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  • NIOSH
    The 1983 Economic Recovery And Measures Of Structural Change In The U.S. Economy And Mining Industry

    The last issue included a discussion of recent indications of a 1983 recovery and a brief analysis of the contribution of the U.S. mining industry to the gross national product (GNP). In this issue we

    Jan 1, 1983

  • NIOSH
    RI 9273 - Physical and Computer Modeling of Roof Bolt Systems

    By S. M. Dar

    The U.S. Bureau of Mines constructed a full-scale model of a 15-ft-wide coal mine entry to use in combination with finite-element analyses to investigate roof support systems and various types of roof

    Jan 1, 1989

  • NIOSH
    IC 8197 Methods And Costs Of Exploration And Pilot Plant Testing Of Ilmenite-Bearing Sands, Lakehurst Mine, The Glidden Co., Ocean County, N.J. (1d7a86d6-1646-4299-94a1-f139fcf4774e)

    By Richard Quirk

    This report describes methods and techniques employed by The Glidden Co. of Cleveland, Ohio, in explorating an ilmenite-bearing sand deposit in Ocean County, New Jersey, during 1960 to determine ore r

    Jan 1, 1963

  • NIOSH
    IC 9045 Water-Jet-Assisted Cutting - Proceedings: Bureau Of Mines Open Industry Meeting, Pittsburgh, PA, June 21, 1984

    Greater mining productivity requires a more efficient cutting process. The cutting force available from today?s mining machines has been optimized with respect to machine size and weight. Researchers

    Jan 1, 1985

  • NIOSH
    RI 9216 Supercritical CO2 Solubility of TiCI4

    By W. K. Tolley

    The Bureau of Mines is testing super critical fluids as solvents to selectively extract valuable components from complex matrices. Materials recovered during supercritical fluid extraction are often h

    Jan 1, 1989

  • NIOSH
    RI 4567 National Motor Gasoline Survey Winter 1948-49

    By O. C. Blade

    This report on the properties of motor fuels sold through service stations in the United States was made in accordance with a cooperative agreement between the American Petroleum Institute and the Bur

    Jan 1, 1949

  • NIOSH
    Mineral Industries Of Europe And Central Eurasia - Introduction

    By Michel C. Frippel

    This section of the Minerals Yearbook reviews the minerals industries of 45 countries: the 12 nations of the European Community (EC) (Belgium, Denmark/ Greenland, France, Germany, Greece, Ireland, Ita

    Jan 1, 1994

  • NIOSH
    RI 8390 Incinerated Municipal Sewage Sludge as a Potential Secondary Resource for Metals and Phosphorus

    By Robert C. Gabler

    Evaluation of incinerated sewage sludge as a secondary resource for aluminum, phosphorus, and minor constituents such as copper and zinc was initiated as part of the Bureau of Mines secondary resource

    Jan 1, 1979

  • NIOSH
    RI 7448 Hazards Associated With The Spillage Of Liquefied Natural Gas On Water

    By D. S. Burgess

    An investigation of the hazard of spillage of liquefied natural gas (LNG) onto water is described. About 2,000 gallons of LNG were consumed in various tests. The initial vaporization rate of LNG follo

    Jan 1, 1970

  • NIOSH
    RI 4854 National Motor Gasoline Survey, Summer 1951

    By O. C. Blade

    A summary of the characteristics of motor gasoline for the summer 1951 is presented in table 1, and for comparison, a similar summary for the summer 1950 is shown in table 2. Trends of some of the mor

    Jan 1, 1952

  • NIOSH
    Assessments And Refinements Of An Anthropodynamic Manikin For Seating Dynamics Applications - Introduction

    By H. Nelisse, S. K. Patra, A. Natani, S. Rakheja

    The current laboratory methods for assessing the vibration attenuation performance of seats involve repetitive trials with a number of human occupants, and raise certain ethical concerns. Moreover, th

    Jan 6, 2006

  • NIOSH
    OFR-164-83 Evaluation Of Bulkheads For Radon Control

    By Clifford H. Summers

    This report describes an experimental program which we conducted on behalf of the U. S. Bureau of Mines, to select from currently available materials two novel systems of construction for air-restrain

    Jan 1, 1982

  • NIOSH
    The Chemical Thermodynamic Properties Of Hydrocarbons And Related Substances - II. Properties Of 25 Organic Sulfur Compounds In The Ideal Gas State From 0° To 1,000° K

    By M. Zaki El-Sabban

    Tables of chemical thermodynamic properties for the ideal gas state from 0° to 1,000° K are reported for eight alkanethiols, three cycloalkanethiols and arylthiols, six thiaalkanes, two dithiaalkanes,

    Jan 1, 1970

  • NIOSH
    SP-01-95 - Proceedings: Mechanics and Mitigation of Violent Failure in Coal and Hard-Rock Minesr

    Papers presented at a U.S. Bureau of Mines (USBM) technology transfer seminar describe the causes of violent material failure in U.S. mines, measurement techniques for monitoring events that result in

    Jan 1, 1995

  • NIOSH
    How Smoke Hinders Escape From Coal Mine

    By F. N. Kissell, C. D. Litton

    Abstract-This study predicts the level of smoke that miners might meet while trying to escape a coal mine fire and describes how smoke would impede their safe escape. For this study, the authors assum

  • NIOSH
    RI 8900 - Partial Replacement of Chromium in Austenitic Stainless Steels by Molybdenum, Copper, and Vanadium

    By S. C. Rhoads

    The Bureau of Mines is investigating low-chromium alloy substitutes for type 304 stainless steel (type 304 SS). The purpose of the research is to reduce the chromium content in austenitic stainless st

    Jan 1, 1984

  • NIOSH
    The Effect Of Standing Support Stiffness On Primary And Secondary Bolting Systems

    By Stephen C. Tadolini, Yunqing Zhang, Thomas M. Barczak

    Standing crib supports have been applied in underground mining programs to resist large roof movements and sustain high-loads. The strength and deformation capability of these systems has been docume

  • NIOSH
    Low-Temperature Lignite Tar: Processing And Utilization

    By John S. Berber

    Acids, neutral oils, and pitch were produced by distillation of low-temperature lignite tar and processed to upgrade them into more valuable products: The acids were separated from the distillate and

    Jan 1, 1973

  • NIOSH
    IC 8147 List Of References To Metal-Halide Vapor Pressures With Bibliography ? Introduction

    By F. D. Stevenson

    Thermodynamic properties of metal halides and, in particular, vapor pressures have become of great importance in recent years owing to increased application of chemical processing to extraction of met

    Jan 1, 1963

  • NIOSH
    IC 8972 Review Of Desliming Methods And Equipment

    By Christopher H. Roe

    This Bureau of Mines report reviews the various methods of removing the liquid from tailings slurries that contain very fine grained solids. Gravitational settlement, centrifugation, filtration, and t

    Jan 1, 1984