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546 Matching Results
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ORNL PROCEDURES FOR CONTROLLED-POTENTIAL COULOMETRIC TITRATION OF PLUTONIUM
Six procedures, in stepwise form, that can be used for the determination of plutonium in several forms by controlled-potential coulometric titration are presented. (auth)
Date:
September 14, 1962
Creator:
Shults, W.D.
Object Type:
Report
System:
The UNT Digital Library
HOT CELL DEMONSTRATION OF ZIRFLEX AND SULFEX PROCESSES. Report No. 3
ABS>Hot cell demonstration of the Zirflex decladding process coupled with a modified Purex solvent extraction process was completed using specimens of Zircaloy-clad UO/sub 2/ irradiated to levels of 6150-14,600 Mwd/TU. Soluble losses of uranium and plutonium to the decladding solutions were about 0.05%. Centrifugation of the decladding solution is probably necessary to remove up to 1% of the UO/sub 2/ present as fines resulting from the fracture of low (93 to 95%) density pellets; high (96%) density pellets produced few fines. Approximately 5 hours were required to dissolve the UO/sub 2/ core material (14,000 Mwd/TU) in 4M HNO/sub 3/ versus 6 to 7 hours for unirradiated pellets to produce a solvent extraction feed of 100 g U/l and 3M HNO/sub 3/. Gamma decontamination factors for uranium in the Purex CU stream and plutonium in the BP stream were increased by factors of 2 to 10 from the normal 1.3 x 10/sup 3/ and 2.1 x 10/sup 3/, respectively, by pretreatment of the solvent extraction feed with dincetyl monoxime or its degradation product, oxalic acid. Preliminary data indicate radiation damage degrades the solvent, 30% TBP diluted with Amsco 125- 82, upon one pass through the mixer-settler banks with feed solutions irradiated …
Date:
May 14, 1962
Creator:
Goode, J.H. & Baillie, M.G.
Object Type:
Report
System:
The UNT Digital Library
DISSOLUTION OF BeO-AND Al$sub 2$O$sub 3$-BASE REACTOR FUEL ELEMENTS. PART I
Aqueous methods for recovering uranium from BeO- and Al/sub 2/O/sub 3/- base gas-cooled-reactor fuel elements are being evaluated. Two methods for processing Hastelloy-X--clad pelletized BeO-base fuels containing 60 to 70% UO/ sub 2/, such as the GCRE and MGCR, seem feasible. One method involves mechanical stripping or chopping of the cladding followed by leaching of the uranium from the fuel pellets with boiling 6-l3M HNO/sub 3/. In the other method the cladding and UO/sub 2/ are dissolved in boiling 2M HNO/sub 3/-4M HCl. In either case, most of the BeO matrix remains as an undissolved residue. Pellets containing 70% UO/sub 3/ dissolved completely in less than 20 hr in boiling 8M HNO/sub 3/ containing either 2M H/sub 2/SO/sub 4/ or 0.5M HF, producing solutions containing 4 g of uranium per liter. Fuels of high BeO content, e.g. BeO--5% UO/sub 2/, dissolved only slowly in boiling aqueous reagents. Highest initial rates were in sulfuric acid solutions, log (Rate, mg min/sup -1/cm/sup -2/) = 0.223 (H/sub 2/SO/ sub 4, M) - 2.8l and in HF--NH/sub 4/F solutions. ln boiling 5-8M NH/sub 4/F the initial dissolution rate increased from 0.07 to 3.5 mg min/sup -1/cm/sup -2/ as the HF concentration increased from 0 …
Date:
February 14, 1962
Creator:
Warren, K S; Ferris, L M & Kibbey, A H
Object Type:
Report
System:
The UNT Digital Library
Radiochemical Processing-Off-Site Transportation and Ultimate Storage Problems
Safe and economic methods of handling radioactive materials off-site are required for the successful operation of nuclear chemical plants. These occasions arise in the shipment of spent fuel, radioactive, isotopes, and liquid wastes. An unsolved problem exists in the development of techniques and sites for the final disposal of waste products. (auth)
Date:
March 14, 1962
Creator:
Blomeke, J. O. & Shappert, L. B.
