印压

方法用Quinn法和印压法。

Methods Quinn test and carrier test were applied .

方法用Quinn法和印压法。结论：印压可检测心室肌粘弹性特性。

Methods Quinn test and carrier test were applied . Conclusion : The results demonstrated that uniaxial indentation was feasible to be used to detect viscoelastic characteristics .

2K1C肾性高血压所致的肥厚兔心肌僵硬度大于正常兔心肌僵硬度，印压方法可比较两者僵硬度的差异。

The stiffness of the hypertrophic myocardium induced by the two-kidney , one-clip renal hypertension in rabbits was greater than that of the normal myocardium , the discrepancy between the stiffnesses of them could be detected by indentation test .

介入超声印压检测活体心肌硬度的实验研究

Intervention Ultrasound Indention Assessment of Myocardial Stiffness : In Vivo Experimental Study

非对称楔形压头印压玻璃裂纹产生与扩展规律的研究

Study for Rule of Crack Initiation and Propagation when Glass is Indented by Dissymmetrical Wedge

研究了非对称楔形压头印压玻璃时裂纹的产生及扩展规律。

The rules of crack initiation and propagation are studied when glass is indented by dissymmetrical wedge .

本文用化学侵蚀法显示了硅晶体印压产生的位错。

The chemical etching method is used to reveal dislocations produced by indentation on silicon single crystal specimens .

结论：印压可检测心室肌粘弹性特性。

Conclusion : The results demonstrated that uniaxial indentation was feasible to be used to detect viscoelastic characteristics .

我们研究了杂质条体印压产生的位错环列的几何结构。

The geometrical structure of the dislocation loop series produced by volume indentation of the impurity-striation has been studied .

应用印压实验装置，对正常和陈旧性梗死离体心室肌试件进行蠕变试验。

With the instrument of indentation , creep test was applied to the normal and old infarcted canine ventricular myocardium .

应用基于导管超声的印压方法可望在活体研究不同病理状态下舒张期心肌粘弹性特性。

Myocardial viscoelasticity under different pathological status in diastole will be studied in vivo using indentation method based on catheter-ultrasound technique .

实验结果说明：印压产生的位错分布在{111}滑移面上；

Experimental results show that all the dislocations introduced in silicon due to indentation distribute in the { 111 } slip planes ;

结论介入超声印压能够区分活体犬梗死心肌与正常心肌之间的硬度差异。

Conclusion Trans-arterial ultrasound indentation catheter can be used to distinguish the stiffness variance between myocardial infarction and normal myocardial of canine in vivo .

本文用化学侵蚀法研究了硅单晶样品在800&1000℃印压得到的位错花结。

The chemical etching method has been used to investigate the dislocation " rosette " of silicon single crystal specimens under indentation at temperatures 800-1000 ℃ .

目的探索介入超声印压方法检测活体心肌硬度的可行性，为心肌硬度检测提供直接方法。

Objective To explore the feasibility of interventional ultrasound indention for detecting myocardial stiffness in vivo and to offer a direct measurement method of myocardial stiffness in vivo .

目的：通过生物力学实验，探讨印压检测心肌粘弹性的可行性及心肌梗死后心肌粘弹性改变。

Objective : With biomechanical trial , the feasibility was investigated using the indentation method to assess myocardium viscoelasticity and the change of viscoelasticity after old myocardial infarction was also investigated .

文中还研究了采用楔角在30°～120°之间的对称楔印压玻璃时，中位裂纹长度与载荷的关系。

The relationship between the medial crack length and the normal loading was also investigated when specimens are indented by symmetrical wedges with the interior angles of 30 °~ 120 ° .

结果被增配钥匙的坡面上有明显的印压痕迹和擦划痕迹，增配痕迹随开启次数增加呈渐变性变化，且原配钥匙和增配钥匙上的增配痕迹变化不同。

Results The slope of copied key has obvious impression and scrape marks , copied marks gradually changed followed opening degree and the change is different between former keys and copied keys .

用化学侵蚀法研究了区熔法生长的硅单晶体中的杂质条，以及由此杂质条的体印压产生的位错环列。

The impurity-striations and the dislocation loop series produced from the volume indentation by these impurity-striations in the float-zone grown silicon single crystals have been studied by means of chemical etching method .