turning point

It was a turning point in his career.

这他事业上的转。

The process of disarmament is at a crucial turning point.

裁军正处在一个关键的转。

His induction as a teacher was a turning point in his life.

他就任教师工作他一生的转。

But for benzene, when treated with SDM-A there was a turning point in its adsorption isotherm, which corresponding to the dividing point between monomolecular and multimolecular layer adsorption.

在用SDM-A处理苯的吸附时，出现线形的吸附等温线，线的转正好单吸附与多吸附的界。