Rahul Midha

radiology x ray film production of x rays radiography speed density optical amplification of curve cheseny curve image contrast exposure speck h and d curve x ray curve sensitvity auto transformer auto step up voltage converter circuit ray x generator transformer radiology information by r midha r midha by information units shield dose radition area lead apron barrier alara sievert rem rad radition unit filmbadge tld protection radition processing image image processing film processing layout wet side dry side safe light dark room room dark xraytube history of x ray production x ray generation generation nuclear medicine ultrasound mri ct