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[求助]
为什么文献中使用pc膜过滤后，滤膜的有效过滤面积为之前的1/10?
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Ultrathin freestanding nanoporous membranes prepared from polystyrene nanoparticles：The filtration area of our filter holder is 2.84cm2 and the porosity of the PC membrane is 10%. Then, the effective surface area is 0.284 cm2.以及 Ultrathin Free-Standing Bombyx mori Silk Nanofibril Membranes：The filtration area of our filter holder is 9.62 cm2 and the porosity of the PC membrane is 10%. Then, the effective surfacearea in our case is 0.962 cm2 实验部分的计算都是这样计算的。 膜的有效面积不是过滤面积吗？和孔隙率有关吗？ |
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