查询词典 Young's modulus

The theory and method of bending test on nanobeam for the measurement of Young′s modulus based on atomic force microscope are introduced.

阐述了基于原子力显微镜的弯曲测试测量纳米梁杨氏模量的理论和方法。

Through mechanical analysis, a formula was derived to calculate the Young's modulus of zona pellucida from measurements.

通过力学分析，推导出一个近似计算杨氏模量的实验公式。

The variable Young's modulus which changes with time and reproduced objective stress of concrete are considered in the mechanical mode.

在应力场的有限元模拟中，混凝土的弹性模量随着水化度或时间而变化，有效地模拟了混凝土真实的应力场。

Finally, an example of the cantilever beam is used to illustrate the feasibility of the method given, which shows that the effect of the elastic Young's modulus on the eigenvalues is greater than that of the mass density.

通过一个悬臂梁的算例表明，弹性模量对振动控制闭环特征值的影响要大于质量密度的作用，表明了文中方法的可行性。

The mechanical and calorifics properties of composites rise with the increase of SWNTs concentration,composites showed higher mechanical properties such as Young's modulus,tensile strength and elongation along the stretched direction than perpendicular to it.

对复合材料进行了力学性能测试，随着碳纳米管含量的增加，复合材料的弹性模量、拉伸强度和延伸率均得到明显提高，并表现出明显的各向异性。TGA分析表明SWNTs的加入明显提高了复合材料的热稳定性。

The above-mentioned T8 glass-ceramic showed only 25 % decrease in IR transmittance, 17 % increase in hardness, 61 increase in dilatometric softening point, and 19 % increase in Young s modulus.

上述试片之IR穿透率与T8起始玻璃比较，仅下降了25 %，但硬度上升了17%；与未添加成核剂的玻璃比较，膨胀仪软化点上升约61℃，杨氏系数上升约19 %。

Result The flexibility of the scaffold material was powerful. The load-elongation curve of the mechanical testing was similar to that of ACL, the maximum load, the ultimate stress and the Young's modulus of the scaffold materials were 52.61 N, 14.96 MPa and 202.08 MPa respectively. Human ACL cells displayed the representative characteristercs of the ligamentous fibroblasts, and synthesized extracellular matrix, such as type Ⅰand Ⅲ collagen protein. The scaffold materials had no cytotoxicity. Human ACL cells adhered, grew and proliferated well both on the surface and in the holes of the scaffold materials.

结果］韧带支架材料的柔韧性强，拉力测试的负荷－拉伸曲线与韧带的拉伸曲线相似，其最大负荷、极限应力和弹性模量分别为52.61N、14.96MPa和202.08MPa；体外分离培养的人前交叉韧带细胞呈典型的成纤维细胞特征，能在体外分泌Ⅰ、Ⅲ型胶原等细胞外基质；支架材料无细胞毒性，人前交叉韧带细胞可在支架材料上黏附、生长并分泌细胞外基质。

In this article, three kinds of prealloy powder were developed by water atomization method. The base attribute, pattern, phase composition, differential thermal analysis of powder were researched. Sintered density, hardness, bend strength, Young's modulus were researched as hot pressed sintering temperature changing. By using abrasive wearing equipment upbuilt by the authors, the wear resistance were determined. Green-pressing density, simulated green-pressing strength and bonding momental of high frequency brazing were assayed. SEM corrosion structure and SEM appearance of fracture were observed.

本文采用水雾化法开发了三种预合金代钴粉末：对粉末的基本属性、形貌，粉末的相组成，粉末的差热性进行了分析研究；测定了它们的烧结密度、硬度、抗弯强度、弹性模量随热压烧结温度变化的规律；采用作者自行建立的磨料磨损试验方法，测定了它们的质量磨损百分率；测定了它们的冷压生坯密度、模拟生坯强度以及高频钎焊的结合力矩；观察了热压烧结SEM腐蚀组织和SEM断口形貌。

The longer treatment time of samples would result in the more reduction of compressive strength and Young's modulus,because the shale or clay in rock sample would get soft by the drilling fluid filling.

岩石矿物中的泥质黏土矿物遇到钻井滤液后产生软化效应，致使岩样呈现：经钻井液处理时间越长，其抗压强度和弹性模量下降越多的趋势。

The result demonstrates that, the young's modulus and unit weight of concrete, pipe friction coefficient and deviation factor of prestressed reinforcement have large influence on the displacement of structure though influencing stress seldom, which can be chosen as the main design parameters of construction control accordingly.

参数敏感性分析表明：混凝土的弹模、容重、预应力筋的管道摩阻系数和偏差系数对结构位移影响较大，对应力的影响较小，可作为连续刚构梁桥施工控制中的主要设计参数。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。