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Papers - The "Electric Ear," a Device for Automatically Controlling the Operation ofBy Harlowe Hardinge
The sound made by ball, pebble and rod mills has long been used by the operator as the "telltale" of their operation. The nature of this sound depends upon local conditions and the type of mill used.
Jan 1, 1939
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Papers - The "Electric Ear," a Device for Automatically Controlling the Operation ofBy Harlowe Hardinge
The sound made by ball, pebble and rod mills has long been used by the operator as the "telltale" of their operation. The nature of this sound depends upon local conditions and the type of mill used.
Jan 1, 1939
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Basic Refractories For The Open HearthBy J. Spotts McDowell
Preparation and Use.-Magnesite is an important refractory in open-hearth, heating, and electric furnaces for steel-making and in many of those employed in the metallurgy of copper and lead. It is sold
Jan 2, 1919
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Port Pirie Leads Ways in Lead SmeltingSpencer Gulf takes off from the Great Australian Bight cutting a 200 mile deep wedge of water into the South Australia coastline. A pale winter sun shines yellowly on the choppy surface of this body o
Jan 10, 1964
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Limestone and DolomiteBy Donald D. Carr, Lawrence F. Rooney
Perhaps no other mineral commodity in this volume has as many uses as limestone and dolomite. These carbonate rocks are the basic building blocks of the construction industry, the material from which
Jan 1, 1975
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Rock In The Box - A New Mining Engineering Handbook In 1971By Bruce A. Kennedy
The long awaited new Mining Engineering Handbook is taking shape under the leadership of A. B. Cummins, Chairman of the Editorial Advisory Board for the SME Mining Engineering Handbook, and Ivan Given
Jan 1, 1970
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Mineral Beneficiation - Solid Surface Energy and Calorimetric Determinations of Surface-Energy Relationships for Some Common MineralsBy Kenneth Schellinger
THE terms surface tension and surface energy are well known when applied to liquids and are generally described by referring to the excess energy of the air: liquid interface as a result of unsaturate
Jan 1, 1953
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Mineral Beneficiation - Solid Surface Energy and Calorimetric Determinations of Surface-Energy Relationships for Some Common MineralsBy Kenneth Schellinger
THE terms surface tension and surface energy are well known when applied to liquids and are generally described by referring to the excess energy of the air: liquid interface as a result of unsaturate
Jan 1, 1953
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Papers - Ductile Tantalum and Columbium (With Discussion)By Clarence W. Balke
Small buttons of fused tantalum have been produced by are fusion in a vacuum, by drawing an arc between sticks of pressed tantalum and a tantalum-faced water-cooled copper block. However, ingots of ap
Jan 1, 1938
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Papers - Ductile Tantalum and Columbium (With Discussion)By Clarence W. Balke
Small buttons of fused tantalum have been produced by are fusion in a vacuum, by drawing an arc between sticks of pressed tantalum and a tantalum-faced water-cooled copper block. However, ingots of ap
Jan 1, 1938
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Cincinnati Paper - Sulphur Determination in SteelBy Magnus Troilius
The method of using the bromine process of determining sulphur in steel, described below, is in successful use at the Midvale Steel Works. Ten grams of drillings are weighed out and put into the 1/
Jan 1, 1884
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The Role Of The Engineer In The Development Of Atomic EnergyBy P. C. Keith
IT is difficult to talk about atomic energy and the engineer without repeating a number of phrases that have been worn smooth with use Mr John M. Hancock has spoken to you of the two-sidedness of atom
Jan 1, 1947
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Extractive Metallurgy Division - Thermodynamic Properties of Manganese Silicides and of Manganous ChlorideBy Lars Rossemyr, Terkel Rosenqvist
The equilibrium Mn + 2 IiCl = MnCl2(g) + H2 has been studied at 1090°C for pure manganese and for Mn-Si alloys. For this reoction a standard free energy of Fo1363, = - 19,700 i 300 col ioas found. Co
Jan 1, 1962
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Application of Geostatistics in a Coal Deposit (1981)By Y. C. Kim, I. K. Chopra, F. Martino
This paper reviews geostatistical work in a coal deposit performed jointly by the University of Arizona and the Homer City Owners. The study objective was to Predict more accurately the inseam sulfur
Jan 1, 1982
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Slurries, Sludges, Slimes And Water TreatmentBy E. A. Reilly, G. R. Gardner, F. P. Lasseter
THE methods that may be applied to the treatment of slurries and water, as these are related to practical coal-preparation problems, are concerned essentially with the movements of solids suspended in
Jan 1, 1943
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Shotcrete Methods At Lakeshore Mine Aid Overall Ground Support ProgramBy Jeremias K. Chitunda
Significant cost savings and improved ground stability are two initial indications from the current wet process shotcrete ground support program at the Lakeshore mine. The area of shotcrete for ground
Jan 12, 1974
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X-Ray Evidence Versus The Amorphous-Metal HypothesisBy Robert Anderson
The diffraction of x-rays by cold-worked and heavily polished surfaces of metals gives, no evidence of an amorphous state and typically perfect crystallographic diffraction' patterns are obtained
Jan 1, 1925
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Efficiency and Sharpness of Separation in Evaluating Coal - Washery PerformanceBy H. F. Yancey
Various criteria for evaluating the performance of coal washeries are discussed critically, with particular reference to ideas developed at the First International Conference on Coal Preparation held
Jan 6, 1951
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The Largest Meeting of the InstituteTHE 135th meeting of the Institute was the largest and most enthusiastic that has ever been held, sur-passing passing in numbers attending even the notable meeting of 1920. The total registration was
Jan 3, 1927
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Minerals Beneficiation - Chrysocolla Flotation by the Formation of Insoluble Surface ChelatesBy R. S. Rickard, H. D. Peterson, J. D. Miller, M. C. Fuerstenan
Pure chrysocolla is floated with chelating agents that form insoluble complexes with copper at ambient temperature. Complete flotation is obtained with potassium octyl hydroxamate as collector at pH 6
Jan 1, 1965