“hydrocracking”的概念、定义、翻译、参考文献-科学参考

单词	hydrocracking
释义	hydrocracking Encyclopedia 工学固定床加氢释 hydrocracking加氢裂化在加热、较高氢气分压和催化剂存在的条件下，使重质油发生裂化反应，转化为气体、汽油、喷气燃料、柴油等过程。是石油炼制过程之一。与加氢处理相比，现代炼油技术中加氢裂化是指通过加氢反应使原料中有10%及其以上的分子变小的加氢工艺。其中转化率小于50%的称为缓和加氢裂化，多数情况为10%～40%，而转化率大于50%为传统意义上的加氢裂化。
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