一种元素中原子的平均重量,通常相对碳2的重量来表示,碳2的重量定为十二个原子量单位。
The average mass of an atom of an element, usually expressed relative to the mass of carbon 2, which is assigned 2 atomic mass units.
一种元素中原子的平均重量,通常相对碳12的重量来表示,碳12的重量定为十二个原子量单位。
The average mass of an atom of an element, usually expressed relative to the mass of carbon 12, which is assigned 12 atomic mass units.
分子量用与原子量相同的单位来表示。
Molecular weights are expressed in the same units as atomic weights.
分子量用与原子量相同的单位来表示。
Molecular weights are expressed in the same units as atomic weights.
应用推荐