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niobium
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工学
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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
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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
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铌
41Nb
{化}
Astronomy
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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
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drawing-in
drawing layer
Drawing Lots from the Golden Urn
drawing machine
drawing-making
drawing member
Drawing Meridian Diagram
Drawing of Artifacts
Drawing of Features
drawing of screw thread
drawing of standard part
drawing of threaded fastener
drawing-room game
Drawings and Descriptions of Official School Buildings
drawings of lecturing
drawing speed
drawing square grid with Chinese unit of length Li
Drawing sword
Drawing Sword Action
drawing texture
drawing tools
drawing without replacement
drawing with replacement
draw in the chest and keep the back straightt
draw loom
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