作业帮英语翻译1.nucleon is composed of protons and neutrons,and consti
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英语翻译
1.nucleon is composed of protons and neutrons,and constitutes practically all the mass of the atom.
2.The protons and neutrons are called nucleons.
3.the atoms consist of numbers of three fundamental particles.
4.Atoms having the same atomic number Z,but different numbers of neutrons N are called isotopes of the element.
5.In the nuclear reactions mass and energy is interchanged.
6.During the nuclear eaction the momentum of the particles is the same before and after the reaction.
Neutrons are emitted during fission and the possibility of a chain eaction is realiazed .
8.The excited nuclei become de-excited by emission of r-rays or particles.
9.For heavier elements it is necessary to have an excess of neutrons over protons for stability.
10.The fission fragments bear most of the mass-energy released.
11.The binding force acts only when the nucleons are very close to each other.
12.Fission in uranium-238 can be caused by neutrons of 1.5 MeV.
刚才按错了，还没打完，不好意思
分数给自己翻译付出了辛劳的人，拒绝翻译器。
1.nucleon is composed of protons and neutrons,and constitutes practically all the mass of the atom.
2.The protons and neutrons are called nucleons.
3.the atoms consist of numbers of three fundamental particles.
4.Atoms having the same atomic number Z,but different numbers of neutrons N are called isotopes of the element.
5.In the nuclear reactions mass and energy is interchanged.
6.During the nuclear eaction the momentum of the particles is the same before and after the reaction.
Neutrons are emitted during fission and the possibility of a chain eaction is realiazed .
8.The excited nuclei become de-excited by emission of r-rays or particles.
9.For heavier elements it is necessary to have an excess of neutrons over protons for stability.
10.The fission fragments bear most of the mass-energy released.
11.The binding force acts only when the nucleons are very close to each other.
12.Fission in uranium-238 can be caused by neutrons of 1.5 MeV.
刚才按错了，还没打完，不好意思
分数给自己翻译付出了辛劳的人，拒绝翻译器。
1.核子由质子和中子构成,几乎占了原子的全部质量.
2.质子和中子构成核子.
3 原子由三种基本粒子构成.
4 含有相同原子序数Z,不同中子数N的原子叫做叫做元素的同位素.
5 在核反应中进行了物质和能量的转换.
6.核反应前后,粒子的动量不变.
7中子裂变反应过程中,中子可能发生了一系列反应.
8活跃的原子在r-射线和粒子的放射下变得不活跃.
9质量大的元素为了保持其稳定,中子量超过质子量是必然的.
10分裂碎片有大量的能量释放.
11核子间相互靠近时会产生斥力.
12.1.5兆电子伏的中子能引起铀-238的裂变.
（有些地方翻译得不是特别专业,还请多原谅,我已经尽了最大努力,希望能帮上你）
2.质子和中子构成核子.
3 原子由三种基本粒子构成.
4 含有相同原子序数Z,不同中子数N的原子叫做叫做元素的同位素.
5 在核反应中进行了物质和能量的转换.
6.核反应前后,粒子的动量不变.
7中子裂变反应过程中,中子可能发生了一系列反应.
8活跃的原子在r-射线和粒子的放射下变得不活跃.
9质量大的元素为了保持其稳定,中子量超过质子量是必然的.
10分裂碎片有大量的能量释放.
11核子间相互靠近时会产生斥力.
12.1.5兆电子伏的中子能引起铀-238的裂变.
（有些地方翻译得不是特别专业,还请多原谅,我已经尽了最大努力,希望能帮上你）
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