AU2020103098A4
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Ore prospecting prediction method of nonlinear discrete speculation model
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CN112251230A
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Novel up-conversion luminescent material and preparation method thereof
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CN112051610A
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Vector field multi-mode surface wave frequency dispersion calculation method and system
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CN112252990A
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Self-sweeping laser twist drill bit
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CN112250411A
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Self-degradation temporary plugging cement and preparation method thereof
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CN112107074A
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Underground terminal intelligent safety helmet based on multi-sensor fusion
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CN112049589A
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Drilling rod inner wall mud skin belt cleaning device
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CN112158359A
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Method for detecting fatigue fracture of wing
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CN112221466A
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Phosphate-iron oxide modified biochar composite material, and preparation method and application thereof
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CN112068201A
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Exploration method for ancient ridge edge unconformity V-belt
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CN112096363A
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Liquid nitrogen injection freeze-drying coal bed gas production increasing system and working method thereof
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CN112127868A
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Test device for simulating underground coal gasification and oil shale co-production and test method thereof
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CN112127857A
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Test device and test method for simulating liquid nitrogen injection freeze-drying for increasing coal bed gas yield
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CN112201560A
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Ion deflection device and method
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CN112025671A
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Industrial robot based on panoramic vision and use method thereof
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CN112103439A
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Metal power battery pack shell device and using method thereof
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CN112051626A
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Quantitative characterization method of source-sink system
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CN112230302A
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Sand body comparison method based on deposition microphase guidance
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CN112101478A
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Delta classification method based on structure-cause
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CN112149043A
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Interbedded rock compressibility evaluation method and terminal equipment
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