醇凝胶

In this work, a series of poly alcohol acetal derivatives as gelators weresynthesized.

本文合成了一系列多元醇缩醛类化合物，探讨了其结构与凝胶性能的关系，开拓了其在制备纳米材料的实际应用。

The effects of the mass ratio of polyvinyl alcohol and chitosan,the volume of acetum,the concentration of crosslinker on swelling ration are studied and optimized using orthogonal experimental method.

凝胶溶胀度随着聚乙烯醇与壳聚糖质量比、交联剂戊二醛浓度的增大而减小，随着溶剂醋酸溶液体积增加而增大

Or so. What's more, the theory of the films shaping and conducting is discussed. There are some key reactions such as alcoholysis reaction in the processing of Sol preparation, dehydration reaction and condensation polymerization when films are coated and consolidation in the process of desiccation and sinter.

左右。分析了溶胶-凝胶法制备薄膜的形成机理和导电机理，对薄膜形成过程进行分析，归纳出形成过程的化学反应主要有：溶胶制备中的醇解反应、浸渍提拉镀膜中的水解和缩聚反应以及干燥和热处理成膜中的聚合、分解与键合反应。

G. polyhydroxyethyl methacrylate and polyvinyl alcohol. Some potential development and application of the materials are discussed tentatively.

胶原蛋白和一些合成高分子化合物(如聚甲基丙烯酸羟乙酯，聚乙烯醇等)，作为生物材料已得到广泛的应用，而两者形成的复合材料水凝胶具有良好的生物相容性和理化性质，是一类新型的生物材料，具有很大的研究和应用价值。

PES/NMP were used as the model membrane-forming system, H〓, 1butanol, and diethylene glycol (as well as isopropanol and ethylene glycol) was selected as nonsolvent additives.

本文选取PES/NMP为制膜体系，研究NSA——水、正丁醇、一缩二乙二醇在浸入凝胶成膜过程中的作用。

The porous TiO2 anatase nanometer thin films were prepared from alkoxide solutions containing polyethylene glycol PEG by sol-gel method.

锐钛矿型多孔TiO2纳米薄膜可以从含聚乙二醇PEG的钛醇盐溶胶前驱体中通过溶胶-凝胶法制备。

The porous TiO2 anatase nanometer thin films were prepared from alkoxide solutions containing polyethylene glycol by sol-gel method.

锐钛矿型多孔TiO2纳米薄膜可以从含聚乙二醇的钛醇盐溶胶前驱体中通过溶胶-凝胶法制备。

Using ethylene glycol as solvent, all the three source materials were takingpart in polyreaction of gel. The solubility of bismuth subnitrate in ethyleneglycol was accelerated greatly due to the production of nitrate ester during thepolymerization of precursors.

SBT粉体的溶胶—凝胶制备过程表明：在以乙二醇为溶剂时，三种原材料都参与了聚合反应，前驱物聚合反应过程中有硝酸酯产生，因而促进了硝酸氧铋在乙二醇溶液中的溶解性能。

Extracted DNA by CTAB, in proportion to the additions of PVP and β-mercap toethanol to the extraction buffer were capable of preventing browning from taking place in the extraction, Tris-Phenol (Stabilized with 0.1M Tris, pH 8.0)/Chloroform/isoamyl alcohol were used to remove protein and impurity in the second extraction, during crude DNA used to Isopropanol DNA and deterged by DNA detergent, without using RNase remove RNA, we detected the quality and concentration of DNA respectively for normal leaves and drought stress leaves by Agarose gel electrophoresis of genomic DNA and ultraviolet spectrometry photo.

用20%聚乙二醇(polyethylene glycol，PEG6000)模拟干旱，采取CTAB提取缓冲液，按一定比例加入PVP和β-巯基乙醇，用Tris平衡酚－氯仿－异戊醇除去蛋白质及杂质，在粗提时用异丙醇沉淀DNA，并用DNA洗液（10mmol/L醋酸铵，75%乙醇）洗涤DNA，在纯化时用乙醇沉淀DNA，且没有加入RNase去除RNA的方法，分别提取2个品种正常和干旱胁迫的苹果属叶片总DNA，并对提取的DNA进行琼脂糖凝胶电泳和紫外分光光度计检测。

In contrast, Al2TiO5 can not be synthesized at low temperatures using methanol or tert-butyl alcohol as oxygen donor due to their high chemical reactivity resulting in hydrolysis reaction.

以TiCl4和无水AlCl3为原料，以无水低碳醇为氧供体通过非水解溶胶-凝胶法低温合成了钛酸铝，研究了无水低碳醇种类及用量对钛酸铝合成反应的影响。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。