1·Difficulty: Hydrolytic methods of sulfonic acid, sulphonate and amido.
难点：磺酸及其盐类的水解、氨基的水解。
2·The composition and beneficiation test of MKS mixed sulphonate collector are described.
介绍了MKS混合磺酸盐捕收剂的组成、制备及选矿试验情况。
3·A new method to sulphonate dialkylbenzene directly by a stable liquid sulphur trioxide.
一种稳定的液态三氧化硫直接磺化重烷基苯新方法。
4·The composition and beneficiation test of MKS mixed sulphonate collector are described.
介绍了MKS混合磺酸盐捕收剂的组成、备及选矿试验情况。
5·At present, the methyl sulphonate series products have been used by some developed countries for changing this state.
目前，发达国家已经采用了甲基磺酸盐系列产品来改变这一状况。
6·Dispersant NNO Naphthalene sulphonate formaldehyde condensate This product is light brown powder, an anionic surface active agent.
甲醛缩合物本品为浅褐色粉末，属阴离子型表面活性剂。
7·This paper also discusses the relationship between the composition and properties of them cresol sulphonate - formaldehyde condensates MSF).
讨论了间甲酚磺酸甲醛缩合物组成和性能关系。
8·Dispersing agent NNO Naphthalene sulphonate formaldehyde condensate This product is light yellow to yellow-brown powder, an anion surface active agent.
甲醛缩合物本品为浅黄色至黄棕色粉末，属阴离子型表面活性剂。
9·Emulsifying system using alkyl sulfates, alkyl benzene sulphonate and so on as negative ion surfactant to compound with alkyl, phenolic group polyethylene and polyvinyl alcohol.
乳化体系采用烷基硫酸盐、烷基苯磺酸盐等阴离子乳化剂与烷基酚基聚氧乙烯醚、聚乙烯醇等非离子乳化剂进行复合使用。
10·This study on the tanning and retanning properties of LB type protein syntan respectively was synthesized by the collagen fiber hydrolysates with phenol sulphonate and aldehydes.
本文分别研究了LB型蛋白鞣和复鞣性能，该鞣剂由胶原纤维水解物通过苯酚磺化产物和醛类缩合改性而成。