质子质量

ρ-ω混合和介质中的中子-质子质量差

ρ - ω Mixing and neutron-proton Mass Splitting in medium

太阳质量和质子质量的几何平均数是50千克，和在座的每个人的体重是一个数量级。

The geometric mean of the mass of a proton and the mass of the sun is 50 kilograms , within a factor of two of the mass of each person here .

质子的质量几乎是电子的2,000倍。

Protons are nearly 2000 times as heavy as electrons .

大概等于质子的质量。

Roughly equal in mass to that of the proton .

与质子的质量相比，电子的质量可以忽略不计。

In comparison with the mass of the proton the mass of the electron is considered negligible .

中高能质子入射碎片质量分布研究

Analysis for Mass Distribution of Proton-Induced Reactions in Intermediate Energy Range

基于胶片分析的质子剂量场质量控制方法研究

Research on Quality Assurance Methods of Proton Dose Field Based on Dose Film Analysis

质子和中子的质量差不多相等。

Protons and neutrons have about the same mass .

质子或中子的质量和氢原子的质量大致相同。

A proton or a neutron has about the same mass as a hydrogen atom .

由于质子与电子的质量比很大，能量平衡时间比粒子间碰撞时间长。

The energy equipartition time is longer than the interparticle collision time by the mass ratio of proton and electron .

三体核力的重排效应对核子有效质量同位旋依赖性的影响是使高密度丰中子核物质中质子-中子有效质量同位旋劈裂的幅度显著减小。

The TBF rearrangement effect is to decrease remarkably both the proton and neutron effective masses , and reduce the magnitude of neutron-proton effective mass splitting in neutron-rich matter at high densities .

我们所知道的科学定律包含许多基本常数，就如电子的电荷大小，质子与电子的质量比值，等等。

The laws of science , as we know them at present , contain many fundamental numbers , like the size of the electric charge of the electron and ratio of the masses of the proton and the electron .