The algal oils are not themselves good fuel; but a refinery in Houston takes care of that, producing shipshape alkanes of the sort the navy likes.
水藻石油本身不是好燃料,但是位于休斯顿的一个炼油厂可以加工它们,从而产出海军喜欢的那种井井有序的烷类。
The muddle over how to limit water pollution from a refinery, which at least is easy to identify, does not bode well.
不知如何限制精炼油厂污染水源并不是一个好兆头,因为至少这种污染源点是容易确定的。
As a kind of by-product in refinery, petroleum coke has not been effectively used for a long time. And many researchers try their best to develop it.
石油焦作为一种迄今为止还未得到有效利用的石油炼制副产物,多年来一直是人们努力开发的对象。
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