液凝胶

Polyethersulfone with cardo was a developed engineering thermoplastic and membrane material with high glass transition temperature,PES-C ultrafiltration membranes were prepared by phase inversion method using dimethylacetamide as solvent and oxalic acid and polyethylene glycol as additives.The membrane morphology forming and evolution could be observed by the experimental system and method.The effect of additive and polymer concentration on cast solution and the gelation kinetics of polyethersulfone with cardo asymmetric membrane were studied.

采用耐高温工程塑料——含酚酞侧基的聚芳醚砜为膜材料，草酸和聚乙二醇为添加剂， N，N -二甲基乙酰胺为溶剂，并利用改进的凝胶动力学实验装置和方法，使之能真实地再现不同膜孔结构生长及发展演化的过程，借助相关软件对图像进行处理，考察了添加剂、聚合物浓度对铸膜液凝胶速度的影响，对酚酞基聚芳醚砜非对称膜的凝胶过程的动力学进行研究。

Transmission Electron Microscope and other properties testing results show that the complex emulsifier system is the crucial influence factor of the polymerization process and the properties of products. It may influence the coagulum content and reaction rate of the polymerization process, the performance, particle diameter,viscosity, electrolyte stability and storage stability of the emulsion products and the contact angle of the film.The initiator mainly influences the coagulum content and reaction rate.The acrylic monomers mainly influence the solid content, Minimum Film Formation Temperature of the emulsion and the Glass Transition Temperature of the film.The organic silicone monomer mainly influences the water absorption of the film.The reaction temperature mainly influences the reaction rate and conversion.The stirring intensity mainly influences the coagulum content of the polymerization process.

透射电镜等性能测试结果显示：复合乳化剂体系是硅丙共聚乳液的聚合过程及产品性能的主要影响因素，它可以对聚合过程的凝胶率、反应速率以及乳液的外观、粒径、粘度、耐电解质稳定性及贮存稳定性，还有乳液涂膜的接触角等造成不同程度的影响；引发剂主要影响反应速率和凝胶率；丙烯酸酯单体主要影响到乳液的固含量、最低成膜温度以及涂膜的玻璃化转变温度，有机硅单体主要影响涂膜的吸水率等；聚合反应温度主要影响乳液的反应速率和转化率等；搅拌强度主要是影响到聚合过程的凝胶率。

Result show:the solution,extracted from rat rail tendons,consist mainly of type I collagen;No growth of bacteria in 37℃ thermostatic culture box for 72 hours;Absorbing the height of ultraviolet-spectrophotometry is 230 nm by using flicker photometer examination;Amino acid in type I collagen consist of aminoacetic acid(40 per cent) and proline(14.3 per cent);Under microscope:collagen gel netted constraction consist of original collagen fibril that had been fairly well-distributed and had a quite regular striate lines ;The collagen solution prepared collagen gel matrixes in 37℃ thermostasis for culture cells and also prepared collagen solid film by washing collagen gel with a phosphate solution for plasty surgery materials.

结果：提取液主要为Ⅰ型胶原蛋白；72小时37℃恒温培养箱内培养无细菌生长；紫外分光光度计测定，吸收高峰为230nm；氨基酸成分主要为甘氨酸：占40%，脯氨酸：14.3%。显微镜下见：相互交织的胶原原纤维结构组成的网状结构；纤维均匀，有规则横纹。胶原蛋白液在37℃恒温下，可制成凝胶，用于培养细胞；用磷酸液冲洗胶原蛋白凝胶可成固体片状，制成胶原膜，用作医用材料。

Erials, such as instable geltime, low stability, poor underwatererosion resistance and so on, and based on the short geltime features of ordinary cement sodium silicate and alkaliactivated salic cementitious materials, an ideal structure model of high performance sodium silicate suspension twoshot groutingmaterial is established. An experiment is undertaken to verify the solidification value of Na+ and watererosion resistance of a grouting material combined with cement and metakaolinsodium silicate. This paper puts forward a compact structure with a dominant ingredient of—Si—Al—H zeolite gel and a minor part of C—S—H by means of IR and SEM microanalysis method.

摘要］ 针对隧道注浆工程用普通水泥水玻璃双液注浆材料存在凝胶时间不稳定、产物稳定性和抗地下水侵蚀性能差等主要问题，结合普通水泥水玻璃快速胶凝和碱激发硅铝质胶凝材料的特点，建立了高性能水玻璃悬浊型双液注浆材料的理想结构模型，并通过水泥复合偏高岭土水玻璃注浆材料的Na+固化性能和抗水溶蚀性能进行了试验验证，结合IR和SEM微观测试分析手段提出其组成结构应是以—Si—Al—H类沸石凝胶物质为主、C—S—H为辅的复合共存密实结构。

The colour of most detected bands became light in the five media with the order of mannosan, mannose, xylan, glucose and pectin.(4)The pectinase in the supernatant was purified by centrifuge , acetone precipitation and sephadex G-75 cloumngel filtration. The specific activity was increased 9.8-fold with an activity recovery of 32.98%.The molecular weight of pectinase was 42.2KD estimated by SDS-PAGE.

