two group model

Bipartition model of electron transport and its new applications in absorbed dose monitoring system of EB radiation processing for wires and cables;

用电子两群模型解决了剂量测量中的反射系数修正和低能电子在电线电缆辐照过程中能量沉积的计算问题,获得了计算能量沉积的拟合公式和不同能量电子在不同材料上的反射系数值。

Oscillation of solutions of a delay population model;

一类时滞种群模型解的振动性

Permanence for the "food limited" discrete population model with feedback control and delay;

具有反馈控制和时滞的“食物有限”离散种群模型的持久性

Stability study is made for the positive equilibrium of a nonlinear age structured population model by constructing two systems for comparison and using the comparison principle, necessary and sufficient conditions are obtained for the global stability of positive equilibrium.

研究一个非线性年龄结构种群模型正平衡解的稳定性，通过构造适当的比较系统和使用比较原理，得到了正平衡解渐近稳定的必要条件和全局稳定的充分条

Improving the intelligent bionic ant colony model will require multidisciplinary research,and so its development will promote progress in related subjects.

蚁群模型是模拟自然界蚁群系统行为而提出的一种新型智能仿生模型,其研究在短短的10余年时间里得到了飞速发展,已成为很多学科的研究热点。

Hybrid\|pencil beam model(HPBM),which has been obtained by embedding the bipartition model into Fermi\|Eyges multiple\|scattering theory,shows the potential broad prospect in clinic because of the good calculation accuracy and efficiency.

将双群模型计算的宽束电子的能量沉积与Fermi Eyges理论的侧向解相结合来构造电子笔束模型 ,即混合笔束模型 。

Straight forward approximation has been used for the transport calculations of forward particles in the bipartition model of charged particle transport.

在粒子输运双群模型中，引入直向前近似，计算了双群模型中的直向前粒子输运。

By using the electronic stopping power of Oen Robinson in the bipartition model of ion transport,the path lengths,reflection coefficients and range distributions have been calculated.

将Ｏｅｎ－Ｒｏｂｉｎｓｏｎ电子阻止本领用于离子输运双群模型，计算了离子在固体中的径迹长度、反射系数和射程分布，并讨论了采用不同阻止本领对输运计算的影响。

Permanence and Periodic Solutions of the Discrete Population Models;

离散时间种群模型的持久性及周期解

Analysis of Dynamical Models Subject to Allee Effect;

具有Allee效应的种群模型分析

A Logistic Population model with infinite delay;

具有无穷时滞的Logistic种群模型

The Survival Analysis of Stochastic Single-Species Models in Polluted Environments

污染环境中随机单种群模型生存分析

Permanence in a Class of Nonautonomous Single-Species Systems with Feedback Controls

一类非自治单种群模型的持久性(英文)

THE SIMULATION MODELS FOR THE POPULATION DYNAMICS OF CITRUS RED MITE

柑桔全爪螨自然种群动态的模拟模型

An improved dimension-changeable matrix model of simulating the insect population dynamics

一种模拟昆虫种群动态的改进的变维矩阵模型

Virtual Industry Clusters--The New Organization Mode of Industrial Clusters;

虚拟产业集群——一种新型的产业集群发展模式

In this paper, a two-species mutualism model system is discussed.

讨论了二种群互惠生物数学模型。

Economic Harvesting Model with Variable Price and Cost for a Single Population

价格成本变化的单种群经济捕获模型

Studies on management model of population life system of brown planthopper

褐飞虱种群生命系统管理模型的研究

A Trust Model of P2P Network Based on Group;

P2P网下一种基于群组的信任模型

The Problem of Positive Almost Periodic Solution for Three-Species Lotka-Volterra Models;

三种群Lotka-Volterra模型的概周期问题

The Stability of the Gilpin-Ayala Competition Model of Two Species with Reactive Proliferative Terms;

Gilpin-Ayala两种群生物竞争模型的稳定性

Two Species Predator-Prey System Harvest Model and Control

两种群捕食-被食系统收获模型及控制

An Efficient Electronic Cash Model Based on Group Signature

一种基于群签名的有效电子现金模型

Economic harvesting model for population with Smith growth

具有Smith增长种群的经济捕获模型

Research on the Theory and Model of Netowrk Information Population Symbiosis

网络信息种群共生理论及其模型研究