金刚石

According to various of the technical difficulties such as low drilling efficiency in hard rock and short service life of diamond drilling bit, analysis was made on the inherent links between blade-extruding of hot-pressing diamond and rock abrasiveness.

中文摘要：针对在坚硬致密岩石中钻进时效低和钻头使用寿命短的技术难题，分析了热压钻头的金刚石出刃与岩石研磨性等岩性之间的内在联系，认为钻头的胎体成分及其性能是关键，硬而带脆性的胎体性能有利于金刚石出刃，从而能提高钻进速度。

Effect of diamond grits as an additive on Ni-Al SHS reaction process was studied. The morphology of reaction products as well as the surface morphologies and the compressive strength of diamond after reaction were investigated.

本研究主要针对Ni-Al自蔓延反应燃烧过程和加入金刚石磨料后的变化，其反应产物的微观形貌，以及SHS反应后金刚石的表面特征及强度的变化进行的探讨。

By deciphering the natural, historical and cultural mystery concerning night-shining jewel and proposing archaeogeological theory and methods regarding diamond exploration, both for the first time in the international academic communities, and by taking night-shining jewel that was interpreted as large diamond as an example, the author has already demonstrated in 2004 that the history of development and utilization of large diamond in China can be traced back to the period of Emperors Yu, Shun, Yao 4000 years ago, and even further to the period of Emperor Yan 4500 years ago.

通过在国际学术界首次破解夜明珠这一世界性的自然、历史、文化千古之谜和首次创立金刚石考古地质学的理论和方法，以夜明珠就是中国古代巨粒金刚石为例，证明了中国巨粒金刚石开发利用的历史可以一直追溯到4000年前的禹舜尧时期甚至4500年前的神农炎帝时期。

As for this method, the variation of diamond on the same matrix surfaces in the process of drilling was shot continuously, and the wearing mechanism of diamond bit was observed and analyzed microscopically, from which the two new conclusions had been obtained.

该方法通过连续拍摄钻头钻进过程中同一胎体面上的金刚石变化，从微观上观察分析了金刚石钻头的磨损机理，得出了两个新的结论，可供孕镶金刚石钻头的设计和使用参考。

In this paper, the principle, model, characteristics, materials, technics and applied example of electroplated diamond wire saw are summarized. And the further development of electroplated diamond wire saw is also forecasted.

综述了电镀金刚石线锯的原理、模型和特点，以及制备过程中使用的材料（基体材料、金刚石和电镀液）和工艺及其应用实例，并对电镀金刚石线锯的进一步发展进行了展望。

By applying the technologies of diamond brazing and orientation of the diamond grains to the beads' manufacturing, the diamond wire saw can be used in some special area as its high cutting efficiency. And it will have very important meaning to developing wire saw with minor diameter beads as used to cutting precious materials.

其金刚石分布更为均匀，合金烧结密度更加合理；串珠金刚石钎焊技术和金刚石定向排布技术的应用，因其切割的高效率在一些特定的领域得到了很好的推广；小直径串珠的开发成功，对珍贵材料的切割有着十分重要的意义。

The eternal goal for diamond Synthesize is to make bigger reaction chamber, to increase the utilization ratio of space, materials and energy resources in the process of diamonds synthesizing and to improve the thermal stability of the diamonds.

稳定地实现大腔体金刚石合成，大幅度提高金刚石合成中的空间、材料、能源利用率及提高金刚石的热稳定性等，是工业钻石合成永恒的研究内容。

Results of experimental research on diamond surface metallization with electrolyse plating and vacuum plating show that strength, thermal stability and penetration rate of metallized diamond are much better than that of nonmetallilized diamond, and performances of diamond plated with Ti are the best among all plated diamonds.

利用化学镀和真空镀 2种方法对金刚石表面进行金属化处理的试验研究结果表明，镀膜金刚石较未镀膜金刚石的抗压强度、热稳定性等性能和碎岩效果均有很大提高，其中真空镀Ti的效果最好。

An important method to improve the sawing effectiveness is to optimize the base and sawtooth structure s of diamond saw blades.

金刚石圆锯片是金刚石类工具中消耗量最大的刀具，优化金刚石圆锯片基体及锯齿结构是改善锯切效果的重要途径。

Hot cathode glow discharge chemical vapor deposition is a new method to deposit high quality diamond films with high deposition rate.

中文题名热阴极辉光放电及其等离子体化学气相沉积金刚石膜研究副题名外文题名 Study of hot cathode glow discharge and its plasma chemical vapor deposition of diamond films 论文作者白亦真导师金曾孙教授学科专业凝聚态物理研究领域\研究方向学位级别博士学位授予单位吉林大学学位授予日期2001 论文页码总数139，10页关键词金刚石膜薄膜制备热阴极辉光放电等离子体化学气相沉积馆藏号BSLW /2003 /TB43 /1 热阴极辉光放电等离子体化学气相沉积是我们建立的快速沉积高品质金刚石膜的新方法。

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。