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。
The electron mass is measured, and the linewidth of the coherent scattering is analyzed.
测量了电子质量,分析了相干散射线宽,测量了非相干散射光子的能量,算出了非相干散射微分截面,给出了Θ~Θ+dΘ内散射光子微分截面与散射角关系。
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。
Any of two or more kinds of atoms having the same atomic mass but different atomic numbers.
同量异位素两种或各多种有相同原子质量但却有不同的原子序数的原子中的任一种
Precision values of atomic masses are measured in a device called a mass spectroscope.
原子质量的精确值是用一种称为质谱仪的装置来测量的。
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。
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。
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
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
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。
unit of mass for expressing masses of atoms or molecules.
用于表达原子或分子质量的单位。
The nuclear magneton, calculated using the mass of the nucleon.
核磁子，用原子核的质量来计算
narrow resonance infinite mass of the absorber atom
吸收体原子窄共振无限质量
Semen analysis of adult males living in plateau-hypoxia environment
高原缺氧环境成年男性精子质量分析
Determination of Proteins in Crude Milk by Ion Chromatography
离子色谱法测定原料乳中蛋白质含量
ENHANCE ATOMIC FORCE MICROSCOPE(AFM) IMAGING QUALITY
提高原子力显微镜(AFM)成像质量的方法
The positively charged central region of an atom, composed of protons and neutrons and containing almost all of the mass of the atom.
原子核原子的正极中心部分，由质子和中子构成，几乎集中了原子的全部质量
Ight of an atom of carbon 12
原子量（某元素的一个原子的质量与十二分之一的碳)
