Thursday, September 22, 2022
单选题消化道造影常用对比剂是( )。A 硫化钡B 氯化钡C 硫酸钡D 硫酸钙E 氯化钙...
Friday, March 24, 2023
Thursday, September 22, 2022
Thursday, September 22, 2022
单选题应用非晶硒和薄膜晶体管阵列技术制成的探测器是()A 硒鼓检测器B IP成像转换器C 直接转换平板探测器D 间接转换平板探测器E 多丝正比室检测器...
Tuesday, January 31, 2023
Tuesday, September 20, 2022
Thursday, September 22, 2022
Saturday, September 17, 2022
所谓加权即重点突出某方面的特性。之所以要加权是因为在一般的成像过程中,组织的各方面特性(如:质子密度、T1值、T2值)均...
Saturday, September 17, 2022
Saturday, September 17, 2022
Thursday, September 22, 2022
透过被照体的X线照射到平板探测器的非晶硒层时,由于非晶硒的导电特性被激发出电子-空穴对,即一对正负电子。该电子-空穴对在...
Thursday, September 22, 2022
Thursday, September 22, 2022
Tuesday, August 9, 2022
Wednesday, September 21, 2022
Saturday, September 17, 2022
Thursday, September 22, 2022
Tuesday, September 20, 2022
CT扫描时,球管旋转数秒后停止,检查床移到下一个扫描层面,重复进行下一次扫描的扫描方式是()...
Thursday, September 22, 2022