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flerovium
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flerovium
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理学
放射性元素
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flerovium
𫓧
人工放射性元素,元素符号Fl,原子序数114,半衰期最长的同位素的质量数289。属周期系ⅣA族。为纪念俄罗斯杜布纳联合核子研究所的前身弗廖罗夫核反应实验室(Flerov Laboratory of Nuclear Reactions)而命名。曾被称为114号元素(ununquadium),符号Uuq。
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externality
externality of forestry
externality of grassland
externalization
externalizing behavioral problem
external key
external law
external law of composition
external lightning protection device
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external locus of control
external loop
external loop airlift reactor
externally dispersed interferometer
externally inscribed curve
externally modulated optical transmitter
externally prestressed concrete structure
externally-pulsed
externally stable set
externally tangent
external-magnetic wet permanent drum magnetic separator
external mold
external motivation of learning
external negation
external network
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