该天然抗氧化剂是多组分的混合物，其抗氧化成分力咖啡酸、 绿原酸和多种氨基酸。
This natural antioxidant is a multicomponent mixture with good antioxidative effect, safe in use and is possible to take the place of synthetics.
这些成果包括酚类、有机硫化合物、有机酸、有机磷农药、苯系物、多组分有机污染物的分析测定。
These organic pollutants included phenol, organosulfur compound, organic acid, organophosphorus pesticide, substituted benzene and multi-component organic pollutants.
分析了酸性溶液中酸浓度、溶解温度、溶解时间和超声波作用对多组分磷酸盐玻璃化学浸蚀的影响。
The etching effect factors such as solution concentration, temperature, reaction time and ultrasonic stirring etc were also investigated.
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