UNT Libraries Government Documents Department - 7 Matching Results

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An Appraisal of Minerals Availability for 34 Commodities

Description: From Program Overview: "This bulletin summarizes and updates availability information published in individual mineral commodity appraisals since 1979. it also marks achievement, after 15-yr systems and data development history, of a major Bureau goal to build computer-based systems and the necessary staff infrastructure to perform timely, commodity-wide assessments with comparable cost frameworks."
Date: 1987
Creator: United States. Bureau of Mines.

Fire Doors for Noncoal Mines

Description: Report issued by the U.S. Bureau of Mines discussing the development and use of fire doors in non-coal mines. As stated in the abstract, "this report discusses current fire-door technology in the context of the underground mine environment and the design, fabrication, lab testing, and in-mine field testing of a mine-worthy fire door" (p. 1). This report includes tables, illustrations, and photographs.
Date: 1987
Creator: Bickel, Kenneth L. & Pomroy, William H.

The Manganese Industry of the U.S.S.R.

Description: Report presenting a study of the Soviet manganese industry, which is intended to aid in assessing the present and future role of the U.S.S.R. on the world supply. Information is provided on reserves, mining, technology, ferroalloy production, trade, and consumption.
Date: September 1987
Creator: Strishkov, Vasilii V. & Levine, Richard M. (Richard Michael), 1944-

Thermodynamic Properties of Sulfides

Description: Bulletin issued by the U.S. Bureau of Mines containing a compilation of thermodynamic data regarding sulfides. There are tables for standard heat capacities (includes equations), standard entropies, high-temperature relative enthalpies (includes equations), Gibbs energy functions, enthalpies of formation (includes equations), Gibbs energies of formation (includes equations) and logarithms of the equilibrium constants. Documentation in the introduction explains how the tables are organized and use of the data.
Date: 1987
Creator: Pankratz, L. B.; Mah, Alla D. & Watson, S. W.