尼泊金丙酯(Propylparaben)：用于保存美容品和食品的油溶性苯甲酸酯类。 防腐剂(Preservative)：添加到食品和其它产品中，以保持它们的新鲜度。
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青椒保鲜剂研究与配制 关键词 ：青椒；贮藏；保鲜；保鲜剂；乙烯[gap=1661]Key words ：green pepper fruit；storage；preserve freshness；preservative agent；ethylene
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chemical preservative 化学防腐剂〔包括盐
food preservative 食品防腐剂 ; 食品保鲜剂 ; 食物防腐剂
preservative paper 防腐纸 ; 保鲜纸
disinfectant and preservative 消毒防腐剂 ; 消毒防腐药
preservative-treated lumber 防腐处理的木材 ; 防腐处置的木材
preservative-treated timber 防腐木
Preservative-Free 不含防腐剂 ; 无防腐剂
Food preservative plays an important role in food shell-life and food quality.
食品防腐剂对提高食品保藏性和延长食品保质期具有重要作用。
参考来源 - 分泌广谱抗菌肽乳酸菌的筛选及高效表达的调控研究This paper mainly studied the effect of preservative, packaging methods, supercritical CO2 sterilization on the shelf-life of pre-processed fresh chicken, as so to supply meat manufacture with theory and technology on extending the shelf life of pre-processed fresh chicken.1.
本文主要研究了保鲜剂、包装方式、超临界CO2杀菌对生鲜调理鸡肉货架期的影响,旨在为肉类生产企业延长生鲜调理鸡肉的保质期提供理论依据和技术支撑。
参考来源 - 生鲜调理鸡肉保鲜技术研究The changes of gas in three types of preservative films during lingwu long jujube fruits storage were investigated, on the three kinds of packaging films on the jujube fruit cold storage preservation effect of the 90 day study.
对灵武长枣低温贮藏前期3种包装袋袋内气体成分的变化进行了测定分析,同时将3种保鲜膜对枣果实低温贮藏90天的保鲜效果进行了研究。
参考来源 - 不同保鲜膜对灵武长枣低温贮藏品质的影响·2,447,543篇论文数据，部分数据来源于NoteExpress
"the timbers should be treated with a preservative"
以上来源于: WordNet
N-MASS A preservative is a chemical that prevents things from decaying. Some preservatives are added to food, and others are used to treat wood or metal. 防腐剂
Nitrates are used as preservatives in food processing.
硝酸盐在食品加工中被用作防腐剂。
So far, specialists have worked to add preservative materials to the churches' exteriors.
到目前为止，专家们一直在为教堂外围添加防腐性材料。
The preservative used is usually ethylene glycol or propylene glycol, as alcohol will evaporate quickly and the traps will dry out.
常用防腐剂是乙二醇或丙二醇，因为随着酒精快速挥发，捕集器也随之恢复干燥。
A pitfall trap can be any small container placed in the ground with the top level with the surrounding surface and filled with a preservative.
陷阱可以是任何放置在地面上的小容器，其顶部与周围的表面齐平，并装满防腐剂。
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