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Performance improvements in industrial rod milling operations"Since the publication of a literature review on this topic (McIvor and Finch. 1986), the author has been involved in more than thirty rod milling efficiency tests at seven different milling operation
Jan 1, 1995
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Monitoring of Dynamic Bolts for High Stress MiningBy F. Charette
The paper reviews the requirements of the instrumentation required to monitor mining excavations in a high stress environment, and the development plan to instrument the D-Bolt in such a fashion as to
Jun 1, 2012
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Assessment Methodologies For Girth Weld Defects In PipelinesBy W. R. Tyson
Imperfections such as lack-of-fusion and undercut are inevitable in field welding of pipelines. Above a certain size, such defects must be removed or repaired. In the present state of the art, determi
Jan 1, 2010
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Training Operators ? A Diligent ResponsibilityAccountability for profit realized or lost, and responsibility for continued safe operation are the main impetus behind operator training. Efficiency in operation enables production at lower unit cost
Feb 1, 2008
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Effect of Mineralogy on the Flash Combustion of ConcentratesBy G. Stokreef, B. R. Davis, M. Kadiyski, T. LeBel, Alvear Montenegro, R. Parra, V. Montenegro
A drop tower and methodology were developed to study the impact of mineralogy on the flash combustion behaviour of copper concentrates. Reaction shaft conditions of a flash furnace were simulated usin
Jan 1, 2019
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Comparison of oxidants for the leaching of uranium ores in sulphuric acidBy G. M. Ritcey, K. E. Haque
"Laboratory-scale sulphuric acid leach tests were conducted on Elliot Lake and Rabbit Lake ores in the presence of various oxidants, namely: Fe2(SO4)3, CI2, H2O2, NaClO3, MnO2, H2SO5, HNO3, Oxon e, K2
Jan 1, 1982
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Microstructural Analysis of Electro-Spark Deposited Aerospace SuperalloyBy O. A. Ojo, E. Anisimov, A. K. Khan
Electro-spark deposition (ESD) has recently generated a great deal of interest in processing aerospace materials. This is due to its potential for joining and repairing difficult-to-weld precipitation
Jan 1, 2015
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The Strength Characteristics of Helical SpringsBy R. C. A. Thurston
Introduction A mechanical spring has been .defined by Wahl ( 1) as 'an elastic body whose ?primary function is? to deflect or distort under load, and which recovers its original shape when relea
Jan 1, 1951
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The Role of the Center for Science in Public Participation in Mining Environmental Issues, with Perspective for Regulators and IndustryBy James R. Kuipers
Center for Science in Public Participation CSP2 ? Organized in 1997 to provide technical assistance to public interest groups on mining and water quality issues ? 80%of effort devoted to direct su
May 1, 2002
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A Simple Process for the Production of Mono-Dispersive Hollow CEO2 MicrospheresBy Bian Xue, Wu Wenyuan
High quality, mono-dispersed, hollow CeO2 microspheres with high surface area were produced by a spray pyrolysis method at 700oC. CeCl3 was used as the raw material of the process rather than Ce(NO3)3
Jan 1, 2014
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Water management simulation for the Pogo Gold MineBy G. Beckstead, L. Gormely, R. Zimmer, K. Hanneman, B. Nethery
As part of the EIS and permitting activities for the Pogo Mine in Alaska, a risk assessment study for the water management plan was carried out. The basis for the study was a site water volume and con
Jan 1, 2005
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Requirements for Mine Ventilation Fans Delivered to RussiaBy M. Knot
Fans delivered to the Russian Federation, and eventually to countries of the former U.S.S.R., for mine ventilation must meet the legislative requirements of local jurisdictions. This paper presents a
Aug 1, 2013
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Geometallugical Design for a Large Copper-Molybdenum ConcentratorBy D. R. Hatton
To obtain sufficient material on which to perform copper-molybdenum separation testwork a variability set of drill hole reject samples amounting to several tons was put together to include the differe
Jan 1, 2019
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The outlook for barite production in British ColumbiaBy L. Nutter, J. Clancy
"Barite is used extensively by the oil and gas well-drilling industry as a weighting agent. It is particularly well suited for drilling mud because of its qualities; it is non-abrasive, heavy, virtual
Jan 1, 1982
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Pilot-Plant Facilities for Hydraulic Transport of SolidsBy L. G. Smith, C. A. Shook, W. H. W. Husband, W. Schriek
"The flow of slurries in pipelines is governed by many variables, and the study of the influence of each of these variables is difficult, if not impossible, in some cases. Many correlations are availa
Jan 1, 1973
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Bio-Inspired Burrowing Mechanism for Underground Locomotion ControlBy S. M. Moon
Today, underground exploration is spotlighted as an infinitely developable area. For this purpose, many tunneling technologies were created. And until this very day, many techniques are being develope
Aug 1, 2013
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Hydrometallurgical Strategies for Higher Impurities in Copper RefiningBy C. Sist, J. Shannon, J. Fossenier, J. F. Adams
With the cleanest and easiest to treat copper concentrates dwindling and becoming harder to find, electrorefineries must deal with the reality of higher impurity anodes. There are well-known strategie
Jan 1, 2019
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Combined Technology for Complex Rare-Metal Ores ProcessingBy A. A. Rogozhin, E. G. Likhnikevich, S. I. Anufrieva, A. V. Kurkov
The Beloziminskoe deposit in Siberia is a large, potentially productive deposit of rare metals contained in ochreous apatite pyrochlore ores formed by weathering of a carbonatite. The ores are compose
Jan 1, 2016
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Further Notes on a Field-Test for GoldBy G. Vibert Douglas
IN a previous paper by Douglas and Gillies (1), a simple field test was given for gold. Later work by the present writers, and by others who have kindly written to us, shows that the test is not as sa
Jan 1, 1938
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Employee assistance programs for hourly and salaried employeesBy K. MacMaster
"This paper deals with the history, development, present and future of the Employee Assistance Programs in place at the Inco Ltd. operations in Thompson, Manitoba. It should be noted that, although ma
Jan 1, 1989