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open access

Environmental assessment of remedial action at the Gunnison Uranium Mill Tailings Site, Gunnison, Colorado. [UMTRA Project]

Description: This document assesses and compares the environmental impacts of various alternatives for remedial action at the Gunnison uranium of mill tailings site located 0.5 miles south of Gunnison, Colorado. The site covers 56 acres and contains 35 acres of tailings, 2 of the original mill buildings and a water tower. The Uranium Mill Tailings Radiation Control of Act of 1978 (UMTRCA), Public Law 95-604, authorizes the US Department of Energy to clean up the site to reduce the potential health impacts a… more
Date: December 1, 1984
Creator: Bachrach, A.; Hoopes, J.; Morycz, D. (Jacobs Engineering Group, Inc., Pasadena, CA (USA)); Bone, M.; Cox, S.; Jones, D. et al.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Sport Hunting in Alaska

Description: This report describes the legislated that's been suggested during the 98th Congress to move considerable Alaskan acreage from National park and Monument appointment to National Preserve status, through which hunting and trapping rules on these lands would be eased.
Date: May 1, 1984
Creator: Backiel, Adela
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Mode-locking and the transition to chaos in dissipative systems

Description: Dissipative systems with two competing frequencies exhibit transitions to chaos. We have investigated the transition through a study of discrete maps of the circle onto itself, and by constructing and analyzing return maps of differential equations representing some physical systems. The transition is caused by interaction and overlap of mode-locked resonances and takes place at a critical line where the map losses invertibility. At this line the mode-locked intervals trace up a complete Devil'… more
Date: January 1, 1984
Creator: Bak, P.; Bohr, T. & Jensen, M.H.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Nonrelativistic theory of heavy-ion collisions

Description: A wide range of phenomena is observed in heavy-ion collisions, calling for a comprehensive theory based on fundamental principles of many-particle quantum mechanics. At low energies, the nuclear dynamics is controlled by the mean field, as we know from spectroscopic nuclear physics. We therefore expect the comprehensive theory of collisions to contain mean-field theory at low energies. The mean-field theory is the subject of the first lectures in this chapter. This theory can be studied quantum… more
Date: July 17, 1984
Creator: Bertsch, G.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Hydrodynamic flow structures in quantum field theory

Description: The transport of matter is examined in the context of relativistic quantum transport theory for the case of neutral scalar fields. The goal is to formulate a theory valid off mass shell and out of equilibrium. We construct a conserved moment tensor which coincides with the ensemble average of the Noether tensor, or the improved energy-momentum tensor within an additive constant of the improvement term. Conditions for closure of the conservation equation are given for the phi/sup 4/ coupling. 8 … more
Date: May 1, 1984
Creator: Carruthers, P. & Zachariasen, F.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Electron energy transport and magnetic curvature driven modes

Description: A transport coefficient for anomalous electron thermal conduction is constructed on the basis of the so-called Principle of Profile Consistency. It is assumed that the relevant modes in plasma where a substantial fraction of the electron population is magnetically trapped produce magnetic reconnection at a microscopic level and are driven by the combined effects of the plasma pressure gradient and the magnetic field curvature. Consequently, the scaling for the electron energy confinement time e… more
Date: October 1, 1984
Creator: Coppi, B. & Tang, W.M.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Investigation of single-substance horizontal two-phase flow

Description: Despite the abundance of work in the field of two-phase flow, it seems as though a consensus has not been reached on some of the fundamental points. Although exceptions exist, adequate physical interpretation of the flow seems to be hindered either by complexity of analysis or, in the opposite extreme, the trend toward limited-range analysis and correlations. The dissertation presents the derivation of basic conservation equations for the phases. The combined equations are used to examine the p… more
Date: March 1, 1984
Creator: Dickinson, D. A. & Maeder, P. F.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Thermophysical properties of working fluids for binary geothermal cycles. Final report

Description: The following are presented: thermodynamic properties of isobutane and isobutane-isopentane mixtures; a scaled fundamental equation for mixtures of isobutane and isopentane near gas-liquid critical line; and viscosities of hydrocarbons and their mixtures. (MHR)
Date: July 1, 1984
Creator: Diller, D.E.; Gallagher, J.S.; Kamgar-Parsi, B.; Morrison, G.; Levelt Sengers, J.M.H.; Sengers, J.V. et al.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Initial confinement studies of ohmically heated plasmas in the Tokamak Fusion Test Reactor

Description: Initial operation of the Tokamak Fusion Test Reactor (TFTR) has concentrated upon confinement studies of ohmically heated hydrogen and deuterium plasmas. Total energy confinement times (tau/sub E/) are 0.1 to 0.2 s for a line-average density range (anti n/sub e/) of 1 to 2.5 x 10/sup 19/ m/sup -3/ with electron temperatures of T/sub e/(o) approx. 1.2 to 2.2 keV, ion temperatures of T/sub i/(o) approx. 0.9 to 1.5 keV, and Z/sub eff/ approx. 3. A comparison of PLT, PDX, and TFTR plasma confinemen… more
Date: June 1, 1984
Creator: Efthimion, P. C.; Bell, M.; Blanchard, W. R.; Bretz, N.; Cecchi, J. L.; Coonrod, J. et al.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Perturbative corrections to university and renormalization group behaviour

