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Application Of Pyrometry To Problems Of Lamp Design And Performance
By I. H. Van Horn
IN the development of the incandescent electric lamp one aim of the investigators has been to establish the fundamentals of lamp design, so that the performance of any new lamp may be accurately predi
Jan 9, 1919
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Part IX - Communications - The Influence of Selected Sulfides on the Decomposition Rate of Zinc Sulfate at 600°C
By A. H. Larson, L. G. Twidwell
DURING the roasting of zinc sulfide concentrates and by-product recovery from flue dusts, the zinc sul-fate phase may occur in various stages of the processes. In addition to zinc sulfide, other sulfi
Jan 1, 1967
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Part VIII - Communications - Alumina Transformations in A!-AI,O, Alloys (SAP) Below the Matrix Melting Point
By G. Beghi, G. Piatti
THE authors examined the problem of the gradual transformation of Al2O3 from the transition phases normally encountered in SAP (r -x-n)1-3 to the stable a phase. This phenomenon is well-known at tempe
Jan 1, 1967
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Data Explosion And The Time-Share Revolution
By Richard P. Sheldon
In the last several decades, techniques of data collection have been rapidly evolving. Automated spectroscopic techniques in the chemical analysis of rocks for example have advanced to the point that
Jan 1, 1977
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Sinking a Shaft and Solving a Pumping Problem
By J. Fred Johnson
MORE ORE is mined in the Bingham District than in any other mining district in Utah. In addition to the open-pit operations of the Utah Copper Co., there have been, many large underground mines. Until
Jan 1, 1934
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New York Paper - The Gay-Lussac Method of Silver Determination
By Frederic P. Dewey
This old and well-known method of determining silver is, in bullion work, so far superior to the furnace-assay that it is looked upon with reverential awe by many, if not by most, users, and its ease
Jan 1, 1914
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Monazite and Related Minerals
By Spencer S. Shannon
This chapter is concerned with the uses, geology, exploration, evaluation, preparation for markets, and future of 90thorium and 39yttrium, along with 14 rare-earth elements. The rare-earth metals
Jan 1, 1975
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Production - Domestic - Oil and Gas Production in the Texas Gulf Coast during 1941
By Jack F. Harang, P. B. Leavenworth
Development during the year 1941 on the Texas Gulf Coast resulted in the dis covery of 27 new fields as compared to 26 fields for the year 1940. Drilling.—During the year, 1405 wells were drilled.
Jan 1, 1942
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Production - Domestic - Oil and Gas Production in the Texas Gulf Coast during 1941
By P. B. Leavenworth, Jack F. Harang
Development during the year 1941 on the Texas Gulf Coast resulted in the dis covery of 27 new fields as compared to 26 fields for the year 1940. Drilling.—During the year, 1405 wells were drilled.
Jan 1, 1942
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PART IV - Communications - The Microyield Strength of Beryllium-Iron Alloys
By A. S. Argon, G. East
From their study of the anisotropy of grain boundary mobility in aluminum, the authors conclude that tilt boundaries have a higher mobility than twist boundaries because the atomic misfit at the pure-
Jan 1, 1968
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The New Deal for the Mineral Industries Viewed as a Misdeal
By Arthur Notman
THE mineral industries in this country have now had about a year of national planning. Al. though the period is short, the volume of activity and legislation designed to make that planning effective h
Jan 1, 1935
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Transportation Of Molten Blister Copper By Rail From Smelter To Refinery
By Frederic Benard
PRIOR to 1936, the Ontario Refining Co. received all incoming blister copper from The International Nickel Company's smelter in the usual form of 460-lb. cakes, or slabs. These were received in o
Jan 1, 1938
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Participants in the Symposium
ABERDEEN, ESTHER, U. S. Geological Survey, Washington, D. C. ALLEN, VICTOR T., Director Geology Department, Institute of Technology, St. Louis University, St. Louis, Missouri. BATES, THOMAS F., Ass
Jan 1, 1952
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Petroleum Industry in 1929
By Joseph B. Umpleby
PROGRESS in the petroleum industry in 1929 has been characterized by outstanding accomplishments in the fields of new discovery of supply, economic control of production, increased efficiency and redu
Jan 1, 1930
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Sherritt Gordon - Nickel's Unconventional Winner
The growth and influence of Sherritt Gordon Mines Ltd. in the nickel producing industry has been quite phenomenal. Although the company's Lynn Lake deposit in Manitoba was actually dis- covered i
Jan 10, 1968
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Reservoir Engineering - General - A Mathematical Model of Repeated Steam Soaks of Thick Gravity Drainage Reservoirs
By G. E. Perry, R. D. Seba
The steam soak process is the most widely applied and most successful thermal supplemental recovery process in use today. This process, which consists of injection of steam in various quantities into
Jan 1, 1970
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Mining Geology - Nickel Resources, Production and Utilization
By E. S. Moore
Although nickel was in use in alloys long before the Christian era, the metal was not discovered until 1751, when Cronstedt recognized it in niccolite from Sweden. The Chinese apparently used a nickel
Jan 1, 1932
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Institute of Metals Division - Martensitic Transformation in Binary Titanium Alloys
By Y. C. Liu
Both the habit plane of martensite and the orientation relationship between the matrix and martensite platelets of different habit planes have been investigated in binary titanium alloys with molybden
Jan 1, 1957
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Communist Activities in the Battle For Industrial Supremacy
By Charles Will Wright
The present struggle for economic and industrial supremacy by the Communist world is against the United States, its main target, and the other Free World nations. The basis of industrial power is mine
Jan 1, 1964