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OFR-21-85 Conservation And Substitution Technology For Critical Metals In Bearings And Related Components For Industrial Equipment And Opportunities For Improved Bearing Performance - Introduction
By Allen G. Gray
It's not news to you that the United States is highly vulnerable to potential problems in supply of critical and strategic metals, and that these metals - chromium, for example - are employed in
Jan 1, 1984
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RI 4586 Magnetic Surveys In The Iron Springs District Iron County, Utah
By Kenneth L. Cook
From March 1944 to July 1945 the Division of Geophysical Exploration of the Federal Bureau of Mines made magnetometer surveys of some of the principal iron ore deposits of the Iron Springs district, I
Jan 1, 1949
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Platinum experts predict demand could reach 93 t (3 million oz) despite price fluctuations
For the third successive year it appears that demand for platinum will exceed supplies of newly-mined metal, forecasts Johnson Matthey in its "Platinum 1987 Interim Review." Based on data available
Jan 2, 1988
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Some geochemical consequences of environmental change and human activity in Nova Scotia, Canada
By III, Peter J. Rogers, J. Gordon Ogden
A study is described which attempts to identify the chemical factors of common concern to environmental and exploration geochemistry as indicated by recent work in both disciplines in Nova Scotia. Cor
Jan 4, 1992
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IC 6314 Milling Methods And Costs At The Northern Idaho Mills Of The Bunker Hill And Sullivan Mining And Concentrating Co. ? Introduction
By R. S. Handy
This paper describing the milling practices at tae concentrators of the Bunker Hill and Sullivan Mining and Concentrating Co. is one of a series being prepared by the United States Bureau of Mines on
Jan 1, 1930
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RI 4465 The "Carbon-Oxygen Complex" As A Possible Initiator Of Explosions And Formation Of Carbon Monoxide In Compressed-Air Systems
By H. W. Busch
In the course of examinations by representatives of the Bureau of Mines of several compressed-air systems in which explosions had occurred, samples were obtained of the carbon deposits that are formed
Jan 1, 1949
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The Smelting Of Copper 'ores In The Electric Furnace.
By Dorsey Lyon
I. INTRODUCTION. In presenting, this paper the writers wish to call attention first of all to the fact that the electric furnace was not developed as a competitor of the combustion furnace, but: 1.
Jan 8, 1913
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IC 7143 Annual Report Of Research And Technologic Work On Coal, Fiscal Year 1940 - Introduction
By Arno C. Fieldner
This is the fifth of a series of annual reports4/ of technologic investigations conducted by the Bureau of Mines on the occurrence, properties, mining, preparation, and uses of coal. The research of t
Jan 1, 1940
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Notes on the Physical Action of the Blast-Furnace
By J. E. Johnson
IT is the purpose of the present paper, while not excluding chemical considerations, to deal more extensively with some of the physical and mechanical aspects of the blast-furnace process, and to poin
Sep 1, 1905
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Beneficiation and Utilization - Principles of Fuel Beds
By P. Nicholls
Though the burning of fuels extends far back into antiquity, and though fuel beds are the most common and widely distributed example of chemical actions and engineering practice, there has been little
Jan 1, 1936
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Beneficiation and Utilization - Principles of Fuel Beds
By P. Nicholls
Though the burning of fuels extends far back into antiquity, and though fuel beds are the most common and widely distributed example of chemical actions and engineering practice, there has been little
Jan 1, 1936
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IC 7130 Testing Respiratory Protective Equipment For Approval ? Introduction
By H. H. Schrenk
The purpose of respiratory protective equipment is to prevent the inhalation of harmful or objectionable atmospheres. Although constituents or contaminants that may render an atmosphere irrespirable o
Jan 1, 1940
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IC 6821 Tungsten - Part I ? Introduction
By William O. Vanderburg
[This circular is one of two papers on the tungsten industry in the United States end contains general information on the subject. The second paper which will be issued in the near future deals with t
Jan 1, 1935
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Flotation Plant Instrumentation
By Dexter C. Hatch
At MacIntyre Development of the National Lead Company, Taha s, New York,, the flotation plant was set up to recover ilmenite from the finer size fraction of the ore that cannot be efficiently treated
Jan 1, 1962
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Une mine à ciel ouvert et le déménagement d?un quartier : l?expérience de la Corporation minière Osisko à Malartic, Québec
By Julien Rivard
Au printemps 2011, la Corporation minière Osisko met en production le gisement Canadian Malartic, qui devient la plus importante mine d?or à ciel ouvert au Canada. Pour lui faire place, elle a déménag
May 1, 2011
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Port of Vancouver Expects a Huge Increase in Mineral Shipments
By G. S. Crawford
Forecasts prepared by the B.C. Research Council for the National Harbours Board suggest that mineral shipments through B.C. Lower Mainland port facilities will increase more than four-fold, from 6 to
Jan 1, 1968
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Mining Geology - Nickel Resources, Production and Utilization
By E. S. Moore
Although nickel was in use in alloys long before the Christian era, the metal was not discovered until 1751, when Cronstedt recognized it in niccolite from Sweden. The Chinese apparently used a nickel
Jan 1, 1932
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IC 8818 The Physical Chemistry Of Mineral-Reagent Interactions In Sulfide Flotation - Proceedings Of Symposium Held At College Park, Md., April 6-7, 1978
This: symposium was sponsored by the Bureau of Mines, U.S. Department of the lnterior, in order to critically examine the state-of-the-art of sulfide flotation chemistry and to define current and emer
Jan 1, 1980
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IC 7360 Cement In Latin America ? Introduction
By Oliver Bowles
In 1940 the Bureau of Mines issued a report describing all the cement plants of Latin America, their design, capacity, and output, and the cement imports, exports, and requirements of the several coun
Jan 1, 1946
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Electrochemical Characterization And Modeling Of A Solid Oxide Membrane-Based Electrolyzer For Production Of Magnesium And Oxygen
By Xiaofei Guan, Adam C. Powell, Uday B. Pal, Srikanth Gopalan
This paper reports a solid oxide membrane (SOM) electrolysis experiment using an LSM– Inconel inert anode current collector for production of Mg and O2 at 1423K. The electrochemical performance of the
Jan 1, 2014