金属的

As LiF is in long price and easy to volatilize, which result in a heavy cost, a new type of electrolyte composition is suggested to be used to drop the cost.

本文提出采用廉价的REF〓-NaF-LiF体系，通过对体系熔盐性质和电极过程的研究，表明该体系适合作熔盐电解生产金属钕或富镧钕金属的电解质。

The results show that the addition of Zr increases the content of acicular ferrite and improves the microstructure of weld metal.

结果表明，锆的加入增加了焊缝金属中针状铁素体的含量，改善了焊缝金属的微观组织。

The structure to excavate a groove in a cell of the period grating with one alit displays a dent in the transmission spectrum compared with the structure with only a slit in the cell.

金属的介电常数随频率变化关系采用Drude模型。金属光栅每个单元刻蚀有1个亚波长宽度的缝和1个相同宽度的凹槽，凹槽深度可变。

A direct smelting process and a fixed, ie non-rotatable, metallurgical vessel for producing metal from a metalliferous feed material is disclosed.

本发明涉及用于从一种含金属喂入材料制造金属的一种直接熔炼工艺和一种固定的即非转动的冶金容器。

And if you want to understand the physical and chemical performance of a metal materials clearly, the available way is to carry on the experiment of metallographic analysis.

而要更清楚地了解金属的这些物理化学性能，更有效的方法是从根本上对金属的金相组织进行分析。

To predict which metals would form the nanocrystalline structures that they were searching for, Dr Schuh and his colleagues used computer models that put atoms from different metals together.

为了预测金属会形成他们所寻找的纳米结晶质结构，Schuh博士和同事使用了把不同金属的原子混合一起的电脑模型。

The structures and properties of the compounds are profoundly affected by the unusual stereochemical effects of the so-called lone-pair electrons in heavy p-block elements in lower oxidation states.

其与过渡金属，特别是前过渡金属的复合氧化物在催化、快离子导体、铁电材料、压电材料、光学材料等领域具有重要的实际应用和广阔的应用前景。

In this paper,the discussion is emphasized on the following process flowsheets in Chinese nickel metallurgy,such as the current smelting of low nickel matte with electric furnace and flash furnace concerting of high nickel matte with concterer separation of nickel from copper in grinding and flotation process anode electrolyting of nickel sulphide;two stage counter current ...

本文重点论述了我国镍冶金现有的电炉、闪速炉熔炼低冰镍－转炉吹炼高冰镍－铜镍磨浮分离－硫化镍阳极电解；高冰镍两段逆流硫酸选择性浸出－黑镍沉钴－电积；二次镍精矿制粒－沸腾焙烧生产氧化镍等工艺流程。同时，介绍了我国自行研究开发的高冰镍氯化精炼；焙烧－氨浸－氢还原；镍精矿微波脱硫－热等离子体熔炼高冰镍；大洋多金属结核常压氨浸和硫酸选择性浸出回收镍等有价金属的新工艺新技术。

Experimental results showed that the presence of chloride ion would effectively improve the deposition of metal, and largely increase the square wave anodic stropping peak height of metal depositing.

实验结果显示，分析溶液中含有氯离子可有效地改善金属铋、铅和镉在电极表面的沉积，大幅度地提高沉积金属的方波阳极溶出峰的峰高。

And it is able to bear erodes, wear-resisting excellent performance of decreasing, able to bear cavitates, anti-oxidantinging etc.ing under the high-temperature high pressure giving full play to the pottery, it is the steady sealing property that the sealed income of domestic and international metal is less than at present, service life is metalseveral times.

而且充分发挥陶瓷在高温高压下耐冲刷、耐磨损、耐气蚀、抗氧化等优异性能，是目前国内外金属密封所得不到的稳定的密封性能，使用寿命是金属的几倍

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。