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  • NIOSH
    IC 8417 Helium Symposia Proceedings In 1968 - A Hundred Years Of Helium - Helium Applications Symposium, Washington, D.C., October 23-24, 1968; Helium Centennial Symposium, Atlantic City, N.J., September 11, 1968.

    Applications of helium in aerostatics, cryogenics, space, and undersea work are described in papers from the Helium Applications Symposium. Specific subjects include investigations of X-ray sources by

    Jan 1, 1969

  • NIOSH
    IC 7683 Hydraulic Air Compressors ? Introduction

    By Leroy E. Schulze

    A review of development and a reevaluation of uses of the hydraulic air compressor are suggested by the constant changes in technology, which frequently make an old art valuable in solving current pro

    Jan 1, 1954

  • NIOSH
    IC 9121 International Regulation Of Diesel Engine Use Underground: A Country-By-Country Synopsis

    By Robert W. Waytulonis

    Mining regulations pertaining to the use of diesel engines were solicited from foreign countries with mining operations by the Bureau of Mines. Responses were received from 27 countries; the informati

    Jan 1, 1987

  • AIME
    Surveying the Names on the Ballot

    By AIME AIME

    WTHIN the next month all members of the Institute will be given an opportunity to vote for a new President, two Vice-Presidents, and five Directors. All of the candidates nominated by the official com

    Jan 1, 1935

  • NIOSH
    The Smokeless Combustion Of Coal In Boiler Furnaces - With A Chapter On Central Heating Plants ? Introduction ? The Problem And Its Solution

    By D. T. Randall

    The burning of coal without smoke is a problem that concerns the Government directly because of the advantages of smokeless combustion both in public buildings and on naval vessels. In addition, smoke

    Jan 1, 1918

  • AIME
    Conference on Production and Design Limitation and Possibilities for Powder Metallurgy (Metal Technology, January 1945) - Certain Characteristics of Silver-base Powder Metallurgical Products - Discussion

    By F. R. Hensel

    P. R. Kalischer.*—I should like to amplify a little one of the points made by Dr. Hensel, and rather violently disagree with him at the same time. He brought out the point that when the higher forming

    Jan 1, 1945

  • NIOSH
    Bulletin 201 Prospecting and Testing for Oil and Gas

    By R. E. Collom

    The commercial development of petroleum and natural gas fields has reached its present status within 60 years and is still considered by some operators to be "100 per cent wildcatting." 1 A tendency t

    Jan 1, 1922

  • SME
    A Century of Research Leading to Understanding the Scientific Basis of Selective Mineral Flotation and Design of Flotation Collectors Mining, Metallurgy and Exploration

    By Douglas W. Fuerstenau, Pradip Pradip

    The design and development of selective flotation collectors has been the key to the remarkable success of flotation in beneficiating complex, difficult-to-process ores. Sustained research efforts in

  • NIOSH
    Gases That Occur In Metal Mines - Metal-Mine And Coal-Mine Atmospheres

    By D. Harrington

    When the word "gas"' is mentioned in connection with mining almost invariably it is inferred that the explosive gas, methane, is in mind and that the reference is to coal mining. Although methane

    Jan 1, 1931

  • CIM
    In Latin America: Decency and Dividends

    By C. W. Van Law

    WE have just heard a very able presentation, by Mr. J. C. Cameron, on the subject of Recent Trends in Labour Relations, as they exist today in Canada (l). With minor changes, what he said applies equa

    Jan 1, 1945

  • CIM
    Silver and Canadian Trade

    By J. Mackintosh Bell

    External trade strongly influences the well being of all nations. In the modern economic mechanism, no country is so well endowed that it has not to import commodities from others and to export its pr

    Jan 1, 1933

  • NIOSH
    IC 7674 Safe Storage, Handling, And Use Of Commercial Explosives In Metal Mines, Nonmetallic Mines, And Quarries (Revision Of Information Circular 7380) ? Introduction

    By D. Harrington

    This paper is a revision of Information Circular 7380, by D. Harrington and J. H. East, Jr., published in 1946, entitled ?Safe Storage, Handling, and Use of Commercial Explosives in Metal Mines, Nonme

    Jan 1, 1954

  • NIOSH
    RI 3784 Moose Creek District of Matanuska Coal Fields, AK

    By G. A. Apell

    "SUMMARYThe quality of Moose Creek coal is considered superior to that of any now being produced in the Matanuska field of Alaska. In rank it is classed as roar coking high-volatile B bituminous coal.

    Dec 1, 1944

  • SME
    RETC 2017 Full Proceedings - RETC2017

    By COLIN A. LAWRENCE, Anthony Del Vescovo

    All Rights Reserved. Printed in the United States of America. Information contained in this work has been obtained by SME, Inc. from sources believed to be reliable. However, neither SME nor its autho

    Dec 1, 2017

  • AUSIMM
    Opportunities for the Placer Gold Industry

    The placer gold industry has experienced a roller-coaster history incorporating four major boom eras. The first, 'hand-methods' boom arose in the mid-19th Century from application of an old

    Jan 1, 2003

  • NIOSH
    IC 9274 Advanced Materials: Outlook And Information Requirements Proceedings of a Bureau of Mines Conference, November 7-8, 1989, Arlington, VA

    By Louis J. Sousa

    In November 1989, the U.S. Bureau of Mines sponsored a 2-day conference to stimulate thinking and discussion about changing materials technologies and implications for the Government's materials

    Jan 1, 1990

  • NIOSH
    Oil-Shale Mining, Rifle, Colo., 1944-56 ? Summary

    By J. H. East

    THE RIFLE, COLO., oil-shale project of the Bureau of Mines was a facet of the re-search and development activities conducted under the Synthetic Liquid Fuels Act (Public Law 78-290) of April 5, 1944.

    Jan 1, 1964

  • AIME
    Hydraulic Dredging For Gold-Bearing Gravels.

    By Henry G. Granger

    I. INTRODUCTION. REPEATED failures in attempts to work gold-bearing gravels by means of suction-dredges have created the impression that this method is impracticable. The suction-dredges have failed

    Apr 1, 1909

  • NIOSH
    OFR-112-85 Generalization Of Medical And Health Compliance Research To Coal Mine Safety

    By H. P. Cole

    Methods for increasing compliance to medical and health regimens were reviewed along with similar research in industrial and mine safety. Principles abstracted from both areas suggest that compliance

    Jan 1, 1985

  • AIME
    History And Geology Of Ancient Gold-Fields In Turkey.

    By Leon Dominian

    (Wilkes-Barre Meeting, June, 1911.) I. INTRODUCTION. THE lack of Aryan roots for the names of metals commonly known among the Aryan settlers of Asia Minor, as well as the later colonizers of Europe,

    Nov 1, 1911