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Measurements of surface ocean carbon dioxide partial pressure during WOCE

Description: Progress during the past year of research under Measurements of Surface Ocean Carbon Dioxide Partial Pressure During WOCE'' has been significant. As was described in our previous progress report, the startup phase of this research was severely frustrated by delays in the US WOCE Hydrographic Program (WHP), which in turn were caused by delays in the mid-life refit of the R/V Knorr. As a result the high latitude southeastern Pacific work (WHP lines P19S and P16S) originally scheduled for the 1990… more
Date: February 25, 1992
Creator: Weiss, R.F.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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(Basic properties of coals and other solids)

Description: This report discusses basic properties of bituminous, subbituminous, and lignite coals. Properties of coal liquids are also investigated. Heats of immersion in strong acids are found for Pittsburgh {number sign}8, Illinois {number sign}6, and Wyodak coals. Production of coal liquids by distillation is discussed. Heats of titration of coal liquids and coal slurries are reported. (VC)
Date: November 25, 1991
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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IGR NO[sub x]/SO[sub x] control technology

Description: The technical work during this reporting term has principally involved the continued development, optimization and improvement of freezing drying techniques for solid ceramic oxide electrolyte powder preparation, preliminary optimization of the calcining of the ceramic electrolyte freeze dried powders to allow for optimum processing to the IGR composite, and determining (initial) electrochemical properties of the stabilized ceramic solid electrolyte at a variety of temperatures in air.
Date: April 25, 1993
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Nitrogen oxide abatement by distributed fuel addition

Description: The performance of the new combustor was tested. Experiments showed that this combustor has superior insulating quality than the previous one. Measured radial concentrations indicated uniform distribution of the primary fuel (coal) inside the fire tube resulting in reasonably flat concentration profiles. However, measured radial concentrations after the addition of the reburn fuel showed uneven distribution of the fuel resulting in parabolic concentration profiles, an indication of insufficient… more
Date: August 25, 1989
Creator: Wendt, J. O. L. & Mereb, J. B.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Fundamental Studies of Water Pretreatment of Coal

Description: During the seventh quarter, water pretreatment experiments were done at lower pressures (1000 psig), with early H{sub 2}O injection or continuous H{sub 2}O injection, and with demineralized coals. In addition, a set of blank experiments was done with all four coals in helium at the following conditions: 350{degrees}C; 4000 psig; 20 minutes. An additional experiment was done with the Zap lignite at atmospheric pressure. Helium was used instead of nitrogen since it can be obtained in highly pure … more
Date: October 25, 1991
Creator: Serio, M. A.; Solomon, P. R.; Kroo, E.; Charpenay, S. & Bassilakis, R.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Low energy ion-molecule reactions and chemiionization kinetics

Description: Our research program is devoted to understanding the dynamics of elementary ionic collisions at the level of the underlying potential surface by measuring energy and angular distributions of reactively scattered products with crossed beam methods over the relative center-of-mass energy range from 0.3 to several eV. We have performed reactive and non-reactive scattering studies on the proton and hydrogen atom transfer systems listed below: O + NH{sub 3} {yields} OH + NH{sub 2} {delta}H = {minus}… more
Date: September 25, 1991
Creator: Farrar, J.M.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Nitrogen oxide abatement by distributed fuel addition

Description: The purpose of this project is to develop techniques for nitrogen oxides abatement by distributed fuel addition. The major nitrogen oxide of interest is Nitric Oxide (NO), a precursor to premature forest damage and to acid rain. Recently interest has also been evoked with respect to an additional oxide of nitrogen, namely Nitrous Oxide (N{sub 2}O). Therefore, abatement measures for NO{sub x} are being investigated to determine their influence on N{sub 2}O as well. This report briefly describes … more
Date: March 25, 1988
Creator: Wendt, J.O.L. & Meraab, J.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Pulsed laser kinetic studies of liquids under high pressure

Description: A high pressure apparatus constructed for measuring the rates of reactions in liquids under pressures ranging from 1 atm to 2000 atm has been used to measure the complexation kinetics of molybdenum hexacarbonyl reacting with 2,2-bipyridine, 4,4{prime}-dimethyl-2-2{prime}-bipyridine and 4,4{prime}-diphenyl-2-2{prime} bipyridine in toluene. Pentacarbonyl reaction intermediates are created by a 10 nsec flash of frequency tripled Nd:YAG laser light. Measured activation volumes for chelate ligand ri… more
Date: November 25, 1991
Creator: Eyring, E.M.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Formation rate of ammonium nitrate in the off-gas line of SRAT and SME in DWPF

