Radon is a gas that comes from the radioactive decay of radium in rocks 氡是来自岩石中镭辐射衰变而产生的气体。
Any of several radioactive gases that are isotopes of radon and are products of radioactive decay 射气几种氡的同位素的放射性气体,是放射性物质衰变的产物
These radionuclides undergo radioactive decay , by emitting harmful alpha particles , beta particles or gamma rays 它们在衰变期间会放出对人体有害的粒子粒子或射线。
These radionuclides undergo radioactive decay , by emitting harmful alpha particles , beta particles or gamma rays 它们在衰变期间会放出对人体有害的粒子、粒子或射线。
One of our favorite ones involves the use of an electronic geiger counter that generates a pulse every time it detects a radioactive decay 它是一种无论代码所处什么环境都保持一致的软件静态特性吗?
Radioactive decay is the process by which an atomic nucleus of an unstable atom loses energy by emitting ionizing particles (ionizing radiation). There are many different types of radioactive decay (see table below).