91av视频/亚洲h视频/操亚洲美女/外国一级黄色毛片 - 国产三级三级三级三级

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    發布日期: 2021-04-10
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資源簡介

Selective adsorption property of collagen fibre adsorbent for tea polyphenols,廖學品,陸忠兵,A novel adsorbent was prepared based on cattle hide collagen fibres. It was found that the collagen fibre adsorbent can selectively adsorb galloylated catechins (EGCG, GCG and ECG)

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