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特征松弛时间
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  eigen-relaxation time
     The eigen-relaxation time and eigen-function for viscoelastic toroidal deformation can be analytically given when the total layer number is up to 6 between CMB and earth surface.
     当核幔-地表小于6个分层时,本文能解析地给出了粘弹性地球环形场的特征松弛时间。 并写出了地表剪切应力激发下的特征函数表达式。
  characteristic relaxation time
     Having compared the rheological character of different peptized pseudo-hoehmites with dynamic oscillatory method, the curves of storage modulus, loss modulus and complex viscosity of SD(SD commercial) and TY(Lab. made) showed the same trends as the shear frequency increased, but characteristic relaxation time of SD was as twenty times as it was of TY.
     应用动态法(Dynamic oscillatory method)测定了SD(山东产工业品)和TY(自制)两种拟薄水铝石胶溶体系的流变性。 在频率扫描中,随着频率的增大,两体系的储能模量和损耗模量以及复合粘度曲线变化趋势相同,只是SD体系的特征松弛时间比TY高出近20倍。
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  “特征松弛时间”译为未确定词的双语例句
     Dynamic rheological results indicate that mPE melt, which extruded in the presence of 200W ultrasonic oscillations, has lower dynamic cross modulus, longer characteristic time, higher complex viscosity and zero shear viscosity.
     利用高压毛细管流变仪和动态流变仪研究了经超声作用mPE挤出物的流变行为。 超声挤出会导致mPE动态交叉点模量升高,特征松弛时间增加,复数粘度和零剪切粘度有所增加。
短句来源
     Ultrasonic oscillations can reduce complex viscosity and zero shear viscosity of mPE/LDPE or mPE/PP blends and improve their compatibility.
     LDPE组分的加入,会增加mPE的频率敏感性,经超声挤出后共混体系的动态交叉点模量降低,特征松弛时间增加,复数粘度和零剪切粘度有所降低。
短句来源
     Finally, the plot of characteristic average relaxation time τc (=Γ-1) vs dialysing time t was also given, which described the kinetics process of this gelation quantitatively.
     最后还以平均特征松弛时间τc(≡Γ-1)对透析时间t作图,定量描述了该凝胶化反应的动力学过程。
短句来源
     The dynamic rheological test indicated that the melt elasticity increased with increasing sentilizer content, reflected as increase in G′, zero-shear-viscosity, and reflaxation time, and decrease in tanδ.
     动态剪切流变数据表明,辐照改性制备的LCB- HMSPP具有较好的熔体黏弹性,并且其熔体弹性随敏化剂用量的增加而增强,表现在低频端剪切储能模量明显提高,内耗正切变小,零切黏度增大,特征松弛时间变长;
短句来源
     Numerical comparison with previous study and Heaviside isostatic check validate our analytic formulas.
     特征松弛时间解析结果与已有4个模型的数值结果完全吻合,大量模型的均衡解检验也完全验证了解析解公式的正确性。
  相似匹配句对
     (5) time is feature.
     (五)时间特征
短句来源
     (5) time is feature.
     5.时间特征
短句来源
     Time is...
     时间
短句来源
     relaxation time of viscoelastic micelles;
     粘弹性胶束的松弛时间 ;
短句来源
     Time
     时间
短句来源
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  characteristic relaxation time
Hence, the self-consistent kinetic problem arises with characteristic relaxation time τ mainly of hydrodynamic origin (viscous adjustment of the film thickness to the variable electron pressure).
      
The characteristic relaxation time of the whole cascade proves to be close to the viscous-damping time of the wave, whose frequency coincides with the surface-excitation frequency.
      
The growth rate of instability of the charged liquid surface markedly depends on the characteristic relaxation time and increases with its growth; in liquids with elastic properties, the energy dissipation rate of capillary motion is enhanced.
      
It is shown that the temperature varies exponentially with time and the characteristic relaxation time is determined.
      
In case of high PES content (SPES-20%) light-scattering results showed a viscoelastic phase separation and the characteristic relaxation time of phase separation can be described well by the WLF equation.
      
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Dynamic laser light scattering was used to investigate the gelation of AG aqueous (1 mg/mL) by dialysing in 0.1 mol/L CaCl2 aqueous system. The average decay rates (linewidth) Γ decreased pronouncedly during the gelation and the lg plots of β1/2g(1)(τ) vs τ were nonlinear, which indicated complex motion models in this aqueous system, where g(1)(τ) and τ were normalized electric field autocorrelation function and delay time, respectively. Finally, the plot of characteristic average...

