查询词典 fullerene

Excited triplet state of [60]fullerene containing piperidinoxanthate dyad is at 690nm, which has lifetime of 23.7xs in Ar-saturated benzonitrile, whereas that ofparent C60 is at 750nm, with lifetime of 50s, indicating that excited triplet state of

富勒烯C_(60)哌啶黄原酸酯稠合体激发三线态的最大吸收峰在690nm，相对于纯C_(60)发生蓝移用532nm激光激发后，富勒烯C_(60)哌啶黄原酸酯稠合体激发三线态的最大吸收峰在690nm，相对于C_(60)的750nm发生蓝移，在氩气饱和的苯腈中寿命23.7μs，比C_(60)的55μs短，表明环加成反应连接的哌啶黄原酸酯部分具有吸电子性质。

In the chapter four,the main study was focused on [60,70]fullerene reaction with 4,4,5,5-tetramethylidazoline- 2- thione and DL- valine and other α-aminoacids. The results ofcharacterization showed that it was a carbene reaction. The possible mechanism wasput forward based on the results of characterization.

第四章，主要研究了[60，70]富勒烯，4，4，5，5-四甲基咪唑啉-2-硫酮与DL-缬氨酸和其它氨基酸的反应，通过对反应产物的详细的表征，发现该类反应是一个产生卡宾的新反应。

Using DFT combined with the orbital localized approach and Xu's covalence new concepts on a molecular fragment, it is concluded that the covalence of copper atom is 7 in 〓-type clusters and in inorganic fullerene-like molecule 〓, and there are Cu-Cu single bonds in 〓-type clusters.

应用DFT结合轨道定域化的方法和分子片共价的新概念，提出了在〓类簇合物和无机类富勒烯分子〓〓中Cu原子的共价为7，以及化合物中Cu-Cu单键的存在；解释了通常认为这类化合物中Cu-Cu之间没有成键作用而又不能回答较短的Cu-Cu键长的问题。

The second part of the dissertation is about the investigations on structure and applications of fullerene doped optical glasses.

本论文的第二部分是对掺富勒烯激光玻璃的结构与应用探讨。

Besides the SWCNTs, Fullerene C_(60) and its derivatives have also aroused exhaustless interests of researchers ever since their discovery, not only because of their fantastic properties, but also because of their promising utility foreground as new material.

除碳纳米管以外，以C_(60)为代表的全碳分子及其衍生物材料，同样由于其奇特的物理化学性质和广泛应用前景而备受研究人员的关注。

The number of hexagon carbon ring with different polimerity index in the structural representation of fullerene cages Cn, x, y, z and u are solution for indeterminate equation HPI=(Ax+By+Cz+Du)/.

在富氏碳笼的结构表达式中，不同聚合度的六边形碳环的数目x，y，z，u是由不定方程6x+5y+4z+3u=3n-120决定的，该文给出了方程的求解方法。

A novel butterfly-shaped fullerene-diporphyrin triad was designed and synthesized,in which 〓 is in the mid of two porphyrin rings and this structure feature enables it to be apotential candidate for the manufacture of Gr〓tzel solar cell and unimolecular logicalcircuit.

设计并合成了一个新的蝴蝶形富勒烯-双卟啉三元分子并确定了结构，两个卟啉环将〓夹在中间，这样的结构有利于探索增加电子／能量给体数目对电荷／能量向富勒烯传递速率的影响，并且这个分子可望被用于太阳能电池制造和单分子逻辑电路的设计上。

C. Functionalization of [60]Fullerene with Vaporous Reagents via Its Calix[8] arene Complex Supramolacular complexes are applied widely in synthesis chemistry.

结果表明，它们均是有效的硅氢化催化剂，并具有某些独特的催化性能，如在催化苯乙烯的硅氢加成时，以高达85％-100％的区域选择性得到α-加成物。

The reaction of C_(60) with freshly prepared sodium alkoxide solution under aerobic condition was well investigated,which provides a facile protocol to synthesize a variety of C_(60)-fused tetrahydrofuran derivatives with oxygen atom directly attached to fullerene cage.

系统的研究了C_(60)与新鲜配置的醇钠溶液在O_2存在条件下的反应，得到了一系列氧原子直接与C_(60)分子相连的富勒烯四氢呋喃结构的衍生物。

A new compound of merocyanine dye based on [60]fullerene unit (2) was designed, synthesized and characterized by MALDI-TOF, FT-IR, NMR and UV-vis spectra and the allochroic processes were also studied.

设计和合成了一种新的基于C_(60)富勒烯部花化合物2，用质谱、核磁共振谱、红外光谱和紫外光谱对化合物2进行了表征。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。