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On Chemical Heterogeneity Measurement And Evaluation In Cc Steel SlabBy Jana Dobrovska
The paper deals with new approach for measurement and evaluation of chemical microheterogeneity of elements in polycomponent metallic systems (i. e. steels, Ni-alloys). The method is based on the orig
Jan 1, 2006
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The Paulsens Transformation – A Shining Light under a Northern StarBy C Jones
When the Paulsens operation was poised to be placed on care and maintenance, Bill Beament and the rest of the Northern Star Resources (NSR) team capitalised on the opportunity to send the Ashburton re
Mar 24, 2014
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Landslides, Drought, And Brown Trout In The Red River, NMBy D. Conklin
Annual fish monitoring of the Red River, NM from the town of Red River to downstream of Questa, NM has been conducted since 1997. This long-term dataset, sponsored by the Chevron Mining Inc. Questa M
Jan 1, 2011
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Fatigue Knowledge?A New Lever In Safety Management - SynopsisBy W. J. Theron
The purpose of the paper is to give an introduction to the concept of fatigue and its causes in the mining industry. By knowing the fundamental role it plays, together with its dynamics, can positivel
Jan 1, 2011
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Evaluation of Large Tunnels in Poor Ground—Alternative Tunnel Concepts for the Transbay Downtown Rail Extension ProjectBy David Hopkins, Steve Klein, Bradford Townsend, Ed Sum, Derek Penrice
INTRODUCTION The Transbay-Caltrain Downtown Extension (DTX) Project involves the construction of an approximately 1.5-mile rail line that will extend Caltrain commuter service and the future Calif
Jan 1, 2007
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Winning Paper: Analysis Of Strike Gully Stability At Tautona MineBy J. Thompson
Paper written on project work carried out in partial fulfilment of B. Eng (Mining Engineering) degree A study into the stability of strike gullies at TauTona mine was to be carried out. In reaching
Jan 1, 2002
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A Slope Stability Analysis For The Trojan Pit Expansion At The Wharf Resources Mine, Black Hills, SDBy V. L. Franzen, Z. J. Hladysz, C. A. Kliche
The Wharf Resources mine, located in the Bald Mountain Mining District approximately 6.4 km (4miles) west of Lead, South Dakota, has operated a surface gold and silver mine and heap leaching processin
Jan 1, 2000
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A New Effective Labour-Planning Model for MinesThe mining industry is the largest source of foreign income for South Africa. It is also the main source of employment in the country and, as an industry; it is also one of the largest. Due to the lab
Dec 6, 2010
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Genetic Algorithms and Scenario ReductionScenario reduction is designed for selecting a representative subset of geostatistical simulations out of a much larger set. Three steps are involved: measuring the dissimilarity between two simulatio
Jan 1, 2014
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Some Myths About DC Arc Furnaces ? SynopsisBy R. T. Jones
DC arc furnaces are widely used for steel scrap melting as well as for reductive smelting of ore fines. Industrial smelting applications include the smelting of chromite to produce ferrochromium, the
Jan 1, 2011
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IC 8822 Availability Of Critical Scrap Metals Containing Chromium In The United States - Wrought Stainless Steels And Heat-Resisting AlloysBy Charles L. Kusik
As part of an effort to establish the extent of the domestic chromium supply that could be exploited in case of adverse changes in international chromium production and trading patterns, a two-part st
Jan 1, 1980
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Classification of Roof Strata and Calculation of Powered Support Loads in Shallow Coal Seams of ChinaBy G. Song
"SynopsisAccording to the overlying rock strength and thickness of 10 shallow coal seams in China, the strata are classified into four types: weak and laminated strata (hereinafter referred to as WL),
Jan 1, 2015
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Performance of the Coal Mine Openings and Pillars in Anisotropic Stress FieldThe stability of parallel underground coal mine galleries and pillars have been investigated using two- and three-dimensional (3D) numerical stress analysis. Anisotropic horizontal in situ stresses an
Dec 6, 2010
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Recovery of Gold & Silver from Jewelry Waste by Flotation MethodBy A. Demirag, F. Burat
"The most important metals in the jewelry sector are undoubtedly gold and silver. As a result of workmanship work done in the jewelry industry, the tiny metal and jewel fragments and metallic powders
Jan 1, 2018
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IC 6891 Design And Operation Of A Four-Ton-Per-Hour Gold And Silver Ore-Sampling Plant ? IntroductionBy E. D. Gardner
During the summer of 1935 a plan was proposed by which the Government should establish custom sampling plants for gold and silver ores in the mining districts of the West, where the construction of su
Jan 1, 1936
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Methods of Haulage in Coal MinesBy W. M. G. Heeley
In the province of Alberta the coal measures dip at so many different angles, between the horizontal and the vertical, that many different systems of haulage are in use. I will, however, only touch br
Jan 1, 1925
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Mining Geology in the Coeur d'AleneBy Oscar H. Hershey
COMPLAINT has been made that in the literature of economic geology the work of the "company or practical" mining geologists does not get enough attention. I propose to attempt to overcome this com¬pla
Jan 1, 1933
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Effect Of Nanobubble On Different Particle Size Coal FlotationBy M. Fan
Froth flotation is the most widely-used method of separating fine coal, especially coal with coking properties. However, froth flotation is not efficient for treating ultrafine coal and coarse coal pa
Jan 1, 2012
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Growth of Metallic CrystalsBy Cecil H. Desch
THE progress of metallurgical practice and the demands made by the engineering industry on our foundries and mills have made the crystalline structure of metals a subject of far more than academic int
Jan 1, 1927
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IC 7847 Bibliography Of Investment And Operating Costs For Chemical And Petroleum Plants July 1954 - December 1956 ? IntroductionBy Sidney Katell
This report is the fourth in the series, Bibliography of Investment and Operating Costs for Chemical and Petroleum Plants. The initial work, Bureau of Mines In- formation Circular 7516, was published
Jan 1, 1958