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单词 θ69037
释义
the world > matter > chemistry > elements and compounds > metals > specific elements > phosphorus > [adjective] > made active as a phosphor (1)
thallium-activated1956

attributive and in other combinations, as thallium alloy, thallium spectrum; thallium-activated adj. containing a small amount of added thallium so…

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更新时间:2025/1/24 13:17:34