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348 Matching Results
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Altus Times (Altus, Okla.), Vol. 90, No. 232, Ed. 1 Monday, December 10, 1990
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
December 10, 1990
Creator:
Lomenick, Rick
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
B-physics at CDF
During the 1988/1989 run at the Fermilab Tevatron, the CDF detector collected {approx equal}4.1 pb{sup {minus}1} of p{bar p} data at {radical}s = 1.8 TeV. The main goals of this run being physics at high p{sub t}, the CDF trigger was tuned'' for maximizing signals from Z{sup 0}s, Ws, t-quarks, etc. As such, compared to the high p{sub t} physics, the b-physics program was of secondary importance other than that which would be used for background calculations. Also, CDF had no vertex chamber capability for seeing displaced vertices. However, significant b-quark, physics results are evident in two data samples; inclusive electrons and inclusive J/{psi} where J/{psi} {yields} {mu}{sup +}{mu}{sup {minus}}. We can then ask ourselves, given all this, why is it that CDF is able to do b-quark physics The answer is that nature has been kind enough to provide b-quarks at an extremely high rate at the Tevatron. The production cross-section for b{bar b} production is quite large. In the rest of this paper, I will try to specify the goals for b-physics using the inclusive electrons and J/{psi} signals for the 1988/1989 data set. I will then provide a brief look at the data, and will finish with …
Date:
December 10, 1990
Creator:
Baden, A.R. (Harvard Univ., Cambridge, MA (USA))
Object Type:
Article
System:
The UNT Digital Library
The Bastrop Advertiser (Bastrop, Tex.), Ed. 1 Monday, December 10, 1990
Semi-weekly newspaper from Bastrop, Texas that includes local, state, and national news along with extensive advertising.
Date:
December 10, 1990
Creator:
McAuley, Davis
Object Type:
Newspaper
System:
The Portal to Texas History
The Baytown Sun (Baytown, Tex.), Vol. 68, No. 347, Ed. 1 Monday, December 10, 1990
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
December 10, 1990
Creator:
Brown, Leon
Object Type:
Newspaper
System:
The Portal to Texas History
[Bigler Family Videos, No. 6 - Christmas Holiday 1990]
This home movie footage excerpt includes footage of the family Christmas tree and baby Christopher talking about Santa Claus and telling his mom what he wants for Christmas.
Date:
December 10, 1990
Creator:
Bigler
Object Type:
Video
System:
The Portal to Texas History
Burleson Star (Burleson, Tex.), Vol. 26, No. 27, Ed. 1 Monday, December 10, 1990
Tri-weekly newspaper from Burleson, Texas that includes local, state, and national news along with advertising.
Date:
December 10, 1990
Creator:
Moody, James
Object Type:
Newspaper
System:
The Portal to Texas History
Characterization of the plasma-switch interaction in the LBL HIF ion source
A new way to characterize the performance of the LBL HIF ion source has been found. In the LBL source, ions are drawn from an arc-generated plasma reservoir in which the electrons are confined by a negative-biased switch'' mesh. Stagnation of the plasma is prevented by absorption of the excess ion flow on this mesh. The ion beam is generated by an external negative voltage that provides Child-Langmuir extraction of the ions through the switch mesh. We elucidate the physics requirements of the source and deduce switch mesh parameters needed for successful operation. 2 refs., 2 figs.
Date:
December 10, 1990
Creator:
Hewett, D.W. (Lawrence Livermore National Lab., CA (USA)) & Rutkowski, H.L. (Lawrence Berkeley Lab., CA (USA))
Object Type:
Article
System:
The UNT Digital Library
Chickasha Daily Express (Chickasha, Okla.), Vol. 99, No. 234, Ed. 1 Monday, December 10, 1990
Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date:
December 10, 1990
Creator:
Plummer, George
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
[Clipping: Gays state face off in court today]
Newspaper clippings about the challenge to Texas Penal Code 21.06.
Date:
December 10, 1990
Creator:
Montgomery, Lori
Object Type:
Clipping
System:
The UNT Digital Library
[Clipping: Sodomy law faces court challenge: Trial of suit scheduled to begin today in Austin]
Newspaper clippings about the challenge to the sodomy law in Texas Penal Code 21.06.
Date:
December 10, 1990
Creator:
Camia, Catalina
Object Type:
Clipping
System:
The UNT Digital Library
Dynamics and pattern selection at the crystal-melt interface
This paper discusses dendritic sidebranching; anisotropic surface tension; light scattering at the crystal-melt interface; and succinonitrite-dye mixtures.
Date:
December 10, 1990
Creator:
Cummins, H. Z.
