nuclear electric quadrupole moment
nuclear electric quadrupole moment resonance spectroscopy
quadrupole mass-spectrometer
Quadrupole mass spectrum
quadrupole mass spectrometry
Quadrupole mass spectrometer QMS
Quadrupole Mass Spectrometer Array
quadrupole mass spectrometer analysis
quadrupole mass spectrometer
四极质谱仪
四极质谱分析器
四极质谱计
四极质谱
四极杆质谱仪
quadrupole mass analyzer