... tpn 百菌清 trace atom标记原子 trace element deficiency 微量元素缺乏症 ...
双语例句
1
Other stars, like our Sun, might have trace amounts of zirconium -- maybe one atom in two billion -- but LS IV-14 116 has one zirconium atom for every 200, 000 atoms.
Methods: Trace element zinc in serum was determined by the atom absorption spectrum method.
方法：用原子吸收光谱法测定银南地区儿童微量耳垂血血清微量元素锌。
3
The contents of calcium and phosphate in tibias were determined by chemical analysis and the trace elements were detected by atom absorption spectrophotometer.