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96
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41
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Advanced microinstrumentation for rapid DNA sequencing and large DNA fragment separation
Our efforts to develop novel technology for a rapid DNA sequencer and large fragment analysis system based upon gel electrophoresis are described. We are using microfabrication technology to build dense arrays of high speed micro electrophoresis lanes that will ultimately increase the sequencing rate of DNA by at least 100 times the rate of current sequencers. We have demonstrated high resolution DNA fragment separation needed for sequencing in polyacrylamide microgels formed in glass microchannels. We have built prototype arrays of microchannels having up to 48 channels. Significant progress has also been made in developing a sensitive fluorescence detection system based upon a confocal microscope design that will enable the diagnostics and detection of DNA fragments in ultrathin microchannel gels. Development of a rapid DNA sequencer and fragment analysis system will have a major impact on future DNA instrumentation used in clinical, molecular and forensic analysis of DNA fragments.
Date:
January 25, 1995
Creator:
Balch, J.; Davidson, J.; Brewer, L.; Gingrich, J.; Koo, J.; Mariella, R. et al.
Object Type:
Report
System:
The UNT Digital Library
Altus Times (Altus, Okla.), Vol. 94, No. 272, Ed. 1 Wednesday, January 25, 1995
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
January 25, 1995
Creator:
Lomenick, Rick
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Alvin Advertiser (Alvin, Tex.), Ed. 1 Wednesday, January 25, 1995
Weekly newspaper from Alvin, Texas that includes local, state, and national news along with advertising.
Date:
January 25, 1995
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Aransas Pass Progress (Aransas Pass, Tex.), Vol. 86, No. 49, Ed. 1 Wednesday, January 25, 1995
Weekly newspaper from Aransas Pass, Texas that includes local, state, and national news along with advertising.
Date:
January 25, 1995
Creator:
Cole, Mary
Object Type:
Newspaper
System:
The Portal to Texas History
The Baytown Sun (Baytown, Tex.), Vol. 73, No. 74, Ed. 1 Wednesday, January 25, 1995
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
January 25, 1995
Creator:
Dobbs, Gary
Object Type:
Newspaper
System:
The Portal to Texas History
The Boerne Star (Boerne, Tex.), Vol. 91, No. 4, Ed. 1 Wednesday, January 25, 1995
Weekly newspaper from Boerne, Texas that includes local, state, and national news along with advertising.
Date:
January 25, 1995
Creator:
Aldridge, Leon
Object Type:
Newspaper
System:
The Portal to Texas History
CENRTC Project {number_sign}2F3EOA, OCB A-376, acceptance test procedure
This test procedure provides the steps necessary to verify correct functional operation of controls, annunciators, alarms, protective relays and related systems impacted by CENRTC {number_sign}2F3E0A, Microwave Transfer Trip Project, modification work performed under work package 6B-93-00041/M. This procedure separates three tests into separate sections: energization of A-376 duplex panel and circuits; SCADA tests; and A-376 local trip tests.
Date:
January 25, 1995
Creator:
Akerson, A. W.
Object Type:
Report
System:
The UNT Digital Library
Chickasha Daily Express (Chickasha, Okla.), Vol. 104, No. 271, Ed. 1 Wednesday, January 25, 1995
Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date:
January 25, 1995
Creator:
Bush, Kent
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Chickasha Star (Chickasha, Okla.), Vol. 93, No. 62, Ed. 1 Wednesday, January 25, 1995
Semiweekly newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date:
January 25, 1995
Creator:
unknown
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Clifton Record (Clifton, Tex.), Vol. 100, No. 4, Ed. 1 Wednesday, January 25, 1995
Weekly newspaper from Clifton, Texas that includes local, state, and national news along with advertising.
Date:
January 25, 1995
Creator:
Smith, W. Leon
Object Type:
Newspaper
System:
The Portal to Texas History
The Collegian (Hurst, Tex.), Vol. 7, No. 15, Ed. 1 Wednesday, January 25, 1995
Weekly student newspaper published in Hurst, Texas serving the Tarrant County Junior College District that includes school news and information along with advertising.
