The result is that soil improved effects of re-vegetation in coal waste piles are obvious, especially purifying poisonous elements.
通过定点观测、实地试验等方法，得出植被恢复对矸石山土壤改良效益显著，特别是对土壤中的有毒元素具有净化作用。
Furthermore, with the infiltration time increasing by power function, the soil's infiltration velocity of re-vegetation in coal waste piles decreased.
另外，植被恢复过的矸石山土壤水分入渗速率随入渗时间的增加而减小，呈幂函数递减规律。
Coal waste piles have led to serious environmental problems and social problems, which has become an important issue for coal mining area environment.
煤矸石山的露天堆存导致了严重的环境问题和社会问题，已成为煤矿区环境治理的重要课题。
And if you've been in that part of the country, this is what those piles of burning, smoldering coal waste look like.
如果你去过美国的那部份地区，这就是大量燃烧及闷烧的煤废气看起来的样子。
And if you've been in that part of the country, this is what those piles of burning, smoldering coal waste look like.
如果你去过美国的那部份地区，这就是大量燃烧及闷烧的煤废气看起来的样子。
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