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Electrochemical Study of Gold Cyanidation in the Presence of Roasted Gold Ore and its Associated Oxide MineralsBy E. Ghali, A. D. Bas
"Treatment of oxide, e.g. roasted gold ores has received relatively less attention than sulphidic ones and recently, handling of oxide gold ores is becoming essential. In this study, the influence of
Jan 1, 2016
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CAD/CAM and Modeling Research Activities at Ohio UniversityBy Jay S. Gunasekera
Since great emphasis is being placed on the manufacturing science and processing science programs in the Department of Defence and other government research agencies and industries; currently, extensi
Jan 1, 1990
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Targeting dilatancy in upstream constructionBy A Simmons, J Chan, A Li, Q Gu, D M. Brett
The paper presents an example of field density achievements using thin layer deposition and solar drying and compares this with compaction data from laboratory testing and field trials of mechanical d
Jul 1, 2021
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The Status Of Marine Minerals Research WorldwideBy Michael J. Cruickshank
Marine minerals are more than an academic curiosity as they represent the most significant global source of mineral materials for economically and ecologically sustainable development for the future.
Jan 1, 1996
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The Development Of The Fosfago Phosphate Rock Concentrator, BrazilBy M. F. Dibble
The Fosfago phosphate rock concentrator is located in the state of Goias, Brazil, 300 km south of Brasilia. The ore is from an enriched carbonatite, which was discovered in 1971 during exploration for
Jan 1, 1980
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The Aqueous Oxidation of PyriteBy James Stenhouse
Abstract The aqueous oxidation of pyrite in caustic solutions under oxygen pressure was investigated by measuring that effect of reaction variable on oxygen consumption by the reactions. From the res
Jan 1, 1952
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Prevention of Environmentally Assisted Cracking of Structural Aluminum Alloys by Al and A1-5mg Thermal Sprayed Coatings Using Different Surface Preparation TechniquesBy E. Ghali, B. Arsenault
Aluminum alloys play an important role in the manufacturing of air and ground vehicles. However, with such alloys, corrosion damage is often found on structural components subjected to fatigue loading
Jan 1, 2006
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A New Future at HBMS - The 777 ProjectThe paper describes the $US240 million expansion at Hudson Bay Mining and Smelting Co LimitedÆs operations in Canada. The company has been continuously producing copper and zinc from local area mines
Jan 1, 2000
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Plasma Synthesis of Nano-Sized Metallic Powders Using a De-Laval Nozzle for QuenchBy Wenxian Zhu, Patrick R. Taylor
"The small dimensions of nano-sized materials leads to novel and enhanced mechanical and physical properties. A thermal plasma reactor has been developed to study the formation of nanometer sized meta
Jan 1, 1998
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The Mineral Industry Of Other Countries Of The Near East - BahrainBahrain's oil revenue increased from $337 million2 in 1916 to $378 million in 1977. Despite the increase in value, petroleum receipts made up only 584 of all Government income in 1877, compared w
Jan 1, 1981
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Development Of Modified Gas Indices For Early Detection Of Spontaneous Heating In Coal PillarsBy D. C. Panigrahi
Extensive field studies have been carried out to investigate the pillar fire problems in one coal mine in India. A Thermal IR gun and a Thermovision camera have been employed for thermal scanning to a
Jan 1, 2004
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Behavior Of Pile Groups Arrangement Adjacent To A Sand Slope Under Lateral LoadBy Mohamed A. Sakr
An experimental study on the behavior of pile group's arrangement under lateral load was carried out in the level ground and at crest of sand slope 3H: 2V. Tests were conducted on single pile and
Jan 1, 2010
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Quality Sampling Using Coiled Tubing Drilling in Deep Mineral ExplorationBy V Rasouli, G Cavanough, A Mokaramian
The sampling time, the costs and its quality are the three factors that determine the best method of drilling in mineral exploration. The two principal methods of reverse circulation (RC) and diamond
Aug 21, 2012
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Chicago, Ill Paper - The Pocahontas Mine-ExplosionBy Stuart M. Buck, J. H. Bramwell, Edward H. Williams
The Southwest Virginia Improvement Company began operations in the Bluestone Flat-Top coal-field, situated in Tazewell County, Virginia, in the fall of 1881. In May, 1883, the company had built 200 co
Jan 1, 1885
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Welcome to the UniversityMr. President, Ladies and Gentlemen, it gives me great pleasure to welcome you, on behalf of the Council and Administration, to this University and extend to you our very best wishes for a most succe
Jan 1, 1975
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Chicago Paper - Chilean-mill Practice at the Portland Mill (with Discussion)By Luther W. Lennox
The purpose of this article is not to compare one type of grinding machinery with another and to conclude from a series of tests that one particular machine is superior to all others. Neither is the r
Jan 1, 1920
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Caro's acid-an oxidant for acid leaching of uranium oresBy M. Yamine, R. J. Ring, D. J. Waters
"An experimental program has been carried out by the Australian Atomic Energy Commission to compare the effectiveness of Caro's acid as an alternative oxidant to pyrolusite in the leaching of ura
Jan 1, 1984
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Grain Size Modelling Of A Low Carbon Strip Steel During Hot Rolling In A Compact Strip Production (CSP) Plant Using The Hot Charge RouteBy W. Stumpf
Mill log analyses and complementary hot deformation studies were carried out on the as-cast structure and on a hot rolled structure of the same low carbon steel (SAE 1006) that had been processed acco
Jan 1, 2003
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OFR-75-78 Final Report - Hydraulic Transport Research Facility - Volume I[This Report represents the culmination of work perfomed under Contract No. .,JG1551A8 for the U.S. Bureau of Mine.The '.:o-< embeded a site evaluation, engineering E:-y- ,, esign, and preparati
Jan 1, 1976
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Sistematização Dos Documentos De Qualificação Dos Fornecedores Críticos Para O Meio Ambiente E QualidadeBy Andreza Aparecida de Miranda
No mercado atual a organização que possui certificação ISO tem ganhos significativos de competitividade e credibilidade. A Companhia Siderúrgica Nacional é uma empresa que possui tanto a certificação
Jul 29, 2018