岩石化学的

There are remarkable differences among chondrite groups in petrographic, mineralogical, chemical and O isotopic characteristics.

不同的球粒陨石群，其岩石学、矿物学、化学及氧同位素组成均有明显的差异。

The Ningqiang carbonaceous chondrite is the first falling carbonaceous chondrite in China, The geochemical characteristics of the refractory inclusions in the meteorite including petrology, mineralogy and chemical compositions were studied by many kinds of scientific method such as optical microscopy, electron microprobe, and instrumental-activation analysis and so on.

宁强碳质球粒陨石是中国第一块降落的碳质球粒陨石。本工作采用了光学显微镜、电子探针、仪器中子活化分析等多种手段，对这块陨石难熔包体的地球化学特征（包括岩石学、矿物学及化学成份）进行了研究。

It has indicated the resources utilization direction of coal gangue in the research area.

通过系统测试分析，研究了平顶山和韩梁矿区煤矸石的化学成分及矿物、岩石、加工工艺等特征，指出了研究区煤矸石资源化利用的途径。

Petrography and mineral chemistry of 100 meteorites collected from the Grove Mountains,Antarctica,were studied and their chemical-petrographic types were assigned.

本文主要报道了南极格罗夫山新回收的100块陨石的岩石学和矿物化学特征。

Phosphate rock is one of the four most important basic chemical commodities.

磷酸盐类的岩石是四种最重要的基本化学商品之一。

The organic chemical knowledge is impenetrate petroleum industry.

石油是赋存于地下岩石孔隙中的可燃有机矿产，其化学组成以有机化合物为主。

With analytical result of micro image,meso erosive characteristic of rock under different chemical environment is studied.

由显微图像分析结果，研究了不同化学环境下岩石的细观腐蚀特征。

Metasomatic - this is rock where chemical composition and texture changes occurred.

交代-这是在岩石的化学成分和结构发生了变化。

In their study of rocks and minerals geologists apply chemical and physical concepts of atoms, molecules and crystals.

研究岩石和矿物是，地质学家用原子、分子和晶体的化学与物理概念。

Study includes such topics as historical geology, rock and soil chemistry, and the use of minerals in industry.

课程包括历史地质学，岩石和土壤化学以及工业中矿物质的使用。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。