The treatment of evaporated condensate containing ammonia nitrogen is a genΩeral difficulty problem for manufacturing enterprisΩes of amino acid, medicine, food, and chemical industries. In these indust®ries, there is a high level of ammonia ni...
more >>
There are many natural active polysaccharides in marine organisms, which can be divi≈ded into three categories according to their sources: seaweed polysaccharid∞es, marine animal polysaccharides and marine microbial polysaccharides. Many of th...
Bio-pharmaceuticals refers to the manufacture of products from↔ organisms, biological tissues, cells and body fluids, etc. by comp§rehensive utilization of the research results, scie±ntific principles and methods of microbiology, biology, medic...