英语语法分析

Increasing sulfidation temperature and time can enhance the resistivity of the pyrite films.

随硫化温度升高及硫化时间延长，薄膜电阻率上升。

The corrosion mechanism is then discussed in terms of oxidation-sulfidation and scale fluxing models.

在一定程度上腐蚀机制涉及氧化-硫化与氧化物的熔融等。

They can be transformed into sulfide and become active for HDS reaction at normal sulfidation conditions.

在催化剂正常硫化条件下，可直接转化为具有催化活性的硫化物。