发明授权
US5291017A Ion trap mass spectrometer method and apparatus for improved sensitivity 失效
离子阱质谱仪方法和设备提高灵敏度

Ion trap mass spectrometer method and apparatus for improved sensitivity
摘要:
An ion trap mass spectrometer system providing superposition of an AC dipole and/or monopole field on the quadrupole field to provide one preferential ejection direction.
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