CĂRȚI ÎN ENGLEZĂ ÎN LEGĂTURĂ CU «COLUMBIUM»
Descoperă întrebuințarea
columbium în următoarea selecție bibliografică. Cărți în legătură cu
columbium și extrase din aceasta pentru a furniza contextul de întrebuințare al acestuia în literatura Engleză.
1
Trends in Usage of
Columbium: Report
C. Commercially Pure Columbium and Columbium-Base Alloys Columbium or
columbium-base alloys compete with superalloys and dispersion modified
materials for potential applications in some hardware in rocket engines, gas
turbine ...
National Research Council (U.S.). Committee on the Technical Aspects of Critical and Strategic Material. Panel on Columbium,
1970
2
High-temperature Oxidation-resistant Coatings: Coatings for ...
use of the Sn-Al coating system developed for tantalum as a protective system for
columbium.2 Protective lives of the Sn-Al coating at temperatures to 2500° F
were typical of slurry-applied aluminide coatings on columbium. Boeing utilized
the ...
National Research Council (U.S.). Committee on Coatings,
1970
3
The structural stability of welds in
columbium alloys: ...
RECOMMENDATIONS This initial study of the structural stability of columbium
alloy welds has suggested several areas where emphasis should be applied
during further related studies. l. Aging studies between l000 and 2600°F should
be ...
General Electric Company, R. E. Yount, D. L. Keller,
1964
4
The Code of Federal Regulations of the United States of America
Fireclay Common day and Cobalt Columbium Copper Cryolite Processing plants
Do Mines: crushing, sizing, plants. Mines; Processing plants Mines: Do . Do .
Quarries; cutting plants Processing plants . Ores. Do. Do. Do. Carbon. Ores. Do.
Do.
Department of Commerce (DoC) Staff,
1983
5
Encyclopedia of Chemical Processing and Design: Volume 56 - ...
This procedure efficiently recovers both columbium and tantalum in the form of
separate streams that then can be further processed individually into oxides and
metal. Columbium oxide is precipitated from the columbium stream by ammonia ...
6
Columbium and tantalum alloy development
As part of a project to develop refractory metal alloys suitable for high-temperature structural applications, the Bureau of Mines applied solid solution and precipitation-hardening techniques to columbium and tantalum alloys.
Herbert R. Babitzke, Haruo Katō, Laurance L. Oden,
1968
7
Behavior and Properties of Refractory Metals
Wah Chang Corp., Data Sheets for Columbium and "C-103 Moderate Strength
Fabricate Cb-Base Alloy," Wah Chang Corp. (Mar. 1961). 41. A. B. MICHaEL,
unpublished data from tests by Marquardt Corp. submitted in communication to
D. M. ...
Behavior Of Metals, T. E. Tietz, J. W. Wilson,
1965
8
Some Fundamentals of Analytical Chemistry: A Symposium ...
An example of the need for both oxidation and solvation is presented in the case
of columbium dissolution. The reduction potential of columbium is such that nitric
acid could readily oxidize it to the + 5 state. However, nitric acid will not dissolve ...
Francis Patrick Byrne,
1974
9
Irradiation Effects on the Microstructure and Properties of ...
N. Igata, ' F. W atari, ' and H. Murakami Observation of Defect Clusters of
Columbium and Columbian Alloys In Situ Irradiated Under a High- Voltage
Electron Microscope REFERENCE: Igata, N., Watari, F., and Murakami, H., "
Observation of ...
10
Extractive Metallurgy of Niobium
Lamprey, H., Tantalum and columbium chemical compounds, in Columbium and
Tantalum, Sisco, F.T. and Epremian, E. (Eds.), John Wiley & Sons, New York,
1963. 154. Hopkins, B.S., Columbium and tantalum, Chap. 15 in Chapters in the
...
C. K. Gupta, A. K. Suri,
1993
ȘTIRI NOI CARE INCLUD TERMENUL «COLUMBIUM»
Află ce ziare naționale și internaționale au scris despre și cum este întrebuințat termenul
columbium în contextul următoarelor știri.
Estonia rare metals plant catches fire, threat of toxic smoke as roof …
According to the data, provided by the management of the plant, it produces rare metals such as tantalum and columbium. Molycorp Silmet ... «RT, Iun 15»
Part of former Hillcrest depot up for auction
When environmental assessments began in 1998, they included 2.8 million pounds of chromium, 1 million pounds of columbium-tantalum and ... «Press & Sun-Bulletin, Iun 15»
Mallinckrodt Asks NRC for License to Allow Direct Dose Assessment …
The license currently states that Decommissioning of Columbium-Tantalum (C-T) process area building slabs and foundations, paved surfaces, ... «Targeted News Service, Iun 15»
Steam Stones Safer Than Hookah, But Only If You Smoke Them Right
"The two big metals that I consistently saw were columbium [niobium] and arsenic," said study author Amberlie Clutterbuck. These elements or ... «Inside Science News Service, Mai 15»
Strategic minerals and the aerospace and defence industries
... electron tubes, search and detection and navigation instruments), columbium (aircraft, missiles, spacecraft, aero engines and parts), copper ... «Creamer Media's Mining Weekly, Apr 15»
Research and Markets: Global Tantalum and Niobium (Columbium …
Comprehensive data showing tantalum and niobium (columbium) worldwide production, consumption, trade statistics and prices are provided. «Business Wire, Apr 15»
Niocorp publishes encouraging results for the United States' only …
... rare earth element mineralization and especially high grade concentrations of niobium (formerly known as columbium), a rare metal that is ... «InvestorIntel, Ian 15»
MDN poised to take advantage of higher than expected niobium …
Niobium, formerly known as columbium, is not technically a rare metal, as its atomic number falls outside the boundaries of the lanthanides; ... «InvestorIntel, Ian 15»
Port board approves site review contract
Fansteel, which once extracted tantalum and columbium from uranium and thorium ores and tin slag, suspended operations in 2001 for ... «Muskogee Daily Phoenix, Dec 14»
Niocan Lists on the TSX Venture Exchange
... politico-social conflicts, competition, regulatory approvals, the purchase of the old St-Lawrence Columbium mine site from the Municipality of ... «MarketWatch, Oct 14»