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A kind of delay parabolic partial differential equation is studied. A numerical method is proposed by discrete skill. The numerical stability for this kind of delay parabolic partial differential is analyzed by interpolation method.

研究了一类时滞的抛物型偏微分方程初边值问题，利用离散技巧，提出了一种数值方法，然后在一定插值技术下分析了算法的稳定性。

Based on a general parametric eigenstructure assignment result proposed for descriptor linear systems via proportional plus partial derivative state feedback and a result for generalized eigenvalue sensitivity problem of matrix pairs, parametric representation of the closed-loop eigenvalue sensitivities to the perturbed elements in the open-loop system matrices is obtained. An effective algorithm for eigenvalue assignment with minimum sensitivity in descriptor linear systems via proportional plus partial derivative state feedback is then proposed.

摘要基于广义线性系统比例与部分状态导数反馈参数化特征结构配置结果和矩阵对广义特征值灵敏度结果，得到了关于开环系统矩阵中摄动元素的闭环特征值灵敏度的参数表达式，并在此基础上提出了广义线性系统比例与部分状态导数反馈最小灵敏度特征值配置的有效算法。

Surgeries were performed in 8 patients, including sleeve tracheal resection in 2 patients, partial tracheal wall resection in 3 patients, total laryngeetomy and partial excision of the trachea with thyroid lobectomy in 1 patient, and endoscopic YAG laser surgery in 1 parle,at.

行手术治疗者8例，其中行气管袖状切除者2例，部分气管壁切除者3例，全喉、部分气管及甲状腺腺叶切除者1例，内窥镜下YAG激光切除者1例，气管开窗肿瘤剔除术1例。

First,the BP neural network to carry on the partial diagnosis to the fault information is used,then the fusion using the D-S evidence theory to the partial diagnosis result is carried on,and the final fault result is obtained.The introduction of D-S evidence theory increases the diagnosis result reliability and the accuracy,enhances the diagnosis algorithm compatibility.

首先用BP神经网络对故障信息进行局部诊断，然后利用D-S证据理论对局部诊断结果进行融合，进行全局诊断，得到最终的故障结果。D-S证据理论的引入，增大了诊断结果的可靠性和准确性，提高了诊断算法的适应性。

Take the 8K mirror kneading board, the electricity galvanized sheet as a ledger wall, after carrying on the etching treatment, carries on the intensive processing again to the object surface, may carry on the partial sand blasting, the wiredrawing, the gold inlay, the partial titanium gold and so on various types complex craft processing, realizes the design light and shade interaction, the color gorgeous effect.

以8K镜面板，电镀板为底板，进行蚀刻处理后，对物体表面再进行深加工，可进行局部的喷砂，拉丝，嵌金，局部钛金等各式复杂工艺处理，实现图案明暗相间，色彩绚丽的效果。

A concept of partial derivative called pseudo-partial-derivative is used to dynamically linearize a nonlinear system, and an aggregation method is applied to deal with the future predictive PPD.

基于pseudo-partial-derivative的概念动态线性化非线性系统，利用集结方法处理未来预测时刻的PPD，实现了非线性系统的自适应预测函数控制。

In this paper, the author is concerned with the problems that are to be solved in the field of Partial Difference Equations such as the following: the existence of oscillatory solutions of some partial difference equation, the asymptotic behavior of positive solutions of the same equation.

本文旨在研究当前偏差分方程领域中尚待解决的有关振动解的存在性及正解的渐近存在性等问题。

Chapter 2, we investigate the existence of multiple positive solutions of the neutral partial difference equations on the base of the existed results of partial difference and difference equations, and obtain some sufficient conditions for the existence of multiple positive solutions.

第二章，基于已有的偏差分方程和差分方程的结果，我们研究了高阶非线性中立型偏差分方程多正解的存在性问题，建立了判断多正解存在的充分条件，对前人的结果进行推广。

A kinetics model for martensitic transformation is established based on the fact that the partial derivative of martensitic fraction with respect to temperature is in linear relationship with the partial derivative of free energy difference with respect to temperature.

基于马氏体体积分数对温度偏微分与自由能差对温度偏微分呈线性关系的事实，通过对实验曲线的模拟，提出一种新的马氏体相变动力学公式。

Let the obtained modality parameters be substituted into the coupling vibration partial differential equation and transform the complex partial differential equation into the variable coefficient nonlinear or...

把所得模态参数代入耦合振动偏微分方程中，将复杂的偏微分方程转化为变系数非线性常微分方程组，用Runge-Kutta方法获得方程的数值解。

Hanna: That's over now, isn't it?

都结束了，对吗

You must be ill. You look so pale.

你一定是病了，你的脸色苍白。