Added PEG could reduce the pore size of SBA-15 and increase the wall thickness., 以PEG系列为助剂在有效缩小SBA-15孔径并增加其孔壁壁厚同时结构不变。

wèi shí me wǒ méi yǒu yí gè yán zhí gāo dào bào zhà de duì xiàng ， ér wǒ de duì xiàng què yǒu 。 zhí yè huà de gōng zuò xíng ...

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