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


1

UrbanSolutionsCenter Soil Organic Matter and Compost Utilization  

E-Print Network [OSTI]

UrbanSolutionsCenter Soil Organic Matter and Compost Utilization Background High clay content soils is yard waste compost, and composting is becoming increasingly common in urban areas due to municipal yard waste collection and composting programs such as the one in Plano, Texas. Wastewater biosolids

2

Organic matter of anoxic and oxygenated marine waters  

E-Print Network [OSTI]

that a large percentage of the organic matter found in sea water consists of humic-like material (Skopentsev 1972) formed by condensation of simpler compounds such as carbohydrates and amino acids by plankton life processes (Kalle 1962). This newly... Major Subject: Chemical Oceanography ORGANIC MATTER OF ANOXIC AND OXYGENATED MARINE WATERS A Thesis by ROBERT MICHAEL GERSHEY Approved as to style and content by: Chairman of o tt ) r / ~-' t:u 'fl ~~&"f / 8 ~, g t, i~~ (Head of Department...

Gershey, Robert Michael

1974-01-01T23:59:59.000Z

3

Contingency in the Direction and Mechanics of Soil Organic Matter...  

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

Contingency in the Direction and Mechanics of Soil Organic Matter Responses to Increased Rainfall. Contingency in the Direction and Mechanics of Soil Organic Matter Responses to...

4

Persistence of soil organic matter in eroding versus depositional...  

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

Persistence of soil organic matter in eroding versus depositional landform positions. Persistence of soil organic matter in eroding versus depositional landform positions....

5

The effect of various cropping systems upon the stability of aggregates: the rate of water infiltration, and the organic matter content of three soil conditions in the Texas Blacklands.  

E-Print Network [OSTI]

of the soil snd its relation to water oonserxation and to crop production has been recognised for a long tixm by uorkmrs e~ in agricultural research Soil fertility and plant growth are affected by a nuaber of faotarsx among which structurex organic matter.... . . , ?, ~ . ~ ~ ~ 31 ~ ~ ~ 32 ~ ~ ~ 33 Average pex'oentages of organic carbon in tbe surface layer of three land classes in 6 different cropping systelwl ~ ? ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ? ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 34 Analysis of varianoe of organic oarbon in tbs...

Quintero, Angel H

1951-01-01T23:59:59.000Z

6

Particulate Matter Sampling and Volatile Organic Compound Removal...  

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

Organic Compound Removal for Characterization of Spark Ignited Direct Injection Engine Particulate Matter Sampling and Volatile Organic Compound Removal for Characterization...

7

atmospheric organic matter: Topics by E-print Network  

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

Theses and Dissertations Summary: ??Dissolved natural organic matter (NOM) and heavy metals are ubiquitous in aqueous and terrestrial systems. Adsorption processes involving...

8

Microbial production and consumption of marine dissolved organic matter  

E-Print Network [OSTI]

Marine phytoplankton are the principal producers of oceanic dissolved organic matter (DOM), the organic substrate responsible for secondary production by heterotrophic microbes in the sea. Despite the importance of DOM in ...

Becker, Jamie William

2013-01-01T23:59:59.000Z

9

Dissolved organic matter in Chesapeake Bay sediment pore waters  

E-Print Network [OSTI]

Dissolved organic matter in Chesapeake Bay sediment pore waters David J. Burdige * Department of recent studies of dissolved organic matter (DOM) in Chesapeake Bay sediment pore waters are summar- ized water DOM. This analysis shows that much of the DOM accumulating in sediment pore waters appears

Burdige, David

10

Investigation of the organic matter in inactive nuclear tank liquids  

SciTech Connect (OSTI)

Environmental Protection Agency (EPA) methodology for regulatory organics fails to account for the organic matter that is suggested by total organic carbon (TOC) analysis in the Oak Ridge National Laboratory (ORNL) inactive nuclear waste-tank liquids and sludges. Identification and measurement of the total organics are needed to select appropriate waste treatment technologies. An initial investigation was made of the nature of the organics in several waste-tank liquids. This report details the analysis of ORNL wastes.

Schenley, R.L.; Griest, W.H.

1990-08-01T23:59:59.000Z

11

Table of Contents Division Organization 2  

E-Print Network [OSTI]

National Initiative for Cybersecurity Education (NICE) 12 Smart Grid Cyber Security 13 Supply Chain Risk Content Automation Protocol Validation Program 39 Technical Security Metrics 40 Vulnerability research, develop ment and outreach necessary to provide standards and guidelines, tools, metrics

12

Mineral mesopore effects on nitrogenous organic matter Andrew R. Zimmermana,  

E-Print Network [OSTI]

as sequestration of pollutants in soils and sediments (Luthy et al., 1997), turnover of natural soil organic carbon that organic matter (OM) may be protected from enzymatic degradation by sequestration within mineral mesopores observations. These results provide a potential mechanism for the selective sequestration and preservation

Chorover, Jon

13

Chromatographic separations of soil organic matter for purposes of investigating the physico-chemical role of organic matter in soil aggregation  

E-Print Network [OSTI]

CHROMATOGRAPHIC SEPARATIONS OP SOIL ORGANIC MATTER POR PURPOSES OP INVESTIGATING THE PHYSICOCHEMICAL ROLE OP ORGANIC MATTER IN SOIL AGGREGATION A Dissertation *>y Cleveland Joseph Gerard May 1955 L IB R AR Y A&M COLLEGE OF TEXAS... CHROMATOGRAPHIC SEPARATIONS OP SOIL ORGANIC MATTER POR PURPOSES OP INVESTIGATING THE PHYSICOCHEMICAL ROLE OP ORGANIC MATTER IN SOIL AGGREGATION A Dissertation Cleveland Joseph Gerard Submitted to the Graduate School of the Agricultural and Mechanical College...

Gerard, C. J.

1955-01-01T23:59:59.000Z

14

Studies of the Ammonia-soluble Organic Matter of the Soil.  

E-Print Network [OSTI]

to represent the - decomposed organic matter of the soil, and, therefore, if the theory cited above is correct, the more valuable organic matter. The.relation between the hvo forms of organic matter is largely a matter of color; while the ammonia does nct... oxtract all the organic matter from the soil, it does extract prad,ically all the black organic matter, leaving the soil residue near]? white. The organic matter of the soil soluble in ammonia is termed humus in America. The fact that the ammonia...

Fraps, G. S. (George Stronach); Hamner, N.C.

1910-01-01T23:59:59.000Z

15

EAOG Sville The fate of organic matter in mangrove sediments  

E-Print Network [OSTI]

EAOG SĂ©ville The fate of organic matter in mangrove sediments subject to variable environmental twinned sedimentary cores from both the mangroves and the unvegetated sediments, and various vascular diagenetic processes present in brackish to hypersaline mangrove sediments characterised by great changes

Boyer, Edmond

16

Methods to radiolabel natural organic matter by reduction with hydrogen labeled reducing agents  

DOE Patents [OSTI]

Methods to radiolabel natural organic matter by reduction with a hydrogen labeled reducing agent, and compositions, are provided.

Tinnacher, Ruth M.; Honeyman, Bruce D.

2011-10-18T23:59:59.000Z

17

Preservation of Organic Matter in Marine Sediments: Controls, Mechanisms, and an Imbalance in Sediment Organic Carbon Budgets?  

E-Print Network [OSTI]

Preservation of Organic Matter in Marine Sediments: Controls, Mechanisms, and an Imbalance in Sediment Organic Carbon Budgets? David J. Burdige* Department of Ocean, Earth and Atmospheric Sciences, Old.1. Organic Geochemistry of Marine Sediments: General Considerations 468 2. Molecularly Uncharacterized

Burdige, David

18

E-Print Network 3.0 - affect organic matter Sample Search Results  

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

do soil biota do? As soil organisms consume organic matter and each other, nutrients and energy... to plants. Soil biota decompose these organic residues and some forms of organic...

19

Significance of Isotopically Labile Organic Hydrogen in Thermal Maturation of Organic Matter  

SciTech Connect (OSTI)

Isotopically labile organic hydrogen in fossil fuels occupies chemical positions that participate in isotopic exchange and in chemical reactions during thermal maturation from kerogen to bitumen, oil and gas. Carbon-bound organic hydrogen is isotopically far less exchangeable than hydrogen bound to nitrogen, oxygen, or sulfur. We explore why organic hydrogen isotope ratios express a relationship with organic nitrogen isotope ratios in kerogen at low to moderate maturity. We develop and apply new techniques to utilize organic D/H ratios in organic matter fractions and on a molecular level as tools for exploration for fossil fuels and for paleoenvironmental research. The scope of our samples includes naturally and artificially matured substrates, such as coal, shale, oil and gas.

Arndt Schimmelmann; Maria Mastalerz

2010-03-30T23:59:59.000Z

20

Persistence of soil organic matter as an ecosystem property  

SciTech Connect (OSTI)

Globally, soil organic matter (SOM) contains more than three times as much carbon as either the atmosphere or terrestrial vegetation. Yet it remains largely unknown why some SOM persists for millennia whereas other SOM decomposes readily—and this limits our ability to predict how soils will respond to climate change. Recent analytical and experimental advances have demonstrated that molecular structure alone does not control SOM stability: in fact, environmental and biological controls predominate. Here we propose ways to include this understanding in a new generation of experiments and soil carbon models, thereby improving predictions of the SOM response to global warming.

Schmidt, M.W.; Torn, M. S.; Abiven, S.; Dittmar, T.; Guggenberger, G.; Janssens, I.A.; Kleber, M.; Kögel-Knabner, I.; Lehmann, J.; Manning, D.A.C.; Nannipieri, P.; Rasse, D.P.; Weiner, S.; Trumbore, S.E.

2011-08-15T23:59:59.000Z

Note: This page contains sample records for the topic "organic matter content" 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

VARIETY OF ORGANIC MATTER IN STARDUST RETURN SAMPLES FROM COMET 81P/WILD 2. B. T. De Gregorio1  

E-Print Network [OSTI]

into the silica aerogel capture medium [5]. Cometary carbonaceous matter is derived from in- terstellar organic

Nittler, Larry R.

22

How Soil Organic Matter Composition Controls Hexachlorobenzene-Soil-Interactions: Adsorption Isotherms and Quantum Chemical Modelling  

E-Print Network [OSTI]

Hazardous persistent organic pollutants (POPs) interact in soil with the soil organic matter (SOM) but this interaction is insufficiently understood at the molecular level. We investigated the adsorption of hexachlorobenzene (HCB) on soil samples with systematically modified SOM. These samples included the original soil, the soil modified by adding a hot water extract (HWE) fraction (soil+3 HWE and soil+6 HWE), and the pyrolyzed soil. The SOM contents increased in the order pyrolyzed soil soil soil+3 HWE soil+6 HWE. For the latter three samples this order was also valid for the HCB adsorption. The pyrolyzed soil adsorbed more HCB than the other samples at low initial concentrations, but at higher concentrations the HCB adsorption became weaker than in the samples with HWE addition. This adsorption behaviour combined with the differences in the chemical composition between the soil samples suggested that alkylated aromatic, phenol, and lignin monomer compounds contributed most to the HC...

Ahmed, Ashour; Kühn, Oliver

2013-01-01T23:59:59.000Z

23

Storage and turnover of organic matter in soil  

SciTech Connect (OSTI)

Historically, attention on soil organic matter (SOM) has focused on the central role that it plays in ecosystem fertility and soil properties, but in the past two decades the role of soil organic carbon in moderating atmospheric CO{sub 2} concentrations has emerged as a critical research area. This chapter will focus on the storage and turnover of natural organic matter in soil (SOM), in the context of the global carbon cycle. Organic matter in soils is the largest carbon reservoir in rapid exchange with atmospheric CO{sub 2}, and is thus important as a potential source and sink of greenhouse gases over time scales of human concern (Fischlin and Gyalistras 1997). SOM is also an important human resource under active management in agricultural and range lands worldwide. Questions driving present research on the soil C cycle include: Are soils now acting as a net source or sink of carbon to the atmosphere? What role will soils play as a natural modulator or amplifier of climatic warming? How is C stabilized and sequestered, and what are effective management techniques to foster these processes? Answering these questions will require a mechanistic understanding of how and where C is stored in soils. The quantity and composition of organic matter in soil reflect the long-term balance between plant carbon inputs and microbial decomposition, as well as other loss processes such as fire, erosion, and leaching. The processes driving soil carbon storage and turnover are complex and involve influences at molecular to global scales. Moreover, the relative importance of these processes varies according to the temporal and spatial scales being considered; a process that is important at the regional scale may not be critical at the pedon scale. At the regional scale, SOM cycling is influenced by factors such as climate and parent material, which affect plant productivity and soil development. More locally, factors such as plant tissue quality and soil mineralogy affect decomposition pathways and stabilization. These factors influence the stability of SOM in part by shaping its molecular characteristics, which play a fundamental role in nearly all processes governing SOM stability but are not the focus of this chapter. We review here the most important controls on the distribution and dynamics of SOM at plot to global scales, and methods used to study them. We also explore the concepts of controls, processes, and mechanisms, and how they operate across scales. The concept of SOM turnover, or mean residence time, is central to this chapter and so it is described in some detail. The Appendix details the use of radiocarbon ({sup 14}C), a powerful isotopic tool for studying SOM dynamics. Much of the material here was originally presented at a NATO Advanced Study Institute on 'Soils and Global Change: Carbon Cycle, Trace Gas Exchange and Hydrology', held June 16-27, 1997, at the Chateau de Bonas, France.

Torn, M.S.; Swanston, C.W.; Castanha, C.; Trumbore, S.E.

2008-07-15T23:59:59.000Z

24

Treatment program of organic matter by anaerobic digestion and composting (PTMOBC) (Quebec, Canada)  

Broader source: Energy.gov [DOE]

The Program for processing of organic matter by anaerobic digestion and composting (PTMOBC) provides financial assistance to municipalities and the private sector for the installation of...

25

Temperature effects on decomposition rates of soil organic matter with differing proportions of labile and  

E-Print Network [OSTI]

favorable energy source. Labile soil organic matter is sugar, starch, and carbohydrates. An alternative energy source is recalcitrant carbon, which is harder to decompose soil organic matter such as lignin energy source (Nabu, 2009). With increasing global temperatures, it is important to understand how soil

Vallino, Joseph J.

26

Burial of terrestrial organic matter in marine sediments: A re-assessment  

E-Print Network [OSTI]

Burial of terrestrial organic matter in marine sediments: A re-assessment David J. Burdige being buried in marine sediments may be of terrestrial origin, with the majority of this terrestrial organic matter (TOM) burial occurring in muddy, deltaic sediments. These calculations further suggest

Burdige, David

27

Investigation of the organic matter in inactive nuclear tank liquids. Environmental Restoration Program  

SciTech Connect (OSTI)

Environmental Protection Agency (EPA) methodology for regulatory organics fails to account for the organic matter that is suggested by total organic carbon (TOC) analysis in the Oak Ridge National Laboratory (ORNL) inactive nuclear waste-tank liquids and sludges. Identification and measurement of the total organics are needed to select appropriate waste treatment technologies. An initial investigation was made of the nature of the organics in several waste-tank liquids. This report details the analysis of ORNL wastes.

Schenley, R.L.; Griest, W.H.

1990-08-01T23:59:59.000Z

28

Generative morphologies of architectural organization in matter force field  

E-Print Network [OSTI]

This thesis investigates generative methods of architectural form finding in matter force fields that produce spatial subdivision and organizational variation. Unlike the style driven contemporary free-form architecture ...

Mutlu, Murat

2010-01-01T23:59:59.000Z

29

Identification of Location and Nature of Organic Matter and Contaminants on Sediments  

E-Print Network [OSTI]

Identification of Location and Nature of Organic Matter and Contaminants on Sediments U. Ghosh matter in natural sediments. Such knowledge is important in understanding the fundamental nature), and nitroaromatics such as TNT. The role of hard carbonaceous materials in sediments such as coal-derived particles

30

Organic matter characteristics of CenomanianTuronian source rocks: implications for petroleum and gas  

E-Print Network [OSTI]

Organic matter characteristics of Cenomanian­Turonian source rocks: implications for petroleum from the Senegal margin basin, believed to be the main source rocks in the area, have been matter sources; Depositional environment; Petroleum source rock #12;1. Introduction Fig. 1. (a) Map

Boyer, Edmond

31

Chemical characterization of dissolved organic matter (DOM) in seawater : structure, cycling, and the role of biology  

E-Print Network [OSTI]

The goal of this thesis is to investigate three different areas relating to the characterization of dissolved organic matter (DOM): further determination of the chemical compounds present in high molecular weight DOM ...

Quan, Tracy M. (Tracy Michelle), 1977-

2005-01-01T23:59:59.000Z

32

The Role of Mineralogy in Organic Matter Stabilization in Tropical Soils  

E-Print Network [OSTI]

The Role of Mineralogy in Organic Matter Stabilization in Tropical Soils Wipawan Thaymuang,1 Irb) and mineralogy. This study investigated the mineral properties and OM stabilization in 12 surface tropical soil

Sparks, Donald L.

33

Direct and indirect photoreactions of chromophoric dissolved organic matter : roles of reactive oxygen species and iron  

E-Print Network [OSTI]

Photochemical transformations of chromophoric dissolved organic matter (CDOM) are one of the principal processes controlling its fate in coastal waters. The photochemical decomposition of CDOM leads to the formation of a ...

Goldstone, Jared Verrill, 1971-

2002-01-01T23:59:59.000Z

34

Correlation of Soil and Sediment Organic Matter Polarity to Aqueous  

E-Print Network [OSTI]

and compared with published partition coefficients (Koc) of carbon tetrachloride (CT) from aqueous solution of the measured partition coefficients (Koc) of carbon tetrachloride (CT) vs. percent polar organic carbon (POC to their organic carbon-normalized sorption coefficients (Koc) for carbon tetrachloride (CT) and 1

35

Can Rock-Eval pyrolysis assess the biogeochemical composition of organic matter during peatification?  

E-Print Network [OSTI]

as a screening tool to investigate soil organic matter (SOM) chemistry and vulnerability. In order to test the validity of Rock-Eval as an indicator of SOM chemistry and of OM transformations, we compared classical Rock-Eval-derived parameters (Total Organic Carbon - TOC, Hydrogen Index - HI and Oxygen Index - OI

Boyer, Edmond

36

Influence of compost on soil organic matter quality under tropical conditions  

E-Print Network [OSTI]

Influence of compost on soil organic matter quality under tropical conditions Carmen Riveroa , T was conducted in Puerto Rico to evaluate the impact of compost on soil quality and crop production in an ultisol. In particular, the effect of compost on the quality of soil organic mater (SOM) was investigated. Compost

Ma, Lena

37

Temperature-driven decoupling of key phases of organic matter degradation in marine sediments  

E-Print Network [OSTI]

organic matter is further hydrolyzed and fermented to LMW-DOC, such as volatile fatty acids (VFAs) (2 (9­12). The organic carbon consumed by sulfate- reducing bacteria is often VFAs, such as acetic acid is recycled or buried. A diverse consor- tium of microorganisms that hydrolyze, ferment, and terminally

Weston, Nathaniel B.

38

Origins and accumulation of organic matter in expanded Albian to Santonian black shale sequences on the  

E-Print Network [OSTI]

Origins and accumulation of organic matter in expanded Albian to Santonian black shale sequences laminated, Cenoma- nian­Santonian black shale sequences contain between 2% and 15% organic carbon about the depositional conditions leading to the black shale accumulations. The low d13 Corg values

Gilli, Adrian

39

Adsorption and desorption kinetics of cesium in an organic matter-rich soil saturated with different cations  

SciTech Connect (OSTI)

The fallout from nuclear weapons tests conducted on Bikini Atoll Island in 1954 resulted in contamination of soil with Cesium 137. To develop effective regimes for decontaminating the Bikini Atoll soil, the exchange of Cs for K, Na, and other cations on the soil must be understood. Samples of soils made homoionic with K, Na, or Ca were reacted with solutions containing Cs ions, and the quantities of Cs sorbed and the rates of exchange were measured. The samples were then reacted with solutions containing K, Na, or Ca, and the quantities of Cs desorbed and the rates of exchange were again measured. Samples made homoionic with Na had a greater ion exchange capacity than samples made homoionic with K, and, in both cases, the ion exchange capacity increased with the organic matter content of the soil. For samples pretreated with Ca, the ion exchange capacity is not related in a simple way to the organic matter content. The kinetics were assessed by plotting the rate of exchange vs. the time and vs. the quantity exchanged. A first-order equation was obeyed during most of the run in Cs desorption experiments and during a limited part of the run in Cs adsorption experiments. An increase in the rate of Cs exchange was observed at the beginning of the experiments especially for Cs adsorption. This increase is presumably due to an increase of the ionic strength of the liquid phase during the exchange process. 33 refs., 9 figs., 2 tabs.

Aharoni, C. (Technion-Israel Inst. of Technology, Haifa (Israel)); Pasricha, N.S. (Punjab Agricultural Univ., Ludihana (India)); Sparks, D.L. (Univ. of Delaware, Newark, DE (United States))

1993-10-01T23:59:59.000Z

40

Storage and turnover of organic matter in soil  

E-Print Network [OSTI]

of organic carbon from peat soils. Nature 412 , 785. Fried,Plant Litter. Standard Soil Methods for Long-Term Ecological2007). Role of proteins in soil carbon and nitrogen storage:

Torn, M.S.

2009-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "organic matter content" 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

Constraining the strangeness content of the nucleon by measuring the $?$ meson mass shift in nuclear matter  

E-Print Network [OSTI]

The behavior of the $\\phi$ meson at finite density is studied, making use of a QCD sum rule approach in combination with the maximum entropy method. It is demonstrated that a possible mass shift of the $\\phi$ in nuclear matter is strongly correlated to the strangeness content of the nucleon, which is proportional to the strange sigma term, $\\sigma_{sN} = m_s \\langle N | \\overline{s}s | N \\rangle$. Our results furthermore show that, depending on the value of $\\sigma_{sN}$, the $\\phi$ meson could receive both a positive or negative mass shift at nuclear matter density. We find that these results depend only weakly on potential modifications of the width of the $\\phi$ meson peak and on assumptions made on the behavior of four-quark condensates at finite density. To check the stability of our findings, we take into account several higher order corrections to the operator product expansion, including $\\alpha_s$-corrections, terms of higher order in the strange quark mass and terms of higher twist that have not been considered in earlier works.

Philipp Gubler; Keisuke Ohtani

2015-02-07T23:59:59.000Z

42

Lattice Boltzmann prediction of transport properties in reconstructed nanostructures of organic matters in shales  

E-Print Network [OSTI]

Size, morphology and distributions of pores in organic matters of shale matrix are discussed based on high resolution images from experiments in the literature. 150 nanoscale structures of the organic matters are then reconstructed by randomly placing pore spheres with different diameters and overlap tolerances. Effects of porosity, the mean diameter and the overlap tolerance on void space connectivity and pore size distribution are studied. Further, a pore-scale model based on the Lattice Boltzmann method is developed to predict the Knudsen diffusivity and permeability of the reconstructed organic matters. The simulation results show that the mean pore diameter and overlap tolerance significantly affect the transport properties. The predicted Knudsen effective diffusivity is compared with Bruggeman equation and it is found that this equation underestimate the tortuosity. A modified Bruggeman equation is proposed based on the simulation results. The predicted intrinsic permeability is in acceptable agreement ...

Chen, Li; Zhang, Lei; Tao, Wenquan

2014-01-01T23:59:59.000Z

43

22th International Meeting on org. geochem. The fate of organic matter in mangrove sediments  

E-Print Network [OSTI]

22th International Meeting on org. geochem. The fate of organic matter in mangrove sediments and the unvegetated sediments, and various vascular plants specific to these swamps. An elemental, pyrolytic sediments characterised by great changes in the redox conditions. Several specific results have already been

Boyer, Edmond

44

Trace metal behaviour in riverine sediments: role of organic matter and sulphides Adeline Charriaua  

E-Print Network [OSTI]

1 Trace metal behaviour in riverine sediments: role of organic matter and sulphides Authors Adeline : 10.1016/j.apgeochem.2010.11.005 #12;2 Abstract Three sediment cores were collected in the Scheldt. The speciation and the distribution of trace metals in pore waters and sediment particles were assessed through

Paris-Sud XI, Université de

45

Soil Biology & Biochemistry 38 (2006) 22922299 Modifications of degradation-resistant soil organic matter by soil  

E-Print Network [OSTI]

Soil Biology & Biochemistry 38 (2006) 2292­2299 Modifications of degradation-resistant soil organic matter by soil saprobic microfungi Veronika R eza´ c ova´ a,b,Ă, Hana Hrs elova´ a , Hana Gryndlerova in their solutions and in sterile soil by microfungal species and two well-known HA degraders were studied

Miksik, Ivan

2006-01-01T23:59:59.000Z

46

Meiofauna and sedimentary organic matter off Central Chile: response to changes caused  

E-Print Network [OSTI]

and lipids) and chloroplastic pigments were also assessed. Total meiofauna abundance and biomass increased. A decrease of organic matter quantity and quality, related to low primary productivity conditions in 1998 (El and the meiofauna biomass was observed in May 1997, whereas in May 1998 no relationship was found. © 2001 Ifremer

Levin, Lisa

47

Impact of organic matter and speciation on the behaviour of uranium in submerged ultrafiltration   

E-Print Network [OSTI]

Influence of organic matter (OM) on uranium removal mechanisms by ultrafiltration (UF) over a pH range of 3–11 was investigated. Humic, alginic and tannic acid were used as OM. It was found that uranium adsorbed strongly to the membrane while...

Semiăo, Andrea J.C.; Rossiter, Helfrid M.A.; Schäfer, Andrea

2010-01-01T23:59:59.000Z

48

Supplemental Data Insights into Dissolved Organic Matter Complexity in Rainwater from Continental  

E-Print Network [OSTI]

Supplemental Data Insights into Dissolved Organic Matter Complexity in Rainwater from. Storm Number Storm Type Date Collected Amount (mm) pH DOC (µM) 688 Terrestrial 3/17/07 8.6 4.7 64.6 718

Meskhidze, Nicholas

49

Impacts of Natural Organic Matter on Perchlorate Removal by an Advanced Reduction Process  

E-Print Network [OSTI]

experiments were conducted to obtain data on the impacts of natural organic matter and light intensity on destruction of perchlorate by the ARPs that use sulfite activated by ultraviolet light produced by low-pressure mercury lamps or KrCl excimer lamps...

Duan, Yuhang

2012-10-19T23:59:59.000Z

50

Tree Species Effects on Soil Organic Matter Dynamics: The Role of Soil  

E-Print Network [OSTI]

Tree Species Effects on Soil Organic Matter Dynamics: The Role of Soil Cation Composition Sarah E the influence of tree species on soil carbon and nitrogen (N) dynamics in a common garden of replicated substantial divergence in foliar and soil base cation concentrations and soil pH among spe- cies, we

Minnesota, University of

51

Molecular Level Characterization and Mobility of Radionuclide-Carrying Natural Organic Matter in Aquatic Environments  

E-Print Network [OSTI]

small-size aromatic subunit (~10 kDa), while the large-size subunit (~90 kDa), which likely linked the small-size unit through some weak chemical forces, determined the relative mobility of iodine bound to organic matter. Soil resuspension experiments...

Xu, Chen

2012-10-19T23:59:59.000Z

52

Kinetics of Ni Sorption in Soils: Roles of Soil Organic Matter and Ni Precipitation  

E-Print Network [OSTI]

sorption in soils may be controlled by different reaction mechanisms at various time scales be an important path for Ni sequestration in soils.9 The mechanisms of Ni-LDH formation have been investigatedKinetics of Ni Sorption in Soils: Roles of Soil Organic Matter and Ni Precipitation Zhenqing Shi

Sparks, Donald L.

53

PAPER www.rsc.org/pps | Photochemical & Photobiological Sciences Alteration of chromophoric dissolved organic matter by solar UV radiation  

E-Print Network [OSTI]

the lagoon that were incubated in the pre-exposed water for 5 h in the dark. Cell abundance, activity dissolved organic matter by solar UV radiation causes rapid changes in bacterial community composition We evaluated the effect of photochemical alterations of chromophoric dissolved organic matter (CDOM

Sommaruga, Ruben

54

Oxygen and organic matter thresholds for benthic faunal activity on the Pakistan margin oxygen minimum zone (7001100 m)  

E-Print Network [OSTI]

Oxygen and organic matter thresholds for benthic faunal activity on the Pakistan margin oxygen increased animal activity associated with increasing bottom-water oxygen concentration. We examined faunal community responses to oxygen and organic matter gradients across the lower oxygen minimum zone (OMZ

Levin, Lisa

55

Table of Contents: Chapter 3 1 Organization of the Inventory Chapter 3  

E-Print Network [OSTI]

Table of Contents: Chapter 3 1 Organization of the Inventory Chapter 3 2 Current Management.1 Methodology 30 3.2 Inventory Results 32 3.2.1 Wildlife Projects 32 3.2.2 Fish habitat projects 38 3.2.3 Fish-2. Inventoried interior riparian wetland projects/programs 34 Figure 3-3. Inventoried shrub steppe

56

Organic geochemistry and organic petrography  

SciTech Connect (OSTI)

The Vermillion Creek coals and shales contain dominantly humic organic matter originating from woody plant tissues except for one shale unit above the coals, which contains hydrogen-rich kerogen that is mostly remains of filamentous algae, of likely lacustrine origin. The coals have two unusual features - very low inertinite content and high sulfur content compared to mined western coals. However, neither of these features points to the limnic setting reported for the Vermillion Creek sequence. The vitrinite reflectance of Vermillion Creek shales is markedly lower than that of the coals and is inversely proportional to the H/C ratio of the shales. Rock-Eval pyrolysis results, analyses of H, C, and N, petrographic observations, isotope composition of organic carbon, and amounts and compositions of the CHCl/sub 3/-extractable organic matter all suggest mixtures of two types of organic matter in the Vermillion Creek coals and clay shales: (1) isotopically heavy, hydrogen-deficient, terrestrial organic matter, as was found in the coals, and (2) isotopically light, hydrogen-rich organic matter similar to that found in one of the clay-shale samples. The different compositions of the Vermillion Creek coal, the unnamed Williams Fork Formation coals, and coals from the Middle Pennsylvanian Marmaton and Cherokee Groups are apparently caused by differences in original plant composition, alteration of organic matter related to different pH conditions of the peat swamps, and slightly different organic maturation levels.

Bostick, N.H.; Hatch, J.R.; Daws, T.A.; Love, A.H.; Lubeck, S.C.M.; Threlkeld, C.N.

1987-01-01T23:59:59.000Z

57

Role of minerals in thermal alteration of organic matter. II. A material balance  

SciTech Connect (OSTI)

Pyrolysis experiments were performed on Green River and Monterey Formation kerogens (Types I and II, respectively) with and without calcite, illite, or montmorillonite at 300/sup 0/C for 2 to 1000 hours under dry and hydrous conditions. Pyrolysis products were identified and quantified, and a material balance of product and reactants resulted. Applying the results to maturation of organic matter in natural environments, they suggest that a given type of organic matter associated with different minerals in source rocks will yield different products. Furthermore, the different adsorption capacities of minerals exert a significant influence on the migration of polar and high molecular weight compounds generated from the breakdown of kerogen. Therefore, the overall accumulated products from carbonate source rocks are mainly heavy oils with some gas, whereas light oils and gases are the main products from source rocks that contain expandable clays with catalytic and adsorptive properties. 8 figures, 2 tables.

Tannenbaum, E.; Huizinga, B.J.; Kaplan, I.R.

1986-09-01T23:59:59.000Z

58

Aeolian Delivery of Organic Matter to a Middle Permian Deepwater Ramp  

E-Print Network [OSTI]

-Chairs of Committee, Bruce Herbert Mike Tice Committee Member, Thomas McDonald Head of Department, Andreas Kronenberg May 2011 Major Subject: Geology iii ABSTRACT Aeolian Delivery of Organic Matter to a Middle Permian Deepwater Ramp. (May 2011..., Semra Artan, and my father, Mehmet Ali Artan vi ACKNOWLEDGEMENTS I would like to express my deepest gratitude to my co-advisors, Dr. Bruce Herbert and Dr. Mike Tice, for their time, guidance and advice throughout the course of this research. I...

Artan, Sinem

2012-07-16T23:59:59.000Z

59

The effect of various cropping systems upon organic matter, total nitrogen, cation exchange capacity, exchangeable cations, conductivity and reaction  

E-Print Network [OSTI]

&IBRARY A 4 N COLLEGE OF TEXAS THE EFFECT OF VARIOUS CROPPING SYSTEMS UPON ORGANIC MATTER, TOTAL NITROGEN, CATION EXCHANGE CAPACITY, EXCHANGEABLE CATIONS, CONDUCTIVITY AND REACTION. A Thesis By MOHAMMAD ABDUL MANNAN Submitted...

Mannan, Mohammad Abdul

1958-01-01T23:59:59.000Z

60

Microbial community transcriptomes reveal microbes and metabolic pathways associated with dissolved organic matter turnover in the sea  

E-Print Network [OSTI]

Marine dissolved organic matter (DOM) contains as much carbon as the Earth's atmosphere, and represents a critical component of the global carbon cycle. To better define microbial processes and activities associated with ...

McCarren, Jay

Note: This page contains sample records for the topic "organic matter content" 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

Structure, composition, and location of organic matter in the enstatite chondrite Sahara 97096 (EH3)  

E-Print Network [OSTI]

The insoluble organic matter (IOM) of an unequilibrated enstatite chondrite Sahara (SAH) 97096 has been investigated using a battery of analytical techniques. As the enstatite chondrites are thought to have formed in a reduced environment at higher temperatures than carbonaceous chondrites, they constitute an interesting comparative material to test the heterogeneities of the IOM in the solar system and to constrain the processes that could affect IOM during solar system evolution. The SAH 97096 IOM is found in situ: as submicrometer grains in the network of fine-grained matrix occurring mostly around chondrules and as inclusions in metallic nodules, where the carbonaceous matter appears to be more graphitized. IOM in these two settings has very similar $\\delta^{15}N$ and $\\delta^{13}C$; this supports the idea that graphitized inclusions in metal could be formed by metal catalytic graphitization of matrix IOM. A detailed comparison between the IOM extracted from a fresh part and a terrestrially weathered part...

Piani, Laurette; Beyssac, Olivier; Binet, Laurent; Bourot-Denise, Michčle; Derenne, Sylvie; Guillou, Corentin Le; Marrocchi, Yves; Mostefaoui, Smail; Rouzaud, Jean-Noel; Thomen, Aurelien

2015-01-01T23:59:59.000Z

62

Ultrastrong light-matter coupling in electrically doped microcavity organic light emitting diodes  

SciTech Connect (OSTI)

The coupling of the electromagnetic field with an electronic transition gives rise, for strong enough light-matter interactions, to hybrid states called exciton-polaritons. When the energy exchanged between light and matter becomes a significant fraction of the material transition energy an extreme optical regime called ultrastrong coupling (USC) is achieved. We report a microcavity embedded p-i-n monolithic organic light emitting diode working in USC, employing a thin film of squaraine dye as active layer. A normalized coupling ratio of 30% has been achieved at room temperature. These USC devices exhibit a dispersion-less angle-resolved electroluminescence that can be exploited for the realization of innovative optoelectronic devices. Our results may open the way towards electrically pumped polariton lasers.

