金刚石

And the only allowed Raman band in the first-order diamond spectrum near 1332 cm^(-1) decreases and can't be observed in the micro-Raman spectrum of the film. Three Raman band near 1147 cm^(-1), 1364 cm^(-1) and 1538 cm^(-1) lie in the spectrum which are similar to the reported nano-diamond films.

在该薄膜一阶微显微拉曼光谱中，1332 cm^(-1)附近微晶金刚石的一阶特征拉曼峰减弱消失，可明显观测到的三个拉曼散射峰分别位于1147 cm^(-1)、1364 cm^(-1)和1538 cm^(-1)，与己报导的纳米金刚石拉曼光谱类似。

The effect of the proportion of added boron on the lowest synthesis pressure was studied.

考察了样品中不同的硼添加比例对合成金刚石最低压力点的影响，以及压力和温度对合成掺硼金刚石的影响。

This diamond will also be small in size compared to better proportioned diamonds of equal carat weight.

这金刚石并且将是小在大小与相等的克拉重量比较更好的成比例的金刚石。

Based on analysis of structure and function of bridging diamond circular saw,and in order to reduce the manufacture costs,the crossbeam structure of diamond circular saw was redesigned.

在研究分析桥式金刚石圆盘锯结构、功能的基础上，对金刚石圆盘锯横梁结构进行重新设计以达到降低生产成本的目的。

SEM shows that the growth properties of diamond films present columnar figure.

通过对金刚石膜横截面的SEM测试看出金刚石膜的生长是柱状生长。

The analysis of micromechanism showed that lt can avoid the corrasion of Ni element to the diamond faces when the scan speed was increased. and with the increase of the laser power ,Chemical metallurgy combination of Ti element with diamond grits faces would be strengthened.

通过显微组织分析发现适当提高扫描速度可以避免Ni元素对金刚石颗粒的侵蚀，适当提高激光功率有助于加强金刚石颗粒表面与钎焊合金里的Ti元素形成化学冶金结合。

In another region, ordered diamond crystallite were found, which is helpful for the growth of diamond on Si.

在某些区域还观察到了规则排列的金刚石颗粒，这有利于金刚石外延生长的探索。

The automatic control system of the cubic synthetic diamond press is developed in the paper aiming at the complex craftwork characteristic.

本文针对六面顶金刚石压机的复杂工艺流程特点，设计研发了一套六面顶金刚石压机计算机自动控制系统。

Research of changes in the mechanical properties and curability of composite core materials modified with ultrafine diamond

介绍了爆轰法合成纳米金刚石在理论、制备及合成技术研究的现状，指出了影响纳米金刚石生产成本及制约其工业应用的关键在于爆轰产物的纯化和分散。

The morphologies of diamond include cube, cuboid, octahedron, cuboctahedron, twinned cuboctahedron, decahedron and icosahedron and ball-like diamond using SEM observation. The formation condition of the grains is discussed.

用SEM观察CVD金刚石晶粒形态主要有立方体、长方体、八面体、立方八面体、李晶八面体、十面体和二十面体颗粒以及球形金刚石，讨论了晶粒的形成条件。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。