含矸率
- 网络percentage of shale content
含矸率-
同时研究了放煤步距、放煤间距等放煤参数对产量、放出率、含矸率的影响。
Experimental study on reasonable coal drawing interval Coal-caving parameter to influence the yield and let out rate , with the stone rate .
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由于大采高综采具有资源回收率高、采出煤炭含矸率低、工作面生产时煤尘少、瓦斯涌出量小等方面的优点，使其成为在厚煤层开采技术方面迅速发展的新工艺。
As the great mining height fully mechanized mining has the advantage of high recovery rate , the low rate of coal gangue-containing , less coal dust production , small amount of gas emission , etc. , it rapidly developed into a new technology in the thick seam mining technology .