Search Documents

Search Again

Search Again

Refine Search

Publication Date
Clear

Refine Search

Publication Date
Clear
Organization
Organization
  • NIOSH
    RI 4777 Thermal Decomposition Products And Burning Characteristics Of Some Synthetic Low-Density Cellular Materials

    By H. A. Watson

    The introduction and use of synthetic materials in various applications may lead to potential hazards from toxic, gaseous, decomposition products if these materials are subjected to conditions abnorma

    Jan 1, 1951

  • NIOSH
    RI 8849 - Purification of Zirconyl Sulfate by Solvent Extraction

    By D. J. MacDonald

    The Bureau of Mines has conducted bench-scale investigations leading to the design of an integrated process for producing reactor-grade zir-conium oxide (Zr02) from zircon sand, which avoids the air p

    Jan 1, 1984

  • NIOSH
    IC 9215 Mine Ventilation Computer Code For Personal Computers

    By Daniel Ng

    The U.S. Bureau of Mines-Michigan Technological University mine ventilation mainframe program was successfully adapted for execution in a personal computer (PC). The hardware requirement can be as mod

    Jan 1, 1989

  • NIOSH
    RI 6696 Variables In The Use Of Hot-Finished Mild Steel Coupons For Corrosion Inhibitor Testing

    By Jerry B. F. Champlin

    NIOSHAn accelerated testing procedure developed by the Bureau of Mines for evaluating commercially available corrosion inhibitors is described. Ultra-sonic agitation of the corrodent solutions and the

    Jan 1, 1965

  • NIOSH
    RI 7296 Laboratory Oil-Recovery Tests With Ultrasonically Formed Emulsions

    By C. A. Komar

    The Bureau of Mines conducted oil-displacement tests in the laboratory with three water-in-oil and five oil-in-water emulsions that were created with ultrasonic energy at a frequency of 20 kHz and an

    Jan 1, 1969

  • NIOSH
    OFR-14-84 Improved Crowd Limit Switches And Greenhorn For Electric Shovels

    By Gary Choate

    The work presented in this report represents the background activity which led to the fabrication and testing of a greenhorn and crowd limit switch system for electric shovels. The program began With

    Jan 1, 1983

  • NIOSH
    OFR-39-73 Research And Development On Lithium-Nickel Fluoride Batteries For Mine Life Support Equipment - 1.0 Abstract And Summary

    By C. Lurie

    This final report describes the work performed by Gulton Battery Corporation under USBM Contract No. HO-112033, entitled "Research and Development on Lithium-Nickel Fluoride Batteries For Mint Life Su

    Jan 1, 1973

  • NIOSH
    RI 6647 Removing Copper From Copper Clad Steel By Oxidation

    By R. J. Leary

    Oxidation testing of copper-clad steel strip was performed in a muffle furnace to determine whether copper in contact with steel scrap could be removed by oxidation in an airstream at high temperature

    Jan 1, 1965

  • NIOSH
    OFR-47(10)-83 Ecological Studies On The Revegetation Process Of Surface Coal Mined Areas In North Dakota - 10. Elements Of Macro- And Microclimate

    By Richard H. Bares

    The general or macroclimate of the study sites in western North Dakota is characterized by rapid and sometimes extreme daily and day-to-day temperature fluctuations, rainfall patterns which are errati

    Jan 1, 1982

  • NIOSH
    RI 8010 Accuracy and Precision of Several Portable Gas Detectors - Additional Studies, A Supplement to RI 7811

    By H. B. Carroll

    The performance of commercially available portable instrumentation for detecting nitrogen dioxide, sulfur dioxide, and hydrogen sulfide was evaluated. Length-of-stain detector tubes from several manuf

    Jan 1, 1975

  • NIOSH
    RI 2588 Fractional "Eduction" Of Oil From Oil Shale. ? Introduction

    By Martin J. Gavin

    [The theory of fractional "eduction" of oil from oil shale has been used by several inventors as the basis for the design of retorts for the production of oil f roan the oil shales of the United Stat

    Jan 1, 1924

  • NIOSH
    RI 8676 Chromium Recovery From Nickel-Cobalt Laterite and Laterite Leach Residue

    By D. E. Kirby

    In line with the Bureau of Mines' goal of providing technology to maintain a supply of minerals adequate to meet national economic and strategic needs, a method for recovering chromite from later

    Jan 1, 1982

  • NIOSH
    RI 8978 - Pressure Leaching Alumina From Raw Kaolinitic Clay Using Hydrochloric Acid

    By D. L. Sawyer

    The Bureau of Mines studied alumina extraction from uncalcined, kao-linitic clay at temperatures from 1000 to 2500 C using 20-or 27-wt-pct-HCI concentrations and with an acid-to-clay ratio of from 0.8

    Jan 1, 1985

  • NIOSH
    RI 4714 Use Of Explosives In Oil And Gas Wells -1949 Test Results

    By Bruce F. Grant

    This report discusses research being done by the Petroleum and Natural Gas Branch und the Applied Physics Branch of the Bureau of Mines to deter-mine the most effective uses of explosives in shooting

    Jan 1, 1950

  • NIOSH
    OFR-46-88 Combining Laser Measurements With Backward Wave Techniques For Evaluation Of Underground Openings

    By G. L. Fitzpatrick

    A portable optical instrument for performing multispot laser vibrometry is described. The instrument is capable of measuring arrival times, surface motion frequency, and surface velocity and displayin

    Jan 1, 1987

  • NIOSH
    RI 8529 Dewatering Florida Phosphatic Clay Wastes With Moving Screens

    By L. W. Brandt

    The Bureau of Mines, as part of its mission to effect pollution abatement, conducted research to study various means of dewatering Florida phosphatic clay wastes and reclaiming mined lands. The work w

    Jan 1, 1980

  • NIOSH
    RI 4888 Some Thermodynamic Properties Of Silicon Carbide

    By G. L. Humphrey

    Although silicon carbide has been an important manufacture refractory for many years, knowledge of its thermodynamic values has been seriously lacking. In fact, some of the very properties that make i

    Jan 1, 1952

  • NIOSH
    RI 9070 - Fine Grinding of Coal by the Turbomilling Process

    By E. G. Davis

    As a result of interest by the U.S. Department of Energy, the Bureau of Mines conducted studies on comminution of bituminous coal to the 2-um particle size range using the Bureau-developed turbomill.

    Jan 1, 1987

  • NIOSH
    OFR-102-84 A Feasibility Study For The Detection Of Weak Electromagnetic Signal/Bursts With Hard-Limited Arrays

    By M. Kanefsky

    Two channel polarity coincidence and polarity difference statistics are analyzed. The signal, common to both channels, consists of sinusoidal bursts where the exact frequency of the signal is nearly k

    Jan 1, 1981

  • NIOSH
    OFR-190-83 Iowa Coal Project Demonstration Mine - Annual Progress Report -1982 - 1982 Crop Season

    By Stan Henning

    The monthly summary of the climatological record for the demonstration mine is presented in Table 1. Tear normal temperatures occurred throughout the growing season. From May to October precipitation

    Jan 1, 1982