CT增强扫描时,肝组织密度提高,因此CT值将增加约()
A、10~20HU
B、20~30HU
C、30~40HU
D、40~50HU
E、50~60HU
参考答案:B
某牛腿与钢柱连接角焊缝如图16-5所示,静力荷载设计值N=365kN,偏心距e=350mm,焊脚尺寸hf1=8mm,hf2=6mm。钢材用Q23s,焊条用E43型、手工焊。
当不考虑腹板焊缝传递弯矩时,翼缘焊缝强度σf(N/mm),与下列何项数值最为接近()?
A.185.1
B.161.4
C.169.6
D.178.3
Man differs from beasts ______ the former is able to think, while the latter aren’t.
A.once
B.as long as
C.in that
D.for