导数

First, we take the analysis of phase-plane on the invariant plane for the perturbed and unperturbed systems.

在第一章绪论中，我们简要介绍了近可积系统的相关内容，给出了具五次和导数项的非线性Schrodinger方程的物理背景，数值实验结果，研究状况以及本文所讨论的基本内容。

Whether the upper bound of the derivation of the delay is restricted or not. The results obtained are

的衰减率。所获得的指数稳定性指标也适用于变时滞的导数已知和未知的情况，且比现存的

The upper bound of the derivative estimation error using proposed scheme is computed in order to compare with those using AVSDE.

并以本文提出的技巧来计算出导数估测误差的上界后，和AVSDE计算出的上界两者做比较。

A new method that introduces the new free-weighting matrices is proposed to estimate the upper bound of the derivative of the Lyapunov function by considering the additional useful terms which are ignored in previous methods.

新方法考虑一些以前方法中通常忽略的有用的项，引入一些自由权重矩阵，估计Lyapunov泛函导数的上界；再用凸优化算法，进一步给出状态反馈控制器的设计方法。

The results showed that both the break point on the Ia-c curve and the minimum of the derivative variation corresponding to the λa-c curve agreed very well with the critical micelle concentration of the surfactant in aqueous solution as measured by surface tension technique.

以对二甲氨基苯甲腈为探针，测定它在表面活性剂(C12TABr、SDS、C12E23、C12-3-12·2Br)水溶液中的第二重荧光强度和对应的特征波长对表面活性剂浓度曲线，由Ia-c 曲线的转折点或λa-c曲线对应的一阶导数极小点可以获得临界胶团浓度。

The part of calculus that deals with the variation of a function with respect to changes in the independent variable by means of the concepts of derivative and differential.

微积分学中有关用导数与微分的观念讨论函数随独立变量改变的部分。

On the basis of the un conditional variational problem of higher order derivatives, this paper studies conditional variational problem .

在含高阶导数的泛函无约束变分问题基础上，进一步研究条件变分问题。

Based on the discussion,a simple and clearly defined vector equation of kinematic error for robots,has been derived for practical use by means of space vector,characteristicsof space vecto...

据此，利用D-H 坐标变换与空间矢量的关系，以及空间矢量导数性质，推导了简洁实用、意义明确的机器人运动误差矢量方程，并就该方程在一般空间机构运动精度研究时的应用实例作了说明。

Let be a vector field, where ,,have continuous first derivatives.

设是一向量场，，，有一阶连续偏导数。

This numerical model, derived from viscid incompressible Navier-Stokes equations and finite volume method, aimed to solve the flow field around section undergoing prescribed vibration, and obtained aerodynamic forces series, with the ultimate objective to extract the flutter derivatives of the section.

该模型以粘性不可压Navier-Stokes方程和有限体积法为基础，通过求解作强迫振动的断面绕流场，由得到的气动力时程得到断面的气动导数。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。