金属元素

Due to the electron composition and 4f electron motion property of rare-earth metalelements, rare-earth metal complexes possess such a lot of excellent electronic,chemical and optical properties that they become major research object of new andhigh technology material.

中文摘要由于稀土金属元素的电子组成和4f电子运动特性，使得稀土金属化合物拥有许多优异的电子、化学和光学特性，从而成为高新技术材料的研究对象。

A series or criteria of recognizing tin-bearing granite is set up by collecting the data on related petrology, mineralogy, geochemistry, trace elements, transitional ele ments, incompatible elements and rare earth elements.

黑云母花岗岩对成矿的贡献有两个突出的方面：其一是其在重熔生成演化过程中，经高度分异作用，将原各地质体中的锡多金属元素分馏富集，为成矿奠定了一个良好的基础。

ship engineering ; anti-corrosion of ship ballast water tank ; installation of sacrifice anode ; cathode protection

海水是一种很强的电解质，由于船体钢铁不是单纯的理想金属，而是由铁与碳及其它金属元素共同构成

The result shows that sulphur in the raw material is fixed in the slag in the form of sodium sulphide during smelting, main metals of lead and antimony and precious metals are concentrated in the metallic phase while zinc, indium and other associated metals existing in the slag.

在熔炼时原料中的硫元素全部以硫化钠的形式被固定在熔炼渣中，铅锑主金属及贵金属进入金属相，锌、铟等伴生金属元素进入渣相。

Sodium A soft, light, extremely malleable silver-white metallicelement that reacts explosively with water, is naturally abundantin combined forms, especially in common salt, and is used in theproduction of a wide variety of industrially important compounds.

钠一种软、轻、极有伸展性的银白色金属元素，和水起爆炸反应，化合的形式较丰富，尤其是以普通盐的形式存在，在很多种重要的工业化合产品的生产中得到广泛应用。

Leveling, levelling leveled, levelled leveled, levelled sodium A soft, light, extremely malleable silver-white metallic element that reacts explosively with water, is naturally abundant in combined forms, especially in common salt, and is used in the production of a wide variety of industrially important compounds.

钠一种软、轻、极有伸展性的银白色金属元素，和水起爆炸反应，化合的形式较丰富，尤其是以普通盐的形式存在，在很多种重要的工业化合产品的生产中得到广泛应用。

A deep-sea manganese contains a great deal of metallic elements,if exploited properly,it'll be a valuable substitute resource for land metallic ore.

深海锰结核中含有大量金属元素，若开发得当将是一种宝贵的陆地金属矿产替代资源。

Deep-sea manganese nodule contains a great deal of metallic elements, if exploited properly, it'll be a valuable substitute resource for land metallic ore.

深海锰结核中含有大量金属元素，若开发得当将是一种宝贵的陆地金属矿产替代资源。

It is an object of the present invention to provide a method for producing a magnetostrictive element which can give an anisotropic magnetostrictive element from a starting material containing Sm and a transition metal element.

本发明提供一种使用含有Sm和过渡金属元素的材料，能够得到具有各向异性的磁致伸缩元件的磁致伸缩元件的制造方法。

Various effects imposed by tracemetal nutrient on red tide algae might bring changes of dominant species.

微量金属元素对赤潮藻类影响的不同可能改变水体中赤潮藻类的优势种群。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。