在生态系统中，捕食被捕食模型具有很好研究价值。
In an ecological system, predator-prey model is well studied.
摘要：本文建立了一类二维非线性生灭捕食——被捕食模型。
Abstract: in this paper, a 2-dimension, nonlinear birth-death prey-predator model is established.
本文主要使用度理论证明了这些捕食模型在一定条件下存在非常数正稳态解。
In this paper, by making use of the Degree theory, we prove the existence and non-existence of the positive steady-state solutions to these models on a certain of conditions.
本文讨论来自于生态学中的几类反应扩散和交错扩散捕食模型的模式生成问题。
In this dissertation, we are concerned with the pattern formation of some prey-predator models with reaction and diffusion from biology.
本文从耗散结构理论出发，推导了营养动力学的捕食模型等效于一类扩展的二分子模型。
Based on the theory of the dissipative structure, this paper has demonstrated that the predation model of the nutrition kinetics equals the quasi-bimolecular model.
包括两大部分：第一部分中，假设为捕食被捕食模型，根据在卧龙保护区收集的数据得到两个稳定态；
It included two parts. In first part a predator-prey model was proposed. Two stable states were obtained according to eclolgical data of panda and bawboo in area of Wolong Reserve.
本文研究这样的一类捕食模型：捕食者不但有模型中被捕食者作为食物，而且还有其它固定的自然食物源。
This paper deals with such a class of predator-prey models that the predator, in addition to the prey considered, has other natural sources of food.
遥控飞机，有的只有飞机模型那么大，有的则有美国的“捕食者”无人机和“全球鹰”无人侦察机那么大，例行地监测阳光穿过云层的情况，以及在飓风上方进行飞行。
Remotely operated planes, some the size of model airplanes and some the size of military Predators and Hawks, routinely monitor sunlight passing through clouds and fly over hurricanes.
为了创建“挑尾”捕食传播的数学模型，研究人员利用了27年来在缅因湾赏鲸船上收集的数据。
To create mathematical models for the spread of lobtail feeding, researchers used 27 years of data from whale-watching boats in the Gulf of Maine.
提出并研究了一类具有脉冲干扰和混合功能反应的三种群捕食链模型。
A food chain model of three species with impulsive perturbations and mixed functional response is proposed and studied.
模型显示花更长时间进行“挑尾”捕食的座头鲸更有可能是自学的。
Those models assumed that humpback whales that spend more time with lobtail feeders were more likely to pick up the method themselves.
构造了一个具有阶段结构的捕食—食饵模型，并研究了庇护所效应对于该系统平衡点的稳定性、平衡密度及其种群长期续存的影响。
This paper studied the effect of prey refuges on the stage-structured predator-prey model with two life stages-immature and mature, and with a mature prey using refuges.
我们研究的是一类基于个体相互作用的带有传染病的捕食者与被捕食者模型。
What we study is a kind of prey-predator model with epidemic spreading in it based on agents' interactions.
本文讨论了一类具有功能反应函数的捕食食饵模型。
In this paper, we consider a class of predator-prey system with functional responses.
从生物的捕食系统出发，提出了一种斑块生境中具有异质捕食风险的新机制，并构造了一个动力系统模型。
Starting from natural predation systems, we present a new mechanism involving heterogeneous predation risk, and develop a new dynamical system model in patchy habitats.
研究了具有反馈控制与第二类功能性反应函数的周期捕食-食饵模型。
Predatorprey model with feedback control and type II functional response function is investigated.
在这篇文章中，我们提出并分析了一个具有捕食者，食饵和既有周期脉冲输入又有周期脉冲输出营养液的恒化器模型。
In this paper, we present and analyze a simple model for a chemostat with predator, prey and periodically pulsed input and washout substrate.
为模拟自然界中既包含竞争关系又包含捕食-被捕食关系的生态系统，建立用常微分方程组表示的环状模型。
An annular model for chemostat was depicted by a group of ODE(ordinary differential equation) to imitate the ecosystem which included competition and predator-prey relations in nature.
研究了一类捕食者-食饵模型的平衡态系统在第三边界条件下正解的存在性。
The existence of positive solutions of the steady-state system is studied for a kind of predator-prey model under the third boundary conditions.
研究了一类具有生物和化学控制（周期释放天敌和喷洒杀虫剂）的两食饵-两捕食者模型的动力学性质。
In this paper, the method of Hidden Periodic Model was used to study the parameters estimation in two species predator-prey model.
为了求解上述模型，首先利用FLOYD算法求得不完全无向图中各节点间的最短路径和最短路径长度，然后设计了捕食搜索算法对模型进行求解。
To solve the model, the shortest path and its length of every two nodes in the incomplete undigraph are calculated with FLOYD algorithm, and a predatory search algorithm is designed for the solution.
提出并研究了一类具有脉冲干扰和混合功能反应的三种群捕食链模型。
In this paper, a three species food chain model with impulsive perturbations e.
主要得到以下结论：1。建立了一类疾病在捕食者中传播且具有标准传染率的强身型捕食。食饵模型。
We obtain the following main results. 1. A strengthen type predator-prey model of predator with disease and standard incidence is formulated and analyzed.
第二章以季风、河流流向等自然条件和生物生活习性为背景，建立食饵单向扩散的捕食-被捕食系统的常微分模型。
In the second part, a predator-prey model of ordinary differential with one-way diffusion is studied considering the monsoon, river flows, other natural conditions and living habits as background.
本文研究一类随着食物量的增加捕食者捕食速度的变化率起变化的种群模型。
In this paper, the population model which the velocity of the preying rate of the predator population changes when quantities of the prey population increase is concerned.
第二章对一类捕食-食饵模型解的分歧和稳定性进行了讨论。
In chapter 2, the local bifurcation and stability of positive steady-state solutins for a class of predator-prey model are investigated.
为了求解上述模型，首先将模型进行清晰化处理，使之转化为一类确定性多设施车辆路径模型，然后设计了嵌入FLOYD算法的捕食搜索算法对之进行求解。
The model was firstly converted into a crisp multi-depot vehicle routing problem, and then it was solved by a predator search algorithm with FLOYD.
为了求解上述模型，首先将模型进行清晰化处理，使之转化为一类确定性多设施车辆路径模型，然后设计了嵌入FLOYD算法的捕食搜索算法对之进行求解。
The model was firstly converted into a crisp multi-depot vehicle routing problem, and then it was solved by a predator search algorithm with FLOYD.
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