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Establishing Geotechnical Baseline Values for Deep Soft Ground Tunnels
By John E. Newby
The Brightwater Conveyance System consists of four tunnel segments in three tunnel con-tracts, comprising over 21,760 m (71,400 ft) of pressurized face tunneling in complex glacial and non-glacial sof
Jan 1, 2008
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Leaching of a Refractory Gold Ore Sample from the Central Zone, Clarence Stream Property, New Brunswick, Canada
By J Pric, M Fulton, C Xia
A cyanidation study was conducted on a mild refractory gold ore sample from the Central zone of Clarence Stream Property, owned by Freewest Resources Canada, to develop a leaching strategy to extract
Jan 1, 2007
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The Pogo project: flowsheet development and design
By Eric Konigsmann
"The Pogo project is located on the Goodpaster River, 38 miles north of Delta Junction in east central Alaska. Sumitomo Metal Mining and Teck Corporation are planning to develop a 2,500 ton per day un
Jan 1, 2002
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Costing Techniques in the Mining Industry
Many mining operations are uncertain of what costs they should be achieving. The majority of cost estimates are based on historical costs that have added contingency factors. Historical costs are a
Jan 1, 1990
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Deep Diaphragm Walls And Bored Piles For Subway Construction At The Amsterdam Central Station
By Wolf-R. Under
For improvement of urban traffic infrastructure, the City of Amsterdam is currently constructing the 9.5 km long North-South Metro line passing through the central districts of Amsterdam. Focal secti
Jan 1, 2006
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Discussion, Institute of Metals Division, Fall Meeting, 1948
Page The Cobaltchromium Binary System (paper by A. R. Elsea, A. B. \Yesterman, and G. K. Manning, Met. Tech. June, 1948, Mechanism of Precipitation in a Permanent Magnet Alloy (paper by A. H. Ge
Jan 1, 1950
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Method For Assessing Quality Of The Variogram
By H. J. Glass
Collection, preparation, and analysis of blasthole chippings is expensive. Frequently, interpolation of grades at unsampled locations is considered using techniques like kriging. A pre-requisite for k
Jan 1, 2003
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A comparison of globe, wet and dry temperature and humidity measuring devices available for heat stress assessment
By S. Hardcastle
Various controlled and ambient tests were undertaken to evaluate the performance of a variety of digital heat stress monitors, psychrometers and simpler temperature/relative humidity data loggers that
Jan 1, 2009
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Infrared Recognition of High Sulphide and Carbonaceous Rocks after Microwave Heating
By Gus Van Weert, Peter Kondos
"Ore sorting has been quite successful in providing a separation means in the rock size range of 1 to 6 inches; a range where mineral dressers do not have many options. The industrial minerals and rec
Jan 1, 2007
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Technical Note - Isolation And Identification Of Metal-Resistant Iron-Oxidizing Bacteria
By Wu Xueling
9K medium was used to isolate iron-oxidizing bacteria from 27 sump water samples collected from Dexing Cop-per Mine, Chengmen Mountain Mine and Yin Mountain Mine, Jiangxi Province, China. Lead acetate
Jan 1, 2007
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Converse Probabilistic Analysis And Testing In Situ For Bed Rock Under Pile With Large Diameter
By Peng Jiahong
With ultrasonics application during checking the large diameter cast-in-situ pile body, it is usualy applied the statistical method of probability and PSD. This paper presents a converse probabilistic
Jan 1, 1991
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Digital Simulation of Particulate Processes
Digital Simulation of Particulate Processes The inherent complexity of mineral particulates (shape, size and mineralogical texture) has challenged conventional simulation model approaches for decades
Sep 13, 2010
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The Evolution of Mining and Drilling and Blasting Practices in Ghana
By Stanton Johnson
Africa has a long history of mining and has been one’of the world’s greatest sources of gold and other mineral resources since the days of the Egyptian pharaohs. Mining in Africa has been dominated by
Jan 1, 1998
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RI 8903 - Continuous Beneficiation of Dolomitic Phosphate Ores
By B. E. Davis
Over 80 pct of domestic phosphate rock, which is the starting material for phosphorus-containing fertilizers, comes from central Florida deposits. As K-her grade deposits are depleted, lower grade pho
Jan 1, 1984
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Predominance Area Diagrams Bounding the Cu-As-S-O System’s 3D Predominance Diagram at 900 K (627 °C) Mining, Metallurgy and Exploration (8a1d5964-4d01-4605-bf23-bcfbb4667775)
By M. Sadegh Safarzadeh, Stanley M. Howard
The two-dimensional predominance area (Kellogg) diagram (PAD) surfaces bounding the three-dimensional Cu-As-S-O system were constructed at 900 K. The computations employed gases As4O6(g), O2(g), and S
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Predominance Area Diagrams Bounding the Cu-As-S-O System’s 3D Predominance Diagram at 900 K (627 °C) Mining, Metallurgy and Exploration
By M. Sadegh Safarzadeh, Stanley M. Howard
The two-dimensional predominance area (Kellogg) diagram (PAD) surfaces bounding the three-dimensional Cu-As-S-O system were constructed at 900 K. The computations employed gases As4O6(g), O2(g), and S
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Book news
The industrial relations handbook, by A. Pons. Juta (P.O. Box 14373, Kenwyn 7790). 1989. "'"250 pp. Looseleaf binder. R180 + GST. Industrial laser materials processing. World Business Publica
Jan 1, 1990
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A Comparison Of The Reheat Cracking Susceptibility Of A Service Exposed High Temperature Alloy Steel With That Of New Material
By R. Loots
High temperature creep resistant alloys are used in power plants as steam pipes and headers where they have to withstand super heated steam temperatures of up to 600ºC for the lifetime of the plant. F
Jan 1, 2004
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bauma ’04 Attracts More Than 410,000 Visitors
More than 410,000 visitors from 171 countries helped bauma ’04 set new attendance records at the world’s largest construction machinery and mining technology show. The show, held in Munich, Germany M
Jan 1, 2004
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Some Rb-Sr Measurements on Granites Near Mount Isa
Rb-Sr measurements on total-rock samples of granitic rocks from the Mount Isa region have confirmed the existence of two periods of granite-forming activity. The Kalkadoon Granite, together with the E
Jan 1, 1966