Contest for the advancement of mechanical coal extraction in Ruhr mining

被引：0
作者：
不详
机构：
来源：
ZEITSCHRIFT DES VEREINES DEUTSCHER INGENIEURE | 1940年 / 84卷
关键词：
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
引用
收藏
页码：952 / 952
页数：1
相关论文
共 50 条
  • [41] THE EXTRACTION SAFETY FACTOR CONCEPT IN HIGH-EXTRACTION COAL-MINING
    VANDERMERWE, JN
    [J]. JOURNAL OF THE SOUTH AFRICAN INSTITUTE OF MINING AND METALLURGY, 1990, 90 (11): : 303 - 306
  • [42] PROBLEMS IN EXECUTING COAL FLEXIBILITY LAWS AND RUHR COAL COMPANIES
    不详
    [J]. ERDOL UND KOHLE ERDGAS PETROCHEMIE, 1969, 22 (05): : 301 - &
  • [43] Influence of different mining layouts on the mechanical properties of coal
    Xie Heping
    Zhao Xiaoping
    Liu Jianfeng
    Zhang Ru
    Xue Dongjie
    [J]. INTERNATIONAL JOURNAL OF MINING SCIENCE AND TECHNOLOGY, 2012, 22 (06) : 749 - 755
  • [44] Pervomaisky Electrical and Mechanical plant - for coal mining industry
    Zakharchenko, P.I.
    [J]. Ugol', 2001, (04): : 45 - 54
  • [45] Mechanical Analysis of Coal Pillar Stability in Strip Mining
    Yang Jing
    Liu Ning
    Mao Xianbiao
    [J]. PROGRESS IN SAFETY SCIENCE AND TECHNOLOGY, VOL VII, PTS A AND B, 2008, 7 : 1680 - 1683
  • [46] Influence of different mining layouts on the mechanical properties of coal
    Xie Heping
    Zhao Xiaoping
    Liu Jianfeng
    Zhang Ru
    Xue Dongjie
    [J]. International Journal of Mining Science and Technology, 2012, 22 (06) : 749 - 755
  • [47] INFLUENCE OF THE NORTHERN MIGRATION OF THE RUHR COAL-MINING INDUSTRY ON THE INDUSTRIAL STRUCTURE AND ON WATERWAY TRANSPORT - GERMAN - SCHMITZ,A
    MORGENROTH, K
    [J]. JAHRBUCHER FUR NATIONALOKONOMIE UND STATISTIK, 1969, 182 (4-5): : 463 - 464
  • [48] Effect of protective coal seam mining and gas extraction on gas transport in a coal seam
    Yao Banghua
    Ma Qingqing
    Wei Jianping
    Ma Jianhong
    Cai Donglin
    [J]. InternationalJournalofMiningScienceandTechnology, 2016, 26 (04) : 637 - 643
  • [49] Effect of protective coal seam mining and gas extraction on gas transport in a coal seam
    Yao Banghua
    Ma Qingqing
    Wei Jianping
    Ma Jianhong
    Cai Donglin
    [J]. INTERNATIONAL JOURNAL OF MINING SCIENCE AND TECHNOLOGY, 2016, 26 (04) : 637 - 643
  • [50] Extraction and Characterization of Humic Acid Based on Coal Mining Waste
    Nazarbek, Ulzhalgas
    Abdurazova, Perizat
    Raiymbekov, Yerkebulan
    [J]. CHEMICAL ENGINEERING & TECHNOLOGY, 2022, 45 (06) : 1133 - 1140
12345