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  • IMPC
    Mössbauer Investigation on the Formation of Fe-containing Minerals in Coal during Gasification

    By F. B. Waanders

    Coal, as energy resource, possesses numerous characteristics and properties which all have an influence on its gasification behaviour. The two properties considered as critically important when evalua

    Jan 1, 2014

  • 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

  • SME
    Foamed Grout Controls Underground Coal-Mine Fire

    By Joseph J. Feiler

    Fires in underground coal mines are persistent problems anywhere in the world that coal is mined. Coal fires pose safety and health hazards in the form of mine subsidence, loss of energy reserves, de

    Jan 1, 2000

  • AIME
    Mining - Mechanics of Rock Slopes

    By D. H. Trollope

    In engineering in general, close agreement between theoretical predictions and structural performance is rare—this is particularly true in rock slopes. Since the complexity of natural arrangements mak

    Jan 1, 1961

  • AUSIMM
    Machine Monitoring and Automation as Enablers of Lean Mining

    By L Mottola

    Three decades ago mining companies, principally in North America, aided by machine and explosive manufacturers, started significant attempts to develop and implement automated mining systems, mainly u

    Nov 22, 2011

  • NIOSH
    IC 7213 Dredging Pennsylvania Anthracite ? Foreword

    By Joseph A. Corgan

    The river- or dredge-coal industry of Pennsylvania is conducted on many of the rivers and creeks that drain the Pennsylvania anthracite fields. Coal thus recovered found its way into the streams as co

    Jan 1, 1942

  • AUSIMM
    Permian and Mesozoic Tectonic and Structural Events in the Bowen and Surat Basins and New England Orogen, Southwest Pacific Rim

    By J M. Totterdell

    The Permian-Triassic Bowen Basin and the Jurassic-Cretaceous Surat Basin evolved in a backarc tectonic setting behind an active convergent plate margin in eastern Gondwana. Several extensional (Early

    Jan 1, 1995

  • ABM
    Influence Of Metallic And Eaf Type On Specific Consumtions And Productivity

    By Jorge Madias

    O trabalho está baseado na análise de dados de perto de 200 fornos elétricos a arco de diferente design: convencional, de corrente contínua, de carcaças gémeas, com preaquecimento de sucata no transpo

    Oct 30, 2017

  • NIOSH
    OFR-54-81 Improving Surface Coal Refuse Disposal Site Inspections

    By R. A. Meister

    The study on improving surface coat refuse disposal site inspections included surface inspections of 15 refuse disposal sites. Monthly aerial photos were taken of the sites and computer methods were u

    Jan 1, 1980

  • NIOSH
    1978 Raw Nonfuel Mineral Production

    The value of raw nonfuel mineral materials production totaled an estimated $19.7 billion in 1978. The record 1978 value exceeded by 13 percent the 1977 value of $17.5 billion. This raw mineral output

    Jan 1, 1979

  • AUSIMM
    The Hellyer Mine - Feasibility to Production with Confidence

    For its Hellyer project, Aberfoyle sought to establish a high degree of confidence in all aspects of the feasibility study. Accurate capital and operating cost estimates were an integral and essenti

    Jan 1, 1990

  • NIOSH
    RI 9676 - Explosion Effects on Mine Ventilation Stoppings

    By Eric S. Weiss

    The National Institute for Occupational Safety and Health (NIOSH) and the Mine Safety and Health Administration (MSHA) conducted joint research to evaluate explosion blast effects on typical U.S. mine

    Jan 1, 2008

  • AUSIMM
    Prospecting for Fine Gold Using a Paper Chromatographic Method

    By Lever R. R

    The paper discusses assay methods generally used when prospecting for gold, and also the applicability of various chemical methods, it describes a new paper chromatographic technique.for making fairly

    Jan 1, 1959

  • SME
    Selective-Reductive Leaching of Manganese from Low-Grade Manganese Ore Using Tannic Acid as Reductant Mining, Metallurgy and Exploration (eba8cc62-7158-4f14-935d-253bd3b1dc96)

    By Eti Purwaningsih, Widi Astuti, Erik Prasetyo

    Selective-reductive leaching of manganese from low-grade manganese ore using tannic acid as a reductant in acidic media was demonstrated by XRD, SEM-EDX characterization, and batch leaching studies at

  • SME
    Selective-Reductive Leaching of Manganese from Low-Grade Manganese Ore Using Tannic Acid as Reductant Mining, Metallurgy and Exploration

    By Eti Purwaningsih, Widi Astuti, Erik Prasetyo

    Selective-reductive leaching of manganese from low-grade manganese ore using tannic acid as a reductant in acidic media was demonstrated by XRD, SEM-EDX characterization, and batch leaching studies at

  • CIM
    Transporteur Multi-Fonctionnel Pour Forage

    By Marcel Labbé

    La largeur de l?armature peut être modifiée selon les besoins du client entre 48 " et 64" de largeur totale, donc 2 sections de 24" à 32". Ceci permet à l?opérateur d?effectuer le démantèlement de l?é

    May 1, 2001

  • AUSIMM
    Evolution of the concept of the liberation factor and a surprising new result

    By D François-Bongarçon

    After a review of the progresses made on the liberation factor theory since its inception by Gy (1982), a new and surprising result of great practical importance is presented: the liberation factor. F

    May 9, 2017

  • NIOSH
    OFR-3(1)-75 Design And Development Of Protective Canopies For Underground Low Coal Electric Face Equipment, Including Shuttle Cars

    By R. Farrar

    Protective canopies for conventional electric face equipment, including shuttle cars, operating in low coal (less than 48 inches) were designed, fabricated, installed and evaluated on in-mine machines

    Jan 1, 2012

  • AUSIMM
    Prediction of Near-Field Rock Damage Due to Production Blasting in Limestone Quarries, Japan

    This paper presents the near-field rock damage owing to production blasting in limestone quarry in the western region of Japan. The study's purpose is to learn the mechanism of crack development

    Dec 6, 2010

  • SME-ICGCM
    Subsidence monitoring at a shallow partial extraction room-and-pillar mine in midwestem United State

    By Yoginder P. Chugh

    Subsidence may be observed above partial extraction shallow room-and-pillar mines where the coal seam(s) is associated with weak and thick claystone in the floor. This paper presents results of subsid

    Jan 1, 1989