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Note: This page contains sample records for the topic "logging residues rough" 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
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1

Effect of residual stress and surface roughness on the fatigue behaviour of aluminium matrix composites  

Science Journals Connector (OSTI)

In this investigation the fatigue properties of specimens manufactured with different turning parameters were investigated in stress-controlled constant amplitude tests at ambient temperature. The change of feed rate and depth of cut lead to a change in the near surface microstructure. Hence the fatigue properties were influenced significantly due to different surface roughness and surface residual stress resulting from the unequal turning processes. The cyclic deformation behaviour of AMC225xe is characterised by pronounced initial cyclic hardening. Continuous load increase tests allow a reliable estimation of the endurance limit of AMC225xe with one single specimen on the basis of cyclic deformation, temperature and electrical resistance data.

M Smaga; D Eifler

2010-01-01T23:59:59.000Z

2

The usability of switchgrass, rice straw, and logging residue as feedstocks for power generation in East Texas  

E-Print Network [OSTI]

This thesis examines the economic implications of using agriculturally based feedstock for bio-energy production in East Texas. Specifically I examined the use of switchgrass, rice straw, and logging residue as a feedstock for electrical power...

Hong, Sung Wook

2007-09-17T23:59:59.000Z

3

Logging Residue Volumes and Characteristics following Integrated Roundwood and Energy-Wood  

E-Print Network [OSTI]

considered waste material. In recent years, however, the reemergence of the bioenergy industry has revived the market for these residues, and demand for this ma- terial is likely to increase with increasing oil are projected to provide one-third of the billion-ton biomass feedstock needed for the emerging bioenergy

Wagner, Robert G.

4

Change Log  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Change Log Change Log Change Log NERSC-8 / Trinity Benchmarks Change Log 09/03/2013 Correction applied to MiniDFT web-page (to remove inconsistency with MiniDFT README). Capability Improvement measurements do not require 10,000 MPI ranks per k-point. 08/06/2013 Various pages have changed to remove "draft" status 08/02/2013 Correction added to FLOP Counts for "Small" Single-Node Miniapplication Tests page 07/12/2013 README files updated for IOR benchmark to correct an error in wording (no code changes); README file updated for osu-micro-benchmarks (OMB) changing the tests required and conditions including reinserting some tests that had been deleted earlier 07/05/2013 README updated for mpimemu benchmark; Revised version of benchmark results spreadsheet (linked on SSP web page);

5

Rotting Logs  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

55 March 2, 1946 55 March 2, 1946 Forest Preserve District of Cook County Clayton F. Smith, President Roberts Mann, Superintendent of Conservation ROTTING LOGS There is drama in a rotting log. Apparently lifeless and useless there on the ground, it harbors thousands of living things within and beneath it. Feeding on the wood of the log, living and dying, generation after generation of them, they convert it back into minerals which a fertile healthy forest soil must have. They also add the humus which not only helps the soil to hold its moisture but also aids in making the soil minerals usable as food by plants, including trees. Finally there is nothing left but crumbling punk shot through and through with the hyphae, or roots, of molds and mushrooms. Some of the common lower plant and animal forms found in a rotting log in our forest preserves are these.

6

Log Summarization  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Log Log Summarization and Anomaly Detection for Troubleshooting Distributed Systems Dan Gunter #1 , Brian L. Tierney #2 , Aaron Brown ∗3 , Martin Swany ∗4 , John Bresnahan !5 , Jennifer M. Schopf !6 # Lawrence Berkeley National Laboratory, Berkeley, CA, USA 1 dkgunter@lbl.gov 2 bltierney@lbl.gov ∗ University of Delaware, Newark, DE, USA 3 brown@cis.udel.edu 4 swany@cis.udel.edu ! Argonne National Laboratory, Argonne, IL, USA 5 bresnaha@mcs.anl.gov 6 jms@mcs.anl.gov Abstract- Today's system monitoring tools are capable of detecting system failures such as host failures, OS errors, and network partitions in near-real time. Unfortunately, the same cannot yet be said of the end-to-end distributed software stack. Any given action, for example, reliably transferring a directory of files, can involve a wide range of complex and interrelated actions across multiple pieces

7

Rotting Logs  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

441-A January 22, 1972 441-A January 22, 1972 Forest Preserve District of Cook County George W. Dunne, President Roland F. Eisenbeis, Supt. of Conservation ROTTING LOGS Trees are like people. They die from diseases, infections, injuries, burns, drowning, malnutrition, and sometimes just plain old age. Walking through the woods we see, here and there, dead or dying trees of various kinds. For example: a big white oak, with its bark ripped from crown to root, was literally cooked by a bolt of lightning during a summer thunderstorm. In a grove of black oaks, many are dying lingering deaths from infected wounds started years ago when an autumn fire swept through the fallen leaves and scorched the living wood. In a dense forest there are many that have lost the battle for space and sunlight. In some places we see trees that are slowly starving because dashing rains have carried away the fertile topsoil and the trampling feet of picnickers have injured the shallow roots that bring them food.

8

Rough Diagrams Laurent Vigneron  

E-Print Network [OSTI]

that are not tautologies of modal logic S5. 1 Generalized Rough Sets The idea of rough set was proposed by Pawlak in 1982 [5]. The starting point of the rough set theory is the assumption that we have initially some informa have de#12;ned the notion of generalized rough sets: any topological space (X; I) with a clopen sets

Vigneron, Laurent

9

Rough Approximate Operators: Axiomatic Rough Set Theory  

Science Journals Connector (OSTI)

In rough set theory, the upper and lower approximations are ... are two abstract operators acting on the power set of U, the universe of discourse. ... The proof is an easy application of point set topology. Simi...

T. Y. Lin; Qing Liu

1994-01-01T23:59:59.000Z

10

Geothermal Well Logging: Geological Wireline Logs and Fracture...  

Open Energy Info (EERE)

Logging: Geological Wireline Logs and Fracture Imaging Jump to: navigation, search OpenEI Reference LibraryAdd to library Conference Paper: Geothermal Well Logging: Geological...

11

Logs / Meeting Minutes Index  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Logs / Meeting Minutes Logs / Meeting Minutes This page supplies links to the various logs and meeting minutes that are pertinent to the UES Group. FC Shift Log An ORACLE database tool used by the Floor Coordinators to record events that occur on the Experiment Hall Floor. FC Shift Log (Pubic View) Members of the APS Computer Network can use this link to view the FC Shift Log. MCR Shift Log An ORACLE database tool used by the MCR Operators to record events that occur relating to the operation of the Accelerating Systems. MCR Operator Message History The MCR Operator message for the past 72 hours are recorded for reference. UES Meeting Minutes The weekly User ESH Support group meeting minutes are recorded for reference. Also included are AOD-EOS and AOD-EFO meeting minutes. APS Radiation Safety PnP Committee Minutes

12

Elementary Rough Set Granules: Toward a Rough Set Processor  

Science Journals Connector (OSTI)

In this chapter, the basics of the rough set approach are presented, and an outline of ... of a simple processor is based on elementary rough set granules and dependencies between them. The rough set processor (R...

Zdzis?aw Pawlak

2004-01-01T23:59:59.000Z

13

Process Deviation Log  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Process Deviation Log 09_0730 Process Deviation Log 09_0730 EOTA - Business Form Document Title: P-010, Process Deviation Process Document Number: Process Deviation Log EOTA Employees Melissa Otero N/A Referenced Documents: Parent Document: F-014 Rev. 11_0316 Approvers: Melissa Otero Document Owner: Elizabeth Sousa Backup Owner: Notify of Changes: A 09_0730 11_0316 Revision History: Rev. Description of Change Intitial Release. Revised log to reflect date/date range that PD is in effect. Removed drop-down menu items. Added ECD, Extension Date and Closed Column. F-014 Process Deviation Log 09_0730 Process Deviation # Date Requestor Departme nt Process # Has PD Occurred ? (Y/N) CAR/PAR # Distributio n Date Estimated Closure Date Extension Date Closed Date Comment PD-001 PD-002 PD-003 PD-004 PD-005 PD-006 PD-007 PD-008 PD-009

14

Rough Ride Test Procedure  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

NTP005 NTP005 Revision 2 Effective December 1, 2004 Electric Vehicle Rough Road Course Test Prepared by Electric Transportation Applications Prepared by: _______________________________ Date:__________ Ryan Harkins Approved by: _________________________________________________ Date: _______________ Donald B. Karner ©2004 Electric Transportation Applications All Rights Reserved Procedure ETA-NTP005 Revision 2 2 TABLE OF CONTENTS 1.0 Objectives 3 2.0 Purpose 3 3.0 Documentation 3 4.0 Initial Conditions and Prerequisites 4 5.0 Testing Activity Requirements 6 6.0 Glossary 12 7.0 References 14 Appendices Appendix A - Electric Vehicle Rough Road Test Data Sheet 15

15

openhole_logging.indd  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

OPENHOLE LOGGING WELL OPENHOLE LOGGING WELL Objective R MOTC has drilled a mostly vertical well that is specifi cally designat- ed for openhole logging tests. It was drilled to 5,400 feet and has approximately 2,350 feet of open hole to test a variety of openhole logging tools. The wellbore is drilled with an 8-1/2" drill bit. The well was originally drilled with a 3% KCL Polymer mud system that seems to work well for stabilizing sensitive shale zones. The lower formations are very compact and should be able to stay open without signifi - cant caving. RMOTC has the capability to recondition this wellbore with a variety of mud types if needed. The openhole section will pass through a variety of ages, formations, and lithologies common to the Rocky Mountain geologic province. The rocks encoun-

16

Logging in to Franklin  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Logging in Logging in Logging in to Franklin Interactive Access You can log in to Franklin using SSH (Secure Shell) with the following command from any UNIX, Linux, FreeBSD, etc. command shell or terminal: % ssh -l username franklin.nersc.gov There are a number of SSH-capable clients available for Windows, Mac, and UNIX/Linux machines. NERSC does not support or recommend any particular client. Franklin has 10 login nodes; you will be randomly connected to one of those 10 when you ssh to franklin.nersc.gov. In all cases it will appear to you as if you are on "franklin.nersc.gov." The login nodes are where you compile codes, submit jobs, and view data. The login nodes on Franklin are directly connected to the internal high-speed "Seastar" network. Because of this you cannot login and work

17

Logging in to Hopper  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Logging in Logging in Logging in to Hopper Interactive Access You can log in to Hopper using SSH (Secure Shell) with the following command from any UNIX, Mac OS X, Linux, FreeBSD, etc. command shell or terminal: ssh -l username hopper.nersc.gov There are several SSH-capable clients available for Windows, Mac, and UNIX/Linux machines. NERSC does not support or recommend any particular client. Hopper has 12 login nodes. You will be randomly connected to one of those 12 when you ssh to hopper.nersc.gov. In all cases it will appear to you as if you are on "hopper.nersc.gov." The login nodes are where you compile codes, submit jobs, and view data. The login nodes on Hopper are "external," meaning they are not directly connected to Hopper's internal high-speed "Gemini" network. Because the

18

Improvement of Information Rough Communication on Rough Set  

Science Journals Connector (OSTI)

The concept of information rough communication based on knowledge base is proposed by Mousavi Amin, Jabedar-Maralani Parviz. In this paper, its limitation is discussed. The concept of information rough communi...

QinLi An

2011-01-01T23:59:59.000Z

19

NMR logging apparatus  

DOE Patents [OSTI]

Technologies including NMR logging apparatus and methods are disclosed. Example NMR logging apparatus may include surface instrumentation and one or more downhole probes configured to fit within an earth borehole. The surface instrumentation may comprise a power amplifier, which may be coupled to the downhole probes via one or more transmission lines, and a controller configured to cause the power amplifier to generate a NMR activating pulse or sequence of pulses. Impedance matching means may be configured to match an output impedance of the power amplifier through a transmission line to a load impedance of a downhole probe. Methods may include deploying the various elements of disclosed NMR logging apparatus and using the apparatus to perform NMR measurements.

Walsh, David O; Turner, Peter

2014-05-27T23:59:59.000Z

20

Chemical Logging | Open Energy Information  

Open Energy Info (EERE)

Chemical Logging Chemical Logging Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Technique: Chemical Logging Details Activities (1) Areas (1) Regions (0) NEPA(0) Exploration Technique Information Exploration Group: Downhole Techniques Exploration Sub Group: Well Log Techniques Parent Exploration Technique: Well Log Techniques Information Provided by Technique Lithology: Stratigraphic/Structural: Hydrological: Presence and geochemical composition of fluid producing zones Thermal: Calcium-alkalinity ratios versus depth assist in defining warm and hot water aquifers Dictionary.png Chemical Logging: Chemical logging produces a chemical profile of the formation fluid within a well based on the measurement of changes in the chemical composition of the drilling fluid during drilling operations.

Note: This page contains sample records for the topic "logging residues rough" 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

Fluid-Rock Characterization and Interactions in NMR Well Logging  

SciTech Connect (OSTI)

The objective of this project was to characterize the fluid properties and fluid-rock interactions which are needed for formation evaluation by NMR well logging. NMR well logging is finding wide use in formation evaluation. The formation parameters commonly estimated were porosity, permeability, and capillary bound water. Special cases include estimation of oil viscosity, residual oil saturation, location of oil/water contact, and interpretation on whether the hydrocarbon is oil or gas.

Hirasaki, George J.; Mohanty, Kishore K.

2003-02-10T23:59:59.000Z

22

Category:Neutron Log | Open Energy Information  

Open Energy Info (EERE)

Neutron Log page? For detailed information on Neutron Log, click here. Category:Neutron Log Add.png Add a new Neutron Log Technique Pages in category "Neutron Log" This category...

23

Neutron Log | Open Energy Information  

Open Energy Info (EERE)

Neutron Log Neutron Log Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Technique: Neutron Log Details Activities (4) Areas (4) Regions (0) NEPA(0) Exploration Technique Information Exploration Group: Downhole Techniques Exploration Sub Group: Well Log Techniques Parent Exploration Technique: Well Log Techniques Information Provided by Technique Lithology: if used in conjunction with other logs, this technique can provide information on the rock type and the porosity Stratigraphic/Structural: Corelation of rock units Hydrological: Estimate of formation porosity Thermal: Dictionary.png Neutron Log: The neutron log responds primarily to the amount of hydrogen in the formation which is contained in oil, natural gas, and water. The amount of hydrogen can be used to identify zones of higher porosity.

24

Grid Logging: Best Practices Guide  

SciTech Connect (OSTI)

The purpose of this document is to help developers of Grid middleware and application software generate log files that will be useful to Grid administrators, users, developers and Grid middleware itself. Currently, most of the currently generated log files are only useful to the author of the program. Good logging practices are instrumental to performance analysis, problem diagnosis, and security auditing tasks such as incident tracing and damage assessment. This document does not discuss the issue of a logging API. It is assumed that a standard log API such as syslog (C), log4j (Java), or logger (Python) is being used. Other custom logging API or even printf could be used. The key point is that the logs must contain the required information in the required format. At a high level of abstraction, the best practices for Grid logging are: (1) Consistently structured, typed, log events; (2) A standard high-resolution timestamp; (3) Use of logging levels and categories to separate logs by detail and purpose; (4) Consistent use of global and local identifiers; and (5) Use of some regular, newline-delimited ASCII text format. The rest of this document describes each of these recommendations in detail.

Tierney, Brian L; Tierney, Brian L; Gunter, Dan

2008-04-01T23:59:59.000Z

25

Image Logs | Open Energy Information  

Open Energy Info (EERE)

Image Logs Image Logs Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Technique: Image Logs Details Activities (2) Areas (1) Regions (0) NEPA(0) Exploration Technique Information Exploration Group: Downhole Techniques Exploration Sub Group: Well Log Techniques Parent Exploration Technique: Well Log Techniques Information Provided by Technique Lithology: Identify different lithological layers, rock composition, grain size, mineral, and clay content Stratigraphic/Structural: -Fault and fracture identification -Rock texture, porosity, and stress analysis -determine dip, thickness, and geometry of rock strata in vicinity of borehole -Detection of permeable pathways, fracture zones, faults Hydrological: Locate zones of aquifer inflow/outflow Thermal:

26

Geotech Logging Services | Open Energy Information  

Open Energy Info (EERE)

Logging Services Jump to: navigation, search OpenEI Reference LibraryAdd to library Web Site: Geotech Logging Services Author Geotech Logging Servces LLC Published Publisher...

27

On Generalized Rough Sets (extended abstract)  

E-Print Network [OSTI]

On Generalized Rough Sets (extended abstract) Anita Wasilewska Department of Computer Science State Rough Sets The idea of rough set was proposed by Pawlak in 1982 [10]. The starting point of the rough a rough set. The lower and upper approximations treated as one argument operations R and R in the ap

Vigneron, Laurent

28

COMBINATION OF ROUGH AND FUZZY SETS  

E-Print Network [OSTI]

1 COMBINATION OF ROUGH AND FUZZY SETS BASED ON -LEVEL SETS Y.Y. Yao Department of Computer Science set can be represented by a family of crisp sets using its -level sets, whereas a rough set can involved in the combination of rough-set and fuzzy-set models. The rough-fuzzy-set and fuzzy-rough-set

Yao, Yiyu

29

Gamma Log | Open Energy Information  

Open Energy Info (EERE)

Gamma Log Gamma Log Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Technique: Gamma Log Details Activities (6) Areas (6) Regions (0) NEPA(0) Exploration Technique Information Exploration Group: Downhole Techniques Exploration Sub Group: Well Log Techniques Parent Exploration Technique: Well Log Techniques Information Provided by Technique Lithology: provides information on changes in rock type near the wellbore from changes in measured gamma radiation Stratigraphic/Structural: using multiple gamma logs over an area, the depth to the sandstone and shale layers can be correlated over larger areas Hydrological: Thermal: Cost Information Low-End Estimate (USD): 0.2525 centUSD 2.5e-4 kUSD 2.5e-7 MUSD 2.5e-10 TUSD / foot Median Estimate (USD): 0.3838 centUSD

30

Density Log | Open Energy Information  

Open Energy Info (EERE)

Density Log Density Log Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Technique: Density Log Details Activities (6) Areas (6) Regions (0) NEPA(0) Exploration Technique Information Exploration Group: Downhole Techniques Exploration Sub Group: Well Log Techniques Parent Exploration Technique: Well Log Techniques Information Provided by Technique Lithology: provides data on the bulk density of the rock surrounding the well Stratigraphic/Structural: Stratigraphic correlation between well bores. Hydrological: Porosity of the formations loggesd can be calculated for the Density log andprovide an indication potential aquifers. Thermal: Cost Information Low-End Estimate (USD): 0.4040 centUSD 4.0e-4 kUSD 4.0e-7 MUSD 4.0e-10 TUSD / foot Median Estimate (USD): 0.6868 centUSD

31

Plasma Radiation by Rough Surfaces  

Science Journals Connector (OSTI)

The recent observation of a peak of scattered radiation at the plasma frequency from thin metal foils irradiated with light can be explained in terms of a small amount of surface roughness of the foils.

Edward A. Stern

1967-12-04T23:59:59.000Z

32

Disk Roughness and Defect Monitoring  

Science Journals Connector (OSTI)

Disk surface monitoring and certification refer to the testing and certification of a disk surface in terms of roughness and defect ... as well as the capability to accommodate a flying slider. It includes glide ...

Gang Sheng; Jizhong He; Shuanlin Duan

2013-01-01T23:59:59.000Z

33

Design of Rough Neurons: Rough Set Foundation and Petri Net Model  

Science Journals Connector (OSTI)

This paper introduces the design of rough neurons based on rough sets. Rough neurons instantiate approximate reasoning in assessing knowledge ... to classifying inputs. The particular form of rough neuron conside...

J. F. Peters; A. Skowron; Z. Suraj; L. Han

2010-01-01T23:59:59.000Z

34

Rough Set Approach to KDD (Extended Abstract)  

Science Journals Connector (OSTI)

This tutorial is a survey on rough set theory and some of its applications in ... to analysis of different real life problems using rough set methods as well as the presentation of Rough Set Exploration System (R...

Hung Son Nguyen; Andrzej Skowron

2008-01-01T23:59:59.000Z

35

Rough Sets in Economy and Finance  

Science Journals Connector (OSTI)

The Rough Set Theory makes it possible to represent and ... of the currently available literature covering applications of rough sets in the economy and finance. The classical rough set model and its important ex...

Mariusz Podsiad?o; Henryk Rybi?ski

2014-01-01T23:59:59.000Z

36

Acoustic paramagnetic logging tool  

DOE Patents [OSTI]

New methods and apparatus are disclosed which allow measurement of the presence of oil and water in geological formations using a new physical effect called the Acoustic Paramagnetic Logging Effect (APLE). The presence of petroleum in formation causes a slight increase in the earth's magnetic field in the vicinity of the reservoir. This is the phenomena of paramagnetism. Application of an acoustic source to a geological formation at the Larmor frequency of the nucleons present causes the paramagnetism of the formation to disappear. This results in a decrease in the earth3 s magnetic field in the vicinity of the oil bearing formation. Repetitively frequency sweeping the acoustic source through the Larmor frequency of the nucleons present (approx. 2 kHz) causes an amplitude modulation of the earth's magnetic field which is a consequence of the APLE. The amplitude modulation of the earth's magnetic field is measured with an induction coil gradiometer and provides a direct measure of the amount of oil and water in the excitation zone of the formation . The phase of the signal is used to infer the longitudinal relaxation times of the fluids present, which results in the ability in general to separate oil and water and to measure the viscosity of the oil present. Such measurements may be preformed in open boreholes and in cased well bores.

Vail, III, William B. (Bothell, WA)

1988-01-01T23:59:59.000Z

37

Acoustic Logs | Open Energy Information  

Open Energy Info (EERE)

Acoustic Logs Acoustic Logs Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Technique: Acoustic Logs Details Activities (7) Areas (6) Regions (0) NEPA(0) Exploration Technique Information Exploration Group: Downhole Techniques Exploration Sub Group: Well Log Techniques Parent Exploration Technique: Well Log Techniques Information Provided by Technique Lithology: determine porosity of layers Stratigraphic/Structural: map discontinuities to determine their orientation. Hydrological: Thermal: Cost Information Low-End Estimate (USD): 1.00100 centUSD 1.0e-3 kUSD 1.0e-6 MUSD 1.0e-9 TUSD / foot Median Estimate (USD): 4.62462 centUSD 0.00462 kUSD 4.62e-6 MUSD 4.62e-9 TUSD / foot High-End Estimate (USD): 16.001,600 centUSD 0.016 kUSD 1.6e-5 MUSD 1.6e-8 TUSD / foot

38

Mud Logging | Open Energy Information  

Open Energy Info (EERE)

Mud Logging Mud Logging Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Technique: Mud Logging Details Activities (0) Areas (0) Regions (0) NEPA(0) Exploration Technique Information Exploration Group: Downhole Techniques Exploration Sub Group: Well Log Techniques Parent Exploration Technique: Well Log Techniques Information Provided by Technique Lithology: Lithological layers are identified from drill cuttings Stratigraphic/Structural: Porosity of rocks Hydrological: Fluid content of the borehole while drilling can be determined Thermal: Cost Information Low-End Estimate (USD): 1,300.00130,000 centUSD 1.3 kUSD 0.0013 MUSD 1.3e-6 TUSD / day Median Estimate (USD): 1,450.00145,000 centUSD 1.45 kUSD 0.00145 MUSD 1.45e-6 TUSD / day High-End Estimate (USD): 2,000.00200,000 centUSD

39

Rough sets determined by tolerances  

Science Journals Connector (OSTI)

Abstract We show that for any tolerance R on U, the ordered sets of lower and upper rough approximations determined by R form ortholattices. These ortholattices are completely distributive, thus forming atomistic Boolean lattices, if and only if R is induced by an irredundant covering of U, and in such a case, the atoms of these Boolean lattices are described. We prove that the ordered set RS of rough sets determined by a tolerance R on U is a complete lattice if and only if it is a complete subdirect product of the complete lattices of lower and upper rough approximations. We show that R is a tolerance induced by an irredundant covering of U if and only if RS is an algebraic completely distributive lattice, and in such a situation a quasi-Nelson algebra can be defined on RS. We present necessary and sufficient conditions which guarantee that for a tolerance R on U, the ordered set RS X is a lattice for all X ? U , where R X denotes the restriction of R to the set X and RS X is the corresponding set of rough sets. We introduce the disjoint representation and the formal concept representation of rough sets, and show that they are DedekindMacNeille completions of RS.

Jouni Jrvinen; Sndor Radeleczki

2014-01-01T23:59:59.000Z

40

TOPOLOGICAL AND FUZZY ROUGH SETS Department of  

E-Print Network [OSTI]

TOPOLOGICAL AND FUZZY ROUGH SETS T. Y. Lin Department of Mathematics and Computer Science San Jose is studied via rough sets, fuzzy sets and topological spaces (more precisely, Frechet spaces). Rough set a knowledge base [1](pp. 14). Pawlak's rough set theory can be viewed as a study of concepts or knowledge via

Lin, Tsau Young

Note: This page contains sample records for the topic "logging residues rough" 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

Trees, rough integration and differential equations  

E-Print Network [OSTI]

on the trajectory (x,y). mg (orsay) trees, rough paths, ... 3 / 27 #12;Trees L finite set. Trees labeled by L , TLTrees, rough integration and differential equations Massimiliano Gubinelli Laboratoire de Mathématiques Université Paris-Sud XI mg (orsay) trees, rough paths, ... 1 / 27 #12;Rough paths T. Lyons (Oxford

Gubinelli, Massimiliano

42

The Rough Set Engine GROBIAN Ivo Dntsch  

E-Print Network [OSTI]

The Rough Set Engine GROBIAN Ivo Düntsch School of Information and Software Engineering University semantische Informationsverarbeitung Universität Osnabrück Abstract Rough set analysis is a non rough set data analysis. In addition to the "traditional" procedures of rough set analysis

Düntsch, Ivo

43

residual magnetism  

Science Journals Connector (OSTI)

The magnetization, i.e., the magnetic polarization, that remains in a magnetized material after all attempts to remove the magnetization have been made. Note: An example of residual magnetization is the magnetiza...

2001-01-01T23:59:59.000Z

44

Rough Set Theory: An Introduction  

Science Journals Connector (OSTI)

In rough set theory, knowledge is interpreted as an ability...a, 81b]). These objects form a set called often a universe of discourse and their nature may vary from case to case: they may be e.g. medical patients...

Prof. Dr. Lech Polkowski

2002-01-01T23:59:59.000Z

45

FMI Log | Open Energy Information  

Open Energy Info (EERE)

Page Page Edit with form History Facebook icon Twitter icon » FMI Log Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Technique: FMI Log Details Activities (0) Areas (0) Regions (0) NEPA(0) Exploration Technique Information Exploration Group: Downhole Techniques Exploration Sub Group: Well Log Techniques Parent Exploration Technique: Image Logs Information Provided by Technique Lithology: Identify different lithological layers, rock composition, mineral, and clay content Stratigraphic/Structural: -Fault and fracture identification -Rock texture, porosity, and stress analysis -determine dip and structural features in vicinity of borehole -Detection of permeable pathways, fracture zones, faults Hydrological: Resistivity influenced by porosity, grain size distribution, permeability, fluid saturation, fluid type and phase state of the pore water

46

LOG HAZARD REGRESSION Huiying Sun  

E-Print Network [OSTI]

LOG HAZARD REGRESSION by Huiying Sun Ph.D, Harbin Institute of Technology, Harbin, CHINA, 1991 .................................................................... .................................................................... .................................................................... .................................................................... THE UNIVERSITY OF BRITISH COLUMBIA September, 1999 c flHuiying Sun, 1999 #12; Abstract We propose using

Heckman, Nancy E.

47

Rough and fuzzy-rough methods for mammographic data Neil Mac Parthalain, Richard Jensen, Qiang Shen  

E-Print Network [OSTI]

in- vestigates the application of a number of rough set and fuzzy-rough set techniques to mammo for classification using rough sets, and fuzzy-rough sets and applied to this mammographic data, incorporating. In section 3, the fuzzy-rough set methodology and its application to both feature selection and the nearest

Lucas, Simon M.

48

Definition: Image Logs | Open Energy Information  

Open Energy Info (EERE)

Definition Definition Edit with form History Facebook icon Twitter icon » Definition: Image Logs Jump to: navigation, search Dictionary.png Image Logs Well logging techniques which create images of the inside of a borehole. A 360° view camera is used that can be lowered into a borehole via logging cable. The camera's purpose is to provide live images of the borehole walls. View on Wikipedia Wikipedia Definition Well logging, also known as borehole logging is the practice of making a detailed record (a well log) of the geologic formations penetrated by a borehole. The log may be based either on visual inspection of samples brought to the surface (geological logs) or on physical measurements made by instruments lowered into the hole (geophysical logs). Well logging can

49

A Rough Set Paradigm for Unifying Rough Set Theory and Fuzzy Set Theory  

Science Journals Connector (OSTI)

In this plenary address, we would like to discuss rough inclusions defined in Rough Mereology, a joint idea with A. ... , as a basis for common models for rough as well as fuzzy set theories. We would like to jus...

Lech Polkowski

2003-01-01T23:59:59.000Z

50

Caliper Log | Open Energy Information  

Open Energy Info (EERE)

Caliper Log Caliper Log Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Technique: Caliper Log Details Activities (0) Areas (0) Regions (0) NEPA(0) Exploration Technique Information Exploration Group: Downhole Techniques Exploration Sub Group: Well Log Techniques Parent Exploration Technique: Well Log Techniques Information Provided by Technique Lithology: Stratigraphic/Structural: Hydrological: Thermal: Cost Information Low-End Estimate (USD): 0.4040 centUSD 4.0e-4 kUSD 4.0e-7 MUSD 4.0e-10 TUSD / foot Median Estimate (USD): 0.7878 centUSD 7.8e-4 kUSD 7.8e-7 MUSD 7.8e-10 TUSD / foot High-End Estimate (USD): 3.00300 centUSD 0.003 kUSD 3.0e-6 MUSD 3.0e-9 TUSD / foot Time Required Low-End Estimate: 0.35 days9.582478e-4 years 8.4 hours 0.05 weeks 0.0115 months / job

51

A New Treatment of Rough Surface Scattering  

Science Journals Connector (OSTI)

...1996 research-article A New Treatment of Rough Surface Scattering C. Macaskill P...narrow beam at a randomly rough surface where the height distribution...is Gaussian. The field at the surface is assumed to satisfy a Dirichlet...

1996-01-01T23:59:59.000Z

52

A Review of Rough Set Models  

Science Journals Connector (OSTI)

Since introduction of the theory of rough set in early eighties, considerable work has been ... The paper provides a review of the Pawlak rough set model and its extensions, with emphasis on ... the formulation, ...

Y. Y. Yao; S. K. M. Wong; T. Y. Lin

1997-01-01T23:59:59.000Z

53

Definition: Density Log | Open Energy Information  

Open Energy Info (EERE)

Density Log Density Log Jump to: navigation, search Dictionary.png Density Log Density logging is a well logging tool that can provide a continuous record of a formation's bulk density along the length of a borehole. In geology, bulk density is a function of the density of the minerals forming a rock (i.e. matrix) and the fluid enclosed in the pore spaces.[1] View on Wikipedia Wikipedia Definition Density logging is a well logging tool that can provide a continuous record of a formation's bulk density along the length of a borehole. In geology, bulk density is a function of the density of the minerals forming a rock and the fluid enclosed in the pore spaces. This is one of three well logging tools that are commonly used to calculate porosity, the other two being sonic logging and neutron porosity logging

54

A Rough Logic Formalism for Fuzzy Controllers  

E-Print Network [OSTI]

A Rough Logic Formalism for Fuzzy Controllers: A Hard and Soft Computing View T.Y. Lin Department are the design goal. Several new applications are identified. KEYWORDS: control, fuzzy logic, modal logic, rough process, called rough logic government, is proposed. In this process, fuzzy logic is viewed

Lin, Tsau Young

55

Electrokinetic transport in microchannels with random roughness  

SciTech Connect (OSTI)

We present a numerical framework to model the electrokinetic transport in microchannels with random roughness. The three-dimensional microstructure of the rough channel is generated by a random generation-growth method with three statistical parameters to control the number density, the total volume fraction, and the anisotropy characteristics of roughness elements. The governing equations for the electrokinetic transport are solved by a high-efficiency lattice Poisson?Boltzmann method in complex geometries. The effects from the geometric characteristics of roughness on the electrokinetic transport in microchannels are therefore modeled and analyzed. For a given total roughness volume fraction, a higher number density leads to a lower fluctuation because of the random factors. The electroosmotic flow rate increases with the roughness number density nearly logarithmically for a given volume fraction of roughness but decreases with the volume fraction for a given roughness number density. When both the volume fraction and the number density of roughness are given, the electroosmotic flow rate is enhanced by the increase of the characteristic length along the external electric field direction but is reduced by that in the direction across the channel. For a given microstructure of the rough microchannel, the electroosmotic flow rate decreases with the Debye length. It is found that the shape resistance of roughness is responsible for the flow rate reduction in the rough channel compared to the smooth channel even for very thin double layers, and hence plays an important role in microchannel electroosmotic flows.

Wang, Moran [Los Alamos National Laboratory; Kang, Qinjun [Los Alamos National Laboratory

2008-01-01T23:59:59.000Z

56

Rough Set Approximations in Formal Concept Analysis  

E-Print Network [OSTI]

Rough Set Approximations in Formal Concept Analysis Y.Y. Yao, Yaohua Chen Department of Computer}@cs.uregina.ca Abstract-- An important topic of rough set theory is the approximation of undefinable sets or concepts of approximation operators. In this paper, the notion of rough set approximations is introduced into formal concept

Yao, Yiyu

57

Vaguely Quantified Rough Sets Chris Cornelis1  

E-Print Network [OSTI]

Vaguely Quantified Rough Sets Chris Cornelis1 , Martine De Cock1 , and Anna Maria Radzikowska2 1@mini.pw.edu.pl Abstract. The hybridization of rough sets and fuzzy sets has focused on creating an end product they allow for gradual membership, fuzzy rough sets are still abrupt in a sense that adding or omitting

Gent, Universiteit

58

Intuitionistic fuzzy rough sets: at the cross-  

E-Print Network [OSTI]

U N C O R R EC TED PR O O F Intuitionistic fuzzy rough sets: at the cross- roads of imperfect: Just like rough set theory, fuzzy set theory addresses the topic of dealing with imperfect knowledge tentative definitions of the concept of an `intuitionistic fuzzy rough set' that were raised in their wake

Gent, Universiteit

59

A REVIEW OF ROUGH SET MODELS  

E-Print Network [OSTI]

1 A REVIEW OF ROUGH SET MODELS Y.Y. Yao*, S.K.M. Wong**, and T.Y. Lin*** * Department of Computer of rough set in early eighties, considerable work has been done on the development and application of this new theory. The paper provides a review of the Pawlak rough set model and its extensions

Lin, Tsau Young

60

Rough Sets and Matroids Victor W. Marek  

E-Print Network [OSTI]

Rough Sets and Matroids Victor W. Marek Department of Computer Science, University of Kentucky of that and related facts for the development of Rough Sets theory. 1 Introduction The goal of this note is to provide a proof of the recent statement by Liu and Zhu [2] and look at some properties of rough sets related

Marek, Victor W.

Note: This page contains sample records for the topic "logging residues rough" 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

Rough Set Approximations in Formal Concept Analysis  

E-Print Network [OSTI]

Rough Set Approximations in Formal Concept Analysis Yiyu Yao and Yaohua Chen Department of Computer}@cs.uregina.ca Abstract. A basic notion shared by rough set analysis and formal concept anal- ysis is the definability to each other based on defin- ability. In this paper, the notion of rough set approximations is introduced

Yao, Yiyu

62

Wetting of rough surfaces: a homogenization approach  

Science Journals Connector (OSTI)

...plane xd = 0, and it is rough at a scale , where is...A (2005) Wetting of rough surfaces: a homogenization...where S1 is a closed set in Rd such that {xd 0...is finite, then L is a set with finite perimeter...A (2005) Wetting of rough surfaces: a homogenization...

2005-01-01T23:59:59.000Z

63

Ordered Weighted Average Based Fuzzy Rough Sets  

E-Print Network [OSTI]

Ordered Weighted Average Based Fuzzy Rough Sets Chris Cornelis 1 , Nele Verbiest1 , and Richard rough set model, which is based on a similar rationale, our proposal has the ad- vantage a feature selection application confirm the potential of the OWA-based model. Keywords: fuzzy rough sets

Gent, Universiteit

64

A logic for rough sets Ivo Dntsch  

E-Print Network [OSTI]

A logic for rough sets Ivo Düntsch School of Information and Software Engineering, University of a set forms a Boolean algebra under the usual set theoretic operations, while the collection of rough that regular double Stone algebras are a class of algebras appropriate for a logic of rough sets. Using

Düntsch, Ivo

65

ROUGH AND MODAL ALGEBRAS Laurent VIGNERON  

E-Print Network [OSTI]

automatically by the theorem prover. 1. INTRODUCTION The theory of rough sets provides a methodological frame, and market analysis. We present here two new connections for the rough set theory. We link]) relationship between the rough sets and modal S5 logic, and hence with some topological Boolean algebras

Vigneron, Laurent

66

Textures and covering based rough sets  

Science Journals Connector (OSTI)

This paper introduces the relations between covering and dicovering in the framework of rough sets. The natural counterpart of a covering in textures is given by a family of pairs of sets which is called a dicovering. This leads us to two dual concepts ... Keywords: Covering based approximation operators, Dicovering, Rough set, Textural rough set, Texture space

Murat Diker; Ay?egl Altay U?ur

2012-02-01T23:59:59.000Z

67

A New Multi-Gaussian Auto-Correlation Function for the Modeling of Realistic Shot Peened Random Rough Surfaces  

SciTech Connect (OSTI)

Shot peening is the primary surface treatment used to create a uniform, consistent, and reliable sub-surface compressive residual stress layer in aero engine components. A by-product of the shot peening process is random surface roughness that can affect the measurements of the resulting residual stresses and therefore impede their NDE assessment. High frequency eddy current conductivity measurements have the potential to assess these residual stresses in Ni-base super alloys. However, the effect of random surface roughness is expected to become significant in the desired measurement frequency range of 10 to 100 MHz. In this paper, a new Multi-Gaussian (MG) auto-correlation function is proposed for modeling the resulting pseudo-random rough profiles. Its use in the calculation of the Apparent Eddy Current Conductivity (AECC) loss due to surface roughness is demonstrated. The numerical results presented need to be validated with experimental measurements.

Hassan, W. [Honeywell Aerospace, 111 S. 34th Street, M/S 503-118 Phoenix, AZ 85034 (United States); Blodgett, M. [Air Force Research Laboratory (AFRL/MLLP), 2230 10th Street, Suite 1, Dayton, OH 45433 (United States)

2006-03-06T23:59:59.000Z

68

Internet Data logging and Display  

E-Print Network [OSTI]

. The solution presented here is to accomplish these goals is to include a miniature web server in a remote-logging module, which we designed as part of our device. Thus allowing data to be accessed more frequently, via the Internet. As it currently stands...

Sweeney, J., Jr.; Culp, C.; Haberl, J. S.

2001-01-01T23:59:59.000Z

69

The Impact of the Russian Log Export Tariff on the Global Market for Logs and Lumber  

E-Print Network [OSTI]

in Russia, estimated at 808,790,000 hectares, represents 20.5% of total global forest area and almost halfSharfofLogExports(%) Figure 1. Russian softwood log exports represent over a quarter of total global log exports. SourceThe Impact of the Russian Log Export Tariff on the Global Market for Logs and Lumber CINTRAFOR News

70

Dominance-Based Rough Set Approach and Bipolar Abstract Rough Approximation Spaces  

Science Journals Connector (OSTI)

We take into consideration Dominance-based Rough Set Approach and its recently proposed algebraic modeling...

