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Lake Superior Paper - The Commercial Wet Lead-Assay (Discussion, p. 1010)By H. A. Guess
For a number of years I have used for the commercial wet assay of lead generally the ammonium molydate, and occa-sionally the ferrocyanide method. These well-known methods need no detailed description
Jan 1, 1905
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Papers - - Produciton - Domestic- Oil and Gas Development in Colorado in 1934By C. E. Shoenfelt
Operations ill Colorado oil fields in 1934 were not quite so extensive as in 1933, but much better results were obtained and one new oil field was discovered. In all, 26 wells were drilled, of which 9
Jan 1, 1935
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Recovery of Ni in Wastewater from Metal Plating Industries by Application of Ion Exchange Moving BedBy Hideaki Tokuyama
Recovery of Ni from acidic wastewater of metal surface treatment has been investigated for reuse of the metal and water. Ion exchange equilibria between Ni ion and a strong acid cation resin, DIAION S
Jan 1, 2003
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Determinación de fierro en ambientes industriales por medio del complejo aceto-férricoBy Medardo Echegaray R.
El presente texto señala la utilización del complejo acético para la determinación colorimétrica del fierro en la industria. De acuerdo a los estudios realizados anteriormente, se encontró que el méto
Jul 20, 1961
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The action of lime in promoting pipeline flow of tailing slurriesBy G. W. Poling, J. R. Hoffert
"A common practice in preventing gravity-fed tailing pipeline from plugging due to sanding is to add lime at relatively high dosage rates. The lime affects the rheology of the slurry ""vehicle"" which
Jan 1, 1985
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Electrical Fume Precipitation at GarfieldBy W. H. HOWARD
Discussion of the paper of W. H. HOWARD, presented at the Salt Lake meeting, August, 1914, and printed in Bulletin No. 92, August, 1914, pp. 2029 to 2046. EDGAR M. DUNN, Anaconda, Mont.-Mr. Howard&ap
Jan 11, 1914
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Grinding And Concentration Of Conglomerate Copper OreBy J. W. Keck
Pilot plant grinding and concentration test results indicate that conglomerate native copper ore can be ground and concentrated using conventional techniques. Single stage autogenous grinding and rod
Jan 1, 1973
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International Education Of Mining Engineers - An Update On The Australian Experience And International Opportunities For Collaboration - Preprint 09-003Collaboration between education providers is the key to long-term sustainability and improved quality in mining education. The mining industry is now, more than ever, an industry doing business on a
Jan 1, 2009
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Effect of Composition upon Physical and Chemical Properties of 10-karat Gold AlloysBy Tracy Jarrett
IN making gold alloys possessing certain physical properties, such important factors as corrosion resistance, color, hardness and melting points must be considered. All of these requirements depend di
Jan 1, 1939
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IC 9509 - Ergonomics Processes: Implementation Guide And Tools For The Mining IndustryBy Janet Torma-Krajewski
Research has shown that an ergonomics process that identifies risk factors, devises solutions to reduce musculoskeletal disorders (MSDs), and evaluates the effectiveness of the solutions can lower wor
Feb 1, 2009
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Effect of Spacer Chain Length on the Flotation of Kaolinite and Quartz by Using Gemini Surfactants as CollectorEffect of Spacer Chain Length on the Flotation of Kaolinite and Quartz by Using Gemini Surfactants as Collector
Sep 13, 2010
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San Francisco Paper - Standardizing Rock Crushing TestsBy Myron K. Rodgers
In rock- or ore-crushing tests all data, in order to be valuable for study and comparison, should be obtained and tabulated under conditions as uniform as possible. The results of many such tests have
Jan 1, 1916
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RI 5320 Copper Mines And Prospects Adjacent To Landlocked Bay, Prince William Sound, Alaska ? SummaryBy Miro Mihelich
The mines and prospects in the vicinity of Landlocked Bay, 25 miles southwest of Valdez, Alaska (fig. 1), were examined, mapped, and sampled in July and August 1955 as part of a comprehensive investig
Jan 1, 1957
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Evaluation Of Smoke Detectors For Use In Underground Mines - Preprint 09-072By C. D. Litton
Laboratory experiments were conducted to determine the responses of a prototype smoke detector and a commercially available photoelectric smoke detector to smoke particles generated from various combu
Jan 1, 2009
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Regime Cinético De Um Catalisador Ni/al2o3 Em Reações De Oxidação Parcial Do MetanoBy Marcela dos Passos Galluzzi Baltazar
Catalisador monolítico comercial de níquel foi selecionado com o objetivo de se determinar o regime cinético da reação de oxidação parcial do metano (OPM). As estruturas cristalinas deste catalisador
Oct 30, 2017
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IC 8959 Economic And Technical Evaluation Of The Sulfurous Acid-Caustic Purification Process For Producing Alumina From Kaolinitic ClayBy Deborah A. Kramer
An economic and technical evaluation of a proposed process to recover alumina by leaching calcined kaolinitic clay with sulfurous acid is presented in this Bureau of Mines report. After the insoluble
Jan 1, 1983
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Towards Sustainable Material Usage: Investigating Limits to Secondary Aluminum SinksBy Gabrielle Gaustad
For aluminum, substitution of primary with secondary resources decreases energy consumption; this energy advantage creates a strong economic incentive to recycle. Several authors have raised concerns
Jan 1, 2010
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A review of information on the influence of plan curvature on rock slope stability and its effect on the volume of wedge failuresBy R. Armstrong
The stability of rock slopes is significantly influenced by their curvature in plan view. The importance of this in open pit mining is indicated by the fact that, in a deep pit, steepening of the slop
Jan 1, 2003
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RI 4523 Laboratory Study Of Asphalts From Native Bitumens And Bituminous SandstonesBy Rethel L. Hubbard
Fourteen straight-run asphalts were prepared in the laboratory from bitumens obtained from three sources: (1) native bitumen from Rozel Point, Utah, (2). bitumen extracted from Athabaska bituminous sa
Jan 1, 1949
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Morning Session Tuesday, June 26, 1979Presiding was Robert E. Murray. The first speaker was Frank L. Natta, Administrative Manager-Trapper Mine, Utah International, Inc., Craig, Colorado. Subject - "Long Term Coal Contracts." Mr. Natta g
Jan 1, 1979