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Sedimentary Environment of Sand Body and its Relations with Coal-bearing Property in Middle Age of Late Carboniferous in Northern Part of Helansha
1984, 12(4): 1-6.
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Size Analysis of Thin Section and the Treatment of Matxices
1984, 12(4): 6-10.
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Dctermination of Carboniferous Upper Boundary for Section of the Louhe in Weibei Coalfield,Shaanxi Province
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1984, 12(4): 11-14.
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Discussion on Characters and Era of Floral Groups of Caoliangyi Formation in Fenxian, Shaanxi
1984, 12(4): 15-20.
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Characters of Coal Metamorphosis of Late Paleozoic Era in Henan Province
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1984, 12(4): 21-25.
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Researches in Engineering Geology for Detailed Geological Survey in Mine Field
1984, 12(4): 28-34.
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Regression Analysis for Estimating Water Discharge in Extraction of Louling and Zhuxianzhuang Coal Mines
1984, 12(4): 35-39.
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Application of Liquid Carbon Di—oxide and Acid to Water Well Washing
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1984, 12(4): 41-44.
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Analysis and Use of Well Diameter in Well Logging of Coalfield
1984, 12(4): 48-51.
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Application of Analysis of Phase of the Seis-mogram to the Coalfield Exploration
1984, 12(4): 52-56.
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Application of Yuhang's Bentonite and its Low Solid—content Mud in Coalfield Drilling of West Zhejiang
1984, 12(4): 62-65.
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The Application of Drilling Fluid of Polyacrylamide—Water Glass to Coalfield Drilling
1984, 12(4): 66-67.
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