二聚的

AIM: To develop a multi-component DNA delivery system which incorporated hepatocyte targeting ligand, DNA compressing domain and endosome disruptive molecule in one complex.

目的：研制含有靶向配基、DNA聚合亚基、溶酶体活性成分及聚乙二醇等多种组分的肝靶向的DNA给药系统。

This article introduces the research progress in the improvement of the tradition wet strength agent and the development of new environment-friendly wet strength agents such as the polyacetal, the glutaric dialdehyde, the high polymer latex and so on.

介绍了国内外改进传统湿强树脂和聚缩醛类、戊二醛、高分子胶乳类等新型环境有好型湿强剂的研究现状及其作用机理，并且指出环境友好型湿强剂是今后研究发展的方向。

Mechanism of poly(dioxanone- co -glycolide) sutures in vitro degradation was studied by DSC and X-ray diffraction and the surface morphology was studied with photography for the purpose of improving properties of absorbable sutures.

用DSC和X-ray衍射法对聚对二氧环己酮-乙交酯缝合线的初期体外降解过程进行了研究，并使用纤维摄影仪对纤维在降解过程中的表面形态变化进行了观察。

In the present work poly is prepared by chemical vapor deposition polymerization from [2.2] paracyclophane. Thermal gravimetrical analysis is used to study the thermal degradation. It is found that the onset of thermal degradation of poly in air is much lower than that in N2 due to the existence of O2 in the air.

用化学气相沉积聚合法制备了聚对亚苯基二亚甲基膜，由傅立叶变换红外光谱图证实了其化学结构采用热重分析研究了PPX的热降解性能，结果表明，在空气氛围中由于氧气的参与，其热稳定性比在N2中差，热氧化降解明显。

A high ordered ladderlike polyhydrosiloxane was successfully synthesized by the strong H-bonding template of N〓, N〓-bis (1-hydroxy-2-methylpropan-2-yl) terephthalamide.

通过强的酰胺氢键模板作用首次合成了高规整性、可溶的反应性有机桥基N，N-二（2-羟基-2-甲基丙基）对苯二甲酰胺聚氢基硅氧烷高分子。

To avoid the low yield in direct hydrosilylation addition of allyamine, 1, 1, 1, 3, 3, 3-hexamethyldisilazane is used to protect the amino groups, and the protective groups are removed easily after hydrosilylation addition, then the high yield of ladderlike copolymethyl-aminpropylsilsesquioxane was obtained.

为了克服将烯丙基胺直接与聚氢基甲基倍半硅氧烷进行硅氢加成反应接枝效率低的缺点，探索用六甲基二硅氮烷对烯丙基胺预保护，硅氢加成反应后再脱保护，从而以较高产率制备了含胺丙基、甲基的反应性梯形共聚倍半硅氧烷。

The Fine-Chemical Team, Kunming University of Science and Technology, adds some purifying agents into the solution of fertilizer-grade monoammonium phosphate, and makes it conform to the necessity of aluminium dihydrogen tripolyphosphate synthesis.

特别提到昆明理工大学精细化工教研室，开展了肥料级磷酸一铵水溶液添加一定的净化剂，可使磷酸一铵水溶液达到合成三聚磷酸二氢铝的要求。

Melamine in eggs was extracted and the protein in samples was precipitated with acetronitrile, melamine was separated on a Luna SCX column (Luna 5u SCX 250×4.6mm) with monopotassium phosphate(MKP 0.05mol/L, pH=3.00), acetronitrile buffer solution (70:30, by volume) as the mobile phase at flow rate 1.50mL/min and the detection wavelength was 240nm, quantitative with external standard method.

采用乙腈作为样品中蛋白质的沉淀剂和三聚氰胺提取剂，流动相为0.05mol/L(pH=3.00)的磷酸二氢钾乙腈缓冲溶液，检测波长为240nm，流速为1.50mL/min，SCX(Luna 5u SCX250×4.6mm)色谱柱进行分离，HPLC-UV检测，外标法定量。

The study investigated the effect of pH and concentration of the dendrimers on the solubility enhancement of nicotinic acid.

为研究聚酰胺胺树状大分子对弱酸性亲脂性药物烟酸的增溶作用，合成了以乙二胺为核的1。

In this paper, we designed and synthesized a molecule of compound 1, 2-(benzooxazol-2-yl)-5-4-(3-(benzothiazol-2-yl) phenylamino-6--1,3,5-triazin-2-ylaminophenol, which can only assembled into an organogel upon a short irradiation with ultrasound in toluene-methanol mixed solvent. DSC, XRD and IR were used to detect the properties and mechanisms of the organogel.

本论文中，我们设计合成了一个有机小分子化合物1，4-氨基（2-羟基苯基）苯并噁唑3-氨基苯基苯并噻唑二辛基胺缩三聚氯嗪，研究发现，在甲苯/甲醇=1：2的混合溶剂中，只有利用超声才能使之形成凝胶，加热冷却的方法不能形成凝胶，而形成针状结晶。

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。