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viscoelasticity parameter
相关语句
  粘弹性参数
     The optimization of linear approaching is adopted for the back analysis of viscoelasticity parameter. In order to improve the method, the variable damping factor is introduced in the optimun iteration. The selection of the damping factor is tested numerically, and a good result is achieved.
     假设材料符合粘弹性流变模型,采用线性逼近的优化措施进行流变参数反分析,为了改善反演效率,在优化迭代格式中引进了阻尼因子,并对阻尼因子的选择作了数值尝试,迭代计算是稳定收敛的,且速度较快.同时编制了建立在三维有限元基础上的粘弹性参数反分析程序.文末给出了计算实例.
短句来源
  “viscoelasticity parameter”译为未确定词的双语例句
     Numerical Inversion of Viscoelasticity Parameter for Elasticity Cement in Draft Gear
     铁道车辆缓冲器弹性胶泥粘弹性参数的数值反演
短句来源
  相似匹配句对
     estimation of its parameter;
     评定运动模糊的参数;
短句来源
     A New Definiting Parameter of Viscoelasticity and Application of Blood Study
     一种新定义的粘弹性参量在血液研究中的应用
短句来源
     and b was empirical parameter.
     b为经验常数。
短句来源
     Numerical Inversion of Viscoelasticity Parameter for Elasticity Cement in Draft Gear
     铁道车辆缓冲器弹性胶泥粘弹性参数的数值反演
短句来源
     On the Initial Conditions in Viscoelasticity
     关于粘弹性力学中的初始条件
短句来源
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  viscoelasticity parameter
The characterization of a viscoelasticity parameter and other rheological properties of various xanthan gum fermentation broths
      


A revised data - processing programme for the measurement of the v iscoelasticity of human blood with the rotary rheometer advancesed. A series of experiments, concerning the effects of average shear rates, RBC Hematocrit. RBC aggregation and choice of anticoagulants on the measurements of viscoelasticity of human blood demontrated the advantage of this programme. The results showed that although the effect of RBC Hematocrit on viscoelasticity is very signifinant, it can be eliminated by defining a new complex...

A revised data - processing programme for the measurement of the v iscoelasticity of human blood with the rotary rheometer advancesed. A series of experiments, concerning the effects of average shear rates, RBC Hematocrit. RBC aggregation and choice of anticoagulants on the measurements of viscoelasticity of human blood demontrated the advantage of this programme. The results showed that although the effect of RBC Hematocrit on viscoelasticity is very signifinant, it can be eliminated by defining a new complex viscoelasticity parameter L*,which is independent of the hematocrit and can be considered as a useful parameter for establishing the normal range of viscoelasticity of human blood. Added to this, the results suggest that EDTA can be used as a recommendable anticoagulant.

提出一种关于血液粘弹性测量的校正方案.一套关于平均切变率(或测头振动频率)、抗凝剂、红细胞压积和红细胞聚集等因素对粘弹性测量值影响的实验证实了这一方案的可用性.同时,实验结果表明,尽管红细胞压积的影响十分显著,仍然可以通过定义一个新的复数型的粘弹性参数L~(?)来消除这一影响.因此,该参数对建立血液粘弹性的人群正常值范围有实际意义,实验结果还显示、测量时用EDTA作抗凝剂为宜.

In this paper, rock is supposed to be a viscoelastic material. The optimization of linear approaching is adopted for the back analysis of viscoelasticity parameter. In order to improve the method, the variable damping factor is introduced in the optimun iteration. The selection of the damping factor is tested numerically, and a good result is achieved.

假设材料符合粘弹性流变模型,采用线性逼近的优化措施进行流变参数反分析,为了改善反演效率,在优化迭代格式中引进了阻尼因子,并对阻尼因子的选择作了数值尝试,迭代计算是稳定收敛的,且速度较快.同时编制了建立在三维有限元基础上的粘弹性参数反分析程序.文末给出了计算实例.

Viscoelasticity parameters G' ,G" are measured with Carri-Med CSL100 rheometer. Factors affecting viscoelasticity of fracturing fluid are discussed, including PH value, temperature, thickening agent and cross-linking agent. The factors are ordered according to the affecting results.

测定了硼冻胶压裂液的储存模数G′和损耗模数G″考察了稠化剂和交联剂类型、pH值及温度对硼冻胶压裂液粘弹性的影响。并用正交试验设计方法对影响因素的作用大小进行了分析。结果表明,G′的影响因素由大到小的顺序为:交联剂类型、pH值、稠化剂类型,G″的影响因素由大到小的顺序为:交联剂类型、稠化剂类型、pH值。

 
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