Environmental groups had argued that its use offered no meaningful reduction in greenhouse gas emissions - in part because of the vast use of energy and water in the ethanol conversion process.

环保团体称玉米乙醇并没有给我们什么有价值的温室气体排放降低，这部分是生产乙醇的能耗和用水过多所致。

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In the use process of the gas cylinder, if find any serious corrosion and damage or have doubts about its security, should be tested in advance.

气瓶在使用过程中，发现有严重腐蚀、损伤或对其安全性有怀疑时，应提前进行检验。

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You would use oxygen process gas to form the oxygen plasma.

你需要使用氧气作为处理气体来产生氧气等离子体。

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Richard Moorman, CEO of Tamboran, even told residents of Sligo the firm would not use chemicals in the natural-gas extraction process.

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