什么是外源性凝血系统?
参考答案:
指Ⅶ因子激活及因子Ⅲ(组织因子)活化过程。
I'd like to know __________or not.
A.whether will he come
B.if he has come
C.whether he will come
D.that he will come
单凝聚法制备微囊时,加入硫酸钠水溶液的作用是()
A.增塑剂
B.稳定剂
C.稀释剂
D.凝聚剂
E.阻滞剂