IVORY
发表于 2025-3-30 10:25:57
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itinerary
发表于 2025-3-30 15:23:53
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不整齐
发表于 2025-3-30 17:28:44
Negative-Ion Sputtering of Tungsten Bombarded with Alkali Metal Ions,desired purity of cold-irradiated surfaces is never achieved in the course of cathodic sputtering, owing to the occurrence of adsorption as well as the penetration of the primary ions. Hence some of the power of the ion beam is used up in ejecting contaminant atoms introduced both by the prinary-ion
Barrister
发表于 2025-3-31 00:42:18
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使激动
发表于 2025-3-31 01:23:31
Secondary Emission of Negative Particles from NiCr and CuBe Alloys,es has for a long time remained without proper consideration. It was established earlier that the secondary emission of negative particles comprises electrons with a soft energy spectrum and negative ions with a hard spectrum, extending to several tens of electron volts. The secondary emission m
Graphite
发表于 2025-3-31 06:04:48
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Cleave
发表于 2025-3-31 11:18:46
On the Isotopic Effect Associated with Kinetic Ion-Electron Emission, emission of electrons from a solid may occur as a result of either the potential or the kinetic energy of the incident particles. The kinetic emission of electrons has been insufficiently studied. Up to the present time there has been no concerted opinion as to the way in which the nature of the in
诙谐
发表于 2025-3-31 16:46:28
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unstable-angina
发表于 2025-3-31 18:04:39
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Hot-Flash
发表于 2025-3-31 22:58:40
Adhesion (Binding) of Adsorbed Atoms in the Ion Bombardment of Clean Surfaces,e electrically charged and possess an energy far higher than the thermal energy. The first of these factors is not particularly important for studying sorption processes, since the ion is neutralized before falling on the solid surface . Far more important is the second property, in view of the f