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Structural and Electronic Properties of Smithsonite and Cerussite: A DFT Simulation
By Y. Q. Li, X. H. Long
In this work, structural and electronic properties of smithsonite (ZnCO3) and cerussite (PbCO3) as the typical lead-zinc oxide minerals is simulated by means of DFT. The calculated results could be co
Jan 1, 2015
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Behaviour of Rooms and Pillars in Deep Potash Mines
By Dennis Z. F. Mraz
"Because rock salt and pot ash formations contain particles capable of elastic deformation, the material has usually been compared with various rheological models containing elastic elements. Extensiv
Jan 1, 1973
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Development of a superior upper sidewall for indurating iron ore pellets
By J. R. D. Gravel, D. A. Poland
"The induration of iron ore pellets has always utilized prefired pellets to protect the pallet cars from the environment of the induration furnace. This paper presents the process used to obtain super
Jan 1, 1999
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Potash Processing - A Review
By A. F. Banks
"The last time I spoke to you the potash industry was at a low point. Markets were bad and the industry depressed. Many people had left and there was very little being done in terms of development. Th
Jan 1, 1982
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Flotation Development Testwork on REE Samples from the Strange Lake Alkalic Complex
By B. Yu, Y. O. Oyediran, M. Robart
"This paper presents the latest flotation development testwork conducted in 2015 on the ‘B Zone’ samples from the Strange Lake Alkalic Complex (SLAC). Since the discovery by Iron Ore Company of Canada
Jan 1, 2016
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Predicting cave initiation and propagation
"The most widely used method for predicting the onset of continuous caving is Laubscher’s caving chart. A detailed examination of this method was undertaken which concluded that it had limitations whi
Jan 1, 2003
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A Study of Polynary Uranium Mo-Zr-Nb-V Alloys
"In a continuing investigation into the development of uranium alloys for armament applications, some complex base alloy corn positions were modified by varying the amount of alloying elements and by
Jan 1, 1968
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Design of Energy Efficient Shaft Systems
By W. J. Kempson
In recent years, substantial progress has been made with respect to the definition and control of the primary energy requirements in underground mines. Little has, however been done to develop a more
Aug 1, 2013
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Recent research directions at CANMET’s Cape Breton Coal Research Laboratory
By David J. Forrester
"CANMET’s research into underground coal mining is primarily conducted at the Cape Breton Coal Research Laboratory (CBCRL), established in 1981 to conduct safety research in underground coal mines. Lo
Jan 1, 1996
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Relationships between Structure and Mechanical Properties in a Die-Cast Am6ob Magnesium Alloy Component
By J. P. Weiler
The increasing use of high-pressure die-cast magnesium alloys in the automobile industry requires a better understanding of the mechanical properties, the microstructure, and particularly, the relatio
Jan 1, 2006
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A Study on Direct Oxalate Precipitation for REE Recovery from a Low-Grade REE Pregnant Solution
By W. Griffith
"While oxalic acid precipitation practices are commonly applied on purified rare earth elements (REEs) pregnant leaching solutions (PLS), few efforts have been reported using oxalic acid (OXA) to reco
Jan 1, 2016
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A Comparison of Refractory Lined and Metal-Clad Process Vessels for Specific Operating Conditions
By M. Pearson, L. Zunti
Pressure vessels in hydrometallurgy and many chemical process industries throughout the world require the use of specific lining systems to protect the parent vessel materials from corrosion and/or ab
Jan 1, 2004
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The Position of Coal Supply tn Regard to the Requirements for Electric-Utility Operations
By C. E. Baltzer
This paper highlights the position of coal supply in regard to the requirements for electric-utility operations. The text and the appended tables outline the trend of thermal power development and fue
Jan 1, 1961
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Some Hypotheses Concerning Cathode Wear in Aluminium Electrolysis Cells
By Asbjørn Solheim
The service life for aluminium reduction cells is often limited by the cathode carbon, due to preferential wear along the periphery of the cell leading to the so-called "W" wear pattern. The reason fo
Jan 1, 2011
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Computer predictions of coal cleaning performance
By Brian L. Beninger
This paper discusses the application of the computer to coal preparation process predictions. In broad terms, the computer is used to perform two main functions. Firstly, the given float-sink analysis
Jan 1, 1979
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MillMapper - A Tool for Mill Liner Condition Monitoring and Mill Performance Optimization
By Jochen Franke, Derek D. Lichti
"This paper gives a brief introduction and presents recent enhancements in the MillMapper technology developed for thickness gauging and condition monitoring of liners in grinding mills used for miner
Jan 1, 2008
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Numerical and experimental study of wedge penetration into oil sands
By D. D. Tannant
An experimental and numerical study was conducted on the geomechanical behaviour of oil sands during penetration tests in which a steel wedge with an apex angle of either 20 degrees or 30 degrees was
Jan 1, 2002
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System thinking for quality management and continuous improvement in mining
By M. Vallée
"Geological and technical problems are often considered the most important ones affecting new mining projects. Typical problems and likely causes are reviewed based on current Quality Management and C
Jan 1, 2003
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AG Milling with and Without Pebbles Recycle - Effect on Multi-Component Ore Deportment and Throughput
Palabora Mining Company (PMC) processes a multi-component ore body using a circuit consisting of two AG mills in parallel, closed with vibrating double deck screens and hydrocyclones. The bottom scree
Jan 1, 2012
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Gold Gravity Recovery at the Mill of Les Mines Camchib Inc., Chibougamau, Québec
By L. Lui, A. Cauchon, A. R. Laplante
"The gravity circuit at Les Mines Camchib Inc. consists of two pinched sluices to bleed a feed to one of two 76 cm (30"") Knelson concentrator. The Knelson concentrate is upgraded to smeltable grade w
Jan 1, 1990