Mazzeo, M., E-mail: marco.mazzeo@unisalento.it [Dipartimento di Matematica e Fisica “Ennio De Giorgi”, Universitŕ del Salento, Via Monteroni, 73100 Lecce (Italy); NNL, Istituto Nanoscienze - CNR, Via Arnesano, 73100 Lecce (Italy); Genco, A. [Dipartimento di Matematica e Fisica “Ennio De Giorgi”, Universitŕ del Salento, Via Monteroni, 73100 Lecce (Italy); Gambino, S. [NNL, Istituto Nanoscienze - CNR, Via Arnesano, 73100 Lecce (Italy); CBN, Istituto Italiano Tecnologia, Via Barsanti 1, 73010 Lecce (Italy); Ballarini, D.; Mangione, F.; Sanvitto, D. [NNL, Istituto Nanoscienze - CNR, Via Arnesano, 73100 Lecce (Italy); Di Stefano, O.; Patanč, S.; Savasta, S. [Dipartimento di Fisica e Scienze della Terra, Universitŕ di Messina, Viale F. Stagno d'Alcontres 31, 98166 Messina (Italy); Gigli, G. [Dipartimento di Matematica e Fisica “Ennio De Giorgi”, Universitŕ del Salento, Via Monteroni, 73100 Lecce (Italy); NNL, Istituto Nanoscienze - CNR, Via Arnesano, 73100 Lecce (Italy); CBN, Istituto Italiano Tecnologia, Via Barsanti 1, 73010 Lecce (Italy)

2014-06-09T23:59:59.000Z

63

PAHs and organic matter partitioning and mass transfer from coal tar particles to water  

SciTech Connect (OSTI)

The coal tar found in contaminated soils of former manufactured gas plants and coking plants acts as a long-term source of PAHs. Organic carbon and PAH transfer from coal tar particles to water was investigated with closed-looped laboratory column experiments run at various particle sizes and temperatures. Two models were derived. The first one represented the extraction process at equilibrium and was based on a linear partitioning of TOC and PAHs between coal tar and water. The partition coefficient was derived as well as the mass of extractable organic matter in the particles. The second model dealt with mass transfer. Particle diffusion was the limiting step; organic matter diffusivity in the coal tar was then computed in the different conditions. A good consistency was obtained between experimental and computed results. Hence, the modeling of PAH migration in contaminated soils at the field scale requires taking into account coal tar as the source-term for PAH release. 28 refs., 5 figs., 3 tabs.

Karim Benhabib; Marie-Odile Simonnot; Michel Sardin [LSGC - Laboratory of Chemical Engineering Science, Nancy (France)

2006-10-01T23:59:59.000Z

64

Final technical report; Mercury Release from Organic matter (OM) and OM-Coated Mineral Surfaces  

SciTech Connect (OSTI)

This document is the final technical report for a project designed to address fundamental processes controlling the release of mercury from flood plain soils associated with East Fork Poplar Creek, Tennessee near the U.S. Department of Energy Oak Ridge facility. The report summarizes the activities, findings, presentations, and publications resulting from an award to the U.S. Geological that were part of a larger overall effort including Kathy Nagy (University of Illinois, Chicago, Ill) and Joseph Ryan (University of Colorado, Boulder, CO). The specific charge for the U.S.G.S. portion of the study was to provide analytical support for the larger group effort (Nagy and Ryan), especially with regard to analyses of Hg and dissolved organic matter, and to provide information about the release of mercury from the floodplain soils.

Aiken, George

2014-10-02T23:59:59.000Z

65

A new aerosol collector for quasi on-line analysis of particulate organic matter: the Aerosol Collection Module (ACM) and first applications with a GC/MS-FID  

E-Print Network [OSTI]

In many environments organic matter significantly contributes to the composition of atmospheric aerosol particles influencing its properties. Detailed chemical characterization of ambient aerosols is critical in order to ...

Hohaus, T.

66

The 2dF Galaxy Redshift Survey: The power spectrum and the matter content of the universe  

E-Print Network [OSTI]

The 2dF Galaxy Redshift Survey has now measured in excess of 160000 galaxy redshifts. This paper presents the power spectrum of the galaxy distribution, calculated using a direct FFT-based technique. We argue that, within the k-space region 0.02matter content of the universe. Our results show that models containing baryon oscillations are mildly preferred over featureless power spectra. Analysis of the data yields 68% confidence limits on the total matter density times the Hubble parameter \\Omega_m h = 0.20 +/- 0.03, and the baryon fraction \\Omega_b/\\Omega_m = 0.15 +/- 0.07, assuming scale-invariant primordial fluctuations.

Will J. Percival; Carlton M. Baugh; Joss Bland-Hawthorn; Terry Bridges; Russell Cannon; Shaun Cole; Matthew Colless; Chris Collins; Warrick Couch; Gavin Dalton; Roberto De Propris; Simon P. Driver; George Efstathiou; Richard S. Ellis; Carlos S. Frenk; Karl Glazebrook; Carole Jackson; Ofer Lahav; Ian Lewis; Stuart Lumsden; Steve Maddox; Stephen Moody; Peder Norberg; John A. Peacock; Bruce A. Peterson; Will Sutherland; Keith Taylor

2001-05-15T23:59:59.000Z

67

Exploring the Quark-Gluon Content of Hadrons: From Mesons to Nuclear Matter  

SciTech Connect (OSTI)

Even though Quantum Chromodynamics (QCD) was formulated over three decades ago, it poses enormous challenges for describing the properties of hadrons from the underlying quark-gluon degrees of freedom. Moreover, the problem of describing the nuclear force from its quark-gluon origin is still open. While a direct solution of QCD to describe the hadrons and nuclear force is not possible at this time, we explore a variety of developed approaches ranging from phenomenology to first principle calculations at one or other level of approximation in linking the nuclear force to QCD. The Dyson Schwinger formulation (DSE) of coupled integral equations for the QCD Green’s functions allows a non-perturbative approach to describe hadronic properties, starting from the level of QCD n-point functions. A significant approximation in this method is the employment of a finite truncation of the system of DSEs, that might distort the physical picture. In this work we explore the effects of including a more complete truncation of the quark-gluon vertex function on the resulting solutions for the quark 2-point functions as well as the pseudoscalar and vector meson masses. The exploration showed strong indications of possibly large contributions from the explicit inclusion of the gluon 3- and 4-point functions that are omitted in this and previous analyses. We then explore the possibility of extrapolating state of the art lattice QCD calculations of nucleon form factors to the physical regime using phenomenological models of nucleon structure. Finally, we further developed the Quark Meson Coupling model for describing atomic nuclei and nuclear matter, where the quark-gluon structure of nucleons is modeled by the MIT bag model and the nucleon many body interaction is mediated by the exchange of scalar and vector mesons. This approach allows us to formulate a fully relativistic theory, which can be expanded in the nonrelativistic limit to reproduce the well known phenomenological Skyrme-type interaction density functional, thus providing a direct link to well modeled nuclear forces. Moreover, it allows for a derivation of the equation of state for cold uniform dense nuclear matter for application to calculations of the properties of neutron stars.

Hrayr Matevosyan

2007-07-09T23:59:59.000Z

68

Neutron reflectrometry reveals the internal structure of natural organic matter deposited onto an aluminum oxide  

SciTech Connect (OSTI)

Organic carbon (OC) stabilization in soils plays a significant role in the global C cycle, therefore understanding the structure and function of the OC soil mineral interface is of high importance. To study the interface, films of simple OC compounds and natural organic matter (NOM) were deposited onto a soil mineral analogue (Al2O3) using spin coating and were exposed to humidity. The thickness, density and structure of the films were studied using a depth-sensitive, nano-scale technique of neutron reflectometry. A single homogenous layer was observed when NOM and glucose (GL) were adsorbed onto Al2O3. However, when stearic acid (SA) was added to either NOM or GL, separate layers attributed to SA and either NOM or GL were detected. The formation of distinct, immiscible layers is due to insolubility of SA with NOM and GL. In contrast, GL and NOM are both water-soluble, and therefore soluble with each other, forming a homogenous layer on the mineral surface. Our results suggest that the extent of complex layering formed on the OC mineral interface may depend on the relative solubility of the compounds.

Mayes, Melanie [ORNL; Jagadamma, Sindhu [ORNL; Ambaye, Haile Arena [ORNL; Petridis, Loukas [ORNL; Lauter, Valeria [ORNL

2013-01-01T23:59:59.000Z

69

Determination of thiol functional groups on bacteria and natural organic matter in environmental systems  

SciTech Connect (OSTI)

Organic thiols (R-SH) are known to react and form complexes with some toxic soft metals such as mercury (Hg) in both biotic and abiotic systems. However, a clear understanding of these interactions is currently limited because quantifying thiols in environmental matrices is difficult due to their low abundance, susceptibility to oxidation, and measurement interference by non-thiol compounds in samples. Here, we report a fluorescence-labeling method using a maleimide containing probe, ThioGlo-1 (TG-1), to determine total thiols directly on bacterial cells and natural organic matter (NOM). We systematically evaluated the optimal thiol labeling conditions and interference from organic compounds such as disulfide, methionine, thiourea, and amine, and inorganic ions such as Na+, K+, Ca2+, Fe2+, Cl-, SO42-, HCO3-, and SCN-, and found that the method is highly sensitive and selective. Only relatively high levels of sulfide (S2-) and sulfite (SO32-) significantly interfere with the thiol analysis. The method was successful in determining thiols in a bacterium Geobacter sulfurreducens PCA and its mutants in a phosphate buffered saline solution. The measured value of ~2.1 104 thiols cell-1 (or ~0.07 mol g-1 wet cells) is in good agreement with that observed during reactions between Hg and PCA cells. Using the standard addition, we determined the total thiols of two reference NOM samples, the reduced Elliot soil humic acid and Suwanee River NOM, to be 3.6 and 0.7 mol g-1, respectively, consistent with those obtained based on their reactions with Hg.

Anandha Rao, Balaji [ORNL] [ORNL; Lin, Hui [ORNL] [ORNL; Liang, Liyuan [ORNL] [ORNL; Gu, Baohua [ORNL] [ORNL

2014-01-01T23:59:59.000Z

70

Quantification of loss of calcite, pyrite, and organic matter due to weathering of Toarcian black shales and effects on kerogen and bitumen characteristics  

SciTech Connect (OSTI)

Comparison of geochemical data on Posidonia Shale (Early Toarcian) from a shallow unweathered core and from adjacent weathered exposures of the same facies was performed. Results revealed that quantitatively the most affected petrographic constituent is pyrite and that organic matter and carbonate were also altered by weathering. Due to this process of weathering, the bulk composition of organic matter, especially the molecular composition of soluble organic matter and the fluorescence color of organic particles, are changed. Estimates of weathering rates reveal that the annual release of sulfur and organic carbon from black shales may significantly add to anthropogenic pollution.

Littke, R.; Klussmann, U.; Krooss, B.; Leythaeuser, D. (Inst. fuer Erdoel und organische Geochemie, Juelich (West Germany))

1991-11-01T23:59:59.000Z

71

Action plan for responses to abnormal conditions in Hanford Site radioactive waste tanks with high organic content. Revision 1  

SciTech Connect (OSTI)

This action plan describes the criteria and the organizational responsibilities required for ensuring that waste storage tanks with high organic contents are maintained in a safe condition at the Hanford Site. In addition, response actions are outlined for (1) prevention or mitigation of excessive temperatures; or (2) a material release from any waste tank with high organic content. Other response actions may be defined by Westinghouse Hanford Company Systems Engineering if a waste tank parameter goes out of specification. Trend analysis indicates the waste tank parameters have seasonal variations, but are otherwise stable.

Fowler, K.D.

1993-07-01T23:59:59.000Z

72

The Relationships of Particulate Matter and Particulate Organic Carbon with Hypoxic Conditions Along the Texas-Louisiana Shelf  

E-Print Network [OSTI]

an onboard surface-water flow-through system, CTD casts, and by an undulating towed vehicle. Total particulate matter and particulate organic carbon samples were obtained from Niskin bottles on CTD casts. Samples were also taken to measure dissolved oxygen...

Zuck, Nicole A

2014-08-06T23:59:59.000Z

73

Metal binding to dissolved organic matter and adsorption to ferrihydrite in shallow peat groundwaters: Application to diamond exploration  

E-Print Network [OSTI]

Metal binding to dissolved organic matter and adsorption to ferrihydrite in shallow peat t The speciation and solubility of kimberlite pathfinder metals (Ni, Nd, Ba and K) in shallow peat ground- waters with kimberlite pathfinder metals and determine the spatial distribution of those metals in shallow peat

74

Micromorphological and (bio)chemical organic matter changes in a formerly cutover peat bog : Le Russey, Jura Mountains, France.  

E-Print Network [OSTI]

Micromorphological and (bio)chemical organic matter changes in a formerly cutover peat bog : Le. In order to moniter peat reaccumulation and hence long-term carbon sequestration in peatlands which have ([1]). Among these indicators, it has previously been shown that physico-chemical properties of peat

Paris-Sud XI, Université de

75

Effects of Soil Organic Matter on the Kinetics and Mechanisms of Pb(II) Sorption and Desorption in Soil  

E-Print Network [OSTI]

Effects of Soil Organic Matter on the Kinetics and Mechanisms of Pb(II) Sorption and Desorption in Soil Daniel G. Strawn* and Donald L. Sparks ABSTRACT make better predictions about the mobility and threat from Pb contami- and desorption behavior on soil be understood, as wellnated soil, it is critical

Sparks, Donald L.

76

Organic Tank Safety Project: development of a method to measure the equilibrium water content of Hanford organic tank wastes and demonstration of method on actual waste  

SciTech Connect (OSTI)

Some of Hanford`s underground waste storage tanks contain Organic- bearing high level wastes that are high priority safety issues because of potentially hazardous chemical reactions of organics with inorganic oxidants in these wastes such as nitrates and nitrites. To ensure continued safe storage of these wastes, Westinghouse Hanford Company has placed affected tanks on the Organic Watch List and manages them under special rules. Because water content has been identified as the most efficient agent for preventing a propagating reaction and is an integral part of the criteria developed to ensure continued safe storage of Hanford`s organic-bearing radioactive tank wastes, as part of the Organic Tank Safety Program the Pacific Northwest National Laboratory developed and demonstrated a simple and easily implemented procedure to determine the equilibrium water content of these potentially reactive wastes exposed to the range of water vapor pressures that might be experienced during the wastes` future storage. This work focused on the equilibrium water content and did not investigate the various factors such as @ ventilation, tank surface area, and waste porosity that control the rate that the waste would come into equilibrium, with either the average Hanford water partial pressure 5.5 torr or other possible water partial pressures.

Scheele, R.D.; Bredt, P.R.; Sell, R.L.

1996-09-01T23:59:59.000Z

77

Sources and Fate of Chromophoric Dissolved Organic Matter in the Arctic Ocean and Surrounding Watersheds  

E-Print Network [OSTI]

Drift UHW Upper halocline water layer WGC West Greenland Current ix TABLE OF CONTENTS Page ABSTRACT... .................................................................................................. vii TABLE OF CONTENTS .......................................................................................... ix LIST OF FIGURES ................................................................................................... xii LIST...

Walker, Sally Annette

2012-10-19T23:59:59.000Z

78

Organic Matter Transformation in the Peat Column at Marcell Experimental Forest: Humification and Vertical Stratification  

SciTech Connect (OSTI)

A large-scale ecosystem manipulation (Spruce and Peatland Responses under Climatic and Environmental Change, SPRUCE) is being constructed in the Marcell Experimental Forest, Minnesota, USA, to determine the effects of climatic forcing on ecosystem processes in northern peatlands. Prior to the initiation of the manipulation, we characterized the solid-phase peat to a depth of 2 meters using a variety of techniques, including peat C:N ratios, 13C and 15N isotopic composition, Fourier Transform Infrared (FT IR), and 13C Nuclear Magnetic Resonance spectroscopy (13C NMR). FT IR determined peat humification-levels increased rapidly between and 75 cm, indicating a highly reactive zone. We observed a rapid drop in the abundance of O-alkyl-C, carboxyl-C, and other oxygenated functionalities within this zone and a concomitant increase in the abundance of alkyl- and nitrogen-containing compounds. Below 75-cm, minimal change was observed except that aromatic functionalities accumulated with depth. Incubation studies revealed the highest methane production rates and greatest CH4:CO2 ratios within this and 75 cm zone. Hydrology and surface vegetation played a role in belowground carbon cycling. Radiocarbon signatures of microbial respiration products in deeper porewaters resembled the signatures of dissolved organic carbon rather than solid phase peat, indicating that more recently photosynthesized organic matter fueled the bulk of subsurface microbial respiration. Oxygen-containing functionalities, especially O-alkyl-C, appear to serve as an excellent proxy for soil decomposition rate, and in addition should be a sensitive indicator of the response of the solid phase peat to the climatic manipulation.

Tfaily, Malak [Florida State University, Tallahassee; Cooper, Bill [Florida State University, Tallahassee; Kostka, [Georgia Institute of Technology, Atlanta; Chanton, Patrick R [ORNL; Schadt, Christopher Warren [ORNL; Hanson, Paul J [ORNL; Iversen, Colleen M [ORNL; Chanton, Jeff P [ORNL

2014-01-01T23:59:59.000Z

79

Soil organic matter factions of no-tilled and tilled soils and their reactivity with herbicides  

SciTech Connect (OSTI)

Properties of soil humic fractions were determined on surface and 7.5-15.0 cm soil samples of continuously (7-year) no-tilled and tilled cotton, corn, and soybean plots in West Tennessee. Soil humic and fulvic acid were extracted by standard methods and the humic acid was characterized by /sup 13/C-NMR spectroscopy, titration of total acidity and carboxyl groups, and infrared and elemental analysis. Humic acid composition differed by depth and crop. Small differences were observed between tillage systems. Humic acid aliphatic and aromatic carbons ranged from 48 to 65% and 25 to 40% of total peak area, respectively. The humic acids extracted from soils with larger amounts of carbon had larger aliphatic to aromatic ratios, indicating less decomposed organic matter. Carboxyl groups of the humic acids ranged from 9 to 13% and samples from tilled soil had slightly greater amounts of carboxyl and aromatic groups. Carboxyl group determinations by /sup 13/C-NMR, compared more closely with total acidity determinations by titration than with carboxyl determinations by titration. All infrared spectra were similar. Elemental composition of humic acid averaged C, 52.7%, 5.6%; N, 4.8%, and 36.9%.

Stearman, G.K.

1987-01-01T23:59:59.000Z

80

by the ratio of biogas production to organic matter input : 0.20 to 0.3 M3/kg organic When considering the period of steady operation, i.e. without technical problems such  

E-Print Network [OSTI]

by the ratio of biogas production to organic matter input : 0.20 to 0.3 M3/kg organic matter. When of digestible amino acids. The definition of availability is recalled and the methods used to estimate it briefly examined ; that based on measurements of the apparent digestibility being apparently the most

Paris-Sud XI, Université de

Note: This page contains sample records for the topic "organic matter content" 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

The thermal maturation degree of organic matter from source rocks revealed by wells logs including examples from Murzuk Basin, Libya  

SciTech Connect (OSTI)

The customary technique used to know the organic matter quantity per rock volume it as well as the organic matter maturation stage is based on geochemical analyses accomplished on a preselected number of samples and cuttings drawn from boreholes during the drilling period. But the same objectives can be approached without any extra cost using the continuous measurements of well logs recorded in each well from the ground surface to the total depth. During the diagenetic stage, the identification of potential source rocks out of which no hydrocarbon have been generated may be carried out using a well logging suite including Gamma Ray Spectrometry, the Compensated Neutron/Litho Density combination and a Dual Induction/Sonic Log. During the catagenetic stage the onset of oil generation brings some important changes in the organic matter structure as well as in the fluid distribution throughout the pore space of source rocks. The replacement of electric conductive water by electric non-conductive hydrocarbons, together with water and oil being expelled from source rocks represent a process of different intensities dependent of time/temperature geohistory and kerogen type. The different generation and expulsion scenarios of hydrocarbons taking place during the catagenetic and metagenetic stages of source rocks are very well revealed by Induction and Laterolog investigations. Several crossplots relating vitrinite reflectance, total organic carbon and log-derived physical parameters are illustrated and discussed. The field applications are coming from Murzuk Basin, where Rompetrol of Libya is operating.

Negoita, V.; Gheorghe, A.

1995-08-01T23:59:59.000Z

82

Evaluation of organic matter, Subsurface temperature nd pressure with regard to gas generation in low-permeability upper cretaceous and lower tertiary sandstones in Pacific Creek area, sublette and Sweetwater Counties, Wyoming  

SciTech Connect (OSTI)

Investigations of a sequence of Upper Cretaceous and lower Tertiary rocks in the Pacific Creek area of Wyoming show that studies of organic matter content, type, and maturity in conjunction with subsurface temperature and reservoir pressure, will help define prospective gas-saturated intervals and delineate areas of maximum gas-resource potential. The onset of overpressuring occurs at about 11,600 ft (3,500 m), near the base of the Upper Cretaceous Lance Formation. Drill stem test data indicate that at about 12,800 ft (3,900 m) the pressure gradient is as high as 0.84 psi/ft (19.0 kPa/m). The development of overpressuring probably due to the active generation of large amounts of wet gas. Nearly coincident with the top of overpressuring is a reversal of the spontaneous potential (SP) curve that is thought to be caused by a reduction of formation water salinity. The very small amounts of water produced during thermochemical decomposition of organic matter and the dehydration of clays during clay transformation may provide enough low-salinity water to effictively dilute the original formation water to a degree that the formation water resistivity is greater than mud filtrate resistivity. Microscopic and geochemical evaluation of organic matter shows that they are dominantly humic-type kerogen. Total organic carbon contents of 26 samples range from 0.25 to 7.84 weight percent. Most samples exceed 0.5 percent organic carbon and the average is 1.38 percent. A vertial profile of organic maturation, shows that the top of overpressuring and beginning of important wet-gas generation occur at vitrinite reflectance values of 0.74 to 0.86. (JMT)

Law, B.E.; Spencer, C.W.; Bostick, N.H.

1980-04-01T23:59:59.000Z

83

Genome-Based Models to Optimize In Situ Bioremediation of Uranium and Harvesting Electrical Energy from Waste Organic Matter  

SciTech Connect (OSTI)

The goal of this research was to provide computational tools to predictively model the behavior of two microbial communities of direct relevance to Department of Energy interests: 1) the microbial community responsible for in situ bioremediation of uranium in contaminated subsurface environments; and 2) the microbial community capable of harvesting electricity from waste organic matter and renewable biomass. During this project the concept of microbial electrosynthesis, a novel form of artificial photosynthesis for the direct production of fuels and other organic commodities from carbon dioxide and water was also developed and research was expanded into this area as well.

Lovley, Derek R

2012-12-28T23:59:59.000Z

84

increased in the case of dry matter or organic matter (apparent digestibility coefficient (ADC) 87.3 and 89.o for groups i and 6). The digestibility of nitrogen increased in the same propor-  

E-Print Network [OSTI]

increased in the case of dry matter or organic matter (apparent digestibility coefficient (ADC) = 87.3 and 89.o for groups i and 6). The digestibility of nitrogen increased in the same propor- tions p. ioo MPC). The maize protein concentrate studied has the advantage of being remarkably digestible

Paris-Sud XI, Université de

85

The Effects of Moisture and Organic Matter Lability on Carbon Dioxide and Methane Production in an  

E-Print Network [OSTI]

amounts of carbon in the form of peat and other undecomposed plant matter. Global climate change al. 2003). The carbon stored in wetlands is in the form of undecayed plant matter, or peat. Peat carbon are very useful for agricultural purposes. Their peat and preserved timber has been mined

Vallino, Joseph J.

86

Physiological changes in cultured Sorghum bicolor (L.) Moench cells in response to induced water stress: osmotic potential, relative water content, carbohydrates, organic acids, potassium, and amino acids  

E-Print Network [OSTI]

UUZEZCLUUZCRL CIIEUEE IE CULTURED ~8OR ICE RICCICR IL ) MOBMCH CELLS IE RESPONSE TO INDUCED WATER STRESS OSMOTIC POTEMTZAL E RELATIVE WATER CONTENT E CARBOHYDRATES U ORGANIC ACIDS@ POTASSIUM E AED AMINO ACIDS A Thesis by RICARDO DIQUEZ... ZN RESPONSB TO IHDUCBD WATBR STRESS'- OSMOTIC POTENTIAL~ RELATIVE WATER CONTENT~ CARBOHYDRATES, ORGANIC ACIDS, POTASSIUM, AND AMINO ACIDS A Thesis by RICARDO DIQUEZ Approved as to style and content by: Roberta H. Smith (Chair of Committee...

Diquez, Ricardo

1987-01-01T23:59:59.000Z

87

Organic Matter Composition, Recycling Susceptibility, and the Effectiveness of the Biological Pump – An Evaluation Using NMR Spectra of Marine Plankton  

SciTech Connect (OSTI)

Carbon (C) sequestration through fertilization of phytoplankton with micronutrients and enhancement of the absorption and retention of atmospheric C by ocean biota heavily depends on the efficiency of the “biological pump”. The long-term effectiveness of this strategy depends on a net transfer of C from the upper ocean-atmosphere system to the deep ocean where the C is removed from contact with the atmosphere for an extended period of time. This C removal can be equated to the amount of C fixation by phytoplankton minus the C cycling and regeneration in the euphotic zone. If the regeneration efficiency is increased, then despite increased C fixation, no net loss (sequestration) of C will result. A reduction in cycling efficiency in the euphotic zone, on the other hand, will increase the effectiveness of the “biological pump” and thus C sequestration. The degree of organic matter biodegradation and recycling depends on the “reactivity” of compounds synthesized by the biota, which in turn, is controlled by the structural characteristic of these compounds. There is considerable evidence that different phytoplankton taxa differ substantially in their biogeochemical characteristics and it is likely that the relative abundance of different compounds synthesized by these distinct taxa, and even within each group at different growth conditions, will differ too. This variability in biosynthesis and thus abundance of a wide range of organic compounds in the water column would lend itself to different susceptibility for biodegradation and regeneration. Knowledge of the distribution of various organic matter structural groups synthesized by distinct taxa, the dependence of the organic matter compound classes on different growth conditions (temperature, light, nutrients) and the selective susceptibility of these compound to regeneration is crucial for estimating the potential for rapid regeneration in the euphotic zone, and thus the effectiveness of the “biological pump”.

Paytan, Adina [UCSC] [UCSC

2014-02-19T23:59:59.000Z

88

The temporal dynamics of terrestrial organic matter transfer to the oceans : initial assessment and application  

E-Print Network [OSTI]

This thesis employs compound-specific stable carbon and radiocarbon isotopic analysis of organic biomarkers to (a) resolve petrogenic from pre-aged vascular plant organic carbon (OC) in continental margin sediments, (b) ...

Drenzek, Nicholas J

2007-01-01T23:59:59.000Z

89

Fractionation of Dissolved Solutes and Chromophoric Dissolved Organic Matter During Experimental Sea Ice Formation.  

E-Print Network [OSTI]

In the past decade there has been an overall decrease in Arctic Ocean sea ice cover. Changes to the ice cover have important consequences for organic carbon cycling, especially over the continental shelves. When sea ice is formed, dissolved organic...

Smith, Stephanie 1990-

2012-04-16T23:59:59.000Z

90

APPLICATION OF CARBOHYDRATES AND PHENOLS AS BIOMARKERS TO STUDY DISSOLVED ORGANIC MATTER RESERVOIRS IN ARCTIC RIVERS.  

E-Print Network [OSTI]

Arctic rivers are the dominant pathways for the transport of terrestrial dissolved organic carbon to the Arctic Ocean, but knowledge of sources, transformations and transfer of organic carbon and nitrogen in Arctic river watersheds is extremely...

McMahon, Rachel

2014-01-22T23:59:59.000Z

91

Interaction of Polar and Nonpolar Organic Pollutants with Soil Organic Matter: Sorption Experiments and Molecular Dynamics Simulation  

E-Print Network [OSTI]

The fate of organic pollutants in the environment is influenced by several factors including the type and strength of their interactions with soil components especially SOM. However, a molecular level answer to the question How organic pollutants interact with SOM? is lacking. In order to explore mechanisms of this interaction, we have developed a new SOM model followed by carrying out molecular dynamics (MD) simulations in parallel with sorption experiments. The new SOM model comprises free SOM functional groups (carboxylic acid and naphthalene) as well as SOM cavities (with two different sizes), representing the soil voids, containing the same SOM functional groups. To examine the effect of the hydrophobicity on the interaction, the organic pollutants hexachlorobenzene (HCB, non-polar) and sulfanilamide (SAA, polar) were considered. The experimental and the theoretical outcomes explored four major points regarding sorption of SAA and HCB on soil. 1. The interaction depends on the SOM chemical composition mo...

Ahmed, Ashour A; Aziz, Saadullah G; Hilal, Rifaat H; Elroby, Shaaban A; Al-Youbi, Abdulrahman O; Leinweber, Peter; Kühn, Oliver

2014-01-01T23:59:59.000Z

92

ORGANIC CONTENT OF LAKE WATER By EDWARD A. BIRGE and CHANCEY JUDAY  

E-Print Network [OSTI]

of the nature of the organic compounds. Thus it furnishes the beginnings of an inventory of the primary food was based Oil the same samples as those employed in the present paper; it is the source of the nitrogen

93

Absorption and fluorescence of chromophoric dissolved organic matter in the Pearl River Estuary, South China  

E-Print Network [OSTI]

plant decay matter: tryptophan-like fluorophore T had the strongest signal among all fluorophores originates from degradation of plant materials in terrestrial and aquatic ecosystems (Kirk, 1994). It plays in prin- ciple be determined with remote sensing techniques. In offshore waters, CDOM is presumably

94

Organic Geochemistry of the CenomanianTuronian Bahloul Formation Petroleum Source Rock, Central and Northern Tunisia  

E-Print Network [OSTI]

1 Organic Geochemistry of the Cenomanian­Turonian Bahloul Formation Petroleum Source Rock, Central and around diapirs of the Triassic salt. Key words: Organic matter, Petroleum Source Rock, Cenomanian (TOC) determination, Rock-Eval pyrolysis, extractable organic matter content (EOM) fractionation

Paris-Sud XI, Université de

95

E-Print Network 3.0 - anthropic organic matter Sample Search...  

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

soils in the World Reference Base for Soil Resources Summary: ' materials: "unconsolidated mineral or organic material resulting from land fills, mine spoil, urban fill......

96

Development of infaunal populations and below-ground organic matter from three created Spartina alterniflora marshes in Galveston Bay, Texas  

E-Print Network [OSTI]

. 5-cm cores taken at the created salt marshes on Pelican Spit before and after the creation of the 92Marsh . . . 51 Fig. 19. Trophic relationships within the polychaetes at the 83Marsh, 87Marsh, and natural marshes during 1990/1991 (before creation... of the 92Marsh) and at the 83Marsh, 87Marsh, and 92Marsh during 1992/1994 (the two years following creaticn Of the 92Marsh) 53 Fig. 20. Plot of the relationship between the results of the two procedures for measuring sediment organic content...

Goldberg, Alisha Renee

1996-01-01T23:59:59.000Z

97

The distribution and composition of organic matter in recent deltaic and submarine fan sediments  

E-Print Network [OSTI]

plants have a low nitrogen content and, consequently, a hi. gh C/N ratio. Lignins are structurally complex phenolic polymers consisting of carbon, hydrogen and oxygen and are highly resistant to decomposition (Hyne, 1978). They bind the cellulose... in carbon isotopic composition between land and marine plants is partially attributed to the fact that atmospheric C02 is depleted in C relative to the inorganic carbon pool of the oceans (Hunt, 1966; Deuser and Degens, 1967; Degens, 1969; Fry and Sherr...

DeFreitas, Debra Ann

1988-01-01T23:59:59.000Z

98

Biogeochemical and hydrographic controls on chromophoric dissolved organic matter distribution in the Pacific Ocean  

E-Print Network [OSTI]

in the Pacific Ocean Chantal M. Swan a,Ă?, David A. Siegel a,b , Norman B. Nelson a , Craig A. Carlson c , Elora Available online 19 September 2009 Keywords: CDOM AOU Pacific Water masses Hydrography Bio-optical a b s t r a c t Recent in situ observations of chromophoric dissolved organic material (CDOM) in the Pacific

Siegel, David A.

99

FIA-12-0020- In the Matter of California-Arizona-Nevada District Organization Contract Compliance  

Broader source: Energy.gov [DOE]

The Office of Hearings and Appeals granted a Motion for Reconsideration of part of a Decision we issued on March 23, 2012, relating to appeals filed by California-Arizona-Nevada District Organization Contract Compliance (CANDO) under the Freedom of Information Act (FOIA).

100

FIA-12-0005- In the Matter of California-Arizona-Nevada District Organization Contract Compliance  

Broader source: Energy.gov [DOE]

The Office of Hearings and Appeals issued one Decision relating to two appeals filed by California-Arizona-Nevada District Organization Contract Compliance (CANDO) from two determination letters issued by the Loan Guarantee Program Office (LGPO) of the Department of Energy (DOE) under the Freedom of Information Act (FOIA).

Note: This page contains sample records for the topic "organic matter content" 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

FIA-12-0004- In the Matter of California-Arizona-Nevada District Organization Contract Compliance  

Broader source: Energy.gov [DOE]

The Office of Hearings and Appeals issued one Decision relating to two appeals filed by California-Arizona-Nevada District Organization Contract Compliance (CANDO) from two determination letters issued by the Loan Guarantee Program Office (LGPO) of the Department of Energy (DOE) under the Freedom of Information Act (FOIA).

102

Burial and decomposition of particulate organic matter in a temperate, siliciclastic, seasonal wetland  

E-Print Network [OSTI]

of the net primary productivity (NPP) of terrestrial ecosystems depends on nutrients recycled through the decomposition of plant detritus (Swift et al. 1979, Vargo et al. 1998). Thus, a better understanding of organic decomposition in wetland sediments... was then transported to the site in an anaerobic chamber constructed of PVC and maintained 12 under deoxygenated conditions until insertion into the slough sediments. The peeper was positioned in the slough for 2 weeks to allow equilibration and diffusion...

Welsh, Lisa Williamson

2009-05-15T23:59:59.000Z

103

Role of natural organic matter in governing the bioavailability of toxic metals to american oysters  

E-Print Network [OSTI]

ligand properties related to their A- or B-type (hard or soft) character, influencing their interactions with other particles. For instance, Cd, Hg, Zn, and Ag are B-type or transition metals preferring sulfur-containing ligands to N- or O... in these experiments: Alginic Acid (AA), Carrageenan (C) -Type 1 or kappa and natural colloidal organic carbon (COC). While alginic acid has coagulant properties, and carrageenans have anticoagulant and antiviral properties (Libes, 1992), both are used as emulsifiers...

