高效液相色谱法分析水中酚类化合物时,常用的色谱分析柱为(),流动相为()。
参考答案:十八烷基硅烷键合硅胶(ODS);乙腈和水(含1%乙酸)混合溶剂
— Do you think there are new words in this unit?
— Yes, that's right. I'll first. [ ]
A. too much, look them up
B. too many, look up them
C. much too, look them up
D. too many, look them up
通过肱骨结节间沟的是以下哪条肌腱:
A.肱三头肌的外侧头肌腱
B.肱二头肌短头腱
C.肱二头肌长头腱
D.冈上肌肌腱
E.冈下肌肌腱