Dynamic laser light scattering was used to investigate the gelation of AG aqueous (1 mg/mL) by dialysing in 0.1 mol/L CaCl2 aqueous system. The average decay rates (linewidth) Γ decreased pronouncedly during the gelation and the lg plots of β1/2g(1)(τ) vs τ were nonlinear, which indicated complex motion models in this aqueous system, where g(1)(τ) and τ were normalized electric field autocorrelation function and delay time, respectively. Finally, the plot of characteristic average relaxation time τc (=Γ-1) vs dialysing time t was also given, which described the kinetics process of this gelation quantitatively.

用动态光散射技术跟踪了海藻酸钠水溶液在0.1mol/LCaCl2水溶液中透析凝胶化的过程。表现出随反应进行,平均衰减速率(线宽)Γ明显减慢及以lgβ1/2g(1)(τ)对τ作图表明体系运动模式复杂的特点,这里g(1)(τ)和τ分别是归一化电场时间相关函数及延迟时间。最后还以平均特征松弛时间τc(≡Γ-1)对透析时间t作图,定量描述了该凝胶化反应的动力学过程。

Having compared the rheological character of different peptized pseudo-hoehmites with dynamic oscillatory method, the curves of storage modulus, loss modulus and complex viscosity of SD(SD commercial) and TY(Lab. made) showed the same trends as the shear frequency increased, but characteristic relaxation time of SD was as twenty times as it was of TY. OSC time scanning curve of TY showed that TY formed stable structure in a certain timperical. The pore volume decreased through peptization.

应用动态法(Dynamic oscillatory method)测定了SD(山东产工业品)和TY(自制)两种拟薄水铝石胶溶体系的流变性。在频率扫描中,随着频率的增大,两体系的储能模量和损耗模量以及复合粘度曲线变化趋势相同,只是SD体系的特征松弛时间比TY高出近20倍。小振幅振荡法(OSC)时间扫描曲线表明,TY体系在一定的时间内可形成稳定的结构。对两种不同的原料在胶溶前后的孔容的变化进行了比较,发现经过胶溶后孔容均减少。

High-melt-strength polypropylene with long chain branching (LCB-HMSPP) was prepared via irradiation. The rheological behavior of LCB-HMSPP was investigated using an advanced rheometric expansion system (ARES) and a capillary rheometer. The dynamic rheological test indicated that the melt elasticity increased with increasing sentilizer content, reflected as increase in G′, zero-shear-viscosity, and reflaxation time, and decrease in tanδ. Introducing a small amount of PE-UHMW also enhanced the elasticity. The...

High-melt-strength polypropylene with long chain branching (LCB-HMSPP) was prepared via irradiation. The rheological behavior of LCB-HMSPP was investigated using an advanced rheometric expansion system (ARES) and a capillary rheometer. The dynamic rheological test indicated that the melt elasticity increased with increasing sentilizer content, reflected as increase in G′, zero-shear-viscosity, and reflaxation time, and decrease in tanδ. Introducing a small amount of PE-UHMW also enhanced the elasticity. The capillary rheological test revealed that LCB-HMSPP exhibited higher flow activation energy and temperature sensitivity compared with PP devoid of irradiation.

通过辐照法制备了长支链型高熔体强度聚丙烯(LCB-HMSPP),采用高级流变扩展系统(ARES)表征了其熔体黏弹性,采用毛细管流变仪研究了其在高剪切速率下的流变行为。讨论了敏化剂用量、超高相对分子质量聚乙烯 (PE-UHMW)对PP熔体黏弹性、流动曲线和黏流活化能的影响。动态剪切流变数据表明,辐照改性制备的LCB- HMSPP具有较好的熔体黏弹性,并且其熔体弹性随敏化剂用量的增加而增强,表现在低频端剪切储能模量明显提高,内耗正切变小,零切黏度增大,特征松弛时间变长;辐照过程中添加极少量PE-UHMW也可提高PP的熔体黏弹性。静态毛细管剪切流变测试表明,线形PP和长支链PP的流动曲线较相似,LCB-HMSPP的黏流活化能较线形PP 有显著提高,其剪切黏度具有较高的温度敏感性。

 
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