查询词典 nitrides

A series of alumina-supported nickel molybdenum nitrides were prepared by temperature programmed reduction successfully.

采用程序升温还原法制备氧化铝载体负载的氮化镍钼。

Nitrogen from the gas is introduced into the steel, forming very hard nitrides that are finely dispe

氮的气体引入钢铁，很难形成氮化物，这些细分散通过表面金属。

In addition, the atmosphere in heat treatment, chemical composition and different sources of nitrides can influence the crystallization of oxynit...

另外，热处理气氛、化学组成以及氮的来源都对氧氨玻璃的析晶产生影响。最后从玻璃结构角度作了讨论。

One is the preparation and studyof the transition metal nitrides,the other is the SW theory of magnetic ordered material.

基于以上原因，该论文包含了两大部分内容：过渡金属氮化物的制备和性能研究；磁有序材料中的自旋波理论。

High bright blue LED wafers were obtained by optimizing the nitrides growth technology and wafer structure.

通过设计并优化外延片多层结构，生长的蓝光LED外延片质量达到了目前国际上商品化的中高档水平。

In this thesis, a first principles study of the electronic properties and mechanical properties of transition metals, transition metal carbide s and nitrides is presented.

过渡金属碳化物和氮化物具有高硬度、高熔点、耐磨损和耐腐蚀的优良特性，被广泛应用于切削刀具和用作硬质涂层。

We present the idea of using a buffer layer of deviation from stoichiometry for materials growth on large lattice mismatch substrates. This idea was realized in nitrides growth in this thesis.

首次提出了采用偏离化学计量比的缓冲层在大晶格失配的衬底上生长单晶膜的思想，并在GaN外延生长上得以实现。

Compared with the traditional methods, this could be an ideal approach to prepare nitrides at relative low temperature.

采用Mg〓N〓-NH〓Cl为混合氮源在500℃下氮化〓合成了氮化钼纳米晶，采用Mg〓N〓为氮源氮化〓合成了β-W〓N纳米晶。

The new results include: 1. The two main difficulties were detailedly revealed in the growth of Ⅲ-nitrides on Si substrate.

通过系统研究Si衬底上不同GaN缓冲层的生长过程及其微结构，指出了影响Si上&两步法&生长GaN薄膜晶体质量的微观机制。

According to above conditions, the removal rate of basic nitrides is 92%, the recovery of feed oil is 96%.

柴油中含氮化合物的存在形式主要是苯胺、吡啶、喹啉及其衍生物以及吡咯、吲

Continuously improve the production mechanism, to provide customers with better quality products and services.

不断的完善生产机制，给客户提供更优质的产品及服务。

B:Yes, he was the very prize-winner in the court tennis ten years ago?

是的，他是十年前的世界网球冠军。