With increasing content of the scattering additive substance, the size of PS particles dispersed in the PMMA matrix increased and the extent of distribution decreased.
随着添加物用量的增加，分散在PM MA基体中的PS的粒径增加，分布的密度减少。
"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。
Our company is specialized in trading chemical reagent , food additive , pharmaceutical adjuvant , standard substance and laboratory consumables , totally over 4000 types.
我公司专业经营化学试剂、食品添加剂、医药辅料，标准品及实验室消耗品，品种达4000余种，行销全国三十多个省市、自治区。
As to fermented food additive, fermentation broth and fermentation wastewater contain impurities such as mycelia, sugar or protein that remained, suspend substance and organic salt, etc.
对于发酵型食品添加剂，发酵料液及发酵废水中含有残留的菌丝体、糖或蛋白质、悬浮微粒和有机盐等杂质。
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。
Function: it is one of the essential amino acid to human body and used as nutrition enriching substance and food additive.
用途：人体必需氨基酸之一，用作营养增补剂、食品添加剂。
Function: it is one of the essential amino acid to human body and used as nutrition enriching substance and food additive.
用途：人体必需氨基酸之一，用作营养增补剂、食品添加剂。
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