"Food additive" means any synthetic compound or natural substance put into food to improve its quality, colour, fragrance or taste, or for the sake of preservation or processing.

食品添加剂：指为改善食品品质和色、香、味，以及为防腐和加工工艺的需要而加入食品中的化学合成或者天然物质。

youdao

In this paper, the processing technology and functions of heat preservation of cement cinder and polyphenyl compound heat preservation panel are intro duced.

介绍了水泥炉渣聚苯复合保温板的加工工艺、保温和性能及水泥炉渣聚苯复合保温板安装施工操作要点。

youdao

A degree in this field will include an orientation to food processing and preservation, procurement and merchandising, advertising and public relations.

在这个领域的一个学位包括在食物加工和储藏，采购和销售，广告和公共关系的定位。

youdao

To this end, the PLP emphasise training in, for example, literacy (mathematics, English, Urdu), health, agriculture (crop, fish, poultry and livestock production), life skills (peace-building, conflict management and resolution), food processing and preservation and dressmaking.

UNESCO: National Literacy Programme (NLP)