该模型在一定条件下能够预测出从煤仓里卸下煤的灰分，而且便于计算机实现。
Under a certain condition the model can be used to predict ash of coal delivered from bin. This is also beneficial to effecting computer management.
研究表明：煤的灰分、挥发分含量直接影响着煤体瓦斯压力、含量及煤与瓦斯的突出。
It is shown that the compressive stress, the content of the methane of the coal, and the bump of coal and methane are directly affected by the content of the ash and the volatile of the coal.
研究结果证实，煤水平衡接触角首先受煤中氢、氧元素含量影响最大，其次与煤的灰分产率有很强的线性相关关系。
The research results showed that the contact angle of the coal water balance would be highly influenced by the hydrogen and oxygen contents of coal and had a hig…
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