确立了以葡萄糖培养基6h的发酵液为提取果胶酶的最初取样点，发酵液经离心，丙酮沉淀，Sephadex G-75葡聚糖凝胶柱层析后获得了凝胶电泳均一的样品，比活力较原酶液提高了9.8倍，回收率达到了32.98%，用SDS-PAGE凝胶电泳测的纯化后的果胶酶分子量为42.2KD。

In the first part.gelatin-containing microemulsion-based organogels systems composed of isopropyl myristate/AOT/Tween85/H_2O.both with and without a model drug,are investigated by rheological measurements and environmental scanning electron microscope.

利用流变和环境扫描电镜研究了明胶和水溶性药物盐酸布替萘芬对微乳液凝胶微观结构的影响。

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电泳转印槽组件 1。缓冲液槽及带有电缆的盖 2。凝胶支架转印夹 3。纤维衬垫 4。电极丝 5。电极板 6。特级冷却芯 Trans-Blot 转印槽是功能灵活的转印设备，可理想地用于多种转印应用。Trans-Blot 转印槽特点包括：*能进行多胶转印，可容纳3 块PROTEAN I xi 凝胶、6块Criterion 凝胶、12块Mini-PROTEAN 3 或Ready Gel 预制胶*多组参数灵活可设，可调节的电压设置（从30 V 的过夜转印到200 V 的1 小时快速实验）*电极间距设置为8 cm 用于标准印迹杂交，或设置为4cm 用于高强度印迹杂交*可选择板式电极：涂有铂金的钛作为正极，不锈钢为负极，能提供高强度电场和比其它电极更高的电流密度。或选择较经济的铂金电极丝*通过特级冷却芯和水循环仪来调节温度―是天然酶（4°C）或高强度转印的理想选择，随着转印时间增加（多达24 小时），不会引起缓冲液耗竭（在高强度转印中必须使用冷却芯，也推荐用于所有板式电极的应用）*带铰链的凝胶支架转印夹能避免滑动，确保凝胶与印迹膜间的紧密接触；每个转印夹都有颜色标记以保证在转印槽中的正确定位 Trans-Blot 转印槽的锁闭凝胶支架转印夹系统。转印夹（1）支撑凝胶（2）印迹膜（3）两侧有纤维衬垫和滤纸（4）确保凝胶三明治内的完全接触。凝胶夹垂直插入缓冲液槽中（5）。

Using New Zealand rabbit ears cartilage makes chondrocyte suspension, Fibrinogen was mixed with D-hank's makes a final fibrinogen concentration of 50mg/ml mixture solution, then chondrocytes resuspend with fibrinogen solution, chondrocytes-seeded fibrinogen was mixed with thrombin (25U/ml in 40mM calcium choride) to make chondrocytes/fibrin glue polymer. Pluronic F-127 was mixed with D-hank's makes a final Pluronic F-127 concentration of 400mg/ml mixture solution, then chondrocytes resuspend with Pluronic F-127 solution to make chondrocytes/Pluronic F-127 polymer. The chondrocyte concentrations was 10 million chondrocyte/ml of polymer.

为确定纤维蛋白凝胶与Pluronic F-127在注射方式形成组织工程化软骨过程中的优劣，我们进行了如下实验：应用新西兰大白兔耳软骨获取软骨细胞并体外培养，纤维蛋白原应用D-hank's液配制为50mg/ml，然后以纤维蛋白原溶液重悬软骨细胞，再与40mM的氯化钙配制的25U/ml凝血酶混合形成软骨细胞—纤维蛋白凝胶复合物；Pluronic F-127应用D-hank's液配制为400mg/ml，同样用PluronicF-127溶液重悬软骨细胞而形成软骨细胞—Pluronic F-127凝胶复合物。

It was considered that the control of the PRD fluid performance and the dosage of flow pattern adjusting agent PF-VIS were the key of the technique. The viscosity of PRD spudding fluid increased rapidly with the decrease of shearing rate, it indicated that it had good sand carrying ability. The spudding fluid was good capacity of high temperature stability under the low shearing rate, its viscosity was much higher than that of traditional drilling fluid, it was beneficial for cutting carrying in big deviated wells and preventing the formation of cutting bed.

认为要控制好PRD弱凝胶钻开液的性能，流型调节剂PF-VIS的加量是关键；PRD弱凝胶钻开液的粘度随着剪切速率的降低而急剧上升，显示了其优良的井壁携砂带砂性能；PRD弱凝胶钻开液体系具有较好的高温稳定性；PRD弱凝胶钻开液体系在低剪切速率的高粘度，大大高于传统聚合物钻井液，有利于在大斜度井携带岩屑以及防止岩屑床的形成。

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转印条件可调，能在很大的分子量跨度上获得最佳转印效果*耐用的板式电极能产生强大而均一的电场，而且电极在槽内的位置灵活可换；不论运行1、2 或3 个转印夹，电极间距可调节到最小以获得最大的场强和转印效率*凝胶支架转印夹保证整个凝胶与印迹膜表面的均衡接触*转印夹的铰链设计能防止凝胶滑动，便于转印夹组装*颜色标记的转印夹及电极板确保在转印槽内的正确定向*特级冷却芯和冷却水循环器进行温度调节―可理想地用于天然酶或高强度转印，或用于延长转印时间时减少缓冲液的损耗*可选择的组装盘是凝胶三明治和转印夹组装的理想选择 Trans-Blot Plus 转印槽能从单向和双向大格式凝胶上均一、高效地转移蛋白―配合使用新推出的 PowerPac HC 电源，多数蛋白都可在1530 分钟内完成转印。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。