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    Analysis of the flotation efficiency evaluation method
    FU Dongxu, LI Haitao, ZHANG Xiaotao, YUE Lirong
    2021, 49(4): 1-6. DOI: 10.16447/j.cnki.cpt.2021.04.001
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    Finite-element analysis of the airbag of flexible air-chamber coal jig
    CHEN Yinghua, CUI Zhe, GUO Yongchun, LI Haisheng, WANG Guanghui, KUANG Yali
    2021, 49(4): 7-12. DOI: 10.16447/j.cnki.cpt.2021.04.002
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    Experimental study on recovery of kaolinite from flotation tailings through removal of iron using flotation process
    DENG Mingrui, LIU Hongna
    2021, 49(4): 13-18. DOI: 10.16447/j.cnki.cpt.2021.04.003
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    Experimental study on reduction of moisture of flotation concentrate with hydrophobic modifying filter aid
    ZHANG Jiewen, LIU Yi, YANG Xiaohong, LIU Chunfu
    2021, 49(4): 19-23. DOI: 10.16447/j.cnki.cpt.2021.04.004
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    Study on accuracy of segmentation of images in refuse X-ray identification process
    YIN Jianqiang, ZHU Jinbo, ZENG Qiuyu, YANG Chenguang, ZHANG Yong, SHI Qinghui
    2021, 49(4): 24-29. DOI: 10.16447/j.cnki.cpt.2021.04.005
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    Study on drying characteristics of medium-grained and fine bituminous coal at low temperature
    LIU Kangxiong, GUO Fan, GUO Liangliang, XIAO Lu
    2021, 49(4): 30-33. DOI: 10.16447/j.cnki.cpt.2021.04.006
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    Application of the heavy-medium slime washing process for separation of anthracite at No.2 Mine Coal Preparation Plant
    LI Jian, QIAN Wenping
    2021, 49(4): 34-38. DOI: 10.16447/j.cnki.cpt.2021.04.007
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    Analytical interpretation of the key points involved in calculation of medium flow of 3-product heavy medium cyclone
    ZHANG Jun, WANG Hainan, MA Zhijun, LI Bingchen, XIE Dengfeng
    2021, 49(4): 39-47. DOI: 10.16447/j.cnki.cpt.2021.04.008
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    Study on rewashing of crushed middling product of heavy medium separation system and related process renovation at Xinzhuang Coal Preparation Plant
    WANG Fa, ZHAO Jiangtao
    2021, 49(4): 48-58. DOI: 10.16447/j.cnki.cpt.2021.04.009
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    Practice of renovation of the filter press system at Heilonggou Coal Preparation Plant
    LIU Jinming, SUN Jingbiao, QI Heng, ZHANG Xiaosong, ZHANG Junqiang
    2021, 49(4): 59-63. DOI: 10.16447/j.cnki.cpt.2021.04.010
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    Practice of making local optimization and technical transformation of the process system of power coal washery
    CHENG Guoli
    2021, 49(4): 64-67. DOI: 10.16447/j.cnki.cpt.2021.04.011
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    Techniques applied for comprehensive control of rise of dust in operation of the dry cleaning system and its associated equipment at Donghuantuo Coal Preparation Plant
    KE Jian
    2021, 49(4): 68-71. DOI: 10.16447/j.cnki.cpt.2021.04.012
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    Practice of renovation of coarse slime recovery system at Zhengtong Coal Preparation Plant
    LI Xiaoying
    2021, 49(4): 72-76. DOI: 10.16447/j.cnki.cpt.2021.04.013
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    Application of distributed control system in large coal preparation plant
    RONG Mei
    2021, 49(4): 77-80. DOI: 10.16447/j.cnki.cpt.2021.04.014
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    Study and design of simplified centralized control system of coal jigging plant
    LIN Guofu
    2021, 49(4): 81-85. DOI: 10.16447/j.cnki.cpt.2021.04.015
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    Real-time safety monitoring system for closed coal conveying way in coal preparation plant
    HOU Jing
    2021, 49(4): 86-90. DOI: 10.16447/j.cnki.cpt.2021.04.016
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    Design and application of the coal slime water treatment equipment networked change control system
    ZHAO Xiaohong, ZHU Shuai, YANG Chen, PENG Chen
    2021, 49(4): 91-97. DOI: 10.16447/j.cnki.cpt.2021.04.017
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