这个实验要求我们使用1:2的摩尔比。

This experiment requires us to use a 1:2 molar ratio.

我们需要计算溶液中各成分的摩尔比。

We need to calculate the molar ratio of each component in the solution.

通过调整摩尔比，我们可以优化反应条件。

By adjusting the molar ratio, we can optimize the reaction conditions.

在化学反应中，反应物的摩尔比非常重要。

In a chemical reaction, the molar ratio of reactants is very important.

了解摩尔比有助于更好地理解化学反应的机制。

Understanding the molar ratio helps to better understand the mechanism of chemical reactions.

四乙烯五胺与环氧氯丙烷的最佳摩尔比为1：1．5；

The optimal molar ratio of TEPA to ECH was 1:1.5.

考察了反应物摩尔比、催化剂用量、反应温度和反应时间对反应的影响。

The effects of reactant molar ratio, catalyst consumption, temperature and reaction time on the reaction were discussed.

结果表明：高摩尔比的脲醛树脂中由于未完全反应的甲醛更多，对面粉的影响性能更大。

The result indicated that high molar ratio of UF which the formaldehyde not completely reacted has greater influence on the performance of flour.

废水中挥发酚含量过高，是苯酚与甲醛的摩尔比过高，致使反应不完全造成。

In addition, the higher content of free phenol in waste water was due to the incompleted reaction resulted by the exceedingly high molar ratio of phenol to formaldehyde.

考察了酸醇投料摩尔比、混合液的进料流量、催化剂的填充密度等因素对反应过程的影响。

The influence of the factors, such as the molar ratio of acetic acid ton-butanol, the feed rate of the reactants and packing density of the catalyst, was investigated.