rate of mass transfer
英 [reɪt ɒv mæs trænsˈfɜː(r)]
美 [reɪt əv mæs trænsˈfɜːr]
网络 质<量>传<递>速率; 传质速度; 传质速率; 质量转移速度
双语例句
- So the rate of mass transfer can be intensified by reducing the particle diameter and increasing the gas and liquid velocity.
要强化传质，除了增加气液流速外还可以减小颗粒度。 - The results show that the main causes of effect on oxygen transfer rate from top slag to steel are the content of ferric oxide mass transfer rate. Meanwhile, there is great effect of steel flow rate configuration of tundish on oxygen transfer rate.
研究结果表明，顶渣中氧化铁含量和传质系数是影响顶渣向钢水传氧速率的主要因素，而注速及中间罐结构对钢-渣间传氧速率也有很大影响。 - The use of the double_column cycling chromatography technique will largely improve the production rate for a system with small superficial selectivity of adsorbent, large axial dispersion coefficient, or large solid/ liquid interface mass transfer resistance.
当体系中表观选择性系数较小、轴向扩散较严重以及液固两相间的传质阻力较大时，使用双柱循环色谱分离可比使用传统单柱色谱分离获得更高的分离产率。 - It has such many virtues as high rate of mass transfer and very good character of selection and high separation efficiency and low energy consumption and multiple utilization of membrane phase, etc, so it is a kind of new separation which can use in enrichment and decontamination.
其集萃取和反萃取于一身，具有传质速率高、选择性好、分离效率高、能耗低以及膜相能够重复利用等优点，为稀溶液中微量组分的分离提供了新途径。 - The results show that the mass flow rate and humidity of the air as well as the temperation and mass flow rate of the diluted solution can affect the heat and mass transfer of regeneration.
结果表明：空气流量和含湿量以及除湿溶液的流量和再生温度对再生过程的传热和传质有不同程度的影响。 - Therefore, how to improve gas-liquid rate of mass transfer and how to enhance reaction heat transfer are main problems in reactors 'choice.
因此，如何提高气液传质速率和移走反应热是水合反应器选择上主要考虑的问题。 - The experimental results show that the reaction rate of formaldehyde increases firstly and then drops with the increase of air velocities. The reaction rate is free from the external mass transfer when the air velocity is no less than 0.66m/s.
结果表明：甲醛的反应速率随着流速的增加先增加而后下降，在流速不小于0.66m/s时光催化反应不受外部质量传递的影响； - During the process of distillation, mass transfer rate relates to mass transfer area of gas liquid foam layer on the trays, while mass transfer area is decided by diameter and distribution and concentration of bubbles.
蒸馏过程的传质速率与塔板上气液泡沫层传质面积有关，传质面积由气泡直径大小、分布和浓度所决定。 - The results show that the heat transfer rate of enclosure at high Darcy is effected greatly by the properties of heat and mass transfer of the fluid, Darcy effect and conductivity ratio.
计算结果表明，高Da数下封闭腔内流体流动与传热特征、达西效应、导热比等对空腔传热系数均有较大影响。 - The solution temperature and concentration distribution and steam absorption rate along the pipes and between the tube bundle were analyzed. The effects of solution spray density and inlet concentration on the coupled heat and mass transfer characteristics were analyzed.
根据数值计算结果，分析了溶液温度、浓度和吸收速率沿管排不同位置和水平管管间的变化，以及溶液喷淋密度和进口浓度对吸收器整体传热传质性能的影响。 - When the concentration of oxidant was high enough ( e.g., in NH_3-H_2O_2-H_2O system), the leaching process was carried out without forming of the film and the rate of dissolution of Ag was controlled by a step of mass transfer.
而在浓度足够高的氧化剂时（如在NH3-H2O2体系中），浸取过程可在不生成氧化物膜的条件下进行，此时Ag的溶解速度受传质步骤控制。 - On the basis of chemical transfer theory, the transfer mechanism was studied for the process of adsorptive bubble separation and the mathematical model describing the axis diffusion in continuous foam column and basic equation about the rate of mass transfer are set up.
以化工传递理论为基础，研究了吸附泡沫分离过程的传质机理，建立描述该传质过程速率的基本方程及轴向扩散连续泡沫分离塔数学模型。 - An 80% recovery effect rate of the mass transfer coefficient was obtained finally.
最终获得了80%的氧传质系数恢复率。 - Improving the diffusion condition in liquid slag and increasing the rate of mass transfer have an active effect on the speeding-up of Ti ( C, N) oxidation.
