1) viscous activation energy
黏流活化能
1.
Effect of temperature,weight concentration of CaCl2,inherent viscosity of copolymer and mole fraction of ODA on the parameters of copolymer solution,Non-Newton exponent,viscous activation energy and structural .
研究了溶液中共聚物质量分数、温度、CaCl2质量分数、共聚物的比浓对数黏度和ODA的摩尔分数对PPTA三元共聚物溶液的非牛顿指数、黏流活化能、结构黏度指数等重要参数的影响,为纺丝工艺的制定提供重要依据。
2.
Based on the viscosity model and regular solution model for slag proposed by D Sichen and S Seetharaman,the functional relationship between the slag viscosity and composition and the Gibbs viscous activation energy and mixture free energy of slag components was derived,i.
Seetharaman等人的黏度模型和熔渣的正规溶液(RS)模型理论,建立了熔渣组元吉布斯黏流活化能、吉布斯混合自由能以及组成与熔渣黏度的函数关系,即熔渣黏度估算模型。
2) flow activation energy
粘流活化能
1.
Study on flow activation energy of PE and PP resins;
几种不同PE和PP树脂的粘流活化能研究
2.
Their Non-Newtonian index and flow activation energy were calculatedby means of regression analysis on the computer.
应用Instron-3211毛细管流变仪,对三种不同体系有机载体与Si_3N_4的混合物料的流变参数进行了测定与实验解析,通过回归分析,用计算机计算出非牛顿指数及粘流活化能,实验结果表明:在一定条件下,混合物料的流动行为可用幂律方程描述,其表观粘度随温度的变化规律符合Arrhenius方程,所用混料表现出良好的流动性和较小的温度敏感性,适宜陶瓷注射成型。
3.
The influences of shear rates and temperatures on apparent melt viscosity(ηa),non-Newtonian exponent(n),and flow activation energy(Eη) were investigated and discussed.
计算了这种聚乙烯树脂的粘流活化能和非牛顿指数,给出了二者与剪切速率的定量方程,考察了温度对其流变性能的影响,为这种树脂的加工提供了基础数据。
3) viscous flow activation energy
粘流活化能
1.
The viscous flow activation energy was up to 123 kJ/mol.
研究了聚 L -乳酸熔体的流变性 ,并与 PET熔体流变性进行了比较 ,发现聚 L -乳酸流体为切力变稀流体 ,当温度达 2 2 5℃ ,流动曲线上出现了第二牛顿区 ;粘流活化能高达 12 3k J/m ol;随着熔体温度的增大 ,其流动曲线下移 ,表观粘度下降 ,非牛顿指数增大 ,在 2 0 5～ 2 15℃区域内上升速率较大 ,其结构粘度指数变小 ,同时特性粘数的下降高达 39%。
2.
The viscous flow activation energy(Eη) ranges 120 kJ/mol～180 kJ/mol,which is higher than those of common polymers.
预处理后的PCS粘流活化能为120 kJ/mol~180 kJ/mol,比一般高聚物的高得多。
4) flow activation energy
流动活化能
1.
The results showed that flow activation entropy increased by effective size gradation of filler and that flow activation energy increased too.
通过对不同温度下的聚丙烯填充复合体系剪切粘度的测定 ,以阿累尼乌斯公式对上述结果进行处理 ,发现经过合理的级配可以有效地提高填充复合体系的流动活化熵 ,同时体系的流动活化能将有所上升 ,从能量的角度上解释了以往发现的级配对聚合物复合材料体系粘度的降低作用的机理 。
2.
In addtion, the change tendency of the flow activation energy was discussed initially.
此外，还测定了相应流动活化能，并对其变化趋势进行了初步说明。
3.
The results show that the zero shear viscosity η 0 of the solution decreases with the increase of acetic acid content and temperature, the decrease of chitosan content and the prolonging of the storage time, that flow activation energy (Δ E η) and structural viscosity index (Δη) increase with the increase of chitosan content and the decrease of acetic acid content,that the addition .
流动活化能ΔＥη和结构粘度指数Δη随壳聚糖含量的增加、乙酸含量的减少而增大。
5) viscosity-flow activation energy
粘流活化能
1.
It has been discovered that the PSZ solutions in toluene are pseudo-plastic fluid and that the viscosity-flow activation energy for 70% PSZ solution in toluene is (18.
直接法生产甲基氯硅烷的高沸点副产物分离出的甲基氯二硅烷(DS)与八甲基环四硅氮烷反应形成氯硅烷低聚物,经氨解成为聚硅氮烷(PSZ)前躯体,并发现PSZ甲苯溶液为假塑性流体,得到70%(质量)的PSZ甲苯溶液的粘流活化能为18。
6) activation energy
粘流活化能
1.
The activation energy of low foaming PS melt is lower than that of PS melt, which indicates that the processing temperature for low foaming PS may be lower than that of normal PS.
结果表明 :低发泡PS熔体是切力变稀的非牛顿流体 ,熔体中成核剂和气体的共同作用 ,使低发泡PS熔体的表观粘度在 1 80℃下比PS熔体的低 ,而在 1 90℃及 2 0 0℃下比PS熔体的高 ;低发泡PS熔体的粘流活化能比PS熔体的低 ;低发泡PS熔体的非牛顿指数比PS熔体的大 ,即低发泡PS熔体偏离牛顿流体的程度小 ;在较低的成型温度下 ,低发泡PS制品的表观密度较低 ,泡孔尺寸分布均匀 ,性能较
2.
The apparent viscosity and activation energy of low foamed HIPS are lower than those of normal HIPS.
结果表明 :低发泡HIPS熔体是符合幂律的切力变稀流体 ,其表观粘度、粘流活化能比HIPS低 ,非牛顿指数比HIPS的大 ,偏离牛顿流体的程度小。
补充资料：黏天
1.谓贴近天，仿佛与天相连。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条