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Encyclopedia
理学
放射性元素
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mendelevium
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人工放射性元素,元素符号Md,原子序数101,半衰期最长的同位素质量数258。属周期系ⅢB族,锕系元素。为纪念元素周期律的创始人、俄国科学家D.I.门捷列夫[注]而命名。
Astronomy
全称:mendelevium。缩写:Md
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Chemistry
>放射化学与辐射化学>放射性元素化学>释义
mendelevium
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photographic developer
photographic effect
photographic emulsion
Photographic Encyclopedia of Traditional Beijing Opera Costumes
photographic ephemeris
photographic exposure
photographic film
photographic filter
photographic filter socket
photographic filter thread diameter
photographic flying automatic control system
photographic fog
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photographic instrument
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photographic latent image
photographic layer
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photographic lenses
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photographic lighting
photographic magnetograph
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photographic material
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