Object Type:
Report
System:
The UNT Digital Library
Stress Analysis of the PM-2A Reactor Vessel
The stress analysis performed on the PM-2A reactor vessel and cover is discussed. The maximum combined stress (51,000 psi) occurred in the studs after reaching steady-state conditions. A fatigue analysis indicated that this stress could be safely applied 2500 times, and since the studs do not approach 2500 cycles from initial stud tightening to steady-state conditions, they should not suffer any fatigue damage. (auth)
Date:
May 14, 1962
Creator:
Rowekamp, B. J.; McLaughlin, D. W.; Chittum, R. A. & Aitken, C. C.
Object Type:
Report
System:
The UNT Digital Library
The Bellaire Texan (Bellaire, Tex.), Vol. 9, No. 3, Ed. 1 Wednesday, March 14, 1962
Weekly newspaper from Bellaire, Texas that includes local, state, and national news along with advertising.
Date:
March 14, 1962
Creator:
Norton, Mary
Object Type:
Newspaper
System:
The Portal to Texas History
The Bellaire Texan (Bellaire, Tex.), Vol. 9, No. 38, Ed. 1 Wednesday, November 14, 1962
Weekly newspaper from Bellaire, Texas that includes local, state, and national news along with advertising.
Date:
November 14, 1962
Creator:
Norton, Mary
Object Type:
Newspaper
System:
The Portal to Texas History
The Dublin Progress (Dublin, Tex.), No. 12, Ed. 1 Thursday, June 14, 1962
Weekly newspaper from Dublin, Texas that includes local, state, and national news along with advertising.
Date:
June 14, 1962
Creator:
Forson, Rance
Object Type:
Newspaper
System:
The Portal to Texas History
The Shamrock Texan (Shamrock, Tex.), Vol. 59, No. 10, Ed. 1 Thursday, June 14, 1962
Weekly newspaper from Shamrock, Texas that includes local, state, and national news along with advertising.
Date:
June 14, 1962
Creator:
Montgomery, Arval
Object Type:
Newspaper
System:
The Portal to Texas History
[Historic Marker Application: Sarah Eagar House]
Application materials submitted to the Texas Historical Commission requesting a historic marker for the Sarah Eagar House, in San Antonio, Texas. The materials include the original application and photographs.
Date:
November 14, 1962
Creator:
Texas Historical Commission
Object Type:
Text
System:
The Portal to Texas History
[Historic Marker Application: Fourth United States Army Headquarters Quadrangle at Fort Sam Houston, Texas]
Application materials submitted to the Texas Historical Commission requesting a historic marker for the Fourth United States Army Headquarters Quadrangle at Fort Sam Houston, Texas, in San Antonio, Texas. The materials include the original application and photograph.
Date:
November 14, 1962
Creator:
Texas Historical Commission
Object Type:
Text
System:
The Portal to Texas History
Honey Grove Signal-Citizen (Honey Grove, Tex.), Vol. 72, No. 36, Ed. 1 Friday, September 14, 1962
Weekly newspaper from Honey Grove, Texas that includes local, state, and national news along with advertising.
Date:
September 14, 1962
Creator:
Morrow, Joe T.
Object Type:
Newspaper
System:
The Portal to Texas History
Honey Grove Signal-Citizen (Honey Grove, Tex.), Vol. 72, No. 49, Ed. 1 Friday, December 14, 1962
Weekly newspaper from Honey Grove, Texas that includes local, state, and national news along with advertising.
Date:
December 14, 1962
Creator:
Morrow, Joe T.
Object Type:
Newspaper
System:
The Portal to Texas History
The Bellaire Texan (Bellaire, Tex.), Vol. 8, No. 51, Ed. 1 Wednesday, February 14, 1962
Weekly newspaper from Bellaire, Texas that includes local, state, and national news along with advertising.
