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Note: This page contains sample records for the topic "rank mining method" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


1

Mining User Dwell Time for Personalized Web Search Re-Ranking  

SciTech Connect

We propose a personalized re-ranking algorithm through mining user dwell times derived from a user's previously online reading or browsing activities. We acquire document level user dwell times via a customized web browser, from which we then infer conceptword level user dwell times in order to understand a user's personal interest. According to the estimated concept word level user dwell times, our algorithm can estimate a user's potential dwell time over a new document, based on which personalized webpage re-ranking can be carried out. We compare the rankings produced by our algorithm with rankings generated by popular commercial search engines and a recently proposed personalized ranking algorithm. The results clearly show the superiority of our method. In this paper, we propose a new personalized webpage ranking algorithmthrough mining dwell times of a user. We introduce a quantitative model to derive concept word level user dwell times from the observed document level user dwell times. Once we have inferred a user's interest over the set of concept words the user has encountered in previous readings, we can then predict the user's potential dwell time over a new document. Such predicted user dwell time allows us to carry out personalized webpage re-ranking. To explore the effectiveness of our algorithm, we measured the performance of our algorithm under two conditions - one with a relatively limited amount of user dwell time data and the other with a doubled amount. Both evaluation cases put our algorithm for generating personalized webpage rankings to satisfy a user's personal preference ahead of those by Google, Yahoo!, and Bing, as well as a recent personalized webpage ranking algorithm.

Xu, Songhua [ORNL; Jiang, Hao [University of Hong Kong, The; Lau, Francis [University of Hong Kong, The

2011-01-01T23:59:59.000Z

2

Retrieving and Ranking Unannotated Images through Collaboratively Mining Online Search Results  

Science Conference Proceedings (OSTI)

We present a new image search and ranking algorithm for retrieving unannotated images by collaboratively mining online search results, which consist of online image and text search results. The online image search results are leveraged as reference examples to perform content-based image search over unannotated images. The online text search results are utilized to estimate individual reference images relevance to the search query as not all the online image search results are closely related to the query. Overall, the key contribution of our method lies in its capability to deal with unreliable online image search results through jointly mining visual and textual aspects of online search results. Through such collaborative mining, our algorithm infers the relevance of an online search result image to a text query. Once we estimate a query relevance score for each online image search result, we can selectively use query specific online search result images as reference examples for retrieving and ranking unannotated images. To explore the performance of our algorithm, we tested our algorithm both on the standard public image datasets and several modest sized personal photo collections. We also compared the performance of our method with that of two peer methods. The results are very positive, indicating that our algorithm is superior to existing content-based image search algorithms for retrieving and ranking unannotated images. Overall, the main advantage of our algorithm comes from its collaborative mining over online search results both in the visual and textual domains.

Xu, Songhua [ORNL; Jiang, Hao [University of Hong Kong, The; Lau, Francis [University of Hong Kong, The

2011-01-01T23:59:59.000Z

3

Hydraulic mining method  

DOE Patents (OSTI)

A hydraulic mining method includes drilling a vertical borehole into a pitched mineral vein and a slant borehole along the footwall of the vein to intersect the vertical borehole. Material is removed from the mineral vein by a fluid jet stream and the resulting slurry flows down the footwall borehole into the vertical borehole from where it is pumped upwardly therethrough to the surface.

Huffman, L.H.; Knoke, G.S.

1984-06-15T23:59:59.000Z

4

An improved ranking method for fuzzy numbers with integral values  

Science Conference Proceedings (OSTI)

Ranking fuzzy numbers is a very important decision-making procedure in decision analysis and applications. The last few decades have seen a large number of approaches investigated for ranking fuzzy numbers, yet some of these approaches are non-intuitive ... Keywords: Index of optimism, Integral value, Ranking fuzzy numbers

Vincent F. Yu, Luu Quoc Dat

2014-01-01T23:59:59.000Z

5

Stabilized thermally beneficiated low rank coal and method of ...  

A process for reducing the spontaneous combustion tendencies of thermally beneficiated low rank coals employing heat, air or an oxygen containing gas ...

6

Method of locating underground mines fires  

DOE Patents (OSTI)

An improved method of locating an underground mine fire by comparing the pattern of measured combustion product arrival times at detector locations with a real time computer-generated array of simulated patterns. A number of electronic fire detection devices are linked thru telemetry to a control station on the surface. The mine's ventilation is modeled on a digital computer using network analysis software. The time reguired to locate a fire consists of the time required to model the mines' ventilation, generate the arrival time array, scan the array, and to match measured arrival time patterns to the simulated patterns.

Laage, Linneas (Eagam, MN); Pomroy, William (St. Paul, MN)

1992-01-01T23:59:59.000Z

7

Method of underground mining by pillar extraction  

SciTech Connect

A method of sublevel caving and pillar and top coal extraction for mining thick coal seams includes the advance mining of rooms and crosscuts along the bottom of a seam to a height of about eight feet, and the retreat mining of the top coal from the rooms, crosscuts and portions of the pillars remaining from formation of the rooms and cross-cuts. In the retreat mining, a pocket is formed in a pillar, the top coal above the pocket is drilled, charged and shot, and then the fallen coal is loaded by a continuous miner so that the operator remains under a roof which has not been shot. The top coal from that portion of the room adjacent the pocket is then mined, and another pocket is formed in the pillar. The top coal above the second pocket is mined followed by the mining of the top coal of that portion of the room adjacent the second pocket, all by use of a continuous miner which allows the operator to remain under a roof portion which has not been shot.

Bowen, Ray J. (1879 Delann, Salt Lake City, UT 84121); Bowen, William R. (1636 Sunnydale La., Salt Lake City, UT 84108)

1980-08-12T23:59:59.000Z

8

The GUHA method and its meaning for data mining  

Science Conference Proceedings (OSTI)

The paper presents the history and present state of the GUHA method, its theoretical foundations and its relation and meaning for data mining. Keywords: Data mining, Fuzzy hypotheses, GUHA method, LISp-Miner

Petr Hájek; Martin Hole?a; Jan Rauch

2010-02-01T23:59:59.000Z

9

A Method for Detecting Miners in Underground Coal Mine Videos  

Science Conference Proceedings (OSTI)

Detecting miners in underground coal mine videos is significant for the production safety. But, the miners are very similar to the background in underground coal mine videos, it is difficult to detect. In this paper, we proposed a method to detect miners ... Keywords: moving detection, miner detection, underground coal mine video

Limei Cai; Jiansheng Qian

2009-12-01T23:59:59.000Z

10

Wise mining method through ant colony optimization  

Science Conference Proceedings (OSTI)

This paper proposes an algorithm for data mining named Pheromone-Miner (ant-colony-based data miner). The algorithm is inspired by both researches on the behavior of real ant colonies and data mining concepts as well as principles. The goal of Pheromone-Miner ... Keywords: ant colony optimization algorithm, data mining, knowledge discovery, pheromone

Yang Jianxiong; Junzo Watada

2009-10-01T23:59:59.000Z

11

Table 16. Recoverable Coal Reserves and Average Recovery Percentage at Producing Underground Coal Mines by State and Mining Method,  

U.S. Energy Information Administration (EIA) Indexed Site

Recoverable Coal Reserves and Average Recovery Percentage at Producing Underground Coal Mines by State and Mining Method, Recoverable Coal Reserves and Average Recovery Percentage at Producing Underground Coal Mines by State and Mining Method, 2012 (million short tons) U.S. Energy Information Administration | Annual Coal Report 2012 Table 16. Recoverable Coal Reserves and Average Recovery Percentage at Producing Underground Coal Mines by State and Mining Method, 2012 (million short tons) U.S. Energy Information Administration | Annual Coal Report 2012 Continuous 1 Conventional and Other 2 Longwall 3 Total Coal-Producing State Recoverable Coal Reserves at Producing Mines Average Recovery Percentage Recoverable Coal Reserves at Producing Mines Average Recovery Percentage Recoverable Coal Reserves at Producing Mines Average Recovery Percentage Recoverable Coal Reserves at Producing Mines Average Recovery Percentage

12

Project Ranking Method for Nuclear Power Plants: Prioritizing Proposed Capital and O&M Projects  

Science Conference Proceedings (OSTI)

As the electric power industry becomes more competitive, it becomes ever more important to invest limited budgets only in projects that increase or protect a plant's value and profitability over its remaining operating term. This report describes a robust method that plants can customize to evaluate, rank, and select their operating and maintenance (O&M) and capital projects.

2003-05-12T23:59:59.000Z

13

On the performance of a new symmetric rank-one method with restart for solving unconstrained optimization problems  

Science Conference Proceedings (OSTI)

Quasi-Newton (QN) methods are generally held to be the most efficient minimization methods for solving unconstrained optimization problems. Among the QN methods, symmetric rank-one (SR1) is one of the very competitive formulas. In the present paper, ... Keywords: Hessian approximation, Symmetric rank-one update, Unconstrained optimization

Farzin Modarres Khiyabani; Wah June Leong

2012-09-01T23:59:59.000Z

14

Table 15. Recoverable Coal Reserves at Producing Mines, Estimated Recoverable Reserves, and Demonstrated Reserve by Mining Method,  

U.S. Energy Information Administration (EIA) Indexed Site

Recoverable Coal Reserves at Producing Mines, Estimated Recoverable Reserves, and Demonstrated Reserve by Mining Method, Recoverable Coal Reserves at Producing Mines, Estimated Recoverable Reserves, and Demonstrated Reserve by Mining Method, 2012 (million short tons) U.S. Energy Information Administration | Annual Coal Report 2012 Table 15. Recoverable Coal Reserves at Producing Mines, Estimated Recoverable Reserves, and Demonstrated Reserve by Mining Method, 2012 (million short tons) U.S. Energy Information Administration | Annual Coal Report 2012 Underground - Minable Coal Surface - Minable Coal Total Coal-Resource State Recoverable Reserves at Producing Mines Estimated Recoverable Reserves Demonstrated Reserve Base Recoverable Reserves at Producing Mines Estimated Recoverable Reserves Demonstrated Reserve Base Recoverable Reserves at Producing Mines Estimated Recoverable Reserves Demonstrated Reserve Base

15

Remote Cloud Ceiling Assessment Using Data-Mining Methods  

Science Conference Proceedings (OSTI)

Data-mining methods are applied to numerical weather prediction (NWP) output and satellite data to develop automated algorithms for the diagnosis of cloud ceiling height in regions where no local observations are available at analysis time. A ...

Richard L. Bankert; Michael Hadjimichael; Arunas P. Kuciauskas; William T. Thompson; Kim Richardson

2004-12-01T23:59:59.000Z

16

Assessment of effective parameters on dilution using approximate reasoning methods in longwall mining method, Iran coal mines  

E-Print Network (OSTI)

Approximately more than 90% of all coal production in Iranian underground mines is derived directly longwall mining method. Out of seam dilution is one of the essential problems in these mines. Therefore the dilution can impose the additional cost of mining and milling. As a result, recognition of the effective parameters on the dilution has a remarkable role in industry. In this way, this paper has analyzed the influence of 13 parameters (attributed variables) versus the decision attribute (dilution value), so that using two approximate reasoning methods, namely Rough Set Theory (RST) and Self Organizing Neuro- Fuzzy Inference System (SONFIS) the best rules on our collected data sets has been extracted. The other benefit of later methods is to predict new unknown cases. So, the reduced sets (reducts) by RST have been obtained. Therefore the emerged results by utilizing mentioned methods shows that the high sensitive variables are thickness of layer, length of stope, rate of advance, number of miners, type of...

Owladeghaffari, H; Saeedi, G H R

2008-01-01T23:59:59.000Z

17

Multistage Gene Normalization and SVM-Based Ranking for Protein Interactor Extraction in Full-Text Articles  

Science Conference Proceedings (OSTI)

The interactor normalization task (INT) is to identify genes that play the interactor role in protein-protein interactions (PPIs), to map these genes to unique IDs, and to rank them according to their normalized confidence. INT has two subtasks: gene ... Keywords: Data mining, feature evaluation and selection, mining methods and algorithms, text mining, scientific databases.

Hong-Jie Dai; Po-Ting Lai; Richard Tzong-Han Tsai

2010-07-01T23:59:59.000Z

18

Explosive fluid transmitted shock method for mining deeply buried coal  

DOE Patents (OSTI)

A method for recovering coal from deeply buried deposits comprising drilling a hole down into a coal seam, filling the hole with water, and periodically detonating an explosive charge at the bottom of the water-filled hole. The water transmits the explosive shock wave to the face of the coal seam, thereby fracturing and dislodging the coal. The resulting suspension of loose coal in water is then pumped to the surface where the coal is recovered and the water is recycled to the mining operation.

Archibald, Paul B. (Pleasanton, CA)

1976-06-22T23:59:59.000Z

19

Comparative analysis of data mining methods for bankruptcy prediction  

Science Conference Proceedings (OSTI)

A great deal of research has been devoted to prediction of bankruptcy, to include application of data mining. Neural networks, support vector machines, and other algorithms often fit data well, but because of lack of comprehensibility, they are considered ... Keywords: Bankruptcy prediction, Data mining, Decision trees, Neural networks, Support vector machines, Transparency, Transportability

David L. Olson; Dursun Delen; Yanyan Meng

2012-01-01T23:59:59.000Z

20

Data mining methods for anomaly detection KDD-2005 workshop report  

Science Conference Proceedings (OSTI)

For many applications, data mining systems are required to detect anomalous (abnormal, unmodeled, or unexpected) observations. This has so far proven to be a difficult challenge because anomalies are usually considered to be "non-normal" observations, ... Keywords: anomalies, data mining, detection of anomalies in data, machine learning

Dragos Margineantu; Stephen Bay; Philip Chan; Terran Lane

2005-12-01T23:59:59.000Z

Note: This page contains sample records for the topic "rank mining method" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


21

Applying a data mining method for intrusion detection  

Science Conference Proceedings (OSTI)

Widespread use of networked computers has made computer security a serious issue. Every networked computer, to varying degrees, is vulnerable to malicious computer attacks that can result in a range of security violations, such as, unauthorized user ... Keywords: classification tree, data mining, misuse detection

Vera Marinova-Boncheva

2007-06-01T23:59:59.000Z

22

Longwall mining  

SciTech Connect

As part of EIA`s program to provide information on coal, this report, Longwall-Mining, describes longwall mining and compares it with other underground mining methods. Using data from EIA and private sector surveys, the report describes major changes in the geologic, technological, and operating characteristics of longwall mining over the past decade. Most important, the report shows how these changes led to dramatic improvements in longwall mining productivity. For readers interested in the history of longwall mining and greater detail on recent developments affecting longwall mining, the report includes a bibliography.

NONE

1995-03-14T23:59:59.000Z

23

Nature-oriented open coal mining technologies using mined-out space in an open-pit. Part II: A method for selecting rational sequence of mining flat dipping stratified deposits  

Science Conference Proceedings (OSTI)

A method is proposed for selecting a rational mining sequence with internal dumping for flat stratified deposits, using new principles of the open-pit process-space formation and development. The main criteria for substantiating the mining sequence are geometrical form and development direction of the open-pit space, structure of the working wall and transportation network, internal dumping capacities and mining earthworks volumes.

Molotilov, S.G.; Norri, V.K.; Cheskidov, V.I.; Mattis, A.R. [Russian Academy of Sciences, Novosibirsk (Russian Federation). Inst. of Mining

2007-01-15T23:59:59.000Z

24

Variable selection and ranking for analyzing automobile traffic accident data  

Science Conference Proceedings (OSTI)

Variable ranking and feature selection are important concepts in data mining and machine learning. This paper introduces a new variable ranking technique named Sum Max Gain Ratio (SMGR). The new technique is evaluated within the domain of traffic accident ... Keywords: decision tree, traffic accident data, variable and feature selection, variable ranking

Huanjing Wang; Allen Parrish; Randy K. Smith; Susan Vrbsky

2005-03-01T23:59:59.000Z

25

Standard test method for ranking resistance of materials to sliding wear using block-on-ring wear test  

E-Print Network (OSTI)

1.1 This test method covers laboratory procedures for determining the resistance of materials to sliding wear. The test utilizes a block-on-ring friction and wear testing machine to rank pairs of materials according to their sliding wear characteristics under various conditions. 1.2 An important attribute of this test is that it is very flexible. Any material that can be fabricated into, or applied to, blocks and rings can be tested. Thus, the potential materials combinations are endless. However, the interlaboratory testing has been limited to metals. In addition, the test can be run with various lubricants, liquids, or gaseous atmospheres, as desired, to simulate service conditions. Rotational speed and load can also be varied to better correspond to service requirements. 1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only. Wear test results are reported as the volume loss in cubic millimetres for both the block and ring. Materials...

American Society for Testing and Materials. Philadelphia

2005-01-01T23:59:59.000Z

26

A hybrid spatial data clustering method for site selection: The data driven approach of GIS mining  

Science Conference Proceedings (OSTI)

This article applies customer service to be the research background. Spatial data mining method is proposed to solve site selection of the service center. Firstly, a new data model for recording all the information of customer management is given, which ... Keywords: GIS, Site selection, Spatial clustering, k-Means algorithm

Bo Fan

2009-03-01T23:59:59.000Z

27

EVALUATION OF A METHOD USING COLLOIDAL GAS APHRONS TO REMEDIATE METALS-CONTAMINATED MINE DRAINAGE WATERS  

SciTech Connect

Experiments were conducted in which three selected metals-contaminated mine drainage water samples were treated by chemical precipitation followed by flotation using colloidal gas aphrons (CGAs) to concentrate the precipitates. Drainage water samples used in the experiments were collected from an abandoned turn-of-the-century copper mine in south-central Wyoming, an inactive gold mine in Colorado's historic Clear Creek mining district, and a relatively modern gold mine near Rapid City, South Dakota. The copper mine drainage sample was nearly neutral (pH 6.5) while the two gold mine samples were quite acidic (pH {approx}2.5). Metals concentrations ranged from a few mg/L for the copper mine drainage to several thousand mg/L for the sample from South Dakota. CGAs are emulsions of micrometer-sized soap bubbles generated in a surfactant solution. In flotation processes the CGA microbubbles provide a huge interfacial surface area and cause minimal turbulence as they rise through the liquid. CGA flotation can provide an inexpensive alternative to dissolved air flotation (DAF). The CGA bubbles are similar in size to the bubbles typical of DAF. However, CGAs are generated at ambient pressure, eliminating the need for compressors and thus reducing energy, capital, and maintenance costs associated with DAF systems. The experiments involved precipitation of dissolved metals as either hydroxides or sulfides followed by flotation. The CGAs were prepared using a number of different surfactants. Chemical precipitation followed by CGA flotation reduced contaminant metals concentrations by more than 90% for the copper mine drainage and the Colorado gold mine drainage. Contaminant metals were concentrated into a filterable sludge, representing less than 10% of the original volume. CGA flotation of the highly contaminated drainage sample from South Dakota was ineffective. All of the various surfactants used in this study generated a large sludge volume and none provided a significant concentration factor with this sample. For the two samples where CGA flotation was effective, the separation was very rapid and the concentrate volume was reduced when compared to gravity separation under similar conditions. Effective separations were achieved with very low chemical dosages and low residence times, suggesting the possibility of economic viability for processes based on this concept. The CGA flotation experiments described in the following report were conducted to provide preliminary data with which to assess the technical feasibility of using the method for remediation of metals-contaminated mine drainage waters. The experiments were conducted using common, low-cost, precipitating reagents and CGA prepared from several surfactants. Results were evaluated in terms of metals concentration reduction, reagent consumption, and concentrate volume. The results of these preliminary experiments indicate that CGA flotation may be a useful tool for the treatment of some types of mine drainage.

R. Williams Grimes

2002-06-01T23:59:59.000Z

28

Solution mining systems and methods for treating hydrocarbon containing formations  

Science Conference Proceedings (OSTI)

A method for treating an oil shale formation comprising nahcolite is disclosed. The method includes providing a first fluid to a portion of the formation through at least two injection wells. A second fluid is produced from the portion through at least one injection well until at least two injection wells are interconnected such that fluid can flow between the two injection wells. The second fluid includes at least some nahcolite dissolved in the first fluid. The first fluid is injected through one of the interconnected injection wells. The second fluid is produced from at least one of the interconnected injection wells. Heat is provided from one or more heaters to the formation to heat the formation. Hydrocarbon fluids are produced from the formation.

Vinegar, Harold J. (Bellaire, TX); de Rouffignac, Eric Pierre (Rijswijk, NL); Schoeling, Lanny Gene (Katy, TX)

2009-07-14T23:59:59.000Z

29

Application of Three Methods for Determining Mercury Speciation in Mine Waste  

Science Conference Proceedings (OSTI)

Three methods, pyrolytic and chemical extractions (PCE), extended X-ray adsorption fine structure spectroscopy (EXAFS) and solid-phase-Hg-thermo-desorption (SPTD) were applied to determine mercury speciation in amended substrates and mine waste samples. Although these three methods determine Hg speciation by fundamentally different processes, comparison of the results are useful for validation of the three methods. PCE uses pyrolysis and weak leaches to determine relative percentages of volatile, ''soluble'' and residual Hg in substrate. The results are operationally defined and specific species cannot be determined with this method. EXAFS is a nondestructive method which uses high energy synchrotron-sourced X-ray radiation to identify specific species based on scattering patterns. Least squares data analysis is done to link patterns to a database of model compounds. This method is most useful for identification of specific species, given that they are included in the model database. Identification of Hg{sup 0} is difficult using EXAFS. SPTD identifies Hg species by incremental heating and comparison of thermal release patterns to a database of compounds. SPTD allows the identification of a more limited number of specific species than EXAFS, but is the best of the three methods for the identification of Hg{sup 0}. Overlapping release patterns make the identification of species, such as HgS and some forms of matrix-bound Hg, difficult. Results of PCE analyses indicate that volatile and leachable forms of Hg in mine waste are low relative to the total Hg concentration. This was supported by EXAFS and SPTD analysis which identified HgS as the primary component of mine waste. In contrast, analysis of tailings from mills that utilized Hg to amalgamate Au and Ag from ores yielded conflicting results. The results of this study illustrate the importance of using multiple analytical methods for the evaluation of Hg in the substrate.

Sladek, Chris; Sexauer Gustin, Mae; /Nevada U., Reno; Kim, Christopher S.; Biester, H.; /Stanford U., Geo. Environ. Sci.

2005-08-23T23:59:59.000Z

30

Web Page Rank Prediction with Markov Models Michalis Vazirgiannis  

E-Print Network (OSTI)

Web Page Rank Prediction with Markov Models Michalis Vazirgiannis INRIA Futurs Orsay, France a method for predicting the rank- ing position of a Web page. Assuming a set of successive past top-k rankings, we study the evolution of Web pages in terms of ranking trend sequences used for Markov Models

Paris-Sud XI, Université de

31

Combining prestige and relevance ranking for personalized recommendation  

Science Conference Proceedings (OSTI)

In this paper, we present an adaptive graph-based personalized recommendation method based on combining prestige and relevance ranking. By utilizing the unique network structure of n-partite heterogeneous graph, we attempt to address the problem of personalized ... Keywords: graph-based ranking, heterogeneous data, personalized recommendation, prestige ranking, query-based relevance ranking

Xiao Yang, Zhaoxin Zhang

2013-10-01T23:59:59.000Z

32

Low Rank Coal Optimization  

NLE Websites -- All DOE Office Websites (Extended Search)

Low Rank Coal Optimization Low Rank Coal Optimization NETL Office of Research and Development Project Number: FWP-2012.03.03 Task 4 Project Description NETL's in-house research team is using an integrated approach to combine theory, computational modeling, experiment, and industrial input to develop physics-based methods, models, and tools to support the development and deployment of advanced gasification based devices and systems. The activities in this effort include developing and applying computational and modeling tools to simulate complex flows in applications such as transport or entrained flow gasifiers. TRIG Model Development - The primary objective of this work is to develop a hierarchy of models for numerical simulations of TRIG co-feed conditions that span fast running reduced order models (ROM's) to high fidelity multiphase computational fluid dynamics (CFD) models. Each model will have uncertainty quantification associated with its predictions to allow a user to choose a model based on the trade-offs between computational speed and uncertainty in the predictions.

33

Learning to rank for spatiotemporal search  

Science Conference Proceedings (OSTI)

In this article we consider the problem of mapping a noisy estimate of a user's current location to a semantically meaningful point of interest, such as a home, restaurant, or store. Despite the poor accuracy of GPS on current mobile devices and the ... Keywords: data mining, geocoding, foursquare, human mobility, information retrieval, learn to rank, spatiotemporal models, location data, machine learning, mobile devices, spatial search

Blake Shaw; Jon Shea; Siddhartha Sinha; Andrew Hogue

2013-02-01T23:59:59.000Z

34

Review and analysis of oil shale technologies. Volume I. Oil shale deposits, mining methods, and environmental concerns  

SciTech Connect

This volume describes and discusses oil shale deposits of the U.S., applicable methods for mining the shale, and the environmental concerns associated with oil shale technologies. Mining is required to supply shale to the retorts of aboveground processes. The majority of oil shale mining is expected to be by the underground room-and-pillar method. Surface mining (i.e., open pit mining) may also be used to supply material for surface retorts and may be appropriate for up to 15 to 20% of the oil shale resources. Principal environmental issues unique to true and modified in situ oil shale processing include disposal of retort water and drill cuttings, migration of fluids during and after in situ processing, surface thermal changes, and hazardous materials that may be leached from spent shale. Other site-specific problems of in situ processing include off-gas emissions, fugitive dust generation, land disturbance, and water usage. The environmental issues are similar for oil shale surface processes, except for surface thermal changes. The degree of impact, however, is expected greater than that for either the true or the modified in situ process.

Jee, C.K.; White, J.D.; Bhatia, S.K.; Nicholson, D.

1977-08-01T23:59:59.000Z

35

Reduced-rank adaptive filtering using Krylov subspace  

Science Conference Proceedings (OSTI)

A unified view of several recently introduced reduced-rank adaptive filters is presented. As all considered methods use Krylov subspace for rank reduction, the approach taken in this work is inspired from Krylov subspace methods for iterative solutions ... Keywords: Krylov subspace methods, adaptive filters, array processing, multiuser detection, reduced-rank adaptive filters

Sergueï Burykh; Karim Abed-Meraim

2002-01-01T23:59:59.000Z

36

Inside PageRank  

Science Conference Proceedings (OSTI)

Although the interest of a Web page is strictly related to its content and to the subjective readers' cultural background, a measure of the page authority can be provided that only depends on the topological structure of the Web. PageRank is a noticeable ... Keywords: Information retrieval, Markov chains, PageRank, Web page scoring, search engines, searching the Web

Monica Bianchini; Marco Gori; Franco Scarselli

2005-02-01T23:59:59.000Z

37

Ranking distributed probabilistic data  

Science Conference Proceedings (OSTI)

Ranking queries are essential tools to process large amounts of probabilistic data that encode exponentially many possible deterministic instances. In many applications where uncertainty and fuzzy information arise, data are collected from multiple sources ... Keywords: distributed query processing, probabilistic data, ranking queries, top-k, uncertain databases

Feifei Li; Ke Yi; Jeffrey Jestes

2009-06-01T23:59:59.000Z

38

An empirical assessment of ranking accuracy in ranked set sampling  

Science Conference Proceedings (OSTI)

Ranked set sampling (RSS) involves ranking of potential sampling units on the variable of interest using judgment or an auxiliary variable to aid in sample selection. Its effectiveness depends on the success in this ranking. We provide an empirical assessment ... Keywords: Concomitant ranking, Logistic regression, Simple random sampling, Simulation study

Haiying Chen; Elizabeth A. Stasny; Douglas A. Wolfe

2006-11-01T23:59:59.000Z

39

A linear combination of classifiers via rank margin maximization  

Science Conference Proceedings (OSTI)

The method we present aims at building a weighted linear combination of already trained dichotomizers, where the weights are determined to maximize the minimum rank margin of the resulting ranking system. This is particularly suited for real applications ... Keywords: combination of classifiers, margin, ranking

Claudio Marrocco; Paolo Simeone; Francesco Tortorella

2010-08-01T23:59:59.000Z

40

Simulating option prices and sensitivities by higher rank lattice rules  

Science Conference Proceedings (OSTI)

In this paper we introduce the intermediate rank or higher rank lattice rule for the general case when the number of quadrature points is ntm, where m is a composite integer, t is the rank of the rule, n is an integer ... Keywords: Monte Carlo and Quasi-Monte Carlo methods, lattice rules, option pricing, simulation of multivariate integrations

Yongzeng Lai

2006-05-01T23:59:59.000Z

Note: This page contains sample records for the topic "rank mining method" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


41

An extreme-distance approach to multiple criteria ranking  

Science Conference Proceedings (OSTI)

A distance approach based on extreme points, or predefined ideal and anti-ideal points, is proposed to improve on the TOPSIS (Technique for Order Performance [or Ordered Preference] by Similarity to Ideal Solution) method of multiple criteria ranking. ... Keywords: Comparative study, Distance-based ranking, Multiple criteria decision analysis, Multiple criteria ranking, TOPSIS

Ye Chen; D. Marc Kilgour; Keith W. Hipel

2011-03-01T23:59:59.000Z

42

Method of producing a methane rich gas mixture from mine gas  

SciTech Connect

A pressure-swing adsorption system is used to enrich the methane content of mine gas obtained from bores around mine shafts or galleries from the customary 25 to 45% by volume to a product gas quality of 50% by volume. Using a carbon molecular sieve adsorbent, the adsorption is carried out at 5 to 8 bar and is followed by a uniflow expansion to an intermediate pressure and a counterflow expansion to a flushing pressure of 1.1 to 2 bar. Counterflow flushing is carried out with waste gas and the product gas is a mixture of the gases obtained by counterflow expansion and flushing.

Richter, E.; Giessler, K.; Knoblauch, K.; Korbacher, W.

1985-06-04T23:59:59.000Z

43

Optimizing ranked retrieval  

Science Conference Proceedings (OSTI)

Ranked retrieval plays an important role in explorative querying, where the user is interested in the top k results of complex ad-hoc queries. In such a scenario, response times are very important, but at the same time, tuning techniques, such ...

Thomas Neumann

2007-09-01T23:59:59.000Z

44

THE IMPACT OF A URANIUM MINING SITE ON THE STREAM SEDIMENTS (CRUCEA MINE, ROMANIA)  

E-Print Network (OSTI)

THE IMPACT OF A URANIUM MINING SITE ON THE STREAM SEDIMENTS (CRUCEA MINE, ROMANIA) Petrescu L. 1 methods were used to evaluate the impact of uranium mine dumps on the stream sedi- ments from Crucea uranium mine show that the impact of Crucea mine on water quality downstream of mining area

Paris-Sud XI, Université de

45

Let your users do the ranking.  

Science Conference Proceedings (OSTI)

Ranking search results is a thorny issue for enterprise search. Search engines rank results using a variety of sophisticated algorithms, but users still complain that search can't ever seem to find anything useful or relevant! The challenge is to provide results that are ranked according to the users' definition of relevancy. Sandia National Laboratories has enhanced its commercial search engine to discover user preferences, re-ranking results accordingly. Immediate positive impact was achieved by modeling historical data consisting of user queries and subsequent result clicks. New data is incorporated into the model daily. An important benefit is that results improve naturally and automatically over time as a function of user actions. This session presents the method employed, how it was integrated with the search engine,metrics illustrating the subsequent improvement to the users' search experience, and plans for implementation with Sandia's FAST for SharePoint 2010 search engine.

Spomer, Judith E.

2010-12-01T23:59:59.000Z

46

United States - Rankings - U.S. Energy Information Administration (EIA)  

U.S. Energy Information Administration (EIA) Indexed Site

Rankings Rankings Additional State Rankings Consumption Total Energy per Capita Prices Natural Gas Electricity Environment Carbon Dioxide Emissions Expenditures Total Energy per Capita Production Total Energy Crude Oil Natural Gas Coal Electricity More State Ranking Tables › Notes & Sources Consumption Total Energy per Capita: EIA, State Energy Data System, Total Consumption Per Capita Expenditures Total Energy per Capita: EIA, State Energy Data System, Total Expenditures Per Capita Production Total Energy: EIA, State Energy Data System, Total Energy Production Crude Oil: EIA, Petroleum Supply Annual, Crude Oil Production Natural Gas: EIA, Natural Gas Annual, Natural Gas Gross Withdrawals and Production Coal: EIA, Annual Coal Report, Coal Production and Number of Mines by State

47

Table 6. Coal production and number of mines by State and coal...  

U.S. Energy Information Administration (EIA) Indexed Site

Coal production and number of mines by State and coal rank, 2011" "(thousand short tons)" ,"Bituminous",,"Subbituminous",,"Lignite",,"Anthracite",,"Total" "Coal-Producing State and...

48

Low-rank coal research  

DOE Green Energy (OSTI)

This work is a compilation of reports on ongoing research at the University of North Dakota. Topics include: Control Technology and Coal Preparation Research (SO{sub x}/NO{sub x} control, waste management), Advanced Research and Technology Development (turbine combustion phenomena, combustion inorganic transformation, coal/char reactivity, liquefaction reactivity of low-rank coals, gasification ash and slag characterization, fine particulate emissions), Combustion Research (fluidized bed combustion, beneficiation of low-rank coals, combustion characterization of low-rank coal fuels, diesel utilization of low-rank coals), Liquefaction Research (low-rank coal direct liquefaction), and Gasification Research (hydrogen production from low-rank coals, advanced wastewater treatment, mild gasification, color and residual COD removal from Synfuel wastewaters, Great Plains Gasification Plant, gasifier optimization).

Not Available

1989-01-01T23:59:59.000Z

49

Platts top 250 global energy company rankings  

SciTech Connect

Revenues and profits for many firms surged last year over previous years. The turnaround from last year's global survey is dramatic. Asset- and revenue-rich integrated oil and gas companies dominate the top rungs of the 2005 Platts Top 250 Global Energy Company Rankings. The following industry segments were analyzed: diversified utilities; exploration and production; electric utilities; gas utilities; integrated oil and gas companies; refining and marketing; independent power producers; coal and consumable fuel companies and storage and transfer companies; The total combined revenue for the coal and consumable fuels sector was $74.7 billion. Leaders in this sector were: Yanzhou Coal Mining Co., CONSOl Energy Inc., Peabody Energy Corp., PT Bumi Resources Tbk, Cameco Corp., and Arch Coal. 14 tabs.

Mullen, T.; Leonard, M.

2005-12-01T23:59:59.000Z

50

Chemical comminution and deashing of low-rank coals  

DOE Patents (OSTI)

A method of chemically comminuting a low-rank coal while at the same time increasing the heating value of the coal. A strong alkali solution is added to a low-rank coal to solubilize the carbonaceous portion of the coal, leaving behind the noncarbonaceous mineral matter portion. The solubilized coal is precipitated from solution by a multivalent cation, preferably calcium.

Quigley, David R. (Idaho Falls, ID)

1992-01-01T23:59:59.000Z

51

Improving Ranking Using Quantum Probability  

E-Print Network (OSTI)

The paper shows that ranking information units by quantum probability differs from ranking them by classical probability provided the same data used for parameter estimation. As probability of detection (also known as recall or power) and probability of false alarm (also known as fallout or size) measure the quality of ranking, we point out and show that ranking by quantum probability yields higher probability of detection than ranking by classical probability provided a given probability of false alarm and the same parameter estimation data. As quantum probability provided more effective detectors than classical probability within other domains that data management, we conjecture that, the system that can implement subspace-based detectors shall be more effective than a system which implements a set-based detectors, the effectiveness being calculated as expected recall estimated over the probability of detection and expected fallout estimated over the probability of false alarm.

Melucci, Massimo

2011-01-01T23:59:59.000Z

52

Application of discrete element method to the analysis of free-flow outlet of coal from high coals at underground coal mining  

Science Conference Proceedings (OSTI)

The mathematical model is developed on the basis of the Discrete Elements Method for investigation of processes of gravitational flow of the granular materials. The problem about free-flow outlet of coal from high coals in sublevel caving systems is ... Keywords: discrete element modeling, granular medium, numerical simulation, powered support, rock massif, underground coal mining

Vladimir I. Klishin; Sergey V. Klishin

2010-05-01T23:59:59.000Z

53

Method to enhance the concentration of valuable minerals in froth flotation process used in mining  

Disclosed in this patent is a method of particle separation from a feed stream comprised of particles of varying hydrophobicity by injecting the feed ...

54

Mining (Montana)  

Energy.gov (U.S. Department of Energy (DOE))

This section provides general rules and regulations pertaining to mining practices in the state of Montana. It addresses mining locations and claims, procedures for rights-of-way and eminent domain...

55

Development Mining  

E-Print Network (OSTI)

This report, twenty-eighth of an annual series, describes mineral, oil and gas, and geothermal activities and accomplishments in Nevada in 2006: production statistics, exploration and development including drilling for petroleum and geothermal resources, discoveries of orebodies, new mines opened, and expansion and other activities of existing mines. Statistics of known gold and silver deposits, and directories of mines

Mark Alden; Stavros Anthony; Cedric Crear; Thalia M. Dondero; Dorothy Sewell Gallagher; Jason Geddes; Ron Knecht; James D. Leavitt; Howard Rosenberg; Jack L. Schofield; Steve Sisolak; James E. Rogers; Milton D. Glick; Jeffrey Thompson; Interim Dean; James V. Taranik

2006-01-01T23:59:59.000Z

56

Robust Rankings for College Football  

E-Print Network (OSTI)

Oct 11, 2011 ... At the end of the regular season, multiple human-poll and computer ... State are so close in the overall BCS rankings (.0063) that this one error.

57

European coal mining technology  

SciTech Connect

Most new developments in mechanized longwall coal technology have been pioneered by European mines and equipment manufacturers. But ironically, the most successful adaptations of European-inspired longwalling systems have occurred in North America, Australia, South Africa and elsewhere, enabling those mines to achieve even greater productivity and cost-effective utilization than the Europeans enjoy. This anomaly has little to do with mining talents, but arises instead from a pair of factors: 1) the extremely difficult mining and geological conditions of European coal basins; and 2) the profound differences between the management style and operating routines of the largely state-owned mines of Europe and the privately-owned, profit oriented mining companies abroad. Nevertheless, Europe continues to lead the way in new developments, driven by the chemistry of tough mining conditions and the commitments of its national mining industries to invest in new technology. As a third ingredient, the supra-national European Economic Community (EEC) plays an important role in promoting and funding new developments through its various agencies. A recent EEC information symposium on new methods of coal winning at Luxembourg focused on state-of-the-art longwall technology. Thus a look at current Euopean RandD programs yields pointers as to what the international coal industry may expect in the future.

Wyllie, B.

1986-06-01T23:59:59.000Z

58

Method of locating related items in a geometric space for data mining  

DOE Patents (OSTI)

A method for locating related items in a geometric space transforms relationships among items to geometric locations. The method locates items in the geometric space so that the distance between items corresponds to the degree of relatedness. The method facilitates communication of the structure of the relationships among the items. The method is especially beneficial for communicating databases with many items, and with non-regular relationship patterns. Examples of such databases include databases containing items such as scientific papers or patents, related by citations or keywords. A computer system adapted for practice of the present invention can include a processor, a storage subsystem, a display device, and computer software to direct the location and display of the entities. The method comprises assigning numeric values as a measure of similarity between each pairing of items. A matrix is constructed, based on the numeric values. The eigenvectors and eigenvalues of the matrix are determined. Each item is located in the geometric space at coordinates determined from the eigenvectors and eigenvalues. Proper construction of the matrix and proper determination of coordinates from eigenvectors can ensure that distance between items in the geometric space is representative of the numeric value measure of the items' similarity. 12 figs.

Hendrickson, B.A.

1999-07-27T23:59:59.000Z

59

Bayesian Inference of Natural Rankings in Incomplete Competition Networks  

E-Print Network (OSTI)

Competition between a complex system's constituents and a corresponding reward mechanism based on it have profound influence on the functioning, stability, and evolution of the system. But determining the dominance hierarchy or ranking among the constituent parts from the strongest to the weakest -- essential in determining reward or penalty -- is almost always an ambiguous task due to the incomplete nature of competition networks. Here we introduce ``Natural Ranking," a desirably unambiguous ranking method applicable to a complete (full) competition network, and formulate an analytical model based on the Bayesian formula inferring the expected mean and error of the natural ranking of nodes from an incomplete network. We investigate its potential and uses in solving issues in ranking by applying to a real-world competition network of economic and social importance.

Park, Juyong

2013-01-01T23:59:59.000Z

60

Anaerobic bioprocessing of low-rank coals  

SciTech Connect

The overall goal of this project is to find biological methods to remove carboxylic functionalities from low-rank coals and to assess the properties of the modified coal towards coal liquefaction. The main objectives for this quarter were: (1) continuation of microbial consortia development and maintenance, (2) crude enzyme study using best decarboxylating organisms, (3) decarboxylation of lignite, demineralized Wyodak coal and model polymers, and (4) characterization of biotreated coals.

