UNT Libraries Government Documents Department - 5,422 Matching Results

Search Results

prev Results: 11 - 34 next
open access

900-755 degradation model for an RTG with a silicon-germanium thermopile. [DEGRA computer code]

Description: This report describes the RTG degradation mechanisms which have been identified as occurring in thermoelectric power generating systems that use the alloy of silicon germanium as the thermoelectric material and that incorporate a multifoil thermal insulation system. The synergetic effects of all of the identified degradation mechanisms are determined by a computer code, DEGRA, which calculates the available generator output power as a function of generator operating time.
Date: September 1, 1976
Creator: Stapfer, G.
Item Type: Refine your search to only Report
open access

17th Annual Report

Description: The ACIR Library is composed of publications that study the interactions between different levels of government. This document is an annual report.
Date: January 1976
Creator: United States. Advisory Commission on Intergovernmental Relations.
Item Type: Refine your search to only Book
open access

1976 intercomparison of personnel dosimeters

Description: The second Personnel Dosimeter Intercomparison Study (PDIS) was conducted at Oak Ridge National Laboratory's DOSAR Facility during the period February 18-19, 1976. Eleven independent organizations participated in an intercomparison of neutron and gamma-ray dosimeters used for routine personnel dosimetry. The dosimeters, which were shipped to the DOSAR Facility, were exposed at the Health Physics Research Reactor to one of three ''standardized'' radiation fields which have been used for the past… more
Date: December 1, 1976
Creator: Gilley, L. W.; Dickson, H. W. & Christian, D. J.
Item Type: Refine your search to only Report
open access

1985 technical coefficients for inputs to energy technologies

Description: This report describes the incorporation of input--output technical coefficients for five new energy supply and conversion technologies as estimated by the MITRE Corporation into a 110-sector Energy I--O Model. The five new technologies are solvent refining of coal, oil shale mining and retorting, high-temperature gas-cooled reactor electricity generation, high-BTU coal gasification, and COGAS combined-cycle electricity generation. Incorporation of seven existing energy supply and conversion tec… more
Date: June 1, 1976
Creator: Lukachinski, J. & Tessmer, R. G. Jr.
Item Type: Refine your search to only Report
open access

2D radiative transfer schemes

Description: In a study of three 2D radiative transfer methods, equilibrium diffusion, nonequilibrium diffusion, and S/sub n/, as applied to the interaction of the reflected shock with a fireball near the surface, the following results were obtained. The equilibrium diffusion method requires modifications to transfer energy through optically thin zones. The present S/sub n/ method, as included in YAQUI-SN, i.e., the TWOTRAN code, has troubles in the treatment of a thick/thin interface. Improvements are poss… more
Date: August 1, 1976
Creator: Davis, C. G. & Bunker, S. S.
Item Type: Refine your search to only Report
open access

2XIIB plasma confinement experiments

Description: This paper reports results of 2XIIB neutral-beam injection experiments with plasma-stream stabilization. The plasma stream is provided either by a pulsed plasma generator located on the field lines outside the plasma region or by ionization of neutral gas introduced at the mirror throat. In the latter case, the gas is ionized by the normal particle flux through the magnetic mirror. A method of plasma startup and sustenance in a steady-state magnetic field is reported in which the plasma stream … more
Date: August 6, 1976
Creator: Coensgen, F. H.; Clauser, J. F. & Correll, D. L.
Item Type: Refine your search to only Article
open access

90503 mock study. Period covered: October--December 1975

Description: Two billets were pressed from each of three lots of 90503 mock. One billet from each of these lots was pressed using dried powder. Samples were taken from each pressing charge just prior to pressing and volatile content measured. Each of these six billets were then machined into compression and tensile specimens. Additional compression specimens were machined from an existing hemispherical part made from one of these lots of material. Dimensional stability tests were conducted on parts from eac… more
Date: January 1, 1976
Creator: Crutchmer, J. A. & Johnson, H. D.
Item Type: Refine your search to only Report
open access

Ab initio effective potentials for atoms of the first three rows of the periodic table. [Tables, coreless Hartree--Fock effective potential]

