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  • NIOSH
    Retrofitting Bulldozer Reduces Operator's Noise Exposure - Objective

    Reduce permanent hearing losses to bulldozer operators. Approach Two types of noise control packages have been developed, that can be readily fabricated and installed into bulldozers by mine per

    Jan 1, 1981

  • NIOSH
    Technology News - No. 486 - Floor Heaters Can Increase Operator's Dust Exposure in Enclosed Cabs

    To reduce equipment operator exposure to respirable dust in enclosed cabs by examining the effectiveness of retrofitting air pressurization and filtration systems on existing cabs.

    Jan 1, 2001

  • NIOSH
    Thigh-Calf And Heel-Gluteus Contact Forces In High Flexion (Experimental Results) - Introduction

    By Jonisha P. Pollard

    In restricted vertical working heights such as low-seam coal mines, workers are forced to assume kneeling or squatting postures to perform work. These postures are associated

    Jan 1, 2009

  • NIOSH
    Acknowledgments – References – Glossary - Appendix

    This report was prepared by Jacob Tolsma and Arnold N. Johnson of the Uniroya 1 Research Center, Wayne, New Jersey. The valuable assistance and suggestions of the project officers, Mr. Ronald D. H

    Jan 1, 1972

  • NIOSH
    Personnel

    The faculty, graduate students, and post-doctoral researchers are an integral part of the Generic Mineral Technology Center for Respirable Dust. More than fifty (50) scientists, engineers, and medical

    Aug 31, 1989

  • NIOSH
    Ground Bed Design And Measurement

    By Wils L. Cooley, Herman W. Hill

    'The electrical behavior of ground beds is often quite different from what would be expected based on experience with electric circuits. An explanation for this unique behavior is given, through

    Jan 1, 1979

  • NIOSH
    RI 7175 Amino Acids As Retaining Agents For Separation Of Rare-Earth Elements On Ion-Exchange Resin

    By J. O. Winget

    Amino acids were investigated in conjunction with rare-earth separation by ion exchange to determine whether they can be utilized effectively as retaining agents for metals separation using ethylenedi

    Jan 1, 1968

  • NIOSH
    Prices (f8099d14-7d89-45a2-bfd2-d63012b53173)

    By Charles L. Kimbell

    The series summarizing the prices of the major nonferrous metals on the stock exchanges of the United States and the United Kingdom has been continued this year in tables 23 and 24. Time constraints h

    Jan 1, 1993

  • NIOSH
  • NIOSH
    Mine Power Systems Research – 1. Trailing Cables

    By Staff

    This Bureau of Mines report is devoted to descriptions of investigations pertaining to underground mine trailing cables, their handling, splicing, and the use of couplers.

    Jan 1, 1979

  • NIOSH
    Minor Nonmetals

    By D. O. Kennedy

    THIS CHAPTER on minor nonmetals covers greensand, meerschaum, mineral wool, and wollastonite. Mineral wool was by far the most valuable material among these minor nonmetals reported in the United Stat

    Jan 1, 1958

  • NIOSH
    Conclusions

    By Rudolf E. Greuer, Linneas W. Laage, Xinton Chang

    The PC version of the program MFIRE contains many improvements and enhancements previously unavailable for the modeling of mine ventilation networks and the interaction of fires with mine ventilation

    Jan 1, 1990

  • NIOSH
    APPENDIX C - Channel Sampling Data and Hardgrove Grindability Test Data

    By Thomas V. Falkie, R. Venkataramani

    Table 15. Summary of Physical Characteristics of Coal and Shale from Channel Samples. Table

    Jan 1, 1972

  • NIOSH
    Comparison Of Methane Concentrations At A Simulated Coal Mine Face During Bolting

    By Jeanne A. Zimmer, Charles D. Taylor, Edward D. Thimons

    Strategies for monitoring methane levels during roof bolting in an extended cut entry were evaluated. Testing was conducted at the Pittsburgh Research Laboratory’s methane test gallery. Operating cond

  • NIOSH
    Appendix C - Program Input Controls

    By R. V. Ramani, A. S. C. Owili-eger

    System Size N,NX Number of blocks in x-direction M,NY Number of blocks in y-direction NTIMES Number of systems to be simulated LENGTH Length of medium WIDTH Width of medium THICK Thickness of me

    Jan 1, 1974

  • NIOSH
    New Safer Truck Ladders Are Also Crash Resistant - Objective

    Reduce injuries caused by slips and falls from large haulage vehicles. Approach Replace the flexible-cable or chain-type lower ladder steps, with steps that extend closer to the ground and do no

    Jan 1, 1980

  • NIOSH
    Bulletin 80 A Primer on Explosives for Metal Miners and Quarrymen

    By Clarence Hall, Charles E. Munroe

    In accidents resulting from the use of explosives in metal mines and quarries in the United States more than 130 men were killed and 250 seriously injured during the calendar year 1913. More- over, an

    Jan 1, 1915