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[Pamphlet: Alpha Kappa Alpha Sorority, Inc Salutes Black History Month Annual Song Fest]
Pamphlet containing information about the "Alpha Kappa Omega Chapter of Alpha Kappa Alpha Sorority, Inc Salutes Black History Month Annual Song Fest" taking place on February 19, 1989 at Trinity United Methodist Church in Houston.
Date:
February 1989
Creator:
Alpha Kappa Alpha Sorority
Object Type:
Pamphlet
System:
The Portal to Texas History
Destabilization of tokamak pressure-gradient driven instabilities by energetic alpha populations
Alpha particle populations can significantly alter existing MHD in stabilities in tokamaks through kinetic effects and coupling to otherwise stable shear Alfven waves. Here we consider resonances of the trapped alpha precessional drift with both the usual ballooning mode diamagnetic frequency ({omega}{sub *i}/2) and the toroidicity induced Alfven eigenmode (TAE). This is examined for noncircular tokamaks in the high-n ballooning limit using an isotropic alpha slowing down distribution and retaining the full energy and pitch angle dispersion in the alpha drift frequency. Applying this to CIT and ITER indicates that ballooning instabilities can persist at {Beta}'s below the ideal MHD threshold. These are especially dominated by the destabilization of the TAE mode. In addition, a hybrid fluid-particle approach for simulating alpha effects on pressure-gradient driven instabilities is described. 13 refs., 6 figs.
Date:
January 1, 1989
Creator:
Spong, D. A.; Holmes, J. A.; Leboeuf, J. N.; Christenson, P. J. & Michigan Univ., Ann Arbor, MI (USA). Dept. of Nuclear Engineering)
Object Type:
Article
System:
The UNT Digital Library
Nonambipolarity, orthogonal conductivity, poloidal flow, and torque
Nonambipolar processes, such as neutral injection onto trapped orbits or ripple-diffusion loss of ..cap alpha..-particles, act to charge a plasma. A current j/sub r/ across magnetic surfaces must arise in the bulk plasma to maintain charge neutrality. An axisymmetric, neoclassical model of the bulk plasma shows that these currents are carried by the ions and exert a j/sub r/B/sub theta/R/c torque in the toroidal direction. A driven poloidal flow V/sub theta/ = E/sub r/'c/B must also develop. The average current density <j/sub r/> is related to the radial electric field E/sub r/' = E/sub r/ + v/sub /phi//B/sub theta//c in a frame moving with the plasma via the orthogonal conductivity <j/sub r/> = sigma/sub /perpendicular//E/sub r/', which has the value sigma/sub /perpendicular// = (1.65epsilon/sup 1/2/)(ne/sup 2/..nu../sub ii//M..cap omega../sub theta//sup 2/) in the banana regime. If an ignited plasma loses an appreciable fraction ..delta.. of its thermonuclear ..cap alpha..-particles by banana ripple diffusion, then the torque will spin the plasma to sonic rotation in a time /tau//sub s/ approx. 2/tau//sub E//..delta.., /tau//sub E/ being the energy confinement time. 10 refs., 1 fig.
Date:
February 1, 1989
Creator:
Hulbert, G.W. & Perkins, F.W.
Object Type:
Report
System:
The UNT Digital Library
[Research in theoretical nuclear physics]. Progress report
Research in progress and plans for future investigations are summarized briefly for the following topics: microscopic cluster or resonating-group theory (multiconfiguration studies, effects of antisymmetrization in the nucleon-nucleus interaction, application to p + {alpha} bremsstrahlung), RPA ground state correlations, collisions of deformed nuclei, energy dependence of charge-pickup reactions, alpha-capture reactions in medium-weight nuclei, quantum hydrodynamic approach to nuclear matter, neutron stars and pulsars, transverse momentum distributions, intermittency and other correlations, photon and dilepton production, electroweak theory at high temperature, and fractional statistics.
