The proposed model indicates that the yield stress is one of the main causes for the shear-thinning effect and reveals why some materials possess double-Newtonian regions with the shear viscosity in the first region higher than that in the second region.
它揭示了某些材料存在的双牛顿区现象,并证明第一牛顿区的剪切黏度大于第二牛顿区的。
A number of inventive methods have been developed for the measurement of interfacial shear viscosity.
综述测定界面剪切黏度的实验方法,重点介绍对其中几种常见实用的测定方法,包括这些测定方法各自的演变、测量原理、实验装置、灵敏度、优缺点等问题。
The results showed that the apparent shear viscosity(ηa)and shear stress(τ)of all samples decreased with temperature increasing.
结果表明,随温度的升高,各试样的剪切黏度(ηa)和剪切应力(τ)下降;在250℃,剪切速率(γ)为200~10 000 s-1的条件下,各试样ηa和τ的差距逐渐缩小,流变曲线趋于重合。
The equations of zero-shear viscosity and non-newtonian index were deduced based on the experiment data.
通过在线流变实验研究分析了聚苯乙烯/CO2溶液的流变行为,并由实验推导出了不同工艺条件下零剪切黏度η0以及非牛顿指数n的计算公式。
In combination with a modified zero-shear viscosity equation of polymer solution,the normal force exerted on sucker rod can be given.
采用数值分析方法,模拟了抽油机井杆管偏心环空内采出液的速度场,并推导了抽油杆表面的速度梯度差,结合修正的聚合物溶液零剪切黏度公式,给出了抽油杆所受的法向力。
Effects of petroleum compound system on oil-water interfacial shear viscosity of crude oil treated with alkali
复合体系对与碱反应后原油油水界面剪切黏度的影响
The interfacial film properties of resin and asphaltene separated from Saudi Arabia crude oil were investigated by interfacial shear viscosity,and explained by the molecular properties of the resin and asphaltene studied by IR,UV and VOP.
对含有胶质、沥青质的模拟油和模拟水体系,测定了其界面张力和界面剪切黏度。
The molecular structures of asphaltenes and resins in Shengli crude oil were studied by IR,UV,and intensity of the interfacial film between oil and water was investigated by interfacial shear viscosity measurements,and the stability of emulsions was also researched.
采用红外和紫外光谱分析了胜利原油中胶质和沥青质的结构,采用界面剪切黏度对其油、水界面膜强度进行了表征,测定了胶质和沥青质模拟油油包水乳状液的稳定性。
Effects of nano-diamond filler on shearing-bonding strength and micro-hardness of pit and fissure sealant;
纳米金刚石填料对光固化窝沟封闭剂黏结剪切强度和表面显微硬度的影响
Development on Methods for Determining Shearing Viscosity of Extruded Food Melt
食品挤压熔融体剪切黏度测定方法研究进展
Theory of Viscosity Decrease of PA66 Filled with CaCO_3 by Different Size and Size Distribution
碳酸钙级配填充引起尼龙66剪切黏度降低的机理分析
Effects of petroleum compound system on oil-water interfacial shear viscosity of crude oil treated with alkali
复合体系对与碱反应后原油油水界面剪切黏度的影响
Two-phase Flow Numerical Simulation in the High Viscosity Slurry Based on Shear Principle
基于剪切原理的高黏度浆料两相流数值模拟
The comparative study of the shear bond strength of two adhesives
不同黏结系统牙本质剪切强度的实验研究
Shear properties at interface between highly plastic clay and concrete
高塑性黏土与混凝土接触面剪切特性
Shear Strength Behavior of Over-consolidation Clay in Ring Shear Tests;
利用环剪仪对超固结黏土抗剪强度特性的研究
Shear strength behavior of overconsolidated clay in ring shear tests
采用环剪仪对超固结黏土抗剪强度特性的研究
Experimental study on shearing deformation behavior of saturated clay under cyclic stress
循环应力下饱和黏土剪切变形特性试验研究
A Study on Cyclic Shear Behavior and Softening Deformation of Saturated Clay;
饱和黏土循环剪切特性与软化变形的研究
Study of monotonic and coupling cyclic shear characteristics of overconsolidated clay
超固结黏土单调和耦合循环的剪切特性研究
Study of coupling cyclic test of saturated clay under different stress paths
不同应力路径下饱和黏土耦合循环剪切特性
testing methods for shear strength of plastics by punch tool
塑料剪切强度试验方法
Euroflock shearing tester
欧罗剪切牢度试验仪
surface shear viscometry
表面剪切粘度测定法
uniform strain shearing strengh tester
等应变剪切强度测试仪
Analysis and Treatment on the Problem of Parallelism in Plate Cutting with Disc Shears
圆盘剪剪切平行度问题的分析与对策
Research on the Rational Shearing Speed of High-speed Precision Shearing for Metal Bar
金属棒料高速精密剪切适宜剪切速度的研究
