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  • ABM
    Recuperação Dos Metais Dos Cementos

    By Sérgio de Azevedo Penchel Júnior

    A Votorantim Metais possui dois Smelters de Zn situados no estado de Minas Gerais, Brasil, um na cidade de Três Marias e outro na cidade de Juiz de Fora. A unidade de Juiz de Fora tem se caracterizado

    Aug 17, 2017

  • NIOSH
    Pollutant Levels in Underground Coal Mines Using Diesel Equipment (2f931383-ec7b-46a4-bb83-cfddedd0176a)

    By Jr. Watts, B. K. Cantrell, D. H. Carlson, K. L. Rubow

    "The use of diesel equipment in underground coal mines is controversial because ""whole diesel exhaust"" is regarded as ""a potential occupational carcinogen"" by the National Institute for Occupation

    Mar 1, 1992

  • NIOSH
    IC 9346 Numod And Nutsa: Software For Interactive Acquisition And Analysis Of Time Domain Reflectometry Measurements

    By Fei-chiu Huang

    The principle of time domain reflectometry (TDR) is being used by the U.S. Bureau of Mines to monitor strata displacements induced by mining. The Northwestern University TDR Signature Analysis (NVTSA)

    Jan 1, 1993

  • AUSIMM
    Investigating the Influence of Meso-2,3-Dimercaptosuccinic Acid on Thiosulfate Leaching of Bulk Gold Electrodes

    By M Uceda, E Guerra, Y Choi, J L. Shepherd

    In this paper we describe the leaching characteristics of pure gold in thiosulfate solutions that contain a known chelator; meso-2,3-dimercaptosuccinic acid (DMSA). The interfacial and chemical charac

    Sep 26, 2013

  • ABM
    Influência Das Matérias-primas Ferrosas Na Operação Dos Altos Fornos Da Tkcsa

    By André Wulff Hirano

    A operação estável de um Alto Forno com alta produtividade e baixo consumo de combustíveis, dependente significantemente das matérias-primas ferrosas utilizadas. Diante do cenário cada vez mais desafi

    Aug 17, 2017

  • CIM
    Variations in the Chemical Composition of the Oil and Gas Bearing Limestone at the Sioux City Well, Turner Valley, Alberta

    By W. P. Campbell

    THE investigation herein described had its beginning in the chemical laboratory of the Department of the Interior, Calgary. After the transfer of the natural resources to the Province of Alberta in 19

    Jan 1, 1937

  • SME
    Coal Review

    By William Watson

    Coal production in the United States in 2010 increased to a level of 960 Mt (1,085.3 million st), according to preliminary data from the U.S. Energy Information Administration (EIA), an increase of 1

    Jan 1, 2011

  • ABM
    Estudo Da Influência Da Temperatura Do Eletrodo Na Qualidade Da Solda Para A União De Chapas No Processo De Soldagem Por Resistência Elétrica (Rsw)

    By Gabriel Mendes de Almeida Carvalho

    O processo de soldagem de pontos por resistência elétrica é uma técnica econômica e adequada para a união de chapas, pela alta velocidade e adaptabilidade, torna-se um método amplamente difundido para

    Aug 17, 2017

  • NIOSH
    RI 8999 - Hydrochloric Acid-Oxygen Leaching and Metal Recovery From a Copper-Nickel Bulk Sulfide Concentrate

    By G. A. Smyres

    The Bureau of Mines investigated a HCI-02 leaching procedure to recover Cu, Ni, and Co from a low-grade bulk sulfide flotation concentrate prepared from the Duluth gabbro complex. Since the Duluth gab

    Jan 1, 1985

  • ABM
    Revisão De Modelagem De Misturas De Carvão Para Predição De Qualidade Do Coque

    By Mariano de Córdova

    A operação dos altos-fornos com injeção de carvão pulverizado ou gás natural requer uma alta qualidade do coque. Para um custo mínimo do coque, mantendo a qualidade necessária, a escolha de carvões e

    Aug 17, 2017

  • SME
    Use Of Coal Cleaning To Reduce Air Toxics

    By D. Akers

    Many of the trace elements found in coal are associated with mineral matter, making it possible to remove them by physical coal cleaning. As part of work funded by the Electric Power Research Institut

    Jan 1, 1992

  • AIME
    Open-Hearth Committee Meeting

    By AIME AIME

    THE second meeting of 'the Open-Hearth Committee, 'sub-division of the Iron and Steel Committee of this Institute, was held at the Hotel Cleveland, Cleveland, Ohio; on Oct. 13-15. On Oct:

    Jan 1, 1925

  • NIOSH
    RI 5820 Aluminum Fluoride From Wet Hydrogen Fluoride Offgas ? Summary

    By Robert K. Koch

    The reactions of alumina and alumina monohydrate with wet hydrogen fluoride gas were studied by the Federal Bureau of Mines to determine the feasibility of producing commercial-grade aluminum fluoride

    Jan 1, 1961

  • AIME
    Part VI – June 1968 - Papers - Effects of Static Compressive Loading on the Internal Friction of LiF

    By O. P. Quist, S. H. Carpenter

    The internal friction of single-crystal LiF has been investigated as a function of crystal orientation, while simultaneously applying a static compressive load. Three different crystal orientations we

    Jan 1, 1969

  • SME
    The Double Thickener Circuit At Gold Fields -Chimney Creek

    By J. G. Mansanti

    The metallurgical response of a deposit's various ore types usually has a strong impact on the flowsheet design of most mineral processing plants. This impacts the materials handling, equipment s

    Jan 1, 1988

  • NIOSH
    IC 6456 Zirconium. II. Domestic and Foreign Deposits

    By E. P. Youngman

    Zirconium, formerly distinctly a rare element, is rapidly becom- ing of rather extensive commercial importance. Economic features of the zirconium industry, together with general information regarding

    Jun 1, 1931

  • SME
    Predictive Modelling of CART‑Based Frictional Resistance in Mine Ventilation Systems

    By Yucheng Li, De Huang, Yonghong Liu

    Mine frictional resistance is one of the essential parameters of mine ventilation systems, and it is of considerable significance for the prevention and control of mine risks and accident hazards. Fri

    Jan 28, 2022

  • IMPC
    Preparation of Direct Reduced Iron Powder and Ti-V-Rich Material from Vanadium Titanomagnetite Concentrate by Reduction-Magnetic Separation

    By Fuqiang Zheng, Shuai Wang, Feng Chen, Yufeng Guo, Guanzhou Qiu, Tao Jiang

    "The direct reduced iron powder and Ti-V-rich material was prepared from vanadium titanomagnetite concentrate by solid-state reduction-magnetic separation. The result indicated that under the studied

    Jan 1, 2018

  • NIOSH
    RI 8182 Powder Metallurgy of Raney Nickel

    By Stephen A. Hare, O&apos

    Powder metallurgy processing of commercial Raney nickel powders was examined. The typical angular particle shape, in conjuction with aluminum present in a eutectic phase, facilitated interlocking lead

    Jan 1, 1976

  • SME
    Barite - The Frustration Of Long Range Planning

    By Robert E. Jones

    The barite industry shares with its associates in the minerals industry the impediments of excessive federal and state regulations. We have learned to exist with the Organic Act of 1976, the Mine Safe

    Jan 1, 1983