您要查找的是不是：
- halogen exchange labelling 卤素交换标记
- Polyethylene glycols can be used as effective phase transfer catalyst in halogen exchange fluorination. 聚乙二醇可作为卤素交换氟化反应有效的相转移催化剂。
- The common methods used for synthesizing fluorinated aromatic compounds, including direct fluorination and diazotisation as well as halogen exchange reactions were briefly introduced. 介绍了合成含氟芳香族化合物常用的氟取代反应、重氮化反应、卤交换反应,认为卤素交换尤其是脱硝氟代是选择性合成含氟芳香族化合物的有效途径。
- A novel method for synthesizing a series of tribromomethylarenes by halogen exchanging of trichloromethylarenes with boron tribromide was reported. 摘要报道了一种以三氯甲基芳烃与三溴化硼反应制备系列三溴甲基芳烃的新方法。
- Keywords halogen exchange fluorination;microwaves;p fluoronitrobenzene;potassium fluoride;phase transfer catalyst; 卤素交换氟化;微波;对氟硝基苯;氟化钾;相转移催化剂;
- Do you accept foreign exchange certificate? 你们接受外汇券兑换券吗？
- Trading on the Stock Exchange was light today. 证券交易所今日交投平平。
- A soldier was wounded in the exchange. 一名士兵在交火中受伤。
- He gave me an apple in exchange of an orange. 他给我一个苹果，交换一个橙子。
- Each telephone served by a private branch exchange. 由专用小交换机提供服务的电话分机。
- By just exchange one for another giver. 就这样以心相许相与。
- The London Stock Exchange is in turmoil today. 今天伦敦证券市场一片混乱。
- Keywords 2;5-dichloronitrobenzen;microwave radiation;halogen exchange fluorination;denitrofluorination;phase transfer catalyst; 二氯硝基苯;微波辐射;卤素交换氟化;脱硝基氟化;相转移催化剂;
- Keep this exchange memo for reconversion into foreign currency. 保存好这张兑换水单以便兑换回外币。
- Is five apples for five eggs a fair exchange? 用五个苹果换五个鸡蛋公平吗?
- The New York stock exchange crashed in1929. 纽约股票交易所于一九二九年大崩溃。
- To treat or combine with a halogen. 卤化用卤素处理或与卤素引起化合
- I'd like to exchange some pounds for dollars. 我想把一些英镑兑换成美金。
- An exchange of opinions is helpful. 相互交换意见是有益的。
- Our station offers lighting halogen lamps service. 佛山灯泡厂。
