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28,791 Matching Results

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(open access)

ACTVE News, Volume 7, Number 4, April 1976

Newsletter issued by the Advisory Council for Technical-Vocational Education in Texas discussing news, events, and other relevant information related to technical and vocational education for adults in Texas.

Date: April 1976

Creator: Advisory Council for Technical-Vocational Education in Texas

Object Type: Journal/Magazine/Newsletter

System: The Portal to Texas History

(open access)

ACTVE News, Volume 7, Number 5, May 1976

Date: May 1976

Creator: Advisory Council for Technical-Vocational Education in Texas

Object Type: Journal/Magazine/Newsletter

System: The Portal to Texas History

(open access)

ACTVE News, Volume 7, Number 6, June 1976

Date: June 1976

Creator: Advisory Council for Technical-Vocational Education in Texas

Object Type: Journal/Magazine/Newsletter

System: The Portal to Texas History

(open access)

ACTVE News, Volume 7, Number 7, July 1976

Date: July 1976

Creator: Advisory Council for Technical-Vocational Education in Texas

Object Type: Journal/Magazine/Newsletter

System: The Portal to Texas History

(open access)

ACTVE News, Volume 7, Number 8, August 1976

Date: August 1976

Creator: Advisory Council for Technical-Vocational Education in Texas

Object Type: Journal/Magazine/Newsletter

System: The Portal to Texas History

(open access)

ACTVE News, Volume 7, Number 9, September 1976

Date: September 1976

Creator: Advisory Council for Technical-Vocational Education in Texas

Object Type: Journal/Magazine/Newsletter

System: The Portal to Texas History

(open access)

ACTVE News, Volume 7, Number 10, October 1976

Date: October 1976

Creator: Advisory Council for Technical-Vocational Education in Texas

Object Type: Journal/Magazine/Newsletter

System: The Portal to Texas History

(open access)

ACTVE News, Volume 7, Number 11, November 1976

Date: November 1976

Creator: Advisory Council for Technical-Vocational Education in Texas

Object Type: Journal/Magazine/Newsletter

System: The Portal to Texas History

(open access)

ACTVE News, Volume 7, Number 12, December 1976

Date: December 1976

Creator: Advisory Council for Technical-Vocational Education in Texas

Object Type: Journal/Magazine/Newsletter

System: The Portal to Texas History

(open access)

[Proceedings of ACTVE Impact Conferences: February 3-March 4, 1976]

Proceedings of the Advisory Council for Technical-Vocational Education in Texas' 1976 Impact Conferences held from February 3 to March 4 in 19 locations around the state, including survey results, key concerns for the year, and summaries of each conference.

Date: June 1976

Creator: Advisory Council for Technical-Vocational Education in Texas

Object Type: Book

System: The Portal to Texas History

(open access)

Radiation-enhanced precipitation in a V-10 wt % Ti alloy

A V-10 wt % Ti alloy was irradiated with 2.7 MeV /sup 51/V/sup +/ at 650/sup 0/C to doses of 2 to 60 dpa. No void swelling was observed at any dose. The irradiation resulted in an enhancement of a precipitation process similar to that observed in unirradiated materials. The precipitates in irradiated specimens were found to have the NaCl-type cubic crystal structure with a lattice parameter of TiO. The orientation relationship between the matrix and the precipitates was the same as that observed under thermal equilibrium conditions in unirradiated materials.

Date: January 1, 1976

Creator: Agarwal, S. C. & Taylor, A.

Object Type: Article

System: The UNT Digital Library

(open access)

Effects of interstitial solutes on the microstructures of self-ion irradiated vanadium

Vanadium and vanadium containing 0.1 percent C, 0.4 percent C, 1.0 percent N, and 1.0 percent O were irradiated with 3-MeV /sup 51/V/sup +/ ions in the temperature range 650 to 880/sup 0/C to a dose level of approximately 20 dpa. The results show that nitrogen is most effective in controlling the void swelling. Carbon and oxygen also suppress the swelling considerably when compared with unalloyed vanadium. Except for V-1.0 percent N, all compositions exhibit a fine platelet precipitate with (012) habit at 650/sup 0/C. In the case of vanadium-carbon alloys, this phase persisted even at higher temperatures. Vanadium and V-1.0 percent O showed fine precipitation on dislocations and void surfaces at 880/sup 0/C. V-0.1 percent C exhibited a metastable (013) carbide precipitate at 880/sup 0/C, whereas V-0.4 percent C showed equilibrium V/sub 2/C phase with some (012) precipitates. This (012) precipitation was irradiation induced and was dependent upon the carbon concentration. V-1.0 percent N did not show any evidence of precipitation over the entire temperature range.

