李子干含有的大量新绿原酸和绿原酸,是对付“过氧化阴离子自由基”特别有效的抗氧化剂。
Dried plums contain high amounts of neochlorogenic and chlorogenic acids, antioxidants that are particularly effective in combating the " superoxide anion radical".
含质子酸基交联性芳香族树脂及使用该树脂的离子传导性高分子膜,粘合剂,以及燃料电池。
Crosslinkable aromatic resin having protonic acid group, and ion conductive polymer membrane, binder and fuel cell using the resin.
从磺基水杨酸与三价铁离子配合物的组成及稳定常数测定实验入手,探讨了化学实验中的教学技巧问题。
By determining the composition and stable constants of sulphuric iron salicylate, this article probes into the teaching skills in chemistry experiments.
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