background radiation的意思|示意

Background radiation refers to ionizing radiation present in the environment.It is mostly naturally-occurring and also can be radiated from man made sources.Background radiation comes from two sources - natural and human-made.

Natural sources of background radiation come from radiation emitted by the Sun, outer space and radiation which is naturally present in soils and rocks. These natural sources produce a constant level of radiation and they are not dangerous.

Human made sources of background radiation include X-ray machines, medical treatments such as radiotherapy, and nuclear accidents. These sources of ionizing radiation may be dangerous in large quantities, but generally they produce much lower levels of radiation than natural sources.

Background radiation is important to study because it can provide information about the environment we live in and the effects of radiation on humans and organisms. For example, background radiation can be used to understand the amount of radiation coming from natural sources and any changes in the environment due to human activities. It can also be used to assess the potential effects of radiation on humans, particularly if large amounts of radiation are released due to a nuclear accident.

By understanding background radiation, scientists can make better decisions about the potential risks posed by radiation and can identify potential sources of radiation that may be dangerous.