1) Methanol permeability
甲醇透过率
1.
The effects of curing temperature, methanol concentration and membrane composition on the ionic conductivity and the methanol permeability of the membranes were investigated.
制备了聚乙烯醇 (PVA)与聚苯乙烯磺酸 (PSSA)的共混膜 ,并研究了膜的组成、热处理温度、甲醇水溶液浓度等对膜电导率和甲醇透过率的影响。
2) methanol permeability
甲醇透过性
1.
Fourier transform infrared attenuated total reflection(FTIR-ATR) spectra,proton conductivity,methanol permeability and morphology of samples were studies.
磺化二氮杂萘酮结构的聚醚酮(SPPEK)与磷钨酸(PWA)的混合膜用两组分的DMAc混合溶液通过刮膜制备,对SPPEK/PWA膜进行了FTIR-ATR、表面形貌、质子导电性和甲醇透过性进行了研究。
3) methanol permeability
甲醇渗透率
1.
The effects of membrane composition and methanol concentration on the mechanical property,the ionic conductivity and the methanol permeability of the membranes were investigated.
制备了聚2-丙烯酰胺-2-甲基丙磺酸(PAM PS)/聚乙烯醇(PVA)复合质子交换膜,并研究了膜的组成、甲醇水溶液浓度等对膜力学强度、电导率和甲醇渗透率的影响。
2.
The proton conductivity and the methanol permeability were determined by impedance spectrometry and diaphragm diffusion,respectively.
2×10-2S/cm的水平,而且蒙脱土的加入明显地降低了SPEEK膜的甲醇渗透率。
3.
The methanol permeability of both PVA and nanocomposite membranes were reduced with increasing concentration of methanol.
研究结果表明,有机无机纳米复合膜的甲醇阻隔性能随着SiO2 的加入而提高,随着PWA的加入而降低,复合膜和PVA的甲醇渗透率随甲醇浓度的增大而降低。
4) methanol permeability
甲醇透过系数
1.
The PES/SPEEK membranes water uptake,swelling degree and methanol permeability decrease collectively as PES content increases.
所制备PES/SPEEK共混膜的含水率、溶胀度和甲醇透过系数均随PES含量的增加而降低。
2.
Both SPES and PES/SPES blend membranes had low methanol permeability and high proton conductivity indicating these membranes are excellent candidate membrane materials for direct methanol fuel cells (DMFCs) applications.
SPES膜在室温下的电导率和甲醇透过系数随着磺化度的增大而增大。
3.
In this paper,we focus on modifying drawbacks of Nafion membrane in order to improve capacity of water,reduce methanol permeability and the cost.
目前广泛应用的全氟磺酸质子交换膜由于成本高,工作温度低,以及甲醇透过系数高等原因,限制了其产业化应用。
5) mannitol efflux rate
甘露醇透过率
1.
The cell morphology,transepithelial electrical resistance,mannitol efflux rate and alkaline phosphatase activities were monitored during culture.
采用细胞形态学、跨膜电阻值、甘露醇透过率和碱性磷酸酶活性等指标对细胞模型进行检测。
6) methanol crossover
甲醇渗透
1.
Development of suppression methanol crossover in DMFC;
DMFC的阻甲醇渗透研究进展
2.
With the coulomb gravitation, the polycation modified Au nano-particles were self-assembled onto the NafionTM 212 membrane surface to form methanol blocking proton exchange membranes, and the methanol crossover decreased from 168 mA/cm2 to 18 mA/cm2 at the condition of 2 mol/L methanol at 60℃.
在静电引力作用下将聚阳离子修饰的金颗粒组装到NafionTM212膜表面制成抗甲醇渗透质子交换膜。
3.
Methanol crossover and its effect on the open-circuit voltage(OCV) in DMFCs were studied usingcyclic voltammetry and chronoamperometry under stationary condition and at ambient temperature.
设计并建立甲醇渗透测试体系和模拟直接甲醇燃料电池(DMFC)运行体系,分别考察静态条件下H-cell中甲醇的渗透和运行条件下甲醇渗透对OCV的影响。
补充资料：光谱透过率
分子式：
CAS号：
性质：又称光谱透过率。光通过物体后，从物体透射出的光通量与入射到物体的光通量之比。以符号τ表示。在测量和计算透明物体或溶液的光谱和颜色特性时，常用到这一物理量。
CAS号：
性质：又称光谱透过率。光通过物体后，从物体透射出的光通量与入射到物体的光通量之比。以符号τ表示。在测量和计算透明物体或溶液的光谱和颜色特性时，常用到这一物理量。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条