美 [ˈkemɪkl riˈækʃn]
化学反应：当两种或更多物质结合形成一种新物质时发生的化学变化。
chemical reaction //
→comparenuclear reaction
(chemistry) a process in which one or more substances are changed into others
同义词： reaction
化学反应-引用次数：264
The optimum chemical reaction condition was established and the appropriate instruments were prepared for this test.
实验确定了最佳的化学反应条件和仪器工作条件。
参考来源原子吸收法测定拟薄水铝石中微量铁
化学变化-引用次数：5
参考来源预分解窑煅烧过程计算机模拟
化学反映
化学反响
化学反应-引用次数：85
At the same time, this paper also analyses and studies the chemical reaction mechanism and absorption dynamics when SO2 is absorbed.
同时，本文还分析和研究了SO2被吸收液吸收时的化学反应机理和吸收动力学。
参考来源吸收法（工业废液）脱除SO
化学反应
化学反应
... chemical agent 化学试剂 chemical reaction 化学反映 chemical change 化学转变 ...
所以我其时地总结就是：词与词地组合会产生 化学反响 ( chemical reaction )，而听力，改正确地说是听力理解，就是要去领会这种 化学反响 之后地整体寄义，而不是反响之前地各个元素词汇。
Through chemical reaction, hydrocarbons can be created.
通过化学反应，可以产生碳氢化合物。
The chemical reaction that follows is very complex and continues for many years, and the concrete just keeps getting harder.
接下来的化学反应非常复杂，会持续很多年，混凝土只会变得越来越硬。
These bacteria actually combine the hydrogen sulfide with the carbon dioxide and this chemical reaction is what produces organic material which is the food for larger organisms.
这些细菌实际上就是硫化氢和二氧化碳的结合体，而这种化学反应产生的有机物质是更大的有机体的食物。
Soap is made from a chemical reaction called saponification.
VOA : special.2011.03.09
I can take an insulated box, and I can have a chemical reaction in that insulated box.
里面进行着化学反应,比如说把一个药店。
热力学与动力学课程节选 : 麻省理工公开课
To ask questions like how much heat is released in a chemical reaction that takes place at constant temperature.
当我们想要知道,当一个化学反应在恒定的温度下发生时,会放出多少热量时。
热力学与动力学课程节选 : 麻省理工公开课
Next, they prompted a chemical reaction, causing the cells to fuse and begin development.
The resulting chemical reaction converts the nasty NOx fumes into nonpolluting nitrogen, water and carbon dioxide.
He said his outfit included the packaging because of the technology--the chemical reaction--not the can.