1.
atomic weight(also relative atomic mass) ratio between the mass of one atom of an element and one-twelfth of the weight of an atom of carbo
原子量（某元素的一个原子的质量与十二分之一的碳 原子量的比值）.
2.
The Quantitative Relation between Density of Solid Elemental Substance and Atomic Weight、Atomic Radius;
固体单质密度与原子半径和原子量的定量关系
3.
A hydrogen molecule consists of only two hydrogen atoms with the same atomic weight.
氢分子仅由两个原子量相同的氢原子组成。
4.
The molecular weight of a molecule is the sum of the atomic weights of the constituent atoms.
一种分子的分子量就是构成它的原子成分之原子量总和。
5.
the quantity of an element whose weight in grams is numerically equal to the atomic weight of the element.
元素的原子量以克为单位所表示的量。
6.
Electron Orbit and Quantization of Energy in Hydrogen-like Atom;
类氢原子中电子轨道和能量的量子化
7.
The oxygen atom is nearly 16 times as heavy as the hydrogen atom.
氧原子的重量几乎是氢原子的16 倍。
8.
The Quantum Dynamics Calculation of Atom-Polyatomic Reaction Systems;
单原子—多原子分子反应体系的量子动力学计算
9.
The mass of an electron is 1/1850 that of a hydrogen atom.
电子的质量是氢原子质量的1850分之一。
10.
the amount by which the mass of an atomic nucleus is less than the sum of the masses of its constituent particles.
原子核的质量总和比粒子的总质量少。
11.
He applied the concept of quantization of energy to the hydrogen atom.
他把能量量子化的概念用于氢原子。
12.
Direct Mass Measurement for Short-lived Neutron-rich Nuclides;
短寿命丰中子原子核的直接质量测量
13.
A proton or a neutron has about the same mass as a hydrogen atom.
质子或中子的质量和氢原子的质量大致相同。
14.
This method is used exclusively to measure masses of atomic particles.
这种方法专门用来测量原子的质量。
15.
Binding energy affects nuclear mass.
能量结合能影响原子核质量。
16.
The energy that atoms and molecules can possess according to quantum theory is quantized.
根据量子理论，分子和原子具有的能量是量子化的。
17.
Copper atoms are replaced by zinc atoms as the amount of zinc is increased.
随着锌量的增加，铜原子逐步为锌原子所替代。
18.
unit of mass for expressing masses of atoms or molecules.
用于表达原子或分子质量的单位。