00880nam a2200205 c 4500001001300000005001500013008004100028041001300069049003200082052001600114056001300130082001700143245020000160260003600360300004100396502012700437504002900564650003600593700004500629KDM20066520420200814130833061113s2006    tjkad      MB 000   kor  0 akorbeng0 lEM3752498lEM3752499c2fDP01a553.1b6-18  a553.1240 a621.402222100a천연냉매와 직교류 열교환기를 사용한 열펌프의 성능에 관한 연구=x(A)study on performance of heat pump using natural refrigerant and cross flow heat exchanger/d朴東成  a대전:b忠南大學校,c2006  axiv, 175 p.:b삽화, 도표;c26 cm1 a학위논문(박사) --b忠南大學校 大學院,c機械設計工學科 生産加工, 制御 및 熱流體專攻,d2006  a참고문헌: p. 168-172 8a열펌프[熱--]0KSH19980153381 a박동성,g朴東成0KAC2020D76404aut