Date: January 1, 1976

Creator: Agarwal, S. C.; Potter, D. I. & Taylor, A.

Object Type: Article

System: The UNT Digital Library

(open access)

Critical properties of a simple spin glass model

The Mattis spin glass model is described as following from a particular quenched random solid solution picture, and its zero-field properties are discussed. The random field model is reviewed. The application to the spin glass problem is made and the more general scaling theory presented, and the limitations of the model are discussed. (GHT)

Date: January 1, 1976

Creator: Aharony, A. & Imry, Y.

Object Type: Article

System: The UNT Digital Library

(open access)

A Survey of Foreign Indebtedness to the United States

This report is about a Survey of Foreign Indebtedness to the United States

Date: April 21, 1976

Creator: Ahearn, Raymond

Object Type: Report

System: The UNT Digital Library

(open access)

Plasma experiments with 1. 06-. mu. m lasers at the Lawrence Livermore Laboratory

Recent laser fusion experiments at the Lawrence Livermore Laboratory have provided basic data concerning: laser beam propagation and absorption in high temperature plasmas, electron energy transport processes that transfer the absorbed laser energy to the high-density ablation region, the general fluid dynamic expansion and compression of the heated plasma, and the processes responsible for the production of 14-MeV neutrons during implosion experiments. Irradiation experiments were performed with Nd:YAG glass laser systems: the two-beam Janus (less than or equal to40 J/100 ps, approx.0.4 TW) and Argus (less than or equal to140 J, 35 ps, approx.4 TW), and the single beam Cyclops (less than or equal to70 J/100 ps, approx.0.7 TW). Two classes of targets have been used: glass microshells (approx.40 to 120 ..mu..m in diameter with approx.0.75-..mu..m-thick walls) filled with an equimolar deuterium-tritium mixture, and disks (approx.160 to 600 ..mu..m in diameter and approx. 10 ..mu..m thick) of several compositions. The targets were supported in vacuum (pressure less than or equal to10/sup -5/ Torr) by thin glass stalks. This paper reports on results related to the propagation, absorption, and scattering of laser light by both spherical and planar targets.

Date: December 20, 1976

Creator: Ahlstrom, H. G.; Holzrichter, J. F.; Manes, K. R.; Storm, E. K.; Boyle, M. J.; Brooks, K. M. et al.

Object Type: Article

System: The UNT Digital Library

(open access)

Plasma experiments with 1. 06. mu. m lasers at the Lawrence Livermore Laboratory

Irradiation experiments were performed with the two beam Nd:YAG glass laser systems, Janus(approximately less than 40 J/100 psec, approximately 0.4 TW), Cyclops (approximately less than 70 J/100 psec, approximately 0.7 TW), and Argus (approximately less than 70 J, 35 psec, approximately 2 TW). Two classes of targets have been used, glass microshells (approximately 40 to 120 ..mu..m diameter x approximately 0.75 ..mu..m wall thickness) filled with an equimolar DT mixture and disks (approximately 160 to 600 ..mu..m diameter x approximately 10 ..mu..m thick) of several compositions. The targets were supported in vacuum (pressure approximately less than 10/sup -5/ Torr) by thin glass stalks. This paper reports results related to the propagation, absorption and scattering of laser light by both spherical and planar targets. The absorption measurements cannot be explained using only inverse Bremsstrahlung. The scattered light and the plasma energy are polarization dependent, which is evidence of resonance absorption. The x-ray spectra are characterized by a thermal and a suprathermal distribution. The ''temperature'' of the hot x-rays is given by theta/sub H/ approximately equals I./sup 3/-./sup 4/ depending on the target material. Evidence is also presented which indicates that the laser radiation pressure is producing density steepening in the region …

Date: September 19, 1976

Creator: Ahlstrom, H. G.; Holzrichter, J. F.; Manes, K. R.; Storm, E. K.; Haas, R. A.; Phillion, D. W. et al.

Object Type: Article

System: The UNT Digital Library

(open access)

Transport modeling in the environment using the discrete-parcel-random-walk approach

When formulating a mathematical model for simulating transport processes in the environment, the system of interest can be viewed as a continuum of matter and energy or as a large set of small discrete parcels of mass and energy. The latter approach is used in the formulation of the Discrete-Parcel-Random-Walk (DPRW) Transport Model. Each parcel has associated with it a set of spatial coordinates as well as a set of discrete quantities of mass and energy. A parcel's movement is assumed to be independent of any other parcel in the system. A Lagrangian scheme is used for computing the parcel advection and a Markov random walk concept is used for simulating the parcel diffusion and dispersion. The DPRW technique is not subject to numerical dispersion and it can be applied to three-dimensional cases with only a linear increase in computation time. A wide variety of complex source/sink terms can be included in the model with relative ease. Examples of the model's application in the areas of oil spill drift forecasting, coastal power plant effluent analysis, and solute transport in groundwater systems are presented.

