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Based on this model, the structures, dipole moments and the nuclear magnetic resonance parameters were calculated for a series of functionalized nanotubes, including nitrene and carbene modification, as well as 1,2- and 1,4-fluorination.

本文采用C80H20模型来表示(10，0)碳纳米管，基于此模型计算了一系列氮烯、卡宾和氟化的单壁纳米管的结构、偶极矩，以及核磁共振参数。

This thesis is mainly about the research on the synthesis, structures and reactivity of di-or tri-metal bridging carbene and bridging carbyne complexes

过渡金属桥卡宾和桥卡拜络合物本身即为简单的金属原子簇化合物或是合成金属原子簇化合物的重要前体，在有机合成和烯炔烃的聚合和异构化等催化反应中有广阔的应用前景以及在某些过渡金属参与的反应的机理研究中具有重要的研究价值。

The structures of the trimetal bridging carbene complex 28 and the ion-pair bridging carbyne complex 31 have been further confirmed by X-ray diffraction studies.

在与羰基金属阴离子络合物PPN和Na的反应中，我们得到了桥卡宾碳键合氢的桥卡宾络合物，并对两个此类桥卡宾络合物进行了晶体和分子结构的研究。

This thesis consists of three main parts of the research work on the syntheses, structures and reactivities of the olefin-coordinated transition metal carbene and carbyne complexes. In chapter 1, on the basis of our previous research works on the reacitivites of the cationic carbyne complexes of transition metals with metalcarbonyl anions, we explored the reactions of the cationic carbyne complexes of manganese (1) and rhenium (2) with polymetalcarbonyl anions, and developed a new method for the preparations of heternuclear trimetal bridging carbyne complexes.

本论文对烯烃配位的过渡金属卡宾和卡拜络合物的合成、结构和反应性能进行了研究，主要进行了如下三方面的工作：第一章在本小组过去的研究基础上，进一步考察锰和铼的阳离子卡拜络合物1和2与羰基金属阴离子化合物的反应，用来合成异核多金属桥卡拜络合物，发展合成多金属桥卡拜络合物的新方法和新路线。

The complicated structures and various forms of carbonaceous mesophase make the raw materials and production process involved more complicated.

碳质中间相产品的结构复杂、形态各异，造成了生产这些产品涉及的原料和处理过程的多样化。

In addition,a simple durability design method for carbonation of structures is put forward.

提出了碳化环境下的预应力混凝土结构构件的耐久性实用设计方法。

This article discusses the mechanism and factors of concrete carbonation of the reinforced concrete structures, and sums up a few models of concrete carbonation depth.

文中讨论了钢筋混凝土结构的混凝土碳化机理及碳化速度的影响因素，总结了混凝土碳化深度的多种计算模型。

In this dissertation, we have prepared 15 new MOFs by using different organic carboxylate ligands, and analyzed their topology structures as well as explored their multifunctional properties.

本论文依据晶体工程学原理，从金属有机骨架晶体材料的功能性出发，主要研究这类化合物的合成、拓扑结构和多功能性质，旨在探索金属有机骨架晶体材料的结构多样性；并在结构研究的基础上，开发新型次级结构单元以及具有新颖拓扑结构的金属有机骨架晶体材料的设计合成与性质应用。

The oxidants careen about, binding to and disrupting the membranes, proteins, DNA and other cell structures that make your body work.

氧化剂四处横行，结合到细胞膜、蛋白质、DNA，以及其他使身体正常运作的细胞构造，并加以破坏。

Extension of these pathways with other carotenoid modifying enzymes led to the production of novel structures in E.

扩大这些通路与其他类胡萝卜素修饰酶，导致生产的新型结构在大肠杆菌。

"The operators will suffer a temporary decrease in the number of consumers and short message services as people may not like having to provide their ID cards for a phone number," Xu Junqi, vice-dean with the Policy-Making Institute of the Telecommunications Research Centre under MII, said yesterday.

信息产业部下属的通信决策研究院副主任徐俊其昨天说：&实行手机实名制后，人们可能不太情愿用身份证注册手机号，所以通信运营商会暂时面临用户减少和短信用户减少的问题。&

I don't believe in make-believe!

我不相信这些虚构的故事。