像高兰尼一样，约翰逊利用特制的取样器测量全年排放的二氧化碳、甲烷和一氧化二氮的含量。
Like Gollany, Johnson USES the specialized Chambers to measure the levels of carbon dioxide, methane, and nitrous oxide released throughout the entire year.
此方法具有节能高效、产品含氮高、化学成分稳定、杂质含量低、生产能力大、成本低等优点。
This method owns advantages of saving energy, high efficiency, high nitrogen content, steady chemical composition, lower impurity, powerful capacity and lower cost.
延迟焦化馏出油(包括汽油、柴油及蜡油)的烯烃含量和氮含量高，必须进行加氢精制。
Considering the high contents of olefins and nitrogen, the whole fraction of delayed coker distillates (including light and heavy naphtha, gas oil) must be hydrotreated.
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