发炎
发表于 2025-3-26 21:05:51
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柏树
发表于 2025-3-27 01:19:43
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丑恶
发表于 2025-3-27 06:50:23
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阶层
发表于 2025-3-27 12:15:12
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NICHE
发表于 2025-3-27 15:19:26
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玛瑙
发表于 2025-3-27 21:01:30
https://doi.org/10.1007/978-3-662-43027-9ity ions and/or centers. We sketch the historical evolution of this discipline and outline recent developments based largely on relatively new laser spectroscopic techniques. These experimental methods have allowed us to suppress inhomogeneous features of the optical spectra of crystalline and disor
coltish
发表于 2025-3-28 00:16:57
https://doi.org/10.1007/978-3-662-43027-9 activator ions, it is especially interesting to consider the Cr. ion. This ion is not only a structural probe but also a nucleating agent which generates nanocrystallites and microcrystallites inside the vitreous phase so that it gives us the possibility to follow the evolution of the structure fro
分期付款
发表于 2025-3-28 03:48:09
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有帮助
发表于 2025-3-28 07:46:39
,Funktionen einer reellen Veränderlichen,show dilation symmetry implying that the essential geometric features are invariant to scale changes such as magnification factors. Theoretical background and experimental methods for studying fractal structure such as low-angle neutron and X-ray scattering, adsorption and energy transfer between do
帐单
发表于 2025-3-28 12:36:22
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