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OFR-6-87 Mine Hoist Electrical Systems Study - Volume III - Microprocessor Application Study: Safety-Related Issues Associated With The Application Of Microprocessors In Mine Hoist Systems.
By C. Richard Groves
As the level of technology applied in the electrical measurement, control, and display portions of mine hoist systems continues to advance, the issues and concerns associated with the ramifications of
Jan 1, 1986
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RI 3843 Suggested Methods for Installing Dust-Allaying Equipment in Bituminous-Coal Mines
By C. W. Owings
"PURPOSE OF REPORTMany bituminous coal-mine officials realize that coal dust presents an ever-present coal-mine explosion hazard, and that persons forced to breathe large quantities of it may be more
Nov 1, 1945
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RI 8284 Smelting Cement Copper in an Electric-Arc Furnace - With an Appendix on Analytical Techniques by R. F. Farrell and W. J. Niebuhr
By D. L. Paulson
Electric furnace smelting of blister copper directly from copper precipitates (cement copper) was investigated by the Federal Bureau of Mines. Copper concentrations in five different lots of cement co
Jan 1, 1978
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IC 7760 Dust Control In Mining, Tunneling, And Quarrying In The United States ? Summary
By C. W. Owings
Available literature published or abstracted in 1953 and 1954 relating to dust prevention and suppression has been summarized and reviewed in this report, and un-published information also is included
Jan 1, 1956
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RI 6418 Corrosion Resistance of Diborides in the Psendodibinary System TiB
By Gilbert M. Farrior
Tests of resistance to molten metals , to oxidation at elevated temperatures , and to various chemical reagents were made for a series of compositions in the TiB₂ - CrB₂ subsystem . In reaction with m
Jan 1, 1964
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IC 8974 Methods For Producing Platinum-Group Metal Coatings From Molten Alkali Cyanides
By Richard P. Walters
This Bureau of Mines report reviews and assesses the technology for preparing electrodeposited coatings of the platinum-group metals from molten alkali metal cyanide baths. Methods are described for t
Jan 1, 1984
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RI 6940 Extraction Of Germanium And Gallium From Coal Fly Ash And Phosphorus Furnace Flue Dust
By R. F. Waters
Laboratory-scale selective volatilization methods developed by the Bureau of Mines to recover germanium and gallium concentrates from coal fly ash and phosphorus furnace flue dust are summarized. In t
Jan 1, 1967
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Bulletin 212 Analytical Methods for Certain Metals
By J. P. BONARDI, C. W. Davis, R. B. Moore, J. W. MARDEN, S. C. Lind, J. E. Conley
The rare metals are becoming increasingly important to our industries. Rare-metal alloys have properties which indicate that we are only on the threshold of the possibilities of their utilization, not
Jan 1, 1923
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Bulletin 213 Talc and Soapstone Their Mining Milling Products and Uses
By Raymond B. Ladoo
Talc is a hydrous magnesium silicate having the chemical formula H2Mg3 (SiO8 ) 4 ; it is often called steatite, soapstone or potstorie, and by the trade names talc clay, agalite, asbestine, and verdol
Jan 1, 1923
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Bulletin 224 Surface Machinery and Methods for Oil Well Pumping
By H. C. George
This bulletin deals with prime movers, power-transmitting machinery, and the surface equipment and methods used to pump oil wells. It does not discuss geological problems nor the methods and equipment
Jan 1, 1925
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RI 8807 - Corrosion Resistance of Ceramic Materials to Hydrochloric Acid
By James P. Bennett
To identify construction materials for emerging technology in chemical and metallurgical processes, the Bureau of Mines investigated the acid resistance of ceramic materials. Eight commercial ceramic
Jan 1, 1983
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OFR-4-84 Blasthole Depth And Stemming Height Measuring Systems
By Calvin J. Konya
Overloaded blastholes and insufficient stemming are major factors in flyrock accidents at surface metal and non-metal mines, Accurate measurement of blasthole depth, stemming height, and water depth w
Jan 1, 1981
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RI 6711 Devitrification Of A Lithium Disilcate Glass
By Henry M. Harris
The Bureau of Mines investigated a glass containing approximately 17 percent lithia and 83 percent silica to establish a method of devitrifying cast and rolled shapes. Glass shapes with high strength
Jan 1, 1965
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IC 6718 Mining Laws Of Madagascar ? Prefatory Note
By R. M. Santmeyers
This paper presents one of a series of digests of foreign mining legislation and curt decisions that is being prepared in advance of a. general report relative to the rights of American citizens to ex
Jan 1, 1933
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RI 2520 Fuels Available for Domestic Use as Substitutes for Anthracite Coal
By RUDULF KUDLICH
Pennsylvania anthracite coal is almost universally recognized to be the solid fuel best suited for domestic use when cleanliness , convenience and cost are considered . At various times and in various
Aug 1, 1923
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IC 6778 Mining Laws Of British Honduras ? Part I. ? General ? Prefatory Note
By E. P. Youngman
This paper is one of a series of digests of foreign mining legislation and court decisions that is being prepared in advance of a general report relative to the right of American citizens to explore f
Jan 1, 1934
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IC 9285 Soil Characterization And Soil Amendment Use On Coal Surface Mine Lands: An Annotated Bibliography
By Michael R. Norland
This U.S. Bureau of Mines report on U.S. and Canadian 1iterature pertaining to soil characterization and the use of soil amendments as a part of the reclamation process of coal surface-mined lands con
Jan 1, 1991
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The National Fuel Efficiency Program During The War Years 1943-45 - General Plan
By J. F. Barkley
To reduce fuel consumption in industrial and commercial fuel-burning plants throughout the Nation, cooperative efforts of thousands of individuals are required. These individuals are scattered over th
Jan 1, 1948
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Diatomites Of The Pacific Northwest As Filter-Aids - Introduction - Purpose Of Investigation
By Kenneth G. Skinner
Diatomite, also known as diatomaceous earth, diatomaceous silica, kieselguhr, and moler, has been used extensively for many years, but only during the past two decades has it become an important indus
Jan 1, 1944
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Stone, Sand & Gravel Review - 2002 Annual Report - 100 Years Of Improvement In Aggregate Worker Safety
By Thomas Mucho, Anthony Iannacchione
This marks the 100th year that the aggregate industry has been served by a national association. Of all the accomplishments this longstanding relationship has achieved, there is probably none greater
Jan 1, 2003