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2022
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Invention
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Method for increasing roof-contacted filling rate of underground mine end sand discharging stope.... |
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Invention
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Cartridge loading method for horizontal hole in broken rock of underground mine. Disclosed in the... |
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Invention
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Method for large goaf caving-in treatment and goaf elimination in underground mine. Disclosed in ... |
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Invention
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Method for treating underground water disaster of weak-permeability soil layer slope. Disclosed i... |
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Invention
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Method for determining interface roughness of block stone based on block stone contour. 11ss(x, y... |
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Invention
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Combined mining method for underground mine. A combined mining method for an underground mine, co... |
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Invention
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Beneficiation method for stepped recovery and segmented tailing discarding of low-grade chromite ... |
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Invention
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Method for extracting fe, zn and pb from electric furnace dedusting ash and high value utilizatio... |
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Invention
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Method for flotation of complex difficult to process copper silver sulfide ore. A method for the ... |
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Invention
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Underground tunneling blasting advanced protection wall dust suppression method. An underground t... |
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2021
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Invention
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Method for enriching and recovering chromium resources by synergistic utilization of chromium-con... |
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Invention
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Full-quantitative overall utilization method for step-by-step recovery of iron, sodium and tailin... |
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Invention
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Method for recovering stored ore when transitioning from caving method to filling method. A metho... |
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Invention
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Full-section monitoring method for poisonous and harmful gas in blasting fume in underground spac... |
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Invention
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Gelling agent for curing heavy metal ions in tailings and use method thereof. Disclosed are a gel... |
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Invention
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Method for consolidating soft soil foundation by using industrial solid waste as main raw materia... |
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Invention
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Method for constructing novel starter dam suitable for upstream tailings pond. Disclosed is a met... |
