Showing 161 - 180 results of 18,135 for search '"coal"', query time: 0.13s Refine Results
  1. 161

    Automatic control system of top coal caving on fully-mechanized coal mining face by WEI Wenya

    Published 2015-07-01
    Subjects: “…fully-mechanized coal mining face…”
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    Article
  2. 162
  3. 163

    REMOVAL OF Cr(VI) FROM AQUEOUS SOLUTION BY ACTIVATED COAL FROM LIGNITE COAL by Mehmet MAHRAMANLIOĞLU, İrfan KIZILCIKLI, Özge ÖZGEN

    Published 2001-03-01
    “…Activated coal produced from Ağaçlı Lignite coal was used to remove Cr(VI) from aqueous solutions. …”
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    Article
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  6. 166

    Residual hydrocarbons of coal and evaluation of their role in development of fire and explosion emergencies in coal mines by V. S. Lebedev, O. V. Scopinseva, I. E. Stukalova

    Published 2016-10-01
    “…The paper presents the results of study of the residual hydrocarbons of coal, from brown coals to anthracites. Extraction of the residual hydrocarbons was performed at 200 °С. …”
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    Article
  7. 167

    Status and directions of improvement of development systems of coal seams on perspective Kuzbass coal mines by V. P. Zubov

    Published 2017-06-01
    “…The article presents the results of the analysis of the Russian coal mines experience in using the variant of the long-pillar development system with the abandonment of coal pillars in the mined out areas of longwall faces. …”
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    Article
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    NUMERICAL SIMULATION OF COAL BREAKING PROCESS OF SPIRAL DRUM UNDER COMPLEX COAL SEAM by ZHAO LiJuan, WANG JianYong, ZHOU WenChao, TIAN Zhen, LIU HongMei, JIA DeYu

    Published 2018-01-01
    “…Using ANSYS/ls-dyna software to establish the complex coal seam under the condition of the spiral drum coupling model of coal and rock,different position of a cut and dirt band containing inclusions spiral drum impact load distribution and the shape of coal and rock deformation; the time history curves of the stress and strain of the alloy head and the tooth body are obtained by the dynamic analysis of the cutting teeth,and the stress distribution law of the cutting teeth in the working process was found out. …”
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  12. 172
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    Developing sub-bituminous coal sintering ratio for predicting coal ash slagging factors by Samsudin, Salmi, Abdul Aziz, Nuraini, Hairuddin, Abdul Aziz, Masuri, Siti Ujila

    Published 2021
    “…Fossil fuels such as coal, gas, and distillate are the core fuels for thermal plants. …”
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    Article
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    Emerging clean coal technologies/

    Published 1986
    Subjects: “…Coal…”
  18. 178

    Coal : the other energy [kasetvideo]

    Published 1978
    Subjects: “…Coal mines and mining…”
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