A field experiment was conducted to study the influence of black fluid-film mulched covered winter wheat in dry land on soil microhabitats and yield.

采用田间小区试验研究了黑色液膜覆盖旱地冬小麦对土壤微生境及产量的影响。

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But something goes wrong during the evacuation, and Wikus is suddenly dripping a strange black fluid from his nose, and his hand is changing into... well, you'll see.

但是，在此过程中出了岔子，威库斯接触了外星人的一种奇怪的黑色液体，突然又从他鼻子里滴落下来，然后他的手就变成了……恩，你自己看吧。

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Comparing the internal paper making black fluid disposal technology with the abroad, we elicit the feasibility of the disposal black fluid by CFBB combustion technology.

对比国内外造纸黑液处理办法，我们得出了利用循环流化床锅炉燃烧技术处理亚铵黑液的可行性。

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Hamilton never had this problem, but he did suffer from one botched transfusion, which left him urinating a fluid "dark, dark red, almost black".

BBC: Lance Armstrong: Tyler Hamilton on 'how US Postal cheated'