第一章：引言和预备知识部分，主要是关于微分算子的积算子自伴的研究情况和对称微分算子的一些基本知识。
Chapter one is divided into two parts: in the first part, we give the simple summarize of adjointness of differential operator product;
此外讨论了一个非自伴的问题，对它和它的伴随问题的特征值、特征函数进行了详细的讨论，得到了一特征展开定理。
Besides, by giving a Dirac eigenvalue problem example and studying the eigenvalue and eigenfunction of it and its adjoint problem, we can obtain an eigenfunction expansion theorem.
此前对微分算子的积算子自伴的研究主要集中于由同一个对称微分算式生成的两个或多个微分算子积的自伴问题上，取得了一些成果。
In this paper, we get the self-adjointness of the product operators generated by different two differential expressions by operator theory and matrix calculation.
本文分别将华氏自伴矩阵几何与对称矩阵几何基本定理推广到无限维的情形。
We extend Hua′s fundamental theorems of the geometry of self-adjoint matrices and symmetric matrices to the infinite-dimensional case.
本文研究一类自伴算子的积分形式，利用这种形式证明这类自伴算子的谱集是离散的，然后推出几个性质。
This paper discusses the integral representation of a class of self-adjoint operators. By applying such representation, it is proved that the spectrums of such operators are discrete.
自限温伴热带是一种理想的发热元件，是具有一定科研价值及市场推广应用价值的高新技术产品。
The self-regulating heating cable is a ideal heating component and is called as the advanced technology product with the value of scientific research and application.
作为应用，获得自伴算子空间和对称算子空间上的约当环同构的具体刻画。
Application to characterizing the Jordan ring automorphisms on the space of self-adjoint operators and the space symmetric operators are also presented.
指出由于在曲线坐标系中，动量算符的分量不一定满足自伴性，因而公式不能成立。
In this paper, that the formula of cannot be tenable is pointed out because of the component of the momentum functor not always satisfying the self-adjointness in the curvilinear coordinate system.
目的：探索腹水回输自滤的治疗方法在肝硬化伴顽固性腹水患者中的治疗效果，不良反应。
Objective to observe the effect that the patients with hepatocirrhosis treated by ascites concentration and retransfusion.
目的：探索腹水回输自滤的治疗方法在肝硬化伴顽固性腹水患者中的治疗效果，不良反应。
Objective to observe the effect that the patients with hepatocirrhosis treated by ascites concentration and retransfusion.
应用推荐