Instead of sulfide cutting oil, all kinds of metal processing, can reduce the workpiece roughness, extend tool life, cutting efficiency is improved by more than 60%.

可代替硫化切削油，对各种金属加工，可降低工件粗糙度，延长刀具寿命，切削效率提高60%以上。

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Many causes can account for oil's ageing, such as types of oil, its temperature, the contacting part with oxygen, metal catalyst, water content of oil-fried food and the processing styles.

产生油脂老化的主要因素有油脂的种类、油温、与氧气接触面积、金属催化剂、油炸物水分含量和加工方式等。

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The new-developed slurry bed hydrocracking technology for processing heavy oil with high contents of metal, nitrogen, gum and residual carbon has been developed in China.

针对劣质重油中金属、氮、 胶质、康氏残炭含量高的问题，国内已经开发了悬浮床加氢裂化工艺。

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