Date:
January 25, 1995
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Colony Leader (The Colony, Tex.), Vol. 14, No. 10, Ed. 1 Wednesday, January 25, 1995
Weekly newspaper from The Colony, Texas that includes local, state, and national news along with advertising.
Date:
January 25, 1995
Creator:
Watterson, Tim
Object Type:
Newspaper
System:
The Portal to Texas History
[Comprehensive Application: Robert B. Toulouse School of Graduate Studies, UNT]
A meticulously completed application form submitted to the Robert B. Toulouse School of Graduate Studies at the University of North Texas (UNT).
Date:
January 25, 1995
Creator:
unknown
Object Type:
Text
System:
The UNT Digital Library
Copper-diamond composite substrates for electronic components
High-power density electronic components such as fast microprocessors and power semiconductors are often limited by inability to keep the device junctions below their max rated operating temperature. Present high power multichip module and single chip package designs use substrate materials such as Si nitride or copper tungsten with thermal conductivity in the range of 200 W/m{center_dot}K. We have developed a copper-diamond composite (Dymalloy) with a thermal conductivity of 420 W/m{center_dot}K, better than Cu, and an adjustable thermal expansion coefficient (TCE=5.5 ppM/C at 25 C), compatible with Si and GaAs. Because of the matched TCE, it is possible to use low thermal resistance hard die attach methods. The mechanical properties of the composite also make it attractive as an electronic component substrate material.
Date:
January 25, 1995
Creator:
Davidson, H.L.; Colella, N.J.; Kerns, J.A. & Makowiecki, D.
Object Type:
Article
System:
The UNT Digital Library
Crystalline Beams in Circular Accelerators
None
Date:
January 25, 1995
Creator:
Wei, J.; Li, X. P. & Sessler, A. M.
Object Type:
Report
System:
The UNT Digital Library
Duval County Picture (San Diego, Tex.), Vol. 10, No. 4, Ed. 1 Wednesday, January 25, 1995
Weekly newspaper from San Diego, Texas that includes local, state, and national news along with advertising.
Date:
January 25, 1995
Creator:
Cardenas, Alfredo E.
Object Type:
Newspaper
System:
The Portal to Texas History
The effect of chemical composition on the PCT durability of mixed waste glasses from wastewater treatment sludges
An experimental program has been designed to examine the chemical durability of glass compositions derived from the vitrification of simulated wastewater treatment sludges. These sludges represent the majority of low-level mixed wastes currently in need of treatment by the US DOE. The major oxides in these model glasses included SiO{sub 2}, Al{sub 2}O{sub 3}, B{sub 2}O{sub 3}, Na{sub 2}O, CaO and Fe{sub 2}O{sub 3}. In addition, three minor oxides, BaO, NiO, and PbO, were added as hazardous metals. The major oxides were each varied at two levels resulting in 32 experimental glasses. The chemical durability was measured by the 7-Day Product Consistency Test (PCT). The normalized sodium release rates (NRR{sub Na}) of these glasses ranged from 0.01 to 4.99 g/m{sup 2}. The molar ratio of the glass-former to glass-modifier (F/M) was found to have the greatest effect on PCT durability. Glass-formers included SiO{sub 2}, Al{sub 2}O{sub 3}, and B{sub 2}O{sub 3}, while Na{sub 2}O, CaO, BaO, NiO, and PbO were glass-modifiers. As this ratio increased from 0.75 to 2.0, NRR{sub Na} was found to decrease between one and two orders of magnitude. Another important effect on NRR{sub Na} was the Na{sub 2}O/CaO ratio. As this ratio increased from 0.5 to …
Date:
January 25, 1995
Creator:
Resce, James L.; Ragsdale, R. Giles; Overcamp, Thomas J.; Bickford, Dennis F. & Cicero, Connie A.
