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Clouds in the Balance
This feature article provides a summary of study about the role of clouds in the balance. Until recently, scientists were uncertain whether clouds had an overall net cooling or heating effect on the Earth's climate. But recent studies show that, in the tropics, a "near cancellation" between shortwave cooling and longwave warming exists, which indicates that the amount of incoming radiant energy is roughly equal to the amount of outgoing radiation. However, small changes in tropical cloudiness can disrupt this precarious balance.
Date:
October 11, 2001
Creator:
Schmidt, Laurie J.
Object Type:
Text
System:
The UNT Digital Library
The Collegian (Hurst, Tex.), Vol. 13, No. 23, Ed. 1 Wednesday, April 11, 2001
Weekly student newspaper published in Hurst, Texas and serving the Tarrant County College District that includes school news and information along with advertising.
Date:
April 11, 2001
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Colony Courier-Leader (The Colony, Tex.), Vol. 19, No. 48, Ed. 1 Thursday, January 11, 2001
Weekly newspaper from The Colony, Texas that includes local, state, and national news along with advertising.
Date:
January 11, 2001
Creator:
Reeves, Tim
Object Type:
Newspaper
System:
The Portal to Texas History
The Colony Courier-Leader (The Colony, Tex.), Vol. [20], No. [35], Ed. 1 Thursday, October 11, 2001
Weekly newspaper from The Colony, Texas that includes local, state, and national news along with advertising.
Date:
October 11, 2001
Creator:
Beesley, Tom
Object Type:
Newspaper
System:
The Portal to Texas History
Comanche Chief (Comanche, Tex.), No. 23, Ed. 1 Thursday, October 11, 2001
Weekly newspaper from Comanche, Texas that includes local, state, and national news along with advertising.
Date:
October 11, 2001
Creator:
Wilkerson, James C., III
Object Type:
Newspaper
System:
The Portal to Texas History
Comanche Chief (Comanche, Tex.), No. 36, Ed. 1 Thursday, January 11, 2001
Weekly newspaper from Comanche, Texas that includes local, state, and national news along with advertising.
Date:
January 11, 2001
Creator:
Wilkerson, James C., III
Object Type:
Newspaper
System:
The Portal to Texas History
Computation Results from a Parametric Study to Determine Bounding Critical Systems of Homogeneously Water-Moderated Mixed Plutonium--Uranium Oxides
This report provides computational results of an extensive study to examine the following: (1) infinite media neutron-multiplication factors; (2) material bucklings; (3) bounding infinite media critical concentrations; (4) bounding finite critical dimensions of water-reflected and homogeneously water-moderated one-dimensional systems (i.e., spheres, cylinders of infinite length, and slabs that are infinite in two dimensions) that were comprised of various proportions and densities of plutonium oxides and uranium oxides, each having various isotopic compositions; and (5) sensitivity coefficients of delta k-eff with respect to critical geometry delta dimensions were determined for each of the three geometries that were studied. The study was undertaken to support the development of a standard that is sponsored by the International Standards Organization (ISO) under Technical Committee 85, Nuclear Energy (TC 85)--Subcommittee 5, Nuclear Fuel Technology (SC 5)--Working Group 8, Standardization of Calculations, Procedures and Practices Related to Criticality Safety (WG 8). The designation and title of the ISO TC 85/SC 5/WG 8 standard working draft is WD 14941, ''Nuclear energy--Fissile materials--Nuclear criticality control and safety of plutonium-uranium oxide fuel mixtures outside of reactors.'' Various ISO member participants performed similar computational studies using their indigenous computational codes to provide comparative results for analysis in the development of …
Date:
January 11, 2001
Creator:
Shimizu, Y.
Object Type:
Report
System:
The UNT Digital Library
Consumption Taxes and the Level and Composition of Saving
This report examines how the composition of saving might change with the introduction of a consumption tax. Specifically, the report analyzes the possible impact of a consumption based tax system on various forms and levels of saving.
Date:
January 11, 2001
Creator:
Maguire, Steven
Object Type:
Report
System:
The UNT Digital Library
Contract Management: Update on DOD's Purchase of Black Berets
A letter report issued by the General Accounting Office with an abstract that begins "The Army announced in October 2000 that personnel would begin wearing berets eight months later. To meet the tight deadline for the production of 5 million berets at a cost of about $30 million, the Defense Logistics Agency (DLA) shortcut normal contracting procedures and waived restrictions that limit military purchases of some items, including clothing, to those produced in the United States or its possessions. Despite these efforts, DLA was unable to meet the Army's deadline, and it terminated three contracts because the contractors did not meet delivery requirements. So far, the Defense Department (DOD) has received about 2.1 million berets--less than 1 million of which were distributed to Army personnel. DOD still expects another 1.6 million berets to be delivered by September 2002. DOD has taken steps to ensure that proposed waivers are considered at an appropriate management level. DOD no longer allows the Under Secretary of Defense or the service secretaries to delegate their authority to approve waivers. Requests for waivers must also be supported by analyses of why alternatives that would not require a waiver were unacceptable."
Date:
December 11, 2001
Creator:
United States. General Accounting Office.
