气体分馏装置原料液化石油气(LPG)中有机硫化物形态复杂，考察分析工业装置精丙烯硫化物含量变化难度大。
It's very difficult to investigate the content variation of sulfide in fine propene since the state of organic sulfide in gas fractionation unit feedstock (LPG) was very complex.
分析了中国石油化工股份有限公司天津分公司精对苯二甲酸（PTA）装置先后采用的两批国产钯碳催化剂使用状况。
The operation condition of indigenous palladium-carbon catalyst was analyzed, two batches of the catalysts used in purified terephthalic acid(PTA) unit sequentially.
分析了中国石油化工股份有限公司天津分公司精对苯二甲酸（PTA）装置先后采用的两批国产钯碳催化剂使用状况。
The operation condition of indigenous palladium-carbon catalyst was analyzed, two batches of the catalysts used in purified terephthalic acid(PTA) unit sequentially.
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