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1)  volume phase transition
体积相转变
1.
Meanwhile,effects of salt concentration and pH value on the volume phase transition temperature of microgels were estimated.
通过测定不同温度和pH条件下微凝胶浊度变化,表征微凝胶的温度及pH敏感性,描述了NaCl浓度和pH对微凝胶体积相转变温度的影响。
2.
The initial swelling and shrinking rates,the swelling equilibrium time and theproperty of volume phase transition of the copolymer hydrogel in acetone-water solutions of different concentrations were further investigated.
着重研究了水凝胶在丙酮-水介质中的溶胀和收缩速率、溶胀平衡时间及体积相转变特性。
3.
The volume phase transition points of the hydrogels are decreased as increasing of the polarity of the segments in the structure of the hydrogel.
研究发现,阴离子型高吸水性树脂随乙醇/水混合溶剂中乙醇体积分数(φ)的增大发生体积相转变;随树脂结构中链段极性的增大,凝胶相变点相应的(φ)值降低;并随所吸收液体中低极性乙醇含量的增大,-COO-之间的相互排斥作用减弱,树脂的吸水速率降低。
2)  Volume phase transition
体积相变
1.
It also manifests volume phase transition under the conditions of variation of temperature,pH value,ion-density.
性能测定表明该三元共聚凝胶具有吸水性和盐敏感性;当pH值、温度、离子强度等外部环境变化时,出现体积相变。
2.
The properties of volume phase transition of the hydrogels are studied in different concentrations of acetone -water solutions.
测试各水凝胶样品在不同浓度的丙酮—水溶液中的体积相变,并根据Flory—Huggins凝胶状态方程定性地解释由于水凝胶聚合物网络上主体分子β环糊精的引人,导致其发生体积相变时临界丙酮浓度的变化规律。
3)  Interlligent material
体积相转度
4)  volume transition mechanism
体积相变机理
5)  volume phase transition temperature
体积相变温度
1.
The water absorption and thermosensitivity behaviors of hydrogels as well as their volume phase transition temperature (T c) were studied by DSC and swelling experiments.
结果表明 ,NVP能显著延长共聚体系的凝胶化时间 ,但对共聚物的体积相变温度影响并不十分显著。
6)  Sediment phase change
沉积相变
补充资料:相转变温度
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性质:温度常能影响表面活性剂(特别是非离子型表面活性剂)的亲水亲油性质。在某一温度下非离子型表面活性剂的亲水性与亲油性恰成平衡。若这种表面活性剂作为乳化剂时,在此温度乳状液将发生变型。这一温度称为相转变温度。 

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