Oxygen control mechanism in non-ventilation excavation based on the simultaneous mining of coal and gas
| Autor: | Fu, Ming-ming, Zheng, Qian, He, Shuai, Yan, Yiran, Wang, Xiaohui |
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| Zdroj: | In Process Safety and Environmental Protection March 2019 123:33-38 |
| Databáze: | ScienceDirect |
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