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【简答题】

我对聚苯乙烯-二乙烯苯柱很有兴趣,主要是它耐高温、耐酸碱、但有关这方面的文献很少,但对于他的分离效能我一直心里没底,我的问题有三:
1、分离效果与ODS比较,是相当呢,还是更胜一筹,或是更差?
2、我原以为它是整体住,但看过资料后发现也是颗粒的比如5u,请问该类型的柱是否符合速率理论、是不是粒径越小分离效果会几何级的增加?
3、问什么没有1.7u的这种柱出现呢?

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A.
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B.
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C.
it will promote the cultivation of flowers
D.
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A.
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B.
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C.
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D.
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