THE APPLICATION OF ISOTOPES 15N AND 18O IN NO-3 TECHNIQUE IN THE STUDY ON NITROGEN CONTAMINATION TO GROUNDWATER IN KARST AREA-A Case Study on the High Incident Region of Esophagus Cancer in Linzhou, Henan, China
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Publication Date:2004-01-01
Online Publishing Date:2025-08-15(First online date of this platform, not the publication date of the document)
Pages:7( 206-212 )
CARSOLOGICA SINICA

CARSOLOGICA SINICA

PKUISTIC
ISSN:1001-4810
Year, Vol.(Issue):2004,23(3)