Haye, Jennifer Marcelle

2006-08-16T23:59:59.000Z

104

grandidentata in the field at ambient and twice ambient CO2 in open bottom root boxes filled with organic matter poor native soil. Nitrogen  

E-Print Network [OSTI]

: CARBON DIOXIDE, ENRICHMENT, NITROGEN, PHOTOSYNTHESIS,QUERCUS-ALBA, SEEDLINGGROWTH,TREES 480 Cushman, J with organic matter poor native soil. Nitrogen was added to all root boxes at a rate equivalent to net N mineralization in local dry oak forests. Nitrogen added during August was enriched with N-25 to trace the flux

105

Evolution of organic matter indicators in response to major environmental changes: The case of a formerly cut-over peat bog (Le Russey, Jura Mountains, France)  

E-Print Network [OSTI]

of a formerly cut-over peat bog (Le Russey, Jura Mountains, France) Laure Comont, Fatima Laggoun-Défarge, Jean To assess whether the biochemical characteristics of peat can provide clues for past ecosystem changes monosaccharide determination of peat organic matter (OM) and the dominant living plants from a formerly cut

Paris-Sud XI, Université de

106

The effect of cropping systems on the organic matter content and on certain physical properties of Miller clay  

E-Print Network [OSTI]

Kk'~r 'Uxkk&x six * i? ? pc. o- ~ ~ p 0 ft ~ ~ ~ 1? kAlrsge yercentsge oi' sir sysce yorositf ia 3;h inch sag $A inch fieig co~ nader sin Ciffereat egstens of croyyingp ~ ~ i 4 ~ ~ i ~ i ~ 0 ~ 4 ~ 4 ~ 4 ~ , 14 2. keersgs yercoXstion rate of 1& inch cores...U. stribution of roots. The nse of chewy-rooted' ylents or snbsoili~~ or both cc~ helys to icapmve the yorositf of this oonys~~ leper. Sccbsoilin"- is in nost esses s, ~~ yrsotioe to eDow yossible 4eeyer root yenetrstion by gxssses snn jbis svUtg v ss Qesi:coed...

Mills, Jim Frank

1953-01-01T23:59:59.000Z

107

Impacts of Mid-level Biofuel Content in Gasoline on SIDI Engine-Out and Tailpipe Particulate Matter Emissions: Preprint  

SciTech Connect (OSTI)

The influences of ethanol and iso-butanol blended with gasoline on engine-out and post Three-Way Catalyst (TWC) particle size distribution and number concentration were studied using a GM 2.0L turbocharged Spark Ignition Direct Injection (SIDI) engine. The engine was operated using the production ECU with a dynamometer controlling the engine speed and the accelerator pedal position controlling the engine load. A TSI Fast Mobility Particle Sizer (FMPS) spectrometer was used to measure the particle size distribution in the range from 5.6 to 560 nm with a sampling rate of 1 Hz. US federal certification gasoline (E0), two ethanol-blended fuels (E10 and E20), and 11.7% iso-butanol blended fuel (BU12) were tested. Measurements were conducted at ten selected steady-state engine operation conditions. Bi-modal particle size distributions were observed for all operating conditions with peak values at particle sizes of 10 nm and 70 nm. Idle and low speed / low load conditions emitted higher total particle numbers than other operating conditions. At idle, the engine-out Particulate Matter (PM) emissions were dominated by nucleation mode particles, and the production TWC reduced these nucleation mode particles by more than 50%, while leaving the accumulation mode particle distribution unchanged. At engine load higher than 6 bar NMEP, accumulation mode particles dominated the engine-out particle emissions and the TWC had little effect. Compared to the baseline gasoline (E0), E10 does not significantly change PM emissions, while E20 and BU12 both reduce PM emissions under the conditions studied. Iso-butanol was observed to impact PM emissions more than ethanol, with up to 50% reductions at some conditions. In this paper, the issues related to PM measurement using FMPS are also discussed. While some uncertainties are due to engine variation, the FMPS must be operated under careful maintenance procedures in order to achieve repeatable measurement results.

He, X.; Ireland, J. C.; Zigler, B. T.; Ratcliff, M. A.; Knoll, K. E.; Alleman, T. L.; Tester, J. T.

2011-02-01T23:59:59.000Z

108

The effect of water temperature on the adsorption equilibrium of dissolved organic matter and atrazine on granular activated carbon  

SciTech Connect (OSTI)

The influence of water temperature on the adsorption of natural dissolved organic matter (DOM) on activated carbon has not been investigated intensively yet. In this study, batch experiments with granular activated carbon (GAC) F300, from bituminous coal, have been carried out at three temperatures (5, 20, 35{sup o} C) using a humic acid model water and different types of surface water (lake, river, canal). Furthermore, the adsorption of an anthropogenic contaminant, atrazine, was quantified in the absence and presence of DOM. The results indicate a significant influence of water temperature on the adsorption equilibrium of DOM and atrazine. Contrary to expectations, DOM and atrazine adsorption in surface water tends to be increased with increasing water temperature, whereas the extent of this effect is dependent on the type and concentration of DOM. Furthermore, the temperature effect on atrazine adsorption is controlled by competition of DOM and atrazine on adsorption sites. Some assumptions are proposed and discussed for explaining the temperature effects observed in the batch studies. 39 refs., 4 figs., 2 tabs.

Bernd Schreiber; Viktor Schmalz; Thomas Brinkmann; Eckhard Worch [Dresden University of Technology, Dresden (Germany). Institute of Water Chemistry

2007-09-15T23:59:59.000Z

109

Dark Matter: Early Considerations  

E-Print Network [OSTI]

A review of the study of dark matter is given, starting with earliest studies and finishing with the establishment of the standard Cold Dark Matter paradigm in mid 1980-s. Particular attention is given to the collision of the classical and new paradigms concerning the matter content of the Universe. Also the amount of baryonic matter, dark matter and dark energy is discussed using modern estimates.

J. Einasto

2004-01-16T23:59:59.000Z

110

soil organic matter | EMSL  

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

Authors: Li G X Lu JY Kim MH Engelhard JP Lemmon VL Sprenkle Capabilities: NMR and EPR Spectroscopy and Diffraction Cell Isolation and Systems Analysis Deposition and...

111

Widespread influence of resuspended sediments on oceanic particulate organic carbon: Insights from radiocarbon and aluminum contents in sinking particles  

E-Print Network [OSTI]

between proxy records in a sediment drift, Science, 298,the Japan Sea measured with sediment traps, Mar. Chem. , 91,and organic constituents in sediments from the con- tinental

Hwang, Jeomshik; Druffel, Ellen R. M; Eglinton, Timothy I

2010-01-01T23:59:59.000Z

112

The effect of surface irradiance on the absorption spectrum of chromophoric dissolved organic matter in the global ocean  

E-Print Network [OSTI]

.2 mm), is responsible for nearly 90% of ultraviolet (UV) radiation attenuation in the global ocean matter in the global ocean Chantal M. Swan a,n , Norman B. Nelson a , David A. Siegel a,b , Tihomir S to better assess the impact of CDOM on surface ocean photochemistry and remote sensing of ocean color

Siegel, David A.

113

Organization  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary)morphinanInformation Desert Southwest Regionat CornellInternships,(SC) Laboratories »OrganicOrganization

114

[Namour P., Jaffrezic N. (2010) Trends in Analytical Chemistry, 29(8) 848-857, doi:10.1016/j.trac.2010.04.013] Sensors for measuring biodegradable and total organic matter in water1  

E-Print Network [OSTI]

Organic Nitrogen; MFC: Microbial Fuel20 Cell; OM: Organic Matter; PCA: Principal Component Analysis; PLS carbon (TOC or DOC) or nitrogen (TON or DON)]. These analyses do19 offer alternatives to COD and operation costs, and the need for21 sampling and sample

Paris-Sud XI, Université de

115

Influence of age and water stress upon organic acid content and nitrogen metabolism of Gossypium hirsutum L  

E-Print Network [OSTI]

, The nitrate content of barley, sweet pea, and red kidney bean increases in relation to the amount of soil moisture tension (69, 44, 13). The soil moisture tension was increased by uniformly increasing the osmotic pressure of the nutrient solution... determined with a nitrogen analyzer. Nitrate- nitrogen was determined with a nitrate ion electrode in conjunction with an expanded scale pH meter. A Beckman Nodel 120B amino acid analyzer and a Barber-Coleman dual column, dual flame ionization ges...

Coon, Craig Nelson

1970-01-01T23:59:59.000Z

116

1 Protection of Organic Carbon in Soil Microaggregates Occurs via Restructuring of Aggregate Porosity and Filling of Pores with Accumulating Organic Matter  

E-Print Network [OSTI]

1 Protection of Organic Carbon in Soil Microaggregates Occurs via Restructuring of Aggregate, and comparison of its extent among treatments suggests important feedback loops. The 41 use of USAXS, which has, and insights relevant to strategies for enhancing 44 carbon-sequestration in soil through changes

McCarthy, John F.

117

The Use of Stable and Radiocarbon Isotopes as a Method for Delineating Sources of Organic Matter in Anchialine Systems  

E-Print Network [OSTI]

productivity areas such as mangroves and tropical forests. Adjacent ecosystems contribute organic carbon to the cave systems via percolation, where it is then utilized by the obligate, cave-dwelling fish and invertebrates. Another potential pathway through...

Neisch, Julie A

2013-05-08T23:59:59.000Z

118

Contribution of bacterial cells to lacustrine organic matter based on amino sugars and D-amino acids  

E-Print Network [OSTI]

is processed through the microbial loop (Ducklow, 2000). Fresh OM has high carbon-normalized yields of amino to the ASs, highest carbon normalized D-AA concentrations were found in the upper water column. For Lake Brienz 0.2­14% of the organic carbon pool originated from bacterial cells, compared to only 0

Wehrli, Bernhard

119

Effects of oxyanions, natural organic matter, and bacterial cell numbers on the bioreduction of lepidocrocite ({gamma}-FeOOH) and the formation of secondary mineralization products.  

SciTech Connect (OSTI)

Microbial reduction of Fe(III) oxides results in the production of Fe(II) and may lead to the subsequent formation of Fe(II)-bearing secondary mineralization products including magnetite, siderite, vivianite, chukanovite (ferrous hydroxy carbonate (FHC)), and green rust; however, the factors controlling the formation of specific Fe(II) phases are often not well-defined. This study examined effects of (i) a range of inorganic oxyanions (arsenate, borate, molybdate, phosphate, silicate, and tungstate), (ii) natural organic matter (citrate, oxalate, microbial extracellular polymeric substances [EPS], and humic substances), and (iii) the type and number of dissimilatory iron-reducing bacteria on the bioreduction of lepidocrocite and formation of Fe(II)-bearing secondary mineralization products. The bioreduction kinetics clustered into two distinct Fe(II) production profiles. 'Fast' Fe(II) production kinetics [19-24 mM Fe(II) d-1] were accompanied by formation of magnetite and FHC in the unamended control and in systems amended with borate, oxalate, gellan EPS, or Pony Lake fulvic acid or having 'low' cell numbers. Systems amended with arsenate, citrate, molybdate, phosphate, silicate, tungstate, EPS from Shewanella putrefaciens CN32, or humic substances derived from terrestrial plant material or with 'high' cell numbers exhibited comparatively slow Fe(II) production kinetics [1.8-4.0 mM Fe(II) d-1] and the formation of green rust. The results are consistent with a conceptual model whereby competitive sorption of more strongly bound anions blocks access of bacterial cells and reduced electron-shuttling compounds to sites on the iron oxide surface, thereby limiting the rate of bioreduction.

O'Loughlin, E. J.; Gorski, C. A.; Scherer, M. M.; Boyanov, M. I.; Kemner, K. M.; Biosciences Division; Univ. of Iowa

2010-06-15T23:59:59.000Z

120

Personal Finance Make Your Money Matter  

E-Print Network [OSTI]

Personal Finance Make Your Money Matter Name: Registration number: Department: Year of study of your portfolio. #12;Personal Finance Make Your Money Matter2 Contents Timetable Page 3 Introduction 16 #12;Personal Finance Make Your Money Matter3 Timetable Friday 6.00 pm Introduction

Stevenson, Mark

Note: This page contains sample records for the topic "organic matter content" 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

Investigations of release phenomenon of volatile organic compounds and particulates from residual storage chip piles  

SciTech Connect (OSTI)

This paper outlines the method for estimating Particulate Matter and Volatile Organic Compounds (VOCs) emissions from wood handling and storage operations at a pulp mill. Fugitive particulate matter emissions from wood handling and storage operations are due to material load/dropout operations, wind erosion from storage piles and vehicular traffic on paved roads. The particulate matter emissions are a function of a number of variables like windspeed, surface moisture content, material silt content, and number of days of precipitation. Literature review attributes VOC emissions to biological, microbiological, chemical, and physical processes occurring in wood material storage pile. The VOC emissions are from the surface of these piles and the VOC released during retrieval of chips from the pile. VOC emissions are based on the chip throughput, number of turnovers, moisture content and surface area of the pile. The emission factors with the requisite calculation methodology to be utilized for quantifying VOC emissions from chip piles has been discussed in this paper.

Mohan, S.; Nagarkatti, M. [Trinity Consultants, Inc., Baton Rouge, LA (United States)

1996-12-31T23:59:59.000Z

122

Dark Matters  

ScienceCinema (OSTI)

One of the greatest mysteries in the cosmos is that it is mostly dark.  Astronomers and particle physicists today are seeking to unravel the nature of this mysterious, but pervasive dark matter which has profoundly influenced the formation of structure in the universe.  I will describe the complex interplay between galaxy formation and dark matter detectability and review recent attempts to measure particle dark matter by direct and indirect means.

Joseph Silk

2010-01-08T23:59:59.000Z

123

TABLE OF CONTENTS  

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

Matter Physics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10 Graphene, Basic Superconductivity, Other Condensed Matter, Qubits & Quantum Entanglement,...

124

Effects of cropping-system, irrigation method, and soil properties on soil nitrogen and organic matter dynamics in the Big Horn Basin  

E-Print Network [OSTI]

concerns interact to create a need for better understanding of production efficiency and ecological impacts and maintenance of the resource base; and 2) evaluating long-term impacts of farming systems on the resource baseEffects of cropping-system, irrigation method, and soil properties on soil nitrogen and organic

Norton, Jay B.

125

Workbook Contents  

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

AM" "Back to Contents","Data 1: Price of Liquefied U.S. Natural Gas Re-Exports to China (Dollars per Thousand Cubic Feet)" "Sourcekey","NGMEPG0ERENUS-NCHDMCF"...

126

Workbook Contents  

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

"Back to Contents","Data 1: Price of Liquefied U.S. Natural Gas Exports by Vessel to China (Dollars per Thousand Cubic Feet)" "Sourcekey","NGMEPG0EVESAK-NCHDMCF"...

127

Workbook Contents  

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

2:47:13 AM" "Back to Contents","Data 1: Liquefied U.S. Natural Gas Exports by Vessel to China (Million Cubic Feet)" "Sourcekey","NGMEPG0EVESAK-NCHMMCF" "Date","Liquefied U.S....

128

Workbook Contents  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul Aug SepAnnual",2013Annual",2014 ,"ReleaseAnnual",2014Bcf)"ImportsDeliveries toHeat ContentHeat Content

129

Workbook Contents  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul Aug SepAnnual",2013Annual",2014 ,"ReleaseAnnual",2014Bcf)"ImportsDeliveriesHeat Content ofHeat Content

130

Workbook Contents  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul Aug SepAnnual",2013Annual",2014 ,"ReleaseAnnual",2014Bcf)"ImportsDeliveriesHeat ContentHeat Content of

131

Workbook Contents  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul Aug SepAnnual",2013Annual",2014 ,"ReleaseAnnual",2014Bcf)"ImportsDeliveriesHeat ContentHeat Content

132

Role of minerals in the thermal alteration of organic matter. IV. Generation of n-alkanes, acyclic isoprenoids, and alkenes in laboratory experiments  

SciTech Connect (OSTI)

A series of pyrolysis experiments, utilizing two different immature oil-prone kerogens mixed with common sedimentary minerals (calcite, illite, or Na-montmorillonite), was conducted to study the effects of minerals on the generation of n-alkanes, acyclic isoprenoids, and alkenes during laboratory-simulated catagenesis of kerogen. The influence of clay minerals on the aliphatic hydrocarbons is critically dependent on the water concentration during laboratory thermal maturation. Under extremely low contents of water, C/sub 12+/-range n-alkanes and acyclic isoprenoids are mostly destroyed by montmorillonite but undergo only a minor alteration with illite. Both clay minerals significantly reduce alkene formation during dry pyrolysis. Under hydrous conditions (mineral/water = 2:1), the effects of the clay minerals are substantially reduced. In addition, the dry-pyrolysis experiments show that illite and montmorillonite preferentially retain large amounts of the polar constituents of bitumen, but not n-alkanes of acyclic isoprenoids. Therefore, bitumen fractionation according to polarity differences occurs in the presence of these clay minerals. By this process, n-alkanes, and acyclic isoprenoids are concentrated in the bitumen fraction that is not strongly adsorbed on the clay matrices. In contrast, calcite has no significant influence on the thermal evolution of the hydrocarbons. In addition, calcite is incapable of retaining bitumen. Therefore, the fractionation of n-alkanes or acyclic isoprenoids relative to the polar constituents of bitumen is insignificant in the presence of calcite.

Huizinga, B.J.; Tannenbaum, E.; Kaplan, I.R.

1987-05-01T23:59:59.000Z

133

TABLE OF CONTENTS  

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

from the Director 6 . . . Education, Outreach and Diversity CONDENSED MATTER PHYSICS Graphene, Basic Superconductivity, Other Condensed Matter, Qubits & Quantum Entanglement,...

134

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136

Matter Field, Dark Matter and Dark Energy  

E-Print Network [OSTI]

A model concerning particle theory and cosmology is proposed. Matter field, dark matter and dark energy are created by an energy flow from space to primordial matter fields at the phase transition in the early universe.

Masayasu Tsuge

2009-03-24T23:59:59.000Z

137

Original article Belowground biomass and nutrient content in a  

E-Print Network [OSTI]

Original article Belowground biomass and nutrient content in a 47-year-old Douglas-fir plantation, France (Received 17 July 2000; accepted 6 October 2000) Abstract ­ Biomass and nutrient content and root biomass or nutrient content were observed. The root biomass was 58 t of dry matter, which was 18

Paris-Sud XI, Université de

138

Calculation of the thermodynamic properties at elevated temperatures and pressures of saturated and aromatic high molecular weight solid and liquid hydrocarbons in kerogen, bitumen, petroleum, and other organic matter of biogeochemical interest  

SciTech Connect (OSTI)

To supplement the relatively sparse set of calorimetric data available for the multitude of high molecular weight organic compounds of biogeochemical interest, group additivity algorithms have been developed to estimate heat capacity power function coefficients and the standard molal thermodynamic properties at 25 C and 1 bar of high molecular weight compounds in hydrocarbon source rocks and reservoirs, including crystalline and liquid isoprenoids, steroids, tricyclic diterpenoids, hopanoids, and polynuclear aromatic hydrocarbons. A total of ninety-six group contributions for each coefficient and property were generated from the thermodynamic properties of lower molecular weight reference species for which calorimetric data are available in the literature. These group contributions were then used to compute corresponding coefficients and properties for {approximately}360 representative solid and liquid high molecular weight compounds in kerogen, bitumen, and petroleum for which few or no experimental data are available. The coefficients and properties of these high molecular weight compounds are summarized in tables, together with those of the groups and reference species from which they were generated. The tabulated heat capacity power function coefficients and standard molal thermodynamic properties at 25 C and 1 bar include selected crystalline and liquid regular, irregular and highly branched isoprenoids, tricyclic diterpanes, 17{alpha}(H)- and 17{beta}(H)-hopanes, 5{alpha}(H),14{alpha}(H)-, 5{beta}(H),14{alpha}(H)-, 5{alpha}(H),14{beta}(H)-, and 5{beta}(H),14{beta}(H)-steranes, double ether- and ester-bonded n-alkanes, and various polynuclear aromatic hydrocarbons, including methylated biphenyls, naphthalenes, phenanthrenes, anthracenes, pyrenes, and chrysenes. However, corresponding coefficients and properties for many more saturated and unsaturated high molecular weight hydrocarbons can be estimated from the equations of state group additivity algorithms. Calculations of this kind permit comprehensive thermodynamic description of the chemical evolution of organic matter with increasing depth in sedimentary basins.

Richard, L.; Helgeson, H.C. [Univ. of California, Berkeley, CA (United States). Dept. of Geology and Geophysics] [Univ. of California, Berkeley, CA (United States). Dept. of Geology and Geophysics

1998-12-01T23:59:59.000Z

139

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141

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154

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156

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158

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159

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160

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161

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163

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164

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165

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166

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167

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168

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169

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170

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171

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172

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173

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174

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175

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176

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177

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AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative FuelsTotal" (Percent) Type: Sulfur ContentMwH)","RES_CONS4,369,090 4,367,318 4,367,470SeptemberMonthly","2/2015"

178

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179

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AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative FuelsTotal" (Percent) Type: Sulfur ContentMwH)","RES_CONS4,369,090 4,367,318Monthly","2/2015"

180

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AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative FuelsTotal" (Percent) Type: Sulfur ContentMwH)","RES_CONS4,369,090Monthly","2/2015" ,"Release

Note: This page contains sample records for the topic "organic matter content" 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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181

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative FuelsTotal" (Percent) Type: Sulfur ContentMwH)","RES_CONS4,369,090Monthly","2/2015" ,"ReleaseAnnual",2014

182

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AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative FuelsTotal" (Percent) Type: Sulfur ContentMwH)","RES_CONS4,369,090Monthly","2/2015"

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Workbook Contents  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative FuelsTotal" (Percent) Type: Sulfur ContentMwH)","RES_CONS4,369,090Monthly","2/2015"Monthly","2/2015"

184

EXTRAGALACTIC DARK MATTER AND DIRECT DETECTION EXPERIMENTS  

SciTech Connect (OSTI)

Recent astronomical data strongly suggest that a significant part of the dark matter content of the Local Group and Virgo Supercluster is not incorporated into the galaxy halos and forms diffuse components of these galaxy clusters. A portion of the particles from these components may penetrate the Milky Way and make an extragalactic contribution to the total dark matter containment of our Galaxy. We find that the particles of the diffuse component of the Local Group are apt to contribute {approx}12% to the total dark matter density near Earth. The particles of the extragalactic dark matter stand out because of their high speed ({approx}600 km s{sup -1}), i.e., they are much faster than the galactic dark matter. In addition, their speed distribution is very narrow ({approx}20 km s{sup -1}). The particles have an isotropic velocity distribution (perhaps, in contrast to the galactic dark matter). The extragalactic dark matter should provide a significant contribution to the direct detection signal. If the detector is sensitive only to the fast particles (v > 450 km s{sup -1}), then the signal may even dominate. The density of other possible types of the extragalactic dark matter (for instance, of the diffuse component of the Virgo Supercluster) should be relatively small and comparable with the average dark matter density of the universe. However, these particles can generate anomaly high-energy collisions in direct dark matter detectors.

Baushev, A. N., E-mail: baushev@gmail.com [DESY, D-15738 Zeuthen (Germany); Institut fuer Physik und Astronomie, Universitaet Potsdam, D-14476 Potsdam-Golm (Germany)

2013-07-10T23:59:59.000Z

185

First results from a 20-liter prototype dark matter detector with directional sensitivity  

E-Print Network [OSTI]

Astronomical and cosmological evidence suggests that 27% of the energy content of the universe is in the form of non-baryonic matter referred to as "dark matter." Weakly interacting massive particles have long been considered ...

Lopez, Jeremy Paul

2014-01-01T23:59:59.000Z

186

A method for the determination of dissolved organic carbon in sea water by gas chromatography  

E-Print Network [OSTI]

of organic matter was carried out at elevated temperature and pressure after collection of a large number of samples. The resulting carbon dioxide was flushed through a gas chromatograph with helium as the carrier gas and the signal was recorded on a strip... chart recorder. Chromatographic analysis time was approximately eleven minutes per sample with a precision of + Q. 1 mg C/l. The organic carbon content of the sample was determined by measurement of the peak area using an appropriate carbon dioxide...

Fredericks, Alan D

1965-01-01T23:59:59.000Z

187

Desorption of hexachlorobiphenyl from selected particulate matter  

E-Print Network [OSTI]

DESORPTION OF HEXACHLOROBIPHENYL FROM SELECTED PARTICULATE MATTER A Thesis by REAGAN CARTWRIGHT RORS CHACH Submitted to the Office of Graduate Studies of Texas ARM University in partial fulfillment of the requirements for the degree... of MASTER OF SCIENCE December 1989 Major Subject: Civil Engineering DESORPTION OF HEXACHLOROBIPHENYL FROM SELECTED PARTICULATE MATTER A Thesis by REAGAN C. RORSCHACH Approved as to style and content by: Robin L. Autenrieth (Chair of Committee...

Rorschach, Reagan Cartwright

1989-01-01T23:59:59.000Z

188

Effective Presentations Organization  

E-Print Network [OSTI]

1 Pericles Effective Presentations · Content · Organization · Delivery · Visual aids and graphics Be brave Graphics · KISS · Powerpoint: ­ Font · Bigger than you'd expect · San serif ­ Lines · Thicker than · Organization · Energy · Clarity · Poise Key: Practice Web Resources · http

Shull, David H.

189

Matter Wave Radiation Leading to Matter Teleportation  

E-Print Network [OSTI]

The concept of matter wave radiation is put forward, and its equation is established for the first time. The formalism solution shows that the probability density is a function of displacement and time. A free particle and a two-level system are reinvestigated considering the effect of matter wave radiation. Three feasible experimental designs, especially a modified Stern-Gerlach setup, are proposed to verify the existence of matter wave radiation. Matter wave radiation effect in relativity has been formulated in only a raw formulae, which offers another explanation of Lamb shift. A possible mechanics of matter teleportation is predicted due to the effect of matter wave radiation.

Yong-Yi Huang

2015-02-12T23:59:59.000Z

190

Baryonic matter and beyond  

E-Print Network [OSTI]

We summarize recent developments in identifying the ground state of dense baryonic matter and beyond. The topics include deconfinement from baryonic matter to quark matter, a diquark mixture, topological effect coupled with chirality and density, and inhomogeneous chiral condensates.

Kenji Fukushima

2014-10-01T23:59:59.000Z

191

Dark Matter Theory  

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

Dark Matter Theory Dark Matter Theory Understanding discoveries at the Energy, Intensity, and Cosmic Frontiers Get Expertise Rajan Gupta (505) 667-7664 Email Bruce Carlsten (505)...

192

Contribution of vehicle emissions to ambient carbonaceous particulate matter: A review and synthesis of the available data in the South Coast Air Basin. Final report  

SciTech Connect (OSTI)

Table of Contents: Executive Summary; Introduction; Ambient Carbonaceous Particulate Matter in the South Coast Air Basin; Measurements of Emissions from In-Use Motor Vehicles in the South Coast Air Basin; Integration of Emissions Measurements into Comprehensive Emissions Inventories; Relating Emissions fom Motor Vehicles to Particulate Air Quality; Synthesis: The Combined Effect of All Vehicle-Related Source Contributions Acting Together; Trends in More Recent Years; Opportunities for Further Research; References; Appendix A: Detailed Mass Emissions Rates for Organic Compounds from Motor Vehicle Exhaust; and Appendix B: Organic Compounds Emitted from Tire Dust, Paved Road Dust, and Brake Lining Wear Dust.

Cass, G.R.

1997-02-01T23:59:59.000Z

193

Table of Contents Chapter and Content Pages  

E-Print Network [OSTI]

#12;Page 2 Table of Contents Chapter and Content Pages 1. Field Trip Itinerary ................................................................................. 7 4. Geologic Framework of the Netherlands Antilles 5. Coral Reefs of the Netherlands Antilles

Fouke, Bruce W.

194

Dark energy and dark matter from cosmological observations  

E-Print Network [OSTI]

The present status of our knowledge about the dark matter and dark energy is reviewed. Bounds on the content of cold and hot dark matter from cosmological observations are discussed in some detail. I also review current bounds on the physical properties of dark energy, mainly its equation of state and effective speed of sound.

Steen Hannestad

2005-09-14T23:59:59.000Z

195

The group of soil of protection and the group of plant nutrition of the ETH and the FiBL propose two MSc theses on on-farm management of organic matter in the project "Zinc biofortification of Wheat  

E-Print Network [OSTI]

in organic and conventional farming, affects soil Zn and Cd dynamics, wheat production (liquid slurry, solid farmyard manure, plant residues, compost, fallowing); how

Fischlin, Andreas

196

Project Overload in Project Based Organizations - Causes, Symptoms and Effects.  

E-Print Network [OSTI]

?? This study investigates the matter of project overload which project members have to face in project based organizations. The thesis is based on 13… (more)

Hochdorfer, Tobias

2007-01-01T23:59:59.000Z

197

Changes in microbial community characteristics and soil organic...  

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

microbial responses to N deposition and shifts in soil organic matter (SOM) quality and quantity. We used phospholipid fatty acid (PLFA) analysis and microbial enzyme assays in...

198

Design of programmable matter  

E-Print Network [OSTI]

Programmable matter is a proposed digital material having computation, sensing, actuation, and display as continuous properties active over its whole extent. Programmable matter would have many exciting applications, like ...

Knaian, Ara N. (Ara Nerses), 1977-

2008-01-01T23:59:59.000Z

199

in Condensed Matter Physics  

E-Print Network [OSTI]

Master in Condensed Matter Physics ­ Master académique #12;2 #12;3 Students at the University. Condensed matter physics is about explaining and predicting the relationship between the atomic, and broad education in the field of condensed matter physics · introduce you to current research topics

van der Torre, Leon

200

Lattice Refining LQC and the Matter Hamiltonian  

E-Print Network [OSTI]

In the context of loop quantum cosmology, we parametrise the lattice refinement by a parameter, $A$, and the matter Hamiltonian by a parameter, $\\delta$. We then solve the Hamiltonian constraint for both a self-adjoint, and a non-self-adjoint Hamiltonian operator. Demanding that the solutions for the wave-functions obey certain physical restrictions, we impose constraints on the two-dimensional, $(A,\\delta)$, parameter space, thereby restricting the types of matter content that can be supported by a particular lattice refinement model.

William Nelson; Mairi Sakellariadou

2007-08-30T23:59:59.000Z

Note: This page contains sample records for the topic "organic matter content" 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

Of Matters Condensed  

E-Print Network [OSTI]

The American Physical Society (APS) March Meeting of condensed matter physics has grown to nearly 10,000 participants, comprises 23 individual APS groups, and even warrants its own hashtag (#apsmarch). Here we analyze the text and data from March Meeting abstracts of the past nine years and discuss trends in condensed matter physics over this time period. We find that in comparison to atomic, molecular, and optical physics, condensed matter changes rapidly, and that condensed matter appears to be moving increasingly toward subject matter that is traditionally in materials science and engineering.

Shulman, Michael

2015-01-01T23:59:59.000Z

202

Incompressibility of strange matter  

E-Print Network [OSTI]

Strange stars calculated from a realistic equation of state (EOS), that incorporate chiral symmetry restoration as well as deconfinement at high density show compact objects in the mass radius curve. We compare our calculations of incompressibility for this EOS with that of nuclear matter. One of the nuclear matter EOS has a continuous transition to ud-matter at about five times normal density. Another nuclear matter EOS incorporates density dependent coupling constants. From a look at the consequent velocity of sound, it is found that the transition to ud-matter seems necessary.

Monika Sinha; Manjari Bagchi; Jishnu Dey; Mira Dey; Subharthi Ray; Siddhartha Bhowmick

2004-04-01T23:59:59.000Z

203

Big Questions: Dark Matter  

ScienceCinema (OSTI)

Carl Sagan's oft-quoted statement that there are "billions and billions" of stars in the cosmos gives an idea of just how much "stuff" is in the universe. However scientists now think that in addition to the type of matter with which we are familiar, there is another kind of matter out there. This new kind of matter is called "dark matter" and there seems to be five times as much as ordinary matter. Dark matter interacts only with gravity, thus light simply zips right by it. Scientists are searching through their data, trying to prove that the dark matter idea is real. Fermilab's Dr. Don Lincoln tells us why we think this seemingly-crazy idea might not be so crazy after all.

Lincoln, Don

2014-08-07T23:59:59.000Z

204

1Table of Contents TABLE OF CONTENTS  

E-Print Network [OSTI]

of Illicit Drugs and Alcohol ..............................................12 Standards of Conduct University History....................................13 University Organization...........................14......................................21 International Programs.......................23 International Commitment.......................23

Hull, Elaine

205

Management effects on labile organic carbon pools  

E-Print Network [OSTI]

It is well documented that increases in soil organic matter (SOM) improve soil physical properties and increase the overall fertility and sustainability of the soil. Research in SOM storage has recently amplified following the proposal...

Kolodziej, Scott Michael

2005-08-29T23:59:59.000Z

206

Matter: Space without Time  

E-Print Network [OSTI]

While Quantum Gravity remains elusive and Quantum Field Theory retains the interpretational difficulties of Quantum Mechanics, we have introduced an alternate approach to the unification of particles, fields, space and time, suggesting that the concept of matter as space without time provides a framework which unifies matter with spacetime and in which we anticipate the development of complete theories (ideally a single unified theory) describing observed 'particles, charges, fields and forces' solely with the geometry of our matter-space-time universe.

Yousef Ghazi-Tabatabai

2012-11-19T23:59:59.000Z

207

Correlated Microanalysis of Cometary Organic Grains Returned by Stardust  

SciTech Connect (OSTI)

Carbonaceous matter in Stardust samples returned from comet 81P/Wild 2 is observed to contain a wide variety of organic functional chemistry. However, some of this chemical variety may be due to contamination or alteration during particle capture in aerogel. We investigated six carbonaceous Stardust samples that had been previously analyzed and six new samples from Stardust Track 80 using correlated transmission electron microscopy (TEM), X-ray absorption near-edge structure spectroscopy (XANES), and secondary ion mass spectroscopy (SIMS). TEM revealed that samples from Track 35 containing abundant aliphatic XANES signatures were predominantly composed of cometary organic matter infilling densified silica aerogel. Aliphatic organic matter from Track 16 was also observed to be soluble in the epoxy embedding medium. The nitrogen-rich samples in this study (from Track 22 and Track 80) both contained metal oxide nanoparticles, and are likely contaminants. Only two types of cometary organic matter appear to be relatively unaltered during particle capture. These are (1) polyaromatic carbonyl-containing organic matter, similar to that observed in insoluble organic matter (IOM) from primitive meteorites, interplanetary dust particles (IDPs), and in other carbonaceous Stardust samples, and (2) highly aromatic refractory organic matter, which primarily constitutes nanoglobule-like features. Anomalous isotopic compositions in some of these samples also confirm their cometary heritage. There also appears to be a significant labile aliphatic component of Wild 2 organic matter, but this material could not be clearly distinguished from carbonaceous contaminants known to be present in the Stardust aerogel collector.

B De Gregorio; R Stroud; G Cody; L Nittler; A Kilcoyne; S Wirick

2011-12-31T23:59:59.000Z

208

The Dark Matter problem  

E-Print Network [OSTI]

In these notes I will briefly summarize our knowledge about the dark matter problem, and emphasize the corresponding dynamical aspects. This covers a wide area of research, so I have been selective, and have concentrated on the subject of dark matter in nearby galaxies, in particular spirals.

