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Classification of Roof Falls in Coal MinesBy N. B. Aughenbaugh, W. C. Patrick
The availability of a thorough, simple-to-use roof fall classification system is desirable for several reasons. First, such a system would expedite the reporting of falls for the purposes of estimatin
Jan 3, 1979
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New York Paper - The Influence of the Movement in Shales on the Area of Oil Production (with Discussion)By Richard A. Conkling
A shale layer, buried beneath two or three thousand feet of strata, in some instances, will upon folding become thicker in the synelines and thinner on top of the anticlines. This can be accounted
Jan 1, 1917
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Papers - Carbon in Pig Iron (With Discussion)By William E. Brewster
Dating back some five years ago, various foundries made inquiries as to the probable total carbon content in a given specification and grade of pig iron. Up to that time we had no data, and except for
Jan 1, 1936
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Papers - Carbon in Pig Iron (With Discussion)By William E. Brewster
Dating back some five years ago, various foundries made inquiries as to the probable total carbon content in a given specification and grade of pig iron. Up to that time we had no data, and except for
Jan 1, 1936
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Scranton Paper - A Water-Cooled Gas-ProducerBy W. J. Taylor
Every one having practical experience in making heating-gas knows how much room there is for improvement,, in order to avoid not only the production of poor gas, when good gas is most wanted, but also
Jan 1, 1887
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Minerals Beneficiation - Grangcold Pellet ProcessBy Jonas Svensson
A new method is described for the production of cold-bonded pellets using a hydraulic binder, such as portland cement. Large-scale pilot-plant tests have proved that self-fluxing pellets of high reduc
Jan 1, 1971
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New York Paper - Proposed Rail-SectionsBy Robert W. Hunt
When I had the honor of presenting to the Institute at the Buffalo meeting in October, 1888 (Trans., xvii., 226), my paper on " Steel Rails and Specifications for their Manufacture," I expressed my he
Jan 1, 1889
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Contribution of Geophysical Surveys to the Discovery of Stilfontein Gold Mine in South AfricaBy Oscar Weiss
STILFONTEIN and surrounding areas gave negative results in all prospecting attempts since about 1904 when Goerz and Co., a forerunner of Union Corporation Ltd., first drilled in the region and on the
Jan 10, 1951
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Production - Foreign - Oil and Gas Development in Iraq during 1938By Ben B. Cox
Oil produced in Iraq for export during 1938 was 31,354,090 bbl., or a daily average of 85,901 bbl; This is an increase of 182,614 bbl., or 0.5 per cent over 1937. All oil exported was produced from
Jan 1, 1939
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Production - Foreign - Oil and Gas Development in Iraq during 1938By Ben B. Cox
Oil produced in Iraq for export during 1938 was 31,354,090 bbl., or a daily average of 85,901 bbl; This is an increase of 182,614 bbl., or 0.5 per cent over 1937. All oil exported was produced from
Jan 1, 1939
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Institute of Metals Division - The Activation Energy of Snoek Relaxations in Bcc Metals (TN)By E. T. Stephenson
Wert and Marx1 pointed out that a straight-line relationship exists between the activation energy of a relaxation process and the temperature at which the maximum relaxation occurs. The data available
Jan 1, 1965
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Papers - A Theory of Diffusion in Solids (With Discussion)By John E. Dorn, Oscar E. Harder
The phenomenon of diffusion, according to the most prevalent conceptions at the present time, undoubtedly played an important part in the formation and distribution of metals and minerals in the earth
Jan 1, 1938
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Papers - A Theory of Diffusion in Solids (With Discussion)By Oscar E. Harder, John E. Dorn
The phenomenon of diffusion, according to the most prevalent conceptions at the present time, undoubtedly played an important part in the formation and distribution of metals and minerals in the earth
Jan 1, 1938
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Part X – October 1969 - Papers - The Gamma-Alpha Transformation in Gas-Quenched, Fe-5 pct Ni SpecimensBy R. E. Miner, J. K. Jackson, T. L. Wilson
A study has been made of the transformation kintetics and morphology in gas-quenched Fe-5 pct Ni alloys. Massive ferrite or nlurtensite was found to form at temperatures in agreement with earlier resu
Jan 1, 1970
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Principles and Problems of Oil Prospecting in the Gold Coast Country ? DiscussionTHE CHAIRMAN (A. F. Lucas, Washington, D. C.).-Mr. Matteson has stated that the drilling of certain deep wells has proved a failure because they were abandoned too soon. He advises drilling more wells
Jan 4, 1918
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Washington Paper - Phosphorus in Pig-Iron, Steel and Iron-OreBy Clemens Jones
THE analytical history of phosphorus in its relation to the metallurgy of iron is an interesting study, the progress of which runs parallel with the development of the greatest industry in the world.
Jan 1, 1890
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Minerals Beneficiation - Flotation and the Gibbs Adsorption EquationBy R. Schuhmann, J. Th. Overbeek, P. L. De Bruyn
THE technique of concentrating valuable minerals from lean ores by flotation depends upon the creation of a finite contact angle at the three-phase contact, mineral-water-air. If the mineral is comple
Jan 1, 1955
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Mineral Industry Education In The United StatesSUGGESTIONS that existing schools give instruction bearing on the mineral industry, or that schools for that purpose should be established in the United States, began to be made early, and it would re
Jan 1, 1941
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Institute of Metals Division - The Thermal Diffusion of Hydrogen in Alpha-Delta Zircaloy-2By J. M. Markowitz
The movement of hydrogen in two-phase Zircaloy-2 under the influence of a thermal gradient was studied in specimens of cylindrical geometry. A gross displacement of hydrogen toward the cooler regions
Jan 1, 1962
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Reservoir Engineering - Phase Equilibria in Hydrocarbon-Water Systems, IV-Vapor-Liquid Equilibrium Constants in the Methane-Water and Ethane-Water SystemsBy O. L. Culberson, J. J. McKetta
INTRODUCTION The equilibrium constants for methane and for water, and for ethane and water have been calculated from experimental data for the two binary systems.2,3,11,12 These constants are for t
Jan 1, 1951