Description: The coreless Hartree--Fock effective potential (CHFEP) method is used to replace the core orbitals for atoms of the first three rows of the periodic table. Self-consistent field (SCF) calculations indicate that these effective potentials give Hartree--Fock quality orbitals and orbital energies. Optimized small basis sets for use with these effective potentials are presented along with some tests of these basis sets. It is seen that the effective potential allows one to use such small basis sets… more
Date: January 1, 1976
Creator: Topiol, S; Moskowitz, J W; Melius, C F; Newton, M D & Jafri, J
Item Type: Refine your search to only Report
open access

Ab initio potential surface calculations for the H + Hâ‚‚O and H + HF hydrogen atom exchange reactions

Description: The calculations reveal that the H + H/sub 2/O and H + HF exchange reactions are both characterized by a large energy barrier (on the order of 20 to 30 kcal/mole) and a transition state possessing significant Rydberg 3s character on the central atom. The presence of high energy barriers means that both exchange reactions will be extremely slow except at very high temperatures.
Date: January 1, 1976
Creator: Wadt, W. R. & Winter, N. W.
Item Type: Refine your search to only Article
open access

ABCXYZ: vector potential (A) and magnetic field (B) code (C) for Cartesian (XYZ) geometry using general current elements. [In LRL TRAN for CDC > 600 computer]

Description: ABCXYZ is a computer code for obtaining the Cartesian components of the vector potential and the magnetic field on an observed grid from an arrangement of current-carrying wires. Arbitrary combinations of straight line segments, arcs, and loops are allowed in the specification of the currents. Arbitrary positions and orientations of the current-carrying elements are also allowed. Specification of the wire diameter permits the computation of well-defined fields, even in the interiors of the cond… more
Date: September 14, 1976
Creator: Anderson, D. V.; Breazeal, J.; Finan, C. H. & Johnston, B. M.
Item Type: Refine your search to only Report
open access

ABMAC-arbitrary boundary marker and cell Eulerian hydrodynamic incompressible numerical method. [In FORTRAN for CDC 6600 computer]

Description: This report is intended to be a "user manual" for the Lawrence Livermore Laboratory version of the Eulerian incompressible hydrodynamic computer code ABMAC. The theory of the numerical model is discussed in general terms. The format for data input and data printout is described in detail. A listing and flow chart of the computer code are provided.
Date: June 1, 1976
Creator: Garcia, Jr., W. J. & Viecelli, J. A.
Item Type: Refine your search to only Report
open access

Abortion: Legal Control

Description: The U.S. Supreme Court decisions in Roe v. Wade, 410 U.S. 112 (1973), and Doe v. Bolton, 410 U.S. 179, which held generally that a State could no longer prohibit abortions in the first 6 months of pregnancy, caused several House and Senate members to move for an abortion prohibition effectuated by congressional action. To this end, proposed bills and constitutional amendments have been introduced in both Houses. Rather than having settled the abortion question conclusively, the Supreme Court de… more
Date: August 12, 1976
Creator: Hall, James
Item Type: Refine your search to only Report
open access

Absolute differential cross sections over the entire angular range for the reaction /sup 3/H(d,n)/sup 4/He at 7. 0 and 10. 0 MeV

Description: Differential cross sections for the reaction /sup 3/H(d,n)/sup 4/He have been measured at 7.00 and 10.00 MeV using the time-of-flight technique. By measuring both /sup 3/H(d,n)/sup 4/He and /sup 2/H(t,n)/sup 4/He at the same center of mass, energy-complete distributions between 0/sup 0/ and 180/sup 0/ have been obtained. The absolute scales have been established within +- 1.5 percent by using the accurate /sup 2/H(t,/sup 4/He)n cross sections at 20.0 MeV as a standard.
Date: February 1, 1976
Creator: Drosg, M.; Smith, R. K. & Woods, R.
Item Type: Refine your search to only Report
open access

Absolute two plasmon parametric decay of obliquely incident electromagnetic waves in an inhomogeneous plasma

