Small scale tests and verification tests of magnesia reduction concentrating process for treating rich lean ore mixture from Longshou Mine in Jinchuan were carried out.
对金川镍矿龙首矿混合矿石进行了降镁工艺小型试验和验证试验。
After gas injection at Yangquan mine area test verification, the parameters obtained from the numerical model are more reasonable.
经过在阳泉矿区现场注气试验验证，由数值模型得出的工艺参数较为合理。
The practical verification showed that the evaluation index system would have the references to the safety management of the mine ventilation system in the old mining area.
实践验证表明，该评价指标体系对老矿区矿井通风系统安全管理具有借鉴意义。
The practical verification showed that the evaluation index system would have the references to the safety management of the mine ventilation system in the old mining area.
实践验证表明，该评价指标体系对老矿区矿井通风系统安全管理具有借鉴意义。
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