1)gas permeation气体渗透
1.It is analyzed that the principles of gas permeation through porous membrane and the relationship between the permeability of gas and the structure of hydrophobic porous membrane.理论分析了疏水性多孔膜气体渗透原理和膜各种结构特征参数的关系,并建立了计算气体渗透通量的模型方程,以及确定多孔膜曲折因子等结构参数的方法。
2.The gas permeation (GP) experiments were conducted with the pressure difference between the two sides of the membrane ranging from 10 to 100 kPa, and it was found that with the increase of pressure difference, the employed membranes show smaller membrane pore size and larger ε/τδ values.针对两种聚四氟乙烯膜在膜两侧压差为10~100kPa范围内进行了气体渗透实验,结果表明:实验用膜具有一定的可压缩性,随膜两侧压差的增大,膜孔径r减小,而膜孔隙率与有效厚度的比值ε/τδ是增大的,且其变化幅度随膜厚度的增大而增大。
3.The new methods were established that structure parameters of asymmetric membranes and composite membranes were determined by measuring gas permeability according to the mathematical models for correlations between the membrane structure parameters and gas permeation.根据非对称膜及其复合膜与气体渗透之间关系的数学模型，建立了通过测定气体渗透率确定膜结构参数的计算方法，并建立了相应的电算软件。
英文短句/例句
1.hollow fibre gas permeator中空纤维气体渗透器
2.condenser ,fixed , gas-impregnated气体渗透固定冷凝器
3.gas-impregnated fixed capacitor气体渗透固定电容器
4.Synthesis and Gas Separation Performance of Zeolite Membrane分子筛膜的合成及气体渗透分离性能
5.Gas Permeation of Polymer Studied by Positrons;聚合物中气体渗透行为的正电子研究
6.Chemical Modification of Cellulose Membrane and Study on the Gas Permeability of Modified Membrane;纤维素膜的化学改性及气体渗透性能研究
7.Gas Permeation Properties and Synthesis of SAPO-34 Zeolite Membranes by Secondary Growth Method二次生长法合成SAPO-34沸石膜及其气体渗透性能
8.Experimental on gaseous seepage properties of sandstone in complete stress-strain process砂岩全应力-应变过程气体渗透特性实验
9.Study on Gas Permeability of Compacted MSW and Landfill Gas Migration Process;填埋垃圾体气体渗透特性及填埋气迁移过程模拟研究
10.Determination of gas porosity and gas permeability of hydraulic binders containing embedded radioactive waste??包容放射性废物的水凝粘合剂的小气孔和气体渗透性的测定
11.Preparation and Gases Permeation Properties of Carbon Nanotubes Composite Membrane Supported by Porous Substrate多孔基体负载的碳纳米管复合膜制备及其气体渗透性能
12.The rate of flow of a liquid or gas through a porous material.渗透度，渗透率液体或气体通过渗透材料流的量度
13.An experimental study on the percolation characteristics of single phase gas in low and ultra-low permeability sandstone gas reservoirs低、特低渗透砂岩气藏单相气体渗流特征实验
14.The influence of water phase evaporation on gas percolation in low permeability gas reservoirs低渗透气藏水相蒸发对气体渗流的影响
15.The Comparative Study of Cas Separation and Pervaporation渗透汽化膜与气体分离膜的对比研究
16.CO_2 Reverse Premeation Behaviors from a Low-pressure Side Toward a High-pressure Side of Another Gas;CO_2向异种气体高压侧的反向渗透行为
17.Gas analysis--Preparation of calibration gas mixtures--Permeation methodGB/T5275-1985气体分析--校准用混合气体的制备--渗透法
18.Study on the Permeation Behavior of the Mixed Gas through the PDMS Membrane多元混合气体在硅橡胶膜中的渗透传质研究
相关短句/例句
Gas permeability气体渗透
1.Study on gas permeability of the unsaturated bentonites;不饱和膨润土中气体渗透研究
2.The function of water on α-cellulose membrane was also revealed by comparatively studying the gas permeability of cellulose acetate membrane, benzoylated cellulose membrane and polysulfone membrane in "dry" and "wet" state.测定了水溶胀下 ,CO2 、H2 、CH4 、N2 、O2 等气体在α 纤维素膜内的气体渗透速率 。
3.Composite membranes,consisting of zeolite Y and polysulfone polymer,were prepared,and gas permeability through both zeolite Y filled polysulfone and unblended polysulfone membranes were measured.与此相对应，膜的气体渗透特性也发生突变。
3)gas permeance气体渗透
1.The defects and modification of ZSM-5 zeolite membrane, as well as the characterization of ZSM-5 zeolite membranes with XRD、SEM、TEM and single gas permeance measurements are summarized.本文分析了ZSM-5分子筛膜的主要合成方法和研究现状,总结了ZSM-5分子筛膜的缺陷与修饰方法,指出了ZSM-5分子筛膜的表征手段是以XRD、SEM、TEM和单组分气体渗透等为主,对ZSM-5分子筛膜的应用和前景进行了展望。
4)gas permeability气体渗透性
1.Testing study of gas permeability of fracture rock under peak stress;峰值破裂岩石的气体渗透性试验研究
2.The carbonation performances and gas permeability of four types of concrete(ordinary concrete,fly ash concrete,air-entrained concrete and fly ash airentrained concrete) were studied in this paper.研究了普通混凝土、粉煤灰混凝土、引气混凝土和粉煤灰引气混凝土等四类混凝土的抗碳化性能和气体渗透性能。
3.The characteristics of pore structures, surface appearance,the ratio of gas permeability (J) and separation factor (α), etc were performed by SEM, XRD and gas permeability experiments.０ｍｍ），并通过ＳＥＭ、ＸＲＤ及气体渗透性等研究，从孔结构、表面形貌、气体渗透率和分离因子等多方面进行表征。
5)gas membrane permeation气体膜渗透
1.So gas membrane permeation and membrane absorption are used for separation propylene / hydrogen chloride in this paper.气体膜渗透法和膜吸收法具有投资少、能耗低、高效、使用方便和操作简单等特点，此外膜吸收法还有传质面积大的优点和没有雾沫夹带、液泛、沟流、鼓泡等现象发生，因此本文采用气体膜渗透法和膜吸收法分离丙烯和氯化氢混合气。
6)Permeation of gas and steam气体和蒸气渗透
延伸阅读
气体渗透分子式：CAS号：性质：气体在压力作用下通过膜的过程。气体渗透过程一般用气体在膜内溶解和扩散的机理描述。混合气体中不同的组分在膜内溶解和扩散的性能不同，即渗透速率不同，利用这个特点可以用气体渗透膜来实现气体的分离，如空气中氧与氮的分离，由合成氨弛放气中回收氢气等。
