The energy band gaps of sputtered Cr 03 are approximately 1 . leV ( AD ) and 1 . 4 eV ( HT ).其中第三种溅射铬-氧薄膜(C_ rO3)的能带间隙约 1.leV ( A-D ) 和1.4eV ( H-T ).Methods: The serum PLA 2 , ALT lev els were detected by Trace titration...
Twelve potential vaccines are currently being tested on human volunteers.目前正在人类志愿者身上试验12种试用疫苗。Anti-malarial vaccines are now under-going trials.抗疟疾的疫苗正在试验阶段。His team are at the forefront of scientific research into vacci...
Speckled quails rustled in the underbrush.鹌鹑在矮树丛里沙沙作响.I went out to pop some quails.我出去打几只鹌鹑.A bevy of quails lit in the tress near our house.一群鹌鹑停落在我家附近的树上....