Studies on Soluble Polyimide/ Silica Nanocomposites via Sol-gel Process ── I. Studies on Sol-gel Transition and Reaction Mechanisms

Injectable thermosensitive aqueous polymer solution can be transformed into ( semi-) solid gel at a desired position posterior to being introduced into body through a microcatheter without adding any organic solvent and crosslinker, naming undergoing sol-gel transition at body temperature.

可注射的温敏型聚合物溶液在不加任何有机溶剂和交联剂的情况下，经很小的插管导入体内后可原位形成（半）固体凝胶，即在体温时发生溶胶-凝胶转变。

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Rheological characteristics and kinetics of the sol-gel transition of TiO2 by means of modified Ti ( OBu) 4 through AcAc precursor in different conditions ( such as, pH value, H2O: Ti ratio and temperatures) were studied.

对经过乙酰丙酮改性的钛酸四丁酯为前驱体的TiO2溶胶－凝胶过程进行了不同条件下（pH值、水钛比、温度）的流变特性测量和研究。

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In contrast to it, those polymer derivatives end-capped with the acetate or propionate groups underwent a reversible sol-gel transition as a function of temperature, while the block copolymer capped with the butyrate group precipitated in water.

对应的乙酸酯或丙酸酯封端的衍生物却随着温度变化发生了有趣的溶胶&凝胶相转变，而其正丁酸酯衍生物则在水中发生了沉淀。

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Although there are, mass conservation criterion and the second moment criterion et al. for judging the sol-gel transition in the irreversible cluster-cluster aggregation systems, it is not so convenient for to do it.

关于集团&集团不可逆聚合系统的sol-gel相变，虽有质量守恒判据和尺寸分布函数二次矩判据等可供判断，但这些判据使用起来往往不太方便。

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Dynamic mechanical results shows that the important influence on, phase separation in PVAc/ PMA-IPNs, is from the temperature of synthesis and sol-gel transition during the process of IPNs' preparation.

动态力学的实验结果表明，丙烯酸甲酯的聚合温度和聚合过程中的溶胶-凝胶转变对PVAc/PMA-IPN体系的相容性有很大影响。

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Below the critical point of the sol-gel transition, the equilibrium free energy of sol and gel phases are given based on the intrinsic invariant property of the number faction distribution function.

此外，根据数量分布函数的内禀不变性，获得了临界点之后体系的平衡自由能。

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Results show that some primary factors affect sol-gel transition, gelation formation and quality. These factors include the temperature of solation formation and sol-gel transition, drying time.

对溶胶-凝胶法的研究发现：溶胶形成温度、凝胶干化温度及干化时间等都是影响干凝胶质量的主要因素。

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Tube inverse method was used to test the gelation temperature. Rotation rheometer was used to measure sol-gel transition temperature, elastic modulus and stable viscosity.

采用试管倒转法测定胶凝温度，旋转流变仪测定相转变温度、弹性模量、稳态粘度等流变学参数。

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And the sol-gel transition during the aging and the effects of particle properties on the rheology of the slurry suspension were also investigated.

分析了陈化过程中发生的溶胶-凝胶转变，考察了纳米碳酸钙性能对悬浮体流变行为的影响。

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Solvent Effects on Sol-Gel Transition for Polyelectrolyte Solutions

高分子电解质溶胶－凝胶相转移与溶剂效应

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The results showed that the systems underwent the sol-gel transition with the increase and decrease of the temperature.

结果表明：体系的温度升高和降低时，凝胶可发生热可逆溶胶-凝胶相互转变；

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Study on sol-gel transition of tio_2

TiO2的溶胶－凝胶过程研究

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Rheology Study on Sol-Gel Transition of SnO_2 Systems

SnO2系溶胶-凝胶转变的流变学研究

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Solvent Effects on Sol-gel Transition of Sodium Alginate Solutions

溶剂效应与海藻酸钠溶液溶胶-凝胶相转移

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Kinetic study on sol-gel transition and application of sio_2 sol

SiO2溶胶-凝胶转变过程的动力学研究及应用

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Study on the Rheological Properties of Crude Oil in Sol-gel Transition at Constant Temperature

原油溶胶-凝胶等温转变过程中的流变性研究

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The influence of pH on sol-gel transition was studied.

研究了pH值对溶胶-凝胶转变的影响。

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Studies of the solgel process of chemically-bonded ceramics developed in the CaO-SiO 2-P 2O 5-h 2O system ⅰ sol formation and sol-gel transition processes

CaO-SiO2-P2O5-H2O系统中CBC材料的溶胶凝胶过程研究Ⅰ溶胶的形成及溶胶凝胶转变过程

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Influence of precursor solution chemistry on sol formation. and sol-gel transition and formation of powders, and dependence of the particle structure on crystallite size and particle size, were discussed.

评述了目前对先驱体溶液化学对溶胶的形成，溶胶凝胶转变，粉体的形成影响，以及晶粒尺寸和粒子尺寸与粉体结构的关系。

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Organic Sol-Gel Process for Preparation of Fine Ceramic Powders

制备精细陶瓷粉末的有机Sol－Gel工艺

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