石墨

The hydrogen precipitation of different metals, platinum, lead, nickel, iron and titanium, were discussed in different pH value and current density. By using Cyclic Voltammetry to study the reduction reaction, copper, titanium, lead, Ti/PbO2 and Ti/MnO2 as cathode respectively, it is proved that sodium metaborate can be electrochemically reduced to sodium borohydride. The kinetic parameters and fractal dimension of these electrode, graphite, lead iron Ti/PbO2 and Ti/MnOa etc, will be researched.

采用循环伏安法，分别以铜、钛、铅、钛、Ti／PbO_2和Ti／MnO_2作为阴极，对该反应进行实验研究，证实了偏硼酸钠电化学还原制各硼氢化钠的可能性；分别对石墨、铅、铁、Ti／PbO_2和Ti／MnO_2等电极在本实验体系中的电极动力学参数(a，b，i_0)及分形维数进行了讨论，认为Ti／PbO_2为该体系中的最佳电极材太原理工大学硕士研究生学位论文料。

This is because the inflation graphite may take the load metal the carrier, moreover the crevice are many, may the very good accommodation nanometer metallics.

这是由于膨胀石墨可作为负载金属的载体，而且空隙多，可很好的容纳纳米金属粒子。

Small amount of metaphosphoric acid is produced and remained on fiber.

磷酸致孔的机理主要是磷酸珠粒的阻碍造成类石墨微晶片层发展不完善，堆叠时发生扭曲或形成缺陷，磷酸与纤维素分子的酯化对微孔的生成有影响。

The microwave- assisted sample digestion method and determination method for pb and cd in the mollugo pentaphylla l. were established.

方法通过对样品消解方法及仪器参数进行优化，建立了粟米草中pb、cd的石墨炉原子吸收光谱测定方法。

Molysite is introduced into releasing agent and with the increasing sensitivity of molysite ,a method for determination of ultra trace gold in rock samples by graphite furnace atomic absorption spectrometry is introduced.

在解脱测定液中引入三价铁盐，并在其增敏下，使用石墨炉原子吸收法测定岩石样品中的超痕量金。

The defects and electronic momenta in graphite and nanocrystalline carbon have been studied by positron annihilation techniques.

用正电子湮没技术研究了石墨和纳米碳中的缺陷和电子动量。

The determination of lead content in naphtha by graphite furnace atomic absorption spec-troscopy was studied with tetrahydrofuran as solvent, nickelous nitrate as matrix modifier and suitable amount of iodine solution added in samples.

将试样用四氢呋喃稀释，加入适量碘溶液，以硝酸镍为基体改进剂，研究了用石墨炉原子吸收光谱法直接进样测定石脑油中的铅含量。

Study on the Percolation Conductive Behavior of the Conductive Composites Using classic statistic percolation theory, the conductivity behaviors of the PET/EG、PA6/EG and PA6/PET/EG composites were investigated, and the percolation thresholds and critical exponents were obtain. The nonuniversal critical exponent should be attributed to the anisotropy of conductivity, the tunneling conduction, the particular structure, the anomaly distributing of the particles and so on.

四、聚合物—石墨导电复合材料的逾渗导电行为运用统计逾渗理论探讨了PET／EG、PA6／EG及PA6／PET／EG导电复合材料的导电机理，得出了各体系的逾渗值和临界指数，并从导电性能的各向异性、逾渗值以上的隧道导电机理、独特的形态结构、导电粒子的不规则分布等方面分析了造成临界指数非普适行为的可能原因。

Both overlong or overshort bottom duration and overlong or overshort fluctuation period are unfavorable for reduction of non-diamond content. Only moderate ones have optimal effects on it.3 Compared with a smooth microwave, a fluctuating one can reduce the diamond nucleation density slightly.4 In fluctuating microwave, even if a higher CH〓 concentration chosen, diamond films with quality better than that of those deposited at a lower CH〓 concentration and in smooth microwave can be obtained.In smooth microwave, the influence of O〓 upon the diamond films＇MWPCVD was investigated. It is found that:1 In the range of lower O〓 concentration, its increase is beneficial to improvement of quality of diamond films, but in that of higher one, its increase conversely deteriorates the quality of diamond films.

在脉动微波下进行了沉积金刚石膜的研究，得到下述结果：1）采用合适的脉动微波，能使金刚石膜的沉积质量显著提高，并能使金刚石膜中的微晶石墨得到几乎完全的抑制。2）过长或过短的平底时间或脉动周期均不利于金刚石膜中非金刚石相碳含量的降低，只有适中的平底时间或脉动周期才有最佳的降低非金刚石相碳含量的效果。3）脉动微波会使金刚石的形核密度有所下降。4）脉动微波下，即使选用较高的CH〓浓度，也能得到沉积质量比在平稳微波下采用较低的CH〓浓度所制备的金刚石膜的沉积质量要明显提高的金刚石膜。

In fluctuating microwave, deposition of diamond films was investigated and some significant results were obtained:1 An appropriate fluctuating microwave can distinctly improve the quality of diamond films, and can grow diamond films almost without microcrystalline graphite.2 Both overlong or overshort bottom duration and overlong or overshort fluctuation period are unfavorable for reduction of non-diamond content. Only moderate ones have optimal effects on it.3 Compared with a smooth microwave, a fluctuating one can reduce the diamond nucleation density slightly.4 In fluctuating microwave, even if a higher CH〓 concentration chosen, diamond films with quality better than that of those deposited at a lower CH〓 concentration and in smooth microwave can be obtained.

在脉动微波下进行了沉积金刚石膜的研究，得到下述结果：1）采用合适的脉动微波，能使金刚石膜的沉积质量显著提高，并能使金刚石膜中的微晶石墨得到几乎完全的抑制。2）过长或过短的平底时间或脉动周期均不利于金刚石膜中非金刚石相碳含量的降低，只有适中的平底时间或脉动周期才有最佳的降低非金刚石相碳含量的效果。3）脉动微波会使金刚石的形核密度有所下降。4）脉动微波下，即使选用较高的CH〓浓度，也能得到沉积质量比在平稳微波下采用较低的CH〓浓度所制备的金刚石膜的沉积质量要明显提高的金刚石膜。

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。