Salvatore Greco; Benedetto Matarazzo

2008-01-01T23:59:59.000Z

71

Definition: Resistivity Log | Open Energy Information  

Open Energy Info (EERE)

Resistivity Log Resistivity Log Jump to: navigation, search Dictionary.png Resistivity Log Electrical resistivity logging is the measurement of potential (voltage) differences resulting from electrical current flow in the vicinity of a borehole in order to determine formation resistivity.[1] View on Wikipedia Wikipedia Definition Resistivity logging is a method of well logging that works by characterizing the rock or sediment in a borehole by measuring its electrical resistivity. Resistivity is a fundamental material property which represents how strongly a material opposes the flow of electric current. In these logs, resistivity is measured using 4 electrical probes to eliminate the resistance of the contact leads. The log must run in holes containing electrically conductive mud or water. Resistivity logging is

72

Category:Well Log Techniques | Open Energy Information  

Open Energy Info (EERE)

Category Category Edit History Facebook icon Twitter icon » Category:Well Log Techniques Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Geothermalpower.jpg Looking for the Well Log Techniques page? For detailed information on Well Log Techniques as exploration techniques, click here. Category:Well Log Techniques Add.png Add a new Well Log Techniques Technique Pages in category "Well Log Techniques" The following 17 pages are in this category, out of 17 total. A Acoustic Logs C Caliper Log Cement Bond Log Chemical Logging Cross-Dipole Acoustic Log D Density Log F FMI Log G Gamma Log I Image Logs M Mud Logging N Neutron Log P Pressure Temperature Log R Resistivity Log Resistivity Tomography S Single-Well and Cross-Well Resistivity Spontaneous Potential Well Log Stoneley Analysis

73

Applying multiwell normalization in open hole log analysis  

E-Print Network [OSTI]

A major problem when analyzing open hole well logging data in large fields is the fact that the logs were run using different logging service companies, using different logging tools over a long time span. To obtain correct log interpretations...

Sinanan, Haydn Brent

2012-06-07T23:59:59.000Z

74

Well Log Techniques | Open Energy Information  

Open Energy Info (EERE)

Well Log Techniques Well Log Techniques Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Technique: Well Log Techniques Details Activities (4) Areas (4) Regions (1) NEPA(0) Exploration Technique Information Exploration Group: Downhole Techniques Exploration Sub Group: Well Log Techniques Parent Exploration Technique: Downhole Techniques Information Provided by Technique Lithology: depth and thickness of formations; lithology and porosity can be inferred Stratigraphic/Structural: reservoir thickness, reservoir geometry, borehole geometry Hydrological: permeability and fluid composition can be inferred Thermal: direct temperature measurements; thermal conductivity and heat capacity Dictionary.png Well Log Techniques: Well logging is the measurement of formation properties versus depth in a

75

Energy Citations Database (ECD) - Alerts Log On  

Office of Scientific and Technical Information (OSTI)

Log On You must Log On to use the ECD Alerts. Alerts provide users with e-mail notification of updates to the ECD in specific areas of interest. If you wish to receive an Alert and...

76

Vertical Flowmeter Logging | Open Energy Information  

Open Energy Info (EERE)

Flowmeter Logging Jump to: navigation, search OpenEI Reference LibraryAdd to library Web Site: Vertical Flowmeter Logging Author U.S. Geological Survey Published USGS Groundwater...

77

Geological well log analysis. Third ed  

SciTech Connect (OSTI)

Until recently, well logs have mainly been used for correlation, structural mapping, and quantitive evaluation of hydrocarbon bearing formations. This third edition of Geologic Well Log Analysis, however, describes how well logs can be used for geological studies and mineral exploration. This is done by analyzing well logs for numerous parameters and indices of significant mineral accumulation, primarily in sediments. Contents are: SP and Eh curves as redoxomorphic logs; sedimentalogical studies by log curve shapes; exploration for stratigraphic traps; continuous dipmeter as a structural tool; continuous dipmeter as a sedimentation tool; Paleo-facies logging and mapping; hydrogeology 1--hydrodynamics of compaction; hydrogeology 2--geostatic equilibrium; and hydrogeology 3--hydrodynamics of infiltration. Appendixes cover: Computer program for calculating the dip magnitude, azimuth, and the degree and orientation of the resistivity anisotrophy; a lithology computer program for calculating the curvature of a structure; and basic log analysis package for HP-41CV programmable calculator.

Pirson, S.J.

1983-01-01T23:59:59.000Z

78

Definition: Mud Logging | Open Energy Information  

Open Energy Info (EERE)

Mud Logging Mud Logging Jump to: navigation, search Dictionary.png Mud Logging Mud logs enable the geological description and analysis of rock cuttings suspended within the returned drilling mud and can provide a variety of useful information regarding reservoir parameters.[1] View on Wikipedia Wikipedia Definition Mud logging is the creation of a detailed record of a borehole by examining the cuttings of rock or brought to the surface by the circulating drilling medium (most commonly mud). Mud logging is usually performed by a third-party mud logging company. This provides well owners and producers with information about the lithology and fluid content of the borehole while drilling. Historically it is the earliest type of well log. Under some circumstances compressed air is employed as a circulating fluid,

79

Attribute Selection Methods in Rough Set Theory.  

E-Print Network [OSTI]

?? Attribute selection for rough sets is an NP-hard problem, in which fast heuristic algorithms are needed to find reducts. In this project, two reduct (more)

Li, Xiaohan

2014-01-01T23:59:59.000Z

80

University of Florida Cell Phone Usage Log  

E-Print Network [OSTI]

University of Florida Cell Phone Usage Log Information below must be compared to the monthly statement provided by the cell phone service provider. It is required that this log be completed when of the last page of the usage log. Employee's Name:Business Device - Cell Phone Number: Printed Name

Sin, Peter

Note: This page contains sample records for the topic "logging residues rough" 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

LogOS: an Automatic Logging Framework for Service-Oriented Architectures  

E-Print Network [OSTI]

LogOS: an Automatic Logging Framework for Service-Oriented Architectures Stéphane Frénot Université architecture focuses on service oriented log- ging for component based architecture. It focuses on two providers in cases of failures. We motivate the need for an automatic logging framework in service-oriented

Paris-Sud XI, Université de

82

Spontaneous Potential Well Log | Open Energy Information  

Open Energy Info (EERE)

Spontaneous Potential Well Log Spontaneous Potential Well Log Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Technique: Spontaneous Potential Well Log Details Activities (2) Areas (2) Regions (0) NEPA(0) Exploration Technique Information Exploration Group: Downhole Techniques Exploration Sub Group: Well Log Techniques Parent Exploration Technique: Well Log Techniques Information Provided by Technique Lithology: SP technique originally applied to locating sulfide ore-bodies. Stratigraphic/Structural: -Formation bed thickness and boundaries -Detection and tracing of faults -Permeability and porosity Hydrological: Determination of fluid flow patterns: electrochemical coupling processes due to variations in ionic concentrations, and electrokinetic coupling processes due to fluid flow in the subsurface.

83

Generalizing Rough Set Theory Through Dominance-Based Rough Set Approach  

Science Journals Connector (OSTI)

Ordinal properties of data related to preferences have been taken into account in the Dominance-based Rough Set Approach (DRSA). We show that DRSA ... a very general framework in which the classical rough set app...

Salvatore Greco; Benedetto Matarazzo

2005-01-01T23:59:59.000Z

84

The evolutionary development of roughness prediction models  

Science Journals Connector (OSTI)

The vigorous expansion of wind energy power generation over the last decade has also entailed innovative improvements to surface roughness prediction models applied to high-torque milling operations. Artificial neural networks are the most widely used ... Keywords: Dimensionality reduction, Genetic algorithm, High-torque milling, Surface roughness

Maciej Grzenda; Andres Bustillo

2013-05-01T23:59:59.000Z

85

Detonation limits in rough walled tubes  

Science Journals Connector (OSTI)

Abstract The present paper reports the results of a study of detonation limits in rough tubes. Detonation velocity is measured by photodiodes and ionization probes spaced at 10cm intervals along the length of the tube. Short lengths of smoked foils inserted into the core of the rough tube is used to register the structure of the detonation wave. Pressure transducers are also used to obtain the pressure profile. The results indicate that in rough tubes, the detonation velocity is generally much lower than the corresponding values for smooth tubes. The velocity decreases slowly at first and then more rapidly as the limit is approached. The velocity variation is generally continuous and at the limits, the failure velocity is of the order of about 0.4 V CJ for all cases. The detonation limits in rough tubes are found to be wider than for a smooth tube. This indicates that the turbulence generated by the wall roughness facilitates the propagation of the detonation and extends the limits. Smoked foil records show that in the core of the rough tube the detonation front has a cellular structure corresponding to the usual cellular structure due to instability of the detonation. Thus the intrinsic unstable cellular structure is quite robust and retains its global characteristics in spite of the large perturbations generated by the rough wall. The detonation in the core of the rough tube goes from multi-headed to single headed as the limit is approached. Past the single headed spin, the low velocity detonation has no cellular structure but consists of interacting weak transverse waves from the rough wall. The averaged pressure of the low velocity detonation front corresponds to about the constant volume explosion pressure, in accord with the velocity of the low velocity detonation.

Amanda Starr; John H.S. Lee; Hoi Dick Ng

2014-01-01T23:59:59.000Z

86

Definition: Gamma Log | Open Energy Information  

Open Energy Info (EERE)

Definition Definition Edit with form History Facebook icon Twitter icon » Definition: Gamma Log Jump to: navigation, search Dictionary.png Gamma Log Gamma logging is a method of measuring naturally occurring gamma radiation to characterize the rock or sediment in a borehole or drill hole. It is a wireline logging method used in mining, mineral exploration, water-well drilling, for formation evaluation in oil and gas well drilling and for other related purposes. Different types of rock emit different amounts and different spectra of natural gamma radiation.[1] View on Wikipedia Wikipedia Definition Gamma ray logging is a method of measuring naturally occurring gamma radiation to characterize the rock or sediment in a borehole or drill hole. It is a wireline logging method used in mining, mineral exploration,

87

TUNING ROUGH CONTROLLERS BY GENETIC ALGORITHMS Teresa Chiu  

E-Print Network [OSTI]

rough sets, rough logic, and evolutionary computing. Rough logic government starts with a symbolic model]. It is a variant of classical fuzzy controller that integrates rough sets, fuzzy logic, genetic algorithm) at the front, we add rough set methodology to extract linguistic rules from a set of ``training data,'' (2

Lin, Tsau Young

88

Rough Truth, Consequence, Consistency and Belief Revision  

Science Journals Connector (OSTI)

The article aims at re-visiting the notion of rough truth...proposed by Pawlak in 1987 [11] and investigating some of its logical consequences. We focus on the formal deductive apparatus... ...

Mohua Banerjee

2004-01-01T23:59:59.000Z

89

Measuring the Surface Roughness of Stream Stones  

Science Journals Connector (OSTI)

Measuring the fine-scale heterogeneity of stones and other substrates is a challenge for benthic ecologists. I describe a method for measuring the roughness of stones that is based on the ratio of two surface ...

Elizabeth A. Bergey

2006-06-01T23:59:59.000Z

90

Rough surface reconstruction for ultrasonic NDE simulation  

SciTech Connect (OSTI)

The reflection of ultrasound from rough surfaces is an important topic for the NDE of safety-critical components, such as pressure-containing components in power stations. The specular reflection from a rough surface of a defect is normally lower than it would be from a flat surface, so it is typical to apply a safety factor in order that justification cases for inspection planning are conservative. The study of the statistics of the rough surfaces that might be expected in candidate defects according to materials and loading, and the reflections from them, can be useful to develop arguments for realistic safety factors. This paper presents a study of real rough crack surfaces that are representative of the potential defects in pressure-containing power plant. Two-dimensional (area) values of the height of the roughness have been measured and their statistics analysed. Then a means to reconstruct model cases with similar statistics, so as to enable the creation of multiple realistic realizations of the surfaces, has been investigated, using random field theory. Rough surfaces are reconstructed, based on a real surface, and results for these two-dimensional descriptions of the original surface have been compared with those from the conventional model based on a one-dimensional correlation coefficient function. In addition, ultrasonic reflections from them are simulated using a finite element method.

Choi, Wonjae; Shi, Fan; Lowe, Michael J. S. [UK Research Centre in NDE, Imperial College, London SW7 2AZ (United Kingdom); Skelton, Elizabeth A.; Craster, Richard V. [Department of Mathematics, Imperial College, London SW7 2AZ (United Kingdom)

2014-02-18T23:59:59.000Z

91

Perturbative Roughness Corrections to Electromagnetic Casimir Energies  

E-Print Network [OSTI]

Perturbative corrections to the Casimir free energy due to macroscopic roughness of dielectric interfaces are obtained in the framework of an effective low-energy field theory. It describes the interaction of electromagnetic fields with materials whose plasma frequency $\\omega_p$ determines the low-energy scale. The na\\"ive perturbative expansion of the single-interface scattering matrix in the variance of the profile is sensitive to short wavelength components of the roughness correlation function. We introduce generalized counter terms that subtract and correct these high-momentum contributions to the loop expansion. To leading order the counter terms are determined by the phenomenological plasmon model. The latter is found to be consistent with the low-energy description. The proximity force approximation is recovered in the limit of long correlation length and gives the upper limit for the roughness correction to the Casimir force. The renormalized low-energy theory is insensitive to the high-momentum behavior of the roughness correlation function. Predictions of the improved theory are compared with those of the unrenormalized model and with experiment. The Casimir interaction of interfaces with low levels of roughness is found to be well reproduced by that of flat parallel plates with the measured reflection coefficients at a distance that is slightly less than the mean separation of the rough surfaces.

Hua Yao Wu; Martin Schaden

2014-02-11T23:59:59.000Z

92

Speed Map for Autonomous Rovers over Rough Terrain  

E-Print Network [OSTI]

requires a training set to categorize rough terrain andis rough and what is not by driving over the training set.obstacles and rough. Within the crater data set, PTA detects

Loh, Jonathan Edau

2012-01-01T23:59:59.000Z

93

Request Log Closedl Date Yes  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

6 FOIA 6 FOIA - Request Log Closedl Date Yes 01 127106 Yes 02/23/06 Yes 04/05/06 Yes 04/03/06 Yes 04/03/06 Yes 05/22/06 Yes 35/30/06 - No. - 00 1 - 002 - 003 - 004 005 006 - 307 - Dated 01 125106 0211 6106 03/29/06 03/31 106 14/03/06 1511 8/06 )5/22/06 Date Rec'd 0 I I2 5/06 02/23/06 03130/06 0313 1 106 04/03/06 05/22/06 05/22/06 HQ or Dir. Direct Transfer from HQ Direct Trans from HQ Direct Direct Transfer 'rom HQ Subject Requesting a list of all your Procurement card holders Requesting copies of any and all Freedom of Information Act (FOIA) requests submitted to the Department of Energy (DOE) by Donna Wright, the Bradenton Herald, or any other individual that requested documentation or information pertaining to the Loral American Beryllium Corporation (also known as the

94

Research and Methodological Foundations of Transaction Log  

E-Print Network [OSTI]

approach to data collection and a research method for both system performance and user behavior analysis and users of that system. These log files can come from a variety of computers and systems (Websites interactions. Transaction log analysis is the methodological approach to studying online systems and users

Jansen, James

95

CORRUPTION AND ILLEGAL LOGGING IN THE WOOD  

E-Print Network [OSTI]

CORRUPTION AND ILLEGAL LOGGING IN THE WOOD PRODUCTS MARKET: the Italian experience in controlling% of wood international trade is based on illegal logging; a total value of 150 Billion $/year (OECD Environmental Outlook, 2001) · At least 50% of wood removals in the Amazon basin, Central Africa and South

Pettenella, Davide

96

SOME RESULTS ON SCATTERING FOR LOG-SUBCRITICAL AND LOG-SUPERCRITICAL  

E-Print Network [OSTI]

SOME RESULTS ON SCATTERING FOR LOG-SUBCRITICAL AND LOG-SUPERCRITICAL NONLINEAR WAVE EQUATIONS HSI equations. First, we consider the H1 x ? L2 x scattering theory for the energy log- subcritical wave regularity) Sobolev space. We include also some observation about scattering in the energy subcritical case

Weinberger, Hans

97

Definition: Chemical Logging | Open Energy Information  

Open Energy Info (EERE)

Logging Logging Jump to: navigation, search Dictionary.png Chemical Logging Chemical logging produces a chemical profile of the formation fluid within a well based on the measurement of changes in the chemical composition of the drilling fluid during drilling operations.[1] References ↑ http://www.osti.gov/bridge/servlets/purl/6076582-xtVTIk/6076582.pdf Ret Like Like You like this.Sign Up to see what your friends like. rieved from "http://en.openei.org/w/index.php?title=Definition:Chemical_Logging&oldid=600357" Category: Definitions What links here Related changes Special pages Printable version Permanent link Browse properties About us Disclaimers Energy blogs Linked Data Developer services OpenEI partners with a broad range of international organizations to grow

98

Definition: Cement Bond Log | Open Energy Information  

Open Energy Info (EERE)

Definition Definition Edit with form History Facebook icon Twitter icon » Definition: Cement Bond Log Jump to: navigation, search Dictionary.png Cement Bond Log A representation of the integrity of the cement job, especially whether the cement is adhering solidly to the outside of the casing. The log is typically obtained from one of a variety of sonic-type tools. The newer versions, called cement evaluation logs, along with their processing software, can give detailed, 360-degree representations of the integrity of the cement job, whereas older versions may display a single line representing the integrated integrity around the casing.[1] Related Terms Acoustic Logs References ↑ Schlumberger Oilfield Glossary Ret LikeLike UnlikeLike You like this.Sign Up to see what your friends like.

99

Computer Simulation of Uranyl Uptake by the Rough Lipopolysaccharide...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Computer Simulation of Uranyl Uptake by the Rough Lipopolysaccharide Membrane of Pseudomonas aeruginosa. Computer Simulation of Uranyl Uptake by the Rough Lipopolysaccharide...

100

Implementing algorithms of rough set theory and fuzzy rough set theory in the R package RoughSets  

Science Journals Connector (OSTI)

Abstract The package RoughSets, written mainly in the R language, provides implementations of methods from the rough set theory (RST) and fuzzy rough set theory (FRST) for data modeling and analysis. It considers not only fundamental concepts (e.g., indiscernibility relations, lower/upper approximations, etc.), but also their applications in many tasks: discretization, feature selection, instance selection, rule induction, and nearest neighbor-based classifiers. The package architecture and examples are presented in order to introduce it to researchers and practitioners. Researchers can build new models by defining custom functions as parameters, and practitioners are able to perform analysis and prediction of their data using available algorithms. Additionally, we provide a review and comparison of well-known software packages. Overall, our package should be considered as an alternative software library for analyzing data based on RST and FRST.

Lala Septem Riza; Andrzej Janusz; Christoph Bergmeir; Chris Cornelis; Francisco Herrera; Dominik ?lezak; Jos Manuel Bentez

2014-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "logging residues rough" 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

An intelligent oil reservoir identification approach by deploying quantum Levenberg-Marquardt neural network and rough set  

Science Journals Connector (OSTI)

An intelligent identification approach combining the features of parallel computation of quantum Levenberg-Marquardt neural network (Q-LM-NN) and information reduct of rough set is proposed as an improved alternative to common statistical identification methods and single-intelligent-based methods which are unable to attain satisfactory result in engineering applications. This approach has been tested to have better performance on reducing the cost and improving the identification accuracy than other methods in practical oil log applications.

Nanping Liu; Fei Zheng; Kewen Xia

2011-01-01T23:59:59.000Z

102

ROUGHNESS LENGTHS FOR THE SAVANNAH RIVER SITE  

SciTech Connect (OSTI)

Surface roughness values for the areas surrounding the H, D and N-Area meteorological towers were computed from archived 2010 meteorological data. These 15-minute-averaged data were measured with cup anemometers and bidirectional wind vanes (bivanes) 61 m above the surface. The results of the roughness calculation using the standard deviation of elevation angle {sigma}{sub E}, and applying the simple formula based on tree canopy height, gave consistent estimates for roughness around the H-Area tower in the range of 1.76 to 1.86 m (95% confidence interval) with a mean value of 1.81 m. Application of the {sigma}{sub E} method for the 61-m level at D and N-Areas gave mean values of 1.71 and 1.81 with confidence ranges of 1.62-1.81 and 1.73-1.88 meters, respectively. Roughness results are azimuth dependent, and thus are presented as averages over compass sectors spanning 22.5 degrees. Calculated values were compared to other methods of determining roughness, including the standard deviation of the azimuth direction, {sigma}{sub A}, and standard deviation of the wind speed, {sigma}{sub U}. Additional data was obtained from a sonic anemometer at 61-m on the H-Area tower during a period of a few weeks in 2010. Results from the sonic anemometer support our use of {sigma}{sub E} to calculate roughness. Based on the H-Area tower results, a surface roughness of 1.8 m using is recommended for use in dispersion modeling applications that consider the impacts of a contaminant release to individuals along the Site boundary. The canopy surrounding the H-Area tower is relatively uniform (i.e., little variance in roughness by upwind direction), and data supplied by the U.S. Forest Service at Savannah River show that the canopy height and composition surrounding the H-Area tower is reasonably representative of forested areas throughout the SRS reservation. For dispersion modeling analyses requiring assessments of a co-located worker within the respective operations area, recommended area-specific values range from 0.3 m for E Area to 0.7 m for A Area at the Savannah River National Laboratory. These area-specific values, summarized in Table 4-1, were determined using the Environmental Protection Agency's AERSURFACE computer algorithm.

Hunter, C.

2012-03-28T23:59:59.000Z

103

Probabilistic Rough Set Approximations Yiyu (Y.Y.) Yao  

E-Print Network [OSTI]

Probabilistic Rough Set Approximations Yiyu (Y.Y.) Yao Department of Computer Science University have been applied to the theory of rough set in sev- eral forms, including decision-theoretic analysis and rough inclusion functions, we revisit probabilistic rough set approximation operators and present

Yao, Yiyu

104

Web-based Support Systems with Rough Set Analysis  

E-Print Network [OSTI]

Web-based Support Systems with Rough Set Analysis JingTao Yao Joseph P. Herbert Department. The applications of rough set analysis for WSS is looked at in this article. In particular, our focus of the challenges of using rough sets in a WMSS and detail some of the applications of rough sets in analyzing

Yao, JingTao

105

Fuzzy-Rough Nearest Neighbour Classification Richard Jensen1  

E-Print Network [OSTI]

as with the recently intro- duced vaguely quantified rough sets. Preliminary results are very good, and in general FRNN] and rough sets [18] is representative of this. The success of rough set theory is due in part to three on a particular domain. Thirdly, it finds a minimal knowledge representation for data. As rough set theory handles

Gent, Universiteit

106

Fuzzy-Rough Instance Selection Richard Jensen and Chris Cornelis  

E-Print Network [OSTI]

Fuzzy-Rough Instance Selection Richard Jensen and Chris Cornelis Abstract-- Rough set theory. Recently, the value of fuzzy-rough sets for feature selection and rule induction has been established proposes three novel methods for instance selection based on fuzzy-rough sets. The initial experimentation

Gent, Universiteit

107

Rough operations on Boolean algebras Guilin Qi and Weiru Liu  

E-Print Network [OSTI]

; Rough operations; Uncertainty measures 1 Introduction Rough set theory was introduced by Pawlak [16] to generalize the classical set theory. In rough set theory, given an equivalence relation on a universe, we can is corresponding to the equivalence relation [11]. In [14,15], Yao generalized rough set theory by generalizing

Liu, Weiru

108

Decision-theoretic rough fuzzy set model and application  

Science Journals Connector (OSTI)

Abstract This article investigates the rough approximation of a fuzzy concept on a probabilistic approximation space. We propose the probabilistic rough fuzzy set by defining the conditional probability of a fuzzy event. Then we establish the model of probabilistic rough fuzzy set and discuss several properties in detail. Furthermore, three generalizations of probabilistic rough fuzzy set, namely, 0.5-probabilistic rough fuzzy set, variable precision probabilistic rough fuzzy set and Bayesian rough fuzzy set are reported. In order to give a systematic method of selecting parameters for the probabilistic rough fuzzy set, we propose a decision-theoretic rough fuzzy set. That is, we formulate a non-parametric definition of the probabilistic rough fuzzy set. Moreover, we illustrate the motivation and verify the validity of the decision-theoretic rough fuzzy set by using a credit card applicant decision-making problem. Furthermore, the interrelationship between the decision-theoretic rough fuzzy set and the probabilistic rough fuzzy set is explained. The main contribution of this paper is twofold. One is to extend the probabilistic rough set to fuzzy environment, i.e., the probabilistic rough fuzzy set model. Another is to present an approach to select parameters needed in probabilistic rough fuzzy set modeling by using the process of decision-making under conditions of risk.

Bingzhen Sun; Weimin Ma; Haiyan Zhao

2014-01-01T23:59:59.000Z

109

Naive Bayesian Rough Sets Yiyu Yao and Bing Zhou  

E-Print Network [OSTI]

Naive Bayesian Rough Sets Yiyu Yao and Bing Zhou Department of Computer Science, University assumptions, which is often used for ranking or constructing a binary classifier. The theory of rough sets decision-theoretic rough set model, or simply a naive Bayesian rough set (NBRS) model, to integrate

Yao, Yiyu

110

Energy Citations Database (ECD) - Alerts Log On  

Office of Scientific and Technical Information (OSTI)

ECD Alerts Log On Alerts provide users with e-mail notification of updates to the ECD in specific areas of interest. If you wish to receive an Alert and are not registered, please...

111

Logs Wood Chips Straw Corn Switchgrass  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

Clean energy can come from the sun. The energy in wind can make electricity. Bioenergy comes from plants we can turn into fuel. Logs Wood Chips Straw Corn Switchgrass We can use...

112

Logging-while-coring method and apparatus  

DOE Patents [OSTI]

A method and apparatus for downhole coring while receiving logging-while-drilling tool data. The apparatus includes core collar and a retrievable core barrel. The retrievable core barrel receives core from a borehole which is sent to the surface for analysis via wireline and latching tool The core collar includes logging-while-drilling tools for the simultaneous measurement of formation properties during the core excavation process. Examples of logging-while-drilling tools include nuclear sensors, resistivity sensors, gamma ray sensors, and bit resistivity sensors. The disclosed method allows for precise core-log depth calibration and core orientation within a single borehole, and without at pipe trip, providing both time saving and unique scientific advantages.

Goldberg, David S. (New York, NY); Myers, Gregory J. (Cornwall, NY)

2007-11-13T23:59:59.000Z

113

CMLOG: A common message logging system  

SciTech Connect (OSTI)

The Common Message Logging (CMLOG) system is an object-oriented and distributed system that not only allows applications and systems to log data (messages) of any type into a centralized database but also lets applications view incoming messages in real-time or retrieve stored data from the database according to selection rules. It consists of a concurrent Unix server that handles incoming logging or searching messages, a Motif browser that can view incoming messages in real-time or display stored data in the database, a client daemon that buffers and sends logging messages to the server, and libraries that can be used by applications to send data to or retrieve data from the database via the server. This paper presents the design and implementation of the CMLOG system meanwhile it will also address the issue of integration of CMLOG into existing control systems.

Chen, J.; Akers, W.; Bickley, M.; Wu, D.; Watson, W. III [Thomas Jefferson National Accelerator Facility, Newport News, VA (United States). Control Software Group

1997-12-01T23:59:59.000Z

114

Pressure Temperature Log | Open Energy Information  

Open Energy Info (EERE)

Page Page Edit with form History Facebook icon Twitter icon » Pressure Temperature Log Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Technique: Pressure Temperature Log Details Activities (13) Areas (13) Regions (0) NEPA(0) Exploration Technique Information Exploration Group: Downhole Techniques Exploration Sub Group: Well Log Techniques Parent Exploration Technique: Well Log Techniques Information Provided by Technique Lithology: Stratigraphic/Structural: Perturbations in temperature or pressure can be indicative of faults or other structural features Hydrological: fluid cirulation, over-pressured zones, and under-pressured zones. Thermal: Temperature profile with depth Cost Information Low-End Estimate (USD): 0.6060 centUSD 6.0e-4 kUSD

115

Parameterizing energy conversion on rough topography  

E-Print Network [OSTI]

Parameterizing energy conversion on rough topography using bottom pressure sensors to measure form and mixing U0 Form drag pressure Tidal energy conversion Form drag causes: - internal wave generation - eddy Sound, WA Point Three Tree Previous work McCabe et al., 2006 > Measured the internal form drag

Warner, Sally

116

Loan payment prediction using rough sets  

Science Journals Connector (OSTI)

In small business loans, there is always a risk for nonpayment or non-refunding of loans though very detailed examinations are made about the company. In this study, behaviors that increase the risk in loans or causing non-refunding are tried to be determined ... Keywords: classification, loan payment failure, prediction, rough sets

Bahadtin Ruzgar; Nursel Selver Ruzgar

2008-03-01T23:59:59.000Z

117

Cost, energy and carbon dioxide (CO2) effectiveness of a harvesting and transporting system for residual forest biomass  

Science Journals Connector (OSTI)

The purpose of this study is to examine the feasibility of a system to harvest logging residues (or slashes) as a new resource for energy in Japan. A harvesting and transporting system ... the system is discussed...

Takuyuki Yoshioka; Kazuhiro Aruga; Hideo Sakai

2002-08-01T23:59:59.000Z

118

VEHICLE USAGE LOG Department ________________________________________ Vehicle Homebase ____________________________ Week Ended (Sunday) _________________  

E-Print Network [OSTI]

VEHICLE USAGE LOG Department ________________________________________ Vehicle Homebase (rev. 10/2005-ecb) #12;Vehicle Usage Log Instructions General instructions: The details of the use

Yang, Zong-Liang

119

Manager's Signature Log Privacy Impact Assessment, Office of...  

Energy Savers [EERE]

Manager's Signature Log Privacy Impact Assessment, Office of Science Chicago Office Manager's Signature Log Privacy Impact Assessment, Office of Science Chicago Office Manager's...

120

Well Log Data At Valles Caldera - Redondo Geothermal Area (Shevenell...  

Open Energy Info (EERE)

Area Exploration Technique Well Log Data Activity Date - 1988 Usefulness useful DOE-funding Unknown Exploration Basis The study reports well log data from five wells...

Note: This page contains sample records for the topic "logging residues rough" 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

Green Energy Resources Inc formerly New York International Log...  

Open Energy Info (EERE)

International Log Lumber Company Jump to: navigation, search Name: Green Energy Resources Inc (formerly New York International Log & Lumber Company) Place: San Antonio, Texas...

122

Pressure Temperature Log At Glass Buttes Area (DOE GTP) | Open...  

Open Energy Info (EERE)

Pressure Temperature Log At Glass Buttes Area (DOE GTP) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Pressure Temperature Log At Glass Buttes...

123

Formal Concept Analysis Based on Rough Set Theory and a Construction Algorithm of Rough Concept Lattice  

Science Journals Connector (OSTI)

FCA(Formal Concept Analysis), which is accurate and complete in knowledge representation, is an effective tool for data analysis and knowledge discovery. A new lattice structure named RCL (Rough Concept Lattice) ...

Haifeng Yang

2011-01-01T23:59:59.000Z

124

Rough Mereological Reasoning in Rough Set Theory: Recent Results and Problems  

Science Journals Connector (OSTI)

This article comes up a couple of months after the death of Professor Zdzis?aw Pawlak who created in 1982 the theory of rough sets as a vehicle to carry out Concept...

Lech Polkowski

2006-01-01T23:59:59.000Z

125

Cement Bond Log | Open Energy Information  

Open Energy Info (EERE)

Cement Bond Log Cement Bond Log Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Technique: Cement Bond Log Details Activities (0) Areas (0) Regions (0) NEPA(0) Exploration Technique Information Exploration Group: Downhole Techniques Exploration Sub Group: Well Log Techniques Parent Exploration Technique: Acoustic Logs Information Provided by Technique Lithology: Stratigraphic/Structural: Hydrological: Thermal: Cost Information Low-End Estimate (USD): 0.8585 centUSD 8.5e-4 kUSD 8.5e-7 MUSD 8.5e-10 TUSD / foot Median Estimate (USD): 1.25125 centUSD 0.00125 kUSD 1.25e-6 MUSD 1.25e-9 TUSD / foot High-End Estimate (USD): 3.00300 centUSD 0.003 kUSD 3.0e-6 MUSD 3.0e-9 TUSD / foot Time Required Low-End Estimate: 0.35 days9.582478e-4 years 8.4 hours 0.05 weeks 0.0115 months / job

126

Correlating toughness and roughness in ductile fracture  

E-Print Network [OSTI]

Three dimensional calculations of ductile crack growth under mode I plane strain, small scale yielding conditions are carried out using an elastic-viscoplastic constitutive relation for a progres- sively cavitating plastic solid with two populations of void nucleating second phase particles. Full field solutions are obtained for three dimensional material microstructures characterized by ran- dom distributions of void nucleating particles. Crack growth resistance curves and fracture surface roughness statistics are calculated using standard procedures. The range of void nucleating particle volume fractions considered give rise to values of toughness, JIC, that vary by a factor of four. For all volume fractions considered, the computed fracture surfaces are self-affine over a size range of about two orders of magnitude with a roughness exponent of 0.54 $\\pm$ 0.03. For small void nucleating particle volume fractions, the mean large particle spacing serves as a single dominant length scale. In this regime, the c...

Ponson, Laurent; Osovski, Shmulik; Bouchaud, Elisabeth; Tvergaard, Viggo; Needleman, Alan

2013-01-01T23:59:59.000Z

127

Smith-Purcell Radiation from Rough Surfaces  

E-Print Network [OSTI]

Radiation of a charged particle moving parallel to a inhomogeneous surface is considered. Within a single formalism periodic and random gratings are examined. For the periodically inhomogeneous surface we derive new expressions for the dispersion relation and the spectral-angular intensity. In particular, for a given observation direction two wavelengths are emitted instead of one wavelength of the standard Smith-Purcell effect. For a rough surface we show that the main contribution to the radiation intensity is given by surface polaritons induced on the interface between two media. These polaritons are multiply scattered on the roughness of surface and convert into real photons. The spectral-angular intensity is calculated and its dependence on different parameters is revealed.

Gevorkian, Zh S

2010-01-01T23:59:59.000Z

128

On multi-granulation covering rough sets  

Science Journals Connector (OSTI)

Abstract Recently, much attention has been given to multi-granulation rough sets (MGRS) and different kinds of multi-granulation rough set models have been developed from various viewpoints. In this paper, we propose four types of multi-granulation covering rough set (MGCRS) models under covering approximation space, where a target concept is approximated by employing the maximal or minimal descriptors of objects in a given universe of discourse U. And then, we investigate a number of basic properties of the four types of MGCRS models, and discuss the relationships and differences among the classical MGRS model and our MGCRS models. Moreover, the conditions for two distinct MGCRS models which produce identical lower and upper approximations of a target concept in a covering approximation space are also studied. Finally, the relationships among the four types of MGCRS models are explored. We find that for any subset X ? U , the lower approximations of X and the upper approximations of X under the four types of MGCRS models can construct a lattice, if we consider the binary relation of inclusion.

Caihui Liu; Duoqian Miao; Jin Qian

2014-01-01T23:59:59.000Z

129

Combating Illegal LoggingCombating Illegal Logging in Russia:in Russia  

E-Print Network [OSTI]

Combating Illegal LoggingCombating Illegal Logging in Russia:in Russia: Case study ofCase study of PrimorskyPrimorsky RegionRegion AlexeyAlexey MorozovMorozov Greenpeace RussiaGreenpeace Russia http://www region: 2000 #12;RUSSIA Official Responses 7 of July 2000 Head of Nature Resource Committee

130

Combating Illegal LoggingCombating Illegal Logging in Russia:in Russia  

E-Print Network [OSTI]

Combating Illegal LoggingCombating Illegal Logging in Russia:in Russia: Case study ofCase study of PrimorskyPrimorsky RegionRegion AlexeyAlexey MorozovMorozov Greenpeace RussiaGreenpeace Russia #12;Primorsky #12;RUSSIA Official Responses 7 of July 2000 Head of Nature Resource Committee of the Primorsky

131

Decision-theoretic Rough Sets and Beyond Zdzislaw Pawlak introduced rough sets 30 years ago as a theory for data analysis and  

E-Print Network [OSTI]

Decision-theoretic Rough Sets and Beyond Zdzislaw Pawlak introduced rough sets 30 years ago as a theory for data analysis and classification. Rough. Fundamental notions of rough sets are knowledge granulation induced by grouping objects

Yao, JingTao

132

Research on Rough Set Theory and Applications in China  

Science Journals Connector (OSTI)

This article gives a capsule view of research on rough set theory and applications ongoing at universities and ... China. Included in this capsule view of rough set research is a brief description of the followin...

Guoyin Wang; Qinghua Zhang; Houkuan Huang; Dongyi Ye

2008-01-01T23:59:59.000Z

133

On the Climate Impact of Surface Roughness Anomalies  

Science Journals Connector (OSTI)

Large-scale deployment of wind power may alter climate through alteration of surface roughness. Previous research using GCMs has shown large-scale impacts of surface roughness perturbations but failed to elucidate the dynamic mechanisms that ...

Daniel B. Kirk-Davidoff; David W. Keith

2008-07-01T23:59:59.000Z

134

Diffuse scattering of hard x rays from rough surfaces  

Science Journals Connector (OSTI)

The diffuse scattering of hard x rays from rough solid surfaces has been measured and described quantitatively in terms of an improved distorted-wave Born approximation. The rough surface is characterized by the rms roughness ?, the height-height correlation length ?, and the roughness exponent h. The value for ? is in excellent agreement with that deduced from reflectivity. The significance of the parameters ?, ?, and h is tested by comparison with the results obtained from scanning force mircoscopy.

