And this paper summarizes their progress and wide use in organic reactions according to their unique non - dissolve property, acidity, activity and selectivity in recent years.
综述了近年来此类催化剂以其独特的不溶性、酸性、活性、选择性在有机合成反应中的广泛应用。
2
This paper reviewed the effects of the non uniform distribution of active components on the activity, selectivity and stability of catalyst.
本文评述了活性组分不均匀分布对催化剂的活性、选择性和稳定性的影响。
3
The selectivity leakage protective system can give out alarming signal or cut off the fault branches selectively when the leakage fault happens, and the non-fault branches are working normally.