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- Carreau-Yasuda model was introduced to describe the melt viscosity.RTD of kneading discs was pro- duced from axial dispersion model. 使用理论模型对挤出过程停留时间分布的模拟具有重要的意义。
- An equation of axial non-homogeneous voidage distributions of solid catalysts has been derived from a generalization of one-dimensional axial dispersion model. 从一维轴向扩散基本方程导出了催化剂颗粒轴向平均空隙率分布式方程,以此方程为基础求出固体颗粒团聚频率和颗粒轴向扩散系数。
- An Axial Dispersion Model for Evaporating Bubble Column Reactor 蒸发鼓泡塔反应器的轴向分散模型
- Keywords column crystallizer;axial dispersion model;sweating;melt crystallization;purification; 晶析塔;轴向扩散模型;发汗;熔融结晶;提纯;
- Keywords axial backmixing;axial dispersion model;mass transfer coefficients;extractor; 轴向混合;轴向扩散模型;传质系数;萃取塔;
- axial dispersion model 轴向扩散模型
- With the film mass transfer,porous diffusion and axial dispersion were taken into account,and a film and pore diffusion model was employed to describe the diffusive mass transfer of . 并采用基于液膜及孔内扩散模型的动力学模型,同时考虑吸附树脂颗粒内外扩散阻力及轴向扩散的影响,研究了固定床上红霉素在大孔吸附树脂中的吸附动力学,并从穿透曲线回归得到液膜传质系数孔内扩散系数。
- The general rate model considering axial dispersion,film mass transfer and effective diffusion in particle was adopted to study the chromatography process of taxol and cephalmonnine. 采用考虑了轴向扩散、液膜传质阻力和固定相孔内扩散传质阻力的普遍化速率模型研究紫杉醇和三尖杉磷碱的色谱过程;
- The hydrodynamic parameters consist of gas holdup, liquid velocity and axial dispersion coefficient.Some concentrate work has been done as following:1. 具体包括以下四方面的内容:1.设计并建立起一套气升式内环流生物反应器处理废水的实验装置。
- The axial dispersion in chromatography models was discussed with vector method and the effect of diffusion on the bulk flow flux with its partial quantity form was pointed too. 用矢量方法讨论了色谱模型中的轴向扩散项,指出轴向扩散项是扩散通量以分量的形式在主体流动通量上的页献。
- It was indicated that adsorption equilibrium, axial dispersion, mass transfer and effective diffusion are important factors that influence the separation of EPA and DHA by SFC. 结果表明吸附平衡、轴向弥散、流体相传质和颗粒内有效扩散都是影响SFC分离EPA和DHA的重要因素
- The results indicate that the Cauchy dispersion model is available for optical transparent or weak-absorption thin films. 研究结果表明:对于透明或弱吸收光学薄膜,采用柯西公式可以较好表征材料的色散关系。
- The intimation of vehicles' speed distribution and run time distribution is also gi ven,as well as the applicable range of each platoon dispersion model. 还对车辆行驶速度及行驶时间分布进行了拟合,分析了各离散模型的适用范围。
- This study utilizes mesoscale numerical model MM5 to simulate real weather cases and then combine atmospheric dispersion model for study for finite-volume pollutant sources. 摘要本文使用中尺度气象模式(MM5),先进行真实天气系统之模拟,再将MM5模拟结果与空气动力扩散模式进行整合应用,研究大型有限体积污染源之扩散过程。
- The authors developed an air pollution dispersion system(APDS)with elevated Gauss dispersion model to simulate the impact of industrial point source pollution on region air quality. 开发了一个基于高斯扩散的大气污染扩散空间信息系统,用于模拟工业点源污染对区域大气质量的影响。
- Study on liquid axial dispersion in packed tower 填料塔内液相轴向返混研究
- This paper also introduces the application of dynamic segmentation technique on Geographic Information System for Transportation, river water quality dispersion model, DEM development and some other aspects. 介绍了动态分段技术在交通地理信息系统、河流水质扩散模型、DEM生成及其它方面的应用。
- This paper first establishes a geochemical model based on surface complexion and then coupled it with traditional advection dispersion model to constitute a solute migration model, which can deal with surface complexion action. 本文建立了一个基于表面络合吸附作用的地球化学模式 ,并将其与传统的对流 -弥散模型相耦合 ,建立了一个能够考虑表面络合吸附影响的溶质迁移模型。
- To grasp the basic theory on air dispersion, to learn the method on air dispersion model development, to apply different theory and model to solve atmospheric environmental problems. 掌握大气扩散的基本理论,了解大气扩散模式发展方法,学会应用大气扩散理论和模式解决实际大气环境问题。
- By integrating the backmixing theory of Reaction Engineering with predictive model of river pollution in Environmental Quality Assessment study, the predictively longitudinal dispersion model of river quality was got and analyzed. 摘要将反应工程学的返混理论与环境质量评价学的河水污染预测模型结合,得出了河流水质预测纵向扩散模型,并给出了解析解。