Depending on the size of the aircraft, the burning of fuel during a single flight produces between 8-50kg of nitrogen oxide as well as carbon dioxide, carbon monoxide and sulphur oxide.

根据飞机大小的不同，单程航线燃烧的燃料产生8 - 50千克的氮氧化物，以及二氧化碳、一氧化碳和硫氧化物。

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Finally, refineries emit many gases like sulphur dioxide (SO2), nitrogen oxide (NO2), carbon dioxide, carbon monoxide, methane, dioxins, hydrogen fluoride, chlorine, benzene and others.

最后，炼油厂排放很多的气体，如二氧化硫(SO2)、二氧化氮(NO2)、二氧化碳、一氧化碳、甲烷、双环氧乙烷、氟化氢、氯、苯和其他气体。

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Zinc oxide is the most commonly used and an effective activator for sulphur vulcanization of rubber.

氧化锌是橡胶硫黄硫化最常用的有效活化剂。

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