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- 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。
- These PFSPEMs were characterized by DSC, ATR, XRD, SAXS studies and through their water content, volume expansion, conductivity and methanol permeability. 本文利用热压法,在不同温度的条件下,制备了不同IEC值的PFSPEM,利用DSC、ATR、XRD、SAXS等手段进行了表征,同时还测量了膜的含水率、体积溶胀度、电导率以及甲醇渗透率等。
- Composite proton exchange membranes are prepared with polyvinyl alcohol(PVA),phosphotungstic acid(PWA) and alumina(Al_2O_3). The proton conductivity,water uptake,swelling degree and methanol permeability of the membranes are measured. 在聚乙烯醇(PVA)中添加磷钨酸(PWA)和氧化铝(A l2O3);制得复合质子交换膜;测定其电导率、含水率、溶胀度和甲醇透过系数等性质.
- Keywords sulfonated polyetheretherketone;polysulfone;blend membrane;conductivity;methanol permeability; 磺化聚醚醚酮;聚砜;共混膜;电导率;甲醇透过系数;
- Keywords Direct methanol fuel cell;Sulfonated polyether ether ketone;Proton exchange membranes;Proton conductivity;Methanol permeability; 直接甲醇燃料电池;磺化聚醚醚酮;质子交换膜;电导率;甲醇透过率;
- Keywords sulfonated polyether ether ketone;polyvinylidene fluoride;proton conductivity;methanol permeability;direct methanol fuel cells; 磺化聚醚醚酮;聚偏氟乙烯;甲醇渗透;质子电导率;直接甲醇燃料电池;
- methanol permeability 甲醇透过系数
- An alcohol derived from methanol. 木精，甲醇由甲醇得到的醇
- The first is the channel theory of permeability. 第一个是透过度的通道理论。
- What can I do to reduce my exposure to methanol? 如何降低我暴露在甲醇中的机会?
- What do I do if I spill methanol somewhere? 甲醇洒落咋办?
- What does methanol have to do with biodiesel? 甲醇与生物柴油?
- Cancel water vapour permeability coefficient. 取消了水蒸气渗透系数。
- Methanol cracking is a main source of H2 and CO. 甲醇裂解是H2和CO的主要来源。
- Air resistance See Air permeability. 空气阻力参阅透气度。
- Rocks have better water permeability than sand. 岩石的透水性不如沙土。
- Permeability - Percentage of particles passing through the mesh. 渗透性-粒子通过网格的百分比。
- Micro cells use energy sources like hydrogen and methanol. 微型电池用像氢气、甲醇这样的能源。
- The wet filter cake was recrystallized from 650ml methanol. 将湿的滤饼用650毫升甲醇进行重结晶。
- Two methods are used to evaluate the permeability of cores. 有两种方法可用来测量岩芯的渗透率。
