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  • AIME
  • AIME
    Thermodynamics And Coal Formation (43f63970-a1ec-4cc6-97e1-d6b9fd9f9ba2)

    By Walter Fuchs

    IT is now generally conceded that coal is the product of deposition and transformation of debris of forests and swamps.29 Ample data are available to illustrate the metamorphosis of biochemical substa

    Jan 1, 1941

  • AIME
    Modernization - An Answer to the Cement Industry's Dilemma

    By A. H. Tousley

    Current problems in the cement industry are discussed and suggestions for solving them by modernization are made. Cement facility modernization is discussed in considerable detail with examples illust

    Jan 1, 1972

  • AIME
    Coal-Mining Practice in Europe

    By George S. Rice

    INTERESTING developments going on in European coal mines look to: (1) increasing mechanization; 12) concentration of mining; (3) improvement in safety appliances; and (4) studies in bettering roof sup

    Jan 1, 1934

  • AIME
    The Notion Of "Extension Variance" And Its Application To The Grade Estimation Of Stratiform Deposits

    By Michel David

    One of the most important questions that arises in ore estimation can be stated as follows: What is the error when one extends the grade of a sample to a certain volume? The theory of regionalized var

    Jan 1, 1969

  • AIME
    Discussion - Production Of Acid Iron Ore Pellet For Direct Reduction, Using An Organic Binder - Technical Papers, Mining Engineering, Vol. 36, No. 10, October, 1984, pp. 1437 -1441 – de Souza, R. P., de Mendonca, C. F., Kater, T.

    By G. G. Reed

    G.G. Reed, Jr. The authors are to be commended for finding a material for pellets binding that we were unable to uncover during the investigations that led to US Patent No. 3,748,116, "Method for

    Jan 1, 1986

  • AIME
    Management and the Engineer

    By HAROLD VINTON COES

    MANAGEMENT has been tersely defined as getting things done through the efforts of other people; but before we proceed further, let us distinguish between administration, management, and organization.

    Jan 1, 1943

  • AIME
    Proceedings Of The One Hundred And Second Meeting, New York, N. Y., February, 1912.

    By AIME AIME

    The 102d meeting of the Institute was held at the Institute headquarters in the Engineering Societies Building, New York, N. Y., on Feb. 19, 20 and 21, 1912. A Bureau of Information, in charge. of Mr.

    Mar 1, 1912

  • AIME
    Extractant Classifications

    By A. W. Ashbrook

    There are essentially three main classifications for extractants: acidic, basic, and neutral. The acidic and basic are also referred to as cationic and anionic, respectively. Some extractants are s

    Jan 1, 1978

  • AIME
    Metal Mining - Activity Increases at Iron Ore Properties - Improvements in Mechanization Noted

    By Verne D. Johnston

    ALTHOUGH the stocks of Lake Superior iron ore on dock or at furnaces at the beginning of the year were about 6,000,000 tons less than at the beginning of 1938, the steel industry was operating at only

    Jan 1, 1940

  • AIME
    Institute of Metals Division - Comparison of Dispersion Hardening in Four Silver-Base Alloys of Equivalent Composition (TN)

    By J. Gurland

    The effect of four different second-phase additions on the strength of composite alloys with a common matrix was investigated. The four compositions each consisted of 85 pct by volume of silver with

    Jan 1, 1962

  • AIME
    Roasting and Magnetic Separation of a Blende-Marcasite Concentrate

    By H. I. NORTON, H. O. Hofman

    ZINC smelters in the central western. States have established a very high standard of purity for blende-concentrates, viz., zinc 60, iron less than 3, and lead less than 1 per cent. The very low perce

    Mar 1, 1905

  • AIME
    Fluid Bed Roasting Of Zinc Concentrate And Production Of Sulphuric Acid And Phosphate Fertilizer At Canadian Electrolytic Zinc, Ltd . Valleyfield, Quebec

    By K. H. Heino

    Two 200 T/da Lurgi Turbulent Layer fluid-bed roasters have been in operation at Canadian Electrolytic Zinc Limited since 1966. Zinc concentrate containing 52-54% Zn, 9-11% Fe,31-33% S is treated to pr

    Jan 1, 1970

  • AIME
    Case Against a Copper Tariff

    By AIME AIME

    THAT the copper industry is in serious straits is admitted. So are the lead and zinc industries, and both lead and zinc are tariff protected. Conditions in the Western lead, zinc and silver mining dis

    Jan 1, 1932

  • AIME
    Eastern Magnetite - Shipping Product Drops 10 Per Cent Owing to Lack of Experienced Miners

    By J. R. Linney

    THE Eastern Magnetite Industry produced approximately 7,850,000 long tons of crude ore in 1945 from which was obtained approximately 3,650,000 long tons of shipping product or a ratio of 2.10 to 1. La

    Jan 1, 1946

  • AIME
    Influence of Stress on Corrosion

    By D. J. Jr. McAdam

    PART I.-OUTLINE OF INVESTIGATION, DESCRIPTION OF METHODS AND MATERIAL Previous Investigation of the Influence of Stress on Corrosion IN 1917 Haigh1 presented evidence that under simultaneous corr

    Jan 1, 1931

  • AIME
    Special Evaluation Problems in Mining

    By Dr. O’Neil Thomas J., Donald W. Gentry

    "If you can hold a board of cross directors In happiness against their gauzy schemes; If you can dodge the wrath of the electors Till dividends will flow as in their dreams; If you can make a mine pay

    Jan 1, 1984

  • AIME
    Engineering Training for Professional and Civil Life ? A Proposal to Produce Well-Rounded Engineers ? An Educational Plan Is Suggested for Postgraduates

    By John S. Crout

    TWENTY-FIVE years ago the training of an engineer was of interest solely to the educator and to the student entering the field. At that time the engineer's position in society was relatively simp

    Jan 1, 1947

  • AIME
    Diamond Drilling with Surfactants in Upper Michigan Amygdaloidal Basalts Using Surface-Set Bits

    By Harold F. Unger, Byron S. Snowden, William H. Engelmann

    The effects of using surfactant solutions while diamond drilling in amygdaloidal basalt of the Upper Michigan copper mining district were investigated. Nonionic, anionic, and cationic surfactant solut

    Jan 1, 1976

  • AIME
    Mill Operations At United Eastern During 1917 And 1918

    By Wheeler North

    THE United Eastern Mining Co.'s property is located in the Oatman, Gold Roads mining district of Mohave County, Ariz. The mine and mill are some 26 mi. (41.8 km.) southwest of Kingman, the neares

    Jan 8, 1919