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- In this paper the fringe effect is explained by a horizontal diffusional flow, and a semiquantitative estimation is made by means of a two-dimensional diffusion model in the stagnant layer. 本文认为边缘效应的起因在于反应物沿衬底表面的水平扩散流,并提出了一个二维扩散滞流层模型。从这个模型出发,可以半定量地估计各工艺参数与边缘效应的关系,理论与实验观察很好地一致。
- horizontal diffusion model 横向扩展模型, 水平式扩展模型
- Permeation characteristics of amlodipine besylate from patches were evaluated using 2-compartment horizontal diffusion cells. 采用卧式双室扩散池研究苯磺酸氨氯地平贴剂的体外经皮渗透行为。
- 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。
- Using the horizontal diffuse solar radiation model, simulated by routine meteorological observation data, influences of sky factors on the diffuse solar radiation are considered. 基于常规地面气象站观测资料建立的水平面散射辐射模型考虑天空因素对散射辐射的影响;
- 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。
- 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。
- Besides, the effect of seasonal variation of wind stress, Ekman pumping and horizontal diffusivity on the ocean current and heat budget are studied, using both ideal model and complex model. 在此基础上,利用理想化的数值试验与数值模拟结果相结合的方式,证实了风应力的季节变化和Ekman抽吸,以及水平热量扩散系数对北印度洋海洋环流和热收支的影响。
- 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。
- horizontal diffusion coefficient 横向扩散系数
- 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 vertical line meets the horizontal one here. 垂直线与水平线在此相交。
- 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。