Protons are nearly 2000 times as heavy as electrons.
质子的质量几乎是电子的2,000倍。
柯林斯例句
The neutrons and protons form the core of the atom.
中子和质子构成了原子核.
《简明英汉词典》
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.
《简明英汉词典》
The nucleus of an atom consists of neutrons, protons and other particles.
原子核由中子 、 质子和其他粒子构成.
《简明英汉词典》
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。
柯林斯例句
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。
辞典例句
Each atomic cluster is made up of neutrons and protons.
原子簇是由中子和质子构成的。
辞典例句
An atom normally contains equal numbers of electrons and protons.
原子在正常情况下含有数目相等的电子和质子.
辞典例句
The gravitational interaction is disregarded when interactions between individual protons are considered.
在考虑单个质子间相互作用时,万有引力可以忽略不计.
辞典例句
Protons and particles of different ranges can thus be separated.
这样,就能区分出不同射程的质子和粒子.
辞典例句
The charges themselves in either case are those of electrons or protons.
任一种情况下,电荷就是电子或质子的电荷.
辞典例句
A substance donates protons to some other substance.
一物质向其他物质提供质子.
辞典例句
Atoms are made up of electrons and protons.
原子由电子和质子构成.
辞典例句
Nuclei are composed of protons and neutrons.
原子核是由质子和中子构成的.
辞典例句
Two protons brought together will also fly apart - if neutrons are not present to hold them together.
两个靠拢的质子也会飞开 -- 如果不是有中子把它们保持在一起的话.
辞典例句