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Encyclopedia
理学
放射性元素
释
neptunium
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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。
Astronomy
全称:neptunium。缩写:Np
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Chemistry
>放射化学与辐射化学>放射性元素化学>释义
neptunium
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随便看
prograde merger
prograde metamorphism
prograde motion
prograde orbit
program
programable logic device
programable logic device, PLD
program abstract
program analysis
program attack
program behavior analysis
program block
program broadcast integrated platform
program checking
program control
Program controlled woodworking machine tool
program correctness
program counter
program counter, PC
program design
program design language
program design language, PDL
program distribution system
programed
programed absorption set
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