sieve action ; sieve effect
... sieve diaphragm 隔膜 sieve effect 筛孔效应 sieve mesh 筛孔；筛网 ...
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固体扩散漫反射吸收光谱研究表明：DBC-ASA处于分子筛SBA 15孔道内，分子筛孔道对DBC-ASA具有立体限域效应。
The solid state diffuse reflectance absorption spectra show that DBC-ASA is located in the channel of the SBA15 molecular sieve, and the channel of SBA15 has stereoconfinment.
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