金刚石

The advantages and prospects of moissanite anvil cell for high-temperature and ultrahigh-pressure experiments studies are reviewed.

并对碳化硅宝石作为金刚石的替代品，制作成的碳化硅压腔在完成超高压高温实验方面的优势和应用前景进行了评述。

The results showed that the three kinds of prealloy powder have excellent low temperature sintering characteristics and good wear resistance. They have excellent physical and mechanical characteristics close to ultrafine cobalt and imported prealloy powder, good retention to diamond and excellent bonding momental for high frequency brazing. At one time, they have lower cost and reduced dosage.

结果表明：三种预合金粉末有着优良的低温烧结性能和耐磨性，表现出接近于超细钴和相当于国外代钴粉末的优良的物理、机械性能，对金刚石把持力高；具有高的高频钎焊结合力矩；粉末成本较低，用粉量可降低。

These CRM's are for analysis of potassium niobate and boron-doped diamond by microbeam methods.

Fe2O3 0.12 此类标样用于铌酸钾和含硼金刚石的微束分析。

Wear model and characteristics of the second cutting deformation zone,that is,between the rake face of cutter and chips were investigated by carrying out diamond PCD cutter ultraprecision machining test of SiC noncontinuous reinforced aluminum composites,and measuring analysis with atom force microscope and scan electronic microscope.

通过金刚石PCD刀具对非连续S iC增强铝基复合材料的超精密车削加工试验，考察了刀具第二切削变形区的摩擦磨损性能，并提出了相应的模型；采用爆炸式快速落刀装置制备出切屑根并分析了积屑瘤的影响因素；采用原子力显微镜对PCD刀具的刃口磨损形貌进行观察，并分析其磨损机理。

It is obvious that, in the interface between substrate and diamond film,there exists the lattice strain effect resulting from lattice misfit because ofthe difference between the lattice constants.The lattice strain effect willcause some nonnegligible influences on the processes of diamond films′growth.

在本论文中，我们首次提出了在异质衬底上研究金刚石薄膜生长机理时必须引入晶格应变效应微扰修正的物理思想，并借鉴固体能带应变微扰理论，首次在分子轨道理论框架下建立起计算晶格应变微扰效应的理论，其中包括提出了计算单个化学键应变张量的方法和由分子轨道波函数计算应变微扰Hamilton矩阵元的方法。

And regular e-mail carving process differences between an ordinary e-carving process control by making-workstation with diamond engraving-pin oscillometry high speed electronic carved head impact surface rotating version, resulting in the net impact of point to form a network.

与别致电子雕镂工艺的差别别致的电子雕镂工艺是由拆版处事站把持带有金刚石雕镂针的电子雕镂脚低速振荡撞击回旋扭转的版滚筒暗不天，变不败网穴(撞击一次变不败一个网穴)。

Residue organic matter pollution is introduced in Post-CMP.The theory of the oxidability of peroxide synthesized by the BDD anodes used in the electrochemical is introduced.

提出硅片化学机械抛光后表面残留的有机物污染，介绍金刚石膜电化学合成过氧化物的方法与原理。

According to the characteristic of organic matter is liable to be oxygenated and decomposed,using the oxidability of peroxide synthesized by the BDD anodes used in the electrochemical to oxidative decomposes residue organic matter and coordinates with ultrasonic cleaning,combining with physical and chemical method,thus achieves,the goal of wiping off residue organic matter.

根据有机物易被氧化分解的特性，采用金刚石膜电化学法合成过氧化物，利用过氧化物的氧化性氧化分解硅片化学机械抛光后表面的有机物残留配合特选的表面活性剂，并加超声清洗，物理化学方法结合，从而达到去除有机物污染的目的。

In this report,ultra-fine diamond powder after rough purification was used as raw material,of purification ,some kinds of reagents,such as cerium,fluoride and persulphate,were are selected to test their effects of purification .

以工业生产的粗提纯人造超细金刚石微粉为原料，从提纯原理的基础出发，采用铈盐、氟盐、过硫酸盐等试剂进行了提纯实验，并对每种试剂的实验结果、提纯工艺等进行了综合的分析比较。

The result develops new field for petrological research and provide clues for the prospecting of diamond, topaz, phosphorous and magnesium dep...

它们将成为今后岩石学研究的新领域，同时也是今后寻找金刚石、刚玉、磷、镁等矿产的线索之一。

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％。