Wolfgang Weber and Bruno Lengeler

1992-09-15T23:59:59.000Z

135

Rough-Fuzzy MLP: Modular Evolution, Rule Generation, and Evaluation  

E-Print Network [OSTI]

they are integrated and evolved. Rough set dependency rules are generated directly from the real valued attribute Terms--Soft computing, knowledge-based fuzzy networks, rough sets, genetic algorithms, pattern efficient systems in soft computing paradigm. Recently, the theory of rough sets [2], [3] has emerged

Mitra, Sushmita

136

ROUGH EVOLUTION EQUATIONS MASSIMILIANO GUBINELLI AND SAMY TINDEL  

E-Print Network [OSTI]

with respect to [12], and set the basis of a real rough path expansion in order to define and solve equation (2ROUGH EVOLUTION EQUATIONS MASSIMILIANO GUBINELLI AND SAMY TINDEL Abstract. We show how to generalize Lyons' rough paths theory in order to give a pathwise meaning to some non-linear infinite

Tindel, Samy - Institut de Mathématiques ?lie Cartan, Université Henri Poincaré

137

ROUGH SET APPROXIMATIONS: A CONCEPT ANALYSIS POINT OF VIEW  

E-Print Network [OSTI]

ROUGH SET APPROXIMATIONS: A CONCEPT ANALYSIS POINT OF VIEW Yiyu Yao University of Regina, Regina and content of data, definable concepts, lower and upper ap- proximations, rough set approximations Contents 1. Conclusion Bibliography Biographical Sketches Summary Rough set theory was proposed by Pawlak for analyzing

Yao, Yiyu

138

A study of the rough set for image understanding  

E-Print Network [OSTI]

A study of the rough set approach for image understanding by Peter Golibrzuch Supervisor: Prof. Dr . . . . . . . . . . . . . . . . . . . 8 2.4 Discussion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 3 Rough Sets 15 3.1 Classical Set Theory and Rough Sets . . . . . . . . . . . . . . 15 3.2 Information Systems

139

Rough Set Approximations in Formal Concept Analysis and Knowledge Spaces  

E-Print Network [OSTI]

Rough Set Approximations in Formal Concept Analysis and Knowledge Spaces Feifei Xu1,2 , Yiyu Yao2 a generalized definition of rough set approximations, based on a subsystem of subsets of a universe. The sub set approximations. 1 Introduction Rough set theory [6, 7] is an extension of the set theory with two

Yao, Yiyu

140

Probabilistic Approaches to Rough Sets Department of Computer Science  

E-Print Network [OSTI]

Probabilistic Approaches to Rough Sets Y.Y. Yao Department of Computer Science University of Regina reviews probabilistic approaches to rough sets in gran- ulation, approximation, and rule induction and probabilistic rough set approximations are studied. The probabilistic approximations are defined in a decision

Yao, Yiyu

Note: This page contains sample records for the topic "logging residues rough" 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

Rough Sets and Matroids Victor W. Marek1  

E-Print Network [OSTI]

Rough Sets and Matroids Victor W. Marek1 and Andrzej Skowron2 1 Department of Computer Science and Zhu [2] and discuss some consequences of that and related facts for the development of rough set theory. Key words: rough set, matroid 1 Introduction The goal of this note is to provide a proof

Marek, Victor W.

142

Relational Interpretations of Neighborhood Operators Rough Set Approximation Operators  

E-Print Network [OSTI]

Relational Interpretations of Neighborhood Operators and Rough Set Approximation Operators Y.Y. Yao and rough set approximations using the more familiar notion of binary relations. A special class of neigh sets, partitions, coverings. 1 INTRODUCTION The theory of rough sets is motivated by practical needs

Yao, Yiyu

143

Generalized Rough Set Models Department of Computer Science  

E-Print Network [OSTI]

Generalized Rough Set Models Y.Y. Yao Department of Computer Science Lakehead University Thunder the rough set theory in early eighties, many proposals have been made for generalizing and interpreting rough sets [3, 4, 19, 27, 37, 38, 39, 46, 47, 51, 52, 54, 55, 63, 65, 66, 67, 68, 69, 70, 71, 72, 83, 92

Yao, Yiyu

144

Scattering by infinite one-dimensional rough surfaces  

Science Journals Connector (OSTI)

...wave scattering by infinite rough surfaces and interfaces (see...but only if we assume that the rough surface approaches a flat boundary...plane-wave incidence), if our rough surface is periodic and the...we denote by BC(V ) the set of functions bounded and continuous...

1999-01-01T23:59:59.000Z

145

Attribute Reduction in Decision-Theoretic Rough Set Models  

E-Print Network [OSTI]

Attribute Reduction in Decision-Theoretic Rough Set Models Yiyu Yao, Yan Zhao Department of Computer Science, University of Regina, Regina, Saskatchewan, Canada S4S 0A2 Abstract Rough set theory can, and interpreted by, a decision-theoretic model, which is a probabilistic extension of the Pawlak rough set model

Yao, Yiyu

146

Spinning rough disc moving in a rarefied medium  

Science Journals Connector (OSTI)

...body under consideration is a rough disc, that is, a set obtained from a circle by...Triangular cavity. The sets B m representing the rough disc B are regular m-gons...2009 bBilliard scattering on rough sets:two-dimensional caseSIAM...

2010-01-01T23:59:59.000Z

147

ROUGH VOLTERRA EQUATIONS 1: THE ALGEBRAIC INTEGRATION SETTING.  

E-Print Network [OSTI]

ROUGH VOLTERRA EQUATIONS 1: THE ALGEBRAIC INTEGRATION SETTING. AUR?LIEN DEYA AND SAMY TINDEL of the rough path theory called algebraic integration. In the Young case, that is for a driving signal with Volterra equations driven by rough paths. For an arbitrary positive constant T, this kind of equation can

Tindel, Samy - Institut de Mathématiques ?lie Cartan, Université Henri Poincaré

148

ROUGH VOLTERRA EQUATIONS 1: THE ALGEBRAIC INTEGRATION SETTING  

E-Print Network [OSTI]

ROUGH VOLTERRA EQUATIONS 1: THE ALGEBRAIC INTEGRATION SETTING AUR´ELIEN DEYA AND SAMY TINDEL of the rough path theory called algebraic integration. In the Young case, that is for a driving signal with H equations driven by rough paths. For an arbitrary positive constant T, this kind of equation can be written

Paris-Sud XI, Université de

149

A New Approach to Fuzzy-Rough Nearest Neighbour Classification  

E-Print Network [OSTI]

-norm), as well as with the recently introduced vaguely quantified rough sets. Preliminary results are very good- gredients of rough set theory, i.e., lower and upper approximation. In this paper, therefore, we present, including the traditional implicator/t-norm based model [13], as well as the vaguely quantified rough set

Gent, Universiteit

150

Rough Set Approximation Framework for Smarter Vertical Handovers  

E-Print Network [OSTI]

2010 Rough Set Approximation Framework for Smarter Vertical Handovers Nalin ChakooO, Saewoong to support seamless mobility. In this paper, we propose rough set based decision framework for vertical handoff in heterogeneous networks. We apply fuzzy decision to fuzzy-rough set which gives us the advantage

Bahk, Saewoong

151

Learning Optimal Parameters in Decision-Theoretic Rough Sets  

E-Print Network [OSTI]

Learning Optimal Parameters in Decision-Theoretic Rough Sets Joseph P. Herbert JingTao Yao]@cs.uregina.ca Abstract. A game-theoretic approach for learning optimal parameter values for probabilistic rough set. The decision-theoretic rough set model acquires initial values for these parameters through a combination

Yao, JingTao

152

ROUGH VOLTERRA EQUATIONS 1: THE ALGEBRAIC INTEGRATION SETTING.  

E-Print Network [OSTI]

ROUGH VOLTERRA EQUATIONS 1: THE ALGEBRAIC INTEGRATION SETTING. AUR?LIEN DEYA AND SAMY TINDEL, the main dierence between classical dierential equations driven by rough signals and our Volterra setting of the rough path theory called algebraic integration. In the Young case, that is for a driving signal

Deya, Aurélien - Institut de Mathématiques ?lie Cartan, Université Henri Poincaré

153

An Incremental, Probabilistic Rough Set Approach to Rule Discovery  

E-Print Network [OSTI]

1 An Incremental, Probabilistic Rough Set Approach to Rule Discovery Ning Zhong, Ju­Zhen Dong, Setsuo Ohsuga, Tsau Young Lin Abstract--- This paper introduces an incremental, proba­ bilistic rough set. The approach is based on the combination of Generaliza­ tion Distribution Table (GDT) and the rough set

Lin, Tsau Young

154

Fuzzy Rough Sets: from Theory into Practice Chris Cornelis1  

E-Print Network [OSTI]

Fuzzy Rough Sets: from Theory into Practice Chris Cornelis1 , Martine De Cock1 , Anna Maria 1, 00-661 Warsaw, Poland annrad@mini.pw.edu.pl Abstract Fuzzy sets and rough sets address two], 1965), as well as the slightly younger rough sets (Pawlak [23], 1982), have left an important mark

Gent, Universiteit

155

Bounds on the electrical resistance between contacting elastic rough bodies  

Science Journals Connector (OSTI)

...conductance for the rough contact problem...be restricted to a set of microscopic `actual...comprises an in nite set of highly clustered...of indentation of a rough surface. These bounds...Consequences for fractal rough surfaces The bounds...comprises an in nite set of point contacts...

2003-01-01T23:59:59.000Z

156

Generalization of Rough Sets Using Relationships Between Attribute Values  

E-Print Network [OSTI]

Generalization of Rough Sets Using Relationships Between Attribute Values Y.Y. Yao Department2 E-mail: wong@cs.uregina.ca abstract The notion of rough sets is generalized by using an arbitrary attribute values. The adoption of other types of relations enables us to define various classes of rough set

Yao, Yiyu

157

Using Rough Sets Theory to predict German Word Stress  

E-Print Network [OSTI]

Using Rough Sets Theory to predict German Word Stress Stefan Rapp Michael Jessen Grzegorz Dogil 14 Rough Set Theory [Paw82, Paw91] is a framework for reasonably deal­ ing with imprecise or uncertain data application of a Rough Set based machine learning algorithm is presented that can predict german word stress

Reyle, Uwe

158

Fuzzy Rough Positive Region based Nearest Neighbour Classification  

E-Print Network [OSTI]

, Wales, UK Email: rkj@aber.ac.uk Abstract--This paper proposes a classifier that uses fuzzy rough set fuzzy rough set theory to improve the FNN algorithm have some shortcomings and we overcome them by using vaguely quantified rough sets (VQRSs, [7]). In this paper, we show that FRNN only takes into account one

Gent, Universiteit

159

Multi-Adjoint Fuzzy Rough Sets Chris Cornelisa,1  

E-Print Network [OSTI]

Multi-Adjoint Fuzzy Rough Sets Chris Cornelisa,1 , Jes´us Medinab,2 , Nele Verbiesta a Department/t-norm based fuzzy rough set model based on a family of adjoint pairs. Rather than using a fixed implicator use in data reduction. 1. Introduction Fuzzy sets and rough sets model two complementary

Gent, Universiteit

160

Uncertainty measures of rough set prediction Ivo Dntsch  

E-Print Network [OSTI]

Uncertainty measures of rough set prediction Ivo Düntsch School of Information and Software in rough set data analysis, the approximation quality, is of limited value when there is a choice of competing models for predicting a decision variable. In keeping within the rough set philosophy of non

Düntsch, Ivo

Note: This page contains sample records for the topic "logging residues rough" 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

Statistical Evaluation of Rough Set Dependency Analysis Ivo Dntsch1  

E-Print Network [OSTI]

Statistical Evaluation of Rough Set Dependency Analysis Ivo Düntsch1 School of Information authorship implied #12;Summary Rough set data analysis (RSDA) has recently become a frequently studied databases; it is, however, not clear from within the methods of rough set analysis, whether the extracted

Düntsch, Ivo

162

Rough Sets, Kernel Set, and Spatiotemporal Outlier Detection  

E-Print Network [OSTI]

Rough Sets, Kernel Set, and Spatiotemporal Outlier Detection Alessia Albanese, Member, IEEE, Sankar with the outlier detection problem in spatiotemporal data and describe a rough set approach that finds the top outliers in an unlabeled spatiotemporal data set. The proposed method, called Rough Outlier Set Extraction

Pal, Sankar Kumar

163

Case Generation Using Rough Sets with Fuzzy Representation  

E-Print Network [OSTI]

Case Generation Using Rough Sets with Fuzzy Representation Sankar K. Pal, Fellow, IEEE, and Pabitra a fuzzy granulation of the feature space. Rough set theory is used to obtain dependency rules which model-life data sets. Index Terms--Case-based reasoning, linguistic representation, rough dependency rules

Mitra, Pabitra

164

Theory of free surface flow over rough seeping beds  

Science Journals Connector (OSTI)

...horizontal bed is assumed to be rough consisting of sediment...the other hand, in the rough flow regime (Re *70...the introduction, the set of equations (3.2...turbulent flow over a rough planar sand bed. The...The flow conditions were set in such a way that sediment...

2007-01-01T23:59:59.000Z

165

Constructive and Algebraic Methods of the Theory of Rough Sets  

E-Print Network [OSTI]

Constructive and Algebraic Methods of the Theory of Rough Sets Y.Y. Yao Department of Computer@flash.lakeheadu.ca This paper reviews and compares constructive and algebraic approaches in the study of rough sets operators using the binary relation. Different classes of rough set algebras are obtained from different

Yao, Yiyu

166

2011 Daily Log Report #: 2011-00168  

E-Print Network [OSTI]

2011 Daily Log March 2011 Report #: 2011-00168 Reported: 03/31/2011 1237 Occurred: 03/31/2011 1235 Incident: Medical Emergency Location: Outside of Student Union Disposition: Report--Closed Comments: Female transported to hospital by ambulance for medical treatment. Report #: 2011-00167 Reported: 03/31/2011 1116

Boyce, Richard L.

167

2009 Daily Log Report #: 2009-00202  

E-Print Network [OSTI]

2009 Daily Log March 2009 Report #: 2009-00202 Reported: 03/31/09 2045 Occurred: 03/29/09 1400 to 03/30/09 2000 Incident: Theft Location: Lot Q Disposition: Report--Open Comments: GPS System stolen from unlocked vehicle. Report #: 2009-00201 Reported: 03/31/09 1833 Occurred: Same Incident: Fire

Boyce, Richard L.

168

2009 Daily Log Report #: 2009-00269  

E-Print Network [OSTI]

2009 Daily Log April 2009 Report #: 2009-00269 Reported: 04/30/09 1508 Occurred: Same Incident: Traffic Crash Location: Johns Hill Road and Kenton Drive Disposition: Report--Closed Comments: Two vehicle accident; no injuries. Report #: 2009-00268 Reported: 04/30/09 1049 Occurred: Same Incident: Traffic Crash

Boyce, Richard L.

169

2011 Daily Log Report #: 2011-00229  

E-Print Network [OSTI]

2011 Daily Log April 2011 Report #: 2011-00229 Reported: 04/29/2011 2327 Occurred: 04/29/2011 2325 Incident: Medical Emergency Location: University Center Disposition: Report--Closed Comments: Female transported by ambulance to hospital for medical treatment. Report #: 2011-00228 Reported: 04/29/2011 1702

Boyce, Richard L.

170

2010 Daily Log Report #: 2010-00262  

E-Print Network [OSTI]

2010 Daily Log June 2010 Report #: 2010-00262 Reported: 06/30/10 0957 Occurred: 06/24/10 1630 to 0957 Incident: Theft Location: Founders Hall Disposition: Report--Open Comments: Several textbooks stolen from office. No Reportable Activity on 06/29/10 Report #: 2010-00261 Reported: 06/28/10 1720

Boyce, Richard L.

171

2009 Daily Log Report #: 2009-00327  

E-Print Network [OSTI]

2009 Daily Log June 2009 Report #: 2009-00327 Reported: 06/30/09 1118 Occurred: Same Incident: Fire/Smoke Alarm Location: Dorm--Kentucky Hall Disposition: Report--Closed Comments: Alarm activation caused by drywall dust from contractors; fire department responded and cleared the scene. No Reportable Activity

Boyce, Richard L.

172

2011 Daily Log Report #: 2011-00261  

E-Print Network [OSTI]

2011 Daily Log May 2011 Report #: 2011-00261 Reported: 05/31/2011 1300 Occurred: Same Incident: Medical Emergency Location: University Center Disposition: Report--Closed Comments: Male transported to hospital by ambulance for evaluation and treatment. No Reportable Activity on 05/30/2011 No Reportable

Boyce, Richard L.

173

2011 Daily Log Report #: 2011-00295  

E-Print Network [OSTI]

2011 Daily Log June 2011 Report #: 2011-00295 Reported: 6/30/2011 0813 Occurred: 6/29/2011 1430 Incident: Traffic Crash Location: Sidewalk on Plaza Level Disposition: Report--Closed Comments: Single vehicle accident; no injuries. Report #: 2011-00294 Reported: 06/29/2011 1909 Occurred: Same Incident

Boyce, Richard L.

174

2010 Daily Log Report #: 2010-00221  

E-Print Network [OSTI]

2010 Daily Log April 2010 Report #: 2010-00221 Reported: 04/30/10 1034 Occurred: Same Incident: Found/Recovered Property Location: Founders Hall Disposition: Report--Closed Comments: Small purse was found in classroom. Report #: 2010-00220 Reported: 04/30/10 1347 Occurred: 04/30/10 0820 to 0900

Boyce, Richard L.

175

2011 Daily Log Report #: 2011-00317  

E-Print Network [OSTI]

2011 Daily Log July 2011 Report #: 2011-00317 Reported: 07/30/2011 1446 Occurred: 07/30/2011 1435 Incident: Odor Related Complaint Location: Power Plant Disposition: Report--Closed Comments: Subject reported a strange odor emanating from somewhere in the vicinity; fire department responded and cleared

Boyce, Richard L.

176

Navjot's nightmare revisited: logging, agriculture, and biodiversity  

E-Print Network [OSTI]

forests. Conversely, conversion of primary or logged forests to plantation crops, such as oil palm, causes the biodiversity of this region. Our analysis also suggests that, because South- east Asian forests are tightly and replaced with a nonforest landcover (e.g., agriculture including oil palm and rubber, timber plantations

Vermont, University of

177

Monthly Tank Inspection Log Name of Campus  

E-Print Network [OSTI]

Monthly Tank Inspection Log Name of Campus Street Address of Campus City, State, and Zip Code of Campus 1 of 2 1. Facility PBS Registration Number 6. DISTRIBUTE TO : 2. Tank Number 3. Tank Registered(S) Satisfactory Repair or Adjustment Required Not Applicable Additional Comments Attached ABOVEGROUND STORAGE TANK

Rosen, Jay

178

Gamma-Ray Logging Workshop (February 1981)  

Broader source: Energy.gov (indexed) [DOE]

Borehole logging methods for exploration Borehole logging methods for exploration and evaluation o f uranium deposits . Philip H. O d d , Robert F. Bmullad and Carl P. Lathan rej~rinkttl fnlm Mining and Groundwater Geophysiall967 Borehole logging methods for exploration and evaluation of uranium deposits Philip H. Dodd, Robert F. Droullard and Carl P. Lathan US. Atomic Energy Commhwn GmrPd Jtinct&n, Colorado Abstract, M o l e 1 - i s thc geophysical methad mast exten&@ w r t i n the Udtrrd States for exploratio~ md edwtim of wanhi &pod&. dammow lop, C o r n r n d j suppkrnentd with a singbz-pobt msfstailee log, m t l y supply about 80 percent of the bask data for om regerve c W t i o R a d mu& of the w ~ k r 6 . p ~ &ngk inf~nnatio~ Tmck-mounted 'rotmy eqnipmcnt i s EMhmody emphy&& holes usually hwre a nominai b

179

Energy Efficiency in Log Homes | Department of Energy  

Broader source: Energy.gov (indexed) [DOE]

Energy Efficiency in Log Homes Energy Efficiency in Log Homes Energy Efficiency in Log Homes April 13, 2012 - 11:29am Addthis Consider energy efficiency when designing or purchasing a log home. | Photo courtesy of ©iStockphoto.com/tinabelle Consider energy efficiency when designing or purchasing a log home. | Photo courtesy of ©iStockphoto.com/tinabelle What does this mean for me? Before designing or purchasing a log home, you should consider several factors related to energy efficiency. Log homes may be site-built or pre-cut in a factory for delivery to the site. Some log home manufacturers can also customize their designs. Before designing or purchasing a manufactured log home, you should consider several factors related to energy efficiency. The R-Value of Wood A material's thermal resistance or resistance to heat flow is measured by

180

Energy Efficiency in Log Homes | Department of Energy  

Broader source: Energy.gov (indexed) [DOE]

Energy Efficiency in Log Homes Energy Efficiency in Log Homes Energy Efficiency in Log Homes April 13, 2012 - 11:29am Addthis Consider energy efficiency when designing or purchasing a log home. | Photo courtesy of ©iStockphoto.com/tinabelle Consider energy efficiency when designing or purchasing a log home. | Photo courtesy of ©iStockphoto.com/tinabelle What does this mean for me? Before designing or purchasing a log home, you should consider several factors related to energy efficiency. Log homes may be site-built or pre-cut in a factory for delivery to the site. Some log home manufacturers can also customize their designs. Before designing or purchasing a manufactured log home, you should consider several factors related to energy efficiency. The R-Value of Wood A material's thermal resistance or resistance to heat flow is measured by

Note: This page contains sample records for the topic "logging residues rough" 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

Microsoft Word - FOIA Log FY 2001.doc  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

1 FOIA - Request Log 1 FOIA - Request Log 1 Closed/ Date No. Dated Date Rec'd HQ or Dir. Subject Yes/ 3/29/01 001 02/01/01 02/01/01 01-0021C Transfer AL Copies of all documents including studies and memoranda, which may identify or consider WIPP site in Carlsbad, NM as a potential site for storage or disposal of spent reactor fuel or high-level radioactive wastes 2. All documents including studies, memoranda, hypothesizing, considering, recommending, or suggesting the WIPP site in NM as an alternative site to the Yucca Mountain site in NV. 3. All documents or lists setting forth the alternative sites that may potential be considered by DOE if the Yucca Mountain site is for any reason not selected to be the DOE site receiving high level radioactive waste or spent reactor fuel. If alternative potential sites have

182

Microsoft Word - FOIA Log FY 2002.doc  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

FOIA - Request Log FOIA - Request Log 1 Closed/ Date No. Dated Date Rec'd HQ or Dir. Subject Yes/ 1/30/02 001 12/3/02 12/21/02 Richland Transfer Richland Operation Office search for records they located documents originated by the DOE Carlsbad Field Office that may be responsive to Mr. Hongs request. By transfer of this letter they forwarded Mr. Hong request, along with the documents located at Richland to the Carlsbad FOIA Office. CBFO will respond directly to Mr. Hong with a release determination Yes/ 2/13/02 002 1/30/02 1/30/02 Direct Description of request: answers to 1) What is the makeup of the additional 2 MT now bound for WIPP? What sites will come from, in what quantities, and in what form? 2) What type of NEPA documentation will DOE conduct on this additional 2 MT? (Note: Disposal of this material

183

Microsoft Word - FOIA Log FY 2003.doc  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

3 FOIA - Request Log 3 FOIA - Request Log 1 Closed/ Date No. Dated Date Rec'd HQ or Dir. Subject Yes/ 11/03/03 001 12/16/02 1/7/03 Transfer from HQ Documentation provided identifying all Waste Isolation Pilot Plant contractors and their sub- contractors, as well as the principals for those entities. Yes 2/20/04 002 12/16/02 1/7/03 Transfer from HQ Documentation provided concerning the following Waste Isolation Pilot Plant related items: 1) Notify as to whether any portion of Westinghouse TRU Solutions work has been outsourced or privatized, and identify the outsource contact affected employees, 2) Notify as to whether environmental work done by Westinghouse TRU Solutions has undergone any changes involving position within company structure, management personnel, addition or deletions to scope of

184

Surface roughness of anodized titanium coatings.  

SciTech Connect (OSTI)

Samples of grade five 6Al4V titanium alloy were coated with two commercial fluoropolymer anodizations (Tiodize and Canadize) and compared. Neither coating demonstrates significant outgassing. The coatings show very similar elemental analysis, except for the presence of lead in the Canadize coating, which may account for its lower surface friction in humid environments. Surface roughness has been compared by SEM, contact profilometry, optical profilometry, power spectral density and bidirectional scattering distribution function (BSDF). The Tiodize film is slightly smoother by all measurement methods, but the Canadize film shows slightly less scatter at all angles of incidence. Both films exhibited initial friction coefficients of 0.2 to 0.4, increasing to 0.4 to 0.8 after 1000 cycles of sliding due to wear of the coating and ball. The coatings are very similar and should behave identically in most applications.

Dugger, Michael Thomas; Chinn, Douglas Alan

2010-10-01T23:59:59.000Z

185

Acoustic Waveform Logging - Advances In Theory And Application  

E-Print Network [OSTI]

Full-waveform acoustic logging has made significant advances in both theory and application in recent years, and these advances have greatly increased the capability of log analysts to measure the physical properties of ...

Cheng, C. H.

186

Well Log Data At Blue Mountain Geothermal Area (Fairbank & Niggemann...  

Open Energy Info (EERE)

well Deep Blue No. 1. Notes Well log data was collected in Deep Blue No. 1 upon its completion. The logging was conducted by Welaco Well Analysis Corporation. Temperature,...

187

A minimal axiom group for rough set based on quasi-ordering  

Science Journals Connector (OSTI)

Rough set axiomatization is one aspect of rough set study to characterize rough set theory using dependable and minimal axiom groups. Thus, rough set theory can be studied by logic and axiom system methods. The c...

Jian-hua Dai; Wei-dong Chen; Yun-he Pan

2004-07-01T23:59:59.000Z

188

Upland Log Volumes and Conifer Establishment Patterns in Two Northern,  

E-Print Network [OSTI]

conifer recruit densities on these logs and on the surrounding forest floor. We report significantly greater conifer recruit densities on log substrates as compared to the forest floor. Log substrate, height class and substrate for each established individual. Conifer recruit densities on the forest floor

Standiford, Richard B.

189

Using search logs to recommend images to new users  

Science Journals Connector (OSTI)

We make use of search logs provided by the Belga News Agency to recommend images downloaded by previous users to new users. Each search session in the logs consists of a session ID number, the ID of the images which were downloaded at the conclusion ... Keywords: TF.IDF, cosine similarity coefficient, recommendation, relevance feedback, search engines, search logs, still images

Yan Xu; Michael Oakes

2009-09-01T23:59:59.000Z

190

Improving the Scalability of Reduct Determination in Rough Sets.  

E-Print Network [OSTI]

??Rough Set Data Analysis (RSDA) is a non-invasive data analysis approach that solely relies on the data to find patterns and decision rules. Despite its (more)

Mahmood, Shahid

2013-01-01T23:59:59.000Z

191

Algebraic approach to dependency of knowledge on rough set  

Science Journals Connector (OSTI)

The explosion of knowledge crops up embarrassing situations for the human beings to advance the research work in respect of comprehending uncertainty. A number of critical studies by the researchers had developed new theories and models in the past decades about roughness and fuzziness of the objects. Rough set and intuitionistic fuzzy set are some advancing theories which help the quest of dealing with vagueness and uncertainty. The present paper aims at drawing rough set and intuitionistic fuzzy sets together for establishing a new concept of rough intuitionistic fuzzy set in algebraic method where core and dependency of knowledge has been re-conceptualised for a boarder perspective.

Debadutta Mohanty

2012-01-01T23:59:59.000Z

192

Effects of Atomic Scale Roughness at Metal/insulator Interfaces...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Work Function. Effects of Atomic Scale Roughness at Metalinsulator Interfaces on Metal Work Function. Abstract: We evaluate the performance of different van der Waals (vdW)...

193

Materials - Recycling - Shredder Residue  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Recovering Materials from Shredder Residue Recovering Materials from Shredder Residue Obsolete automobiles, home appliances and other metal-containing scrap are shredded for the recovery of metals. More than 50% of the material shredded is automobiles. In the United States, shredders generate about 5 million tons of shredder residue every year. Similar amounts are produced in Europe and in the Pacific Rim. Because recycling shredder waste has not been profitable, most of it ends up in landfills; smaller amounts are incinerated. Argonne researchers have developed and tested a process to recover polymers and metals from shredder residue. A 2-ton/hr pilot plant, consisting of a mechanical separation facility and a six-stage wet density/froth flotation plant, was built at Argonne. In the mechanical part of the plant, the shredder waste was separated into five primary components: a polymer fraction (about 45% by weight), a residual metals concentrate (about 10% by weight), a polyurethane foam portion (about 5% by weight), an organic-rich fraction (about 25% by weight) and a metal oxides fraction (about 15% by weight). The polymer fraction was then separated further in the wet density/froth flotation system to recover individual plastic types or compatible families of polymers.

194

Rough surface mitigates electron and gas emission  

SciTech Connect (OSTI)

Heavy-ion beams impinging on surfaces near grazing incidence (to simulate the loss of halo ions) generate copious amounts of electrons and gas that can degrade the beam. We measured emission coefficients of {eta}{sub e} {le} 130 and {eta}{sub 0} {approx} 10{sup 4} respectively, with 1 MeV K{sup +} incident on stainless steel. Electron emission scales as {eta}{sub e} {proportional_to} 1/cos({theta}), where {theta} is the ion angle of incidence relative to normal. If we were to roughen a surface by blasting it with glass beads, then ions that were near grazing incidence (90{sup o}) on smooth surface would strike the rims of the micro-craters at angles closer to normal incidence. This should reduce the electron emission: the factor of 10 reduction, Fig. 1(a), implies an average angle of incidence of 62{sup o}. Gas desorption varies more slowly with {theta} (Fig. 1(b)) decreasing a factor of {approx}2, and along with the electron emission is independent of the angle of incidence on a rough surface. In a quadrupole magnet, electrons emitted by lost primary ions are trapped near the wall by the magnetic field, but grazing incidence ions can backscatter and strike the wall a second time at an azimuth where magnetic field lines intercept the beam. Then, electrons can exist throughout the beam (see the simulations of Cohen, HIF News 1-2/04). The SRIM (TRIM) Monte Carlo code predicts that 60-70% of 1 MeV K{sup +} ions backscatter when incident at 88-89{sup o} from normal on a smooth surface. The scattered ions are mostly within {approx}10{sup o} of the initial direction but a few scatter by up to 90{sup o}. Ion scattering decreases rapidly away from grazing incidence, Fig. 1(c ). At 62 deg. the predicted ion backscattering (from a rough surface) is 3%, down a factor of 20 from the peak, which should significantly reduce electrons in the beam from lost halo ions. These results are published in Phys. Rev. ST - Accelerators and Beams.

Molvik, A

2004-09-03T23:59:59.000Z

195

Well log evaluation of natural gas hydrates  

SciTech Connect (OSTI)

Gas hydrates are crystalline substances composed of water and gas, in which a solid-water-lattice accommodates gas molecules in a cage-like structure. Gas hydrates are globally widespread in permafrost regions and beneath the sea in sediment of outer continental margins. While methane, propane, and other gases can be included in the clathrate structure, methane hydrates appear to be the most common in nature. The amount of methane sequestered in gas hydrates is probably enormous, but estimates are speculative and range over three orders of magnitude from about 100,000 to 270,000,000 trillion cubic feet. The amount of gas in the hydrate reservoirs of the world greedy exceeds the volume of known conventional gas reserves. Gas hydrates also represent a significant drilling and production hazard. A fundamental question linking gas hydrate resource and hazard issues is: What is the volume of gas hydrates and included gas within a given gas hydrate occurrence? Most published gas hydrate resource estimates have, of necessity, been made by broad extrapolation of only general knowledge of local geologic conditions. Gas volumes that may be attributed to gas hydrates are dependent on a number of reservoir parameters, including the areal extent ofthe gas-hydrate occurrence, reservoir thickness, hydrate number, reservoir porosity, and the degree of gas-hydrate saturation. Two of the most difficult reservoir parameters to determine are porosity and degreeof gas hydrate saturation. Well logs often serve as a source of porosity and hydrocarbon saturation data; however, well-log calculations within gas-hydrate-bearing intervals are subject to error. The primary reason for this difficulty is the lack of quantitative laboratory and field studies. The primary purpose of this paper is to review the response of well logs to the presence of gas hydrates.

Collett, T.S.

1992-10-01T23:59:59.000Z

196

Well log evaluation of natural gas hydrates  

SciTech Connect (OSTI)

Gas hydrates are crystalline substances composed of water and gas, in which a solid-water-lattice accommodates gas molecules in a cage-like structure. Gas hydrates are globally widespread in permafrost regions and beneath the sea in sediment of outer continental margins. While methane, propane, and other gases can be included in the clathrate structure, methane hydrates appear to be the most common in nature. The amount of methane sequestered in gas hydrates is probably enormous, but estimates are speculative and range over three orders of magnitude from about 100,000 to 270,000,000 trillion cubic feet. The amount of gas in the hydrate reservoirs of the world greedy exceeds the volume of known conventional gas reserves. Gas hydrates also represent a significant drilling and production hazard. A fundamental question linking gas hydrate resource and hazard issues is: What is the volume of gas hydrates and included gas within a given gas hydrate occurrence Most published gas hydrate resource estimates have, of necessity, been made by broad extrapolation of only general knowledge of local geologic conditions. Gas volumes that may be attributed to gas hydrates are dependent on a number of reservoir parameters, including the areal extent ofthe gas-hydrate occurrence, reservoir thickness, hydrate number, reservoir porosity, and the degree of gas-hydrate saturation. Two of the most difficult reservoir parameters to determine are porosity and degreeof gas hydrate saturation. Well logs often serve as a source of porosity and hydrocarbon saturation data; however, well-log calculations within gas-hydrate-bearing intervals are subject to error. The primary reason for this difficulty is the lack of quantitative laboratory and field studies. The primary purpose of this paper is to review the response of well logs to the presence of gas hydrates.

Collett, T.S.

1992-10-01T23:59:59.000Z

197

Salvage logging and forest renewal affect early aspen stand structure after catastrophic wind  

Science Journals Connector (OSTI)

Abstract Among the major natural disturbances that occur in the North American boreal forest, the effects of catastrophic wind are the least studied due to its infrequent occurrence, often in inaccessible areas, and lack of rapid research response. Most documented studies have been conducted in conifer or mixedwood forests and generally have not considered follow up forest renewal operations such as salvage logging followed by planting and tending. In 2006 after a severe wind disturbance in trembling aspen (Populus tremuloides Michx.) forest in northeastern Ontario, we established an operational study to investigate the effects of post-wind disturbance treatments on stand structure (residual live trees, snags, and downed wood) and early forest regeneration. The treatments were blowdown (B), blowdown followed by salvage logging (BS), blowdown followed by salvage logging, windrowing and planting (BSP), BSP followed by aerial spray (tending) with glyphosate 1year after planting (BSPT), and clearcut (C). The operational salvage logging removed about 55% of the 60 m3 ha?1 of the snags and 15% of the 390 m3 ha?1 of the coarse downed wood. The relatively low rate of salvage removal increased the abundance (density and stocking) of aspen regeneration and reduced moss cover, but did not affect average height of aspen suckers or the abundance (cover) of other vegetation types. The mechanical operations damaged much of the advanced growth of conifers (mostly black spruce and balsam fir (Abies balsamea (L.) Mill.) released by the wind. However, these stems were not sufficiently abundant to contribute significantly to the regenerating forest. Windrowing before planting slightly reduced the amount of area covered by downed wood, while the tending reduced broadleaf regeneration and the abundance of shrubs and increased conifer regeneration and the abundance of grasses. If the management objective is to renew aspen forests lost to catastrophic wind, salvage logging is a viable option to clear the site for regeneration. Forest renewal treatments, including planting and tending, are required when the management objective is conifer regeneration.

Rongzhou Man; Han Y.H. Chen; Andrew Schafer

2013-01-01T23:59:59.000Z

198

Cross-Dipole Acoustic Log | Open Energy Information  

Open Energy Info (EERE)

Cross-Dipole Acoustic Log Cross-Dipole Acoustic Log Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Technique: Cross-Dipole Acoustic Log Details Activities (1) Areas (1) Regions (0) NEPA(0) Exploration Technique Information Exploration Group: Downhole Techniques Exploration Sub Group: Well Log Techniques Parent Exploration Technique: Acoustic Logs Information Provided by Technique Lithology: Stratigraphic/Structural: Rock stress and fracture analysis Hydrological: Use for fracture identification in open and cased holes. Also used for evaluating hydro fracturing/well stimulation effectiveness. Thermal: Dictionary.png Cross-Dipole Acoustic Log: An acoustic logging technique where the acoustic transmitter and receivers are lowered down hole and waveforms that travel through the well mud,

199

Formation Micro-Imager Logs (FMI) | Open Energy Information  

Open Energy Info (EERE)

Formation Micro-Imager Logs (FMI) Formation Micro-Imager Logs (FMI) Jump to: navigation, search OpenEI Reference LibraryAdd to library Web Site: Formation Micro-Imager Logs (FMI) Author Shakeel Ahmed Published Publisher Not Provided, 2013 DOI Not Provided Check for DOI availability: http://crossref.org Online Internet link for Formation Micro-Imager Logs (FMI) Citation Shakeel Ahmed. Formation Micro-Imager Logs (FMI) [Internet]. 2013. [cited 2013/10/09]. Available from: http://petphy.blogspot.com/2011/12/formation-micro-imager-logs-fmi.html Retrieved from "http://en.openei.org/w/index.php?title=Formation_Micro-Imager_Logs_(FMI)&oldid=687994" Categories: References Geothermal References Uncited References What links here Related changes Special pages Printable version Permanent link Browse properties

200

Chemical Logging At Raft River Geothermal Area (1979) | Open Energy  

Open Energy Info (EERE)

Logging At Raft River Geothermal Area (1979) Logging At Raft River Geothermal Area (1979) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Chemical Logging At Raft River Geothermal Area (1979) Exploration Activity Details Location Raft River Geothermal Area Exploration Technique Chemical Logging Activity Date 1979 Usefulness useful DOE-funding Unknown Exploration Basis To use new methods to assist geothermal well drilling. Notes Chemical logging resulted in the development of a technique to assist in geothermal well drilling and resource development. Calcium-alkalinity ratios plotted versus drill depth assisted in defining warm and hot water aquifers. Correlations between the calcium-alkalinity log and lithologic logs were used to determine aquifer types and detection of hot water zones

Note: This page contains sample records for the topic "logging residues rough" 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

Gamma Log At Coso Geothermal Area (1977) | Open Energy Information  

Open Energy Info (EERE)

Gamma Log At Coso Geothermal Area (1977) Gamma Log At Coso Geothermal Area (1977) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Gamma Log At Coso Geothermal Area (1977) Exploration Activity Details Location Coso Geothermal Area Exploration Technique Gamma Log Activity Date 1977 Usefulness not indicated DOE-funding Unknown Notes extensive geophysical logging surveys were conducted: natural gamma and neutron porosity logs indicate gross rock type References Galbraith, R. M. (1 May 1978) Geological and geophysical analysis of Coso Geothermal Exploration Hole No. 1 (CGEH-1), Coso Hot Springs KGRA, California Goranson, C.; Schroeder, R. (1 June 1978) Static downhole characteristics of well CGEH-1 at Coso Hot Springs, China Lake, California Retrieved from "http://en.openei.org/w/index.php?title=Gamma_Log_At_Coso_Geothermal_Area_(1977)&oldid=510780"

202

Microsoft Word - FOIA Log FY 2007.doc  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

7 FOIA - Request Log 7 FOIA - Request Log 1 Closed/ Date No. Dated Date Rec'd HQ or Dir. Subject Finalized 02/08/07 001 10/05/06 01/08/07 Transfer from DOE- EM-CBC Copies of contract modifications, performance evaluations, task orders and task order proposals related to contract AT30-05EW03000 with Navarro Research and Engineering, Inc. Finalized 01/31/07 002 01/11/07 01/11/07 Direct For a copy of contract DE-AC04-95AL89446 for the period of September 1995 through the end of the contract. Also, if not included in the above, a copy of the special provisions for the contract specifying the role of the CTAC Program Manager as the single point of contact with DOE. Finalized 02/06/07 003 01/31/07 02/05/07 Transfer from DOE/HQ Copies of the U.S. Department of Energy's ten oldest open or pending Freedom of

203

Microsoft Word - FOIA Log FY 2005.doc  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

5 FOIA - Request Log 5 FOIA - Request Log 1 Closed/ Date No. Dated Date Rec'd HQ or Dir. Subject Yes 02/23/05 001 02/16/05 02/16/05 Direct Copies of the 2004 Modifications to the Westinghouse TRU Solutions contract (No. DE-AC- 04-01AL66444) for the management and operation of the Waste Isolation Pilot Plant. Yes 04/12/05 002 04/11/05 04/11/05 Direct Copies of the scope of work statement for the EE&G Oversight contract for the Waste Isolation Pilot Plant, dated 1999 or 2000 Yes 04/29/05 003 04/20/05 04/20/05 Direct (1) A copy of the Winning Proposal for RFP No. DE-AC04-89AL58309 (A036), entitled Environmental Evaluation Group (EEG) Oversight Contract for the Waste Isolation Pilot Plant. Subject RFO was issued in FY 2001, and we believe the initials contract was awarded to a company named EG&G.