Object Type:
Report
System:
The UNT Digital Library
Covariance Workshop. April 22-23, 1999 Brookhaven National Laboratory
The NCSP is a comprehensive program established to help assure continued safe, efficient operations with fissile materials in the US. The major Tasks included in the NCSP are Critical Experiments, Benchmark Evaluations, Analytical Methods, Applicable Ranges of Bounding Curves and Data (AROBCAD), Information Preservation and Dissemination, Training and Qualification, and Nuclear Data. The Nuclear Data Task provides newly measured differential data and newly evaluated nuclear data for use in analyses of fissile material systems. One feature of the effort to improve the nuclear data for criticality applications is the inclusion of covariance data and sensitivity parameters that then allows the analyst to assess the uncertainty in calculated performance parameters due to uncertainties in the nuclear data. A characteristic of currently available nuclear data libraries is a lack of such covariance information. It was felt that gathering noted experts in the field would help assess the current status and offer guidance to the NCSP Nuclear Data Task on how to proceed in developing covariance information useful for criticality safety analysts. Since many of the experts in the field are in the international community, we scheduled the Workshop to be held just prior to a meeting of the OECD Nuclear Energy Agency …
Date:
January 11, 2001
Creator:
Roussin, R. W.
Object Type:
Article
System:
The UNT Digital Library
Criticality Calculations of Fresh LEU and MOX Assemblies for Transport and Storage at the Balakovo Nuclear Power Plant
Transportation of low-enriched uranium (LEU) and mixed-oxide (MOX) assemblies to and within the VVER-1000-type Balakovo Nuclear Power Plant is investigated. Effective multiplication factors for fresh fuel assemblies on the railroad platform, fresh fuel assemblies in the fuel transportation vehicle, and fresh fuel assemblies in the spent fuel storage pool are calculated. If there is no absorber between the units, the configurations with all MOX assemblies result in higher effective multiplication factors than the configurations with all LEU assemblies when the system is dry. When the system is flooded, the configurations with all LEU assemblies result in higher effective multiplication factors. For normal operating conditions, effective multiplication factors for all configurations are below the presumed upper subcritical limit of 0.95. For an accident condition of a fully loaded fuel transportation vehicle that is flooded with low-density water (possibly from a fire suppression system), the presumed upper subcritical limit is exceeded by configurations containing LEU assemblies.
Date:
January 11, 2001
Creator:
Goluoglu, S.
Object Type:
Report
System:
The UNT Digital Library
Croatia: Basic Facts
None
Date:
June 11, 2001
Creator:
Woehrel, Steven J.
Object Type:
Report
System:
The UNT Digital Library
Cuba: Issues and Legislation in the 106th Congress
Numerous measures were introduced in the 106th Congress that reflected the range of views on U.S. policy toward Cuba. Legislative initiatives proposed both easing and increasing sanctions against Cuba. In the end, legislation passed reflected both approaches: it allowed the export of food and medicine to Cuba, but prohibited any U.S. financing, both public and private, of such exports. Travel to Cuba for tourism was also prohibited.
Date:
January 11, 2001
Creator:
Sullivan, Mark P. & Taft-Morales, Maureen
Object Type:
Report
System:
The UNT Digital Library
Cuba: Issues for Congress
This report examines the economic and political situation in Cuba, including the human rights situation, and U.S. policy toward Cuba. The report also analyzes a number of issues facing Congress in U.S. policy toward Cuba, including: the overall direction of U.S. policy; challenges to U.S. policy in the World Trade Organization; restrictions on commercial food and medical exports; restrictions on travel; bilateral drug trafficking cooperation; Cuba and terrorism; funding for U.S.-government sponsored radio and television broadcasting to Cuba; the Russian signals intelligence facility in Cuba; migration issues; and compensation to the families of those Americans killed in 1996 when Cuba shot down two U.S. civilian planes. The report cites legislation that was passed in the 106th Congress, and also tracks legislative action on these various issues in U.S. policy toward Cuba in the 107th Congress.
Date:
December 11, 2001
Creator:
Sullivan, Mark P. & Taft-Morales, Maureen
Object Type:
Report
System:
The UNT Digital Library
D0 Run IIB Silicon Detector Upgrade: Technical Design Report
None
Date:
October 11, 2001
Creator:
Denisov, Dmitri S. & Soldner-Rembold, Stefan
Object Type:
Report
System:
The UNT Digital Library
Daily Journal (Perry, Okla.), Vol. 108, No. 8, Ed. 1 Thursday, January 11, 2001
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
January 11, 2001
Creator:
Brown, Gloria
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Daily Journal (Perry, Okla.), Vol. 108, No. 72, Ed. 1 Wednesday, April 11, 2001
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
April 11, 2001
Creator:
Brown, Gloria
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Daily Journal (Perry, Okla.), Vol. 108, No. 94, Ed. 1 Friday, May 11, 2001
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
May 11, 2001
Creator:
Brown, Gloria
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Daily Journal (Perry, Okla.), Vol. [108], No. 114, Ed. 1 Monday, June 11, 2001
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
June 11, 2001
Creator:
Brown, Gloria
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Daily Journal (Perry, Okla.), Vol. 108, No. 135, Ed. 1 Wednesday, July 11, 2001
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
July 11, 2001
Creator:
Brown, Gloria
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Daily Journal (Perry, Okla.), Vol. 108, No. 178, Ed. 1 Tuesday, September 11, 2001
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
September 11, 2001
Creator:
Brown, Gloria
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Daily Journal (Perry, Okla.), Vol. 108, No. 200, Ed. 1 Thursday, October 11, 2001
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
October 11, 2001
Creator:
Brown, Gloria
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Daily Journal (Perry, Okla.), Vol. 108, No. 242, Ed. 1 Tuesday, December 11, 2001
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
December 11, 2001
Creator:
Brown, Gloria
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Dallas Voice (Dallas, Tex.), Vol. 18, No. 2, Ed. 1 Friday, May 11, 2001
Weekly newspaper from Dallas, Texas that includes local, state, and national news and advertising of interest to the Lesbian, Gay, Bisexual, and Transgender (LGBT) community.
Date:
May 11, 2001
Creator:
Vercher, Dennis
Object Type:
Newspaper
System:
The UNT Digital Library