涡流增氧机是解决越冬鱼池增氧的专用设备，结构新颖，体积小，工效高，且制造简单、操作容易。由于采用涡流原理，叶轮工作时能自由吸由外界......

锦鲤疱疹病毒病（Kio herpesvirus disease,KHVD）是由锦鲤疱疹病毒（Kio herpesvirus,KHV）引起的鲤（Cyprinus carpio L）、锦鲤、框镜鲤的一......

Under-ice ambient noise in the Arctic Ocean is studied using the data recorded by autonomous hydrophones at the long-ter......