Date:
December 31, 1989
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Shock recovery experiments: An assessment
Systematic shock recovery experiments, in which microstructural and mechanical property effects are characterized quantitatively, constitute an important means of increasing our understanding of shock processes. Through studies of the effects of variations in metallurgical and shock loading parameters on structure/property relationships, the micromechanisms of shock deformation, and how they differ from conventional strain rate processes, are beginning to emerge. This paper will highlight the state-of-the-art in shock recovery of metallic and ceramic materials. Techniques will be described which are utilized to ''soft'' recover shock-loaded metallic samples possessing low residual strain; crucial to accurate ''post-mortem'' metallurgical investigations of the influence of shock loading on material behavior. Illustrations of the influence of shock assembly design on the structure/property relationships in shock-recovered copper samples including such issues as residual strain and contact stresses, and their consequences are discussed. Shock recovery techniques used on brittle materials will be reviewed and discussed in light of recent experimental results. Finally, shock recovery structure/property results and VISAR data on the /alpha/--/omega/ shock-induced phase transition in titanium will be used to illustrate the beneficial link between shock recovery and ''real-time'' shock data. 26 refs., 3 figs.
Date:
January 1, 1989
Creator:
Gray, G. T., III
Object Type:
Article
System:
The UNT Digital Library
[Research in theoretical nuclear physics]. [School of Physics and Astronomy, Univ. of Minnesota]
Research in progress and plans for future investigations are summarized briefly for the following topics: microscopic cluster or resonating-group theory (multiconfiguration studies, effects of antisymmetrization in the nucleon-nucleus interaction, application to p + [alpha] bremsstrahlung), RPA ground state correlations, collisions of deformed nuclei, energy dependence of charge-pickup reactions, alpha-capture reactions in medium-weight nuclei, quantum hydrodynamic approach to nuclear matter, neutron stars and pulsars, transverse momentum distributions, intermittency and other correlations, photon and dilepton production, electroweak theory at high temperature, and fractional statistics.
Date:
January 1, 1989
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
The high-density Z-pinch as a pulsed fusion neutron source for fusion nuclear technology and materials testing
The dense Z-pinch (DZP) is one of the earliest and simplest plasma heating and confinement schemes. Recent experimental advances based on plasma initiation from hair-like (10s ..mu..m in radius) solid hydrogen filaments have so far not encountered the usually devastating MHD instabilities that plagued early DZP experiments. These encouraging results along with debt of a number of proof-of principle, high-current (1--2 MA in 10--100 ns) experiments have prompted consideration of the DZP as a pulsed source of DT fusion neutrons of sufficient strength (/dot S//sub N/ greater than or equal to 10/sup 19/ n/s) to provide uncollided neutron fluxes in excess of I/sub ..omega../ = 5--10 MW/m/sup 2/ over test volumes of 10--30 litre or greater. While this neutron source would be pulsed (100s ns pulse widths, 10--100 Hz pulse rate), giving flux time compressions in the range 10/sup 5/--10/sup 6/, its simplicity, near-time feasibility, low cost, high-Q operation, and relevance to fusion systems that may provide a pulsed commercial end-product (e.g., inertial confinement or the DZP itself) together create the impetus for preliminary considerations as a neutron source for fusion nuclear technology and materials testings. The results of a preliminary parametric systems study (focusing primarily on physics issues), conceptual …
Date:
January 1, 1989
Creator:
Krakowski, R. A.; Sethian, J. D. & Hagenson, R. L.
Object Type:
Article
System:
The UNT Digital Library
The Wynnewood Gazette (Wynnewood, Okla.), Vol. 87, No. 15, Ed. 1 Thursday, July 20, 1989
Weekly newspaper from Wynnewood, Oklahoma that includes local, state, and national news along with advertising.
Date:
July 20, 1989
Creator:
Golden, Larry D.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Totem, Yearbook of McMurry College, 1989
Yearbook for McMurry College in Abilene, Texas includes photos of and information about the college, student body, professors, and organizations. Name and organization index starts on page 214.
Date:
1989
Creator:
McMurry College
Object Type:
Yearbook
System:
The Portal to Texas History
The Rattler (San Antonio, Tex.), Vol. 75, No. 4, Ed. 1 Tuesday, October 31, 1989
Biweekly student newspaper from St. Mary's University in San Antonio, Texas that includes campus news along with advertising.
Date:
October 31, 1989
Creator:
St. Mary's University (San Antonio, Tex.)
