The ratio of stress to strain, or the stress per unit strain, is called an elastic modulus of the material.
应力与应变之比，即每单位应变的应力，叫做该材料的弹性模量。
Strain, or unit deformation, is defined as the unit change in the size or shape of material as a result of force on the material.
应变或者单位变形是材料上的压力造成材料大小和形状的单位改变量。
In earthquake process, average strain rate of the research block is equal to the sum of all seismic moment tensors of the earthquakes taking place in unit time and physical volume.
所研究地块内地震过程引起的平均应变速率等于发生在单位时间、单位体积内的所有地震的地震矩张量之和。
The effect of billet size on the effective strain and unit extrusion pressure was investigated during equal channel angular pressing.
研究了坯料尺寸对等径角挤压材料等效应变及单位挤压力的影响。
A valid method to make the anisotropic deformation behavior of load bearing unit clear is to research principal stress and principal strain relationship, and true triaxial test is a necessary means.
弄清受荷单元的主应力主应变关系是认识各向异性变形性状的有效方法，而真三轴试验是必要的手段。
Through the stress - strain adjustment of unit 2, Shiquan Hydropower Station, the thrust bearing pad of unit 2 has been stressed uniformly, and the safe operation of unit 2 is ensured.
通过对石泉电厂2号机组推力轴系的应力—应变调整，使2号机组的推力轴瓦受力均匀，保证了机组的安全稳定运行。
Handy light-weight wheel load scale. hand panel with digital display unit. wire strain gauge measuring method.
轻便的轮重仪。带数字显示装置的手动面板。丝式应变计测量方法。
The results show that its fermentation unit is increased by 8.9% than the starting strain, and its genetic stability is good, too.
试验结果表明，其发酵单位大幅度提高，较出发菌株提高了8.9%，并且其遗传稳定性较好。
The seismicity levels on the active tectonic block boundaries are discussed considering the large earthquake frequency and the released strain energy in unit distance and time.
从各边界带上强震活动的频次和单位时间、单位长度的地震应变能释放出发，讨论了各活动地块边界带的强震总体活动水平；
The use of the welded half-bridge self-compensating high temperature strain gauges has provided a firm basis for ensuring a high efficiency and a long life feature for the power unit.
焊接式半桥自补偿高温应变片的应用，为确保机组高效率、长寿命的特性提供必要的依据。
This paper introduces the strain unit of belt conveyer, focus our discussion on automatic strain unit and how to choose strain unit.
介绍了带式输送机拉紧装置的形式，并着重介绍自动拉紧装置及选用原则。
Therefor, in the beginning of this research the activity unit was redefined and the method for measuring the activity of cellulase produced by this strain was optimized.
为此，我们在实验初期重新定义了酶活单位，并对纤维素酶的活性测定方法进行了优化，确定了适用于本菌株产生的纤维素酶活性测定的一种较优方案。
METHODS: Primary human periodontal ligament cells were obtained and passaged. Then the cells were stretched by dynamic mechanical strain unit with 1%, 10% and 20% strain at different time.
方法：通过原代和传代培养，获得性状稳定的人牙周膜细胞，使用动态机械应变细胞加载仪对细胞进行1%、10%和20%动态牵张应变加载。
The recombinant plasmid pMM2 contained cholera enterotoxin B sub-unit gene CT-B were expressed in E. coli strain.
本实验室使霍乱肠毒素（CT）B亚单位基因在大肠杆菌中获得表达，并能分泌到胞外。
The recombinant plasmid pMM2 contained cholera enterotoxin B sub-unit gene CT-B were expressed in E. coli strain.
本实验室使霍乱肠毒素（CT）B亚单位基因在大肠杆菌中获得表达，并能分泌到胞外。
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