A. Bosma

1998-12-01T23:59:59.000Z

209

Money Matters Parent Presentation  

E-Print Network [OSTI]

Money Matters Parent Presentation Presented by Becky Lore June 7, 2014 #12;Money Matters · Dates.fcac-acfc.gc.ca · Gail Vaz-Oxlade My Money, My Choices www.gailvazoxlade.com · Money Mentors www.moneymentors.ca/ · Money

Seldin, Jonathan P.

210

CONTENTS PAGE INTRODUCTION  

E-Print Network [OSTI]

THE APPLICATIONS AND VALIDITY OF BODE'S LAW CAN WE EXPLAIN BODE'S LAW USING GRAVITY? 8 Law of Gravitation 8 Centre#12;#12;CONTENTS CONTENTS PAGE INTRODUCTION WHO, HOW AND WHEN IS THE BODE'S LAW DISCOVERED? 1 THE BODE'S LAW HOW THE BODE'S LAW SATISFIED URANUS 3 HOW THE BODE'S LAW LED TO THE DISCOVERY OF CERES

Aslaksen, Helmer

211

Organic geochemistry and correlation of Paleozoic source rocks and Trenton crude oils, Indiana  

SciTech Connect (OSTI)

Shale samples from four cores of the New Albany and Antrim Shales (Devonian) and from six cores of the Maquoketa Group (Ordovician), representing a broad geographic area of Indiana, have been analyzed for total organic carbon, total sulfur, pyrolysis yield (Rock-Eval), bitumen content, and illite crystallinity data. These data indicate that the New Albany, Antrim, and Maquoketa shales contain a sufficient quantity and quality of organic matter to be good petroleum source rocks. Bitumen ratios, Rock-Eval yields, gas chromatography of saturated hydrocarbons, and illite crystallinity data show that the Maquoketa shales have reached a higher level of thermal maturity than the New Albany and Antrim shales. The level of thermal maturity of the Maquoketa shales suggested a maximum burial depth considerably greater than the present depth.

Guthrie, J. (Indiana Geological Survey, Bloomington (USA))

1989-08-01T23:59:59.000Z

212

Content Protection for Optical Media Content Protection for Optical Media  

E-Print Network [OSTI]

Content Protection for Optical Media Content Protection for Optical Media A Comparison of Self-Protecting Digital Content and AACS Independent Security Evaluators www.securityevaluators.com May 3, 2005 Copyright for Optical Media 2 #12;Content Protection for Optical Media Content Protection for Optical Media 3 Executive

Amir, Yair

213

Fate of nutrient enrichment on continental shelves as indicated by the C/N content of bottom sediments  

SciTech Connect (OSTI)

The trajectory and fate of particulate matter are poorly understood processes in a spatially heterogeneous coastal ocean. Parameterization of appropriate hydrodynamics for a quantitative description of these loss processes must thus await definition of the important biological time and space scales. Since the bottom sands tend to record the history of the water column, we have selected the C/N content of shelf sediments as a possible tracer of (1) sites of nutrient introduction to the shelf by various physical mechanisms, of (2) areas of subsequent downstream utilization by the phytoplankton, and of (3) where loss of particulate matter might occur from the water column. An analysis is made of the C/N patterns of bottom surface sediments in relation to the nitrogen sources from upwelling, river runoff, and tidal mixing on the Peruvian, west African, Amazonian, Gulf of Mexico, eastern US, Bering, and North Sea shelves in an initial attempt to proscribe the particle trajectories of organic matter on the continental shelf.

Walsh, J.J.; Premuzic, E.T.; Whitledge, T.E.

1980-01-01T23:59:59.000Z

214

Differential Supply of Autochthonous Organic Carbon and Nitrogen to the Microbial Loop in the Delaware Estuary  

E-Print Network [OSTI]

Differential Supply of Autochthonous Organic Carbon and Nitrogen to the Microbial Loop to heterotrophic bacteria (bacteria) has been re-evaluated in the Delaware Estuary, considering carbon (C sources of organic matter to the estuarine microbial loop. Introduction The fate of organic matter

215

Programmable matter by folding  

E-Print Network [OSTI]

Programmable matter is a material whose properties can be programmed to achieve specific shapes or stiffnesses upon command. This concept requires constituent elements to interact and rearrange intelligently in order to ...

Wood, R. J.

216

The Heart of Matter  

E-Print Network [OSTI]

In this article I trace the development of the human understanding of the "Heart of Matter" from early concepts of "elements" (or alternatively "Panchmahabhootas") to the current status of "quarks" and "leptons" as the fundamental constituents of matter, interacting together via exchange of the various force carrier particles called "gauge bosons" such as the photon, W/Z-boson etc. I would like to show how our understanding of the fundamental constituents of matter has gone hand in hand with our understanding of the fundamental forces in nature. I will also outline how the knowledge of particle physics at the "micro" scale of less than a Fermi(one millionth of a nanometer), enables us to offer explanations of Cosmological observations at the "macro" scale. Consequently these observations, may in turn, help us address some very fundamental questions of the Physics at the "Heart of the Matter".

Godbole, Rohini M

2010-01-01T23:59:59.000Z

217

Matter & Energy Electronics  

E-Print Network [OSTI]

See also: Matter & Energy Electronics· Detectors· Technology· Construction· Sports Science Electronic Tongue Tastes Wine Variety, Vintage (Aug. 12, 2008) -- You don't need a wine expert to Advance

Suslick, Kenneth S.

218

The Heart of Matter  

E-Print Network [OSTI]

In this article I trace the development of the human understanding of the "Heart of Matter" from early concepts of "elements" (or alternatively "Panchmahabhootas") to the current status of "quarks" and "leptons" as the fundamental constituents of matter, interacting together via exchange of the various force carrier particles called "gauge bosons" such as the photon, W/Z-boson etc. I would like to show how our understanding of the fundamental constituents of matter has gone hand in hand with our understanding of the fundamental forces in nature. I will also outline how the knowledge of particle physics at the "micro" scale of less than a Fermi(one millionth of a nanometer), enables us to offer explanations of Cosmological observations at the "macro" scale. Consequently these observations, may in turn, help us address some very fundamental questions of the Physics at the "Heart of the Matter".

Rohini M. Godbole

2010-06-30T23:59:59.000Z

219

Atomic dark matter  

SciTech Connect (OSTI)

We propose that dark matter is dominantly comprised of atomic bound states. We build a simple model and map the parameter space that results in the early universe formation of hydrogen-like dark atoms. We find that atomic dark matter has interesting implications for cosmology as well as direct detection: Weak-scale dark atoms can accommodate hyperfine splittings of order 100 keV, consistent with the inelastic dark matter interpretation of the DAMA data while naturally evading direct detection bounds. Moreover, protohalo formation can be suppressed below M{sub proto} ? 10{sup 3}–10{sup 6}M{sub s}un for weak scale dark matter due to Ion-Radiation and Ion-Atom interactions in the dark sector.

Kaplan, David E.; Krnjaic, Gordan Z.; Rehermann, Keith R.; Wells, Christopher M., E-mail: dkaplan@pha.jhu.edu, E-mail: gordan@pha.jhu.edu, E-mail: keith@pha.jhu.edu, E-mail: cwells13@pha.jhu.edu [Department of Physics and Astronomy, Johns Hopkins University, 3400 North Charles Street, Baltimore, MD 21218-2686 (United States)

2010-05-01T23:59:59.000Z

220

Molecular fossils and other organic markers as palaeoenvironmental indicators of the Messinian Calcare di Base  

E-Print Network [OSTI]

matter shows low maturity, and preserves the original signatures of the source organisms. Rock petrography and geochemical analyses (palynofacies, Rock-Eval pyrolysis and gas chromatography

Paris-Sud XI, Université de

Note: This page contains sample records for the topic "organic matter content" 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

Organic and inorganic components in estuarine colloids: Implications for sorption and transport of pollutants  

SciTech Connect (OSTI)

In colloids isolated from Chesapeake Bay and its subestuaries the concentrations of Al, Fe, and a number of trace elements were determined to vary with the clay mineral fraction that was most abundant in freshwater samples collected during the winter. The elements As, Ba, Sb, and Zn, however, increased with increasing organic content, indicating a covariance with the organic component. Organic analyses for amino acids, carbohydrates, and lipids indicate that these biopolymers comprised 4 to 22%, 20 to 60%, and less than 1%, respectively, of the colloidal organic carbon in these samples. The results are significant because amino acids and carbohydrates contain oxygen, nitrogen, and sulfur functional groups capable of reacting with trace metals and organic pollutants. The sorption properties of several neutral hydrophobic organic compounds, including PAHs and herbicides, and several aromatic amines were investigated using the estuarine colloidal material. The effects of several environmental variables on these sorption properties were determined. The results indicate that colloids have the capacity to sorb and transport relatively insoluble pollutants that otherwise might remain immobile in the environment. Colloidal organic matter in natural water systems may serve as substrates for the sorption or binding of organic contaminants. Although most of the data has been developed using neutral hydrophobic organic compounds, data also exist for selected polar compound groups such as aromatic amines. The chemical behavior of these compound groups in interaction with DOM appears to have some similarity to their chemical interaction with sediments and soils. Partitioning constants are linear, except for polar compounds, and appear to be closely correlated to fundamental compound properties such as solubilities and octanol-water partition coefficients. 84 references.

Sigleo, A.C.; Means, J.C. (Geological Survey, Lakewood, CO (USA))

1990-01-01T23:59:59.000Z

222

Thermodynamics of clusterized matter  

E-Print Network [OSTI]

Thermodynamics of clusterized matter is studied in the framework of statistical models with non-interacting cluster degrees of freedom. At variance with the analytical Fisher model, exact Metropolis simulation results indicate that the transition from homogeneous to clusterized matter lies along the $\\rho=\\rho_0$ axis at all temperatures and the limiting point of the phase diagram is not a critical point even if the surface energy vanishes at this point. Sensitivity of the inferred phase diagram to the employed statistical framework in the case of finite systems is discussed by considering the grand-canonical and constant-pressure canonical ensembles. A Wigner-Seitz formalism in which the fragment charge is neutralized by an uniform electron distribution allows to build the phase diagram of neutron star matter.

Ad. R. Raduta; F. Gulminelli

2009-08-26T23:59:59.000Z

223

Control of the accumulation of non-process elements and organic compounds in pulp mills with bleach filtrate reuse. Quarterly report 3, January--March, 1997  

SciTech Connect (OSTI)

Progress during this quarter is described on four tasks. The first task involves the recovery of organic matter from bleach effluents and black liquors, separation of carbohydrates and lignin degradation products, analysis of functional groups, and characterization of carbohydrate polymers. Progress in the second task was made in the selection of model compounds. Several subtasks are complete in Task 3, but the paper summarizes progress made in the determination of the residual hemicellulose content in the pulp samples. Finally, results are given for the measurement of metal adsorption isotherms on wood pulp. Goals for the next quarter are listed.

Frederick, W.J.; Laver, M.L.; Rorrer, G.L.

1997-05-01T23:59:59.000Z

224

Molecular Characterization of Organic Content of Soot along the...  

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

Jet-A1 surrogate. In lower positions where particles are transparent to light extinction (n 632.8 nm), peri-condensed polycyclic aromatic hydrocarbons (PAHs) are found...

225

Molecular Characterization of Organic Content of Soot along the Centerline  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: VegetationEquipment SurfacesResource ProgramModification and Application ofof a Coflow Diffusion Flame. |

226

Matter & Energy Nanotechnology  

E-Print Network [OSTI]

to electrical energy in order to power electronic devices, these results point to an advantage in reducingSee Also: Matter & Energy Nanotechnology Materials Science Technology Energy Technology Civil of potential functionalities, ranging from single-nanowire lasers and LEDs to more complex devices

Espinosa, Horacio D.

227

Matter & Energy Wind Energy  

E-Print Network [OSTI]

See Also: Matter & Energy Wind Energy Energy Technology Physics Nuclear Energy Petroleum 27, 2012) -- Energy flowing from large-scale to small-scale places may be prevented from flowing, indicating that there are energy flows from large to small scale in confined space. Indeed, under a specific

Shepelyansky, Dima

228

Matter & Energy Solar Energy  

E-Print Network [OSTI]

See Also: Matter & Energy Solar Energy· Electronics· Materials Science· Earth & Climate Energy and the Environment · Renewable Energy· Environmental Science · Reference Chemical compound· Semiconductor· Gallium at the University of Illinois, the future of solar energy just got brighter. Although silicon is the industry

Rogers, John A.

229

Matter & Energy Engineering  

E-Print Network [OSTI]

.com/products/seahawk/ Maryland Solar Panels-- Solar Installations from BGE HOME $0 Down For Big Energy Savings! www.bgehome.com/SolarLike 6 0 | More APA MLA See Also: Matter & Energy Petroleum Engineering Fossil Fuels Earth believe may be contributing to global warming. The UK government has just announced it is investing Ł1

Sóbester, András

230

Asymmetric condensed dark matter  

E-Print Network [OSTI]

We explore the viability of a boson dark matter candidate with an asymmetry between the number densities of particles and antiparticles. A simple thermal field theory analysis confirms that, under certain general conditions, this component would develop a Bose-Einstein condensate in the early universe that, for appropriate model parameters, could survive the ensuing cosmological evolution until now. The condensation of a dark matter component in equilibrium with the thermal plasma is a relativistic process, hence the amount of matter dictated by the charge asymmetry is complemented by a hot relic density frozen out at the time of decoupling. Contrary to the case of ordinary WIMPs, dark matter particles in a condensate can be very light, $10^{-22}\\,{\\rm eV} \\lesssim m \\lesssim 10^2\\,{\\rm eV}$; the lower limit arises from constraints on small-scale structure formation, while the upper bound ensures that the density from thermal relics is not too large. Big-Bang nucleosynthesis constrains the temperature of deco...

Aguirre, Anthony

2015-01-01T23:59:59.000Z

231

Dark matter axions `96  

SciTech Connect (OSTI)

This report discusses why axions have been postulated to exist, what cosmology implies about their presence as cold dark matter in the galactic halo, how axions might be detected in cavities wherein strong magnetic fields stimulate their conversion into photons, and relations between axions` energy spectra and galactic halos` properties.

Sikivie, P.

1996-12-31T23:59:59.000Z

232

Energy Matters in Washington State Page 1 Energy Matters  

E-Print Network [OSTI]

Energy Matters in Washington State ­ Page 1 Energy Matters in Washington State June 2008 Updated November 2009 Updated and Revised October 2013 Grand Coulee Dam #12;Energy Matters in Washington State ­ Page 2 Copyright © 2013 Washington State University Energy Program. 905 Plum Street SE, P.O. Box 43169

Collins, Gary S.

233

Isotopic constraints on the sources and associations of organic compounds in marine sediments  

E-Print Network [OSTI]

To provide a new perspective on the fate of both natural organic matter and hydrophobic organic contaminants (HOCs) in marine sediments, we have investigated the relationship between radiocarbon (14C) age and the different ...

White, Helen K

2006-01-01T23:59:59.000Z

234

The aging of organic aerosol in the atmosphere : chemical transformations by heterogeneous oxidation  

E-Print Network [OSTI]

The immense chemical complexity of atmospheric organic particulate matter ("aerosol") has left the general field of condensed-phase atmospheric organic chemistry relatively under-developed when compared with either gas-phase ...

Kessler, Sean Herbert

2013-01-01T23:59:59.000Z

235

Laboratory and field investigation of the adsorption of gaseous organic compounds onto quartz filters  

SciTech Connect (OSTI)

A common method for measuring the mass of organic carbon in airborne particulate matter involves collection on a quartz filter and subsequent thermal analysis. If unaccounted for, the adsorption of organic gases onto quartz filters will lead to the overestimation of aerosol organic carbon concentrations (positive artifact). A recommended method of correction for the positive artifact involves sampling with a backup filter. Placed behind either the primary quartz filter, or behind a Teflon filter and collected in parallel with the primary quartz filter, the carbon content of the quartz backup filter is a measure of the adsorbed organic material on the primary quartz filter. In this paper, we illustrate the application of this technique to samples collected in Berkeley, California. While the tandem quartz filter method can be successfully applied to correct for the positive artifact, we discuss two cases when this method will fail. We have found that the capacity for adsorption of organic gases is not uniform for all filters. Instead, filters manufactured by the same company, but having different lot numbers, exhibit variable adsorption capacity. Thus, a filter pair composed of filters from different lots may lead to significant under- or overestimation of particulate organic carbon concentration. Additionally, we have observed that the tandem filter method under-corrects for the positive artifact if the sampling time is short (few hours). Laboratory experiments with vapors of single organic compounds corroborate results based on ambient samples. The evolution of adsorbed organic gases, particularly polar compounds, during thermal analysis indicates that a single compound may experience two distinct adsorbent-adsorbate binding energies. Adsorbed gases may co-evolve with particles at temperatures in excess of 250-degree C.

Kirchstetter, Thomas W.; Corrigan, Craig E.; Novakov, T.

2000-07-01T23:59:59.000Z

236

The Search for Dark Matter  

ScienceCinema (OSTI)

More than 25 years ago, PNNL scientists began the first underground measurements searching for dark matter using specialized radiation detector technology. Dark matter is yet to be discovered says Physicist John L. Orrell.

Orrell, John

2014-07-24T23:59:59.000Z

237

Bottom-strange mesons in hyperonic matter  

E-Print Network [OSTI]

The in-medium behavior of bottom-strange pseudoscalar mesons in hot, isospin asymmetric and dense hadronic environment is studied using a chiral effective model. The same was recently generalized to the heavy quark sector and employed to study the behavior of open-charm and open-bottom mesons. The heavy quark (anti-quark) is treated as frozen and all medium modifications of these bottom-strange mesons are due to their strange anti-quark (quark) content. We observe a pronounced dependence of their medium mass on baryonic density and strangeness content of the medium. Certain aspects of these in-medium interactions are similar to those observed for the strange-charmed mesons in a preceding investigation, such as the lifting of mass-degeneracy of $B_S^0$ and ${\\bar B}_S^0$ mesons in hyperonic matter, while the same is respected in vacuum as well as in nuclear matter. In general, however, there is a remarkable distinction between the two species, even though the formalism predicts a completely analogous in-medium interaction Lagrangian density. We discuss in detail the reason for different in-medium behavior of these bottom-strange mesons as compared to charmed-strange mesons, despite the dynamics of the heavy quark being treated as frozen in both cases.

Divakar Pathak; Amruta Mishra

2014-09-22T23:59:59.000Z

238

Frustrated Organic Solids Display Unexpected Gas Sorption  

SciTech Connect (OSTI)

Calixarene based organic solid can hold guests such as toluene and other organic molecules we have discovered a new type of material which believe involves a frustration of the solvate lattice as it moves toward the thermodynamically stable desolvated state. The intermediated phase with partial solvent content unexpectedly sorbs gases such as carbon dioxide and highly explosive acetylene deep inside the crystal lattice.

Thallapally, Praveen K.; Dalgarno, Scott J.; Atwood, Jerry L.

2006-11-27T23:59:59.000Z

239

Normal matter storage of antiprotons  

SciTech Connect (OSTI)

Various simple issues connected with the possible storage of anti p in relative proximity to normal matter are discussed. Although equilibrium storage looks to be impossible, condensed matter systems are sufficiently rich and controllable that nonequilibrium storage is well worth pursuing. Experiments to elucidate the anti p interactions with normal matter are suggested. 32 refs.

Campbell, L.J.

1987-01-01T23:59:59.000Z

240

dark matter dark energy inflation  

E-Print Network [OSTI]

theory dark matter dark energy inflation The National Science Foundation The Kavli Foundation NSF Site Review November 28-29, 2005 #12;dark matter dark energy inflation NSF Site Visit ­ November 28 Gravitation initial conditions beyond single-field slow roll #12;dark matter dark energy inflation NSF Site

Hu, Wayne

Note: This page contains sample records for the topic "organic matter content" 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

Dark Energy and Dark Matter  

E-Print Network [OSTI]

A brief overview of our current understanding of abundance and properties of dark energy and dark matter is presented. A more focused discussion of supersymmetric dark matter follows. Included is a frequentist approach to the supersymmetric parameter space and consequences for the direct detection of dark matter.

Keith A. Olive

2010-01-27T23:59:59.000Z

242

Searching for Dark Matter Annihilation in the Smith High-Velocity Cloud  

E-Print Network [OSTI]

Recent observations suggest that some high-velocity clouds may be confined by massive dark matter halos. In particular, the proximity and proposed dark matter content of the Smith Cloud make it a tempting target for the indirect detection of dark matter annihilation. We argue that the Smith Cloud may be a better target than some Milky Way dwarf spheroidal satellite galaxies and use gamma-ray observations from the Fermi Large Area Telescope to search for a dark matter annihilation signal. No significant gamma-ray excess is found coincident with the Smith Cloud, and we set strong limits on the dark matter annihilation cross section assuming a spatially-extended dark matter profile consistent with dynamical modeling of the Smith Cloud. Notably, these limits exclude the canonical thermal relic cross section ($\\sim 3\\times10^{-26}{\\rm cm}^{3}{\\rm s}^{-1}$) for dark matter masses $\\lesssim 30$ GeV annihilating via the $b \\bar b$ or $\\tau^{+}\\tau^{-}$ channels for certain assumptions of the dark matter density profile; however, uncertainties in the dark matter content of the Smith Cloud may significantly weaken these constraints.

Alex Drlica-Wagner; German A. Gomez-Vargas; John W. Hewitt; Tim Linden; Luigi Tibaldo

2014-06-30T23:59:59.000Z

243

Cosmological Parameters and the case for Cold Dark Matter  

E-Print Network [OSTI]

Determinations of the main cosmological parameters are reviewed and the implications for cold dark matter discussed. There is no longer an age problem for an $\\Omega_o = 1, \\Lambda = 0$ model and, if anything, there is now an age problem for low $\\Omega_o, \\Lambda > 0$ models. Large scale structure and CMB fluctuation data are best fitted by a mixed dark matter $\\Omega_o$ = 1 universe. Difficulties for this model with cluster evolution, the baryon content of clusters, high z Lyman $\\alpha$ galaxies, and the evidence from Type Ia supernovae favouring low $\\Omega_o, \\Lambda > 0$ models, are discussed critically.

M. Rowan-Robinson

1999-06-16T23:59:59.000Z

244

Organic Superconductors  

SciTech Connect (OSTI)

Intense magnetic fields are an essential tool for understanding layered superconductors. Fundamental electronic properties of organic superconductors are revealed in intense (60 tesla) magnetic fields. Properties such as the topology of the Fermi surface and the nature of the superconducting order parameter are revealed. With modest maximum critical temperatures~13K the charge transfer salt organic superconductors prove to be incredibly valuable materials as their electronically clean nature and layered (highly anisotropic) structures yield insights to the high temperature superconductors. Observation of de Haas-van Alphen and Shubnikov-de Haas quantum oscillatory phenomena, magnetic field induced superconductivity and re-entrant superconductivity are some of the physical phenomena observed in the charge transfer organic superconductors. In this talk, I will discuss the nature of organic superconductors and give an overview of the generation of intense magnetic fields; from the 60 tesla millisecond duration to the extreme 1000 tesla microsecond pulsed magnetic fields.

Charles Mielke

2009-02-27T23:59:59.000Z

245

Dating Carbonaceous Matter in Archean Cherts by Electron Paramagnetic Resonance  

E-Print Network [OSTI]

rocks. This is particularly the case for Archean siliceous sedimentary rocks (cherts), which record. As thermal treatments impact organic matter maturity, the effect of temperature on this syngeneity proxy samples (from Mars for example). Key Words: Kero- gen--Sedimentary rocks

246

Constraining Decaying Dark Matter  

E-Print Network [OSTI]

We revisited the decaying dark matter (DDM) model, in which one collisionless particle decays early into two collisionless particles, that are potentially dark matter particles today. The effect of DDM will be manifested in the cosmic microwave background (CMB) and structure formation. With a systematic modification of CMB calculation tool \\texttt{camb}, we can numerically calculated this effect, and compare it to observations. Further Markov Chain Monte Carlo \\texttt{cosmomc} runnings update the constraints in that model: the free streaming length $\\lambda_{FS}\\lesssim0.5$Mpc for nonrelativistic decay, and $((M_{DDM}/keV) Y)^2 (T_d/yr)\\lesssim5\\times10^{-5}$ for relativistic decay.

Ran Huo

2011-07-13T23:59:59.000Z

247

Web Content Filtering 1 User Guidelines Web content filter guidelines  

E-Print Network [OSTI]

Web Content Filtering 1 User Guidelines Web content filter guidelines Introduction The basic criterion for blocking a Web page Categories of material which will be blocked Requesting the unblocking of Aberdeen applies a Web Content Filtering service to all web pages accessed from the undergraduate network

248

Impacts of engineering nanoparticles on dissolved organic matter assembly  

E-Print Network [OSTI]

One of promising geoengineering solutions, ocean gardening (is one of potential geoengineering approaches (Figueroa et

Chen, Chi-Shuo

2012-01-01T23:59:59.000Z

249

6 Isotope Composition of Organic Matter in Seawater  

E-Print Network [OSTI]

................................................................................109 6.4.3 Reverse Osmosis/Electrodialysis Method

Guo, Laodong

250

Nature and Transformation of Dissolved Organic Matter in  

E-Print Network [OSTI]

influence on transformations that occur during treatment, (ii) the climate factors have a secondary effect. As wastewater treatment plant effluent passes through treatment wetlands, the DOM undergoes transformation selected to evaluate the effects of climate, wastewater characteristics, and operating conditions

251

Effect of Natural Organic Matter on Zinc Inhibition of Hematite  

E-Print Network [OSTI]

decrease the toxicity of any metal co-contam- inants. The overarching premise of this study was to elucidate how NOM influences the inhibitory effects of heavy metal co-contaminants during biological iron toxicity was more important than metal sorption in inhibiting hematite reduction. Building on these studies

Burgos, William

252

Changes in microbial community characteristics and soil organic matter with  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: Vegetation Proposed New Substation SitesStanding FriedelIron-Sulfur ProteinChallengefor the 2012nitrogen

253

Particulate Matter Sampling and Volatile Organic Compound Removal for  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006 TheSteven Ashby Dr.presentationsParticipantParticles

254

Persistence of soil organic matter in eroding versus depositional landform  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006 TheSteven AshbyDepartment ofGE'sOptimizationUSING CRonOther

255

Content Filtered By | EMSL  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to User GroupInformationE-Gov Contacts for E-GovContacts NewsContent

256

Hadronic uncertainties in the elastic scattering of supersymmetric dark matter  

SciTech Connect (OSTI)

We review the uncertainties in the spin-independent and spin-dependent elastic scattering cross sections of supersymmetric dark matter particles on protons and neutrons. We propagate the uncertainties in quark masses and hadronic matrix elements that are related to the {pi}-nucleon {sigma} term and the spin content of the nucleon. By far the largest single uncertainty is that in spin-independent scattering induced by our ignorance of the matrix elements linked to the {pi}-nucleon {sigma} term, which affects the ratio of cross sections on proton and neutron targets as well as their absolute values. This uncertainty is already impacting the interpretations of experimental searches for cold dark matter. We plead for an experimental campaign to determine better the {pi}-nucleon {sigma} term. Uncertainties in the spin content of the proton affect significantly, but less strongly, the calculation of rates used in indirect searches.

Ellis, John [TH Division, Physics Department, CERN, 1211 Geneva 23 (Switzerland); Olive, Keith A.; Savage, Christopher [William I. Fine Theoretical Physics Institute, School of Physics and Astronomy, University of Minnesota, Minneapolis, Minnesota 55455 (United States)

2008-03-15T23:59:59.000Z

257

Hydrodesulfurization and hydrodenitrogenation catalysts obtained from coal mineral matter  

DOE Patents [OSTI]

A hydrotreating catalyst is prepared from coal mineral matter obtained by low temperature ashing coals of relatively low bassanite content by the steps of: (a) depositing on the low temperature ash 0.25-3 grams of an iron or nickel salt in water per gram of ash and drying a resulting slurry; (b) crushing and sizing a resulting solid; and (c) heating the thus-sized solid powder in hydrogen.

Liu, Kindtoken H. D. (Newark, DE); Hamrin, Jr., Charles E. (Lexington, KY)

1982-01-01T23:59:59.000Z

258

Thermodynamics of electroweak matter  

E-Print Network [OSTI]

This paper is a slightly modified version of the introductory part of a PhD thesis, also containing the articles hep-ph/0303019, hep-ph/0510375 and hep-ph/0512177. We provide a short history of the research of electroweak thermodynamics and a brief introduction to the theory as well as to the necessary theoretical tools needed to work at finite temperatures. We then review computations regarding the pressure of electroweak matter at high temperatures (the full expression of the perturbative expansion of the pressure is given in the appendix) and the electroweak phase diagram at finite chemical potentials. Finally, we compare electroweak and QCD thermodynamics.

A. Gynther

2006-09-21T23:59:59.000Z

259

Discrete dark matter  

SciTech Connect (OSTI)

We propose a new motivation for the stability of dark matter (DM). We suggest that the same non-Abelian discrete flavor symmetry which accounts for the observed pattern of neutrino oscillations, spontaneously breaks to a Z{sub 2} subgroup which renders DM stable. The simplest scheme leads to a scalar doublet DM potentially detectable in nuclear recoil experiments, inverse neutrino mass hierarchy, hence a neutrinoless double beta decay rate accessible to upcoming searches, while {theta}{sub 13}=0 gives no CP violation in neutrino oscillations.

Hirsch, M.; Morisi, S.; Peinado, E.; Valle, J. W. F. [AHEP Group, Institut de Fisica Corpuscular--C.S.I.C./Universitat de Valencia, Edificio Institutos de Paterna, Apartado 22085, E-46071 Valencia (Spain)

2010-12-01T23:59:59.000Z

260

Materials/Condensed Matter  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsrucLas Conchas recovery challenge fund LasDubey selectedContractMaterials/Condensed Matter Print

Note: This page contains sample records for the topic "organic matter content" 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

Materials/Condensed Matter  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsrucLas Conchas recovery challenge fund LasDubey selectedContractMaterials/Condensed Matter

262

Nuclear Matter and Nuclear Dynamics  

E-Print Network [OSTI]

Highlights on the recent research activity, carried out by the Italian Community involved in the "Nuclear Matter and Nuclear Dynamics" field, will be presented.

M Colonna

2009-02-26T23:59:59.000Z

263

Statistical Mechanics of Jammed Matter  

E-Print Network [OSTI]

A thermodynamic formulation of jammed matter is reviewed. Experiments and simulations of compressed emulsions and granular materials are then used to provide a foundation for the thermodynamics.

Hernan A. Makse; Jasna Brujic; Sam F. Edwards

2005-03-03T23:59:59.000Z

264

A high liquid yield process for retorting various organic materials including oil shale  

DOE Patents [OSTI]

This invention is a continuous retorting process for various high molecular weight organic materials, including oil shale, that yields an enhanced output of liquid product. The organic material, mineral matter, and an acidic catalyst, that appreciably adsorbs alkenes on surface sites at prescribed temperatures, are mixed and introduced into a pyrolyzer. A circulating stream of olefin enriched pyrolysis gas is continuously swept through the organic material and catalyst, whereupon, as the result of pyrolysis, the enhanced liquid product output is provided. Mixed spent organic material, mineral matter, and cool catalyst are continuously withdrawn from the pyrolyzer. Combustion of the spent organic material and mineral matter serves to reheat the catalyst. Olefin depleted pyrolysis gas, from the pyrolyzer, is enriched in olefins and recycled into the pyrolyzer. The reheated acidic catalyst is separated from the mineral matter and again mixed with fresh organic material, to maintain the continuously cyclic process. 2 figs.

Coburn, T.T.

1988-07-26T23:59:59.000Z

265

High liquid yield process for retorting various organic materials including oil shale  

DOE Patents [OSTI]

This invention is a continuous retorting process for various high molecular weight organic materials, including oil shale, that yields an enhanced output of liquid product. The organic material, mineral matter, and an acidic catalyst, that appreciably adsorbs alkenes on surface sites at prescribed temperatures, are mixed and introduced into a pyrolyzer. A circulating stream of olefin enriched pyrolysis gas is continuously swept through the organic material and catalyst, whereupon, as the result of pyrolysis, the enhanced liquid product output is provided. Mixed spent organic material, mineral matter, and cool catalyst are continuously withdrawn from the pyrolyzer. Combustion of the spent organic material and mineral matter serves to reheat the catalyst. Olefin depleted pyrolysis gas, from the pyrolyzer, is enriched in olefins and recycled into the pyrolyzer. The reheated acidic catalyst is separated from the mineral matter and again mixed with fresh organic material, to maintain the continuously cyclic process.

Coburn, Thomas T. (Livermore, CA)

1990-01-01T23:59:59.000Z

266

Nucleons, Nuclear Matter and Quark Matter: A unified NJL approach  

SciTech Connect (OSTI)

We use an effective quark model to describe both hadronic matter and deconfined quark matter. By calculating the equations of state and the corresponding neutron star properties, we show that the internal properties of the nucleon have important implications for the properties of these systems.

S. Lawley; W. Bentz; A.W. Thomas

2006-02-10T23:59:59.000Z

267

Cleaning Web Pages for Effective Web Content Mining  

E-Print Network [OSTI]

Cleaning Web Pages for Effective Web Content Mining Jing Li and C.I. Ezeife School of Computer://www.cs.uwindsor.ca/cezeife Abstract. Classifying and mining noise-free web pages will improve on accuracy of search results as well as search speed, and may benefit web- page organization applications (e.g., keyword-based search engines

Ezeife, Christie

268

Gamma-ray probes of dark matter substructure  

SciTech Connect (OSTI)

The substructure content of dark matter halos is interesting because it can be affected by complex galaxy physics and dark matter particle physics. However, observing the small scale structure of dark matter is a challenge. The subhalo abundance (mass function, minimum mass) and morphology (density profile, subhalo shape, subsubstructure) contain information about complex astrophysics (halo formation processes) and new exotic fundamental physics (dark matter interactions). Indirect detection of dark matter annihilation radiation (DMAR) in gamma rays may be the most direct method for observing small scale structure. I outline the ways in which gamma rays may probe halo substructure. If substructure is bountiful, it may be responsible for the eventual discovery of DMAR, for instance in galaxy clusters or the diffuse gamma-ray background. Otherwise, the observation of DMAR in places without much substructure, such as the Galactic center, would lead to strict limits on the properties of small scale structure. Properties of the gamma-ray angular power spectrum will also provide information or constraints on Milky Way halo substructure.

Campbell, Sheldon [Department of Physics and Center for Cosmology and AstroParticle Physics (CCAPP), The Ohio State University, 191 W. Woodruff Ave., Columbus, OH 43210 (United States)

2014-06-24T23:59:59.000Z

269

DARK MATTER AS AN ACTIVE GRAVITATIONAL AGENT IN CLOUD COMPLEXES  

SciTech Connect (OSTI)

We study the effect that the dark matter background (DMB) has on the gravitational energy content and, in general, on the star formation efficiency (SFE) of a molecular cloud (MC). We first analyze the effect that a dark matter halo, described by the Navarro-Frenk-White density profile, has on the energy budget of a spherical, homogeneous cloud located at different distances from the halo center. We found that MCs located in the innermost regions of a massive galaxy can feel a contraction force greater than their self-gravity due to the incorporation of the potential of the galaxy's dark matter halo. We also calculated analytically the gravitational perturbation that an MC produces over a uniform DMB (uniform at the scales of an MC) and how this perturbation will affect the evolution of the MC itself. The study shows that the star formation in an MC will be considerably enhanced if the cloud is located in a dense and low velocity dark matter environment. We confirm our results by measuring the SFE in numerical simulations of the formation and evolution of MCs within different DMBs. Our study indicates that there are situations where the dark matter's gravitational contribution to the evolution of the MCs should not be neglected.

