Volume 65, Issue 9, September 2017

Articles

• Study on the Critical Value of Gas Content in Regional Prediction of Coal and Gas Outburst Based on Gas Adsorption and Desorption Experiment

  Liang Chen, Shaowu Fan, Jianhang Guo, Xiaokai Xu, Lang Zhang

  473-478

  Keywords:

  Coal and Gas Outburst, Critical Value of Gas Content, Gas Adsorption-desorption Experiment, Basic Gas Parameters, Deformed Coal.

  DOI:

  https://doi.org/10.18311/jmmf/2017/26973

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• Evaluation Research on the Circular Economy Efficiency of the Coal Industry Based on Dea Model

  Dongfeng Yi

  479-484

  Keywords:

  Coal Industry, Circular Economy, DEA Model, Efficiency Evaluation.

  DOI:

  https://doi.org/10.18311/jmmf/2017/26974

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• Pelletisation in Indian Context – Need of the Hour

  Nirlipta P. Nayak, B. K. Pal

  485-489

  Keywords:

  Iron, Steel, Sinter, Pellet, Pelletisation.

  DOI:

  https://doi.org/10.18311/jmmf/2017/26975

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• Design of Underhand Cut and Fill Method for Extraction of Friable Chromite Ore Left in Open Pit Benches

  Dinesh Kumar, Priydarshi Hem, Aman Kumar, Ravindra Kumar Gupta, U. K. Singh

  490-495

  Keywords:

  Chromite Ore, Friable and Weak, Underhand Cut and Fill (UCF), Cemented Rock Fill (CRF), Economic Analysis.

  DOI:

  https://doi.org/10.18311/jmmf/2017/26976

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• A New Type of Multi-layer Metal Composite Materials for Preventing Impact and Absorbing Energy in Hot Forming and its Application

  Pingping Sun

  496-502

  Keywords:

  Hot Forming, Metal Composite Materials, Microstructure, Impact Force, Energy Absorption.

  DOI:

  https://doi.org/10.18311/jmmf/2017/26977

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• Influence and Control Effect of Drawing Speed on Mining-Induced Fractures "O” form Circle's Fully Mechanized Surface

  Ke Fang, Wanlong Huang, Chunjie Song, Song Hu

  503-508

  Keywords:

  Mining-Induced Fractures "O” Form Circle, Drawing Speed, High Drilling, Gas Drainage.

  DOI:

  https://doi.org/10.18311/jmmf/2017/26978

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• Distribution of Iron Oxide in Different Size Fractions of Kusmunda Coals, Korba Coalfield

  Manjula Sharaff, Sharad K. Vajpaia, Kiran Vajpai

  509-514

  Keywords:

  Ash Constituents, Iron Oxide.

  DOI:

  https://doi.org/10.18311/jmmf/2017/26979

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  Abstract views: 0