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放射性元素
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人工放射性元素,元素符号Np,原子序数93,半衰期最长的同位素的质量数237。属周期系ⅢB族,锕系元素。仿照以天王星命名铀的方法,以天王星外面的海王星(Neptune)命名镎。
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93Np
Astronomy
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Chemistry
>放射化学与辐射化学>放射性元素化学>释义
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distribution inventory system
distribution kernel
distribution law
distribution line conductor
distribution line insulator
distribution line pole
distribution list
Distribution Management
distribution map
distribution map of landslide and mud-rock flow
distribution map of nature of the bottom
distribution mode
distribution modulo one
distribution network
distribution network automation technology
distribution network fault current limiter
distribution network of supply chain
distribution network supervisory control and data acquisition
distribution of angles of attack
distribution of animal diseases
distribution of attention
distribution of bankruptcy property
distribution of Buddhism in Chinese historical period
distribution of burden of proof in civil procedure
distribution of Chinese materia medica resources
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