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。

Progress in Synthetic Technology of Organic Intermediates Present Market Status and Development Priorities of Dyestuff and Pigment Intermediates in China

有机中间体 合成技术的进展中国 染/颜料中间体市场现状和发展关键

In this paper through the examples of application of dyestuff production technique in fields such as synthetic fiber polyaramide fiber carbon fiber IT industries and so on it is described that the traditional dyestuff industry is indispensable to modern industries for development .

文中通过染料生产技术在 合成纤维、芳纶纤维、碳纤维以及IT行业等其他工业部门的应用实例，论证了古老的 染料工业对现代工业发展具有不可或缺的作用。

Nitrobenzene compounds as the direct or indirect synthetic raw materials of many industries such as dyestuff medicine pesticide explosive and so on are of great importance in the whole organic chemical industry .

硝基苯类化合物在有机化工占有重要地位，它是 合成 染料、医药、农药、火炸药等许多行业的直接或间接原料。

Study on the Synthetic Technology of Leather Dyestuff Lotus 5B

皮革 青莲5B 合成工艺的研究