Suarez-Madrigal, Andres; Ballesteros-Paredes, Javier; Colin, Pedro; D'Alessio, Paola, E-mail: a.suarez@crya.unam.mx [Centro de Radioastronomia y Astrofisica, Universidad Nacional Autonoma de Mexico, Apdo. Postal 72-3 (Xangari), Morelia, Michocan, Mexico C.P. 58089 (Mexico)

2012-04-01T23:59:59.000Z

270

Nitrogen isotopic evolution of carbonaceous matter during metamorphism: Methodology and preliminary results  

E-Print Network [OSTI]

their extraction from the rock. In view of that, a preliminary sealed-tube investigation of the organic nitrogen). However, with kerogen maturation and following carbonaceous matter (CM) metamorphism, a significant; Sucha et al., 1994). 15 N of this neo-formed mineral nitrogen can be different from its organic source

Cartigny, Pierre

271

Astronomical Evidence for Dark Matter  

E-Print Network [OSTI]

weapon in "Quake 4" is the Dark Matter Gun. In Futurama they use dark matter fuel, where "one pound is 10 of dynamics: #12;Galaxy Clusters Also with Sunyaev-Zel'dovich Effect. Inverse Compton scattering Sensitive to baryons Spectral distortion: Line of sight integral of pressure #12;Galaxy Clusters SZ Effect Compute

Golwala, Sunil

272

Energy Matters in Washington State  

E-Print Network [OSTI]

Energy Matters in Washington State Energy Matters in Washington State www.energy.wsu.edu/library/ November 2009 #12;905 Plum Street SE, Building 3 P.O. Box 43169 Olympia, Washington 98504-3169 Energy University Extension Energy Program. 905 Plum Street SE, Building 3, P.O. Box 43169, Olympia, Washington

Collins, Gary S.

273

A Reconsideration of Matter Waves  

E-Print Network [OSTI]

Matter waves were discovered in the early 20th century from their wavelength, predicted by DeBroglie, Planck's constant divided by the particle's momentum, that is, lmw = h/mv. But, the failure to obtain a reasonable theory for the matter wave frequency resulted somewhat in loss of further interest. It was expected that the frequency of the matter wave should correspond to the particle kinetic energy, that is, fmw = 1/2mv^2/h but the resulting velocity of the matter of the particle, v = fmw x lmw, is that the matter wave moves at one half the speed of the particle, obviously absurd as the particle and its wave must move together. If relativistic mass is used (as it should in any case) the problem remains, the same mass appearing in numerator and denominator and canceling. It is no help to hypothesize that the total energy, not just the kinetic energy, yields the matter wave. That attributes a matter wave to a particle at rest. It also gives the resulting velocity as c^2/v, the wave racing ahead of its particle. A reinterpretation of Einstein's derivation of relativistic kinetic energy (which produced his famous E = mc^2) leads to a valid matter wave frequency and a new understanding of particle kinetics and of the atom's stable orbits.

Roger Ellman

2005-05-16T23:59:59.000Z

274

Charmonium mass in nuclear matter  

E-Print Network [OSTI]

The mass shift of charmonium states in nuclear matter is studied in the perturbative QCD approach. The leading-order effect due to the change of gluon condensate in nuclear matter is evaluated using the leading-order QCD formula, while the higher...

Lee, S. H.; Ko, Che Ming.

2003-01-01T23:59:59.000Z

275

ContentsContents4466Reliability and quality control  

E-Print Network [OSTI]

ContentsContents4466Reliability and quality control 1. Reliability 2. Quality Control Learning outcomes You will first learn about the importance of the concept of reliability applied to systems previous experience with certain mathematical topics this time may vary considerably. 1 #12;Reliability

Vickers, James

276

Biodiesel Fuel Property Effects on Particulate Matter Reactivity  

SciTech Connect (OSTI)

Controlling diesel particulate emissions to meet the 2007 U.S. standard requires the use of a diesel particulate filter (DPF). The reactivity of soot, or the carbon fraction of particulate matter, in the DPF and the kinetics of soot oxidation are important in achieving better control of aftertreatment devices. Studies showed that biodiesel in the fuel can increase soot reactivity. This study therefore investigated which biodiesel fuel properties impact reactivity. Three fuel properties of interest included fuel oxygen content and functionality, fuel aromatic content, and the presence of alkali metals. To determine fuel effects on soot reactivity, the performance of a catalyzed DPF was measured with different test fuels through engine testing and thermo-gravimetric analysis. Results showed no dependence on the aromatic content or the presence of alkali metals in the fuel. The presence and form of fuel oxygen was the dominant contributor to faster DPF regeneration times and soot reactivity.

Williams, A.; Black, S.; McCormick, R. L.

2010-06-01T23:59:59.000Z

277

Toxicity of certain organic insecticides to honeybees  

E-Print Network [OSTI]

TCXICITY OF CERTAIN ORGANIC INSECTICIDES TO HONEYBEES A Dissertation TC J AM S NETVIN WEAVER Approved as to style and content by: of Committee)(Chairman XIY (Head of Department or Student Advisor) May 1953 TCOOTTY OF CERTAIN ORGANIC... INSECTICIDES TO HONEYBEES By J A M S NEVIN HEAVERin A Dissertation Submitted to the Graduate School of the Agricultural and Mechanical College of Texas in partial fulfillment of the requirements for the degree of DOCTOR. OF PHILOSOPHY May 1953 Major...

Weaver, James Nevin

1953-01-01T23:59:59.000Z

278

Energy Matters: Industrial Energy Efficiency | Department of...  

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

Matters: Industrial Energy Efficiency Energy Matters: Industrial Energy Efficiency November 18, 2011 - 2:33pm Addthis On November 16, 2011, Deputy Assistant Secretary for Energy...

279

Mesoscopic Fractional Quantum in Soft Matter Institute of Applied Physics and Computational Mathematics, P.O. Box 8009, Division Box  

E-Print Network [OSTI]

matter such as polymers, colloids, emulsions, foams, living organisms, rock layers, sediments, plastics, glass, rubber, oil, soil, DNA, etc, µ ranges from 0 to 2 and is from 0 to 1. It is worth pointing out

280

The Unification and Cogeneration of Dark Matter and Baryonic Matter  

E-Print Network [OSTI]

In grand unified theories with gauge groups larger than SU(5), the multiplets that contain the known quarks and leptons also contain fermions that are singlets under the Standard Model gauge group. Some of these could be the dark matter of the universe. Grand unified theories can also have accidental U(1) global symmetries (analogous to B-L in minimal SU(5)) that can stabilize dark matter. These ideas are illustrated in an SU(6) model.

S. M. Barr

2011-09-18T23:59:59.000Z

Note: This page contains sample records for the topic "organic matter content" 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

The Unification and Cogeneration of Dark Matter and Baryonic Matter  

E-Print Network [OSTI]

In grand unified theories with gauge groups larger than SU(5), the multiplets that contain the known quarks and leptons also contain fermions that are singlets under the Standard Model gauge group. Some of these could be the dark matter of the universe. Grand unified theories can also have accidental U(1) global symmetries (analogous to B-L in minimal SU(5)) that can stabilize dark matter. These ideas are illustrated in an SU(6) model.

Barr, S M

2011-01-01T23:59:59.000Z

282

Dark Matter Theory  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: Vegetation Proposed Newcatalyst phases onOrganizationElectronic2005-2007DanMesoporousDark Energy: ADark

283

Organization Chart - Home  

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

LSD Logo About Us People & Organization Research News & Events Safety Internal Resources Organization Chart Departments Scientific Staff Directory Committees Organization Chart...

284

Visual Analysis of Weblog Content  

SciTech Connect (OSTI)

In recent years, one of the advances of the World Wide Web is social media and one of the fastest growing aspects of social media is the blogosphere. Blogs make content creation easy and are highly accessible through web pages and syndication. With their growing influence, a need has arisen to be able to monitor the opinions and insight revealed within their content. In this paper we describe a technical approach for analyzing the content of blog data using a visual analytic tool, IN-SPIRE, developed by Pacific Northwest National Laboratory. We highlight the capabilities of this tool that are particularly useful for information gathering from blog data.

Gregory, Michelle L.; Payne, Deborah A.; McColgin, Dave; Cramer, Nick O.; Love, Douglas V.

2007-03-26T23:59:59.000Z

285

Physical Protection of Classified Matter  

Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]

The order establishes policy and objectives for physical protection of classified matter. This directive does not cancel another directive. Chg 1, 7-30-93. Canceled by 5632.1C.

1988-02-03T23:59:59.000Z

286

Cosmology, Thermodynamics and Matter Creation  

E-Print Network [OSTI]

Several approaches to the matter creation problem in the context of cosmological models are summarily reviewed. A covariant formulation of the general relativistic imperfect simple fluid endowed with a process of matter creation is presented. By considering the standard big bang model, it is shown how the recent results of Prigogine et alii \\cite{1} can be recovered and, at the same time their limits of validity are explicited.

J. A. S. Lima; M. O. Calvao; I. Waga

2007-08-24T23:59:59.000Z

287

Lorentz-violating dark matter  

E-Print Network [OSTI]

LORENTZ-VIOLATING DARK MATTER A Dissertation by ANTONIO R. MONDRAGON Submitted to the Office of Graduate Studies of Texas A&M University in partial fulfillment of the requirements for the degree of DOCTOR OF PHILOSOPHY May 2007 Major Subject...: Physics LORENTZ-VIOLATING DARK MATTER A Dissertation by ANTONIO R. MONDRAGON Submitted to the Office of Graduate Studies of Texas A&M University in partial fulfillment of the requirements for the degree of DOCTOR OF PHILOSOPHY Approved by: Chair...

Mondragon, Antonio Richard

2009-05-15T23:59:59.000Z

288

?CDM cosmology from matter only  

E-Print Network [OSTI]

I discuss a matter-only interpretation of {\\Lambda}CDM cosmology, based on conservation of energy and assuming a Machian definition of inertia. {\\Lambda}CDM cosmology can be linked to a Newtonian cosmic potential, subject to a propagating gravitational horizon. In a matter-only universe where total energy is conserved, Machian inertia related to the evolving potential may cause both deceleration and acceleration of recession.

Herman Telkamp

2015-04-08T23:59:59.000Z

289

New Praxis II Test for Subject Matter Spanish Majors Students who are matriculated into education programs for certification must take a Praxis II Spanish.  

E-Print Network [OSTI]

New Praxis II Test for Subject Matter Spanish Majors Students who are matriculated into education Knowledge: Test # 10191. If a student is matriculated in a Subject Matter Spanish program and has ALREADY taken Praxis II Spanish Content Knowledge: Test # 10191, AND PASSED they are grandfathered. Those

Rusu, Adrian

290

Two field matter bounce cosmology  

SciTech Connect (OSTI)

We re-examine the non-singular Matter Bounce scenario first developed in [20], which starts with a matter-dominated period of contraction and transitions into an Ekpyrotic phase of contraction. We consider both matter fields, the first of which plays the role of regular matter, and the second of which is responsible for the non-singular bounce. Since the dominant matter field is massive, the induced curvature fluctuations are initially not scale-invariant, whereas the fluctuations of the second scalar field (which are initially entropy fluctuations) are scale-invariant. We study the transfer of the initial entropy perturbations into curvature fluctuations in the matter-dominated phase of contraction and show that the latter become nearly scale invariant on large scales but are blue tilted on small scales. We study the evolution of both curvature and entropy fluctuations through the bounce, and show that both have a scale-invariant spectrum which is blue-tilted on small scales. However, we find that the entropy fluctuations have an amplitude that is much smaller than that of the curvature perturbations, due to gravitational amplification of curvature perturbations during the bounce phase.

Cai, Yi-Fu; McDonough, Evan; Duplessis, Francis; Brandenberger, Robert H., E-mail: yifucai@physics.mcgill.ca, E-mail: evanmc@physics.mcgill.ca, E-mail: francis.duplessis@mail.mcgill.ca, E-mail: rhb@hep.physics.mcgill.ca [Department of Physics, McGill University, Montréal, QC H3A 2T8 (Canada)

2013-10-01T23:59:59.000Z

291

TABLE OF CONTENTS ABSTRACT . . .. . . .. . . . . . . . . . . . . . . . . . . . . . v  

E-Print Network [OSTI]

............................................... 12 Water-Source Heat Pump Performance ............................ 18 Air-Source Heat Pump QUARTZ CONTENT OF SEDIMENTARY ROCK LAYERS ........ 17 TABLE 10. PROPERTIES OF SEDIMENTARY ROCK LAYERS OF PERFORMANCE OF WATER-SOURCE HEAT PUMP .............................. ................. 23 FIGURE 2. NODAL

Oak Ridge National Laboratory

292

Mental content, holism and communication   

E-Print Network [OSTI]

In this project, I defend a holistic, internalist conceptual-role theory of mental content (‘Holism’, for short). The account of communicative success which must be adopted by the Holist is generally thought to be ...

Pollock, Joanna Katharine Mary

2014-07-01T23:59:59.000Z

293

JOBAID-LAUNCHING ONLINE CONTENT  

Broader source: Energy.gov [DOE]

In this jobaid you will learn how to launch Online Content "Items" or Courses. In the LMS you can launch most anything as an "item": documents, courses, webpages and track users that have completed...

294

Nanotechnology: Small Matters  

SciTech Connect (OSTI)

The primary objective of this project was to engage members of the public in an active and balanced deliberative discussion about the social, ethical, legal, environmental, and policy issues arising from nanotechnologies. A second but equally important objective was to interest members of the public in learning more about science and technology and nanotechnology specifically by understanding how it will affect their lives. The objectives were met through a series of electronic and face-to-face citizen forums conducted in conjunction with three Fred Friendly Seminars being taped on the University of California, Berkeley campus in partnership with Lawrence Hall of Science (this forum was conducted in partnership with the St. Louis Science Center); the Boston Museum of Science in Boston, MA; and the State Museum of South Carolina in Columbia, South Carolina. The topical area for each forum paralleled the content of the Fred Friendly Seminars series being taped at each location, but specific topics/issues were drawn from the concerns and interests of the communities. The three topical areas included Environmental Impact (St. Louis), Privacy vs. Security (Boston), and Health and Enhancement (Columbia). The PI and project leader worked with the local science centers to identify stakeholder groups, such as academic, corporate and government scientists; environmental advocates; business leaders; science and technology journalists; and public policy makers within each community. Representatives from each group along with members of the general public were invited to participate in a series of on line and in person deliberations that were designed to provide basic information about the science, its potential benefits and risks, and avenues for public participation in policy formulation. On line resources were designed and managed by ScienceVIEW at Lawrence Hall of Science and Earth & Sky, Inc. The activities at each site were evaluated by Inverness Research Associates to assess whether they have achieved the objectives.

Cynthia Needham

2008-06-30T23:59:59.000Z

295

Cryogenic Dark Matter Search (CDMS): The Hunt for Dark Matter  

SciTech Connect (OSTI)

Deciphering the nature of dark matter has great scientific importance. A leading hypothesis is that dark matter is made of Weakly Interactive Massive Particles (WIMPs), which may result from supersymmetry or additional spatial dimensions. The underground search for elastic scattering of WIMPs on suitable targets (the so-called 'direct detection') is currently led by the Cryogenic Dark Matter Search II (CDMS II) experiment. Its sensitivity is ten times better than any other experiment and we hope to obtain another factor ten in the coming two years. After a brief recall of our recent results, I will describe the complementarity between direct detection experiments, the LHC and the ILC and I will outline the role that SLAC could play in this SuperCDMS program.

Sadoulet, Bernard (UC Berkeley) [UC Berkeley

2006-03-06T23:59:59.000Z

296

Sources and production of organic aerosol in Mexico City: insights from the combination of a chemical transport model (PMCAMx-2008) and measurements  

E-Print Network [OSTI]

Urban areas are large sources of organic aerosols and their precursors. Nevertheless, the contributions of primary (POA) and secondary organic aerosol (SOA) to the observed particulate matter levels have been difficult to ...

Tsimpidi, A. P.

297

Correlated microanalysis of cometary organic grains returned by Stardust Bradley T. De GREGORIO1,2*  

E-Print Network [OSTI]

of this chemical variety may be due to contamination or alteration during particle capture in aerogel. We matter infilling densified silica aerogel. Aliphatic organic matter from Track 16 was also observed not be clearly distinguished from carbonaceous contaminants known to be present in the Stardust aerogel collector

Nittler, Larry R.

298

Terrorist Safe Havens: Towards an Understanding of What They Accomplish for Terrorist Organizations  

E-Print Network [OSTI]

How do safe havens help facilitate a militant terrorist organization's activities and operations? This study expects to find that safe havens do matter, that they provide safety, training, rest, etc. The researcher presumes ...

Jean-Baptiste, Ari

2010-07-29T23:59:59.000Z

299

Investigation of the correlation between odd oxygen and secondary organic aerosol in Mexico City and Houston  

E-Print Network [OSTI]

Many recent models underpredict secondary organic aerosol (SOA) particulate matter (PM) concentrations in polluted regions, indicating serious deficiencies in the models' chemical mechanisms and/or missing SOA precursors. ...

Wood, E. C.

300

Chiral condensate in neutron matter  

E-Print Network [OSTI]

A recent chiral perturbation theory calculation of the in-medium quark condensate $$ is extended to the isospin-asymmetric case of pure neutron matter. In contrast to the behavior in isospin-symmetric nuclear matter we find only small deviations from the linear density approximation. This feature originates primarily from the reduced weight factors (e.g. 1/6 for the dominant contributions) of the $2\\pi$-exchange mechanisms in pure neutron matter. Our result suggests therefore that the tendencies for chiral symmetry restoration are actually favored in systems with large neutron excess (e.g. neutron stars). We also analyze the behavior of the density-dependent quark condensate $(\\rho_n)$ in the chiral limit $m_\\pi\\to 0$.

N. Kaiser; W. Weise

2008-08-06T23:59:59.000Z

Note: This page contains sample records for the topic "organic matter content" 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

The Power Spectrum of Matter  

E-Print Network [OSTI]

We calculate the mean power spectrum of galaxies using published power spectra of galaxies and clusters of galaxies. The mean power spectrum has a relatively sharp maximum on scale 120 Mpc (for Hubble constant h=1), followed by an almost exact power-law spectrum of index n = -1.9 toward smaller scales. The power spectrum found from APM 2-D galaxy distribution and from LCRS and IRAS 1.2 Jy surveys is flatter around the maximum. Power spectra of galaxies and matter are similar in shape, we find the bias parameter of galaxies relative to matter 1.3 + - 0.1. We compare the empirical power spectrum of matter with analytical power spectra and show that the primordial power spectrum has a break in amplitude and a spike.

J. Einasto

1998-11-27T23:59:59.000Z

302

ORGANIC CHEMISTRY UCLA Organic Chemistry Faculty  

E-Print Network [OSTI]

ORGANIC CHEMISTRY UCLA Organic Chemistry Faculty perform research in molecular machines, exotic CHEMISTRY FACULTY RESEARCH INTERESTS Anne M. Andrews, Professor-in-Residence: Understanding how areas of interest include cross- coupling reactions, green chemistry, heterocycle synthesis, and natural

Levine, Alex J.

303

Quantifying the Effect of Kerogen on Electrical Resistivity Measurements on Organic-rich Source Rocks  

E-Print Network [OSTI]

conductivity measurements (Rajeshwar et al., 1980) carried out on oil shale samples from the Green River oil shales illustrate the correlation between electrical behavior of organic matter and temperature. Researchers (Meng et al., 2012; Rajeshwar et al...., 1980) observed a pronounced effect of thermal maturity of organic matter and temperature on magnitude of measured electrical conductivity of the oil shale samples. The changes in kerogen network and structure, with increasing temperature and maturity...

Kethireddy, Nikhil Reddy

2013-12-04T23:59:59.000Z

304

Reducing cosmological small scale structure via a large dark matter-neutrino interaction: constraints and consequences  

E-Print Network [OSTI]

Cold dark matter explains a wide range of data on cosmological scales. However, there has been a steady accumulation of evidence for discrepancies between simulations and observations at scales smaller than galaxy clusters. Solutions to these small scale structure problems may indicate that simulations need to improve how they include feedback from baryonic matter, or may imply that dark matter properties differ from the standard cold, noninteracting scenario. One promising way to affect structure formation on small scales is a relatively strong coupling of dark matter to neutrinos. We construct an experimentally viable, simple, renormalizable, model with new interactions between neutrinos and dark matter. We show that addressing the small scale structure problems requires dark matter with a mass that is tens of MeV, and a present-day density determined by an initial particle-antiparticle asymmetry in the dark sector. Generating a sufficiently large dark matter-neutrino coupling requires a new heavy neutrino with a mass around 100 MeV. The heavy neutrino is mostly sterile but has a substantial $\\tau$ neutrino component, while the three nearly massless neutrinos are partly sterile. We provide the first discussion of how such dark matter-neutrino interactions affect neutrino (especially $\\tau$ neutrino) phenomenology. This model can be tested by future astrophysical, particle physics, and neutrino oscillation data. A feature in the neutrino energy spectrum and flavor content from a future nearby supernova would provide strong evidence of neutrino-dark matter interactions. Promising signatures include anomalous matter effects in neutrino oscillations due to nonstandard interactions and a component of the $\\tau$ neutrino with mass around 100 MeV.

Bridget Bertoni; Seyda Ipek; David McKeen; Ann E. Nelson

2014-12-09T23:59:59.000Z

305

CONTENTS  

E-Print Network [OSTI]

report was prepared as an account of work sponsored by an agency of the United States Government. Neither the United States Government nor any agency thereof, nor any of their employees, nor any of their contractors, subcontractors or their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or any third party’s use or the results of such use of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise, does not necessarily constitute or imply its endorsement, recommendation, or favoring by the United States Government or any agency thereof or its contractors or subcontractors. The views and opinions of authors

unknown authors

306

contents  

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

The accepted standards are anticipated to take the form of a Common Criteria Protection Profile. This report provides the status of work completed and discusses several...

307

Contents  

E-Print Network [OSTI]

Visit the Thomson Scientific web site at scientific.thomson.com First edition published December 1994 Second edition published August 1996 Third edition published October 2000 Fourth edition published February 2004 ISBN: 0 901157 29 5 (Third edition) ISBN: 1 903836 62 9 (Fourth edition)

unknown authors

308

Contents  

E-Print Network [OSTI]

ISBN: 0 901157 23 6 (Edition 4 revised) All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means – electronic, mechanical,

Thomson All Rights Reserved

309

Contents  

E-Print Network [OSTI]

Visit the Thomson Scientific web site at scientific.thomson.com First edition published December 1994 Second edition published January 1996 Revised second edition published October 2000 ISBN: 0 901157 34 1 (Revised Second Edition) ISBN: 1 903836 58 6 (Third Edition) All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means – electronic, mechanical, recording, photocopying or otherwise – without express

unknown authors

310

Contents  

E-Print Network [OSTI]

Modeling the invasion and spread of contagious diseases in heterogeneous populations; Wayne M. Getz, James O. Lloyd-Smith, Paul C. Cross, Shirli Bar-

311

CONTENTS  

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

developed to reduce the weight of cars and trucks, innovative approaches for protecting fish as they navigate power- producing dams, and a discovery that makes it possible to turn...

312

Contents  

National Nuclear Security Administration (NNSA)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of theOFFICEACME | NationalTbilisi08 to17 2.7 i® ALOHA

313

CONTENTS  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: Vegetation Proposed New Substation Sites Proposed Route BTRICGEGR-N Goods PO 1 of 81, 4/9/13)RELEASE:

314

CONTENTS  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: Vegetation Proposed New Substation Sites Proposed Route BTRICGEGR-N Goods PO 1 of 81, 4/9/13)RELEASE:

315

CONTENTS  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: Vegetation Proposed New Substation Sites Proposed Route BTRICGEGR-N Goods PO 1 of 81, 4/9/13)RELEASE:3.0

316

CONTENTS  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: Vegetation Proposed New Substation Sites Proposed Route BTRICGEGR-N Goods PO 1 of 81,

317

Contents  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarly Career Scientists'Montana. DOCUMENTS AVAILABLEReport 2009 DepartmentPower

318

Contents  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: Vegetation Proposed New SubstationCleanCommunity2Workshops 2008O"Program and Book of Abstracts

319

Fluid Mechanics Explains Cosmology, Dark Matter, Dark Energy, and Life  

E-Print Network [OSTI]

Observations of the interstellar medium by the Herschel, Planck etc. infrared satellites throw doubt on standard {\\Lambda}CDMHC cosmological processes to form gravitational structures. According to the Hydro-Gravitational-Dynamics (HGD) cosmology of Gibson (1996), and the quasar microlensing observations of Schild (1996), the dark matter of galaxies consists of Proto-Globular-star-Cluster (PGC) clumps of Earth-mass primordial gas planets in metastable equilibrium since PGCs began star production at 0.3 Myr by planet mergers. Dark energy and the accelerating expansion of the universe inferred from SuperNovae Ia are systematic dimming errors produced as frozen gas dark matter planets evaporate to form stars. Collisionless cold dark matter that clumps and hierarchically clusters does not exist. Clumps of PGCs began diffusion from the Milky Way Proto-Galaxy upon freezing at 14 Myr to give the Magellanic Clouds and the faint dwarf galaxies of the 10^22 m diameter baryonic dark matter Galaxy halo. The first stars persist as old globular star clusters (OGCs). Water oceans and the biological big bang occurred at 2-8 Myr. Life inevitably formed and evolved in the cosmological primordial organic soup provided by 10^80 big bang planets and their hot oceans as they gently merged to form larger binary planets and small binary stars.

Carl H. Gibson

2012-11-02T23:59:59.000Z

320

Data base for the analysis of compositional characteristics of coal seams and macerals. Final report. Part 2. A multivariate study of the interrelationships among selected variables of the organic fraction of samples of United States' coals  

SciTech Connect (OSTI)

Multivariate statistical techniques have been applied to study interrelationships among 12 variables within a set of 277 coals representing whole-seam channel, column, and core samples obtained from each of the 6 coal provinces of the United States, and varying in rank from lignite through anthracite. The data are maintained in computerized data base at The Pennsylvania State University Coal Research Section. The variables selected are components of the elemental analysis (carbon, oxygen, organic sulfur, hydrogen, and nitrogen), selected components of the proximate analysis (volatile matter and moisture), calorific value, reflectance of vitrinite, and the relative proportions of the 3 maceral groups (total vitrinite, inertinite, and liptinite group macerals). Faactor analyses performed on the entire data set and on subsets separated on the basis of rank, geographic location, and by cluster analysis indicated that rank is the most important factor in determining the amount of variation of each data set. The rank-dependent variables for the entire data set are carbon, reflectance, oxygen, volatile matter, calorific value, and moisture. The maceral groups account for the next greatest source of variation. Organic sulfur is independent of the first 2 factors and is the third most important source of variation. Cluster analyses indicated that the most significant partitioning produces 4 groups which are differentiated primarily on the basis of rank, maceral composition, and organic sulfur content. Factor analyses of the individual groups provide insights into the coalification processes of these more homogeneous coal associations.

Gerencher, J.J. Jr.

1983-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "organic matter content" 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

Microbial cleavage of organic C-S bonds  

DOE Patents [OSTI]

A microbial process is described for selective cleavage of organic C-S bonds which may be used for reducing the sulfur content of sulfur-containing organic carbonaceous materials. Microorganisms of Rhodococcus rhodochrous and Bacillus sphaericus have been found which have the ability of selective cleavage of organic C-S bonds. Particularly preferred microorganisms are Rhodococcus rhodochrous strain ATCC 53968 and Bacillus sphaericus strain ATCC 53969 and their derivatives.

Kilbane, J.J. II.

1994-10-25T23:59:59.000Z

322

Solar Neutrino Matter Effects Redux  

E-Print Network [OSTI]

Following recent low-threshold analysis of the Sudbury Neutrino Observatory and asymmetry measurements of the BOREXINO Collaboration of the solar neutrino flux, we revisit the analysis of the matter effects in the Sun. We show that solar neutrino data constrains the mixing angle $\\theta_{13}$ poorly and that subdominant Standard Model effects can mimic the effects of the physics beyond the Standard Model.

A. B. Balantekin; A. Malkus

2011-12-19T23:59:59.000Z

323

Phi Meson in Dense Matter  

E-Print Network [OSTI]

The effect of the kaon loop correction to the property of a phi meson in dense matter is studied in the vector dominance model. Using the density-dependent kaon effective mass determined from the linear chiral perturbation theory, we find...

Ko, Che Ming; Levai, P.; Qiu, X. J.; Li, C. T.

1992-01-01T23:59:59.000Z

324

HEALTH MATTERS Copper T IUD  

E-Print Network [OSTI]

HEALTH MATTERS Copper T IUD What is the Copper T IUD? The Copper T IUD is one of two types of intrauterine devices available in the United States. The Copper T IUD is a small, flexible device made of soft plastic and copper. It is easily and quickly inserted into the uterus by a health care provider to prevent

Yener, Aylin

325

Laser Cooling of Matter INTRODUCTION  

E-Print Network [OSTI]

- velopment of techniques that have allowed the ion motion to be cooled into the ground state of the confiningLaser Cooling of Matter INTRODUCTION Laser cooling of neutral atoms in the past decades has been a breakthrough in the understanding of their dy- namics and led to the seminal proposals of laser cooling

Kaiser, Robin

326

Organic removal from domestic wastewater by activated alumina adsorption  

E-Print Network [OSTI]

of the major groups of pollutants in wastewaters. Adsorption by granular activated carbon, a non-polar adsorbent, is now the primary treatment process for removal of residual organics from biologically treated wastewater. The ability of activated alumina... to human health if they exist in the water supply at relatively high concentrations. A wide variety of treatment processes are available to remove organic matter from wastewater. Biological treatment is the most cost effective method for removing oxygen...

Yang, Pe-Der

1982-01-01T23:59:59.000Z

327

FIRE SAFETY PROGRAM TABLE OF CONTENTS  

E-Print Network [OSTI]

FIRE SAFETY PROGRAM TABLE OF CONTENTS Overview................................................................................................. 5 Health and Life Safety Fund........................................................................................................... 5 Hot work

Lin, Zhiqun

328

Why Geology Matters: Decoding the Past, Anticipating the Future  

E-Print Network [OSTI]

Review: Why Geology Matters: Decoding the Past, AnticipatingUSA Macdougall, Doug. Why Geology Matters: Decoding theE-book available. Why Geology Matters pursues two goals: to

Anderson, Byron P.

2011-01-01T23:59:59.000Z

329

Energy Matters: Our Energy Independence | Department of Energy  

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

Matters: Our Energy Independence Energy Matters: Our Energy Independence Addthis Description In this installment of the livechat series "Energy Matters," Dr. Arun Majumdar takes...

330

Condensed Matter Theory Center/JQI  

E-Print Network [OSTI]

Joint Condensed Matter Theory Center/JQI Seminar Wednesday, March 21, 11:00-12:30pm 2205 Physics in condensed matter physics. Among the exciting recent developments in this direction are the discoveries

Lathrop, Daniel P.

331

Condensed Matter Theory Center Tuesday, December 13  

E-Print Network [OSTI]

Condensed Matter Theory Center Seminar Tuesday, December 13 11:00am-12:30pm 2205 Physics Building" Abstract: At sufficiently low temperatures, condensed-matter systems tend to develop order. An notable

Lathrop, Daniel P.

332

Condensed Matter Theory Center Wednesday, May 18  

E-Print Network [OSTI]

Condensed Matter Theory Center Seminar Wednesday, May 18 11am-12pm 2205 Physics Building Zhengcheng condensed matter physics is based on two theories: symmetry breaking theory for phases and phase transitions

Lathrop, Daniel P.

333

Dark matter axions and caustic rings  

SciTech Connect (OSTI)

This report contains discussions on the following topics: the strong CP problem; dark matter axions; the cavity detector of galactic halo axions; and caustic rings in the density distribution of cold dark matter halos.

Sikivie, P.

1997-11-01T23:59:59.000Z

334

Statistical mechanics of hot dense matter  

SciTech Connect (OSTI)

Research on properties of hot dense matter produced with high intensity laser radiation is described in a brief informal review.

More, R.

1986-10-01T23:59:59.000Z

335

Nuclear matter to strange matter transition in holographic QCD  

E-Print Network [OSTI]

We construct a simple holographic QCD model to study nuclear matter to strange matter transition. The interaction of dense medium and hadrons is taken care of by imposing the force balancing condition for stable D4/D6/D6 configuration. By considering the intermediate and light flavor branes interacting with baryon vertex homogeneously distributed along R^3 space and requesting the energy minimization, we find that there is a well defined transition density as a function of current quark mass. We also find that as density goes up very high, intermediate (or heavy) and light quarks populate equally as expected from the Pauli principle. In this sense, the effect of the Pauli principle is realized as dynamics of D-branes.

Youngman Kim; Yunseok Seo; Sang-Jin Sin

2009-11-19T23:59:59.000Z

336

PHOTOINDUCTIVE DEGRADATION OF TWO ESTROGENS BY NATURAL DISSOLVED ORGANIC  

E-Print Network [OSTI]

PHOTOINDUCTIVE DEGRADATION OF TWO ESTROGENS BY NATURAL DISSOLVED ORGANIC MATTER UNDER SIMULATED on the nature and origin of the media (Thurman 1985) Photodegradation - degradation (break of aromatic HPLC-UV Spectrophotometer, Fluorimeter, TOCmeter Suntest 8h, 250 W/m2, 900 kJ/h : - ~ 800 nM E1 or E2

Boyer, Edmond

337

3D Imaging Of Wet Granular Matter  

E-Print Network [OSTI]

3D Imaging Of Wet Granular Matter Leonard Goff Advisor: Dr. Wolfgang Losert With Application to Penetrometer Insertion #12;3D Imaging Of Wet Granular Matter Leonard Goff, Advisor: Dr. Wolfgang Losert CoffeeSand Gravel Oops! #12;3D Imaging Of Wet Granular Matter Leonard Goff, Advisor: Dr. Wolfgang Losert

Anlage, Steven

338

Tracking the Roots of Reading Ability: White Matter Volume and Integrity Correlate with Phonological Awareness in Prereading and Early-Reading Kindergarten Children  

E-Print Network [OSTI]

Developmental dyslexia, an unexplained difficulty in learning to read, has been associated with alterations in white matter organization as measured by diffusion-weighted imaging. It is unknown, however, whether these ...

Saygin, Zeynep M.

