01218nam a2200265 c 4500001001300000005001500013007000300028008004100031041001300072049003200085052001600117056001300133082001500146245021600161260004500377300003500422502013600457504003000593546002500623700005300648880015300701880005200854880002900906900001700935KDM20150189520200730124857ta141229s2014    ulka     m AT 000   kor  0 akorbeng0 lEM6067960lEM6067961c2fDP01a551.1b15-6  a551.12601a621.81223006880-01a폴리에틸렌 가스배관 맞대기 융착부의 결함이 건전성에 미치는 영향에 대한 연구 =xEffect of defects in butt fusion welding on integrity of polyethylene gas pipe /d吉聲喜  6880-02a서울 :b中央大學校,c2014  axvi, 174장 :b삽화 ;c26 cm1 a학위논문(박사) --b中央大學校 大學院,c機械工學部 應用力學/材料學專攻,d2014g(지도교수: 윤기봉)  a참고문헌: 장 164-170  a영어 요약 있음1 6880-03a길성희,g吉聲喜0KAC2018G44834aut006245-01/(BaPolyethylene gas-bae-gwan mat-dae-gi yung-chak-bu-ui gyeol-ha-mi geon-jeon-seong-e mi-chi-neun yeong-hyang-e de-han yeon-gu /dGilSeonghu  6260-02/(BaSeoul :bJung-ang-dae-hak-gyo,c20141 6700-03/(BaGil, Seonghui10aGil, Sunghee