分子性

The directly computed theoretical harmonic force field was scaled with a set of scaling factors transferred from related molecules to obtain a prediction of fundamental frequencies. The mean deviation between prediction and experimental IR spectrum of γ-picolinic acid in solid phase was 20cm^-^1(23cm^-^1 for in-plane modes, 11cm^-^1 for out-of-plane ones).

直接理论计算的谐性力场经由相关分子转移来的校正因子校正后，得到的振动基频的预测值和固体样品红外光谱实验值之间的平均偏差为20cm^-^1(面内振动23cm^-^1，面外振动11cm^-^1)。

Within carboxylic groups, the coordination properties of carbonyl were studied and tn SEM graphs of picolinic acid, meta-methyl benzoic acid and 2-chloro-benzoic acid systems, a large amount of chains like structures probably caused by crystal growth have been firstly observed.

首次在杯[4]芳烃下沿羟基引进亲电性的三乙氧基硅基异腈酸丙酯，并且根据能量传递与匹配的机理合成了五种新型以改性超分子为功能片段的强键型杂化材料，其中与铽能量传递与发射情况最为优异。

The effects of the crystallization degree, the uniformity of charge distribution, the surrounding hydration cation and the pillaring mode of organic molecule on the interlamellar space of hydrobiotite were finally discussed.

通过X射线衍射与红外光谱进行表征分析，讨论了结晶度、电荷分布均匀性、水合阳离子及不同有机分子柱撑模式对晶层层间距的影响。

The 91% ee value was obtained by the pinacol coupling reaction catalyzed by 15mol% Schiff-base prepared by the chiral 1, 2-Diphenyethylenediamine and 2-pyridinecarboxaldehyde.

2由手性1，2-二苯基二胺与两分子2-吡啶醛缩合的Schiff-Base催化的Pinacol偶联反应，仅用15mmol％的量，可取得91％的ee值，这是不对称Pinacol偶联反应最好的结果之一。

It is the main point to focus on the elucidating of the pathogenesis of PNC as a polygenetic inheritance tumor, primarily establishing of the concept of susceptibility gene groups in NPC and the carcinogenesis model of the multi-step Domino effect involved in the molecular mechanisms of NPC dominated by susceptibility gene groups in order to lay out a substantial foundation for finding the high-risk susceptibility factors of NPC, screening the high-risk population of NPC and exploring the targetic and individual measures in diagnosis and treatment of NPC.

现主要阐述鼻咽癌作为一种多基因遗传性肿瘤的病因发病机制，初步建立鼻咽癌易感基因群的概念和鼻咽癌发生发展过程中易感基因群主导的多阶段性多米诺骨牌效应分子机制假说，为寻找鼻咽癌遗传易感风险因子，筛选鼻咽癌高危人群以及探索鼻咽癌靶向性及个体化的诊断和治疗手段奠定实验与理论基础。

A polygenetic tree, constructed using the nucleotides sequences coding for Der f 2 reported from different regions or countries showed that our sequence was clustered with the strains from Reinbek and Guangzhou.

同源性、相似性、序列比对及分子进化分析提示，该序列与中国广州和德国Reinbek报道的序列亲缘关系较近。

Novel rod like phenylene thiophene based polyhydroxy amphiphiles, derivatives of gallic acid combining three hydrophilic 2,3-dihydroxypropyloxy groups and one alkyl chain via central aromatic linking units, have been synthesized by using Ni, Pd(0) catalyzed coupling reaction as key steps.

以Ni， Pd (0)催化的C-C偶合反应为关键步骤合成了基于苯联噻吩的棒状型多羟基两亲性分子，它们是以棒状芳香核为中心部分，一端带三重亲水的2，3-二羟基链，另一端为带一条烷基链的没食子酸衍生物。

In polymolybdate, the initial raw materials's reducing vulnerability and the related intermediate products in the reaction are prerequisite for the growth of crystal.

在多钼酸盐中，分子生长的先决条件是初始原料的易还原性以及在反应混合物中相关中间产物。

F. leucocephalus , the grizzled leaf monkey Presbytis (melalophos comata , and the ebony leaf monkey T.(cristatus auratus based on the ND3-ND4 gene sequences. The results show all the three taxa are evolutionarily significant units.

基于线粒体DNA ND3-ND4基因区序列的分子系统学分析还说明，白头叶猴虽然不是一个独立的物种，但它是一个进化显著性单元(evolutionarily significant unit)，在保护中应给予特别的重视。

To date, germ-line genetic testing has become the basis for therapeutic decisions in MEN 2 affected patients and can facilitate the early presymptomatic detections of gene carriers.

所以，我们的分析结果显示，所有的MTC患者都应该接受RET原致癌基因的筛检，以便利用分子生物检验法来侦测潜在或de novo的MEN 2或家族性MTC。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。