清唱剧
发表于 2025-3-23 13:23:34
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nauseate
发表于 2025-3-23 15:10:18
https://doi.org/10.1007/978-90-481-3224-9vation of E-V transfer in 1983 [., .]) both experimentally and theoretically (as reviewed in Sect. 4). The main interest of the studies was the very effective E-V transfer especially for Cs halides which leads to intense vibrational luminescence (VL) (see in Fig. 5.3). Even superfluoresence [.] and
Cubicle
发表于 2025-3-23 21:40:29
https://doi.org/10.1007/978-3-030-81993-4noccupied anion site or an anion site occupied by two electrons. Investigation of these centers allows one to study the influence that a change in electron density has on the molecule, thereby simulating the effects occurring during the excitation/relaxation cycle of a F.(CN.). By comparison, a “fee
费解
发表于 2025-3-23 23:48:57
Orthodoxy in Balkan Political Conflictsh the two defects are located on neighboring lattice sites. While the E-V energy transfer cannot be observed directly for F.(OH.) centers by the occurrence of vibrational luminescence (owing to the presence of effective nonradiative channels) and more difficult resonance Raman studies have to be emp
deriver
发表于 2025-3-24 04:12:34
Stephen White,Valentina Feklyuninand suggests that the behavior of an OH. molecular defect shows many similarities to that of an F center. From this viewpoint the quenching of F luminescence in OH.-doped samples can be readily explained by analogy to the well-known quenching of the emission at high F-concentrations.
瘙痒
发表于 2025-3-24 08:41:48
Understanding Enterprise Identity,g materials and are often used as active ions in solid-state lasers. Their most common charge state is the trivalent positive one, which is unfavorable for incorporation into alkali halides. However, Eu., Yb., and Sm. also exist as divalent ions with high enough ionization energies to be stable. The
abstemious
发表于 2025-3-24 13:45:54
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珐琅
发表于 2025-3-24 18:37:10
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FATAL
发表于 2025-3-24 19:35:12
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进取心
发表于 2025-3-25 02:31:51
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