alpha luminescence

См. также в других словарях:

• luminescence — luminescent, adj. /looh meuh nes euhns/, n. 1. the emission of light not caused by incandescence and occurring at a temperature below that of incandescent bodies. 2. the light produced by such an emission. [1885 90; < L lumin (see LUMEN) +… …   Universalium

• 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

• analysis — /euh nal euh sis/, n., pl. analyses / seez /. 1. the separating of any material or abstract entity into its constituent elements (opposed to synthesis). 2. this process as a method of studying the nature of something or of determining its… …   Universalium

• Phénomène lunaire transitoire — Un phénomène lunaire transitoire (PLT)[1] consiste dans l apparition d une lumière ou d une modification d aspect de la surface lunaire pendant une courte durée. Des signalements de tels phénomènes remontent à plus de mille ans, certains d entre… …   Wikipédia en Français

• atom — /at euhm/, n. 1. Physics. a. the smallest component of an element having the chemical properties of the element, consisting of a nucleus containing combinations of neutrons and protons and one or more electrons bound to the nucleus by electrical… …   Universalium

• Transient lunar phenomenon — A transient lunar phenomenon (TLP) or Lunar Transient Phenomena (LTP), refers to short lived lights, colors, or changes in appearance of the lunar surface. Claims of short lived phenomena go back at least 1,000 years, with some having been… …   Wikipedia

• Crystallographic defects in diamond — Synthetic diamonds of various colors grown by the high pressure high temperature technique, the diamond size is 2 mm …   Wikipedia

• Nikolaus Riehl — Born December 5, 1901 Saint Petersburg, Russia Died …   Wikipedia

• Fluorescence correlation spectroscopy — (FCS) is a common technique used by physicists, chemists, and biologists to experimentally characterize the dynamics of fluorescent species (e.g. single fluorescent dye molecules in nanostructured materials, autofluorescent proteins in living… …   Wikipedia

• Radiometric dating — (often called radioactive dating) is a technique used to date materials such as rocks, usually based on a comparison between the observed abundance of a naturally occurring radioactive isotope and its decay products, using known decay rates.[1]… …   Wikipedia