以下方法,不能除去热原的是
A.高温法B.吸附法C.过滤法D.离子交换法E.二次以上湿热灭菌法
参考答案:C
解析:超滤法可除去热原,但其他过滤法不能除去热原。
The final examination is coming up soon. It's time for us to ________ our studies. [ ]
A. get down to
B. get out
C. get back
D. get over
早期声门区癌每日照射剂量()
A.150cGy已足够
B.180cGy
C.180~200cGy
D.230cGy
E.>230cGy