- radiation point
- 辐射点
Atmospheric Sciences (English-Chinese) dictionary. 2014.
Atmospheric Sciences (English-Chinese) dictionary. 2014.
Radiation poisoning — Radiation poisoning, also called radiation sickness or a creeping dose , is a form of damage to organ tissue due to excessive exposure to ionizing radiation. The term is generally used to refer to acute problems caused by a large dosage of… … Wikipedia
Radiation pressure — is the pressure exerted upon any surface exposed to electromagnetic radiation. If absorbed, the pressure is the energy flux density divided by the speed of light. If the radiation is totally reflected, the radiation pressure is doubled.For… … Wikipedia
Radiation damping — in accelerator physics is a way of reducing the beam emittance of a high velocity beam of charged particles. More specifically, it reduces the momentum spread of the particles making up the beam.There are two main ways of using radiation damping… … Wikipedia
Radiation scattering — is the deflection of radiation (electromagnetic or products of nuclear decay) from its original path as a result of interaction or collisions with atoms, molecules, or larger particles in the atmosphere or other media between the source of… … Wikipedia
Radiation chemistry — is a subdivision of nuclear chemistry which is the study of the chemical effects of radiation on matter; this is very different from radiochemistry as no radioactivity needs to be present in the material which is being chemically changed by the… … Wikipedia
Point Lepreau Nuclear Generating Station — is a Canadian nuclear power station located 2 km northeast of Point Lepreau, New Brunswick.The facility derives its name from the nearby headland situated at the easternmost part of Charlotte County, although the generating station itself is… … Wikipedia
Radiation — Ra di*a tion (r[=a] d[i^]*[=a] sh[u^]n), n. [L. radiatio: cf. F. radiation.] 1. The act of radiating, or the state of being radiated; emission and diffusion of rays of light; beamy brightness. [1913 Webster] 2. The shooting forth of anything from … The Collaborative International Dictionary of English
point source — point′ source n. opt phs a source of radiation sufficiently distant compared to its length and width that it can be considered as a point • Etymology: 1900–05 … From formal English to slang
radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… … Universalium
radiation measurement — ▪ technology Introduction technique for detecting the intensity and characteristics of ionizing radiation, such as alpha, beta, and gamma rays or neutrons, for the purpose of measurement. The term ionizing radiation refers to those… … Universalium
radiation — 1. radiation [ radjasjɔ̃ ] n. f. • 1378; du lat. médiév. radiare, latinisation de rayer par fausse étym. ♦ Action de radier (qqn ou plus rarement qqch.) d une liste, d un registre. Sa radiation des listes électorales. Dr. Radiation du barreau (d… … Encyclopédie Universelle