If it is a strong additive substance I think it is unacceptable.
如果大量吸食，我觉得那是不被接受的。
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。
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