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发表于 2025-3-28 22:23:55
Alon Rimmer,Ami Nishrimages. The backscattered electron coefficient ( ? ) increases with increasing atomic number of the specimen, whereas the secondary electron coefficient ( ? ) is relatively insensitive to atomic number. This fun978-1-4419-4674-4978-0-387-85731-2
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发表于 2025-3-28 23:16:03
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量被毁坏
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Outshine
发表于 2025-3-29 22:13:13
Late Quaternary Limnological History site). The lake reached its highest stand of ~ 160 m below mean sea level during the last glacial maximum (~ 27–24 ka BP) and merged with Lake Lisan. At 24–23 ka BP, it declined below the modern level during the Heinrich (H2) event. Sr/Ca concentration and .Sr/.Sr isotope ratios in modern lake wate
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发表于 2025-3-30 03:43:00
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发表于 2025-3-30 06:29:39
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