204

Dual excitation acoustic paramagnetic logging tool  

DOE Patents [OSTI]

New methods and apparatus are disclosed which allow measurement of the presence of oil and water in geological formations using a new physical effect called the Acoustic Paramagnetic Logging Effect (APLE). The presence of petroleum in formation causes a slight increase in the earth's magnetic field in the vicinity of the reservoir. This is the phenomena of paramagnetism. Application of an acoustic source to a geological formation at the Larmor frequency of the nucleons present causes the paramagnetism of the formation to disappear. This results in a decrease in the earth's magnetic field in the vicinity of the oil bearing formation. Repetitively frequency sweeping the acoustic source through the Larmor frequency of the nucleons present (approx. 2 kHz) causes an amplitude modulation of the earth's magnetic field which is a consequence of the APLE. The amplitude modulation of the earth's magnetic field is measured with an induction coil gradiometer and provides a direct measure of the amount of oil and water in the excitation zone of the formation. The phase of the signal is used to infer the longitudinal relaxation times of the fluids present, which results in the ability in general to separate oil and water and to measure the viscosity of the oil present. Such measurements may be performed in open boreholes and in cased well bores. The Dual Excitation Acoustic Paramagnetic Logging Tool employing two acoustic sources is also described. 6 figs.

Vail, W.B. III.

1989-02-14T23:59:59.000Z

205

Dual excitation acoustic paramagnetic logging tool  

DOE Patents [OSTI]

New methods and apparatus are disclosed which allow measurement of the presence of oil and water in gelogical formations using a new physical effect called the Acoustic Paramagnetic Logging Effect (APLE). The presence of petroleum in formation causes a slight increase in the earth's magnetic field in the vicinity of the reservoir. This is the phenomena of paramagnetism. Application of an acoustic source to a geological formation at the Larmor frequency of the nucleous present causes the paramagnetism of the formation to disappear. This results in a decrease in the earth's magnetic field in the vicinity of the oil bearing formation. Repetitively frequency sweeping the acoustic source through the Larmor frequency of the nucleons present (approx. 2 kHz) causes an amplitude modulation of the earth's magnetic field which is a consequence of the APLE. The amplitude modulation of the earth's magnetic field is measured with an induction coil gradiometer and provides a direct measure of the amount of oil and water in the excitation zone of the formation. The phase of the signal is used to infer the longitudinal relaxation times of the fluids present, which results in the ability in general to separate oil and water and to measure the viscosity of the oil present. Such measurements may be preformed in open boreholes and in cased well bores. The Dual Excitation Acoustic Paramagnetic Logging Tool employing two acoustic sources is also described.

Vail, III, William B. (Bothell, WA)

1989-01-01T23:59:59.000Z

206

Dewarless Logging Tool - 1st Generation  

SciTech Connect (OSTI)

This report focuses on Sandia National Laboratories' effort to create high-temperature logging tools for geothermal applications without the need for heat shielding. One of the mechanisms for failure in conventional downhole tools is temperature. They can only survive a limited number of hours in high temperature environments. For the first time since the evolution of integrated circuits, components are now commercially available that are qualified to 225 C with many continuing to work up to 300 C. These components are primarily based on Silicon-On-Insulator (SOI) technology. Sandia has developed and tested a simple data logger based on this technology that operates up to 300 C with a few limiting components operating to only 250 C without thermal protection. An actual well log to 240 C without shielding is discussed. The first prototype high-temperature tool measures pressure and temperature using a wire-line for power and communication. The tool is based around the HT83C51 microcontroller. A brief discussion of the background and status of the High Temperature Instrumentation program at Sandia, objectives, data logger development, and future project plans are given.

HENFLING,JOSEPH A.; NORMANN,RANDY A.

2000-08-01T23:59:59.000Z

207

AVO and anisotropy from logs and walkaways  

SciTech Connect (OSTI)

AVO (amplitude versus offset) is the seismic technique used for mapping lithology, and modeling is an important step for successful AVO interpretations. Shear velocity measurements are essential, since AVO attempts to exploit the elastic (as opposed to acoustic) nature of seismic wave propagation. A property of seismic wave propagation not often considered is anisotropy. This is probably because the magnitude of the anisotropy has been difficult to measure, and its effect on AVO is not widely known. New technology is helping to improve AVO modeling. Dipole source shear logging tools can now measure very slow shear velocities, increasing the range of applicability of AVO, and new borehole seismic techniques can measure anisotropy. When integrated, these new measurements provide more detailed information about the elastic moduli that govern wave propagation, and bring the possibility for greater reliability in AVO interpretation. Two examples of ray-trace AVO synthetics are shown to illustrate typical AVO responses and the importance of shear velocity information. An overview of anisotropy is given and a new technique to estimate anisotropy from walkaway surveys (multi-offset VSPs) is described. The log and walkaway measurements are then integrated to study the impact of anisotropy on AVO. First, the effect of anisotropy on Ostrander's shale-sand model is investigated, and second, isotropic and anisotropic ray-trace synthetics are compared. The effect of anisotropy on AVO is found to be significant and may be lead to misinterpretations of AVO anomalies.

Leaney, S.W.; Borland, W.E. (Schlumberger Geophysics Nusantara, Jakarta (Indonesia))

1994-07-01T23:59:59.000Z

208

Counterintuitive MCNPX Results for Scintillator Surface Roughness Effect  

SciTech Connect (OSTI)

We have reported on our recent MCNPX simulation results of energy deposition for a group of 8 scintillation detectors, coupled with various rough surface patterns. The MCNPX results generally favored the detectors with various rough surface patterns. The observed MCNPX results are not fully explained by this work.

None

2012-08-12T23:59:59.000Z

209

Integrating rough set and genetic algorithm for negative rule extraction  

Science Journals Connector (OSTI)

Rule extraction is an important issue in data mining field. In this paper, we study the extraction problem for the complete negative rules of the form R ? D. By integrating rough set theory and genetic algorithm, we propose ... Keywords: genetic algorithm, negative rule, rough sets, rule extraction

Junyu Liu; Yubao Liu; Yan Long

2009-09-01T23:59:59.000Z

210

Discovering Concurrent Process Models in Data: A Rough Set Approach  

Science Journals Connector (OSTI)

The aim of the lecture is to provide a survey of state of the art related to a research direction concerning relationships between rough set theory and concurrency in the context of process mining in data. The main goal of this review is the general ... Keywords: Knowledge discovery, Petri nets, concurrent systems, data mining, process mining, rough sets

Zbigniew Suraj

2009-12-01T23:59:59.000Z

211

PETROPHYSICS 217June 2011 Assessment of Residual Hydrocarbon Saturation with the Combined  

E-Print Network [OSTI]

, and neutron logs. Initial estimates of residual hydrocarbon saturation and parametric relative permeability refine initial estimates of water saturation, porosity, and permeability until securing a good match and water saturation in capillary equilibrium. Application examples are described for the cases of tight

Torres-Verdín, Carlos

212

Measurement of normal contact stiffness of fractal rough surfaces  

E-Print Network [OSTI]

We investigate the effects of roughness and fractality on the normal contact stiffness of rough surfaces. Samples of isotropically roughened aluminium surfaces are considered. The roughness and fractal dimension were altered through blasting using different sized particles. Subsequently, surface mechanical attrition treatment (SMAT) was applied to the surfaces in order to modify the surface at the microscale. The surface topology was characterised by interferometry based profilometry. The normal contact stiffness was measured through nanoindentation with a flat tip utilising the partial unloading method. We focus on establishing the relationships between surface stiffness and roughness, combined with the effects of fractal dimension. The experimental results, for a wide range of surfaces, showed that the measured contact stiffness depended very closely on surfaces' root mean squared (RMS) slope and their fractal dimension, with correlation coefficients of around 90\\%, whilst a relatively weak correlation coefficient of 57\\% was found between the contact stiffness and RMS roughness.

Chongpu Zhai; Sbastien Bevand; Yixiang Gan; Dorian Hanaor; Gwnalle Proust; Bruno Guelorget; Delphine Retraint

2014-08-26T23:59:59.000Z

213

Green Energy Resources Inc formerly New York International Log Lumber  

Open Energy Info (EERE)

New York International Log Lumber New York International Log Lumber Company Jump to: navigation, search Name Green Energy Resources Inc (formerly New York International Log & Lumber Company) Place San Antonio, Texas Product GRGR aims to export wood fiber fuel, that is environmentally certified, to overseas power generation utilities. References Green Energy Resources Inc (formerly New York International Log & Lumber Company)[1] LinkedIn Connections CrunchBase Profile No CrunchBase profile. Create one now! This article is a stub. You can help OpenEI by expanding it. Green Energy Resources Inc (formerly New York International Log & Lumber Company) is a company located in San Antonio, Texas . References ↑ "Green Energy Resources Inc (formerly New York International Log & Lumber Company)"

214

Image Logs At Coso Geothermal Area (2011) | Open Energy Information  

Open Energy Info (EERE)

Image Logs At Coso Geothermal Area (2011) Image Logs At Coso Geothermal Area (2011) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Image Logs At Coso Geothermal Area (2011) Exploration Activity Details Location Coso Geothermal Area Exploration Technique Image Logs Activity Date 2011 Usefulness useful DOE-funding Unknown Exploration Basis Determine crustul stress heterogeneity Notes Borehole induced structures in image logs of wells from the Coso Geothermal Field (CGF) record variation in the azimuth of principal stress. Image logs of these structures from five wells were analyzed to quantify the stress heterogeneity for three geologically distinct locations: two wells within the CGF (one in an actively produced volume), two on the margin of the CGF and outside the production area, and a control well several tens of km

215

Micro-Conductivity Imager Logging Tool | Open Energy Information  

Open Energy Info (EERE)

Micro-Conductivity Imager Logging Tool Micro-Conductivity Imager Logging Tool Jump to: navigation, search OpenEI Reference LibraryAdd to library Web Site: Micro-Conductivity Imager Logging Tool Author Hemisphere Technologies Published Publisher Not Provided, 2011 DOI Not Provided Check for DOI availability: http://crossref.org Online Internet link for Micro-Conductivity Imager Logging Tool Citation Hemisphere Technologies. Micro-Conductivity Imager Logging Tool [Internet]. 2011. [cited 2013/10/09]. Available from: http://www.hemisphereoil.com/mcit.html Retrieved from "http://en.openei.org/w/index.php?title=Micro-Conductivity_Imager_Logging_Tool&oldid=687995" Categories: References Geothermal References Uncited References What links here Related changes Special pages Printable version Permanent link

216

Chemical logging- a geothermal technique | Open Energy Information  

Open Energy Info (EERE)

logging- a geothermal technique logging- a geothermal technique Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Conference Proceedings: Chemical logging- a geothermal technique Details Activities (1) Areas (1) Regions (0) Abstract: Chemical logging studies conducted at the Department of Energy's Raft River Geothermal Test Site in south central Idaho resulted in the development of a technique to assist in geothermal well drilling and resource development. Calcium-alkalinity ratios plotted versus drill depth assisted in defining warm and hot water aquifers. Correlations between the calcium-alkalinity log and lithologic logs were used to determine aquifer types and detection of hot water zones 15 to 120 m before drill penetration. INEL-1 at the Idaho National Engineering Laboratory site in

217

Acoustic Logs At Coso Geothermal Area (2005) | Open Energy Information  

Open Energy Info (EERE)

Coso Geothermal Area (2005) Coso Geothermal Area (2005) Exploration Activity Details Location Coso Geothermal Area Exploration Technique Acoustic Logs Activity Date 2005 Usefulness not indicated DOE-funding Unknown Exploration Basis Well bore fracture analysis Notes Electrical and acoustic image logs have been collected from well 58A-10 in crystalline rock on the eastern margin. Electrical image logs appear to be sensitive to variations in mineralogy, porosity, and fluid content that highlight both natural fractures and rock fabrics. These fabric elements account for about 50% of the total population of planar structures seen in the electrical image log, but locally approach 100%. Acoustic image logs reveal a similar natural fracture population, but generally image slightly fewer fractures, and do not reveal rock fabric. Both logs also record

218

Western tight gas sands advanced logging workshop proceedings  

SciTech Connect (OSTI)

An advanced logging research program is one major aspect of the Western Tight Sands Program. Purpose of this workshop is to help BETC define critical logging needs for tight gas sands and to allow free interchange of ideas on all aspects of the current logging research program. Sixteen papers and abstracts are included together with discussions. Separate abstracts have been prepared for the 12 papers. (DLC)

Jennings, J B; Carroll, Jr, H B [eds.

1982-04-01T23:59:59.000Z

219

Induction log analysis of thinly laminated sand/shale formation  

SciTech Connect (OSTI)

The author examines induction log responses to a thinly laminated sand/shale sequence in a deviated borehole for arbitrary deviation (or dip) angle and sand/shale composition. He found that the induction log responses in a thinly laminated sand/shale sequence are the same as they would be if the tool is placed in a homogeneous but anisotropic formation with the horizontal and vertical conductivities given respectively by the parallel and the series conductivities of the sequence. Conversely, a thinly laminated sand/shale sequence can be identified as an anisotropic formation by induction logs. He discusses three methods to identify an anisotropic formation using induction-type logs alone.

Hagiwara, T. [Shell Development Co., Houston, TX (United States)

1995-06-01T23:59:59.000Z

220

Pressure Temperature Log At Fish Lake Valley Area (DOE GTP) ...  

Open Energy Info (EERE)

Fish Lake Valley Area (DOE GTP) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Pressure Temperature Log At Fish Lake Valley Area (DOE GTP)...

Note: This page contains sample records for the topic "logging residues rough" 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

NMOCD - Form G-105 - Geothermal Resources Well Log | Open Energy...  

Open Energy Info (EERE)

Well Log Author State of New Mexico Energy and Minerals Department Published New Mexico Oil Conservation Division, 1978 DOI Not Provided Check for DOI availability: http:...

222

Evaluation of Emerging Technology for Geothermal Drilling and Logging Applications  

Broader source: Energy.gov [DOE]

Evaluation of Emerging Technology for Geothermal Drilling and Logging Applications presentation at the April 2013 peer review meeting held in Denver, Colorado.

223

Geophysical logs from water wells in the Yakima area, Washington  

SciTech Connect (OSTI)

The logs include: natural gamma, gamma gamma, neutron neutron, neutron gamma, caliper, fluid temperature, fluid resistivity, wall resistivity, spontaneous potential, and flow meter.

Biggane, J.H.

1983-01-01T23:59:59.000Z

224

COMPARISON OF ACOUSTIC AND ELECTRICAL IMAGE LOGS FROM THE COSO...  

Open Energy Info (EERE)

to permeability in the reservoir. Acoustic image logs reveal a similar natural fracture population, but generally image slightly fewer fractures, and do not reveal rock...

225

Well Log Data At North Brawley Geothermal Area (Matlick & Jayne...  

Open Energy Info (EERE)

to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Well Log Data At North Brawley Geothermal Area (Matlick & Jayne, 2008) Exploration Activity Details...

226

Pressure Temperature Log At Fort Bliss Area (DOE GTP) | Open...  

Open Energy Info (EERE)

Fort Bliss Area (DOE GTP) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Pressure Temperature Log At Fort Bliss Area (DOE GTP) Exploration...

227

Transport Theory for Shallow Water Propagation with Rough Boundaries  

SciTech Connect (OSTI)

At frequencies of about 1 kHz and higher, forward scattering from a rough sea surface (and/or a rough bottom) can strongly affect shallow water propagation and reverberation. The need exists for a fast, yet accurate method for modeling such propagation where multiple forward scattering occurs. A transport theory method based on mode coupling is described that yields the first and second moments of the field. This approach shows promise for accurately treating multiple forward scattering in one-way propagation. The method is presently formulated in two space dimensions, and Monte-Carlo rough surface PE simulations are used for assessing the accuracy of transport theory results.

Thorsos, Eric I.; Henyey, Frank S.; Elam, W. T.; Hefner, Brian T.; Reynolds, Stephen A.; Yang Jie [Applied Physics Laboratory, University of Washington, 1013 NE 40th Street, Seattle, WA 98105 (United States)

2010-09-06T23:59:59.000Z

228

2012 IEEE International Conference on Granular Computing Generalized Infinitive Rough Sets Based on  

E-Print Network [OSTI]

2012 IEEE International Conference on Granular Computing Generalized Infinitive Rough Sets Based propose equivalent form of lower and upper approximations in binary relational rough set model in ways variable precision rough set model to variable precision binary relational rough set model. Index Terms-rough

Lin, Tsau Young

229

Dark spot formation relative to ITO surface roughness for polyfluorene  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Dark spot formation relative to ITO surface roughness for polyfluorene Dark spot formation relative to ITO surface roughness for polyfluorene devices Title Dark spot formation relative to ITO surface roughness for polyfluorene devices Publication Type Journal Article Year of Publication 2004 Authors Liu, Gao, John B. Kerr, and Stephen G. Johnson Journal Synthetic Metals Volume 144 Pagination 1-6 Keywords dark spot, failure mechanism, interface, ito surface, oled Abstract The failure behaviors of ITO/PEDOT;PSS/polyfluorene/Al devices are different depending on the surface roughness of the sputtered ITO anode film. The spikes on ITO surface are responsible for the initial local shorts of the device, which develop into dark spots very quickly. Indium adsorption is observed on the polymer and Al cathode interface. A chemical etching procedure is used to smoothen the ITO surface without changing the ITO thickness and the sheet resistance. Devices made out of smooth ITO show minimum changes at polymer-cathode interface during operation.

230

Hypersonic Measurements of Roughness-Induced Transient Growth  

E-Print Network [OSTI]

The effects of surface roughness on boundary-layer disturbance growth and laminar-to-turbulent transition are not well understood, especially in hypersonic boundary layers. The transient growth mechanism that produces algebraic growth of stream wise...

Sharp, Nicole Susanne

2014-04-17T23:59:59.000Z

231

Influence of surface roughness and waviness upon thermal contact resistance  

E-Print Network [OSTI]

This work deals with the phenomenon of thermal resistance between contacting solids. Attention is directed towards contiguous solids possessing both surface roughness and waviness. When two such surfaces are brought together ...

Yovanovich, M. Michael

1967-01-01T23:59:59.000Z

232

Ice friction: The effects of surface roughness, structure, and hydrophobicity  

SciTech Connect (OSTI)

The effect of surface roughness, structure, and hydrophobicity on ice friction is studied systematically over a wide range of temperature and sliding speeds using several metallic interfaces. Hydrophobicity in combination with controlled roughness at the nanoscale is achieved by femtosecond laser irradiation to mimic the lotus effect on the slider's surface. The controlled roughness significantly increases the coefficient of friction at low sliding speeds and temperatures well below the ice melting point. However, at temperatures close to the melting point and relatively higher speeds, roughness and hydrophobicity significantly decrease ice friction. This decrease in friction is mainly due to the suppression of capillary bridges in spite of the presence of surface asperities that facilitate their formation. Finally, grooves oriented in the sliding direction also significantly decrease friction in the low velocity range compared to scratches and grooves randomly distributed over a surface.

Kietzig, Anne-Marie; Hatzikiriakos, Savvas G.; Englezos, Peter [Department of Chemical and Biological Engineering, University of British Columbia, Vancouver, British Columbia V6T 1Z3 (Canada)

2009-07-15T23:59:59.000Z

233

Hardware Accelerator Design Based on Rough Set Philosophy  

Science Journals Connector (OSTI)

This paper presents a design of hardware accelerator for algorithms of rough set theory. A hardware implementation of incremental reduct ... becomes more visible when dealing with larger data sets.

K. S. Tiwari; A. G. Kothari

2014-01-01T23:59:59.000Z

234

Discovering Concurrent Process Models in Data: A Rough Set Approach  

Science Journals Connector (OSTI)

The aim of the lecture is to provide a survey of state of the art related to a research direction concerning relationships between rough set theory and concurrency in the context of process mining in data. The...

Zbigniew Suraj

2009-01-01T23:59:59.000Z

235

PROPAGATION OF SINGULARITIES FOR ROUGH METRICS HART F. SMITH  

E-Print Network [OSTI]

PROPAGATION OF SINGULARITIES FOR ROUGH METRICS HART F. SMITH Abstract. We use a wave packet the Simons Foundation (# 266371 to Hart Smith). 1 #12;2 HART F. SMITH H¨ormander's theorem [9] on propagation

Smith, Hart F.

236

Effect of Surface Roughness on Wind Turbine Performance  

E-Print Network [OSTI]

Wind farm operators observe production deficits as machines age. Quantifying deterioration on individual components is difficult, but one potential explanation is accumulation of blade surface roughness. Historically, wind turbine airfoils were...

Ehrmann, Robert Schaefer

2014-06-25T23:59:59.000Z

237

Effect of surface roughness and adsorbates on superlubricity  

E-Print Network [OSTI]

We study the sliding of elastic solids in adhesive contact with flat and rough interfaces. We consider the dependence of the sliding friction on the elastic modulus of the solids. For elastically hard solids with planar surfaces with incommensurate surface structures we observe extremely low friction (superlubricity), which very abruptly increases as the elastic modulus decreases. We show that even a relatively small surface roughness or a low concentration of adsorbates may completely kill the superlubricity state.

V. N. Samoilov; C. Yang; U. Tartaglino; B. N. J. Persson

2006-07-12T23:59:59.000Z

238

Drag reduction in coal log pipelines  

SciTech Connect (OSTI)

It is well-known that solutions of dissolved long-chain macromolecules produce lower friction or drag losses than with the solvent alone. In coal log pipeline (CLP), water is the conveying medium. Synthetic polymers such as poly(ethylene oxide) have been dissolved in water and tested for their extent of drag reduction as a function of concentration and other variables. Lab-scale experimental results for CLP indicate substantial drag reduction at low concentration levels of polymer. But, the macromolecules exhibit degradation under mechanical shear stresses. The large molecules break into smaller units. This degradation effect causes a loss of drag reduction. However, high levels of drag reduction can be maintained as follows: (1) by injecting polymer into the CLP at several locations along the pipeline, (2) by injecting polymer of different particle sizes, (3) by using more robust types of polymers, or (4) by using polymer-fiber mixtures. This report presents the value of drag-reducing agents in terms of pumping power net cost savings. In addition, this report outlines the environmental impact of drag reduction polymers, and end-of-pipeline water treatment processes. For an operating CLP, hundreds of miles in length, the use of poly(ethylene oxide) as a drag reducing agent provides significant pumping power cost savings at a minimal materials cost.

Marrero, T.R.; Liu, H. [Univ. of Missouri, Columbia, MO (United States). Capsule Pipeline Research Center

1996-12-31T23:59:59.000Z

239

Film Badge Application Radioactive Material Package Receipt Log  

E-Print Network [OSTI]

;RADIOACTIVE MATERIAL PACKAGE RECEIPT LOG DATE: DELIVERED BY: AUTHORIZED BY: Contamination Check DPM/100 cm2APPENDIX A Film Badge Application Radioactive Material Package Receipt Log Radioactive Material Package Receipt Form (Off-Campus Locations) Radiation / Contamination Survey Form #12;PERSONNEL MONITORING

Slatton, Clint

240

Synthetic logs generator for fraud detection in mobile transfer services  

E-Print Network [OSTI]

Synthetic logs generator for fraud detection in mobile transfer services Chrystel Gaber, Baptiste to commit crimes and avoid detection, research in the field of fraud is always evolving. However, trans synthetic logs with real ones. I. INTRODUCTION Frauds in the field of electronic payment evolve contin

Paris-Sud XI, Université de

Note: This page contains sample records for the topic "logging residues rough" 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

Image Logs At Coso Geothermal Area (2004) | Open Energy Information  

Open Energy Info (EERE)

Logs At Coso Geothermal Area (2004) Logs At Coso Geothermal Area (2004) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Image Logs At Coso Geothermal Area (2004) Exploration Activity Details Location Coso Geothermal Area Exploration Technique Image Logs Activity Date 2004 Usefulness not indicated DOE-funding Unknown Exploration Basis EGS potential of Coso Geothermal Region Notes During the second year of this project, wellbore logs and stress data were acquired in a new production well drilled in the Coso Geothermal Field, 38C-9. The image analysis results include the discrimination of natural from drilling induced fractures in wellbore image data, natural fracture characterization, and wellbore failure analysis References Sheridan, J.; Hickman, S.H. (1 January 2004) IN SITU STRESS,

242

Selecting The Optimal Logging Suite For Geothermal Reservoir Evaluation-  

Open Energy Info (EERE)

Selecting The Optimal Logging Suite For Geothermal Reservoir Evaluation- Selecting The Optimal Logging Suite For Geothermal Reservoir Evaluation- Results From The Alum 25-29 Well, Nevada Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Conference Paper: Selecting The Optimal Logging Suite For Geothermal Reservoir Evaluation- Results From The Alum 25-29 Well, Nevada Details Activities (6) Areas (1) Regions (0) Abstract: This paper presents the results of analysis of a state of the art set of wireline petrophysical and wellbore image logs recorded in the Alum 25-29 well, southwestern Nevada. The Alum well penetrated nearly 2000 ft (610 m) of volcano-clastic rocks and more than 1000 ft of basement, separated from the sediments by a shallowly dipping detachment fault. The logs were acquired both to characterize the site and also to select the

243

Log Homes in REScheck | Building Energy Codes Program  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Log Homes in REScheck Log Homes in REScheck This training includes an introduction to how log homes are handled in the REScheck(tm) software and demonstrates how to show compliance for log homes using REScheck. Estimated Length: 56 minutes Presenters: Rob Picket, Log Homes Council Heather Dillon and Pam Cole, Pacific Northwest National Laboratory Original Webcast Date: Thursday, February 16, 2006 - 13:00 CEUs Offered: 1.0 AIA/CES LU (HSW); .10 CEUs towards ICC renewal certification. Course Type: Video Downloads: Presentation Slides Video Watch on YouTube Visit the BECP Online Training Center for instructions on how to obtain a certificate of completion. Building Type: Residential Focus: Compliance Code Version: International Energy Conservation Code (IECC) Software: REScheck Target Audience:

244

Dominance-Based Rough Set Approach as a Proper Way of Handling Graduality in Rough Set Theory  

Science Journals Connector (OSTI)

Referring to some ideas of Leibniz, Frege, Boole and ?ukasie-wicz, we represent fundamental concepts of rough set theory in terms of a generalization that ... permits to deal with the graduality of fuzzy sets. Ou...

Salvatore Greco; Benedetto Matarazzo; Roman S?owi?ski

2007-01-01T23:59:59.000Z

245

On Asymptotic Properties of Rough Set Theoretic Approximations. Fractal Dimension, Exact Sets, and Rough Inclusion in Potentially Infinite Information Systems  

Science Journals Connector (OSTI)

We look at asymptotic properties of rough set approximations exploiting them to three-fold purpose ... , to define the notion of an exact set in infinite information system to the result that so defined exact sets

Lech Polkowski

2002-01-01T23:59:59.000Z

246

Game-theoretic rough sets for recommender systems  

Science Journals Connector (OSTI)

Abstract Recommender systems guide their users in decisions related to personal tastes and choices. The rough set theory can be considered as a useful tool for predicting recommendations in recommender systems. We examine two properties of recommendations with rough sets. The first property refers to accuracy or appropriateness of recommendations and the second property highlights the generality or coverage of recommendations. Making highly accurate recommendations for majority of the users is a major hindrance in achieving high quality performance for recommender systems. In the probabilistic rough set models, these two properties are controlled by thresholds ( ? , ? ) . One of the research issues is to determine effective values of these thresholds based on the two considered properties. We apply the game-theoretic rough set (GTRS) model to obtain suitable values of these thresholds by implementing a game for determining a trade-off and balanced solution between accuracy and generality. Experimental results on movielen dataset suggest that the GTRS improves the two properties of recommendations leading to better overall performance compared to the Pawlak rough set model.

Nouman Azam; JingTao Yao

2014-01-01T23:59:59.000Z

247

Geothermal well log interpretation state of the art. Final report  

SciTech Connect (OSTI)

An in-depth study of the state of the art in Geothermal Well Log Interpretation has been made encompassing case histories, technical papers, computerized literature searches, and actual processing of geothermal wells from New Mexico, Idaho, and California. A classification scheme of geothermal reservoir types was defined which distinguishes fluid phase and temperature, lithology, geologic province, pore geometry, salinity, and fluid chemistry. Major deficiencies of Geothermal Well Log Interpretation are defined and discussed with recommendations of possible solutions or research for solutions. The Geothermal Well Log Interpretation study and report has concentrated primarily on Western US reservoirs. Geopressured geothermal reservoirs are not considered.

Sanyal, S.K.; Wells, L.E.; Bickham, R.E.

1980-01-01T23:59:59.000Z

248

An improved attribute reduction scheme with covering based rough sets  

Science Journals Connector (OSTI)

Abstract Attribute reduction is viewed as an important preprocessing step for pattern recognition and data mining. Most of researches are focused on attribute reduction by using rough sets. Recently, Tsang et al. discussed attribute reduction with covering rough sets in the paper (Tsang et al., 2008), where an approach based on discernibility matrix was presented to compute all attribute reducts. In this paper, we provide a new method for constructing simpler discernibility matrix with covering based rough sets, and improve some characterizations of attribute reduction provided by Tsang et al. It is proved that the improved discernibility matrix is equivalent to the old one, but the computational complexity of discernibility matrix is relatively reduced. Then we further study attribute reduction in decision tables based on a different strategy of identifying objects. Finally, the proposed reduction method is compared with some existing feature selection methods by numerical experiments and the experimental results show that the proposed reduction method is efficient and effective.

Changzhong Wang; Mingwen Shao; Baiqing Sun; Qinghua Hu

2015-01-01T23:59:59.000Z

249

Generalisation of rough set for rule induction in incomplete system  

Science Journals Connector (OSTI)

Rough set models based on the tolerance and similarity relations, have been widely used to deal with incomplete information systems. However, tolerance and similarity relations have their own limitations because the former is too loose while the latter is too strict in classification analysis. To make a reasonable and flexible classification in incomplete information system, a new binary relation is proposed in this paper. Such binary relation is only reflexive and it is a generalisation of tolerance and similarity relations. Furthermore, rough set models based on the above three different binary relations are compared. Finally, the direct approach to rules induction is investigated by using the proposed rough set, some illustrative examples are analysed to substantiate the conceptual arguments.

Xibei Yang; Xiaoning Song; Xiaohua Hu

2011-01-01T23:59:59.000Z

250

Inhomogeneous Cooling of the Rough Granular Gas in Two Dimensions  

E-Print Network [OSTI]

We study the inhomogeneous clustered regime of a freely cooling granular gas of rough particles in two dimensions using large-scale event driven simulations and scaling arguments. During collisions, rough particles dissipate energy in both the normal and tangential directions of collision. In the inhomogeneous regime, translational kinetic energy and the rotational energy decay with time $t$ as power-laws $t^{-\\theta_T}$ and $t^{-\\theta_R}$. We numerically determine $\\theta_T \\approx 1$ and $\\theta_R \\approx 1.6$, independent of the coefficients of restitution. The inhomogeneous regime of the granular gas has been argued to be describable by the ballistic aggregation problem, where particles coalesce on contact. Using scaling arguments, we predict $\\theta_T=1$ and $\\theta_R=1$ for ballistic aggregation, $\\theta_R$ being different from that obtained for the rough granular gas. Simulations of ballistic aggregation with rotational degrees of freedom are consistent with these exponents.

Sudhir N. Pathak; Dibyendu Das; R. Rajesh

2014-07-03T23:59:59.000Z

251

Rough and Ready Biomass Facility | Open Energy Information  

Open Energy Info (EERE)

and Ready Biomass Facility and Ready Biomass Facility Jump to: navigation, search Name Rough and Ready Biomass Facility Facility Rough and Ready Sector Biomass Owner Rough and Ready Lumber Co. Location Cave Junction, Oregon Coordinates 42.1628912°, -123.6481235° 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":42.1628912,"lon":-123.6481235,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

252

Determination of interfacial roughness using X-ray scattering  

SciTech Connect (OSTI)

Crystal truncation rod (CTR) scattering is shown to be a powerful technique for determining interfacial roughness non-destructively. By measuring the decay of scattering away from a Bragg reflection in the surface direction an rms roughness of the surface or interface can be extracted. The authors obtain rms roughness values with an accuracy of {+-} 0.1 {angstrom}. Sensitivity to lateral length scale roughness ranges from the wavelength of the x-rays to between 1,000--10,000 {angstrom} depending on the instrument function and the specific truncation rod. The influence of different cleans, as well as the thermal oxidation process, on the Si-SiO{sub 2} interface is investigated. A hot water treatment prior to the thermal oxidation is shown to roughen the Si-SiO{sub 2} interface. CTR scattering results also show a smoothing of the interface as a result of the oxidation process even for as little as 60 {angstrom} of thermal oxidation. Comparison between AFM and CTR scattering gives a consistent picture of the relative roughness of the wafers, although the absolute numbers do not agree. The differences in the absolute values can be explained by the lateral roughness scale that the two techniques measure, indicating that it is at periodicities below {approx} 100 {angstrom} that the increased roughness observed by the x-ray is found. Crystal truncation rods are shown to be perpendicular to the surface and not along the crystallographic axes of a miscut crystal. It is shown that for a crystal terminated by a regular step array both an atomistic and a continuum description of CTR scattering give identical results. Furthermore, the atomistic approach is used to show that a diamond cubic surface with a miscut is inherently rough. Even for a small miscut the tilt of the CTR with respect to the crystallographic axes results in complications for measuring the rod intensity. The authors present schemes for determining the exact position of the CTR in reciprocal space and for measuring the miscut of a single crystal. These methods were applied to the measurement of CTR intensities of silicon(001) wafers with miscuts of 0.1 and 4 degrees.

Munkholm, A.

1997-05-01T23:59:59.000Z

253

Acoustic Logs At Coso Geothermal Area (1977) | Open Energy Information  

Open Energy Info (EERE)

Coso Geothermal Area (1977) Coso Geothermal Area (1977) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Acoustic Logs At Coso Geothermal Area (1977) Exploration Activity Details Location Coso Geothermal Area Exploration Technique Acoustic Logs Activity Date 1977 Usefulness not indicated DOE-funding Unknown Notes Acoustic logs indicate fractured rock and potentially permeable zones. References Galbraith, R. M. (1 May 1978) Geological and geophysical analysis of Coso Geothermal Exploration Hole No. 1 (CGEH-1), Coso Hot Springs KGRA, California Goranson, C.; Schroeder, R. (1 June 1978) Static downhole characteristics of well CGEH-1 at Coso Hot Springs, China Lake, California Retrieved from "http://en.openei.org/w/index.php?title=Acoustic_Logs_At_Coso_Geothermal_Area_(1977)&oldid=510216"

254

Well Logging Security Initiatives | Y-12 National Security Complex  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

by this browser. Download video Captions: On Watch as GTRI demonstrates the threat to the security of (oil) well logging systems and outlines the initiatives that are enhancing the...

255

Lightweight Indexing of Observational Data in Log-Structured Storage  

E-Print Network [OSTI]

with similar properties, such as process monitoring in manufacturing. 1. INTRODUCTION Humankind has a rapidly-store) is amenable to han- dling such write-intensive scenarios. A log-store appends newly arrived data to the end

Ooi, Beng Chin

256

TRUTH & CONSEQUENCES... LOG 437/537: MODEL-THEORETIC SEMANTICS  

E-Print Network [OSTI]

TRUTH & CONSEQUENCES... LOG 437/537: MODEL-THEORETIC SEMANTICS Spring 2013, TT 11:45am-1:00pm Dr and compactness of first-order logic and introduce along the way the basic notions of structure, truth

Liu, Paul

257

Determination of lithology from well logs using a neural network  

SciTech Connect (OSTI)

The authors have developed a computer program to automatically determine lithologies from well logs using a back-propagation neural network. Unlike a conventional serial computer, a neural network is a computational system composed of nodes (sometimes called neurons, neurodes, or units) and the connections between these nodes. Neural computing attempts to emulate the functions of the mammalian brain, thus mimicking thought processes. The neural network approach differs from previous pattern recognition methods in its ability to learn from examples. Unlike conventional statistical methods, this new approach does not require sophisticated mathematics and a large amount of statistical data. This paper discusses the application of neural networks to a pattern recognition problem in geology: the determination of lithology from well logs. The neural network determined the lithologies (limestone, dolomite, sandstone, shale, sandy and dolomitic limestones, sandy dolomite, and shale sandstone) from selected well logs in a fraction of the time required by an experienced human log analyst.

Rogers, S.J.; Fang, J.H. (Univ. of Alabama, Tuscaloosa (United States)); Karr, C.L.; Stanley, D.A. (Bureau of Mines, Tuscaloosa, AL (United States))

1992-05-01T23:59:59.000Z

258

Heuristic search method for optimal zonation of well logs  

SciTech Connect (OSTI)

Optimal zonation of well-log data, that is, determining an optimal number of major segments such as waveforms in a log, may be achieved by employing a criterion of minimum variance (within a segment) and a heuristic search of potential boundary (link) points of digitized log data. This new method is based on an algorithm originally devised by D.M. Hawkins and D.F. Merriam in 1973. Their method can be improved by introducing a heuristic search procedure, thereby decreasing computer time by 7- to 50-fold, depending on the number of data points and configuration of the logs. Time saving is proportional to the size of the data set. Three examples - one hypothetical and two real-are used to illustrate the modification of the Hawkins and Merriam algorithm.

Chen, H.C.; Fang, J.H.

1986-07-01T23:59:59.000Z

259

Logging, Testing and Monitoring Geothermal Wells | Open Energy Information  

Open Energy Info (EERE)

Logging, Testing and Monitoring Geothermal Wells Logging, Testing and Monitoring Geothermal Wells Jump to: navigation, search OpenEI Reference LibraryAdd to library Conference Paper: Logging, Testing and Monitoring Geothermal Wells Abstract Wells or boreholes are essential components in both geothermal research and utilization as they enable a drastic increase in geothermal energy production beyond natural out-flow as well as providing access deep into the systems, not otherwise possible. Wells also play a vital role in all geothermal reservoir physics (also called reservoir engineering) research, which would be particularly ineffec-tive without the access into geothermal systems provided by wells. During drilling the main reservoir physics research is performed through logging of different parameters as functions

260

Development of SolGel Icephobic Coatings: Effect of Surface Roughness and Surface Energy  

Science Journals Connector (OSTI)

Development of SolGel Icephobic Coatings: Effect of Surface Roughness and Surface Energy ... Energy

Qitao Fu; Xinghua Wu; Divya Kumar; Jeffrey W. C. Ho; Pushkar D. Kanhere; Narasimalu Srikanth; Erjia Liu; Peter Wilson; Zhong Chen

2014-11-10T23:59:59.000Z

Note: This page contains sample records for the topic "logging residues rough" 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

Duality, Conjugacy and Adjointness of Approximation Operators in Covering Based Rough Sets  

E-Print Network [OSTI]

Duality, Conjugacy and Adjointness of Approximation Operators in Covering Based Rough Sets Mauricio approximation operators in covering-based rough sets. In this paper, we establish relationships between the most for the generalized rough set model based on a binary relation. Key words: rough sets, coverings, approximations

Granada, Universidad de

262

Effective boundary condition at a rough surface starting from a slip condition.  

