• 采用广义牛顿粘度公式,得到了振动力场作用下向双挤出机螺棱间隙内的速度分布近似解析

    The approximate analytical solution of the velocity distribution in the side gap of the counter-rotating twin screw extruder is obtained by means of the generalized Newtonian viscosity.

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  • 油基泥浆中原油牛顿流体粘度恒温槽中用毛细玻璃依照API规定步骤测出

    The viscosity of base oils for oil muds, which are Newtonian fluids, is measured using a glass capillary tube in a thermostatic bath, when performed according to API procedures.

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  • 滞度血流重要性质之一血液是非牛顿流体,血液粘度随着切变的变化而变化。

    The viscosity is one of the most important flow properties of blood, the blood is a non-Newtonian fluid. the viscosity of blood is change with the shear rate changes.

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  • 利用高压毛细管流变SEBSTPU的流变性能进行了研究。结果表明,SEBS熔体流动表现为非牛顿性,粘度剪切速率增加而降低

    The rheological results of SEBS and TPU by means of high pressure capillary indicates that SEBS is non-Newton fluid, the viscosity decreases when the shear rate increases.

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  • 牛顿流体地层中的粘度一个随剪切速率变化而改变非常数,反映在不稳定压力响应特性上表现出牛顿不相同特征

    Non-Newtonian fluid viscosity in the formation of a shear rate of change with variable, stress response reflected in the instability shown by different characteristics of Newtonian flow.

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  • 球磨时间越长的样品,表观粘度,越偏近牛顿流体,触变性剪切化也越低。

    The apparent viscosity of the pastes was decreasing as the milled-time was getting longer, resembled Newtonian fluid in shear-thinning nature and low thixotropy.

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  • 施加压力时,牛顿流体就立即流动它们的粘度保持不变

    Newtonian fluids immediately flow when pressure is applied and their viscosities are constant.

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  • 随着牛顿剪切速率增加,PP及其共混物熔体粘度明显下降,表现出剪切变稀现象,呈现塑性流体的流动特征

    As the non-newtonian shear rate increasing, the melt viscosity of the PP and their blends were decreased, and behave shear thinning, show the Pseudo-plastic fluid features.

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  • 随着牛顿剪切速率增加,PA 6及其共混物熔体粘度明显下降,表现出剪切变稀现象,呈现塑性流体的流动特征

    As the non-newtonian shear rate increasing, the melt viscosity of the PA6 and their blends were decreased, and behave shear thinning, show the Pseudo-plastic fluid features.

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  • 试样搅拌时粘度测定之间时间数量很严格的,特别是对于牛顿液体

    The amount of time between sample mixing and viscosity assessment is critical, especially for non-Newtonian liquids.

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  • 校验所开发压力毛细管流变仪,测量牛顿流体粘度误差超过5%。

    The calibration of the pressure capillary rheometer developed by our lab is presented. The error of measurements by this rheometer for Newtonian fluids is less than or equal to 5%.

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  • 根据旋转粘度计设计原理导出幂律汉、卡森等非牛顿流体流变性测试结果修正系数

    The revised coefficients of rheology survey data on power-law, Bingham and Cas-son fluids are produced on the principle of rheometer.

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  • 将普通固定转速高温粘度改造为可转速,可测出熔体流动特性,进而确定熔体是否为牛顿流体。

    With a modified high temperature speed adjustable rotational viscometer, flow characteristics test of melt was carried ont. Based on the test vesults, it can be co…

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  • 将普通固定转速高温粘度改造为可转速,可测出熔体流动特性,进而确定熔体是否为牛顿流体。

    With a modified high temperature speed adjustable rotational viscometer, flow characteristics test of melt was carried ont. Based on the test vesults, it can be co…

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