Process for performing clean production on chitin through solid fermentation and conversion of shrimp and crab abandoned biomass by utilizing micro-ecological bacteria agent
CN103804516A
Dihydroxypropyl chitosan preparation method
CN103801266A
Chitosan nanometer fiber membrane absorption material and preparation method thereof
CN103804434A
Glucosamine preparation method
CN103804721A
Modified chitosan material preparation method
CN103804435A
Glucosamine sulfate calcium salt preparation method
CN103804515A
Chitooligosaccharide production method
CN103374081A
Method for preparing high-viscosity and high-deacetylation-degree chitosan
CN103374046A
Method for preparing D-glucosamine hydrochloride
CN103374045A
Method for preparing N-acetyl-D-glucosamine
CN103374080A
Method for preparing carboxymethyl chitosan
CN103374044A
Method for preparing glucosamine sulfate
CN102417524A
Production method of D-glucosamine hydrochloride
CN102417525A
Preparation method of synthesized D-glucosamine sulfate sodium
CN102417550A
Production device of chitin
CN101659711A
Technology for extracting chitin from shrimp and crab shells