E-Print Network [OSTI]

, set in a channel with a rough boundary, of small amplitude and wavelength . It was shown recently thatEffective boundary condition at a rough surface starting from a slip condition. Anne, for any non-degenerate roughness pattern, and for any reasonable condition imposed at the rough boundary

Gerard-Varet, David - Institut de Mathématiques de Jussieu, Université Paris 7

263

Granular computing, rough entropy and object extraction Sankar K. Pal a,1  

E-Print Network [OSTI]

of image object extraction in the framework of rough sets and granular computing is addressed. A mea- sure of rough entropy are described. ? 2005 Elsevier B.V. All rights reserved. Keywords: Rough sets; Entropy in the process of prob- lem solving. Recently, rough set theory (Pawlak, 1991) has become a popular mathematical

Mitra, Pabitra

264

Algebra and Geometry of Rough Logic Controllers T. Y. Lin 1 tylin@cs.susu.edu  

E-Print Network [OSTI]

for intelligent controls, is a mathematical formalism that integrates fuzzy logic, rough sets , evolutionary: control, fuzzy logic, evolutionary computing, modal logic, rough logic, rough set. 1 IntroductionAlgebra and Geometry of Rough Logic Controllers T. Y. Lin 1 tylin@cs.susu.edu Martin Wildberger 2

Lin, Tsau Young

265

On Generalizing Rough Set Theory Department of Computer Science, University of Regina  

E-Print Network [OSTI]

On Generalizing Rough Set Theory Y.Y. Yao Department of Computer Science, University of Regina formulations of the standard rough set theory. It demonstrates how those formulations can be adopted to develop different generalized rough set theories. The relationships be- tween rough set theory and other theories

Yao, Yiyu

266

Characterization of neighborhood operators for covering based rough sets, using duality and  

E-Print Network [OSTI]

Characterization of neighborhood operators for covering based rough sets, using duality@ugr.es Abstract Covering based Rough Sets are an important general- ization of Rough Set Theory. Basically for these approximation operators. Keywords: rough sets, coverings, approximations, neighborhood operator, order relation

Granada, Universidad de

267

Semantics of Fuzzy Sets in Rough Set Theory Department of Computer Science  

E-Print Network [OSTI]

Semantics of Fuzzy Sets in Rough Set Theory Y.Y. Yao Department of Computer Science University of rough sets. Rough membership func- tions are viewed as a special type of fuzzy membership functions and rough membership functions, between core and support of fuzzy set theory and lower and upper

Yao, Yiyu

268

Improved global bathymetry, global sea floor roughness, and deep ocean mixing  

E-Print Network [OSTI]

ocean and the increased mixing over rough topography by proposing that tidal dissipation was a power

Becker, Joseph Jeffrey

2008-01-01T23:59:59.000Z

269

Improved Global Bathymetry, Global Sea Floor Roughness, and Deep Ocean Mixing  

E-Print Network [OSTI]

ocean and the increased mixing over rough topography by proposing that tidal dissipation was a power

Becker, Joseph J

2008-01-01T23:59:59.000Z

270

Two-level expert system for well-log correlation  

SciTech Connect (OSTI)

One limitation of conventional (either manual or machine) well-log correlation is that correlation loops do not close; that is, different correlations result depending on the order in which logs are matched. The authors have devised a two-level expert system for a well-log correlation which addresses this nonclosure problem. The first level of the expert system uses heuristic rules to determine zone attributes and degree of matching. The zones or segments of logs are predetermined either by eye or by any zonation algorithm. The second level of the system deals with machine learning and dynamic programming (an optimization technique that uses recursion to find best matches). A set of optimal weights is obtained through machine learning. These weights subsequently will be used in a dynamic programming technique. Training sets for machine learning are selected to reflect geologic settings of the region. Dynamic programming is then used to match the individual zones of logs, which may exhibit gaps, repetitions, and/or thickening-thinning. Five examples having the following features will be illustrated in the poster session: anticline, unconformity, reverse fault, normal fault with an anticline, and growth fault. The first four are made up of synthetic logs, and the fifth is a real-world example of a Gulf Coast growth fault having an extra layer on the downthrown side.

Mahmoud, W.; Chen, H.C.; Shultz, A.W.; Fang, J.H.

1989-03-01T23:59:59.000Z

271

XLOGS: An expert system for environmental interpretation of wireline logs  

SciTech Connect (OSTI)

Wireline logs provide information on vertical sequences that can be useful for preliminary interpretation of depositional environments. Although the specific causes of any log response are related to many factors, including lithology, density, and pore fluid, geologists often can gain a general impression of vertical heterogeneity, cyclicity, and gradation without performing a rigorous petrophysical analysis of log responses. The authors have attempted to model these heuristics of well logs in a computer program - XLOGS - that emphasizes pattern recognition and fuzzy logic. XLOGS begins with segmentation of a given digitized log in interactive graphical mode. Next, the log shape is characterized by comparison with a set of type motifs, such as straight, serrated, funnel, and bell shapes. Shapes are described in terms of numerical attributes such as amplitude and slope. By using fuzzy values to express membership, any shape can be described. Related subenvironments can be recognized from characteristic vertical sequences, such as the upward-coarsening prograding delta lobe that produces a funnel-shaped mouth-bar segment above a straight to serrated prodelta segment. Variability in the depth scale is accommodated by iterative segmentation; trials with coarser or finer segmentation can be evaluated as alternative interpretations for distinguishing sequence and parasequence boundaries.

Shultz, A.W.; Fang, J.H.; Chen, H.C. (Univ. of Alabama, Tuscaloosa (United States))

1991-03-01T23:59:59.000Z

272

Hanford Tank Waste Residuals  

Broader source: Energy.gov (indexed) [DOE]

Hanford Hanford Tank Waste Residuals DOE HLW Corporate Board November 6, 2008 Chris Kemp, DOE ORP Bill Hewitt, YAHSGS LLC Hanford Tanks & Tank Waste * Single-Shell Tanks (SSTs) - ~27 million gallons of waste* - 149 SSTs located in 12 SST Farms - Grouped into 7 Waste Management Areas (WMAs) for RCRA closure purposes: 200 West Area S/SX T TX/TY U 200 East Area A/AX B/BX/BY C * Double-Shell Tanks (DSTs) - ~26 million gallons of waste* - 28 DSTs located in 6 DST Farms (1 West/5 East) * 17 Misc Underground Storage Tanks (MUST) * 43 Inactive MUST (IMUST) 200 East Area A/AX B/BX/BY C * Volumes fluctuate as SST retrievals and 242-A Evaporator runs occur. Major Regulatory Drivers * Radioactive Tank Waste Materials - Atomic Energy Act - DOE M 435.1-1, Ch II, HLW - Other DOE Orders * Hazardous/Dangerous Tank Wastes - Hanford Federal Facility Agreement and Consent Order (TPA) - Retrieval/Closure under State's implementation

273

First Order Rough LogicRevisited T.Y. Lin 1;2 and Qing Liu 3  

E-Print Network [OSTI]

on axiomatic rough set theory, first order rough logic was developed earlier. In this paper, a new model theory and rough set theory. Rough set theory is based on a known equivalence relation (indis­ cernibility relation equivalence relation. How­ ever, to see clearly the relationships between rough logic and rough set theories

Lin, Tsau Young

274

Title: Aerodynamic and Scalar Roughness over Snow and Sea Ice In Monin-Obukhov similarity theory, the aerodynamic roughness, z0, is the artificial height  

E-Print Network [OSTI]

Title: Aerodynamic and Scalar Roughness over Snow and Sea Ice Abstract: In Monin-Obukhov similarity theory, the aerodynamic roughness, z0, is the artificial height above the surface at which the wind speed the theory and measurement of the aerodynamic and scalar roughness lengths over snow and sea ice. The data

275

Data Compendium for the Logging Test Pits at the ERDA Grand Junction...  

Broader source: Energy.gov (indexed) [DOE]

Data Compendium for the Logging Test Pits at the ERDA Grand Junction Compound (December 1975) Data Compendium for the Logging Test Pits at the ERDA Grand Junction Compound...

276

Fluid squeeze-out between solids with rough surfaces  

E-Print Network [OSTI]

We study the fluid squeeze-out from the interface between an elastic solid with a flat surface and a rigid solid with a randomly rough surface. As an application we discuss fluid squeeze-out between a tire tread block and a road surface. Some implications for the leakage of seals are discussed, and experimental data are presented to test the theory.

B. Lorenz; B. N. J. Persson

2010-04-07T23:59:59.000Z

277

Multilayer roughness and image formation in the Schwarzschild objective  

SciTech Connect (OSTI)

We present a study of the effect of multilayer-surface-roughness-induced scattering in the image formation of the Schwarzschild objective (SO) used in the spectromicroscope MAXIMUM. The two mirrors comprising the SO are coated with Ru/B{sub 4}C multilayers that have a peak reflectivity at 130 eV. We had long observed that a diffuse x-ray background surrounds the focused x-ray spot. The spatial resolution remains at 0.1 {mu}m in spite of this. However, since a significant fraction of the flux is lost to the background, since too large an area of the sample is illuminated, and since the S/N ratio is degraded, the origins of this effect merit investigation. This diffuse background resulting from x-ray scattering at the surface of the mirrors was mapped out using bidirectional knife edge scans. Complementary surface roughness simulations were carried out with the ray-tracing program SHADOW. AFM experiments were also done to directly measure the surface roughness and power spectrum of representative multilayers. Following curve fitting, it was possible to classify Gaussian components in both the measured and simulated profiles as arising from scattering occurring at either the convex primary mirror or the concave secondary mirror. Together with geometrical analysis, these techniques permitted us to track the image formation process of an actual optical system in the presence of surface roughness. {copyright} {ital 1996 American Institute of Physics.}

Singh, S.; Solak, H.; Cerrina, F. [University of Wisconsin, 3731 Schneider Drive, Stoughton, WI 53589 (United States)] [University of Wisconsin, 3731 Schneider Drive, Stoughton, WI 53589 (United States)

1996-09-01T23:59:59.000Z

278

Neutron scattering by rough surfaces at grazing incidence  

Science Journals Connector (OSTI)

There are a number of calculations in the literature of the effect of statistical surface roughness on the specular and diffuse scattering of neutrons and x rays which impinge on surfaces at grazing incidence. These calculations do not agree with one another and in some cases lack internal consistency. In this paper I show that these discrepancies can be resolved within the distorted-wave Born approximation. The result I obtain for the specular reflectivity is the widely used version of Nevot and Croce, while that for the diffuse scattering is the same as a recent calculation by Sinha, Sirota, Garoff, and Stanley. The approximations made by Nevot and Croce are clearly revealed by the distorted-wave Born approximation. A simple numerical algorithm is proposed for the calculation of diffuse scattering from a surface whose roughness is self-affine, and the form of the scattering is calculated for a range of parameters within this model. The calculation of diffusion scattering is extended in this paper to the case of films with rough surfaces. Correlation between roughness at the two film surfaces is considered and shown to be important for the description of neutron reflectivity data obtained with a thin film of titanium deposited on a sapphire substrate.

Roger Pynn

1992-01-01T23:59:59.000Z

279

Reduce redundant broadcasting in MANETs using rough sets  

Science Journals Connector (OSTI)

A Mobile Ad-Hoc Network (MANET) consists of wireless hosts which may move often. The movement of hosts results in frequent changes in paths. In these cases, finding a path from source to destination becomes difficult. The well-known Ad-hoc On-Demand Distance Vector Routing (AODV) and Dynamic Source Routing (DSR) are routing protocols which are in vogue to determine a route when no route exists or a route breaks. As such to establish a new path from source to destination, it broadcasts control packets (route request packets), which increase the network bandwidth consumption. As MANETs have limited bandwidth, it is essential to reduce the control packets. We propose mathematical models which use the concept of rough set and Weighted Rough Set (WRS) to minimise the route request packets in the existing AODV and DSR routing protocols. Rough set theory is a mathematical tool to deal with vagueness, uncertainty; and WRS theory is an extension to rough set theory which also considers the importance of the objects.

A. Nagaraju; S. Ramachandram

2014-01-01T23:59:59.000Z

280

Graph and matrix approaches to rough sets through matroids  

Science Journals Connector (OSTI)

Abstract Rough sets are efficient for attribute reduction and rule extraction in data mining. However, many important problems including attribute reduction in rough sets are NP-hard, therefore the algorithms to solve them are often greedy. Matroids, generalized from linear independence in vector spaces, provide well-established platforms for greedy algorithm design. In this paper, we use graph and matrix approaches to study rough sets through matroids. First, we construct an isomorphism from equivalence relations to 2-circuit matroids, and then propose graph representations of lower and upper approximations through the graphic matroid. We also study graph representations of lower and upper approximations by that of the dual of the matroid. Second, in light of the fact that the relational matrix is a representable matrix of the matroid induced by an equivalence relation, matrix representations of lower and upper approximations are obtained with the representable matrix of the matroid. In a word, borrowing from matroids, this work presents two interesting views, graph and matrix ones, to investigate rough sets.

Shiping Wang; Qingxin Zhu; William Zhu; Fan Min

2014-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "logging residues rough" 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

Stereo-Vision-Based Obstacle Avoidance in Rough Outdoor Terrain  

E-Print Network [OSTI]

on chemical or nuclear plants are only a few possible scenarios. Unmanned vehicles could patrol frontiers and powerful robot navigation system for rough and vegetated outdoor terrain. Vegetation in that context of natural disasters, large-scale accidents and terrorism. Fire infernos, hurricanes, air crashes and attacks

Berns, Karsten

282

Mask roughness induced LER: geometric model at long correlation lengths  

SciTech Connect (OSTI)

Collective understanding of how both the resist and line-edge roughness (LER) on the mask affect the final printed LER has made significant advances. What is poorly understood, however, is the extent to which mask surface roughness couples to image plane LER as a function of illumination conditions, NA, and defocus. Recently, progress has been made in formulating a simplified solution for mask roughness induced LER. Here, we investigate the LER behavior at long correlation lengths of surface roughness on the mask. We find that for correlation lengths greater than 3/NA in wafer dimensions and CDs greater than approximately 0.75/NA, the previously described simplified model, which remains based on physical optics, converges to a 'geometric regime' which is based on ray optics and is independent of partial coherence. In this 'geometric regime', the LER is proportional to the mask slope error as it propagates through focus, and provides a faster alternative to calculating LER in contrast to either full 2D aerial image simulation modeling or the newly proposed physical optics model. Data is presented for both an NA = 0.32 and an NA = 0.5 imaging system for CDs of 22-nm and 50-nm horizontal-line-dense structures.

McClinton, Brittany M.; Naulleau, Patrick P.

2011-02-11T23:59:59.000Z

283

Multilayer roughness and image formation in the Schwarzschild objective  

Science Journals Connector (OSTI)

We present a study of the effect of multilayer?surface?roughness?induced scattering in the image formation of the Schwarzschild objective (SO) used in the spectromicroscope MAXIMUM. The two mirrors comprising the SO are coated with Ru/B4C multilayers that have a peak reflectivity at 130 eV. We had long observed that a diffuse x?ray background surrounds the focused x?ray spot. The spatial resolution remains at 0.1 ?m in spite of this. However since a significant fraction of the flux is lost to the background since too large an area of the sample is illuminated and since the S/N ratio is degraded the origins of this effect merit investigation. This diffuse background resulting from x?ray scattering at the surface of the mirrors was mapped out using bidirectional knife edge scans. Complementary surface roughness simulations were carried out with the ray?tracing program SHADOW. AFM experiments were also done to directly measure the surface roughness and power spectrum of representative multilayers. Following curve fitting it was possible to classify Gaussian components in both the measured and simulated profiles as arising from scattering occurring at either the convex primary mirror or the concave secondary mirror. Together with geometrical analysis these techniques permitted us to track the image formation process of an actual optical system in the presence of surface roughness.

S. Singh; H. Solak; F. Cerrina

1996-01-01T23:59:59.000Z

284

Studies of the 3D surface roughness height  

SciTech Connect (OSTI)

Nowadays nano-coatings occupy more and more significant place in technology. Innovative, functional coatings acquire new aspects from the point of view of modern technologies, considering the aggregate of physical properties that can be achieved manipulating in the production process with the properties of coatings surfaces on micro- and nano-level. Nano-coatings are applied on machine parts, friction surfaces, contacting parts, corrosion surfaces, transparent conducting films (TCF), etc. The equipment available at present for the production of transparent conducting oxide (TCO) coatings with highest quality is based on expensive indium tin oxide (ITO) material; therefore cheaper alternatives are being searched for. One such offered alternative is zink oxide (ZnO) nano-coatings. Evaluating the TCF physical and mechanical properties and in view of the new ISO standard (EN ISO 25178) on the introduction of surface texture (3D surface roughness) in the engineering calculations, it is necessary to examine the height of 3D surface roughness, which is one of the most significant roughness parameters. The given paper studies the average values of 3D surface roughness height and the most often applied distribution laws are as follows: the normal distribution and Rayleigh distribution. The 3D surface is simulated by a normal random field.

Avisane, Anita; Rudzitis, Janis; Kumermanis, Maris [Institute of Mechanical Engineering, Riga Technical University, Ezermalas str. 6k, Riga (Latvia)

2013-12-16T23:59:59.000Z

285

On the union and intersection operations of rough sets based on various approximation spaces  

Science Journals Connector (OSTI)

Abstract Algebraic structures and lattice structures of rough sets are basic and important topics in rough sets theory. In this paper we pointed out that a basic problem had been overlooked, that is the closeness of union and intersection operations of rough approximation pairs, i.e. (lower approximation, upper approximation). We present that the union and intersection operations of rough approximation pairs are closed for classical rough sets and two kinds of covering based rough sets, but not for twenty kinds of covering based rough sets and the generalized rough sets based on fuzzy approximation space. Moreover, we proved that the union and intersection operations of rough fuzzy approximation pairs are closed and a bounded distributive lattice can be constructed.

Xiaohong Zhang; Jianhua Dai; Yucai Yu

2015-01-01T23:59:59.000Z

286

Statistical model for source rock maturity and organic richness using well-log data, Bakken Formation, Williston basin, United States  

SciTech Connect (OSTI)

A study of the Bakken Formation, the proposed source rock for much of the hydrocarbons generated in the Williston basin, was done using bulk density, neutron porosity, and resistivity logs, and formation temperatures. Principal components, cluster, and discriminant analyses indicate that the present-day distribution of organic matter controls much of the variability in the log values. Present-day total organic carbon values are high in the central part of the basin near northeastern Montana and along the east edge of the basin, and low in the area of the Nesson anticline and along the southwest edge of the basin. Using a regression of density on temperature and the analysis of residuals from this regression, hydrocarbon maturity effects were partially separated from depositional effects. These analyses suggest that original concentrations of organic matter were low near the limits of the Bakken and increased to a high in northeastern Montana. The pre-maturation distribution of total organic carbon and the present-day total organic carbon distribution, as determined by statistical analyses of well-log data, agree with the results of geochemical analyses. The distributions can be explained by a relatively simple depositional pattern and thermal history for the Bakken. 6 figures, 3 tables.

Krystinik, K.B.; Charpentier, R.R.

1987-01-01T23:59:59.000Z

287

Connect & Log In | Argonne Leadership Computing Facility  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Account Information Accounts and Access FAQ Connect & Log In Using CRYPTOCards SSH Keys on Surveyor Disk Space Quota Management Allocations Decommissioning of BG/P Systems and Resources Blue Gene/Q Versus Blue Gene/P Mira/Cetus/Vesta Intrepid/Challenger/Surveyor Tukey Eureka / Gadzooks Policies Documentation Feedback Please provide feedback to help guide us as we continue to build documentation for our new computing resource. [Feedback Form] Connect & Log In Users log into ALCF resources via ssh. ssh mira.alcf.anl.gov -l Resources that are accessible via ssh are vesta.alcf.anl.gov, mira.alcf.anl.gov, surveyor.alcf.anl.gov, intrepid.alcf.anl.gov, cetus.alcf.anl.gov, challenger.alcf.anl.gov, tukey.alcf.anl.gov, eureka.alcf.anl.gov, and gadzooks.alcf.anl.gov.

288

Acoustic Logs At Raft River Geothermal Area (1979) | Open Energy  

Open Energy Info (EERE)

Raft River Geothermal Area (1979) Raft River Geothermal Area (1979) Exploration Activity Details Location Raft River Geothermal Area Exploration Technique Acoustic Logs Activity Date 1979 Usefulness useful DOE-funding Unknown Exploration Basis To permit the lateral and vertical extrapolation of core and test data and bridged the gap between surface geophysical data and core analyses. Notes Televiewer logs permitted the location and orientation of numerous fractures and several features that may be faults. References Keys, W. S.; Sullivan, J. K. (1 June 1979) Role of borehole geophysics in defining the physical characteristics of the Raft River geothermal reservoir, Idaho Retrieved from "http://en.openei.org/w/index.php?title=Acoustic_Logs_At_Raft_River_Geothermal_Area_(1979)&oldid=473816"

289

Ultrasonic logging in cased boreholes for corrosion evaluation  

SciTech Connect (OSTI)

The UltraSonic Imager (USI) is a wireline tool used for cement and casing evaluation. The USI tool uses a rotating ultrasonic transducer to give full coverage of the casing at high resolution. Each measurement made by the tool is presented with its associated color image. For corrosion applications, the most important of these measurements are casing internal radius and thickness. The color image format can be used to determine metal loss percentage, but also plays a key role in quality control to validate the characteristics of the log. The Bureau of Land Management has recently instructed operators in the Imperial Valley to perform casing integrity testing on geothermal injection wells sufficiently past the zones of fresh water to prevent contamination. Wireline logging with the USI tool is currently being used to perform the casing evaluations. Field examples illustrate results of the corrosion, mechanical wear, and internal scale deposits detected from the logs. Recovered casing is shown to validate the tool response.

Woods, T. [Schlumberger Well Services, Signal Hill, CA (United States)

1995-12-31T23:59:59.000Z

290

Multi-rate flowing Wellbore electric conductivity logging method  

SciTech Connect (OSTI)

The flowing wellbore electric conductivity logging method involves the replacement of wellbore water by de-ionized or constant-salinity water, followed by constant pumping with rate Q, during which a series of fluid electric conductivity logs are taken. The logs can be analyzed to identify depth locations of inflow, and evaluate the transmissivity and electric conductivity (salinity) of the fluid at each inflow point. The present paper proposes the use of the method with two or more pumping rates. In particular it is recommended that the method be applied three times with pumping rates Q, Q /2, and 2Q. Then a combined analysis of the multi-rate data allows an efficient means of determining transmissivity and salinity values of all inflow points along a well with a confidence measure, as well as their inherent or far-field pressure heads. The method is illustrated by a practical example.

Tsang, Chin-Fu; Doughty, Christine

2003-04-22T23:59:59.000Z

291

Impact of Ice Crystal Roughness on Satellite Retrieved Cloud Properties  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Ice Crystal Roughness on Satellite Retrieved Cloud Properties Ice Crystal Roughness on Satellite Retrieved Cloud Properties P. Minnis 1 , P. W. Heck 2 , R. F. Arduini 3 , R. Palikonda 3 , J. K. Ayers 3 , M. M. Khaiyer 3 , P. Yang 4 , Y. Xie 4 3 Science Systems & Applications, Inc. Hampton, VA 1 NASA Langley Research Center Hampton, VA Current Cirrus Models Inadequate Cirrus cloud optical depths τ (heights z e ) are often over (under) estimated when derived from solar reflectances. In situ data suggest smaller asymmetry factors, g, than used in most retrieval models. Multi-angle measurements point to smoother phase functions than for solid, smooth xtals. Calculations show that solid crystals with roughened facets or embedded bubbles --both observed in real cirrus particles-- yield smoother phase functions & smaller g

292

A modified electrospark alloying method for low surface roughness  

Science Journals Connector (OSTI)

A modified electrospark alloying method has been developed. The method allows the formation of deposits with low surface roughness compared to that of the conventional electrospark alloying method. It is based on the employment of a sequence of identical pulse groups. The process of electrospark deposition and the process of electrospark grinding were combined by forming pulse groups consisting of a high energy pulse for mass transfer from treating electrode to substrate and low energy pulses for grinding during deposition. Low as-deposited surface roughness was succeeded by properly selecting parameters of the pulses in a group and pauses between them. Experimental results revealed that the proposed method is useful in forming onetwo layers of deposition.

Alexander V. Ribalko; Orhan Sahin; Kemal Korkmaz

2009-01-01T23:59:59.000Z

293

Investigating memetic algorithm in solving rough set attribute reduction  

Science Journals Connector (OSTI)

Attribute reduction is the problem of selecting a minimal subset from the original set of attributes. Rough set theory has been used for attribute reduction with much success. Since it is well known that finding a minimal subset is a NP-hard problem; therefore, it is necessary to develop efficient algorithms to solve this problem. In this work, we propose a memetic algorithm-based approach inside the rough set theory which is a hybridisation of genetic algorithm and simulated annealing. The proposed method has been tested on UCI data sets. Experimental results demonstrate the effectiveness of this memetic approach when compared with previous available methods. Possible extensions upon this simple approach are also discussed.

Majdi Mafarja; Salwani Abdullah

2013-01-01T23:59:59.000Z

294

VerSum: Verifiable Computations over Large Public Logs Jelle van den Hooff  

E-Print Network [OSTI]

blockchains, or a Certificate Transparency log. VERSUM clients ensure that the output is correct by comparing

Gummadi, Ramakrishna

295

Essential Substrate Residues for Action of Endopeptidases  

Science Journals Connector (OSTI)

Endopeptidases, which are influenced in their specificity primarily by basic residues of arginine or lysine are treated in seven sections, according to the position of the essential residue: ...

Prof. Dr. Borivoj Keil

1992-01-01T23:59:59.000Z

296

Distributed Roughness Receptivity in a Flat Plate Boundary Layer  

E-Print Network [OSTI]

- Distributed Receptivity . . . . . 6 2. FACILITY DESCRIPTION - THE KLEBANOFFSARIC WIND TUNNEL 11 2.1 Test Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 2.2 Fan and Motor... of this dissertation describes the KlebanoffSaric Wind Tunnel facility, which was used for this experiment. Section 3 describes the experimental setup (roughness design and the flat plate model) and defines the metrics by which the flow field is decomposed...

Kuester, Matthew Scott

2014-04-18T23:59:59.000Z

297

Log-periodic oscillations of transverse momentum distributions  

E-Print Network [OSTI]

Large p_T transverse momentum distributions exhibit apparently a power-like behavior. We argue that, under closer inspection, this behavior is in fact decorated with some log-periodic oscillations. Assuming that this is genuine effect and not experimental artefact, it suggests that either the exponent of the power-like behavior is in reality complex number or that there is a scale parameter which exhibits specific log-eriodic oscillations. This problem is discussed using Tsallis distributions with scale parameter being a temperature T. At this stage we consider both possibilities on equal footing.

Grzegorz Wilk; Zbigniew Wlodarczyk

2014-03-14T23:59:59.000Z

298

Capillary adhesion between elastic solids with randomly rough surfaces  

E-Print Network [OSTI]

I study how the contact area and the work of adhesion, between two elastic solids with randomly rough surfaces, depend on the relative humidity. The surfaces are assumed to be hydrophilic, and capillary bridges form at the interface between the solids. For elastically hard solids with relative smooth surfaces, the area of real contact and therefore also the sliding friction, are maximal when there is just enough liquid to fill out the interfacial space between the solids, which typically occurs for $d_{\\rm K} \\approx 3 h_{\\rm rms}$, where $d_{\\rm K}$ is the height of the capillary bridge and $h_{\\rm rms}$ the root-mean-square roughness of the (combined) surface roughness profile. For elastically soft solids, the area of real contact is maximal for very low humidity (i.e., small $d_{\\rm K}$), where the capillary bridges are able to pull the solids into nearly complete contact. In both case, the work of adhesion is maximal (and equal to $2\\gamma {\\rm cos}\\theta$, where $\\gamma$ is the liquid surface tension and $\\theta$ the liquid-solid contact angle) when $d_{\\rm K} >> h_{\\rm rms}$, corresponding to high relative humidity.

B. N. J. Persson

2008-05-06T23:59:59.000Z

299

Rough-fuzzy Classifier Modeling Using Data Repository Sets  

Science Journals Connector (OSTI)

Abstract This paper reflects the trends of the past years based on the diffusion of various traditional approaches and methods when tackling new problems. Two components of the computational intelligence (CI) are applied, rough and fuzzy sets theory. These components permit one to operate with uncertainty data. The current knowledge in the investigated field is summarized and briefly explained. It also deals with uncertainty in an information system and the two approaches, the fuzzy sets (FSs) and rough sets theory (RST), for operating it. The proposal and implementation of a rough-fuzzy classifier (RFC) is modified. RFC uses the rules generated by RSTbox. The databases IRIS and WINE were chosen for verification. The classification results were compared with the results of other classification methods are applied on these databases. Finally, we summarized the presented problems. Based on the above stated facts it can be claimed that the proposed modified algorithm, \\{RSTbox\\} and RFC model are functional. The model is relatively successful (compared to other approaches), and by using it two classification databases can be carried out. This model is proposed in MATLAB.

Jiri Krupka; Pavel Jirava

2014-01-01T23:59:59.000Z

300

Interpretation of equilibria in game-theoretic rough sets  

Science Journals Connector (OSTI)

Abstract Intelligent decision making models aim at improving the quality of decision making under uncertainty. The fundamental issues that are generally encountered in these models are too many options to choose from and the involvement of contradictory decision making criteria. The game-theoretic rough set (GTRS) model provides an intelligent decision making mechanism that exploits a game-theoretic environment for analyzing strategic situations between cooperative or conflicting decision making criteria in the probabilistic rough set framework. The concept of equilibria is of central importance in the GTRS model which has not been sufficiently addressed in the current literature. Two key issues in this regard are the interpretation of equilibria and the establishment of their existence. By reviewing, examining and defining the basic game constructs in the GTRS model, we are able to interpret an equilibrium in terms of the decision thresholds that control the rough sets based decision regions. In particular, an equilibrium is defined in terms of a pair of thresholds such that no player has a unilateral incentive to change these thresholds within the game. An example game is considered to demonstrate the use of the interpretation in determining the thresholds. The issue of existence of equilibria is addressed by considering a couple of typical two-player games in the GTRS model. The results suggest that the existence of equilibria may be established under certain limited conditions.

Nouman Azam; JingTao Yao

2015-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "logging residues rough" 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

Dimensional variation and roughness of LIGA fabricated microstructures  

SciTech Connect (OSTI)

We have measured the dimensional variation and sidewall roughness of features on PMMA micro- components fabricated by deep x-ray lithography in order to assess the effect of dimensional variation on subsequent assembly operations. Dimensional measurements were made using a stylus profilometer with a repeatability in step height of better than 0.01 {mu}m. Roughness measurements were made with the same profilometer scanning in a direction perpendicular to the length of the parts. 22 {mu}m and 54 {mu}m features exhibited dimensional variations described by a Gaussian distribution with standard deviations of 0.202 {mu}m and 0.381 {mu}m, respectively. This corresponds to a maximum relative variation of between 0.6% and 0.9%. Sidewall roughnesses were found to be in the range of 0.02 {mu}m to 0. 03 {mu}m, an insignificant contribution to the total variation when compared to overall dimensional variation. Several potential sources of this variation are discussed, but no single cause was identified as the source of the significant dimensional variation observed here.

Egert, C.M. [Oak Ridge National Lab., TN (United States); Wood, R. [Microelectronics Center of North Carolina, Research Triangle Park, NC (United States); Malek, C.K. [Louisiana State Univ., Baton Rouge, LA (United States)

1996-10-01T23:59:59.000Z

302

DISSOLUTION OF NEPTUNIUM OXIDE RESIDUES  

SciTech Connect (OSTI)

This report describes the development of a dissolution flowsheet for neptunium (Np) oxide (NpO{sub 2}) residues (i.e., various NpO{sub 2} sources, HB-Line glovebox sweepings, and Savannah River National Laboratory (SRNL) thermogravimetric analysis samples). Samples of each type of materials proposed for processing were dissolved in a closed laboratory apparatus and the rate and total quantity of off-gas were measured. Samples of the off-gas were also analyzed. The quantity and type of solids remaining (when visible) were determined after post-dissolution filtration of the solution. Recommended conditions for dissolution of the NpO{sub 2} residues are: Solution Matrix and Loading: {approx}50 g Np/L (750 g Np in 15 L of dissolver solution), using 8 M nitric acid (HNO{sub 3}), 0.025 M potassium fluoride (KF) at greater than 100 C for at least 3 hours. Off-gas: Analysis of the off-gas indicated nitric oxide (NO), nitrogen dioxide (NO{sub 2}) and nitrous oxide (N{sub 2}O) as the only identified components. No hydrogen (H{sub 2}) was detected. The molar ratio of off-gas produced per mole of Np dissolved ranged from 0.25 to 0.4 moles of gas per mole of Np dissolved. A peak off-gas rate of {approx}0.1 scfm/kg bulk oxide was observed. Residual Solids: Pure NpO{sub 2} dissolved with little or no residue with the proposed flowsheet but the NpCo and both sweepings samples left visible solid residue after dissolution. For the NpCo and Part II Sweepings samples the residue amounted to {approx}1% of the initial material, but for the Part I Sweepings sample, the residue amounted to {approx}8 % of the initial material. These residues contained primarily aluminum (Al) and silicon (Si) compounds that did not completely dissolve under the flowsheet conditions. The residues from both sweepings samples contained minor amounts of plutonium (Pu) particles. Overall, the undissolved Np and Pu particles in the residues were a very small fraction of the total solids.

Kyser, E

2009-01-12T23:59:59.000Z

303

Rough Fuzzy Set Model for Set-Valued Ordered Fuzzy Decision System  

Science Journals Connector (OSTI)

The classical rough set theory can not be directly used to reduce knowledge in set-valued ordered fuzzy decision system. Firstly, we propose a dominance relation-based rough fuzzy set model in set-valued ordered ...

Zhongkui Bao; Shanlin Yang; Ju Zhao

2014-01-01T23:59:59.000Z

304

Data Mining in Uniform Hospital Discharge Data Set Using Rough Set Model  

Science Journals Connector (OSTI)

Purpose: The purpose of this study were to apply rough set model to nursing knowledge discovery process. Method: Data mining based on rough set model was conducted on a large clinical data set containing Nursing ...

M. Park

2013-01-01T23:59:59.000Z

305

Using Variable Precision Rough Set Model to Build FP-Tree of Association Rules  

Science Journals Connector (OSTI)

The main mission of the variable precision rough set is to solve the problem of non- ... of association rules algorithms based on variable precision rough set model in e-commerce. The experiments show...

SuJuan Qian; ZhiQiang Zhang

2012-01-01T23:59:59.000Z

306

E-Print Network 3.0 - angle deposited nano-rough Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

nano-rough Search Powered by Explorit Topic List Advanced Search Sample search results for: angle deposited nano-rough Page: << < 1 2 3 4 5 > >> 1 Advanced techniques for glancing...

307

Synthetic logs generator for fraud detection in mobile transfer services  

E-Print Network [OSTI]

Synthetic logs generator for fraud detection in mobile transfer services C. Gaber12 , B. Hemery2.gaber,mohammed.achemlal}@orange.com Abstract. This article presents a simulator which generates synthetic data for fraud detection. It models fraudsters and legitimate users. Keywords: synthetic data, simulation, fraud detection Mobile payments become

Boyer, Edmond

308

Ethics, Logs and Videotape: Ethics in Large Scale User Trials  

E-Print Network [OSTI]

Ethics, Logs and Videotape: Ethics in Large Scale User Trials and User Generated Content Abstract ethical responsibilities we have towards participants. This workshop brings together researchers to discuss the ethical issues of running large-scale user trials, and to provide guidance for future research

Paris-Sud XI, Université de

309

Subsistence Halibut Community Harvest Log Page 1 of 4  

E-Print Network [OSTI]

-0512, Expiration date: 07/31/2014 Subsistence Halibut Community Harvest Permit (CHP) Log U.S. Dept of Commerce-1668 Telephone: 1-800-304-4846 FAX: 907-586-7354 BLOCK A ­ CHP COORDINATOR 1. Name of CHP Coordinator 2. Signature of CHP Coordinator BLOCK B -- SUBSISTENCE FISHER IDENTIFICATION 1. Name of Fisher (First, Middle

310

Borehole logging for uranium by measurement of natural ?-radiation  

Science Journals Connector (OSTI)

?-Ray measurements have been made in boreholes since 1939, for the purpose of detecting the radiation from naturally occuring radioelements in rocks. Logs of the ?-radiation in boreholes have evolved to their present acceptance as a quantitative measurement of uranium concentration for uranium exploration and mining development projects. Many factors influence these ?-ray measurements and consequently new methods of overcoming previous problems have had to be developed. Calibration facilities with model holes have been established in several countries to support quantitative borehole measurements. New high density detector materials have been evaluated and have shown to yield considerable improvements for operation in the restricted environment of the borehole. ?-Ray spectral logging has become available partially as a result of spin-off from parallel developments in surface and airborne ?-ray spectrometric survey equipment. The use of the high resolution solid state detector has proceeded through a series of developments to its present availability as a commercial borehole logging service in spite of the inherent detector cooling problems. Digital measurements are replacing the earlier analog measurements, and minicomputer- or micro processor-based logging systems have enabled new data processing techniques such as inverse filtering, to be implemented in real time at the site of the borehole.

P.G. Killeen

1983-01-01T23:59:59.000Z

311

Dataset Descriptions and Results Various StatLog partners  

E-Print Network [OSTI]

9 Dataset Descriptions and Results Various StatLog partners See Appendix C for a full list 1 9.1 INTRODUCTION We group the dataset results according to domain type, although this distinction is perhaps arbitrary at times. There are three credit datasets, of which two follow in the next section; the third

Taylor, Charles C.

312

Fluid-Rock Characterization and Interactions in NMR Well Logging  

SciTech Connect (OSTI)

The objective of this report is to characterize the fluid properties and fluid-rock interactions that are needed for formation evaluation by NMR well logging. The advances made in the understanding of NMR fluid properties are summarized in a chapter written for an AAPG book on NMR well logging. This includes live oils, viscous oils, natural gas mixtures, and the relation between relaxation time and diffusivity. Oil based drilling fluids can have an adverse effect on NMR well logging if it alters the wettability of the formation. The effect of various surfactants on wettability and surface relaxivity are evaluated for silica sand. The relation between the relaxation time and diffusivity distinguishes the response of brine, oil, and gas in a NMR well log. A new NMR pulse sequence in the presence of a field gradient and a new inversion technique enables the T{sub 2} and diffusivity distributions to be displayed as a two-dimensional map. The objectives of pore morphology and rock characterization are to identify vug connectivity by using X-ray CT scan, and to improve NMR permeability correlation. Improved estimation of permeability from NMR response is possible by using estimated tortuosity as a parameter to interpolate between two existing permeability models.

