- collision excitations
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English-Bulgarian polytechnical dictionary . 2013.
English-Bulgarian polytechnical dictionary . 2013.
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
electromagnetic radiation — Physics. radiation consisting of electromagnetic waves, including radio waves, infrared, visible light, ultraviolet, x rays, and gamma rays. [1950 55] * * * Energy propagated through free space or through a material medium in the form of… … Universalium
excitation — [ ɛksitasjɔ̃ ] n. f. • v. 1300, rare jusqu au XIXe; lat. excitatio 1 ♦ Action d exciter (qqn); ce qui excite. ⇒ encouragement, invitation. « Rien n y manque pour aggraver l émeute, ni les excitations plus vives pour la provoquer » (Taine). ⇒… … Encyclopédie Universelle
Quasiparticle — In physics, quasiparticles (and related collective excitations) are emergent phenomena that occur when a microscopically complicated system such as a solid behaves as if it contained different (fictitious) weakly interacting particles in free… … Wikipedia
Stopping power (particle radiation) — In passing through matter, fast charged particles ionize the atoms or molecules which they encounter. Thus, the fast particles gradually lose energy in many small steps. Stopping power is defined as the average energy loss of the particle per… … Wikipedia
Liste De Particules — Cet article est une liste de particules en physique des particules, incluant les particules élémentaires actuellement connues et hypothétiques, ainsi que les particules composites qui peuvent être construites à partir d elles. Sommaire 1… … Wikipédia en Français
SPECTROSCOPIE - Spectroscopie nucléaire — Tout comme un atome, un noyau atomique défini comme un ensemble de A nucléons, Z protons et N neutrons est un système quantique qui peut se présenter sous différents états d’énergies différentes. Ces états ne sont pas strictement stationnaires, à … Encyclopédie Universelle
Sputtering — is a process whereby atoms are ejected from a solid target material due to bombardment of the target by energetic ions. It is commonly used for thin film deposition, etching and analytical techniques (see below). Physics of sputtering Physical… … Wikipedia
gas — gasless, adj. /gas/, n., pl. gases, v., gassed, gassing. n. 1. Physics. a substance possessing perfect molecular mobility and the property of indefinite expansion, as opposed to a solid or liquid. 2. any such fluid or mixture of fluids. 3. any… … Universalium
ATOMIQUE (PHYSIQUE) — La physique atomique est une discipline de la physique au même titre que la physique nucléaire ou que la physique de la matière condensée. Elle s’intéresse à des édifices simples – atomes, atomes ionisés (ou ions), éventuellement molécules à… … Encyclopédie Universelle
spectroscopy — spectroscopist /spek tros keuh pist/, n. /spek tros keuh pee, spek treuh skoh pee/, n. the science that deals with the use of the spectroscope and with spectrum analysis. [1865 70; SPECTRO + SCOPY] * * * Branch of analysis devoted to identifying… … Universalium