00997nam a2200229 c 4500001001300000005001500013008004100028040001100069041001300080052003000093245015900123300003200282545004700314545004700361653006400408700005300472700004800525773013600573856002100709900001900730900001800749KSI00017699520080418145236031218s2002    bnka          000   kor    a0110010 akorbeng01a539.905b한648ㅎc11(3)00aFlyash를 이용한 블록의 흡음특성에 관한 연구=x(A)study on the characteristics of sound absorption of flyash blocks/d변홍식,e이태관  ap. 235-240:b삽도;c26 cm  a변홍식, 계명대학교 공업화학과  a이태관, 계명대학교 환경과학과  aFlyash blockaSound absorptionaChemical additivesaRecycle1 a변홍식,g邊洪植,d1956-0KAC2016372224aut1 a이태관,g李泰官,d1963-0KAC2013292600 t한국환경과학회지.d한국환경과학회.g11권 3호(2002년 3월), p. 235-240q11:3<235w(011001)KSE199509183,x1225-451740u30095733aKd00010aByun, Hong-Sik10aLee, Taek-Wan