問題詳情

56 何種 X 光機使用的管球有自體整流(self-rectification)的功能?
(A)一般攝影
(B)乳房攝影
(C)牙科用
(D)血管攝影

參考答案

答案:C
難度:適中0.533333
統計:A(4),B(2),C(8),D(0),E(0)

用户評論

Steven Huang】評論

出處:放射科學-放射師必知的物理、生物和防護(Radiologic Science for Technologists Physics,Biology,and Protection 9/E) p.112在某些移動式與牙科X光成像系統,X光管可作為真空管整流器。這樣的系統稱為自我整流( self-rectified),造成其最終波形與半波整流相同。https://www.elprocus.com/wp-content/uploads/2016/04/Half-wave-rectifier-working.jpg出處:Radiologic Science for Technologists Physics,Biology,and Protection 10/e p.96In some portable and dental x-ray imaging systems, the x-ray tube serves as the vacuum tube rectifier.Such a system is said to be self-rectified, and the resulting waveform is the ...