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One-Electron Reduction of Vanadium(V) by Flavoenzymes/NADPH
By N. S. Dalal, X. Shi
It has been known for more than a decade that vanadium (V) stimulates the oxidation of NADH by plasma membranes (1) but the underlying mechanism is still not fully understood. This effect has been att
Nov 1, 1995
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OFR-9(5)-72 Coal Mine Rescue And Survival System - Volume V - Executive Summary - 1. Coal Mine Rescue And Survival System
This volume summarizes the contract work performed over a nine-month period by Westinghouse Electric Corporation on a Cost Plus Fixed Fee Contract for the Department of Interior's Bureau of Mines
Jan 1, 1971
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RI 3858 Exploration of the Piedmont Manganese Belt McCormick County, South Carolina and Wilkes County. Georgia
By William A. Beck
"The Piedmont Manganese Belt extends from Taliferro County, Georgia, 70 miles in a northeasterly direction through Greenwood County, South Carolina, and conforms with the trend of the Piedmont Provinc
Apr 1, 1946
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RI 3921 Exploration of Elk Mtn Mica Deposit - San Miguel Co., NM
By Ray J. Holmquist
"INTRODUCTION The Elk Mountain mica deposit was examined in June 1943 by the Bureau of Mines. An exploratory project and an access road for the property were recommended, provided the zinc was put in
Jul 1, 1946
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IC 9313 Roof Control Of Stress-Relief Jointing Near Outcrops In Central Appalachian Drift Coal Mines
By Gary P. Sames
This report discusses some practical applications of a geotechnical investigation conducted by the U.S. Bureau of Mines that can help mine operators meet revised Federal regulations in their roof cont
Jan 1, 1992
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Detection of Reactive Free Radicals in Fresh Coal Mine Dust and Their Implication for Pulmonary Injury
By N. S. Dalal, B. Jafari, F. H. Y. Green, M. M. Suryan, V. Vallyathan
"Freshly ground and aged anthracite and bituminous coal samples were investigated by electron spin resonance (ESR) spectroscopy to detect the presence, concentration and reactivity of free radicals. F
Jan 1, 1989
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RI 4554 Investigation Of Colorado Minerals Co. Calcite Deposits, Archuleta And Hinsdale Counties, Colo.
By Ernest V. Deshayes
The Colorado Minerals Co. calcite properties in Archuleta and Hinsdale Counties, Colo., (fig. 1) were examined by Bureau of Mines engineers in 1943. The demand for optical calcite during the war promp
Jan 1, 1949
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RI 4821 Raw Materials For The Mineral-Wool Industry
By C. H. Gorski
Evaluation of raw materials for mineral wool is one phase of the Bureau of Mines broad program for the more effective utilization: of our mineral resources. The experimental work and test-evaluation r
Jan 1, 1951
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IC 7858 Using Precast Reinforced-Concrete Sets In The Pioneer Tunnel Of Great Northern Railway's Cascade Tunnel, King County, Wash. ? Summary And Introduction
By E. W. Parsons
Permanent support of the back is an important economic factor in maintaining a tunnel or other underground opening in condition to render the service for which it was driven. Timber has been most comm
Jan 1, 1958
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IC 8593 Determining Discounted Cash Flow Rate Of Return And Payout Time For Onshore Development Wells - A Graphical Method
By T. M. Garland
A nomographical approach is proposed as a fast, easy-to-use, and reason- ably accurate method for estimating expected discounted cash flow (DCF) rate of return and payout time for onshore development
Jan 1, 1973
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RI 8392 Forecasting Methane Hazards in Metal and Nonmetal Mines (8a64cc03-8bbb-431a-a564-48ff68548975)
By Edward D. Thimons
Because of the high number of accidental methane gas ignitions in metal and nonmetal mines, the Bureau of Mines searched for a simple guideline that would allow mine personnel to evaluate the methane
Jan 1, 1979
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RI 7860 Permeability Changes and Compaction of Broken Oil Shale During Retorting
By Edward L. Burwell
The Bureau of Mines conducted laboratory experiments to determine the change during retorting in the apparent permeability and the degree of compaction of beds of broken oil shale. Grades of oil shale
Jan 1, 1974
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Measurement of Diesel Exhaust Aerosol in Underground Coal Mines
By B. K. Cantrell, K. L. Rubow
"Quantifying exposure to diesel exhaust aerosol in an underground coal mine depends on the ability to measure this component of respirable mine aerosol separately from coal dust. Such measurement is c
Mar 1, 1992
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OFR-111(2)-77 Selection And Use Manual For Automatic Fire Protection Systems For Mobile Underground Metal Mining Equipment ? Introduction
This manual is for use by mine operating personnel and vehicle manufacturers in the selection and proper use of automatic fire protection systems for underground metal and non-metal mining vehicles. M
Jan 1, 2011
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RI 4324 Core Drilling At The Victory Fluorspar Mine, Hardin County, Ill.
By O. M. Bishop
From October 1943 to March 1944, the Bureau of Mines conducted core drilling at the Victory fluorspar mine, Hardin County, Ill. to test the Fredonia limestone and the included sub-Rosiclare sandstone
Jan 1, 1948
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IC 7152 Methods And Costs Of Mining Zinc-Lead Ores At The Pend Oreille Mines & Metals Co., Metaline Falls, Wash. - Introduction
By Charles A. R. Lambly
This paper, which describes the mining practices of the Pend Oreille Mines & Metals Co. at Metaline Falls, Wash., is one of a series being prepared by the Bureau of Mines on mining practices, methods,
Jan 1, 1941
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RI 6921 Effect Of Weather On Sound Transmission From Explosive Shots
By R. L. Grant
The Bureau of Mines applied automatic computational methods to analyze the degree of correlation between sound transmission and atmospheric conditions. Statistical analysis of data collected over a 5-
Jan 1, 1967
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Marine Heavy Metal Project Offshore Name, Alaska ? Introduction
By Richard L. Jenkins
Systematic sampling, in reconnaissance fashion, of the continental shelves of the United States to define favorable areas of offshore mineral deposits, is one of the long-range marine mineral; program
Jan 1, 1968
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RI 8286 Foam Stimulation To Enhance Production From Degasification Wells in the Pittsburgh Coalbed (496337e6-c62a-4837-bf40-2e8fc9f8d2fb)
By Peter F. Steidl
Seven degasification wells have been completed in the Pittsburgh coalbed at the new Emerald mine near Waynesburg, Pa. Funding was provided by the Bureau of Mines to perform stimulation treatments on f
Jan 1, 1978
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Objectives And Constraints Of Through - The-Earth Electromagnetic Communication Systems
By Howard E. Parkinson
In 1969, new coal mine health and safety legislation was enacted in the United States. As a result of this legislation, the Department of Interior, Bureau of Mines has carried out communications resea
Jan 1, 1973