通过进行腹主动脉血管的应力松弛、蠕变实验得出了腹主动脉应力松弛、蠕变数据及曲线。
Experiments are carried out on the stress relaxation and creep, thus obtaining the stress relaxation and creep data and curves of the aorta abdomen under the situation of constant stress and strain.
结论：应力松弛曲线是以对数关系变化的，动脉粥样硬化对升主动脉应力松弛特性具有一定影响。
CONCLUSION: the stress relaxation curve alters in a log relationship, and atherosclerosis has an influence on the stress relaxation characteristics of the ascending aorta.
血流壁切应力对颈动脉斑块及其稳定性有何影响，尚存在不同的看法，需要进一步的研究。
There are controversial ideas how vascular wall shear stress take an effect on plaque in carotid artery and its stability.
建立剪切应力和动脉粥样硬化之间关系的主要机制是血管壁剪切应力基因表达的控制机制。
A central mechanism establishing the relation between shear stress and atherosclerosis is the control of gene expression by wall shear stress.
并发现人体血管中，小动脉壁的周向应力最高。
It was found that the highest circumferential stress exists in small artery of human.
目的探讨动脉血流受阻后壁切应力(WSS)变化对内皮细胞形态适应性重建的影响。
Objective To explore the changes of wall shear stress (WSS) effect on endothelial cell morphology remodeling after reducing arterial flow.
文章以人体颈动脉余弦扩张为例进行分析，详细讨论了局部扩张对血管壁切应力及其梯度分布的影响。
As an example, the human carotid with local cosine form expansion was analyzed and the effects of local expansion on the distribution of wall shear stress and its gradient were discussed in detail.
血管平滑肌对应力的反应最敏感，总负增长幅度较大，是影响动脉重建的主要因素。
Smooth muscle is most sensitive to stress, and its total negative increase amplitude is great, so it's the important factor for arterial remodeling.
本文详细分析正弦脉动压力载荷对动脉管壁应力分布的影响。
In this paper, the effects of the sinusoidal pulsatile pressure on the stress distribution in the artery wall will be studied.
结论低血管壁面剪切应力，是动脉粥样硬化的危险性血流动力学因素。
Conclusion Low wall shear stress is a risk hemodynamic factor in the development of atherosclerotic plaque.
方法：对180例患者，572个动脉粥样硬化斑块的分布情况进行统计分析，观测血流剪切率与剪切应力。
Methods: The distribution of 572 arterial plaques in 180 patients were analysed statistically, and arterial shear rate was calculated as well.
术后观察小腿和足部痛觉，踝及足趾的跖背屈运动，足背动脉搏动并行膝侧方应力试验。
Postoperative algesia on the leg and foot, active flexion and extension of the malleolus, toe and phalanxes, and the lateral stress test of the knee were observed.
目的探讨切变应力对猪髋动脉内皮细胞单独培养和猪髋动脉内皮细胞与猪小肠黏膜下基质联合培养形态学特征的影响。
Objective To investigate the morphological effect of fluid shear stress on pig iliac endothelium cells cultured solely or co-cultured with pig small intestinal submucosa.
本文比较了几种计算血管壁切应力的方法，认为采用有约束的弹性管模型计算获得的动脉壁切应力更适合于临床应用。
Several methods of calculating arterial wall shear stress are compared in this paper, and the restricted elasticity model is more adapt to clinical application.
动脉壁面切应力信号的分析对研究切应力与血管重建的关系有重要意义。
The analysis of the signals of arterial wall shear stress (WSS) plays an important role in the study of the relationship between WSS and arterial remodeling.
根据检测得到的正常人和动脉硬化性脑血管病患者的颈动脉血流速度、血管管径等数据，计算两者的颈动脉壁面切应力。
According the blood speed and diameter of carotid artery measured in cerebrovascular disease patients and the control, the carotid wall shear stress of both groups are calculated.
这些结果表明，动脉粥样硬化早期病变受低切变应力的影响。
All the above showed that early atherosclerosis changes were affected by low-shear stress.
研究了一个新的动脉壁零应力状态测量方法和动脉壁应变分析方法。
The zero stress state of an artery is brought by cutting a ring of the artery radically and, then, the ring segment springs open into a sector.
说明血流改变后切应力在调控动脉重建中可能起主要作用。
The results indicate that the shear stress may paly an important role in the arterial remodeling after alterations in blood flow.
目的探讨切应力作用对体外培养的牛胸主动脉内皮细胞内皮型一氧化氮合酶蛋白表达和细胞凋亡的影响。
Objective To explore the effects of shear stress on endothelial nitric oxide synthase and apoptosis in bovine endothelial cell in vitro.
该药可直接扩张外周大动脉，改善外周循环，而且可减少动脉壁切线张力，不影响血管壁切应力。
The drug has a direct dilating effect on peripheral large arteries, leading to an improvement of the peripheral circulation, and a decrease in the tangential tension of arterial walls.
目的了解糖尿病时主动脉零应力状态与几种元素含量的关系。
Objective To explore the relationship of zero stress state and the contents of several elements in the aorta in diabetic condition.
之后用这种方法在主动脉弓模型中施加残余应力。
Then use this method to add residual stress in the model of aortic arch.
动脉中管壁的脉动低切应力在动脉粥样硬化形成中起始动和主要的决定作用。
The pulsatile low wall shear stress of arteries plays a initiated and major role in the developing of Atherosclerosis.
应用电化学方法，对动脉模型T形分叉部位流场壁面剪应力进行测试研究。
In this paper, we attempt to study the wall shear stress in the flow field of a t bifurcation section of an artery model by using an electrochemical measuring technique.
背景：动脉粥样硬化的起因尚无定论，但和血管血流时的应力变化有关。
BACKGROUND: There is no final conclusion addressing atherosclerosis cause, but it is related with stress changes of blood flow in vessels.
结果计算得到了人体主动脉弓内的血液流动在心动周期不同时刻的速度场、压力、壁面剪切应力的分布特征。
Results Distributions of blood velocity, pressure, wall shear stress (WSS) in the human aortic arch at different point during one cardiac circle were determined by calculation.
目的探讨低切应力作用下不同时间点小鼠腹主动脉形态学重构及内皮黏附分子表达的变化。
Objective To investigate the changes of vascular structure and expression of adhesion molecules in endothelial cell at different time points under low shear stress.
舒张期颈动脉壁剪切应力与脑梗死和脑室周围白质病变有关。
Coronary Artery Wall Shear Stress is Associated With Progression and Transformation of Atherosclerotic Plaque and Arterial Remodeling in Patients With Coronary Artery Disease.
舒张期颈动脉壁剪切应力与脑梗死和脑室周围白质病变有关。
Coronary Artery Wall Shear Stress is Associated With Progression and Transformation of Atherosclerotic Plaque and Arterial Remodeling in Patients With Coronary Artery Disease.
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