天然金刚石

N含量对天然金刚石塑性变形的影响

Effect of Nitrogen Content on the Plastic Deformation of Natural Diamond

天然金刚石孪晶的X射线衍射与形貌研究

X-ray diffraction and topographic studies of natural diamond

辽宁天然金刚石晶体缺陷的X射线形貌研究

X-ray topographic study of crystal defects in natural diamonds from Liaoning

本文利用透射X射线衍射形貌术研究辽宁天然金刚石晶体缺陷的问题。

This paper is concerned with crystal defects in natural diamonds from Liaoning using transmission X-ray topography .

湖南含籽晶天然金刚石的同步辐射X射线衍射形貌像研究

Natural Diamond with Seed Crystal from Hunan Province and Its Study with Synchrotron Radiation X-Ray Diffraction Topography

但国际天然金刚石市场基本上受DeBeers集团公司控制。

But the international market of natural diamond is basically controlled by De Beers group of companies .

Carlos就像一颗有瑕疵的天然金刚石

Carlos is a diamond in the rough , a flawed man to be sure ,

自支撑金刚石膜基片既具有天然金刚石最高的弹性刚度系数又具有最高声速的优异性能，使之成为声表面波滤波器（SAW）最佳的衬底选择材料，避免了其它基片散热差的问题。

The freestanding thick diamond films combine the highest elastic stiffness coefficient and the excellent performance of maximum speed of sound ; it is a reasonable substrate material with the SAW filter , which can avoid the problem of the poor heat than that of other substrates .

较为详细地介绍了天然金刚石性能、分布、开采及其文化，对国内外著名的钻石进行了评说，对著名的DeBeers公司的起源、运作及发展也作了论述。

The article closely discusses the performance , distribution and culture of natural diamond and made a comment on famous diamond home and abroad . The origin , running and development of De Beers is also stated in the article .

利用傅立叶显微红外光谱、紫外-可见-近红外吸收光谱、低温光致发光谱、拉曼光谱等4种谱学方法，对10颗辐照改色（R1-R10）的彩色天然金刚石进行了研究。

Spectroscopic studies through FTIR , UV-visible-near infrared absorption , photoluminescence and Raman spectroscopy are used to study 10 natural diamonds ( R1-R10 ) with fancy color due to irradiation . These diamonds are classified based on their FTIR characteristics .

天然金刚石平行{100}的正常生长

The normal growth parallel to { 100 } in natural diamond

天然金刚石修整工具的目测定向方法及其应用

Application and measures of eye-sight orientation of natural diamond dressing tools

天然金刚石刀具在整体式波前校正器加工中的应用

Application of diamond tools to cutting of unitary wave - front corrector

天然金刚石形成透明硼皮金刚石的研究

Research of transparent boron-skin diamond formed with natural diamond

天然金刚石刀具的研磨及其刃口半径检测技术

Lapping of Natural Diamond Cutting Tool and Measuring Technique for its Edge Radius

天然金刚石的定向红外光谱研究

Study on the oriented infrared spectra of natural diamond

天然金刚石的红外光谱特征及其分类

Infrared spectrum characteristics and classification of nature diamond

Ia型天然金刚石结构缺陷的同步辐射形貌研究

Study of structural imperfections in natural type - ⅰ diamonds by synchrotron radiation topography

天然金刚石结构中氢的赋存状态

Occurrence of the hydrogen in natural diamond structure

简单可靠的天然金刚石刀具精密刃磨主轴

A simple and reliable method for tool grinding main shaft with crude diamond tool

天然金刚石包体的同步辐射研究

Synchrotron Radiation Study of Inclusion in Natural Diamond

天然金刚石的振动光谱研究

Study on Vibration Spectroscopy of Natural Diamonds

人造金刚石与天然金刚石的比较

Comparison between Natural and Synthetic Diamonds

指出了天然金刚石刀具的刃口锋利度对现代超精密切削加工的重要影响，介绍了国内外天然金刚石刀具研磨技术的发展现状，以及我国金刚石刀具刃磨技术中普遍存在的问题。

It points out the influence of edge sharpness of natural diamond cutting tool on modern ultraprecision cutting .

圆弧刃天然金刚石刀具是加工各类复杂曲面零件的重要工具。

The natural circular arc diamond cutting tool is an important cutting tool by which the complicated curved surface parts can be machined .

单直线刃天然金刚石刀具在切削整体式波前校正器时可能会与待加工表面发生干涉。

The single linear blade diamond tool will possibly interfere with work piece 's surface when it is applied to machining unitary wave-front corrector .

对天然金刚石、人造金刚石单晶及人造金刚石聚晶的性质、特点以及在现代精密加工中的应用作了比较。

Analyses the quality and characteristic of the savageness diamond , synthetic diamond and PCD , compares the applications in the present exactitude machining .

金刚石涂层具有与天然金刚石相同的优异特性：高硬度，低摩擦系数，高耐磨和高导热性能。

The diamond films coating has as high hardness , high wear resistance , low friction coefficient and high thermal conductivity as the natural diamond .

结果表明，在天然金刚石中存在类质同象置换现象，其振动光谱特征随置换元素的不同而不同。

The results show that isomorphous substitution occur in the diamonds and the vibrational spectra characteristics of the diamonds depend on the substitution of different elements .

天然金刚石除用作宝石之外，广泛应用于工业，随着工业的发展，其产量逐年增加。

Besides used for precious stone , natural diamonds are widely used in industry , with the development of industry its production has been increasing year after year .