atomic number中文什么意思

【化学】原子序数。

• atomic:    adj. 1.原子的。 2.极微的。 ...
• number:    n. 1.数；数字；〔pl.〕算术。 ...
• number, atomic:    原子序数

例句与用法

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1. The atomic number appears as a subscript .
   把原子系数标在左下角。
2. 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。
3. 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。
4. The electron range increases with decreasing atomic number and increasing incident beam energy e0 .
   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。
5. The atomic number represents the number of nuclear protons or, in the undisturbed state, the number of extranuclear electrons .
   原子序数表示原子核内质子的数目，也是在未被干扰的状态下核外的电子数。

英文释义

名词

1. the order of an element in Mendeleyev''s table of the elements; equal to the number of protons in the nucleus or electrons in the neutral state of an atom of an element

百科释义

In chemistry and physics, the atomic number (also known as the proton number) is the number of protons found in the nucleus of an atom and therefore identical to the charge number of the nucleus. It is conventionally represented by the symbol Z.