01024nam a2200217 c 4500001001500000005001500015008004100030040001900071049001700090052002300107056001300130082002000143100003600163245021800199260003600417300002900453502009300482653018700575900002700762963001700789KDM199818329  19980921155401980921s1998    ulka       AK 000   eng    a011001c0110010 lWM249136fDM02a630.2430858bC545i  a521.3240 a630.24308582211 a최우정,d1972-0KAC20150641510aIonic composition of groundwater as affected by land-use type and elucidation of nitrate pollution source=x토지이용 방식에 따른 지하수의 이온 조성 및 질산태질소 오염원 규명/d최우정  a서울:b서울대학교,c1998  a49 leaves:bill.;c26 cm0 a학위논문(석사) --bGraduate School Seoul National University:c農化學科,d1998  aIONICaCOMPOSITIONaGROUNDWATERaAFFECTEDaLANDUSEaTYPEaELUCIDATIONaNITRATEaPOLLUTIONaSOURCEa토지이용a방식a지하수a이온a조성a질산태질소a오염원a규명10aChoi, Woo-jung,d1972-  a농화학과