A hydrocracking catalyst with high selectivity to middle distillates was developed.

开发了一种具有较高的中油选择性的加氢裂化催化剂.

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The principles and structure characteristics of the common oil - water separator are introduced.

分析了脱脂液中油分的来源及存在状态,介绍了常用油水分离器的原理和结构特点.

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CNPC to build s announcement of the signing of two contracts, totaling nearly 267 million yuan.

中油化建今日公告签署两项合同, 金额合计将近2.67亿元.

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Sampling method and calculating method of concentraction of oil in sewage water was discussed.

本文讨论了污水中油的采样和结果计算方法.

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None of these steps will be enough to turn CPC into an industry out performer, however.

不过,上述举措都不足以使中油公司变成行业佼佼者.

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G 4 minus G 1 is the weight of the oil in the recycled refrigerant.

用G4减去G1为回收的制冷剂中油的重量.

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