pseudo differential equation

In this paper,through construction of an asymptotic solution,We give a necessary condition of the micro local form to local solvability of boundary value problem of pseudo differential equation with two variables.

利用微局部分析的工具，讨论了含两个变量的拟微分方程边值问题的局部可解性；通过构造渐近解的方法，给出了上述问题局部可解的微局部形式的必要条

Difference for Two Convex Compact Sets and the Relation Between Clarke Generalized Jacobi and Quasidifferential;

两个凸紧集的差及Clarke广义Jacobi与拟微分的关系

Demyanov proposed the relations between Clarke generalized gradient and quasidifferential for a d regular function and a cd regular function respectively.

Ｄｅｍｙａｎｏｖ分别对两类称为ｄ－正则和ｃｄ－正则的非光滑函数建立了Ｃｌａｒｋｅ广义梯度和拟微分之间的关系。

Based on structuring a quotient space,consisting of pairs of convex compact sets,this paper discusses the uniqueness of quasidifferential of quasidifferentiable function.

本文在构造凸紧集对商空间的基础上，讨论了拟可微函数拟微分的唯一性，指出拟微分的表示可以不唯一。

The realization of mixed transmission of analog and digital microwave by existing analog microwave transmission path can help to save capital and achieve the aim of digital transmission of signals.

如果利用已有模拟微波传输通道,实现模拟和数字微波信号的混合传输,不仅可以节约资金,又能达到信号数字化传输的目的。

And the continuity of some relevent operators is proved also by using a theory of pseudo-differential operator.

利用广义函数理论证明了一类广义Ｒａｄｏｎ变换及其对偶变换在分布空间上的连续性；并且利用拟微分算子理论证明了一些有关算子的连续性。

On the basis of the study of pre-wavelet and pseudo-differential operator,the wavelet transform by η~j_e,k operator was studied,and some new useful results have been obtained.

在研究拟微分算子及预小波基础上,探讨了jeη,k算子作用下的小波变换,得到了一些新的有用的结果。

First, according to the theory of pseudo-differential operator,we study the properties of integral operator and the existence of weak solution, secondly, by use of BEM, we discret the integral equation and obtain the numerical solution.

首先，据拟微分算子的理论，讨论了积分算子的性质及问题弱解的存在唯一性；接着采用边界元方法，离散积分方程得到数值解；最后，给出了解的全局误差估计及内部超收敛估计。

Three-dimensional cultivation of rabbit corneal keratocytes in composite materials under simulated microgravity;

模拟微重力条件下兔角膜基质细胞在复合材料上的三维培养

Objective The purpose of the study was to explore the effects of simulated microgravity on the culture of stabilized fibrin-chondrocyte constructs.

目的:研究模拟微重力条件对体外构建工程化软骨的影响。

Objective To detect gene expression of G6PD in Kunming mouse preimplantation embryos which were cultured in vitro under 1 g gravity and simulated microgravity.

目的研究模拟微重力条件下培养的小鼠早期胚胎体外发育与1g重力条件下体外发育的差异。