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Chattanooga Paper - Ozark Lead- and Zinc-Deposits : Their Genesis, Localization, and MigrationBy Charles R. Keyes
I. Introductory,.......... 185 II. Hypotheses oF the Origin of OzaRk Ores..... 186 1. General Considerations........ 186 2. Schmidt-Leonhard and Gage View...... 187 3. Jenney Opinion.......... 187
Jan 1, 1910
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Embrittlement Of Uranium By Small Amounts Of Aluminum And IronBy W. C. Lilliendahl, H. W. Highriter
THE method developed and used in this laboratory for the production of metallic uranium of such purity that it is ductile and can be cold-worked to fine wire or thin sheet by rolling has already been
Jan 1, 1935
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Incentive Approaches To Tunnel ContractsBy Fred H. Lippold, Wm. H. Wolf
Methods of fair payment for excavating, supporting, and concrete lining tunnels have been sought by various owners for years. Tunneling techniques have changed with the development of equipment-from t
Jan 1, 1970
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Who Profits From East-West Trade?By Eugene Guccione
Before answering the question raised in the title, let's briefly consider how East-West trade is viewed within the entire US political spectrum. Essentially, there are four major schools of thoug
Jan 9, 1974
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Natural Gas Technology - Temperature Surveys in Gas Producing WellsBy M. P. Tixier, K. S. Kunz
A method for the interpretation of temperature curves recorded in gas producing wells is described. One essen-tial feature of the method is a simple graphical construction which conveniently reflects
Jan 1, 1956
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Part II – February 1969 - Papers - The Characteristics of Spontaneous Martensite in Thin Foils of Ti-Cr AlloysBy R. Taggart, R. H. Ericksen, D. H. Polonis
Transmission electron microscopy techniques hare been used to study the spontaneous marfensite phase that forms during the thinning of Ti-Cr alloys. The structure of this phase has been found to dif
Jan 1, 1970
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Geophysicists in SessionBy AIME AIME
THE papers presented at the geophysics session" on Feb. 17 were concerned largely with three aspects of the science. The first ones dealt with the transmission of elastic waves through the earth, then
Jan 1, 1930
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Institute of Metals Division - The Solute Metallic Valence as an Index of Phase Stabilization in Zirconium-Base Alloys (TN)By J. C. Uy, A. A. Burr
IN the primary solid solutions of zirconium-base alloys, there is a striking regularity of the effect of solute valence on the stabilization of the allotropic phases.1 The valences derived by pauli
Jan 1, 1962
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An Electrical Analogue Of The Flow Of Heat In A Regenerator SystemBy B. M. Larsen, K. Heindlhofer
THIS paper describes a relatively simple electrical apparatus that, through the close analogy between the flow of heat and of electricity, enables one to solve quickly and with satisfactory accuracy m
Jan 1, 1945
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Reservoir Engineering-Laboratory Research - Flow in Heterogeneous Hele-Shaw ModelsBy H. O. Jahns, R. A. Greenkorn, R. E. Haring, L. K. Shallenbarger
This paper is a study of the effects of heterogeneity on flow in an analog of porous media, the Hele-Shaw model. l-3 A set of experiments in heterogeneous Hele-Shaw models showed streamlines through a
Jan 1, 1965
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Some Aspects Of The Commercial Manipulation Of AluminumBy C. F. Nagel
THIS paper is written primarily for those who are familiar with the processes mentioned but who desire a further insight into some of the fundamental principles. It does not give a complete descriptio
Jan 1, 1928
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Historical Sketch Of Sudbury District.The discovery of nickel at the Wallace Mine in 1846, recorded in the Report of Progress of the Geological Survey of Canada, 1.848-49, was not the first find in the Sudbury mining district. As long ago
Jan 1, 1907
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The Subjunctive, Shall And Will, And The PossessiveBy T. A. Rickard
The use of the verb in this mood is not as common as formerly: at the time, for' example, when the Bible was translated and the plays of Shakespeare were written. Nevertheless it is an essential
Jan 1, 1931
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Technical And Financial Elements Of A Mining Project Loan Request: Preparing A Complete Information MemorandumBy Thomas P. Bispham
INTRODUCTION From the lender's point of view, the greatest period of risk in a project financing occurs during the construction phase. Therefore, most projects are supported during this phase
Jan 1, 1985
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Technical Notes - Purification of Gallium by Zone-RefiningBy W. M. Fox, D. P. Detwiler
IN the course of research on semiconducting inter-metallic compounds, it became necessary to obtain gallium metal of greater purity that that available commercially. Several methods were considered fo
Jan 1, 1956
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Iron and Steel - Nature of the Chromium-iron-carbon Diagram (with Discussion)By Marcus A. Grossmann
This paper offers for consideration certain somewhat radical modifications in the iron-carbon diagram, these modifications being the result of the presence of notable amounts of alloying elements. Whe
Jan 1, 1927
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Application Of X-Rays To Development Problems Connected With The Manufacture Of Telephone ApparatusBy M. Baeyertz
SINCE 1915 many papers and books have covered industrial applications of X-rays from various angles. Two of the more recent are a paper by Fink and Archer1, which describes in detail the technique of
Jan 1, 1930
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Electrostatic PrecipitationBy O. H. Eschholz
THE electrostatic process of fume precipitation is an excellent example of the successful application of scientific knowledge to an industrial operation. Originally proposed for the precipitation of s
Jan 8, 1918
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New York Paper - The Sintering of Fine Iron-Bearing Materials by the Dwight & Lloyd ProcessBy B. G. Klugh
In a paper before the Institute at Wilkes-Barre, Pa., June, 1911,' Mr. James Gayley discussed the application of this process to iron-bearing materials. The same author² described the results of
Jan 1, 1913