查询词典 constitutive

By simplifying the mechanical model,constitutive relation defined in principal direction based on elasticity theory with different moduli was rebuilt in common ordinates,and tension-compression area was divided.

通过合理简化模型，将不同模量弹性理论中定义在主坐标系下的本构关系重新建立在普通坐标系下，进行拉压分区，从而推导了考虑自重且顶部有水平推力的不同模量弯压柱近似弹性力学解答，并由横截面上正应力为零判定了中性层的形状和位置。

Consequently,in this study we introduced genes that encode the xylose isomerase and xylulokinase precisely under the control of a strong,constitutive glyceraldehydes-3-phosphate promoter by PCR-mediated overlap extension,which is in charge of xylose assimilation;and also we introduced genes that encode the transaldolase and transketolase precisely under the control of enolase promoter,which is in charge of xylose utilization,then transformed plasmid with the two operons into Z.

因此，本文通过代谢工程手段，将负责木糖代谢转化的木糖异构酶基因和木酮糖激酶基因置于强组成型启动子3-P-甘油醛下；同时将负责木糖转化利用的转醛醇酶和转酮醇酶基因置于强组成型启动子烯醇酶下，通过电转的方式将上述四个基因转入到Zymomonasmobilis CP4中，从而在运动发酵单胞菌中构建起一套完整的木糖代谢途径。

The substantive principle of nulla poena sine lege emphasizes that crimes and punishments must be stipulated definitely by law. As to the constitutive elements of crime, if they are based on the clear authorization and clarified by administrative rules and regulations, they are not considered to be against the principles of democracy, rule of law and law specificity.

实质的罪刑法定原则强调的是犯罪与刑罚必须由法律明确规定，至于犯罪构成要件，如果是基于明确授权而由非法律的行政法规、规章等来明确，则认为并不违背民主法治和法律专属性原则。

And then the influence of two of the damage models, the Kachanov and the gradient-dependent constitutive equations, on the well-posed properties of the fundamental equations in continuum damage mechanics is studied according to the characteristic method of the quasi-linear partial differential equations under the case of one dimension elastic damage.

首先从非局部理论出发，推导了应变梯度损伤本构方程；然后利用一阶拟线性偏微分方程组的特征理论，在一维弹性损伤情况下分析了两种不同的本构模型，即Kachanov损伤本构方程与应变梯度损伤本构方程，对连续介质损伤力学基本方程适定性的影响。

Based on the principle of interaction between plastic volumetric strain and plastic generalized shear strain,the method of numerical modeling for constitutive relations of clay is studied.

以塑性体应变与塑性剪应变之间的相互作用原理为指导，对粘土本构关系的数值建模方法进行了研究。

Finite-strain constitutive relationship based on Oldroyd objective rate of Kirchhoff stress by τ-γ curve of torsion test with cylindrical specimens is presented.

以扭转实验测得的τ-γ曲线为基础，采用各向同性硬化大应变J2流动本构理论，给出了基于Kirchhoff应力的Oldroyd客观导数的塑性刚度函数h的表达式，建立了相应的大应变本构关系。

Several objective spins of solid cylinder torsion deformation were rendered and the large deformation elastoviscoplastic constitutive relationship s were derived for the Oldroyd stress rate,the generalizing Jaumann stress rate and the stress rate with respect to the spin of the frame of deformation rate with the aid of stress-strain curve from torsion test.

应用等向强化的J2流动塑性理论，建立了以扭转试验的应力—应变曲线为基准的，分别由Oldroyd、广义Jaumann应力导数和相对于变形率标架旋率的应力导数表述的大变形弹塑性本构关系。

In the paper,spin of deformation rate frame Ωd is discussed in the process of torsion test and it is derived large strain constitutive relationship of elastoviscoplastic based on τ—γ curve of torsion test while objective stress rate is based on spin of deformation rate frame Ωd.

选用扭转实验标定大变形弹塑性本构关系，讨论在实心圆轴扭转实验中，变形率标架旋率Ωd的具体形式。

A constitutive model test on glass fiber reinforced polymer tube confined concrete was carried out.

进行了玻璃纤维增强塑料管约束混凝土本构模型试验。

First, an energy non-local model is presented to derive the constitutive equation of a new strain gradient theory.

首先，提出了能量非局部模型，并由此模型，得出新应变梯度理论的本构关系；其次，由变分原理，得出相应的有限元公式；再次，给出了微压痕硬度的有限元分析方法；最后，将该理论预测结果与经典理论预测结果以及实验结果进行了对比。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。