George J. Hirasaki; Kishore K. Mohanty

2005-09-05T23:59:59.000Z

313

Fundamenta Informaticae 108(3-4), 2011, pp. 267286 267 Game-Theoretic Rough Sets  

E-Print Network [OSTI]

Fundamenta Informaticae 108(3-4), 2011, pp. 267­286 267 IOS Press Game-Theoretic Rough Sets Joseph@cs.uregina.ca Abstract. This article investigates the Game-theoretic Rough Set (GTRS) model and its capability of analyzing a major decision problem evident in existing probabilistic rough set models. A major challenge

Yao, JingTao

314

Space Exploration and Global Optimization for Computationally Intensive Design Problems: A Rough Set Based Approach  

E-Print Network [OSTI]

, and transparent. This work proposes a rough set based approach that can identify multip,le sub-regions in a design than a given level. The rough set method is applied iteratively on a growing sample set. A novel with a few well-known global optimization algorithms. Keywords: rough set, design optimization, space

Wang, Gaofeng Gary

315

Game-Theoretic Risk Analysis in Decision-Theoretic Rough Sets  

E-Print Network [OSTI]

Game-Theoretic Risk Analysis in Decision-Theoretic Rough Sets Joseph P. Herbert JingTao Yao,jtyao]@cs.uregina.ca Abstract. Determining the correct threshold values for probabilistic rough set models has been a heated these tolerance values. 1 Introduction In rough sets [10], a set within the universe of discourse is approximated

Yao, JingTao

316

From Rough Sets to Soft Computing Department of Mathematics and Computer Science, San Jose State University,  

E-Print Network [OSTI]

From Rough Sets to Soft Computing T.Y. Lin Department of Mathematics and Computer Science, San Jose By the invitation of the Conference Chair Professor Paul Wang, a Workshop on Rough Set Theory was held in the Second­October 1, 1995. The workshop in the setting of joint conferences provides a forum for rough setters

Lin, Tsau Young

317

Prediction of Dominant Genes Responsible for Lung Adenocarcinoma using Rough Set Theory  

E-Print Network [OSTI]

Prediction of Dominant Genes Responsible for Lung Adenocarcinoma using Rough Set Theory Abhinandan responsible for Lung Adenocarcinoma using Rough Set Theory. The work takes a microarray dataset containing and attributes. Using rough set theory, redundant attributes are then determined and eliminated. The core

Gesbert, David

318

Implicator-Conjunctor Based Models of Fuzzy Rough Sets: Definitions and Properties  

E-Print Network [OSTI]

Implicator-Conjunctor Based Models of Fuzzy Rough Sets: Definitions and Properties Lynn D'eer1 those proposals which generalize the logical connectives and quantifiers present in the rough set, rough sets, hybridization, lower and upper ap- proximation, implication, conjunction, axiomatic approach

Granada, Universidad de

319

Introduction to the Special Issue on Rough Sets and Soft Computing.  

E-Print Network [OSTI]

Introduction to the Special Issue on Rough Sets and Soft Computing. T. Y. Lin Department, California 94720 . The notion of rough sets was introduced by Zdzislaw Pawlak in his seminal paper of 1982 of information systems. From the outset, rough set theory has been a methodology of database mining or knowledge

Lin, Tsau Young

320

FRPS: A Fuzzy Rough Prototype Selection method Nele Verbiest a,n  

E-Print Network [OSTI]

: Classification Fuzzy rough sets Instance selection k NN Prototype Selection a b s t r a c t The k Nearest with a reduced but reinforced dataset to pick its neighbours from. We use fuzzy rough set theory to express are instance selection methods specifically designed to improve k NN classification. Rough set theory [6

Gent, Universiteit

Note: This page contains sample records for the topic "logging residues rough" 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

Relations in Mathematical Morphology with applications to Graphs and Rough Sets  

E-Print Network [OSTI]

Relations in Mathematical Morphology with applications to Graphs and Rough Sets John G. Stell School of Computing, University of Leeds Leeds, LS2 9JT, U.K. jgs@comp.leeds.ac.uk Abstract. Rough sets for granularity, and the question of how rough sets relate to mathe- matical morphology has been raised by Bloch

Stell, John

322

Comparison of Rough-set and Interval-set Models for Uncertain Reasoning  

E-Print Network [OSTI]

Comparison of Rough-set and Interval-set Models for Uncertain Reasoning Y.Y. Yao and Xining Li Department of Computer Science Lakehead University Thunder Bay, Ontario, Canada P7B 5E1 Abstract In the rough-set of their extended set-theoretic operators. The operators in the rough-set model are not truth-functional, while

Yao, Yiyu

323

Fundamenta Informaticae 108 (2011) 249265 249 Two Semantic Issues in a Probabilistic Rough Set Model  

E-Print Network [OSTI]

Rough Set Model Yiyu Yao Department of Computer Science University of Regina Regina, Canada yyao@cs.uregina.ca Abstract. Probabilistic rough set models are quantitative generalizations of the classical and qual in a probabilistic rough set model. This paper examines two fundamental semantics-related questions. One

Yao, Yiyu

324

Rough Set Model Selection for Practical Decision Making Joseph P. Herbert JingTao Yao  

E-Print Network [OSTI]

Rough Set Model Selection for Practical Decision Making Joseph P. Herbert JingTao Yao Department}@cs.uregina.ca Abstract One of the challenges a decision maker faces is choos- ing a suitable rough set model to use for data analysis. The traditional algebraic rough set model classifies objects into three regions, namely

Yao, JingTao

325

Personalizing information retrieval in CRISs with Fuzzy Sets and Rough Sets  

E-Print Network [OSTI]

Personalizing information retrieval in CRISs with Fuzzy Sets and Rough Sets Germán Hurtado Martín? Our approach proposes using fuzzy and rough sets to make the matching process between the users. Furthermore, both fuzzy and rough sets perform well in the presence of imperfect or missing information

Gent, Universiteit

326

Rough Sets for Uncertainty Reasoning S.K.M. Wong1  

E-Print Network [OSTI]

Rough Sets for Uncertainty Reasoning S.K.M. Wong1 and C.J. Butz2 1 Department of Computer Science & Engineering, University of Ottawa, Ottawa, Canada, K1N 6N5, butz@site.uottawa.ca Abstract. Rough sets have traditionally been applied to decision (clas- sification) problems. We suggest that rough sets are even better

Butz, Cory J.

327

Fundamenta Informaticae XX (2004) 118 1 A New Rough Sets Model Based on Database Systems  

E-Print Network [OSTI]

Fundamenta Informaticae XX (2004) 1­18 1 IOS Press A New Rough Sets Model Based on Database Systems, USA jhan@csudh.edu Abstract. Rough sets theory was proposed by Pawlak in the 1980s and has been applied success- fully in a lot of domains. One of the major limitations of the traditional rough sets

Lin, Tsau Young

328

Concept Lattices in Rough Set Theory Department of Computer Science, University of Regina  

E-Print Network [OSTI]

Concept Lattices in Rough Set Theory Y.Y. Yao Department of Computer Science, University of Regina-- An alternative formulation of rough set theory can be developed based on a binary relation between two universes, one is a finite set of objects and the other is a finite set of properties. Rough set approximation

Yao, Yiyu

329

Fundamenta Informaticae 34 (1999) 1{21 1 Contributions to the Theory of Rough Sets  

E-Print Network [OSTI]

Fundamenta Informaticae 34 (1999) 1{21 1 IOS Press Contributions to the Theory of Rough Sets V, KY 40506{0046 marek|mirek@cs.uky.edu Abstract. We study properties of rough sets, that is system. A rough set is a pair hL; U i such that L; U are de nable in the information system and L U

Truszczynski, Miroslaw

330

A Comparative Study of Formal Concept Analysis and Rough Set Theory in Data Analysis  

E-Print Network [OSTI]

A Comparative Study of Formal Concept Analysis and Rough Set Theory in Data Analysis Yiyu (Y@cs.uregina.ca; http://www.cs.uregina.ca/yyao Abstract. The theory of rough sets and formal concept analysis. Formal concept analysis focuses on concepts that are definable by conjuctions of properties, rough set

Yao, Yiyu

331

Neurocomputing 36 (2001) 1}3 Presenting the special issue on Rough-neuro computing  

E-Print Network [OSTI]

, adaptation, and self-organization on the other. Granular computing including rough sets and fuzzy sets of neural networks and granular computing, in particular rough sets and fuzzy sets. There are 10 papers a way of integrating rough set theory with a fuzzy MLP using a modular evolutionary algorithm

Pal, Sankar Kumar

332

Improving SMOTE with Fuzzy Rough Prototype Selection to detect Noise in Imbalanced  

E-Print Network [OSTI]

). Using fuzzy rough set theory, the noise level of each instance is measured, and instances for which Rough Set The- ory 1 Introduction Imbalanced classification has become an important field in data mining on fuzzy rough set theory [7]. Next, we remove all instances that have a noise

Gent, Universiteit

333

Ablation of carbon-based materials : investigation of roughness set-up from  

E-Print Network [OSTI]

Ablation of carbon-based materials : investigation of roughness set-up from heterogeneous reactions for roughness set-up is investigated, based on the coupling between diffusive transfer in the sur- rounding and heat transfers, the importance of which relies on the surface roughness. A new possible physical cause

Paris-Sud XI, Université de

334

Generalization of Rough Sets using Modal Logics Department of Computer Science, Lakehead University  

E-Print Network [OSTI]

Generalization of Rough Sets using Modal Logics Y.Y. Yao Department of Computer Science, Lakehead@cs.sjsu.edu Abstract The theory of rough sets is an extension of set theory with two addi­ tional unary set operators in modal logics. By explor­ ing the relationship between rough sets and modal logics, this paper

Lin, Tsau Young

335

Information Granulation and Approximation in a Decision-theoretic Model of Rough Sets  

E-Print Network [OSTI]

Information Granulation and Approximation in a Decision-theoretic Model of Rough Sets Y.Y. Yao in the gran- ulated universe are two related fundamental issues in the theory of rough sets. Many proposals of results from existing studies that are relevant to a decision-theoretic modeling of rough sets. Two

Yao, Yiyu

336

A Comparative Study of Fuzzy Sets and Rough Sets Department of Computer Science, Lakehead University  

E-Print Network [OSTI]

A Comparative Study of Fuzzy Sets and Rough Sets Y.Y. Yao 1 Department of Computer Science and compares theories of fuzzy sets and rough sets. Two approaches for the formulation of fuzzy sets are reviewed, one is based on many-valued logic and the other is based on modal logic. Two views of rough sets

Yao, Yiyu

337

Fundamenta Informaticae 34 (1999) 1--21 1 Contributions to the Theory of Rough Sets  

E-Print Network [OSTI]

Fundamenta Informaticae 34 (1999) 1--21 1 IOS Press Contributions to the Theory of Rough Sets V Lexington, KY 40506--0046 marek---mirek@cs.uky.edu Abstract. We study properties of rough sets, that is system. A rough set is a pair hL; Ui such that L; U are definable in the information system and L ` U

Truszczynski, Miroslaw

338

Two Views of the Theory of Rough Sets in Finite Universes  

E-Print Network [OSTI]

Two Views of the Theory of Rough Sets in Finite Universes Y.Y. Yao 1 Department of Computer Science This paper presents and compares two views of the theory of rough sets. The operator-oriented view interprets rough set theory as an extension of set theory with two additional unary operators. Under such a view

Yao, Yiyu

339

Fuzzy Rough Set Based Web Query Expansion Martine De Cock and Chris Cornelis  

E-Print Network [OSTI]

Fuzzy Rough Set Based Web Query Expansion Martine De Cock and Chris Cornelis Fuzziness, Krijgslaan 281 (S9), 9000 Gent, Belgium {Martine.DeCock, Chris.Cornelis}@UGent.be Abstract Fuzzy rough set on average -- we focus on query ex- pansion, i.e. the process of adding related terms to the query. Rough set

Gent, Universiteit

340

Fuzzy Rough Sets: Beyond the Obvious Martine De Cock, Chris Cornelis, Etienne Kerre  

E-Print Network [OSTI]

Fuzzy Rough Sets: Beyond the Obvious Martine De Cock, Chris Cornelis, Etienne Kerre Fuzziness.Kerre@UGent.be Abstract-- Rough set theory was introduced in 1982. Soon it was combined with fuzzy set theory, giving rise. I. INTRODUCTION Pawlak [12] launched rough set theory as a framework for the construction

Gent, Universiteit

Note: This page contains sample records for the topic "logging residues rough" 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

Incorporating Game-theoretic Rough Sets in Web-based Medical Decision Support Systems  

E-Print Network [OSTI]

Incorporating Game-theoretic Rough Sets in Web-based Medical Decision Support Systems JingTao Yao of game-theoretic rough set (GTRS) component in WMDSS is explored and investigated for this purpose. The GTRS is a recent development in rough sets that takes advantages from data analysis capabilities

Yao, JingTao

342

A Rough Sets Based Approach to Feature Selection M. Zhang J. T. Yao  

E-Print Network [OSTI]

A Rough Sets Based Approach to Feature Selection M. Zhang J. T. Yao Department of Computer Science. The features are measured by their necessity in heuristic feature selection techniques. Rough set theory has been used to define the necessity of features in literature. We propose a new rough set based feature

Yao, JingTao

343

Decision-Theoretic Rough Set Models Department of Computer Science, University of Regina,  

E-Print Network [OSTI]

Decision-Theoretic Rough Set Models Yiyu Yao Department of Computer Science, University of Regina, Regina, Saskatchewan, Canada S4S 0A2 E-mail: yyao@cs.uregina.ca Abstract. Decision-theoretic rough set models are a probabilistic exten- sion of the algebraic rough set model. The required parameters

Yao, Yiyu

344

Interval-valued Fuzzy-Rough Feature Selection and Application for Handling Missing Values in Datasets  

E-Print Network [OSTI]

, UK {rkj,qqs}@aber.ac.uk Abstract One of the many successful applications of rough set theory has been to the area of feature selection. The rough set ideol- ogy of using only the supplied data and no other information has many benefits, where most other methods require sup- plementary knowledge. Fuzzy-rough set

Lucas, Simon M.

345

The effect of roughness on aerosol deposition in tubes  

E-Print Network [OSTI]

is the Reynolds number. The data formed a peculiar dip at a Reynolds number between 2000 and 10, 000 (depending on roughness) and remained fairly constant for increased Reynolds number. Nikuradse concluded that when the thickness of the laminar layer is greater...). The experiments of Wirtz and Chen (1991) were conducted on internally transverse finned (ribbed) tubes for a Reynolds number range of 2000 - 8000 and various rib spacings (3 - 18 mm) and heights (12 - 18 mm), using air as the fluid media. Their experimental...

Chavez, Mario Cesar

2012-06-07T23:59:59.000Z

346

Scaling laws governing the roughness of the swash edge line  

E-Print Network [OSTI]

The physics of swash i.e. a layer of water that washes up on the beach after an incoming wave has broken is complicated and intriguing. It includes perplexed hydrodynamic and sediment transport events. In our paper we address to the roughness of the moving swash boundary at which a beach, water and air meet. We treat the behavior of this boundary as an interfacial phenomenon, without going into details of formation of edge waves and beach cusps, covered broadly in literature. This "crude" approach turns out to be productive and revealing the resemblance of the swash line with a broad diversity of effects arising from the random pinning of moving boundaries.

Ed. Bormashenko; A. Musin; R. Grynuov

2014-02-23T23:59:59.000Z

347

On the relation between rough set reducts and typical testors  

Science Journals Connector (OSTI)

Abstract This paper studies the relations between rough set reducts and typical testors from the so-called logical combinatorial approach to pattern recognition. Definitions, comments and observations are formally introduced and supported by illustrative examples. Furthermore, some theorems expressing theoretical relations between reducts and typical testors are enunciated and proved. We also discuss several practical applications of these relations that can mutually enrich the development of research and applications in both areas. Although we focus on the relation between the classical concepts of testor and reduct, our study can be expanded to include other types of testors and reducts.

Manuel S. Lazo-Corts; Jos Fco. Martnez-Trinidad; Jess A. Carrasco-Ochoa; Guillermo Sanchez-Diaz

2015-01-01T23:59:59.000Z

348

Residual stresses in annealed zircaloy  

SciTech Connect (OSTI)

Neutron diffraction has been used to measure the lattice constants of single crystal and rod-textured polycrystalline Zircaloy-2 in the temperature range 300-900 K. While the single crystal remains strain-free during heating or cooling, large residual grain-interaction strains occur in the polycrystalline sample as the result of compatibility being maintained among grains with anisotropic thermal expansion coefficients. These residual thermal strains have been determined as a function of temperature from the difference between the single and polycrystal lattice constants. Analysis of the data has been done using a polycrystalline deformation model, QUEST, which accounts for anisotropic elasticity, plasticity and thermal expansion, and for crystallographic texture of the sample. It is found that slow cooling from 900 K introduces residual stresses of the order of 100 MPa in the polycrystalline sample. The calculations demonstrate that these residual stresses can explain not only the difference in the proportional limits in tension and compression (strength differential) but also differences in the initial work hardening behaviour when Zircaloy-2 is deformed in tension or compression.

Tome, C.; Faber, J.; MacEwen, S.R.

1989-03-01T23:59:59.000Z

349

Influence of roughness on near-field heat transfer between two plates  

E-Print Network [OSTI]

The surface roughness correction to the near-field heat transfer between two rough bulk materials is discussed by using second-order perturbation theory. The results allow for estimating the impact of surface roughness to the heat transfer in recent experiments between two plates and between a microsphere and a plate (using the Derjaguin approximation). Furthermore, we show that the proximity approximation for describing rough surfaces is valid for distances much smaller than the correlation length of the surface roughness even if the heat transfer is dominated by the coupling of surface modes.

Svend-Age Biehs; Jean-Jacques Greffet

2011-03-11T23:59:59.000Z

350

File:Wind rough example.pdf | Open Energy Information  

Open Energy Info (EERE)

source source History View New Pages Recent Changes All Special Pages Semantic Search/Querying Get Involved Help Apps Datasets Community Login | Sign Up Search File Edit History Facebook icon Twitter icon » File:Wind rough example.pdf Jump to: navigation, search File File history File usage Metadata File:Wind rough example.pdf Size of this preview: 776 × 600 pixels. Go to page 1 2 Go! next page → next page → Full resolution ‎(1,650 × 1,275 pixels, file size: 196 KB, MIME type: application/pdf, 2 pages) File history Click on a date/time to view the file as it appeared at that time. Date/Time Thumbnail Dimensions User Comment current 18:03, 2 January 2014 Thumbnail for version as of 18:03, 2 January 2014 1,650 × 1,275, 2 pages (196 KB) Foteri (Talk | contribs) Category:Wind for Schools Portal CurriculaCategory:Wind for Schools Elementary School Curricula

351

Rough set approach to the evaluation of stormwater pollution  

Science Journals Connector (OSTI)

This paper addresses the problem of urban stormwater quality and its impacts on the receiving water. In order to describe this phenomenon, research aimed at creating a mathematical model of pollution has been conducted. Although various deterministic and stochastic models exist already, the quality of stormwater phenomenon deserves a very careful and thoughtful validation. In order to take advantage of some empirical observations available, we introduce an inductive learning method to discover some regularities in form of ''if...then...'' rules. We suggest the use of the rough set theory for this purpose. This approach is able to process both quantitative and qualitative data and also accepts inconsistency in the dataset. The rules generated from the data explain the phenomenon in terms of relevant attributes, and can be used to predict the level of pollution from future events. We present the results of the rough set analysis of a dataset concerning five catchments in the urban area of Lausanne and Geneva, Switzerland. The application of the rules to events from other catchments, particularly in France, proves the good prediction ability of our model.

Luca Rossi; Roman Slowinski; Robert Susmaga

1999-01-01T23:59:59.000Z

352

Rough set-based regionalisation in air quality monitoring  

Science Journals Connector (OSTI)

Regionalisation is to organise a large set of spatial objects into spatially contiguous regions despite optimising the homogeneity of the derived regions, while representing social and economic geography. To confront this problem, it is necessary to classify the regions to form groups that are homogeneous in air quality attributes. It is to develop a system that applies data mining techniques to study the distribution of air pollutants in Chennai, a metro city in India using vehicular ad hoc networking and map the distribution on the geographical map for effective policy making. In conventional regionalisation methods, the data points are assigned to a single region in a multidimensional attribute space affecting air pollution response. However, some data points, having distributed membership to more than one region, could not be justified and allocated to a single region. Rough set-based clustering technique is applied to regionalisation problem to resolve vague or overlapping regions. The overlapping regions are restructured to guarantee the homogeneity of the regions formed or altered. The investigations of the cluster validity tests confirm the effectiveness of rough set-based regionalisation in air quality modelling.

Komathy Karuppanan; Christina Jayakumaran

2013-01-01T23:59:59.000Z

353

Well Log Techniques At Coso Geothermal Area (1985) | Open Energy  

Open Energy Info (EERE)

Coso Geothermal Area (1985) Coso Geothermal Area (1985) Exploration Activity Details Location Coso Geothermal Area Exploration Technique Well Log Techniques Activity Date 1985 Usefulness not indicated DOE-funding Unknown Exploration Basis Impact of long term testing on the well pressure Notes The downhole pressure monitoring equipment for each well included a stainless steel pressure chamber attached to a 0.25 inch stainless steel capillary tubing. The surface end of the capillary tubing was connected to a Paroscientific quartz pressure trandsducer. References Sanyal, S.; Menzies, A.; Granados, E.; Sugine, S.; Gentner, R. (20 January 1987) Long-Term Testing of Geothermal Wells in the Coso Hot Springs KGRA Retrieved from "http://en.openei.org/w/index.php?title=Well_Log_Techniques_At_Coso_Geothermal_Area_(1985)&oldid=600462

354

Slimhole Drilling, Logging, and Completion Technology - An Update  

SciTech Connect (OSTI)

Using slim holes (diameter < 15 cm) for geothermal exploration and small-scale power production can produce significant cost savings compared to conventional rotary-drilling methods. In addition, data obtained from slim holes can be used to lower the risks and costs associated with the drilling and completion of large-diameter geothermal wells. As a prime contractor to the U.S. Department of Energy (DOE), Sandia National Laboratories has worked with industry since 1992 to develop and promote drilling, testing, and logging technology for slim holes. This paper describes the current status of work done both in-house and contracted to industry. It focuses on drilling technology, case histories of slimhole drilling projects, data collection and rig instrumentation, and high-temperature logging tools.

FINGER,JOHN T.; JACOBSON,RONALD D.

1999-10-07T23:59:59.000Z

355

Exponential coefficient plots for identifying cement channels from temperature logs  

SciTech Connect (OSTI)

One technique for identifying a cement channel in such a well is to inject cold water or diesel fuel for a period of time, followed by recording shut-in temperature profiles after the injection ceases. Qualitative judgements are made from the appearance of these profiles in order to confirm the existence of a channel. Alternatively, by processing the temperature logs mathematically, an exponential coefficient may be calculated and plotted against depth. This exponential coefficient plot is very responsive to the presence of cold fluid in a cement channel, and confirms a channel's existence quantitatively and conclusively. This paper discusses use of such a mathematical relationship in a predictive fashion for identifying injection zones. Methods are given for deriving and plotting the exponential coefficients from temperature logs of a well placed on cold fluid injection. Three examples are presented on the application of exponential coefficient plots to actual field logs for confirmation of suspected channels and for assessment of the uniformity of cement bonding.

Barnette, J.C.; Lanuke, E.W.; Carlson, N.R.

1984-01-01T23:59:59.000Z

356

Stratigraphic correlation of well logs using relational tree  

SciTech Connect (OSTI)

A heuristic waveform correlation scheme of well logs is based on a relational tree matching. Waveforms (well logs) are represented in a data structure known as a relational tree. A relational tree provides a complete description of the contextural relationships, as defined by peaks and valleys of the waveforms. The correlational scheme consists of a distance-measuring process using all possible peak attributes. First, a distance function is defined for any two nodes in terms of peak attributes. To find the best match for a given node of a given waveform, the authors measure the distance between the given node and each node from a predefined subset of the second waveform. The closest one is considered to be the matched node. The process is repeated for every node in the waveform. This quantitative correlation method has been implemented and tested with well logs from the Black Warrior basin, north Alabama. Results showed that the procedure has the capability of handling the thickening and thinning strata, as well as missing intervals.

Fang, J.H.; Tsay, F.; Lai, P.F.

1986-05-01T23:59:59.000Z

357

V-068: Citrix CloudPlatform Logs Potentially Sensitive Information in the  

Broader source: Energy.gov (indexed) [DOE]

8: Citrix CloudPlatform Logs Potentially Sensitive Information 8: Citrix CloudPlatform Logs Potentially Sensitive Information in the Log File V-068: Citrix CloudPlatform Logs Potentially Sensitive Information in the Log File January 14, 2013 - 12:15am Addthis PROBLEM: Citrix CloudPlatform Logs Potentially Sensitive Information in the Log File PLATFORM: Citrix CloudStack and CloudPlatform up to and including 3.0.5. ABSTRACT: A vulnerability was reported in Citrix CloudPlatform. REFERENCE LINKS: Document ID: CTX136163 SecurityTracker Alert ID: 1027978 CVE-2012-5616 IMPACT ASSESSMENT: Medium DISCUSSION: A vulnerability has been identified in Citrix CloudPlatform, formerly known as Citrix CloudStack, that could result in security-sensitive information being logged during the normal operation of the CloudPlatform server. IMPACT:

358

Well Log Techniques At Raft River Geothermal Area (1977) | Open Energy  

Open Energy Info (EERE)

Well Log Techniques At Raft River Geothermal Area Well Log Techniques At Raft River Geothermal Area (1977) Exploration Activity Details Location Raft River Geothermal Area Exploration Technique Well Log Techniques Activity Date 1977 Usefulness not indicated DOE-funding Unknown Exploration Basis Characterize the rock using well log data. Notes Information is given on the following logs: dual-induction focused log, including resistivity, sp, and conductivity; acoustic log; compensated neutron; compensated densilog; and caliper. Lithologic breaks for a drill core to a depth of 2840 ft are illustrated. References Covington, H.R. (1 January 1978) Deep drilling data, Raft River geothermal area, Idaho Raft River geothermal exploration well No. 4 Retrieved from "http://en.openei.org/w/index.php?title=Well_Log_Techniques_At_Raft_River_Geothermal_Area_(1977)&oldid=6004

359

Gamma Log At Alum Area (Moos & Ronne, 2010) | Open Energy Information  

Open Energy Info (EERE)

Gamma Log At Alum Area (Moos & Ronne, 2010) Gamma Log At Alum Area (Moos & Ronne, 2010) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Gamma Log At Alum Geothermal Area (Moos & Ronne, 2010) Exploration Activity Details Location Alum Geothermal Area Exploration Technique Gamma Log Activity Date Usefulness useful DOE-funding Unknown Notes Density, photo-electric factor (PEF), neutron, and gamma ray (GR) logs provided sufficient information to clearly delineate basement lithologic variations, suggesting that pulsed neutron logs may not in many cases be needed, References Daniel Moos, Joel Ronne (2010) Selecting The Optimal Logging Suite For Geothermal Reservoir Evaluation- Results From The Alum 25-29 Well, Nevada Retrieved from "http://en.openei.org/w/index.php?title=Gamma_Log_At_Alum_Area_(Moos_%26_Ronne,_2010)&oldid=510779"

360

Boise State University Automobile Use Mileage Log (Documentation for Business Miles)  

E-Print Network [OSTI]

Boise State University Automobile Use Mileage Log (Documentation for Business Miles) Rev. 03 University Automobile Use Mileage Log (Documentation for Business Miles) Rev. 03/10 PAGE ____ (IF YOU NEED

Barrash, Warren

Note: This page contains sample records for the topic "logging residues rough" 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

MATHEMATICS AND SCIENCE CENTERS STUDENT SERVICES ACTIVITY LOG/EVENT RECORD  

E-Print Network [OSTI]

MATHEMATICS AND SCIENCE CENTERS STUDENT SERVICES ACTIVITY LOG/EVENT RECORD Use this log for all. ENROLLEES BY TYPE: (Check one) ______ GENDER: ETHNICITY: ___ Mathematics ____ Female ___ African ___ No ___ Mathematics ___ Science ___ Technology ___ Other Describe: ____________________ 12. DESCRIPTION: (Purpose

362

Vote Selling, Voter Anonymity, and Forensic Logging of Electronic Voting Machines  

E-Print Network [OSTI]

iVotronic 8.0.1.2 Voting Machine Firmware: Final Report ForLogging of Electronic Voting Machines Sean Peisert and Mattment of electronic voting machinesforensic log- ging and

Peisert, Sean; Bishop, Matt; Yasinsac, Alec

2009-01-01T23:59:59.000Z

363

A Model for Water Factor Measurements With Fission-Neutron Logging...  

Broader source: Energy.gov (indexed) [DOE]

A Model for Water Factor Measurements With Fission-Neutron Logging Tools (May 1983) A Model for Water Factor Measurements With Fission-Neutron Logging Tools (May 1983) A Model for...

364

Nuclear Magnetic Resonance (NMR) is the only logging technique available to estimate pore-size  

E-Print Network [OSTI]

1 ABSTRACT Nuclear Magnetic Resonance (NMR) is the only logging technique available to estimate, Nuclear Magnetic Resonance (NMR) logging has been used to assess a handful of key petrophysical parameters

Torres-Verdín, Carlos

365

Neutron Log At Alum Area (Moos & Ronne, 2010) | Open Energy Information  

Open Energy Info (EERE)

Neutron Log At Alum Area (Moos & Ronne, 2010) Neutron Log At Alum Area (Moos & Ronne, 2010) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Neutron Log At Alum Geothermal Area (Moos & Ronne, 2010) Exploration Activity Details Location Alum Geothermal Area Exploration Technique Neutron Log Activity Date Usefulness useful DOE-funding Unknown Notes Density, photo-electric factor (PEF), neutron, and gamma ray (GR) logs provided sufficient information to clearly delineate basement lithologic variations, suggesting that pulsed neutron logs may not in many cases be needed, References Daniel Moos, Joel Ronne (2010) Selecting The Optimal Logging Suite For Geothermal Reservoir Evaluation- Results From The Alum 25-29 Well, Nevada Retrieved from "http://en.openei.org/w/index.php?title=Neutron_Log_At_Alum_Area_(Moos_%26_Ronne,_2010)&oldid=511025"

366

Evaluation of residue drum storage safety risks  

SciTech Connect (OSTI)

A study was conducted to determine if any potential safety problems exist in the residue drum backlog at the Rocky Flats Plant. Plutonium residues stored in 55-gallon drums were packaged for short-term storage until the residues could be processed for plutonium recovery. These residues have now been determined by the Department of Energy to be waste materials, and the residues will remain in storage until plans for disposal of the material can be developed. The packaging configurations which were safe for short-term storage may not be safe for long-term storage. Interviews with Rocky Flats personnel involved with packaging the residues reveal that more than one packaging configuration was used for some of the residues. A tabulation of packaging configurations was developed based on the information obtained from the interviews. A number of potential safety problems were identified during this study, including hydrogen generation from some residues and residue packaging materials, contamination containment loss, metal residue packaging container corrosion, and pyrophoric plutonium compound formation. Risk factors were developed for evaluating the risk potential of the various residue categories, and the residues in storage at Rocky Flats were ranked by risk potential. Preliminary drum head space gas sampling studies have demonstrated the potential for formation of flammable hydrogen-oxygen mixtures in some residue drums.

Conner, W.V.

1994-06-17T23:59:59.000Z

367

Residue management at Rocky Flats  

SciTech Connect (OSTI)

Past plutonium production and manufacturing operations conducted at the Rocky Flats Environmental Technology Site (RFETS) produced a variety of plutonium-contaminated by-product materials. Residues are a category of these materials and were categorized as {open_quotes}materials in-process{close_quotes} to be recovered due to their inherent plutonium concentrations. In 1989 all RFETS plutonium production and manufacturing operations were curtailed. This report describes the management of plutonium bearing liquid and solid wastes.

Olencz, J.

1995-12-31T23:59:59.000Z

368

The effects of the substrate surface roughness on graphene plasmons  

SciTech Connect (OSTI)

We investigate the effects of variation in the gap size between mono-layer graphene and a substrate with a randomly rough surface on the linear response of graphenes ? electron bands within the approximation of Dirac fermions. We adopt the electrostatic Greens function developed by Rahman and Maradudin [Phys. Rev. B 21, 21372143 (1980)] for the surface of a dielectric medium, which exhibits a Gaussian distributed height profile and combine it with the polarization function of graphene described as a zero-thickness planar layer at a fixed distance from the mean position of the substrate surface. We specifically consider the effects of a random gap size on the two-dimensional sheet plasmon mode in heavily doped graphene, both on its dispersion relation in the long-wavelength limit and its broadening due to Landau damping in the continuum of inter-band electron-hole excitations at shorter wavelengths.

Lyon, Keenan A.; Miskovic, Zoran L. [Department of Applied Mathematics, University of Waterloo, 200 University Ave W, N2L 3G1, Waterloo, Ontario (Canada)

2014-03-31T23:59:59.000Z

369

Scaling relations for contour lines of rough surfaces  

Science Journals Connector (OSTI)

Equilibrium and nonequilibrium growth phenomena, e.g., surface growth, generically yields self-affine distributions. Analysis of statistical properties of these distributions appears essential in understanding statistical mechanics of underlying phenomena. Here, we analyze scaling properties of the cumulative distribution of iso-height loops (i.e., contour lines) of rough self-affine surfaces in terms of loop area and system size. Inspired by the Coulomb gas methods, we find the generating function of the area of the loops. Interestingly, we find that, after sorting loops with respect to their perimeters, Zipf-like scaling relations hold for ranked loops. Numerical simulations are also provided in order to demonstrate the proposed scaling relations.

M. A. Rajabpour and S. M. Vaez Allaei

2009-07-13T23:59:59.000Z

370

Forward approximation and backward approximation in fuzzy rough sets  

Science Journals Connector (OSTI)

Abstract It is general to obtain rules by attribute reduction in fuzzy information systems. Instead of obtaining rules by attribute reduction, which may have a negative effect on inducting good rules, the objective of this paper is to extract rules without computing attribute reducts. Forward and backward approximations in fuzzy rough sets are first defined, and their important properties are discussed. Two algorithms based on forward and backward approximations, namely, mine rules based on the forward approximation (MRBFA) and mine rules based on the backward approximation (MRBBA), are proposed for rule extraction. The two algorithms are evaluated by several data sets from the UC Irvine Machine Learning Repository. The experimental results show that both MRBFA and MRBBA achieve better classification performances than the method based on attribute reduction.

Yi Cheng

2015-01-01T23:59:59.000Z

371

Transforms for prediction residuals in video coding  

E-Print Network [OSTI]

Typically the same transform, the 2-D Discrete Cosine Transform (DCT), is used to compress both image intensities in image coding and prediction residuals in video coding. Major prediction residuals include the motion ...

Kam??l?, Fatih

2010-01-01T23:59:59.000Z

372

Effects of the roughness characteristics on the wire tool surface for the electrical discharge machining properties  

SciTech Connect (OSTI)

Wire electrical discharge machining (WEDM) has been investigated to obtain the better discharge machining properties of the removal rate and the surface roughness in a few decades. Recently, it revealed that the rough tool electrodes can improve the WEDM properties for some sort of materials. In this study, the rough wire electrodes using a wet blasting method was developed and evaluated the machining performance for the insulated Si{sub 3}N{sub 4} in the WEDM processes. As the results, it could not recognize the advantage of roughness wire electrode under the high-energy condition, but it found that the electro-conductive layer thickness became thinner in comparison with those of normal wires. On the contrary, it could be obtained the better surface roughness in the low energy condition. It was supposed that the roughed wire surface generates the homogeneous dispersion discharges on the workpiece.

Fukuzawa, Yasushi; Yamashita, Masahide; Mamuro, Hiroaki; Yamashita, Ken [Nagaoka University of Technology, Department of Mechanical Engineering, 1603-1 Kamitomioka-machi, Nagaoka, Niigata, 940-2188 (Japan); Ogata, Masayoshi [Macoho Co., Ltd. 525 Kanawa, Isurugi-machi, Nagaoka, Niigata 940-2032 JAPAN (Japan)

2011-01-17T23:59:59.000Z

373

Rough Approximations under Level Fuzzy Sets W.-N. Liu J.T. Yao Y.Y.Yao  

E-Print Network [OSTI]

Rough Approximations under Level Fuzzy Sets W.-N. Liu J.T. Yao Y.Y.Yao Department of Computer]@cs.uregina.ca Abstract. The combination of fuzzy set and rough set theories lead to various models. Functional and set- mations based on the notion of level fuzzy sets. Two rough approximation models, namely -level rough set

Yao, JingTao

374

Method and apparatus for logging short radius horizontal drainholes  

SciTech Connect (OSTI)

This patent describes an apparatus for use in logging a short radius horizontal drainhole. It comprises: a tubing string having a low portion; the lower portion of the tubing string including sensor support means therein; the lower portion of the tubing string containing openings communicating with the interior thereof in the vicinity of the sensor support means to thereby exposed the interior to the pressure and temperature conditions of the horizontal drainhole; and the lower portion of the tubing string including an end portion extending transversely of the tubing sting.

Taylor, D.E.

1991-04-30T23:59:59.000Z

375

Tsallis Distribution Decorated With Log-Periodic Oscillation  

E-Print Network [OSTI]

In many situations, in all branches of physics, one encounters power-like behavior of some variables which are best described by a Tsallis distribution characterized by a nonextensivity parameter $q$ and scale parameter $T$. However, there exist experimental results which can be described only by a Tsallis distributions which are additionally decorated by some log-periodic oscillating factor. We argue that such a factor can originate from allowing for a complex nonextensivity parameter $q$. The possible information conveyed by such an approach (like the occurrence of complex heat capacity, the notion of complex probability or complex multiplicative noise) will also be discussed.

Wilk, Grzegorz

2015-01-01T23:59:59.000Z

376

Tsallis Distribution Decorated With Log-Periodic Oscillation  

E-Print Network [OSTI]

In many situations, in all branches of physics, one encounters power-like behavior of some variables which are best described by a Tsallis distribution characterized by a nonextensivity parameter $q$ and scale parameter $T$. However, there exist experimental results which can be described only by a Tsallis distributions which are additionally decorated by some log-periodic oscillating factor. We argue that such a factor can originate from allowing for a complex nonextensivity parameter $q$. The possible information conveyed by such an approach (like the occurrence of complex heat capacity, the notion of complex probability or complex multiplicative noise) will also be discussed.

Grzegorz Wilk; Zbigniew Wlodarczyk

2015-01-12T23:59:59.000Z

377

Borehole Calibration Facilities to Support Gamma Logging for Hanford Subsurface Investigation and Contaminant Monitoring - 13516  

SciTech Connect (OSTI)

Repeated gamma logging in cased holes represents a cost-effective means to monitor gamma-emitting contamination in the deep vadose zone over time. Careful calibration and standardization of gamma log results are required to track changes and to compare results over time from different detectors and logging systems. This paper provides a summary description of Hanford facilities currently available for calibration of logging equipment. Ideally, all logging organizations conducting borehole gamma measurements at the Hanford Site will take advantage of these facilities to produce standardized and comparable results. (authors)

McCain, R.G.; Henwood, P.D.; Pope, A.D.; Pearson, A.W. [S M Stoller Corporation, 2439 Robertson Drive, Richland, WA 99354 (United States)] [S M Stoller Corporation, 2439 Robertson Drive, Richland, WA 99354 (United States)

2013-07-01T23:59:59.000Z

378

2012 IEEE International Conference on Granular Computing Granular and Rough Computing on Covering  

E-Print Network [OSTI]

@gmail.comxiejun@tyut.edu.cn San Jose, CA, USA tylin@cs.sjsu.edu Abstract-Covering-based rough set (CRS) is a meaningful and important generalization of Pawlak's rough set theory. The primary goal of this paper is to extend-covering-based rough set; the globaV2nd GrC Model; neighborhood system; best upper and lower approxi mations; largest

Lin, Tsau Young

379

Scattering of optical guided waves by waveguide surface roughness: a three-dimensional treatment  

Science Journals Connector (OSTI)

The scattering of optical guided waves by waveguide surface roughness has been analyzed in three dimensions. The scattered fields were determined by satisfying the boundary conditions...

