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A think and method on the genetic strata analysis
XIA Wen-chen, LEI Jian-xi, ZHOU Jie
1991, 19(4): 2-10.
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The property of glauconite and its facies-indicating significance in Longtan formation Nayong district, Guizhou Province
DING Shu-li
1991, 19(4): 10-15.
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Sedimentary characteristics of Jurassic Yanan formation in Huanglong coal field
YU Gui-ying
1991, 19(4): 16-21.
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Distributed characteristic of small-structure in Jiazhuang coal mine, Jingjng mine area
ZHAO Pu-ming, QI Guang-xin
1991, 19(4): 22-30.
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Geostatistical evaluation of reserve for coal mine and comparision to traditional method
CHEN Bo-mao
1991, 19(4): 31-38.
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Calculation of natural gas composituion in coal seams
ZHANG Nai-sheng
1991, 19(4): 15-15.
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Defining transmissivity of fault by means of “transmission weighted-value method”
JI Shu-kang
1991, 19(4): 39-41.
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Development strategy of the menace coai resource with Karstic water in Northern China
WANG Meng-yu, YE Gui-jun
1991, 19(4): 42-44.
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The study of between groundwater and geothermal in Hesan-Pingyang prospecting area
LI Bo
1991, 19(4): 45-47.
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Coal layer reflection and its interpretating rock characteristic
CHEN Guang-ming
1991, 19(4): 48-55.
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Evaluation of preicision of high resolution dipmeter tool
FU Xin-sheng, HAN Ze-xi
1991, 19(4): 56-58.
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A discussion on design of special observation system for in-seam seismic method
GUO En-hui
1991, 19(4): 59-63.
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Retrospect and discussion on drilling efficiency and drilling equipment for coal field
ZHAO Yu-fang
1991, 19(4): 64-67.
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Three-power electric generator set with automatic regulation
WANG Xue-chun
1991, 19(4): 68-71.
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