Brazil gets eight units of energy for every unit that goes into making it, so the process is relatively efficient and environmentally friendly.

在巴西，一单元投入可以制造出八单元能源，效率相对较高，对环境也较为友好。

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Distillation is the most common method to separate liquid mixtures, while it is also one of the biggest energy consuming unit operation in process industries.

精馏是分离互溶液体混合物最常用的方法，也是化学工业中最大的能耗单元操作之一。

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The unit energy yield of every kind of radicals in the radical injecting process was computed.

计算了自由基簇射过程中各种自由基的单位能量产率。

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But the costly distillation process is so energy-intensive that just 1.1 units of energy are produced for every unit used.

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