Jain, M.K.; Narayan, R.; Han, O.

1992-04-15T23:59:59.000Z

Note: This page contains sample records for the topic "rank mining method" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


61

Oil-shale mining, Rifle, Colorado, 1944-1956  

SciTech Connect

The Rifle, Colorado, oil-shale project of the Bureau of Mines included three major divisions: (1) mining, (2) retorting, and (3) refining. The major functions of the mining program were to supply oil shale to the retorts, to devise mining procedures, and to develop an underground-mining method by which oil shale could be produced safely at an unusually low cost per ton. The selected mining procedures and direct mining costs were demonstrated by sustained test runs.

East, J.H. Jr.; Gardner, E.D.

1964-01-01T23:59:59.000Z

62

Oil shale mining and the environment. [Colorado  

SciTech Connect

Experimental mining of oil shale, to date, has been conducted only in the shallow Mahogany Zone and has utilized only the room and pillar mining method. The U.S. Bureau of Mines is planning a demonstration mine in the deep, thick oil-shale deposits in Colorado. This study describes the 4 mining concepts that are planned for demonstration and the interrelationship of these concepts and the environment. The environmental aspects of oil-shale development also are discussed.

Rajaram, V.; Kauppila, T.A.; Bolmer, R.L.

1977-01-01T23:59:59.000Z

63

Reclamation of Land Used for Mineral Mining (Virginia)  

Energy.gov (U.S. Department of Energy (DOE))

This legislation aims to provide for the rehabilitation and conservation of land affected by the mining of minerals through proper planning, proper use of appropriate methods of mining,...

64

Mining methods used in the underground tunnels and test rooms at Stripa  

SciTech Connect

Results of the Swedish-American cooperative research program are reported in which the cooperating scientists explore the geological, geophysical, hydrological, geochemical, and structural effects anticipated from the use of a large crystalline rock mass as a geologic repository for nuclear waste. Two new methods, smooth blasting and slot drilling, were tested and used at Stripa. The smooth blasting technique uses the symmetric pattern of the contour holes and a low charge density in each round, which results in a uniform and minimal damage to the roof and walls of the excavated cavern and limits the number of newly opened fractures. The length of freshly opened fractures in meters is equal to the charge in kilograms per meter. The slot drilling technique uses an array of small-diameter peripheral percussion-drilled holes to drill ultra-large cores 1 meter in diameter and larger. Both techniques described have been successfully tested and their further use in future excavations of large storage caverns is recommended.

Andersson, B.; Halen, P.A.

1978-08-01T23:59:59.000Z

65

A similarity measure for indefinite rankings  

Science Conference Proceedings (OSTI)

Ranked lists are encountered in research and daily life and it is often of interest to compare these lists even when they are incomplete or have only some members in common. An example is document rankings returned for the same query by different search ... Keywords: Rank correlation, probabilistic models, ranking

William Webber; Alistair Moffat; Justin Zobel

2010-11-01T23:59:59.000Z

66

Rank three bipartite entangled states are distillable  

E-Print Network (OSTI)

We prove that the bipartite entangled state of rank three is distillable. So there is no rank three bipartite bound entangled state. By using this fact, We present some families of rank four states that are distillable. We also analyze the relation between the low rank state and the Werner state.

Lin Chen; Yi-Xin Chen

2008-03-07T23:59:59.000Z

67

Precision Mining  

NLE Websites -- All DOE Office Websites (Extended Search)

Precision Mining Precision Mining Double Beta Decay Dark Matter Biology Repository Science Renewable Energy Precision Mining at WIPP is Routine All tunnels that make up the WIPP underground are mined with the same precision that is exhibited in this photo. Typical drift cross sections are about 8m x 4m. Custom excavation and maintenance of openings of any configuration can be made. In 2005, WIPP completed renovations to the 6,000 cubic meter North Experimental Area (NExA). The area, located at the northern end of the mine, was refurbished through rib trimming, floor grading, removal of loose muck, ground support and restoration of basic lighting and mine communications. As of 2010, the NExA is used for the Enriched Xenon Observatory (EXO), the Dark Matter Time Projection Chamber (DMTPC)

68

Chemical comminution and deashing of low-rank coals  

DOE Patents (OSTI)

A method is described of chemically comminuting a low-rank coal while at the same time increasing the heating value of the coal. A strong alkali solution is added to a low-rank coal to solubilize the carbonaceous portion of the coal, leaving behind the noncarbonaceous mineral matter portion. The solubilized coal is precipitated from solution by a multivalent cation, preferably calcium. 4 figs., 3 tabs.

Quigley, D.R.

1989-09-26T23:59:59.000Z

69

Table Search (or Ranking Tables)  

E-Print Network (OSTI)

Table Search (or Ranking Tables) Alon Halevy Google DBRank @ ICDE March 1, 2010 #12;Structured Data organizations Requires infrastructure, concerns about losing control Hard to find structured data via search Search #1 store locations used cars radio stations patents recipes · Deep = not accessible through

Halevy, Alon

70

Factors affecting quality of dried low-rank coals  

SciTech Connect

The chemical and physical properties of coal are strongly affected by the upgrading process employed. For high-moisture coals, upgrading involves thermal dehydration to improve the calorific value of the coal on mass basis. This study evaluates the feasibility of upgrading a low-rank/grade coal using the oven drying method. The objective of this research work is to study the drying characteristics of low-rank coals and to understand the factors affecting the quality of dried low-rank coals. This article describes laboratory experiments conducted on the characterization of the low-rank coals before and after the drying process. The results on drying kinetics, re-absorption of coal samples, and proximate analysis of coal samples before and after drying are discussed. It was found that the upgrading process produced coal with better heating value and combustion characteristics than those of the raw coal samples.

Karthikeyan, M.; Kuma, J.V.M.; Hoe, C.S.; Ngo, D.L.Y. [National University of Singapore, (Singapore)

2007-07-01T23:59:59.000Z

71

Anaerobic bioprocessing of low rank coals  

SciTech Connect

The overall goal of this project is to find biological methods to remove carboxylic functionalities from low rank coals under ambient conditions and to assess the properties of these modified coals towards coal liquefaction. The main objectives for this quarter were: (1) enrichment of anaerobic microbial consortia in a coal fed chemostat, (2) characterization of biocoal products and examination of liquefaction potential, (3) isolation of decarboxylating organisms and evaluation of the isolated organisms for decarboxylation. The project began on September 12, 1990. 3 figs., 7 tabs.

Jain, M.K.; Narayan, R.; Han, O.

1991-01-01T23:59:59.000Z

72

Procedure for determining the distribution ranking index  

SciTech Connect

The Distribution Ranking Index (DRI) has been developed as a simple but effective means to indicate the inherent, acute hazards of a material that might be released in a transportation accident. Utilizing existing Dow resources and procedures, it is one of the methods used for prioritization of chemicals in Dow`s distribution related process risk management effort. Seven individual hazard indexes are considered for a material. The values range from 1 to 4 with 4 representing the most severe hazard. The highest value from any hazard index determines the overall DRI. 3 refs., 1 fig., 8 tabs.

Latino, M.A. [Dow Chemical Co., Freeport, TX (United States)

1996-12-31T23:59:59.000Z

73

Building Technologies Office: Ground Source Heap Pump Data Mining Research  

NLE Websites -- All DOE Office Websites (Extended Search)

Ground Source Heap Pump Ground Source Heap Pump Data Mining Research Project to someone by E-mail Share Building Technologies Office: Ground Source Heap Pump Data Mining Research Project on Facebook Tweet about Building Technologies Office: Ground Source Heap Pump Data Mining Research Project on Twitter Bookmark Building Technologies Office: Ground Source Heap Pump Data Mining Research Project on Google Bookmark Building Technologies Office: Ground Source Heap Pump Data Mining Research Project on Delicious Rank Building Technologies Office: Ground Source Heap Pump Data Mining Research Project on Digg Find More places to share Building Technologies Office: Ground Source Heap Pump Data Mining Research Project on AddThis.com... About Take Action to Save Energy Partner with DOE Activities

74

U.S. States - Rankings - U.S. Energy Information Administration (EIA)  

Gasoline and Diesel Fuel Update (EIA)

Rankings Rankings Additional State Rankings Consumption Total Energy per Capita Prices Natural Gas Electricity Environment Carbon Dioxide Emissions Expenditures Total Energy per Capita Production Total Energy Crude Oil Natural Gas Coal Electricity More State Ranking Tables › Notes & Sources Consumption Total Energy per Capita: EIA, State Energy Data System, Total Consumption Per Capita Expenditures Total Energy per Capita: EIA, State Energy Data System, Total Expenditures Per Capita Production Total Energy: EIA, State Energy Data System, Total Energy Production Crude Oil: EIA, Petroleum Supply Annual, Crude Oil Production Natural Gas: EIA, Natural Gas Annual, Natural Gas Gross Withdrawals and Production Coal: EIA, Annual Coal Report, Coal Production and Number of Mines by State

75

Integrating domain knowledge with statistical and data mining methods for high-density genomic SNP disease association analysis  

Science Conference Proceedings (OSTI)

Genome-wide association studies can help identify multi-gene contributions to disease. As the number of high-density genomic markers tested increases, however, so does the number of loci associated with disease by chance. Performing a brute-force test ... Keywords: Data integration, Data mining, False discovery rate (FDR), Genome-wide association (GWA), Pathway-based disease association, Single nucleotide polymorphisms (SNP)

Valentin Dinu; Hongyu Zhao; Perry L. Miller

2007-12-01T23:59:59.000Z

76

Cross evaluation using weight restrictions in unitary input DEA models: theoretical aspects and application to olympic games ranking  

Science Conference Proceedings (OSTI)

There is no official method to establish a final ranking for the Olympic Games. The usual ranking is based on the Lexicographic Multicriteria Method, the main drawback of which is to overvalue gold medals. Furthermore, it does not take into account the ... Keywords: cross evaluation, data envelopment analysis, ranking, unitary input, weights restrictions

João Carlos Correia Baptista Soares De Mello; Eliane Gonçalves Gomes; Lidia Angulo Meza; Luiz Biondi Neto

2008-01-01T23:59:59.000Z

77

Depth estimation for ranking query optimization  

Science Conference Proceedings (OSTI)

A relational ranking query uses a scoring function to limit the results of a conventional query to a small number of the most relevant answers. The increasing popularity of this query paradigm has led to the introduction of specialized rank join operators ... Keywords: DEEP, Data statistics, Depth estimation, Query optimization, Relational ranking query, Top-k

Karl Schnaitter; Joshua Spiegel; Neoklis Polyzotis

2009-04-01T23:59:59.000Z

78

Mines and Mining (Maryland) | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Mines and Mining (Maryland) Mines and Mining (Maryland) Mines and Mining (Maryland) < Back Eligibility Commercial Construction Fed. Government Industrial Institutional Investor-Owned Utility Local Government Municipal/Public Utility Retail Supplier Rural Electric Cooperative Systems Integrator Tribal Government Utility Program Info State Maryland Program Type Safety and Operational Guidelines Siting and Permitting Provider Maryland Department of the Environment It is the policy of the state to encourage the development of mined resources in Maryland while protecting the environment and public health and safety. This legislation establishes the Bureau of Mines within the Department of the Environment and provides for the establishment of rules and regulations governing mining activity. The legislation addresses the

79

Measuring mine roof bolt strains  

DOE Patents (OSTI)

A mine roof bolt and a method of measuring the strain in mine roof bolts of this type are disclosed. According to the method, a flat portion on the head of the mine roof bolt is first machined. Next, a hole is drilled radially through the bolt at a predetermined distance from the bolt head. After installation of the mine roof bolt and loading, the strain of the mine roof bolt is measured by generating an ultrasonic pulse at the flat portion. The time of travel of the ultrasonic pulse reflected from the hole is measured. This time of travel is a function of the distance from the flat portion to the hole and increases as the bolt is loaded. Consequently, the time measurement is correlated to the strain in the bolt. Compensation for various factors affecting the travel time are also provided.

Steblay, Bernard J. (Lakewood, CO)

1986-01-01T23:59:59.000Z

80

Lame (IsotropicRank4TensorLame)  

Science Conference Proceedings (OSTI)

... OOF2: The Manual. Lame (IsotropicRank4TensorLame). ... Lame ( IsotropicRank4TensorLame) — Isotropic rank 4 tensor in terms of Lame ...

2013-07-05T23:59:59.000Z

Note: This page contains sample records for the topic "rank mining method" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


81

Probability Ranking in Vector Spaces  

E-Print Network (OSTI)

The Probability Ranking Principle states that the document set with the highest values of probability of relevance optimizes information retrieval effectiveness given the probabilities are estimated as accurately as possible. The key point of the principle is the separation of the document set into two subsets with a given level of fallout and with the highest recall. The paper introduces the separation between two vector subspaces and shows that the separation yields a more effective performance than the optimal separation into subsets with the same available evidence, the performance being measured with recall and fallout. The result is proved mathematically and exemplified experimentally.

Melucci, Massimo

2011-01-01T23:59:59.000Z

82

Transportation costs for new fuel forms produced from low rank US coals  

DOE Green Energy (OSTI)

Transportation costs are examined for four types of new fuel forms (solid, syncrude, methanol, and slurry) produced from low rank coals found in the lower 48 states of the USA. Nine low rank coal deposits are considered as possible feedstocks for mine mouth processing plants. Transportation modes analyzed include ship/barge, pipelines, rail, and truck. The largest potential market for the new fuel forms is coal-fired utility boilers without emission controls. Lowest cost routes from each of the nine source regions to supply this market are determined. 12 figs.

Newcombe, R.J.; McKelvey, D.G. (TMS, Inc., Germantown, MD (USA)); Ruether, J.A. (USDOE Pittsburgh Energy Technology Center, PA (USA))

1990-09-01T23:59:59.000Z

83

Data Mining Portal  

Science Conference Proceedings (OSTI)

NIST Home > Data Mining Portal. Data Mining Portal. Programs and Projects. Data Science Symposium 2013 ... Data Science ...

2012-12-27T23:59:59.000Z

84

Mining engineering analysis  

SciTech Connect

An attempt is made to fill the gap between theory and application in mining engineering. The book is based on SME Mining Engineering Handbook and the Coal Mining Technology - Theory and Practice. Each chapter deals with the theory and then presents problems of applications and the solutions to them. Topics considered include underground mining, surface mining, geophysics, mining equipment, and rock mechanics.

Bise, C.J.

1986-01-01T23:59:59.000Z

85

Thirteenth biennial lignite symposium: technology and utilization of low-rank coals proceedings. Volume 2  

Science Conference Proceedings (OSTI)

These proceedings are the collected manuscripts from the 1985 Lignite Symposium held at Bismarck, North Dakota on May 21-23, 1985. Sponsorship of the thirteenth biennial meeting was by the United States Department of Energy, the University of North Dakota Energy Research Center, and the Texas University Coal Research Consortium. Seven technical sessions plus two luncheons and a banquet were held during the two and a half day meeting. The final half day included tours of the Great Plains Gasification Plant; Basin Electric's Antelope Valley Power Station; and the Freedom Mine. Sessions covered diverse topics related to the technology and use of low-rank coals including coal development and public policy, combustion, gasification, environmental systems for low-rank coal utilization, liquefaction, beneficiation and coal mining and coal inorganics. All the papers have been entered individually into EDB and ERA.

Jones, M.L. (ed.)

1986-02-01T23:59:59.000Z

86

Anaerobic processing of low-rank coals  

SciTech Connect

The overall goal of this project is to find biological methods to remove carboxylic functionalities from low-rank coals and to assess the properties of the modified coal towards coal liquefaction. The main objectives for this quarter were: (i) continuation of microbial consortia maintenance and completion of coal decarboxylation using batch reactor system, (ii) decarboxylation of model polymer, (iii) characterization of biotreated coals, and (iv) microautoclave liquefaction of the botreated coal. Progress is reported on the thermogravimetric analysis of coal biotreated in the absence of methanogens and under 5% hydrogen gas exhibits increased volatile carbon to fixed carbon ratio; that the microbial consortia developed on coal are being adapted to two different model polymers containing free carboxylic groups to examine decarboxylation ability of consortium; completion of experiments to decarboxylate two model polymers, polyacrylic acid and polymethyl methacrylate, have been completed; that the biotreated coal showed increase in THF-solubles.

Jain, M.K.; Narayan, R.; Han, O.

1992-01-01T23:59:59.000Z

87

CO2 Sequestration Potential of Texas Low-Rank Coals  

NLE Websites -- All DOE Office Websites (Extended Search)

Co Co 2 SequeStration Potential of texaS low-rank CoalS Background Fossil fuel combustion is the primary source of emissions of carbon dioxide (CO 2 ), a major greenhouse gas. Sequestration of CO 2 by injecting it into geologic formations, such as coal seams, may offer a viable method for reducing atmospheric CO 2 emissions. Injection into coal seams has the potential added benefit of enhanced coalbed methane recovery. The potential for CO 2 sequestration in low-rank coals, while as yet undetermined, is believed to differ significantly from that for bituminous coals. To evaluate the feasibility and the environmental, technical, and economic impacts of CO 2 sequestration in Texas low-rank coal beds, the Texas Engineering Experimental Station is conducting a four-year study

88

The Infrastructure of a Global Field of Arbitrary Unit Rank  

E-Print Network (OSTI)

In the past, the infrastructure of a number or (global) function field has been used for computation of units. In the case of a one-dimensional infrastructure, i.e. in the case of unit rank one, one has a binary operation which is similar to multiplication, called a giant step, which was introduced by D. Shanks. In this paper, we show a general way to interpret infrastructure in the case of arbitrary unit rank, which gives a giant step. Moreover, we relate the infrastructure and the giant step to the arithmetic in the divisor class group. Finally, we give explicit algorithms in the function field case for computing, and show how the baby step-giant step method for unit computation generalizes to the case of arbitrary unit rank.

Fontein, Felix

2008-01-01T23:59:59.000Z

89

Typicality ranking via semi-supervised multiple-instance learning  

Science Conference Proceedings (OSTI)

Most of the existing methods for natural scene categorization only consider whether a sample is relevant or irrelevant to a particular concept. However, for the samples relevant to a certain concept, their typicalities or relevancy scores to the concept ... Keywords: multiple-instance learning, natural scene categorization, semi-supervised learning, typicality ranking

Jinhui Tang; Xian-Sheng Hua; Guo-Jun Qi; Xiuqing Wu

2007-09-01T23:59:59.000Z

90

On the Classification of Low-Rank Braided Fusion Categories  

E-Print Network (OSTI)

A physical system is said to be in topological phase if at low energies and long wavelengths the observable quantities are invariant under diffeomorphisms. Such physical systems are of great interest in condensed matter physics and computer science where they can be applied to form topological insulators and fault–tolerant quantum computers. Physical systems in topological phase may be rigorously studied through their algebraic manifestations, (pre)modular categories. A complete classification of these categories would lead to a taxonomy of the topological phases of matter. Beyond their ties to physical systems, premodular categories are of general mathematical interest as they govern the representation theories of quasi–Hopf algebras, lead to manifold and link invariants, and provide insights into the braid group. In the course of this work, we study the classification problem for (pre)modular categories with particular attention paid to their arithmetic properties. Central to our analysis is the question of rank finiteness for modular categories, also known as Wang’s Conjecture. In this work, we lay this problem to rest by exploiting certain arithmetic properties of modular categories. While the rank finiteness problem for premodular categories is still open, we provide new methods for approaching this problem. The arithmetic techniques suggested by the rank finiteness analysis are particularly pronounced in the (weakly) integral setting. There, we use Diophantine techniques to classify all weakly integral modular categories through rank 6 up to Grothendieck equivalence. In the case that the category is not only weakly integral, but actually integral, the analysis is further extended to produce a classification of integral modular categories up to Grothendieck equivalence through rank 7. It is observed that such classification can be extended provided some mild assumptions are made. For instance, if we further assume that the category is also odd–dimensional, then the classification up to Grothendieck equivalence is completed through rank 11. Moving beyond modular categories has historically been difficult. We suggest new methods for doing this inspired by our work on (weakly) integral modular categories and related problems in algebraic number theory. The allows us to produce a Grothendieck classification of rank 4 premodular categories thereby extending the previously known rank 3 classification.

Bruillard, Paul Joseph

2013-08-01T23:59:59.000Z

91

Analytical determination of strain energy for the studies of coal mine bumps.  

E-Print Network (OSTI)

??Coal mine bumps occur in most countries where coal is mined by underground methods. Coal bumps can be characterized as unstable releases of strain energy… (more)

Xu, Qiang, 1981-

2009-01-01T23:59:59.000Z

92

Depth estimation for ranking query optimization  

Science Conference Proceedings (OSTI)

A relational ranking query uses a scoring function to limit the results of a conventional query to a small number of the most relevant answers. The increasing popularity of this query paradigm has led to the introduction of specialized rank join operators ...

Karl Schnaitter; Joshua Spiegel; Neoklis Polyzotis

2007-09-01T23:59:59.000Z

93

Pairwise ranking aggregation in a crowdsourced setting  

Science Conference Proceedings (OSTI)

Inferring rankings over elements of a set of objects, such as documents or images, is a key learning problem for such important applications as Web search and recommender systems. Crowdsourcing services provide an inexpensive and efficient means to acquire ... Keywords: crowdsourcing, pairwise preference, ranking

Xi Chen; Paul N. Bennett; Kevyn Collins-Thompson; Eric Horvitz

2013-02-01T23:59:59.000Z

94

Query weighting for ranking model adaptation  

Science Conference Proceedings (OSTI)

We propose to directly measure the importance of queries in the source domain to the target domain where no rank labels of documents are available, which is referred to as query weighting. Query weighting is a key step in ranking model adaptation. As ...

Peng Cai; Wei Gao; Aoying Zhou; Kam-Fai Wong

2011-06-01T23:59:59.000Z

95

Data mining  

Science Conference Proceedings (OSTI)

This is the final report of a one-year, Laboratory Directed Research and Development (LDRD) project at the Los Alamos National Laboratory (LANL). The objective of this project was to develop and implement data mining technology suited to the analysis of large collections of unstructured data. This has taken the form of a software tool, PADMA (Parallel Data Mining Agents), which incorporates parallel data accessing, parallel scalable hierarchical clustering algorithms, and a web-based user interface for submitting Structured Query Language (SQL) queries and interactive data visualization. The authors have demonstrated the viability and scalability of PADMA by applying it to an unstructured text database of 25,000 documents running on an IBM SP2 at Argonne National Laboratory. The utility of PADMA for discovering patterns in data has also been demonstrated by applying it to laboratory test data for Hepatitis C patients and autopsy reports in collaboration with the University of New Mexico School of Medicine.

Lee, K.; Kargupta, H.; Stafford, B.G.; Buescher, K.L.; Ravindran, B.

1998-12-31T23:59:59.000Z

96

Presidential Rank Awards Announced | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Presidential Rank Awards Announced Presidential Rank Awards Announced Presidential Rank Awards Announced November 4, 2011 - 10:45am Addthis Senior level executives and the 2010 Presidential Rank Award winners. First Row: Melvin Williams; Neile Miller for James B. Lambert and Theodore D. Sherry; Daniel Poneman, Patricia R. Worthington, Sandra Waisley for David A. Brockman, Secretary Chu, Frank B. Russo, and Steven Aoki. Second Row: William Barker for Andrew Lawrence, Raymond V. Furstenau, Charles McConnell for Victor A. Der, Michael Weis, and Michael C. Kane | Photo courtesy of the Energy Department. Senior level executives and the 2010 Presidential Rank Award winners. First Row: Melvin Williams; Neile Miller for James B. Lambert and Theodore D. Sherry; Daniel Poneman, Patricia R. Worthington, Sandra Waisley for David

97

Zero forcing parameters and minimum rank problems  

E-Print Network (OSTI)

The zero forcing number Z(G), which is the minimum number of vertices in a zero forcing set of a graph G, is used to study the maximum nullity / minimum rank of the family of symmetric matrices described by G. It is shown that for a connected graph of order at least two, no vertex is in every zero forcing set. The positive semidefinite zero forcing number Z_+(G) is introduced, and shown to be equal to |G|-OS(G), where OS(G) is the recently defined ordered set number that is a lower bound for minimum positive semidefinite rank. The positive semidefinite zero forcing number is applied to the computation of positive semidefinite minimum rank of certain graphs. An example of a graph for which the real positive symmetric semidefinite minimum rank is greater than the complex Hermitian positive semidefinite minimum rank is presented.

Barioli, Francesco; Fallat, Shaun M; Hall, H Tracy; Hogben, Leslie; Shader, Bryan; Driessche, P van den; van der Holst, Hein

2010-01-01T23:59:59.000Z

98

Mining User preference using Spy voting for search engine personalization  

Science Conference Proceedings (OSTI)

This article addresses search engine personalization. We present a new approach to mining a user's preferences on the search results from clickthrough data and using the discovered preferences to adapt the search engine's ranking function for improving ... Keywords: Personalization, clickthrough data, search engine, user preferences

Wilfred Ng; Lin Deng; Dik Lun Lee

2007-10-01T23:59:59.000Z

99

Probabilistic ranking of database query results  

Science Conference Proceedings (OSTI)

We investigate the problem of ranking answers to a database query when many tuples are returned. We adapt and apply principles of probabilistic models from Information Retrieval for structured data. Our proposed solution is domain independent. It leverages ...

Surajit Chaudhuri; Gautam Das; Vagelis Hristidis; Gerhard Weikum

2004-08-01T23:59:59.000Z

100

Low-rank coal oil agglomeration  

DOE Patents (OSTI)

A low-rank coal oil agglomeration process. High mineral content, a high ash content subbituminous coals are effectively agglomerated with a bridging oil which is partially water soluble and capable of entering the pore structure, and usually coal derived.

Knudson, Curtis L. (Grand Forks, ND); Timpe, Ronald C. (Grand Forks, ND)

1991-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "rank mining method" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


101

Re-ranking algorithms for name tagging  

Science Conference Proceedings (OSTI)

Integrating information from different stages of an NLP processing pipeline can yield significant error reduction. We demonstrate how re-ranking can improve name tagging in a Chinese information extraction system by incorporating information from relation ...

Heng Ji; Cynthia Rudin; Ralph Grishman

2006-06-01T23:59:59.000Z

102

NETL: Gasification Systems - Low Rank Coal Optimization  

NLE Websites -- All DOE Office Websites (Extended Search)

Area Low Rank Coal Optimization Project No.: Adv Gas-FY131415 Task 4 NETL's in-house research team is using an integrated approach to combine theory, computational modeling,...

103

NNSA's Sequoia supercomputer ranked as world's fastest  

NLE Websites -- All DOE Office Websites (Extended Search)

| NR-12-06-07 NNSA's Sequoia supercomputer ranked as world's fastest Donald B Johnston, LLNL, (925) 423-4902, johnston19@llnl.gov Printer-friendly From left to right in front of...

104

Lame (CubicRank4TensorLame)  

Science Conference Proceedings (OSTI)

... OOF2: The Manual. Lame (CubicRank4TensorLame). ... Name. Lame (CubicRank4TensorLame) — Cubic rank 4 tensor in terms of Lame coefficients. ...

2013-07-05T23:59:59.000Z

105

Interpretation of Rank Histograms for Verifying Ensemble Forecasts  

Science Conference Proceedings (OSTI)

Rank histograms are a tool for evaluating ensemble forecasts. They are useful for determining the reliability of ensemble forecasts and for diagnosing errors in its mean and spread. Rank histograms are generated by repeatedly tallying the rank of ...

Thomas M. Hamill

2001-03-01T23:59:59.000Z

106

Free Malcev algebra of rank three  

E-Print Network (OSTI)

We find a basis of the free Malcev algebra on three free generators over a field of characteristic zero. The specialty and semiprimity of this algebra are proved. In addition, we prove the decomposability of this algebra into subdirect sum of the free Lie algebra rank three and the free algebra of rank three of variety of Malcev algebras generated by a simple seven-dimensional Malcev algebra.

Kornev, Alexandr

2011-01-01T23:59:59.000Z

107

Mining Engineering Strategic Plan  

E-Print Network (OSTI)

, coal, base and ferrous metals. Action 1.3.2: The Tianfu Mining University Opportunity: Strengthen.1.2: Endowed Chair in Energy: Endow a $3 million Chair in Mining Engineering with emphasis on Energy form Coal Control, Mineral-Materials-Coal Processing, Mine Health and Safety, and Mine Survey laboratories. Action 4

Ragsdell, Kenneth M.

108

Rights and Duties of Mines and Mine Owners, General (Missouri)  

Energy.gov (U.S. Department of Energy (DOE))

This legislation addresses general operational guidelines for mine owners regarding public notices, fees, land and mineral ownership, requirements for mining in certain municipalities, and mining...

109

Google's PageRank and Beyond: The Science of Search Engine Rankings  

E-Print Network (OSTI)

term easily spammed #12;1998: enter Link Analysis · uses hyperlink structure to focus the relevant set #12;Ranking with a Random Surfer · Rank each page corresponding to a search term by number and quality page corresponding to a search term by number and quality of votes cast for that page. Hyperlink

Kunkle, Tom

110

Ranked bandits in metric spaces: learning diverse rankings over large document collections  

Science Conference Proceedings (OSTI)

Most learning to rank research has assumed that the utility of different documents is independent, which results in learned ranking functions that return redundant results. The few approaches that avoid this have rather unsatisfyingly lacked theoretical ... Keywords: clickthrough data, contextual bandits, diversity, metric spaces, multi-armed bandits, online learning, regret

Aleksandrs Slivkins, Filip Radlinski, Sreenivas Gollapudi

2013-01-01T23:59:59.000Z

111

Knowledge transfer for cross domain learning to rank  

Science Conference Proceedings (OSTI)

Recently, learning to rank technology is attracting increasing attention from both academia and industry in the areas of machine learning and information retrieval. A number of algorithms have been proposed to rank documents according to the user-given ... Keywords: Information retrieval, Knowledge transfer, Learning to rank, Ranking SVM

Depin Chen; Yan Xiong; Jun Yan; Gui-Rong Xue; Gang Wang; Zheng Chen

2010-06-01T23:59:59.000Z

112

Data Mining for Seismic Exploration  

Science Conference Proceedings (OSTI)

Seismic exploration plays an important role in petroleum industry. It is widely admitted that there are a lot of limitations of conventional data analysis ways in oil and gas industry. Traditional methods in petroleum engineering are knowledge-driven ... Keywords: seismic exploration, data mining, cluster analysis

Zhongbin Ouyang; Jing He; Keliang Zhang

2008-12-01T23:59:59.000Z

113

Inequalities for the Ranks of Quantum States  

E-Print Network (OSTI)

We investigate relations between the ranks of marginals of multipartite quantum states. These are the Schmidt ranks across all possible bipartitions and constitute a natural quantification of multipartite entanglement dimensionality. We show that there exist inequalities constraining the possible distribution of ranks. This is analogous to the case of von Neumann entropy (\\alpha-R\\'enyi entropy for \\alpha=1), where nontrivial inequalities constraining the distribution of entropies (such as e.g. strong subadditivity) are known. It was also recently discovered that all other \\alpha-R\\'enyi entropies for $\\alpha\\in(0,1)\\cup(1,\\infty)$ satisfy only one trivial linear inequality (non-negativity) and the distribution of entropies for $\\alpha\\in(0,1)$ is completely unconstrained beyond non-negativity. Our result resolves an important open question by showing that also the case of \\alpha=0 (logarithm of the rank) is restricted by nontrivial linear relations and thus the cases of von Neumann entropy (i.e., \\alpha=1) and 0-R\\'enyi entropy are exceptionally interesting measures of entanglement in the multipartite setting.

Josh Cadney; Marcus Huber; Noah Linden; Andreas Winter

2013-08-02T23:59:59.000Z

114

Search structures and algorithms for personalized ranking  

Science Conference Proceedings (OSTI)

As data of an unprecedented scale are becoming accessible on the Web, personalization, of narrowing down the retrieval to meet the user-specific information needs, is becoming more and more critical. For instance, while web search engines traditionally ... Keywords: Context-awareness, Personalization, Ranking, Top-k query, User context

Gae-won You; Seung-won Hwang

2008-10-01T23:59:59.000Z

115

Ranking class labels using query sessions  

Science Conference Proceedings (OSTI)

The role of search queries, as available within query sessions or in isolation from one another, in examined in the context of ranking the class labels (e.g., brazilian cities, business centers, hilly sites) extracted from Web documents for various ...

Marius Pa?ca

2011-06-01T23:59:59.000Z

116

Low-rank coal oil agglomeration  

DOE Patents (OSTI)

A low-rank coal oil agglomeration process is described. High mineral content, a high ash content subbituminous coals are effectively agglomerated with a bridging oil which is partially water soluble and capable of entering the pore structure, and is usually coal-derived.

Knudson, C.L.; Timpe, R.C.

1991-07-16T23:59:59.000Z

117

Data Mining: Opportunities and Challenges  

E-Print Network (OSTI)

1 Data Mining: Opportunities and Challenges Xindong Wu University of Vermont, USA; Hefei University Systems 2004 ...... #12;3 Outline 1.1. Data Mining OpportunitiesData Mining Opportunities Major Conferences and Journals in Data Mining Main Topics in Data Mining Some Research Directions in Data Mining 2

Wu, Xindong

118

Mining Regulations (Missouri)  

Energy.gov (U.S. Department of Energy (DOE))

This legislation applies to all mines in this state engaged in the mining or extraction of minerals for commercial purposes, except barite, marble, limestone, and sand and gravel, or the...

119

A multiobjective evolutionary programming framework for graph-based data mining  

Science Conference Proceedings (OSTI)

Subgraph mining is the process of identifying concepts describing interesting and repetitive subgraphs within graph-based data. The exponential number of possible subgraphs makes the problem very challenging. Existing methods apply a single-objective ... Keywords: Evolutionary multiobjective optimization, Frequent subgraph mining, Graph-based data mining, Multiobjective evolutionary programming, Multiobjective graph-based data mining, Pareto optimality

Prakash Shelokar, Arnaud Quirin, íScar CordóN

2013-07-01T23:59:59.000Z

120

Mine Mesh Networks  

Science Conference Proceedings (OSTI)

... and analyzed underground measurements of MF signal strength in the NIOSH Pittsburgh Research Laboratory Safety Research Coal Mine to refine ...

2010-10-05T23:59:59.000Z

Note: This page contains sample records for the topic "rank mining method" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


121

Data Mining: An Introduction  

Science Conference Proceedings (OSTI)

Data mining, the process of extracting not-so-obvious but useful information from large databases, has emerged as a key business intelligence technology. This report provides an introductory overview of data mining technology and products. It also provides several examples of data mining applications in different industries.

1997-12-17T23:59:59.000Z

122

Mining Local Buffer Data  

Science Conference Proceedings (OSTI)

Web mining employs the techniques of data mining to extract information from the Web for a variety of purposes. The usual sources of data are the log files of WWW or proxy servers. The paper examines the possibility of using the local browser buffer ... Keywords: Behavioural Targeting, Browser Cache, Cacheability, Data Mining, Heaps Law, Internet, Latency, Zipf Law

Andrzej Siemi?ski

2008-06-01T23:59:59.000Z

123

On conformal Jordan cells of finite and infinite rank  

E-Print Network (OSTI)

This work concerns in part the construction of conformal Jordan cells of infinite rank and their reductions to conformal Jordan cells of finite rank. It is also discussed how a procedure similar to Lie algebra contractions may reduce a conformal Jordan cell of finite rank to one of lower rank. A conformal Jordan cell of rank one corresponds to a primary field. This offers a picture in which any finite conformal Jordan cell of a given conformal weight may be obtained from a universal covering cell of the same weight but infinite rank.

Jorgen Rasmussen

2004-08-03T23:59:59.000Z

124

Selective mining and beneficiation at Grootegeluk coal mine Waterberg Coalfield, South Africa  

Science Conference Proceedings (OSTI)

Grootegeluk Coal Mine, situated in the Waterberg Coalfield in the Northern Province of South Africa, ranks among the largest open pit coal mines in the world in terms of run of mine tonnage. Commissioned in 1980 to provide steel producer Iscor with coking coal, Grootegeluk currently produces 53 Mt of coking coal per annum. At present Iscor consumes 1.2 Mt of coking coal while Matimba, the world's largest direct dry cooled PowerStation consumes an additional 12.6 Mt. Fine washing and screening plants currently beneficiate the run of mine feed from this multi-seam multi-product mine. Although the Waterberg Coalfield contains approximately 50% of South Africa's coal reserves, Grootegeluk is the only operating mine in this coalfield. The coal seams of the Waterberg Coalfield occur in the Volksrust and Vryheids formations of the Karoo Sequence. Numerous coal seams ranging from a few millimeters up to 8 meters occur over a stratigraphic thickness of at least 120 meters. These coal seams are grouped into eleven coal bearing zones that can be correlated across the coalfield. The coal- and coalbearing strata in the Waterberg are of late Paleozoic to early Mesozoic age. Coal from the Volksrust formation is autochthonous while the coal from the Vryheid formation is allochthonous. To ensure that sufficient geological and analytical data are obtained from exploration boreholes an extensive sampling procedure was established with washability data ranging from 1,35 to 2,20 g/cc. The analyses indicated that certain parts of the coalbearing strata is not suitable for the production of coking coal due to the high phosphorus content or the poor coking properties. This resulted in an open pit with 11 mining benches. The upper parts of the deposit is extracted by conventional shovel and truck operations while the coal seams of the lower part of the deposit are mined selectively with hydraulic shovels. At Grootegeluk down the hole geophysics (natural gamma) are used for grade control and also to quantify the effect of over- or undermining on the various mining benches. Reconciliation between the run of mine material dispatched to the various plants and their resulted yields/qualities are done regularly.

NONE

1999-07-01T23:59:59.000Z

125

Exploiting contextual information for image re-ranking  

Science Conference Proceedings (OSTI)

This paper presents a novel re-ranking approach based on contextual information used to improve the effectiveness of Content-Based Image Retrieval (CBIR) tasks. In our approach, image processing techniques are applied to ranked lists defined by CBIR ...

Daniel Carlos Guimarães Pedronette; Ricardo Da S. Torres

2010-11-01T23:59:59.000Z

126

Accuracy estimate and optimization techniques for SimRank computation  

Science Conference Proceedings (OSTI)

The measure of similarity between objects is a very useful tool in many areas of computer science, including information retrieval. SimRank is a simple and intuitive measure of this kind, based on a graph-theoretic model. SimRank is typically computed ... Keywords: Algorithm, Computational complexity, Graph theory, SimRank, Similarity measure

Dmitry Lizorkin; Pavel Velikhov; Maxim Grinev; Denis Turdakov

2010-02-01T23:59:59.000Z

127

NETL: News Release - Jet Engine Successful in Fighting Mine Fire  

NLE Websites -- All DOE Office Websites (Extended Search)

2, 2003 2, 2003 Jet Engine Successful in Fighting Mine Fire Energy Department's Assistance Brings West Virginia Coal Miners Back To Work One Year Early - Australian Jet Engine Successfully Fights West Virginia Mine Fire - By blowing its exhaust into the underground mine, the modified jet engine was able to snuff out the mine fire much faster than traditional methods. FAIRVIEW, WV - A modified jet engine has been used to successfully fight a West Virginia mine fire that had been burning for nearly two months and was the cause of 300 employees being temporarily laid off when mine operations were idled. Positioned at the mouth of the one of the mineshafts, the jet engine was used to blow water vapor and inert gases into the mine to smother the fire by creating an inert environment underground. It was the

128

Climate VISION: Private Sector Initiatives: Mining: Resources & Links  

Office of Scientific and Technical Information (OSTI)

Federal/State Programs Federal/State Programs DOE Mining Industry of the Future The Mining Industry of the Future, a collaboration between the U.S. mining industry and the U.S. Department of Energy, Industrial Technologies Program, is working to make the U.S. mining industry the most efficient and advanced in the world. EPA Coalbed Methane Outreach Program The Coalbed Methane Outreach Program (CMOP) is a voluntary program aimed at reducing methane emissions from coal mining activities. Our mission is to promote the profitable recovery and use of coal mine methane (CMM), a greenhouse gas 21 times as potent as carbon dioxide. By working cooperatively with coal companies and related industries, CMOP helps to identify and implement methods to use CMM productively. In turn, these actions mitigate climate change, improve mine safety and productivity, and

129

Talvivaara Nickel Mine  

Science Conference Proceedings (OSTI)

In full production the annual nickel production will be approximately 50,000tpa. In addition, the mine will also produce zinc, copper and cobalt.Talvivaara will ...

130

Coal Mining (Iowa)  

Energy.gov (U.S. Department of Energy (DOE))

These sections describe procedures for coal exploration and extraction, as well as permitting requirements relating to surface and underground coal mining. These sections also address land...

131

Labor and Safety: Mines and Mining Safety (Indiana)  

Energy.gov (U.S. Department of Energy (DOE))

This section contains labor regulations pertaining specifically to coal mine workers. The law establishes the Indiana Mining Board. The Board's duties include: collecting and distributing...

