英语语法分析

Petrology, petrologic Chemistry, and Matrix Chemical Compositions of the Ningqiang Chondrite.

宁强陨石的岩石学、岩石化学及基质的化学成份。

The authors also discuss the regional tectonomagmatism activity from igneous petrologic angles.

首次从岩石学的角度探讨了区域构造岩浆活动史。

This paper sums up present research situation and advances in oil from coals in organic petrologic point of view.

并从有机岩石学观点出发，对煤成油的研究现状和进展进行了评述。