The two kinds of viscosities were significantly affected by the rate of shear, melt temperature and 2, 7-naphthalenediol unit content.
而剪切速度、熔体温度及2,7 -萘二酚链节含量对此两种粘度有重大的影响。
Even though MFR values are measured at an unrealistically low shear rate, it might seem that the test would accurately rank different materials for comparative ease of flow.
尽管MF R值是在低剪切速率下测定,与事实不符,但是可以从中准确地区分出不同相对流动性的好坏。
The compound of Alkali Surfactant Polymer (ASP) is a kind of viscoelastic fluid, its rheological behavior can be formulated by power law model in simple shear flow within medium shear rate.
就其流变性而言,聚合物溶液和碱—表面活性剂—聚合物(ASP)复合体系均属粘弹性流体,但在中等剪切速率的简单剪切流动条件下,其流变性可用幂律模式描述。
Strong earthquakes occurred in the high-value region and its margins of shear strain rate, especially in the high-value region of shear strain rate in accordance with tectonic deformation background.
强震通常发生在剪切应变率的高值区及其边缘,尤其是与构造变形背景相一致的剪应变率高值区。
One dimensional shear strain rate gradient formation of the second order is proposed based on the non-local continuum model.
根据非局部连续介质模型,提出了一维二阶剪切应变率梯度格式。
At lower shear rate, the fluid viscosity of composite has more sensitiveness to temperature.
在较低的剪切速率下,复合材料流体粘度对温度更敏感。
The complex viscosity decreased with the increase of shear rate in the form of approximate power law function.
动态复合粘度则随着剪切速率的增加而呈近似幂律函数形式减小。
The higher shear rate, the earlier reduction of strength of gel.
剪切速率愈大,发生冻胶强度下降的时间愈早。
The result indicates that at certain experimental conditions, the viscosity of polymer solution will decrease with the increase of shear rate according to the rule of power law exponent.
结果表明:在一定的实验条件下,聚合物溶液的粘度随着剪切速率的增加而减小,其变化符合幂律指数规律。
Influences of composition of the blends, shear stress, shearing rate and temperature on the rheological behavior and viscosity of the melt were discussed.
讨论了共混物的组成、剪切应力和剪切速率以及温度对熔体流变行为、熔体粘度的影响。
The apparent viscosity at the point decreases distinctly with the increment of shear rate.
随着剪切速率的增加,转相点的视粘度明显下降。
The interface between two molten polymers, as well as the distribution of flow rate, shear rate and shear stress were obtained by using an iterative calculating scheme .
分析了狭缝口型中的一维复合共挤出流动,叠代计算得到两相界面位置以及速度、剪切速率和切应力的分布。
Laboratory simulating studies are made on shear rate of pipe flow for purpose of realizing long distance transportation of additive crude oil.
为了使加降凝剂的原油实现长距离的管输,就管流剪切速率进行了实验室模拟研究。
The second shear strain gradient and the function reflecting the effect of strain rate are introduced into the yield function of classical elastoplastic theory.
在经典弹-塑性理论的屈服函数中引入应变梯度及考虑应变率效应的函数。
The role of shear strain rate of an environmental flow in typhoon propagation is investigated using a shallow water model.
利用浅水波正压模式研究了环境流场切应变率对台风移动的影响。
It was suggested that MBG looked like a Newtonian fluid or a pseudo-plastic fluid under different conditions, and under the shear rate of 52.
结果表明,凉粉草胶溶液在不同的条件下呈牛顿流体或假塑性流体行为,在剪切速率52。
Based on test in room, the relationship between shear performance and displacement rate of rock is discussed.
在室内实验的基础上,探讨了岩石的剪切性能与位移速率的关系。
Presumably it is due to their different critical values of the ratio of slip plane hardening rate to current tensile stress for shear localization.
这可能是由于在不同状态时产生剪切形变局部化的滑移面硬化率对瞬时拉应力的临界比值不同之故。
The results showed that soil detachment rate increased with the increase of flow shear stress, their logarithm was linear.
试验结果表明,土壤剥蚀率随着水流剪切力的增加其对数呈线性关系。
The effect of shear rate on shear stress is included in the revised model.
修正后的计算模型考虑了土壤受剪速度对其剪切应力的影响。
The shear rate of modified CPVC was higher than CPVC and the melt apparent viscosity was lower at the same shear stress.
相同剪切应力下改性CPVC的表观剪切速率大于CPVC,熔体表观粘度小于CPVC。
Presumably, it is due to their different critical values of the ratio of slip plane hardening rate to current tensile stress for shear localization.
这可能是由于它们产生剪切形变局部化的滑移面硬化率对瞬时拉伸应力的临界比值不同之故。
The results show that HDPE/MMT nano-composite and HDPE belong to pseudoplastic fluid and present, shear thinning behaviors within the range of shear stress, shear rate and temperature.
在所研究的剪切应力、剪切速率及温度范围内,两者均属于假塑性流体,呈现剪切变稀行为。
At the same discharge, flow shear rate of fracture fluid is high in the fracture of the thin layer, and its viscosity is low.
在相同排量下,压裂液在薄层裂缝中流动剪切速率高,粘度低。
Other factors of influencing er effect such as size and shape of particle, volume fraction, electric field strength, shear rate, temperature are discussed.
并对影响电流变液电流变效应的其它因素如聚苯胺粒子大小、形状,体积分数,外加电场强度,剪切速率,外界温度等进行了实验分析。
The average shear rate obtained with this method is a more reasonable measurement of the average shear history of fluid in turbulent pipe flow.
对于湍流,按本方法计算的平均剪切率能合理地度量流体的平均剪切历史。
As the shear rate rises, the amplitude of pressure oscillation reduces, whereas the slide velocity, critical slide length and the frequency increase.
随剪切速率的增加,压力振荡的振幅减小,而滑移速率、临界外推滑移长度及振荡频率均有提高。
The relation between the gradient of local (plastic) shear deformation and the local (plastic) shear strain and that between the gradient of velocity and the strain rate were established.
建立了局部(塑性)剪切变形梯度与局部(塑性)剪切应变分布之间的关系及速度梯度与应变率分布之间的关系。
Shortterm shear behaviors depend on loading rate and test temperature while the shapes of the shear creep curve and the creep lives depend on test temperature and stress.
瞬时剪切行为存在加载速率、温度相关性;剪切蠕变曲线形状和蠕变寿命与温度及应力大小有关。
Shortterm shear behaviors depend on loading rate and test temperature while the shapes of the shear creep curve and the creep lives depend on test temperature and stress.
瞬时剪切行为存在加载速率、温度相关性;剪切蠕变曲线形状和蠕变寿命与温度及应力大小有关。
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