Description: A mathematical model for the formation rate of ammonium nitrate in the off-gas line of the Sludge Receipt and Adjustment Tank (SRAT) and the Slurry Mixed Evaporator (SME) in DWPF has been developed. The formation rate of ammonium nitrate in the off-gas line depends on pH, temperature, volume and total concentration of ammonia and ammonium ion. Based on a typical SRAT and SME cycle in DWPF, this model predicts the SRAT contributes about 50 lbs of ammonium nitrate while SME contributes about 60 l… more
Date: February 25, 1992
Creator: Lee, L.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Equilibrium ammonium concentration in slurry mix evaporator condensate tank (SMECT) with ammonia scrubbers

Description: During design reviews of the Recycle Colection Tank (RCT) at the Savannah River Site it was determined that in all cases the RCT scrub solution could not be routed to the RCT. During transfers to the tank farm (estimated ten hour cycle), the ammonia evolved from the RCT is scrubbed by the RCT scrubber and the ammonia scrub water must be returned to the SMECT. The result of this is an increased steady state concentration of ammonium in the SMECT water used for the ammonia scrubbers. The maximum … more
Date: September 25, 1992
Creator: Lambert, D. P.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Quasi-elastic neutron scattering studies of protein dynamics

Description: Results that shed new light on the study of protein dynamics were obtained by quasi-elastic neutron scattering. The triple axis instrument H-9 supplied by the cold source was used to perform a detailed study of the quasi-elastic spectrum and the Debye-Waller factor for trypsin in powder form, in solution, and in crystals. A preliminary study of myoglobin crystals was also done. A new way to view the results of quasi-elastic scattering experiments is sketched, and the data on trypsin are present… more
Date: May 25, 1993
Creator: Rorschach, H.E.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Studies of combustion reactions at the state-resolved differential cross section level

Description: State-resolved differential reaction cross sections provide perhaps the most detailed information about the mechanism of chemical reaction, but heretofore they have been extremely difficult to measure. This program explores a new technique for obtaining differential cross sections with product state resolution. The three-dimensional velocity distribution of state-selected reaction products is determined by ionizing the appropriate product, waiting for a delay while it recoils along the trajecto… more
Date: March 25, 1992
Creator: Houston, P. L.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Innovative Clean Coal Technology (ICCT): 180 MW demonstration of advanced tangentially-fired combustion techniques for the reduction of nitrogen oxide (NO[sub x]) emissions from coal-fired boilers

Description: This quarterly report discusses the technical progress of a US Department of Energy (DOE) Innovative Clean Coal Technology (ICCT) Project demonstrating advanced tangentially-fired combustion techniques for the reduction of nitrogen oxide (NO[sub x]) emissions from a coal-fired boiler. The project is being conducted at Gulf Power Company's Plant Lansing Smith Unit 2 located near Panama City, Florida. The primary objective of this demonstration is to determine the long-term effects of commerciall… more
Date: November 25, 1992
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Ovine model for studying pulmonary immune responses

Description: Anatomical features of the sheep lung make it an excellent model for studying pulmonary immunity. Four specific lung segments were identified which drain exclusively to three separate lymph nodes. One of these segments, the dorsal basal segment of the right lung, is drained by the caudal mediastinal lymph node (CMLN). Cannulation of the efferent lymph duct of the CMLN along with highly localized intrabronchial instillation of antigen provides a functional unit with which to study factors involv… more
Date: November 25, 1984
Creator: Joel, D. D. & Chanana, A. D.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Kinetics and mechanism of desulfurization and denitrogenation of coal-derived liquids. Eighth quarterly report, March 21--June 20, 1977

Description: Three high-pressure flow microreactors and two batch autoclave reactors have been used to study the reaction networks and kinetics of (1) catalytic hydrodesulfurization of dibenzothiophene and methyl-substituted dibenzothiophenes and (2) catalytic hydrodenitrogenation of quinoline, methyl-substituted quinolines, and carbazole. At the typical conditions of 300/sup 0/C and 104 atm, dibenzothiophene reacts to give H/sub 2/S and biphenyl in high yield, but there is some hydrogenation preceding desu… more
Date: August 25, 1977
Creator: Gates, B. C.; Katzer, J. R.; Olson, J. H.; Kwart, H. & Stiles, A. B.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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