查询词典 petrological

In contrast, many geological, petrological and geochemical problems of H9 formation remain unsolved.

文中详细论述了这些火山岩石的结构构造、矿物成分和岩石化学成分，以及微量元素。

Owing to the lack of petrological and geochronological data, the nature and metamorphic process of the Tongbai complex remain unclear.

由于岩石学和年代学研究资料的缺乏，对其构造属性和变质演化过程一直存在着模糊的认识。

Their petrological and lithogeochemical characteristics show of typical shoshonites.

岩石学和岩石化学特征显示典型的钾玄岩特征。

The actual chemical make-up of rocks is complex, so the conventions of petrological analysis pretend that these metals are present in basalt as their oxides.

然而构成这种岩石的化学元素十分的复杂，因此根据常规的岩石分析得出出现在玄武岩里的金属都是其氧化产物。

This paper aims to analyze the stratigraphic and petrological characteristics, the palaeocurrent , and the clastic compositions of Xueshan Formation.

本文重点研究了雪山组的地层特征、古水流特征以及砂岩碎屑组分特征，在此基础上简单分析了其沉积相特征。

Petrological and geochemical researches reveal that the enclaves and the host granites are related to each other and restricted with each other.

岩石学、矿物学、主量元素和微量元素地球化学研究表明，包体在地球化学特征上表现为与寄主花岗岩既相互联系又受其制约。

Aimed at explaining the processes which caused such an enormous hydrogen concentration in the Earths core,an unconventional petrological model of the origin and evolution of the Earth,other planets and the Solar system as a whole is suggested in this paper.

为了解释这些导致地球内核如此巨量氢集中的作用，文中提出了一个关于地球、其它行星及作为一个整体的太阳系，其起源与演化的非传统的岩石学模型。

This paper presents petrological and geochemical data of Au-mineralization-related alkali-rich porphyries in the Beiya gold deposit and its adjacent regions, western Yunnan.

提供了与滇西北衙大型金矿床密切相关的富碱斑岩的主量元素及稀土和微量元素的分析数据，对富碱斑岩的成因、起源条件和源区类型进行了讨论。

Mineral ness accumulate aid keep their petrological features in coal.

矿物质大量富集，并基本保持煤中原有的形态特征。

The result develops new field for petrological research and provide clues for the prospecting of diamond, topaz, phosphorous and magnesium dep...

它们将成为今后岩石学研究的新领域，同时也是今后寻找金刚石、刚玉、磷、镁等矿产的线索之一。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。