1) hydrodynamics shear stress
水流剪切应力
1.
Influence of hydrodynamics shear stress on the settlement characteristics were studied in SBR.
采用序批式活性污泥法系统(SBR)研究了搅拌型反应器中水流剪切应力对处理系统中活性污泥沉降性能的影响,通过微生物数量、絮凝体形态和微生物种群的观测分析,探讨了水流剪切应力影响活性污泥沉降性能的机制。
2) hydrodynamic shear stress
水流剪切力
1.
Experimental study on influence of hydrodynamic shear stress on characteristics of activated sludge;
水流剪切力对活性污泥特性影响的试验研究
3) critical flow shearing stress
临界水流剪切应力
1.
On the basis of analysis of force acting on the soil particles in hill slope process, dynamic and resistant factors leading soil particles to separate are put forward ,then the mechanical model is built resolving it and getting the critical flow shearing stress and finally the effective factor is analyzed.
坡面土壤颗粒发生侵蚀分离是坡面流侵蚀的起始阶段,因此分析导致坡面土壤颗粒分离的临界水流剪切应力及其影响因素对了解坡面流侵蚀有重要现实和理论意义。
4) flow shear stress
流体剪切应力
1.
Flow shear stress induced molecular events of bone cells;
流体剪切应力对骨细胞分子活动的影响
2.
Objective To clarify the effect of flow shear stress (FSS) on the expression of core binding factor α1 (Cbfα1) in human osteosarcoma MG-63 cells cultured in simulated microgravity environments and the mechanism of osteopenia induced by weightlessness.
目的观察模拟失重条件下培养的人骨肉瘤MG-63成骨样细胞受流体剪切应力(FSS)作用后核心结合因子α1(Cbfα1)表达的改变,初步探讨失重情况下骨质减少的可能机制。
5) fluid shear stress
流体剪切应力
1.
The migration of endothelial cell induced by fluid shear stress is related to many physiological and pathological responses in organism.
内皮细胞在流体剪切应力作用下进行迁移运动,与机体多种生理病理过程密切相关,也是近年来国内外研究的热点问题。
2.
Objective To investigate the effects of fluid shear stress on interleukin-8(IL-8)mRNA expression in human endothelial cell line-EA.
目的探讨流体剪切应力作用下,人内皮细胞株EA。
6) shear flow stress
剪切流动应力
1.
In this paper,it is validated by comparing simulation and experiments results that good precision of simulation could be obtained with this friction model,and the effect of cooling fluid on the cutting could be well simulated by reducing the shear flow stress of workpi.
刀-屑摩擦模型是金属切削仿真的关键问题,采用基于前刀面正应力的摩擦系数模型能够真实反映刀-屑接触长度内的摩擦状况,通过仿真和试验证明,采用该模型可获得较好的仿真精度,而且通过降低工件材料的剪切流动应力能够较好地模拟切削液的润滑效果对切削过程的影响。
补充资料：临界剪切应力
分子式：
CAS号：
性质：聚合物在挤出成型中产生不稳定流动的剪切应力临界值，以τc表示。当剪切速率超过τc时，随着剪切速率的增加，挤出物的外观出现表面粗糙、起伏不平、螺旋扭曲甚至熔体破裂等不稳定流动现象，因此，成型时的剪切应力必须低于τc。
CAS号：
性质：聚合物在挤出成型中产生不稳定流动的剪切应力临界值，以τc表示。当剪切速率超过τc时，随着剪切速率的增加，挤出物的外观出现表面粗糙、起伏不平、螺旋扭曲甚至熔体破裂等不稳定流动现象，因此，成型时的剪切应力必须低于τc。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条