Object Type:
Newspaper
System:
The Portal to Texas History
The Bronco, Yearbook of Hardin-Simmons University, 1989
Yearbook for Hardin-Simmons University in Abilene, Texas includes photos of and information about the university, student body, professors, and organizations.
Date:
1989
Creator:
Hardin-Simmons University
Object Type:
Yearbook
System:
The Portal to Texas History
University Press (Beaumont, Tex.), Vol. 66, No. 8, Ed. 1 Friday, September 22, 1989
Semiweekly newspaper from Lamar University in Beaumont, Texas that includes local, national, and campus news along with advertising.
Date:
September 22, 1989
Creator:
Murley, Bryan
Object Type:
Newspaper
System:
The Portal to Texas History
Ram's Horn, Yearbook of Texas Wesleyan University, 1989
Yearbook for Texas Wesleyan University in Fort Worth, Texas, which includes photographs of and information about the school, administration, student body, faculty, and organizations.
Date:
1989
Creator:
Texas Wesleyan University
Object Type:
Yearbook
System:
The Portal to Texas History
Range Rider, Volume 40, Number 4, Winter 1989
The Hardin-Simmons alumni newsletter includes information regarding events at the school and news about university students, staff, and alumni.
Date:
1989
Creator:
Hardin-Simmons University
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
The Megaphone (Georgetown, Tex.), Vol. 83, No. 14, Ed. 1 Thursday, January 19, 1989
Weekly student newspaper from Southwestern University in Georgetown, Texas that includes campus news along with advertising.
Date:
January 19, 1989
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The J-TAC (Stephenville, Tex.), Ed. 1 Thursday, February 9, 1989
Weekly student newspaper from Tarleton State University in Stephenville, Texas that includes local, state and campus news along with advertising.
Date:
February 9, 1989
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Oklahoma Daily (Norman, Okla.), Vol. 74, No. 47, Ed. 1 Wednesday, October 25, 1989
Student newspaper of the University of Oklahoma in Norman, Oklahoma that includes national, local, and campus news along with advertising.
Date:
October 25, 1989
Creator:
Simmons, Brook
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Yellow Jacket (Brownwood, Tex.), Vol. 77, No. 1, Ed. 1, Friday, September 8, 1989
Weekly student newspaper from Howard Payne University in Brownwood, Texas that includes local, state and campus news along with advertising.
Date:
September 8, 1989
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Rambler (Fort Worth, Tex.), Vol. 64, No. 13, Ed. 1 Thursday, February 16, 1989
Weekly student newspaper from Texas Wesleyan University in Fort Worth, Texas that includes campus and local news along with advertising.
Date:
February 16, 1989
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Oklahoma Daily (Norman, Okla.), Vol. 73, No. 156, Ed. 1 Friday, April 21, 1989
Student newspaper of the University of Oklahoma in Norman, Oklahoma that includes national, local, and campus news along with advertising.
Date:
April 21, 1989
Creator:
Whitmire, Ron
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Oklahoma Daily (Norman, Okla.), Vol. 73, No. 123, Ed. 1 Wednesday, March 1, 1989
Student newspaper of the University of Oklahoma in Norman, Oklahoma that includes national, local, and campus news along with advertising.
Date:
March 1, 1989
Creator:
Whitmire, Ron
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
San Antonio Register (San Antonio, Tex.), Vol. 57, No. 39, Ed. 1 Thursday, January 5, 1989
Weekly newspaper from San Antonio, Texas that includes local, state, and national news along with advertising.
Date:
January 5, 1989
Creator:
Glosson, Edwin
Object Type:
Newspaper
System:
The Portal to Texas History
The Optimist (Abilene, Tex.), Vol. 77, No. 33, Ed. 1, Friday, January 27, 1989
Bi-weekly student newspaper from Abilene Christian University in Abilene, Texas that includes local, state and campus news along with advertising.
Date:
January 27, 1989
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Grassburr, Yearbook of Tarleton State University, 1989
Yearbook for Tarleton State University in Stephenville, Texas includes photos of and information about the school, student body, professors, and organizations. Index starts on page 224.
Date:
Spring 1989
Creator:
Tarleton State University
Object Type:
Yearbook
System:
The Portal to Texas History