132

Coal Mining Tax Credit (Arkansas)  

Energy.gov (U.S. Department of Energy (DOE))

The Coal Mining Tax Credit provides an income or insurance premium tax credit of $2.00 per ton of coal mined, produced or extracted on each ton of coal mined in Arkansas in a tax year. An...

133

Oil shale mining cost analysis. Volume I. Surface retorting process. Final report  

SciTech Connect

An Oil Shale Mining Economic Model (OSMEM) was developed and executed for mining scenarios representative of commercially feasible mining operations. Mining systems were evaluated for candidate sites in the Piceance Creek Basin. Mining methods selected included: (1) room-and-pillar; (2) chamber-and-pillar, with spent shale backfilling; (3) sublevel stopping; and (4) sublevel stopping, with spent shale backfilling. Mines were designed to extract oil shale resources to support a 50,000 barrels-per-day surface processing facility. Costs developed for each mining scenario included all capital and operating expenses associated with the underground mining methods. Parametric and sensitivity analyses were performed to determine the sensitivity of mining cost to changes in capital cost, operating cost, return on investment, and cost escalation.

Resnick, B.S.; English, L.M.; Metz, R.D.; Lewis, A.G.

1981-01-01T23:59:59.000Z

134

Supervised Rank Aggregation for Predicting Influence in Networks  

E-Print Network (OSTI)

focused on the identification of the most important actors in a social network. This has resulted in several measures of influence and authority. While most of such sociometrics (e.g., PageRank) are driven by intuitions based on an actors location in a network, asking for the “most influential ” actors in itself is an ill-posed question, unless it is put in context with a specific measurable task. Constructing a predictive task of interest in a given domain provides a mechanism to quantitatively compare different measures of influence. Furthermore, when we know what type of actionable insight to gather, we need not rely on a single network centrality measure. A combination of measures is more likely to capture various aspects of the social network that are predictive and beneficial for the task. Towards this end, we propose an approach to supervised rank aggregation, driven by techniques from Social Choice Theory. We illustrate the effectiveness of this method through experiments on Twitter and citation networks. I.

Karthik Subbian; Prem Melville

2011-01-01T23:59:59.000Z

135

Mining of Minerals and Ores  

Science Conference Proceedings (OSTI)

...of mining with respect to metal price, metal demand forecast, ore processing and extraction costs, and the socioeconomic as well as environmental impact of the mining

136

Coal Mine Safety Act (Virginia)  

Energy.gov (U.S. Department of Energy (DOE))

This Act is the primary legislation pertaining to coal mine safety in Virginia. It contains information on safety rules, safety standards and required certifications for mine workers, prohibited...

137

Mining partially annotated images  

Science Conference Proceedings (OSTI)

In this paper, we study the problem of mining partially annotated images. We first define what the problem of mining partially annotated images is, and argue that in many real-world applications annotated images are typically partially annotated and ... Keywords: image annotation completion and prediction, partially annotated training set, semi-supervised learning

Zhongang Qi; Ming Yang; Zhongfei (Mark) Zhang; Zhengyou Zhang

2011-08-01T23:59:59.000Z

138

Analysis of some methods for reduced rank gaussian process regression  

Science Conference Proceedings (OSTI)

While there is strong motivation for using Gaussian Processes (GPs) due to their excellent performance in regression and classification problems, their computational complexity makes them impractical when the size of the training set exceeds a few thousand ...

Joaquin Quiñonero-Candela; Carl Edward Rasmussen

2003-09-01T23:59:59.000Z

139

Evaluating Learning-to-Rank Methods in the Web Track ...  

Science Conference Proceedings (OSTI)

... Random forests (2010-train k = 1 3000 iter.) 0.07692 0.11506 0.0578 0.2240 0.1773 Random forests (MQ-train-best k = 1 ...

2012-02-03T23:59:59.000Z

140

PRB mines mature  

Science Conference Proceedings (OSTI)

Already seeing the results of reclamation efforts, America's largest surface mines advance as engineers prepare for the future. 30 years after the signing of the Surface Mining Control and Reclamation Act by Jimmy Carter, western strip mines in the USA, especially in the Powder River Basin, are producing more coal than ever. The article describes the construction and installation of a $38.5 million near-pit crusher and overland belt conveyor system at Foundation Coal West's (FCW) Belle Ayr surface mine in Wyoming, one of the earliest PRB mines. It goes on to describe the development by Rio Tinto of an elk conservatory, the Rochelle Hill Conservation Easement, on reclaimed land at Jacobs Ranch, adjacent to the Rochelle Hills. 4 photos.

Buchsbaum, L.

2007-08-15T23:59:59.000Z

Note: This page contains sample records for the topic "rank mining method" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


141

EM's Huizenga Receives Presidential Rank Award | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

EM's Huizenga Receives Presidential Rank Award EM's Huizenga Receives Presidential Rank Award EM's Huizenga Receives Presidential Rank Award May 9, 2013 - 12:00pm Addthis EM Senior Advisor Dave Huizenga, left, receives the Presidential Rank of Distinguished Executive award from Eric Coulter, treasurer of the board of directors for the Senior Executives Association, which sponsors the awards program. EM Senior Advisor Dave Huizenga, left, receives the Presidential Rank of Distinguished Executive award from Eric Coulter, treasurer of the board of directors for the Senior Executives Association, which sponsors the awards program. WASHINGTON, D.C. - EM Senior Advisor Dave Huizenga recently received the nation's highest civil service recognition, the Presidential Rank of Distinguished Executive award. The Senior Executives Association sponsored the annual awards event. In

142

EM's Huizenga Receives Presidential Rank Award | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Huizenga Receives Presidential Rank Award Huizenga Receives Presidential Rank Award EM's Huizenga Receives Presidential Rank Award May 9, 2013 - 12:00pm Addthis EM Senior Advisor Dave Huizenga, left, receives the Presidential Rank of Distinguished Executive award from Eric Coulter, treasurer of the board of directors for the Senior Executives Association, which sponsors the awards program. EM Senior Advisor Dave Huizenga, left, receives the Presidential Rank of Distinguished Executive award from Eric Coulter, treasurer of the board of directors for the Senior Executives Association, which sponsors the awards program. WASHINGTON, D.C. - EM Senior Advisor Dave Huizenga recently received the nation's highest civil service recognition, the Presidential Rank of Distinguished Executive award. The Senior Executives Association sponsored the annual awards event. In

143

Low rank approach to computing first and higher order derivatives using automatic differentiation  

Science Conference Proceedings (OSTI)

This manuscript outlines a new approach for increasing the efficiency of applying automatic differentiation (AD) to large scale computational models. By using the principles of the Efficient Subspace Method (ESM), low rank approximations of the derivatives for first and higher orders can be calculated using minimized computational resources. The output obtained from nuclear reactor calculations typically has a much smaller numerical rank compared to the number of inputs and outputs. This rank deficiency can be exploited to reduce the number of derivatives that need to be calculated using AD. The effective rank can be determined according to ESM by computing derivatives with AD at random inputs. Reduced or pseudo variables are then defined and new derivatives are calculated with respect to the pseudo variables. Two different AD packages are used: OpenAD and Rapsodia. OpenAD is used to determine the effective rank and the subspace that contains the derivatives. Rapsodia is then used to calculate derivatives with respect to the pseudo variables for the desired order. The overall approach is applied to two simple problems and to MATWS, a safety code for sodium cooled reactors. (authors)

Reed, J. A.; Abdel-Khalik, H. S. [North Carolina State Univ., Dept. of Nuclear Engineering, Raleigh, NC 27695-7909 (United States); Utke, J. [Mathematics and Computer Science Div., Argonne National Laboratory, Argonne, IL 60439 (United States)

2012-07-01T23:59:59.000Z

144

CO2 Sequestration Potential of Texas Low-Rank Coals  

SciTech Connect

Injection of CO{sub 2} in coalbeds is a plausible method of reducing atmospheric emissions of CO{sub 2}, and it can have the additional benefit of enhancing methane recovery from coal. Most previous studies have evaluated the merits of CO{sub 2} disposal in high-rank coals. The objective of this research was to determine the technical and economic feasibility of CO{sub 2} sequestration in, and enhanced coalbed methane (ECBM) recovery from, low-rank coals in the Texas Gulf Coast area. Our research included an extensive coal characterization program, including acquisition and analysis of coal core samples and well transient test data. We conducted deterministic and probabilistic reservoir simulation and economic studies to evaluate the effects of injectant fluid composition (pure CO{sub 2} and flue gas), well spacing, injection rate, and dewatering on CO{sub 2} sequestration and ECBM recovery in low-rank coals of the Calvert Bluff formation of the Texas Wilcox Group. Shallow and deep Calvert Bluff coals occur in two, distinct, coalbed gas petroleum systems that are separated by a transition zone. Calvert Bluff coals < 3,500 ft deep are part of a biogenic coalbed gas system. They have low gas content and are part of a freshwater aquifer. In contrast, Wilcox coals deeper than 3,500 ft are part of a thermogenic coalbed gas system. They have high gas content and are part of a saline aquifer. CO{sub 2} sequestration and ECBM projects in Calvert Bluff low-rank coals of East-Central Texas must be located in the deeper, unmineable coals, because shallow Wilcox coals are part of a protected freshwater aquifer. Probabilistic simulation of 100% CO{sub 2} injection into 20 feet of Calvert Bluff coal in an 80-acre 5-spot pattern indicates that these coals can store 1.27 to 2.25 Bcf of CO{sub 2} at depths of 6,200 ft, with an ECBM recovery of 0.48 to 0.85 Bcf. Simulation results of flue gas injection (87% N{sub 2}-13% CO{sub 2}) indicate that these same coals can store 0.34 to 0.59 Bcf of CO{sub 2} with an ECBM recovery of 0.68 to 1.20 Bcf. Economic modeling of CO{sub 2} sequestration and ECBM recovery indicates predominantly negative economic indicators for the reservoir depths (4,000 to 6,200 ft) and well spacings investigated, using natural gas prices ranging from $2 to $12 per Mscf and CO{sub 2} credits based on carbon market prices ranging from $0.05 to $1.58 per Mscf CO{sub 2} ($1.00 to $30.00 per ton CO{sub 2}). Injection of flue gas (87% N{sub 2} - 13% CO{sub 2}) results in better economic performance than injection of 100% CO{sub 2}. CO{sub 2} sequestration potential and methane resources in low-rank coals of the Lower Calvert Bluff formation in East-Central Texas are significant. The potential CO{sub 2} sequestration capacity of the coals ranges between 27.2 and 49.2 Tcf (1.57 and 2.69 billion tons), with a mean value of 38 Tcf (2.2 billion tons), assuming a 72.4% injection efficiency. Estimates of recoverable methane resources range between 6.3 and 13.6 Tcf, with a mean of 9.8 Tcf, assuming a 71.3% recovery factor. Moderate increases in gas prices and/or carbon credits could generate attractive economic conditions that, combined with the close proximity of many CO{sub 2} point sources near unmineable coalbeds, could enable commercial CO{sub 2} sequestration and ECBM projects in Texas low-rank coals. Additional studies are needed to characterize Wilcox regional methane coalbed gas systems and their boundaries, and to assess potential of other low-rank coal beds. Results from this study may be transferable to other low-rank coal formations and regions.

Duane McVay; Walter Ayers, Jr.; Jerry Jensen; Jorge Garduno; Gonzola Hernandez; Rasheed Bello; Rahila Ramazanova

2006-08-31T23:59:59.000Z

145

CO2 Sequestration Potential of Texas Low-Rank Coals  

Science Conference Proceedings (OSTI)

Injection of CO{sub 2} in coalbeds is a plausible method of reducing atmospheric emissions of CO{sub 2}, and it can have the additional benefit of enhancing methane recovery from coal. Most previous studies have evaluated the merits of CO{sub 2} disposal in high-rank coals. The objective of this research was to determine the technical and economic feasibility of CO{sub 2} sequestration in, and enhanced coalbed methane (ECBM) recovery from, low-rank coals in the Texas Gulf Coast area. Our research included an extensive coal characterization program, including acquisition and analysis of coal core samples and well transient test data. We conducted deterministic and probabilistic reservoir simulation and economic studies to evaluate the effects of injectant fluid composition (pure CO{sub 2} and flue gas), well spacing, injection rate, and dewatering on CO{sub 2} sequestration and ECBM recovery in low-rank coals of the Calvert Bluff formation of the Texas Wilcox Group. Shallow and deep Calvert Bluff coals occur in two, distinct, coalbed gas petroleum systems that are separated by a transition zone. Calvert Bluff coals coals deeper than 3,500 ft are part of a thermogenic coalbed gas system. They have high gas content and are part of a saline aquifer. CO{sub 2} sequestration and ECBM projects in Calvert Bluff low-rank coals of East-Central Texas must be located in the deeper, unmineable coals, because shallow Wilcox coals are part of a protected freshwater aquifer. Probabilistic simulation of 100% CO{sub 2} injection into 20 feet of Calvert Bluff coal in an 80-acre 5-spot pattern indicates that these coals can store 1.27 to 2.25 Bcf of CO{sub 2} at depths of 6,200 ft, with an ECBM recovery of 0.48 to 0.85 Bcf. Simulation results of flue gas injection (87% N{sub 2}-13% CO{sub 2}) indicate that these same coals can store 0.34 to 0.59 Bcf of CO{sub 2} with an ECBM recovery of 0.68 to 1.20 Bcf. Economic modeling of CO{sub 2} sequestration and ECBM recovery indicates predominantly negative economic indicators for the reservoir depths (4,000 to 6,200 ft) and well spacings investigated, using natural gas prices ranging from $2 to $12 per Mscf and CO{sub 2} credits based on carbon market prices ranging from $0.05 to $1.58 per Mscf CO{sub 2} ($1.00 to $30.00 per ton CO{sub 2}). Injection of flue gas (87% N{sub 2} - 13% CO{sub 2}) results in better economic performance than injection of 100% CO{sub 2}. CO{sub 2} sequestration potential and methane resources in low-rank coals of the Lower Calvert Bluff formation in East-Central Texas are significant. The potential CO{sub 2} sequestration capacity of the coals ranges between 27.2 and 49.2 Tcf (1.57 and 2.69 billion tons), with a mean value of 38 Tcf (2.2 billion tons), assuming a 72.4% injection efficiency. Estimates of recoverable methane resources range between 6.3 and 13.6 Tcf, with a mean of 9.8 Tcf, assuming a 71.3% recovery factor. Moderate increases in gas prices and/or carbon credits could generate attractive economic conditions that, combined with the close proximity of many CO{sub 2} point sources near unmineable coalbeds, could enable commercial CO{sub 2} sequestration and ECBM projects in Texas low-rank coals. Additional studies are needed to characterize Wilcox regional methane coalbed gas systems and their boundaries, and to assess potential of other low-rank coal beds. Results from this study may be transferable to other low-rank coal formations and regions.

Duane McVay; Walter Ayers, Jr.; Jerry Jensen; Jorge Garduno; Gonzola Hernandez; Rasheed Bello; Rahila Ramazanova

2006-08-31T23:59:59.000Z

146

Using Normalized Climatological Anomalies to Rank Synoptic-Scale Events Objectively  

Science Conference Proceedings (OSTI)

A method for ranking synoptic-scale events objectively is presented. NCEP 12-h reanalysis fields from 1948 to 2000 are compared to a 30-yr (1961–90) reanalysis climatology. The rarity of an event is the number of standard deviations 1000–200-hPa ...

Robert E. Hart; Richard H. Grumm

2001-09-01T23:59:59.000Z

147

Combining the priority rankings of DEA and AHP methodologies: a case study on an ICT industry  

Science Conference Proceedings (OSTI)

This article presents a case study on how data envelopment analysis DEA and analytic hierarchy process AHP could be combined to produce priority rankings for a set of companies. The shortcomings of each method, when exclusively used to deal with multiple ...

Emmanouil Stiakakis; Angelo Sifaleras

2013-01-01T23:59:59.000Z

148

Where to stop reading a ranked list?: threshold optimization using truncated score distributions  

Science Conference Proceedings (OSTI)

Ranked retrieval has a particular disadvantage in comparison with traditional Boolean retrieval: there is no clear cut-off point where to stop consulting results. This is a serious problem in some setups. We investigate and further develop methods to ... Keywords: distributed retrieval, effectiveness measure optimization, expectation maximization, filtering, fusion, meta-search, probability of relevance, score distribution, score normalization, threshold optimization, truncated distribution

Avi Arampatzis; Jaap Kamps; Stephen Robertson

2009-07-01T23:59:59.000Z

149

Land reclamation beautifies coal mines  

Science Conference Proceedings (OSTI)

The article explains how the Mississippi Agricultural and Forestry Experiments station, MAFES, has helped prepare land exploited by strip mining at North American Coal Corporation's Red Hills Mine. The 5,800 acre lignite mine is over 200 ft deep and uncovers six layers of coal. About 100 acres of land a year is mined and reclaimed, mostly as pine plantations. 5 photos.

Coblentz, B. [MSU Ag Communications (United States)

2009-07-15T23:59:59.000Z

150

Solar for Mining Hugh Rudnick  

E-Print Network (OSTI)

Solar for Mining Hugh Rudnick Professor Pontificia Universidad Católica de Chile #12;Solar Energy in Mining · Solar energy is becoming affordable · Attractive potential use for mining purposes · Must solve the storage requirement to increase its participation worldwide #12;Solar Energy in Mining · Electrical Energy

Catholic University of Chile (Universidad Católica de Chile)

151

Wyoming - Rankings - U.S. Energy Information Administration ...  

U.S. Energy Information Administration (EIA) Indexed Site

are based on the full source data values. Additional State Rankings Consumption Total Energy per Capita Prices Natural Gas Electricity Production Total Energy Crude Oil Natural...

152

Generalized triangle inequalities in thick Euclidean buildings of rank 2  

E-Print Network (OSTI)

We give the generalized triangle inequalities which determine the possible vector valued side lengths of n-gons in thick Euclidean buildings of rank 2.

Ramos-Cuevas, Carlos

2010-01-01T23:59:59.000Z

153

Finding approximately rank-one submatrices with the nuclear norm ...  

E-Print Network (OSTI)

Nov 8, 2010 ... Abstract: We propose a convex optimization formulation with the nuclear norm and $\\ell_1$-norm to find a large approximately rank-one ...

154

Proceedings of the sixteenth biennial low-rank fuels symposium  

SciTech Connect

Low-rank coals represent a major energy resource for the world. The Low-Rank Fuels Symposium, building on the traditions established by the Lignite Symposium, focuses on the key opportunities for this resource. This conference offers a forum for leaders from industry, government, and academia to gather to share current information on the opportunities represented by low-rank coals. In the United States and throughout the world, the utility industry is the primary user of low-rank coals. As such, current experiences and future opportunities for new technologies in this industry were the primary focuses of the symposium.

Not Available

1991-01-01T23:59:59.000Z

155

Optimization Online - Sufficient Conditions for Low-rank Matrix ...  

E-Print Network (OSTI)

Jun 15, 2011 ... This class of optimization problems is $NP$-hard and a popular approach replaces the rank function with the nuclear norm of the matrix ...

156

RECOVERING LOW-RANK AND SPARSE COMPONENTS OF ...  

E-Print Network (OSTI)

Dec 31, 2009 ... a convex relaxation problem where the widely-acknowledged nuclear norm and l1 norm are utilized to induce low-rank and sparsity.

157

SUFFICIENT CONDITIONS FOR LOW-RANK MATRIX RECOVERY ...  

E-Print Network (OSTI)

Jun 15, 2011 ... but also provide sufficient conditions for exact and stable s-rank matrix recovery via the nuclear norm minimization under mild assumptions.

158

Optimization Online - Guaranteed Minimum-Rank Solutions of ...  

E-Print Network (OSTI)

Jun 28, 2007 ... Guaranteed Minimum-Rank Solutions of Linear Matrix Equations via Nuclear Norm Minimization. Benjamin Recht(brecht ***at*** caltech.edu)

159

Olson's Major World Ecosystem Complexes Ranked by Carbon in Live...  

NLE Websites -- All DOE Office Websites (Extended Search)

ecosystem complexes ranked by carbon in live vegetation: A Database. NDP-017, Carbon Dioxide Information Center, Oak Ridge National Laboratory, Oak Ridge, Tennessee. This NDP was...

160

West Virginia - Rankings - U.S. Energy Information Administration...  

U.S. Energy Information Administration (EIA) Indexed Site

Total Energy per Capita Prices Natural Gas Electricity Production Total Energy Crude Oil Natural Gas Coal Electricity Environment Carbon Dioxide Emissions More State Ranking...

Note: This page contains sample records for the topic "rank mining method" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


161

Survey of Climate Data Mining  

E-Print Network (OSTI)

Global climate change has been a discussion topic for years, finally culminating as a significant problem and a national defense issue according to the 2010 Quadrennial Defense Review. From weather to ecological data, the planet is continuously being monitored by researchers collecting spatio-temporal climate data. With the immense amount of data collected, the challenge is making sense of the data by building models and studying the climatic events that deviate and correlate to the models. Data mining is now being used for this research and has four related problems: preprocessing data, applying data mining techniques to build models and outlier/anomaly detection, evaluation techniques and methods, and data visualization. This survey paper will present a broad survey of these issues by first discussing preprocessing techniques to remove variation and other data quality issues, including a discussion on the two types of outliers: undesirable outliers and outliers that represent interesting climate events. Next this paper will discuss common data mining techniques for building models, including association analysis, clustering, and ICA, and discovering interesting outlier/anomalies using techniques including classification, clustering, and wavelet analysis. Third, evaluation techniques will be covered through descriptions and examples. Finally, issues and techniques for climate data visualization will be discussed including

Jason W. Powell

2010-01-01T23:59:59.000Z

162

Data Warehousing and Data Mining Conference, January 25, 1999, Singapore Data Mining:Data Mining  

E-Print Network (OSTI)

Data Warehousing and Data Mining Conference, January 25, 1999, Singapore 1 Welcome Data Mining:Data://kais.mines.edu/~xwu/ #12;Data Warehousing and Data Mining Conference, January 25, 1999, Singapore 2 OutlineOutline s Data (supervised, unsupervised, and hybrid) s Problems with data - cleaning, transforming, structuring

Wu, Xindong

163

A Review of Coal Mine Methane Recovery for Electric Utilities  

Science Conference Proceedings (OSTI)

Recovery of methane from coal mines might be a cost-effective offset method for some utilities looking for ways to reduce or offset their greenhouse gas emissions. This report provides an evaluation of potential recovery amounts and costs for U.S. mines along with a discussion of technical and legal issues.

1997-01-12T23:59:59.000Z

164

Data Mining for Soft Sensing Modeling of Power Plant Parameters  

Science Conference Proceedings (OSTI)

As a new modeling thought, the accurate soft sensing model of power plant parameter was established by data mining method, which obtained effective information from the large number of real-time operation data and avoided low accuracy of conventional ... Keywords: data mining, soft sensing, mathematic modeling, power plant parameters, partial least-square regression

Tao Jin; Zhongguang Fu; Gang Liu

2009-08-01T23:59:59.000Z

165

Uranium Mining and Enrichment  

NLE Websites -- All DOE Office Websites (Extended Search)

Overview Presentation » Uranium Mining and Enrichment Overview Presentation » Uranium Mining and Enrichment Uranium Mining and Enrichment Uranium is a radioactive element that occurs naturally in the earth's surface. Uranium is used as a fuel for nuclear reactors. Uranium-bearing ores are mined, and the uranium is processed to make reactor fuel. In nature, uranium atoms exist in several forms called isotopes - primarily uranium-238, or U-238, and uranium-235, or U-235. In a typical sample of natural uranium, most of the mass (99.3%) would consist of atoms of U-238, and a very small portion of the total mass (0.7%) would consist of atoms of U-235. Uranium Isotopes Isotopes of Uranium Using uranium as a fuel in the types of nuclear reactors common in the United States requires that the uranium be enriched so that the percentage of U-235 is increased, typically to 3 to 5%.

166

Strip Mine Law (Missouri)  

Energy.gov (U.S. Department of Energy (DOE))

This law authorizes the Land Reclamation Commission of the Department of Natural Resources to adopt and promulgate rules and regulations pertaining to strip mining of coal and reclamation, review...

167

Indonesian coal mining  

Science Conference Proceedings (OSTI)

The article examines the opportunities and challenges facing the Indonesian coal mining industry and how the coal producers, government and wider Indonesian society are working to overcome them. 2 figs., 1 tab.

NONE

2008-11-15T23:59:59.000Z

168

Algorithms for data mining  

E-Print Network (OSTI)

Data of massive size are now available in a wide variety of fields and come with great promise. In theory, these massive data sets allow data mining and exploration on a scale previously unimaginable. However, in practice, ...

Wang, Grant J. (Grant Jenhorn), 1979-

2006-01-01T23:59:59.000Z

169

ArcMine: A GIS extension to support mine reclamation planning  

Science Conference Proceedings (OSTI)

This paper presents a new GIS extension, named ArcMine, developed to support reclamation planning in abandoned mining areas. ArcMine provides four tools to (a) assess mine subsidence hazards, (b) estimate the erosion of mine wastes, (c) analyze flow ... Keywords: GIS, Mine reclamation, Mine wastes, Mine water, Reforestation, Subsidence

Sung-Min Kim; Yosoon Choi; Jangwon Suh; Sungchan Oh; Hyeong-Dong Park; Suk-Ho Yoon; Wa-Ra Go

2012-09-01T23:59:59.000Z

170

Research of Coal Mine Safety Assessment Based on Multi-agent about Evidence Theory  

Science Conference Proceedings (OSTI)

The production of coal mine is a very large, complex and dangerous system .In this paper, we analyzed the influence factors of safety in coal mine production. According to the shortage of traditional coal mine safety assessment methods, we took each ... Keywords: evidence theory, multi-agent, safety assessment, working face

Xiaohu Zhao; Qingqing Wang; Keke Zhao

2009-07-01T23:59:59.000Z

171

Equipment tested at the Bureau's oil-shale mine  

SciTech Connect

This document describes new equipment tested by Bureau for drilling vertical holes, hauling explosives, conditioning diesel exhaust gas, and cleaning blast holes at Bureau's Experimental Oil-Shale mine near Rifle, Colo., that might be used in many of the country's underground mines where room-and-pillar method of mining is employed. 17 figures.

Wright, F.D.; Ballinger, H.J.; Burgh, E.E.; Brown, B.C.; Fieg, L.

1951-06-01T23:59:59.000Z

172

Prediction of Subsidence in Steep Seam Mining Based on Probability Integral  

Science Conference Proceedings (OSTI)

The deficiency of subsidence prediction in steep seam mining by the theory of equivalent effect is analyzed?more than 1/2 area of the subsidence basin is caused by the mining of downhill horizontal seam because of the great difference between ... Keywords: probability integral method, steep seam, major influencing radius, unit mining

Zhao-jiang Zhang

2010-08-01T23:59:59.000Z

173

Ranking significant phenomena in physical systems  

SciTech Connect

The analysis of any physical system requires a thorough understanding of the principal phenomena affecting the behavior of that system. In a complex application such as a nuclear reactor, identifying the principal phenomena in an accident transient can be a formidable task. This paper describes the use of the analytical hierarchy process (AHP) to assimilate engineering judgments that relate and rank the thermal-hydraulic phenomena affecting the response of a nuclear reactor. The AHP is described in this paper to acquaint the reader with the methodology. It is used to structure and simplify the decision-making process used to identify the most important phenomena affecting a reactor transient. The methodology is applied to a loss-of-feedwater transient in a nuclear reactor as an example, the objective of the example being to determine the most significant processes and phenomena in the reactor plant based on their impact on the ability of a primary system feed-and-bleed recovery to maintain a liquid level above the core.

Dimenna, R.A. (Westinghouse Savannah River Company, Aiken, SC (USA)); Larson, T.K. (Idaho National Engineering Laboratory, Idaho Falls (USA))

1989-11-01T23:59:59.000Z

174

Probabilistic information retrieval approach for ranking of database query results  

Science Conference Proceedings (OSTI)

We investigate the problem of ranking the answers to a database query when many tuples are returned. In particular, we present methodologies to tackle the problem for conjunctive and range queries, by adapting and applying principles of probabilistic ... Keywords: Probabilistic information retrieval, automatic ranking, experimentation, indexing, relational queries, user survey, workload

Surajit Chaudhuri; Gautam Das; Vagelis Hristidis; Gerhard Weikum

2006-09-01T23:59:59.000Z

175

Distribution of ranks of ?-decay half-lives  

E-Print Network (OSTI)

I studied the distribution of ranks of values of 2949 {\\beta}-decay half-lives according to an empirical beta law with two exponents. {\\beta}-decay half-life ranks showed good fit to a beta function with two exponents.

Juan Miguel Campanario

2010-11-21T23:59:59.000Z

176

Query-Independent learning to rank for RDF entity search  

Science Conference Proceedings (OSTI)

The amount of structured data is growing rapidly. Given a structured query that asks for some entities, the number of matching candidate results is often very high. The problem of ranking these results has gained attention. Because results in ... Keywords: information retrieval, learning to rank, semantic search

Lorand Dali; Blaž Fortuna; Thanh Tran Duc; Dunja Mladeni?

2012-05-01T23:59:59.000Z

177

Research on Improving Low Rank Coal Caking Ability by Hydrogenation  

Science Conference Proceedings (OSTI)

The experiment of improving low rank coal caking ability was carried out in an autoclave within a temperature of (623 to 673)K and a initial pressure of (3 to 6) MPa, the heat time range is 30-50min, the results indicated that: according to moderate ... Keywords: low rank coal, caking ability, maceral specification, coal blending

Huang Peng; Li Wenbo; Zhao Yuan; Ai Jun

2011-02-01T23:59:59.000Z

178

An adaptive learning to rank algorithm: Learning automata approach  

Science Conference Proceedings (OSTI)

The recent years have witnessed the birth and explosive growth of the web. It is obvious that the exponential growth of the web has made it into a huge interconnected source of information wherein finding a document without a searching tool is unimaginable. ... Keywords: Learning automata, Learning to rank, Ranking function, Search engine

Javad Akbari Torkestani

2012-12-01T23:59:59.000Z

179

Distillability and PPT entanglement of low-rank quantum states  

E-Print Network (OSTI)

It is known that he bipartite quantum states, with rank strictly smaller than the maximum of the ranks of its two reduced states, are distillable by local operations and classical communication. Our first main result is that this is also true for NPT states with rank equal to this maximum. (A state is PPT if the partial transpose of its density matrix is positive semidefinite, and otherwise it is NPT.) This was conjectured first in 1999 in the special case when the two local ranks are equal. Our second main result provides a complete solution of the separability problem for bipartite states of rank 4. Namely, we show that such a state is separable if and only if it is PPT and its range contains at least one product state. We also prove that the so called checkerboard states are distillable if and only if they are NPT.

Lin Chen; Dragomir Z. Djokovic

2011-01-26T23:59:59.000Z

180

Evaluation and Ranking of Geothermal Resources for Electrical Generation or Electrical Offset in Idaho, Montana, Oregon and Washington. Volume I.  

DOE Green Energy (OSTI)

The objective was to consolidate and evaluate all geologic, environmental, and legal and institutional information in existing records and files, and to apply a uniform methodology to the evaluation and ranking of sites to allow the making of creditable forecasts of the supply of geothermal energy which could be available in the region over a 20 year planning horizon. A total of 1265 potential geothermal resource sites were identified from existing literature. Site selection was based upon the presence of thermal and mineral springs or wells and/or areas of recent volcanic activity and high heat flow. 250 sites were selected for detailed analysis. A methodology to rank the sites by energy potential, degree of developability, and cost of energy was developed. Resource developability was ranked by a method based on a weighted variable evaluation of resource favorability. Sites were ranked using an integration of values determined through the cost and developability analysis. 75 figs., 63 tabs.

Bloomquist, R. Gordon

1985-06-01T23:59:59.000Z

Note: This page contains sample records for the topic "rank mining method" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


181

Application of Random-SMOTE on Imbalanced Data Mining  

Science Conference Proceedings (OSTI)

The performance of many classifiers based on balanced data sets can't do well in imbalanced data sets. This article integrates the over-sampling method of Random-SMOTE (R-S), which is based on SMOTE method, in imbalanced data mining. We use the R-S method ... Keywords: Imbalaced Data set, Data Mining, Integrated use of Random-SMOTE and logit

Jia Li; Hui Li; Jun-Ling Yu

2011-10-01T23:59:59.000Z

182

PageRank, HITS and a unified framework for link analysis  

SciTech Connect

Two popular webpage ranking algorithms are HITS and PageRank. HITS emphasizes mutual reinforcement between authority and hub webpages, while PageRank emphasizes hyperlink weight normalization and web surfing based on random walk models. We systematically generalize/combine these concepts into a unified framework. The ranking framework contains a large algorithm space; HITS and PageRank are two extreme ends in this space. We study several normalized ranking algorithms which are intermediate between HITS and PageRank, and obtain closed-form solutions. We show that, to first order approximation, all ranking algorithms in this framework, including PageRank and HITS, lead to same ranking which is highly correlated with ranking by indegree. These results support the notion that in web resource ranking indegree and outdegree are of fundamental importance. Rankings of webgraphs of different sizes and queries are presented to illustrate our analysis.

Ding, Chris; He, Xiaofeng; Husbands, Parry; Zha, Hongyuan; Simon, Horst

2001-10-01T23:59:59.000Z

183

A model for fast web mining prototyping  

Science Conference Proceedings (OSTI)

Web mining is a computation intensive task, even after the mining tool itself has been developed. Most mining software are developed ad-hoc and usually are not scalable nor reused for other mining tasks. The objective of this paper is to present a model ... Keywords: model, prototyping, web mining, web mining applications

Álvaro Pereira; Ricardo Baeza-Yates; Nivio Ziviani; Jesús Bisbal

2009-02-01T23:59:59.000Z

184

Computational aspects of data mining  

Science Conference Proceedings (OSTI)

The last decade has witnessed an impressive growth of Data Mining through algorithms and applications. Despite the advances, a computational theory of Data Mining is still largely outstanding. This paper discusses some aspects relevant to computation ...

Flaviu Adrian M?rginean

2003-05-01T23:59:59.000Z

185

Montana Coal Mining Code (Montana)  

Energy.gov (U.S. Department of Energy (DOE))

The Department of Labor and Industry is authorized to adopt rules pertaining to safety standards for all coal mines in the state. The Code requires coal mine operators to make an accurate map or...

186

Application of association rules mining to Named Entity Recognition and co-reference resolution for the Indonesian language  

Science Conference Proceedings (OSTI)

In this paper, we propose a new method, association rules mining for Named Entity Recognition (NER) and co-reference resolution. The method uses several morphological and lexical features such as Pronoun Class (PC) and Name Class ... Keywords: Indonesia, Indonesian language, NER, association rules mining, co-reference resolution, data mining, entity equivalence, information extraction, information retrieval, named entity recognition

Indra Budi; Stephane Bressan

2007-12-01T23:59:59.000Z

187

BUREAU OF MINES  

E-Print Network (OSTI)

Mines to conduct mineral surveys on U.S. Bureau of Land Management administered land designated as Wilderness Study Areas " •.. to determine the mineral values, if any, that may be present...." Results must be made available to the public and be submitted to the President and the Congress. This report presents the results of a Bureau of Mines mineral survey of a portion of the Clan Alpine Mountains Wilderness Study Area (NV-030-l02), Churchill County, NV. This open-file report will be summarized in a joint report published by the U.S. Geological Survey. The data were gathered and interpreted by Bureau of Mines personnel from Western Field Operations Center, E. 360 Third Avenue, Spokane, WA 99202. The report has been edited by members of the Branch of Mineral Land Assessment at the field center and

Mineral L; Assessmen Tf; Jerry E. Olson; Donald P. Hodel; Robert C. Horton; Director Preface

1976-01-01T23:59:59.000Z

188

Carbon Sequestration on Surface Mine Lands  

SciTech Connect

Since the implementation of the federal Surface Mining Control and Reclamation Act of 1977 (SMCRA) in May of 1978, many opportunities have been lost for the reforestation of surface mines in the eastern United States. Research has shown that excessive compaction of spoil material in the backfilling and grading process is the biggest impediment to the establishment of productive forests as a post-mining land use (Ashby, 1998, Burger et al., 1994, Graves et al., 2000). Stability of mine sites was a prominent concern among regulators and mine operators in the years immediately following the implementation of SMCRA. These concerns resulted in the highly compacted, flatly graded, and consequently unproductive spoils of the early post-SMCRA era. However, there is nothing in the regulations that requires mine sites to be overly compacted as long as stability is achieved. It has been cultural barriers and not regulatory barriers that have contributed to the failure of reforestation efforts under the federal law over the past 27 years. Efforts to change the perception that the federal law and regulations impede effective reforestation techniques and interfere with bond release must be implemented. Demonstration of techniques that lead to the successful reforestation of surface mines is one such method that can be used to change perceptions and protect the forest ecosystems that were indigenous to these areas prior to mining. The University of Kentucky initiated a large-scale reforestation effort to address regulatory and cultural impediments to forest reclamation in 2003. During the three years of this project 383,000 trees were planted on over 556 acres in different physiographic areas of Kentucky (Table 1, Figure 1). Species used for the project were similar to those that existed on the sites before mining was initiated (Table 2). A monitoring program was undertaken to evaluate growth and survival of the planted species as a function of spoil characteristics and reclamation practice. In addition, experiments were integrated within the reforestation effort to address specific questions pertaining to sequestration of carbon (C) on these sites.

Donald Graves; Christopher Barton; Richard Sweigard; Richard Warner; Carmen Agouridis

2006-03-31T23:59:59.000Z

189

Mining ideas from textual information  

Science Conference Proceedings (OSTI)

This approach introduces idea mining as process of extracting new and useful ideas from unstructured text. We use an idea definition from technique philosophy and we focus on ideas that can be used to solve technological problems. The rationale for the ... Keywords: Idea mining, Technology, Text classification, Text mining

Dirk Thorleuchter; Dirk Van den Poel; Anita Prinzie

2010-10-01T23:59:59.000Z

190

The lighting of underground mines  

SciTech Connect

This book describes mine lighting problems. It is intended as a textbook on mine lighting knowledge, a reference book for people needing information on the subject, and as a design guide for mine personnel who lack specific training in lighting principles.

Trotter, D.A.

1983-01-01T23:59:59.000Z

191

From data to knowledge mining  

Science Conference Proceedings (OSTI)

Most past approaches to data mining have been based on association rules. However, the simple application of association rules usually only changes the user's problem from dealing with millions of data points to dealing with thousands of rules. Although ... Keywords: Data Mining, Knowledge Cohesion, Ontology, Sense Making, Text Mining

Ana cristina Bicharra garcia; Inhauma Ferraz; Adriana s. Vivacqua

2009-11-01T23:59:59.000Z

192

NNSA's Sequoia Ranks as Fastest Supercomputer in World | National Nuclear  

National Nuclear Security Administration (NNSA)

Sequoia Ranks as Fastest Supercomputer in World | National Nuclear Sequoia Ranks as Fastest Supercomputer in World | National Nuclear Security Administration Our Mission Managing the Stockpile Preventing Proliferation Powering the Nuclear Navy Emergency Response Recapitalizing Our Infrastructure Continuing Management Reform Countering Nuclear Terrorism About Us Our Programs Our History Who We Are Our Leadership Our Locations Budget Our Operations Media Room Congressional Testimony Fact Sheets Newsletters Press Releases Speeches Events Social Media Video Gallery Photo Gallery NNSA Archive Federal Employment Apply for Our Jobs Our Jobs Working at NNSA Blog Home > NNSA Blog > NNSA's Sequoia Ranks as Fastest Supercomputer in World NNSA's Sequoia Ranks as Fastest Supercomputer in World Posted By Office of Public Affairs NNSA Sequoia, a supercomputer built for NNSA, has been named the fastest in the

193

The Discrete Brier and Ranked Probability Skill Scores  

Science Conference Proceedings (OSTI)

The Brier skill score (BSS) and the ranked probability skill score (RPSS) are widely used measures to describe the quality of categorical probabilistic forecasts. They quantify the extent to which a forecast strategy improves predictions with ...

Andreas P. Weigel; Mark A. Liniger; Christof Appenzeller

2007-01-01T23:59:59.000Z

194

Theory and Applications of the Minimum Spanning Tree Rank Histogram  

Science Conference Proceedings (OSTI)

A minimum spanning tree (MST) rank histogram (RH) is a multidimensional ensemble reliability verification tool. The construction of debiased, decorrelated, and covariance-homogenized MST RHs is described. Experiments using Euclidean L2, variance, ...

Daniel Gombos; James A. Hansen; Jun Du; Jeff McQueen

2007-04-01T23:59:59.000Z

195

Partition identity bijections related to sign-balance and rank  

E-Print Network (OSTI)

In this thesis, we present bijections proving partitions identities. In the first part, we generalize Dyson's definition of rank to partitions with successive Durfee squares. We then present two symmetries for this new ...

