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Dissecting the Gravitational Lens B1608 656. I. Lens Potential Reconstruction
None
Date:
April 25, 2013
Creator:
Suyu, S. H.; Marshall, P. J.; Blandford, R. D.; Fassnacht, C. D.; Koopmans, L. V. E.; McKean, J. P. et al.
Object Type:
Article
System:
The UNT Digital Library
Journal of the House of Representatives of Texas: 83rd Legislature, First Called Session, Tuesday, June 25, 2013
Proceedings of the House of Representatives of Texas for the sixth day of the First Called session of the 83rd Legislature documenting legislation, reports, discussions, votes, and points-of-order.
Date:
June 25, 2013
Creator:
Texas. Legislature. House of Representatives.
Object Type:
Legislative Document
System:
The Portal to Texas History
Texas Commission on Environmental Quality Area & Regional Offices
Sheet from the Texas Commission on Environmental Quality (TCEQ) listing contact information for each of the 16 Texas regional offices as well as the watermasters. The back includes a map showing the counties included in each of the corresponding regions.
Date:
January 25, 2013
Creator:
Texas Commission on Environmental Quality
Object Type:
Pamphlet
System:
The Portal to Texas History
Texas Commission on Environmental Quality Area & Regional Offices
Sheet from the Texas Commission on Environmental Quality (TCEQ) listing contact information for each of the 16 Texas regional offices as well as the watermasters. The back includes a map showing the counties included in each of the corresponding regions.
Date:
June 25, 2013
Creator:
Texas Commission on Environmental Quality
Object Type:
Pamphlet
System:
The Portal to Texas History
Texas Commission on Environmental Quality Area & Regional Offices
Sheet from the Texas Commission on Environmental Quality (TCEQ) listing contact information for each of the 16 Texas regional offices as well as the watermasters. The back includes a map showing the counties included in each of the corresponding regions.
Date:
June 25, 2013
Creator:
Texas Commission on Environmental Quality
Object Type:
Pamphlet
System:
The Portal to Texas History
Upper Limit on the Cosmological Gamma-ray Background
None
Date:
November 25, 2013
Creator:
Inoue, Yoshiyuki & Ioka, Kunihito
Object Type:
Article
System:
The UNT Digital Library
Unbound Particles in Dark Matter Halos
None
Date:
April 25, 2013
Creator:
Behroozi, Peter S.; /KIPAC, Menlo Park /Stanford U., Phys. Dept. /SLAC; Loeb, Abraham; U., /Harvard; Wechsler, Risa H. & /KIPAC, Menlo Park /Stanford U., Phys. Dept. /SLAC
Object Type:
Article
System:
The UNT Digital Library
Flammability Control In A Nuclear Waste Vitrification System
The Defense Waste Processing Facility at the Savannah River Site processes high-level radioactive waste from the processing of nuclear materials that contains dissolved and precipitated metals and radionuclides. Vitrification of this waste into borosilicate glass for ultimate disposal at a geologic repository involves chemically modifying the waste to make it compatible with the glass melter system. Pretreatment steps include removal of excess aluminum by dissolution and washing, and processing with formic and nitric acids to: 1) adjust the reduction-oxidation (redox) potential in the glass melter to reduce radionuclide volatility and improve melt rate; 2) adjust feed rheology; and 3) reduce by steam stripping the amount of mercury that must be processed in the melter. Elimination of formic acid in pretreatment has been studied to eliminate the production of hydrogen in the pretreatment systems, which requires nuclear grade monitoring equipment. An alternative reductant, glycolic acid, has been studied as a substitute for formic acid. However, in the melter, the potential for greater formation of flammable gases exists with glycolic acid. Melter flammability is difficult to control because flammable mixtures can be formed during surges in offgases that both increase the amount of flammable species and decrease the temperature in the vapor …
Date:
July 25, 2013
Creator:
Zamecnik, John R.; Choi, Alexander S.; Johnson, Fabienne C.; Miller, Donald H.; Lambert, Daniel P.; Stone, Michael E. et al.
Object Type:
Article
System:
The UNT Digital Library