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Piping and Segregation in Steel Ingots - Preliminary Paper
By HENRY M. HOWEL
1. Introduction.-The first part of this papers treats of the causes and the restraining of piping in steel ingots; the second& considers the causes and the restraining of -segregation; and the third p
Mar 1, 1907
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Programmed Training for New Employees Slashes Accidents by 50% at US Borax
In 1973, US Borax & Chemical Corp. began investing three days wages and about $20 in training materials in every new employee before having him report to his first job. The result? Accidents involving
Jan 4, 1976
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Pyrophyllite Dust-Its Effect and Control
By M. F. Trice
PYROPHYLLITE is a hydrous aluminum silicate (A12Si4010(OH)2)1 that occurs in both the foliated and the massive forms. The foliated variety resembles talc in that it has a greasy feel, a pearly luster,
Jan 1, 1940
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Metals of the Future
By C. H. Mathewson
MY treatment of the subject of "Metals of the Future" is imaginative rather than statistical or scientific, because reliable information concerning useful concentrations in the form of ore deposits of
Jan 1, 1944
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Coal - Daily Maintenance and Complete Overhaul of Continuous Miners
By J. Mason
In order that the use of continuous mining machines be most economic, the equipment must be operated at rated capacity as much of the time as possible and downtime for repairs kept at a minimum. A lar
Jan 1, 1961
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Washington Paper - Notes on the Energy and Utilization of Fuel, Solid, Liquid and Gaseous
By W. J. Taylor
Nature has furnished us with fuel in three forms, solid, liquid, and gaseous; solid, the most common; liquid, containing the greatest energy; gaseous, the most convenient for use. The tendency of the
Jan 1, 1890
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Technical Papers and Notes - Institute of Metals Division - Effect of Crystallographic Orientation and Oxygen Content on Knoop Hardness Values of Iodide Titanium
By C. Feng, C. Elbaum
Knoop hardness measurements were carried out on large grains of iodide titanium containing different amounts of oxygen. For each oxygen content the hardness is recorded ainingas a function of the crys
Jan 1, 1959
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Nonferrous Metals Emergency Demands Force Rising Prices And Increased Mine Production
By Simon D. Strauss
Production and consumption of nonferrous metals in the United States during 1950 were at peak levels for the postwar period, as is shown in Tables I, II, and III. The trend of production was upward th
Jan 2, 1951
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Technical Papers and Discussions - Lithium - Laboratory Preparation of Lithium Metal by Vacuum Metallurgy (Metals Tech., June 1947, TP 2179)
By A. W. Schlechten, W. J. Kroll
As this paper is written, the only method for the commercial production of lithium metal is by the fusion electrolysis of LiC1-KC1 mixtures, as first proposed by Gunkz.2 The details of the industrial
Jan 1, 1949
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22. Copper Deposits in the Nonesuch Shale, White Pine, Michigan
By J. J. Fritts, J. L. Patrick, T. L. Wright, C. O. Ensign, W. S. White, J. W. Trammell, J. C. Wright, D. J. Hathaway, R. J. Leone
The copper deposit at White Pine, Michigan, from which a little more than 5 per cent of United States primary copper currently is produced, is a large stratiform orebody, 4 to 25 feet thick and severa
Jan 1, 1968
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Impact of War on the Oil Industry
By AIME AIME
OVER-ALL operations of the oil industry, as measured by production of crude oil and consumption of products, are almost exactly of the same magnitude as a year ago. Does this mean that the great oil i
Jan 1, 1942
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The Central Power-Station Of The De Beers Consolidated Mines, Ltd., Kimberley, South Africa.
By Percy A. Robbins
I. INTRODUCTION. THE central power-station. of the De Beers Consolidated Mines, Ltd., was designed and built under my supervision about five years ago. Since no detailed description of this plant has
Mar 1, 1908
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How an American Firm Developed Australia's Richest Coal Region
The industrial might of the Bowen Basin is primarily the result of Utah Development Co.'s work- which has opened up the Blackwater, Goonyella, Peak Downs, and Saraji mines; built the Hay Point po
Jan 1, 1977
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A Theoretical Analysis of Water-flooding Networks
By . M. Muskat
A THEORETICAL consideration of the mechanics of various water-flooding systems with the viewpoint of comparing their relative merits involves the study of two fundamental properties of such systems. O
Jan 1, 1933
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Muscle Shoals Possibilities
By PHILIP N. MOORE
THE development of the power of the Tennessee River at Muscle Shoals has become a matter of political interest as well as engineering possibility. The controversy over it has been so active that the f
Jan 1, 1925
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Action of Reducing Gases On Heated Copper
By W. H. Bassett
In considering the effects of reducing gases on hot solid copper the following conclusions have been reached. (1) Depth of deoxidation of copper heated in reducing gas is greater the smaller the amoun
Jan 1, 1926
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Minerals Beneficiation - Non-Sulfide Flotation with Fatty Acid and Petroleum Sulfonate Promoters
By S. A. Falconer
The benefication of non-sulfide or non-metallic minerals by froth flotation has been practiced commercially for at least 30 years. In the pioneer stages of development of this flotation art, most of t
Jan 1, 1961
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Method for the Determination of Gold and Silver in Cyanide Solutions
By L. W. Bahney
MANY methods for the determination of gold or silver, or both, in cyanide solutions have been published, which with care in manipulation, and modification in some cases, will give results that are sat
Jan 2, 1915
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How to Speak Effectively in Public
By A. Ross Rornmel
ABILITY to speak effectively is one of man's most longed for and coveted abilities. It is the ability to stand on one's feet, transfer knowledge and thoughts to others, to reach an objective
Jan 1, 1946
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Institute of Metals Division - Thermodynamic Activities in the Fe-Mn-C System
By J. F. Butler, H. W. Paxton
The vapor pressures of manganese in equilibrium with several alloys in the iron-manganese-carbon system between 1200° and 1275°K have been measured using the Knudsen effusion technique in conjunction
Jan 1, 1962