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- Through the arylation of ferrocene the m nitrobenenylferrocene m Fe C 6H 4 NO 2 was prepared which was reduced by Sn to 3 ferrocenylaniline m Fe C 6H 4NH 2. 我们曾研究了以季铵盐作为相转移催化剂，通过二茂铁的芳基化反应，合成了一系列带活泼官能团的二茂铁衍生物[1]。
- I suppose you also have a caste system in your society. 我想你们的社会里也有一种等级制度。
- The right to dissent is part of our political system. 有持异议的权利是我们政治体制的组成部分。
- Do you know how to log in to the system? 你知道怎么登录进入这个系统吗？
- Public opinion was against the old feudal system. 公众舆论反对旧的封建制度。
- The system works on the principle that heat rises. 该项装置是按照热力上升的原理运转的。
- C comes after B in the alphabet. 在字母表中C接在B后面。
- The drainage system has been aged. 排水系统已经老化了。
- They called for a radical reform of our tax system. 他们要求对税收制度进行根本改革。
- The HOMO orbital is composed of Fe and C atoms in Fc. 其HOMO轨道主要由Fe原子及茂环上C的原子轨道组成的;
- This is a highly efficient new heating system. 这是个高效的新取暖系统。
- He's mute on the subject of social system. 他对社会制度的问题保持沉默。
- B comes before C in the alphabet. B在字母表里排在C之前。
- He said he used this system in the year dot. 他说他很久以前用过这个系统。
- She left out a "c" in "account" . 她在"account"这个词中漏掉了一个"c"。
- A Pueblo people located north-northeast of Santa Fe, New Mexico. 陶斯人一支居住于美国新墨西哥州圣大菲城东北偏北的普埃布洛印地安人中的成员
- Our manager is conversant with account system. 我们的经理精通会计制度。
- The system can translate English into Chinese. 这个系统能将英语译为汉语。
- The caste system is still strong in India. 种姓制度在印度仍然很牢固。
- I can send him a note via the internal mail system. 我可以通过内部通信系统给他发个通知。
