Search Documents

Search Again

Search Again

Refine Search

Publication Date
Clear

Refine Search

Publication Date
Clear
Organization
Organization
  • NIOSH
    RI 5591 Properties Of Titanium-Vanadium-Cobalt Alloys ? Summary

    By J. D. Ramsdell

    To obtain information on the effects of cobalt on microstructure and tensile properties of titanium-vanadium-cobalt alloys, the composition ranges of 4 to 16 percent vanadium with 1 to 4 percent cobal

    Jan 1, 1960

  • NIOSH
    OFR-103(1)-75 Circuit Breaker Development And Application - USBM Contract Phase I Report - Section 1. Program Objectives And Results - 1. 1 Background

    By D. A. Paice

    Direct current electrical systems are used in most coal mines primarily to power the main haulage trains and secondarily to feed other equipment and passageway lighting. Electrical power is supplied f

    Jan 1, 2012

  • NIOSH
    RI 4256 Investigation Of Arkansas Bauxite ? Volume VI (Deposits in N 1/2, T. 1 S., R. 12 W., Cont?d)

    By M. C. Malamphy

    A general description of the activities and results of bauxite investigation by the Bureau of Mines at its bauxite project in Saline and Pulaski Counties, Ark., has been given in Report of Investigati

    Jan 1, 1948

  • NIOSH
    IC 7759 Block-Caving Methods At The Sunrise Mine Platte County, Wyo. ? Introduction

    By F. L. Wideman

    This paper is one of a series on mining methods being published by the Bureau of Mines. It describes briefly mining practices at the Sunrise iron mine of the Colorado Fuel & Iron Corp., Platte County,

    Jan 1, 1956

  • NIOSH
    Mining And Preparing Domestic Graphite For Crucible Use. - Prefatory Statement.

    By George D. Dub

    The Bureau of Mines, in connection with the investigations of war minerals it conducted, examined the graphite deposits of this country, studied the methods of mining and preparation used, and sought

    Jan 1, 1920

  • NIOSH
    RI 5994 Effect Of Ionizing Radiation On The Chlorination Of Mixtures Of Rutile, Carbon, And Various Catalysts ? Summary

    By A. A. Cochran

    The purpose of this Bureau of Mines research was to investigate the theoretical and practical aspects of using ionizing radiation to promote chemical reactions that are of interest to metallurgists, a

    Jan 1, 1962

  • NIOSH
    IC 9245 A User's Manual For MFIRE: A Computer Simulation Program For Mine Ventilation And Fire Modeling

    By Xintan Chang

    MFIRE is a computer simulation program that performs normal ventilation network planning calculations and dynamic transient-state simulation of ventilation networks under a variety of conditions. The

    Jan 1, 1990

  • NIOSH
    RI 6029 Pyrolysis Of Five Salts Of Yttrium, Lanthanum, And Cerium

    By Louis P. Domingues

    As part of a study on high-temperature ceramic materials, the ammonium sulfate, carbonate, nitrate, oxalate, and sulfate salts of yttrium, lanthanum, and cerium were analyzed thermogravimetrically. Th

    Jan 1, 1962

  • NIOSH
    Carbonizing Properties Of West Virginia Coals And Blends Of Coals From The Alma, Cedar Grove, Dorothy Powellton A, Eagle, Pocahontas And Beckley Beds ? Introduction

    By A. C. Fieldner

    In 1927 the Carbonization Committee of the American Gas Association proposed cooperation with the Bureau of Mines in the development of suitable methods for determining the carbonizing properties of A

    Jan 1, 1938

  • NIOSH
    OFR-76-76 Development Of Protective Canopy Concepts For Underground Rail Haulage - 1. Introduction

    By Hanns J. Billmayer

    This report, which covers the period from April 1975 to November 1975, describes the work performed in compliance with the requirements of Contract No. H0357091. The purpose of this contract was the d

    Jan 1, 1976

  • NIOSH
    IC 7341 Literature Survey Of The Metallurgy Of Zirconium ? Introduction

    By W. J. Kroll

    This report on the bibliography of zirconium has been confined to those publications and patents that appear to be useful in the commercial development of the metal, both the malleable and the nonmall

    Jan 1, 1946

  • NIOSH
    IC 9167 Analyses Of Natural Gases, 1986

    By B. J. Moore

    This publication contains analyses arid related source data for 274 natural gas samples from 20 States. Of the total samples, 269 were collected during calendar year 1985; the reminder were collected

    Jan 1, 1987

  • NIOSH
    An Evaluation Of The Strength Of Slender Pillars

    Pillars with width to height ratios of less than 1.0 are frequently created in underground hard rock mines. The strength of slender pillars can be estimated using empirically developed equations. Ho

  • NIOSH
    RI 3251 Engineering Studies And Results Of Acid Treatment Of Wells, Zwolle Oil Field, Sabine Parish, La. - Introduction

    By R. E. Heithecker

    The Zwolle oil field of Sabine Parish, La., is different from most oil producing areas of the State in that the oil is obtained from marl and chalkrock formations. The thickness of the reservoir rocks

    Jan 1, 1934

  • NIOSH
    IC 7300 Milling And Smelting Operations Of The Magma Copper Co., Superior, Ariz. ? Introduction

    By Edward J. Caldwell

    In 1930 the Bureau of Mines published a description3/ f the concentrating process of the Magma Copper Co. as it had been developed to that time and was then employed. The prevent paper revises the des

    Jan 1, 1944

  • NIOSH
    U.S. Bureau Of Mines Training Workshop On The "Mfire" Mine Fire And Ventilation Simulator - Mfire Users Manual Version 2.20 August 1995 ? Introduction

    MFIRE is a computer simulation program that performs normal ventilation network planning calculations, and dynamic transient state simulation of ventilation networks under a variety of conditions. The

    Jan 1, 1995

  • NIOSH
    IC 6468 Iceland Apar and Optical Fluorite

    By H. Herbert Hughes

    Iceland spar is a variety of calcite ( calcium carbonate ) characterized by its purity , transparency , and perfection of crystalline structure . It takes its name from the country in which it was dis

    Jul 1, 1931

  • NIOSH
    IC 8002 Methods For Producing Secondary Copper ? Introduction And Summary

    By Max J. Spendlove

    The secondary copper industry is comprised of numerous enterprises which collectively employ many of the recovery and refining processes now used in primary plants as well as many other processes that

    Jan 1, 1961

  • NIOSH
    RI 2691 Recent Developments In The Production And Consumption Of Abrasive Garnet

    By C. O. Anderson, W. M. Meyers

    Since 1922, when a brief report3 on the production and utilization of garnet was issued by the Bureau of Mines, there have been a number of interest—in developments in the technology of that mineral.

    Jun 1, 1925

  • NIOSH
    IC 9024 Feasibility Of Water Diversion And Overburden Dewatering

    By Noel N. Moebs

    The Bureau of Mines studied the feasibility of water diversion and overburden dewatering for underground coal mines in the Appalachian region. All relevant published literature pertaining to the occur

    Jan 1, 1985