This study investigated the efficiency of using biofilter for ammonia removal in outdoor shrimp tanks.The experiment was......

　　The resistance of bacteria to 12 different antibiotics was investigated in shrirnp farms on Donghai Island,China.Ant......

实验研究１９９４年５－８月即墨金口养殖场虾病发生前，养虾池叶绿素ａ总量、去镁叶绿素含量、不同粒径浮游植物叶绿素ａ含量以及营养盐的变化。......

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