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hard base
硬碱
作为电子对给体的路易斯碱,若给出电子对的原子电负性高、可极化性低、半径较小,该原子对外层电子吸引力强,称为硬碱。如OH-、F-、NH3、,、CH3COO-、等。
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hard base
硬碱
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Nehru's industrial policy
neighbor
neighbor diplomacy
neighbor effect
Neighborhood
neighborhood
neighborhood axiom
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neighborhood basis
neighborhood basis of a point
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Neighborhood Garden
neighborhood of a point
neighborhood of a set
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