金刚石

In order to solve the problem of low efficiency and short service life of hot pressed diamond bit when drilling in hard and compact formation, relations between diamond exposure of hot pressed bit and rock abrasiveness were analyzed in this paper. Research on matrix performances of hot-pressed diamond bit was firstly carried out.

针对在硬而致密岩石中钻进时效低的难题，本文分析了碳化钨基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全刚石出刃，从而能提高钻进速度。

Remember, Adamantine Particles of Creator Light can only be activated / used with loving intention for the highest good.

请记住，创造者光的金刚石粒子为最高利益使用爱的意图仅仅就能被激活。

We have explained that each soul, before incarnating into a physical vessel, is given an allotment of Adamantine Particles of Life for personal use throughout their lifetime.

我们已经解释每个灵魂，在化身进入一个身体容器之前，被赋予分配给金刚石粒子生命供个人使用并贯穿他们的一生。

The effects of adsorbate on moduli and surface stress of the diamond thin films were investigated.

探讨了吸附物对金刚石模量或表面张力的影响。

When adulterated with boron atoms the electric resistance of diamond will drop and it will become a kind of semiconductor.

当金刚石中掺入硼原子后可使其电阻率下降，成为典型的半导体材料。

Alumna grinding wheel with ceramic agglutinative agent is preliminarily selected for the process of raceway of bea ring ring s,120 #/160 # and 160 #/180 # wheel for rough grinding and fine grinding of side faces and inner diameter and outer diameter of ring s respectively.

分析了TiCN材料特点，初步选定粒度为 1 60 #/1 80 #的陶瓷结合剂氧化铝砂轮加工轴承套圈沟道；粗磨和精磨TiCN金属陶瓷轴承套圈端面以及内外径分别采用粒度为 1 2 0 #/1 40 #和 1 60 #/1 80 #的金属结合剂金刚石砂轮，并制定了金属陶瓷套圈加工工艺。

Publisher reports sinking sales and mounting losses, talks BioShock 2, big delays, PS3-360 differences, and DLC release windows for GTAIV; All-Pro Football benched.

出版商报道下沉销售和安装的损失，讲座bioshock 2 ，大延迟， PS3游戏机- 360分歧，类金刚石释放窗口gtaiv ；所有专业足球板凳上。

Fullerene, the third carbon allotrope besides graphite and diamond, was discovered by Kroto et al. in 1985. Since then, the studies of fullerenes has become the worldwide hot topic and significant progresses in many fields have been achieved.

富勒烯为除金刚石和石墨外碳元素的第三种同素异形体，自Kroto等1985年发现以来，对富勒烯的研究一直是世界性的热点话题，并在多个方面取得重要进展。

Diamond, an allotrope of carbon, has many physicochemical properties unrivaled by other known materials, such as superhardness, high thermal conductivity, high spectral transmittance and perfect electrical insulation. Thus it is considered an ideal material for many special applications in mechanics, thermotics, optics, electronics and other fields.

金刚石是碳的一种同素异形体，具有许多其它材料无法比拟的物理化学性质，如超高硬度、高导热率、高光学透过率和极好电绝缘性，因而在力学、热学、光学和电子等领域有许多特殊的应用价值。

This article discussed the diamond cutting machining technology, and some Exploration, analysis and discussion are made on machining parameters used in diamond turning process of Fresnel lens and its impact on the element performance.

本文重点阐述了金刚石车削加工技术，并对菲涅尔透镜金刚石车削加工技术中的有关工艺参数及其对工作性能的影响进行了探索、分析和讨论。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。