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1. X-�꽑 �븘由꾩쓽 媛먮룄痢≪젙踰�( Sensitometry of X-ray film)
媛먮룄痢≪젙踰뺤�� 19�꽭湲� 留� hurter ��� driffield�씪�뒗 �몢 紐낆쓽 誘멸뎅�씤�뿉 �쓽�빐�꽌 泥섏쓬�쑝濡� 媛먭킅�옱猷뚯뿉 ����븳 �꽦�뒫�룊媛��쓽 諛⑸쾿�쑝濡� �젣�븞�릺�뿀�떎.
Sensitometry �쓽 �뼱�썝��� sensitivity(媛먮룄)��� metry(痢≪젙)媛� 寃고빀�맂 �슜�뼱濡쒖뜥 媛먮룄 痢≪젙�쓽 �쑜�씠 �맂�떎. �쁺�긽遺꾩빞�뿉�꽌 �궗�슜�븷 寃쎌슦�뿉 �젙�솗�븳 �몴�쁽�쑝濡� �궗吏� 媛먭킅�옱猷뚯쓽 媛먮룄痢≪젙�씠�씪怨� �븷 寃껋씠�굹, 蹂댄넻 �씠寃껋쓣 媛꾨떒�븯寃� 媛먮룄 痢≪젙踰뺤쑝濡� 遺�瑜닿퀬 �엳�떎.
2. 媛먮룄 痢≪젙踰뺤쓽 �씠�슜
�몺�븘由꾩쓽 �궗吏꾪듅�꽦�쓽 痢≪젙
�몼�쁽�긽泥섎━議곌굔�쓽 �꽦�뒫痢≪젙
�몾�옄�룞�쁽�긽湲곗쓽 泥섎━ �꽦�뒫�쓽 痢≪젙(�옄�룞�쁽�긽湲곗쓽 �쁽�긽泥섎━�븸 愿�由�
�몿利앷컧吏��쓽 媛먮룄 痢≪젙
�뫀湲고��(�쉶�궗�쓽 �븘由� �뿰援ъ슜, 蹂대떎 �굹��� �븘由꾩젣議곕�� �쐞�빐)
3. 媛먮룄 痢≪젙踰뺤쓽 怨쇱젙
�몺 �끂異�
�몼 �쁽�긽泥섎━
�몾 �냽�룄痢≪젙
�몿 �듅�꽦 怨≪꽑�쓽 �옉�꽦
4. �듅�꽦怨≪꽑(Characterisitic curve)
�궗吏� 媛먭킅 �옱猷뚯뿉�꽌�쓽 �끂愿묐웾(�쑓�뀎畑�)怨� �냽�룄�쓽 愿�怨꾨�� 洹몃┛ 洹몃옒�봽濡�, �궗吏� 媛먭킅�옱猷뚯쓽 媛먮룄, �깋議�(tone竊쎿삇�슅�쉸沃�)��� 愿��슜�룄(野у�뱄쮤竊쌾atitude) �벑�쓽 �궗吏꾩쟻 �듅�꽦�쓣 �굹����궡�뒗 怨≪꽑.
H-D怨≪꽑�씠�씪�뒗 紐낆묶��� �뿀�꽣(Hurter)��� �뱶由ы븘�뱶(Driffield)媛� 泥섏쓬�쑝濡� �젣李쏀븯�뿬 �쑀�옒�븳 寃껋쑝濡�, �듅�꽦怨≪꽑쨌�냽�룄怨≪꽑쨌�쓳�솕怨≪꽑(容묈뙑�쎊渶�)�씠�씪怨좊룄 �븳�떎. H-D怨≪꽑��� 媛�濡쒖텞�뿉�뒗 �끂愿묐웾 �쓽 濡쒓렇瑜�, �꽭濡쒖텞�뿉�뒗 �쁽�긽�쓽 寃곌낵 �뼸�뼱吏��뒗 �냽�룄 (�궗吏꾨냽�룄, 愿묓븰�냽�룄)瑜� 媛숈�� �겕湲곗쓽 �늿湲덉쑝濡� �굹����궦 怨≪꽑�씠�떎. H-D怨≪꽑��� 媛먮룄媛� �넂�쓣�닔濡� �끂愿묐웾 媛� �옉��� 履�(�쇊�렪)�쑝濡� 移섏슦爾� �쐞移섑븯硫�, 寃쎌“(簾цた竊쌺igh contrast)�씪�닔濡� �넂�씠 �넖��� 瑗대줈 �릺�뼱 湲곗슱湲곌�� �겕�떎. �삉 �씠 怨≪꽑�뿉�꽌, �쇊�렪�쓽 �븘�옒履� 遺��쐞�쓽 �쐞濡� �뼢�빐 �삤紐⑺븳 遺�遺꾩쓣 竊쒕컻竊�, 吏곸꽑瑗� 遺�遺꾩쓣 竊쒖쭅�꽑遺�竊�, �삤瑜명렪 �쐞履쎌쑝濡� 蹂쇰줉�븳 遺�遺꾩쓣 竊쒖넄�씪由ъ젣�씠�뀡遺�竊욌씪 �븳�떎��붽렇由쇈��. 洹몃━怨�, H-D怨≪꽑 媛� 遺�遺꾩쓽 湲곗슱湲� /log瑜� 竊쒓퀎議겸��(�깮�왂)
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