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Teratology studies of lewisite and sulfur mustard agents: Effects of lewisite in rats and rabbits: Final report
Lewisite was administered to rats and rabbits by intragastric intubation. Maternal animals were weighed periodically, and, at necropsy (20 dg (days of gestation) in rats and 30 dg in rabbits), were examined for gross lesions of major organs and reproductive performances; live fetuses were weighed and examined for external, internal and skeletal defect. In rats, a dose level of 1.5 mg/kg did not induce toxic or teratogenic responses in maternal and fetal body weights and a significant reduction in the number if viable fetuses were evident. In rabbit studies maternal mortality occurred in all but one of the lewisite treatment groups and ranged from 13% to 100% at dose levels of 0.07 and 1.5 mg/kg, respectively. This mortality rate limited the sample size and impaired the detection of statistical significance among treatments. However, at the lowest dose level of the teratology study (0.07 mg/kg, maternal mortality was the only indicator of lewisite toxicity; at the highst dose (0.6 mg/kg), significant findings included 86% maternal mortality, a decrease in maternal body weight gains and an increase in the incidence of fetal stunting, although only a tendency in decreased fetal body weights was observed. These results suggest that maternal mortality was the …
Date:
December 31, 1987
Creator:
Hackett, P L; Sasser, L B; Rommereim, R L; Cushing, J A; Buschbom, R L & Kalkwarf, D R
Object Type:
Report
System:
The UNT Digital Library
[Excerpt from Vernon's Texas Codes Annotated]
Excerpt from Vernon's Texas Codes Annotated, which is the legislative authority for the Texas Academy of Mathematics and Science.
Date:
August 31, 1987
Creator:
unknown
Object Type:
Legal Document
System:
The UNT Digital Library
Fermilab D-0 Experimental Facility: Energy conservation report and mechanical systems design optimization and cost analysis study
This report is developed as part of the Fermilab D-0 Experimental Facility Project Title II Design Documentation Update. As such, it concentrates primarily on HVAC mechanical systems design optimization and cost analysis.
Date:
October 31, 1987
Creator:
Krstulovich, S.F.
Object Type:
Report
System:
The UNT Digital Library
The Canadian Record (Canadian, Tex.), Vol. 97, No. 53, Ed. 1 Thursday, December 31, 1987
Weekly newspaper from Canadian, Texas that includes local, state and national news along with extensive advertising.
Date:
December 31, 1987
Creator:
Ezzell, Ben & Ezzell, Nancy
Object Type:
Newspaper
System:
The Portal to Texas History
The Tulia Herald (Tulia, Tex.), Vol. 79, No. 53, Ed. 1 Thursday, December 31, 1987
Weekly newspaper from Tulia, Texas that includes local, state and national news along with extensive advertising.
Date:
December 31, 1987
Creator:
Tooley, Wendell
Object Type:
Newspaper
System:
The Portal to Texas History
The Bogata News (Bogata, Tex.), Vol. 77, No. 12, Ed. 1 Thursday, December 31, 1987
Weekly newspaper from Bogata, Texas that includes local, state, and national news along with advertising.
Date:
December 31, 1987
Creator:
Nichols, Nanalee & Nichols, Thomas
Object Type:
Newspaper
System:
The Portal to Texas History
Special targets for nuclear reaction and spectroscopic studies
Strongly focused and monoenergetic charged-particle beams from modern accelerators and targets fabricated from quantities of isotopically enriched and stable materials are the essential components from many current nuclear physics experiments. Although a large body of this kind of experimental work requires substantial amounts of target material, an important subset of such experiments can be done with as little as a few ..mu..g of material. Experiments where charged particles or electrons can be focused on or transported to a detector are examples of accelerator-based studies which can be made with targets that contain relatively small amounts of material. For these kinds of studies, it then becomes possible to extend the domain of potential target materials to species which are very rare or which are unstable and undergo radioactive decay. At our laboratory during the last ten years, we have made targets for nuclear spectroscopy studies of /sup 152/Eu (13.4y), /sup 154/Eu (8.5y), /sup 249/Bk (320d), /sup 151/Sm (90y), and /sup 148/Gd (75y). We will report our experience with fabricating these and other kinds of stable targets and discuss our plans for preparing additional targets which offer interesting and exciting prospects for future nuclear research studies. 12 refs., 1 fig., 2 tabs.
Date:
July 31, 1987
Creator:
Lanier, R.G.
Object Type:
Article
System:
The UNT Digital Library
Advanced development of a pressurized ash agglomerating fluidized-bed coal gasification system: Topical report, Process analysis, FY 1983
KRW Energy Systems, Inc., is engaged in the continuing development of a pressurized, fluidized-bed gasification process at its Waltz Mill Site in Madison, Pennsylvania. The overall objective of the program is to demonstrate the viability of the KRW process for the environmentally-acceptable production of low- and medium-Btu fuel gas from a variety of fossilized carbonaceous feedstocks and industrial fuels. This report presents process analysis of the 24 ton-per-day Process Development Unit (PDU) operations and is a continuation of the process analysis work performed in 1980 and 1981. Included is work performed on PDU process data; gasification; char-ash separation; ash agglomeration; fines carryover, recycle, and consumption; deposit formation; materials; and environmental, health, and safety issues. 63 figs., 43 tabs.
