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  1. 无线射频瓦斯传感器研究

  2. View of the current coal mine gas sensors can not be easily fixed with the mining face advance and track the progress and not Easily in the narrow lanes of gas monitoring points layout of the issue, the article presents a radio-based communications
  3. 所属分类:其它

    • 发布日期:2010-01-04
    • 文件大小:474112
    • 提供者:basic000
  1. SBAS-INSAR coal-mining

  2. SBAS技术监测矿区,新的方法与技术应用。
  3. 所属分类:教育

    • 发布日期:2014-11-19
    • 文件大小:1048576
    • 提供者:zxd366zxd
  1. Predicting mining collapse: Superjerks and the appearance

  2. Predicting mining collapse: Superjerks and the appearance of record-breaking events in coal as collapse precursors
  3. 所属分类:教育

    • 发布日期:2018-05-31
    • 文件大小:669696
    • 提供者:cq32484
  1. Adaptable Conditions Classification of Water Protection Mining Technology for Shallow Coal Seam with Thin Bedrock

  2. 薄基岩浅埋煤层长壁保水开采技术适用条件分类研究,马立强,张东升,在采用UDEC对薄基岩浅埋煤层导水裂隙进行分析计算的基础上,回归得出了其预计高度公式。同时,根据浅埋煤系基岩岩性组成及其风化�
  3. 所属分类:其它

    • 发布日期:2020-03-04
    • 文件大小:210944
    • 提供者:weixin_38605967
  1. Dynamic monitoring and behave law of mine pressure with deep mining in the 8th mine of Pingdingshan coal group

  2. 平煤八矿深部开采矿压动态监测及显现规律研究,苗胜军,,随着煤炭资源开发向深部发展,巷道变形、冲击矿压等安全问题日趋严重,必须采用多种技术与方法对矿压显现规律进行动态监测与研究
  3. 所属分类:其它

    • 发布日期:2020-02-25
    • 文件大小:256000
    • 提供者:weixin_38686658
  1. Coagulation and Membrane Filtration in Coal Mining Water Treatment and Reclamation

  2. 混凝-滤膜分离技术在矿井水处理与回收中的研究,王学民,WANG Jian,:采用混凝-滤膜分离组合工艺对含悬浮物矿井水进行处理,考察了滤膜操作特性的变化对膜过滤性能的影响及该工艺对含悬浮物矿井水的�
  3. 所属分类:其它

    • 发布日期:2020-02-04
    • 文件大小:227328
    • 提供者:weixin_38674415
  1. Fretting Corrosion Wear of Hoisting Rope of Coal Mining in Alkaline Solution

  2. 钢丝绳在矿井碱性环境条件下的微动腐蚀磨损研究,曹守范,刘洪涛,钢丝绳因其优异的弯曲性和承载能力已经在很多领域得到了广泛地应用。在中国,采矿行业所用到的钢丝绳几乎占了钢丝绳总用量的一半
  3. 所属分类:其它

    • 发布日期:2020-01-08
    • 文件大小:1048576
    • 提供者:weixin_38609732
  1. Numerical Simulation of Water Inrush Channel with UDEC Under Coal Mining Conditions

  2. UDEC模拟采动覆岩突水通道,马立强,张东升,采场突水是一种带来人员极大伤亡的安全事故。为从根本上研究煤层开采过工程中因顶板冒落、放顶垮落造成的顶板突水通道的变化规律
  3. 所属分类:其它

    • 发布日期:2019-12-30
    • 文件大小:190464
    • 提供者:weixin_38608875
  1. CitectSCADA5.5技术概要(英文版).pdf

  2. CitectSCADA5.5技术概要(英文版)pdf,CitectSCADA5.5技术概要(英文版)Contents Profiles Configuration Citect Profile Citect SCA DA Explorer Cilec SCADA Profile Graphics Builder… 36 Cicode editor Debut untime 40 True Client-Server Architecture Example project…… .42 Syste
  3. 所属分类:其它

    • 发布日期:2019-10-20
    • 文件大小:4194304
    • 提供者:weixin_38744207
  1. 柔性生产线监控网络设计.pdf

  2. 柔性生产线监控网络设计pdf,柔性生产线监控网络设计Abstracts 10-06-143 Defects and Solutions for Diecasting of bctwccn rcducc work safcty accident and mcchanical safc quality Zinc Alloys standardization was analyzed. Promote enterprise to improve LIANG Huan-cao (Wah Fung Met
  3. 所属分类:其它

    • 发布日期:2019-10-13
    • 文件大小:150528
    • 提供者:weixin_38743506
  1. Use of booster fans in underground coal mining to advantage

  2. A booster fan is an underground main fan which is installed in series with a main surface fan and used to boost the air pressure of the ventilation to overcome mine resistance.Currently booster fans are used in several major coal mining countries inc
  3. 所属分类:其它

    • 发布日期:2020-05-24
    • 文件大小:330752
    • 提供者:weixin_38516380
  1. Gas and coal outbursts in Polish mines-causes and assessing methods

  2. The paper presents some information about gas and coal outbursts threat in Polish coal mines.It shows the methodology for threat identification and monitoring for gas and coal outbursts in the Polish coal mines.One of the main methods of assessing th
  3. 所属分类:其它

    • 发布日期:2020-06-26
    • 文件大小:219136
    • 提供者:weixin_38694674