low background radiation
1background radiation — n. 1. Astron. low intensity, multidimensional microwave radiation present in space: its existence is used to support the validity of the big bang theory since it is thought to be a remnant of the original explosion 2. Physics low levels of… …
2background radiation — n. 1. Astron. low intensity, multidimensional microwave radiation present in space: its existence is used to support the validity of the big bang theory since it is thought to be a remnant of the original explosion 2. Physics low levels of… …
3background radiation — low level radiation suffusing the surface of the earth …
4Background radiation — This article is about ionizing radiation. For microwave background radiation from space, see Cosmic background radiation and cosmic background. Thermal radiation emitted by Earth is not considered in this category because it is not ionizing.… …
5background radiation — /ˌbækgraʊnd reɪdiˈeɪʃən/ (say .bakgrownd raydee ayshuhn) noun the low radiation from cosmic rays and from radioactive substances naturally present in the atmosphere …
6Cosmic microwave background radiation — CMB and Cosmic background radiation redirect here. For other uses see CMB (disambiguation) and Cosmic background (disambiguation). Physical cosmology …
7Discovery of cosmic microwave background radiation — Bell Labs Horn Antenna in Crawford Hill, NJ In 1965 while using the Horn Antenna, Penzias and Wilson stumbled on the microwave background radiation that permeates the universe. This article concerns the accidental discovery of cosmic microwave… …
8Radiation hormesis — (also called Radiation homeostasis) is the hypothesis that chronic low doses of ionizing radiation are beneficial, stimulating repair mechanisms that protect against disease.Cite journal doi = 10.1038/421691a issn = 0028 0836 volume = 421 issue …
9Radiation hardening — is a method of designing and testing electronic components and systems to make them resistant to damage or malfunctions caused by ionizing radiation (particle radiation and high energy electromagnetic radiation),[1] such as would be encountered… …
10Radiation therapy — Radiation (medicine) redirects here. It is not to be confused with Radiation (pain) or Radiology. Radiation therapy Intervention ICD 10 PCS D ICD 9 CM …
