不动性

We study the commmon fixed point of nonexpansive semigroups in Banach space, and obtain some strong connvergence theorems on an iterrative method for a family of nonexpansive mappings in Banach space.

研究了Banach空间上非扩张半群的收敛公共不动点，以及一类有限非扩张映射族的强收敛性。

A new strain ZOYM was isolated from deep ocean of China and its 16S rRNA gene sequence showed high homology with that of the other published Planococcus species.

从来自中国深海的样品中分离到一株菌株ZOYM， PCR获得其16S rRNA基因序列，经比对，与已发表的动性球菌属的不同种高度相似。

In chapter 2, first, the index of random fixed point for random semiclosed 1-set contractive operator is investigated.

其次 讨论了随机半闭1-集压缩算子随机不动点的存在性，所获结果推广了著名的Rothe定理、 Petryshyn定理和Altman定理。

The aim of this thesis is to study the existence of positive solutions of boundary value problem for nonlinear second order ordinary differential equations , mainly using the fixed point index theory in a cone. The conditions of the existence of positive solutions of the boundary value problem are given in the thesis. We improve the result of the existence of positive solutions either in the sublinear or in the superlinear conditons.

本文主要利用锥上不动点指数定理，解决非线性二阶常微分方程边值问题的正解的存在性问题，并给出了边值问题正解存在的条件，改进了次线性和超线性条件下正解存在的结论。

By using the Krasnoselskii fixed point theorem, an existence result of two positive solutions is obtained under suplinear condition and sublinear condition.

讨论一类四阶非线性微分方程组Dirichlet边值问题正解的存在性，利用Krasnoselskii不动点定理得到这类边值问题在超线性和次线性条件下至少存在两个正解。

In section 2, we make some preparations for next setion. In section 3, we study the coexistence of the system and derive sufficient conditions of the system and some important corollaries. In setion 4, we prove the existence of positive periodic solutions by the fixed point theory.

本文具体安排如下：第一节介绍引言；第二节介绍准备工作；第三节研究了系统的共存问题，给出了系统共存的充分条件及一些重要推论；第四节利用不动点理论证明了系统周期正解的存在性。

In chapter 3, as a application of fixed point theorems in gauge spaces, by using the results in chapter 2 we study the existence and uniqueness of solution for integral equation of Voletrra type in C.

第三章，作为度规空间中的不动点定理的应用，我们利用第二章中的结果，在C空间中研究了Voletrra型积分方程解的存在性与唯一性。

In Chapter 2, we study the existence of positive solutions for two-point and three-point boundary value problems of nonlinear differential equations.

第一节，运用锥拉伸与锥压缩不动点定理研究二阶三点边值问题正解的存在性。

In section 2, we study the existence of sign-changing solutions of some three-point boundary value problem by the cone theory and the fixed-point index theory.

本文利用不动点指数定理研究了如下两种二阶微分方程多点边值问题变号解的存在性，同时分别得到了一个正解和一个负解。

Firstly in§2.1, by applying the fixed point theorem the existence of positive solutions for second-order three-point boundary value problem is discussed.

第二节，运用不动点定理研究四阶两点边值问题正解的存在性。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。