怕跛行他有限 发表于 2025-3-21 19:51:21

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terazosin 发表于 2025-3-21 20:45:17

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Mnemonics 发表于 2025-3-22 02:01:55

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牌带来 发表于 2025-3-22 07:03:40

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aviator 发表于 2025-3-22 09:47:58

The Origin of Cosmic Rays,ause one believes that by explaining the mechanisms of their origin a better understanding of the implied astrophysical phenomena may be reached. Following the discovery, in 1948, of the presence of practically all atomic elements in the arriving radiation, the establishment of the synchrotron natur

anticipate 发表于 2025-3-22 15:47:10

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anticipate 发表于 2025-3-22 19:25:12

10 Leren hanteren van agressie, those times were the gamma rays from radioactive substances. Indeed, the mean free path of gamma ray photons emitted by these substances in air were hundreds of metres, while beta rays of similar energies had ranges of a few metres only, and the ranges of alpha particles were even shorter.

值得赞赏 发表于 2025-3-22 22:58:07

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行业 发表于 2025-3-23 03:13:06

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tariff 发表于 2025-3-23 07:32:07

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查看完整版本: Titlebook: Celestial Messengers; Cosmic Rays: The Sto Mario Bertolotti Book 2013 Springer-Verlag Berlin Heidelberg 2013 astroparticles.astroparticles.