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- ion diffusion model 离子扩散模型
- The electrode structure used for ion diffusion metalling on the inner surface of the tube parts was obtained. 通过实验证实,管状零件内表面离子渗金属的电极结构是正确的。
- The experimental results show that surface mortar layer can significantly reduce the chloride ion diffusion coefficient of concrete. 结果表明,致密的表面砂浆层能显著地降低混凝土本体的氯离子扩散系数。
- 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。
- RCPT and chloride ion diffusion test may be applied to assess the concrete durability besides rebar corrosion rate measurement. 但利用快速氯离子渗透试验(RCPT)、氯离子扩散试验与钢筋腐蚀试验可评估其耐久性。
- 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。
- In addition, the compressive strength, absorption rate, rapid chloride penetration test (RCPT) and chloride ion diffusion test were performed. 此外并进行各项试验其中包括抗压强度、吸水率、快速氯离子渗透试验(RCPT)、氯离子扩散试验及混凝土电阻试验等探讨高性能混凝土的耐久性。
- 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。
- Through a great deal of experiments,the durability of HPC with artificial sand are studied systematically.Impermeability,freezing resistance and chloride ion diffusion are tested. 通过大量试验,系统研究了人工砂高性能混凝土的耐久性,对抗渗性、抗冻性、氯离子扩散系数等项目进行了测试。
- 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;
- Both ion diffusion and transport of ions to the root surface by mass flow appear to be dependent on soil moisture content. 离子扩散和通过质体流动把离子运送到根表面，看来似乎都取决于土壤的含水量。
- 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。
- Electron microscope (EM)and energy dispersive spectrometer (EDS) were used to detect the composition of the Au-bearing quartz, the ion diffusion and the occurence states of gold. Their mechanism of formation and variation were discussed. 利用电子显微镜(EM)及能谱仪(EDS),分析研究了变生热液形成的载金石英的化学成分、离子扩散作用以及金在石英中的赋存状态等问题,探讨了它们的形成和变化机理。
- 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。