Date:
February 14, 1962
Creator:
Norton, Mary
Object Type:
Newspaper
System:
The Portal to Texas History
Equilibrium panel surface temperatures in the SNAP-2 instrument compartment
By equating net radiation to space to I/sup 2/R heating in the SNAP-2 instrument compartments, and neglecting internal radiation between compartments, the panel surface equilibrium temperatures were computed for hot and cold temperature extremes. These extremes are defined by: (1) cold - pre-start phase in the shade, (2) hot - full power phase facing the sun. The results of the heat balances for hottest and coldest cases are presented graphically. These figures relate the equilibrium surface temperatures to the I/sup 2/R heat load dissipated by the panel surface for hot and cold orbits before and after startup. Included as parameters are effective panel area (dependent on Agena-interface design details) and the ..cap alpha../epsilon ratio for the surface coating. If ..cap alpha../epsilon = .3/.9 and A = 1 ft/sup 2/, the extremes of temperatures suffered are from -191/sup 0/F to +212/sup 0/F. This study shows that the normal R/C surface coating (..cap alpha../epsilon = .3/.9) is acceptable regarding allowable maximum surface temperatures, if the effective panel area is not less than 1 ft/sup 2/. It also indicates that further work is warranted regarding internal radiative distribution of heat in order to limit the lowest temperatures to -65/sup 0/F.
Date:
September 14, 1962
Creator:
Gresho, P. M.
Object Type:
Report
System:
The UNT Digital Library
The Brady Standard and Heart O' Texas News (Brady, Tex.), Vol. 54, No. 9, Ed. 1 Friday, December 14, 1962
Weekly newspaper from Brady, Texas that includes local, state, and national news along with advertising.
Date:
December 14, 1962
Creator:
Smith, L. B.
Object Type:
Newspaper
System:
The Portal to Texas History
The Brady Standard and Heart O' Texas News (Brady, Tex.), Vol. 53, No. 48, Ed. 1 Friday, September 14, 1962
Weekly newspaper from Brady, Texas that includes local, state, and national news along with advertising.
Date:
September 14, 1962
Creator:
Smith, L. B.
Object Type:
Newspaper
System:
The Portal to Texas History
The Winkler County News (Kermit, Tex.), Vol. 27, No. 3, Ed. 1 Monday, May 14, 1962
Semi-weekly newspaper from Kermit, Texas that includes local, state, and national news along with advertising.
Date:
May 14, 1962
Creator:
Williams, Nev H.
Object Type:
Newspaper
System:
The Portal to Texas History
The Clarksville Times (Clarksville, Tex.), Vol. 90, No. 35, Ed. 1 Friday, September 14, 1962
Weekly newspaper from Clarksville, Texas that includes local, state, and national news along with advertising.
Date:
September 14, 1962
Creator:
Pinson, Joe
Object Type:
Newspaper
System:
The Portal to Texas History
Contaminant effects study : final report, January 5 to September 15, 1962
From abstract: "This report describes work done on ARF Project C 216 from January 5, 1962 to September 15, 1962. The objectives of the program include evolution of an analytical research program to evaluate effects of environment contributed contamination on precise devices"
Date:
November 14, 1962
Creator:
Lieberman, A.
Object Type:
Report
System:
The UNT Digital Library
The Comanche Chief (Comanche, Tex.), Vol. 89, No. 12, Ed. 1 Friday, September 14, 1962
Weekly newspaper from Comanche, Texas that includes local, state, and national news along with advertising.
Date:
September 14, 1962
Creator:
Wilkerson, J. C.
Object Type:
Newspaper
System:
The Portal to Texas History
The Comanche Chief (Comanche, Tex.), Vol. 89, No. 25, Ed. 1 Friday, December 14, 1962
Weekly newspaper from Comanche, Texas that includes local, state, and national news along with advertising.
Date:
December 14, 1962
Creator:
Wilkerson, J. C.
Object Type:
Newspaper
System:
The Portal to Texas History
The Clarksville Times (Clarksville, Tex.), Vol. 90, No. 48, Ed. 1 Friday, December 14, 1962
Weekly newspaper from Clarksville, Texas that includes local, state, and national news along with advertising.
Date:
December 14, 1962
Creator:
Pinson, Joe
Object Type:
Newspaper
System:
The Portal to Texas History
Velocity cross section 6, extending southeast from Tatum dome, Lamar County, Miss. Technical letter: Dribble-23
None
Date:
August 14, 1962
Creator:
Black, R.A.; Eargle, D.H.; Davis, B. & Stanford, J.
Object Type:
Report
System:
The UNT Digital Library