The ethanol mixed gasoline has reasonable formula composition, fine and easily obtained materials, less automobile tail gas emission and pollution, and no necessity of replacing automobile elements.
本发明配方组成合理，选料优良易得，汽车尾 气排放少污染，对汽车元件无需更换。
The content change over of the harmful composition in the reaction tail gas before the treatment and after by gas chromatography.
反应尾气中有害物在处理前后的含量变化等进行了测定。
After the activated carbon adsorbing VCM from rectified tail gas, the composition of this desorbed gas was introduced.
介绍了精馏尾气经活性炭吸附氯乙烯后，解吸气体的组分。
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