Coal Geology & Exploration 2002 Issue 6 Examination and investigation of drilling mud for the strata that always sop in water in diggings in Anhui province

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Optimized designing on diamond and tungsten carbide composite button
shi xiao liang ; duan long chen ; liu xiao yang ; tang feng lin ; chen xiao song

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An instrument to test the bolting force in no-destructive inspecting
zhu guo wei ; peng su ping ; wang huai xiu ; wang he ling

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The log testing method used for ground control in subsidence area
zhang jing kao ; han xu shan ; liu zhen xiang ; lin zheng ting

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The application of special seismic section in the subsiding column searching
yang de yi ; peng su ping ; chang suo liang ; yang shuang an

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Designing and development of GIS-based groundwater quality comprehensive assessment model
zhang yong bo ; zhang li zhong ; liu guang ; liu zhi ming

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The technology of fracturing fluid in CBM well
wang yong li ; cong lian zhu ; li an qi ; zhang sui an ; ma fang ming

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Distribution and time-space characteristics of coalbed gas composition in China
li xiao yan ; wang qiang ; du xin feng ; yang jie

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Research on 3D data model for geological application
xiong wei ; mao shan jun ; ma ai nai ; shen da yong

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The fuzzy-neural networks and theory of forecasting the coal-gas-outburst
wu cai fang ; zeng yong ; zhang zi xu ; yuan chong zuo

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