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《Gold》 1989-04
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Research and analysis on the formula of calculating ore dilution in resue-and-filled stoping

Dai Jinhui (Jinchang Gouliang Gold Mine, Aohan County, The Inner Mongolia Autonomous Region)  
Based on the features of the mining technology of resue-and-filled sto-ping, the author has made a research and analysis on the formula for calculating dilution directly in the narrow and extreme narrow vein stopes underground, and presented a new formula more practical for calculating ore dilution in this method. The author supposes that this research is of great significance not only in theoretical and technological fields but also in the respect on economic benefit.
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