
DETERMINATION OF ~(15) N ABUNDANCE IN BIOTIC SAMPLES BY MASS SPECTROMETER WITH SINGLE WAY AND THREE BEAMS
Sun Deling\ Cao Yacheng\ Sun Guoqing (Institute of Soil Science, Academia Sinica Centre of Soil and Environment Analysis Nanjing\ 210008)
Journal of Nuclear Agricultural Sciences ›› 1999, Vol. 13 ›› Issue (05) : 285-290.
DETERMINATION OF ~(15) N ABUNDANCE IN BIOTIC SAMPLES BY MASS SPECTROMETER WITH SINGLE WAY AND THREE BEAMS
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