Boulet, Cilanne Emily

2005-01-01T23:59:59.000Z

196

Rank and inertia optimizations of two Hermitian quadratic matrix ...  

E-Print Network (OSTI)

cCollege of Mathematics Science, Liaocheng University, Liaocheng, Shandong ... equations, have been two classes of fundamental object of study in matrix ...... rank formulas and their applications were collected in some recent handbooks for .

197

On the kernelization of ranking r-CSP in tournaments  

E-Print Network (OSTI)

A Ranking r-Constraint Satisfaction Problem (ranking r-CSP) consists of a ground set of vertices V, an arity r > 2, a parameter k and a constraint system c, where c is a function which maps rankings of r-sized subsets of V to {0,1}. The objective is to decide if there exists a ranking ? of the vertices satisfying all but at most k constraints. Famous ranking r-CSP include the Feedback Arc Set in Tournaments and Betweenness in Tournaments problems. We consider these problems from the kernelization viewpoint. We first prove that Feedback Arc Set in Bipartite Tournaments admits a kernel with O(k^2) vertices, improving the previous bound of O(k^3) vertices. Next, we prove that so-called l_r-simply characterized ranking r-CSP admit linear vertex-kernels whenever they admit constant-factor approximation algorithms. This implies that r-Betweenness in Tournaments and r-Transitive Feedback Arc Set In Tournaments admit linear vertex-kernels. Finally, we consider another generalization of Feedback Arc Set in Tournaments...

Perez, Anthony

2012-01-01T23:59:59.000Z

198

Table 23. Coal Mining Productivity by State, Mine Type, and Mine Production Range, 2012  

U.S. Energy Information Administration (EIA) Indexed Site

Mining Productivity by State, Mine Type, and Mine Production Range, 2012 Mining Productivity by State, Mine Type, and Mine Production Range, 2012 (short tons produced per employee hour) U.S. Energy Information Administration | Annual Coal Report 2012 Table 23. Coal Mining Productivity by State, Mine Type, and Mine Production Range, 2012 (short tons produced per employee hour) U.S. Energy Information Administration | Annual Coal Report 2012 Mine Production Range (thousand short tons) Coal-Producing State, Region 1 and Mine Type Above 1,000 Above 500 to 1,000 Above 200 to 500 Above 100 to 200 Above 50 to 100 Above 10 to 50 10 or Under Total 2 Alabama 1.69 2.50 1.95 1.72 1.83 0.69 0.55 1.68 Underground 1.73 - - - 1.08 0.31 - 1.64 Surface 1.36 2.50 1.95 1.72 2.11 1.19 0.55 1.75 Alaska 5.98 - - - - - - 5.98 Surface 5.98 - - - - - - 5.98 Arizona 7.38 - - - - - - 7.38 Surface

199

Measured values of coal mine stopping resistance  

Science Conference Proceedings (OSTI)

As coal mines become larger, the number of stoppings in the ventilation system increases. Each stopping represents a potential leakage path which must be adequately represented in the ventilation model. Stopping resistance can be calculated using two methods, the USBM method, used to determine a resistance for a single stopping, and the MVS technique, in which an average resistance is calculated for multiple stoppings. Through MVS data collected from ventilation surveys of different subsurface coal mines, average resistances for stoppings were determined for stopping in poor, average, good, and excellent conditions. The calculated average stoppings resistance were determined for concrete block and Kennedy stopping. Using the average stopping resistance, measured and calculated using the MVS method, provides a ventilation modeling tool which can be used to construct more accurate and useful ventilation models. 3 refs., 3 figs.

Oswald, N.; Prosser, B.; Ruckman, R. [Mine Ventilation Services, Fresno, CA (United States)

2008-12-15T23:59:59.000Z

200

Heavy metals content in acid mine drainage at abandoned and active mining area  

Science Conference Proceedings (OSTI)

This study was conducted at former Barite Mine Tasik Chini and former iron mine Sungai Lembing in Pahang

2013-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "rank mining method" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


201

Surface coal mining technology: engineering and environmental aspects  

SciTech Connect

This survey of recommended methods, techniques and alternatives for selecting and designing surface coal mining systems is based on a review and evaluation of methods reported in the literature and applied in the field. The book is based on research conducted or sponsored by The Pennsylvania State University, the US Bureau of Mines, the US EPA, and the Polish Central Research and Design Institute for Openpit Mining. While the high price of petroleum has resulted in conservation efforts, total energy demand will still increase substantially in the years ahead. This increase will try out abilities to discover, extract and beneficiate fuels in the necessary volumes. Coal will eventually replace large amounts of petroleum fuels. A summary of the analyses required to lay out a surface mine, taking into consideration the limitations imposed by geology, equipment, reclamation, economics, and environmental control requirements, is provided.

Fung, R. (ed.)

1981-01-01T23:59:59.000Z

202

Mining Electrification: Data Collection of Battery Operated Mining Equipment  

Science Conference Proceedings (OSTI)

The mining industry has used electrically powered equipment for decades. However, problems related to battery charging and changing have prevented purchase and use of electric equipment in some sectors of the industry. Currently, mines use "conventional" chargers that have long charge times and that decrease optimal use of battery-powered equipment. The batteries most commonly used in underground mining operations are 128 volts, a range not yet adopted by fast-charge battery technology. Developing and in...

2011-12-16T23:59:59.000Z

203

Coal mining technology, economics and policy - 1984  

SciTech Connect

This book presents the papers given at a conference on US coal mines. Topics considered at the conference included coal preparation, fine coal and refuse dewatering, flotation, coal transport, storage, environmental controls, wetlands, farmland reclamation, acid rain, longwall mining, mine monitoring systems, occupational safety, training, surface mining, underground mining, water resources development, and the US export policy.

Not Available

1984-01-01T23:59:59.000Z

204

Superintegrable Systems and Higher Rank Factorizations  

SciTech Connect

We consider a class of two-dimensional super-integrable systems that can be considered as the natural generalization of some well known one-dimensional factorized systems. Using standard methods to find the shape-invariant intertwining operators we find an so(6) dynamical algebra and its Hamiltonian hierarchies. In particular we consider those associated to unitary representations that can be displayed by means of three-dimensional polyhedral lattices.

Negro, Javier; Calzada, Juan A.; Olmo, Mariano A. del [Departamento de Fisica Teorica, Atomica y Optica, Facultad de Ciencias, Universidad de Valladolid, E-47011 Valladolid (Spain)

2006-01-06T23:59:59.000Z

205

Hanford Treatment Facility Achieves First Gold Ranking for Sustainable  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Treatment Facility Achieves First Gold Ranking for Treatment Facility Achieves First Gold Ranking for Sustainable Design in EM Complex: New groundwater treatment facility will be Hanford's largest, greenest pump-and-treat system Hanford Treatment Facility Achieves First Gold Ranking for Sustainable Design in EM Complex: New groundwater treatment facility will be Hanford's largest, greenest pump-and-treat system May 1, 2012 - 12:00pm Addthis Workers use a lift to access part of the 200 West Groundwater Treatment Facility. Workers use a lift to access part of the 200 West Groundwater Treatment Facility. Pump-and-treat construction managers David Fink (left) and Delise Pargmann (right) review information for the LEED gold certification of the main process building for the 200 West Groundwater Treatment Facility.

206

Modified Phenomena Identification and Ranking Table (PIRT) for Uncertainty Analysis  

SciTech Connect

This paper describes a methodology of characterizing important phenomena, which is also part of a broader research by the authors called 'Modified PIRT'. The methodology provides robust process of phenomena identification and ranking process for more precise quantification of uncertainty. It is a two-step process of identifying and ranking methodology based on thermal-hydraulics (TH) importance as well as uncertainty importance. Analytical Hierarchical Process (AHP) has been used for as a formal approach for TH identification and ranking. Formal uncertainty importance technique is used to estimate the degree of credibility of the TH model(s) used to represent the important phenomena. This part uses subjective justification by evaluating available information and data from experiments, and code predictions. The proposed methodology was demonstrated by developing a PIRT for large break loss of coolant accident LBLOCA for the LOFT integral facility with highest core power (test LB-1). (authors)

Gol-Mohamad, Mohammad P.; Modarres, Mohammad; Mosleh, Ali [University of Maryland, College Park, MD 20742 (United States)

2006-07-01T23:59:59.000Z

207

Phenomena Identification and Ranking Technique (PIRT) Panel Meeting Summary Report  

Science Conference Proceedings (OSTI)

Phenomena Identification and Ranking Technique (PIRT) is a systematic way of gathering information from experts on a specific subject and ranking the importance of the information. NRC, in collaboration with DOE and the working group, conducted the PIRT exercises to identify safety-relevant phenomena for NGNP, and to assess and rank the importance and knowledge base for each phenomenon. The overall objective was to provide NRC with an expert assessment of the safety-relevant NGNP phenomena, and an overall assessment of R and D needs for NGNP licensing. The PIRT process was applied to five major topical areas relevant to NGNP safety and licensing: (1) thermofluids and accident analysis (including neutronics), (2) fission product transport, (3) high temperature materials, (4) graphite, and (5) process heat for hydrogen cogeneration.

Mark Holbrook

2007-07-01T23:59:59.000Z

208

NE-Rank: A Novel Graph-Based Keyphrase Extraction in Twitter  

Science Conference Proceedings (OSTI)

The massive growth of the micro-blogging service Twitter has shed the light on the challenging problem of summarizing a collection of large number of tweets. This paper attempts to extract topical key phrases that would represent topics in tweets. Due ... Keywords: Keyphrase Extraction, Graph-based Ranking, Hashtag, Twitter, PageRank, TextRank, NE-Rank

Abdelghani Bellaachia; Mohammed Al-Dhelaan

2012-12-01T23:59:59.000Z

209

DOE SBIR Phase II Final Report: Distributed Relevance Ranking in Heterogeneous Document Collections  

SciTech Connect

This report contains the comprehensive summary of the work performed on the SBIR Phase II project (“Distributed Relevance Ranking in Heterogeneous Document Collections”) at Deep Web Technologies (http://www.deepwebtech.com). We have successfully completed all of the tasks defined in our SBIR Proposal work plan (See Table 1 - Phase II Tasks Status). The project was completed on schedule and we have successfully deployed an initial production release of the software architecture at DOE-OSTI for the Science.gov Alliance's search portal (http://www.science.gov). We have implemented a set of grid services that supports the extraction, filtering, aggregation, and presentation of search results from numerous heterogeneous document collections. Illustration 3 depicts the services required to perform QuickRank™ filtering of content as defined in our architecture documentation. Functionality that has been implemented is indicated by the services highlighted in green. We have successfully tested our implementation in a multi-node grid deployment both within the Deep Web Technologies offices, and in a heterogeneous geographically distributed grid environment. We have performed a series of load tests in which we successfully simulated 100 concurrent users submitting search requests to the system. This testing was performed on deployments of one, two, and three node grids with services distributed in a number of different configurations. The preliminary results from these tests indicate that our architecture will scale well across multi-node grid deployments, but more work will be needed, beyond the scope of this project, to perform testing and experimentation to determine scalability and resiliency requirements. We are pleased to report that a production quality version (1.4) of the science.gov Alliance's search portal based on our grid architecture was released in June of 2006. This demonstration portal is currently available at http://science.gov/search30 . The portal allows the user to select from a number of collections grouped by category and enter a query expression (See Illustration 1 - Science.gov 3.0 Search Page). After the user clicks “search” a results page is displayed that provides a list of results from the selected collections ordered by relevance based on the query expression the user provided. Our grid based solution to deep web search and document ranking has already gained attention within DOE, other Government Agencies and a fortune 50 company. We are committed to the continued development of grid based solutions to large scale data access, filtering, and presentation problems within the domain of Information Retrieval and the more general categories of content management, data mining and data analysis.

Abe Lederman

2007-01-08T23:59:59.000Z

210

Mining Your Brain For Safety  

Science Conference Proceedings (OSTI)

About this Abstract. Meeting, COM 2011. Symposium, WORLD GOLD. Presentation Title, Mining Your Brain For Safety: A New Approach To Utilizing Your Best ...

211

Hungarian Mining and Metallurgical (OMBKE)  

Science Conference Proceedings (OSTI)

ORGANIZATION. Members work in six different sections within the Society. These are: Mining (coal and minerals); Oil and gas; Iron and steel; Nonferrous metals ...

212

Treatment of acid mine lakes.  

E-Print Network (OSTI)

??Mining of lignite in Lusatia has a long history of over 100 years. The extracted brown coal is utilized to generate electricity in three large… (more)

Schipek, Mandy

2011-01-01T23:59:59.000Z

213

A robust super-efficiency data envelopment analysis model for ranking of provincial gas companies in Iran  

Science Conference Proceedings (OSTI)

Conventional super-efficiency data envelopment analysis (DEA) models require the exact information of inputs or outputs. However, in many real world applications this simple assumption does not hold. Stochastic super-efficiency is one of recent methods ... Keywords: Data envelopment analysis, Rank, Robust optimization, Uncertainty

S. J. Sadjadi; H. Omrani; S. Abdollahzadeh; M. Alinaghian; H. Mohammadi

2011-09-01T23:59:59.000Z

214

Fuzzy Approach to Critical Bus Ranking under Normal and Line Outage Contingencies  

E-Print Network (OSTI)

Identification of critical or weak buses for a given operating condition is an important task in the load dispatch centre. It has become more vital in view of the threat of voltage instability leading to voltage collapse. This paper presents a fuzzy approach for ranking critical buses in a power system under normal and network contingencies based on Line Flow index and voltage profiles at load buses. The Line Flow index determines the maximum load that is possible to be connected to a bus in order to maintain stability before the system reaches its bifurcation point. Line Flow index (LF index) along with voltage profiles at the load buses are represented in Fuzzy Set notation. Further they are evaluated using fuzzy rules to compute Criticality Index. Based on this index, critical buses are ranked. The bus with highest rank is the weakest bus as it can withstand a small amount of load before causing voltage collapse. The proposed method is tested on Five Bus Test System.

Shankar, Shobha

2011-01-01T23:59:59.000Z

215

Effective temporal data classification by integrating sequential pattern mining and probabilistic induction  

Science Conference Proceedings (OSTI)

Data classification is an important topic in the field of data mining due to its wide applications. A number of related methods have been proposed based on the well-known learning models such as decision tree or neural network. Although data classification ... Keywords: Classification, Data mining, Scoring method, Sequential pattern, Temporal data

Vincent S. Tseng; Chao-Hui Lee

2009-07-01T23:59:59.000Z

216

A Glossary of Mining & Metallurgical Terms, 1881  

Science Conference Proceedings (OSTI)

Jul 18, 1981... or two other sources, to serve as an appendix to a new work on mining ... AIME, the American Institute of Mining, Metallurgical, and Petroleum ...

217

MINES CONTENT MANAGEMENT SYSTEM WORKING WITH HYPERLINKS  

E-Print Network (OSTI)

-page: http://inside.mines.edu/~msimoes and http://aceps.mines.edu Citation Profile (Scholar Google): http://scholar.google.com

218

Coal mining technology: theory and practice  

SciTech Connect

This book is intended for use in teaching coal-mine design to undergraduate mining engineering students. The preliminary chapters cover the geology of coal, coal statistics (classification, distribution, resources etc.), exploration and mine planning and development. Auxiliary operations such as ventilation, drainage and ground control are considered in some detail before the chapters on conventional, continuous, longwall and shortwall mining. Haulage and electric power in mines are included, as are chapters on surface mining, mine drainage, communication and lighting. Ten case-studies of underground mining systems are discussed. 70 references.

Stefanko, R.

1983-01-01T23:59:59.000Z

219

Uranium Mining Tax (Nebraska) | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Sites Power Marketing Administration Other Agencies You are here Home Savings Uranium Mining Tax (Nebraska) Uranium Mining Tax (Nebraska) Eligibility Agricultural...

220

Proceedings, 26th international conference on ground control in mining  

Science Conference Proceedings (OSTI)

Papers are presented under the following topic headings: multiple-seam mining, surface subsidence, coal pillar, bunker and roadway/entry supports, mine design and highwall mining, longwall, roof bolting, stone and hardrock mining, rock mechanics and mine seal.

Peng, S.S.; Mark, C.; Finfinger, G. (and others) (eds.)

2007-07-01T23:59:59.000Z

Note: This page contains sample records for the topic "rank mining method" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


221

GICHD mine dog testing project : soil sample results #5.  

SciTech Connect

A mine dog evaluation project initiated by the Geneva International Center for Humanitarian Demining is evaluating the capability and reliability of mine detection dogs. The performance of field-operational mine detection dogs will be measured in test minefields in Afghanistan containing actual, but unfused landmines. Repeated performance testing over two years through various seasonal weather conditions will provide data simulating near real world conditions. Soil samples will be obtained adjacent to the buried targets repeatedly over the course of the test. Chemical analysis results from these soil samples will be used to evaluate correlations between mine dog detection performance and seasonal weather conditions. This report documents the analytical chemical methods and results from the fifth batch of soils received. This batch contained samples from Kharga, Afghanistan collected in June 2003.

Barnett, James L.; Phelan, James M.; Archuleta, Luisa M.; Donovan, Kelly L.; Bender, Susan Fae Ann

2004-01-01T23:59:59.000Z

222

GICHD mine dog testing project - soil sample results #4.  

SciTech Connect

A mine dog evaluation project initiated by the Geneva International Center for Humanitarian Demining is evaluating the capability and reliability of mine detection dogs. The performance of field-operational mine detection dogs will be measured in test minefields in Afghanistan and Bosnia containing actual, but unfused landmines. Repeated performance testing over two years through various seasonal weather conditions will provide data simulating near real world conditions. Soil samples will be obtained adjacent to the buried targets repeatedly over the course of the test. Chemical analysis results from these soil samples will be used to evaluate correlations between mine dog detection performance and seasonal weather conditions. This report documents the analytical chemical methods and results from the fourth batch of soils received. This batch contained samples from Kharga, Afghanistan collected in April 2003 and Sarajevo, Bosnia collected in May 2003.

Barnett, James L.; Phelan, James M.; Archuleta, Luisa M.; Wood, Tyson B.; Donovan, Kelly L.; Bender, Susan Fae Ann

2003-08-01T23:59:59.000Z

223

GICHD Mine Dog Testing Project - Soil Sample Results No.3  

SciTech Connect

A mine dog evaluation project initiated by the Geneva International Center for Humanitarian Demining is evaluating the capability and reliability of mine detection dogs. The performance of field-operational mine detection dogs will be measured in test minefields in Afghanistan and Bosnia containing actual, but unfused landmines. Repeated performance testing over two years through various seasonal weather conditions will provide data simulating near real world conditions. Soil samples will be obtained adjacent to the buried targets repeatedly over the course of the test. Chemical analysis results from these soil samples will be used to evaluate correlations between mine dog detection performance and seasonal weather conditions. This report documents the analytical chemical methods and results from the third batch of soils received. This batch contained samples from Kharga, Afghanistan collected in October 2002.

PHELAN, JAMES M.; BARNETT, JAMES L.; BENDER, SUSAN FAE ANN; ARCHULETA, LUISA M.

2003-03-01T23:59:59.000Z

224

Local Equivalence of Rank-Two Quantum Mixed States  

E-Print Network (OSTI)

We investigate the equivalence of quantum mixed states under local unitary transformations. For a class of rank-two mixed states, a sufficient and necessary condition of local equivalence is obtained by giving a complete set of invariants under local unitary transformations, such that two states in this class are locally equivalent if and only if all these invariants have equal values for them.

Sergio Albeverio; Shao-Ming Fei; Debashish Goswami

2007-11-08T23:59:59.000Z

225

Cross community news event summary generation based on collaborative ranking  

Science Conference Proceedings (OSTI)

In order to make the users to access their interested news content conveniently, news analysis has been a hot research topic for a long time. However, most of the previous works only focus on news event detection, tracking, etc. Little attention has ... Keywords: co-ranking, event analysis, news summarization

Chunxi Liu; Weigang Zhang; Shuqiang Jiang; Qingming Huang

2012-09-01T23:59:59.000Z

226

Google's PageRank: The Math Behind the Search Engine  

E-Print Network (OSTI)

Google's PageRank: The Math Behind the Search Engine Rebecca S. Wills Department of Mathematics on a given day. Even though there are many internet search engines, Google, Yahoo!, and MSN receive over 81 equals that of Google [11], Google continues to thrive as the search engine of choice receiving over 46

Lakoba, Taras I.

227

Lignites and Low Rank Coals Conference: Proceedings 2001  

Science Conference Proceedings (OSTI)

EPRI and the Technische Vereinigung des Grosskraftswerkbetreiber (Technical Association of Large Power Plant Operators) (VGB) jointly held a Conference on Lignites and Low Rank Coals in Wiesbaden, Germany, May 16-18, 2001. These Proceedings include the plenary papers, technical session papers, and rapporteurs' summaries from the conference.

2002-03-25T23:59:59.000Z

228

Ranking and selection for steady-state simulation  

Science Conference Proceedings (OSTI)

We present and evaluate two ranking-and-selection procedures for use in steady-state simulation experiments when the goal is to find which among a finite number of alternative systems has the largest or smallest long-run average performance. Both procedures ...

David Goldsman; William S. Marshall; Seong-Hee Kim; Barry L. Nelson

2000-12-01T23:59:59.000Z

229

Object Recognition by Sequential Figure-Ground Ranking  

Science Conference Proceedings (OSTI)

We present an approach to visual object-class segmentation and recognition based on a pipeline that combines multiple figure-ground hypotheses with large object spatial support, generated by bottom-up computational processes that do not exploit knowledge ... Keywords: Learning and ranking, Object recognition, Semantic segmentation

João Carreira; Fuxin Li; Cristian Sminchisescu

2012-07-01T23:59:59.000Z

230

Technology achievement index 2009: ranking and comparative study of nations  

Science Conference Proceedings (OSTI)

Ranking of 91 countries based on the Technology Achievement Index 2009 (TAI-09) (2009 refers to the year in which most of data collection was carried out.) is reported. Originally proposed in 2002, the TAI is a composite indicator which aggregates national ... Keywords: Human skills, Technology achievement index, Technology capability, Technology capability spread, Technology creation, Technology development, Technology diffusion

Anthony Nasir; Tariq Mahmood Ali; Sheikh Shahdin; Tariq Ur Rahman

2011-04-01T23:59:59.000Z

231

Cumulative % of topics that retrieve homepage by given rank  

Science Conference Proceedings (OSTI)

... bXcTdWYef @&' aE&6 F261ECRV RVVcXdWVef @&'6 E1aE&6 F261ECRVV RRc`WXef 0 10 20 30 40 50 60 70 80 90100 Rank 0 10 20 30 40 50 ...

2002-06-07T23:59:59.000Z

232

Is there a grand challenge or X-prize for data mining?  

Science Conference Proceedings (OSTI)

This panel will discuss possible exciting and motivating Grand Challenge problems for Data Mining, focusing on bioinformatics, multimedia mining, link mining, text mining, and web mining. Keywords: X-prize, bioinformatics, data mining, grand challenge, image mining, link mining, multimedia mining, text mining, video mining, web mining

Gregory Piatetsky-Shapiro; Robert Grossman; Chabane Djeraba; Ronen Feldman; Lise Getoor; Mohammed Zaki

2006-08-01T23:59:59.000Z

233

Mine safety: Occupational health -- general studies. (Latest citations from the NTIS bibliographic database). Published Search  

Science Conference Proceedings (OSTI)

The bibliography contains citations concerning occupational hazards in the metals and fossil fuel mining environment. Topics include the detection, control and effects of respirable dust, safety aspects of various mining methods, gas detection, and field surveys of specific operations. Some attention is given to legislative aspects of mine safety and benefits to the disabled.(Contains 50-250 citations and includes a subject term index and title list.) (Copyright NERAC, Inc. 1995)

NONE

1996-07-01T23:59:59.000Z

234

Mine safety: Occupational health -- general studies. (Latest citations from the NTIS Bibliographic database). Published Search  

Science Conference Proceedings (OSTI)

The bibliography contains citations concerning occupational hazards in the metals and fossil fuel mining environment. Topics include the detection, control and effects of respirable dust, safety aspects of various mining methods, gas detection, and field surveys of specific operations. Some attention is given to legislative aspects of mine safety and benefits to the disabled. (Contains 250 citations and includes a subject term index and title list.)

Not Available

1994-04-01T23:59:59.000Z

235

Data mining tasks and methods: spatial analysis  

Science Conference Proceedings (OSTI)

The number and the size of spatial databases are rapidly growing in applications such as geomarketing, astrophysics, and molecular biology. This is mainly due to the amazing progress in scientific instruments such as satellites with remote sensors or ...

Martin Ester

2002-01-01T23:59:59.000Z

236

Web Mining – the Ontology Approach  

E-Print Network (OSTI)

The World Wide Web today provides users access to extremely large number of Web sites many of which contain information of education and commercial values. Due to the unstructured and semi-structured nature of Web pages and the design idiosyncrasy of Web sites, it is a challenging task to develop digital libraries for organizing and managing digital content from the Web. Web mining research, in its last 10 years, has on the other hand made significant progress in categorizing and extracting content from the Web. In this paper, we represent ontology as a set of concepts and their inter-relationships relevant to some knowledge domain. The knowledge provided by ontology is extremely useful in defining the structure and scope for mining Web content. We will therefore review Web mining and describe the ontology approach to Web mining. The application of these Web mining techniques to digital library systems will also be discussed.

Ee-peng Lim; Aixin Sun

2006-01-01T23:59:59.000Z

237

Marine clathrate mining and sediment separation  

DOE Patents (OSTI)

A method and apparatus for mining of hydrocarbons from a hydrocarbon-containing clathrate such as is found on the ocean floor. The hydrocarbon containing clathrate is disaggregated from sediment by first disrupting clathrate-containing strata using continuous mining means such as a rotary tilling drum, a fluid injector, or a drill. The clathrate-rich portion of sediment thus disrupted from the sea floor strata are carried through the apparatus to regions of relative lower pressure and/or relative higher temperature where the clathrate further dissociates into component hydrocarbons and water. The hydrocarbon is recovered with the assistance of a gas that is injected and buoys the hydrocarbon containing clathrate helping it to rise to regions of lower pressure and temperature where hydrocarbon is released. The sediment separated from the hydrocarbon returns to the ocean floor.

Borns, David J. (Albuquerque, NM); Hinkebein, Thomas E. (Albuquerque, NM); Lynch, Richard W. (Albuquerque, NM); Northrop, David A. (Albuquerque, NM)

2001-01-01T23:59:59.000Z

238

Data Mining and Data Warehousing, July 31, 1999, NUS, Singapore Data Mining  

E-Print Network (OSTI)

Data Mining and Data Warehousing, July 31, 1999, NUS, Singapore 1 Welcome Data Mining from Large Email: xwu@ kais.mines.edu Home Page: http://kais.mines.edu/~xwu/ #12;Data Mining and Data Warehousing, July 31, 1999, NUS, Singapore 2 Outline s Why Large Databases? s How Large is "Very Large"? s Data

Wu, Xindong

239

Proceedings of the sixteenth international symposium on mine planning and equipment selection (MPES 2007) and the tenth international symposium on environmental issues and waste management in energy and mineral production (SWEMP 2007)  

Science Conference Proceedings (OSTI)

Papers presented at MPES 2007 covered: coal mining and clean coal processing technologies; control, design and planning of surface and underground mines; drilling, blasting and excavation engineering; mining equipment selection; automation and information technology; maintenance and production management for mines and mining systems; health, safety and environment; cost effective methods of mine reclamation; mine closure and waste disposal; and rock mechanics and geotechnical issues. Papers from SWEMP 2007 discussed methods and technologies for assessing, minimizing and preventing environmental problems associated with mineral and energy production. Topics included environmental impacts of coal-fired power projects; emission control in thermal power plants; greenhouse gas abatement technologies; remediation of contaminated soil and groundwater; environmental issues in surface and underground mining of coal, minerals and ores; managing mine waste and mine water; and control of effluents from mineral processing, metallurgical and chemical plants.

Singhal, R.K.; Fytas, K.; Jongsiri, S.; Ge, Hao (eds.) [Universite Laval, Quebec, PQ (Canada)

2007-07-01T23:59:59.000Z

240

Flooded Underground Coal Mines: A Significant Source of Inexpensive Geothermal Energy  

DOE Green Energy (OSTI)

Many mining regions in the United States contain extensive areas of flooded underground mines. The water within these mines represents a significant and widespread opportunity for extracting low-grade, geothermal energy. Based on current energy prices, geothermal heat pump systems using mine water could reduce the annual costs for heating to over 70 percent compared to conventional heating methods (natural gas or heating oil). These same systems could reduce annual cooling costs by up to 50 percent over standard air conditioning in many areas of the country. (Formatted full-text version is released by permission of publisher)

Watzlaf, G.R.; Ackman, T.E.

2007-04-01T23:59:59.000Z

Note: This page contains sample records for the topic "rank mining method" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


241

Coal mining technology, economics and policy - 1984  

SciTech Connect

This book presents the papers given at the American Mining Congress International Coal Show held in 1984. Topics considered at the conference included coal preparation, environmental controls, longwall mining, management, safety, surface mining operations, underground mining operations, and US transportation and export policy.

Not Available

1984-01-01T23:59:59.000Z

242

Coal mining technology, economics and policy 1990  

SciTech Connect

The conference began with several presentations on the US coal energy policy and trends in the coal industry, including tax impacts and changes in environmental regulations. Technical topics included diesel exhaust emissions in underground mines; use of wetlands; occupational safety; land reclamation techniques; and advanced technologies for longwall mining, surface mining, and underground mining. Forty-two papers have been indexed separately.

Not Available

1990-01-01T23:59:59.000Z

243

Coal mining technology, economics and policy 1986  

SciTech Connect

This book presents the papers given at a conference on coal mining and coal preparation. Topics considered at the conference included fluidized-bed combustion, thermal drying, communications, environmental controls, ground subsidence with longwall mining, electric utilities, mine emergency planning, surface mining, dragline failures, rail transport, underground face operations, and remote seam mapping.

Not Available

1986-01-01T23:59:59.000Z

244

Coal mining technology, economics and policy - 1986  

SciTech Connect

This book presents the papers given at a conference on coal mining. Topics considered at the conference included coal preparation, communications, environmental controls, current regulatory issues regarding ground subsidence with longwall mining, personnel management, equipment manufacturers, engineers, contractors, safety and health aspects of mine emergency planning, surface mining operations, coal transport, underground face operations, and underground service operators.

Not Available

1986-01-01T23:59:59.000Z

245

ranking of utilities by demand charge? | OpenEI Community  

Open Energy Info (EERE)

ranking of utilities by demand charge? ranking of utilities by demand charge? Home > Groups > Utility Rate Sorry..simple question because i am a bit dumb. How do I download the utility rate data in CSV so i can sort by demand charge? Or can i sort by demand charge in the API? New to this API stuff. Many thanks/ Submitted by Apin101 on 26 November, 2013 - 07:12 1 answer Points: 0 There is currently no way to sort the responses, but since you are downloading in a CSV format you can sort most responses in Excel (or a spreadsheet editor). Another option is to run direct Ask queries and specify a property to sort on (see massive URL below). To do any sorting on an element of a packed array like DemandWeekdaySchedule would require custom logic in the result spreadsheet, or custom scripting of some kind. The new utility rate custom

246

ranking of utilities by demand charge? | OpenEI Community  

Open Energy Info (EERE)

ranking of utilities by demand charge? ranking of utilities by demand charge? Home > Groups > Utility Rate Sorry..simple question because i am a bit dumb. How do I download the utility rate data in CSV so i can sort by demand charge? Or can i sort by demand charge in the API? New to this API stuff. Many thanks/ Submitted by Apin101 on 26 November, 2013 - 07:12 1 answer Points: 0 There is currently no way to sort the responses, but since you are downloading in a CSV format you can sort most responses in Excel (or a spreadsheet editor). Another option is to run direct Ask queries and specify a property to sort on (see massive URL below). To do any sorting on an element of a packed array like DemandWeekdaySchedule would require custom logic in the result spreadsheet, or custom scripting of some kind. The new utility rate custom

247

Shaft mines can get power without armor  

Science Conference Proceedings (OSTI)

A Pennsylvania coal operator has been able to install neoprene jacketed mine power feeder (MPF) cable in an airshaft without the use of expensive armored power cables. Armored cables traditionally have been favored in applications where the cable is dropped vertically because their galvanized metal shielding protects the cable as it is dragged across rough ground and stretched by its own weight as it is lowered into the hole. But armored cable poses some problems. It is as much as $20 per foot more expensive than MPF cable. Also, sinking armored cables is particularly difficult when space is limited because the cable must be laid out on the ground before it is lowered into the hole. The technique that allowed Pennsylvania Mines Corp. to install two 750-ft-long, 15-kv cables at is 400,000-tpy Tunnelton mine, near New Alexandria, Pa., was devised by J.H. Service Co.'s Indianola, Pa., branch office. The method involves feeding MPF cable from a spool on a truck equipped with special braking devices, over a steel drum that acts as a sheave, directly into a mine shaft or borehole. Robert C. Kadyk, a sales manager with J.H. Service, says that while this is not the first time standard MPF cable has been used in a borehole or shaft, the cables are not usually used in these cases because there were no dependable methods for holding the cable steady as it was lowered into the hole to keep it from abrading against the sides of the borehole or shaft. Also, dragging MPF cable through the woods invariably damages it. With its cable sinking method, J.H. Service vulcanizes stainless steel kellems grips into the cable about every 100 ft. The interval varies with the weight and diameter of the cable, depth of the hole, and length of the kellems grip. One twisted steel messenger wire is attached to each kellems grip to displace the weight of the cable as it takes its trip to the mine floor.

Brezovec, D.

1984-02-01T23:59:59.000Z

248

Weighted order statistic classifiers with large rank-order margin.  

Science Conference Proceedings (OSTI)

We describe how Stack Filters and Weighted Order Statistic function classes can be used for classification problems. This leads to a new design criteria for linear classifiers when inputs are binary-valued and weights are positive . We present a rank-based measure of margin that can be directly optimized as a standard linear program and investigate its effect on generalization error with experiment. Our approach can robustly combine large numbers of base hypothesis and easily implement known priors through regularization.

Porter, R. B. (Reid B.); Hush, D. R. (Donald R.); Theiler, J. P. (James P.); Gokhale, M. (Maya)

2003-01-01T23:59:59.000Z

249

Mining and Reclamation Technology Symposium  

SciTech Connect

The Mining and Reclamation Technology Symposium was commissioned by the Mountaintop Removal Mining/Valley Fill Environmental Impact Statement (EIS) Interagency Steering Committee as an educational forum for the members of the regulatory community who will participate in the development of the EIS. The Steering Committee sought a balanced audience to ensure the input to the regulatory community reflected the range of perspectives on this complicated and emotional issue. The focus of this symposium is on mining and reclamation technology alternatives, which is one of eleven topics scheduled for review to support development of the EIS. Others include hydrologic, environmental, ecological, and socio-economic issues.

None Available

1999-06-24T23:59:59.000Z

250

Sustainability of the top ranked restaurants in France  

E-Print Network (OSTI)

Since 1973, the Gault-Millau Guide (GM) is publishing each year a ranking of the best restaurants based on “toques”. During more than 25 years, on a scale of 20, the best restaurants were awarded 19 or 20 (4 toques), followed by restaurants graded 17 or 18 (3 toques). Out of 1600 restaurants listed in GM in 1974, only 27 (less than 2%) had at least 3 toques. The notation was changed in 2010 to allow 5 and 4 toques to the best restaurants but basically the scale remains equivalent to the previous one. In 2010, out of the 5140 restaurants listed in GM, only 64 were ranked in the top categories (less than 1.3%) (Table 1). The objective of this short note is to review the list of the top ranked restaurants from 1974 to 2010 and examine the sustainability of the grades of these restaurants over time. The migration and default rates are presented for selected years over the period under study. It is shown that these rates are relatively stable over time. 1 Past research on sustainability of restaurants has focused mostly on quantitative factors and bankruptcy rates. Restaurant failures have been attributed to economic and social factors, financial performance, competition and legal restrictions, or even government intervention. 2 Bankruptcy rates are relatively easy to get but are narrow by nature since they do not include change-of-ownership or they do not take into account the organizational life cycle of restaurants.

J. François Outreville

2011-01-01T23:59:59.000Z

251

Low-rank coal oil agglomeration product and process  

DOE Patents (OSTI)

A selectively-sized, raw, low-rank coal is processed to produce a low ash and relative water-free agglomerate with an enhanced heating value and a hardness sufficient to produce a non-decrepitating, shippable fuel. The low-rank coal is treated, under high shear conditions, in the first stage to cause ash reduction and subsequent surface modification which is necessary to facilitate agglomerate formation. In the second stage the treated low-rank coal is contacted with bridging and binding oils under low shear conditions to produce agglomerates of selected size. The bridging and binding oils may be coal or petroleum derived. The process incorporates a thermal deoiling step whereby the bridging oil may be completely or partially recovered from the agglomerate; whereas, partial recovery of the bridging oil functions to leave as an agglomerate binder, the heavy constituents of the bridging oil. The recovered oil is suitable for recycling to the agglomeration step or can serve as a value-added product.

Knudson, Curtis L. (Grand Forks, ND); Timpe, Ronald C. (Grand Forks, ND); Potas, Todd A. (Plymouth, MN); DeWall, Raymond A. (Grand Forks, ND); Musich, Mark A. (Grand Forks, ND)

1992-01-01T23:59:59.000Z

252

Low-rank coal oil agglomeration product and process  

DOE Patents (OSTI)

A selectively-sized, raw, low-rank coal is processed to produce a low ash and relative water-free agglomerate with an enhanced heating value and a hardness sufficient to produce a non-degradable, shippable fuel. The low-rank coal is treated, under high shear conditions, in the first stage to cause ash reduction and subsequent surface modification which is necessary to facilitate agglomerate formation. In the second stage the treated low-rank coal is contacted with bridging and binding oils under low shear conditions to produce agglomerates of selected size. The bridging and binding oils may be coal or petroleum derived. The process incorporates a thermal deoiling step whereby the bridging oil may be completely or partially recovered from the agglomerate; whereas, partial recovery of the bridging oil functions to leave as an agglomerate binder, the heavy constituents of the bridging oil. The recovered oil is suitable for recycling to the agglomeration step or can serve as a value-added product.

Knudson, C.L.; Timpe, R.C.; Potas, T.A.; DeWall, R.A.; Musich, M.A.

1992-11-10T23:59:59.000Z

253

Interactive mining of high utility patterns over data streams  

Science Conference Proceedings (OSTI)

High utility pattern (HUP) mining over data streams has become a challenging research issue in data mining. When a data stream flows through, the old information may not be interesting in the current time period. Therefore, incremental HUP mining is ... Keywords: Data mining, Data streams, High utility pattern mining, Incremental mining, Interactive mining, Knowledge discovery

Chowdhury Farhan Ahmed; Syed Khairuzzaman Tanbeer; Byeong-Soo Jeong; Ho-Jin Choi

2012-11-01T23:59:59.000Z

254

A Review of Operations Research in Mine Planning  

Science Conference Proceedings (OSTI)

Applications of operations research to mine planning date back to the 1960s. Since that time, optimization and simulation, in particular, have been applied to both surface and underground mine planning problems, including mine design, long-and short-term ... Keywords: dispatching, equipment selection, literature review, mine design, mine planning, open-pit mining, optimization, production scheduling, simulation, underground mining

Alexandra M. Newman; Enrique Rubio; Rodrigo Caro; Andrés Weintraub; Kelly Eurek

2010-05-01T23:59:59.000Z

255

Proposal: Survey of Climate Data Mining  

E-Print Network (OSTI)

Global climate change has been a discussion topic for years, finally culminating as a significant problem and a national defense issue according to the 2010 Quadrennial Defense Review. From weather to ecological data, the planet is continuously being monitored by researchers to collect spatio-temporal climate data. With the immense amount of data collected, the challenge is making sense of the data by building models and studying the climatic events that deviate and correlate to the models. Data mining is now being used for this research and has four related problems: preprocessing data and applying data mining techniques, outlier and anomaly detection, evaluation techniques and methods, and data visualization. This proposed paper will present a broad survey of these issues by first discussing preprocessing techniques to remove variation and other data integrity issues, including a discussion on the two types of outliers: raw data outliers and outliers that represent interesting climate events. Next this paper will discuss common data mining techniques for building models, including association analysis, clustering, and ICA, and discovering interesting outlier/anomalies using techniques including K-NN classification, K-means clustering, and wavelet analysis. Third, evaluation techniques will be covered through descriptions of some examples and case studies. Finally, issues and techniques of climate data visualization will be discussed including proposed techniques to visualize interesting features while maintaining spatial and temporal aspects. 1

Jason W. Powell

2010-01-01T23:59:59.000Z

256

Microbiological treatment of uranium mine waters  

SciTech Connect

Percolation of uranium mine discharge water through Ambrosia Lake, NM, soil is shown to be an effective method for lowering selenium, uranium, molybdenum, and sulfate concentrations in the mine water. Selenium concentrations were lowered from approx.1.6 to <0.05 mg/L by reduction of soluble selenate and selenite to insoluble selenium metal. This reaction is most likely performed by bacteria belonging to the genus Clostridium. In addition, sulfate-reducing bacteria in the soil, such as Desulfovibrio bacteria, metabolize sulfate to hydrogen sulfide, which reacts with uranyl and molybdate ions to form insoluble uranium and molybdenum species. The concentrations of sulfate, uranium, and molybdenum were reduced to less than 600, 0.1, and 0.05 mg/L, respectively. A qualitative understanding of the effects of mine water temperature, flow rate, and nutrients on metals removal is provided. The process was successfully field tested for 7 months in a soil column 1.5 m deep. 13 references, 3 figures, 4 tables.

