气液传质比表面积,gas-liquid mass transfer specific surface
1)gas-liquid mass transfer specific surface气液传质比表面积
1.Thegas-liquid mass transfer specific surface area decreased with increased liquid height and surface tension,increased with increased gas flux.以Na_2SO_3溶液和空气为体系测定了气液传质比表面积α,α随液面高度h和表面张力σ的增大而减小,而随气体流量Q的增大先增大后减小,应用因次分析方法对实验数据进行处理,得到一经验关联式,间接反映出各个因素对α的影响;以水和空气为体系测定了液相体积传质系数K_La,K_La随Q的增大而增大,并近似为线性关系,线性关系随着液面高度h的增大变得更明显,而K_La随h的增大而减小,运用相似理论,提出了一个与h相关的经验模型,为不同h下的K_La提供了理论基础;以NaOH溶液作为吸收剂,研究了微孔气液接触器吸收混合气体中CO_2的过程,吸收率η随着气体流量的增大而减小,随着液体流量和吸收剂浓度的增大而增大,随着膜侧压差的增大,η呈先增大后减小的趋势。
英文短句/例句
1.Gas liquid mass transfer specific area in microporous membrane gas distributor微孔膜气体分布器气液传质比表面积的研究
2.The accumulation of gases, liquids, or solutes on the surface of a solid or liquid.吸附作用固体或液体表面的气体,液体或溶质的积累过程
3.CHARACTERISTICS OF GAS-LIQUID MASS TRANSFER OF SURFACE AERATOR WITH SELF-ROTATING FLOATING BAFFLE带自旋自浮挡板的表面曝气装置气液传质特性研究
4.Detection of Lung Surfactant in Pleural Effusions;胸腔积液中表面活性物质的检测分析
5.The dry matter weight per unit, dry matter accumulation per stem( panicle), and transportation of leaf apparent matter was more than the high yield crop management.与传统高产栽培管理比较,单位面积干物重、茎物质积累量和叶片的物质表观转出量高。
6.The thy matter weight per unit, thy matter accumulation per stem (panicle), and transportation of leaf apparent matter was more than the high yield crop management.与传统高产栽培管理比较,单位面积干物重、单茎物质积累量和叶片的物质表观转出量高。
7.Improvement on Measuring Activated Carbon Specific Surface with Adsorption in Solution;“溶液吸附法测定活性炭比表面积”实验的改进
8.Predict Gas Holdup and Volumetric Gas-Liquid Mass Transfer Coefficient of Slurry Bubble Column Reactor by Means of Neural Network运用神经网络预测浆态床反应器气含率和体积气液传质系数
9.Determination of Efficient Delivering Material Ratio in Interphase Area for High Gravity Reactor;超重力反应器有效传质比相界面积的测定
10.The Study on the Convection on the Interface of the Gas-liquid System;气液界面传质过程不稳态对流的实验研究
11.Research and development of specific surface area standard reference materials of nonporous mono-disperse SiO_2 spheres单分散SiO_2无孔微球比表面积标准物质的研制
12.Preparation and activation mechanism of high specific surface area coal-based activated carbon高比表面积煤质活性炭的制备与活化机理
13.Experimental Study of Oxygen-Accessibility Specific Surface Area and Effective Reaction Specific Surface Area during Pulverized Coal Combustion;粉煤燃烧过程中氧气可达比表面积和有效反应比表面积的试验研究
14.Adsorb means to attract and hold to the surface substances, liquids, or gasses.被吸附意味着去吸附表面上的物质、液体或气体。
15.Research of Key Technology for Surface Modification of Textile Material by Atmospheric Pressure Glow Discharge Liquid Deposition纺织材料表面改性大气压辉光放电液相沉积关键技术的研究
16.Application of Device of Atmospheric Pressure Glow Discharge Liquid Deposition in Surface Modification大气压辉光放电液相沉积装置在表面改性中的应用
17.Preparation of Nanometer TiO_2 Coating Surface by Liquid Phase Deposition and Anti-Fouling Characteristic on the Surface in Pool Boiling;纳米TiO_2传热表面的液相沉积法制备及其池沸腾防垢研究
18.Gas-liquid, Liquid-liquid Mass Transfer and Liquid Heat Transfer Characteristics in Microchannels;微通道内气—液、液—液传质及液相传热特性的研究
相关短句/例句
effective interfacial area有效传质表面积
1.Theeffective interfacial area and liquid-side mass transfer coefficient were determined in packed column with ceramic Raschig rings by chemical absorption method ,and the liquid-side mass transfer coefficient was also measured by physical absorption method.用化学吸收法测定了拉西环填料的有效传质表面积和容积传质系数,并进一步用物理法比较测定了容积传质系数。
3)gas-liquid interfacial mass transfer气液界面传质
4)Specific surface area比表面积
1.Effect of pretreated by K_2Cr_2O_7 solution and activated on specific surface area of carbon fiber;重铬酸钾溶液预处理及活化对炭纤维比表面积的影响
2.Variation of pore structure of semi-coke with temperature and spatial location during pyrolysis ——Porosity,specific surface area and pore size distribution;焦化过程半焦孔隙结构时空变化规律的实验研究——孔隙率、比表面积、孔径分布的变化
3.Calculation of the specific surface area of the froth in flotation;煤泥浮选气泡比表面积的计算方法
5)specific area比表面积
1.Determination of catalyst′sspecific area by LN_2;低温氮吸附容量法测催化剂比表面积
2.The results show that,when the contents of titanium increase,thespecific area of these hybrid materials increase accordingly.结果表明:随着杂化材料中钛含量的增加,它们的比表面积随之增大。
3.By regressive analyzing the relation betweenspecific area and water retention value (WRV) of the bleached eucalyptus KP can be expressed with a logarithm regressive equation as follows:y=127.漂白桉木KP浆的保水值(WRV)与比表面积可建立数学模型y=127。
6)surface area比表面积
1.Effect of pyrolysis conditions on the charsurface area and pore distribution;热解条件对煤焦比表面积及孔隙分布的影响
2.Influence of preparing technology on specificsurface area and oil absorption value in thepreparation of precipitated silica;白炭黑制备工艺对比表面积和吸油值的影响
3.Determination of the Surface Area of Catalyst Support by Gas Chromatography;气相色谱法测定催化剂载体的比表面积
延伸阅读
比表面积分子式:CAS号:性质:单位体积或单位质量固体的表面积,通常用1g固体的总表面积表示。由于制备条件的不同,固体与气相接触的表面大小可有很大差异。多孔性和细碎性固体的表面积包括内表面和外表面,内表面由其内部孔隙和裂缝缝隙面积构成,外表面是固体外部的几何面积,二者之和为总表面积。比表面通常用物理吸附法测定,如BET容量法、重量法、流动色谱法等。有时也可用液相吸附法测定。对比表面大于1m2/g的样品常用低温氮吸附容量法或流动法,而小表面则用低温氪吸附法。对于非孔性固体,也可根据测出的粒子大小计算比表面。