During 15 months the white shrimp (Litopenaeus schmitti) fishing zone was characterized ecologically through the obtaini......

试验以半透膜法收集地衣芽孢杆菌（Bacillus licheniformis）De株的胞外产物（extracellular products,ECP）,以匀浆离心法提取凡纳滨对虾......