Kauffman, J.W.; Laughlin, W.C.; Baldwin, R.A.

1986-03-01T23:59:59.000Z

257

Differentiating data- and text-mining terminology  

Science Conference Proceedings (OSTI)

When a new discipline emerges it usually takes some time and lots of academic discussion before concepts and terms get standardised. Such a new discipline is text mining. In a groundbreaking paper, Untangling text data mining, ... Keywords: IR, KDD, TDM, algorithms, database queries, documentation, full-text retrieval, information retrieval, knowledge creation, knowledge discovery, knowledge management, languages, measurement, metadata, text data mining, text mining, text-mining, theory

Jan H. Kroeze; Machdel C. Matthee; Theo J. D. Bothma

2003-09-01T23:59:59.000Z

258

Mining association rules for the quality improvement of the production process  

Science Conference Proceedings (OSTI)

Academics and practitioners have a common interest in the continuing development of methods and computer applications that support or perform knowledge-intensive engineering tasks. Operations management dysfunctions and lost production time are problems ... Keywords: Association rule mining, Continuous improvement, Data mining, Drilling product manufacturing, Industrial maintenance, Knowledge discovery

Bernard Kamsu-Foguem; Fabien Rigal; FéLix Mauget

2013-03-01T23:59:59.000Z

259

Data mining and statistical techniques for characterizing the performance of thin-film photovoltaic modules  

Science Conference Proceedings (OSTI)

A method for characterizing the performance ratio of thin-film photovoltaic modules based on the use of data mining and statistical techniques is developed. In general, this parameter changes when modules are working in outdoor conditions depending on ... Keywords: Data mining, Performance ratio, Photovoltaic modules, Solar spectral distribution, Statistical models

Rafael Moreno Sáez, Mariano Sidrach-De-Cardona, Llanos Mora-López

2013-12-01T23:59:59.000Z

260

Independent component analysis: Mining microarray data for fundamental human gene expression modules  

Science Conference Proceedings (OSTI)

As public microarray repositories rapidly accumulate gene expression data, these resources contain increasingly valuable information about cellular processes in human biology. This presents a unique opportunity for intelligent data mining methods to ... Keywords: Data mining, Gene modules, Independent component analysis, Microarrays, Parthenolide

Jesse M. Engreitz; Bernie J. Daigle, Jr.; Jonathan J. Marshall; Russ B. Altman

2010-12-01T23:59:59.000Z

Note: This page contains sample records for the topic "rank mining method" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


261

Coal Mining Reclamation (North Dakota)  

Energy.gov (U.S. Department of Energy (DOE))

The Reclamation Division of the Public Service Commission is tasked with administering the regulation of surface coal mining and reclamation. Specific regulations can be found in article 69-05.2 of...

262

Taxonomy-superimposed graph mining  

Science Conference Proceedings (OSTI)

New graph structures where node labels are members of hierarchically organized ontologies or taxonomies have become commonplace in different domains, e.g., life sciences. It is a challenging task to mine for frequent patterns in this new graph model ...

Ali Cakmak; Gultekin Ozsoyoglu

2008-03-01T23:59:59.000Z

263

Mining outliers in spatial networks  

Science Conference Proceedings (OSTI)

Outlier analysis is an important task in data mining and has attracted much attention in both research and applications. Previous work on outlier detection involves different types of databases such as spatial databases, time series databases, biomedical ...

Wen Jin; Yuelong Jiang; Weining Qian; Anthony K. H. Tung

2006-04-01T23:59:59.000Z

264

School of Mines Undergraduate Bulletin  

E-Print Network (OSTI)

of Courses . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 Chemical Engineering Wide Web address: http://www.mines.edu/ Academic department and division telephone numbers are Chemical fields related to uthe discovery and recovery of the Earth's resources, u their conversion to materials

265

Mining Conveyor Systems Marketing Kit  

Science Conference Proceedings (OSTI)

These conveyor-systems marketing guidelines are aimed at utility sales and marketing personnel who wish to call on customers who currently mine various minerals, but have limited expertise in the use of conveyor systems.

1999-10-19T23:59:59.000Z

266

Proceedings, 27th international conference on ground control in mining  

Science Conference Proceedings (OSTI)

Topics covered include: coal bumps and rockbursts, surface subsidence, surface mining, mine seals, longwall mining, pillars, roof bolting, rock mechanics and standing supports.

Peng, S.S.; Mark, C.; Finfinger, G. (and others) (eds.)

2008-07-01T23:59:59.000Z

267

MODELING OF STATIC MINING SUBSIDENCE IN A NONLINEAR MEDIUM  

E-Print Network (OSTI)

Static Evaluation of Mining Subsidence," Rep. No. LBL-11356,MODELING OF STATIC MINING SUBSIDENCE IN A NONLINEAR MEDIUMMODELING OF STATIC MINING SUBSIDENCE IN A NONLINEAR ~lliDIUM

Ratigan, J.L.

2013-01-01T23:59:59.000Z

268

Opportunities to Reduce Energy and Water Intensity of Mining ...  

Science Conference Proceedings (OSTI)

Presentation Title, Opportunities to Reduce Energy and Water Intensity of Mining ... bearing on the value of mining projects and the image of the mining industry; ...

269

Low-rank coal research: Volume 3, Combustion research: Final report. [Great Plains  

DOE Green Energy (OSTI)

Volume III, Combustion Research, contains articles on fluidized bed combustion, advanced processes for low-rank coal slurry production, low-rank coal slurry combustion, heat engine utilization of low-rank coals, and Great Plains Gasification Plant. These articles have been entered individually into EDB and ERA. (LTN)

Mann, M. D.; Hajicek, D. R.; Zobeck, B. J.; Kalmanovitch, D. P.; Potas, T. A.; Maas, D. J.; Malterer, T. J.; DeWall, R. A.; Miller, B. G.; Johnson, M. D.

1987-04-01T23:59:59.000Z

270

Graph-based ranking algorithms for e-mail expertise analysis  

Science Conference Proceedings (OSTI)

In this paper we study graph--based ranking measures for the purpose of using them to rank email correspondents according to their degree of expertise on subjects of interest. While this complete expertise analysis consists of several steps, in this ... Keywords: digraph node ranking, expert finding, ordered list distance, social network analysis

Byron Dom; Iris Eiron; Alex Cozzi; Yi Zhang

2003-06-01T23:59:59.000Z

271

Beyond Travel & Tourism competitiveness ranking using DEA, GST, ANN and Borda count  

Science Conference Proceedings (OSTI)

Travel & Tourism competitiveness rankings are helpful when we wish to consider the issue of how to enrich the global competitiveness of tourism destinations. However, even if a ranking is obtained from a highly reputed institute, it is important to evaluate ... Keywords: Artificial neural network, Borda count, Data envelopment analysis, Grey system theory, Ranking trustworthiness

Wei-Wen Wu

2011-09-01T23:59:59.000Z

272

ITP Mining: Energy and Environmental Profile of the U.S. Mining Industry (December 2002)  

Energy.gov (U.S. Department of Energy (DOE))

The U.S. Department of Energy and the National Mining Association are working in partnership to implement the Mining Industry of the Future strategy.

273

Surface mining and the natural environment: Blasting  

SciTech Connect

Blasting is the process commonly used to fracture the rock strata overlying a mineral seam. It is an important component of many surface mining operations. The technical guide will discuss several aspects of blasting, including a description of the methods used, the side effects associated with blasting, current laws and regulations controlling blasting operations, and the available technology for controlling the effects of blasting. The chapter is divided into two parts. Part I will provide a general overview of the topic, a discussion of potential hazardous effects and a description of blasting materials. Part II will address the development of a blasting plan and review some important inspection/monitoring considerations.

Clar, M.L.; Ward, J.M.

1980-03-01T23:59:59.000Z

274

Mining ontological knowledge using Nyaya framework  

Science Conference Proceedings (OSTI)

Ontology has become the buzzword of the knowledge and semantics community. The process of automatically constructing an ontology with completeness and reduced time has become the need of the hour. This paper presents the method for automatically constructing ... Keywords: India, NLP, Nyaya Sastra, WordNet, categories, concepts, internet, natural language processing, networks, nontaxonomical relations, online organisations, ontological knowledge, ontology, open source intelligence, philosophy, semantics, semi-supervised learning, taxonomical relations, taxonomies, virtual organisations, web based organisations, web documents, web mining, world wide web

D. Judia Salome; Ranjani Parthasarathi

2011-11-01T23:59:59.000Z

275

Bayesian Joint Modeling of Binomial and Rank Response Data  

E-Print Network (OSTI)

We present techniques for joint modeling of binomial and rank response data using the Bayesian paradigm for inference. The motivating application consists of results from a series of assessments on several primate species. Among 20 assessments representing 6 paradigms, 6 assessments are considered to produce a rank response and the remaining 14 are considered to have a binomial response. In order to model each of the 20 assessments simultaneously, we use the popular technique of data augmentation so that the observed responses are based on latent variables. The modeling uses Bayesian techniques for modeling the latent variables using random effects models. Competing models are specified in a consistent fashion which easily allows comparisons across assessments and across models. Non-local priors are readily admitted to enable more effective testing of random effects should Bayes factors be used for model comparison. The model is also extended to allow assessment-specific conditional error variances for the latent variables. Due to potential difficulties in calculating Bayes factors, discrepancy measures based on pivotal quantities are adapted to test for the presence of random effects and for the need to allow assessment-specific conditional error variances. In order to facilitate implementation, we describe in detail the joint prior distribution and a Markov chain Monte Carlo (MCMC) algorithm for posterior sampling. Results from the primate intelligence data are presented to illustrate the methodology. The results indicate substantial paradigm-specific differences between species. These differences are supported by the discrepancy measures as well as model posterior summaries. Furthermore, the results suggest that meaningful and parsimonious inferences can be made using the proposed techniques and that the discrepancy measures can effectively differentiate between necessary and unnecessary random effects. The contributions should be particularly useful when binomial and rank data are to be jointly analyzed in a parsimonious fashion.

Barney, Bradley

2011-08-01T23:59:59.000Z

276

Toward a new metric for ranking high performance computing systems.  

SciTech Connect

The High Performance Linpack (HPL), or Top 500, benchmark [1] is the most widely recognized and discussed metric for ranking high performance computing systems. However, HPL is increasingly unreliable as a true measure of system performance for a growing collection of important science and engineering applications. In this paper we describe a new high performance conjugate gradient (HPCG) benchmark. HPCG is composed of computations and data access patterns more commonly found in applications. Using HPCG we strive for a better correlation to real scientific application performance and expect to drive computer system design and implementation in directions that will better impact performance improvement.

Heroux, Michael Allen; Dongarra, Jack. [University of Tennessee, Knoxville, TN

2013-06-01T23:59:59.000Z

277

Large mining blasts from the Kursk Mining Region, Russia  

SciTech Connect

Monitoring the Comprehensive Nuclear Test Ban Treaty (CTBT) by seismic means will require identification of seismic sources at magnitude levels where industrial explosions (primarily, mining blasts) may comprise a significant fraction of the total number of events recorded, and may for some countries dominate the seismicity. Thus, data on blasting practice have both political significance for the negotiation of treaties involving seismic monitoring of nuclear tests, and operational applications in terms of establishing monitoring and inspection needs on a mine-by-mine basis. While it is generally accepted that mining explosions contribute to seismicity at lower seismic magnitudes (less than about magnitude 3.5), the rate of mining seismicity as a function of seismic magnitude is unknown for most countries outside the U.S. This results in a large uncertainty when estimating the task of discriminating nuclear explosions from chemical explosions and earthquakes, by seismic means, under a comprehensive nuclear test ban. This uncertainty directly affects estimates of seismic network enhancements required to achieve treaty verification requirements at magnitudes less than about 3.5. 24 refs., 64 figs., 11 tabs.

Leith, W. Adushkin, V.; Spivak, A.

1997-01-01T23:59:59.000Z

278

Coal Mining Regulations (Kentucky) | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Coal Mining Regulations (Kentucky) Coal Mining Regulations (Kentucky) Coal Mining Regulations (Kentucky) < Back Eligibility Commercial Construction Developer Industrial Investor-Owned Utility Retail Supplier Program Info State Kentucky Program Type Environmental Regulations Siting and Permitting Provider Kentucky Department for Energy Development and Independence Kentucky Administrative Regulation Title 405 chapters 1, 2, 3, 5, 7, 8, 10, 12, 16, 18 and 20 establish the laws governing coal mining in the state. The Department of Natural Resources under the authority of the Energy and Environment Cabinet is responsible for enforcing these laws and assuring compliance with the 1977 Federal Surface Mining Control Act (SMCRA). The Division of Mine Reclamation and Enforcement is responsible for inspecting

279

Rankings and the Reshaping of Higher Education The Battle for World-Class Excellence  

E-Print Network (OSTI)

University rankings have gained popularity worldwide because they appear to fulfil demands by students, parents, policymakers, employers, and other stakeholders for information and transparency. They are often equated with quality, and are now a significant factor shaping institutional reputation. Today, there are eleven global rankings, experiencing varying degrees of popularity, reliability and trustworthiness, and national rankings in over 40 countries. Despite their popularity, how much do we really know and understand about the influence and impact of rankings? This book is the first comprehensive study of rankings from a global perspective. Based on original international surveys and interviews with universities and stakeholders, Ellen Hazelkorn draws together a wealth of international experience to chronicle how rankings are helping reshape higher education in the age of globalization. Written in an easy but authoritative style, the book makes an important contribution to our understanding of the rankings phenomenon. It is essential reading for policy makers, institutional leaders, managers, advisors, and scholars.

Ellen Hazelkorn; Ellen Hazelkorn

2011-01-01T23:59:59.000Z

280

Proceedings, 24th international conference on ground control in mining  

Science Conference Proceedings (OSTI)

Topics covered: longwall mining; multiple seam mining; pillar/pillar extraction; surface subsidence; roof falls; geology; high horizontal stresses; highwall mining/slope stability; mine/roof support design; roof bolting; and detection of ground conditions.

Peng, S.S.; Mark, C.; Finfinger, G.; Tadolini, S.; Wahab Khair, A.; Heasley, K. (eds.) [West Virginia University, Morgantown, WV (United States)

2005-07-01T23:59:59.000Z

Note: This page contains sample records for the topic "rank mining method" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


281

Matrix Recipes for Hard Thresholding Methods  

E-Print Network (OSTI)

1 Matrix Recipes for Hard Thresholding Methods Anastasios Kyrillidis and Volkan Cevher Abstract a new set of sparse and low-rank recovery algorithms within the class of hard thresholding methods. We complexity. Index Terms Affine rank minimization, compressed sensing, sparse approximation algorithms, hard

Diggavi, Suhas

282

Advanced Acid Gas Separation Technology for the Utilization of Low Rank Coals  

SciTech Connect

Air Products has developed a potentially ground-breaking technology – Sour Pressure Swing Adsorption (PSA) – to replace the solvent-based acid gas removal (AGR) systems currently employed to separate sulfur containing species, along with CO{sub 2} and other impurities, from gasifier syngas streams. The Sour PSA technology is based on adsorption processes that utilize pressure swing or temperature swing regeneration methods. Sour PSA technology has already been shown with higher rank coals to provide a significant reduction in the cost of CO{sub 2} capture for power generation, which should translate to a reduction in cost of electricity (COE), compared to baseline CO{sub 2} capture plant design. The objective of this project is to test the performance and capability of the adsorbents in handling tar and other impurities using a gaseous mixture generated from the gasification of lower rank, lignite coal. The results of this testing are used to generate a high-level pilot process design, and to prepare a techno-economic assessment evaluating the applicability of the technology to plants utilizing these coals.

Kloosterman, Jeff

2012-12-31T23:59:59.000Z

283

Technology experience and economics of oil shale mining in Estonia  

Science Conference Proceedings (OSTI)

The exhaustion of fuel-energy resources became an evident problem of the European continent in the 1960s. Careful utilization of their own reserves of coal, oil, and gas (Germany, France, Spain) and assigned shares of imports of these resources make up the strategy of economic development of the European countries. The expansion of oil shale utilization is the most topical problem. The experience of mining oil shale deposits in Estonia and Russia, in terms of the practice and the economic results, is reviewed in this article. The room-and-pillar method of underground mining and the open-cut technology of clearing the ground ensure the fertility of a soil. The economics of underground and open pit oil shale mines is analyzed in terms of natural, organizational, and technical factors. These analyses are used in the planning and management of oil shale mining enterprises. The perspectives of the oil shale mining industry of Estonia and the economic expediency of multiproduction are examined. Recommendations and guidelines for future industrial utilization of oil shale are given in the summary.

Fraiman, J.; Kuzmiv, I. [Estonian Oil Shale State Co., Jyhvi (Estonia). Scientific Research Center

1995-11-01T23:59:59.000Z

284

Mine subsidence in Illinois: facts for the homeowner considering insurance  

SciTech Connect

Subsidence is the sinking of land surface, commonly resulting from underground mining. In Illinois, property damage has been sufficiently severe that a state law was enacted to provide subsidence insurance for homeowners. This publication has been prepared for homeowners in Illinois: (1) to inform them whether they live in subsidence-prone areas, (2) to aid them in understanding some frequently encountered effects of mine subsidence as well as problems sometimes mistaken for mine subsidence, and (3) to suggest further sources of information. Although the new subsidence insurance program for homeowners in mining areas prompted the writing of this report, we do not attempt to explain the details of the insurance program. Our purpose is to explain the causes and the nature of subsidence and discuss ways to minimize damage caused by subsidence. About 750,000 acres of Illinois land have been undermined for coal, and many homeowners are concerned about the effects underground mining may d at nine areas alalitative methods are presented. Chapter Five presents conclusions and suggestions for future research.

DuMontelle, P.B.; Bradford, S.C.; Bauer, R.A.; Killey, M.M.

1981-08-01T23:59:59.000Z

285

A survey on wavelet applications in data mining  

Science Conference Proceedings (OSTI)

Recently there has been significant development in the use of wavelet methods in various data mining processes. However, there has been written no comprehensive survey available on the topic. The goal of this is paper to fill the void. First, the paper ...

Tao Li; Qi Li; Shenghuo Zhu; Mitsunori Ogihara

2002-12-01T23:59:59.000Z

286

Low-Rank Coal Grinding Performance Versus Power Plant Performance  

SciTech Connect

The intent of this project was to demonstrate that Alaskan low-rank coal, which is high in volatile content, need not be ground as fine as bituminous coal (typically low in volatile content) for optimum combustion in power plants. The grind or particle size distribution (PSD), which is quantified by percentage of pulverized coal passing 74 microns (200 mesh), affects the pulverizer throughput in power plants. The finer the grind, the lower the throughput. For a power plant to maintain combustion levels, throughput needs to be high. The problem of particle size is compounded for Alaskan coal since it has a low Hardgrove grindability index (HGI); that is, it is difficult to grind. If the thesis of this project is demonstrated, then Alaskan coal need not be ground to the industry standard, thereby alleviating somewhat the low HGI issue (and, hopefully, furthering the salability of Alaskan coal). This project studied the relationship between PSD and power plant efficiency, emissions, and mill power consumption for low-rank high-volatile-content Alaskan coal. The emissions studied were CO, CO{sub 2}, NO{sub x}, SO{sub 2}, and Hg (only two tests). The tested PSD range was 42 to 81 percent passing 76 microns. Within the tested range, there was very little correlation between PSD and power plant efficiency, CO, NO{sub x}, and SO{sub 2}. Hg emissions were very low and, therefore, did not allow comparison between grind sizes. Mill power consumption was lower for coarser grinds.

Rajive Ganguli; Sukumar Bandopadhyay

2008-12-31T23:59:59.000Z

287

Correction to “Intersection Cuts with Infinite Split Rank  

E-Print Network (OSTI)

We point out that the statement of Lemma 2.2 (ii) in [1] is incorrect. We fix the statement and show that this error does not impact the other results of the paper. 1 Correction to Lemma 2.2 The following is a corected version of Lemma 2.2 in [1]. The correction is in bold. Lemma 2.2. Let Q be the linear relaxation of X = {(x, y) |Ax + By ? b, x ? Z p, y ? R q}. (ii) Let y ? be a subset of the y variables and let Q(x, y ? ) be the orthogonal projection of Q onto the variables (x, y ?). Consider a valid inequality I for conv(X) whose coefficients for the y variables not in y ? are all 0. The split rank of inequality I with respect to Q(x, y ? ) is greater than or equal to its split rank with respect to Q. The original statement had “identical ” instead of “greater than or equal”. The proof of the modified statement is below (modification in bold). Proof. (ii) Let proj be the operation of projecting orthogonally onto the variables (x, y ?). It follows from the definitions of projection and convex hull that the operations of taking the projection and taking the convex hull commute. Therefore we have, for any split (?, ?0) on the x variables, proj conv(Q ?

Amitabh Basu; Gérard Cornuéjols; François Margot

2013-01-01T23:59:59.000Z

288

The Silicon Mine | Open Energy Information  

Open Energy Info (EERE)

Mine Mine Jump to: navigation, search Name The Silicon Mine Place Netherlands Sector Solar Product The Silicon Mine (TSM) will produce solar grade polysilicon suitable for the production of wafers or as the base material for the manufacture of solar cells. References The Silicon Mine[1] LinkedIn Connections CrunchBase Profile No CrunchBase profile. Create one now! This article is a stub. You can help OpenEI by expanding it. The Silicon Mine is a company located in Netherlands . References ↑ "The Silicon Mine" Retrieved from "http://en.openei.org/w/index.php?title=The_Silicon_Mine&oldid=352196" Categories: Clean Energy Organizations Companies Organizations Stubs What links here Related changes Special pages Printable version Permanent link Browse properties

289

Oil, Gas, and Mining Leases (Nebraska)  

Energy.gov (U.S. Department of Energy (DOE))

This section contains rules on oil, gas, and mining leases, and grants authority to the State of Nebraska and local governments to issue leases for oil and gas mining and exploration on their lands.

290

Iowa State Mining and Mineral Resources Research Institute  

SciTech Connect

This final report describes the activities of the Iowa State Mining and Mineral Resources Research Institute (ISMMRRI) at Iowa State University for the period July 1, 1989, to June 30, 1990. Activities include research in mining- and mineral-related areas, education and training of scientists and engineers in these fields, administration of the Institute, and cooperative interactions with industry, government agencies, and other research centers. During this period, ISMMRRI has supported research efforts to: (1) Investigate methods of leaching zinc from sphalerite-containing ores. (2) Study the geochemistry and geology of an Archean gold deposit and of a gold-telluride deposit. (3) Enchance how-quality aggregates for use in construction. (4) Pre-clean coal by triboelectric charging in a fluidized-bed. (5) Characterize the crystal/grain alignment during processing of yttrium-barium-copper-perovskite (1-2-3) superconductors. (5) Study the fluid inclusion properties of a fluorite district. (6) Study the impacts of surface mining on community planning. (7) Assess the hydrophobicity of coal and pyrite for beneficiation. (8) Investigate the use of photoacoustic absorption spectroscopy for monitoring unburnt carbon in the exhaust gas from coal-fired boilers. The education and training program continued within the interdepartmental graduate minor in mineral resources includes courses in such areas as mining methods, mineral processing, industrial minerals, extractive metallurgy, coal science and technology, and reclamation of mined land. In addition, ISMMRRI hosted the 3rd International Conference on Processing and Utilization of High-Sulfur Coals in Ames, Iowa. The Institute continues to interact with industry in order to foster increased cooperation between academia and the mining and mineral community.

Not Available

1990-08-01T23:59:59.000Z

291

Coal mine methane global review  

Science Conference Proceedings (OSTI)

This is the second edition of the Coal Mine Methane Global Overview, updated in the summer of 2008. This document contains individual, comprehensive profiles that characterize the coal and coal mine methane sectors of 33 countries - 22 methane to market partners and an additional 11 coal-producing nations. The executive summary provides summary tables that include statistics on coal reserves, coal production, methane emissions, and CMM projects activity. An International Coal Mine Methane Projects Database accompanies this overview. It contains more detailed and comprehensive information on over two hundred CMM recovery and utilization projects around the world. Project information in the database is updated regularly. This document will be updated annually. Suggestions for updates and revisions can be submitted to the Administrative Support Group and will be incorporate into the document as appropriate.

NONE

2008-07-01T23:59:59.000Z

292

Dewatering of Ambrosia Lake Mines  

SciTech Connect

The paper discusses the design of an aquifer depressurisation system using wells at Mt. Taylor Mine, Ambrosia Lake, New Mexico. The concepts discussed should be valid for any shaft of mine in a sandstone aquifer with predominantly matrix permeability. The system uses a number of wells surrounding the mine shaft to reduce the aquifer pressure in the vicinity of the shaft. The effect of various parameters such as number of wells, wellbore diameter, time and well location are considered. It is concluded that, with a properly designed system, the aquifer pressure and water inflow rate to the shaft may be reduced to less than 15% of their potential values in the absence of wells.

Juvkam-Wold, H.C.

1982-09-01T23:59:59.000Z

293

Blasting to stabilize abandoned underground mines in eastern and midwestern coal fields: A feasibility study. Open File Report  

SciTech Connect

The study was designed to assist individuals involved with problem of abandoned mines that are subsiding. The study analyzed the practicality and desirability of using blasting to stabilize subsiding abandoned underground mines. Application of blasting to subsidence problems could provide a valuable alternative technology to classical methods of injecting fill material into abandoned mines to fill voids and prevent subsidence. By blasting, subsidence can be induced in a controlled manner, completed, and the site returned to its desired usage.

1991-05-22T23:59:59.000Z

294

Large-Scale Parallel Data Mining  

E-Print Network (OSTI)

To obtain a challenging internship in data mining, information retrieval on text and image, business intelligence, and statistical modeling.

Chunye Wang

2000-01-01T23:59:59.000Z

295

2008 Underground/Longwall Mining Buyer's Guide  

Science Conference Proceedings (OSTI)

The guide lists US companies supplying equipment and services to mines. An index by product category is included.

NONE

2008-06-15T23:59:59.000Z

296

2009 underground/longwall mining buyer's guide  

Science Conference Proceedings (OSTI)

The guide lists US companies supplying equipment and services to underground mining operations. An index by product category is included.

NONE

2009-06-15T23:59:59.000Z

297

Data mining solves tough semiconductor manufacturing problems  

Science Conference Proceedings (OSTI)

Keywords: data mining, machine learning, manufacturing optimization, neural networks, pattern recognition, rule induction, self organizing maps, semiconductor yield enhancement

Mike Gardner; Jack Bieker

2000-08-01T23:59:59.000Z

298

Uranium Mines and Uranium Mineral Localities Visited Country State/Province County/District Mine Name U Minerals Present  

E-Print Network (OSTI)

Uranium Mines and Uranium Mineral Localities Visited Country State/Province County/District Mine USA New Mexico Grants Zia Mines Tyuyamunite 1999 USA Arizona Gila Hope Mine Uraninite 2001 USA Arizona Gila Red Bluff Mine Uraninite 2001 USA Wyoming Fremont Congo (Section 16 Mine) Carnotite 2003 USA

299

UK mining invests, suppliers profit  

Science Conference Proceedings (OSTI)

In the midst of a major economic crisis in the United Kingdom, equipment suppliers have been reporting a number of considerable purchases by British coal mining companies. In December 2008, Liebherr-Great Britain delivered the first two of four Rq350 Litronic hydraulic excavators for use at the Broken Cross opencast coal site in Lanarkshire, Scotland. Ten Terex TR100 rigid haulers were delivered to the site in late 2008. Hatfield Colliery at Stainforth, South Yorkshire, has been reopened by PowerFuel. The main equipment for two longwall faces was supplied by Joy Mining Machinery UK Ltd. 2 photos.

NONE

2009-04-15T23:59:59.000Z

300

DTN Communication in a Mine Philip Ginzboorg  

E-Print Network (OSTI)

coal mine monitoring with wireless sensor networks. volume 5, pages 1­29, New York, NY, USA, 2009. ACM. [11] W. Yang and Y. Huang. Wireless sensor network based coal mine wireless and integrated securityDTN Communication in a Mine Philip Ginzboorg Nokia Research Center Teemu Kärkkäinen Aalto

Ott, Jörg

Note: This page contains sample records for the topic "rank mining method" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


301

Efficient dynamic mining of constrained frequent sets  

Science Conference Proceedings (OSTI)

Data mining is supposed to be an iterative and exploratory process. In this context, we are working on a project with the overall objective of developing a practical computing environment for the human-centered exploratory mining of frequent sets. One ... Keywords: Association rules, constraints, data mining, dynamic changes, frequent sets, limited buffer space

Laks V. S. Lakshmanan; Carson Kai-Sang Leung; Raymond T. Ng

2003-12-01T23:59:59.000Z

302

Data Preparation for Data Mining Using SAS  

Science Conference Proceedings (OSTI)

Are you a data mining analyst, who spends up to 80% of your time assuring data quality, then preparing that data for developing and deploying predictive models? And do you find lots of literature on data mining theory and concepts, but when it comes ... Keywords: Data Mining, Data Warehousing, Database Management

Mamdouh Refaat

2006-09-01T23:59:59.000Z

303

COLORADO SCHOOL OF MINES EMERGENCY MANAGEMENT PROCEDURE  

E-Print Network (OSTI)

COLORADO SCHOOL OF MINES EMERGENCY MANAGEMENT PROCEDURE #12;INTRODUCTION COLORADO SCHOOL OF MINES EMERGENCY MANAGEMENT PROCEDURE 1 EMERGENCY PREPAREDNESS AT THE COLORADO SCHOOL OF MINES Emergencies and psychologically prepared to handle unexpected emergencies is an individual, as well as an organizational

304

CO2 Sequestration Potential of Texas Low-Rank Coals  

SciTech Connect

The objectives of this project are to evaluate the feasibility of carbon dioxide (CO{sub 2}) sequestration in Texas low-rank coals and to determine the potential for enhanced coalbed methane (ECBM) recovery as an added benefit of sequestration. The main objectives for this reporting period were to (1) estimate the potential for CO{sub 2} sequestration in, and methane production from, low-rank coals of the Lower Calvert Bluff Formation of the Wilcox Group in the east-central Texas region, (2) quantify uncertainty associated with these estimates, (3) conduct reservoir and economic analyses of CO{sub 2} sequestration and ECBM production using horizontal wells, and (4) compare the results with those obtained from previous studies of vertical wells. To estimate the total volumes of CO{sub 2} that may be sequestered in, and total volumes of methane that can be produced from, the Wilcox Group low-rank coals in east-central Texas, we used data provided by Anadarko Petroleum Corporation, data obtained during this research, and results of probabilistic simulation modeling studies we conducted. For the analysis, we applied our base-case coal seam characteristics to a 2,930-mi{sup 2} (1,875,200-ac) area where Calvert Bluff coal seams range between 4,000 and 6,200 ft deep. Results of the probabilistic analysis indicate that potential CO{sub 2} sequestration capacity of the coals ranges between 27.2 and 49.2 Tcf (1.57 and 2.69 billion tons), with a mean value of 38 Tcf (2.2 billion tons), assuming a 72.4% injection efficiency. Estimates of recoverable methane resources, assuming a 71.3% recovery factor, range between 6.3 and 13.6 Tcf, with a mean of 9.8 Tcf. As part of the technology transfer for this project, we presented the paper SPE 100584 at the 2006 SPE Gas Technology Symposium held in Calgary, Alberta, Canada, on May 15-18, 2006. Also, we submitted an abstract to be considered for inclusion in a special volume dedicated to CO{sub 2} sequestration in geologic media, which is planned for publication by the American Association of Petroleum Geologists.

Duane A. McVay; Walter B. Ayers Jr; Jerry L. Jensen

2006-07-01T23:59:59.000Z

305

lattice of rank 8. Then L ? = E8.  

E-Print Network (OSTI)

Yet another proof: We construct an odd “2-neighbor ” L ? of L, identify L ? with Z 8 using our characterization of Z n by its minimal characteristic norm [1], and use this to identify L with E8. A “2-neighbor ” of L is a self-dual lattice L ? ? L ? Q such that L0 = L ? L ? is a sublattice of index 2 in each of L and L ?. To obtain L0 and L ? , first fix a lattice vector v0 / ? 2L such that 4|(v0, v0). (Such a vector exists in every even lattice of rank at least 3.) We may assume that (v0, v0) ? 4 mod 8, since if 8|(v0, v0) we may replace v0 by v0 + 2w with (v0, w) odd. Set L0 = {v ? L: 2|(v, v0)}, L ? = L0 ? (L0 + v0 2). We claim that L ? is an odd self-dual lattice. That it is a lattice is clear since certainly v0 ? L0. It is contained in its dual by construction. Since [L ? : L0] = [L: L0] = 2, we have disc(L ? ) = disc(L) = 1, so L ? ? L ? ? implies L ? = L ? ?. Finally L ? is odd because it contains the vector v0/2 of odd norm. Recall (see for instance [1]) that every unimodular lattice M has characteristic vectors: lattice vectors c ? M such that (c, v) ? (v, v) mod 2 for all v ? M. These constitute a coset of 2M in M, and if M is positive definite of rank n then (c, c) ? n mod 8 for all characteristic c ? M. Since L ? is odd, 0 is not a characteristic vector of L ?. Hence for every characteristic vector c of L ? we have (c, c) ? 8 = rank(L ?). By [1] it follows that L ? ? = Z 8. Therefore L0, being an even lattice contained with index 2 in L ? , is a D8 lattice. Thus L is one of the three lattices intermediate between D8 and D ? 8. One of these lattices is L ? = Z 8. The other two are isomorphic to E8, Q.E.D. Acknowledgements. This work was supported in part by the the National Science Foundation (grant DMS-0200687), and took place during a workshop at

Noam D. Elkies

2004-01-01T23:59:59.000Z

306

Method  

E-Print Network (OSTI)

Abstract: The biodegradabilities of poly(butylene succinate) (PBS) powders in a controlled compost at 58 °C have been studied using a Microbial Oxidative Degradation Analyzer (MODA) based on the ISO 14855-2 method, entitled “Determination of the ultimate aerobic biodegradability of plastic materials under controlled composting conditions—Method by analysis of evolved carbon dioxide—Part 2: Gravimetric measurement of carbon dioxide evolved in a laboratory-scale test”. The evolved CO2 was trapped by an additional aqueous Ba(OH)2 solution. The trapped BaCO3 was transformed into graphite via a serial vaporization and reduction reaction using a gas-tight tube and vacuum manifold system. This graphite was analyzed by accelerated mass spectrometry (AMS) to determine the percent modern carbon [pMC (sample)] based on the 14 C radiocarbon concentration. By using the theory that pMC (sample) was the sum of the pMC (compost) (109.87%) and pMC (PBS) (0%) as the respective ratio in the determined period, the CO2 (respiration) was calculated from only one reaction vessel. It was found that the biodegradabilities determined by the CO2 amount from PBS in the sample vessel were about 30 % lower than those based on the ISO method. These differences between the

Masao Kunioka; Fumi Ninomiya; Masahiro Funabashi

2009-01-01T23:59:59.000Z

307

MINING CLAIM PROCEDURES NEVADA BUREAU OF MINES AND GEOLOGY  

E-Print Network (OSTI)

Talapoosa 094 Tecoma 095 Ten Mile 096 Tonopah 097 Union 098 Varyville 099 Wallace Canyon Area 100 Washiki were identified that require additional testing, including deep potential for Carlin-style high of Operation with the BLM to begin open pit mining at the Emigrant deposit in the Piñon Range. Ore from the new

Tingley, Joseph V.

308

CO2 SEQUESTRATION POTENTIAL OF TEXAS LOW-RANK COALS  

Science Conference Proceedings (OSTI)

The objectives of this project are to evaluate the feasibility of carbon dioxide (CO{sub 2}) sequestration in Texas low-rank coals and to determine the potential for enhanced coalbed methane (CBM) recovery as an added benefit of sequestration. The primary objectives for this reporting period were to construct a coal geological model for reservoir analysis and to continue modeling studies of CO{sub 2} sequestration performance in coalbed methane reservoirs under various operational conditions. Detailed correlation of coal zones is important for reservoir analysis and modeling. Therefore, we interpreted and created isopleth maps of coal occurrences, and correlated individual coal seams within the coal bearing subdivisions of the Wilcox Group--the Hooper, Simsboro and Calvert Bluff formations. Preliminary modeling studies were run to determine if gravity effects would affect the performance of CO{sub 2} sequestration in coalbed methane reservoirs. Results indicated that gravity could adversely affect sweep efficiency and, thus, volumes of CO{sub 2} sequestered and methane produced in thick, vertically continuous coals. Preliminary modeling studies were also run to determine the effect of injection gas composition on sequestration in low-rank coalbeds. Injected gas composition was varied from pure CO{sub 2} to pure N{sub 2}, and results show that increasing N{sub 2} content degrades CO{sub 2} sequestration and methane production performance. We have reached a Data Exchange Agreement with Anadarko Petroleum Corporation. We are currently incorporating the Anadarko data into our work, and expect these data to greatly enhance the accuracy and value of our studies.

Duane A. Mcvay; Walter B. Ayers, Jr.; Jerry L. Jensen

2004-02-01T23:59:59.000Z

309

Astronomical Site Ranking Based on Tropospheric Wind Statistics  

E-Print Network (OSTI)

We present comprehensive and reliable statistics of high altitude wind speeds and the tropospheric flows at the location of five important astronomical observatories. Statistical analysis exclusively of high altitude winds point to La Palma as the most suitable site for adaptive optics, with a mean value of 22.13 m/s at the 200 mbar pressure level. La Silla is at the bottom of the ranking, with the largest average value 200 mbar wind speed(33.35 m/s). We have found a clear annual periodicity of high altitude winds for the five sites in study. We have also explored the connection of high to low altitude atmospheric winds as a first approach of the linear relationship between the average velocity of the turbulence and high altitude winds (Sarazin & Tokovinin 2001). We may conclude that high and low altitude winds show good linear relationships at the five selected sites. The highest correlation coefficients correspond to Paranal and San Pedro Martir, while La Palma and La Silla show similar high to low altitude wind connection. Mauna Kea shows the smallest degree of correlation, which suggests a weaker linear relationship. Our results support the idea of high altitude winds as a parameter for rank astronomical sites in terms of their suitability for adaptive optics, although we have no evidence for adopting the same linear coefficient at different sites. The final value of this linear coefficient at a particular site could drastically change the interpretation of high altitude wind speeds as a direct parameter for site characterization.

B. Garcia-Lorenzo; J. J. Fuensalida; C. Munoz-Tunon; E. Mendizabal

2004-10-25T23:59:59.000Z

310

ITP Mining: Energy and Environmental Profile of the U.S. Mining Industry: Chapter 1: U.S. Mining Overview  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

1 1 Mining Overview 1. Mining: Backbone of the U.S. Economy Mining is the search for, extraction, and beneficiation and processing of solid minerals from the earth. The kinds of minerals extracted from the earth vary widely. For thousands of years, these and other minerals have provided the raw materials with which human civilizations have been built. The United States Department of Energy and the National Mining Association are working in partnership to implement the Mining Industry of the Future strategy. Cooperatively, the Department of Energy and National Mining Association selected specific mineral commodities to review in this Mining Energy and Environmental Profile. These commodities require significant energy to extract and prepare for first saleable product and have the potential for

311

Low-rank coal research. Quarterly report, January--March 1990  

SciTech Connect

This document contains several quarterly progress reports for low-rank coal research that was performed from January-March 1990. Reports in Control Technology and Coal Preparation Research are in Flue Gas Cleanup, Waste Management, and Regional Energy Policy Program for the Northern Great Plains. Reports in Advanced Research and Technology Development are presented in Turbine Combustion Phenomena, Combustion Inorganic Transformation (two sections), Liquefaction Reactivity of Low-Rank Coals, Gasification Ash and Slag Characterization, and Coal Science. Reports in Combustion Research cover Fluidized-Bed Combustion, Beneficiation of Low-Rank Coals, Combustion Characterization of Low-Rank Coal Fuels, Diesel Utilization of Low-Rank Coals, and Produce and Characterize HWD (hot-water drying) Fuels for Heat Engine Applications. Liquefaction Research is reported in Low-Rank Coal Direct Liquefaction. Gasification Research progress is discussed for Production of Hydrogen and By-Products from Coal and for Chemistry of Sulfur Removal in Mild Gas.