339

Organic Photovoltaics Philip Schulz  

E-Print Network [OSTI]

Field Effect Transistors Organic Light Emitting Diodes Organic Solar Cells .OFET, OTFT .RF-ID tag 1977 ­ Conductivity in polymers 1986 ­ First heterojunction OPV 1987 ­ First organic light emitting diode (OLED) 1993 ­ First OPV from solution processing 2001 ­ First certified organic solar cell with 2

Firestone, Jeremy

340

Departmental Organization and Management  

Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]

Effective immediately, the Departmental organization structure reflected in the chart at Attachment 1 has been approved.

1993-06-10T23:59:59.000Z

Note: This page contains sample records for the topic "organic matter content" 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

Absorption Properties of Dissolved and Particulate Matter in Turbid Productive Inland Lakes  

E-Print Network [OSTI]

of solar energy: colored dissolved organic matter (subscript CDOM), suspended non-algal particles of North America (Nebraska, USA). STUDY AREA Data were collected in eastern Nebraska during 2002 and 2003 as freshwater supplies and recreational areas. Optical properties of lakes may provide for example the time

Gitelson, Anatoly

342

On Math, Matter and Mind  

E-Print Network [OSTI]

We discuss the nature of reality in the ontological context of Penrose's math-matter-mind triangle. The triangle suggests the circularity of the widespread view that math arises from the mind, the mind arises out of matter, and that matter can be explained in terms of math. Non-physicists should be wary of any claim that modern physics leads us to any particular resolution of this circularity, since even the sample of three theoretical physicists writing this paper hold three divergent views. Some physicists believe that current physics has already found the basic framework for a complete description of reality, and only has to fill in the details. Others suspect that no single framework, from physics or other sources, will ever capture reality. Yet others guess that reality might be approached arbitrarily closely by some form of future physics, but probably based on completely different frameworks. We will designate these three approaches as the fundamentalist, secular and mystic views of the world, as seen by practicing physicists. We present and contrast each of these views, which arguably form broad categories capturing most if not all interpretations of physics. We argue that this diversity in the physics community is more useful than an ontological monoculture, since it motivates physicists to tackle unsolved problems with a wide variety of approaches.

Piet Hut; Mark Alford; Max Tegmark

2006-01-15T23:59:59.000Z

343

Conformal Inflation Coupled to Matter  

E-Print Network [OSTI]

We formulate new conformal models of inflation and dark energy which generalise the Higgs-Dilaton scenario. We embed these models in unimodular gravity whose effect is to break scale invariance in the late time Universe. In the early Universe, inflation occurs close to a maximum of both the scalar potential and the scalar coupling to the Ricci scalar in the Jordan frame. At late times, the dilaton, which decouples from the dynamics during inflation, receives a potential term from unimodular gravity and leads to the acceleration of the Universe. We address two central issues in this scenario. First we show that the Damour-Polyalov mechanism, when non-relativistic matter is present prior to the start of inflation, sets the initial conditions for inflation at the maximum of the scalar potential. We then show that conformal invariance implies that matter particles are not coupled to the dilaton in the late Universe at the classical level. When fermions acquire masses at low energy, scale invariance is broken and quantum corrections induce a coupling between the dilaton and matter which is still small enough to evade the gravitational constraints in the solar system.

P. Brax; A. C. Davis

2014-01-28T23:59:59.000Z

344

Effects of Advanced Combustion Technologies on Particulate Matter...  

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

Effects of Advanced Combustion Technologies on Particulate Matter Emissions Characteristics Effects of Advanced Combustion Technologies on Particulate Matter Emissions...

345

Strange Quark Matter and Compact Stars  

E-Print Network [OSTI]

Astrophysicists distinguish between three different types of compact stars. These are white dwarfs, neutron stars, and black holes. The former contain matter in one of the densest forms found in the Universe which, together with the unprecedented progress in observational astronomy, make such stars superb astrophysical laboratories for a broad range of most striking physical phenomena. These range from nuclear processes on the stellar surface to processes in electron degenerate matter at subnuclear densities to boson condensates and the existence of new states of baryonic matter--like color superconducting quark matter--at supernuclear densities. More than that, according to the strange matter hypothesis strange quark matter could be more stable than nuclear matter, in which case neutron stars should be largely composed of pure quark matter possibly enveloped in thin nuclear crusts. Another remarkable implication of the hypothesis is the possible existence of a new class of white dwarfs. This article aims at giving an overview of all these striking physical possibilities, with an emphasis on the astrophysical phenomenology of strange quark matter. Possible observational signatures associated with the theoretically proposed states of matter inside compact stars are discussed as well. They will provide most valuable information about the phase diagram of superdense nuclear matter at high baryon number density but low temperature, which is not accessible to relativistic heavy ion collision experiments.

Fridolin Weber

2004-09-27T23:59:59.000Z

346

Cosmological perturbations in mimetic matter model  

E-Print Network [OSTI]

We investigate the cosmological evolution of mimetic matter model with arbitrary scalar potential. The cosmological reconstruction is explicitly done for different choices of potential. The cases that mimetic matter model shows the evolution as Cold Dark Matter(CDM), wCDM model, dark matter and dark energy with dynamical $Om(z)$ or phantom dark energy with phantom-non-phantom crossing are presented in detail. The cosmological perturbations for such evolution are studied in mimetic matter model. For instance, the evolution behavior of the matter density contrast which is different from usual one, i.e. $\\ddot \\delta + 2 H \\dot \\delta - \\kappa ^2 \\rho \\delta /2 = 0$ is investigated. The possibility of peculiar evolution of $\\delta$ in the model under consideration is shown. Special attention is paid to the behavior of matter density contrast near to future singularity where decay of perturbations may occur much earlier the singularity.

Matsumoto, Jiro; Sushkov, Sergey V

2015-01-01T23:59:59.000Z

347

CORRELATED MICROANALYSIS OF COMETARY ORGANIC GRAINS RETURNED BY STARDUST. B. T. De Gregorio1,2  

E-Print Network [OSTI]

walls [2, 5, 6], and as organic matter in aerogel around tracks [7, 8]. The organic chemistry of these carbonaceous samples, since contaminants could be introduced from the spacecraft [12], aerogel [1, 8], or during sample preparation. In addition, hyperveloci- ty capture into aerogel may have heated cometary ma

Nittler, Larry R.

348

CONTENTS OF A VISIT REQUEST  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: Vegetation Proposed New Substation Sites Proposed Route BTRICGEGR-N Goods PO 1 of 81,ConcentratedCONTENTS

349

content | OpenEI Community  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Office of InspectorConcentrating SolarElectric Coop,SaveWhiskey Flats GeothermalElectric Coop Home7 August,content Home

350

Implications of Recent Nucleon Spin Structure Measurements for Neutralino Dark Matter Detection  

E-Print Network [OSTI]

Predicted rates for direct and indirect detection of dark-matter neutralinos depend in general on the spin content of the nucleon. Neutralinos that are predominantly $B$-ino are the likeliest candidates for detection via spin-dependent interactions. Uncertainties in the measured spin content of the nucleon may lead to dramatic uncertainties in the rates for detection of $B$-inos by scattering off of nuclei with unpaired neutrons. Rates for spin-dependent scattering of $B$-inos off of nuclei with unpaired protons are far more robust, as are rates for capture of $B$-inos in the Sun.

Marc Kamionkowski; Lawrence M. Krauss; M. Ted Ressell

1994-06-22T23:59:59.000Z

351

Mixed crystal organic scintillators  

DOE Patents [OSTI]

A mixed organic crystal according to one embodiment includes a single mixed crystal having two compounds with different bandgap energies, the organic crystal having a physical property of exhibiting a signal response signature for neutrons from a radioactive source, wherein the signal response signature does not include a significantly-delayed luminescence characteristic of neutrons interacting with the organic crystal relative to a luminescence characteristic of gamma rays interacting with the organic crystal. According to one embodiment, an organic crystal includes bibenzyl and stilbene or a stilbene derivative, the organic crystal having a physical property of exhibiting a signal response signature for neutrons from a radioactive source.

Zaitseva, Natalia P; Carman, M Leslie; Glenn, Andrew M; Hamel, Sebastien; Hatarik, Robert; Payne, Stephen A; Stoeffl, Wolfgang

2014-09-16T23:59:59.000Z

352

SOFA 2 Documentation Table of contents  

E-Print Network [OSTI]

SOFA 2 Documentation Table of contents 1 Overview...................................................................................................................... 2 2 Documentation............................................................................................................. 2 3 Other documentation and howtos

353

The Evolution of Galaxies by the Incompatibility between Dark Matter and Baryonic Matter  

E-Print Network [OSTI]

In this paper, the evolution of galaxies is by the incompatibility between dark matter and baryonic matter. Due to the structural difference, baryonic matter and dark matter are incompatible to each other as oil droplet and water in emulsion. In the interfacial zone between dark matter and baryonic matter, this incompatibility generates the modification of Newtonian dynamics to keep dark matter and baryonic matter apart. The five periods of baryonic structure development in the order of increasing incompatibility are the free baryonic matter, the baryonic droplet, the galaxy, the cluster, and the supercluster periods. The transition to the baryonic droplet generates density perturbation in the CMB. In the galaxy period, the first-generation galaxies include elliptical, normal spiral, barred spiral, irregular, and dwarf spheroidal galaxies. In the cluster period, the second-generation galaxies include modified giant ellipticals, cD, evolved S0, dwarf elliptical, BCD, and tidal dwarf galaxies. The whole observable expanding universe behaves as one unit of emulsion with increasing incompatibility between dark matter and baryonic matter. The properties of dark matter and baryonic matter are based on cosmology derived from the two physical structures: the space structure and the object structure. Baryonic matter can be described by the periodic table of elementary particles.

Ding-Yu Chung

2011-02-10T23:59:59.000Z

354

WOGOGOB-2004 CONFERENCE MATERIALS. Edited by O. Hints & L. Ainsaar During Kukruse (Caradoc) time, light-brown organ-  

E-Print Network [OSTI]

ic matter forming oil shale interlayers in calcareous sediments accumulated in the Baltoscandian Basin (Nestor & Einasto 1997). The oil shale is composed of almost equal portions of carbonate, and clayey siliciclastic and organic matter. The existence of a rich and diverse normal marine bottom

unknown authors

355

Synchrotron based mass spectrometry to investigate the molecular properties of mineral-organic associations  

SciTech Connect (OSTI)

Soil organic matter (OM) is important because its decay drives life processes in the biosphere. Analysis of organic compounds in geological systems is difficult because of their intimate association with mineral surfaces. To date there is no procedure capable of quantitatively separating organic from mineral phases without creating artifacts or mass loss. Therefore, analytical techniques that can (a) generate information about both organic and mineral phases simultaneously and (b) allow the examination of predetermined high-interest regions of the sample as opposed to conventional bulk analytical techniques are valuable. Laser Desorption Synchrotron Postionization (synchrotron-LDPI) mass spectrometry is introduced as a novel analytical tool to characterize the molecular properties of organic compounds in mineral-organic samples from terrestrial systems, and it is demonstrated that when combined with Secondary Ion Mass Spectrometry (SIMS), can provide complementary information on mineral composition. Mass spectrometry along a decomposition gradient in density fractions, verifies the consistency of our results with bulk analytical techniques. We further demonstrate that by changing laser and photoionization energies, variations in molecular stability of organic compounds associated with mineral surfaces can be determined. The combination of synchrotron-LDPI and SIMS shows that the energetic conditions involved in desorption and ionization of organic matter may be a greater determinant of mass spectral signatures than the inherent molecular structure of the organic compounds investigated. The latter has implications for molecular models of natural organic matter that are based on mass spectrometric information.

Liu, Suet Yi; Kleber, Markus; Takahashi, Lynelle K.; Nico, Peter; Keiluweit, Marco; Ahmed, Musahid

2013-04-01T23:59:59.000Z

356

Sterile dark matter and reionization  

E-Print Network [OSTI]

Sterile neutrinos with masses in the keV range can be the dark matter, and their emission from a supernova can explain the observed velocities of pulsars. The sterile neutrino decays could produce the x-ray radiation in the early universe, which could have an important effect on the formation of the first stars. X-rays could ionize gas and could catalyze the production of molecular hydrogen during the ``dark ages''. The increased fraction of molecular hydrogen could facilitate the cooling and collapse of the primordial gas clouds in which the first stars were formed.

Alexander Kusenko

2006-09-13T23:59:59.000Z

357

Dark Matter in the MSSM  

SciTech Connect (OSTI)

We have recently examined a large number of points in the parameter space of the phenomenological MSSM, the 19-dimensional parameter space of the CP-conserving MSSM with Minimal Flavor Violation. We determined whether each of these points satisfied existing experimental and theoretical constraints. This analysis provides insight into general features of the MSSM without reference to a particular SUSY breaking scenario or any other assumptions at the GUT scale. This study opens up new possibilities for SUSY phenomenology both in colliders and in astrophysical experiments. Here we shall discuss the implications of this analysis relevant to the study of dark matter.

Cotta, R.C.; Gainer, J.S.; Hewett, J.L.; Rizzo, T.G.; /SLAC

2009-04-07T23:59:59.000Z

358

Organic photovoltaics and concentrators  

E-Print Network [OSTI]

The separation of light harvesting and charge generation offers several advantages in the design of organic photovoltaics and organic solar concentrators for the ultimate end goal of achieving a lower cost solar electric ...

Mapel, Jonathan King

2008-01-01T23:59:59.000Z

359

Dark matter annihilation and decay in dwarf spheroidal galaxies: The classical and ultrafaint dSphs  

E-Print Network [OSTI]

Dwarf spheroidal (dSph) galaxies are prime targets for present and future gamma-ray telescopes hunting for indirect signals of particle dark matter. The interpretation of the data requires careful assessment of their dark matter content in order to derive robust constraints on candidate relic particles. Here, we use an optimised spherical Jeans analysis to reconstruct the `astrophysical factor' for both annihilating and decaying dark matter in 21 known dSphs. Improvements with respect to previous works are: (i) the use of more flexible luminosity and anisotropy profiles to minimise biases, (ii) the use of weak priors tailored on extensive sets of contamination-free mock data to improve the confidence intervals, (iii) systematic cross-checks of binned and unbinned analyses on mock and real data, and (iv) the use of mock data including stellar contamination to test the impact on reconstructed signals. Our analysis provides updated values for the dark matter content of 8 `classical' and 13 `ultrafaint' dSphs, wi...

Bonnivard, V; Daniel, M; Funk, S; Geringer-Sameth, A; Hinton, J A; Maurin, D; Read, J I; Sarkar, S; Walker, M G; Wilkinson, M I

2015-01-01T23:59:59.000Z

360

Organic photosensitive devices  

DOE Patents [OSTI]

The present invention generally relates to organic photosensitive optoelectronic devices. More specifically, it is directed to organic photosensitive optoelectronic devices having a photoactive organic region containing encapsulated nanoparticles that exhibit plasmon resonances. An enhancement of the incident optical field is achieved via surface plasmon polariton resonances. This enhancement increases the absorption of incident light, leading to a more efficient device.

Rand, Barry P; Forrest, Stephen R

2013-11-26T23:59:59.000Z

Note: This page contains sample records for the topic "organic matter content" 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

Total organic carbon as an indicator of wood delignification  

SciTech Connect (OSTI)

Kraft pulping experiments were performed in a 12-liter electrically heated laboratory digester to determine pulp yields and residual lignin content (kappa number) as a function of time. Samples of the pulp and the black liquor were analyzed for total organic carbon (TOC) content by oxidizing the samples in a combustion furnace and measuring the released CO/sub 2/ gravimetrically. The experimental data on TOC were correlated with kappa number and yield. Results can be explained satisfactorily using a mathematical model based upon the principle of conservation of mass. The TOC content of black liquor appears to be a useful parameter for batch digester control. 17 references.

Genco, J.M.; Hassler, J.C.; Busayasakul, N.

1984-07-01T23:59:59.000Z

362

Initial value constraints with tensor matter  

E-Print Network [OSTI]

In generally covariant metric gravity theories with tensor matter fields, the initial value constraint equations, unlike in general relativity, are in general not just the 0\\mu-components of the metric field equation. This happens because higher derivatives can occur in the matter stress tensor. A universal form for these constraints is derived here from a generalized Bianchi identity that includes matter fields. As an application, the constraints for Einstein-aether theory are found.

Ted Jacobson

2011-08-06T23:59:59.000Z

363

Lorentz violation and Condensed Matter Physics  

E-Print Network [OSTI]

We present heuristic arguments that hint to a possible connection of Lorentz violation with observed phenomenon in condensed matter physics. Various references from condensed matter literature are cited where operators in the Standard Model Extension (SME) appear to be enhanced. Based on this we propose that, in the non-relativistic limit, Lorentz violation in the context of the SME exhibits itself in various condensed matter systems.

Muhammad Adeel Ajaib

2014-03-29T23:59:59.000Z

364

Noble Travails: Noble Liquid Dark Matter Detectors  

E-Print Network [OSTI]

, or water, 0.1x flux per 10 cm Cosmic Ray Muons generate high energy neutrons 50 MeV - 3 GeV which are toughGaitskell Noble Travails: Noble Liquid Dark Matter Detectors Rick Gaitskell Particle Astrophysics://particleastro.brown.edu/ http://gaitskell.brown.edu v1 #12;LUX Dark Matter Collaboration 2007 v01_7mm Dark Matter Theory

Golwala, Sunil

365

Axion Dark Matter Detection using Atomic Transitions  

E-Print Network [OSTI]

Dark matter axions may cause transitions between atomic states that differ in energy by an amount equal to the axion mass. Such energy differences are conveniently tuned using the Zeeman effect. It is proposed to search for dark matter axions by cooling a kilogram-sized sample to milliKelvin temperatures and count axion induced transitions using laser techniques. This appears an appropriate approach to axion dark matter detection in the $10^{-4}$ eV mass range.

P. Sikivie

2014-09-09T23:59:59.000Z

366

Shapes of dark matter halos  

E-Print Network [OSTI]

I present an analysis of the density shapes of dark matter halos in LCDM and LWDM cosmologies. The main results are derived from a statistical sample of galaxy-mass halos drawn from a high resolution LCDM N-body simulation. Halo shapes show significant trends with mass and redshift: low-mass halos are rounder than high mass halos, and, for a fixed mass, halos are rounder at low z. Contrary to previous expectations, which were based on cluster-mass halos and non-COBE normalized simulations, LCDM galaxy-mass halos at z=0 are not strongly flattened, with short to long axis ratios of s = 0.70 +/- 0.17. I go on to study how the shapes of individual halos change when going from a LCDM simulation to a simulation with a warm dark matter power spectrum (LWDM). Four halos were compared, and, on average, the WDM halos are more spherical than their CDM counterparts (s =0.77 compared to s = 0.71). A larger sample of objects will be needed to test whether the trend is significant.

James S. Bullock

2001-06-21T23:59:59.000Z

367

Content in physical education 1 The Contribution of Two Research Programs on Teaching Content  

E-Print Network [OSTI]

: "Pedagogical Content Knowledge" and "Didactics of Physical Education" Chantal Amade-Escot, Toulouse University with pedagogical content knowledge; the other, in France, studying the didactics of physical education (didactics communities. Key-words Content in Physical Education, Pedagogical Content Knowledge, Didactics of Physical

Paris-Sud XI, Université de

368

ALS Reveals New State of Matter  

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

papers and extensive news coverage of their work on a new state of matter embodied by "topological insulators," materials that conduct electricity only on their surfaces. First...

369

Condensed Matter Theory Center Fall 2009 Symposium  

E-Print Network [OSTI]

Condensed Matter Theory Center Fall 2009 Symposium September 28 - October 2, 2009 2202 Physics Barnett, "Vortex lattice locking in rotating BECs and spinor condensates" Maxim Dzero, "Cooper pair

Lathrop, Daniel P.

370

Quantum Condensates in Nuclear Matter: Problems  

E-Print Network [OSTI]

In connection with the contribution "Quantum Condensates in Nuclear Matter" some problems are given to become more familiar with the techniques of many-particle physics.

G. Ropke; D. Zablocki

2010-01-11T23:59:59.000Z

371

Dark Energy and Dark Matter Models  

E-Print Network [OSTI]

We revisit the problems of dark energy and dark matter and several models designed to explain them, in the light of some latest findings.

Burra G. Sidharth

2015-01-07T23:59:59.000Z

372

PROBING DENSE NUCLEAR MATTER VIA NUCLEAR COLLISIONS  

E-Print Network [OSTI]

University of California. LBL-12095 Probing Dense NuclearMatter Nuclear Collisions* v~a H. Stocker, M.Gyulassy and J. Boguta Nuclear Science Division Lawrence

Stocker, H.

2012-01-01T23:59:59.000Z

373

Dissipative dark matter explains rotation curves  

E-Print Network [OSTI]

Dissipative dark matter, where dark matter particles interact with a massless (or very light) boson, is studied. Such dark matter can arise in simple hidden sector gauge models, including those featuring an unbroken $U(1)'$ gauge symmetry, leading to a dark photon. Previous work has shown that such models can not only explain the LSS and CMB, but potentially also dark matter phenomena on small scales, such as the inferred cored structure of dark matter halos. In this picture, dark matter halos of disk galaxies not only cool via dissipative interactions but are also heated via ordinary supernovae (facilitated by an assumed photon - dark photon kinetic mixing interaction). This interaction between the dark matter halo and ordinary baryons, a very special feature of these types of models, plays a critical role in governing the physical properties of the dark matter halo. Here, we further study the implications of this type of dissipative dark matter for disk galaxies. Building on earlier work, we develop a simpl...

Foot, R

2015-01-01T23:59:59.000Z

374

Table of Contents Executive Summary............................................................................................................................................ 1  

E-Print Network [OSTI]

........................................................................................................................................................ 47 Recycling and Waste Group... 76 Appendix C: Sustainability Organizations on Campus

Fainman, Yeshaiahu

375

arrestin content studied: Topics by E-print Network  

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

of Two Research Programs on Teaching Content: "Pedagogical Content Knowledge" and "Didactics of Physical Education" Chantal Amade-Escot, Toulouse University Abstract Content in...

376

Total Organic Carbon Analyzer | EMSL  

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

Total Organic Carbon Analyzer Total Organic Carbon Analyzer The carbon analyzer is used to analyze total carbon (TC), inorganic carbon (IC), total organic carbon (TOC), purgeable...

377

Highly He-Rich Matter Dredged Up by Extra Mixing through Stellar Encounters in Globular Clusters  

E-Print Network [OSTI]

The unveiled main-sequence splitting in omega Centauri as well as NGC 2808 suggests that matter highly-enriched in He (in terms of its mass fraction Y~0.4) was produced and made the color of some main-sequence stars bluer in these globular clusters (GCs). The potential production site for the He-rich matter is generally considered to be massive AGB stars that experience the second dredge-up. However, it is found that massive AGB stars provide the matter with Y~0.35 at most, while the observed blue-shift requires the presence of Y~0.4 matter. Here, we show that extra mixing, which operates in the red giant phase of stars less massive than ~2Msun, could be a mechanism that enhances He content in their envelopes up to Y~0.4. The extra mixing is supposed to be induced by red giant encounters with other stars in a collisional system like GCs. The Y~0.4 matter released in the AGB phase has alternative fates to (i) escape from a GC or (ii) be captured by kinematically cool stars through encounters. The AGB ejecta in omega Cen, which follows the latter case, can supply sufficient He to cause the observed blue-shift. Simultaneously, this scheme generates the extreme horizontal branch, as observed in omega Cen in response to the higher mass loss rates, which is also caused by stellar encounters.

Takuma Suda; Takuji Tsujimoto; Toshikazu Shigeyama; Masayuki Y. Fujimoto

2007-10-28T23:59:59.000Z

378

2011 Microsoft Corporation. All rights reserved. Reposting of content without explicit permission is forbidden.  

E-Print Network [OSTI]

guidance. 1 2 51 GEEK OF ALL TRADES Fabric, Host Cluster and Cloud Greg Shields 59 WINDOWS POWERSHELL Build Data List Raymond Chen #12;© 2011 Microsoft Corporation. All rights reserved. Reposting of content to an organization in any of a variety of positions. It`s sound advice: invest your time, energy and passion in your

Hunt, Galen

379

Public Service "The Minor That Matters"  

E-Print Network [OSTI]

degree. Employees in public service have the opportunity to: vdeliver and manage public programs vaddressMinorThatMatters" TAKEYOURCAR EER IN ANENTIRE LY NEW DIRECTION #12;Public Service...The Minor That Matters Purpose of the Minor designed to provide a solid foundation in public administration and non-profit management, including

380

Advanced particulate matter control apparatus and methods  

DOE Patents [OSTI]

Apparatus and methods for collection and removal of particulate matter, including fine particulate matter, from a gas stream, comprising a unique combination of high collection efficiency and ultralow pressure drop across the filter. The apparatus and method utilize simultaneous electrostatic precipitation and membrane filtration of a particular pore size, wherein electrostatic collection and filtration occur on the same surface.

Miller, Stanley J. (Grand Forks, ND); Zhuang, Ye (Grand Forks, ND); Almlie, Jay C. (East Grand Forks, MN)

2012-01-10T23:59:59.000Z

Note: This page contains sample records for the topic "organic matter content" 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

Pressure inequalities for nuclear and neutron matter  

E-Print Network [OSTI]

We prove several inequalities using lowest-order effective field theory for nucleons which give an upper bound on the pressure of asymmetric nuclear matter and neutron matter. We prove two types of inequalities, one based on convexity and another derived from shifting an auxiliary field.

Dean Lee

2005-12-22T23:59:59.000Z

382

New Directions in Direct Dark Matter Searches  

E-Print Network [OSTI]

I present the status of direct dark matter detection with specific attention to the experimental results and their phenomenological interpretation in terms of dark matter interactions. In particular I review a new and more general approach to study signals in this field based on non-relativistic operators which parametrize more efficiently the dark matter-nucleus interactions in terms of a very limited number of relevant degrees of freedom. Then I list the major experimental results, pointing out the main uncertainties that affect the theoretical interpretation of the data. Finally, since the underlying theory that describes both the dark matter and the standard model fields is unknown, I address the uncertainties coming from the nature of the interaction. In particular, the phenomenology of a class of models in which the interaction between dark matter particles and target nuclei is of a long-range type is discussed.

Paolo Panci

2014-02-06T23:59:59.000Z

383

Dark Matter And The Habitability of Planets  

E-Print Network [OSTI]

In many models, dark matter particles can elastically scatter with nuclei in planets, causing those particles to become gravitationally bound. While the energy expected to be released through the subsequent annihilations of dark matter particles in the interior of the Earth is negligibly small (a few megawatts in the most optimistic models), larger planets that reside in regions with higher densities of slow moving dark matter could plausibly capture and annihilate dark matter at a rate high enough to maintain liquid water on their surfaces, even in the absence of additional energy from starlight or other sources. On these rare planets, it may be dark matter rather than light from a host star that makes it possible for life to emerge, evolve, and survive.

Hooper, Dan

2011-01-01T23:59:59.000Z

384

Dark Matter And The Habitability of Planets  

E-Print Network [OSTI]

In many models, dark matter particles can elastically scatter with nuclei in planets, causing those particles to become gravitationally bound. While the energy expected to be released through the subsequent annihilations of dark matter particles in the interior of the Earth is negligibly small (a few megawatts in the most optimistic models), larger planets that reside in regions with higher densities of slow moving dark matter could plausibly capture and annihilate dark matter at a rate high enough to maintain liquid water on their surfaces, even in the absence of additional energy from starlight or other sources. On these rare planets, it may be dark matter rather than light from a host star that makes it possible for life to emerge, evolve, and survive.

Dan Hooper; Jason H. Steffen

2012-03-06T23:59:59.000Z

385

Standard Format and Content for Emergency Plans  

Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]

This volume addresses recommended emergency plan format and content for Operational Emergency Base Programs and Operational Emergency Hazardous Material Programs. Canceled by DOE G 151.1-3.

1997-08-21T23:59:59.000Z

386

Training Program Content, 4/10/95  

Broader source: Energy.gov [DOE]

The objective of this surveillance is to evaluate the effectiveness of the contractor's program for establishing the content of training programs.  The process to be evaluated includes (1)...

387

TABLE OF CONTENTS NIST Map ...................................................................................................................................................3  

E-Print Network [OSTI]

TABLE OF CONTENTS NIST Map the Power Grid PML TIME SPEAKER UNIVERSITY TITLE LAB 3:00P Brian Weinstein American University Temperature

388

,"Colorado Heat Content of Natural Gas Consumed"  

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

Name","Description"," Of Series","Frequency","Latest Data for" ,"Data 1","Colorado Heat Content of Natural Gas Consumed",1,"Monthly","112014","1152013" ,"Release...

389

Minimizing the sulphur content in Kraft lignin.  

E-Print Network [OSTI]

?? The aim of this project is to investigate the possibilities of minimizing the sulphur content in Kraft lignin. Kraft lignin contains about 1.5 to… (more)

Svensson, Sara

2008-01-01T23:59:59.000Z

390

White-matter abnormalities in brain during early abstinence from methamphetamine abuse  

E-Print Network [OSTI]

nuclear gray matter, and white matter of human subjects whoHC) subjects show larger white-matter volume (Thompson ethigher incidence of white-matter signal hyperintensities (

Tobias, Marc C.; O’Neill, Joseph; Hudkins, Matthew; Bartzokis, George; Dean, Andrew C.; London, Edythe D.

2010-01-01T23:59:59.000Z

391

Phase Transition from QMC Hyperonic Matter to Deconfined Quark Matter  

SciTech Connect (OSTI)

We investigate the possibility and consequences of phase transitions from an equation of state (EoS) describing nucleons and hyperons interacting via mean-fields of sigma, omega, and rho mesons in the recently improved Quark-Meson Coupling (QMC) model to an EoS describing a Fermi gas of quarks in an MIT bag. The transition to a mixed phase of baryons and deconfined quarks, and subsequently to a pure deconfined quark phase is described using the method of Glendenning. The overall EoS for the three phases is calculated for various scenarios and these are used to calculate stellar solutions using the Tolman-Oppenheimer-Volkoff equations. The results are compared to recent experimental data and the validity of each case is discussed with consequences for determining the species content of the interior of neutron stars.

Carroll, Jonathan; Leinweber, Derek; Thomas, Anthony; Williams, Anthony

2008-01-01T23:59:59.000Z

392

Organic Mathematics: Then and Now Jonathan M. Borwein  

E-Print Network [OSTI]

of the main goals of the project was to achieve a more meaningful integration of the technologies was to confront Pablo Pi- casso's Luddite assertion "Computers are useless they can only give you answers." We saw://www.cecm.sfu.ca/organics/contents.html. 1 #12;"Computers are useless they can only give you answers." The project culminated

Borwein, Jonathan

393

Detecting the invisible universe with neutrinos and dark matter  

E-Print Network [OSTI]

Recent work in astrophysics has show that most of the matter in the universe is non-luminous. This work investigates two searches for non-luminous matter: hot dark matter formed from cosmic relic neutrinos from the Big ...

Kaboth, Asher C. (Asher Cunningham)

2012-01-01T23:59:59.000Z

394

Organic vapor jet printing system  

DOE Patents [OSTI]

An organic vapor jet printing system includes a pump for increasing the pressure of an organic flux.

Forrest, Stephen R

2012-10-23T23:59:59.000Z

395

FACULTY HANDBOOK ORGANIZATION Section 1 contains a summary of the organization and contents of the Handbook, which is divided into  

E-Print Network [OSTI]

Handbook document Department Heads and Division Directors are referred to as "Department Head(s)." 1-1 (6

396

Nitrogen Containing Organic Compounds and Oligomers in Secondary Organic Aerosol Formed by Photooxidation of Isoprene  

SciTech Connect (OSTI)

Electrospray ionization high-resolution mass spectrometry (ESI HR-MS) was used to probe molecular structures of oligomers in secondary organic aerosol (SOA) generated in laboratory experiments on isoprene photooxidation at low- and high-NOx conditions. Up to 80-90% of the observed products are oligomers and up to 33% are nitrogen-containing organic compounds (NOC). We observe oligomers with up to 8 monomer units in length. Tandem mass spectrometry (MSn) confirms NOC compounds are organic nitrates and elucidates plausible chemical building blocks contributing to oligomer formation. Most organic nitrates are comprised of methylglyceric acid units. Other important multifunctional C2-C5 monomer units are identified including methylglyoxal, hydroxyacetone, hydroxyacetic acid, glycolaldehyde, and 2-methyltetrols. The majority of the NOC oligomers contain only one nitrate moiety resulting in a low average N:C ratio of 0.019. Average O:C ratios of the detected SOA compounds are 0.54 under the low-NOx conditions and 0.83 under the high-NOx conditions. Our results underscore the importance of isoprene photooxidation as a source of NOC in organic particulate matter.

Nguyen, Tran B.; Laskin, Julia; Laskin, Alexander; Nizkorodov, Serguei

2011-07-06T23:59:59.000Z

397

Supercritical extraction of organic mixtures from soil-water slurries  

E-Print Network [OSTI]

of sand, silt, and clay tractions. Of the organic portion, roughly 1-5N is lipids, 10-2(P/o is polysaccharides, and the rest of the organic matter is composed of humic and fulvic acids which are "ill-characterized hydrophilic polymers containing..., methoxy and other ether groups, and amides and other carbonyls" (Dooley et al. , 1990), The molecular weights of humic acids can be as high as 10' and those of fulvic acids range from 500 to 1000. Humicacids are soluble in only strong bases, whereas...

Green, Lynda Ann

1994-01-01T23:59:59.000Z

398

Reduction of Transient Particulate Matter Spikes with Decision...  

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

Transient Particulate Matter Spikes with Decision Tree Based Control Reduction of Transient Particulate Matter Spikes with Decision Tree Based Control Using a non-parametric...

399

Recent Progress on Steam Hydrogasification of Carbonaceous Matter...  

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

Recent Progress on Steam Hydrogasification of Carbonaceous Matter to Clean Synthetic Diesel Fuel Recent Progress on Steam Hydrogasification of Carbonaceous Matter to Clean...

400

Dark Matter in Disc Galaxies  

E-Print Network [OSTI]

Recent work on the mass distribution in spiral galaxies, using mainly HI observations, is reviewed. The principal problem is still to determine to what extent the dark matter is important in the inner parts of a galaxy, or in other words, how dominant is the self-gravitation of the disc. Studies of the shapes of rotation curves show that in detail there is sufficient individuality in spiral galaxies to prohibit the construction of ``Universal Rotation Curves''. A detailed account is given of the method of Athanassoula et al. (1987), where swing amplifier criteria are applied to set a range in the mass-to-light ratio of the disc. To restrict this range further, other methods might be useful. For a number of bright spirals the rotation curve drops just outside the optical image, but this feature by itself cannot constrain unambiguously the mass models. The use of velocity dispersions seems a promising way, though the observational problems are hard. Within the uncertainties, discs can be close to ``maximum'', even though a range of values cannot be excluded.

