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6,321 Matching Results
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Extracted current densities from surface conversion sources of negative ions
The condition for extracting a maximum negative ion current density is found when the product of the radius of the negative ion conversion electrode, the cross-section for negative and positive ion recombination, and the density of positive ions in the ion source equals one. The optimum output is obtained at the highest positive ion density and the smallest electrode radius.
Date:
February 10, 1982
Creator:
Fink, J.H.
Object Type:
Report
System:
The UNT Digital Library
SOME EXPERIENCES IN THE WELD FABRICATION OF REFRACTORY METALS
Discussion is given on the welding fabrication of tungsten, molybdenum, niobium, and tantalum. Properties which make the four refractory metals important are tabulatcd along with titanium which is given for comparison. Extensive evaluation was conducted using the gas, tungsten arc welding process employing both manual and machine welding. Design data were obtained exclusively from machine welded sheet materials. Flash welding, resistance spot welding and brazing, electron beam welding, and high frequency resistance welding processes were also applied to molybdenum alloys. The oxidation of molybdenum, tantalum, and niobium in flowing air at 2000 deg F is also given. (P.C.H.)
Date:
February 10, 1961
Creator:
Thompson, E.G.
Object Type:
Report
System:
The UNT Digital Library
January 1978 monthly highlights for Office of Nuclear Regulatory Research Programs at Oak Ridge National Laboratory
Highlights of technical progress during January 1978 are presented for sixteen separate program activities which comprise the ORNL research program for the Office of Nuclear Regulatory Research's Division of Reactor Safety Research.
Date:
February 10, 1978
Creator:
Mynatt, F.R. (comp.)
Object Type:
Report
System:
The UNT Digital Library
Pyrolysis and gasification of coal at high temperatures
The macropore structure of chars is a major factor in determining their reactivity during the gasification stage. The major objectives of this contract were to (a) quantify by direct measurements the effect of pyrolysis conditions of the macropore structure, and (b) establish how the macropores affected the reactivity pattern, the ignition behavior and the fragmentation of the char particles during gasification in the regime of strong diffusional limitations. Results from this project provide much needed information on the factors that affect the quality of the solid products (chars) of coal utilization processes (for example, mild gasification processes). The reactivity data will also provide essential parameters for the optimal design of coal gasification processes. (VC)
Date:
February 10, 1992
Creator:
Zygourakis, K.
Object Type:
Report
System:
The UNT Digital Library
Investigation into the repetition-rate limitations of magnetic switches
The use of magnetic switches to generate high power pulses has opened up a whole new spectrum of possibilities. Here we describe an investigation into the maximum repetition rates possible with these devices.
Date:
February 10, 1982
Creator:
Birx, D. L.; Reginato, L. L. & Schmidt, J. A.
Object Type:
Article
System:
The UNT Digital Library
[News Clip: Shelters]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
February 10, 1994, 6:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
H-division quarterly report, October--December 1977. [Lawrence Livermore Laboratory]
The Theoretical EOS Group develops theoretical techniques for describing material properties under extreme conditions and constructs equation-of-state (EOS) tables for specific applications. Work this quarter concentrated on a Li equation of state, equation of state for equilibrium plasma, improved ion corrections to the Thomas--Fermi--Kirzhnitz theory, and theoretical estimates of high-pressure melting in metals. The Experimental Physics Group investigates properties of materials at extreme conditions of pressure and temperature, and develops new experimental techniques. Effort this quarter concerned the following: parabolic projectile distortion in the two-state light-gas gun, construction of a ballistic range for long-rod penetrators, thermodynamics and sound velocities in liquid metals, isobaric expansion measurements in Pt, and calculation of the velocity--mass profile of a jet produced by a shaped charge. Code development was concentrated on the PELE code, a multimaterial, multiphase, explicit finite-difference Eulerian code for pool suppression dynamics of a hypothetical loss-of-coolant accident in a nuclear reactor. Activities of the Fluid Dynamics Group were directed toward development of a code to compute the equations of state and transport properties of liquid metals (e.g. Li) and partially ionized dense plasmas, jet stability in the Li reactor system, and the study and problem application of fluid dynamic turbulence theory. 19 …
Date:
February 10, 1978
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
The Greer County Democrat (Mangum, Okla.), Vol. 26, No. 22, Ed. 1 Thursday, February 10, 1916
Weekly newspaper from Mangum, Oklahoma that includes local, state, and national news along with advertising.
Date:
February 10, 1916
Creator:
Anderson, A. W.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Oklahoma Democrat (Altus, Okla.), Vol. 8, No. 49, Ed. 1 Thursday, February 10, 1916
Weekly newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
February 10, 1916
Creator:
unknown
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Oklahoma Democrat. (Altus, Okla.), Vol. 3, No. 45, Ed. 1 Thursday, February 10, 1910
Weekly newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
February 10, 1910
Creator:
Ruthruff, C. E.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Mangum Star. (Mangum, Okla.), Vol. 22, No. 33, Ed. 1 Thursday, February 10, 1910
Weekly newspaper from Mangum, Oklahoma that includes local, state, and national news along with advertising.
