Assessment on mineair quality by using pollution loss rate is conducted.
使用污染损失率法对矿山井下空气质量进行了评价。
2
It was found that the main occupational hazards in nickel mine are airpollution (industrial dusts, nickel and other chemical agents), noise and heat stress.
该矿主要职业危害因素是生产性粉尘、镍及其他化学物所致空气污染、噪声以及高气温与热辐射。
3
Air leak and dust pollution in ore drawing through long pass in underground mine threaten the underground prodution safety.