Hall, D G

1981-01-01T23:59:59.000Z

380

Procedure of evaluating the surface roughness of the electrospark coating after burnishing with mineral ceramics  

Science Journals Connector (OSTI)

The procedure of evaluating the surface roughness of metal-cutting tools strengthened by the local electrospark deposition of coatings with the subsequent burnishing with...

V. N. Gadalov; D. N. Romanenko; V. V. Samoilov

2012-07-01T23:59:59.000Z

Note: This page contains sample records for the topic "logging residues rough" 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

Rough sets on fuzzy approximation spaces and applications to distributed knowledge systems  

Science Journals Connector (OSTI)

A fuzzy relation is an extension of crisp relation on any set U. Fuzzy proximity relations on U are much more general and abundant than equivalence relations. The fuzzy approximation space which depends upon a fuzzy proximity relation defined on a set U is a generalisation of the concept of knowledge base. So, rough sets defined on fuzzy approximation spaces extend the concept of rough sets on knowledge bases. The results of the present paper extend the basic properties of rough sets and results involving set theoretic operations on types of rough sets that have been established in Tripathy and Mitra (2008).

D.P. Acharjya; B.K. Tripathy

2008-01-01T23:59:59.000Z

382

A study on some topological aspects of fuzzy sets, rough sets and soft sets; -.  

E-Print Network [OSTI]

??This thesis consists of three major parts viz., study of the topological notions of fuzzy sets, rough sets and soft sets. The first part consists (more)

Juthika, Mahanta

2013-01-01T23:59:59.000Z

383

Coal log pipeline research at the University of Missouri. Second quarterly report, April 1, 1994--June 30, 1994  

SciTech Connect (OSTI)

Coal log pipeline research continued. Progress is discussed in the following areas: fabrication, compaction, pipe abrasion, and machine design for the manufacture of the logs.

Liu, H.

1994-12-31T23:59:59.000Z

384

Process to recycle shredder residue  

DOE Patents [OSTI]

A system and process for recycling shredder residue, in which separating any polyurethane foam materials are first separated. Then separate a fines fraction of less than about 1/4 inch leaving a plastics-rich fraction. Thereafter, the plastics rich fraction is sequentially contacted with a series of solvents beginning with one or more of hexane or an alcohol to remove automotive fluids; acetone to remove ABS; one or more of EDC, THF or a ketone having a boiling point of not greater than about 125.degree. C. to remove PVC; and one or more of xylene or toluene to remove polypropylene and polyethylene. The solvents are recovered and recycled.

Jody, Bassam J. (Chicago, IL); Daniels, Edward J. (Oak Lawn, IL); Bonsignore, Patrick V. (Channahon, IL)

2001-01-01T23:59:59.000Z

385

Appendix A Lithologic and Monitor Well Completion Logs  

Office of Legacy Management (LM)

A A Lithologic and Monitor Well Completion Logs This page intentionally left blank WELL INSTALLATION BLANK CASING: 1.25 in. Stainless Steel 0.0 to 0.35 METHOD WELL SCREEN: 1.25 in. Stainless Steel 0.35 to 3.27 DATE DEVELOPED SUMPIEND CAP: 1.25 in. Stainless Steel 3.27 to 3.58 WATER LEVEL (FT BGS) SURFACE SEAL: LOGGED BY P. McKenzie REMARKS Drillers hit water at 5 fl: well point removed. LITHOLOGIC DESCRIPTION LOCATION SHIPROCK, NM SURFACE ELEV. ( FT NGVD) 4890.00 SITE SHIPROCK TOP OF CASING (FT) 4890.00 WELL NUMBER 0602 MEAS. PT. ELEV. (FT) 4890.00 SLOT SIZE (IN) 0.125 WELL INSTALLATION INTERVAL (FT) DRILLING METHOD BLANK CASING: 1.25 in. Stainless Steel 0.0 to 0.35 METHOD WELL SCREEN: 1.25 in. Stainless Steel 0.35 to 3.27 DATE DEVELOPED SUMPIEND CAP: 1.25 in. Stainless Steel 3.27 to 3.58

386

Investigation of rotor blade roughness effects on turbine performance  

SciTech Connect (OSTI)

The cold air test program was completed on the SSME (Space Shuttle Main Engine) HPFTP (High-Pressure Fuel Turbopump) turbine with production nozzle vane rings and polished coated rotor blades with a smooth surface finish of 30[mu]in. (0.76 [mu]m) rms (root mean square). The smooth blades were polished by an abrasive flow machining process. The test results were compared with the air test results from production rough-coated rotor blades with a surface finish of up to 400 [mu]in. (10.16 [mu]m) rms. Turbine efficiency was higher for the smooth blades over the entire range tested. Efficiency increased 2.1 percentage points at the SSME 104 percent RPL (Rated Power Level) conditions. This efficiency improvement could reduce the SSME HPFTP turbine inlet temperature by 57 R (32K), increasing turbine durability. The turbine flow parameter increased and the midspan outlet swirl angle became more axial with the smooth rotor blades.

Boynton, J.L.; Tabibzadeh, R. (Rockwell International Corp., Canoga Park, CA (United States). Rocketdyne Div.); Hudson, S.T. (NASA-Marshall Space Flight Center, Huntsville, AL (United States))

1993-07-01T23:59:59.000Z

387

An approach to configuring product family using rough set theory  

Science Journals Connector (OSTI)

Configuration design is one of the most important elements in the design for product family, with which designers could customise products for customers according to their specific requirements. The traditional approach to configuring products is based on configuration rules which reflect the mapping relations between customer requirements and design variables. But how to acquire the configuration rules is becoming the bottleneck. A kind of general way is to depend on design experts themselves to create such rules. It would take plenty of time for design experts to establish rules database. As such, this paper presents a framework of configuration design for product family through giving the variant components with different attribute values, in which the acquisition of configuration rules is connected with the idea of data mining using the rough set theory from large numbers of historical design data instead of the design expert's experience. It can help not only design experts but also novice designers analyse the dependence between customer requirements and design parameters, and acquire the configuration rules hidden in the historical data easily.

Bin Zhu; Pingyu Jiang

2005-01-01T23:59:59.000Z

388

QUANTIFICATION OF DEFORMATION-INDUCED SURFACE ROUGHENING USING MODIFIED ROUGHNESS PARAMETERS AND FOURIER FILTERING.  

E-Print Network [OSTI]

Surfaces of metal sheets initially contain high frequency, low amplitude roughness components imparted during the rolling process. When plastic deformation is imposed, the amplitude of these free surface components increases, producing various kinds of morphological features including randomness, periodicity and waviness. The features often control key functional aspects of a metal surface, such as reflected image clarity, lubricant transport, and spot weldability. The key to understanding the evolution of topographical features on plastically deformed sheet surfaces involves characterizing those features using appropriate quantitative measures. In this study, selected roughness characterization tools are used to 3-D surface roughening of 6022-T4 Al sheets deformed in plane strain. Modified roughness parameters, viz., peak-to-valley mean-height roughness (Rmh) and 10 % mean-height roughness (Rpv), were used to characterize roughness amplitude in order to overcome the deficiencies inherent with the root mean square roughness (Rq). A new approach, in which the roughness pattern is divided into several regimes, was also used to investigate the frequency components that provide the major contributions to surface roughening. The Fast Fourier

unknown authors

389

On the limiting aerodynamic roughness of the ocean in very strong winds  

E-Print Network [OSTI]

On the limiting aerodynamic roughness of the ocean in very strong winds M. A. Donelan,1 B. K. Haus January 2004; accepted 13 August 2004; published 28 September 2004. [1] The aerodynamic friction between, the ``aerodynamic roughness'') increases with the wind speed. Can one merely extrapolate this wind speed tendency

Saltzman, Eric

390

A rough set-based association rule approach implemented on exploring beverages product spectrum  

Science Journals Connector (OSTI)

When items are classified according to whether they have more or less of a characteristic, the scale used is referred to as an ordinal scale. The main characteristic of the ordinal scale is that the categories have a logical or ordered relationship to ... Keywords: Association rule, Data mining, Ordinal scale data processing, Product spectrum, Rough set, Rough set association rule

Shu-Hsien Liao, Yin-Ju Chen

2014-04-01T23:59:59.000Z

391

Maximum Class Separability for Rough-Fuzzy C-Means Based Brain MR Image Segmentation  

E-Print Network [OSTI]

Maximum Class Separability for Rough-Fuzzy C-Means Based Brain MR Image Segmentation Pradipta Maji of brain MR images. The RFCM algorithm comprises a judicious integration of the of rough sets, fuzzy sets with vagueness and incompleteness in class definition of brain MR images, the membership function of fuzzy sets

Pal, Sankar Kumar

392

The Position of Rough Set in Soft Set: A Topological Approach  

Science Journals Connector (OSTI)

In this paper, the author presents the concept of topological space that must be used to show a relation between rough set and soft set. There are two main results presented; firstly, a construction of a quasi-discrete topology using indiscernibility ... Keywords: Indiscernibility Relation, Quasi Discrete, Rough Set Theory, Soft Set Theory, Topological Space

Tutut Herawan

2012-07-01T23:59:59.000Z

393

Three-Way Decision: An Interpretation of Rules in Rough Set Theory  

E-Print Network [OSTI]

Three-Way Decision: An Interpretation of Rules in Rough Set Theory Yiyu Yao Department of Computer theory is to induce classification or de- cision rules that indicate the decision class of an object. A new interpretation of rules in rough set theory is intro- duced. According to the positive, boundary

Yao, Yiyu

394

Independent External Peer Review Report Rough River Dam 18 August 2011 ii  

E-Print Network [OSTI]

#12;Independent External Peer Review Report ­ Rough River Dam 18 August 2011 ii This page intentionally blank. #12;Independent External Peer Review Report ­ Rough River Dam 18 August 2011 iii Table.3 Preparation and Charge for Peer Review Panel 7 3.4 Performing the IEPR 8 3.5 Preparation and Review of Draft

US Army Corps of Engineers

395

Segmentation of Rough Surfaces Using a Polarization Imaging Patrick Terrier, Vincent Devlaminck, Jean Michel Charbois  

E-Print Network [OSTI]

methods, that do not require contact with the surface and allow for high measurement speed, have been, based on light scattering[4], our goal is not to measure precisely the roughness, but to obtain. INTRODUCTION The conventional method for measuring surface roughness consists in moving a stylus probe touching

Paris-Sud XI, Université de

396

Savannah River Tank Waste Residuals  

Broader source: Energy.gov (indexed) [DOE]

Savannah Savannah River Savannah River Tank Waste Residuals HLW Corporate Board November 6, 2008 1 November 6, 2008 Presentation By Sherri R. Ross Department of Energy Savannah River Operations Office The Issue * How clean is clean? * Ultimate Challenge - Justify highly radioactive radionuclides have been removed to the maximum extent practical? 2 removed to the maximum extent practical? - Building compelling regulatory documentation that will withstand intense scrutiny §3116 Requirements 1. Does not require disposal in deep geological repository 2. Highly radioactive radionuclides removed to the maximum extent practical 3. Meet the performance objectives in 10 CFR Part 3 3. Meet the performance objectives in 10 CFR Part 61, Subpart C 4. Waste disposed pursuant to a State-approved closure plan or permit Note: If it is anticipated that Class C disposal limits will be exceeded, additional

397

Near-field heat transfer between a nanoparticle and a rough surface  

E-Print Network [OSTI]

In this work we focus on the surface roughness correction to the near-field radiative heat transfer between a nanoparticle and a material with a rough surface utilizing a direct perturbation theory up to second order in the surface profile. We discuss the different distance regimes for the local density of states above the rough material and the heat flux analytically and numerically. We show that the heat transfer rate is larger than that corresponding to a flat surface at short distances. At larger distances it can become smaller due to surface polariton scattering by the rough surface. For distances much smaller than the correlation length of the surface profile, we show that the results converge to a proximity approximation, whereas in the opposite limit the rough surface can be replaced by an equivalent surface layer.

Svend-Age Biehs; Jean-Jacques Greffet

2011-03-11T23:59:59.000Z

398

?-Dominance relation and rough sets in interval-valued information systems  

Science Journals Connector (OSTI)

Abstract Though rough set has been widely used to study systems characterized by insufficient and incomplete information, its performance in dealing with initial interval-valued data needs to be seriously considered for improving the suitability and scalability. The aim of this paper is to present a parameterized dominance-based rough set approach to interval-valued information systems. First, by considering the degree that an interval-valued data is dominating another one, we propose the concept of ?-dominance relation. Second, we present the ?-dominance based rough set model in interval-valued decision systems. Finally, we introduce lower and upper approximate reducts into ?-dominance based rough set for simplifying decision rules, we also present the judgement theorems and discernibility functions, which describe how lower and upper approximate reducts can be calculated. This study suggests potential application areas and new research trends concerning rough set approach to interval-valued information systems.

Xibei Yang; Yong Qi; Dong-Jun Yu; Hualong Yu; Jingyu Yang

2015-01-01T23:59:59.000Z

399

Tests show production logging problems in horizontal gas wells  

SciTech Connect (OSTI)

A study has concluded that production logging tools employed to evaluate multiphase horizontal well production behavior should be carefully screened as to their response characteristics in fully-segregated, two-phase flow. The study, performed at Marathon Oil Co.'s petroleum technology center in Littleton, Colo., indicated that gas in highly deviated well bores segregates rapidly in the presence of water, creating a downhole environment that produces sporadic responses from full bore and diverter spinners as well as density and holdup tools. Gas Research Institute (GRI), as part of its horizontal gas well completion technology program, initiated the full-scale laboratory study to determine the severity and consequences of multiphase flow on tool response from horizontal well production. The paper discusses background of the problem, the test objectives, test facility, experimental procedures, single-phase flow, two-phase flow, and recommendations.

Branagan, P. (Branagan and Associates, Las Vegas, NV (United States)); Knight, B.L. (Marathon Oil Co., Littleton, CO (United States)); Aslakson, J. (Gas Research Inst., Chicago, IL (United States)); Middlebrook, M.L. (CER Corp., Las Vegas, NV (United States))

1994-01-10T23:59:59.000Z

400

Residual stress patterns in steel welds  

SciTech Connect (OSTI)

Neutron strain scanning of residual stress is a valuable nondestructive tool for evaluation of residual stress in welds. The penetrating characteristic of neutrons permits mapping of strain patterns with a spatial resolution approaching 1mm at depths of 20mm in steels. While the overall patterns of the residual stress tensor in a weld are understood, the detailed patterns depend on welding process parameters and the effects of solid state transformation. The residual strain profiles in two multi-pass austenitic welds and a ferritic steel weld are presented. The stress-free lattice parameters within the fusion zone and the adjacent heat affected zone in the two austenitic welds show that the interpretation of residual stress from strains are affected by welding parameters. An interpretation of the residual strain pattern in the ferritic steel plate can be made using the strain measurements of a Gleeble test bar which has undergone the solid state austenite decomposition.

Spooner, S.; Hubbard, C.R.; Wang, X.L.; David, S.A.; Holden, T.M. [Oak Ridge National Lab., TN (United States); Root, J.H.; Swainson, I. [Atomic Energy of Canada Ltd., Chalk River, ON (Canada)

1994-12-31T23:59:59.000Z

Note: This page contains sample records for the topic "logging residues rough" 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

Residual Toxicities of Insecticides to Cotton Insects.  

E-Print Network [OSTI]

the effects of simulated wind and rain on the residues. Tempera- ture and humidity conditions incident to the holding period were sufficient to destroy most of the residual toxicity of this material. Effect of Simulated Wind Among the chlorinated... hydrocarbon insecticides, there was little difference between the effects of simu- lated wind and rain on residual toxicities. However, it is likely that under field conditions the effects of rain would be more noticeable. Simulated wind was less damaging...

Hightower, B. G.; Gaines, J. C.

1960-01-01T23:59:59.000Z

402

Coal log pipeline research at the University of Missouri. 2nd quarterly report, April 4, 1995--June 30, 1995  

SciTech Connect (OSTI)

This report describes the accomplishments in coal log pipeline research and manufacturing. Flow results are included.

Liu, H.

1995-12-01T23:59:59.000Z

403

Residual Gas Mobility in Ormen Lange.  

E-Print Network [OSTI]

?? The topic of this report is "Mobility of Residual Gas in Ormen Lange" and it has been prepared as a part of the course (more)

Undeland, Elisabeth

2012-01-01T23:59:59.000Z

404

,,,"Residual Fuel Oil(b)",,,," Alternative...  

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

Standard Errors for Table 10.5;" " Unit: Percents." ,,,"Residual Fuel Oil(b)",,,," Alternative Energy Sources(c)" ,,,"Coal Coke" "NAICS"," ","Total","...

405

Methods of separating particulate residue streams  

DOE Patents [OSTI]

A particulate residue separator and a method for separating a particulate residue stream may include an air plenum borne by a harvesting device, and have a first, intake end and a second, exhaust end; first and second particulate residue air streams that are formed by the harvesting device and that travel, at least in part, along the air plenum and in a direction of the second, exhaust end; and a baffle assembly that is located in partially occluding relation relative to the air plenum and that substantially separates the first and second particulate residue air streams.

Hoskinson, Reed L. (Rigby, ID); Kenney, Kevin L. (Idaho Falls, ID); Wright, Christopher T. (Idaho Falls, ID); Hess, J. Richard (Idaho Falls, ID)

2011-04-05T23:59:59.000Z

406

Forward Modeling of the Induction Log Response of a Fractured Geologic Formation  

E-Print Network [OSTI]

3.1 Layered Earth Model The environment used for the induction log simulations is a layered Earth model. The model consists of six layers that are assigned different thicknesses and conductivities based on the desired induction log... Tx-Rx pair has a fixed separation and is moved along a vertical profile through the subsurface taking measurements at predetermined logging points. 20 The second change to the original Seatem code involves the surrounding environment. The code...

Bray, Steven Hunter

2013-05-02T23:59:59.000Z

407

Pressure Temperature Log At Silver Peak Area (DOE GTP) | Open Energy  

Open Energy Info (EERE)

source source History View New Pages Recent Changes All Special Pages Semantic Search/Querying Get Involved Help Apps Datasets Community Login | Sign Up Search Page Edit History Facebook icon Twitter icon » Pressure Temperature Log At Silver Peak Area (DOE GTP) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Pressure Temperature Log At Silver Peak Area (DOE GTP) Exploration Activity Details Location Silver Peak Area Exploration Technique Pressure Temperature Log Activity Date Usefulness not indicated DOE-funding Unknown References (1 January 2011) GTP ARRA Spreadsheet Retrieved from "http://en.openei.org/w/index.php?title=Pressure_Temperature_Log_At_Silver_Peak_Area_(DOE_GTP)&oldid=511053" Categories: Exploration Activities

408

Synthesis of Multipole Acoustic Logging Measurements Using the Generalized Reflection/Transmission Matrices Method  

E-Print Network [OSTI]

Synthesis of Multipole Acoustic Logging Measurements Using the Generalized Reflection analytical method that has been used in multipole waveform synthesis for radially multilayered formations

Torres-Verdín, Carlos

409

Density Log at Fish Lake Valley Area (DOE GTP) | Open Energy...  

Open Energy Info (EERE)

Fish Lake Valley Area (DOE GTP) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Density Log at Fish Lake Valley Area (DOE GTP) Exploration...

410

E-Print Network 3.0 - advanced logging workshop Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

ability to corrupt the log 12;les. We describe a ... Source: Schneier, Bruce - BT Group plc Collection: Computer Technologies and Information Sciences 22 Summary Workshop Report...

411

Neutron Log At Silver Peak Area (DOE GTP) | Open Energy Information  

Open Energy Info (EERE)

Neutron Log Activity Date Usefulness not indicated DOE-funding Unknown References (1 January 2011) GTP ARRA Spreadsheet Additional References Retrieved from "http:en.openei.org...

412

Temperatures and Natural Gamma-Ray Logs Obtained in 1986 from...  

Open Energy Info (EERE)

Changes in temperature logs run in July and September appear to result from fluid loss to the formation during and following drilling and possibly to ground shaking...

413

Density Log at Fort Bliss Area (DOE GTP) | Open Energy Information  

Open Energy Info (EERE)

Fort Bliss Area (DOE GTP) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Density Log at Fort Bliss Area (DOE GTP) Exploration Activity Details...

414

Assessment of secondary crop residues. Final report  

SciTech Connect (OSTI)

This report is the first of three reports assessing the feasibility of converting secondary agricultural residues to energy in the form of either methane gas or ethyl alcohol. Secondary agricultural residues are defined in this study as those residues resulting from biomass processing to produce primary products; e.g., whey from cheese processing, vegetable processing wastes, residues from paper pulping, etc. This report summarizes the first two phases of this study, data compilation, and evaluation. Subsequent reports will analyze the technical and economic feasibility of converting these residues to energy and the implementability of this technology. The industries for which data has been compiled in this report include vegetable, fruit, seafood, meat, poultry, and dairy processing and the pulp, paper, and paperboard industry. The data collected include raw product input, final processed product output, residue types, and quantity, residue concentration, biodegradability, seasonality of production, and geographic distribution of processing facilities. In general, these industries produce a relatively solid residue ranging in total solids concentration from 10 to 50% and a dilute liquid residue with an organic content (measured as COD or BOD) ranging from a few hundred to a few thousand mg/l. Due to the significant quantities of residues generated in each of the industries, it appears that the potential exists for generating a substantial quantity of energy. For a particular industry this quantity of energy can range from only one percent upwards to nearly thirty-five percent of the total processing energy required. The total processing energy required for the industries included in this study is approximately 2.5 quads per year. The potential energy which can be generated from these industrial residues will be 0.05 to 0.10 quads per year or approximately 2 to 4 percent of the total demand.

Ashare, E.; Leuschner, A.P.; West, C.E.; Langton, B.

1981-03-01T23:59:59.000Z

415

Matroidal structure of covering-based rough sets through the upper approximation number  

Science Journals Connector (OSTI)

Covering-based rough set theory is a generalisation of rough set theory. Matroids are based on linear algebra and graph theory, and have a variety of applications in many fields. In this paper, we introduce matroid theory to covering-based rough sets, and explore the matroidal structure and properties of covering-based rough sets. Specifically, we define the upper approximation number to establish the matroidal structure of covering-based rough sets. So many important concepts and methods in matroid theory can be employed to investigate covering-based rough sets. The rank plays a very important role in a matrix, so we use the rank function of the matroid induced by a covering to measure the covering. With the rank function, a pair of approximation operators, namely, matroid approximation operators, are constructed. This type of approximation operators not only inherits the properties of those traditional ones which are defined from the perspective of set theory, but also presents some new properties. Finally, the matroid upper approximations are compared with the second upper approximations in covering-based rough sets.

Shiping Wang; William Zhu

2011-01-01T23:59:59.000Z

416

Auto shredder residue recycling: Mechanical separation and pyrolysis  

Science Journals Connector (OSTI)

Directive 2000/53/EC sets a goal of 85% material recycling from end-of-life vehicles (ELVs) by the end of 2015. The current ELV recycling rate is around 80%, while the remaining waste is called automotive shredder residue (ASR), or car fluff. In Europe, this is mainly landfilled because it is extremely heterogeneous and often polluted with car fluids. Despite technical difficulties, in the coming years it will be necessary to recover materials from car fluff in order to meet the ELV Directive requirement. This study deals with ASR pretreatment and pyrolysis, and aims to determine whether the ELV material recycling target may be achieved by car fluff mechanical separation followed by pyrolysis with a bench scale reactor. Results show that flotation followed by pyrolysis of the light, organic fraction may be a suitable ASR recycling technique if the oil can be further refined and used as a chemical. Moreover, metals are liberated during thermal cracking and can be easily separated from the pyrolysis char, amounting to roughly 5% in mass. Lastly, pyrolysis can be a good starting point from a waste-to-chemicals perspective, but further research should be done with a focus on oil and gas refining, in order both to make products suitable for the chemical industry and to render the whole recycling process economically feasible.

Alessandro Santini; Fabrizio Passarini; Ivano Vassura; David Serrano; Javier Dufour; Luciano Morselli

2012-01-01T23:59:59.000Z

417

Predicting protein residueresidue contacts using deep networks and boosting  

Science Journals Connector (OSTI)

......structure prediction, protein residue-residue contacts...i.e. homologous proteins with known structure...train large boosted ensembles of DN classifiers achieving...advanced search of the Protein Data Bank filtering...contained fewer than 20% disordered residues (i.e. coordinates......

Jesse Eickholt; Jianlin Cheng

2012-12-01T23:59:59.000Z

418

Seismic Travel-Time Residuals and Plates  

Science Journals Connector (OSTI)

......United States, Canada and Greenland under the auspices of Project Vela Uniform (Long Range Seismic Measurements 1966). Arrival...1 that if we plot residuals on the focal sphere, we are at liberty to ascribe these residuals to source effects, receiver effects......

D. Davies; D. P. McKenzie

1969-09-01T23:59:59.000Z

419

Social Network Discovery from Multiple Log Data through a Behavior Model  

Science Journals Connector (OSTI)

This paper proposes a new framework for inferring social networks of smart phone users from log data on web browsing and mobile application execution. In the framework, a behavior model is built by taking into account the effects of homophily, other ... Keywords: social network, log analysis, behavior model

Tomonobu Ozaki; Minoru Etoh

2012-03-01T23:59:59.000Z

420

Department of Industrial & Manufacturing Engineering Spring 2011 Log Splitter Tank Quality Improvement  

E-Print Network [OSTI]

PENNSTATE Department of Industrial & Manufacturing Engineering Spring 2011 Log Splitter Tank around a central hydraulic tank which acts as the base of the log splitter. The tanks can leak due to poor weld integrity, further aggravated by stresses on the tank during towing. Also, internal rust

Demirel, Melik C.

Note: This page contains sample records for the topic "logging residues rough" 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

Synthesis of class-AB log-domain filters based on nonlinear transconductance  

Science Journals Connector (OSTI)

In this paper a new generalized method for synthesis of class-AB current-mode log-domain filters, using nonlinear transconductance cell, is presented. The proposed nonlinear transconductance cell is designed by employing floating-gate MOS (FG-MOS) transistors ... Keywords: Class-AB, Current splitter, Current-mode, Filter, Log-domain, Transconductance

E. Farshidi

2010-05-01T23:59:59.000Z

422

Integration of Geology, Rock-Physics, Logs, and Pre-stack Seismic for Reservoir Porosity Estimation  

E-Print Network [OSTI]

The main objective of this paper is to obtain reservoir properties, such as porosity, both at the well locations and in the inter-well regions from seismic data and well logs. The seismic and well-log datasets are from an ...

Al Muhaidib, Abdulaziz

2011-01-01T23:59:59.000Z

423

SIMULATION OF RESISTIVITY LOGGING-WHILE-DRILLING (LWD) MEASUREMENTS USING A SELF-ADAPTIVE  

E-Print Network [OSTI]

the electromagnetic response of geophysical resistivity logging instruments in a borehole environment in a borehole environment. The measurements are used to assess electrical properties of rock formations. Logging (see, for example, [7, 18] and references therein) to accurately solve a large class of engineering

Torres-Verdín, Carlos

424

The broad-band fractal nature of heterogeneity in the upper crust from petrophysical logs  

Science Journals Connector (OSTI)

......1991. Deep borehole log evidence for...heterogeneity and large-scale velocity...Continental Deep-Drilling (KTB) Holes...results, for the borehole data, show broad-band...spectral scaling in borehole logs, Geophys...23, 31193122. large-scale velocity......

Sean S. Dolan; Christopher J. Bean; Bruno Riollet

1998-03-01T23:59:59.000Z

425

Impact of assumption of log-normal distribution on monthly rainfall estimation from TMI  

E-Print Network [OSTI]

The log-normal assumption for the distribution of the rain rates used for the estimation of monthly rain totals proposed in Wilheit et al 1991 was examined. Since the log-normal assumption was originally used for the SSM/I, it is now necessary to re...

Lee, Dong Heon

2012-06-07T23:59:59.000Z

426

Weekly Security Incident Log Period of Nov 27 -Dec 2, 2012  

E-Print Network [OSTI]

was obtained. 11/28/2012 01:41 PM Suspicious Person 2012-002119 ROSS BUILDING - NORTH TOWER Private PropertyWeekly Security Incident Log Period of Nov 27 - Dec 2, 2012 Incident No. Reported Date Building:41 AM Theft, Under Weekly Security Incident Log Printed: 12/3/2012 3:18:11 PM 1 Period of Nov 27 - Dec 2

427

Vote Selling, Voter Anonymity, and Forensic Logging of Electronic Voting Machines  

E-Print Network [OSTI]

Vote Selling, Voter Anonymity, and Forensic Logging of Electronic Voting Machines Sean Peisert,bishop}@cs.ucdavis.edu Alec Yasinsac School of Computer and Information Sciences University of South Alabama yasinsac of electronic voting machines---forensic log­ ging and auditing---that, in concert with other el­ ements

Bishop, Matt

428

Vote Selling, Voter Anonymity, and Forensic Logging of Electronic Voting Machines  

E-Print Network [OSTI]

Vote Selling, Voter Anonymity, and Forensic Logging of Electronic Voting Machines Sean Peisert,bishop}@cs.ucdavis.edu Alec Yasinsac School of Computer and Information Sciences University of South Alabama yasinsac voting machines--forensic log- ging and auditing--that, in concert with other el- ements of the VVSG2007

Peisert, Sean

429

Cognition Based Collaboration Log for CSCW Datong Chen & Hans-Werner Gellersen  

E-Print Network [OSTI]

Cognition Based Collaboration Log for CSCW Datong Chen & Hans-Werner Gellersen Tec collaborative work. Analysis and recognition techniques are applied to the collected information and to obtain and stored in a special designed content-based multimedia database called collaboration log

Chen, Datong

430

Computing Reliability Distributions of Windowed Max-log-map (MLM) Detectors : ISI Channels  

E-Print Network [OSTI]

Computing Reliability Distributions of Windowed Max-log-map (MLM) Detectors : ISI Channels Fabian provide exact expressions for both i) the joint distribution of the MLM symbol reliabilities, and ii--detection, intersymbol inteference, max-log- map, probability distribution, reliability I. INTRODUCTION The max

Kavcic, Aleksandar

431

On the Feasibility of Eddy Current Characterization of the Near-Surface Residual Stress Distribution in Nickel-Base Superalloys  

SciTech Connect (OSTI)

In light of its frequency-dependent penetration depth, the measurement of eddy current conductivity has been suggested as a possible means to allow the nondestructive evaluation of subsurface residual stresses in shot-peened specimens. This technique is based on the so-called electroelastic effect, i.e., the stress-dependence of the electrical conductivity. Unfortunately, the relatively small ({approx}1%) change in electrical conductivity caused by the presence of compressive residual stresses is often distorted, or even completely overshadowed, by the accompanying conductivity loss caused by cold work and surface roughness effects. Recently, it was observed that, in contrast with most other materials, shot-peened Waspaloy and IN100 specimens exhibit an apparent increase in electrical conductivity at increasing inspection frequencies. This observation by itself indicates that in these materials the measured conductivity change is probably dominated by residual stress effects, since both surface roughness and increased dislocation density are known to decrease rather than increase the conductivity and the presence of crystallographic texture does not affect the electrical conductivity of these materials, which crystallize in cubic symmetry. Our preliminary experiments indicate that probably there exists a unique 'window of opportunity' for eddy current NDE in nickel-base superalloys. We identified five major effects that contribute to this fortunate constellation of material properties, which will be reviewed in this presentation.

Blodgett, Mark P. [Metals, Ceramics, and NDE Division, AFRL, Wright-Patterson Air Force Base, Dayton, Ohio 45433-7817 (United States); Nagy, Peter B. [Department of Aerospace Engineering and Engineering Mechanics, University of Cincinnati, Cincinnati, Ohio 45221-0070 (United States)

2004-02-26T23:59:59.000Z

432

Rough Set Based Information Retrieval from Argumentative Data Points in Sea Woo Kim*, Chin-Wan Chung  

E-Print Network [OSTI]

Rough Set Based Information Retrieval from Argumentative Data Points in Weblogs Sea Woo Kim*, Chin as an object oriented 3- Dimensional system. The goal of our approach is to generate rules from rough sets and to represent them in a 3-dimensional interactive program, Blog Cosmos. We used rough set theory as a candidate

Chung, Chin-Wan

433

The theory of rough sets, introduced by Pawlak in 1982, has recently emerged as a major mathe-  

E-Print Network [OSTI]

Preface The theory of rough sets, introduced by Pawlak in 1982, has recently emerged as a major. The focus of rough set theory is on the ambi- guity caused by limited discernibility of objects, rough set theory and granular computation has proven to be another soft com- puting tool which

Pal, Sankar Kumar

434

IEEE TRANSACTIONS ON FUZZY SYSTEMS, VOL. 15, NO. 1, FEBRUARY 2007 121 Fuzzy Rough Sets: The Forgotten Step  

E-Print Network [OSTI]

IEEE TRANSACTIONS ON FUZZY SYSTEMS, VOL. 15, NO. 1, FEBRUARY 2007 121 Fuzzy Rough Sets: The Forgotten Step Martine De Cock, Chris Cornelis, and Etienne E. Kerre Abstract--Traditional rough set theory-equivalence relation. However, none of the existing studies on fuzzy rough set theory tries to exploit the fact

Gent, Universiteit

435

On Sea Surface Roughness Parameterization and Its Effect on Tropical Cyclone Structure and Intensity  

E-Print Network [OSTI]

On Sea Surface Roughness Parameterization and Its Effect on Tropical Cyclone Structure and Earth Science and Technology, University of Hawaii at Manoa, Honolulu, HI 96822 Yihong Duan National 10, 2009 (Revised) Dateline Revised for Advances in Atmospheric Sciences Corresponding author

Wang, Yuqing

436

Application of fuzzy SOFM neural network and rough set theory on fault diagnosis for rotating machinery  

Science Journals Connector (OSTI)

This paper presents a new method that applies fuzzy logic, rough set theory and SOFM neural network to rotating machinery fault diagnosis. In this method, firstly, relationships between the fault causations and fault symptoms are established by fuzzy ...

Dongxiang Jiang; Kai Li; Gang Zhao; Jinhui Diao

2005-05-01T23:59:59.000Z

437

Using support vector machines and rough sets theory for classifying faulty types of diesel engine  

Science Journals Connector (OSTI)

Support vector machines (SVM) and rough sets theory (RST) are two emerging techniques in data analysis. The RST can deal with vague data and remove redundant attributes without losing any information of the data; and SVM has powerful classification ability. ...

Ping-Feng Pai; Yu-Ying Huang

2007-08-01T23:59:59.000Z

438

Improved Global Bathymetry, Global Sea Floor Roughness, and Deep Ocean Mixing  

E-Print Network [OSTI]

substantial kinetic energy in the M2 tide and a rough seaenergy of M2 tide .75integrated kinetic energy of the M 2 tide (J/m 2 ) Figure 4-

Becker, Joseph J

2008-01-01T23:59:59.000Z

439

Improved global bathymetry, global sea floor roughness, and deep ocean mixing  

E-Print Network [OSTI]

substantial kinetic energy in the M2 tide and a rough seaenergy of M2 tide .75integrated kinetic energy of the M 2 tide (J/m 2 ) Figure 4-

Becker, Joseph Jeffrey

2008-01-01T23:59:59.000Z

440

Reduction of vortex induced forces and motion through surface roughness control  

DOE Patents [OSTI]

Roughness is added to the surface of a bluff body in a relative motion with respect to a fluid. The amount, size, and distribution of roughness on the body surface is controlled passively or actively to modify the flow around the body and subsequently the Vortex Induced Forces and Motion (VIFM). The added roughness, when designed and implemented appropriately, affects in a predetermined way the boundary layer, the separation of the boundary layer, the level of turbulence, the wake, the drag and lift forces, and consequently the Vortex Induced Motion (VIM), and the fluid-structure interaction. The goal of surface roughness control is to decrease/suppress Vortex Induced Forces and Motion. Suppression is required when fluid-structure interaction becomes destructive as in VIM of flexible cylinders or rigid cylinders on elastic support, such as underwater pipelines, marine risers, tubes in heat exchangers, nuclear fuel rods, cooling towers, SPAR offshore platforms.

Bernitsas, Michael M; Raghavan, Kamaldev

2014-04-01T23:59:59.000Z

Note: This page contains sample records for the topic "logging residues rough" 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

Comprehensive Evaluation Model of Building Energy Efficiency Based on Rough Sets Theory  

E-Print Network [OSTI]

In order to improve the objectivity of building energy efficiency evaluation, this paper uses a new method to evaluate building energy efficiency on the basis of rough sets theory. The contribution of different subentry evaluation indicators...

Ding, L.; Ruan, X.; Huang, J.; Li, Y.

2006-01-01T23:59:59.000Z

442

Fuzzy Set Extensions of the Dominance-Based Rough Set Approach  

Science Journals Connector (OSTI)

Rough set theory has been proposed by Pawlak in ... operates on an information table composed of a set U of objects described by a set Q of condition and decision attributes. Decision attributes make a partition ...

Salvatore Greco; Benedetto Matarazzo

2008-01-01T23:59:59.000Z

443

Comparative Study on Mathematical Foundations of Type-2 Fuzzy Set, Rough Set and Cloud Model  

Science Journals Connector (OSTI)

Mathematical representation of a concept with uncertainty is one of foundations of Artificial Intelligence. The type-2 fuzzy set introduced by Mendel studies fuzziness of the membership grade of a concept. Rough

Deyi Li

2010-01-01T23:59:59.000Z

444

Wind Speed Retrieval Based on Sea Surface Roughness Measurements from Spaceborne Microwave Radiometers  

Science Journals Connector (OSTI)

Wind speed is the main factor responsible for the increase in ocean thermal emission because sea surface emissivity strongly depends on surface roughness. An alternative approach to estimate the surface wind speed (SWS) as a function of surface ...

Sungwook Hong; Inchul Shin

2013-02-01T23:59:59.000Z

445

Estimation of sector roughness lengths and the effect on prediction of the vertical wind speed profile  

Science Journals Connector (OSTI)

An estimate of roughness length is required by some atmospheric models and is also used in the logarithmic profile to determine the increase of wind speed with height under neutral conditions. The choice ... thei...

R. J. Barthelmie; J. P. Palutikof; T. D. Davies

1993-10-01T23:59:59.000Z

446

Enhancement of induced V polarization due to rough interfaces in polycrystalline V/Fe/V trilayers  

E-Print Network [OSTI]

, and polarized neutron reflectometry. Trilayer samples were sputter deposited onto Si substrates at room with the neutron and resonant x-ray data. Notably, this value for structurally rough interfaces is significantly

Haskel, Daniel

447

Use of Rough Sets and Spectral Data for Building Predictive Models of Reaction Rate Constants  

Science Journals Connector (OSTI)

A model for predicting the log of the rate constants for alkaline hydrolysis of organic esters has been developed with the use of gas-phase mid-infrared library spectra and a...