A. Bosma

1998-12-01T23:59:59.000Z

Note: This page contains sample records for the topic "organic matter content" 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

The Alcubierre Warp Drive: On the Matter of Matter  

E-Print Network [OSTI]

The Alcubierre warp drive allows a spaceship to travel at an arbitrarily large global velocity by deforming the spacetime in a bubble around the spaceship. Little is known about the interactions between massive particles and the Alcubierre warp drive, or the effects of an accelerating or decelerating warp bubble. We examine geodesics representative of the paths of null and massive particles with a range of initial velocities from -c to c interacting with an Alcubierre warp bubble travelling at a range of globally subluminal and superluminal velocities on both constant and variable velocity paths. The key results for null particles match what would be expected of massive test particles as they approach +/- c. The increase in energy for massive and null particles is calculated in terms of v_s, the global ship velocity, and v_p, the initial velocity of the particle with respect to the rest frame of the origin/destination of the ship. Particles with positive v_p obtain extremely high energy and velocity and become "time locked" for the duration of their time in the bubble, experiencing very little proper time between entering and eventually leaving the bubble. When interacting with an accelerating bubble, any particles within the bubble at the time receive a velocity boost that increases or decreases the magnitude of their velocity if the particle is moving towards the front or rear of the bubble respectively. If the bubble is decelerating, the opposite effect is observed. Thus Eulerian matter is unaffected by bubble accelerations/decelerations. The magnitude of the velocity boosts scales with the magnitude of the bubble acceleration/deceleration.

Brendan McMonigal; Geraint F. Lewis; Philip O'Byrne

2012-02-26T23:59:59.000Z

402

Unbound particles in dark matter halos  

SciTech Connect (OSTI)

We investigate unbound dark matter particles in halos by tracing particle trajectories in a simulation run to the far future (a = 100). We find that the traditional sum of kinetic and potential energies is a very poor predictor of which dark matter particles will eventually become unbound from halos. We also study the mass fraction of unbound particles, which increases strongly towards the edges of halos, and decreases significantly at higher redshifts. We discuss implications for dark matter detection experiments, precision calibrations of the halo mass function, the use of baryon fractions to constrain dark energy, and searches for intergalactic supernovae.

Behroozi, Peter S.; Wechsler, Risa H. [Kavli Institute for Particle Astrophysics and Cosmology, Physics Department, Stanford University and SLAC National Accelerator Laboratory 2575 Sand Hill Road, Menlo Park, CA (United States); Loeb, Abraham, E-mail: behroozi@stanford.edu, E-mail: aloeb@cfa.harvard.edu, E-mail: rwechsler@stanford.edu [Department of Astronomy, Harvard University 60 Garden St, Cambridge, MA (United States)

2013-06-01T23:59:59.000Z

403

Clusters in nuclear matter and Mott points  

E-Print Network [OSTI]

Light clusters (mass number $A \\leq 4$) in nuclear matter at subsaturation densities are described using a quantum statistical approach. In addition to self-energy and Pauli-blocking, effects of continuum correlations are taken into account to calculate the quasiparticle properties and abundances of light elements. Medium-modified quasiparticle properties are important ingredients to derive a nuclear matter equation of state applicable in the entire region of warm dense matter below saturation density. The influence of the nucleon-nucleon interaction on the quasiparticle shift is discussed.

G. Röpke

2015-01-06T23:59:59.000Z

404

Isotropic cosmological singularities: other matter models  

E-Print Network [OSTI]

Isotropic cosmological singularities are singularities which can be removed by rescaling the metric. In some cases already studied (gr-qc/9903008, gr-qc/9903009, gr-qc/9903018) existence and uniqueness of cosmological models with data at the singularity has been established. These were cosmologies with, as source, either perfect fluids with linear equations of state or massless, collisionless particles. In this article we consider how to extend these results to a variety of other matter models. These are scalar fields, massive collisionless matter, the Yang-Mills plasma of Choquet-Bruhat, or matter satisfying the Einstein-Boltzmann equation.

K. P. Tod

2002-09-20T23:59:59.000Z

405

The Bright Side of Dark Matter  

E-Print Network [OSTI]

We show that it is not possible in the absence of dark matter to construct a four-dimensional metric that explains galactic observations. In particular, by working with an effective potential it is shown that a metric which is constructed to fit flat rotation curves in spiral galaxies leads to the wrong sign for the bending of light i.e. repulsion instead of attraction. Hence, without dark matter the motion of particles on galactic scales cannot be explained in terms of geodesic motion on a four- dimensional metric. This reveals a new bright side to dark matter: it is indispensable if we wish to retain the cherished equivalence principle.

A. Edery

1999-05-27T23:59:59.000Z

406

Clusters in nuclear matter and Mott points  

E-Print Network [OSTI]

Light clusters (mass number $A \\leq 4$) in nuclear matter at subsaturation densities are described using a quantum statistical approach. In addition to self-energy and Pauli-blocking, effects of continuum correlations are taken into account to calculate the quasiparticle properties and abundances of light elements. Medium-modified quasiparticle properties are important ingredients to derive a nuclear matter equation of state applicable in the entire region of warm dense matter below saturation density. The influence of the nucleon-nucleon interaction on the quasiparticle shift is discussed.

Röpke, G

2015-01-01T23:59:59.000Z

407

Organic-rich sediments in ventilated deep-sea environments: Relationship to climate, sea level, and trophic changes  

E-Print Network [OSTI]

Organic-rich sediments in ventilated deep-sea environments: Relationship to climate, sea level. [1] Sediments on the Namibian Margin in the SE Atlantic between water depths of $1000 and $3600 m are highly enriched in hydrocarbon-prone organic matter. Such sedimentation has occurred for more than 2

Boyer, Edmond

408

ISOTOPICALLY ANOMALOUS ORGANIC GLOBULES FROM COMET 81P/WILD 2. B. T. De Grego-, R. M. Stroud1  

E-Print Network [OSTI]

. Organic matter is present in several particles from comet 81P/Wild 2 captured in silica aerogel) were S-embedded, ultramicrotomed, and placed on SiO-coated Cu TEM grids (Track 2 sections prepared by K (CIW). Results: Each organic globule is near aerogel from the Stardust sample collector, and both

Nittler, Larry R.

409

Organic tanks safety program FY95 waste aging studies  

SciTech Connect (OSTI)

This report gives the second year`s findings of a study of how thermal and radiological processes may change the composition of organic compounds in the underground tanks at Hanford. Efforts were focused on the global reaction kinetics in a simulated waste exposed to {gamma} rays and the reactions of organic radicals with nitrite ion. The gas production is predominantly radiolytic. Decarboxylation of carboxylates is probably an aging pathway. TBP was totaly consumed in almost every run. Radiation clearly accelerated consumption of the other compounds. EDTA is more reactive than citrate. Oximes and possibly organic nitro compounds are key intermediates in the radiolytic redox reactions of organic compounds with nitrate/nitrite. Observations are consistent with organic compounds being progressively degraded to compounds with greater numbers of C-O bonds and fewer C-H and C-C bonds, resulting in an overall lower energy content. If the radwaste tanks are adequately ventilated and continually dosed by radioactivity, their total energy content should have declined. Level of risk depends on how rapidly carboxylate salts of moderate energy content (including EDTA fragments) degrade to low energy oxalate and formate.

Camaioni, D.M.; Samuels, W.D.; Clauss, S.A.; Lenihan, B.D.; Wahl, K.L.; Campbell, J.A.; Shaw, W.J.

1995-09-01T23:59:59.000Z

410

Worldwide organic soil carbon and nitrogen data  

SciTech Connect (OSTI)

The objective of the research presented in this package was to identify data that could be used to estimate the size of the soil organic carbon pool under relatively undisturbed soil conditions. A subset of the data can be used to estimate amounts of soil carbon storage at equilibrium with natural soil-forming factors. The magnitude of soil properties so defined is a resulting nonequilibrium values for carbon storage. Variation in these values is due to differences in local and geographic soil-forming factors. Therefore, information is included on location, soil nitrogen content, climate, and vegetation along with carbon density and variation.

Zinke, P.J.; Stangenberger, A.G. [Univ. of California, Berkeley, CA (United States). Dept. of Forestry and Resource Management; Post, W.M.; Emanual, W.R.; Olson, J.S. [Oak Ridge National Lab., TN (United States)

1986-09-01T23:59:59.000Z

411

Advanced organic analysis and analytical methods development: FY 1995 progress report. Waste Tank Organic Safety Program  

SciTech Connect (OSTI)

This report describes the work performed during FY 1995 by Pacific Northwest Laboratory in developing and optimizing analysis techniques for identifying organics present in Hanford waste tanks. The main focus was to provide a means for rapidly obtaining the most useful information concerning the organics present in tank waste, with minimal sample handling and with minimal waste generation. One major focus has been to optimize analytical methods for organic speciation. Select methods, such as atmospheric pressure chemical ionization mass spectrometry and matrix-assisted laser desorption/ionization mass spectrometry, were developed to increase the speciation capabilities, while minimizing sample handling. A capillary electrophoresis method was developed to improve separation capabilities while minimizing additional waste generation. In addition, considerable emphasis has been placed on developing a rapid screening tool, based on Raman and infrared spectroscopy, for determining organic functional group content when complete organic speciation is not required. This capability would allow for a cost-effective means to screen the waste tanks to identify tanks that require more specialized and complete organic speciation to determine tank safety.

Wahl, K.L.; Campbell, J.A.; Clauss, S.A. [and others

1995-09-01T23:59:59.000Z

412

Organic Separation Test Results  

SciTech Connect (OSTI)

Separable organics have been defined as “those organic compounds of very limited solubility in the bulk waste and that can form a separate liquid phase or layer” (Smalley and Nguyen 2013), and result from three main solvent extraction processes: U Plant Uranium Recovery Process, B Plant Waste Fractionation Process, and Plutonium Uranium Extraction (PUREX) Process. The primary organic solvents associated with tank solids are TBP, D2EHPA, and NPH. There is concern that, while this organic material is bound to the sludge particles as it is stored in the tanks, waste feed delivery activities, specifically transfer pump and mixer pump operations, could cause the organics to form a separated layer in the tank farms feed tank. Therefore, Washington River Protection Solutions (WRPS) is experimentally evaluating the potential of organic solvents separating from the tank solids (sludge) during waste feed delivery activities, specifically the waste mixing and transfer processes. Given the Hanford Tank Waste Treatment and Immobilization Plant (WTP) waste acceptance criteria per the Waste Feed Acceptance Criteria document (24590-WTP-RPT-MGT-11-014) that there is to be “no visible layer” of separable organics in the waste feed, this would result in the batch being unacceptable to transfer to WTP. This study is of particular importance to WRPS because of these WTP requirements.

Russell, Renee L.; Rinehart, Donald E.; Peterson, Reid A.

2014-09-22T23:59:59.000Z

413

Provides overall leadership for and management of the University's human resources strategy. Responsible for planning, organizing, directing, implementing, and administering human resources strategy, policies and  

E-Print Network [OSTI]

Provides overall leadership for and management of the University's human resources strategy. Responsible for planning, organizing, directing, implementing, and administering human resources strategy resource matters; collaborates with senior leaders to build a performance based culture that emphasizes

Dasgupta, Dipankar

414

From Photons to Atoms - The Electromagnetic Nature of Matter  

E-Print Network [OSTI]

Motivated by a revision of the classical equations of electromagnetism that allow for the inclusion of solitary waves in the solution space, the material collected in these notes examine the consequences of adopting the modified model in the description of atomic structures. The possibility of handling "photons" in a deterministic way opens indeed a chance for reviewing the foundations of quantum physics. Atoms and molecules are described as aggregations of nuclei and electrons joined through organized photon layers resonating at various frequencies, explaining how matter can absorb or emit light quanta. Some established viewpoints are subverted, offering an alternative scenario. The analysis seeks to provide an answer to many technical problems in physical chemistry and, at the same time, to raise epistemological questions.

Daniele Funaro

2012-05-07T23:59:59.000Z

415

Condensed Matter Theory Center Wednesday, January 4  

E-Print Network [OSTI]

Condensed Matter Theory Center Seminar Wednesday, January 4 11:00am-12:00pm 2205 Physics Building) methods may be used to address such a problem by calculating both global (condensate fraction, superfluid

Lathrop, Daniel P.

416

Coherent neutrino scattering in dark matter detectors  

E-Print Network [OSTI]

Coherent elastic neutrino-nucleus and weakly interacting massive particle-nucleus interaction signatures are expected to be quite similar. This paper discusses how a next-generation ton-scale dark matter detector could ...

Anderson, Alexander John

417

Cortical white matter: beyond the pale  

E-Print Network [OSTI]

The tracts within the subcortical white matter and corpus callosum provide an anatomical connectivity that is essential for normal cognitive functioning. These structures are predominantly made up of axons that are myelinated ...

Rockland, Kathleen

418

Antigravitation, Dark Energy, Dark Matter - Alternative Solution  

E-Print Network [OSTI]

Collisional damping of gravitational waves in the Newtonian matter is investigated. The generalized theory of Landau damping is applied to the gravitational physical systems in the context of the plasma gravitational analogy.

Boris V. Alexeev

2009-09-04T23:59:59.000Z

419

Manual for Classified Matter Protection and Control  

Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]

Provides detailed requirements for the protection and control of classified matter which supplement DOE O 471.2A. Cancels DOE M 471.2-1 dated 09/26/1995.

1998-01-09T23:59:59.000Z

420

Investigation of Direct Injection Vehicle Particulate Matter...  

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

Emissions This study focuses primarily on particulate matter mass analysis of a gasoline direct injection engine in a test cell with a chassis dynamometer. p-10gibbs.pdf...

Note: This page contains sample records for the topic "organic matter content" 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

Dark Matter Searches with Representing the  

E-Print Network [OSTI]

· Supernova Remnants · Unidentified Gamma-ray Sources · Gamma-Ray Bursts · Solar Physics · Dark Matter #12)United States · California State University at Sonoma (SSU) · University of California at Santa Cruz - Santa

California at Santa Cruz, University of

422

Can Dark Matter Decay in Dark Energy?  

E-Print Network [OSTI]

We analyze the interaction between Dark Energy and Dark Matter from a thermodynamical perspective. By assuming they have different temperatures, we study the possibility of occurring a decay from Dark Matter into Dark Energy, characterized by a negative parameter $Q$. We find that, if at least one of the fluids has non vanishing chemical potential, for instance $\\mu_x0$, the decay is possible, where $\\mu_x$ and $\\mu_{dm}$ are the chemical potentials of Dark Energy and Dark Matter, respectively. Using recent cosmological data, we find that, for a fairly simple interaction, the Dark Matter decay is favored with a probability of $\\sim 93%$ over the Dark Energy decay. This result comes from a likelihood analysis where only background evolution has been considered.

S. H. Pereira; J. F. Jesus

2009-02-26T23:59:59.000Z

423

Neutron Matter from Low to High Density  

E-Print Network [OSTI]

Neutron matter is an intriguing nuclear system with multiple connections to other areas of physics. Considerable progress has been made over the last two decades in exploring the properties of pure neutron fluids. Here we begin by reviewing work done to explore the behavior of very low density neutron matter, which forms a strongly paired superfluid and is thus similar to cold Fermi atoms, though at energy scales differing by many orders of magnitude. We then increase the density, discussing work that ties the study of neutron matter with the determination of the properties of neutron-rich nuclei and neutron-star crusts. After this, we review the impact neutron matter at even higher densities has on the mass-radius relation of neutron stars, thereby making contact with astrophysical observations.

Gandolfi, Stefano; Carlson, J

2015-01-01T23:59:59.000Z

424

Superheavy sterile neutrinos as dark matter  

E-Print Network [OSTI]

Chung, Kolb, and Riotto have proposed nonthermal mechanisms for the production of superheavy dark matter, consisting of particles with masses which may range up to the GUT scale. Shi and Fuller, on the other hand, have proposed much lighter sterile...

Tang, Yongjun

2000-01-01T23:59:59.000Z

425

Departmental Organization Management System  

Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]

Public Law 95-91, 42 United States Code 7101, Department of Energy Organization Act, Section 642 gives to the Secretary of the Department of Energy the responsibility to approve organization changes affecting the number, designation, or mission of Departmental Elements and to approve the addition, deletion, or transfer of missions and/or functions of or between Departmental Elements. In order to streamline the organizational change process, the Secretary has delegate to the Heads of Departmental Headquarters and Field Elements the authority to approve organization changes. No cancellations.

1996-08-27T23:59:59.000Z

426

Quantification of soil organic carbon using mid- and near- DRIFT spectroscopy  

E-Print Network [OSTI]

(X) and soil property data (Y) into a new smaller set of latent variables and their scores that best describe all the variance in the data. Oxidizable organic carbon content was measured by a modified Walkley-Black method, and total organic carbon...

Kang, Misun

2004-09-30T23:59:59.000Z

427

Magnetism and superconductivity in quark matter  

E-Print Network [OSTI]

Magnetic properties of quark matter and its relation to the microscopic origin of the magnetic field observed in compact stars are studied. Spontaneous spin polarization appears in high-density region due to the Fock exchange term, which may provide a scenario for the behaviors of magnetars. On the other hand, quark matter becomes unstable to form spin density wave in the moderate density region, where restoration of chiral symmetry plays an important role. Coexistence of magnetism and color superconductivity is also discussed.

T. Tatsumi; E. Nakano; K. Nawa

2005-06-01T23:59:59.000Z

428

From nuclear matter to Neutron Stars  

E-Print Network [OSTI]

Neutron stars are the most dense objects in the observable Universe and conventionally one uses nuclear theory to obtain the equation of state (EOS) of dense hadronic matter and the global properties of these stars. In this work, we review various aspects of nuclear matter within an effective Chiral model and interlink fundamental quantities both from nuclear saturation as well as vacuum properties and correlate it with the star properties.

T. K. Jha

2009-02-02T23:59:59.000Z

429

Cosmology with a stiff matter era  

E-Print Network [OSTI]

We provide a simple analytical solution of the Friedmann equations for a universe made of stiff matter, dust matter, and dark energy. A stiff matter era is present in the cosmological model of Zel'dovich (1972) where the primordial universe is assumed to be made of a cold gas of baryons. It also occurs in certain cosmological models where dark matter is made of relativistic self-gravitating Bose-Einstein condensates (BECs). When the energy density of the stiff matter is positive, the primordial universe is singular. It starts from a state with a vanishing scale factor and an infinite density. We consider the possibility that the energy density of the stiff matter is negative (anti-stiff matter). This happens, for example, when the BECs have an attractive self-interaction. In that case, the primordial universe is non-singular. It starts from a state in which the scale factor is finite and the energy density is equal to zero. For the sake of generality, we consider a cosmological constant of arbitrary sign. When the cosmological constant is positive, the universe asymptotically reaches a de Sitter phase where the scale factor increases exponentially rapidly. This can account for the accelerating expansion of the universe that we observe at present. When the cosmological constant is negative (anti-de Sitter), the evolution of the universe is cyclic. Therefore, depending on the sign of the energy density of the stiff matter and of the dark energy, we obtain singular and non-singular expanding or cyclic universes.

Pierre-Henri Chavanis

2014-11-27T23:59:59.000Z

430

{\\Lambda}CDM cosmology from matter only  

E-Print Network [OSTI]

I discuss a matter-only interpretation of {\\Lambda}CDM cosmology, based on conservation of energy and assuming a Machian definition of inertia. {\\Lambda}CDM cosmology can be linked to a Newtonian cosmic potential, subject to a propagating gravitational horizon. In a matter-only universe where total energy is conserved, Machian inertia related to the evolving potential may cause both deceleration and acceleration of recession.

Telkamp, Herman

2015-01-01T23:59:59.000Z

431

The soil organic matter dynamic by using different compost organic manure in a vegetable system in North China  

E-Print Network [OSTI]

to cattle manure compost and biogas residue compost. Higherafter crop harvest in biogas residue compost treatment.2) cattle compost, 3) biogas residue, 4) control, no

Sun, Qinping; Li, Jijin; Liu, Bensheng; Zou, Guoyuan; Liu, Baocun

2009-01-01T23:59:59.000Z

432

Organic Photovoltaics Research  

Broader source: Energy.gov [DOE]

DOE funds research and development projects related to organic photovoltaics (OPV) due to the unique benefits it offers. Below are a list of the projects, summary of the benefits, and discussion on...

433

Organization | Department of Energy  

Energy Savers [EERE]

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankCombustion |Energy UsageAUDITVehicles »Exchange VisitorsforDepartment ofNoOrganization Organization View

434

Organic contaminant separator  

DOE Patents [OSTI]

A process is presented of sample preparation prior to analysis for the concentration of an organic contaminant in an aqueous medium by (a) passing an initial aqueous medium including a minor amount of the organic contaminant through a composite tube comprised of a blend of a polyolefin and a polyester, the composite tube having an internal diameter of from about 0.1 to about 2.0 millimeters and being of sufficient length to permit the organic contaminant to adhere to the composite tube, (b) passing a solvent through the composite tube. The solvent is capable of separating the adhered organic contaminant from the composite tube. Further, an extraction apparatus is presented for sample preparation prior to analysis for the concentration of an organic contaminant in an aqueous medium. The apparatus includes a composite tube comprised of a blend of a polyolefin and a polyester. The composite tube has an internal diameter of from about 0.1 to about 2.0 millimeters and has sufficient length to permit an organic contaminant contained within an aqueous medium passed therethrough to adhere to the composite tube. 2 figures.

Del Mar, P.

1993-12-28T23:59:59.000Z

435

Matter Power Spectrum for the Generalized Chaplygin Gas Model: The Newtonian Approach  

E-Print Network [OSTI]

We model the cosmic medium as the mixture of a generalized Chaplygin gas and a pressureless matter component. Within a neo-Newtonian approach (in which, different from standard Newtonian cosmology, the pressure enters the homogeneous and isotropic background dynamics) we compute the matter power spectrum. The 2dFGRS data are used to discriminate between unified models of the dark sector (a purely baryonic matter component of roughly 5 percent of the total energy content and roughly 95 percent generalized Chaplygin gas) and different models, for which there is separate dark matter, in addition to that accounted for by the generalized Chaplygin gas. Leaving the corresponding density parameters free, we find that the unified models are strongly disfavored. On the other hand, using unified model priors, the observational data are also well described, in particular for small and large values of the generalized Chaplygin gas parameter $\\alpha$. The latter result is in agreement with a recent, more qualitative but fully relativistic, perturbation analysis in Gorini et al.

J. C. Fabris; S. V. B. Goncalves; H. E. S. Velten; W. Zimdahl

2008-10-23T23:59:59.000Z

436

Organic Tanks Safety Program: Waste aging studies  

SciTech Connect (OSTI)

The underground storage tanks at the Hanford Complex contain wastes generated from many years of plutonium production and recovery processes, and mixed wastes from radiological degradation processes. The chemical changes of the organic materials used in the extraction processes have a direct on several specific safety issues, including potential energy releases from these tanks. This report details the first year`s findings of a study charged with determining how thermal and radiological processes may change the composition of organic compounds disposed to the tank. Their approach relies on literature precedent, experiments with simulated waste, and studies of model reactions. During the past year, efforts have focused on the global reaction kinetics of a simulated waste exposed to {gamma} radiation, the reactions of organic radicals with nitrite ion, and the decomposition reactions of nitro compounds. In experiments with an organic tank non-radioactive simulant, the authors found that gas production is predominantly radiolytically induced. Concurrent with gas generation they observe the disappearance of EDTA, TBP, DBP and hexone. In the absence of radiolysis, the TBP readily saponifies in the basic medium, but decomposition of the other compounds required radiolysis. Key organic intermediates in the model are C-N bonded compounds such as oximes. As discussed in the report, oximes and nitro compounds decompose in strong base to yield aldehydes, ketones and carboxylic acids (from nitriles). Certain aldehydes can react in the absence of radiolysis to form H{sub 2}. Thus, if the pathways are correct, then organic compounds reacting via these pathways are oxidizing to lower energy content. 75 refs.

Camaioni, D.M.; Samuels, W.D.; Lenihan, B.D.; Clauss, S.A.; Wahl, K.L.; Campbell, J.A.

1994-11-01T23:59:59.000Z

437

Table of Contents Producing Hydrogen................1  

E-Print Network [OSTI]

. It can store the energy from diverse domestic resources (including clean coal, nuclear renewable resources, nuclear energy, and coal with carbon capture and storage. 1 #12;Potential for clean1 #12;Table of Contents Producing Hydrogen................1 Hydrogen Production Technologies

438

Milk dispenser for variable fat content  

E-Print Network [OSTI]

This thesis describes the development of a new milk dispenser product that is designed to dispense milk with varying levels of milk fat content. The product contains two tanks of milk, one containing skim and one containing ...

Henion, Julie E

2011-01-01T23:59:59.000Z

439

Table of Contents Resilient Sustainable Communities  

E-Print Network [OSTI]

..................................... 5 Onondaga County: Sustainable Development Plan....................... 9 Comparison of the Hazard Mitigation Plan and Onondaga County Sustainable Development Plan DraftTable of Contents Resilient Sustainable Communities: Integrating Hazard Mitigation & Sustainability

440

ii Colorado Climate Table of Contents  

E-Print Network [OSTI]

#12;ii Colorado Climate Table of Contents Web: http://climate.atmos.colostate.edu Colorado Climate Spring 2002 Vol. 3, No. 2 Lightning in Colorado . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 Colorado Climate in Review

Note: This page contains sample records for the topic "organic matter content" 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

Remote-Handled Transuranic Content Codes  

SciTech Connect (OSTI)

The Remote-Handled Transuranic (RH-TRU) Content Codes (RH-TRUCON) document representsthe development of a uniform content code system for RH-TRU waste to be transported in the 72-Bcask. It will be used to convert existing waste form numbers, content codes, and site-specificidentification codes into a system that is uniform across the U.S. Department of Energy (DOE) sites.The existing waste codes at the sites can be grouped under uniform content codes without any lossof waste characterization information. The RH-TRUCON document provides an all-encompassing|description for each content code and compiles this information for all DOE sites. Compliance withwaste generation, processing, and certification procedures at the sites (outlined in this document foreach content code) ensures that prohibited waste forms are not present in the waste. The contentcode gives an overall description of the RH-TRU waste material in terms of processes and|packaging, as well as the generation location. This helps to provide cradle-to-grave traceability ofthe waste material so that the various actions required to assess its qualification as payload for the72-B cask can be performed. The content codes also impose restrictions and requirements on themanner in which a payload can be assembled.The RH-TRU Waste Authorized Methods for Payload Control (RH-TRAMPAC), Appendix 1.3.7of the 72-B Cask Safety Analysis Report (SAR), describes the current governing procedures|applicable for the qualification of waste as payload for the 72-B cask. The logic for this|classification is presented in the 72-B Cask SAR. Together, these documents (RH-TRUCON,|RH-TRAMPAC, and relevant sections of the 72-B Cask SAR) present the foundation and|justification for classifying RH-TRU waste into content codes. Only content codes described in thisdocument can be considered for transport in the 72-B cask. Revisions to this document will be madeas additional waste qualifies for transport. |Each content code uniquely identifies the generated waste and provides a system for tracking theprocess and packaging history. Each content code begins with a two-letter site abbreviation thatindicates the shipper of the RH-TRU waste. The site-specific letter designations for each of the|DOE sites are provided in Table 1. Not all of the sites listed in Table 1 have generated/stored RH-|TRU waste.

Washington TRU Solutions

2001-08-01T23:59:59.000Z

442

Search for pseudoscalar cold dark matter  

SciTech Connect (OSTI)

AH dynamical evidence points to the conclusion that the predominant form of matter in the universe is in a non-luminous form. Furthermore, large scale deviations from uniform Hubble flow, and the recent COBE reports of inhomogeneities in the cosmic microwave background strongly suggest that we live in an exactly closed universe. If this is true, then ordinary baryonic matter could only be a minority component (10% at most) of the missing mass, and that what constitutes the majority of the dark matter must involve new physics. The axion is one of very few well motivated candidates which may comprise the dark matter. Additionally it is a `cold` dark-matter candidate which is preferred by the COBE data. We propose to construct and operate an experiment to search for axions which may constitute the dark matter of our own galaxy. As proposed by Sikivie, dark-matter axions may be detected by their stimulated conversion into monochromatic microwave photons in a tunable high-Q cavity inside a strong magnetic field. Our ability to mount an experiment quickly and take data within one year is due to a confluence of three factors. The first is the availability of a compact high field superconducting magnet and a local industrial partner, Wang NMR, who can make a very thermally efficient and economical cryostat for it. The second is an ongoing joint venture with the Institute for Nuclear Research of the Russian Academy of Sciences to do R&D on metalized precision-formed ceramic microwave cavities for the axion search, and INR has commited to providing all the microwave cavity arrays for this experiment, should this proposal be approved. The third is a commitment of very substantial startup capital monies from MIT for all of the state-of-the-art ultra-low noise microwave electronics, to one of our outstanding young collaborators who is joining their faculty.

van Bibber, K.; Stoeffl, W.; LLNL Collaborators

1992-05-29T23:59:59.000Z

443

Past and present of nuclear matter  

SciTech Connect (OSTI)

The subject of nuclear matter is interesting for many fields of physics ranging from condensed matter to lattice QCD. Knowing its properties is important for our understanding of neutron stars, supernovae and cosmology. Experimentally, we have the most precise information on ground state nuclear matter from the mass formula and from the systematics of monopole vibrations. This gives us the ground state density, binding energy and the compression modulus k at ground state density. However, those methods can not be extended towards the regime we are most interested in, the regime of high density and high temperature. Additional information can be obtained from the observation of neutron stars and of supernova explosions. In both cases information is limited by the rare events that nature provides for us. High energy heavy ion collisions, on the other hand, allow us to perform controlled experiments in the laboratory. For a very short period in time we can create a system that lets us study nuclear matter properties. Density and temperature of the system depend on the mass of the colliding nuclei, on their energy and on the impact parameter. The system created in nuclear collisions has at best about 200 constituents not even close to infinite nuclear matter, and it lasts only for collision times of {approx} 10{sup {minus}22}sec, not an ideal condition for establishing any kind of equilibrium. Extended size and thermal and chemical equilibrium, however, axe a priori conditions of nuclear matter. As a consequence we need realistic models that describe the collision dynamics and non-equilibrium effects in order to relate experimental observables to properties of nuclear matter. The study of high energy nuclear collisions started at the Bevalac. I will try to summarize the results from the Bevalac studies, the highlights of the continuing program, and extension to higher energies without claiming to be complete.

Ritter, H.G.

1994-05-01T23:59:59.000Z

444

TABLE OF CONTENTS University Calendar ..............................4  

E-Print Network [OSTI]

, or Distribution of Illicit Drugs and Alcohol.......... 12 Standards of Conduct......................................13 University History............................................. 13 University Organization............................................... 21 International Programs.......................23 International Commitment

Hull, Elaine

445

POLICIES&INFORMATION TABLE OF CONTENTS  

E-Print Network [OSTI]

.................................... 12 Standards of Conduct ............................ 12 Risks Associated with the Use of Illicit ............................... 13 University History .................................... 13 University Organization ...................................... 21 International Programs .................23 International Commitment ........................ 23

Hull, Elaine

446

POLICIES&INFORMATION TABLE OF CONTENTS  

E-Print Network [OSTI]

on the Unlawful Possession, Use, or Distribution of Illicit Drugs and Alcohol .................... 12 Standards University Organization .......................... 14 Panama City Campus ........................... 14 ..................................... 21 International Programs ............... 23 International Commitment ...................... 23

Hull, Elaine

447

Removal of organic and inorganic sulfur from Ohio coal by combined physical and chemical process. Final report  

SciTech Connect (OSTI)

This project consisted of three sections. In the first part, the physical cleaning of Ohio coal by selective flocculation of ultrafine slurry was considered. In the second part, the mild oxidation process for removal of pyritic and organic sulfur.was investigated. Finally, in-the third part, the combined effects of these processes were studied. The physical cleaning and desulfurization of Ohio coal was achieved using selective flocculation of ultrafine coal slurry in conjunction with froth flotation as flocs separation method. The finely disseminated pyrite particles in Ohio coals, in particular Pittsburgh No.8 seam, make it necessary to use ultrafine ({minus}500 mesh) grinding to liberate the pyrite particles. Experiments were performed to identify the ``optimum`` operating conditions for selective flocculation process. The results indicated that the use of a totally hydrophobic flocculant (FR-7A) yielded the lowest levels of mineral matters and total sulfur contents. The use of a selective dispersant (PAAX) increased the rejection of pyritic sulfur further. In addition, different methods of floc separation techniques were tested. It was found that froth flotation system was the most efficient method for separation of small coal flocs.

Attia, Y.A.; Zeky, M.El.; Lei, W.W.; Bavarian, F.; Yu, S. [Ohio State Univ., Columbus, OH (United States). Dept. of Materials Science and Engineering

1989-04-28T23:59:59.000Z

448

Working Group Report: Dark Matter Complementarity (Dark Matter in the Coming Decade: Complementary Paths to Discovery and Beyond)  

SciTech Connect (OSTI)

In this Report we discuss the four complementary searches for the identity of dark matter: direct detection experiments that look for dark matter interacting in the lab, indirect detection experiments that connect lab signals to dark matter in our own and other galaxies, collider experiments that elucidate the particle properties of dark matter, and astrophysical probes sensitive to non-gravitational interactions of dark matter. The complementarity among the different dark matter searches is discussed qualitatively and illustrated quantitatively in several theoretical scenarios. Our primary conclusion is that the diversity of possible dark matter candidates requires a balanced program based on all four of those approaches.

Arrenberg, Sebastian; et al.,

2013-10-31T23:59:59.000Z

449

Organic Tanks Safety Program: Advanced organic analysis FY 1996 progress report  

SciTech Connect (OSTI)

Major focus during the first part of FY96 was to evaluate using organic functional group concentrations to screen for energetics. Fourier transform infrared and Raman spectroscopy would be useful screening tools for determining C-H and COO- organic content in tank wastes analyzed in a hot cell. These techniques would be used for identifying tanks of potential safety concern that may require further analysis. Samples from Tanks 241-C-106 and -C-204 were analyzed; the major organic in C-106 was B2EHPA and in C-204 was TBP. Analyses of simulated wastes were also performed for the Waste Aging Studies Task; organics formed as a result of degradation were identified, and the original starting components were monitored quantitatively. Sample analysis is not routine and required considerable methods adaptation and optimization. Several techniques have been evaluated for directly analyzing chelator and chelator fragments in tank wastes: matrix-assisted laser desorption/ionization time-of-flight mass spectrometry and liquid chromatography with ultraviolet detection using Cu complexation. Although not directly funded by the Tanks Safety Program, the success of these techniques have implications for both the Flammable Gas and Organic Tanks Safety Programs.

NONE

1996-09-01T23:59:59.000Z

450

The metabolic basis of whole-organism RNA and phosphorus content  

E-Print Network [OSTI]

Fe Institute, 1399 Hyde Park Road, Santa Fe, NM 87501; Department of Zoology and Physiology-1501; **Theoretical Division T8 MS B285 and Bioscience Division B4 MS J585, Los Alamos National Laboratory, Los Alamos

Brown, James H.

