下列因素中哪个对生物Fo值没有影响
A.容器在灭菌器内的数量和排布B.待灭菌溶液溶剂系统的黏度C.溶剂系统D.容器的大小、形状、热穿透系数E.药液的颜色
参考答案:E
She brought with her three friends, none of _________ I had ever met before.
A.them
B.who
C.these
D.whom