A super absorbent resin, which is self-cross-linking polyacrylic acid sodium salt, was synthesized by means of counter emulsion polymerization.
采用逆相乳液聚合法合成自交联型聚丙烯酸钠高吸水性树脂。
2
The breaking strength of grafted membrane increases with the increasing of grafting degree, but it does not change obviously by self-cross-linking.
接枝膜的拉伸断裂强度随接枝率的增加而提高，但是辐射自交联无法显著提高膜的力学性能。
3
Both female and paternal parents of the new variety of Luxing Chinese cabbage are self-seed from self-cross plants of imported variety with superior quality.