mass spectrometer是什么意思

双语用例

• The development of the mass spectrometer allowed the exact mass of atoms to be measured.

• Subsequently, one or more chromatographic separations are applied to resolve resulting peptides, which are then ionized and analyzed in a mass spectrometer.

• The mass spectrometer was a new tool for examining the structures of small botanical molecules.

• This will produce a set of peptides that can be analysed using a mass spectrometer.

• This method employed devices known as calutrons, a hybrid of the standard laboratory mass spectrometer and cyclotron.

• It was speculations about isotopy that directly gave rise to the building of a mass spectrometer capable of separating the isotopes of the chemical elements.

• The mass spectrometer does this by breaking each molecule into ionized fragments and detecting these fragments using their mass-to-charge ratio.

• These salts are not volatile, so this technique is less useful with a mass spectrometer as the detector.