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  • AIME
    Anthracite-Mechanization and Pillar Recovery

    By H. Merton Ruth

    THE northern anthracite fields, although facing the same economic problems as the southern fields, are confronted with the additional problem of fast dwindling reserves of anthracite which can be conv

    Jan 1, 1950

  • AIME
    Iron and Steel Division - Oxygen and Sulfur Segregation in Commercial Killed Ingots

    By W. M. Wojcik, R. F. Kowal

    Oxygen and sulfur distributions in commercial, 5-ton ingots of killed, medium carbon steel are described. Oxygen distribution is found to vary with deoxidation practice. Irregular distribution of oxyg

    Jan 1, 1965

  • AIME
    The N'Kana Smelter - Latest Ideas of Copper Metallurgists Are Embodied in New Northern Rhodesian Plant

    By F. L. Bosqui, A. D. Wilkinson

    EVEN though the world has not been crying for more copper for the last three or four years there has been some important mill and smelter construction. Discovery and development of large new high-grad

    Jan 1, 1934

  • AIME
    A Computerized System for Using Response Surface Methodology to Evaluate Phosphate Flotation Variables

    By J. E. Lawver, B. J. Clingan, R. E. Snow

    Response surface methodology is a well-known and powerful technique for determining optimum conditions in flotation systems. One disadvantage is the onerous task of the numerical calculations and curv

    Jan 1, 1980

  • AIME
    Gold and World Trade

    By James R. Finlay

    SOMETIMES the American Institute of Mining and Metallurgical Engineers appears to be a strictly technical society, and if so my paper should deal with the technical operations of finding and producing

    Jan 1, 1933

  • AIME
    Minerals Beneficiation - Technical Notes - Particle-Size Analysis: Sedimentation Methods

    By G. W. Phelps

    The field of industrial minerals is concerned with both sieve size and distribution of sub-sieve particles. A great deal of work has been reported on the techniques designed to provide information of

    Jan 1, 1967

  • AIME
    Prereduced Iron Ore Pellets: State Of The Art – Part II

    By Morris M. Fine, Norwood B. Melcher

    It is out of the question, at this time, to select any one prereduction process as superior to the others. It is apparent that several share a basic similarity and that within the groups listed in Par

    Jan 8, 1966

  • AIME
    Reconstruction Methods of the ?Hecla? Electrical-Mechanical Equipment

    By A. C. Stevenson

    IN OUTLINING the various steps taken and the exigences met during the time of unwatering and rebuilding the burnt top equipment at the Hecla mine, the major portion of the detail is omitted and a gene

    Jan 1, 1924

  • AIME
    Anthracite-Culm Briquettes.

    By CHARLES DORRANGE

    INTRODUCTION. CULM is a general term used in the anthracite regions for many years to denote a mixture of coal, bony coal and impurities which is sent to the refuse-banks. Thus, 35 years ago culm con

    Sep 1, 1911

  • AIME
    Minerals Beneficiation - Rock Mechanics - Application of Probability Theory to Factor of Safety

    By K. C. Ko, D. A. Pifer

    The theory of probability with respect to the failure of structures is discussed. It is shown that the probability of safety, probability of failure, and factor of safety are directly related to each

    Jan 1, 1971

  • AIME
    Logging and Log Interpretation - Acoustic Velocity in Porous Media

    By M. Felsenthal

    Engineers are frequently faced with the problem of having to predict oil recovery from a solution gas drive reservoir in the early life of a field. This is often the time when actual laboratory or fie

  • AIME
    Engineering Lifted from Back Room of Blueprints to First Order of National Importance

    By Herbert Hoover

    DURING the year, the' Institute has made the most remarkable growth in its history. Our actual increase in membership was 1816 and therefore was 80 per cent. larger than any previous year. Even w

    Jan 1, 1921

  • AIME
  • AIME
    Statistical Analysis Points The Way For $$$$ Savings In Beneficiation

    By A. C. Dorenfeld

    CHANGES in circuits are often made in milling operations. At the same time that these changes are being evaluated the ores are changing. Even from the same mine, the ore is usually variable as to amou

    Jan 10, 1954

  • AIME
    Part VI – June 1969 - Papers - A Comparison of Conventional and Knoop-Hardness Yield Loci for Magnesium and Magnesium Alloys

    By B. C. Wonsiewicz, W. W. Wilkening

    Following a procedure proposed by Wheeler and Ireland, Plane stress yield loci were constructed from Knoob hardness numbers. Basically, six differently oriented hardness measurements were made on thre

    Jan 1, 1970

  • AIME
    Australia's Top Money-Maker: Coal

    In the Bowen Basin of central Queensland, coal production has gone from virtually nothing in 1961 to more than 24 million tons today4ut there's a cloud over this success.

    Jan 1, 1977

  • AIME
    First Copper Reverberatory Conference

    By AIME AIME

    WITH the example of the steel open-hearth men and their round table conference before the copper men, the query naturally arose "Why cannot we do likewise?" The advantage of pooling and comparing know

    Jan 1, 1930

  • AIME
    Mineral Dressing

    By Charles E. Locke

    DEPRESSION in all lines of the mineral industry except gold, which began in 1930 and continued, even worse, through 1931, had its effect on ore concentration. Construction was limited to the completio

    Jan 1, 1932

  • AIME
    Stock-Distribution and Its Relation to the Life of a Blast-Furnace Lining

    By T. F. Witherbee

    Discussion of Mr. Baker's paper, read at the Lake Superior Meeting, September, 1904. MR. T. F. WITHERBEE, Durango, Mexico (communication to the Secretary*) : Mr. Baker's paper is very instr

    Mar 1, 1905

  • AIME
    Abstract - Interpretation of the Literature on the Mechanism of the Hall Process

    By John J. Stokes

    Literature on the electrolysis of aluminum from cryolite melts and on the structure of these .melts is surveyed critically. Data on density, freezing point, and other properties are reviewed. Theories

    Jan 1, 1959