Date: April 1, 1976

Creator: Ahlstrom, S. W. & Foote, H. P.

Object Type: Article

System: The UNT Digital Library

(open access)

A study of economic development and the formulation of a simulation model of the economy of Iran

The purpose of this dissertation was to study the economic development in Iran during its major planning periods and also to formulate a mathematical model of the economy of Iran and explore the applicability of an income expenditure model in a developing nation such as Iran.

Date: August 1976

Creator: Ahmadi, Mohammad

Object Type: Thesis or Dissertation

System: The UNT Digital Library

(open access)

Numerical Integration of Large Deflection Elastic-Plastic Axisymmetric Shells of Revolution

The improvement in the method of large deflection elastic-plastic analysis of shells and other structures appears to have continued interest. With the development in this work an improved numerical suppression scheme is now available for the large deflection elastic-plastic analysis of axisymmetric shells of revolution subjected to symmetric loadings. Quasi-linearization of Sander's non-linear shell equations is presented for the first time. With these quasi-linearized equations the suppression scheme has been developed to solve non-linear boundary-value problems. This suppression scheme has been used in conjunction with a Newton-Raphson method to improve a stable convergence process at the yield surface in elastic-plastic problems. Results presented indicate the accuracy of this numerical scheme. It appears to be possible to extend this method for more complicated situations.

Date: December 1976

Creator: Ahmed, Habib Uddin

Object Type: Report

System: The UNT Digital Library

[Photograph 2012.201.B0396.0492]

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Midwest City High School band members rest on OCU lawn during break in music competition. Eight area high school bands received superior rating Thursday after the first day of competition in the district music contest sponsored by the Oklahoma City University School of Music."

Date: March 16, 1976

Creator: Aker, Joe

Object Type: Photograph

System: The Gateway to Oklahoma History

[Photograph 2012.201.B0403.0531]

Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "MEMORIAL WREATH rests at base of USS Oklahoma anchor in downtown Oklahoma City during brief service Saturday."

Date: May 1, 1976

Creator: Aker, Joe

Object Type: Photograph

System: The Gateway to Oklahoma History

[Photograph 2012.201.B1122.0272]

Photograph used for a story in the Oklahoma Times newspaper.

Date: March 19, 1976

Creator: Aker, Joe

Object Type: Photograph

System: The Gateway to Oklahoma History

$Seismological investigation of crack formation in hydraulic rock fracturing experiments and in natural geothermal environments. Progress report, September 1, 1975--August 31, 1976$ (open access)

Seismological investigation of crack formation in hydraulic rock fracturing experiments and in natural geothermal environments. Progress report, September 1, 1975--August 31, 1976

A variety of new seismological methods is being developed for determining the structure of a geothermal energy source region. In one approach, seismic signals generated in the source region are utilized by interpreting them in terms of the parameters of a seismic source model. For example, using a fluid-filled tensile crack driven by excess pressure in fluid as a model of volcanic tremor, formulas are derived which relate seismic observations with model parameters, and applied the formulas successfully to an actual eruption in Kilauea, giving a new insight to the magma transport in a volcano. Theoretical work is continued on the diffraction of seismic waves by a crack and it was demonstrated that the size and location of a crack can be well determined by particle motion near the crack at various frequencies. The method was applied to Kilauea Iki and the location of the magma lens was found to be in agreement with that estimated by another method. An extensive field experiment in Kilauea Iki was carried out with the cooperation of USGS and SANDIA, and interesting properties of the magma reservoir were revealed by a multiple use of active, passive, conventional, and unconventional seismic methods. The self-contained, digital …

Date: September 1, 1976

Creator: Aki, K.

Object Type: Report

System: The UNT Digital Library

(open access)

[Letter from Alma Akire to Manuel Gonzales - 1976-06-18]

Letter from Alma Akire to Manuel Gonzales, League of United Latin American Citizens National Presdient, dated June 18, 1976. The letter indicates attachment of a letter from Morris Herring of Banco Internacional. The letter from Herring is directed to the Honorable John J. Rhodes, Minority Leader of the House of Representatives. This letter, dated May 18, 1976, refers to an enclosed article and requests that Rhodes assist Banco Internacional in receiving repayment from LULAC.

Date: June 18, 1976

Creator: Akire, Alma & Herring, Morris

Object Type: Letter

System: The Portal to Texas History

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