01022nam a2200241 c 4500001001300000005001500013008004100028041001300069049003400082052001600116056001400132082001400146245017300160260003600333300003400369502010500403504002900508590003000537650004000567650003600607653008400643700005300727KDM20060550420201026140123060209s2004    ulka       AK 000   kor  0 akorbeng0 lEM3510161lEM3510162c複fDP01a521.55b6-2  a521.55240 a631.322100a地熱-히트펌프를 이용한 溫室用 冷煖房시스템 開發=xDevelopment of a cooling and heating system using geothermal heat pump for greenhouse/d李龍範  a서울:b서울大學校,c2004  axvii, 168 p.:b삽화;c26 cm1 a학위논문(박사) --b서울大學校 大學院,c生物資源科學部 農業機械專攻,d2004  a참고문헌: p. 152-163  y열람용은 복사본임 8a농기구[農機具]0KSH1998026721 8a열펌프[熱--]0KSH1998015338  a대체에너지a성능계수a열교환시스템aSLINKY형aSPIRAL형a오이1 a이용범,g李龍範,d1961-0KAC2020D99094aut