The New Encyclopædia Britannica: L-ZEncyclopædia Britannica, 1992 - 32 pages |
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Page 554
... frequency resolving power in the infrared region is a great deal lower than in the microwave regions at present ; on the other hand , nonpolar ( uniform - charge distribution ) molecules can be studied . Raman spectroscopy . Raman ...
... frequency resolving power in the infrared region is a great deal lower than in the microwave regions at present ; on the other hand , nonpolar ( uniform - charge distribution ) molecules can be studied . Raman spectroscopy . Raman ...
Page 560
... frequency of about 1,058 megahertz ) is now known as the Lamb shift . Radio - frequency measurements of intervals in ground levels and excited levels of atoms can be made by placing a sample of atoms ( usually a vapour in a glass cell ) ...
... frequency of about 1,058 megahertz ) is now known as the Lamb shift . Radio - frequency measurements of intervals in ground levels and excited levels of atoms can be made by placing a sample of atoms ( usually a vapour in a glass cell ) ...
Page 577
... frequency mass spectrometer . A magnetic field is in a direction perpendicular to the plane of the diagram . radio- frequency generator Positive ions are produced by a stream of electrons mov- ing along the direction of the magnetic ...
... frequency mass spectrometer . A magnetic field is in a direction perpendicular to the plane of the diagram . radio- frequency generator Positive ions are produced by a stream of electrons mov- ing along the direction of the magnetic ...
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