The piezoelectric strain coefficient and the dielectric constant of PVDF films increased, and the dielectric loss decreased with the increasing of the polarization field.
随着极化电场的升高,PVDF压电薄膜的压电应变系数升高,介电常数升高,介电损耗降低。
Strain fatigue and stress fatigue are related by the influence coefficient of strain distribution.
通过应变分布影响系数把应变疲劳与应力疲劳联系起来。
The permeability coefficient and porosity of rock are updated by volumetric strain.
岩石基质渗透系数和孔隙率通过体积应变进行更新。
Strength, volumetric strain and permeability coefficient, and even moisture-distribution above ground water surface can be determined by the soil-water characteristic curve.
根据土水特征曲线可以确定非饱和土的强度、体应变和渗透系数,甚至可以确定地下水面以上水份分布。
The computation expression for the strain neutral layer of stress and plastic bending was introduced and so the thinning coefficient computing formula of sheet metal was deduced.
给出了板料弯曲的应力应变中性层和纯弯曲应变中性层的计算公式,并推出板料弯曲时的变薄系数计算公式。
Shunting resistance box is a commonly used method in the determination of the sensitivity coefficient of the resistance strain gauge with the equal-strength beam aparatuses.
采用等强度梁、挠度计、并联电阻箱、电位差计等测定电阻应变计的灵敏系数是一种常用的方法。
Through model experiments, reasonable decouple coefficient range and slot width are gotten, and unsymmetrical dynamic strain field is analyzed.
通过水泥砂浆模型实验,得到了理想的名义不偶合系数与切缝宽度,测试分析了不均匀的动态应变场。
The permeability coefficient is dependent on the plastic shearing strain (ratio).
渗透系数依赖于塑性剪切应变(率)。
The strain yield locus of the stress yield criterion was advanced and the strain ellipse method for calculating the limit bulging coefficient was given.
提出应力屈服条件的应变屈服轨迹,给出了复合胀形极限成形系数的解法;
Series solutions were derived for the in-plane strain, deflection and bending strain that satisfy the simplified boundary conditions to calculate the shear lag coefficient.
根据简化的边界条件,得到了面内应变和弯曲应变的级数解,进而求得剪力滞后系数。
Finally, the curves of axial strain and dynamic pore water pressure coefficient were figured and analyzed.
最后,绘制了试样轴向应变与动孔隙水压力系数的关系曲线,并分析了曲线的变化规律。
A calibration test has been performed on FBG with strain gauges, and the strain sensing sensitivity coefficient of the properties of FBG was gained.
用电阻应变仪对布拉格光栅光纤传感器应变传感特性进行实验对比标定,得出了表征fBG性能的应变传感灵敏系数。
Strain transfer model considering the surface groove was established, and the expression of strain transfer equation and transfer coefficient was obtained by mechanics analysis.
建立了考虑表面凹槽时的应变传递模型,经过力学分析得出了应变传递方程及传递系数的表达式;
The test data include the stress? Strain curve, yield strength, tensile strength, Youngs modulus, elongation and expansion coefficient.
试验得到的数据有:应力应变关系曲线、屈服强度、极限强度、弹性模量、延伸率和热膨胀系数。
Strain holding test(SHT), part of self-boring pressuremeter test, is one of the most effective in-situ tests in determining horizontal coefficient of consolidation(ch).
旁压应变保持试验(SHT)是测定土体水平固结系数的有效原位测试方法之一。
The pile-soil interaction-damping coefficient with low strain is a key parameter to quantitatively analyze defects of piles.
低应变条件下桩土相互作用的阻尼系数是基桩缺陷量化分析的一个关键参数。
Because the finite element method consider the relation of stress-strain of rock soil, so, it is more accurate and rational than other methods that it calculates side slope stability coefficient.
由于有限元计算方法考虑了岩土的应力——应变关系,因此,其求解的边坡稳定系数比其它方法更为精确合理。
The results show that the encapsulated form of strain sensor linearity of 0.9997, the coupling transfer coefficient is 0.42.
试验结果表明,该封装形式的应变传感器的线性度为0.9997,耦合传递系数为0.42。
An attempt is made to elaborate the definition of the coefficient of strain-rate sensitivity, which is a fundamental concept for macroscopic dynamic plasticity and dislocation dynamics.
应变率敏感系数是宏观塑性动力学和位错动力学的一个基本概念,本文试图对其进行了重新解释。
Experimental results show that the linearity and the strain sensitivity coefficient of packaged by titanium alloy are better than that of the FBG packaged by stainless steel.
试验结果表明,钛合金封装的线性度及应变灵敏系数优于不锈钢材料封装的传感器。
The temperature coefficient of modulus of elasticity of sensing element material result in temperature effect on rated output of strain gauge load cell.
应变式负荷传感器额定输出温度影响是由于弹性体弹性模量的温度系数引起的。
It introduced the methods of measuring the sensitive coefficient of the strain gauge of electrical resistance by means of equal-strength beam and the parallel connection with the measure gauge.
介绍了采用等强度梁和与测量片并联电阻的方式测定电阻应变片的灵敏系数的方法。
The strength reduction coefficient before a well-defined equivalent plastic shear strain (EPSS) running through from the bottom to the top of a slope is considered as its safety factor.
采用边坡某一幅值的等效塑性剪应变区,从坡脚到坡顶贯通前的折减系数作为边坡安全系数。
The critical plastic strain for the onset of serrations has a negative or positive temperature coefficient within the temperature region lower or higher than Tt.
在该温区内,应变速率敏感性出现了负值, 强度出现了一个平台;
The result shows that the permeability coefficient will increase gradually with the pressure increase and drastically after the strain gets to a critical value, when the fissure will occur.
结果表明,随着压力增加,渗透系数逐渐增大,在应变达到某临界值后,渗透系数开始急剧增大,此时裂隙产生。
The test results show that the permeability of hard rocks is obviously different from that of soft rocks not only in permeability-strain behavior but also in value of coefficient of permeability.
试验结果反映出在变形过程中不论是渗透性 -应变关系特点 ,还是渗透性量值 ,软岩和硬岩均表现出明显差异。
The test results show that the permeability of hard rocks is obviously different from that of soft rocks not only in permeability-strain behavior but also in value of coefficient of permeability.
试验结果反映出在变形过程中不论是渗透性 -应变关系特点 ,还是渗透性量值 ,软岩和硬岩均表现出明显差异。
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