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- Application of zeolite catalyst in cumene process makes it possible to achieve better quality without pollution. 而在合成异丙苯阶段使用沸石分子筛为催化剂,具有收率高、产品质量好、操作费用低、无腐蚀等优点。
- The typical industrial technology of producing phenol was cumene process containing four steps: alkylation,oxidation,purification and recovering. 异丙苯法是苯酚、丙酮的代表性工业制备方法,主要由烃化、氧化、精制、回收四个工序组成。
- With development of cumene process using zeolite catalyst, the new alkylation catalyst having high activity, no corrosion and much environment will be the emphasis of future research and development. 随着分子筛催化合成异丙苯工艺的进展,高效、无腐蚀、符合环保要求的新型烷基化催化剂将是未来研究和开发的重点。
- Test Methods for Gas Chromatographic Analysis of Major Organic Impurities in Phenol Produced by the Cumene Process 用异丙基苯工艺生产的苯酚中主要有机杂质的气相色谱分析的测试方法
- It is a leap in the process of cognition. 这是认识过程的一次飞跃。
- A product of a document copying process. 文件复制过程的一种产品。
- The new process extracts oil from shale. 这一新过程可从页岩里提炼出石油。
- The project is not finished but is till in process. 该项工程尚未结束,仍在进行之中。
- The process of applying and rubbing in an ointment. 涂油使用以及用油膏擦的过程
- cumene process for acetone 异丙苯法生产丙酮的工艺
- The act or process of pushing or thrusting out. 推,掷推出或掷出的行为或过程
- This part of the assembly process is now fully automated. 装配过程的这一部分现在是全自动的。
- Unloading the cargo was a slow process. 卸货的过程很缓慢。
- The car is in the process of repair. 那车正在修理中。
- Producing a dictionary is a slow process. 编成一本字典是一个缓慢的过程。
- The car is in process of repair. 那车正在修理中。
- Process foods are available in that store. 在那家商店可买到加工过的食品。
- It's a process of gradual development. 这是一个逐渐发展的过程。
- They are using a new process to make glass. 他们正在用一种新方法制造玻璃。
- A plate used in the process of gravure. 凹版印刷板凹版印刷过程中使用的板