Functional modification and applications of lignin Preparation, modification and application of magadiite 并列题名：Preparation, modification and application of magadiite Functionalization and modification of polyolefins Functions and applications of alginate Functions and applications of fucoidan Codification, decodification and anti-condification of civil Preparation, modification and application of novel magnetic nanomaterials Preparation, modification and application of biodegradable packaging film 并列题名：Functions and applications of alginate