00881nam a2200241 c 4500001001500000005001500015008004100030040001900071041001300090049003000103052002100133056001300154082001400167100004800181245011100229260003600340300003000376502008000406653007500486950002100561963002000582965003700602KDM199111148  19941011230258910920s1991    hbka       LA 000   kor    a011001c0110010 akorbeng0 lEM834383lEM834384c2fDM01a543.6b백977ㅈ  a543.6230 a693.52191 a백용관,g白鏞官,d1959-0KAC20184394310a磁鐵鑛 骨材를 利用하는 重量콘크리트의 放射線 遮蔽性狀에 관한 硏究/d白鏞官  a청주:b淸州大學校,c1991  aiii,46장:b삽도;c26cm0 a학위논문(석사) --b淸州大學校 大學院:c建築工學科,d1991  a자철광a골재a이용하a중량콘크리트a방사a차폐성상1 a비매품b\2300  a건축공학과  a건축구조역학x콘크리트