<正>采用水溶液聚合法，以N，N’-亚甲基双丙烯酰胺为交联剂，过硫酸铵为氧化还原引发剂，乙二胺四乙酸为螯合添加剂，丙烯酰胺和部分中和的丙烯酸为单体，制成用于荒漠化防治的交联型耐盐高吸水树脂，研究了交联剂、螯合剂、氧化还原引发剂及中和度等对该高吸水树脂的吸水性和吸盐性的影响。结果表明：使用EDTA作为螯合添加剂，树脂的吸收率有明显提高，吸水（自来水）率和吸盐率分别达到900g/g和190g/g以上；改变交联剂、氧化一还原引发剂用量能提高树脂的吸盐性；中和度对树脂的吸水性有一定影响?但对吸盐性没有明显影响。

The best guiding curves were selected from seven models with data of stem analysis. Based on analyzing the characters of tree height growth in each index, the standard site index function with multiform and the index table were formed. The results showed that the multiform site index table could be used to guide the management of real forest in Jiangsu province. Although the object tree of this paper is black poplar, the site index table could be used as a reference for other kinds of poplar in Jiangsu province. The study could offer the quality basis for the management of the growing artificial forest of poplar in Jiangsu province.