Collette, Timothy W; Szladow, Adam J

1994-01-01T23:59:59.000Z

448

Density Log at Alum Area (Moos & Ronne, 2010) | Open Energy Information  

Open Energy Info (EERE)

Moos & Ronne, 2010) Moos & Ronne, 2010) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Density Log at Alum Geothermal Area (Moos & Ronne, 2010) Exploration Activity Details Location Alum Geothermal Area Exploration Technique Density Log Activity Date Usefulness useful DOE-funding Unknown Notes Density, photo-electric factor (PEF), neutron, and gamma ray (GR) logs provided sufficient information to clearly delineate basement lithologic variations, suggesting that pulsed neutron logs may not in many cases be needed, and density and electrical resistivity data were important to calibrate structural models based on surface surveys. References Daniel Moos, Joel Ronne (2010) Selecting The Optimal Logging Suite For Geothermal Reservoir Evaluation- Results From The Alum 25-29 Well,

449

Pressure Temperature Log At Vale Hot Springs Area (Combs, Et Al., 1999) |  

Open Energy Info (EERE)

Vale Hot Springs Area (Combs, Et Al., 1999) Vale Hot Springs Area (Combs, Et Al., 1999) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Pressure Temperature Log At Vale Hot Springs Area (Combs, Et Al., 1999) Exploration Activity Details Location Vale Hot Springs Area Exploration Technique Pressure Temperature Log Activity Date Usefulness not indicated DOE-funding Unknown Notes Numerous temperature logs were taken with Sandia's platinum-resistance-thermometer (PRT) tool which along with a Sandia logging truck remained on-site for the entire project. Static temperature logs (no flow in hole) were done with this tool when coring operations were suspended for bit trips, rig maintenance, or other time intervals that would permit the hole to warm up near its static temperature K580gradient.

450

Resistivity Log At Long Valley Caldera Area (Sorey, Et Al., 1991) | Open  

Open Energy Info (EERE)

Resistivity Log At Long Valley Caldera Area (Sorey, Resistivity Log At Long Valley Caldera Area (Sorey, Et Al., 1991) Exploration Activity Details Location Long Valley Caldera Area Exploration Technique Resistivity Log Activity Date Usefulness could be useful with more improvements DOE-funding Unknown Notes Lithologic and resistivity logs from wells drilled into areas of less than 20 ohm-m resistivity show clay mineralization resulting from hydrothermal alteration within the volcanic fill (Nordquist, 1987). Low resistivity in the vicinity of well 44-16, identified in wellbore geophysical logs and two dimensional MT modeling is restricted to the thermal-fluid reservoirs in the early rhyolite and Bishop Tuff (Nordquist, 1987; Suemnicht, 1987). The MT data suggest that the resistivity structure near Mammoth Mountain is

451

Geophysical logging case history of the Raft River geothermal system, Idaho  

Open Energy Info (EERE)

Geophysical logging case history of the Raft River geothermal system, Idaho Geophysical logging case history of the Raft River geothermal system, Idaho Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Report: Geophysical logging case history of the Raft River geothermal system, Idaho Details Activities (1) Areas (1) Regions (0) Abstract: Drilling to evaluate the geothermal resource in the Raft River Valley began in 1974 and resulted in the discovery of a geothermal reservoir at a depth of approximately 1523 m (500 ft). Several organizations and companies have been involved in the geophysical logging program. There is no comprehensive report on the geophysical logging, nor has there been a complete interpretation. The objectives of this study are to make an integrated interpretation of the available data and compile a case history. Emphasis has been on developing a simple interpretation

452

Pressure Temperature Log At Mccoy Geothermal Area (DOE GTP) | Open Energy  

Open Energy Info (EERE)

Pressure Temperature Log At Mccoy Geothermal Area (DOE GTP) Pressure Temperature Log At Mccoy Geothermal Area (DOE GTP) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Pressure Temperature Log At Mccoy Geothermal Area (DOE GTP) Exploration Activity Details Location Mccoy Geothermal Area Exploration Technique Pressure Temperature Log Activity Date Usefulness not indicated DOE-funding Unknown References (1 January 2011) GTP ARRA Spreadsheet Retrieved from "http://en.openei.org/w/index.php?title=Pressure_Temperature_Log_At_Mccoy_Geothermal_Area_(DOE_GTP)&oldid=511052" Categories: Exploration Activities DOE Funded Activities ARRA Funded Activities What links here Related changes Special pages Printable version Permanent link Browse properties 429 Throttled (bot load) Error 429 Throttled (bot load)

453

U-039: ISC Update: BIND 9 Resolver crashes after logging an error in  

Broader source: Energy.gov (indexed) [DOE]

9: ISC Update: BIND 9 Resolver crashes after logging an error 9: ISC Update: BIND 9 Resolver crashes after logging an error in query.c U-039: ISC Update: BIND 9 Resolver crashes after logging an error in query.c November 16, 2011 - 2:30pm Addthis PROBLEM: ISC Update: BIND 9 Resolver crashes after logging an error in query.c. PLATFORM: Versions of BIND, 9.4-ESV, 9.6-ESV, 9.7.x, 9.8.x ABSTRACT: A remote server can cause the target connected client to crash. Organizations across the Internet are reporting crashes interrupting service on BIND 9 nameservers performing recursive queries. Affected servers crash after logging an error in query.c with the following message: "INSIST(! dns_rdataset_isassociated(sigrdataset))" Multiple versions are reported as being affected, including all currently supported release versions of ISC BIND 9. ISC is actively investigating the root cause and

454

Acoustic Logs At Alum Area (Moos & Ronne, 2010) | Open Energy Information  

Open Energy Info (EERE)

Acoustic Logs At Alum Geothermal Area (Moos & Ronne, Acoustic Logs At Alum Geothermal Area (Moos & Ronne, 2010) Exploration Activity Details Location Alum Geothermal Area Exploration Technique Acoustic Logs Activity Date Usefulness useful DOE-funding Unknown Notes The results revealed that acoustic images are superior to electrical images to detect structurally important natural fractures and stress-induced wellbore breakouts and tensile wall fractures, and were adequate to detect stratigraphic features. References Daniel Moos, Joel Ronne (2010) Selecting The Optimal Logging Suite For Geothermal Reservoir Evaluation- Results From The Alum 25-29 Well, Nevada Retrieved from "http://en.openei.org/w/index.php?title=Acoustic_Logs_At_Alum_Area_(Moos_%26_Ronne,_2010)&oldid=510215" Categories: Exploration Activities

455

Well log interpretation of certain geothermal fields in the Imperial Valley, California  

SciTech Connect (OSTI)

This study reviews the wireline log responses of some geothermal fields in the Imperial Valley, California. The fields under study include the Heber, the East Mesa, the Brawley, and the Westmoreland. The well logs used in the study did not include all the wireline surveys obtained by the operators. The selected well logs obtained under special arrangements with the operators were chosen to maintain the anonymity of specific well locations but are only representative of each area. Analysis of the well logs indicates that on an individual field basis, the well logs are excellent for correlation purposes. The presence of extremely saline fluids in some fields precludes the monitoring of Q/sub v/ (cation exchange capacity per unit volume) profile for detection of hydrothermally altered zones. The producing sections in all the fields are characterized by low porosity and high resistivity.

Ershaghi, I.; Abdassah, D.

1984-03-01T23:59:59.000Z

456

Cross-Dipole Acoustic Log At Alum Area (Moos & Ronne, 2010) | Open Energy  

Open Energy Info (EERE)

Dipole Acoustic Log At Alum Area (Moos & Ronne, 2010) Dipole Acoustic Log At Alum Area (Moos & Ronne, 2010) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Cross-Dipole Acoustic Log At Alum Geothermal Area (Moos & Ronne, 2010) Exploration Activity Details Location Alum Geothermal Area Exploration Technique Cross-Dipole Acoustic Log Activity Date Usefulness useful DOE-funding Unknown Notes A crossed-dipole acoustic log detected stress induced anisotropy in the sediments, and also appeared to be able to identify and orient steeply dipping, compliant and therefore possibly conductive fractures in basement rocks. Because the shear-wave velocity was extremely low throughout most of the sedimentary section dipole data was required for its determination. The analysis results, which included a stress determination based on an

457

Well Log Techniques At Snake River Plain Region (DOE GTP) | Open Energy  

Open Energy Info (EERE)

Well Log Techniques At Snake River Plain Region (DOE GTP) Well Log Techniques At Snake River Plain Region (DOE GTP) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Well Log Techniques At Snake River Plain Region (DOE GTP) Exploration Activity Details Location Snake River Plain Geothermal Region Exploration Technique Well Log Techniques Activity Date Usefulness not indicated DOE-funding Unknown References (1 January 2011) GTP ARRA Spreadsheet Retrieved from "http://en.openei.org/w/index.php?title=Well_Log_Techniques_At_Snake_River_Plain_Region_(DOE_GTP)&oldid=600470" Categories: Exploration Activities DOE Funded Activities ARRA Funded Activities What links here Related changes Special pages Printable version Permanent link Browse properties 429 Throttled (bot load) Error 429 Throttled (bot load)

458

U-038: BIND 9 Resolver crashes after logging an error in query.c |  

Broader source: Energy.gov (indexed) [DOE]

8: BIND 9 Resolver crashes after logging an error in query.c 8: BIND 9 Resolver crashes after logging an error in query.c U-038: BIND 9 Resolver crashes after logging an error in query.c November 16, 2011 - 8:37am Addthis PROBLEM: BIND 9 Resolver crashes after logging an error in query.c. PLATFORM: Multiple version of BIND 9. Specific versions under investigation ABSTRACT: A remote server can cause the target connected client to crash. Organizations across the Internet are reporting crashes interrupting service on BIND 9 nameservers performing recursive queries. Affected servers crash after logging an error in query.c with the following message: "INSIST(! dns_rdataset_isassociated(sigrdataset))" Multiple versions are reported as being affected, including all currently supported release versions of ISC BIND 9. ISC is actively investigating the root cause and

459

Roughness-induced Transient Growth: Continuous-spectrum Receptivity and Secondary Instability Analysis  

E-Print Network [OSTI]

] investigated the boundary layer response to an array of roughness elements that were both repeatable and of significant size. He arranged an array of spheres on a flat plate and contrasted results with single spheres and multi-sphere arrays. These spheres....S., Case Western Reserve University Chair of Advisory Committee: Dr. Edward White This dissertation analyzes the effect of periodic roughness elements on the stability of a flat plate boundary layer. Receptivity data is extracted from direct numerical...

Denissen, Nicholas Allen

2012-07-16T23:59:59.000Z

460

Mapping Residual Structure in Intrinsically Disordered Proteins at Residue Resolution Using Millisecond Hydrogen/Deuterium Exchange and Residue Averaging  

Science Journals Connector (OSTI)

Measurement of residual structure in intrinsically disordered proteins can provide insights into the mechanisms by which such proteins undergo coupled binding and folding. The present ... describes an approach to...

Theodore R. Keppel; David D. Weis

2014-12-01T23:59:59.000Z

Note: This page contains sample records for the topic "logging residues rough" 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

Modeling shallow?water propagation with an appropriate sea?surface roughness spectrum  

Science Journals Connector (OSTI)

Predictions for shallow?water acoustic propagation are usually accomplished assuming a deep?water spectrum for the sea surface roughness. In addition the effect of surface roughness is normally included through a loss mechanism. However for waveguide propagation the surface roughness mainly causes a redistribution of energy and therefore the use of an accurate model to handle roughness is essential to obtaining accurate results. In order to properly model shallow?water surface roughness the parametric spectrum GONO [Sanders and Bruinsma Wave Dynamics and Radio Probing of the Ocean Surface edited by O. M. Phillips and K. Hassemann (Plenum New York 1986) pp. 615637] has been implemented. This spectrum is appropriate for wind?driven surfaces in waters ranging in depth from 15 to 100 m. To investigate the impact that different spectra has on the propagating field predictions using GONO and PiersonMoskowitz spectra are compared for different environments and at frequencies typical of active and passive sonars. An acoustic propagationmodel which includes a conformal mapping algorithm to properly handle sea surface roughness [Norton et al. J. Acoust. Soc. Am. 97 21732180 (1995)] is used to generate the numerical results. [Work supported by ONR.

Guy V. Norton; Jorge C. Novarini

1996-01-01T23:59:59.000Z

462

Predicting residual stresses in gas turbine components  

Science Journals Connector (OSTI)

This article describes work carried out by a major aircraft-engine builder and one of its suppliers to validate the numerical prediction of heat-treatment-induced residual stresses. For verification, the proje...

R. A. Wallis Ph.D.; I. W. Craighead B.Sc. Eng.

1995-10-01T23:59:59.000Z

463

SAR impulse response with residual chirps.  

SciTech Connect (OSTI)

A Linear Frequency-Modulated (LFM) chirp is a function with unit amplitude and quadratic phase characteristic. In a focused Synthetic Aperture Radar (SAR) image, a residual chirp is undesired for targets of interest, as it coarsens the manifested resolution. However, for undesired spurious signals, a residual chirp is often advantageous because it spreads the energy and thereby diminishes its peak value. In either case, a good understanding of the effects of a residual LFM chirp on a SAR Impulse Response (IPR) is required to facilitate system analysis and design. This report presents an analysis of the effects of a residual chirp on the IPR. As reference, there is a rich body of publications on various aspects of LFM chirps. A quick search reveals a plethora of articles, going back to the early 1950s. We mention here purely as trivia one of the earlier analysis papers on this waveform by Klauder, et al.

Doerry, Armin Walter

2009-06-01T23:59:59.000Z

464

Mechanisms of hydrocracking of heavy oil residues  

Science Journals Connector (OSTI)

Based on research data, a technology of low-pressure residual fuel oil hydrocracking with a suspended catalyst has been developed. The process has been refined on a laboratory setup. The reaction kinetics has ...

Kh. I. Abad-zade; F. M. Velieva

2009-07-01T23:59:59.000Z

465

Residual stress in nanocrystalline nickel tungsten electrodeposits  

E-Print Network [OSTI]

Characterizing the residual stress of thick nanocrystalline electrodeposits poses several unique challenges due to their fine grain structure, thickness distribution, and matte surface. We employ a three-dimensional ...

Ziebell, Tiffany D. (Tiffany Dawn)

2011-01-01T23:59:59.000Z

466

Coal log pipeline research at the University of Missouri. 1st Quarterly report for 1995, January 1, 1995--March 31, 1995  

SciTech Connect (OSTI)

Work continued on the study of coal log pipeline research. Individual projects described include fast compaction of coal logs; effect of cooling on coal log quality; coal log capping; effectiveness of adding fiber to enhance coal log quality; fabrication using hydrophobic binders; cost estimation of different lubricants; automatic control of coal log pipeline system; CLP design; coal log train transport; economics of coal log pipeline; legal aspects; heating, cooling, and drying of logs; vacuum systems to enhance production; design; and effect of piston modification on capping.

Liu, H.

1995-08-01T23:59:59.000Z

467

ABSTRACT: Bioenergy Harvesting Technologies to Supply Crop Residues...  

Broader source: Energy.gov (indexed) [DOE]

ABSTRACT: Bioenergy Harvesting Technologies to Supply Crop Residues In a Densified Large Square Bale Format ABSTRACT: Bioenergy Harvesting Technologies to Supply Crop Residues In a...

468

Grade Assignments for Models Used for Calibration of Gross-Count Gamma-Ray Logging Systems (December 1983)  

Broader source: Energy.gov [DOE]

Grade Assignments for Models Used for Calibration of Gross-Count Gamma-Ray Logging Systems (December 1983)

469

Automatic determination about precision parameter value based on inclusion degree with variable precision rough set model  

Science Journals Connector (OSTI)

Abstract The rough set theory provides a powerful approach for attributes reduction and data analysis. The variable precision rough set (VPRS) model, an extension of the original rough set approach, tolerates misclassifications of the training data to some degree, which promotes the applications of rough set theory in inconsistent information systems. However, in most existing algorithms of feature reduction based on VPRS, the precision parameter (?) is introduced as prior knowledge, which restricts their applications because it is not clear how to set the ? value. By studying ?-consistency in the measurement of a decision table and the threshold value of the ?-consistent decision table, this paper presents an algorithm for automatic determination of the precision parameter value from a decision table based on VPRS. At the same time, the precision parameter value from our proposed method is compared with the thresholds from the decision-theoretic rough set (DTRS). The influences of the precision parameter are also discussed on attribute reduction, which shows the necessity of the estimated precision parameter from a decision table. The simulation results including VPRS and other classification methods in real data further indicate that different precision parameter values make a great difference on rules and setting a precise parameter near the threshold value of the ?-consistent decision table can precisely reflect the decision distribution of the decision table.

Yusheng Cheng; Wenfa Zhan; Xindong Wu; Yuzhou Zhang

2015-01-01T23:59:59.000Z

470

Residual turbulence from velocity shear stabilized interchange instabilities  

SciTech Connect (OSTI)

The stabilizing effect of velocity shear on the macroscopic, broad bandwidth, ideal interchange instability is studied in linear and nonlinear regimes. A 2D dissipative magnetohydrodynamic (MHD) code is employed to simulate the system. For a given flow shear, V Prime , linear growth rates are shown to be suppressed to below the shear-free level at both the small and large wavelengths. With increasing V Prime , the unstable band in wavenumber-space shrinks so that the peak growth results for modes that correspond to relatively high wavenumbers, on the scale of the density gradient. In the nonlinear turbulent steady state, a similar turbulent spectrum obtains, and the convection cells are roughly circular. In addition, the density fluctuation level and the degree of flattening of the initial inverted density profile are found to decrease as V Prime increases; in fact, unstable modes are almost completely stabilized and the density profile reverts to laminar when V Prime is a few times the classic interchange growth rate. Moreover, the turbulent particle flux diminishes with increasing velocity shear such that all the flux is carried by the classical diffusive flux in the asymptotic limit. The simulations are compared with measurements of magnetic fluctuations from the Maryland Centrifugal Experiment, MCX, which investigated interchange modes in the presence of velocity shear. The experimental spectral data, taken in the plasma edge, are in general agreement with the numerical data obtained in higher viscosity simulations for which the level of viscosity is chosen consistent with MCX Reynolds numbers at the edge. In particular, the residual turbulence in both cases is dominated by elongated convection cells. Finally, concomitant Kelvin-Helmholtz instabilities in the system are also examined. Complete stability to interchanges is obtained only in the parameter space wherein the generalized Rayleigh inflexion theorem is satisfied.

Hung, C. P.; Hassam, A. B. [University of Maryland at College Park, College Park, Maryland 20742 (United States)

2013-01-15T23:59:59.000Z

471

Acoustic Logs At Newberry Caldera Area (Combs, Et Al., 1999) | Open Energy  

Open Energy Info (EERE)

Acoustic Logs At Newberry Caldera Area (Combs, Et Al., 1999) Acoustic Logs At Newberry Caldera Area (Combs, Et Al., 1999) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Acoustic Logs At Newberry Caldera Area (Combs, Et Al., 1999) Exploration Activity Details Location Newberry Caldera Area Exploration Technique Acoustic Logs Activity Date Usefulness could be useful with more improvements DOE-funding Unknown Notes The acoustic borehole televiewer (BHTV) was run twice in the wellbore with limited success. There were several problems with the tool's fimctions, but images were successfully obtained over the interval from 2748' to 3635'. References Jim Combs, John T. Finger, Colin Goranson, Charles E. Hockox Jr., Ronald D. Jacobsen, Gene Polik (1999) Slimhole Handbook- Procedures And Recommendations For Slimhole Drilling And Testing In Geothermal Exploration

472

Nonprofit Organizations: Have Your Los Alamos Employees/Retirees Log Hours  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Nonprofit Organizations: Have Your Los Alamos Employees/Retirees Log Nonprofit Organizations: Have Your Los Alamos Employees/Retirees Log Hours in VolunteerMatch Community Connections: Our link to Northern New Mexico Communities Latest Issue:Dec. 2013 - Jan. 2014 All Issues » submit Nonprofit Organizations: Have Your Los Alamos Employees/Retirees Log Hours in VolunteerMatch Lab employees and retirees should log their VolunteerMatch hours to benefit local nonprofits. March 1, 2013 Volunteers help fill sandbags during flood season Volunteers help in many different roles including in healthcare. Contacts Editor Linda Anderman Email Community Programs Office Kurt Steinhaus Email So far, employees and retirees have volunteered more than 1.2 million volunteer hours. If you are a nonprofit organization that has Lab employees or retirees as

473

Neutron Log At Fort Bliss Area (Combs, Et Al., 1999) | Open Energy  

Open Energy Info (EERE)

Area (Combs, Et Al., 1999) Area (Combs, Et Al., 1999) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Neutron Log At Fort Bliss Area (Combs, Et Al., 1999) Exploration Activity Details Location Fort Bliss Area Exploration Technique Neutron Log Activity Date Usefulness not indicated DOE-funding Unknown Notes Three principal types of data were obtained from this drilling project: core samples of the lithology penetrated by the holes, records of drilling behavior (such as water level in the hole, changes in rate of penetration etc.), and multiple temperature logs (both during and after drilling) in each well. A suite of geophysical logs (gamma ray, neutron, sonic, and resistivity) was also run after completion of drilling. References Jim Combs, John T. Finger, Colin Goranson, Charles E. Hockox Jr.,

474

"Tier","PRIORITY","Total Tickets Logged","Tickets Closed","Currently...  

Broader source: Energy.gov (indexed) [DOE]

"TOTAL",,255,261,0 "SCR",,255,255,0 ,,0.9843137255,0.9616858238 "Total Issues Report - ESS",,,,"20120101 - 20120418" "Tier","PRIORITY","Total Tickets Logged","Tickets...

475

UMD WebAssign -General Information Logging into the WebAssign system  

E-Print Network [OSTI]

UMD WebAssign - General Information · Logging into the WebAssign system o If you registered for the course later than the day before classes started you will not yet be enrolled in the course on Web

Johnson, Raymond L.

476

Characterization of the Germania Spraberry unit from analog studies and cased-hole neutron log data  

E-Print Network [OSTI]

a dependent variable (permeability) from multiple independent variables (rock type, shale volume and porosity) will also be investigated in this study. A log data base includes digitized formats of gamma ray, cased hole neutron, limited resistivity...

Olumide, Babajide Adelekan

2005-11-01T23:59:59.000Z

477

Interpretation of some wireline logs in geothermal fields of the Imperial Valley, California  

SciTech Connect (OSTI)

This study reviews the wireline log responses of some geothermal fields in the Imperial Valley, California. The fields under study include the Heber, the East Mesa, the Brawley and the Westmoreland. The selected well logs obtained under special arrangements with the operators were chosen to maintain the anonymity of specific well locations but are only representative of each area. Analysis of the well logs indicate that on an individual field basis, the well logs are excellent for correlation purposes. The presence of extremely saline fluids in some fields precludes the monitoring of Q /SUB V/ profile for detection of hydrothermally altered zones. The producing sections in all the fields are characterized by low porosity and high resistivity.

Ershaghi, I.; Abdassah, D.

1983-03-01T23:59:59.000Z

478

In cooperation with the University of Waterloo, Canada Application of Advanced Geophysical Logging Methods  

E-Print Network [OSTI]

.S. Geological Survey #12;2 Figure 1. Location of Rocketdyne Santa Susana Field Laboratory and logged boreholes sandstone and mudstone at the Rocketdyne Santa Susana Field ,, in southern Ventura County, California (fig

Singha, Kamini

479

Approximate Effects of Off-Center Acoustic Sondes and Elliptic Boreholes Upon Full Waveform Logs  

E-Print Network [OSTI]

Full waveform acoustic well logging has become instrumental to hydrocarbon exploration because of its ability to determine in situ velocity information for P and S waves as well as the attenuation (or absorption) of seismic ...

Willis, M. E.

1983-01-01T23:59:59.000Z

480

Characteristic fuel consumption and exhaust emissions in fully mechanized logging operations  

Science Journals Connector (OSTI)

A study was done using eight different logging machines (harvesters and forwarders) in clear-felling operations to quantify the associated fuel consumption, and to define the inherent relationship between engine ...

Radomir Klvac; Alois Skoupy

2009-12-01T23:59:59.000Z

Note: This page contains sample records for the topic "logging residues rough" 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

Lithology and well log study of Campbell E-2 geothermal test...  

Open Energy Info (EERE)

well log study of Campbell E-2 geothermal test well, Humboldt House geothermal prospect, Pershing County, Nevada Jump to: navigation, search OpenEI Reference LibraryAdd to library...

482

Formation evaluation using wavelet analysis on logs of the Chinji and Nagri Formations, northern Pakistan  

E-Print Network [OSTI]

The relatively new method of using wavelets in well log analysis is a powerful tool for defining multiple superimposed scales of lithic trends and contacts. Interpreting depositional processes associated with different scales of vertical variation...

Tanyel, Emre Doruk

2006-10-30T23:59:59.000Z

483

Correction of non-equilibrated temperature logs and implications for geothermal investigations  

Science Journals Connector (OSTI)

Optimum data for any geothermal investigation are densely sampled, high precision temperature logs from boreholes. They should represent the formation temperature as accurately as possible. Often, temperature measurements influenced by the drilling process and the circulation do not have the quality which is required for geothermal methods. Horner's method is a widely used correction method that is based on analysis of a time series of temperature observations. Mostly, these data are not available and a correction is therefore not possible. The approach presented here enables us to correct entire temperature logs even if no repeat measurements were carried out. This is achieved by combination of the theory of Horner's method with estimates for radial heat flow. Given a large number of technically perturbed logs this new approach enlarges considerably the potential database suitable for geothermal methods. The implications for two important fields of application are also discussed. These are fluid flow analysis and analysis of the ground surface temperature history on temperature logs.

Andrei Zschocke

2005-01-01T23:59:59.000Z

484

Using Domain Models for Context-Rich User Logging Stephen Dignum  

E-Print Network [OSTI]

Traversal, User Logging 1. INTRODUCTION Searches within document collections like intranets differ from amount of time is spent by users trying to learn the domain characteristics even before they are able

Kruschwitz, Udo

485

Station location map and audio-magnetotelluric data log for Rye...  

Open Energy Info (EERE)

location map and audio-magnetotelluric data log for Rye Patch known geothermal resource area Jump to: navigation, search OpenEI Reference LibraryAdd to library Map: Station...

486

E-print Network Web Log News: Research Communications for Scientists...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Website Policies and Important Links E-print Web Log E-print Network News E-print Network About Search Browse by Discipline Find Scientific Societies Receive E-print Alerts Contact...

487

COMPARISON OF ACOUSTIC AND ELECTRICAL IMAGE LOGS FROM THE COSO GEOTHERMAL  

Open Energy Info (EERE)

source source History View New Pages Recent Changes All Special Pages Semantic Search/Querying Get Involved Help Apps Datasets Community Login | Sign Up Search Page Edit History Facebook icon Twitter icon » COMPARISON OF ACOUSTIC AND ELECTRICAL IMAGE LOGS FROM THE COSO GEOTHERMAL FIELD, CA Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Conference Proceedings: COMPARISON OF ACOUSTIC AND ELECTRICAL IMAGE LOGS FROM THE COSO GEOTHERMAL FIELD, CA Details Activities (1) Areas (1) Regions (0) Abstract: Electrical and acoustic image logs collected from well 58A-10 in crystalline rock on the eastern margin of the Coso Geothermal Field, CA, reveal different populations of planar structures intersecting the borehole. Electrical image logs appear to be sensitive to variations in

488

ITTF-016 Website Development-Maintenance Log 09_0909 EOTA - Business Form  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

6 Website Development-Maintenance Log 09_0909 6 Website Development-Maintenance Log 09_0909 EOTA - Business Form Document Title: ITTP-015 Web Site Development / Maintenance Document Number: Website Development and Maintenance log ITT Melissa Otero N/A Referenced Documents: Parent Document: ITTF-016 Rev. 11_0419 Approvers: Melissa Otero Document Owner: Ben Aragon Backup Owner: Notify of Changes: A B 08_0818 Revision History: Rev. Description of Change Intitial Release. Added headings to address to include: Performance Requirements, Statutory and Regulatory Requirements, Information from Previous Similar Designs, and Other Requirements. Added additional column to indicate "Estimated Completion Date" of WSD projects. "Design Verification Complete" and "Design Validation Complete" columns removed from log.

489

Gamma Log At Raft River Geothermal Area (1979) | Open Energy Information  

Open Energy Info (EERE)

Gamma Log At Raft River Geothermal Area (1979) Gamma Log At Raft River Geothermal Area (1979) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Gamma Log At Raft River Geothermal Area (1979) Exploration Activity Details Location Raft River Geothermal Area Exploration Technique Gamma Log Activity Date 1979 Usefulness useful DOE-funding Unknown Exploration Basis To allow for the lateral and vertical extrapolation of core and test data and bridged the gap between surface geophysical data and core analyses. Notes Borehole gamma spectrometry can be used to identify anomalous concentration of uranium, thorium, and potassium which are probably due to transportation by hydrothermal solutions. Computer crossplotting was used as an aid to the identification of such rock types as quartzite, quartz monzonite, and

490

Gamma Log At Fort Bliss Area (Combs, Et Al., 1999) | Open Energy  

Open Energy Info (EERE)

Fort Bliss Area (Combs, Et Al., 1999) Fort Bliss Area (Combs, Et Al., 1999) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Gamma Log At Fort Bliss Area (Combs, Et Al., 1999) Exploration Activity Details Location Fort Bliss Area Exploration Technique Gamma Log Activity Date Usefulness not indicated DOE-funding Unknown Notes Three principal types of data were obtained from this drilling project: core samples of the lithology penetrated by the holes, records of drilling behavior (such as water level in the hole, changes in rate of penetration etc.), and multiple temperature logs (both during and after drilling) in each well. A suite of geophysical logs (gamma ray, neutron, sonic, and resistivity) was also run after completion of drilling. References Jim Combs, John T. Finger, Colin Goranson, Charles E. Hockox Jr.,

491

Disposal of Rocky Flats residues as waste  

SciTech Connect (OSTI)

Work is underway at the Rocky Flats Plant to evaluate alternatives for the removal of a large inventory of plutonium-contaminated residues from the plant. One alternative under consideration is to package the residues as transuranic wastes for ultimate shipment to the Waste Isolation Pilot Plant. Current waste acceptance criteria and transportation regulations require that approximately 1000 cubic yards of residues be repackaged to produce over 20,000 cubic yards of WIPP certified waste. The major regulatory drivers leading to this increase in waste volume are the fissile gram equivalent, surface radiation dose rate, and thermal power limits. In the interest of waste minimization, analyses have been conducted to determine, for each residue type, the controlling criterion leading to the volume increase, the impact of relaxing that criterion on subsequent waste volume, and the means by which rules changes may be implemented. The results of this study have identified the most appropriate changes to be proposed in regulatory requirements in order to minimize the costs of disposing of Rocky Flats residues as transuranic wastes.

Dustin, D.F.; Sendelweck, V.S. [EG and G Rocky Flats, Inc., Golden, CO (United States). Rocky Flats Plant; Rivera, M.A. [Lamb Associates, Inc., Rockville, MD (United States)

1993-03-01T23:59:59.000Z

492

Disposal of Rocky Flats residues as waste  

SciTech Connect (OSTI)

Work is underway at the Rocky Flats Plant to evaluate alternatives for the removal of a large inventory of plutonium-contaminated residues from the plant. One alternative under consideration is to package the residues as transuranic wastes for ultimate shipment to the Waste Isolation Pilot Plant. Current waste acceptance criteria and transportation regulations require that approximately 1000 cubic yards of residues be repackaged to produce over 20,000 cubic yards of WIPP certified waste. The major regulatory drivers leading to this increase in waste volume are the fissile gram equivalent, surface radiation dose rate, and thermal power limits. In the interest of waste minimization, analyses have been conducted to determine, for each residue type, the controlling criterion leading to the volume increase, the impact of relaxing that criterion on subsequent waste volume, and the means by which rules changes may be implemented. The results of this study have identified the most appropriate changes to be proposed in regulatory requirements in order to minimize the costs of disposing of Rocky Flats residues as transuranic wastes.

Dustin, D.F.; Sendelweck, V.S. (EG and G Rocky Flats, Inc., Golden, CO (United States). Rocky Flats Plant); Rivera, M.A. (Lamb Associates, Inc., Rockville, MD (United States))

1993-01-01T23:59:59.000Z

493

Fluid flow at the interface between elastic solids with randomly rough surfaces  

E-Print Network [OSTI]

I study fluid flow at the interface between elastic solids with randomly rough surfaces. I use the contact mechanics model of Persson to take into account the elastic interaction between the solid walls and the Bruggeman effective medium theory to account for the influence of the disorder on the fluid flow. I calculate the flow tensor which determines the pressure flow factor and, e.g., the leak-rate of static seals. I show how the perturbation treatment of Tripp can be extended to arbitrary order in the ratio between the root-mean-square roughness amplitude and the average interfacial surface separation. I introduce a matrix D(Zeta), determined by the surface roughness power spectrum, which can be used to describe the anisotropy of the surface at any magnification Zeta. I present results for the asymmetry factor Gamma(Zeta) (generalized Peklenik number) for grinded steel and sandblasted PMMA surfaces.

B. N. J. Persson

2010-04-07T23:59:59.000Z

494

Validity of the thin mask approximation in extreme ultraviolet mask roughness simulations  

SciTech Connect (OSTI)

In the case of extreme ultraviolet (EUV) lithography, modeling has shown that reflector phase roughness on the lithographic mask is a significant concern due to the image plan speckle it causes and the resulting line-edge roughness on imaged features. Modeling results have recently been used to determine the requirements for future production worthy masks yielding the extremely stringent specification of 50 pm rms roughness. Owing to the scale of the problem in terms of memory requirements, past modeling results have all been based on the thin mask approximation. EUV masks, however, are inherently three dimensional in nature and thus the question arises as to the validity of the thin mask approximation. Here we directly compare image plane speckle calculation results using the fast two dimensional thin mask model to rigorous finite-difference time-domain results and find the two methods to be comparable.

Naulleau, Patrick; George, Simi

2011-01-26T23:59:59.000Z

495

The friction factor of two-dimensional rough-boundary turbulent soap film flows  

E-Print Network [OSTI]

We use momentum transfer arguments to predict the friction factor $f$ in two-dimensional turbulent soap-film flows with rough boundaries (an analogue of three-dimensional pipe flow) as a function of Reynolds number Re and roughness $r$, considering separately the inverse energy cascade and the forward enstrophy cascade. At intermediate Re, we predict a Blasius-like friction factor scaling of $f\\propto\\textrm{Re}^{-1/2}$ in flows dominated by the enstrophy cascade, distinct from the energy cascade scaling of $\\textrm{Re}^{-1/4}$. For large Re, $f \\sim r$ in the enstrophy-dominated case. We use conformal map techniques to perform direct numerical simulations that are in satisfactory agreement with theory, and exhibit data collapse scaling of roughness-induced criticality, previously shown to arise in the 3D pipe data of Nikuradse.

Nicholas Guttenberg; Nigel Goldenfeld

2008-08-11T23:59:59.000Z

496

A decision making model using soft set and rough set on fuzzy approximation spaces  

Science Journals Connector (OSTI)

In modern era of computing, there is a need of development in data analysis and decision making. Most of our tools are crisp, deterministic and precise in character. But general real life situations contains uncertainties. To handle such uncertainties many theories are developed such as fuzzy set, rough set, rough set on fuzzy approximation spaces etc. But all these theories have their own limitations. To overcome the limitations, the concept of soft set is introduced. But, soft set also fails if the attributes in the information system are almost identical rather exactly identical. In this paper, we propose a decision making model that consists of two processes such as preprocess and postprocess to mine decisions. In preprocess we use rough set on fuzzy approximation spaces to get the almost equivalence classes whereas in postprocess we use soft set techniques to obtain decisions. The proposed model is tested over an institutional dataset and the results show practical viability of the proposed research.

T.K. Das; D.P. Acharjya

2014-01-01T23:59:59.000Z

497

Enhancement of induced V polarization due to rough interfaces in polycrystalline V/Fe/V trilayers  

SciTech Connect (OSTI)

The effect of interface roughness on the induced polarization of V in polycrystalline V/Fe/V trilayers was investigated with x-ray magnetic circular dichroism, x-ray resonant magnetic scattering, and polarized neutron reflectometry. Trilayer samples were sputter deposited onto Si substrates at room temperature to minimize interdiffusion. The films were polycrystalline and exhibited an average 0.5 nm root-mean-square interfacial roughness at the Fe/V interfaces. The induced polarization found in V was constrained to the Fe/V interface extending approximately up to 2-3 monolayers into the V and exhibited antiferromagnetic alignment to the Fe layer. A magnetic moment for V ranging between -0.46 and -0.86 {micro}{sub B}/V atom is consistent with the neutron and resonant x-ray data. Notably, this value for structurally rough interfaces is significantly larger than that reported for samples with atomically flat Fe/V interfaces.

Clavero, C.; Sanchez-Hanke, C.; Skuza, R.; Choi,Y.; Loloee,R.; Zhernenkov, M.; Fitzsimmons, M.R.; Lukaszew, R.A

2009-07-20T23:59:59.000Z

498

Emission formation during wood log combustion in fireplaces ?? part I: volatile combustion stage  

Science Journals Connector (OSTI)

A CFD-based tool for the analysis of combustion and emissions in batch-fired wood log combustion is introduced. It consists of submodels for drying and pyrolysis of a wood log, for combustion of volatilised fuel and char, for radiative heat transfer, and for NO formation implemented in a commercial CFD-programme (Fluent) for turbulent flows. Comparing model predictions to experimental data in a test oven shows the applicability of the different submodels and combination of them.

M. Huttunen; J. Saastamoinen; P. Kilpinen; L. Kjaldman; H. Oravainen; S. Bostrom

2006-01-01T23:59:59.000Z

499

Results of investigations at the Zunil geothermal field, Guatemala: Well logging and brine geochemistry  

SciTech Connect (OSTI)

The well logging team from Los Alamos and its counterpart from Central America were tasked to investigate the condition of four producing geothermal wells in the Zunil Geothermal Field. The information obtained would be used to help evaluate the Zunil geothermal reservoir in terms of possible additional drilling and future power plant design. The field activities focused on downhole measurements in four production wells (ZCQ-3, ZCQ-4, ZCQ-5, and ZCQ-6). The teams took measurements of the wells in both static (shut-in) and flowing conditions, using the high-temperature well logging tools developed at Los Alamos National Laboratory. Two well logging missions were conducted in the Zunil field. In October 1988 measurements were made in well ZCQ-3, ZCQ-5, and ZCQ-6. In December 1989 the second field operation logged ZCQ-4 and repeated logs in ZCQ-3. Both field operations included not only well logging but the collecting of numerous fluid samples from both thermal and nonthermal waters. 18 refs., 22 figs., 7 tabs.

Adams, A.; Dennis, B.; Van Eeckhout, E.; Goff, F.; Lawton, R.; Trujillo, P.E.; Counce, D.; Archuleta, J. (Los Alamos National Lab., NM (USA)); Medina, V. (Instituto Nacional de Electrificacion, Guatemala City (Guatemala). Unidad de Desarollo Geotermico)

1991-07-01T23:59:59.000Z

500

Interfacial separation between elastic solids with randomly rough surfaces: comparison of experiment with theory  

E-Print Network [OSTI]

We study the average separation between an elastic solid and a hard solid with a nominal flat but randomly rough surface, as a function of the squeezing pressure. We present experimental results for a silicon rubber (PDMS) block with a flat surface squeezed against an asphalt road surface. The theory shows that an effective repulse pressure act between the surfaces of the form p proportional to exp(-u/u0), where u is the average separation between the surfaces and u0 a constant of order the root-mean-square roughness, in good agreement with the experimental results.

B. Lorenz; B. N. J. Persson

2008-10-06T23:59:59.000Z