01464nam a2200265 c 4500001001300000005001500013008004100028040001100069041001300080052003100093245022400124300002300348545005500371545005500426545005500481653037400536700004100910700001400951700001400965773014600979856002001125900001801145900001801163900001701181KSI00023979320040714103452040623s1999    ulk           000   kor    a0110010 akorbeng01a530.7505b한519ㅂc19(5)00aFilm radiography에서 농도차를 이용한 정량적 두께 평가에 관한 연구=x(A)study on quantitative thickness evaluation using film density variation in film radiography/d이성식,e이정기,e김영환  ap. 356-362;c26 cm  a이성식, 대한검사기술(주) 부설연구소  a이정기, 대한검사기술(주) 부설연구소  a김영환, 대한검사기술(주) 부설연구소  a필름특성곡선a연속 X-선aR-선a농도-두께 관계식a필름 그래디언트a유효 선흡수계수a두께 평가aThe characteristic curve of a radiographic filmaPolychromatic X-rayaγ-rayaFilm density-thickness relationaFilm gradientaEffective linear absorption coefficientaThickness evaluationaFilm radiographya농도차aFilm density variation1 a이성식,d1966-0KAC2018G25984aut1 a이정기1 a김영환0 t비파괴검사학회지.d韓國非破壞檢査學會.g제19권 5호(1999년 10월), p. 356-362q19:5<356w(011001)KSE199508510,x1225-784240u1989840aKd00210aLee, Sung Sik10aLee, Jeong Ki10aKim, Young H