Description: The influence of weak coupling corrections on tests of the universality of lattice actions is discussed. The two loop corrections described in this paper were performed using the background field method. An estimate is also provided of the perturbative corrections to asymptotic scaling for the Wilson action. Monte Carlo simulation of Lattice QCD is carried out at finite, large values of the bare coupling g, but the continuum limit of the theory corresponds to vanishing g. When extracting physic… more
Date: April 1, 1984
Creator: Ellis, R.K.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Energy confinement scaling in tokamaks: some implications of recent experiments with ohmic and strong auxiliary heating

Description: Recent results from confinement scaling experiments on tokamaks with ohmic and strong auxiliary heating are reviewed. An attempt is made to draw these results together into a low-density ohmic confinement scaling law, and a scaling law for confinement with auxiliary heating. The auxiliary heating confinement law may also serve to explain the saturation in tau/sub E/ vs anti n/sub e/ observed in some ohmic heating density scaling experiments.
Date: February 1, 1984
Creator: Goldston, R.J.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Recent results from TFTR

Description: During the past year, the research activities on TFTR have encompassed three broad areas. The first was to extend the operating range of TFTR. Plasma currents up to 1.5 MA were achieved in discharges with a = 0.83 m, R = 2.55 m at a toroidal field of 2.7 T. In these large plasmas, the maximum line average density was 3.35 x 10/sup 19/ m/sup -3/. The second activity was a study of the scaling of the energy confinement time, tau/sub E/, in ohmically heated discharges as a function of plasma curre… more
Date: May 1, 1984
Creator: Hawryluk, R. J.; Bell, M. G.; Bitter, M.; Blanchard, W. R.; Bretz, N.; Bush, C. et al.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Hydrogen vibrational population distributions and negative ion generation in tandem high-density hydrogen discharges

Description: The tandem high-density hydrogen negative-ion-source system is optimized to identify the largest possible ion concentrations and extracted ion currents. The optimization includes varying the length of the second chamber, varying neutral gas and electron densities, and varying the ratio of atomic to molecular density. Vibrational excitation occurs via high-energy electron excitation (E-V process) and H/sub 2//sup +/ surface neutralization (s-V process). These processes are considered separately … more
Date: December 3, 1984
Creator: Hiskes, J. R.; Karo, A. M. & Willmann, P. A.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Rare muon decays and lepton-family number conservation

Description: A brief historical survey of the discovery of the muon, interest in neutrinoless processes, and lepton-number conservation laws is given. The present view of lepton-number conservation laws and the search for ..mu.. ..-->.. e..gamma.. are described. Other experiments are discussed including ..mu../sup +/ ..-->.. e/sup +/e/sup +/e/sup -/ decay, ..mu../sup -/Z ..-->.. e/sup -/Z reactions, ..mu.. ..-->.. e ..gamma gamma.. decay, other rare muon processes, strangeness-changing muon-number-nonconser… more
Date: April 1, 1984
Creator: Hoffman, C. M.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

An Examination of The First Two Years of Implementation of the Texas Term Contract Nonrenewal Act at The State Agency Level

Description: Before the 1981 enactment of the Term Contract Nonrenewal Act in Texas, term contract teachers were entitled to a hearing only when the employment contract was terminated during the contract period or when the cause for nonrenewal was made public and had a stigmatizing effect on the reputational rights of the teacher. This new act has the effect of bridging the gap between what has been legal and what many would consider to be fundamentally fair in employment practices. The immediate impact of … more
Date: December 1984
Creator: Hooper, Don Wesley
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

Status of gyrotron developments at Varian Associates

Description: The status of gyrotrons developed by Varian for fusion heating applications will be briefly reviewed. Development work started in 1976 with the goal of 200 kW CW at 28 GHz. A more recent program was to develop 200 kW CW at 60 GHz. Pulsed and CW tubes produced by these programs will be briefly described and the scaling of these designs to other frequencies including 53, 56 and 70 GHz will be discussed. A 35 GHz design will also be described. Future efforts for gyrotrons at 120 and 140 GHz will a… more
Date: January 1, 1984
Creator: Jory, H.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
captions transcript

[News Clip: Abandoned baby]

Description: B-roll video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date: August 2, 1984
Duration: 52 seconds
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Item Type: Refine your search to only Video
Partner: UNT Libraries Special Collections
captions transcript

[News Clip: Abortion]

Description: Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date: January 22, 1984, 5:00 p.m.
Duration: 2 minutes 11 seconds
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Item Type: Refine your search to only Video
Partner: UNT Libraries Special Collections
captions transcript

[News Clip: Abortion issue]

Description: Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date: September 20, 1984, 6:00 p.m.
Duration: 1 minute 20 seconds
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Item Type: Refine your search to only Video
Partner: UNT Libraries Special Collections
captions transcript

[News Clip: Abuse]

Description: B-roll video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date: December 5, 1984
Duration: 1 minute 01 second
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Item Type: Refine your search to only Video
Partner: UNT Libraries Special Collections
captions transcript

[News Clip: ACORN]

Description: Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date: August 15, 1984
Duration: 1 minute 24 seconds
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Item Type: Refine your search to only Video
Partner: UNT Libraries Special Collections
captions transcript

[News Clip: ACORN]

Description: Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date: August 15, 1984
Duration: 1 minute 32 seconds
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Item Type: Refine your search to only Video
Partner: UNT Libraries Special Collections
captions transcript

[News Clip: Addison crash]

Description: Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date: October 18, 1984
Duration: 2 minutes 07 seconds
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Item Type: Refine your search to only Video
Partner: UNT Libraries Special Collections
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