氮化的

The results of clinical assessment showed that levosimendan was safe and effective which could improve the prognosis of the patients and kept normal blood kinetics. By improving the reported synthetic route, levosimendan was synthesized from acetanilide via eight steps of reaction.

本论文探索了左西孟旦的合成路线，对文献报道的合成工艺进行了合理有效的改进，以乙酰苯胺为原料，最终经Friedel-Crafts反应，羰基α-位溴代，丙二酸二乙酯缩合，水解，脱羧，环合，拆分及重氮化加成等八步反应合成了左西孟旦。

In the chapter 2 of this dissertation, we studied the cross-coupling reaction of aryl halides and vinyl iodides with sodium azide under the catalysis of copper and amino acids.

在4-碘茴香醚与叠氮化钠的模型反应中，我们考察了不同溶剂、氨基酸、碱、铜盐对反应的影响，最后筛选出了最佳的反应条件：CuⅠ/脯氨酸/NaOH/DMSO。

It is well known that hexagonal boron nitride is a kind of non-magnetic material with high heat conductivity and is an ideal matrix material of nanocomposites.

六方氮化硼是一种非磁性绝缘材料，具有高的热导率，是一种理想的复合材料的基体材料。

The electron displacement polarizabilities in the hexagonal boron nitride crystal are evaluated by the new model. The results are compared with those from the classical models to point out the applied scope of the new model.

根据该模型计算了六方氮化硼晶体的电子位移极化率，并与经典模型的计算结果进行了比较，进一步分析了所提出模型的适用范围。

As a result of diamond, cubic boron nitride of high prices, with good wear resistance, and the consolidation of their manufacturing and general abrasive abrasive abrasive different consolidation, with the exception of super-hard abrasive layer, there are transition layer and matrix.

由于金刚石、立方氮化硼的价格高、具有很好的耐磨性能，用它们制造的固结磨具与普通磨料固结磨具不同，除超硬磨料层外，还有过渡层和基体。

The phonon dispersion curves of single wall boron nitride nanotubes were calculated.

计算了单壁氮化硼纳米管的声子色散关系，给出了扶手椅管和锯齿管拉曼和红外活性模的频率随管径的变化规律。

Microstructure-evolution of the silicon nitride ceramics sample during sintering process was investigated by a synchrotron radiation X-ray computed tomography technique. The projection images of the sample were obtained during the sintering process in real-time. 2-D and 3-D reconstructed images were obtained by treating the projection images of different sintering periods with filter back projection arithmetic and digital image processing methods.

利用同步辐射CT技术，在氮化硅陶瓷样品烧结过程中对其进行实时投影成像，并应用滤波反投影算法和数字图像处理技术，得到了样品在整个烧结过程中内部微结构演化的二维和三维重建图像，实现了对陶瓷固相烧结过程实时、无损的观测。

The presented results can be used to highlight the different deformation mechanism for the base material and for nitrided surfaces.

给出的结果可以用来突出不同的变形机制为基础材料和氮化表面。

Novel Pt-substitution doped (5, 5) single-walled BN nanotubes were studied with density functional theory.

采用基于密度泛函理论的PBEPBE方法对铂掺杂的氮化硼纳米管进行了理论研究。

In recent years, there is a large improvement on the luminous efficiency of LEDs. However, there are some problems in LED ESD protection.

近年来，氮化镓基LED在发光效率上有很大的进展，不过在静电防护上却还有很大的改善空间。

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。