请输入您要查询的字词:
单词
催化裂化
释义
催化裂化
Encyclopedia
工学
催化裂化
释
catalytic cracking
催化裂化
在热和固体酸催化剂的作用下,将高沸点、高相对分子质量的石油重质烃转化为裂化气、汽油和柴油等的工艺。石油重质烃原料包括原油蒸馏(或其他石油炼制过程)所得的重质馏分油;或重质馏分油中掺入一定量的渣油,经溶剂脱沥青后的脱沥青油;或全部用常压渣油或减压渣油。催化裂化的主要反应有裂化、异构化、氢转移、芳构化、缩合、生焦等。与热裂化相比,催化裂化的轻质油产率高、汽油辛烷值高、柴油安定性较好,并副产富含烯烃的液化气。
Chemistry
>能源化学>石油>释义
catalytic cracking
催化裂化
随便看
office automation, OA
office automation system
office building
office fields
Office for Administering Eunuchs
Office for Audience Ceremonies
Office for Biosafety Administration of Agricultural Genetically Modified Organisms of Ministry of Agriculture and Rural Affairs of China
Office for Standards in Education,Children's Services and Skills
Office for the Clarification of Buddhist Profundities
office for the state council leading group for the development of western regions of China
office for the state council leading group to revitalize the northeast and other old industrial bases of China
office furniture
office information
office information system
Office National d'Etudes et de Recherches Aerospatiales
Office No.3 of the Political Department under the Military Commission of the Nationalist Government of the Republic of China
office of building estimate
office of leading group for the development of the Guangdong-Hong Kong-Macao greater bay area of China
Office of Manufacture
Office of Oversea Trade (Shipo Si)
Office of Princely Establishment’s Administrator
Office of Princely Establishment’s Ceremonial Guard
office of revising medical books of the Song dynasty
office of the chargé d'affaires
Office of the Communications Authority
科学参考收录了854744条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2026/9/23 9:39:54