Keyword [natural gamma] Result: 1 - 5 | Page: 1 of 1 1.  Research On MWD Gamma-ray Tool & The Calibration Method For It 2.  The Research And Development Of High-resolution Natural Gamma Logging Tool 3.  Detection And Radiation Law Of Natural Gamma Ray From Coal And Roof-rock In The Fully Mechanized Top Coal Caving Mining 4.  Error Correction Method Of Measurement While Drilling And Its Application In Shale Gas Horizontal Well Drilling 5.  Study On Time Sequence Law And Identification Of Coal Gangue Rock Caving Flow In Fully Mechanized Top Coal Caving Face Of Extra Thick Coal Seam With Complex Structure   <<First  <Prev  Next>  Last>>  Jump to

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