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- A new ACO(Ant Colony Optimization) algorithm based on pheromone increment and diffusion models is presented. 文章提出一种新的基于信息素增量和扩散模型的蚁群算法。
- This paper shows the diffusion process of WWW based on Bass innovation diffusion model. 利用Bass创新扩散模型描述万维网站点的扩散过程。
- By using the Hopf bifurcation theory, a competition diffusion model with delay is investigated. 利用霍普夫分歧理论讨论了一类含时滞竞争扩散系统。
- Applied the BASS diffusion model to study the accumulative number of online consumers in the area of electronic commerce. 应用BASS产品扩散模型对电子商务领域上网购物人数的估计进行了研究。
- On the basis of the air pollution emission data,the contribution of each dust pollution source to the air environment quality in Anshan is analysed with ADMSair diffusion models. 以污染源排放数据为基础,应用ADMS-城市扩散模型模拟分析了鞍山市尘各污染源对空气环境质量的贡献。
- Mahajan, V., E. Muller and F. M. Bass, New Product Diffusion Models in Marketing: A Review and Directions for Research, Journal of Marketing, Vol.54, 1990, pp.1-26. 孙中玺,具网路外部性产品之扩散模型研究,国立东华大学国际企业研究所硕士论文,2003年。
- A multi-kernel nonlinear diffusion model for image denoising based on image decomposition was studied, which got the major signal and the minutiae through different models. 摘要研究了一种基于图像分解的多核非线性扩散去噪方法,利用两个非线性扩散模型分别提取图像的主信号和细节信息。
- Simulation on the process of radioactive material atmospheric dispersion under nuclear accident is conducted on the segment diffusion model. 利用分段烟羽轨迹作为仿真模型,对核事故放射性物质的大气弥散过程进行模拟。
- The adsorption kinetics of BSA into Phenyl Sepharose were analyzed by using pore diffusion model, and the effective diffusion coefficient, De, was obtained. 利用孔扩散模型考察了Phenyl Sepharose对BSA的疏水性吸附动力学行为,得到了有效扩散系数De。
- Long-term diffusion model of atmospheric pollutant (ISCLT3) called regulatory model is a kind of Gaussian model recommended by U.S. Environmental Protection Agency. 大气污染长期扩散模型(ISCLT3)是高斯模型的一种,是美国环境保护署强制推荐的大气污染扩散模型,并称为法规模型;
- The model includes the following sub-models: kinetics model of reactions, mass transfer and diffusion model, filtration process model, and backwash model. 模型主体由4个子模型组成,即组分的反应动力学模型、传质扩散模型、滤池过滤模型和反冲洗模型。
- A new generation atmosphere diffusion model(ADMS model) and Regulatory model were used to forecast the average concentration values of H2S in a complex terrain of Chongqing. 应用新一代的大气扩散模型(ADMS模型)预测重庆某个复杂地形区域的H2S地面浓度,并分别将其与导则模型的预测值与实际监测值进行了对比统计分析。
- Abstract : The direct motion of Brownian particle is considered as a result of system derived by external non-equilibrium fluctuation.A corresponding diffusion model is proposed. 摘要 : 将布朗粒子的定向运动,看作是系统受到外部非平衡涨落作用的结果,并建立相应的扩散模型。
- Based on molecular diffusion model of water vapor a theoretical model of frost growth is established and an experimental set with a liquid nitrogen-cooled tube is built up. 摘要以蒸汽分子扩散模型为基础,建立了预测霜层生长过程的数学模型,并建立了以液氮为冷媒的管内强制流动结霜实验台。
- Weng, Ching-min (2000), “A Diffusion Model Incorporating Price, Adverting, Information and Uncertainty,” Journal of Marketing Management(forthcoming). 翁景民(1998),“服务创新扩散之比较研究”,台大管理论丛。
- Based on the statistical theory of turbulent diffusion parameters,the atmosphere diffusion parameters of normal diffusion model were calculated by Eulerian observation. 根据大气湍流扩散参数统计理论,利用欧拉观测的风速资料求解正态扩散模式中的大气扩散参数。
- The paper analyzes the factors effecting on poison gas diffusion, including gaseous diffusion models, types of leakage source, geographic setting, weather factors and gas properties. 为此文章分析了影响有毒气体扩散的因素包括气体扩散模式、泄露源类型、地理环境、气象条件等;
- The representative models of new product diffusion are Bass model,Fourt-Woodlock model,and Mansfield,discussing these basic models can offer theoretical foundation for studying more-flexible diffusion model. 新产品扩散的代表模型有Bass模型、Fourt-Woodlock模型以及Mansfield模型等基本扩散模型,对这些基本模型的探讨可为研究更为柔性的扩散模型提供基础。
- Firstly, advantages and disadvantages of three familiar diffusion models for dangerous chemicals in atmosphere, namely Gauss Model, Sutton Model, FEW3 Model, are analyzed. With the specialties of little calculation and simpleness, Gauss Model is selected. 首先,分析了常见的危险化学品泄漏后在大气中的三种模型,即高斯模型、Sutton模型、FEW3模型的优缺点,由于高斯模型具有计算量少,且简单易理解等特点,本文选用高斯模型作为泄漏后的扩散模型。
- For the study products diffusion question in non molopoly of Bass models,this paper present the competition and diffusion model about two products in advertisement and analyzes the procedure of competition and diffusion using economic method. 本文基于巴斯模型在非垄断情形所遇到的产品扩散问题 ,提出了在广告媒介下两种产品的竞争与扩散模型 ,并对不同情况下产品竞争扩散过程进行了经济分析 ,推广了单产品巴斯扩散模型。