During the solidification of Bi-Mn alloys from the mushy zone between 262℃ and 355℃ in a static magnetic field up to 1......

吼叫是扬子鳄（Alligator sinensis）经常发生的行为之一，而目前有关吼叫行为生物学意义的资料还很缺乏。本文通过对安徽省扬子鳄繁殖研......