关于头皮裂伤,下列哪项不对()
A. 钝性撞击不会发生裂伤
B. 急救时应立即加压包扎止血
C. 24h内的裂伤清创后应一期缝合
D. 清创后以采用分层缝合较好
E. 头皮缺损应予修补
What can be used to maintain the voice quality on a link by limiting the number of calls that can be active at any given time?()
A. Call Management Link Agent
B. Traffic policing
Call Admission Control
D. QoS Link Congestion Management
E. Oversubscription Link Detectio
α-淀粉酶也叫液化型淀粉酶,是一种淀粉水解反应的生物催化剂,试问在α-淀粉酶的催化作用下,直链淀粉和支链淀粉的最终水解产物有何不同?原因何在?
产生连续X射线的主要作用是()
A. 光电效应
B. 原子核衰变
C. 韧致辐射
D. 电离