查询词典 diamond

At present,industrial artificial diamond technic is a conversion of carbon from graphite structure to diamond structure by the effect of catalyst alloy at high temperature and high pressure.

1引言金刚石和石墨是碳的两种同素异形体，化学成分都是纯碳，人造金刚石是在高温高压下经过触媒作用将石墨结构发生转变的结果。

Any external or internal imperfection on a fashioned diamond; e.g., a feather, fissure, carbon spot, knot, etc. Some diamond men limit its use to internal faults only, using the term blemish for surface faults.

任何外来的或内部的缺陷就捏了钻石；如鸿毛、裂隙、碳当场绳结，似水流年钻石男人只限制其使用，以内部故障，利用地表断层任期污点。

In order to solve the existing problems of drilling gravel and cobble stratum,common tungsten carbide-insert drill bits, composite diamond-tungsten carbide button bits and impregnated diamond-tungsten carbide bar bits were designed and tested successively.

针对卵砾石地层的钻进实践，先后设计与试验了三种类型的钻头；普通八角合金钻头、金刚石-硬质合金复合球齿钻头与孕镶金刚石-针状合金复合式钻头。

Diamond cone arrays are successfully prepared through hydrogen plasma etching. The intrinsic columnar structure of the diamond films leads to the unevenly distributed ion etching rate, which plays an important role in the cone formation.

金刚石薄膜内在的柱状结构使氢离子在刻蚀薄膜时产生非均匀的刻蚀速率，对锥状表面的形成起着重要作用。

In view of the differences in material property and fracture mode, the mechanism of using diamond polish to bore in component is studied, and a special diamond core boring bit is developed.

针对构件组成材料的性能特点和破坏方式，研究了佥刚石磨料对构件进行套料钻孔的机理，研制特定的钻孔工具和工艺装置，对构件钻削区及其周围材料施加预压应力。

In view of the differences in material property and fracture mode, the mechanism of using diamond polish to bore in component is studied, and a special diamond core boring bit is developed. The technological equipment can exert compressive pre-stress on drilling area and surrounding material.

针对构件组成材料的性能特点和破坏方式，研究了金刚石磨料对构件进行套料钻孔的机理，研制特定的钻孔工具和工艺装置，对构件钻削区及其周围材料施加预压应力。

The thermal diffusivity of diamond films and diamond-based masks were measured by means of the photothermal deflection method with an error of 5%.

我们采用光热偏转法实现了金刚石薄膜和金刚石基底掩模的热扩散率和热导率的测试，测量误差小于5%。

This ring will not be a three stone ring, a diamond anniversary band or a diamond engagement ring.

这戒指不会有三个石环、钻石或乐队周年钻石戒指接触。

Unique and unusual diamond engagement rings, anniversary rings, handmade wedding rings, bespoke diamond earrings and platinum pendants.

独特的接触和异常的钻石戒指，戒指周年，手工结婚戒指、耳环、白金钻石吊坠预订。

For more information on Black Diamond and Black Diamond product, please visit our web-site at www.

希望中文网站的推出能给各位带来更大的方便。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。