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bohrium
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bohrium
Encyclopedia
理学
放射性元素
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bohrium
𬭛
人工放射性元素,元素符号Bh,原子序数107,半衰期最长的同位素的质量数270。属周期系ⅦB族。为纪念丹麦物理学家N.玻尔[注]而命名的。曾被称为107号元素(unnilseptium),符号Uns。
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inner core
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inner derivation
inner derivative
inner design
inner dialogue
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inner ear
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inner factor
inner faculty
inner filtering effect
inner flow lake
inner form
inner function
inner glume
inner groove wheel type seed metering device
inner halo
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