“加氢裂化”的概念、定义、翻译、参考文献-科学参考

单词	加氢裂化
释义	加氢裂化 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。
随便看	the narrative structure of repetition for three times The Narrow Road to the Interior The nation The National 12th Five-year Strategic Plan for Public Library Development The National 13th Five-year Strategic Plan for Public Library Development The National 9/11 Memorial & Museum The National Advisory Committee of Higher Grassland Science Education in Ministry of Education The national anti Japanese War magazine The National Archives of Scotland The National Art Center, Tokyo the National Association of Social Workers Code of Ethics The National Astronomical Observatories of the Chinese Academy of Sciences The National Building Museum,USA The National College Entrance Examination The National Committee for Pig Production of Danmark The National Development and Reform Commission The National Doctrine of Education in the Russian Federation The National Education Comprehensive Reform Pilot Area The National Emergency Preplans for Forest Fires The National Film and Sound Archive of Australia The National Film and Television School（NFTS） The National Film School of Denmark The National Fishery Eco-environment Monitoring Network The National Forest Conservation Programne The National Gallery of Jamaica

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