The improved synthetic process of the weak acid dyestuff, Blue BS was described in this paper.
本文重点介绍了弱酸兰bs染料合成改进工艺。
There were two dozens of eggs and three egg spoon, dyestuff with six different color: red, orange, yellow, green, blue, purple.
桌上放着一盒熟鸡蛋，还有橙、绿、蓝、紫、黄、红色的染料，三个捞鸡蛋的勺子。
The spectra of reactive bright blue praseodymium and dyed silk cloth by reactive bright blue praseodymium dyestuff were studied by UV Vis and IR spectra respectively.
分别测定了活性翠蓝、活性翠蓝镨的紫外可见光吸收光谱以及染色后真丝绸的红外光谱。
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