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- Improvement on Catalyst Circulation for Acetic Acid preparation from Aldehyde Oxidation 乙醛氧化制醋酸装置催化剂循环周期短的改进
- Reasons and Countermeasures of Short Period of Catalyst Circulation in the Acetic Acid Production Device 醋酸装置催化剂循环使用周期短的原因及对策
- Pound notes have been withdrawn from circulation. 一英镑面值的钞票已停止流通。
- Harvey discovered the circulation of the blood. 哈唯发现了血液循环。
- We observed the circulation of blood in frogs. 我们观察了青蛙的血液循环。
- The old coins have been withdrawn from circulation. 旧硬币已经收回不再流通了。
- Many forged notes are in circulation. 许多假钞在流通。
- This magazine has a large circulation. 这本杂志发行量很大。
- The offer of a new job provided just the catalyst she needed. 这份新工作正是她所需要转变的契机。
- These ideas have been in circulation for some time. 这些想法已经流行了一段时间。
- After a month in hospital, she is back in circulation. 住了一个月的医院后，她又重新活跃起来了。
- Police say a number of forged banknotes is in circulation. 警方称市面上有一定数量的伪钞。
- The newspaper's circulation has trebled since last year. 去年以来该报的发行量已增加到原来的三倍。
- catalyst circulation pipe 催化剂循环管线
- The last step is to regenerate the catalyst. 最后一步是将催化剂还原。
- I've been out of circulation in order to prepare for the TOEFL. 为了准备托福考试,我已经不从事社交活动。
- This paper has a circulation of more than a million. 这一报纸的发行量达一百多万份。
- War is a catalyst to help them to choose. 战争是一副催化剂来帮助他们选择。
- Grandpa has been out of circulation after the stroke. 在中风之後,祖父已经不再应酬。
- Police say a number of forged banknotes are in circulation. 警方称市面上有一定数量的伪钞。
