vmd造句

• Separation of azo dye wastewater with vmd process
  减压膜蒸馏法分离偶氮染料废水的研究
• Air permeation experiment , vmd of distilled water and vmd of solution containing cr3 + are carried out
  本文进行了气体渗透实验、蒸馏水的vmd实验及含铬水溶液的vmd实验。
• The heat transfer coefficient within the hollow fiber module was studied by the vmd experiments using pure water
  文中还对真空膜蒸馏脱除水溶液中voc的传热传质机理进行了理论分析和试验研究。
• A brief introduction of vmd process is presented . mass and heat transfer behavior through hot side , membrane as well as cold side during vmd process is analyzed and derived
  本文在评述真空膜蒸馏技术研究现状的基础上，对膜蒸馏过程热侧、膜内及冷侧的质量传输和热量传输行为进行了深入的分析与推导。
• Ethanol separation factor of 6 . 0 was achieved by vmd , which demonstrates that vmd is a promising separation technology . the mechanism of heat and mass transfer for vmd was also investigated
  当用真空膜蒸馏脱除水溶液中的乙醇时，分离因子可达到6 . 0以上，说明真空膜蒸馏技术脱除水溶液中的voc效果较好。
• Finally , by studying the heat transfer coefficient and the mechanism of mass transfer through the membrane pores , a complete mathematical model was proposed for the removal of voc from dilute aqueous solutions by vmd
  根据对传热系数和膜孔内传质机理的研究，最后得到了真空膜蒸馏脱除水溶液中voc全过程的数学模型。
• Vacuum membrane distillation ( vmd ) which possesses of vacuum pump to provide enhanced drive force and air gap similar to air gap membrane distillation is a kind of separation technology of membrane distillation
  真空膜蒸馏（ vmd ）技术是膜蒸馏技术的一种，其研究主要集中于工艺过程及其影响因素、过程机理及过程应用三大方面。
• Knudsen diffusion model and the mixed flow model were solved numerically for the ethanol - water system . good agreement between experimental and theoretical values was found . but the mixed flow model is better
  乙醇水溶液的vmd试验表明，两种组分同时通过膜微孔时， knudsen扩散模型和过渡流模型都基本能反映实际过程，但过渡流模型更接近实际情况。
• University of illinois - theoretical and computational biophysics group - vmd is a molecular visualization program for displaying , animating , and analyzing large biomolecular systems using 3 - d graphics and built - in scripting
  伊利诺州立大学?理论和计算生物物理小组- vmd是以3 - d图形和内建描述语言，作为显示、模仿和分析大生物分子系统的分子显示程序。
• University of illinois - theoretical and computational biophysics group - vmd is a molecular visualization program for displaying , animating , and analyzing large biomolecular systems using 3 - d graphics and built - in scripting
  伊利诺州立大学?理论和计算生物物理实验室- vmd是以3 - d图形和内建描述语法，作为显示、模仿和分析大生物分子系统的分子视觉程式。
• The simulation result shows that temperature drops more slowly when the flow rate is higher , which demonstrates the flow rate influences the flux by influencing the temperature distribution - the vmd experiments were carried out using aqueous binary mixtures of ethanol
  对中空纤维管内原料液的温度分布进行了数值模拟，表明在层流状态下，大流量的温度降幅度较小，流速是通过影响温度分布来影响通量的。
• The results indicate that the dominant resistance during membrane process comes mainly from evaporation of water on hot side and mass transfer through membrane , and that mass transfer and heat transfers during vmd process are interdependent and interactive ; the results also indicate that the phenomenon of temperature polarization and concentration polarization is inevitable during vmd process
  实验结果的分析表明：在vmd过程中，其过程主要阻力来自于热侧汽化和膜内的质量传输；热量传输与质量传输是相互影响、相互制约的；其过程中的浓度极化和温度极化现象是膜蒸馏过程进行时的必然现象。
• Results of vmd experiments indicate that flux increases when feed temperature , feed rate and vacuum degree increase . but the increase of flux becomes slowly when feed rate reaches 60l . h - 1 ; flux increases with pore size rapidly , but rejection approaches zero when pore size reaches 0 . 5m
  实验表明，随进料温度、进料流速、冷侧真空度的增大，膜通量增大；但进料流速增大到60l . h - 1之后，通量随进料流速的增长变缓；膜通量随孔径较快地增大，但当膜平均孔径达到0 . 5m时，截留率迅速降低，已无实际意义。
• In this paper , an experimental investigation of the removal of volatile organic compounds ( voc ) from dilute aqueous solutions was presented by vacuum membrane distillation ( vmd ) . experiments were carried out using aqueous mixtures of ethanol with hollow fiber module . the influences of operating variables such as feed concentration , flow rate , temperature and downstream pressure on the flux and separation factor were investigated
  本文对膜蒸馏脱除水溶液中的挥发性有机化合物( voc )进行了试验研究；文中以乙醇水溶液为研究对象，采用真空膜蒸馏法，膜材料为中空纤维膜，研究膜通量及分离因子与原料液的温度、浓度、流速，冷侧压力的关系，并对真空膜蒸馏的传热传质机理进行了初步探讨。
• On the basis of above theoretical derivation and analysis on experimental results , by correlating solvent ( water ) transfer with solute ( salt ) transfer on hot side and correlating mass transfer with heat transfer during vmd and introducing a contribution coefficient which can reflect the characteristics of mass transfer through membrane , a new model of mixed flow is presented
  在上述理论推导及实验分析的基础上，本文将热侧溶剂传输与溶质传输、膜蒸馏过程热量传输与质量传输相关联，并引入一个能够反映膜内质量传输特征的“贡献系数” ，将努森流模型与粘性流模型结合起来，从而提出了新的混合流模型。