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- In the presence of 10 mol% of CuI and 20 mol% of Dabco, the coupling of various aromatic iodides with olefins was carried out efficiently and selectively to afford the corresponding internal olefins in moderate to good yields. 在10mol%25的CuI和20mol%25的Dabco的作用下,各种碘代芳香烃都能有效地与烯烃发生反应,选择性的得到双键末端取代的产物,产率较高。
- 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。
- The convoy commodore sees to the internal management of the convoy. 舰队司令官负责管理舰队的内部问题。
- This is not the season for internal quarrels. 现在不是内部相争的时候。
- I talked to him on the internal telephone. 我在内部电话上与他交谈。
- There was a rapid increase in internal trade. 国内贸易迅速增长。
- internal olefin 内烯烃
- A tube with a very small internal diameter. 毛细管一根内径十分细小的管子
- Olefin gas closely approximates air. 烯空气跟空气十分近似。
- The new intern is a little frisky. 这个新来的实习生有一点爱戏闹。
- I worked as an intern in that firm last summer. 去年夏天我在那家商行实习。
- These internal disputes have weakened the party's power. 这些内部纠纷削弱了这个政党的力量。
- A unit of internal capacity of a ship equal to 100 cubic feet. 装载吨船舶内部容积单位,等于一百立方英尺。
- The driver received internal injuries in the accident. 司机在事故中受了内伤。
- I advise you don't,but put on some olefin to conserve it. 建议不磨了,上石腊保存起来吧。
- He judge people by mere external clothes rather than internal character. 他判断人只靠着外表的衣服而不是内在的品格。
- A law or rule governing the internal affairs of an organization. 章程一种法规或规则,用于管理一个组织的内部事务
- A container capable of withstanding high internal pressure. 高压贮罐能承受很高的内部压力的容器
- He tried the baths there for an internal malady. 他到那儿洗温泉对他的内科病进行浴疗。
- There was an internal conflict among themselves. 他们内部出现了一场内讧。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries