石墨

The dispersity of expanded graphite particles in the composite was researched by means of SEM.

并采用SEM法研究了膨胀石墨在复合材料中的分散状态。

The development of the lead free cutting brass containing bismuth and graphite/copper composite was summarized.It can be concluded that the key points for cutting brass containing no lead are the choices of elements which can form brittle but not hard intermetallics and procedure which can make the intermetallics distribute dispersively.

详细介绍国外无铅易切削铋黄铜研究开发的一些成果和石墨/铜合金复合材料的研究情况，总结国内无铅易切削铜合金的研究情况，结合自己的研究结果，指出无铅易切削铜合金的研究方向是采用适当的元素形成脆而不硬的金属间化合物，并采用一定的加工手段使其呈弥散分布。

Interestingly, a diluted dodecane gel of compound 2bdeposited by spin-coating on freshly cleaved HOPG leads toself-assembly of molecular fibers that follow mainly thepreferential crystallographic directions of the underlyingHOPG substrate (Figure 5c).

有趣的是，稀释┼二烷凝胶复合乙交存旋压新鲜剥离涂层导致高定向自我遵循纤维主要是分子组装底层优惠结晶方向高定向裂解石墨基板（图5c）。

By the B3LYP calculation of DFT, the difference in changes of energy and charge of ion probe C〓 and C〓 interacting with hBN and graphite respectively and the difference in frontier orbital energy level reveal difference in electroaffinity of hBN and graphite. It could be indicated that hBN only shows weak electropositivity, and will not be able to accept electrons from metal.

根据密度泛函B3LYP方法的计算结果，从六方氮化硼与石墨的前线轨道能级和两者对离子探针的作用能及C〓和C〓的电荷变化不同所表现出的在电亲和性上的差异，揭示了金属难以插入六方氮化硼层间的原因是六方氮化硼仅显弱的电正性，不能接受金属转移来的电子。

It was revealed that they all had better electrocatalysis than graphite electrode.

研究表明，与石墨电极相比，金属/聚吡咯电极对电解析氢反应有较好的催化性能。

The invention relates to an electrochemical method for preparing ultra-fine tantalum powder, wherein it uses the mixture slat flux with CaCl2 or CaCl2 as electrolyte; composites Ta2O5 powder/block with metal collector as solid cathode; uses graphite or inertia anode as anode; uses reference polar to control the electrolysis level, under inertia gas to electrolyze at 500-1000Deg. C; and the electrolysis time should make electrolysis electricity reach needed amount; reduces Ta2O5 into ultra-fine metal tantalum powder.

本发明涉及一种超细钽粉的电化学制备方法，以CaCl2或者含有CaCl2的混盐熔体为电解质，将Ta2O5粉末或块与金属集流体复合作为固态阴极，以石墨或惰性阳极作为阳极，用参比电极控制电解电位在惰性气氛保护下进行电解，电解温度控制在500-1000℃，控制电解时间使电解电量到达到理论所需电量及以上，将五氧化二钽电化学还原为超细金属钽粉。

Cases of jet dyeing machine for bearings, graphite bearings, bushings bakelite, various models of the chain, supporting all types of mechanical bearings, stainless steel bearings, the specifications Eleusine indica scraping pulp knife, with the market model in urgent need of special specifications of goods.

例喷射染色机专用轴承，石墨轴承，胶木衬套，各种型号链条，各类机械配套轴承，不锈钢轴承，各规格牛筋刮浆刀，具备市场急需特殊规格型号商品。

Using ethyne as source gas, CNTs were successfully synthesized by CVD method. By comparing different synthesis technics, the influences of parameter to the grow of CNTs, such as catalysts, growth time, reaction temperature and ratio of all kinds of carrier gases were investigated. The results showed that the influence of carrier gas, reaction temperature, and the growth time on synthesis of CNTs was significant. In conclusion, a better condition for carbon nanotube growth was obtained. Through analyzing Raman Spectrum of samples, GM and SWNTs' characteristic peak-RBM was indicated.

采用乙炔为碳源、氢气和氩气为载气，利用气相催化热解法在AAO模板上成功的制备出了纳米碳管，用TEM，SEM，EDS，Raman等表征方法研究了生长温度、裂解时间、载气含量和不同催化剂对碳纳米管的石墨化程度、产物形态的影响，指出了单壁碳纳米管的特征振动模式—径向呼吸振动模以及拉伸振动模式G模，缺陷导致的D模，并采用蒸金后的样品进行了场发射的测试，得到了F-N曲线，与理论符合较好。

The graphite and acetylene black are added to a anode material in making Zn-Mn battery, therefore the sample solution prepared appears as feculency and the titration end point of the solution is difficult to judge when active manganese in the battery is determined by iodimetry with starch as a indicator.

在测定锌锰干电池锰粉中活性二氧化锰含量时，由于制备电池时正极锰粉中添加了乙炔黑、石墨等导电材料，使制得的样品溶液显色且混浊，影响用淀粉作为指示剂进行碘量法滴定终点的判断。

Blood lead concentrations were analyzed by seven participating laboratories, each used flameless atomic absorption spectrophotometry and followed the same protocols for BLL measurements.

每个受到实验室参考标准的样本处理分析程序，以石墨炉原子吸收光谱仪来测试血液样本中的铅含量，并需於收到测试样本两个星期内完成测试工作。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。