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  • SME
    Gas Monitor Simulator Development And Mine Rescue Contest Field Trials

    By D. W. Alexander

    Researchers from the Office of Mine Safety and Health Research (OMSHR) of the National Institute for Occupational Safety and Health (NIOSH) completed field trials during coal mine rescue contests usin

    Jan 1, 2011

  • SME
    Heap Leach Production Modeling: a Spreadsheet-Based Technique Mining, Metallurgy and Exploration

    By John Marsden, Mike Botz

    A variety of modeling techniques can be utilized to forecast metal production at heap leaching operations. These approaches reflect a wide range of complexity, flexibility, time to implement, cost, an

  • SME
    Heap Leach Production Modeling: a Spreadsheet-Based Technique Mining, Metallurgy and Exploration (d0b07872-d76a-4d2f-9138-be0ecd526747)

    By John Marsden, Mike Botz

    A variety of modeling techniques can be utilized to forecast metal production at heap leaching operations. These approaches reflect a wide range of complexity, flexibility, time to implement, cost, an

  • SME
    Heap Leach Production Modeling: a Spreadsheet-Based Technique

    By John Marsden, Mike Botz

    A variety of modeling techniques can be utilized to forecast metal production at heap leaching operations. These approaches reflect a wide range of complexity, flexibility, time to implement, cost, an

    Sep 3, 2019

  • SME
    Leaching Process and Mechanism of Weathered Crust Elution-Deposited Rare Earth Ore Mining, Metallurgy and Exploration

    By Zhigao Xu, Ming Wu, Jun Qu, Rong Zhang, Wenrui Nie, Ruan Chi, Zhenyue Zhang, Zhengyan He

    The leaching processes and mechanisms of weathered crust elution-deposited rare earth (RE) ores with ammonium sulfate were investigated for their high efficiency and low consumption exploitation. The

  • SME
    Leaching Process and Mechanism of Weathered Crust Elution-Deposited Rare Earth Ore Mining, Metallurgy and Exploration (a7b06571-a8d3-42ef-a017-d7b434b4427d)

    By Zhigao Xu, Ming Wu, Jun Qu, Rong Zhang, Wenrui Nie, Ruan Chi, Zhenyue Zhang, Zhengyan He

    The leaching processes and mechanisms of weathered crust elution-deposited rare earth (RE) ores with ammonium sulfate were investigated for their high efficiency and low consumption exploitation. The

  • SME
    Prediction of Ground Vibration Induced Due to Single Hole Blast Using Explicit Dynamics Mining, Metallurgy and Exploration (5745d634-e632-4178-ad6f-441932595fe2)

    By R. K. Sinha, B. S. Choudhary, Desh Deepak, A. K. Mishra, Hemant Agrawal, Shankar Kumar

    There are several methods (empirical, statistical, and machine learning tools) to calculate blast-induced ground vibration. Still, due to complications in the blasting procedure, under varying blastin

  • SME
    Update On Refuge Alternatives: Research, Recommendations, And Underground Deployment - Preprint 09-013

    By E. R. Bauer

    In response to the mandates in the MINER Act of 2006, NIOSH conducted refuge alternatives research that included characterizing the utility, practicality and survivability of refuge chambers and outby

    Jan 1, 2009

  • SME
    Session 5: Assessment Of Health Risk Associated With Exposure To Nonasbestiform Amphiboles Including Ingestion Studies: Rapporteus?s Report

    Paper 1: Risk of gastrointestinal cancers from inhalation and ingestion of asbestos, John F. Gamble Selikoff suggested the hypothesis that asbestos exposure is causally associated with increased

    Jan 1, 2007

  • SME
    The As-Built Geotechnical Report: Its Use For Design Of Support For Three Rock Stations Washington, D.C. Metro

    By Carl G. Bock

    INTRODUCTION The Washington Metropolitan Area Transit Authority (WMATA) has let a contract for the excavation of three rock stations, spaced about 3550' (1082m) apart, beneath Connecticut Aven

    Jan 1, 1976

  • SME
    AFM Pull-off Force Measurements with Polystyrene (Deformable) Colloidal Probes

    By Elvin R. Beach, Jaroslaw Drelich

    Pull-off forces were measured for 8-9 pm diameter polystyrene (PSI particles on smooth spin- coated polystyrene films and hexadecanethiol (HDT) self-assemble monolayer surfaces using atomic force micr

    Jan 1, 2003

  • SME
    Environmental Impacts of Deep Sea Mining: Predictive Assessment Methods

    By Diane Jones, Jeremy Spearman, Tom Matthewson

    Requirements for minerals are on the increase globally and the deep sea offers a potential source of essential materials. Extracting these minerals from what is considered an environmentally sensitive

    Sep 1, 2014

  • SME
    Health and Safety

    By L. S. Hansen

    Organized efforts toward the prevention of injuries and occupational diseases have been of comparatively recent origin in the mining industry, dating generally from the beginning of this century. Mini

    Jan 1, 1973

  • SME
    The Effect of Particles on Surface Tension and Flotation Froth Stability Mining, Metallurgy and Exploration

    It is widely accepted that particles stabilise flotation froths and that stable froths result in improved flotation performance. Predicting the effect of particle addition on froth stability is, howev

  • SME
    Analysis of Fall-Related Imminent Danger Orders in the Metal/Nonmetal Mining Sector Mining, Metallurgy and Exploration

    By Mahiyar Nasarwanji, Jonathan K. Hrica, Jonisha P. Pollard, Lydia M. Kocher, Brianna M. Eiter

    Within the metal/nonmetal mining sector, fall-related incidents account for a large proportion of fatal and non-fatal injuries. However, the events and contributing factors leading up to these inciden

  • SME
    Equipment adds efficiency, safety to cross passage work

    From a vast army of workers to gargantuan machines to immense volumes of material being moved, almost everything about the Port of Miami Tunnel (POMT) project points to tunneling on a massive scale. A

    Sep 1, 2013

  • SME
    Solvent Extraction Separation of La, Sm and Dy from Sulfate-Phosphate Medium by CYANEX 272 in Kerosene Mining, Metallurgy and Exploration (25516173-62bf-4622-baf5-f08eb2deecf6)

    By I. M. Ahmed, R. S. Hassan, M. I. Aly

    Extraction and separation of La, Sm and Dy ions from acidic sulfate-phosphate solutions was investigated using a cation exchange extractant, bis(2,4,4-trimethylpentyl) phosphinic acid, CYANEX 272, in

  • SME
    Barrick?s Zaldivar Mine Gets A Dome Cover Over Its Stockpile

    The Barrick Zaldivar mine is an openpit, heap-leach copper mine in Region II of northern Chile at an elevation of 3,300 m (10,826 ft), approximately 1,400 km (870 miles) north of Santiago and 175 km (

    Jan 1, 2009

  • SME
    Mining Matters At National Western Mining Conference

    With unprecedented worldwide growth and increasing global demand for energy expected to swell by 60 per-cent in the next two decades, mining matters as much now, if not more, than it ever has. This w

    Jan 1, 2008

  • SME
    Cost Estimating Standards For International Reporting Of Ore Reserves: What Are They? What Should They Be?

    By O. Schumacher

    Guidelines for publication of information defining the amount and grade of resource material available in a deposit are well established in Australasia?s JORC Guidelines, Canada?s National Instrument

    Feb 27, 2013