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The Petrological Characteristics of Sapropelic Coals in China
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1990, 18(1): 7-13.
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The Clay Mineral Association and Enviromental Significance of Ceshui Formation in Hunan Province
1990, 18(1): 14-17.
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Features and Genesis of the Light-green Mudstones of Longtan Formation in Shuicheng Mining Aaea
1990, 18(1): 17-20.
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On the Intraformational Sliding Structure of Xiahuayuan Coal Mine
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1990, 18(1): 21-24.
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The law of Layer Control to the Water-bearing Characteristics of Ordovician Carbonate in Tong-Pei Coal Field
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1990, 18(1): 40-44.
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Influenceing Tectonic Stress on the Floor Water Invasion
1990, 18(1): 44-46.
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Discriminant Function Fuzzy Pattern Recognition Method
1990, 18(1): 47-54.
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The Model of the Comprehensive Effect Evalution on Diamond Bit
1990, 18(1): 68-70.
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