Lead: Metallic chemical element, chemical symbol PB, atomic number 82.

Potassium: Chemical element , one of the alkali metals, chemical symbol K, atomic number 19.

钾: 一种碱金属化学元素, 化学符号k, 原子序数19.

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Iron: Metallic chemical element, one of the transition elements, chemical symbol Fe, atomic number 26.

铁: 金属化学元素, 为过渡元素的一种, 化学符号Fe, 原子序数26.

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Tungsten ( or wolfram ) : Metallic chemical element, of the transition elements, chemical symbol W, atomic number 74.

钨: 金属化学元素, 过渡元素之一, 化学符号w, 原子序数74.

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Strontium Chemical element, one of the alkaline earth metals, chemical symbol Sr, atomic number 38.

化学元素,碱土金属之一, 化学符号sr, 原子序数38.

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Iridium: Metallic chemical element, one of the transition elements, chemical symbol Ir, atomic number 77.

铱: 金属化学元素, 为过渡元素的一种, 化学符号Ir, 原子序数77.

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Nitrogen: Gaseous chemical element, chemical symbol N, atomic number 7.

氮: 气态化学元素, 化学符号N, 原子序数7.

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Hydrogen: Lightest chemical element, chemical symbol H, atomic number 1.

氢: 一种轻的化学元素, 化学符号H, 原子序数1.

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All elements is a substance all of whose atoms have the same atomic number.

原子是一种其所有原子的原子序都相同的物质.

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R is a reference referring to effective atomic number directly.

R是与有效原子序数直接相关的量.

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Nickel Metallic chemical element, one of the transition elements, chemical symbol Ni, atomic number 28.

金属化学元素, 过渡元素之一, 化学符号ni, 原子序数28.

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The electron range increases with decreasing atomic number and increasing incident beam energy E 0.

电子射程随着原子序数的减少和入射束能量E0的增加而增加.

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The atomic number appears as a subscript.

把原子系数标在左下角.

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No change in atomic number is possible without a radical change in properties.

性质不发生根本的改变,原子序数的改变是不可能的.

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The filter is constructed as a sandwich from three materials of different atomic number.

屏蔽物由不同原子序数的三种物质的夹层组成.

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Atomic physics ( or atom physics ) is physics of the electron hull of atoms.

原子物理学是原子中电子云的物理学.

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The beginning of atomic physics is marked by the discovery and scrutinious study of spectral lines.

谱线的发现和深入研究标志着原子物理学的开端.

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The theory to promote the development of atomic physics have made a major contribution.

该理论为促进亚原子物理学的发展做出了重大贡献.

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There has been a tremendous growth in atomic physics.

原子物理已经有了极大的发展.

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But will it help us understand QED and atomic physics any better?

但是,这一点真的能够更好的帮助我们理解QED和 原子物理 吗 ?

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The word'shell " is used extensively in the terminology of atomic physics.

在原子物理学的术语中, “ 壳层 ” 一词是经常使用的.

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