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The resonator impedance model of surface roughness in a cylindrical beam tube, derived in Ref. 1, is compared to the inductive impedance model of Ref. 2. It is shown that for long, smooth bunches the two models both give an inductive response, that the eective inductance per length is proportional to the corru-gation depth over the beam pipe radius, and… (More)
1 Abstract Study of conventional coherent instabilities for B-factory upgrade.
The paper describes data on conditions for appearance of a physiologic central retinal scotoma of dark adaptation. Examinations of 80 eyes with normal visual functions have shown that central scotoma of dark adaptation is revealed in conditions of scotopic illumination 20-25 minutes after dark adaptation. The optimal duration of dark adaptation is 40-45… (More)
The optic nerve of the dog has been histologically studied. In the intact nerve 160,000 axons have been revealed. In 3 weeks after the nerve section in the orbit and near the nerve disk 72% retinoencephal fibers, 28% encephaloretinal and 0.23% of centrofugal axons are found.