00798nam a2200205 a 4500001001300000005001500013008004100028041001300069049003000082052001900112056001300131082001700144100004800161245016400209260003100373300003900404502009900443504003000542900002000572KDM20066783220200716154352061121s2005    ulkad      AC 000   eng  0 aengbkor0 lWM485166lWM485167c2fDP02a621.4025bJ62s  a553.1240 a621.40252211 a조홍현,g曺弘鉉,d1976-0KAC20142753410aStudy on the performance improvement of a transcritical CO₂heat pump=x이산화탄소를 이용한 열펌프의 성능향상에 관한 연구/dHonghyun Cho  aSeoul:bKorea Univ.,c2005  axxi, 290 p.:bill., charts;c26 cm1 aThesis(Ph.D.) --bGraduate School of the Korea Univ.,cDept. of Mechanical Engineering,d2005.  aBibliography: p. 270-276.10aCho, Hong-hyun.