Date:
July 31, 1987
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Gaining control over rare earth valence fluctuations
This paper briefly deals with the problem of narrow band materials. It addresses a new theoretical approach to the fluctuation of valence electrons in rare earth elements. It is believed that the phenomena of interest arize from an instability of the partially filled d or f shell of certain atoms when they are put into a metallic host. The theoretical models which dominate the scene work with two local d or f states on one hand and a structureless sea of free conduction electrons on the other. This procedure ignores at least half of the essential physics; the other held is kept alive in the term valence fluctuation. Basically, what the prevalent models ignore is that, in all these systems, the entire atoms as the source of the anomalies are being dealt with, not just their f shells. In other words, there is important structure in the sea of conduction electrons.
Date:
May 31, 1987
Creator:
Wohlleben, D.
Object Type:
Article
System:
The UNT Digital Library
Resistor cooling in a vacuum
This note describes thermal measurements which were done on a resistor operating both in air at one atmosphere pressure and in a vacuum of a few milliTorr. The motivation for this measurement was our interest in operating a BGO crystal-photomultiplier tube-base assembly in a vacuum, as a synchrotron radiation detector to tag electrons in the MT beam. We wished to determine what fraction of the total resistor power was dissipated by convection in air, in order to know whether there would be excessive heating of the detector assembly in a vacuum. 3 figs.
Date:
July 31, 1987
Creator:
Crittenden, R. & Krider, J.
Object Type:
Report
System:
The UNT Digital Library
NNDC (National Nuclear Data Center) on-line services documentation
This document summarizes and describes how to access the on-line services available from the National Nuclear Data Center (NNDC) located at Brookhaven National Laboratory. The services are available free of cost to US Department of Energy, its contractors and others who support the NNDC or supply data to the NNDC. Four of the center's data bases are now accessible to non-NNDC scientists via remote connection to the center's VAX 11/780. To use this service, you must have a terminal with access by either a telephone line or the PHYSNET network. A VT100 terminal or a terminal with VT-100 emulation is recommended but not required.
Date:
March 31, 1987
Creator:
Dunford, C.L.; Burrows, T.W. & Tuli, J.K.
Object Type:
Report
System:
The UNT Digital Library
The Cherokeean. (Rusk, Tex.), Vol. 139, No. 47, Ed. 1 Thursday, December 31, 1987
Weekly newspaper from Rusk, Texas that includes local, state and national news along with extensive advertising.
Date:
December 31, 1987
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Texas Register, Volume 12, Number 58, Pages 2489-2523, July 31, 1987
A weekly publication, the Texas Register serves as the journal of state agency rulemaking for Texas. Information published in the Texas Register includes proposed, adopted, withdrawn and emergency rule actions, notices of state agency review of agency rules, governor's appointments, attorney general opinions, and miscellaneous documents such as requests for proposals. After adoption, these rulemaking actions are codified into the Texas Administrative Code.
Date:
July 31, 1987
Creator:
Texas. Secretary of State.
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
Texas Register, Volume 12, Number 24, Pages 1045-1065, March 31, 1987
A weekly publication, the Texas Register serves as the journal of state agency rulemaking for Texas. Information published in the Texas Register includes proposed, adopted, withdrawn and emergency rule actions, notices of state agency review of agency rules, governor's appointments, attorney general opinions, and miscellaneous documents such as requests for proposals. After adoption, these rulemaking actions are codified into the Texas Administrative Code.
Date:
March 31, 1987
Creator:
Texas. Secretary of State.
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
Advanced combustion system for industrial boilers. Quarterly technical progress report, August 1987--October 1987
The purpose of this project is to develop an advanced coal-combustion system for industrial boilers. With the new combustion system, coal could be used to replace oil and possibly gas as fuel for many industrial boilers. The advanced combustion system is comprised of several parts: (1) A new burner-design concept for coal fuels, developed from the familiar gas turbine combustor-can designs that have proven efficient, reliable, durable, and safe for the combustion of liquid fuel oils. (2) A coal storage and dense-phase feed system for injecting clean, ultrafine pulverized coal into the burner at a low velocity. (3) An automatic control system based on feedback from low-cost automotive combustion-quality transducers. A cold flow model of an initial phase of the new burner design and the associated laser flow-visualization techniques were developed during this quarter. A series of modifications of the initial cold flow model will be tested to establish details of design for the new burner. Also a 200 hp firetube boiler has been installed and tested using number 2 oil as a fuel. This boiler will be used for future combustion testing with the new burner and ultrafine pulverized coal. Additionally an ultrafine-coal injector has been designed which will …
Date:
December 31, 1987
Creator:
Attig, R. C.; Foote, J. P.; Millard, W. P.; Schulz, R. J. & Wagoner, C. L.
