影响稀土元素离子交换色层分离的因素:()
A. 淋洗剂溶液的pH值
B. 淋洗剂浓度
C. 淋洗剂流速
D. 树脂的性质
The presence of Negri bodies in host cells is characteristic of
A. Mumps
B. Infectious mononucleosis
Congenital rubella
D. Rabies
When infected by___________, one may occur hydrophobia.
A. HIV
B. HSV
C. mumps virus
D. rabies virus
Check if the animal has rabies, should be captured and observed in isolation for
A. 1 month
B. 11 weeks
C. 10d
D. 2 weeks