水分子

All of the neurotherapeutics that are used in clinical practice at present are small lipid soluble molecules that can diffuse through the BBB. Yet these drugs can no longer meet the clinical needs, many brain neurotherapeutics and neuroprotective drugs are large, water soluble molecules.

临床上采用的中枢神经系统药物大多是能够扩散通过血脑屏障的小分子脂溶性物质，而这类药物已经远远不能满足临床需要，很多疾病的诊断、治疗需要大分子、水溶性物质。

The adsorption of polyoxyethylene alkyl ether surfactants (Brij 30 and Brij 35) on synthetic smectite clay nanoparticles and the interactions between them have been investigated through surface tension, zeta potential and rheology properties measurements, showing that Brij 30 and Brij 35 are adsorbed onto Laponite surface, and the adsorption is increased with decreasing oxyethyl groups.

通过表面张力、Zeta电位和流变学参数的测定，研究了聚氧乙烯烷基醚类非离子型表面活性剂(Brij 30和Brij 35)在合成锂皂石纳米颗粒表面的吸附及对Laponite水分散体系中颗粒间相互作用和体系粘度的影响。结果表明，这类表面活性剂能显著地吸附在Laponite颗粒表面上，且吸附量随其分子中POE链长短而不同。

The Emergence of Oxygenic Photosynthesis Plants carry out one of the most difficult chemical reactions in biology: the oxidation of water to protons, molecular oxygen, and, most importantly, high energy electrons for subsequent use in reductive biosynthesis.

产氧光合作用的出现植物执行生物学上最难的化学反应：氧化水产生质子和分子氧，最重要的是，还产生高能量的电子，随后在还原的生物合成反应中利用。

Keywords: Ni, phenethyl malonic acid, crystal structure, water cluster 1 INTRODUCTION Molecular structures of metallic complex and intermolecular weak interaction mode have become the focal fields of crystal engineering and supramolecular chemistry.

主题词： Ni，苯乙基丙二酸的酸，晶体结构，水群 1金属复杂和分子间的弱相互作用方式介绍分子结构成为了水晶工程学和supramolecular化学的焦点领域。

Sulfonic-4-(β-sulphatoethyl-sulphone) phenylamine is often applied to producing bifunctional-soluble reactive dyes and is an important dye intermediate. It plays an important role in the synthesis of KN style reactive dye M style double reactive dye and modified dissimilar double reactive dye. Used 2-sulfonic-4-(β-sulphatoethyl-sulphone) phenylamine as raw material can improve the uniformly dying performance and scourablility of dyestuff molecules and can improve the firm degree of colour staining.

2-磺酸-4-苯胺是制备水溶性双活性染料的重要中间体，在KN型活性染料、M型双活性染料以及改性异种双活性染料的合成中起着重要的作用，用2-磺酸-4-苯胺作原料合成活性染料可增加染料分子的匀染性和易洗涤性，提高染料的粘色牢度。

These novel indocyanines haveing good water solubility, fluorescent properties and photostability, can be used in biological analysis as fluorescent labeling reagents.

设计、合成的新荧光染料具有较好的水溶性、光稳定性和荧光性能，可望在生物分子标记、分析和分离等领域中得到重要应用。

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。

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。

This research consolidated that evolutionary models using w as an indicator of selective pressure provide valuable approaches for analyzing the adaption of protein-encoding sequences. Moreover, it also indicated that Polypodiaceous ferns responded to the terrestrial ecosystem changes initiated by angiosperms through molecular adaption of functional genes such as rbeL.

这些结果一方面显示了基于ω比值检验DNA编码序列分子适应的有效性，另一方面也提示水龙骨类可借助rbcL等功能基因的适应性进化，应对白垩纪被子植物引发的陆地生态系统改变。

Preparation of polyvinylidene fluoride asymmetric hollow fiber membranes was studied by introducing small molecular additives, which include nonsolvents (water, ethanol and 1-propanol) and inorganic salt.

制备聚偏氟乙烯的不对称中空纤维膜的研究，通过引入小分子添加剂，其中包括nonsolvents （水，乙醇和1 -丙醇）和无机盐。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。