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High-pressure hydrogen apparatus for PCT studies up to approx. 700 MPa and 200/sup 0/C: preliminary results on LaCo/sub 5/H/sub 9/ /sub 0/ at 21/sup 0/C
An apparatus has been developed to react samples with hydrogen at pressures of up to 689.5 MPa (6805 atm) and temperatures of up to 200/sup 0/C. It is being used to determine whether RT/sub 5/ and RT/sub 3/ compounds (where R is a lanthanide element and T is a 3-d transition element, usually cobalt or nickel) ''fill up'' with hydrogen when subjected to high hydrogen pressures. Preliminary experiments with LaCo/sub 5/ in this apparatus showed a new (third) plateau at 126.7 MPa (1250 atm) in the PCT diagram; only two plateaus have previously been reported. There is an abrupt upturn at an H/LaCo/sub 5/ ratio of approximately 8.23. A second run showed an upturn at 8.76. The maximum loading is nine atoms of hydrogen.
Date:
February 27, 1976
Creator:
Lakner, J. F.; Steward, S. A. & Uribe, F.
System:
The UNT Digital Library
Cost-of-Living Increases Under the Civil Service Retirement System
This report is an examination of the history of cost-of-living provisions under the civil service retirement systems and contains arguments for and against amending the formula for computing cost-of-living increases.
Date:
February 27, 1976
Creator:
Greenberg, Joel M.
System:
The UNT Digital Library
The Impoundment Control Act of 1974: Legislative History and Implementation
This report is on The Impoundment Control Act of 1974: Legislative History and Implementation.
Date:
February 27, 1976
Creator:
Schick, Allen
System:
The UNT Digital Library
The Imoundment Control Act of 1974: Legislative History and Implementation
None
Date:
February 27, 1976
Creator:
Allen Shick
System:
The UNT Digital Library
Summary of the Stratigraphy, Sedimentology, and Mineralogy of Pennsylvanian and Permian Rocks of Oklahoma in Relation to Uranium-Resource Potential
Report describes the structural and stratigraphic framework, depositional environment, and petrology and petrography of the various Pennsylvanian-Permian time and rock units present in Oklahoma. This report identifies five geologic settings favorable for the localization of uranium, such as alluvial fan deposits, oil-productive structures where Permian sandstones are altered, tidal-flat sandstone-silstones, channel sandstones on gentle structural features, and oil-productive Cherokee sandstones.
Date:
February 27, 1976
Creator:
Shelton, John W. & Al-Shaieb, Zuhair
System:
The UNT Digital Library