定性理论

准B∩F型单瞬时Q过程的定性理论

The Qualitative Theory Quasi B ∩ F Type Q-Process with Single Instantaneous State

奇点定性理论中的V函数微分法

On the Differential Calculus of Liapunov Functions in the Qualitative Theory of Singular Points

由13C-NMR的化学位移值计算了苯衍生物各正则结构的权值，从而使原为定性理论的共振论上升为定量理论；

The originally qualitative resonance theory becomes quantitative by calculation of weights of canonical structures with chemical shift values of 13 C NMR .

利用方势阱模型对InxGa1-xN/GaNMQWs结构的光特性进行了量子力学定性理论分析。

A qualitative quantum-mechanical theoretic analysis of optical characteristic of In_xGa_1-xN / GaN MQWs based on square-well model was given .

运用常微分方程定性理论的相平面分析方法讨论了Huxley方程，得到了有关其行波解的一些结果。

Huxley equation is discussed by the method of phase plane analysis in ODEs , and some results of travelling-wave solutions are obtained .

利用微分方程的定性理论和Liapunov中心定理研究高维自治情形Birkhoff系统周期解的存在性。

Qualitative methods of ordinary differential equation and Liapunov center theorem were used to study the existence of periodic solutions for higher order autonomous Birkhoff systems .

用微分方程定性理论和分支理论的方法，讨论了轴流压缩系统的振动模型，证明了周期解和Homoclinic轨道的存在性。

By using the methods of qualitative theory and bifurcation theory , a surge model of the axial flow compression system is analyzed more completely . The existence of periodic solutions and homoclinic orbits is proved .

应用微分方程定性理论和构造Liapunov泛函方法，讨论了该系统平衡点的存在性，证明了平衡点的全局与局部的渐近稳定性。

The existence of the equilibrium points in this ecosystem is discussed by using the Qualitative Theory of Differential Equation and the Method of Constructing Liapunov Function , and the global and local asymptotic stability of the equilibrium points is proved .

本文针对一类具有HollingⅣ功能性反应函数的捕食系统，应用微分方程稳定性和定性理论、重合度理论，证明了系统正平衡点全局稳定性，极限环的存在唯一性和周期解的存在性。

In this paper , predator-prey systems with Holling ⅳ functional response is studied . With utilizing differential equations stability and qualitative theory , coincidence degree theory , we prove the global stability of positive equilibrium point , the existence and uniqueness limit cycle and existence of periodic solutions .

在探讨微分方程定性理论中，尤其在探讨微分方程（组）的稳定性、解的估计及有界性的过程中，Gronwall-Bellman-Bihari不等式是一强有力的工具。

In the study of the qualitative theory of differential equations , especially in the study of the stability of differential equations , the estimate of solutions and the boundedness of solutions , Gronwall-Bellman-Bihari inequality can be used as handy tools .

数学物理反问题不适定性理论研究

The Research of Ill - posted Theory of Math-Physics Inverse Problem

定性理论与数值计算有着紧密的联系。

There are close connections between qualitative theories and numerical computation .

方法运用常微分方程定性理论进行讨论。

Methods The qualitative theories of ordinary differential equations are used .

本文对差分方程定性理论的发展有重要的促进作用。

It will motivate the development of qualitative theory of difference equations .

系统可靠度最优布局的一种定性理论

A qualitative theory on the optimum allocation of system reliability

定性理论中的奇点分类及其拓扑等价性

Taxonomy and topology equivalence of odd number in qualitative theory

对简单压缩波定性理论的质疑

Raising Doubt About the Qualitative Theory of Simple Compression Wave

常微分方程定性理论与稳定性理论的哲学思考

Philosophical Reflections on Qualitative Theory and Stability Theory of Ordinary Differential Equations

溶剂效应的定性理论及定量研究

The Qualitative Theory and Quantitative Study of Solvent Effect

对维数较低的系统特别是二维平面系统，定性理论的研究已取得丰富的结果。

Plentiful results are obtained from systems of lower dimensions , especially from planar systems .

其中，我国大型家电企业跨国经营的战略思路为本文重点研究内容。针对上述内容，本文采用定性理论分析、战略模型、数量模型等研究方法。

Theory analysis , statistical model and strategic model are used to study the content .

结论常微分方程定性理论可用于研究生物化学反应。

Conclusion The theories of ordinary differential equations can be used to study bio-chemical reaction .

中心焦点判定是微分方程定性理论的重要组成部分之一。

The center focus decision problem is an important part of the differential equation theory .

常微分方程定性理论在动态裂纹尖端场分析中的应用

Application of the quantitative theory of ordinary differential equations to analyzing a dynamic crack tip-field

积分因子在定性理论中的性质及其应用

The Properties and Applications of the Integrating Factor in the Qualitative Theory of Ordinary Differential Equations

跳跃运动的定性理论

A qualitative theory of jumping motion

用常微分方程定性理论，研究了一类生化系统奇点的性态。

By the theory of ordinary differential equation the singular points of a biochemical system are discussed .

而数值计算的结果向定性理论提供了具体和丰富的素材。

At the same time , the results of the numerical computation provide abundant material for qualitative theories .

运用微分方程的定性理论，讨论了模型平衡点的渐近稳定性及模型解的一致有界性。

In this paper , the inverse problems of one-dimensional classic scattering and bound dynamical problems are studied .

最后，又研究了该问题的时滞相关镇定性理论和跟踪控制问题。

Finally , we studied the delay-dependent stability theory and the tracking control problem of the above systems .