451

Direct Photolysis of Pinene Ozonolysis Secondary Organic Aerosol: Effect on Particle Mass and Peroxide Content  

E-Print Network [OSTI]

, University of California, Irvine, California 92697, United States *S Supporting Information ABSTRACT: Primary an atmospheric photolysis lifetime of about 6 days at a 24-h average solar zenith angle (SZA) of 65° experienced

Nizkorodov, Sergey

452

Molecular Characterization of Organic Content of Soot along the Centerline of a Coflow Diffusion Flame  

SciTech Connect (OSTI)

High-resolution mass spectrometry coupled with nanospray desorption electrospray ionization was used to probe chemical constituents of young soot particles sampled along the centerline of a coflow diffusion flame of a three-component Jet-A1 surrogate. In lower positions where particles are transparent to light extinction (n= 632.8 nm), peri-condensed polycyclic aromatic hydrocarbons (PAHs) are found to be the major components of the particle material. These particles become enriched with aliphatic components as they grow in mass and size. Before carbonization occurs, the constituent species in young soot particles are aliphatic and aromatic compounds 200-600 amu in mass, some of which are oxygenated. Particles dominated by PAHs or mixtures of PAHs and aliphatics can both exhibit liquid-like appearance observed by electron microscopy and be transparent to visible light. The variations in chemical composition observed here indicate that the molecular processes of soot formation in coflow diffusion flames may be more complex than previously thought. For example, the mass growth and enrichment of aliphatic components in an initially, mostly aromatic structure region of the flame that is absent of H atoms or other free radicals indicates that there must exist at least another mechanism of soot mass growth in addition to the hydrogen-abstraction-carbon addition mechanism currently considered in fundamental models of soot formation.

Cain, Jeremy P.; Laskin, Alexander; Kholghy, Mohammad Reza; Thomson, Murray; Wang, Hai

2014-10-29T23:59:59.000Z

453

Survey of organic content in bottom sediments of the Houston Ship Channel  

E-Print Network [OSTI]

reference to the m thods of Baity (7), Adeney !8), and Rudolfs (9). Baity attempts to simulate actual conditions experi- enced when deposits of sewage sludge accumulate under aerobic conditions. To do this he measured the depletion in the dissolved... ious s'udge depths are shown in Table 3. Data for the first four samples are presenteo as milligrams chemical oxygen demand per liter' of sludge (mg/1), while data for the last two are expressed as parts per million (ppm) by weight Test 3. Obtained...

Smith, Richard Hugh

1968-01-01T23:59:59.000Z

454

Matter Waves and Orbital Quantum Numbers  

E-Print Network [OSTI]

The atom's orbital electron structure in terms of quantum numbers (principal, azimuthal, magnetic and spin) results in space for a maximum of: 2 electrons in the n=1 orbit, 8 electrons in the n=2 orbit, 18 electrons in the n=3 orbit, and so on. Those dispositions are correct, but that is not because of quantum numbers nor angular momentum nor a "Pauli exclusion principle". Matter waves were discovered in the early 20th century from their wavelength, which was predicted by DeBroglie to be, Planck's constant divided by the particle's momentum. But, the failure to obtain a reasonable theory for the matter wave frequency resulted in loss of interest. That problem is resolved in "A Reconsideration of Matter Waves" in which a reinterpretation of Einstein's derivation of relativistic kinetic energy [which produced his famous E = mc^2] leads to a valid matter wave frequency and a new understanding of particle kinetics and the atom's stable orbits. It is analytically shown that the orbital electron arrangement is enforced by the necessity of accommodating the space that each orbiting electron's matter wave occupies.

Roger Ellman

2005-05-18T23:59:59.000Z

455

Color superconductivity and dense quark matter  

E-Print Network [OSTI]

The properties of cold and dense quark matter have been the subject of extensive investigation, especially in the last decade. Unfortunately, we still lack of a complete understanding of the properties of matter in these conditions. One possibility is that quark matter is in a color superconducting phase which is characterized by the formation of a diquark condensate. We review some of the basic concepts of color superconductivity and some of the aspects of this phase of matter which are relevant for compact stars. Since quarks have color, flavor as well as spin degrees of freedom many different color superconducting phases can be realized. At asymptotic densities QCD predicts that the color flavor locked phase is favored. At lower densities where the QCD coupling constant is large, perturbative methods cannot be applied and one has to rely on some effective model, eventually trying to constrain such a model with experimental observations. The picture is complicated by the requirement that matter in the interior of compact stars is in weak equilibrium and neutral. These conditions and the (possible) large value of the strange quark mass conspire to separate the Fermi momenta of quarks with different flavors, rendering homogenous superconducting phases unstable. One of the aims of this presentation is to introduce non-experts in the field to some of the basic ideas of color superconductivity and to some of its open problems.

Massimo Mannarelli

2008-12-26T23:59:59.000Z

456

Organic aerogel microspheres  

DOE Patents [OSTI]

Organic aerogel microspheres are disclosed which can be used in capacitors, batteries, thermal insulation, adsorption/filtration media, and chromatographic packings, having diameters ranging from about 1 micron to about 3 mm. The microspheres can be pyrolyzed to form carbon aerogel microspheres. This method involves stirring the aqueous organic phase in mineral oil at elevated temperature until the dispersed organic phase polymerizes and forms nonstick gel spheres. The size of the microspheres depends on the collision rate of the liquid droplets and the reaction rate of the monomers from which the aqueous solution is formed. The collision rate is governed by the volume ratio of the aqueous solution to the mineral oil and the shear rate, while the reaction rate is governed by the chemical formulation and the curing temperature.

Mayer, S.T.; Kong, F.M.; Pekala, R.W.; Kaschmitter, J.L.

1999-06-01T23:59:59.000Z

457

Organic aerogel microspheres  

DOE Patents [OSTI]

Organic aerogel microspheres which can be used in capacitors, batteries, thermal insulation, adsorption/filtration media, and chromatographic packings, having diameters ranging from about 1 micron to about 3 mm. The microspheres can be pyrolyzed to form carbon aerogel microspheres. This method involves stirring the aqueous organic phase in mineral oil at elevated temperature until the dispersed organic phase polymerizes and forms nonsticky gel spheres. The size of the microspheres depends on the collision rate of the liquid droplets and the reaction rate of the monomers from which the aqueous solution is formed. The collision rate is governed by the volume ratio of the aqueous solution to the mineral oil and the shear rate, while the reaction rate is governed by the chemical formulation and the curing temperature.

Mayer, Steven T. (San Leandro, CA); Kong, Fung-Ming (Pleasanton, CA); Pekala, Richard W. (Pleasant Hill, CA); Kaschmitter, James L. (Pleasanton, CA)

1999-01-01T23:59:59.000Z

458

Free magnetized knots of parity-violating deconfined matter in heavy-ion collisions  

E-Print Network [OSTI]

We show that the local parity violation in the quark-gluon plasma supports existence of free (meta)stable knots of deconfined hot quark matter stabilized by superstrong magnetic fields. The magnetic field in the knots resembles the spheromak plasma state of the magnetic confinement approach to nuclear fusion. The size of the knot is quantized, being inversely proportional to the chiral conductivity of the quark-gluon plasma. The parity symmetry is broken inside the knot. Particles produced in the decays of the knots have unusual azimuthal distribution and specific flavor content. We argue that these knots may be created in noncentral heavy-ion collisions.

M. N. Chernodub

2010-02-07T23:59:59.000Z

459

Free magnetized knots of parity-violating deconfined matter in heavy-ion collisions  

E-Print Network [OSTI]

We show that the local parity violation in the quark-gluon plasma supports existence of free (meta)stable knots of deconfined hot quark matter stabilized by superstrong magnetic fields. The magnetic field in the knots resembles the spheromak plasma state of the magnetic confinement approach to nuclear fusion. The size of the knot is quantized, being inversely proportional to the chiral conductivity of the quark-gluon plasma. The parity symmetry is broken inside the knot. Particles produced in the decays of the knots have unusual azimuthal distribution and specific flavor content. We argue that these knots may be created in noncentral heavy-ion collisions.

Chernodub, M N

2010-01-01T23:59:59.000Z

460

Skip to content NovaScience  

E-Print Network [OSTI]

emitters known as organic LEDs, which can be assembled using electrically conductive polymers and deposited. Now researchers have bridged the gap between organic and inorganic LEDs by harnessing the light of conventional electronics in an elastic system with biomedical potential. "The applications we're interested

Rogers, John A.

Note: This page contains sample records for the topic "organic matter content" 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

Integrity and access control in untrusted content distribution networks  

E-Print Network [OSTI]

A content distribution network (CDN) makes a publisher's content highly available to readers through replication on remote computers. Content stored on untrusted servers is susceptible to attack, but a reader should have ...

Fu, Kevin E. (Kevin Edward), 1976-

2005-01-01T23:59:59.000Z

462

Sludge organics bioavailability  

SciTech Connect (OSTI)

Concern over the bioavailability of toxic organics that can occur in municipal sludges threatens routine land application of sludge. Available data, however, show that concentrations of priority organics in normal sludges are low. Sludges applied at agronomic rates yield chemical concentrations in soil-sludge mixtures 50 to 100 fold lower. Plant uptake at these pollutant concentrations (and at much higher concentrations) is minimal. Chemicals are either (1) accumulated at extremely low levels (PCBs), (2) possibly accumulated, but then rapidly metabolized within plants to extremely low levels (DEHP), or (3) likely degraded so rapidly in soil that only minor contamination occurs (PCP and 2,4-DNP).

Eiceman, G.E.; Bellin, C.A.; Ryan, J.A.; O'Connor, G.A.

1991-01-01T23:59:59.000Z

463

RH-TRU Waste Content Codes  

SciTech Connect (OSTI)

The Remote-Handled Transuranic (RH-TRU) Content Codes (RH-TRUCON) document describes the inventory of RH-TRU waste within the transportation parameters specified by the Remote-Handled Transuranic Waste Authorized Methods for Payload Control (RH-TRAMPAC).1 The RH-TRAMPAC defines the allowable payload for the RH-TRU 72-B. This document is a catalog of RH-TRU 72-B authorized contents by site. A content code is defined by the following components: • A two-letter site abbreviation that designates the physical location of the generated/stored waste (e.g., ID for Idaho National Laboratory [INL]). The site-specific letter designations for each of the sites are provided in Table 1. • A three-digit code that designates the physical and chemical form of the waste (e.g., content code 317 denotes TRU Metal Waste). For RH-TRU waste to be transported in the RH-TRU 72-B, the first number of this three-digit code is “3.” The second and third numbers of the three-digit code describe the physical and chemical form of the waste. Table 2 provides a brief description of each generic code. Content codes are further defined as subcodes by an alpha trailer after the three-digit code to allow segregation of wastes that differ in one or more parameter(s). For example, the alpha trailers of the subcodes ID 322A and ID 322B may be used to differentiate between waste packaging configurations. As detailed in the RH-TRAMPAC, compliance with flammable gas limits may be demonstrated through the evaluation of compliance with either a decay heat limit or flammable gas generation rate (FGGR) limit per container specified in approved content codes. As applicable, if a container meets the watt*year criteria specified by the RH-TRAMPAC, the decay heat limits based on the dose-dependent G value may be used as specified in an approved content code. If a site implements the administrative controls outlined in the RH-TRAMPAC and Appendix 2.4 of the RH-TRU Payload Appendices, the decay heat or FGGR limits based on a 10-day shipping period (rather than the standard 60-day shipping period) may be used as specified in an approved content code. Requests for new or revised content codes may be submitted to the WIPP RH-TRU Payload Engineer for review and approval, provided all RH-TRAMPAC requirements are met.

Washington TRU Solutions

2007-07-01T23:59:59.000Z

464

Using a MaxEnt Classifier for the Automatic Content Scoring of Free-Text Responses  

SciTech Connect (OSTI)

Criticisms against multiple-choice item assessments in the USA have prompted researchers and organizations to move towards constructed-response (free-text) items. Constructed-response (CR) items pose many challenges to the education community - one of which is that they are expensive to score by humans. At the same time, there has been widespread movement towards computer-based assessment and hence, assessment organizations are competing to develop automatic content scoring engines for such items types - which we view as a textual entailment task. This paper describes how MaxEnt Modeling is used to help solve the task. MaxEnt has been used in many natural language tasks but this is the first application of the MaxEnt approach to textual entailment and automatic content scoring.

Sukkarieh, Jana Z. [Educational Testing Service, Rosedale Road, Princeton NJ 08541 (United States)

2011-03-14T23:59:59.000Z

465

Volatile organic acids and microbial processes in the Yegua formation, east-central Texas  

E-Print Network [OSTI]

transported into the aquifer (3.2 µmol·l-1·m·a-1), the CO2 production rate in the aquifer sands is 5.3 µmol·l-1·m·a-1. This slow mineralization rate of in situ organic matter is within the range for deep aquifers, and probably accounts for the long...

Routh, J.; Grossman, E. L.; Ulrich, G. A.; Suflita, J. M.

2000-01-01T23:59:59.000Z

466

"The disintegration of organic compounds by microorganisms is accompanied by the liberation of  

E-Print Network [OSTI]

that of the better- known abiotic hydrogen- and methanol-driven fuel cells. For example, abiotic fuel cells require in a cost-effective manner. Over the past 40 years it has been suggested that microbial fuel cells might convert organic matter into electricity in devices known as microbial fuel cells. However, interest

Lovley, Derek

467

Neutrino matter potentials induced by Earth  

E-Print Network [OSTI]

An instructive method of deriving the matter potentials felt by neutrinos propagating through matter on Earth is presented. This paper thoroughly guides the reader through the calculations involving the effective weak Hamiltonian for lepton and quark scattering. The matter potentials are well-known results since the late 70's, but a detailed and pedagogical calculation of these quantities is hard to find. We derive potentials due to charged and neutral current scattering on electrons, neutrons and protons. Intended readership is for undergraduates/graduates in the fields of relativistic quantum mechanics and quantum field theory. In addition to the derivation of the potentials for neutrinos, we explicitely study the origin of the reversed sign for potentials in the case of antineutrino-scattering.

J. Linder

2006-01-15T23:59:59.000Z

468

Towards a 'Thermodynamics' of Active Matter  

E-Print Network [OSTI]

Self-propulsion allows living systems to display unusual collective behavior. Unlike passive systems in thermal equilibrium, active matter systems are not constrained by conventional thermodynamic laws. A question arises however as to what extent, if any, can concepts from classical thermodynamics be applied to nonequilibrium systems like active matter. Here we use the new swim pressure perspective to develop a simple theory for predicting phase separation in active matter. Using purely mechanical arguments we generate a phase diagram with a spinodal and critical point, and define a nonequilibrium chemical potential to interpret the "binodal." We provide a generalization of thermodynamic concepts like the free energy and temperature for nonequilibrium active systems. Our theory agrees with existing simulation data both qualitatively and quantitatively and may provide a framework for understanding and predicting the behavior of nonequilibrium active systems.

Sho C. Takatori; John F. Brady

2014-11-21T23:59:59.000Z

469

Isospin dependent properties of asymmetric nuclear matter  

SciTech Connect (OSTI)

The density dependence of nuclear symmetry energy is determined from a systematic study of the isospin dependent bulk properties of asymmetric nuclear matter using the isoscalar and isovector components of the density dependent M3Y interaction. The incompressibility K{sub {infinity}} for the symmetric nuclear matter, the isospin dependent part K{sub asy} of the isobaric incompressibility, and the slope L are all in excellent agreement with the constraints recently extracted from measured isotopic dependence of the giant monopole resonances in even-A Sn isotopes, from the neutron skin thickness of nuclei, and from analyses of experimental data on isospin diffusion and isotopic scaling in intermediate energy heavy-ion collisions. This work provides a fundamental basis for the understanding of nuclear matter under extreme conditions and validates the important empirical constraints obtained from recent experimental data.

Chowdhury, P. Roy [Saha Institute of Nuclear Physics, 1/AF Bidhan Nagar, Kolkata 700 064 (India); Basu, D. N. [Variable Energy Cyclotron Centre, 1/AF Bidhan Nagar, Kolkata 700 064 (India); Samanta, C. [Saha Institute of Nuclear Physics, 1/AF Bidhan Nagar, Kolkata 700 064 (India); Physics Department, Virginia Commonwealth University, Richmond, Virginia 232840 (United States); Physics Department, University of Richmond, Virginia 23173 (United States)

2009-07-15T23:59:59.000Z

470

Isospin dependent properties of asymmetric nuclear matter  

E-Print Network [OSTI]

The density dependence of nuclear symmetry energy is determined from a systematic study of the isospin dependent bulk properties of asymmetric nuclear matter using the isoscalar and the isovector components of density dependent M3Y interaction. The incompressibility $K_\\infty$ for the symmetric nuclear matter, the isospin dependent part $K_{asy}$ of the isobaric incompressibility and the slope $L$ are all in excellent agreement with the constraints recently extracted from measured isotopic dependence of the giant monopole resonances in even-A Sn isotopes, from the neutron skin thickness of nuclei and from analyses of experimental data on isospin diffusion and isotopic scaling in intermediate energy heavy-ion collisions. This work provides a fundamental basis for the understanding of nuclear matter under extreme conditions, and validates the important empirical constraints obtained from recent experimental data.

P. Roy Chowdhury; D. N. Basu; C. Samanta

2009-07-15T23:59:59.000Z

471

Bi-metric Gravity and "Dark Matter"  

E-Print Network [OSTI]

We present a bi-metric theory of gravity containing a length scale of galactic size. For distances less than this scale the theory satisfies the standard tests of General Relativity. For distances greater than this scale the theory yields an effective gravitational constant much larger than the locally observed value of Newton's constant. The transition from one regime to the other through the galactic scale can explain the observed rotation curves of galaxies and hence the effects normally attributed to the presence of dark matter. Phenomena on an extragalactic scale such as galactic clusters and the expansion of the universe are controlled by the enhanced gravitational coupling. This provides an explanation of the missing matter normally invoked to account for the observed value of Hubble's constant in relation to observed matter.

I. T. Drummond

2000-08-18T23:59:59.000Z

472

MODELING OBSERVATIONAL CONSTRAINTS FOR DARK MATTER HALOS  

SciTech Connect (OSTI)

Observations show that the underlying rotation curves at intermediate radii in spiral and low-surface-brightness galaxies are nearly universal. Further, in these same galaxies, the product of the central density and the core radius ({rho}{sub 0} r{sub 0}) is constant. An empirically motivated model for dark matter halos that incorporates these observational constraints is presented and shown to be in accord with the observations. A model fit to the observations of the galaxy cluster A611 shows that {rho}{sub 0} r{sub 0} for the dark matter halo in this more massive structure is larger by a factor of {approx}20 over that assumed for the galaxies. The model maintains the successful Navarro-Frenk-White form in the outer regions, although the well-defined differences in the inner regions suggest that modifications to the standard cold dark matter picture are required.

Hartwick, F. D. A. [Department of Physics and Astronomy, University of Victoria, Victoria, BC V8W 3P6 (Canada)

2012-12-01T23:59:59.000Z

473

Method of determining a content of a nuclear waste container  

DOE Patents [OSTI]

A method and apparatus are provided for identifying contents of a nuclear waste container. The method includes the steps of forming an image of the contents of the container using digital radiography, visually comparing contents of the image with expected contents of the container and performing computer tomography on the container when the visual inspection reveals an inconsistency between the contents of the image and the expected contents of the container.

Bernardi, Richard T. (Prospect Heights, IL); Entwistle, David (Buffalo Grove, IL)

2003-04-22T23:59:59.000Z

474

Holographic cold nuclear matter and neutron star  

E-Print Network [OSTI]

We have previously found a new phase of cold nuclear matter based on a holographic gauge theory, where baryons are introduced as instanton gas in the probe D8/$\\overline{\\rm D8}$ branes. In our model, we could obtain the equation of state (EOS) of our nuclear matter by introducing fermi momentum. Then, here we apply this model to the neutron star and study its mass and radius by solving the Tolman-Oppenheimer-Volkoff (TOV) equations in terms of the EOS given here. We give some comments for our holographic model from a viewpoint of the other field theoretical approaches.

Kazuo Ghoroku; Kouki Kubo; Motoi Tachibana; Fumihiko Toyoda

2014-02-19T23:59:59.000Z

475

Asymmetric dark matter and the Sun  

E-Print Network [OSTI]

Cold dark matter particles with an intrinsic matter-antimatter asymmetry do not annihilate after gravitational capture by the Sun and can affect its interior structure. The rate of capture is exponentially enhanced when such particles have self-interactions of the right order to explain structure formation on galactic scales. A `dark baryon' of mass 5 GeV is a natural candidate and has the required relic abundance if its asymmetry is similar to that of ordinary baryons. We show that such particles can solve the `solar composition problem'. The predicted small decrease in the low energy neutrino fluxes may be measurable by the Borexino and SNO+ experiments.

Mads T. Frandsen; Subir Sarkar

2010-06-01T23:59:59.000Z

476

Reformulating Competition? Gasoline Content Regulation and Wholesale Gasoline Prices  

E-Print Network [OSTI]

Regulation and Arbitrage in Wholesale Gasoline Markets,Content Regulation and Wholesale Gasoline Prices JenniferCONTENT REGULATION AND WHOLESALE GASOLINE PRICES by Jennifer

Brown, Jennifer; Hastings, Justine; Mansur, Erin T.; Villas-Boas, Sofia B

2007-01-01T23:59:59.000Z

477

Educating Consumers: New Content on Diesel Vehicles, Diesel Exhaust...  

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

Educating Consumers: New Content on Diesel Vehicles, Diesel Exhaust Fluid, and Selective Catalytic Reduction Technologies on the AFDC Educating Consumers: New Content on Diesel...

478

U-094: EMC Documentum Content Server Lets Local Administrative...  

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

4: EMC Documentum Content Server Lets Local Administrative Users Gain Elevated Privileges U-094: EMC Documentum Content Server Lets Local Administrative Users Gain Elevated...

479

Requestor's Name: Organization  

E-Print Network [OSTI]

Requestor's Name: Organization: Address: (No PO BOX) City, State, Zip: Cell: Phone: Fax: E showing major natural gas pipelines identified by owner and pipe diameter. 6) California Wind Resource Annual Wind Speed, Annual Wind Power, and Seasonal Wind Speed measured at various elevations (meters

480

Organic solvent topical report  

SciTech Connect (OSTI)

This report is the technical basis for the accident and consequence analyses used in the Hanford Tank Farms Basis for Interim Operation. The report also contains the scientific and engineering information and reference material needed to understand the organic solvent safety issue. This report includes comments received from the Chemical Reactions Subcommittee of the Tank Advisory Panel.

Cowley, W.L.

1998-04-30T23:59:59.000Z

Note: This page contains sample records for the topic "organic matter content" 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

REPRESENTATIONS & CERTIFICATIONS ORGANIZATION: PHONE  

E-Print Network [OSTI]

or Agreement. 1. Labor Surplus Area: Offeror ___ will ___ will not, perform the work in an area classified labor surplus area; or (3) ___ substantial labor surplus area. 2. Type of Business Organization: Offeror Business Concern", means a small business concern that (1) is at least 51 percent unconditionally owned

Groppi, Christopher

482

CCPPolicyBriefing Organization  

E-Print Network [OSTI]

BACKGROUND · Modern cartels are well-organized with sophisticated organizational structures. Disclosing to confidentiality, details on the organizational form of cracked cartels are rarely disclosed. · Theoretical to facilitating collusion. · Moreover, the efficiency gains of delegation in facilitating collusion can

Feigon, Brooke

483

Speciation and structural characterization of plutonium and actinide-organic complexes in surface and groundwaters. 1998 annual progress report  

SciTech Connect (OSTI)

'The authors proposed research is designed to study the association of actinides with dissolved organic complexes in subsurface waters. This study expands considerably on prior work due to the combination of Pu oxidation studies (for Pu speciation/chemical reactivity information), Pu isotope ratio work (for Pu source function information), and the detailed characterization of organic matter in size-fractionated groundwater samples. They have postulated that actinide associations with organic matter may be enhanced due to colloidal biopolymers. This report summarizes work completed after less than 2 years of a 3-year project. Activities thus far have included: (1) the development of sampling techniques to minimize contamination and artifact formation, (2) the separation of Pu isotopes by oxidation state in groundwater, (3) the development of techniques for the separation and identification of organic constituents from natural waters, (4) a study of background Pu and organic carbon concentrations at the proposed study sites, and (5) field work at the Savannah River site (SRS).'

Buesseler, K.O.; Repeta, D.J. [Woods Hole Oceanographic Inst., MA (US); Kelley, J.M. [Pacific Northwest National Lab., Richland, WA (US)

1998-06-01T23:59:59.000Z

484

CH-TRU Waste Content Codes  

SciTech Connect (OSTI)

The CH-TRU Waste Content Codes (CH-TRUCON) document describes the inventory of the U.S. Department of Energy (DOE) CH-TRU waste within the transportation parameters specified by the Contact-Handled Transuranic Waste Authorized Methods for Payload Control (CH-TRAMPAC). The CH-TRAMPAC defines the allowable payload for the Transuranic Package Transporter-II (TRUPACT-II) and HalfPACT packagings. This document is a catalog of TRUPACT-II and HalfPACT authorized contents and a description of the methods utilized to demonstrate compliance with the CH-TRAMPAC. A summary of currently approved content codes by site is presented in Table 1. The CH-TRAMPAC describes "shipping categories" that are assigned to each payload container. Multiple shipping categories may be assigned to a single content code. A summary of approved content codes and corresponding shipping categories is provided in Table 2, which consists of Tables 2A, 2B, and 2C. Table 2A provides a summary of approved content codes and corresponding shipping categories for the "General Case," which reflects the assumption of a 60-day shipping period as described in the CH-TRAMPAC and Appendix 3.4 of the CH-TRU Payload Appendices. For shipments to be completed within an approximately 1,000-mile radius, a shorter shipping period of 20 days is applicable as described in the CH-TRAMPAC and Appendix 3.5 of the CH-TRU Payload Appendices. For shipments to WIPP from Los Alamos National Laboratory (LANL), Nevada Test Site, and Rocky Flats Environmental Technology Site, a 20-day shipping period is applicable. Table 2B provides a summary of approved content codes and corresponding shipping categories for "Close-Proximity Shipments" (20-day shipping period). For shipments implementing the controls specified in the CH-TRAMPAC and Appendix 3.6 of the CH-TRU Payload Appendices, a 10-day shipping period is applicable. Table 2C provides a summary of approved content codes and corresponding shipping categories for "Controlled Shipments" (10-day shipping period).

Washington TRU Solutions LLC

2008-01-16T23:59:59.000Z

485

Remote-Handled Transuranic Content Codes  

SciTech Connect (OSTI)

The Remote-Handled Transuranic (RH-TRU) Content Codes (RH-TRUCON) document describes the inventory of RH-TRU waste within the transportation parameters specified by the Remote-Handled Transuranic Waste Authorized Methods for Payload Control (RH-TRAMPAC).1 The RH-TRAMPAC defines the allowable payload for the RH-TRU 72-B. This document is a catalog of RH-TRU 72-B authorized contents by site. A content code is defined by the following components: • A two-letter site abbreviation that designates the physical location of the generated/stored waste (e.g., ID for Idaho National Laboratory [INL]). The site-specific letter designations for each of the sites are provided in Table 1. • A three-digit code that designates the physical and chemical form of the waste (e.g., content code 317 denotes TRU Metal Waste). For RH-TRU waste to be transported in the RH-TRU 72-B, the first number of this three-digit code is “3.” The second and third numbers of the three-digit code describe the physical and chemical form of the waste. Table 2 provides a brief description of each generic code. Content codes are further defined as subcodes by an alpha trailer after the three-digit code to allow segregation of wastes that differ in one or more parameter(s). For example, the alpha trailers of the subcodes ID 322A and ID 322B may be used to differentiate between waste packaging configurations. As detailed in the RH-TRAMPAC, compliance with flammable gas limits may be demonstrated through the evaluation of compliance with either a decay heat limit or flammable gas generation rate (FGGR) limit per container specified in approved content codes. As applicable, if a container meets the watt*year criteria specified by the RH-TRAMPAC, the decay heat limits based on the dose-dependent G value may be used as specified in an approved content code. If a site implements the administrative controls outlined in the RH-TRAMPAC and Appendix 2.4 of the RH-TRU Payload Appendices, the decay heat or FGGR limits based on a 10-day shipping period (rather than the standard 60-day shipping period) may be used as specified in an approved content code.

Washington TRU Solutions

2006-12-01T23:59:59.000Z

486

HELSINKI UNIVERSITY OF TECHNOLOGY ENE-47.153 Course contentCourse content  

E-Print Network [OSTI]

- firedPulverised coal- fired power plantpower plant #12;HELSINKI UNIVERSITY OF TECHNOLOGY ENE-47.153 Pulverised coal combustion and gas clean-upPulverised coal combustion and gas clean-up #12;HELSINKIHELSINKI UNIVERSITY OF TECHNOLOGY ENE-47.153 ·· Course contentCourse content ·· Flue gases and fuel

Zevenhoven, Ron

487

On the Global Content PMI: Improved Copy-Protected Internet Content Distribution  

E-Print Network [OSTI]

On the Global Content PMI: Improved Copy-Protected Internet Content Distribution Tadayoshi Kohno distribution, copy-protection, PMI, risk manage- ment. 1 Introduction The Internet is changing the way Conference, 2001. #12;2 Tadayoshi Kohno and Mark McGovern the Privilege Management Infrastructure (PMI

Matsuoka, Yoky

488

The role of the bull's vomeronasal organ in estrous determination  

E-Print Network [OSTI]

THE ROLE OF THE BULL'S VOMERONASAL ORGAN IN ESTROUS DETERMINATION A Thesis by THOMAS JAMES McGRATH Submitted to the Graduate College of Texas ASM Uni ver s i ty i n partial fulfillment of the requirement for the degree of MASTER OF SCIENCE... May 19B1 Major Subject: Veterinary Anatomy THE ROLE OF THE BULL'S VOMERONASAL ORGAN IN ESTROUS DETERMINATION A Thesis by THOMAS JAMES MCGRATH Approved As To Style and Content By: (Chair of Committee) (M er) (Member) (Head epartment) May 1981...

McGrath, Thomas James

1981-01-01T23:59:59.000Z

489

Dissolved organic matter properties and their relationship to carbon dioxide efflux from  

E-Print Network [OSTI]

of Bayreuth, 95440 Bayreuth, Germany c Department of Geography and Centre for Climate and Global Change 2001; accepted 9 December 2002 Abstract The effects of peat bog harvesting and restoration on dissolved- centrations, humification indices derived from synchronous fluorescence spectra (humification index (HIX

Moore, Tim

490

Production and preservation of organic matter: The significance of Stephen R. Meyers1  

E-Print Network [OSTI]

ratios in diatoms [Hutchins and Bruland, 1998; Hutchins et al., 1998; Firme et al., 2003], and a decrease

Meyers, Stephen R.

491

Phase partitioning and solubility of iron in natural seawater controlled by dissolved organic matter  

E-Print Network [OSTI]

in the coastal environments [Hutchins and Bruland, 1998; Bruland et al., 2001; Hutchins et al., 2002]. Knowledge

Guo, Laodong

492

A Lipid Biomarker Investigation of Organic Matter Sources and Methane Cycling in Alaskan Thaw Lake Sediments  

E-Print Network [OSTI]

in anoxic cold seep sediments”. PNAS. 11. 7663-7668.Cycling in Alaskan Thaw Lake Sediments A Thesis submitted inin Alaskan Thaw Lake Sediments by Mark Richard Williams

Williams, Mark

2012-01-01T23:59:59.000Z

493

Soil Organic Matter of Natural and Restored Coastal Wetland Soils in Southern California  

E-Print Network [OSTI]

of natural and created marsh soils. J. Exp. Mar. Biol. Ecol.2007. Freshwater Input Structures Soil Properties, VerticalS.S. , Hoover, K.L. 1996. Soil properties of reference

Elgin, Barbara K.

2012-01-01T23:59:59.000Z

494

Soil organic matter stability and the temperature sensitivity of soil respiration   

E-Print Network [OSTI]

Soil respiration is an important source of atmospheric CO2, with the potential for large positive feedbacks with global warming. The size of these feedbacks will depend on the relative sensitivity to temperature of very ...

Burns, Nancy Rosalind

2012-11-29T23:59:59.000Z

495

Organic Matter Analysis of Sediments from Simpson Bay, Alaska using Elemental, Stable Isotopic, and Molecular Signatures  

E-Print Network [OSTI]

-232. Nittrouer, C.A., R. W. Sternberg, R. Carpenter, and J. T. Bennet. 1979. The use of Pb- 10 geochronology as a sedimentological tool: Application of the Washin continental shelf. Marine Geology. 31: 297-316. Noll, C.J. 2005. A high resolution...

Pondell, Christina

2008-08-19T23:59:59.000Z

496

Role of minerals in formation of hydrocarbons during pyrolysis of organic matter - a material balance approach  

SciTech Connect (OSTI)

Monterey Formation and Green River Formation kerogens (types II and I, respectively) were isolated, mixed with common sedimentary minerals, and pyrolyzed under dry and hydrous conditions for various times and temperatures. Analysis of all the pyrolyses products were conducted to perform a material balance and to infer reaction kinetics and mechanisms. Material balance of the pyrolyses products, in the presence and absence of minerals, reveals that the kerogen degradation results in the formation of bitumen rich in high molecular weight compounds in the initial stages, followed by additional cracking of kerogen and bitumen. However, amount and type of hydrocarbons in the pyrolyses products of kerogen in the presence of montmorillonite are markedly different from those produced by heating kerogen alone or with other minerals. The initial amounts of products in the presence of montmorillonite, and in particular the quantities of low molecular weight hydrocarbons, are higher than those in the presence of illite, calcite, and kerogen alone. The composition of these low molecular weight compounds is dominated by branched hydrocarbons, indicating catalytic cracking via carbonium ion mechanism, which is initiated on acidic sites of the clay. Composition differences are evident also in the distribution of n-alkanes and in the pristane/phytane ratio. The catalytic effect of montmorillonite, however, disappears in the presence of excess water. These differences may have important implications for the composition and quantities of petroleum generated from source rocks with different mineralogies.

Tannenbaum, E.; Huizinga, B.J.; Kaplan, I.R.

1985-02-01T23:59:59.000Z

497

FTIR spectroscopy can predict organic matter quality in2 regenerating cutover peatlands3  

E-Print Network [OSTI]

(bulk soil) analyses report on the composition of plant cell wall37 constituents in the peat area. Peat46 extraction for fuel and horticultural use has steadily diminished this carbon stock,47 (Gorham and Rochefort, 2003).50 Although some of these programs have demonstrated that annual gaseous

Paris-Sud XI, Université de

498

Dissolved Organic Matter Cycling on the Louisiana Shelf: Implications for the Formation of Hypoxia  

E-Print Network [OSTI]

................................................................................................... ix LIST OF TABLES .................................................................................................... x CHAPTER I INTRODUCTION ............................................................................... 1 1... .................................. 16 4 DON and Nitrate+Nitrite Pearson Correlation at Stations in August 2010......... 19 5 (A) Pearson product moment correlations (p<0.05) between DFAA and bulk parameters at three stations...

Shen, Li

2012-02-14T23:59:59.000Z

499

A spatial deconvolution of molecular signals in oceanic dissolved organic matter  

E-Print Network [OSTI]

subtropical North Pacific Ocean. Limnol. Oceanogr. 47: 1595-the subtropical North Pacific Ocean. Nature 388: Karl, D. ,subtropical North Pacific Ocean. Nature 388: Kirshenbaum, I;

Meador, Travis Blake

2008-01-01T23:59:59.000Z

500

Simultaneous removal of organic matter and salt ions from saline wastewater in bioelectrochemical systems  

E-Print Network [OSTI]

in physical and chemical separation processes such as ion-exchange, electrodialysis, or reverse osmosis [1