应变

The properties of grating formation are studied specifically when the writing light beam incidents normally and slantingly, respectively.

分析了Bragg光栅的二阶温度、应变灵敏度和温度-应变交叉灵敏度对测摘要一量结果的影响。

The spalling strength is measured with the influence of damage evolvement taken into consideration.

对某种普通混凝土在不同应变率下的测试显示层裂强度受应变率影响明显。

Strain rate components are computed in spheric coordinate system. Analyses of the spatial distribution of strain rate fields derived from GPS measurements are carried out in contrast with seismological and geological results.

在球坐标系中解算了各应变率分量，分析了应变率场的空间分布特征，并与地震学和地质学研究结果进行了综合对比分析。

In order to monitoring concrete stress in tie-bar of long-span concrete-filled streel pipe arch bridge, mothod of separate tension is used, which deducts tension caused by temperature changeand creep.

为了现场监测大跨度系杆拱桥系杆混凝土的应力，采用对实测应变进行分离的方法，扣除了由于温度变化、混凝土收缩徐变产生的应变。

Furthermore, the dominant strain stage of different mechanisms was analysed according to strain-stress relations in the thixotropic pressing.

根据触变压缩过程中的应力应变关系，进一步分析了不同变形机制的主导应变段。

The mechanical properties of torqued and non-torqued tungsten alloy are also investigated. A constitutive model that describes rate-hardening and strain-hardening effects is also established for these tungsten alloys.

同时对预扭转和未扭转钨合金材料进行了动态力学性能实验研究，建立了考虑应变率硬化、应变硬化效应的动态本构模型。

Equiaxed and bigger grains are produced after C.P.Ti is deformed under the high temperature. Besides, many tiny subgrains were found in some of the metallurgical structure. The dislocation reaction caused by the deformation under the high strain rate generates ductile cellular metastructures, while the equiaxed cellular metastructures are generated under the low strain rate. The metallurgical structure of TC4 alloy including lath-shaped hexagonal martensite and trimetric martensite only exists in the higher temperature. The homogeneous, tiny and reticular grain shown after extreme high temperature deformation.

在高应变速率下变形引起的位错反应形成拉长的胞状亚结构，而低应变速率下变形则形成等轴的胞状亚结构；TC4合金在特高温变形条件下其金相组织呈网篮状，显微组织几乎全部为均匀细小的晶粒，同时出现了板条状六方马氏体；在温度尤其高的情况下还形成了斜方马氏体，变形引起的位错反应形成六方位错网络，在1200℃以下的变形易产生孪晶。

According to the result of test for localization and shear bands formation under the consolidated undrained plane strain compression test on soft clay in Shanghai, the calculation model and parameters for method of foundation pit enclosing are discussed in this paper and some useful conclusions are obtained.

根据上海软土在固结不排水平面应变压缩试验条件下，应变局部化和剪切带形成的实测研究结果，对基坑围护理论的计算模型和计算参数作了探讨，得到了一些有价值的结论。

NMOSFET devices are fabricated and measured in strained-Si and unstrained bulk-Si channels.

分别在应变硅和无应变的体硅沟道上制作了nMOSFET器件，并对它们进行了测量。

The best wavelength and width of SCH layer are 1.24 μm and 1 00 nm for 1.55 μm unstrained single quantum-sell lasers.

对于激射波长为1.55 μm的无应变激光器，最佳的光限制层波长为1.24 μm，厚度为100 nm。当阱材料引入压缩应变后。

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。