Two previously unknown species of hydromedusae,i.e.Bougainvillia leizhouensis Xu,Guo&Wang,sp.nov.and Octocannoides tetra......

为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

Sarsia tubulosa(M.Sars,1835)belongs to the family Corynidae,and is mainly distributed in coastal boreal and arctic water......

本文分析了 1 999年夏季我国首次北极科学考察楚科奇海及邻近的北冰洋加拿大海盆南缘海域管水母类的种类组成、丰度和垂直分布。仅......