derivative element
英 [dɪˈrɪvətɪv ˈelɪmənt]
美 [dɪˈrɪvətɪv ˈelɪmənt]
网络 微分环节; 微商元件
双语例句
- CONCLUSIONS The derivative flame atom absorption methord is a comparable high sensitive way to test the beneficial element in traditional Chinese medicine.
结论：导数火焰原子吸收法是测定中药中微量有益元素的一种灵敏度较高的方法。 - In this paper, we discuss a class of second order quasi-linear elliptic equation and obtain the asymptotic expansion and superconvergence of finite element function and derivative by using generalized finite element method.
就一类二阶拟线性椭圆型方程，应用广义有限元方法，给出了有限元函数和导数的渐近展式和超收敛结果。 - Then, using the second-order central difference to discretize the time derivative of the displacement, and applying the quadrature formula to the mass matrix, a fully discrete lumped mass Morley element method is developed for the same problem.
然后利用中心差分格式离散时间方向的二阶导数，再利用适当的求积公式得到薄板弯曲问题的集中质量Morley元全离散格式。 - The safe index of design performance is defined as the negative natural logarithm of structural failure probability in this paper. The safe grade of design performance is got by calculating the one-order partial derivative of the structural failure probability to the reliable indication of every structural element.
定义结构失效概率的自然对数的负值为设计性能安全指数，通过计算结构失效概率对各构件可靠指标的一阶偏导数的方法，求出结构的设计性能安全等级。 - A new calix [ 4] arene derivative ( C-Br-IP) with fluorescene group have been synthesized and characterized by IR, NMR, ESI-MS and Element Analysis.
本文设计合成了具有荧光特性的新型杯芳烃衍生物C-Br-IP，并通过红外、核磁、电喷雾质谱和元素分析等方法进行了表征，确认为目标产物。 - The Derivative good Points for the Finite Element Method with 2 degree Triangular Element
有限元二次三角形单元的应力佳点 - With the two-degree-of-freedom semi-active suspension model, a new controller is designed by set a first derivative element in series to the optimal controller to compensate for the delay of the response.
基于两自由度半主动悬架系统模型，通过在最优控制器的执行机构上添加一个一阶微分环节，实现了对控制输入预测控制，补偿了控制系统响应的滞后。 - The asymptotic expansion of the derivative of elliptic Ritz projection with linear finite element has been obtained by performing certain classes of "uniform" meshes. It is proved by means of the Richardson extrapolation that the accuracy in calculating the derivative with linear finite can be raised.
对区域施行某类一致剖分，关于线性元给出椭圆Ritz投影的微商的渐近展式，应用Richardson外推，证明可以提高线性有限元微商的计算精度。 - The Duncan-Chang E-B model is used to simulate the non-linear mechanical behavior of soil. With the separation of hydrostatic stress and stress deviator, a partial derivative formulation about displacement and parameter is derived in finite element evaluation.
以能较好模拟土体非线性力学行为的Duncan-ChangE-B模型为基础，通过分解应力球量与应力偏量，导出一个在有限元计算中，位移对参数偏导数的数值计算公式。 - This article devotes itself to establishment of mathematical model and combination of derivative of shape function of such element type.
这篇文章致力于建立这种等参数单元的数学模型，进行形状函数偏导数的组合； - It was deduced that the derivative value is proportional to the concentration of the element to be determined, and was verified experimentally.
导出了微分值与被测元素浓度成正比，并被实验证实。 - Shareholder derivative litigation created and developed in the common law tradition, many aspects of the system with a very strong element of judicial discretion.
股东派生诉讼产生并发展于普通法传统，该制度的诸多方面都带有非常浓厚的司法裁量因素。 - Based on fuzzy control principle, the proportional gain of the derivative compensating element can be automatically adjusted online according to the changing amplitude of the unit power demand.
基于模糊控制原理根据机组负荷设定值的变化幅度在线自动调整微分补偿环节的微分增益系数。 - The elastic matrixes, the stiffness matrixes and their partial derivative matrixes were derived based Zig-zag sandwich plate finite element model and written corresponding program to calculate the stiffness matrixes and their partial, derivatives matrixes.
基于Zig-zag夹层板有限元模型，推导了弹性阵、刚度阵及其偏导阵，编制了相应程序计算刚度矩阵及其偏导阵。 - Meanwhile, the internal force vector and the element tangent stiffness matrix could be obtained from calculating directly the first derivative and second derivative of the element strain energy with respect to the nodal variables, respectively.
同时，采用矢量型转动变量，可以直接从计算单元应变能泛函对节点变量的一阶和二阶偏微分得到单元内力矢量和切线刚度矩阵。