稀有气体同位素组成
noble gas isotopic compositions
MAT-252气体同位素质谱计
Finnigan MAT 252 gas mass spectrometer
气体同位素比质谱计
Gas isotope ratio mass spectrometer
气体同位素质谱仪
gas isotope mass spectrometer
~(15)N的同位素稀释法
15)N isotopic pool dilution
~(15)N同位素稀释法
15N isotope dilution method
symbioticdinitrogenfixation
15N的同位素稀释法
15N isotopic pool dilution
15N同位素稀释法
15N isotopic dilution
15N isotope dilution technique
Legume
单井同位素稀释
Single well isotope dilution
逆同位素稀释法
reverse isotopic dilution method
逆同位素稀释分析
reverse isotope dilution analysis
气相色谱-同位素稀释质谱法
Gas chromatography-isotopic dilution mass spectrometry
氢同位素稀释法
hydrogen isotope dilution method
热表面电离同位素稀释质谱法(ID-TIMS)
isotope dilution thermal ionization mass spectrometry(ID-TIMS