Sunday, September 18, 2022
问题:关于PCM乳腺X线摄影系统特点的叙述,错误的是( )。...
Thursday, September 22, 2022
Thursday, September 22, 2022
Sunday, September 18, 2022
问题:单选题照片中整幅图像显示小的点状密度组成,由物理测定值判断,称为( )。A 粒状物B 颗粒C 斑点D 噪声E 颗粒度...
Thursday, December 1, 2022
问题:下列X线与物质相互作用形式中,哪一种作用形式不产生电离过程?( )...
Thursday, September 22, 2022
Thursday, September 22, 2022
问题:为便于比较各种防护材料的屏蔽性能,通常以下列哪项为参照物?( )...
Sunday, September 18, 2022
问题:在X线信息影像传递的第一阶段中,其质与量取决于X线的直接因素是( )。...
Friday, September 16, 2022
问题:单选题影响电离辐射生物效应中,与电离辐射有关的因素不包括( )。A 照射部位B 照射面积C 机体种系D 辐射种类E 照射方式...
Saturday, December 30, 2023
Thursday, September 22, 2022
问题:单选题非晶硒与碘化铯探测器的本质区别在于( )。A 信号输出方式不同B 图像重建方法不同C 量子检测效率不同D 光电转换方式不同E 厚度不同...
Sunday, October 2, 2022
Thursday, September 22, 2022
问题:影响电离辐射生物效应中,与电离辐射有关的因素不包括( )。...
Thursday, September 22, 2022
Saturday, September 17, 2022
Saturday, September 17, 2022
Thursday, September 22, 2022
Thursday, September 22, 2022