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niobium
释义
niobium
Encyclopedia
工学
铌
释
niobium
铌
化学元素,元素符号Nb,原子序数41,原子量92.9064,属周期系VB族。
理学
铌
释
niobium
铌
化学元素,元素符号Nb,原子序数41,原子量92.90637(2),属周期系ⅤB族。
Physics
niobium
铌
41Nb
{化}
Astronomy
niobium
缩写:Nb。铌
Chemistry
>无机化学>无机化学基本概念与无机化合物>释义
niobium
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reduction oxidation process
reduction-oxidation reaction
reduction parameter
reduction period of electric furnace steelmaking
reduction potential
reduction principle
reduction principle for the computably enumerable sets
reduction process
reduction ratio
reduction reaction
reduction smelting
reduction strategy
reduction system
reduction techniques of powders
reduction theorem
reduction theory
reduction theory [of von Neumann algebra]
reduction theory of von Neumann algebra
reduction to absurdity
reduction to a common denominator
reduction to a horizontal plane of magnetic anomaly
reduction to arithmetic
reduction to canonical form
reduction to centering
reduction to sea-level
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