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  • AUSIMM
    The Determination of Silver in Lead Sulphide Concentrate by Atomic Absorption Spectroscopy

    By Greaves M. C, Amos M. D

    A study was made of the instrumentation and technique of atomic absorption spectroscopy developed by Walsh of the Commonwealth Scientific and Industrial Research Organisation (C.S.I.R.O.), Australia.T

    Jan 1, 1961

  • NIOSH
    OFR-18-73 Investigation Of Requirements And Performance Of Safety Catches On Wire-Rope-Suspended, Man-Carrying Conveyances In United States Coal Mines

    By C. H. Larsen

    The results of a comprehensive investigation of conveyance arrestment devices (safety catches) in United States coal mines are presented. Availability and use, performance, inspection, maintenance, te

    Jan 1, 1972

  • TMS
    Organic Radical Battery: Nitroxide Polymers as a Cathode-Active Material~

    By Yan Yuan

    Stable Nitroxyl polymers, such as poly (2,2,6,6-tetramenthyl-1-piperidinyloxy-4-yl methacrylate) (PTMA), are known to be effective as cathode active materials for lithium rechargeable betteries.The ni

    Jan 1, 2009

  • SAIMM
    Statistics or geostatistics? Sampling error or nugget effect? - Synopsis

    What is a nugget effect? In the early development of geostatistics, the term ?nugget effect? was coined for the apparent discontinuity at the beginning of many semivariogram graphs. This name was chos

    Jan 1, 2010

  • SME
    Kinetic And Equilibrium Effects In Gold Ore Cyanidation

    By M. I. Brittan

    Cyanide leaching of two West African gold ores was studied in multiple laboratories to provide process-engineering data for plant design purposes. Unusually slow leach extraction kinetics were observe

    Jan 1, 2008

  • CIM
    Bench-scale simulation of flotation plant performance

    By Stratton-Crawley R., G. E. Agar

    "A study has been done of the scale-up of laboratory bench-scale flotation to continuous plant circuit performance. It was found that the impellor speed and the air flow rate influenced the results an

    Jan 1, 1982

  • CIM
    Failure Mechanisms in Thermo-Mechanical Fatigue of DS Superalloy Rene 80

    By E. O. Abrokwah

    Directionally solidified (DS) Rene 80 Superalloy was tested in thermo-mechanical fatigue (TMF) over the temperature range 500-900°C and plastic strain levels from 0.2 to 0.8% using a DSI Gleeble therm

    Jan 1, 2011

  • NIOSH
    OFR-21-79 A Search Process To Locate An Underground Coal Mine To Participate In The Development Of A Labor Management Experiment In Socio-Technical Innovations

    By Eric L. Trist

    The objective of this contract was to review the results of the Rushton Mining experiment in work organization and design, to explore the extension of knowledge gained from Rushton to other undergroun

    Jan 1, 1978

  • SAIMM
    A Set Of Indices Based On Indentation Tests For Assessment Of Rock Cutting Performance And Rock Properties

    By H. Copur

    Experimental studies for quantification of force and brittleness indices relevant to rock cutting performance are presented. A simple interpretation method is developed, which quantifies the force-pen

    Jan 1, 2003

  • CIM
    The real costs of lubrication

    By R. Melley, P. Wissner

    The paper looks at the basic theory of tri-bological wear and the role played by the lubricant and its additives. It presents the argument that the “real cost of lubrication” is not the purchase price

    Jan 1, 1997

  • AIME
    Importance of Stone in Industry

    By Oliver Bowles

    ROCK is no doubt the most abundant of all material things because the planet on which we live is made of it. All animal and vegetable organisms and the multitude of natural and manufactured products t

    Jan 1, 1934

  • AUSIMM
    Processing of Japan Earth Resources-1 Synthetic Aperture Radar data to aid geological mapping in the Central Coromandel Peninsula

    By A B. Christie

    Space-based synthetic aperture radar (SAR) data is becoming available over much of the world, includingNew Zealand. Radar imagery has a number of very advantageous features, including all-weather capa

    Jan 1, 1994

  • NIOSH
    RI 2910 Potash From New Jersey Greensand Preliminary Report

    By J. R. Thoenen

    "The curtailment of imports of foreign potash during the World War directed attention to the necessity of establishing a domestic source of potash for fertilizer, and considerable study has been given

    Feb 1, 1929

  • AIME
    Coal - Some Geological Factors Affecting the Upper Freeport Coal and Its Quality

    By E. F. Koppe

    The Upper Freeport coal in the Freeport and New Kensington quadrangles, Pennsylvania, varies from a bony streak to a thick coal deposit often exceeding ninety inches, the "Double" or "Thick Freeport".

    Jan 1, 1961

  • NIOSH
    Electromagnetic Detection Of Trapped Miners - A Report On 94 Field Tests Using Narrowband EM Transmitters To Locate Trapped Miners

    By J. Durkin

    The Bureau of Mines has conducted field studies in coal mines throughout the United States to determine the effectiveness of electromagnetic techniques in locating miners trapped underground following

  • NIOSH
    OFR-15(2)-78 Evaluation Of The Application Of Repetitive Fuel/Air Explosions To Rock Ripping - Final Report - Phase II

    By John W. Colburn

    A tractor-integrated version of an explosive ripping system was developed for mining application. This system utilizes diesel fuel and a tractor-mounted blower supplying 30 psig compressed air to a tw

    Jan 1, 1977

  • NIOSH
    IC 7871 Lode-Tin Mining At Lost River, Seward Peninsula, Alaska ? Summary

    By S. H. Lorain

    Tin mining on Seward Peninsula, Alaska, has been intermittently active since the early 1900's. Most of the recorded production (over 2,200 short tons of metallic tin) has been obtained from place

    Jan 1, 1958

  • IOM3
    Tungsten (1011acf0-5ac1-48f0-902f-65e9673a0224)

    By A. Ploszajski

    This item examines the history and uses of tungsten, from discovery to superalloys via the lightbulb and electron beam instruments.

    Apr 1, 2015

  • SME
    Industrial Minerals Review 2011

    Editor?s note: Each year, the June issue of Mining Engineering features an industrial minerals review. Several people put in a fair amount of time in developing the material for this issue, all the

    Jan 1, 2012

  • NIOSH
    OFR-113G-93 Coal Mine Injury Analysis: A Model For Reduction Through Training - Volume VIII - Accident Risk During The Roof Bolting Cycle: Analysis Of Problems And Potential Solutions

    By Michael J. Klishis

    West Virginia University researchers examined risk and exposure in the roof bolter operator's job and developed approaches for preventing accidents and for evaluating system and human performance

    Jan 1, 1993