文档介绍：第一课
词汇:
Concept概念, conception概念, conceive构想、理解
Isotope同位素, isomer同质异能素
element, atom, nucleus, nucleon
element, elements,
molecule, molecules, molecular
atom, atoms, atomic,
nucleus['nju:kliəs,'nu:kliəs]原子核 , nuclei, nuclear,
nucleon['nju:kliɔn]核子, nucleons, nucleonic核子的
particle, particles,
fissile易裂变的, fissionable可以发生裂变的
fertile可裂变的,fertile materials增殖材料
fission, fusion, decay
inner, innermost / outer, outermost
chain reaction
fragment碎片
Expression:
times
A is ten times B.
varies inversely as
E equals m times c squared. E = mc2
the n-th power of a: an
result in / result from
is panied by / correspond to
The discovery of fission was made in Germany in 1938 by Hahn......
posed of 由…组成
Binding energy 结合能
Discrete excited states 不连续的激发态
ic radiation 电磁辐射
Ev:electron-volt
Conservation of mass/energy 质量/能量守恒
练****br/>电子带负电,质子带正电。
Electron is negatively charged,proton is positively charged。
在任何质量变化的反应中,质量的减少与能量的释放相伴,而质量的增加与能量的吸收相随。
In any reaction in which mass changes,a decrease of mass is panied by the release of energy,and an increase of mass corresponds to the absorption of energy。
电荷间的静电斥力与它们之间距离的平方成反比。
The force of electrostatic repulsion between like charges varies inversely as the square of their separation。
通常,原子核存在于能量为基态的平衡态或者说稳定的条件下。
Normally atomic nuclei exist in an equilibrium or stable condition known as their ground state of energy。
原子的质量并不等于组成它的粒子质量之和。
The mass of atom is not equal to the sum of the masses of its constituent particles。
E=mc2:E is equal to m times c squared。
1u = ×10-27kg One u equals times 10 to minus 27 kg。
第二课
词汇:
Qualitative定性的, quantitative定量的
matter exposed to beta particles暴露在β粒子中的物质
in addition to ......除了
petition with与什么竞争
present no shielding problem不产生防护问题
cross section截面
special theory of relativity狭义相对论
potential scattering势散射
principle原则、主义, principal首要的、主要的
compound nucleus formation复合核的产生(deformation 变形)
ionization 电离
irradiate 辐照
spectrum of energies 能谱