分子性

Molecular configurations in LB films undergo change from keto form to zwitterion assurface pressures increase,companied by intermolecular hydrogen bonds decreaseand intramolecular hydrogen bonds increase.

在LB膜中，随表面压增加，分子间氢键减少，分子内氢键增加，SBC18头基构型在转折区发生醌式→双性离子构型转变。

When surface pressures are lower than the turnover(5～30mN/m),intermolecularhydrogen bonds were formed with keto form and phase transition was higher ca.60℃;most of SBC18 formed intramolecular hydrogen bonds companied withzwitterion form and phase transition was lower ca.48℃ while at surface pressurehigher than the turnover(≥45mN/m),which is caused by the different interchaininteraction arising from various hydrogen bonds for SBC18 LB film deposited atdifferent surface pressures.

低于相应π-A等温线转折(5～30mN/m)时，以分子间氢键为主，头基主要以醌式构型存在，相变温度较高(≈60℃)；高于转折(≥40mN/m)时，以分子内氢键为主，头基主要以双性离子构型存在，相变温度较低(≈48℃)。

Kier s molecular shape indices(~1 K,~2 K)are calculated for 165 nonionic organic compound s.

通过分子形状指数及苯环因子建立有机物生物富集因子B_(CF的良好QSAR模型，计算了165种非离子性有机物的分子形状指数(~1K、~2K)。

The results showed that the decomposition of 4-nitroimidazole began with the split of the C—NO2 bond in the temperature range of 185—210℃. The strongly oxidative product NO2 destroyed the instable annulus of 4-nitroimidazole instantly, all the other C＝N, C＝C, C—H and N—H bonds of the five membered ring were broken simultaneously, and the detected gas products of 4-nitroimidazole decomposition were NO2, CO2 and CO.

结果表明，4-硝基咪唑的催化热分解起始于其分子中C-NO2化学键的断裂，温度范围是185~210℃。C-NO2键的强氧化性的裂解产物NO2瞬间作用于4-硝基咪唑分子中不稳定的五员环，使化学键C=N、C=C、C-H和N-H同时被打破。4-硝基咪唑的气体分解产物包括NO2、CO2和CO。

The third part of this work focuses on thestudy of biomèmetic films in somewhatpractical environments by means of FTIR,resonanceRaman,Ultraviolet-Visable spectroscopy.

第三部分的工作是将两亲性分子的仿生膜引入到真实的界面环境中，应用FTIR，共振拉曼，UV光谱等手段对界面单分子膜及黑膜进行了研究。

A surface-modified adsorbent is a support bearing at the surface of a chemically bonded "monomolecular" layer of adsorbing groups, which provides fast kinetics of the recovery and elution of the molecules and ions under study.5–9 SPE by use of alkyl-bonded silica gels has been widely applied in the environmental analysis of polyaromatic hydrocarbons, pesticides, substances of biochemical origin and other organic compounds.

表面改性吸附剂是一种载体，它负载在一层化学键合的单分子吸附性官能团的表层，为所研究的分子和离子的回收和洗脱提供了快速动力。使用含烷基的硅胶的SPE技术已经被广泛应用到芳烃聚合物、农药、生物成因物质以及其他有机化合物的环境分析中。

It was showed that the imprinted polymer has good affinity and marked selectivity for the template molecule, and can be used to determine the trace amount of TBZ in biological and environemtal samples in an off-line mode. This methodology may be important for accurate investigation and determination of TBZ levels in the environmental and biological matrices.

研究结果表明，戊唑醇分子印迹聚合物对模板分子具有很强的亲和性和显著的选择性，可离线富集各种环境和生物样品中痕量的戊唑醇，在戊唑醇检测中具有实际的应用价值。

Most importantly, our team are famous for much research on ecology, physiology,molecular phylogenesis of bats at home and abroad, we have gained much originative result in this field, and we firstly found and studied the third piscivorous bat, Myotis ricketti.We provide evidence that the species Myotis ricketti is piscivorous, and close negative relationships were found firstly within Rhinolophidae and Hipposideridae between call frequency and ear length. Some species of taxology status in rhinolophidae were studied by molecular phylogenesis; phylogenesis relationship between rhinolophidae and hipposideridae and different populations of miniopterus schreibersii were also studied; we also studied Social structure of Tylonycteris pachypusa and T. robustula and the isolating mechanisms of ecological niches.

在蝙蝠生态、生理、和分子系统进化领域完成了大量研究，奠定了本项目组在此领域中的国际地位，首次在国际上证实性发现并系统研究了世界上第3种食鱼蝙蝠--大足鼠耳蝠；首次提出菊头蝠科蝙蝠回声定位叫声频率与耳长负相关；利用分子系统学研究方法澄清菊头蝠科内一些种的分类地位，菊头蝠科和蹄蝠科的关系，以及普通长翼蝠种群间的系统进化关系；系统地研究了扁颅蝠属仅有两个姐妹种的社会组织结构和生态位分化。

With the progress of molecular biology and the recognition of molecular pathology, the studies of s...

随着分子生物学技术的发展和对疾病分子病理学认识的深入，使得某些难治性疾病的研究进入了基因治疗的时代。

The 1, 3-disubstituted phenylene structure led to bend in the molecular chains of LCP-111 and LCP-116, so that their melting points are lower than that of Xydar, resulting in lower processing temperature and heat resistance.

由于LCP-111和LCP-116的分子链中均引入了间位取代的苯环结构，其分子链发生了弯折，因此它们的熔点均低于全对位结构的Xydar的熔点，但同时也降低了耐热性。

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。