Month: 2016-09

文章 留言
686545591500879
時間:2016-09-21 20:30
你了解X光嗎?告訴您X光是如何透視人體! X光的成像原理,就是利用物質原子序愈高、X光就愈難穿透,骨骼、軟組織和空氣的主要成份皆不相同,就能在底片上,造成不同灰階的成像!^_^
小編提醒您,影片中提到「X光的能量比可見光高,加馬射線小」是錯誤的,X光和加馬射線兩者的差別,在於來源不同。
https://www.youtube.com/watch?v=gsV7SJDDCY4
超連結 YOUTUBE.COM

How X-rays see through your skin - Ge Wang

View full lesson: http://ed.ted.com/lessons/how-x-rays-see-through-your-skin-ge-wang Originally discovered by accident, X-rays are now used about 100 million...
img:https://scontent-tpe1-1.xx.fbcdn.net/v/t1.18169-9/14358649_10208224831351833_1320007406876159834_n.jpg?stp=cp0_dst-jpg_e15_p130x130_q65&_nc_cat=104&ccb=1-5&_nc_sid=1480c5&_nc_ohc=HjfgbVVxfnYAX8jDs9w&_nc_ht=scontent-tpe1-1.xx&oh=00_AT8yQhwALzf6XYZOSEFGUWSJoPMc7wzwS55Zn3kuJSauYQ&oe=626BD521