In the domestic academe "atomic weight" has been changed to "relative atomic mass".
"原子量"(atomic weight)这一广为大众熟知的术语却遭到"相对原子质量"(relativeatomic mass)的冲击,国内已将"原子量"改名为"相对原子质量"。
% 76 Ge,and the atomic weight of germanium as 72 639(4) both with an uncertainty given on t.
0 5 原子 %76Ge再各乘以已知的原子质量 ,得出锗原子量的新值为 :Ar( Ge) =72 。
The atomic weight of europium is 151.
用该值和已知的铕的核素质量，计算得到铕的原子量为151。
A microscale experiment using simple instrument was applied to the determination of Cu atomic weight.
利用自制的简易气体发生器和洗气装置对铜原子量测定微型实验作了进一步的探索与实践 。
By using molecular dynamics simulation the effect of atomic mass of dopants on lattice vibration in silicon has been researched,the evolution of phonon scattering from point defects has been explicitly displayed in the atomic scale,which can not be currently observed by actual experiments.
本文采用分子动力学方法,重点研究了掺杂原子质量对硅晶格振动行为的影响,在原子尺度上清楚地展示出目前实际无法展现的点缺陷影响声子散射的演化过程。
Calculation of atomic energy using partial-wave method for plasmas at medium-low temperature;
中低温等离子体原子能量的分波法计算
The atomic parameters of the transmition 2s22p6-2s22p53s of Ne-like ions with nuclear charge Z from 13 to 27, including energy level, oscillator strength, spontaneous radiation deay time, level life, electron-collision excitation cross-section, electron-collision excitation rate and so on are obtained by using Hartree-Fock-Roothan (HFR equations).
利用多组态求解相对论性的Hartree Fock Roothan方程 (HFR)方法计算了类氖离子 (Z =13～ 2 7) 2s2 2p6 2s2 2p53s能级之间跃迁的原子参量 ,包括类氖氩激光系统的能级 ,振子强度 ,自发辐射衰变速率 ,能级寿命 ,电子碰撞激发截面及电子碰撞激发速率系数等。
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）.
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
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。
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。
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。
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
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。
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
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。
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。
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。
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
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。
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。
Binding energy affects nuclear mass.
能量结合能影响原子核质量。
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。
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。
unit of mass for expressing masses of atoms or molecules.
用于表达原子或分子质量的单位。