知识
发表于 2025-3-26 23:04:16
http://reply.papertrans.cn/15/1463/146265/146265_31.png
幻影
发表于 2025-3-27 03:12:21
ing colour and dyeing properties with chemical composition emerged as more and more dyes were discovered. Thus, in 1868 it was suggested that colour was associated with unsaturation, since all the then known synthetic dyes could be decolorised by reduction (Graebe and Liebermann, 1868). This view wa
Mosaic
发表于 2025-3-27 08:19:24
http://reply.papertrans.cn/15/1463/146265/146265_33.png
fluoroscopy
发表于 2025-3-27 11:52:43
http://reply.papertrans.cn/15/1463/146265/146265_34.png
lipoatrophy
发表于 2025-3-27 16:55:33
http://reply.papertrans.cn/15/1463/146265/146265_35.png
业余爱好者
发表于 2025-3-27 21:26:11
http://reply.papertrans.cn/15/1463/146265/146265_36.png