刚性烧结微孔管由于有一定的壁厚，毛细孔道的深层也可起明显的过滤作用。

Because rigid sintered microporous tube have certain wall thickness, and the deepness of pores can also have apparent filtering effect.

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实验表明4号活性炭仍具有一定的吸附功能，其他4种活性炭已经失去吸附过滤作用。

The results show that activated carbon No. 4 still retains some adsorption function. The other 4 kinds of activated carbon have lost their adsorption filtration functions.

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根据上面的讨论，似乎提倡使用过滤作用较强的谓词先于过滤作用较弱的谓词应用这个标准。

Based on all of this discussion, it would appear that the standard that advocates coding the most-filtering predicates before the least-filtering predicates is desirable.

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And actually, a question that might come up, I just explained, the sodium channel, you might say, well, how do potassium channels work then, because I can understand how you can filter something big out, but how do you filter out something small.

实际上，可能大家会问一个问题，我刚解释过，钠离子通道，你可以说，好吧，那么钾离子通道该如何起作用呢，因为我可以理解你是如何把大东西过滤掉的，但是你如何把小东西过滤掉呢？

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