Object Type:
Report
System:
The UNT Digital Library
Hilltop Views (Austin, Tex.), Vol. 5, No. 7, Ed. 1 Monday, December 10, 1990
Biweekly student newspaper from St. Edward's University in Austin, Texas that includes news and information of interest to the college community along with advertising.
Date:
December 10, 1990
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Indirect fluorometric detection techniques on thin layer chromatography and effect of ultrasound on gel electrophoresis
Thin-layer chromatography (TLC) is a broadly applicable separation technique. It offers many advantages over high performance liquid chromatography (HPLC), such as easily adapted for two-dimensional separation, for whole-column'' detection and for handling multiple samples, etc. However, due to its draggy development of detection techniques comparing with HPLC, TLC has not received the attention it deserves. Therefore, exploring new detection techniques is very important to the development of TLC. It is the principal of this dissertation to present a new detection method for TLC -- indirect fluorometric detection method. This detection technique is universal sensitive, nondestructive, and simple. This will be described in detail from Sections 1 through Section 5. Section 1 and 3 describe the indirect fluorometric detection of anions and nonelectrolytes in TLC. In Section 2, a detection method for cations based on fluorescence quenching of ethidium bromide is presented. In Section 4, a simple and interesting TLC experiment is designed, three different fluorescence detection principles are used for the determination of caffeine, saccharin and sodium benzoate in beverages. A laser-based indirect fluorometric detection technique in TLC is developed in Section 5. Section 6 is totally different from Sections 1 through 5. An ultrasonic effect on the separation of …
Date:
December 10, 1990
Creator:
Yinfa, Ma.
Object Type:
Report
System:
The UNT Digital Library
Jacksboro Gazette-News (Jacksboro, Tex.), Vol. 110, No. 32, Ed. 1 Monday, December 10, 1990
Weekly newspaper from Jacksboro, Texas that includes local, state, and national news along with extensive advertising.
Date:
December 10, 1990
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
[Letter Jack Davis to Jim Muro, December 10, 1990]
A letter from Jack Davis, co-director of North Texas Institute for Educators on the Visual Arts to colleague, James "Jim" J. Muro. In the letter Davis says that he has received a letter from Leland C. Clemons, Executive Vice President for the NCNB Texas in Fort Worth with a check for $77,870 from the Crystelle Waggoner Trust to be put into the Unrestricted gift account. Enclosed with the letter to Muro is the letter from Clemons to Davis.
Date:
December 10, 1990
Creator:
Davis, Donald Jack
Object Type:
Letter
System:
The UNT Digital Library
Mechanistic studies on reactivities of organometallic macrocyclic complexes of chromium and cobalt
Reaction pathways leading to the formation and cleavage of a transition metal-carbon bond at various oxidation states of the metal occupy a central position in understanding many enzymatic reactions and designing catalysts. The report is divided into six parts that (1) focus on the homolysis vs heterolysis of a C-Cr(III) bond, (2) describes a unique chain reaction and a S{sub E}2 reaction I{sub 2} and RCrL{sup 2+}, (3) concerns the oxidation of organochromium(III) complexes by dihalide and pseudo-dihalide radical anions generated by pulse radiolysis, (4) concentrates on the oxidation mechanism of RCr(H{sub 2}O){sup 2+} and the fate of RCr(H{sub 2}O){sup 3+} as well as the corresponding reduction potentials, (5) extends study of organocobalt complexes with attention to reduction induced cleavages of a transition metal-carbon bond, and (6) describes the crystallization of ((CH{sub 3}){sub 4}N)(Co(dmgBF{sub 2}){sub 2}py) and reports its molecular structure as determined by x-ray diffraction. 182 refs., 25 figs., 16 tabs. (BM)
Date:
December 10, 1990
Creator:
Shi, Shu.
Object Type:
Report
System:
The UNT Digital Library
[News Clip: 14-1 FOLO]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
December 10, 1990, 6:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: 14-1 FOLO]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
December 10, 1990, 6:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Dixon Jury]
B-roll video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
December 10, 1990, 5:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: DWI Judge]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
December 10, 1990, 6:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: MADD Vigil]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas to accompany a news story. This story aired at 10pm.
Date:
December 10, 1990, 10:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Price Charges]
B-roll video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
December 10, 1990, 5:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Recycling]
B-roll video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
December 10, 1990, 6:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Vet Groundbreaking]
Video footage from the NBC 5/KXAS station in Fort Worth, Texas, to accompany a news story about the groundbreaking on a veteran's clinic in Fort Worth, Texas. This story was produced for the 5:00 P.M. news broadcast.
Date:
December 10, 1990, 5:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library