Not Available

1990-08-01T23:59:59.000Z

312

Interstate Mining Compact (Maryland) | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

You are here You are here Home » Interstate Mining Compact (Maryland) Interstate Mining Compact (Maryland) < Back Eligibility Commercial Developer Investor-Owned Utility Municipal/Public Utility Rural Electric Cooperative Utility Program Info State Maryland Program Type Environmental Regulations Provider Interstate Mining Compact Commission This legislation authorizes the state's entrance into the Interstate Mining Compact, a multi-state governmental agency / organization that represents the natural resource and related environmental protection interests of its member states. Currently, 23 states are members to the compact, and 6 additional states are associate members. The compact is administered by the Interstate Mining Compact Commission, which does not possess regulatory

313

Opencut Mining Act (Montana) | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Opencut Mining Act (Montana) Opencut Mining Act (Montana) Opencut Mining Act (Montana) < Back Eligibility Utility Investor-Owned Utility Industrial Construction Municipal/Public Utility Installer/Contractor Rural Electric Cooperative Program Info State Montana Program Type Siting and Permitting Provider Montana Department of Environmental Quality The policy of the state is to provide adequate remedies to protect the environmental life support system from degradation and to prevent unreasonable depletion and degradation of natural resources from strip and underground mining. This Act imposes permitting and operating restrictions on opencut mining activities. The Act contains permitting, siting, and procedural requirements; more specific regulations can be found in the Administrative Rules of Montana

314

Web mining for web personalization  

Science Conference Proceedings (OSTI)

Web personalization is the process of customizing a Web site to the needs of specific users, taking advantage of the knowledge acquired from the analysis of the user's navigational behavior (usage data) in correlation with other information collected ... Keywords: WWW, Web personalization, Web usage mining, user profiling

Magdalini Eirinaki; Michalis Vazirgiannis

2003-02-01T23:59:59.000Z

315

Mining succinct predicated bug signatures  

Science Conference Proceedings (OSTI)

A bug signature is a set of program elements highlighting the cause or effect of a bug, and provides contextual information for debugging. In order to mine a signature for a buggy program, two sets of execution profiles of the program, one capturing ... Keywords: bug signature, feature selection, statistical debugging

Chengnian Sun; Siau-Cheng Khoo

2013-08-01T23:59:59.000Z

316

Mining into the new millennium  

Science Conference Proceedings (OSTI)

After more than 3 years of production and a billion tons of coal shipped, Foundation Coal West, a subsidiary of Foundation Coal Holding Inc., continues to operate two of the original surface mines in Wyoming's Powder River Basin. The article describes equipment (conveyors, trucks, surface miners etc.) deployed at Belle Ayr and Eagle Butte PRB operations. 3 photos.

Buchsbaum, L.

2009-06-15T23:59:59.000Z

317

Corner-cutting mining assembly  

DOE Patents (OSTI)

This invention resulted from a contract with the United States Department of Energy and relates to a mining tool. More particularly, the invention relates to an assembly capable of drilling a hole having a square cross-sectional shape with radiused corners. In mining operations in which conventional auger-type drills are used to form a series of parallel, cylindrical holes in a coal seam, a large amount of coal remains in place in the seam because the shape of the holes leaves thick webs between the holes. A higher percentage of coal can be mined from a seam by a means capable of drilling holes having a substantially square cross section. It is an object of this invention to provide an improved mining apparatus by means of which the amount of coal recovered from a seam deposit can be increased. Another object of the invention is to provide a drilling assembly which cuts corners in a hole having a circular cross section. These objects and other advantages are attained by a preferred embodiment of the invention.

Bradley, J.A.

1981-07-01T23:59:59.000Z

318

Anaerobic processing of low-rank coals. Quarterly progress report, July 1--September 30, 1992  

SciTech Connect

The overall goal of this project is to find biological methods to remove carboxylic functionalities from low-rank coals and to assess the properties of the modified coal towards coal liquefaction. The main objectives for this quarter were: (i) continuation of microbial consortia maintenance and completion of coal decarboxylation using batch reactor system, (ii) decarboxylation of model polymer, (iii) characterization of biotreated coals, and (iv) microautoclave liquefaction of the botreated coal. Progress is reported on the thermogravimetric analysis of coal biotreated in the absence of methanogens and under 5% hydrogen gas exhibits increased volatile carbon to fixed carbon ratio; that the microbial consortia developed on coal are being adapted to two different model polymers containing free carboxylic groups to examine decarboxylation ability of consortium; completion of experiments to decarboxylate two model polymers, polyacrylic acid and polymethyl methacrylate, have been completed; that the biotreated coal showed increase in THF-solubles.

Jain, M.K.; Narayan, R.; Han, O.

1992-12-31T23:59:59.000Z

319

Mines in the Four Corners anticipate growth  

Science Conference Proceedings (OSTI)

Productive mines in the southwest deplete reserves, while the government drags its heels on new power projects. Production in Arizona and New Mexico has fallen 18% over the last four years to 34.1 million tons. With Chevron Mining's McKinley mine rapidly depleting its reserves the industry will continue to contract. In the last three years at least three large mines in the Four Corners have terminated operations. Three others remain captive operations: BHP Billiton's San Juan Underground and Navajo Surface operations and Peabody Energy's Kayenta surface mine. In 2006 the Black Mesa mine stopped producing coal. These four mines are isolated from the national railways. Peabody's new El Segundo surface mine near Grants, NM is increasing production. If the planned $3 billion Desert Rock coal-fired power plant is built this will present a new market for the Navajo mine. The article gives details about the state of the aforementioned mines and of the new King II coal mine on the northern periphery of the San Juan basin and discusses the state of plans for the Desert Rock Energy Project. 5 photos.

Buchsbaum, L.

2008-02-15T23:59:59.000Z

320

Mine closures yield fields of green  

SciTech Connect

The cleanup and reclamation of North America's defunct mines or those set for closure will be extremely costly, estimated to be over one trillion dollars within the next ten to twenty years. In Canada, mines are controlled by the provinces and British Columbia began reclamation of major coal mines and hard rock metal mines in 1969. Other provinces have followed suit and in 1991, Ontario ruled that new and existing mines and advanced exploration projects must be designed for closuer. Many US states are enacting similar laws and the EPA plans to require mines to submit closure plans with their permit applications. Cleanup includes the sale of usable equipment, salvage of the rest, dismantling buildings, treatment and disposal of process chemicals, hazardous materials and tainted soils as well as recontouring and revegetation of the sites. Currently, at Elliot Lake in Canada, three of Canada's largest underground uranium mines are undergoing the process of closure.

Jones, S.

1993-01-11T23:59:59.000Z

Note: This page contains sample records for the topic "rank mining method" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


321

Getty mines oil sands in California  

Science Conference Proceedings (OSTI)

A large deposit of oil-laden diatomaceous earth in the McKittrick oil field 40 miles west of Bakersfield, California, has resisted all efforts at production by standard means. Getty Oil Co. is in the pilot phase of a project to recover the Diatomite's oil by an open pit mining operation. It also could have significant implications for other California oil fields, possibly setting the stage for the mining of oil sands in shallow fields like Kern River, S. Belridge, and Lost Hills to maximize oil recovery. A report on the project is summarized. The Diatomite is estimated to have 500 million bbl of oil in reserves, of which 380 million bbl are recoverable. The estimated amount of recoverable oil exceeds the McKittrick field's cumulative production of 240 million bbl. A pilot plant was built to test solvent extraction method of recovering heavy oil. The multistep process involves a series of 6 extractors. The Lurgi retorting plant employs a 2-step heating process to separate hydrocarbons from crushed ore.

Rintoul, B.

1983-11-01T23:59:59.000Z

322

METHOD  

E-Print Network (OSTI)

Environmental Management, Inc. It has been subject to the Agency’s peer and administrative review, and it has been approved for publication as an EPA document. The opinions, findings, and conclusions expressed herein are those of the contractor and not necessarily those of the EPA or other cooperating agencies. Mention of company or product names is not to be construed as an endorsement by the agency. Foreword The U.S. Environmental Protection Agency is charged by Congress with protecting the Nation’s land, air, and water resources. Under a mandate of national environmental laws, the Agency strives to formulate and implement actions leading to a compatible balance between human activities and the ability of natural systems to support and nurture life. To meet this mandate, EPA’s research program is providing data and technical support for solving environmental problems today and building a science knowledge base necessary to manage our ecological resources wisely, understand how pollutants affect our health, and prevent or reduce environmental risks in the future. The National Risk Management Research Laboratory is the Agency’s center for investigation of technological and management approaches for reducing risks from threats to human health and the environment. The focus of the Laboratory’s research program is on methods for the prevention and control of pollution to air, land, water and subsurface resources; protection of water quality in public water systems; remediation of contaminated sites and ground water; and prevention and control of indoor air pollution. The goal of this research effort is to catalyze development and implementation of innovative, cost-effective environmental technologies;

unknown authors

1995-01-01T23:59:59.000Z

323

Fuzzy probability measures (FPM) based non-symmetric membership function: Engineering examples of ground subsidence due to underground mining  

Science Conference Proceedings (OSTI)

This paper introduces a new FPM method for prediction of surface subsidence due to inclined coal seam mining. Based on the non-symmetric membership function and the definition of the fuzzy probability measure, the mathematical model for the two-dimensional ... Keywords: Fuzzy probability measures, Ground subsidence, Inclined coal seam, Non-symmetric membership function, Underground mining

Wen-Xiu Li; Lin Liu; Lan-Fang Dai

2010-04-01T23:59:59.000Z

324

Investigation of the rank dependence of tar evolution  

SciTech Connect

The objectives of this study are to develop an improved understanding of the process of coal tar evolution, its relationship to the structural characteristics of the parent coal, and the dependence of the chemical and physical properties of the tar products on the conditions of devolatilization. Data from this study are expected to allow hypothesis testing and refinements of coal devolatilization models relevant to the pulverized coal combustion process. The program is divided into seven major technical areas: tar evolution rates in rapid heating conditions; molecular weight and vapor pressure characteristics of tars; chemical structure and calorific values of tars; influence of interphase mass transport phenomena; gas phase secondary reactions of primary'' tars; parent coal nitrogen evolution during devolatilization; and model hypothesis testing. A range of coal ranks, from a Texas lignite to a Pennsylvania anthracite, are employed in the investigation. In addition, a high temperature polymer, a polyimide, is utilized as an additional reference case. The polyimide serves as a truly polymeric reference material for examining the nitrogen evolution behavior of coal. The samples are subjected to elemental composition determination, infrared absorbance characteristics, calorific value, high temperature ash analysis, and maceral composition. Consideration is being given to NMR analysis as well as tetrahydrofuran (THF) solubility. Results are discussed. 4 refs., 27 figs., 4 tabs.

Freihaut, J.D.; Proscia, W.M.

1990-01-01T23:59:59.000Z

325

Investigation of the rank dependence of tar evolution  

SciTech Connect

The objective of this study are to develop an improved understanding of the process of coal tar evolution, its relationship to the structural characteristics of the parent coal, and the dependence of the chemical and physical properties of the tar products on the conditions of devolatilization. Data from this study are expected to allow hypothesis testing and refinements of coal devolatilization models relevant to the pulverized coal combustion process. A range of coal ranks, from a Texas lignite to a Pennsylvania anthracite, are employed in the investigation. In addition, a high temperature polymer, a polyimide, is utilized as an additional reference case. The polyimide serves as a truly polymeric reference material for examining the nitrogen evolution behavior of coal. The samples are subjected to elemental composition determination, infrared absorbance characterization, calorific value measurement, high temperature ash analysis, and maceral composition. Potential tar yields are determined by long hold time heated grid investigations of each coal at a final temperature and heating rate observed to maximize tar yields for the reference coal. Relative tar evolution kinetic behavior is determined by zero hold time heated grid investigations of each coal. 4 refs., 13 figs., 2 tabs.

Freihaut, J.D.; Proscia, W.M.

1990-01-01T23:59:59.000Z

326

A PECULIARITY OF THE WILCOXON-MANN-WHITNEY RANK-SUM TEST  

E-Print Network (OSTI)

A PECULIARITY OF THE WILCOXON-MANN-WHITNEY RANK-SUM TEST Scotia Canada B3H 3C3 Keywords: intransitivity, rank-sum test, Behrens-Mann-Whitney test is a test of relative location whenever the two distributions are symmetric. By con- trast

327

Tracking the random surfer: empirically measured teleportation parameters in PageRank  

Science Conference Proceedings (OSTI)

PageRank computes the importance of each node in a directed graph under a random surfer model governed by a teleportation parameter. Commonly denoted alpha, this parameter models the probability of following an edge inside the graph or, when the graph ... Keywords: PageRank, Wikipedia, click trail analysis, empirical click probability, teleportation parameter, toolbar data

David F. Gleich; Paul G. Constantine; Abraham D. Flaxman; Asela Gunawardana

2010-04-01T23:59:59.000Z

328

The 2006 e-readiness rankings A white paper from the Economist Intelligence Unit  

E-Print Network (OSTI)

.03 2.93 68 65 Azerbaijan 2.92 2.72 * New to the annual rankings in 2006. Source: Economist Intelligence the poorest performer in the regional--and global-- rankings, Azerbaijan (68th), and the difference between 3.62 13 13 Kazakhstan 64 3.22 14 14 Azerbaijan 68 2.92 Source: Economist Intelligence Unit, 2006

329

Review: The RASC and CASC programs for ranking, scaling and correlation of biostratigraphic events  

Science Conference Proceedings (OSTI)

RASC is an acronym for RAnking and SCcaling of biostratigraphic events. Code of the RASC computer program was originally published in Computers & Geosciences. During the past 30 years this program has been continuously maintained and updated. Its purpose ... Keywords: Biostratigraphic events, CASC, Quantitative stratigraphy, RASC, Ranking and scaling, Stratigraphic section correlation

F. P. Agterberg, F. M. Gradstein, Q. Cheng, G. Liu

2013-04-01T23:59:59.000Z

330

Adding smarter systems instead of human annotators: re-ranking for system combination  

Science Conference Proceedings (OSTI)

Using a Knowledge Base Population (KBP) slot filling task as a case study, we describe a re-ranking framework in the context of two experimental settings: (1) high transparency; a few pipelines share similar resources that can be used to provide ... Keywords: information extraction, knowledge base population, supervised re-ranking, text analysis

Suzanne Tamang; Heng Ji

2011-10-01T23:59:59.000Z

331

Evaluating Rank Histograms Using Decompositions of the Chi-Square Test Statistic  

Science Conference Proceedings (OSTI)

Rank histograms are often plotted to evaluate the forecasts produced by an ensemble forecasting system—an ideal rank histogram is “flat” or uniform. It has been noted previously that the obvious test of “flatness,” the well-known ?2 goodness-of-...

Ian T. Jolliffe; Cristina Primo

2008-06-01T23:59:59.000Z

332

Alternatives to the Chi-Square Test for Evaluating Rank Histograms from Ensemble Forecasts  

Science Conference Proceedings (OSTI)

Rank histograms are a commonly used tool for evaluating an ensemble forecasting system’s performance. Because the sample size is finite, the rank histogram is subject to statistical fluctuations, so a goodness-of-fit (GOF) test is employed to ...

Kimberly L. Elmore

2005-10-01T23:59:59.000Z

333

A bayesian learning approach to promoting diversity in ranking for biomedical information retrieval  

Science Conference Proceedings (OSTI)

In this paper, we propose a Bayesian learning approach to promoting diversity for information retrieval in biomedicine and a re-ranking model to improve retrieval performance in the biomedical domain. First, the re-ranking model computes the maximum ... Keywords: beyesian learning, biomedical IR, promoting diversity

Xiangji Huang; Qinmin Hu

2009-07-01T23:59:59.000Z

334

On probabilistic models for uncertain sequential pattern mining  

Science Conference Proceedings (OSTI)

We study uncertainty models in sequential pattern mining. We consider situations where there is uncertainty either about a source or an event. We show that both these types of uncertainties could be modelled using probabilistic databases, and give possible-worlds ... Keywords: mining uncertain data, novel algorithms for mining, probabilistic databases, sequential pattern mining, theoretical foundations of data mining.

Muhammad Muzammal; Rajeev Raman

2010-11-01T23:59:59.000Z

335

Information Circular 9465 Handbook for Dust Control in Mining  

E-Print Network (OSTI)

. This includes underground coal and hard-rock mines, as well as surface mines, stone mines, and hard-rock tunnels.S. coal mine ventilation regulations require an average air velocity of 60 ft/min. This velocity is based]. This relatively high air velocity is required because a typical coal mine entry is about 18 ft wide, and over

Saylor, John R.

336

NEVADA BUREAU OF MINES AND GEOLOGY SPECIAL PUBLICATION MI-1996  

E-Print Network (OSTI)

gold mines in the United States. Five new mines came into production in 1997: Placer Dome's Pipeline and South Pipeline deposits in Crescent Valley in Lander County (part of the Cortez Mines complex Mountain Mine, 484,430 oz; Placer Dome's Cortez Gold Mines (including Pipeline), 407,973 oz; Independence

Tingley, Joseph V.

337

Analysis of Building Damages of Paste Backfill Mining under Villages  

Science Conference Proceedings (OSTI)

In order to realize coal mining in safety without moving villages, increase coal recovery ratio, solve the conflict of mining and panel relays, the scheme of paste backfill mining under villages in Xiaotun coal mine is executed, and the surface subsidence ... Keywords: Mining under Villages, Paste Backfilling, Damage Assessment, Displacement, Deformation

Chai Hua-bin; Zou You-feng; Guo Wen-bing; Chen Jun-jie

2011-02-01T23:59:59.000Z

338

Inductive learning as a fusion engine for mine detection  

SciTech Connect

Semiotics is defined by some researchers as {open_quotes}the study of the appearance (visual or otherwise) meaning, and use of symbols and symbol systems.{close_quotes} Semiotic fusion of data from multiple sensory sources is a potential solution to the problem of landmine detection. This turns out to be significant, because notwithstanding the diversity of sensor technologies being used to attack the problem, there is no single effective landmine sensor technology. The only practical, general-purpose mine detector presently available is the trained dog. Most research into mine-detection technology seeds to emulate the dog`s seemingly uncanny abilities. An ideal data-fusion system would mimic animal reaction, with the brain`s perceptive power melding multiple sensory cues into an awareness of the size and location of a mine. Furthermore, the fusion process should be adaptive, with the skill at combining cues into awareness improving with experience. Electronic data-fusion systems reported in the countermine literature use conventional vector-based pattern recognition methods. Although neural nets are popular, they have never satisfactorily met the challenge. Despite years of investigation, nobody has ever found a vector space representation that reliably characterizes mine identity. This strongly suggests that the features have not been found because researchers have been looking for the wrong characteristics. It is worth considering that dogs probably do not represent data as mathematical number lists, but they almost certainly represent data via semiotic structures.

Kercel, S.W.; Dress, W.B.

1997-08-01T23:59:59.000Z

339

Longwall mining. 2nd ed.  

Science Conference Proceedings (OSTI)

The book covers US longwall mining technology that was developed and practiced in the US for the past 30 years. It covers all phases of longwall technology in 14 chapters. Each chapter is devoted to a subsystem of equipment or engineering technology. Each chapter begins with a brief introduction on the historical trends of development of the subsystem equipment or engineering technology, followed by a detailed description of the subsystem and engineering technology as they are practiced in the US today.

Peng, S.S.

2006-10-15T23:59:59.000Z

340

CARBON SEQUESTRATION ON SURFACE MINE LANDS  

Science Conference Proceedings (OSTI)

A monitoring program to measure treatment effects on above ground, and below ground carbon and nitrogen pools for the planting areas is being conducted. The collection of soil and tissue samples from both the 2003 and 2004 plantings is complete and are currently being processed in the laboratory. Detailed studies have been initiated to address specific questions pertaining to carbon cycling. Examinations of decomposition and heterotropic respiration on carbon cycling in the reforestation plots were continued during this reporting period. A whole-tree harvesting method was employed to evaluate carbon accumulation as a function of time on the mined site. The trees were extracted from the sites and separated into the following components: foliage, stems, branches, and roots.

Donald H. Graves; Christopher Barton; Richard Sweigard; Richard Warner

2004-11-30T23:59:59.000Z

Note: This page contains sample records for the topic "rank mining method" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


341

Rank Sites by Building Type and Location for Greenhouse Gas Mitigation |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Rank Sites by Building Type and Location for Greenhouse Gas Rank Sites by Building Type and Location for Greenhouse Gas Mitigation Rank Sites by Building Type and Location for Greenhouse Gas Mitigation October 7, 2013 - 10:57am Addthis YOU ARE HERE: Step 2 After establishing building locations for greenhouse gas (GHG) mitigation analysis, the next step is to rank sites using the additional factors of eGRID region and climate region. In the Table 1 example below, because Site C and Site D represent the same proportion of Program B's office space (22% each), evaluating eGRID region and climate region will help to prioritize which sites may have a greater potential for GHG reductions. Table 1. Example: Program B Office Location Evaluation Site Name Percent of total Program SF by building type (%) eGRID Climate Region eGRID-Climate Weight1 Location Rank

342

Injury experience in coal mining, 1989  

Science Conference Proceedings (OSTI)

This Mine and Safety and Health Administration (MSHA) informational report reviews in detail the occupational injury and illness experience of coal mining in the United States for 1989. Data reported by operators of mining establishments concerning work injuries are summarized by work location, accident classification, part of body injured, nature of injury, occupation, and anthracite or bituminous coal. Related information on employment, worktime, and operating activity also is presented. Data reported by independent contractors performing certain work at mining locations are depicted separately in this report. For ease of comparison between coal mining and the metal and nonmetal mineral mining industries, summary reference tabulations are included at the end of both the operator and the contractor sections of this report. 3 figs., 46 tabs.

Not Available

1990-01-01T23:59:59.000Z

343

Injury experience in coal mining, 1992  

Science Conference Proceedings (OSTI)

This Mine Safety and Health Administration (MSHA) informational report reviews in detail the occupational injury and illness experience of coal mining in the United States for 1992. Data reported by operators of mining establishments concerning work injuries are summarized by work location, accident classification, part of body injured, nature of injury, occupation, and anthracite or bituminous coal. Related information on employment, worktime, and operating activity also is presented. Data reported by independent contractors performing certain work at mining locations are depicted separately in this report. For ease of comparison between coal mining and the metal and nonmetal mineral mining industries, summary reference tabulations are included at the end of both the operator and the contractor sections of this report.

Reich, R.B.; Hugler, E.C.

1994-05-01T23:59:59.000Z

344

1985 mining industry technical conference (Conference record)  

SciTech Connect

This book presents the papers given at a conference on underground coal mining technology. Topics considered at the conference included trends in the electronic control of mine hoists, a probabilistic model of power demand for sequential conveyor systems, a slurry monitor for the precision determination of the density of slurries flowing in pipelines, and an intrinsically safe communication, signalling and control system used in underground working sections of coal mines.

Not Available

1985-01-01T23:59:59.000Z

345

Preliminary phenomena identification and ranking tables for simplified boiling water reactor Loss-of-Coolant Accident scenarios  

Science Conference Proceedings (OSTI)

For three potential Loss-of-Coolant Accident (LOCA) scenarios in the General Electric Simplified Boiling Water Reactors (SBWR) a set of Phenomena Identification and Ranking Tables (PIRT) is presented. The selected LOCA scenarios are typical for the class of small and large breaks generally considered in Safety Analysis Reports. The method used to develop the PIRTs is described. Following is a discussion of the transient scenarios, the PIRTs are presented and discussed in detailed and in summarized form. A procedure for future validation of the PIRTs, to enhance their value, is outlined. 26 refs., 25 figs., 44 tabs.

Kroeger, P.G.; Rohatgi, U.S.; Jo, J.H.; Slovik, G.C.

1998-04-01T23:59:59.000Z

346

Land Mines and Demining: Books Land Mines & Demining in the 20th Century: A Bibliography  

E-Print Network (OSTI)

, 1989. Geyer, Richard G. Magnetostatic Measurements for Mine Detection. Boulder, CO: National Institute Limited, 1982. 289p. Handbook of Employment Concepts for Mine Warfare Systems. Fort Belvoir, VA.: U.http://www.ccpdc.org/pubs/weap/frame.htm Lucas, Guy. "Mine Clearance" (p. 81-84) IN: Defence Systems International: The International Review

347

WIPP Mine Rescue Team Wins Regional Competition  

NLE Websites -- All DOE Office Websites (Extended Search)

Rescue Team from the U.S. Department of Energy's (DOE) Waste Isolation Pilot Plant (WIPP) placed first in the recent Southern Regional Mine Rescue Competition, continuing a...

348

NIOSH Office of Mine Safety & Health Research  

Science Conference Proceedings (OSTI)

NIOSH Office of Mine Safety & Health Research. NVLAP Lab Code: 200716-0. ... Safety & Health URL: http://www.cdc.gov/niosh/homepage.html ...

2013-09-27T23:59:59.000Z

349

Chapter 2: uranium mines and mills  

SciTech Connect

This chapter will be included in a larger ASCE Committee Report. Uranium mining production is split between underground and open pit mines. Mills are sized to produce yellowcake concentrate from hundreds to thousands of tons of ore per day. Miner's health and safety, and environmental protection are key concerns in design. Standards are set by the US Mine Safety and Health Administration, the EPA, NRC, DOT, the states, and national standards organizations. International guidance and standards are extensive and based on mining experience in many nations.

O'Connell, W.J.

1983-03-01T23:59:59.000Z

350

Coal Mining Regulatory and Reclamation Act (Massachusetts) |...  

Open Energy Info (EERE)

Data Page Edit with form History Share this page on Facebook icon Twitter icon Coal Mining Regulatory and Reclamation Act (Massachusetts) This is the approved revision of...

351

Mining operations began in 1858 and  

E-Print Network (OSTI)

• Five mills and at least eight mines are located along the banks of Lefthand Creek • EPA, Colorado, and Boulder County are coordinating detailed investigations, communications, and cleanup efforts

unknown authors

2004-01-01T23:59:59.000Z

352

Sustainable Bauxite Mining - A Global Perspective  

Science Conference Proceedings (OSTI)

The report shows that bauxite mining has become sustainable and land area ... Extracting Alumina from Coal Flyash through Sodium Aluminate Solution in ...

353

Seventh International Mining Geology Conference 2009  

Science Conference Proceedings (OSTI)

Dec 31, 2012 ... A compact disk (CD) version of the Seventh International Mining ... and cover commodities such as bauxite, coal, diamonds, gold, silver, ...

354

Coal mining technology, economics and policy 1991  

SciTech Connect

The 1991 session papers from the American Mining Congress Coal Convention covered a variety of technical, economic, regulatory, and health and safety issues. The papers were grouped into the following categories: Coal mine ventilation technology; Coal policy; Coal utilization -- problems and opportunities; Dealing with spontaneous combustion; Energy taxation; Environmental issues; Ergonomics in the underground mine environment; Ground control technology; Lessons in compromise: the need to improve our communications strategies; Management - improving operations through organizational change; Productivity forum - how to improve the bottom line; Reclamation technology; Safety and health; Subsidence; Surface mining - technology and reclamation policy; Underground haulage - from the face to the surface.

Not Available

1991-01-01T23:59:59.000Z

355

Update on Coal Mine Noise Model  

Science Conference Proceedings (OSTI)

Page 1. Network Modeling and Simulation of Mine Communication Systems N. Moayeri and M. Souryal May 12, 2011 Page 2. 2 ...

2011-06-17T23:59:59.000Z

356

Climate VISION: Private Sector Initiatives: Mining: Resources...  

Office of Scientific and Technical Information (OSTI)

process on the most significant and timely issues that impact our ability to locate, permit, mine, process, transport, and utilize the nation's vast coal and mineral resources...

357

Developing Alternative Industrial Materials from Mining Waste  

Science Conference Proceedings (OSTI)

Presentation Title, Developing Alternative Industrial Materials from Mining Waste ... Optimum Condition of Vanadium Recovery from Power Plant Fly-ash with ...

358

Climate VISION: Private Sector Initiatives: Mining: Results  

Office of Scientific and Technical Information (OSTI)

State Programs Technical Information Plant Assessments Training Calendar Software Tools Energy Management Results Mining - Results No measured results exist at this time in terms...

359

Climate VISION: PrivateSector Initiatives: Mining  

Office of Scientific and Technical Information (OSTI)

NewsEvents Contact Us MINING Letters of IntentAgreements Work Plans GHG Information Energy Footprints Industry Analysis Briefs Resources & Links Industry Associations...

360

Injury experience in coal mining, 1991  

Science Conference Proceedings (OSTI)

This Mine Safety and Health Administration (MSHA) informational report reviews in detail the occupational injury and illness experience of coal mining in the United States for 1991. Data reported by operators of mining establishments concerning work injuries are summarized by work location, accident classification, part of body injured, nature of injury, occupation, and anthracite or bituminous coal. Related information on employment, worktime, and operating activity also is presented. Data reported by independent contractors performing certain work at mining locations are depicted separately in this report. For ease of comparison between coal mining and the metal and nonmetal mineral mining industries, summary reference tabulations are included at the end of both the operator and the contractor sections of this report. Data used in compiling this report were reported by operators of coal mines and preparation plants on a mandatory basis as required under the Federal Mine Safety and Health Act of 1977, Public Law 91-173,as amended by Public Law 95-164. Since January 1, 1978, operators of mines or preparation plants or both which are subject to the Act have been required under 30 CFR, Part 50, to submit reports of injuries, occupational illnesses, and related data.

Not Available

1991-12-31T23:59:59.000Z

Note: This page contains sample records for the topic "rank mining method" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


361

Demonstrating Market Approach to Reclamation of Mined Lands  

NLE Websites -- All DOE Office Websites (Extended Search)

202-293-7516 jmahoney@epri.com Environmental and Water Resources Demonstrating market approach to reclamation of mineD lanDs Background Many years of coal mining in the...

362

Mercury-Contaminated Hydraulic Mining Debris in San Francisco Bay  

E-Print Network (OSTI)

may 2010 Mercury-Contaminated Hydraulic Mining Debris in SanCA 94025 Abstract The hydraulic gold-mining process usedsediment created by hydraulic gold mining in the Sierra

Bouse, Robin M; Fuller, Christopher C; Luoma, Sam; Hornberger, Michelle I; Jaffe, Bruce E; Smith, Richard E

2010-01-01T23:59:59.000Z

363

Using simulation analysis for mining project risk management  

Science Conference Proceedings (OSTI)

As a result of the current economic crisis, which led to metal prices fall, mining company managers have been encouraged to cut costs. Thus, improvement projects to reduce cost has become major interest in the Mongolian mining industry. Mining projects ...

Undram Chinbat; Soemon Takakuwa

2009-12-01T23:59:59.000Z

364

Hydrologic and geophysical studies at Midnite Mine, Wellpinit, WA: Summary of 1995 field season. Report of investigations/1996  

SciTech Connect

The Midnite Mine is an inactive, hard-rock uranium mine on the Spokane Indian Reservation in Washington State. Long-term changes in water quality and the results of slug tests and two geophysical surveys are described. Of the locations monitored, only two exhibited water quality degradation over time. Hydraulic conductivity measurements from slug tests are reported for five additional locations in the bedrock. Relative values of hydraulic conductivity from slug tests agreed well with ranked specific capacity data. A geophysical survey identified buried constructed features that channel subsurface water to a contaminated seep. Historic aerial photos corroborated the results of the geophysical study. A new geophysical technique was successfully used to monitor hydraulic and geochemical responses to a pumping test in saturated waste rock.

Williams, B.C.; Riley, J.A.; Montgomery, J.R.; Robinson, J.A.

1996-06-01T23:59:59.000Z

365

Uncertainty in Acoustic MineUncertainty in Acoustic Mine Detection due to EnvironmentalDetection due to Environmental  

E-Print Network (OSTI)

Determine the impact of bottom type and wind variations on bottom mooredand wind variations on bottom moored mine engagementLittoral engagement Mine warfareMine warfare Diesel submarinesDiesel submarines Unmanned Undersea

Chu, Peter C.

366

Changes related to "Coal Mining Regulatory and Reclamation Act...  

Open Energy Info (EERE)

Special page Share this page on Facebook icon Twitter icon Changes related to "Coal Mining Regulatory and Reclamation Act (Massachusetts)" Coal Mining Regulatory and...

367

Changes related to "Arkansas Surface Coal Mining Reclamation...  

Open Energy Info (EERE)

this page on Facebook icon Twitter icon Changes related to "Arkansas Surface Coal Mining Reclamation Act (Arkansas)" Arkansas Surface Coal Mining Reclamation Act...

368

Pages that link to "Coal Mining Tax Credit (Arkansas)" | Open...  

Open Energy Info (EERE)

Edit History Share this page on Facebook icon Twitter icon Pages that link to "Coal Mining Tax Credit (Arkansas)" Coal Mining Tax Credit (Arkansas) Jump to:...

369

Pages that link to "Coal Mining Regulatory and Reclamation Act...  

Open Energy Info (EERE)

Edit History Share this page on Facebook icon Twitter icon Pages that link to "Coal Mining Regulatory and Reclamation Act (Massachusetts)" Coal Mining Regulatory and...

370

Changes related to "Coal Mining Tax Credit (Arkansas)" | Open...  

Open Energy Info (EERE)

Special page Share this page on Facebook icon Twitter icon Changes related to "Coal Mining Tax Credit (Arkansas)" Coal Mining Tax Credit (Arkansas) Jump to:...

371

Changes related to "Coal Mine Safety Act (Virginia)" | Open Energy...  

Open Energy Info (EERE)

Special page Share this page on Facebook icon Twitter icon Changes related to "Coal Mine Safety Act (Virginia)" Coal Mine Safety Act (Virginia) Jump to: navigation,...

372

Pages that link to "Arkansas Surface Coal Mining Reclamation...  

Open Energy Info (EERE)

this page on Facebook icon Twitter icon Pages that link to "Arkansas Surface Coal Mining Reclamation Act (Arkansas)" Arkansas Surface Coal Mining Reclamation Act...

373

Pages that link to "Coal Mining Regulations (Kentucky)" | Open...  

Open Energy Info (EERE)

Edit History Share this page on Facebook icon Twitter icon Pages that link to "Coal Mining Regulations (Kentucky)" Coal Mining Regulations (Kentucky) Jump to:...

374

Changes related to "Coal Mining (Iowa)" | Open Energy Information  

Open Energy Info (EERE)

Special page Share this page on Facebook icon Twitter icon Changes related to "Coal Mining (Iowa)" Coal Mining (Iowa) Jump to: navigation, search This is a list of...

375

Pages that link to "Coal Mining Reclamation (North Dakota)" ...  

Open Energy Info (EERE)

Edit History Share this page on Facebook icon Twitter icon Pages that link to "Coal Mining Reclamation (North Dakota)" Coal Mining Reclamation (North Dakota) Jump to:...

376

Changes related to "Coal Mining Reclamation (North Dakota)" ...  

Open Energy Info (EERE)

Special page Share this page on Facebook icon Twitter icon Changes related to "Coal Mining Reclamation (North Dakota)" Coal Mining Reclamation (North Dakota) Jump to:...

377

Changes related to "Coal Mining Regulations (Kentucky)" | Open...  

Open Energy Info (EERE)

Special page Share this page on Facebook icon Twitter icon Changes related to "Coal Mining Regulations (Kentucky)" Coal Mining Regulations (Kentucky) Jump to:...

378

Pages that link to "Coal Mining (Iowa)" | Open Energy Information  

Open Energy Info (EERE)

Edit History Share this page on Facebook icon Twitter icon Pages that link to "Coal Mining (Iowa)" Coal Mining (Iowa) Jump to: navigation, search What links here Page:...

379

Water Wells and Drilled or Mined Shafts (Texas) | Department...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Water Wells and Drilled or Mined Shafts (Texas) Water Wells and Drilled or Mined Shafts (Texas) Eligibility Utility Fed. Government Commercial Investor-Owned Utility Industrial...

380

Longwall mining thrives in Colorado's North Fork Valley  

Science Conference Proceedings (OSTI)

With mining units poised for record-setting capacity and rail service restored, these mines in Colorado's North Fork valley are ready to cut coal. 4 photos.

Buchsbaum, L.

2006-08-15T23:59:59.000Z

Note: This page contains sample records for the topic "rank mining method" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


381

Mined Land Reclamation on DOE's Uranium Lease Tracts, Southwestern...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Administration Other Agencies You are here Home Mined Land Reclamation on DOE's Uranium Lease Tracts, Southwestern Colorado Mined Land Reclamation on DOE's Uranium Lease...

382

Equipment Selection for Surface Mining: A Review - Optimization ...  

E-Print Network (OSTI)

cost per unit of production (Bozorgebrahimi et al., 2005). These characteristics ...... Surface Mining. 2nd ed. Society for Mining Metallurgy and Exploration Inc.

383

Virginia Coal Surface Mining Control and Reclamation Act (Virginia)  

Energy.gov (U.S. Department of Energy (DOE))

This legislation implements the federal Surface Mining Control and Reclamation Act and establishes a statewide regulatory program for reclamation following coal surface mining activities. The...

384

Ecology of Sulfur Cycling in Flooded Strip Mines.  

E-Print Network (OSTI)

??Habitat restoration efforts in reclaimed coal mining areas have included the flooding of shallow strip mines, creating patches of wetland with special chemical characteristics, like… (more)

Wham, Breanna Michelle

2013-01-01T23:59:59.000Z

385

Methodology for ranking geothermal reservoirs in non-electric industrial applications  

DOE Green Energy (OSTI)

A large number of geothermal reservoirs exist and to perform a thorough study of each of these reservoirs to determine those most desirable for demonstration projects can be costly and time consuming. A methodology for assigning rankings to these reservoirs, given a limited amount of data, is presented. The top ranked reservoirs would then be studied more thoroughly. In addition, a methodology for ranking the large number of industries that could possibly utilize geothermal energy in nonelectric applications is given to determine those industries which will have the most impact on national energy demand if converted to geothermal use.

Farah, O.G.; Williams, F.

1976-05-01T23:59:59.000Z

386

Restoring Sustainable Forests on Appalachian Mined Lands for Wood Products, Renewable Energy, Carbon Sequestration, and Other Ecosystems Services  

DOE Green Energy (OSTI)

The overall purpose of this project is to evaluate the biological and economic feasibility of restoring high-quality forests on mined land, and to measure carbon sequestration and wood production benefits that would be achieved from forest restoration procedures. During this quarter we worked on methodologies for analyzing carbon in mine soils. A unique property of mine soils is the presence of coal and carboniferous rock particles that are present in mine soils in various sizes, quantities, and qualities. There is no existing method in the literature that may be of use for quantitative estimation of soil organic carbon (SOC) in mine soils that can successfully differentiate between pedogenic and geogenic carbon forms. In this report we present a detailed description of a 16-step method for measuring SOC in mine soils designed for and tested on a total of 30 different mine soil mixtures representing a wide spectrum of mine soils in the hard-rock region of the Appalachian coalfield. The proposed method is a combination of chemical procedure for carbonates removal, a thermal procedure for pedogenic C removal, and elemental C analysis procedure at 900 C. Our methodology provides a means to correct for the carbon loss from the more volatile constituents of coal fragments in the mine soil samples and another correction factor for the protected organic matter that can also remain unoxidized following thermal pretreatment. The correction factors for coal and soil material-specific SOM were based on carbon content loss from coal and SOM determined by a parallel thermal oxidation analysis of pure ground coal fragments retrieved from the same mined site as the soil samples and of coal-free soil rock fragments of sandstone and siltstone origin.

James A. Burger; J. Galbraith; T. Fox; G. Amacher; J. Sullivan; C. Zipper

2006-04-30T23:59:59.000Z

387

CO2 SEQUESTRATION POTENTIAL OF TEXAS LOW-RANK COALS  

Science Conference Proceedings (OSTI)

The objectives of this project are to evaluate the feasibility of carbon dioxide (CO{sub 2}) sequestration in Texas low-rank coals and to determine the potential for enhanced coalbed methane (CBM) recovery as an added benefit of sequestration. The main tasks for this reporting period were to correlate well logs and refine coal property maps, evaluate methane content and gas composition of Wilcox Group coals, and initiate discussions concerning collection of additional, essential data with Anadarko. To assess the volume of CO{sub 2} that may be sequestered and volume of methane that can be produced in the vicinity of the proposed Sam Seymour sequestration site, we used approximately 200 additional wells logs from Anadarko Petroleum Corp. to correlate and map coal properties of the 3 coal-bearing intervals of Wilcox group. Among the maps we are making are maps of the number of coal beds, number of coal beds greater than 5 ft thick, and cumulative coal thickness for each coal interval. This stratigraphic analysis validates the presence of abundant coal for CO{sub 2} sequestration in the Wilcox Group in the vicinity of Sam Seymour power plant. A typical wellbore in this region may penetrate 20 to 40 coal beds with cumulative coal thickness between 80 and 110 ft. Gas desorption analyses of approximately 75 coal samples from the 3 Wilcox coal intervals indicate that average methane content of Wilcox coals in this area ranges between 216 and 276 scf/t, basinward of the freshwater boundary indicated on a regional hydrologic map. Vitrinite reflectance data indicate that Wilcox coals are thermally immature for gas generation in this area. Minor amounts of biogenic gas may be present, basinward of the freshwater line, but we infer that most of the Wilcox coalbed gas in the deep coal beds is migrated thermogenic gas. Analysis based on limited data suggest that sites for CO{sub 2} sequestration and enhanced coalbed gas recovery should be located basinward of the Wilcox freshwater contour, where methane content is high and the freshwater aquifer can be avoided.

