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Emprego De Carvão Mineral Do Rio Grande Do Sul Em Siderurgia - Um Precedente Bem Sucedido - PerspectivasBy Sérgio Wilibaldo Garcia Scherer
O Balanço Energético Nacional do MME informa que em 31/12/2012, o carvão mineral representa 73% dos recursos e reservas nacionais de energia fóssil. A partir de 1960 foram realizados estudos e experiê
Aug 1, 2018
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Institute of Metals Division - Re-Examination of Ti-Fe and Ti-Fe-O Phase Relations (Discussion, p. 1417)By Elmars Ence, Harold Margolin
The Ti-Fe and Ti-Fe-0 systems were re-examined because of the controversy regarding the existence of Ti2Fe, and to consider all available data points to the existence of Ti,Fe. The Ti-Fe-0 system cont
Jan 1, 1957
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RI 9120 - Numerical Prediction of Cobalt Sorption in a Continuous Ion-Exchange ColumnBy K. S. Gritton
The Bureau of Mines investigated the feasibility of numerlcally modeling the sorption of cobalt, a vulnerable strategic and critical metal, from spent copper leach solutions in a multiple-compartment
Jan 1, 1987
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Improvement of Coal and Mineral Sizing Techniques at Nippon Steel CorporationSizing is fundamental technology for each step of ironmaking process. The progress of sizing technology has greatly contributed to the development of ironmaking technology. As the purposes of ironm
Jan 1, 1984
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Design And Construction Challenges At The Gualcamayo MineBy N. Ward
The Gualcamayo Mine is located in the Andes Mountains north of San Juan, Argentina (Fig. 1). A property of Yamana Gold Inc., it declared commercial production in July 2009 and has a total mineral rese
Jan 1, 2011
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Galena Unit System UpgradingBy J. W. Breen
ASARCO Incorporated has upgraded or is in the process of upgrading the Galena mine electrical, pumping, refrigeration, compressed air, ventilation, hoisting and rockburst monitoring systems to allow c
Jan 1, 1991
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Geology of the Churchill Copper DepositBy J. M. Carr
The history, geological setting and local geology of the Magnum vein system, 100 miles west of Fort Nelson in northeastern British Columbia, are described. The system comprises a number of quartz-anke
Jan 1, 1971
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RI 8745 Relative Enthalpies of Ni3S2By M. J. Ferrante
The Bureau of Mines determined the enthalpies of Ni3S2 relative to 298.15 K to provide new thermodynamic data for advancement of mineral science and technology. Enthalpies were measured with a copper-
Jan 1, 1982
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Underground Mining: A Challenge To Established Open Pit Operations (ead87ecc-17fe-40a0-a240-81134d0e839c)By T. D. Arnold
The Barrick Bullfrog underground mine was established as an afterthought to the main open pit. As open pit ore dwindles, the underground mining becomes increasingly more important as an ore source, an
Jan 1, 1996
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Peer-Reviewed Abstracts from the 2014 Student Poster Contest"Foreword by Emily SarverAssistant professor, Mining and Minerals Engineering, Virginia Tech, Blacksburg, VAThe Mineral Processing Division hosted its fifth Student Poster Contest during the 2014 SME
Jan 1, 2015
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The Waihi GoldfieldSOME 70 miles south-east of the of Auckland lies the town of Waihi-the centre of the Waihi goldfield, at present the mining pride of New Zealand. That the glory of most mining camps is evanescent form
Jan 1, 1911
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Passive mine blast attenuators qconstructed of rock rubble for protecting ventilation seals - SME Transactions 2009By M. R. Hieb, J. R. Britt, S. P. Harteis, M. J. Sapko, E. S. Weiss, R. K. Zipf
The design requirements for mine ventilation seals have undergone a radical transformation in recent years, and these revisions have greatly increased the cost of the seal designs and their constructi
Jan 1, 2009
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RI 7111 Improved Method For Calculating Areas And Shape Factors Of Flow NetsBy R. V. Higgins
This paper describes a method and a computer program for calculating shape factors and areas of channels that turn more than 90° and conduct fluids into the backs of wells. The program represents an i
Jan 1, 1968
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Scenic Railway Tunnel Upgrade in the Blue Mountains, New South Wales – An Approach to Design and ConstructionBy A Hughes, S G. Rosin
This paper presents the design and construction approach adopted for the widening and stabilisation of the existing decline tunnel forming part of the Scenic Railway Upgrade project at Katoomba in the
Sep 17, 2014
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New York Paper - The Evolution of Drilling Rigs (with Discussion)By R. B. Woodworth
In the sinking of bore holes, there are but two fundamental operations —drilling and hoisting—which determine in the main the character of drilling mechanism and structures. There are endless ramifica
Jan 1, 1916
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The Advantages of Standardizing Radiometric Exploration Measurements, and How To Do ItBy A. G. Darnley
"IntroductionTHE PURPOSE of this paper is twofold. Firstly, to drawn attention to recommendations which have been accepted by the International Atomic Energy Agency concerning radiometric reporting me
Jan 1, 1977
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Ground Control Monitoring: A Comprehensive Guide for Mine Operators on Instrumentation and Data Acquisition Currently Used by the National Institute for Occupational Safety and Health (NIOSH) - SME Annual Meeting 2024By Todd Minoski, Matthew McElhinney, Mark Mazzella, Morgan Sears, Craig Compton
The National Institute for Occupational Safety and Health (NIOSH) is staffed with Engineers, Geologists, and Field Technicians conducting a variety of ground control research. The mission of the groun
Feb 1, 2024
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Mitigation of Accelerations on Vehicles Subjected to Buried Mine LoadingBy Jarrod Bonsmann, Zachary T. Plitt
"A surge in mine related deaths in Middle Eastern conflicts over the past few years has prompted research into the mitigation of the impact on a blast loaded vehicle. In past military conflicts, it ha
Jan 1, 2016
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Pit Backfilling - Managing Chemically Reactive Mine Wastes and Achieving Rehabilitation ObjectivesBy A A. Puhalovich
The placement of chemically reactive mine wastes in mined out pits (æpit backfillingÆ) is increasingly seen by industry as best practice to manage long-term environmental risks. This is primarily beca
Jul 10, 2012
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The 2007 Atlas Copco Scholarship BonanzaDuring the later part of 2007 I was lucky enough to visit the Atlas Copco facilities in Sweden, and to see first hand what a large and diverse company Atlas Copco is. The reason this paper calls the A
Jan 1, 2008