石墨

The retention mechanism of dencichine on a porous graphitic carbon column seems to be mainly hydrophobic interaction according to the study.

对三七素在石墨化碳柱上的保留及其影响因素的研究结果表明：三七素在石墨化碳柱上的保留机理仍主要是疏水相互作用。

The XRD studies show obvious diffraction peaks associated with graphitic carbon and Co metal. Co particles in the composite are stable even at 2500℃ in inert atmosphere .

复合微球的 X 衍射图显示出明显的石墨碳和金属钴的衍射峰，2500℃石墨化后，复合微球中的钴仍能稳定存在。

Foreign atoms were placed over the sheet at several symmetrical positions, namely, over a carbon atom, over a C-C bond, over the center of a pentagonal, hexagonal, and heptagonal ring. The following conclusions have been drawn: The cohesive energy of adsorbate and perfect sheet at all three adsorption sites is always lower than that on a sheet with a Stone-Wales defect embedded at all five sites.

得到的主要结论如下：所有外来原子在含有Stone-Wales缺陷的石墨烯片上不同位置上吸附的结合能都大于在其在完整石墨烯片上不同位置上的结合能，因此在碳管中引入Stone-Wales缺陷能够提高原子在碳管上的吸附能力，同时提供了很多稳定的吸附位置。

In this paper, beginning with the characteristic of space structure of graphite, we explain its layer structure and choose lattice in a layer which is called hexangular lattice as our studied object.

本论文从石墨的空间结构特点出发，说明了其层状结构，并且把石墨一层内的晶格即六角格子作为研究对象。

At the beginning, the coefficient of friction changed intervein.

在摩擦初始时，摩擦系数呈现交错变化，随时间的推移，摩擦系数出现分化，石墨化度高的试样摩擦系数较低，当石墨化度增加50%时，磨损率增加0.05%，磨损量变化不是很大。

The development history of the homogeneous graphite produced by cold isostatic pressing in China is reviewed.

评述了国内冷等静压各向同性石墨的发展历史，介绍了各向同性石墨的生产企业及其产品性能与应用。

Friction coefficients and lubricative mechanics of Al-Fe-V-Si heat resistant aluminum under four conditions were researched by method of annulus compression, without lubricant, but in the presence of pure aluminum, graphite+oil, pure aluminum+graphite+oil.

摘 要：采用圆环压缩法检测Al-Fe-V-Si系合金在喷射沉积高温时变形的摩擦因数，研究未加润滑剂、加石墨+机油润滑、加纯铝润滑、加纯铝+石墨+机油润滑4种条件下的摩擦因数随变形温度变化的情况，并探讨其润滑机理。

The metamorphous graphite in the section center of heavy section S.G.

大断面铸件中心的变态石墨是过球化石墨。

This invention provides a method of processing the coke microlite high distinguishes the radio mirror picture, its may obtain the primitive coke HRTEM picture transformation the clear graphite microlite stripe chart, and may be directly used to calculate graphite microlite size and slice space parameter, and so on.

本发明提供的焦炭微晶高分辨透射电镜图像的处理方法，其可以将原始的焦炭HRTEM图像转换得到清晰的石墨微晶条纹图，并可直接被用于计算石墨微晶的大小和层片间距等微晶参数。

When the carbon microsphere s are graphitized under the protection of Ar at 2100～2600℃,closed-cell carbon microspheric form of graphitic structure is produced.

依据微胶囊化原理，用热固性线型酚醛树脂制得微胶囊，加热去除囊芯后用作先驱体，在N2保护下进行900~1100℃的碳化处理得到具有无定型碳结构的闭孔碳微球，然后在Ar气保护下进行2100~2600℃的石墨化处理，得到具有石墨结构的闭孔微球碳泡沫材料。

John Robbins lives with his family in Santa Cruz, California.

约翰罗宾和家人居住在加利福尼亚州的圣克鲁斯县。

The international background is mainly the economic ties among different nations tented to be widen and deepen at the peace and development times.

国际背景主要是和平与发展时代条件下的世界各国经济贸易联系的日益加深。