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放射性元素
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francium
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天然放射性元素,元素符号Fr,原子序数87,半衰期最长的同位素的质量数223,属周期系ⅠA族,碱金属元素。为纪念发现者M.佩雷[注]的祖国法国(France)而命名。
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francium
缩写:Fr。钫
Chemistry
>放射化学与辐射化学>放射性元素化学>释义
francium
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Markov process
Markov process associated to Dirichlet form
Markov processes
markov processes method
Markov process transform
Markov programming
Markov property
Markov quadrature formula
Markov random field
Markov random fields
Markov renewal
Markov renewal process
Markov repairable model
Markov semigroup
Markov sequence
Markov shift
Markov source
Markov spectrum
Markov spectrum problem
Markov statistical mechanics
Markov strategy
Markov subshift
Markov system
Markov theorem
Markov time
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