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- Two-step method to directly synthesize 2-chloroacrylonitrile without the presence of solvent including addition reaction of chlorine gas with acrylonitrile and elimination reaction. 介绍了丙烯腈中不加溶剂,直接通氯气进行氯化加成反应,再经消除反应两步合成2-氯丙烯腈的方法。
- The propanedinitrile is synthesised from ethyl cyanoacetate by amination and elimination reaction. 由氰乙酸乙酯与氨反应生成氰乙酰胺,再经过消除反应制得丙二腈。
- The essay try to discusse the stereochemistry about the elimination reaction by using conformation analysis and give a satisfactory explanation. 本文应用构象分析讨论消除反应的立体化学,并给出满意的解释。
- Two HONO elimination channels may compete with each other.The HONO elimination reaction paths are predicted to be important for the decomposition of TNAZ in solid state. 计算结果表明两个HONO消去热分解途径可以相互竞争,并预测该途径是固体TNAZ热分解的重要途径之一。
- The carbonyl addition and elimination reaction for aldehydes 醛类物质的羰基加成和消去反应
- Other polymers, such as those made by step growth polymerisation may be more easily depolymerised. by undoing the condensation or elimination reaction that caused the monomer units to join. 其它聚合物,如由逐步聚合得到的聚合物,比较容易解聚,可通过引入导致单体单元链接的缩和反应的逆反应来实现。
- Emphasis is on substitution and elimination reactions and chemistry of the carbonyl group. 重点强调取代、消除反应和含羰基基团的化学性质。
- bimolecular elimination reaction 双分子消除反应
- intramolecular elimination reaction 分子内消除反应
- unimolecular elimination reaction [化] 单分子消除反应
- monomolecular elimination reaction [化] 单分子消除反应
- She has two cars and in addition a motorboat. 她有两辆轿车外加一艘汽艇。
- The little girl is not very clever at addition. 这个小女孩不太善于做加法。
- Ann will be a very useful addition to our team. 安来到我们队给我们增加了一员干将。
- In addition, we supply small parts for replacement. 此外,我们还提供备用小零件。
- The heating elimination reaction in organic synthesis 有机合成中的热消去反应
- Could I ask for your reaction to this policy? 我能问一下您对这个政策的反应吗?
- Addition and division are forms of computation. 加法和除法都是计算方法。
- A reactor is a container for chemical reaction. 反应器是进行化学反应的容器。
- The baby is a new addition to our family. 这个婴儿是我们家新增的人丁。