Object Type:
Report
System:
The UNT Digital Library
Development of a retrofit coal combustor for industrial applications. Technical progress report, October--December 1987: Draft
During this quarter the tandem design configuration unit was tested on a low ash pulverized coal. The test results confirmed operation with strong peak-to-peak pressures and high carbon burn-out efficiencies. These configuration units were dismantled after testing with micronized coal (see third quarterly) and pulverized coal during this period. The refractory material in one of the chambers failed, probably due to improper curing during installation. Design modifications based on performance were incorporated into both the combustors and the facility. The tandem unit was modified and evaluation testing initiated. Performance on 100 percent pulverized coal was similar to performance on micronized coal indicating that the unit has a high degree of tolerance and flexibility for a spectrum of fuel types.
Date:
December 31, 1987
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
[Support of the board on ocean science and policy]
The National Academy of Sciences, through the Ocean Studies Board of the Commission on Physical Sciences, Mathematics and Resources, proposes to provide guidance on major ocean sciences and policy issues to the National Oceanic and Atmospheric Administration, the National Science Foundation, the Department of the Navy, the US Geological Survey, the Minerals Management Service of the Department of the Interior, the US Coast Guard, the Department of State, the Department of Energy, The Environmental Protection Agency, and the National Aeronautics and Space Administration. The work plan for this activity is presented in the program plan section of this proposal. Work plans for subsequent years will be submitted prior to the commencement of work. Financial support is requested for continued support of the Ocean Studies Board activities from 1 June 1987 through 31 May 1989. Funds in the amount of $513,400 are requested for the period 1 June 1987 through 31 May 1988, as indicated in the attached estimate of costs.
Date:
December 31, 1987
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Establish Feasibility for Providing Passive Cooling With Solar Updraft and Evaporate Downdraft Chimneys. Final Report, June 15, 1984--December 31, 1987
Natural draft towers can be used for cooling and ventilating structures. From an operational perspective, the downdraft evaporatively cooled tower is preferred for a dry climate. Solar chimneys, when used alone, tend to require an excessively large solar collector area when appreciable quantities of air must be moved. When used in combination with a downdraft tower, the roof and attic of buildings may assist the solar chimney and their use becomes more attractive. Both a frame building and a greenhouse were successfully cooled during this program. The economics of the downdraft tower compare favorably with conventional evaporative cooling for some applications.
Date:
December 31, 1987
Creator:
Cunningham, W. A.; Mignon, G. V. & Thompson, T. L.
Object Type:
Report
System:
The UNT Digital Library
Mechanism of surface enrichment and adhesion of coal combustion particulates. Second quarterly report, September 1987
Following is an updated list of accomplishments: Design of an experimental set up and development of experimental techniques for study of the adsorption and desorption of alkali on coal ash and potential additive particles. Development of techniques for quantitative and qualitative characterization of alkali distribution in small additive particles using Scanning Auger Spectroscopy. Completion of a set of adsorption experiments for measuring the rate, capacity and adsorption characteristics of alkali adsorption on bauxite, silica, lime and kaolin. Design and set up of a micro-fluidized bed for study of the agglomeration kinetics and characteristics of ash and additive particles. Completion of the first set of experiments on dependence of agglomeration characteristics on the alkali content of typical ash and potential additive particle.
Date:
December 31, 1987
Creator:
Shadman, F.; Peterson, T. W.; Wendt, J. O. L.; Punjak, W. A. & Rizeq, G.
Object Type:
Report
System:
The UNT Digital Library
Texas Attorney General Opinion: JM-662
Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Jim Mattox, regarding a legal question submitted for clarification; Authority of Harris County to establish a special "detention court"
Date:
March 31, 1987
Creator:
Texas. Attorney-General's Office.
Object Type:
Text
System:
The Portal to Texas History
Texas Attorney General Opinion: JM-663
Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Jim Mattox, regarding a legal question submitted for clarification; Whether the Texas Anatomical Moard may transport dead bodies out of the United States
Date:
March 31, 1987
Creator:
Texas. Attorney-General's Office.
Object Type:
Text
System:
The Portal to Texas History
Texas Attorney General Opinion: JM-664
Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Jim Mattox, regarding a legal question submitted for clarification; Whether a contract for the storage and delivery of U.S. Department of Agricultural Commodity foods falls under the jurisdiction of the Texas Railroad Commission
Date:
March 31, 1987
Creator:
Texas. Attorney-General's Office.
Object Type:
Text
System:
The Portal to Texas History
Texas Attorney General Opinion: JM-779
Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Jim Mattox, regarding a legal question submitted for clarification; Whether a district attorney is required to reimburse a county clerk for services rendered pursuant to a bond forfeiture proceeding
Date:
August 31, 1987
Creator:
Texas. Attorney-General's Office.
Object Type:
Text
System:
The Portal to Texas History
Texas Attorney General Opinion: JM-780
Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Jim Mattox, regarding a legal question submitted for clarification; Validity of a proposed municipal ordinance defining "contemporary community standard" for purposes of regulation of obscenity
Date:
August 31, 1987
Creator:
Texas. Attorney-General's Office.
Object Type:
Text
System:
The Portal to Texas History