Using polyethersulfones as membrane materials,N-methyl-2-prirodidone(NMP) as a solvent,ethanol as a nonsolvent,NMP-water as the bore solution,the dope solution of PES∶NMP∶Ethanol 35∶57∶8 in wt% was obtained and PES hollow fiber membranes with an ultrathin dense-selective layer for O2/N2 separation were prepared by dry/wet phase separation method.
以聚醚砜为膜材料,N-甲基吡咯烷酮(NMP)为溶剂,乙醇(Ethanol)为非溶剂,NMP-Water为芯液,PES∶NMP∶Ethanol 35∶57∶8为铸膜液,采用干/湿相转化法制备了超薄致密选择性分离层PES中空纤维膜,讨论了芯液组成、芯液流量、硅橡胶种类、芯和凝胶槽温度对PES-A中空纤维膜结构、气体性能和机械性能的影响。
The analysis of corrosion of equipment with presence of hydrogen concluded that the hydrogen damage,hydrogen and wet H_2S corrosion,high-temperature hydrogen and H_2S corrosion,hydrogen induced spalling of stainless steel overlay welds are the major causes of corrosion failure of equipment.
针对临氢设备的特点,对腐蚀的原因进行了分析,提出了氢损伤、氢和湿硫化氢腐蚀、高温氢和硫化氢的腐蚀以及不锈钢堆焊层的氢致剥离是造成临氢设备腐蚀失效的主要原因。
O_2/N_2 SEPARATION PERFORMANCE OF PES HOLLOW FIBER MEMBRANES WITH AN ULTRATHIN DENSE-SELECTIVE LAYER
超薄致密选择性分离层聚醚砜中空纤维膜制备及其气体性能(英文)
Application of the consistency fuzzy analytic hierarchy process on railway selection
一致性模糊层次分析法在铁路线选择中的应用
Separation of Basic Dyes by Ion-Pair Reversed- Phase Thin-Layer Chromatography
离子对反相薄层色谱法分离碱性染料
The Characteristic of Giant Magnetostrictive Thin Film with Gas Sensitive Layer and Its Application;
具有气敏涂层的超磁致伸缩薄膜特性及其应用
Luminescent Properties of White Organic Light-Emitting Devices Based on Rubrene Ultrathin Layer
白光有机电致发光器件中Rubrene超薄层的发光性能
A plastic membrane serves as selective diffusion barrier.
一层塑料薄膜起着选择性渗透屏障的作用。
bioselective chromatography
生物选择（性）层析
Application of the Ultra-thin Layer in Organic Light-emitting Devices;
超薄层在有机电致发光器件中的应用
Gray-box analysis of chosen ciphertext security for public key encryption scheme
公钥加密体制选择密文安全性的灰盒分析
Selection of the Analytical Method for Determination of Cl~- in Sulfuric Acid Electrolyte of Film Anode
薄膜阳极系统硫酸电解液中氯离子分析方法的选择
Determination of Trace Silver by Catalytic Method with CN Ion Selective Electrode
离子选择性电极动力学分析法测定银
Selective Precipitation and Separation of Valuable Constituent in Blast Furnace Slags;
高炉渣中有价组分选择性析出与解离
Perception Versus Action Hypothesis and Selective Attention;
知觉与行为的分离假设和选择性注意
Separation of C_(60) by Selective Complexation Method with DBU
DBU选择性络合法分离C_(60)
Method:Selecting optimum TLC conditions.
方法:用薄层色谱法进行条件选择。
Application of Multi-parameter Seismic Attributes in Forecasting Super Tight Reservoir in Dayi Area
多参数地震属性在大邑地区超致密储层预测中的应用
Study on the Selectivity of Imidazolium Ionic Liquids in Extractive Separaction;
咪唑类离子液体在萃取分离中的选择性研究
Consecutive polarity coincidence based SSP to ultrasonic reflected signal
超声回波信号的连续极性一致法分离谱处理