在一定的温度、空速和压力的范围内，考察了催化剂的烷基化性能。
The catalyst alkylation performance was studied under different temperature, space velocity and pressure.
解决这一问题的一般办法是避免使用烷基卤。
The general answer to this problem is to avoid alkyl halides.
如何摆脱这些不利的局面，是摆在烷基苯厂面前的一大课题。
It is a very important task for us to get rid of the unfavorable situation.
如何摆脱这些不利的局面，是摆在烷基苯厂面前的一大课题。
It is a very important task for us to get rid of the unfavorable situation.
应用推荐