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钋-铍中子源
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钋-铍中子源
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polonium-beryllium neutron source
钋-铍中子源
利用钋-210(210Po)衰变时放出的α粒子去轰击铍(Be)核发生(α,n)核反应,从而放出中子的装置。是α中子源的一种。
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equicentroaffine space
equicharacteristic
equicharacteristic case
equicharacteristic ring
equichordal
equichordal point
equichordal-point problem
equicofactor
equicomplementable figures
equiconcave
equiconcave lens
equiconjugate
equiconjugate diameter
equiconsistent axiom system
equicontinuity
equicontinuous
equicontinuous basis
equicontinuous convergence
equicontinuous family
equicontinuous semigroup
equicontinuous sequence
equicontinuous set
equiconvergence
equiconvergence theorem
equiconvergent
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