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Dynamic segmented mining and caving technique for strike long-wall full-mechanized caving mining of high-dipping thick coal seam
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Quick self-heating starting method of solid oxide fuel cell and material
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Portable type rock mechanics multi-functional test instrument tester
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Rock shear force test device
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Seismic prestack inversion method and device for horizontal cracks
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Nonionic surfactant modified montmorillonite and preparation method thereof
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Method of experiencing invalid condition caused by exterior injury based on virtual reality equipment
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A waveform-envelope-based isotropic medium supersonic wave speed automatic calculating method
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Intelligent underground water level measuring instrument
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Improved method for detecting infection degree of arbuscular mycorrhiza
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Multiplication method of arbuscular mycorrhiza fungi inoculant in coal mine area
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