凝胶

The soluble peptidoglycan is gained by short dose benzylpenicillin sodium and sephadex G-100; the SLP reagent kit revealed the prepared soluble peptidoglycan is peptidoglycan; the limulus test showed that the content of LPS in the prepared soluble peptidoglycan(10ng/ml) is lower (0.01ng/ml); the improved LOWRY reagent kit showed the content of protein in the prepared soluble peptidoglycan(1.0mg/ml) was 0.06mg/ml; the optimization condition is 0.75mg/ml of the dosage of benzylpenicillin sodium,1h of the incubation time of benzylpenicillin sodium addition and 5×108CFU/ml of the bacterial concentration.

应用青霉素诱导和Sephadex G-100凝胶柱成功分离得到金葡菌可溶性PGN；所制备的可溶性PGN经SLP试剂检测结果为阳性；动态浊度鲎实验检测制备的可溶性PGN(10ng/ml)中LPS含量小于0.01ng/ml；改良LOWRY试剂检测可溶性PGN(1.0mg/ml)中蛋白含量为0.06mg/ml；青霉素诱导和Sephadex G-100凝胶柱法提取金葡菌可溶性PGN的最佳条件是：青霉素的使用浓度为0.75mg/ml，菌液浓度为5×108CFU/ml，加入青霉素后孵育时间为1h。

Discussion on membrane formation mechanismBased on the Flory-Huggins theory, Phase equilibrium equations of PVDF/DMAc/water ternary system were wrote out, and the binodal and spinodal lines in the phase diagrams of the system were obtained via numerical calculation. Combined the kinetic description and the thermodynamic phase diagram, membrane formation process were analyzed, which prepared the theoretical foundation for the further membrane formation mechanism research.

论文主要从如下四个方面展开：(1)PVDF疏水膜成膜分相机理探讨基于Flory-Huggins理论推导了三元制膜体系凝胶分相组成的线性表达式，并通过&浊点法&测定了PVDF／N，N-二甲基乙酰胺／水／成膜体系的凝胶边界线组成，通过对实验数据的拟合，得到了简捷直观的线性表达式，ln(φ_1)/(φ_3)=bln(φ_2)/(φ_3)+a，误差小于3％。

Vitro Butea Gel Specific skin care for Men, available in the form of gel for private area application.

化妆品体外凝胶特异性皮肤护理，男性的形式提供，凝胶私人领域的应用。

The paper discusses applications and developments of sol-gel method in the fields of electricity, photics, calorifics and composites, and present problems and development trends of sol-gel chemisty are analyzed in material preparation.

介绍了溶胶凝胶理论和技术的历史背景以及研究现状，评述了近年来在电学、光学、热学以及生物-材料等领域中的应用和发展前景，指出了溶胶凝胶化学在材料制备存在的问题和发展趋势。

Penicillin V acylase from the crude culture filtrate of Fusarium oxysporum FP 941 was purified with a single band on non-denaturing electrophoresis by means of (NH4)2SO4 fractional precipitation, adsorption on, and elution from, celite, ion-exchange column chromatography with DEAE-cellulose, and Sephadex G-200 gel filtration chromatography.

通过硫酸铵沉淀、硅藻土吸附、DEAD-纤维素离子交换层析和Sephadex G-200凝胶过滤，由尖镰孢FP941培养滤液中得到了聚丙烯酰胺凝胶电泳均一的青霉素V酰化酶。

Nanocrystalline CeO 2 were prepared by sol gel method using cerous nitrate and citric acid. The powders were analyzed by XRD. It was showed that the synthesized CeO 2 was cubic in structure and CeO 2 particles were basically spherical in shape.

摘 要：以硝酸铈和柠檬酸为原料，采用溶胶凝胶法制备了纳米CeO2 对反应温度、金属离子与配体的摩尔比、凝胶烘干温度、焙烧温度等制备条件对产物的影响进行了研究。

Using cetyl trimethyl ammoniunm bromide as templating agent, the mesoporous TiO_2 with special performance was synthesized by a tartaric acid sol-gel method. The UV irradiation was used in this process.

以十六烷基三甲基溴化胺为模板剂，采用溶胶-凝胶法，在溶胶-凝胶制备过程中引入紫外光照辐射，制备出具有一定特殊性能的中孔TiO2材料。

The structure of these hydrogels is characterized by pH- and electric field-sensitive moieties, azobenzene cross-linking groups cleavable by cecal bacteria and hydrophobic side-chains which may control the swelling properties of hydrogels by adjusting their lengths.

该凝胶的结构特点是：兼备pH、电场双重敏感的特征基团即羧基；含有可被盲肠菌分解的偶氮苯交联基团；带有可控制凝胶溶胀性能的疏水侧基。

According to Q-e equation, EMA and iPMA that are prone to copolymerize with NIPAM were selected to prepare hydrophobically-modified pNIPAM microgels.

根据Q-e方程，通过选择易于与NIPAM共聚的疏水性单体EMA、iPMA，成功制备了疏水性链段在微凝胶网络中无规分布的疏水改性pNIPAM微凝胶。

In the present study,a novel microgel was designed by the incorporation of temperature sensititive N-isopropylacrylamide and pH sensitive acrylic acid to copolymerize with glucosamine derivative,acrylamido-2-deoxy-glucose. The novel microgel has favorable biocompatibility,tissue-targeting and stimuli-responsibility to pH and temperature.

本文利用具有生物相容性的氨基葡萄糖单糖衍生物、具有温敏性的异丙基丙烯酰胺及具有pH敏感性的丙烯酸共聚得到了全新的微凝胶，新型微凝胶具有良好的生物相容性、组织靶向性和对温度、pH的刺激响应性。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