deliberate 发表于 2025-3-21 17:29:49
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Microwave Spectroscopes,aseous work are described first, and in these the energy level splittings which give rise to the absorption spectra, are produced by the rotational motion of the molecule. The resonance frequencies are therefore unaffected by external fields, to a first approximation, and the essential experimentalopportune 发表于 2025-3-22 02:31:59
Results and Theory of Gaseous Spectroscopy,ole that interacts with the microwave field, the energy states giving rise to the transitions are molecular states and levels, not those associated with just one atom. Molecular spectroscopy covers a wide range of frequencies, since moments of inertia and other molecular parameters vary by several o炸坏 发表于 2025-3-22 05:35:16
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Ferromagnetic Resonance, free Radicals, and F-Centres,cluded ions located in a crystalline lattice and gas molecules existing in certain definite energy states. In most cases normal theoretical treatment was found to give a good explanation of the experimental results, although the paramagnetic resonance measurements sometimes modified the energy-level谆谆教诲 发表于 2025-3-22 15:44:51
Radiofrequency Spectroscopy,ed is equal to one quantum of the incident radiation—but the energy of quanta at these frequencies is very small, and is only about a ten-millionth of an electron volt. The small splittings necessary to produce absorption in the radiofrequency region are those normally associated with the hyperfineanatomical 发表于 2025-3-22 20:00:14
Applications of Radiofrequency and Microwave Spectroscopy,f various kinds, and correlated with other branches of research in physics and chemistry. Some of the applications have already become clear in the preceding chapters, especially those associated with the evaluation of fundamental physical and chemical data, such as the determination of nuclear spin涂掉 发表于 2025-3-22 21:28:32
Book 19551st editiond chemistry, it was thought that a general outline of the subject for non-specialists might be of some value. Research in this field is still expanding, but is now sufficiently developed for a critical review to be made both of its main applications and of the techniques that are used in this wavelevisual-cortex 发表于 2025-3-23 01:49:44
physics and chemistry, it was thought that a general outline of the subject for non-specialists might be of some value. Research in this field is still expanding, but is now sufficiently developed for a critical review to be made both of its main applications and of the techniques that are used in tlibertine 发表于 2025-3-23 09:12:26
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