英语词汇ring reaction怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

网络释义

1
?环反应
... ring reaction 环反应 brown ring reaction 棕环试验 nucleophilic ring opening reaction 亲核开环 ...

短语

1
brown ring reaction
棕环试验
2
closed-ring reaction
关环反应
3
condensed ring reaction
缩环反应

双语例句

1
Opening ring reaction for two compounds controls the decomposition rate.
二者的热分解活化能都表明开环反应是速度控制步骤。
2
The second step, the digomeric glycol-intermediate product of Gemini. surfactant was prepared by opening ring reaction of glycide ether in the presence of potassium as catalyst.
第二步，在金属钾催化条件下，使第一步产物缩水甘油醚发生开环加成反应生成双子表面活性剂的中间体低聚二醇。
3
Tribenuron-methyl is synthesized via ring-opening reaction, phosgenation and condensation.
经过开环、光气化、缩合等一系列反应制备了苯磺隆。

单词	ring reaction
释义	ring reaction 简明释义环状反应网络释义 1 ?环反应 ... ring reaction 环反应 brown ring reaction 棕环试验 nucleophilic ring opening reaction 亲核开环 ... 短语 1 brown ring reaction 棕环试验 2 closed-ring reaction 关环反应 3 condensed ring reaction 缩环反应双语例句 1 Opening ring reaction for two compounds controls the decomposition rate. 二者的热分解活化能都表明开环反应是速度控制步骤。 2 The second step, the digomeric glycol-intermediate product of Gemini. surfactant was prepared by opening ring reaction of glycide ether in the presence of potassium as catalyst. 第二步，在金属钾催化条件下，使第一步产物缩水甘油醚发生开环加成反应生成双子表面活性剂的中间体低聚二醇。 3 Tribenuron-methyl is synthesized via ring-opening reaction, phosgenation and condensation. 经过开环、光气化、缩合等一系列反应制备了苯磺隆。
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