00808nam a2200217 c 4500001001300000005001500013007000300028008004100031041001300072049003200085052001700117056001400134082001600148245013900164260003700303300004300340502010700383504003000490546002500520700004500545KDM20102260520200827074053ta100628s2010    ulkad    m AY 000   kor  0 akorbeng0 lEM4808721lEM4808722c2fDP01a551.11b10-4  a551.112501a621.81122100a전면 타공을 갖는 합성수지의 흡음성능 고찰 =xStudy on sound absorption performance of perforated panels /d朴珍圭  a서울 :b弘益大學校,c2010  avii, 121장 :b삽화, 도표 ;c26 cm1 a학위논문(박사) --b弘益大學校 大學院,c機械工學科 動力學 및 制御專攻,d2010  a참고문헌: 장 111-118  a영어 요약 있음1 a박진규,g朴珍圭0KAC2020F00234aut