3.The eumelanin has been bleached by the sun, and the red color is showing through, however slightly.
这是因为在阳光下,真黑素被淡化,而红则现显出来,虽然十分微弱。
4.Bleaching earth filtration —Complete removal of the bleaching media from the bleached oil is very important since residual earths can act as a prooxidant.
白土过滤—完全去除脱油中白土是非常重要,因为残留白土会促进氧化。
5.All the samples include Suzhou satin , Surah and Sangbo satin.There are bleached silk fabrics , dyed silk fabrics and fabrics treated by softener and totally amount of 29 kinds.