Acrylics are scoured with nonionic detergents, and care is taken to avoid alkaline conditions, since these fibers turn yellow in hot alkali.
丙烯腈纤维织物应使用非离子型洗涤剂，而避免使用碱性溶液，因为在热碱性条例下丙烯腈纤维容易变黄。
The cause of yellow spots formed on fibers or fabrics from more than 10 fluorescent whiteners commonly used in China was studied on the basis of the whitening mechanism.
根据荧光增白剂的增白原理分析了荧光增白剂在纤维或织物上产生泛黄点的原因，并列出了目前我国常用的十几种国内外荧光增白剂的泛黄点。
Results:(1) The anoxic skeletal muscle fibers was vivid red in color while the normal one was yellow and the cell nucleus was black blue.
结果：缺氧骨骼肌纤维呈艳红色，正常骨骼肌纤维呈黄色，细胞核呈蓝黑色；
应用推荐