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

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

The atomic number appears as a subscript.

把原子系数标在左下角.

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.

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.

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.

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.

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.

There has been a tremendous growth in atomic physics.

原子物理已经有了极大的发展.

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 ?

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.

Faith in controlled nuclear fission is now being shown by the construction of atomic power stations.

现在原子能电站的建造,显示了对受控核裂变的信心.