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X-Ray Powder Diffraction Study of Synthetic Palmierite, K{sub 2}Pb(SO{sub 4}){sub 2}
Palmierite (K{sub 2}Pb(SO{sub 4}){sub 2}) has been prepared via a chemical synthesis method. Intensity differences were observed when X-ray powder data from the newly synthesized compound were compared to the published powder diffraction card (PDF) 29-1015 for Palmierite. Investigation of these differences indicated the possibility of preferred orientation and/or chemical inhomogeneity affecting intensities, particularly those of the basal (00{ell}) reflections. Annealing of the Palmierite was found to reduce the effects of preferred orientation. Electron microprobe analysis confirmed K:Pb:S as 2:1:2 for the annealed Palmierite powder. Subsequent least-squares refinement and Rietveld analysis of the annealed powder showed peak intensities very close to that of a calculated Palmierite pattern (based on single crystal data), yet substantially higher than many of the PDF 29-1015 published intensities. Further investigation of peak intensity variation via calculated patterns suggested that the intensity discrepancies between the annealed sample and those found in PDF 29-1015 were potentially due to chemical variation in the K{sub 2}Pb(SO{sub 4}){sub 2} composition. X-ray powder diffraction and crystal data for Palmierite are reported for the annealed sample. Palmierite is Trigonal/Hexagonal with unit cell parameters a = 5.497(1){angstrom}, c = 20.864(2) {angstrom}, space group R-3m (166), and Z = 3.
Date:
December 19, 2000
Creator:
Tissot, Ralph G., Jr.; Rodriguez, Mark A.; Sipola, Diana L. & Voigt, James A.
Object Type:
Article
System:
The UNT Digital Library
Altus Times (Altus, Okla.), Vol. 101, No. 215, Ed. 1 Sunday, November 19, 2000
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
November 19, 2000
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Alvin Sun-Advertiser (Alvin, Tex.), Vol. 109, No. 93, Ed. 1 Sunday, November 19, 2000
Weekly newspaper from Alvin, Texas that includes local, state, and national news along with advertising.
Date:
November 19, 2000
Creator:
Schwind, Jim & Holton, Kathleen
Object Type:
Newspaper
System:
The Portal to Texas History
The Baytown Sun (Baytown, Tex.), Vol. 78, No. 359, Ed. 1 Sunday, November 19, 2000
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
November 19, 2000
Creator:
Cash, Wanda Garner
Object Type:
Newspaper
System:
The Portal to Texas History
The Express-Star (Chickasha, Okla.), Ed. 1 Sunday, November 19, 2000
Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date:
November 19, 2000
Creator:
Bush, Kent
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Levelland and Hockley County News-Press (Levelland, Tex.), Vol. 22, No. 67, Ed. 1 Sunday, November 19, 2000
Semiweekly newspaper from Levelland, Texas that includes local, state, and national news along with advertising.
Date:
November 19, 2000
Creator:
Rigg, John
Object Type:
Newspaper
System:
The Portal to Texas History
The Panola Watchman (Carthage, Tex.), Vol. 127, No. 93, Ed. 1 Sunday, November 19, 2000
Semiweekly newspaper from Carthage, Texas that includes local, state, and national news along with advertising.
Date:
November 19, 2000
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Polk County Enterprise (Livingston, Tex.), Vol. 118, No. 91, Ed. 1 Sunday, November 19, 2000
Semi-weekly newspaper from Livingston, Texas that includes local, state and national news along with advertising.
Date:
November 19, 2000
Creator:
White, Barbara
Object Type:
Newspaper
System:
The Portal to Texas History
Seminole Sentinel (Seminole, Tex.), Vol. 94, No. 10, Ed. 1 Sunday, November 19, 2000
Semiweekly newspaper from Seminole, Texas that includes local, state, and national news along with advertising.
Date:
November 19, 2000
Creator:
Dow, M. Gene & Fisher, David
Object Type:
Newspaper
System:
The Portal to Texas History
[Wheeler Avenue Baptist Church Bulletin: November 19, 2000]
Church bulletin listing the order of worship for the 7:30 and 11:00 Sunday morning services at the Wheeler Avenue Baptist Church, as well as various notes about upcoming events, congregational news, and other information of relevance to church members.
Date:
November 19, 2000
Creator:
Wheeler Avenue Baptist Church (Houston, Tex.)
Object Type:
Pamphlet
System:
The Portal to Texas History
The Albany News (Albany, Tex.), Vol. 125, No. 21, Ed. 1 Thursday, October 19, 2000
Weekly newspaper from Albany, Texas that includes local, county, and state news along with extensive advertising.
Date:
October 19, 2000
Creator:
Lucas, Melinda L.
Object Type:
Newspaper
System:
The Portal to Texas History
Altus Times (Altus, Okla.), Vol. 101, No. 189, Ed. 1 Thursday, October 19, 2000
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
October 19, 2000
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Archer County News (Archer City, Tex.), No. 42, Ed. 1 Thursday, October 19, 2000
Weekly newspaper from Archer City, Texas that includes local, state, and national news along with advertising.
Date:
October 19, 2000
Creator:
Lewis, Shelley
Object Type:
Newspaper
System:
The Portal to Texas History
BAGPIPE Containment Data and Phenomenology Report
The BAGPIPE sub-critical experiment was executed on September 26, 1998, at about 13:07 hours. A steel and fibercrete containment barrier had been built at the entrance to the U1a.101b drift at the Nevada Test Site to form the BAGPIPE zero-room. The invert of the zero-room was covered with concrete and the ribs and back were covered with about 15 cm of fibercrete. The face was left uncovered to facilitate gas bleed-off into the alluvial formation. The volume of the room was approximately 3894 ft{sup 3}. Four small experimental packages were detonated. The LLNL containment goal for the BAGPIPE experiment was to confine all special nuclear material (SNM) to the zero-room and the alluvium surrounding the zero-room. The experiment and containment objectives are discussed more fully in the BAGPIPE Containment Prospectus and the associated addendum. Alpha-particle radiation detectors outside the BAGPIPE zero-room remained at pre-shot background levels after the experiment. A large number of swipes were taken around the BAGPIPE primary containment barrier and in the diagnostics room. No evidence that any SNM was released into the tunnel complex was found and the BAGPIPE containment was considered successful.
