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neptunium
释义
neptunium
Encyclopedia
理学
放射性元素
释
neptunium
镎
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。
Physics
neptunium
镎
93Np
Astronomy
neptunium
缩写:Np。镎
Chemistry
>放射化学与辐射化学>放射性元素化学>释义
neptunium
镎
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non-regular working hours
non-r.e. language
non-relational database
nonrelativistic compton scattering
nonrelativistic continuity equation
non-relativistic cosmology
non-relativistic degeneracy
non-relativistic limit
non relativistic limit of Dirac equation
non-relativistic limit of Dirac equation
nonrelativistic limit of Dirac equation
non-relativistic model
non-relativistic particle
nonrelativistic quantum electrodynamics
non-relativistic universe
non-relativistic zone
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non-removable discontinuity
non-removable singularity
non-renewable energy
nonrenewable energy
non renewable energy source
non-renewable energy source
nonrenewable energy source
nonrenewable resource
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