protons

Protons are nearly 2000 times as heavy as electrons .

质子的质量几乎是电子的2,000倍。

Each atomic cluster is made up of neutrons and protons .

原子簇是由中子和质子构成的。

A proton is an elementary particle of matter .

质子是物质的基本粒子。

At present nobody understands why these three quarks which are in the proton are bound together

目前还没有人知道质子里面的这三个夸克为什么会结合在一起。

Neutrons and protons are bound together in the nucleus of an atom .

在原子核里，中子和质子是结合在一起的。

30 years ago , scientists came up with the theory that protons and neutrons are composed of three smaller particles .

30年前，科学家们提出了质子和中子是由三种更小的粒子组成的理论。

An atom itself is a complete whole , with its electrons , protons and neutrons and other elements

一个原子本身就是一个完整的整体，包括电子、质子、中子及其他元素。

An electron has a negative charge , a proton has a positive charge .

电子带负电荷，质子带正电荷。

When alkali is added to such compounds a series of proton dissociations occurs .

当碱加到这类化合物中，将发生一系列质子离解作用。

Dirac 's theory also predicted a negatively charged sister for the proton , called the antiproton .

狄喇克的理论还预言有一种质子的姐妹粒子，带负电荷，叫做反质子。

We shall see later that gluons are essential to the dynamics of the quarks inside the proton .

后面将会看到，胶子对于质子内夸克的动力学机制来说是必需的。

Essentially the catalytic properties of clay minerals arise because of their ability to donate protons or accept electrons in reaction mechanisms .

从本质上看，粘土矿物具有催化性质，这是因为粘土矿物在反应过程中能放出质子或接受电子。

The neutrons and protons form the core of the atom .

中子和质子构成了原子核

Electrons are negatively charged with electricity , protons are positively charged .

电子是带负电荷的，质子是带正电荷的

Open Problem on Proton Spin and Present Status of Its Study

质子自旋疑难及研究现状

So the proton film must have high block performance .

因此质子膜必须具备高的阻隔性能。

Simulation calculation of single event upset effects for high energy protons

高能质子单粒子翻转效应的模拟计算

Some key points concerning with the construction of Proton Therapy Center

建造质子治疗中心的关键要点

Simulation program of proton movement in materials based on Windows

基于Windows下的质子在物质中运动的模拟程序

Some characteristics of the space distribution of solar protons active region

太阳质子活动区空间分布特征

Gas sensor of fuel cell type based on proton conductor

基于质子导体的燃料电池型气体传感器

Performance modeling for low pressure vehicle proton exchange membrane fuel cell stack

车用低压质子交换膜燃料电池电堆的半经验模型

OK , atomic hydrogen , one proton , one electron .

原子氢，单个质子，单电子。

Analysis of Different Types of Model for Proton Exchange Membrane Fuel Cell Stacks

质子交换膜燃料电池及电池组模型分析

Three-dimensional numerical analysis of proton exchange membrane fuel cell with complex fluid channels

复杂流道质子交换膜燃料电池的三维数值分析

Progress on proton exchange membranes based on organic / inorganic hybrid materials

有机-无机杂化材料制备质子交换膜的研究进展

The structure of proton and unified theory of elementary particles

质子结构及基本粒子的统一理论

A study on proton irradiation effects of home-made solar cell for space use

国产空间实用太阳电池抗质子辐射性能研究

A discussion on a new method of the solar proton flare warning

一种新的太阳质子事件警报方法的探讨

Finally briefly introduce the current existed international dedicated proton therapy center .

在文的最后再简要地介绍当前国际上的已有的专用质子治疗中心近况。