Description: The parametric decay of an electromagnetic wave into two electron plasma waves is considered. The electromagnetic wave is obliquely incident on the density gradient. The resulting analysis shows that the threshold for absolute instability decreases as the angle of incidence of the electromagnetic wave relative to the density gradient approaches 90/sup 0/. The importance of this result to laser fusion is discussed.
Date: October 1, 1976
Creator: Schuss, J. J.
Item Type: Refine your search to only Report
open access

Abstracts of the first ORNL workshop on polycyclic aromatic hydrocarbons: characterization and measurement with a view toward personnel protection. [PAH from coal conversion]

Description: This report contains the abstracts of papers presented at a workshop on polycyclic aromatic hydrocarbons (PAH) such as those produced by coal conversion technologies. Their often carcinogenic nature imposes the obligation of providing adequate protection and measurement devices for workers and for the general public. The primary questions are as follows: What should be measured. Where and how should it be measured. What are the maximum permissible concentrations. This workshop and future worksh… more
Date: November 1, 1976
Creator: Gammage, R. B. (comp.)
Item Type: Refine your search to only Article
open access

ac loss and dc critical current densities of Nb/sub 3/Sn tapes by the solid state diffusion process

Description: The effects of metallurgical processing on 60 Hz ac losses and dc critical currents in Nb/sub 3/Sn tapes fabricated by the solid state diffusion technique were investigated. An addition of Al to the Cu--Sn alloy for the matrix resulted in large reduction in the ac losses of Nb/sub 3/Sn tapes, but the highest linear critical current densities were observed in Nb/sub 3/Sn tapes produced with a Nb-1 wt percent Zr core in a Cu-13 wt percent Sn matrix. Values of the losses and the critical currents … more
Date: January 1, 1976
Creator: Suenaga, M; Klamut, C & Bussiere, J F
Item Type: Refine your search to only Article
open access

Acceleration experienced by thermal converter implanted in calves. [Acceleration from walking, falling, and jumping]

Description: The objective of this study was to determine acceleration levels experienced by the ERDA thermal converter unit implanted abdominally in a calf. A full-scale weighted mock-up of the thermal converter was fabricated containing a triaxial accelerometer. The mock-up was implanted in calf cadavers which were subjected to falls from an operating table. Highest acceleration recorded was 34 g. The mock-up was implanted in living animals and acceleration measurements made under various maneuvers includ… more
Date: February 1, 1976
Creator: Koshino, I.; Sukalac, R.; Jacobs, G.; Kiraly, R. J. & Nose, Y.
Item Type: Refine your search to only Report
open access

Accelerator based atomic physics experiments: an overview

Description: Atomic Physics research with beams from accelerators has continued to expand and the number of papers and articles at meetings and in journals reflects a steadily increasing interest and an increasing support from various funding agencies. An attempt will be made to point out where interdisciplinary benefits have occurred, and where applications of the new results to engineering problems are expected. Drawing from material which will be discussed in the conference, a list of the most active are… more
Date: January 1, 1976
Creator: Moak, C. D.
Item Type: Refine your search to only Article
open access

Accelerator-based neutron generator (addendum)

Description: A proposal to design, construct, and operate a D--Li intense neutron source for CTR materials research is discussed. Information pertaining to the following areas is given: (1) radiation damage effectiveness, (2) Linac design and performance, (3) target design and performance, (4) experimental area design, (5) construction schedule, (6) construction costs, (7) preliminary design and development program, (8) facility operation and operating costs, and (9) financial appropriation plan. (MOW)
Date: January 1976
Creator: Grand, P.
Item Type: Refine your search to only Report
open access

Accelerator for pion clinical facilities. [Cost factors]

Description: Pion sources suitable for cancer therapy utilizing a large acceptance collector are within the state of the art in this field. Costs are remarkably uniform between the various accelerator types, and are within reason for large centers which might specialize in this type therapy. Accelerator size is a problem, but may be reduced as various studies extend the state of the art in this area. None of the contenders is a small device, and all will require a large operating staff (8-10 people) just to… more
Date: January 1, 1976
Creator: Knapp, E. A.
Item Type: Refine your search to only Article
Back to Top of Screen