Now showing items 1-3 of 3

    • Diffraction Characteristics of Small Fault ahead of tunnel face in coal roadway 

      Wang, Bo; Liu, Shengdong; Zhou, Fubao; Zhang, Jun; Zheng, Fangkun
      Small fault ahead of the tunnel face in coal roadway is the important hidden hazard factor of coal and gas outburst accidents. The study of small fault prediction has important practical significance, which is the urgent ...
      Universidad Nacional de Colombia Revistas electrónicas UN Earth Sciences Research Journal. 
    • Double-transmitting and Sextuple-receiving Borehole Transient Electromagnetic Method and Experimental Study 

      Wang, Bo; Liu, Shengdong; Li, Shining; Zhou, Fubao
      With the continuous improvement of precision requirements for borehole geophysical exploration, the application of transient electromagnetic method (from now on referred to as TEM) in a borehole has become a hot spot. The ...
      Universidad Nacional de Colombia Revistas electrónicas UN Earth Sciences Research Journal. 
    • Quantitative Calculation of Aquifer Water Quantity Using TEM Data 

      Huang, Lanying; Liu, Shengdong; Wang, Bo; Zhou, Fubao
      Mine water is a menace to coal mining. Mine water quantity is generally detected by drilling in the coal mine roadway, and the disadvantage is high workload and low efficiency. Therefore, transient electromagnetic method ...
      Universidad Nacional de Colombia Revistas electrónicas UN Earth Sciences Research Journal.