00962nam a2200217 k 4500001001500000005001500015008004100030040001900071041001300090049003200103052002200135056001400157082001500171100004800186245020000234260004200434300003100476502007600507653014100583963002000724KDM199427710  20200811134804941210s1994    tjka       CB 000   kor    a011001c0110010 akorbeng0 lEM1179909lEM1179910c2fDP01a572.62b이349ㅅ  a572.62230 a622.622191 a이봉희,g李鳳熙,d1953-0KAC20180419010a석탄의 반응성, 용매 및 온도가 석탄의 액화특성에 미치는 영향=xEffects of coal reactivity, solvents and temperature on direct coal liquefaction characteristics/d이봉희  a대전:b한국과학기술원,c1994  axii,176장:b삽도;c26cm1 a학위논문(박사) --b한국과학기술원:c화학공학과,d1994  a석탄a반응성a용매a온도a액화특성aEFFECTSaCOALaREACTIVITYaSOLVENTSaTEMPERATUREaDIRECTaLIQUEFACTIONaCHARACTERISTICS  a화학공학과