Duane A. McVay; Walter B. Ayers, Jr.; Jerry L. Jensen

2004-07-01T23:59:59.000Z

388

Knowledge Discovery and Data Mining (KDDM) survey report.  

Science Conference Proceedings (OSTI)

The large number of government and industry activities supporting the Unit of Action (UA), with attendant documents, reports and briefings, can overwhelm decision-makers with an overabundance of information that hampers the ability to make quick decisions often resulting in a form of gridlock. In particular, the large and rapidly increasing amounts of data and data formats stored on UA Advanced Collaborative Environment (ACE) servers has led to the realization that it has become impractical and even impossible to perform manual analysis leading to timely decisions. UA Program Management (PM UA) has recognized the need to implement a Decision Support System (DSS) on UA ACE. The objective of this document is to research the commercial Knowledge Discovery and Data Mining (KDDM) market and publish the results in a survey. Furthermore, a ranking mechanism based on UA ACE-specific criteria has been developed and applied to a representative set of commercially available KDDM solutions. In addition, an overview of four R&D areas identified as critical to the implementation of DSS on ACE is provided. Finally, a comprehensive database containing detailed information on surveyed KDDM tools has been developed and is available upon customer request.

Phillips, Laurence R.; Jordan, Danyelle N.; Bauer, Travis L.; Elmore, Mark T. (Oak Ridge National Laboratory, Oak Ridge, TN); Treadwell, Jim N. (Oak Ridge National Laboratory, Oak Ridge, TN); Homan, Rossitza A.; Chapman, Leon Darrel; Spires, Shannon V.

2005-02-01T23:59:59.000Z

389

SPARSE AND LOW-RANK MATRIX DECOMPOSITION VIA ...  

E-Print Network (OSTI)

[18] M. Fukushima, Application of the alternating direction method of multipliers to separable convex programming problems, Computational Optimization and ...

390

ITP Mining: Energy and Environmental Profile of the U.S. Mining Industry (December 2002)  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

MINING MINING INDUSTRY OF THE FUTURE December 2002 ENERGY AND ENVIRONMENTAL PROFILE OF THE U.S. MINING INDUSTRY ENERGY AND ENVIRONMENTAL PROFILE OF THE U.S. MINING INDUSTRY December 2002 Prepared By: BCS, Incorporated Prepared for U.S. Department of Energy Office of Energy Efficiency and Renewable Energy Preface The U.S. Department of Energy and the National Mining Association are working in partnership to implement the Mining Industry of the Future strategy. Cooperatively, the two organizations selected specific mineral commodities to review in the Mining Industry Profile. These mineral commodities selected are those that require significant energy to extract and prepare for a first saleable product, and have the potential for energy and environmental improvement through research and development. The eight groups of

391

SEM: mining spatial events from the web  

Science Conference Proceedings (OSTI)

This paper is concerned with the problem of mining spatial events from the general Web. General search engine is inconvenient when searching vertical information (e.g., locations, experts) since it is designed for general purpose. For example, when finding ... Keywords: evaluation, location and topic extraction, spatial events mining

Kaifeng Xu; Rui Li; Shenghua Bao; Dingyi Han; Yong Yu

2008-05-01T23:59:59.000Z

392

Nevada Bureau of Mines and Geology  

E-Print Network (OSTI)

are included. Metals Industrial Minerals Oil and Gas Geothermal Exploration Development Mining Processing This report, twentieth of an annual series, describes 1998 mineral, oil and gas, and geothermal activities by Ronald H. Hess 45 Oil and Gas by David A. Davis 52 Directory of Mining and Milling Operations 1999 #12

Tingley, Joseph V.

393

Analyzing & debugging ILP data mining query execution  

Science Conference Proceedings (OSTI)

We present a trace based approach for analyzing the runs of Inductive Logic Programming Data Mining systems, without needing to modify the actual implementation of the ILP mining algorithms. We discuss the use of traces as the basis for easy and fast, ... Keywords: debugging, inductive logic programming, monitoring, traces

Remko Tronçon; Gerda Janssens

2005-09-01T23:59:59.000Z

394

Case studies of technology roadmapping in mining  

Science Conference Proceedings (OSTI)

Mining is a long established art with legacy processes and institutional structures that face rapidly changing technological environments. The perception is that technology planning and forecasting receives priority attention only as far as they may ... Keywords: L23, O31, Mining, Technology planning and forecasting, Technology roadmapping

Joe Amadi-Echendu; Obbie Lephauphau; Macks Maswanganyi; Malusi Mkhize

2011-03-01T23:59:59.000Z

395

Systems modelling for effective mine water management  

Science Conference Proceedings (OSTI)

Concerns about the difficulties in securing water have led the Australian coal mining industry to seek innovative ways to improve its water management and to adopt novel strategies that will lead to less water being used and more water being reused. ... Keywords: Mining, Sustainable development, Systems model, Water balance, Water resources management

Claire M. Côte; Chris J. Moran; Christopher J. Hedemann; Christian Koch

2010-12-01T23:59:59.000Z

396

Mining and explaining relationships in wikipedia  

Science Conference Proceedings (OSTI)

Mining and explaining relationships between objects are challenging tasks in the field of knowledge search. We propose a new approach for the tasks using disjoint paths formed by links in Wikipedia. To realizing this approach, we propose a naive and ... Keywords: generalized max-flow, link analysis, relationship, wikipedia mining

Xinpeng Zhang; Yasuhito Asano; Masatoshi Yoshikawa

2010-08-01T23:59:59.000Z

397

Disambiguated query suggestions and personalized content-similarity and novelty ranking of clustered results to optimize web searches  

Science Conference Proceedings (OSTI)

In this paper, we face the so called ''ranked list problem'' of Web searches, that occurs when users submit short requests to search engines. Generally, as a consequence of terms' ambiguity and polysemy, users engage long cycles of query reformulation ... Keywords: Novelty ranking, Personalized Web results ranking, Query disambiguation, Results clustering, Web meta-searching

Gloria Bordogna; Alessandro Campi; Giuseppe Psaila; Stefania Ronchi

2012-05-01T23:59:59.000Z

398

Analysis of US underground thin seam mining potential. Volume 1. Text. Final technical report, December 1978. [In thin seams  

SciTech Connect

An analysis of the potential for US underground thin seam (< 28'') coal mining is undertaken to provide basic information for use in making a decision on further thin seam mining equipment development. The characteristics of the present low seam mines and their mining methods are determined, in order to establish baseline data against which changes in mine characteristics can be monitored as a function of time. A detailed data base of thin seam coal resources is developed through a quantitative and qualitative analysis at the bed, county and state level. By establishing present and future coal demand and relating demand to production and resources, the market for thin seam coal has been identified. No thin seam coal demand of significance is forecast before the year 2000. Current uncertainty as to coal's future does not permit market forecasts beyond the year 2000 with a sufficient level of reliability.

Pimental, R. A; Barell, D.; Fine, R. J.; Douglas, W. J.

1979-06-01T23:59:59.000Z

399

WIPP Mine Rescue Team Wins, Retires Trophy  

NLE Websites -- All DOE Office Websites (Extended Search)

Wins, Retires Trophy Wins, Retires Trophy CARLSBAD, N.M., April 9, 2001 - For the third consecutive year, a Waste Isolation Pilot Plant (WIPP) mine rescue has team won the Southwestern Regional Mine Rescue Competition. The competition was April 5-6 at the Pecos River Village in Carlsbad. The WIPP Blue Mine Rescue team has been designated the best in New Mexico by winning the New Mexico State Mine Inspector's Traveling Trophy three years in a row to retire the trophy. Second place was awarded to FMC Corporation from Green River, Wyoming, while the WIPP Silver team placed third. Kevin Cummins of IMC-Kalium won first place in the benchman's competition. Joe Baca of the WIPP Blue Team won second place. Mine Rescue teams have been participating in this competition since 1981.

400

A multi-attribute method for ranking the risks from multiple hazards in a small community  

E-Print Network (OSTI)

Natural hazards, human-induced accidents, and malicious acts have caused great losses and disruptions to society. After September 11, 2001, critical infrastructure protection has become a national focus in the United States ...

Li, Hua, S.M. Massachusetts Institute of Technology

2008-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "rank mining method" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


401

Low-rank approximations with sparse factors II: penalized methods with discrete Newton-like iterations  

E-Print Network (OSTI)

Office of Advanced Scientific Computing Research, DivisionOffice of Advanced Scientific Computing Research, DivisionOffice of Advanced Scientific Computing Research, Division

Simon, Horst

2011-01-01T23:59:59.000Z

402

Data Mining in Earth System Science (DMESS 2011)  

Science Conference Proceedings (OSTI)

From field-scale measurements to global climate simulations and remote sensing, the growing body of very large and long time series Earth science data are increasingly difficult to analyze, visualize, and interpret. Data mining, information theoretic, and machine learning techniques - such as cluster analysis, singular value decomposition, block entropy, Fourier and wavelet analysis, phase-space reconstruction, and artificial neural networks - are being applied to problems of segmentation, feature extraction, change detection, model-data comparison, and model validation. The size and complexity of Earth science data exceed the limits of most analysis tools and the capacities of desktop computers. New scalable analysis and visualization tools, running on parallel cluster computers and supercomputers, are required to analyze data of this magnitude. This workshop will demonstrate how data mining techniques are applied in the Earth sciences and describe innovative computer science methods that support analysis and discovery in the Earth sciences.

Hoffman, Forrest M [ORNL; Larson, Jay [Argonne National Laboratory (ANL); Mills, Richard T [ORNL; Brooks, Bjorn [ORNL; Ganguly, Auroop R [ORNL; Hargrove, William Walter [ORNL; Huang, Jian [University of Tennessee, Knoxville (UTK); Kumar, Jitendra [ORNL; Vatsavai, Raju [ORNL

2011-01-01T23:59:59.000Z

403

Performance Evaluation of Gene Expression Programming for Hydraulic Data Mining  

E-Print Network (OSTI)

Abstract: Predication is one of the fundamental tasks of data mining. In recent years, Artificial Intelligence techniques are widely being used in data mining applications where conventional statistical methods were used such as Regression and classification. The aim of this work is to show the applicability of Gene Expression Programming (GEP), a recently developed AI technique, for hydraulic data prediction and to evaluate its performance by comparing it with Multiple Linear Regression (MLR). Both GEP and MLR were used to model the hydraulic jump over a roughened bed using very large series of experimental data that contain all the important flow and roughness parameters such as the initial Froude number, the height of roughness ratio, the length of roughness ratio, the initial length ratio (from the gate) and the roughness density. The results show that GEP is a promising AI approach for hydraulic data prediction.

Khalid Eldr; Abdel-azim Negm

2006-01-01T23:59:59.000Z

404

NETL's New Supercomputer Ranks Among the World's Top 100 | Department of  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

NETL's New Supercomputer Ranks Among the World's Top 100 NETL's New Supercomputer Ranks Among the World's Top 100 NETL's New Supercomputer Ranks Among the World's Top 100 January 15, 2013 - 12:00pm Addthis Washington, DC - One of the world's fastest, most energy-efficient supercomputers - expected to help energy researchers discover new materials, optimize designs and better predict operational characteristics - is up and running at the Office of Fossil Energy's National Energy Technology Laboratory (NETL) in Morgantown, W.Va. NETL's new supercomputer, installed at the Simulation-Based Engineering User Center, is a powerful and energy-efficient modeling tool. The High-Performance Computer for Energy and the Environment (HPCEE) is not only on the TOP500 list as one of the top 100 supercomputers in the world--currently ranked at 55--but it is also one of the most energy

405

On Using “Climatology” as a Reference Strategy in the Brier and Ranked Probability Skill Scores  

Science Conference Proceedings (OSTI)

The Brier and ranked probability skill scores are widely used as skill metrics of probabilistic forecasts of weather and climate. As skill scores, they compare the extent to which a forecast strategy outperforms a (usually simpler) reference ...

Simon J. Mason

2004-07-01T23:59:59.000Z

406

Views from the River Front: Rio Grande Decision Makers Rank Water Conservation Strategies  

E-Print Network (OSTI)

This publication details the results of a survey of elected city officials and water managers in the Rio Grande River Basin of Texas and New Mexico. The participants ranked water conservation strategies for their communities.

Silvy, Valeen; Lesikar, Bruce J.

2005-10-18T23:59:59.000Z

407

Summaries, ranked retrieval and sessions: a unified framework for information access evaluation  

Science Conference Proceedings (OSTI)

We introduce a general information access evaluation framework that can potentially handle summaries, ranked document lists and even multi query sessions seamlessly. Our framework first builds a trailtext which represents a concatenation of all ... Keywords: evaluation, metrics, sessions, test collections

Tetsuya Sakai; Zhicheng Dou

2013-07-01T23:59:59.000Z

408

Decomposition of the Continuous Ranked Probability Score for Ensemble Prediction Systems  

Science Conference Proceedings (OSTI)

Some time ago, the continuous ranked probability score (CRPS) was proposed as a new verification tool for (probabilistic) forecast systems. Its focus is on the entire permissible range of a certain (weather) parameter. The CRPS can be seen as a ...

Hans Hersbach

2000-10-01T23:59:59.000Z

409

Learning to rank answers to non-factoid questions from web collections  

Science Conference Proceedings (OSTI)

This work investigates the use of linguistically motivated features to improve search, in particular for ranking answers to non-factoid questions. We show that it is possible to exploit existing large collections of question-answer pairs (from online ...

Mihai Surdeanu; Massimiliano Ciaramita; Hugo Zaragoza

2011-06-01T23:59:59.000Z

410

CO2 SEQUESTRATION POTENTIAL OF TEXAS LOW-RANK COALS  

Science Conference Proceedings (OSTI)

The objectives of this project are to evaluate the feasibility of carbon dioxide (CO{sub 2}) sequestration in Texas low-rank coals and to determine the potential for enhanced coalbed methane (CBM) recovery as an added benefit of sequestration. there were two main objectives for this reporting period. first, they wanted to collect wilcox coal samples from depths similar to those of probable sequestration sites, with the objective of determining accurate parameters for reservoir model description and for reservoir simulation. The second objective was to pursue opportunities for determining permeability of deep Wilcox coal to use as additional, necessary data for modeling reservoir performance during CO{sub 2} sequestration and enhanced coalbed methane recovery. In mid-summer, Anadarko Petroleum Corporation agreed to allow the authors to collect Wilcox Group coal samples from a well that was to be drilled to the Austin Chalk, which is several thousand feet below the Wilcox. In addition, they agreed to allow them to perform permeability tests in coal beds in an existing shut-in well. Both wells are in the region of the Sam K. Seymour power station, a site that they earlier identified as a major point source of CO{sub 2}. They negotiated contracts for sidewall core collection and core analyses, and they began discussions with a service company to perform permeability testing. To collect sidewall core samples of the Wilcox coals, they made structure and isopach maps and cross sections to select coal beds and to determine their depths for coring. On September 29, 10 sidewall core samples were obtained from 3 coal beds of the Lower Calvert Bluff Formation of the Wilcox Group. The samples were desorbed in 4 sidewall core canisters. Desorbed gas samples were sent to a laboratory for gas compositional analyses, and the coal samples were sent to another laboratory to measure CO{sub 2}, CH{sub 4}, and N{sub 2} sorption isotherms. All analyses should be finished by the end of December. A preliminary report shows methane content values for the desorbed coal samples ranged between 330 and 388 scf/t., on ''as received'' basis. Residual gas content of the coals was not included in the analyses, which results in an approximate 5-10% underestimation of in-situ gas content. Coal maps indicate that total coal thickness is 40-70 ft in the Lower Calvert Bluff Formation of the Wilcox Group in the vicinity of the Sam K. Seymour power plant. A conservative estimate indicates that methane in place for a well on 160-acre spacing is approximately 3.5 Bcf in Lower Calvert Bluff coal beds. When they receive sorption isotherm data from the laboratory, they will determine the amount of CO{sub 2} that it may be possible to sequester in Wilcox coals. In December, when the final laboratory and field test data are available, they will complete the reservoir model and begin to simulate CO{sub 2} sequestration and enhanced CH{sub 4} production.

Duane A. McVay; Walter B. Ayers Jr; Jerry L. Jensen

2004-11-01T23:59:59.000Z

411

Low-rank coal study. Volume 4. Regulatory, environmental, and market analyses  

Science Conference Proceedings (OSTI)

The regulatory, environmental, and market constraints to development of US low-rank coal resources are analyzed. Government-imposed environmental and regulatory requirements are among the most important factors that determine the markets for low-rank coal and the technology used in the extraction, delivery, and utilization systems. Both state and federal controls are examined, in light of available data on impacts and effluents associated with major low-rank coal development efforts. The market analysis examines both the penetration of existing markets by low-rank coal and the evolution of potential markets in the future. The electric utility industry consumes about 99 percent of the total low-rank coal production. This use in utility boilers rose dramatically in the 1970's and is expected to continue to grow rapidly. In the late 1980's and 1990's, industrial direct use of low-rank coal and the production of synthetic fuels are expected to start growing as major new markets.

Not Available

1980-11-01T23:59:59.000Z

412

Low-rank coal research, Task 5.1. Topical report, April 1986--December 1992  

SciTech Connect

This document is a topical progress report for Low-Rank Coal Research performed April 1986 - December 1992. Control Technology and Coal Preparation Research is described for Flue Gas Cleanup, Waste Management, Regional Energy Policy Program for the Northern Great Plains, and Hot-Gas Cleanup. Advanced Research and Technology Development was conducted on Turbine Combustion Phenomena, Combustion Inorganic Transformation (two sections), Liquefaction Reactivity of Low-Rank Coals, Gasification Ash and Slag Characterization, and Coal Science. Combustion Research is described for Atmospheric Fluidized-Bed Combustion, Beneficiation of Low-Rank Coals, Combustion Characterization of Low-Rank Fuels (completed 10/31/90), Diesel Utilization of Low-Rank Coals (completed 12/31/90), Produce and Characterize HWD (hot-water drying) Fuels for Heat Engine Applications (completed 10/31/90), Nitrous Oxide Emission, and Pressurized Fluidized-Bed Combustion. Liquefaction Research in Low-Rank Coal Direct Liquefaction is discussed. Gasification Research was conducted in Production of Hydrogen and By-Products from Coals and in Sulfur Forms in Coal.

1993-02-01T23:59:59.000Z

413

Anaerobic biprocessing of low rank coals. Final technical report, September 12, 1990--August 10, 1993  

SciTech Connect

Coal solubilization under aerobic conditions results in oxygenated coal product which, in turn, makes the coal poorer fuel than the starting material. A novel approach has been made in this project is to remove oxygen from coal by reductive decarboxylation. In Wyodak subbituminous coal the major oxygen functionality is carboxylic groups which exist predominantly as carboxylate anions strongly chelating metal cations like Ca{sup 2+} and forming strong macromolecular crosslinks which contribute in large measure to network polymer structure. Removal of the carboxylic groups at ambient temperature by anaerobic organisms would unravel the macromoleculer network, resulting in smaller coal macromolecules with increased H/C ratio which has better fuel value and better processing prospects. These studies described here sought to find biological methods to remove carboxylic functionalities from low rank coals under ambient conditions and to assess the properties of these modified coals towards coal liquefaction. Efforts were made to establish anaerobic microbial consortia having decarboxylating ability, decarboxylate coal with the adapted microbial consortia, isolate the organisms, and characterize the biotreated coal products. Production of CO{sup 2} was used as the primary indicator for possible coal decarboxylation.

Jain, M.K.; Narayan, R.

1993-08-05T23:59:59.000Z

414

Ranking of enabling technologies for oxy-fuel based carbon capture  

Science Conference Proceedings (OSTI)

The USDOE National Energy Technology Laboratory (NETL) has begun a process to identify and rank enabling technologies that have significant impacts on pulverized coal oxy-fuel systems. Oxy-fuel combustion has been identified as a potential method for effectively capturing carbon in coal fired power plants. Presently there are a number of approaches for carbon capture via oxy-fuel combustion and it is important to order those approaches so that new research can concentrate on those technologies with high potentials to substantially lower the cost of reduced carbon electricity generation. NETL evaluates these technologies using computer models to determine the energy use of each technology and the potential impact of improvements in the technologies on energy production by a power plant. Near-term sub-critical boiler technologies are targeted for this analysis because: • most of the world continues to build single reheat sub-critical plants; • the overwhelming number of coal fired power plants requiring retrofit for CO2 capture are sub-critical plants. In addition, even in the realm of new construction, subcritical plants are common because they are well understood, easy to operate and maintain, fuel tolerant, and reliable. Following the initial investigation into sub-critical oxy-fuel technology, future investigations will move into the supercritical range.

Ochs, T.L.; Oryshchyn, D.L.; Ciferno, J.P.

2007-06-01T23:59:59.000Z

415

Low-Rank Separated Representation Surrogates of High-Dimensional Stochastic Functions: Application in Bayesian Inference  

E-Print Network (OSTI)

This study introduces a non-intrusive approach in the context of low-rank separated representation to construct a surrogate of high-dimensional stochastic functions, e.g., PDEs/ODEs, in order to decrease the computational cost of Markov Chain Monte Carlo simulations in Bayesian inference. The surrogate model is constructed via a regularized alternative least-square regression with Tikhonov regularization using a roughening matrix computing the gradient of the solution, in conjunction with a perturbation-based error indicator to detect optimal model complexities. The model approximates a vector of a continuous solution at discrete values of a physical variable. The required number of random realizations to achieve a successful approximation linearly depends on the function dimensionality. The computational cost of the model construction is quadratic in the number of random inputs, which potentially tackles the curse of dimensionality in high-dimensional stochastic functions. Furthermore, this vector valued separated representation-based model, in comparison to the available scalar-valued case, leads to a significant reduction in the cost of approximation by an order of magnitude equal to the vector size. The performance of the method is studied through its application to three numerical examples including a 41-dimensional elliptic PDE and a 21-dimensional cavity flow.

AbdoulAhad Validi

2013-06-23T23:59:59.000Z

416

Methodology for tomographic imaging ahead of mining using the shearer as a seismic source  

SciTech Connect

Poor rock conditions in a coal long wall panel can result in roof collapse when a problematic zone is mined, significantly interrupting mine production. The ability to image rock conditions (stress and degree of fracturing) ahead of the face gives the miners the ability to respond proactively to such problems. This method uses the energy from mining machinery, in this case a coal shearer, to produce an image of the rock velocity ahead of the mining face without interrupting mining. Data from an experiment illustrates the concept. Geophones installed in gate-road roofs record the noise generated by the shearer after it has traversed the panel ahead of the mining face. A generalized crosscorrelation of the signals from pairs of sensors determines relative arrival times from the continuous seismic noise produced by the shearer. These relative times can then be inverted for a velocity structure. The crosscorrelations, performed in the frequency domain, are weighted by a confidence value derived from the spectral coherence between the traces. This produces stable crosscorrelation lags in the presence of noise. The errors in the time-domain data are propagated through to the relative traveltimes and then to the final tomographic velocity image, yielding an estimate of the uncertainty in velocity at each point. This velocity image can then be used to infer information about the stress and fracture state of the rock, providing advance warning of potentially hazardous zones.

King, A.; Luo, X. [CSIRO Exploration and Mining, Kenmore, Qld. (Australia)

2009-03-15T23:59:59.000Z

417

Use of a vegetative filter zone to control fine-grained sediments from surface mines  

Science Conference Proceedings (OSTI)

The objective of this study was to demonstrate the effectiveness of a vegetative filter zone in trapping fine-grained sediments from surface mining operations. The area selected for study was located in Whitley County, Kentucky, directly below an active surface mining operation. The outslope above the filter was the primary drainage area monitored during the study. This project was initiated with the specific purpose of conducting a field test on vegetation as a viable sediment trapping medium. From the onset, the project was wholly designed for a field evaluation under typical mining conditions. The filter area was constructed directly below an abandoned surface mine bench, on typical soil types found in mined areas of Eastern Kentucky. The outslope located above the filter was the primary source area for sediment flow. Sediment-laden water samples were collected at the inlet flume for comparison with samples collected at the outlet flume to permit evaluation of the sediment removal capability of the vegetative filter. Results of the monitoring efforts revealed that a dramatic reduction in sediment load was achieved by vegetative filtration with trapping efficiencies ranging from 70 to 99% for the storms monitored. Based on results of this study, it is concluded that vegetative filters are an effective method for reducing the quantity of sediment transported into surface streams and rivers from disturbed mined lands.

Barfield, B.J.; Albrecht, S.C.

1982-12-01T23:59:59.000Z

418

West Virginia University 1 Department of Mining Engineering  

E-Print Network (OSTI)

, mining equipment, coal and mineral preparation, plant and mine design, geology, and water control of the operation of a mining enterprise. Local coal fields, mines, and preparation plants provide extensive systems, engineering principles of blasting, materials handling, ventilation, roof control, rock mechanics

Mohaghegh, Shahab

419

Underground Mine Communication and Tracking Systems : A Survey  

E-Print Network (OSTI)

the mine. The self ignition of coal seams results from an exothermic reaction of coal and oxygen to the radio communication used in mines. Both metalliferous and coal mines present an unique set of challenges, the rock and the coal bounding in the coal mine acts as relatively low-loss dielectrics with dielectric

New South Wales, University of

420

Remediation of Abandoned Mines Using Coal Combustion By-Products  

E-Print Network (OSTI)

Remediation of Abandoned Mines Using Coal Combustion By-Products Sowmya Bulusu1 ; Ahmet H. Aydilek that occurs when pyrite that is present in abandoned coal mines comes in contact with oxygen and water, which subject headings: Remedial action; Acid mine water; Mines; Coals; Recycling; Maryland; Fly ash

Aydilek, Ahmet

Note: This page contains sample records for the topic "rank mining method" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


421

N: 2009 ENAM XXXX MINES ParisTech  

E-Print Network (OSTI)

release from flooded coal and a numerical approach of dissolved methane migration in old mine structures migration through flooded mines. Other experiments have to be run to determine the influence of the coal européen FLOMINET (FLOoding management for underground coal MInes considering regional mining NETworks). Le

422

Lighting practices in coal mines of the United States  

SciTech Connect

Existing conditions of underground lighting in coal mines and attitude of coal-mining States toward mine lighting are discussed as expressed in coal-mine regulations. Types of lamps available are listed. Ways of obtaining better illumination with present lighting equipment are suggested.

Hooker, A.B.; Owings, C.W.

1938-01-01T23:59:59.000Z

423

Prediction of subsidence due to underground mining by artificial neural networks  

Science Conference Proceedings (OSTI)

Alternatively to empirical prediction methods, methods based on influential functions and on mechanical model, artificial neural networks (ANNs) can be used for the surface subsidence prediction. In our case, the multi-layer feed-forward neural network ... Keywords: approximation of functions, artificial neural network, mining damage, multi-layer feed-forward neural network, subsidence prediction

Tomaž Ambroži?; Goran Turk

2003-06-01T23:59:59.000Z

424

Next Generation Nuclear Plant Phenomena Identification and Ranking Tables (PIRTs) Volume 5: Graphite PIRTs  

DOE Green Energy (OSTI)

Here we report the outcome of the application of the Nuclear Regulatory Commission (NRC) Phenomena Identification and Ranking Table (PIRT) process to the issue of nuclear-grade graphite for the moderator and structural components of a next generation nuclear plant (NGNP), considering both routine (normal operation) and postulated accident conditions for the NGNP. The NGNP is assumed to be a modular high-temperature gas-cooled reactor (HTGR), either a gas-turbine modular helium reactor (GTMHR) version [a prismatic-core modular reactor (PMR)] or a pebble-bed modular reactor (PBMR) version [a pebble bed reactor (PBR)] design, with either a direct- or indirect-cycle gas turbine (Brayton cycle) system for electric power production, and an indirect-cycle component for hydrogen production. NGNP design options with a high-pressure steam generator (Rankine cycle) in the primary loop are not considered in this PIRT. This graphite PIRT was conducted in parallel with four other NRC PIRT activities, taking advantage of the relationships and overlaps in subject matter. The graphite PIRT panel identified numerous phenomena, five of which were ranked high importance-low knowledge. A further nine were ranked with high importance and medium knowledge rank. Two phenomena were ranked with medium importance and low knowledge, and a further 14 were ranked medium importance and medium knowledge rank. The last 12 phenomena were ranked with low importance and high knowledge rank (or similar combinations suggesting they have low priority). The ranking/scoring rationale for the reported graphite phenomena is discussed. Much has been learned about the behavior of graphite in reactor environments in the 60-plus years since the first graphite rectors went into service. The extensive list of references in the Bibliography is plainly testament to this fact. Our current knowledge base is well developed. Although data are lacking for the specific grades being considered for Generation IV (Gen IV) concepts, such as the NGNP, it is fully expected that the behavior of these graphites will conform to the recognized trends for near isotropic nuclear graphite. Thus, much of the data needed is confirmatory in nature. Theories that can explain graphite behavior have been postulated and, in many cases, shown to represent experimental data well. However, these theories need to be tested against data for the new graphites and extended to higher neutron doses and temperatures pertinent to the new Gen IV reactor concepts. It is anticipated that current and planned future graphite irradiation experiments will provide the data needed to validate many of the currently accepted models, as well as providing the needed data for design confirmation.

Burchell, Timothy D [ORNL; Bratton, Rob [Idaho National Laboratory (INL); Marsden, Barry [University of Manchester, UK; Srinivasan, Makuteswara [U.S. Nuclear Regulatory Commission; Penfield, Scott [Technology Insights; Mitchell, Mark [PBMR (Pty) Ltd.; Windes, Will [Idaho National Laboratory (INL)

2008-03-01T23:59:59.000Z

425

Paramont's Black Bear No. 4 mine does it right, again  

Science Conference Proceedings (OSTI)

The Paramont Coal Company Virginia, LLC, a subsidiary of Alpha Natural Resources, recently won the '2007 overall award for excellence in mining and reclamation from the Virginia Division of Mined Land Reclamation and the Virginia Mining Association. Coal People Magazine recently visited Black Bear No. 4 mine where a settling pond was being removed and stream bed placed to drain the area, part of the 451-acre award winning reclamation project. The article recounts discussions with mining engineers about the company's operations with emphasis on the Black Bear No. 4 mine. Black Bear No. 1 mine won five state and national awards last year for conservation and land management practices. 8 photos.

Sanda, A.

2007-07-15T23:59:59.000Z

426

STPMiner: A Highperformance Spatiotemporal Pattern Mining Toolbox  

SciTech Connect

The volume of spatiotemporal data being generated from scientific simulations and observations from sensors is growing at an astronomical rate. This data explosion is going to pose three challenges to the existing data mining infrastructure: algorithmic, computational, and I/O. Over the years we have implemented several spatiotemporal data mining algorithms including: outliers/anomalies, colocation patterns, change patterns, clustering, classification, and prediction algorithms. In this paper we briefly discuss the core spatiotemporal pattern mining algorithms along with some of the computational and I/O challenges associated with the big data.

Vatsavai, Raju [ORNL

2011-01-01T23:59:59.000Z

427

Abandoned Mine Waste Working Group report  

SciTech Connect

The Mine Waste Working Group discussed the nature and possible contributions to the solution of this class of waste problem at length. There was a consensus that the mine waste problem presented some fundamental differences from the other classes of waste addresses by the Develop On-Site Innovative Technologies (DOIT) working groups. Contents of this report are: executive summary; stakeholders address the problems; the mine waste program; current technology development programs; problems and issues that need to be addressed; demonstration projects to test solutions; conclusion-next steps; and appendices.

Not Available

1993-12-10T23:59:59.000Z

428

Knight Hawk adapts highwall mining for Southern Illinois  

SciTech Connect

A few years ago while planning their first underground operation and trying to decide how to mine shallow seams, Knight Hawk purchased a 'Superior Highwall Miner' (SHM). Since then this small innovative company has been pioneering the use of highwall mining in a trenching application in for example the Illinois Basin. Highwall mining is very suitable for contour mining in Appalachia. The article discusses the recent improvements and the advantages of SHM mining systems. 3 photos.

Buchsbaum, L.

2007-10-15T23:59:59.000Z

429

NOVEL EXCAVATION TECHNOLOGIES FOR EFFICIENT AND ECONOMIC SURFACE MINING  

SciTech Connect

Ground excavation constitutes a significant component of production costs in any surface mining operation. The excavation process entails material digging and removal in which the equipment motion is constrained by the workspace geometry. A major excavation problem is the variability of material properties, resulting in varying mechanical energy input and stress loading of shovel dipper-and-tooth assembly across the working bench. This variability has a huge impact on the shovel dipper and tooth assembly in hard formations. With this in mind, the primary objectives of the project were to (i) provide the theoretical basis to develop the Intelligent Shovel Excavation (ISE) technology to solve the problems associated with excavation in material formations; (ii) advance knowledge and frontiers in shovel excavation through intelligent navigation; and (iii) submit proposal for the design, development and implementation of the ISE technology for shovel excavation at experimental surface mining sites. The mathematical methods were used to (i) develop shovel's kinematics and dynamics, and (ii) establish the relationship between shovel parameters and the resistive forces from the material formation during excavation process. The ADAMS simulation environment was used to develop the hydraulic and cable shovel virtual prototypes. Two numerical examples are included to test the theoretical hypotheses and the obtained results are discussed. The area of sensor technology was studied. Application of specific wrist-mounted sensors to characterize the material, bucket and frame assembly was determined. Data acquisition, display and control system for shovel loading technology was adopted. The concept of data acquisition and control system was designed and a shovel boom stresses were simulated. A multi-partner collaboration between research organizations, shovel manufacturer, hardware and sensor technology companies, and surface mining companies is proposed to test design features, construct a field ready prototype and perform field testing at the surface mining sites. It is anticipated that 10% in energy savings including electricity (cable shovel) and fuel (hydraulic shovel) will be achieved by implementation of ISE technology.

Vladislav Kecojevic; Samuel Frimpong

2005-05-01T23:59:59.000Z

430

Optimal selection of robots by using distance based approach method  

Science Conference Proceedings (OSTI)

A deterministic quantitative model based on Distance Based Approach (DBA) method has been developed for evaluation, selection and ranking of robots, which is a concept hitherto not employed in selection problem of this kind. As a significant development ... Keywords: Distance based approach, Optimized selection, Ranking, Robots

Rishi Kumar; R. K. Garg

2010-10-01T23:59:59.000Z

431

MINES ParisTech | Open Energy Information  

Open Energy Info (EERE)

MINES ParisTech MINES ParisTech Jump to: navigation, search Logo: MINES ParisTech Name MINES ParisTech Address 1 Rue Claude Daunesse Place 06904 Sophia Antipolis, France Sector Education Product String representation "ParisTech is a ... iness schools)." is too long. Coordinates 43.615149095322°, 7.0526915788651° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":43.615149095322,"lon":7.0526915788651,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

432

WIPP Receives Top Mine Safety Award  

NLE Websites -- All DOE Office Websites (Extended Search)

September 18, 2013 - The U.S. Department of Energy's (DOE) Waste Isolation Pilot Plant (WIPP) received top safety honors from the New Mexico Bureau of Mine Safety (BMS) and the New...

433

Practical Data Mining, 1st edition  

Science Conference Proceedings (OSTI)

Used by corporations, industry, and government to inform and fuel everything from focused advertising to homeland security, data mining can be a very useful tool across a wide range of applications. Unfortunately, most books on the subject are designed ...

Monte F. Hancock

2011-12-01T23:59:59.000Z

434

Coal Mining Regulations (Kentucky) | Open Energy Information  

Open Energy Info (EERE)

Data Page Edit with form History Share this page on Facebook icon Twitter icon Coal Mining Regulations (Kentucky) This is the approved revision of this page, as well as...

435

Coal Mining (Iowa) | Open Energy Information  

Open Energy Info (EERE)

Data Page Edit with form History Share this page on Facebook icon Twitter icon Coal Mining (Iowa) This is the approved revision of this page, as well as being the most...

436

Coal mining technology, economics and policy 1989  

SciTech Connect

This book contains papers reported on a conference on Coal Mining Technology, Economics and policy 1989. Topics covered include: automation and controls; coal policy; coal preparation; Environment; and Management.

Not Available

1989-01-01T23:59:59.000Z

437

Data Mining for Business Applications: Introduction  

Science Conference Proceedings (OSTI)

This chapter introduces the volume on Data Mining (DM) for Business Applications. The chapters in this book provide an overview of some of the major advances in the field, namely in terms of methodology and applications, both traditional and emerging. ...

Carlos Soares; Rayid Ghani

2010-08-01T23:59:59.000Z

438

Coal Mining Regulatory and Reclamation Act (Massachusetts)  

Energy.gov (U.S. Department of Energy (DOE))

These regulations aim to ensure that any coal mining or extraction will be conducted in a manner that will not significantly damage the environment or area of land affected. The Department of...

439

Waste Minimization Plan Colorado School of Mines  

E-Print Network (OSTI)

Waste Minimization Plan Colorado School of Mines Prepared by: Environmental Health and Safety Department Revised February 2008 #12;Waste Minimization Plan Table of Contents Policy Statement Based Chemical Inventory and Database................................................4 Centralized Waste

440

WIPP Mine Rescue Team Wins Colorado Competition  

NLE Websites -- All DOE Office Websites (Extended Search)

Colorado Competition CARLSBAD, N.M., July 11, 2001 - The Silver Mine Rescue Team from the U.S. Department of Energy's (DOE) Waste Isolation Pilot Plant (WIPP) placed first in the...

Note: This page contains sample records for the topic "rank mining method" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


441

Current Mining of Olivine and Serpentine  

NLE Websites -- All DOE Office Websites (Extended Search)

CURRENT MINING OF OLIVINE AND SERPENTINE Deborah A. Kramer U.S. Geological Survey Reston, VA Mg-rich ultramafic occurrences in the United States * Includes dunite, perioditite, and...

442

Fuelcell-Hybrid Mine loader (LHD)  

DOE Green Energy (OSTI)

The fuel cell hybrid mine loader project, sponsored by a government-industry consortium, was implemented to determine the viability of proton exchange membrane (PEM) fuel cells in underground mining applications. The Department of Energy (DOE) sponsored this project with cost-share support from industry. The project had three main goals: (1) to develop a mine loader powered by a fuel cell, (2) to develop associated metal-hydride storage and refueling systems, and (3) to demonstrate the fuel cell hybrid loader in an underground mine in Nevada. The investigation of a zero-emissions fuel cell power plant, the safe storage of hydrogen, worker health advantages (over the negative health effects associated with exposure to diesel emissions), and lower operating costs are all key objectives for this project.

James L Dippo; Tim Erikson; Kris Hess

2009-07-10T23:59:59.000Z

443

Information Mining: Applications in Image Processing  

Science Conference Proceedings (OSTI)

In response to an explosive growth of collected, stored, and transferred data, Data Mining has emerged as a new research area. However, the approaches studied in this area are mostly specialized to analyze precise and highly structured data. Other sources ...

Rudolf Kruse; Aljoscha Klose

2000-11-01T23:59:59.000Z

444

Experiments on short-delay blasting in the experimental coal mine  

SciTech Connect

Results of experiments on short-delay multiple blasting conducted under actual mining conditions in Bureau of Mines Experimental coal mine, Bruceton, Pa., are summarized.

Hartmann, I.; Lewis, B.

1954-01-01T23:59:59.000Z

445

Excursion control at in situ uranium mines  

Science Conference Proceedings (OSTI)

This paper summarizes excursions (uncontrolled movement of lixiviant beyond the ore zone) based on case histories of 8 in situ uranium mines (7 in Wyoming and 1 in Texas). These case histories were compiled from data provided by the US Nuclear Regulatory Commission, the Wyoming Department of Environmental Quality, and the Texas Department of Water Resources. Most of these data were provided to the above agencies by mining companies in response to regulatory requirements pertaining to licensing actions.

Staub, W.P.

1987-01-01T23:59:59.000Z

446

Dragline mining returns to western Kentucky  

SciTech Connect

Armstrong Coal Co. now owns three Page draglines-one now operating at the Midway Surface mine, one due to go into operation at the Equality surface mine and a third that is being rebuilt also for use there. Armstrong is banking on the economics of scale to once again prove that these older machines are still the most efficient way to move large volumes of overburden. 4 photos.

Buchsbaum, L.

