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periodic environment
相关语句
  周期环境
     Optimal control of population dynamic system with age-structure in periodic environment
     周期环境下具有年龄结构种群动力系统的最优控制
短句来源
     A neutral delay competitive two-species Lotka-Volterra competition dynamics systems are investigated in periodic environment.
     本文研究了周期环境下中立时滞两种群Lotka-Volterra竞争动力系统。
短句来源
     With the help of a continuation theorem based on Gaines and Mawhin's coincidence degree, easily verifiable criteria are established for the global existence of positive periodic solution of an impulsive equation with a distributed delay in a periodic environment.
     利用Gaines和Mawhin的重合度理论,给出了一个周期环境下具有分布时滞的脉冲微分方程的正周期解的存在性的判定。
短句来源
     THE COOPERATIVE OR COMPETITIVE SYSTEMS IN A PERIODIC ENVIRONMENT
     周期环境中的竞争或共存系统
短句来源
     The optimal control problem of linear population dynamic system with age-structure in periodic environment was investigated.
     在周期环境下,研究一类具有年龄结构种群线性动力系统的最优控制问题.
短句来源
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  “periodic environment”译为未确定词的双语例句
     ALMOST PERIODIC SOLUTIONS OF SINGLE POPULATION MODELS WITH ALMOST PERIODIC ENVIRONMENT
     ALMOST PERIODIC SOLUTIONS OF SINGLE POPULATION MODELS WITH ALMOST PERIODIC ENVIRONMENT
短句来源
     Since periodicity exists in nature and human society generally, it has also existed in these three models because of the effect of periodic environment and manual behavior.
     周期性是自然界和人类社会中普遍存在的现象,在周期性的环境因素或是人为外力以及系统自身内在因素的作用下这些系统都将呈现出一定的周期性。
短句来源
     It is shown that a strongly self-regulating (or resource limited)Lotka-Volterra popula-tion system Can "persist" in a periodic or almost periodic environment,if,and only if the srstem tracks the environmental variations.
     就一类具有周期或概周期的Lotka-Volterra系统持续生成问题给出了一组充要条件,并运用Lya-punov函数对相应的定理给出了证明。
短句来源
  相似匹配句对
     environment;
     环境;
短句来源
     The Environment
     环境
短句来源
     THE COOPERATIVE OR COMPETITIVE SYSTEMS IN A PERIODIC ENVIRONMENT
     周期环境中的竞争或共存系统
短句来源
     A Management Method of Periodic Task on VxWorks OS Environment
     Vx Works操作系统环境下一种周期任务管理方法
短句来源
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  periodic environment
In this model, symmetric simple exclusion in one dimension in a periodic environment, the dynamical term in the Green-Kubo formula contributes to the bulk diffusion constant.
      
Avoidance of competitive or other types of exclusion of species in a periodic environment is indicated.
      
Optimal control for a population dynamics with?age-dependent and diffusion in a periodic environment
      
The evolution of dispersal rates in a heterogeneous time-periodic environment
      
Parameter constraints are determined for which the average population numbers in the periodic environment are greater than (or less than) the equilibrium population numbers in the associated constant environment.
      
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It is shown that a strongly self-regulating (or resource limited)Lotka-Volterra popula-tion system Can "persist" in a periodic or almost periodic environment,if,and only if the srstem tracks the environmental variations.

就一类具有周期或概周期的Lotka-Volterra系统持续生成问题给出了一组充要条件,并运用Lya-punov函数对相应的定理给出了证明。

In this paper we investigate the existence and stability of almost periodic solutions of some single population models with almost periodic environment. We obtain some results about the existence and stability of the positive almost periodic solutions.

ALMOSTPERIODICSOLUTIONSOFSINGLEPOPULATIONMODELSWITHALMOSTPERIODICENVIRONMENTHeChongyou(NanjingUniversty)(何崇佑)南京大学,邮编:210008Ab...

This paper devotes to study the N species competition system with time delays in a periodic environment. some verifiable sufficient conditions which are easy to be verified for dissipation, the existence of periodic solution and global asymptotic stability of periodic solution are obtained.

1IntroductionItisknownthatmethodsofmathematicalmodelcanbeusedtodescribethedynamicalbehavioramongspeciesinecology.Recentlyman...

 
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