铁磁共振线宽
参考答案:
当交变磁场的频率固定,调节外加静磁场,使磁体发生铁磁共振,取坡耳德张量磁导率对角分量虚部为其峰值的1/2时所对应的两个磁场厅2与丑l之差。
Read and write.
1. (Her She) hair is long and brown. (Her She) is pretty.
2. Your eyes are _ (big bigger), but my eyes are _____ (big bigger) than yours.
3. Miss Liu _ (has is) a small nose. But her mouth (is has) big.
4. Amy is 2 years Chen Jie. (old)
5. Sarah is 3 kg John. ( heavy)
6. Miss Zhang is 160 cm. I am 150cm. I am than Miss Zhang.
7. Miss Li is 25. Mr Ma is 30. Miss Li is Mr Ma.
肺癌的临床表现为()
A.急性起病、高热、咳铁锈色痰
B.持续性低热、盗汗
C.急性起病、高热、大量脓痰
D.咳嗽性质改变呈高调金属音
E.夜间憋醒,被迫坐起