英语语法分析

Samples containing tiemannite were collected from silicalite ore.

灰硒汞矿是一种少见的矿物。

Hydrothermal sedimentary silicalite studies are important for ore deposits.

热水沉积硅质岩对于矿床研究具有重要意义。

The recent progress using titanium silicalite to catalyze propylene into Propylene Oxide was introduced.

评述了环氧丙烷的各种合成方法，介绍了钛硅沸石催化丙烯环氧化反应研究的近期进展。