Polyphenol substances的用法和樣例：
例句
- The aging phenomenon coincided with oxygen absorption and was retarded by phenolic substances.
老化現象與氧化吸收密切相關，酚類化合物可以阻緩老化。 - In this paper,a imidazole-salt was synthsised and was used with a polyphenol compound to modify the dicyandiamide curing epoxy resin system.
本文針對雙氰胺固化環氧樹脂時的固化溫度高，固化產物耐濕熱性差的缺點，利用自行合成的咪唑鹽和多羥基酚類化合物，對雙氰胺固化體系進行了改進。
