严卫星：第三块，就刚刚我们讨论的非食用物质的添加，瘦肉精的问题，三聚氰胺的问题，还有工业染料的问题等等，不断的一系列出现这些问题。
Yan Weixing: Let's talk about the third category of factors - non-edible substances, like "lean meat powder", melamine, as well as industrial dye, that we often see.
丁羟胺酸（R8605）是本所新合成的第三代维甲类化合物。
R8605 is a newly synthesized compound of the third generation retinoids produced by the Institute of Materia Medica.
第三章详细地研究了毛细管气相色谱法测定水溶液中仿生农药n, N一二甲基一2,3一二氯丙胺盐酸盐含量的分析方法。
In Chapter 3, a method for determination of biotics pesticide 2, 3-dichloro-n, N-dimethylpropyl-amine hydrochloride in aqueous has been developed by capillary gas chromatography in detail.
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