改善氧在渣层中的扩散条件，提高氧的传质速度，对加快Ti（C，N）的氧化是有积极作用的。 - The equations of mixture time and rate constant of mass transfer were established.
根据水模型实验结果，回归整理出混匀时间和容量传质系数的准数方程。 - The fast drying technology with high-temperature is introduced, and the reasons of fast rate, high efficiency and good materials quality are analysed by taking advantage of principle of heat and mass transfer.
介绍了干燥行业中的高温快速工艺，并利用传热传质原理分析了高温快速工艺干燥速度大、热效率高、物料品质好的原因。 - Under the same total alkalinity, the absorbing rate of the regenerated spent caustic liquid ( or mass transfer factor) is directly related with the OH concentration.
在相同的总碱度下，再生废碱液的吸收速率（或传质系数）与OH-的浓度直接相关。 - When the Ce ( SO 4) 2 system was in a steady state, whether the sweep rate or the disturbance frequency was low, the reaction of Ce 4+ was controlled by mass transfer.
测得不同浓度下的阻抗参数表明，在Ce（SO4）2体系处于稳态时，不论是慢扫还是使用低的扰动频率，Ce4+的反应都为传质控制； - Mathematical model was proposed to determine rate constants of ozone self-decomposition in water and mass transfer coefficient of ozone.
根据模型可求得超声辐射条件下臭氧在水中的自分解反应速率常数和臭氧向水中的传质系数。 - At invariable temperature and pressure, changing the rotate speed, can mensurate acid/ rock reaction rate at different Reynolds number, then can calculate efficient coefficient of mass transfer of hydrion.
在温度、压力一定的条件下，改变岩盘转速，测定不同雷诺数下的酸岩反应速度，计算出氢离子有效传质系数。 - With the increase of drum-speed, the renewal rate of biofilm and liquid film enhanced, mass transfer efficiency and denitrification efficiency increased.
随着转鼓转速的增加，生物膜和液膜表面更新速率提高，传质效率增加，NO反硝化效率提高； - The mass transfer rate in the reaction section is calculated by using gas and liquid film mass transfer coefficients specially measured for this structure of catalyst bed and the mass transfer rates in the rectifying and stripping sections are calculated by using Onda's correlation.
采用专门测定此特殊结构的催化剂填充层的气膜和液膜传质系数关联式来计算反应段中的传质速率，用Onda的关联式计算精馏段和提馏段填充层中的传质速率。 - The holograms of interfacial phenomena were taken by using a laser interferometry system, The effect of interfacial turbulence on mass transfer rate was analysed and the correlation equation for predicting enhancement factor of mass transfer coefficient was given.
利用激光全息干涉装置拍摄传质界面现象的全息图。分析界面扰动对传质速率的影响，并给出了传质增强因子的关联式。 - Because the gains rate of heat and mass transfer of horizontal falling film pipe gradually decrease with the increases of entrance velocity.
但是并不是布液管流速越大越好，因为随着布液管流速的逐渐增加，降膜横管的换热、传质性能的增加率是逐渐减小。 - The more flow rate of solution and driving force for mass transfer can make the performance of ejector higher.
提高溶液流量以及传质推动力均可提高引射器性能。 - The new type of multi-phase reactors, monolithic reactor with lower pressure drop, high rate of mass transfer, easy to enlarge and the higher production strength is an attractive alternative to the traditional reactor.
新型的整体式反应器具有床层压降低、传质效率高、容易放大和生产强度大等优点，成为替代传统多相反应器的一个有吸引力的选择。 - Imprinting of protein confronts many difficulties, such as the higher molecular weight values and the bigger volume in space, which lead to the slow rate of mass transfer.
蛋白质分子因其分子量以及空间体积大，因而在分子印迹聚合物中传质速度相对较慢。 - Simulating results show that surface area of the liquid film on the wall is enlarged with increase of rotate speed and rate of feed, and then its mass and heat transfer process are enhanced.
模拟结果表明，提高旋转带转速和增加进料速度，可以增加壁面上液膜的连续性和均匀性，从而使气液两相的接触面积增大。 - And the overall rate of NOR uptake was controlled by both external mass transfer and intro particle diffusion during the entire adsorption period.
吸附速率遵从伪二级动力学，在总吸附过程中，NOR吸收的总速率受到外表面质量传递和内颗粒扩散控制。