Date:
February 10, 1910
Creator:
Farris, Giles W.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
China-U.S. Trade Issues
This report discusses the U.S.-China economic relationship and China's rapid expansion as a global economic market, both with respect to the current global economic crisis. It also examines major U.S.-China trade issues and related legislation.
Date:
February 10, 2014
Creator:
Morrison, Wayne M.
Object Type:
Report
System:
The UNT Digital Library
Navy Force Structure and Shipbuilding Plans: Background and Issues for Congress
This report provides background information and presents potential issues for Congress concerning the Navy's ship force-structure goals and shipbuilding plans. The planned size of the Navy, the rate of Navy ship procurement, and the prospective affordability of the Navy's shipbuilding plans have been matters of concern for the congressional defense committees for the past several years. Decisions that Congress makes on Navy shipbuilding programs can substantially affect Navy capabilities and funding requirements, and the U.S. shipbuilding industrial base.
Date:
February 10, 2014
Creator:
O'Rourke, Ronald
Object Type:
Report
System:
The UNT Digital Library
Career and Technical Education (CTE): A Primer
This report discusses Career and Technical Education (CTE), often referred to as vocational education, that provides occupational and non-occupational preparation at the secondary, post-secondary, and adult education levels.
Date:
February 10, 2014
Creator:
Dortch, Cassandria
Object Type:
Report
System:
The UNT Digital Library
The Hurricane Sandy Rebuilding Strategy: In Brief
This report briefly analyzes the Hurricane Sandy Rebuilding Strategy (HSRS), which is the key strategic document released by the Hurricane Sandy Rebuilding Task Force established by executive order. It also discusses overarching issues for Congress that may arise in oversight of the Hurricane Sandy recovery process and how lessons learned from Hurricane Sandy can be applied to future disasters.
Date:
February 10, 2014
Creator:
Brown, Jared T.
Object Type:
Report
System:
The UNT Digital Library
The FutureGen Carbon Capture and Sequestration Project: A Brief History and Issues for Congress
This report briefly summarizes the history of FutureGen, discusses why it has gained interest and support from some members of Congress and the Administration while remaining in initial stages of development, and offers some policy considerations on barriers that challenge its further development as a model for a carbon capture and sequestration (CCS) program. A timeline history of FutureGen is included at the end of this report.
Date:
February 10, 2014
Creator:
Folger, Peter
Object Type:
Report
System:
The UNT Digital Library
Government Assistance for GMAC/Ally Financial: Unwinding the Government Stake
This report discusses the auto financing industry, particularly Ally Financial, formerly known as General Motors Acceptance Corporation or GMAC.
Date:
February 10, 2014
Creator:
Webel, Baird & Canis, Bill
Object Type:
Report
System:
The UNT Digital Library
Carbon Capture and Sequestration: Research, Development, and Demonstration at the U.S. Department of Energy
This report aims to provide a snapshot of the U.S. Department of Energy (DOE) Carbon capture and sequestration (CCS) program, including its current funding levels and the budget request for FY2014, together with some discussion of the program's achievements and prospects for success in meeting its stated goals.
Date:
February 10, 2014
Creator:
Folger, Peter
Object Type:
Report
System:
The UNT Digital Library
Typhoon Haiyan (Yolanda): U.S. and International Response to Philippines Disaster
This report examines the impact of Typhoon Haiyan (Yolanda), which struck the central Philippines on November 8, 2013, and the U.S. and international response.
Date:
February 10, 2014
Creator:
Lum, Thomas & Margesson, Rhoda
Object Type:
Report
System:
The UNT Digital Library
Hooker Advance (Hooker, Okla.), Vol. 8, No. 1, Ed. 1 Friday, February 10, 1911
Weekly newspaper from Hooker, Oklahoma that includes local, state, and national news along with advertising.
Date:
February 10, 1911
Creator:
Hiebert, A. L.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Tyrone Observer. (Tyrone, Okla.), Vol. 6, No. 27, Ed. 1 Thursday, February 10, 1910
Weekly newspaper from Tyrone, Oklahoma that includes local, state, and national news along with advertising.
Date:
February 10, 1910
Creator:
unknown
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Guthrie Daily Star (Guthrie, Okla.), Vol. 8, No. 289, Ed. 1 Saturday, February 10, 1912
Daily newspaper from Guthrie, Oklahoma that includes local, state, and national news along with advertising.
Date:
February 10, 1912
Creator:
Hornaday, W. H.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Altus Weekly News. (Altus, Okla.), Vol. 16, No. 50, Ed. 1 Thursday, February 10, 1916
Weekly newspaper from Altus, Oklahoma that includes local, county, state, and national news along with advertising.
Date:
February 10, 1916
Creator:
Orr, J. P.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Crowder City Guardian (Crowder, Indianola, and Canadian, Oklahoma), Vol. 11, No. 24, Ed. 1 Thursday, February 10, 1916
Weekly newspaper from Crowder, Indianola, and Canadian, Oklahoma that includes local, state, and national news along with advertising.
Date:
February 10, 1916
Creator:
Jenkins, O. D.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History