Date:
October 19, 2000
Creator:
Burkhard, N. R.; Heinle, R. A. & Stubbs, T. F.
Object Type:
Report
System:
The UNT Digital Library
The Baytown Sun (Baytown, Tex.), Vol. 78, No. 328, Ed. 1 Thursday, October 19, 2000
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
October 19, 2000
Creator:
Cash, Wanda Garner
Object Type:
Newspaper
System:
The Portal to Texas History
Bogata News (Bogata, Tex.), Vol. 90, No. 23, Ed. 1 Thursday, October 19, 2000
Weekly newspaper from Bogata, Texas that includes local, state, and national news along with advertising.
Date:
October 19, 2000
Creator:
Nichols, Nanalee & Nichols, Thomas
Object Type:
Newspaper
System:
The Portal to Texas History
Brand (Abilene, Tex.), Vol. 88, No. 5, Ed. 1, Thursday, October 19, 2000
Weekly student newspaper from Hardin-Simmons University in Abilene, Texas that includes local, state and campus news along with advertising.
Date:
October 19, 2000
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Buildings for the 21st Century Newsletter, Fall 2000
This issue of Buildings for the 21st Century, a quarterly newsletter on the DOE building programs and technology, highlights the new high-performance visitor center at Zion National Park, Maryland's new Clean Energy Incentive Act, the Ohio State Weatherization Program, the Rebuild America Program and Native American communities joining forces, and Energy Star{reg_sign} clothes washers.
Date:
October 19, 2000
Creator:
Tromly, K.
Object Type:
Journal/Magazine/Newsletter
System:
The UNT Digital Library
As-Built Verification Plan Spent Nuclear Fuel Canister Storage Building MCO Handling Machine
This as-built verification plan outlines the methodology and responsibilities that will be implemented during the as-built field verification activity for the Canister Storage Building (CSB) MCO HANDLING MACHINE (MHM). This as-built verification plan covers THE ELECTRICAL PORTION of the CONSTRUCTION PERFORMED BY POWER CITY UNDER CONTRACT TO MOWAT. The as-built verifications will be performed in accordance Administrative Procedure AP 6-012-00, Spent Nuclear Fuel Project As-Built Verification Plan Development Process, revision I. The results of the verification walkdown will be documented in a verification walkdown completion package, approved by the Design Authority (DA), and maintained in the CSB project files.
Date:
October 19, 2000
Creator:
SWENSON, C.E.
Object Type:
Report
System:
The UNT Digital Library
The Canadian Record (Canadian, Tex.), Vol. 110, No. 42, Ed. 1 Thursday, October 19, 2000
Weekly newspaper from Canadian, Texas that includes local, state and national news along with extensive advertising.
Date:
October 19, 2000
Creator:
Ezzell, Nancy & Brown, Laurie Ezzell
Object Type:
Newspaper
System:
The Portal to Texas History
Cherokeean/Herald (Rusk, Tex.), Vol. 151, No. 35, Ed. 1 Thursday, October 19, 2000
Weekly newspaper from Rusk, Texas that includes local, state and national news along with extensive advertising.
Date:
October 19, 2000
Creator:
Whitehead, Marie
Object Type:
Newspaper
System:
The Portal to Texas History
The Colony Courier-Leader (The Colony, Tex.), Vol. 19, No. 36, Ed. 1 Thursday, October 19, 2000
Weekly newspaper from The Colony, Texas that includes local, state, and national news along with advertising.
Date:
October 19, 2000
Creator:
Newsom, Tommy
Object Type:
Newspaper
System:
The Portal to Texas History
Comanche Chief (Comanche, Tex.), No. 24, Ed. 1 Thursday, October 19, 2000
Weekly newspaper from Comanche, Texas that includes local, state, and national news along with advertising.
Date:
October 19, 2000
Creator:
Wilkerson, James C., III
Object Type:
Newspaper
System:
The Portal to Texas History
Computational Biology and High Performance Computing 2000
The pace of extraordinary advances in molecular biology has accelerated in the past decade due in large part to discoveries coming from genome projects on human and model organisms. The advances in the genome project so far, happening well ahead of schedule and under budget, have exceeded any dreams by its protagonists, let alone formal expectations. Biologists expect the next phase of the genome project to be even more startling in terms of dramatic breakthroughs in our understanding of human biology, the biology of health and of disease. Only today can biologists begin to envision the necessary experimental, computational and theoretical steps necessary to exploit genome sequence information for its medical impact, its contribution to biotechnology and economic competitiveness, and its ultimate contribution to environmental quality. High performance computing has become one of the critical enabling technologies, which will help to translate this vision of future advances in biology into reality. Biologists are increasingly becoming aware of the potential of high performance computing. The goal of this tutorial is to introduce the exciting new developments in computational biology and genomics to the high performance computing community.
Date:
October 19, 2000
Creator:
Simon, Horst D.; Zorn, Manfred D.; Spengler, Sylvia J.; Shoichet, Brian K.; Stewart, Craig; Dubchak, Inna L. et al.
Object Type:
Article
System:
The UNT Digital Library