00513na  a2200169   4500001001300000005001500013008004100028046000900069110003000078368001400108370004800122372004000170377001100210410000800221670006200229670005200291KAB20190477720230526102930190521 b aznnnaabn          fa aaa        q1876  aAmerican Chemical Society  a기업체  e미국(국명)[美國]0KSH19980227002nlsh  a화학[化學]0KSH19980108412nlsh  l영어  aACS  a환경과 생활속의 화학, (자유아카데미), 2006  a네이버 지식백과uhttps://terms.naver.com