Studies on the Surfactancy of Lignosulfonate Derivatives About Propoxylation and Ethoxylation
ZHOU Jian cheng,LI Zhong zheng
JOURNAL OF NANJING FORESTRY UNIVERSITY . 2002, (05): 7 -9 .  DOI: 10.3969/j.jssn.1000-2006.2002.05.002