2009-05-15T23:59:59.000Z

447

Extracting value from coal mine methane  

Science Conference Proceedings (OSTI)

Emerging US policy to regulate greenhouse gas (GHG) emissions through a cap-and-trade program presents mine managers with a new opportunity to explore and develop methane utilization or abatement projects that generate value from the anodization of carbon offset credits. In addition, the rising focus on US energy security and domestic energy supply is promoting mine managers and engineers to give further consideration to the importance of their methane gas by-products. The market through which coal mine methane offset projects can be developed and carbon offset credits monetized is quickly maturing. While many methane utilization projects have previously been uneconomical, the carbon offset credit market provides a new set of financing tools for mine engineers to capitalize these projects today. Currently , there are two certification programs that have approved project protocols for CMM projects. The Voluntary Carbon Standard (VCS) offers a methodology approved under the Clean Development Mechanism, the international compliance based offset market under the Kyoto Protocol. The VCS protocol is applicable to projects that combust ventilation air methane (VAM) and methane extracted from pre-and post-mine drainage systems. The Chicago Climate Exchange (CCX), which operates a voluntary yet binding cap-and-trade market, also has an approved protocol for CMM projects. CCX's protocol can be applied to projects combusting VAM, and methane extracted from pre-and-post-mine drainage systems, as well as abandoned mines. The article describes two case studies - Developing a gob gas utilization project financed by carbon offset credits and First VAM oxidation system to be commissioned at an operating mine in the US. 1 tab., 4 photos.

Liebert, B. [Verdao Group (United States)

2009-06-15T23:59:59.000Z

448

Google scholar's ranking algorithm: The impact of citation counts (an empirical study).” to be published  

E-Print Network (OSTI)

Google Scholar is one of the major academic search engines but its ranking algorithm for academic articles is unknown. In recent studies we partly reverse-engineered the algorithm. This paper presents the results of our third study. While the first study provided a broad overview and the second study focused on researching the impact of citation counts, the current study focused on analyzing the correlation of an article’s age and its ranking in Google Scholar. In other words, it was analyzed if older/recent published articles are more/less likely to appear in a top position in Google Scholar’s result lists. For our study, age and rankings of 1,099,749 articles retrieved via 2,100 search queries were analyzed. The analysis revealed that an article’s age seems to play no significant role in Google Scholar’s ranking algorithm. It is also discussed why this might lead to a suboptimal ranking. 1.

Jöran Beel

2009-01-01T23:59:59.000Z

449

Word Pro - Untitled1  

U.S. Energy Information Administration (EIA) Indexed Site

Rank By Mining Method By Location 200 U.S. Energy Information Administration Annual Energy Review 2011 Anthracite Lignite Subbituminous Coal Subbituminous coal and...

450

Applications of machine learning: matching problems to tasks and methods  

Science Conference Proceedings (OSTI)

The terminology of Machine Learning and Data Mining methods does not always allow a simple match between practical problems and methods. While some problems look similar from the user's point of view, but require different methods to be solved, some ...

Maarten Van Someren; Tanja Urban?i?

2005-12-01T23:59:59.000Z

451

Sequoia retains top ranking on Graph 500 for third year running  

NLE Websites -- All DOE Office Websites (Extended Search)

12113_sequoia 12113_sequoia 11/21/2013 High Resolution Image Lawrence Livermore's Sequoia supercomputer again retained its No. 1 ranking on the Graph 500 list. Sequoia retains top ranking on Graph 500 for third year running Donald B Johnston, LLNL, (925) 423-4902, johnston19@llnl.gov High Resolution Image From left: LLNL's Adam Bertsch, Dona Crawford and Scott Futral with the certificate for No. 1 on the Graph 500 in the SC13 DOE booth. LLNL's 20 petaflops Sequoia supercomputer again retained its No. 1 ranking on the Graph 500 list, a measure of a system's ability to conduct analytic calculations -- finding the proverbial needle in the haystack. An IBM Blue Gene Q system, Sequoia was able to traverse 15,363 giga edges per second on a scale of 40 graph (a graph with 2^40 vertices). The new

452

High Hydrogen, Low Methane Syngas from Low-Rank Coals for Coal-to-Liquids  

NLE Websites -- All DOE Office Websites (Extended Search)

High Hydrogen, Low Methane Syngas from Low-Rank Coals for Coal-to-Liquids Production High Hydrogen, Low Methane Syngas from Low-Rank Coals for Coal-to-Liquids Production Southern Research Institute (SRI) Project Number: FE0012054 Project Description The focus of the project will be to develop, test, and optimize steam-reforming catalysts for converting tars, C2+ hydrocarbons, NH3, and CH4 in high-temperature and sulfur environments, increasing the ratio of hydrogen in syngas, as part of a modified, advanced gasification platform for the conversion of low-rank coals to syngas for coal-to-liquid and integrated gasification combined cycle applications. Project Details Program Background and Project Benefits Project Scope and Technology Readiness Level Accomplishments Contacts, Duration, and Cost Project Images Abstract Performer website: Southern Research Institute

453

Low-rank coal study: national needs for resource development. Volume 3. Technology evaluation  

SciTech Connect

Technologies applicable to the development and use of low-rank coals are analyzed in order to identify specific needs for research, development, and demonstration (RD and D). Major sections of the report address the following technologies: extraction; transportation; preparation, handling and storage; conventional combustion and environmental control technology; gasification; liquefaction; and pyrolysis. Each of these sections contains an introduction and summary of the key issues with regard to subbituminous coal and lignite; description of all relevant technology, both existing and under development; a description of related environmental control technology; an evaluation of the effects of low-rank coal properties on the technology; and summaries of current commercial status of the technology and/or current RD and D projects relevant to low-rank coals.

1980-11-01T23:59:59.000Z

454

Simulation assessment of CO2 sequestration potential and enhanced methane recovery in low-rank coalbeds of the Wilcox Group, east-central Texas  

E-Print Network (OSTI)

Carbon dioxide (CO2) from energy consumption is a primary source of greenhouse gases. Injection of CO2 from power plants in coalbed reservoirs is a plausible method for reducing atmospheric emissions, and it can have the additional benefit of enhancing methane recovery from coal. Most previous studies have evaluated the merits of CO2 disposal in high-rank coals. Low-rank coals in the Gulf Coastal plain, specifically in Texas, are possible targets for CO2 sequestration and enhanced methane production. This research determines the technical feasibility of CO2 sequestration in Texas low-rank coals in the Wilcox Group in east-central Texas and the potential for enhanced coalbed methane (ECBM) recovery as an added benefit of sequestration. It includes deterministic and probabilistic simulation studies and evaluates both CO2 and flue gas injection scenarios. Probabilistic simulation results of 100% CO2 injection in an 80-acre 5-spot pattern indicate that these coals with average net thickness of 20 ft can store 1.27 to 2.25 Bcf of CO2 at depths of 6,200 ft, with an ECBM recovery of 0.48 to 0.85 Bcf. Simulation results of 50% CO2 - 50% N2 injection in the same 80-acre 5-spot pattern indicate that these coals can store 0.86 to 1.52 Bcf of CO2, with an ECBM recovery of 0.62 to 1.10 Bcf. Simulation results of flue gas injection (87% N2 - 13% CO2) indicate that these same coals can store 0.34 to 0.59 Bcf of CO2, with an ECBM recovery of 0.68 to 1.20 Bcf. Methane resources and CO2 sequestration potential of low-rank coals of the Wilcox Group Lower Calvert Bluff (LCB) formation in east-central Texas are significant. Resources from LCB low-rank coals in the Wilcox Group in east-central Texas are estimated to be between 6.3 and 13.6 Tcf of methane, with a potential sequestration capacity of 1,570 to 2,690 million tons of CO2. Sequestration capacity of the LCB lowrank coals in the Wilcox Group in east-central Texas equates to be between 34 and 59 years of emissions from six power plants in this area. These technical results, combined with attractive economic conditions and close proximity of many CO2 point sources near unmineable coalbeds, could generate significant projects for CO2 sequestration and ECBM production in Texas low-rank coals.

Hernandez Arciniegas, Gonzalo

2006-08-01T23:59:59.000Z

455

Data Mining of Coal Mining Gas Time Series and Knowledge Discovery  

Science Conference Proceedings (OSTI)

Use the data mining techniques to discover the regularity knowledge from the gas sensor monitoring history database is very important approach for the supervisors to identify the reason causing the exceptional fluctuation automatically and make the correct ... Keywords: data mining, time series, clustering, shape measure, knowledge discovery

Shisong Zhu; Yunjia Wang; Lifang Kong

2011-10-01T23:59:59.000Z

456

MMDS 08 Edward Chang, Google 1 Mining LargeMining Largescale Social Networksscale Social Networks  

E-Print Network (OSTI)

MMDS 08 Edward Chang, Google 1 Mining LargeMining Largescale Social Networksscale Social Networks Challenges & Scalable SolutionsChallenges & Scalable Solutions Edward Chang Google Research #12;MMDS 08 Edward Chang, Google 2 Collaborators · Prof. Chih-Jen Lin (NTU) · Hongjie Bai (Google) · Wen-Yen Chen

Chang, Edward Y.

457

ESF Mine Power Center Platforms  

SciTech Connect

The purpose and objective of this analysis is to structurally evaluate the existing Exploratory Studies Facility (ESF) mine power center (MPC) support frames and to design service platforms that will attach to the MPC support frames. This analysis follows the Development Plan titled ''Produce Additional Design for Title 111 Evaluation Report'' (CRWMS M&O 1999a). This analysis satisfies design recommended in the ''Title III Evaluation Report for the Surface and Subsurface Power System'' (CRWMS M&O 1999b, Section 7.6) and concurred with in the ''System Safety Evaluation of Title 111 Evaluation Reports Recommended Work'' (Gwyn 1999, Section 10.1.1). This analysis does not constitute a level-3 deliverable, a level-4 milestone, or a supporting work product. This document is not being prepared in support of the Monitored Geologic Repository (MGR) Site Recommendation (SR), Environmental Impact Statement (EIS), or License Application (LA) and should not be cited as a reference in the MGR SR, EIS, or LA.

T.A. Misiak

2000-02-10T23:59:59.000Z

458

Process to improve boiler operation by supplemental firing with thermally beneficiated low rank coal  

DOE Patents (OSTI)

The invention described is a process for improving the performance of a commercial coal or lignite fired boiler system by supplementing its normal coal supply with a controlled quantity of thermally beneficiated low rank coal, (TBLRC). This supplemental TBLRC can be delivered either to the solid fuel mill (pulverizer) or directly to the coal burner feed pipe. Specific benefits are supplied based on knowledge of equipment types that may be employed on a commercial scale to complete the process. The thermally beneficiated low rank coal can be delivered along with regular coal or intermittently with regular coal as the needs require.

Sheldon, Ray W. (Huntley, MT)

2001-01-01T23:59:59.000Z

459

Program on Technology Innovation: Advanced Concepts in Slurry-Fed Low-Rank Coal Gasification  

Science Conference Proceedings (OSTI)

This report documents the results of a Technology Innovation screening study of concepts for improving the performance of slurry-fed gasification combined cycle power plants on low rank coals by using two innovative coal preparation technologies: coal slurries with liquid CO2 as the fluid, and hot water drying. Slurry-fed gasification technologies have a cost advantage over dry-fed systems, but they suffer a large performance penalty when used on low rank coals because of the large fraction of water and ...

2006-12-01T23:59:59.000Z

460

Drilling and blasting techniques and costs for strip mines in Appalachia  

SciTech Connect

On-site investigations of blasting techniques were conducted at twenty surface coal mining operations in the steep slopes of Appalachia. The mine sites represented a range of mountain mining methods and annual coal production levels; all sites used similar techniques and equipment for the removal of fragmented waste rock. Hole loading characteristics and constraints limiting blast designs were observed at each mine site. This report summarizes technical blasting data and geological conditions which require special design considerations. Three mine sites were selected for future research in fragmentation efficiency. Detailed economic data on drilling and blasting were gathered from the three research sites and are reported herein. A great deal of fragmentation difficulties stem from tough, unpredictable geology with specific bedding characteristics and local zones of defined structural weaknesses such as jointing and vertical seams. Exceptionally hard bedrock, existing as a caprock or as the basal layer above the coal seam, persists as the cause of oversize rock breakage or, in the latter case, damage to the coal unless special precautions are taken. Federal blasting regulations strictly control the amount of explosives used as well as throw of the fragmented rock. This requires that blasting modifications be employed. The nature and extent of blast modifications were observed to be related to terrain and demographic conditions around the mine site. Drilling and blasting costs reported for the three mine sites averaged $0.21 per cubic yard of material blasted. Drilling costs varied widely, as drilling time was indicative of geologies and often, drilling costs remained the greatest percentage of total blasting and drilling costs.

Aimone, C.T.

1980-06-01T23:59:59.000Z

Note: This page contains sample records for the topic "rank mining method" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


461

Surface Coal Mining and Reclamation (Indiana) | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Surface Coal Mining and Reclamation (Indiana) Surface Coal Mining and Reclamation (Indiana) Surface Coal Mining and Reclamation (Indiana) < Back Eligibility Agricultural Commercial Fed. Government Industrial Institutional Investor-Owned Utility Local Government Low-Income Residential Multi-Family Residential Municipal/Public Utility Nonprofit Residential Rural Electric Cooperative State/Provincial Govt Tribal Government Utility Program Info State Indiana Program Type Environmental Regulations Provider Department of Natural Resources The Indiana Department of Natural Resources implements and enforces the federal Surface Mining Control and Reclamation Act of 1977, as well as a statewide program to protect society and the environment from the adverse effects of mining operations, and regulates coal mining operations to

462

Research on Automatically Identification of Diagonal Air-flow Branches of Complex Ventilation System of Coal Mines  

Science Conference Proceedings (OSTI)

air-flow branches identification and stability analysis is one of the core contents of stability and reliability theory of mine ventilation system. This current paper takes deeply research on diagonal air-flow branches. Limitations of the path method ... Keywords: diagonal air-flow branch, path collection, path method, node-position method

Feng Cai, Zegong Liu

2012-07-01T23:59:59.000Z

463

CANADIAN EXPERIENCE IN THE MEASUREMENT AND CONTROL OF RADIATION HAZARDS IN URANIUM MINES AND MILLS  

SciTech Connect

Apparatases developed for field sampling and measurement of radon are described. A battery-operated air sampler for the collection of radon daughters is described along with a battery-operated, alpha scintillation detector for the measurement of radon daughter products. A method is presented for estimating rate of exposure to U from the excretion rate of U in urine, and evaluation of personnel exposed to U in mine and mill. The principles of airborne hazards control in Canadian mines are outlined and discussed in terms of ventilation, control of radon-laden water, and dust control. (W.L.H.)

Simpson, S.D.; Stewart, C.G.; Yourt, G.R.; Bloy, H.

1959-10-31T23:59:59.000Z

464

Impact analysis of OSM regulations on highwall mining systems. Final report  

SciTech Connect

The establishment of the federal surface mining performance standards has placed additional restraints on auger mining. The federal regulations impose barrier pillar and hole sealing requirements on augering, stipulate time frames for hole sealing and discharge treatment, and prohibit auger mining under certain conditions. Barrier pillar requirements between groups of auger holes and between auger holes and underground workings decrease the augerable reserve base on a site by a minimum of ten percent. Barrier requirements may also reduce productivity levels due to increased delay and scheduling problems. Federal auger hole sealing requirements are more stringent than most state regulations, and consequently have increased the cost of augering in almost all auger mining areas. The availability of impervious materials on the site and the extent of backfilling required to form a water-tight seal may have the greatest effect on auger hole reclamation costs. The federal regulations require auger mining to be prohibited: if adverse water quality impacts cannot be prevented; if stability of sealings cannot be achieved; if subsidence resulting from augering may damage powerlines, pipelines, buildings, or other facilities; or if coal reserve recovery is not maximized by augering. As a result, all up dip augering may be restricted on the grounds that seal stability cannot be maintained for long time periods if water pressure builds behind the plug. Also, since tradiational augering techniques have a lower recovery rate than surface or underground methods, augering may be prohibited in many situations by the stipulation that maximum resource recovery will not be achieved.

Not Available

1980-09-01T23:59:59.000Z

465

Environmental Evaluation on Atmosphere Radioactive Pollution of Uranium Mine Shaft Ventilation Exhausts  

Science Conference Proceedings (OSTI)

A study on calculation and evaluation on atmosphere radioactive pollution of uranium mine well ventilation exhaust gas is presented in this paper. Neutral atmosphere conditions were taken into consideration. Nuclear industry standards on safety protection ... Keywords: atmosphere pollution, radiation protection, environmental evaluation, control methods

Dong Xie; Zehua Liu; Jun Xiong; Jianxiang Liu

2012-03-01T23:59:59.000Z

466

Research of Cluster-OFDM System for Underground Coal Mine PLCs  

Science Conference Proceedings (OSTI)

Power line communication (PLC) is one of the most attractive communication methods for in-home networks. However, the emissions of unwanted electric waves from PLC system, noise, inter-symbol interference (ISI) and inter-channel interference (ICI) cause ... Keywords: Cluster-OFDM, underground coal mine, power line communication

Shaoliang Wei; Haijun Wang; Fengyu Cheng; Yimin Chen; Rujun Han

2008-12-01T23:59:59.000Z

467

Observe-mine-adopt (OMA): an agile way to enhance software maintainability  

Science Conference Proceedings (OSTI)

We introduce the observe-mine-adopt (OMA) paradigm that assists organizations in making improvements to their software development processes without committing to and undertaking large-scale sweeping organizational process improvement. Specifically, ... Keywords: agile methods, experimental study, maintainability measurement, process improvement, software maintainability, software maintenance

Jane Huffman Hayes; Naresh Mohamed; Tina Hong Gao

2003-09-01T23:59:59.000Z

468

Low rank coal upgrading in a flow of hot water  

Science Conference Proceedings (OSTI)

Simultaneous hydrothermal degradation and extraction at around 350{sup o}C using flowing solvent as a reaction/extraction medium were proposed for upgrading brown coal, more specifically, for converting brown coal into several fractions having different molecular weight and chemical structure under mild conditions. When an Australian brown coal, Loy Yang coal, was treated by water at 350{sup o}C under 18 MPa, the coal was separated into four fractions: gaseous product by 8% yield, water-soluble extract at room temperature (soluble) by 23% yield, extract precipitates as solid at room temperature (deposit) by 23% yield, and residual coal (upgraded coal) by 46% yield on daf basis. The separation was found to be realized by in situ extraction of low-molecular-weight substances released from coal macromolecular structure and/or those generated by hydrothermal decomposition reactions at 350{sup o}C. The solid products obtained, deposit and upgraded coal, were characterized in detail to examine the possibility of their effective utilization as solid fuel and chemical feed stock. The upgraded coal showed higher heating value and higher gasification reactivity than the parent coal, indicating that the upgraded coal can be a better solid fuel than the parent coal. The solid extract, deposit, was found to show thermoplasticity at less than 200{sup o}C, suggesting the possibility of utilizing the deposit as a raw material of high performance carbon materials. Several variables affecting the performance of the proposed method are also examined in detail in this paper. 12 refs., 8 figs., 3 tabs.

Masato Morimoto; Hiroyuki Nakagawa; Kouichi Miura [Kyoto University, Kyoto (Japan). Department of Chemical Engineering

2009-09-15T23:59:59.000Z

469

Comparison of avian species diversity and densities on non-mined and reclaimed surface-mined land in east-central Texas  

E-Print Network (OSTI)

Surface mining often changes the native landscape and vegetation of an area. Reclamation is used to counter this change, with the goal of restoring the land to its original pre-mined state. The process of reclamation creates early successional-stage lands, such as grasslands, shrublands, and wetlands, attracting new plant and animal species to the area. I compared avian species density (number of individuals/ha), diversity (H'), and richness (number of species/ha) on reclaimed and non-mined lands at TXU's Big Brown Mine in Fairfield, Texas. I also compared my results to those of a previous study conducted 25 years earlier. Avian counts were conducted using a fixedradius point-count method on 240 points placed in four different vegetation types and in four land-age groups (time since being reclaimed). Vegetation was measured both locally, and at a landscape level. Overall bird species density did not exhibit a clear relationship on non-mined versus reclaimed land. Overall bird species diversity was greater on non-mined lands, whereas overall species richness was greater on reclaimed lands. My results demonstrated a lower mean/point bird density and higher mean/point bird diversity than were found 25 years earlier. Different nesting guilds occurred on the reclaimed lands than occurred on the non-mined lands. Results suggested different species were attracted to the several successional stages of reclaimed lands over the nonmined lands, which consisted of climax vegetation. The different successional stages of reclaimed lands increased overall diversity and richness of the landscape as a whole. Five bird species of conservation concern were observed in the study, all of which occurred on reclaimed land. Four of the five species primarily occurred on reclaimed lands. Future land management should include conserving different successional-stage lands to increase overall biotic diversity and richness of mined land, preserving reclaimed habitat for species of concern, and educating future private landowners on the importance of maintaining vegetative and bird species diversity.

Wenzel, Dawn Nicole

2006-08-01T23:59:59.000Z

470

Coal rank trends in western Kentucky coal field and relationship to hydrocarbon occurrence  

SciTech Connect

Extensive oil and gas development has occurred in the high volatile C bituminous region north of the Rough Creek fault zone, but few pools are known within the Webster syncline south of the fault zone. The rank of the Middle Pennsylvanian coals can be used to estimate the level of maturation of the Devonian New Albany Shale, a likely source rock for much of the oil and gas in the coal field. Based on relatively few data points, previous studies on the maturation of the New Albany Shale, which lies about 1 km below the Springfield coal, indicate an equivalent medium volatile bituminous (1.0-1.2% R{sub max}) rank in the Fluorspar district. New Albany rank decreases to an equivalent high volatile B/C (0.6% R{sub max}) north of the Rough Creek fault zone. Whereas the shale in the latter region is situated within the oil generation window, the higher rank region is past the peak of the level of maturation of the New Albany Shale. The significance of the New Albany reflectancy is dependent on the suppression of vitrinite reflectance in organic-rich shales. The possibility of reflectance suppression would imply that the shales could be more mature than studies have indicated.

Hower, J.C.; Rimmer, S.M.; Williams, D.A.; Beard, J.G. (Univ. of Kentucky, Lexington (USA))

1989-09-01T23:59:59.000Z

471

Carrot Production Texas ranks 5th in U.S. production.  

E-Print Network (OSTI)

Carrot Production · Texas ranks 5th in U.S. production. · 9,400 acres are grown in Texas; annual or alternativesfordichloropropeneandoxamylfornematodecontrol. Carrots in Texas Crop Brief on Production, Pests, & Pesticides TheAgricultureProgram The Texas A by The Agriculture Program of the Texas A&M University System on critical pest problems and pesticide needs for Texas

Wilkins, Neal

472

Citrus Production Texas ranks 3rd in U.S. production.  

E-Print Network (OSTI)

Citrus Production · Texas ranks 3rd in U.S. production. · Cash receipts for farmers exceed $29 million annually. · Total impact in the Texas economy exceeds $93 million. · Over 32,000 acres are grown for citrus production in Texas. · Key problems include mites, scales, leaf cutting ants and fire ants. Citrus

Wilkins, Neal

473

Peanut Production Texas ranks 2nd in U.S. peanut production.  

E-Print Network (OSTI)

Peanut Production · Texas ranks 2nd in U.S. peanut production. · Peanuts generate $560 million for farmers. The state impact exceeds $1.8 billion. · Over 70% of the state's production is in the west Texas/ foliarfeeders. · Organophosphates are important in Texas and are applied on 10% of the acres. These include

Wilkins, Neal

474

Semiparametrically efficient inference based on signed ranks in symmetric independent component models  

E-Print Network (OSTI)

We consider semiparametric location-scatter models for which the $p$-variate observation is obtained as $X=\\Lambda Z+\\mu$, where $\\mu$ is a $p$-vector, $\\Lambda$ is a full-rank $p\\times p$ matrix and the (unobserved) random $p$-vector $Z$ has marginals that are centered and mutually independent but are otherwise unspecified. As in blind source separation and independent component analysis (ICA), the parameter of interest throughout the paper is $\\Lambda$. On the basis of $n$ i.i.d. copies of $X$, we develop, under a symmetry assumption on $Z$, signed-rank one-sample testing and estimation procedures for $\\Lambda$. We exploit the uniform local and asymptotic normality (ULAN) of the model to define signed-rank procedures that are semiparametrically efficient under correctly specified densities. Yet, as is usual in rank-based inference, the proposed procedures remain valid (correct asymptotic size under the null, for hypothesis testing, and root-$n$ consistency, for point estimation) under a very broad range of ...

Ilmonen, Pauliina; 10.1214/11-AOS906

2012-01-01T23:59:59.000Z

475

Identifying, Indexing, and Ranking Chemical Formulae and Chemical Names in Digital Documents  

Science Conference Proceedings (OSTI)

End-users utilize chemical search engines to search for chemical formulae and chemical names. Chemical search engines identify and index chemical formulae and chemical names appearing in text documents to support efficient search and retrieval in the ... Keywords: Chemical name, chemical formula, conditional random fields, entity extraction, hierarchical text segmentation, independent frequent subsequence, index pruning, query models, ranking, similarity search, support vector machines

Bingjun Sun; Prasenjit Mitra; C. Lee Giles; Karl T. Mueller

2011-04-01T23:59:59.000Z

476

Comparison of Brazilian researchers in clinical medicine: are criteria for ranking well-adjusted?  

Science Conference Proceedings (OSTI)

Quantifying the relative performance of individual scholars has become an integral part of decision-making in research policy. The objective of the present study was to evaluate if the scholarship rank of Brazilian Council for Scientific and Technological ... Keywords: Clinical medicine, H index, Health postgraduate programs, Health sciences, I23, Scientific publication indicators, Scopus

Eduardo A. Oliveira; Enrico A. Colosimo; Daniella R. Martelli; Isabel G. Quirino; Maria Christina Oliveira; Leonardo S. Lima; Ana Cristina Simões E Silva; Hercílio Martelli-Júnior

2012-02-01T23:59:59.000Z

477

Combining relevancy and methodological quality into a single ranking for evidence-based medicine  

Science Conference Proceedings (OSTI)

Evidence-based medicine has recently received a large amount of attention in medical research. To help clinical practices use evidence-based medicine, it should be easy to find the best current evidence that is relevant to the clinical question and has ... Keywords: Classification, Document quality, Evidence-based medicine, Ranking

Sungbin Choi; Borim Ryu; Sooyoung Yoo; Jinwook Choi

2012-12-01T23:59:59.000Z

478

Low-rank coal research: Volume 2, Advanced research and technology development: Final report  

SciTech Connect

Volume II contains articles on advanced combustion phenomena, combustion inorganic transformation; coal/char reactivity; liquefaction reactivity of low-rank coals, gasification ash and slag characterization, and fine particulate emissions. These articles have been entered individually into EDB and ERA. (LTN)

Mann, M.D.; Swanson, M.L.; Benson, S.A.; Radonovich, L.; Steadman, E.N.; Sweeny, P.G.; McCollor, D.P.; Kleesattel, D.; Grow, D.; Falcone, S.K.

1987-04-01T23:59:59.000Z

479

Contingency ranking based on combination of severity indices in dynamic security analysis  

Science Conference Proceedings (OSTI)

This paper presents a novel severity index to analyze power system dynamic stability. Application of severity indices in dynamic stability assessment is very complex and this paper proposes severity indices for dynamic contingency ranking. These indices ... Keywords: combination of indices, dynamic security, severity indices, transient stability

S. Jadid; S. Jalilzadeh

2005-03-01T23:59:59.000Z

480

Evaluation of a Dow-Based Gasification-Combined-Cycle Plant Using Low-Rank Coals  

Science Conference Proceedings (OSTI)

This feasibility study developed performance and cost data for two different Dow-based gasification-combined-cycle (GCC) power plants, designed to fire either Texas lignite or Wyoming subbituminous coals at a Gulf Coast location. It demonstrated the cost-effectiveness and efficiency of these plants for generating power from low-rank coals.

1989-04-25T23:59:59.000Z

Note: This page contains sample records for the topic "rank mining method" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


481

Consistent visual words mining with adaptive sampling  

Science Conference Proceedings (OSTI)

State-of-the-art large-scale object retrieval systems usually combine efficient Bag-of-Words indexing models with a spatial verification re-ranking stage to improve query performance. In this paper we propose to directly discover spatially verified visual ...

Pierre Letessier; Olivier Buisson; Alexis Joly

2011-04-01T23:59:59.000Z

482

Rehabilitation of semi-arid coal mine spoil bank soils with mine residues and farm organic by-products  

SciTech Connect

A method of rehabilitating coal mine soils was studied under the conditions of a semi-arid climate, lack of topsoil but availability of farm by-products in NE Spain. The objectives of the research were to assess a new method in order to achieve a suitable substrate for the establishment of native vegetation, to evaluate environmental impacts associated with the reclamation process, and to determine the time necessary to integrate the treated area into the surrounding environment. Eight plots (10 x 35 m{sup 2}) were established in September 1997. Substrate combinations of two types of mine spoil (coal dust and coarse-sized material), two levels of pig slurry (39 and 94 Mg ha{sup -1}dry-wt), and cereal straw (0 and 15 Mg ha{sup -1}) were applied. Monitoring of select physical and chemical soil properties and vegetation characteristics was performed from 1997 until 2005. The bulk density and the saturated hydraulic conductivity measured did not limit plant development and water availability. Initial substrate salinity (1.37 S m{sup -1}) decreased with time and in the long term did not limit plant colonization to salinity-adapted species. Initial nitrate concentration was 298 mg kg{sup -1}, but was reduced significantly to acceptable values in 3 years (55 mg kg{sup -1}) and the measured pH (7.6) was maintained at the level of initial spoil values. Vegetation cover reached up to 90%. In the treated area, spontaneous vegetation cover (15 to 70%) colonized the nonsown areas widely. In the medium term, vegetation cover tended to be higher in plots with a thicker layer of coal dust material and the higher slurry rate. Soil rehabilitation and environmental reintegration, taking into account soil and vegetation indicators, was possible in the studied area with low cost inputs using residual materials from mining activities and animal husbandry by-products.

Salazar, M.; Bosch-Serra, A.; Estudillos, G.; Poch, R.M. [University of Lleida, Lleida (Spain). Dept. of Environmental & Soil Science

2009-07-01T23:59:59.000Z

483

Rule of Tennessee Department of Conservation Division of Surface Mining  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Rule of Tennessee Department of Conservation Division of Surface Rule of Tennessee Department of Conservation Division of Surface Mining (Tennessee) Rule of Tennessee Department of Conservation Division of Surface Mining (Tennessee) < Back Eligibility Commercial Construction Industrial Retail Supplier Program Info State Tennessee Program Type Environmental Regulations Siting and Permitting Provider Tennessee Department Of Environment and Conservation The Division of Surface Mining, under the authority of the Department of Environment and Conservation, has established rules specific to the mining of coal. All coal mining operations must first obtain a National Pollution Discharge Elimination System Permit (NPEDS) from the Division of Water Pollution Control (WPC). In addition they must obtain a state mining Surface Mining Permit from the Division of Water Pollution Control, Mining

484

Minerals and Mining Program (South Dakota) | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

and Mining Program (South Dakota) and Mining Program (South Dakota) Minerals and Mining Program (South Dakota) < Back Eligibility Commercial Developer Fed. Government Industrial Installer/Contractor Investor-Owned Utility Local Government Municipal/Public Utility Rural Electric Cooperative State/Provincial Govt Tribal Government Utility Program Info State South Dakota Program Type Siting and Permitting Provider South Dakota Department of Environment and Natural Resources The Minerals and Mining Program has the authority to oversee mining activities in the state and issue regulations pertaining to the permitting and environmental impact mitigation of, and reclamation following, exploration, mining, and oil and gas production. Exploration and mining activities require permits, and mines require licenses for construction and

485

Georgia Surface Mining Act of 1968 (Georgia) | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Surface Mining Act of 1968 (Georgia) Surface Mining Act of 1968 (Georgia) Georgia Surface Mining Act of 1968 (Georgia) < Back Eligibility Commercial Construction Developer General Public/Consumer Industrial Program Info State Georgia Program Type Environmental Regulations Siting and Permitting Provider Georgia Department of Natural Resources This law regulates all surface mining in Georgia, including the coastal zone. It includes provisions to "advance the protection of fish and wildlife and the protection and restoration of land, water, and other resources affected by mining." It establishes authority with Georgia DNR's Environmental Protection Division to issue mining permits consistent with the purposes of the Act. Prior to commencing any surface mining operation a mining operator shall be required to obtain a permit to

486

Westinghouse Earns Mine Safety Award for Exceptional Underground Operations  

NLE Websites -- All DOE Office Websites (Extended Search)

Westinghouse Earns Mine Safety Award Westinghouse Earns Mine Safety Award For Exceptional Underground Operations CARLSBAD, N.M., October 5, 2000 - For the 14 th consecutive year, the Westinghouse Waste Isolation Division (WID) has been recognized for "excellence in underground operations" at the U.S. Department of Energy's (DOE) Waste Isolation Pilot Plant (WIPP). On September 19, New Mexico State Inspector of Mines Gilbert Miera and the New Mexico Mining Association presented Westinghouse with the "Mine Operator of the Year" award. The presentation took place at the New Mexico Mining Association's annual convention in Farmington. The "Mine Operator of the Year" award recognizes Westinghouse's close attention to safety in a mining environment. WID received the award in the category of "non-producing

487

Data Mining and XML: Current and Future Issues  

Science Conference Proceedings (OSTI)

The paper describes potential synergies between data mining and XML, which include the representation of discovered data mining knowledge, knowledge discovery from XML documents, XML-based data preparation, and XML-based domain knowledge. Each category ...

A. G. Büchner; M. D. Mulvenna; S. S. Anand; M. Baumgarten; R. Böhm

2000-06-01T23:59:59.000Z

488

Damage to residential structures from surface mine blasting  

SciTech Connect

The Bureau of Mines has studied the problem of cracking in residential structure walls from vibrations produced by blasting in surface mines. Direct observations were made of blasting damage consisting primarily of cosmetic cracking.

Siskind, D.E.

1980-01-01T23:59:59.000Z

489

Mining big data: current status, and forecast to the future  

Science Conference Proceedings (OSTI)

Big Data is a new term used to identify datasets that we can not manage with current methodologies or data mining software tools due to their large size and complexity. Big Data mining is the capability of extracting useful information ...

Wei Fan; Albert Bifet

2013-04-01T23:59:59.000Z

490

A Visualization Application for the Mining Industry Using Standard Tools  

E-Print Network (OSTI)

-mining related data, such as the look of the exposed orebody, the overburden material, the reclaimed area-Based Visualization of Reclaimed Mine Sites". APCOM'99: Computer Applications in the Minerals Industries, Golden, CO

491

An improved formulation of the underground mine scheduling ...  

E-Print Network (OSTI)

ation of mine production schedules that improve profitability through selective mining. As a secondary contribution, an improved formulation set within a resource production/consumption framework is presented, ...... Exploration, 2001. 7.

492

Efficient mining of emerging events in a dynamic spatiotemporal environment  

Science Conference Proceedings (OSTI)

This paper presents an efficient data mining technique for modeling multidimensional time variant data series and its suitability for mining emerging events in a spatiotemporal environment. The data is modeled using a data structure that interleaves ...

Yu Meng; Margaret H. Dunham

2006-04-01T23:59:59.000Z

493

Simbol Mining Corp | Open Energy Information  

Open Energy Info (EERE)

Simbol Mining Corp Simbol Mining Corp Jump to: navigation, search Name Simbol Mining Corp. Place Houston, Texas Zip 77007 Sector Carbon, Geothermal energy Product Houston-based early stage company commercialising zero waste, zero carbon footprint production processes for lithium, EMD, and zinc battery chemicals produced from geothermal brines. Coordinates 29.76045°, -95.369784° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":29.76045,"lon":-95.369784,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

494

Catalyzed steam gasification of low-rank coals to produce hydrogen  

Science Conference Proceedings (OSTI)

Advanced coal gasification technologies using low-rank coal is a promising alternative for meeting future demand for hydrogen. Steam gasification tests conducted at temperatures between 700/sup 0/ and 800/sup 0/C and atmospheric pressure resulted in product gas compositions matching those predicted by thermodynamic equilibrium calculations, 63-65 mol% hydrogen and less than 1 mol% methane. Steam gasification tests with four low-rank coals and a single bituminous coal were performed in a laboratory-scale thermogravimetric analyzer (TGA) at temperatures of 700/sup 0/, 750/sup 0/, and 800/sup 0/C to evaluate process kinetics with and without catalyst addition. Catalysts screened included K/sub 2/CO/sub 3/, Na/sub 2/CO/sub 3/, trona, nahcolite, sunflower hull ash, and recycled lignite ash. Uncatalyzed lignites and a subbituminous coal were found to be eight to ten times more reactive with steam at 700/sup 0/ to 800/sup 0/C than an Illinois bituminous coal. This relationship, within this narrow temperature range, is important as this is the range that thermodynamically favors the production of hydrogen from steam gasification at atmospheric pressure. The reactivity of the uncatalyzed coals increased 3 to 4 times with an increase in steam gasification temperature from 700/sup 0/ to 800/sup 0/C. For the catalyzed coals during steam gasification: Reactivity increased approximately 2 times over the 700/sup 0/ to 800/sup 0/C temperature range for low-rank coals catalyzed with potassium carbonate. Sodium carbonate was found to be as effective a catalyst as potassium carbonate for the steam gasification of low-rank coal chars on a mass loading basis; and naturally occurring mineral sources of sodium carbonates/bicarbonates, trona and nahcolite, are as effective in catalyzing low-rank coal steam gasification as the pure carbonates. 18 refs., 6 figs., 2 tabs.

Sears, R.E.; Timpe, R.C.; Galegher, S.J.; Willson, W.G.

1986-04-01T23:59:59.000Z

495

A generic study of strip mining impacts on groundwater resources  

E-Print Network (OSTI)

This report evaluates the influence of strip mining features, commonly found in the Northern Great Plains Coal Region, on ground

Hamilton, David Andrew

1977-01-01T23:59:59.000Z

496

Mining Electrification: An Investigation of the Use of Electric Equipment in the Mining Industry  

Science Conference Proceedings (OSTI)

Mining is a diverse industry that touches multiple industries with products extracted from the earth. Because of this, it is common to have one type of mining experiencing difficulty meeting demand, while another type may be cutting back operations due to poor market conditions. For example, recent economic conditions have had the sand and gravel industry in a slump because of cut backs in construction projects. At the very same time, the coal mining business was booming because there was a very high dem...

2010-12-02T23:59:59.000Z

497

Method of lining a vertical mine shaft with concrete  

DOE Patents (OSTI)

The apparatus includes a cylindrical retainer form spaced inwardly of the wall of the shaft by the desired thickness of the liner to be poured and having overlapping edges which seal against concrete flow but permit the form to be contracted to a smaller circumference after the liner has hardened and is self-supporting. A curb ring extends downwardly and outwardly toward the shaft wall from the bottom of the retainer form to define the bottom surface of each poured liner section. An inflatable toroid forms a seal between the curb ring and the shaft wall. A form support gripper ring having gripper shoes laterally extendable under hydraulic power to engage the shaft wall supports the retainer form, curb ring and liner until the newly poured liner section becomes self-supporting. Adjusting hydraulic cylinders permit the curb ring and retainer form to be properly aligned relative to the form support gripper ring. After a liner section is self-supporting, an advancing system advances the retainer form, curb ring and form support gripper ring toward a shaft boring machine above which the liner is being formed. The advancing system also provides correct horizontal alignment of the form support gripper ring.

Eklund, James D. (Mattawa, WA); Halter, Joseph M. (Richland, WA); Rasmussen, Donald E. (Spokane, WA); Sullivan, Robert G. (Richland, WA); Moffat, Robert B. (Federal Way, WA)

1981-01-01T23:59:59.000Z

498

Meteorological phenomena forecast using data mining prediction methods  

Science Conference Proceedings (OSTI)

The occurrence of various meteorological phenomena, such as fog or low cloud cover, has significant impact on many human activities as air or ship transport operations. The management of air traffic at the airports was the main reason to design effective ... Keywords: decision trees, meteorological data, neural networks, prediction

František Babi?; Peter Bednár; František Albert; Ján Parali?; Juraj Bartók; Ladislav Hluchý

2011-09-01T23:59:59.000Z

499

Web Search/Browse Log Mining: Challenges, Methods, and Applications  

E-Print Network (OSTI)

propositional logic, in: Towards mathematical philosophy, Trends Log. Stud. Log. Libr. 28, Springer, Dordrecht

Pei, Jian

500

Coal mine ground control. 3rd ed.  

Science Conference Proceedings (OSTI)

The third edition not only completely revises and updates the original subject areas, but also is broadened to include a number of new topics such as high horizontal stresses, computer modeling, and highwall stability. The subject areas covered in this book define the current field of coal mine ground control, except for the recently emerging topic of mine seals and some conventional subjects such as coal/rock cutting and impoundment dams. It contains 1,134 references from all published sources, and archived since 1876.

Peng, S.S.

2008-09-15T23:59:59.000Z