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2.A natural macromolecule adsorbent - modified chitosan (VCG) was prepared by using chitosan with vanillin.
3.New type and green environmental protection fiber are produced using cellulose,starch,soybean,Murphy etc natural plants or animal carapace.
4.Abstract: Researches on unformaldehyde unironing finishing are summarized in this paper.Functions and deficiencies of glyoralamido,water soluble heat reactive polyure thane,bishydroxyethyl-sulfoue,natural high precision chitosan,reactive organosilicon,amyloidosis epoxide,multiple carboxyl acid compound are also analyzed and compared.
6.Fundamental research has been carried out to use natural fibers, such as cotton, rice husk and straw, which are abundantly available and relatively cheap, to synthesize anion-exchange fibers for the removal of arsenic and fluorine from wastewater.
7.The investigation result shows that the feed of Mystus guttatus in the Pearl River are crustaceans, insect, annelida, fish and pieces of plant. Among them, the crustaceans and insects are the main feed,the emergence frequency is 78.6% and 45.8% respectively.
9.Because chitin has a high degree of crystallinity, it can only be dissolved in expensive organic solvents.
10.Studies of Natural Macromolecular Adsorbent I. Preparation of Chitosan Crosslinked by Ethylene Glycol Bisglycidyl Ether and Its Properties of Adsorbing Cu ( Ⅱ ) and Ni ( Ⅱ)