Object Type:
Article
System:
The UNT Digital Library
Engineering development of advanced physical fine coal cleaning for premium fuel applications. Quarterly technical progress report 9, October 1, 1994--December 31, 1994
The primary goal of this project is the engineering development of two advanced physical fine coal cleaning processes, column flotation and selective agglomeration, for premium fuel applications. The project scope includes laboratory research and bench-scale testing on six coals to optimize these processes, followed by design, and construction of a 2-t/hr process development unit (PDU). The PDU will then be operated to generate 200 ton lots of each of three project coals, by each process. The project began in October, 1992 and is scheduled for completion by March, 1997. During Quarter 9 (October--December, 1995), parametric and optimization testing was completed for the Taggart, Sunnyside, and Indiana VII coal using a 12-inch Microcel{trademark} flotation column. The detailed design of the 2-t/hr PDU grinding, flotation, and dewatering circuits neared completion with the specification of the major pieces of capital equipment to be purchased for these areas. Selective agglomeration test work investigated the properties of various industrial grades of heptane for use during bench- and PDU-scale testing. It was decided to use a hydrotreated grade of commercial heptane due to its low cost and low concentration of aromatic compounds. The final Subtask 6.4 CWF Formulation Studies Test Plan was issued. A draft version …
Date:
January 25, 1995
Creator:
Moro, N.; Shields, G. L.; Smit, F. J. & Jha, M. C.
Object Type:
Report
System:
The UNT Digital Library
Engineering task plan for flammable gas atmosphere mobile color video camera systems
This Engineering Task Plan (ETP) describes the design, fabrication, assembly, and testing of the mobile video camera systems. The color video camera systems will be used to observe and record the activities within the vapor space of a tank on a limited exposure basis. The units will be fully mobile and designed for operation in the single-shell flammable gas producing tanks. The objective of this tank is to provide two mobile camera systems for use in flammable gas producing single-shell tanks (SSTs) for the Flammable Gas Tank Safety Program. The camera systems will provide observation, video recording, and monitoring of the activities that occur in the vapor space of applied tanks. The camera systems will be designed to be totally mobile, capable of deployment up to 6.1 meters into a 4 inch (minimum) riser.
Date:
January 25, 1995
Creator:
Kohlman, E. H.
Object Type:
Report
System:
The UNT Digital Library
The Gilmer Mirror (Gilmer, Tex.), Vol. 118, No. 7, Ed. 1 Wednesday, January 25, 1995
Semiweekly newspaper from Gilmer, Texas that includes local, state, and national news along with advertising.
Date:
January 25, 1995
Creator:
Overton, Mac
Object Type:
Newspaper
System:
The Portal to Texas History
Illustrated Paperboy (Cleveland, Tex.), Vol. 2, No. 43, Ed. 1 Wednesday, January 25, 1995
Weekly newspaper from Cleveland, Texas that includes local, county, and state news along with extensive advertising.
Date:
January 25, 1995
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Infrastructure support for the Waste Management Institute at North Carolina A&T State University. Progress report, September 1994--January 1995
The mission of the Waste Management Institute is two-fold: (1) to enhance awareness and understanding of waste problems and their management in our society and, (2) to provide leadership in research, instruction and outreach to improve the quality of life on a global scale and protect the environment.
Date:
January 25, 1995
Creator:
Uzochukwu, G. A.
Object Type:
Report
System:
The UNT Digital Library
Iron/potassium perchlorate pellet burn rate measurements
A burn rate test having several advantages for low gas-producing pyrotechnic compacts has been developed. The technique involves use of a high speed video motion analysis system that allows immediate turnaround and produces all required data for rate computation on magnetic tape and becomes immediately available on the display screen. The test technique provides a quick method for material qualification along with data for improved reliability and function. Burn rate data has been obtained for both UPI and Eagle Pitcher Iron/Potassium Perchlorate blends. The data obtained for the UPI blends cover a range of composition, pellet density, and ambient (before ignition) pellet temperature. Burn rate data for the E-P blends were extended to include surface conditions or particle size as a variable parameter.
Date:
January 25, 1995
Creator:
Reed, J. W. & Walters, R. R.
Object Type:
Report
System:
The UNT Digital Library
[Letter from Harriet Laney to Beverly Fletcher, January 25, 1995]
A letter from Harriet Laney to Beverly Fletcher about enclosing participant forms for the Summer 1995 North Texas Institute for Educators on the Visual Arts. Attached documents include the forms and a agreement statement between Fort Worth Independent School District and NTIEVA.
Date:
January 25, 1995
Creator:
Laney, Harriet
Object Type:
Letter
System:
The UNT Digital Library