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A Statistical Determination Of Methane Emission From Coalbeds - Case StudyBy S. Sarac
In this study, a statistical model is suggested in order to determine the methane emission from a working seam. In the proposed method, methane concentrations which are systematically measured in retu
Jan 1, 2003
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Kinetic Dependence of Refractory Gold Sulfide Biooxidation Using Different Microorganism AssociationKinetic Dependence of Refractory Gold Sulfide Biooxidation Using Different Microorganism Association In this investigation, refractory sulfide concentrate from a deposit located in northern Russia wa
Sep 13, 2010
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Environmental, social and governance considerations in public mineral reportingBy H Arvidson, V Chamberlain, J Joughin, N Pollock, F Cessford, T Flitton, T Rowl
Environmental, social and governance issues (ESG) have become a defining feature in the marketplace to differentiate preferred investments. With the sustainability commitment and reporting landscape a
May 24, 2023
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Study on Mineral Processing Technology for a Refractory Iron OreStudy on Mineral Processing Technology for a Refractory Iron Ore
Sep 13, 2010
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Hydrothermal and Host Rock Controls on Environmental Geochemistry: Comparison Between Coromandel and OtagoBy D Chappell
Coromandel Peninsula gold mineralisation has an epithermal style which involves extensive alteration of host rocks and addition of pyrite over large volumes of rock. These altered rocks therefore have
Jan 1, 1998
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Recovery Of Cobalt From Slag In A DC Arc Furnace At Chambishi, ZambiaBy R. T. Jones
The 20 Mt reverberatory furnace slag dump at Nkana in Zambia contains a substantial quantity of cobalt. A 40 MW DC arc furnace has been built at Chambishi for the purpose of recovering cobalt from the
Jan 1, 2002
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IC 7295 Corundum ? Composition And PropertiesBy Robert W. Metcalf
Corundum, natural alumina, or aluminum oxide (A1203) is the hardest mineral known except diamond. Theoretical composition is Al 52.9 percent and 0 17.1 percent, but it always contains small quantities
Jan 1, 1944
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The Atlanta West Area CSO Storage Tunnel and Pumping Station Project—15 Months of Design Accomplished Within 10 MonthsBy Refik Elibay, Lawrence A. Williamson, George D. Barnes
Under an extremely aggressive schedule, final design of 13.5 km (8.4 miles) miles of 8.2 m (27 ft) diameter deep rock tunnel, 322 ML/day (85 million gallons / day)submersible pumping station and assoc
Jan 1, 2005
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Critical Aspects Of Sampling In Mills And Plants: A Guide To Understanding Sampling Audits (Journal)By D. François-Bongarçon
When it comes to sampling theory, a bad sampler is a bad sampler, no matter what, and a sampler is either bad or good. It also is of critical economic importance to tell and understand the difference,
Jan 1, 2002
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Case History of a Mixed Ground MicrotunnelBy D. Craig Camp
conditions. The soils included 65 m of rock not exceeding an unconfined compressive strength (UCS) of 200 kgf/cm2, 130 meters of soft clay, silt, and sand not exceeding 30standard penetration test SPT
Jan 1, 2001
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Iron and Steel Division - Cr2O3 as a Foaming Agent in CaO-SiO2 SlagsBy J. H. Swisher
An experimental study has been made of the possible mechanisms for foam stability in the system CaO-SiO2-Cr2O3, where Cr2O3is the foaming agent. The degree of lowering of surface tension by Cr2O3 was
Jan 1, 1964
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IC 8227 American Standard Safety Rules For Installing And Using Electrical Equipment In And About Coal Mines (M2.1) (Revision Of American Standard Safety Code For Installing And Using Electrical Equipment In Coal Mines, M2.1, 1952) - Introduction (5314e5b6Safety rules for installing and using electrical equipment in and about coal mines covered in this information circular supersede those previously included in Bureau of Mines Bulletin 514, issued in 1
Jan 1, 1964
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Magnetite Behaviour In Peirce Smith Converters Slag At Ilo Copper Smelter Plant, PeruBy M. Sanchez, C. Morales, J. Palacios
The slag produced in the Peirce Smith converters at the Ilo smelter of Southern Peru Copper Corporation has shown a wide range of magnetite content, which introduces an additional problem in the smelt
Jan 1, 2004
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Abstract Page - Fundamental Approaches in Longwall Dust ControlBy R. A. Jankowsi, S. K. Ruggieri
Airborne respirable dust levels on longwalls can be reduced if operators approach the dust control problem in a logical and fundamental manner. This can be accomplished through the proper application
Jan 6, 1985
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Discussion - The Flotation Behavior of Digested Asphalt Ridge Tar Sands - Technical Papers, MINING ENGINEERING, Vol. 33, No. 12, December 1981, pp. 1719-1724By J. D. Miller, R. J. Smith
Earl C. Herkenhoff Publication of the article "The Flotation Behavior of Digested Asphalt Ridge Tar Sands" by R.J. Smith and J.D. Miller has confirmed and again spotlighted a most significant and
Jan 11, 1982
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Owner Versus Contract Miner — A South African UpdateBy S. M. Rupprecht
"SynopsisOver the last decade in South Africa, there has been a significant increase in the number of mining operations, both open pit and underground, which use independent contractors to carry out m
Jan 1, 2015
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Insight to Foundation Construction of Extradosed - 3rd Narmada Bridge over River Narmada, Bharuch, GujaratBy Ekhlaq A. Khan
"The new third Bridge over Narmada River at Bharuch which was recently completed is characterized by some aesthetically appealing elevations of the pylon and large size of the deck. This paper gives a
Jan 1, 2017
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Implementation of the management safety audit systemBy Claude MacDonald, John H. Ashburn
"IntroductionIndustrial growth and technological change over recent years had been accompanied by two major sources of concern to management and employees: (a) increase in occupational injury and illn
Jan 1, 1987
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Activity Based Costing: Challenging The Way We Cost Underground Coal Mining SystemsBy G. H. Lind
This paper discusses the traditional costing approach currently used in the underground coal mining industry. Activity Based Costing (ABC) is identified as being a potentially more effective manner in
Jan 1, 2001
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Blast Designs and Instant Diagnostics Using the SVC500 Digital, High-Speed Smart Video Camera SystemBy Bruce Vandenberg, Andy Battfay, Don Lake, Steve Conway, Jeff Yorsz
"High-speed motion pictures are an invaluable resource for blasting analysis. Whether processed by the human eye or a computer, this imagery can provide important insight into a blast and its effects.
Jan 1, 1994