alpha radioactive

  • 1alpha-radioactive nucleus — alfa radioaktyvusis branduolys statusas T sritis fizika atitikmenys: angl. alpha active nucleus; alpha radioactive nucleus vok. alpha radioaktiver Kern, m rus. альфа активное ядро, n pranc. noyau émetteur de particules alpha, m …

    Fizikos terminų žodynas

  • 2alpha-active nucleus — alfa radioaktyvusis branduolys statusas T sritis fizika atitikmenys: angl. alpha active nucleus; alpha radioactive nucleus vok. alpha radioaktiver Kern, m rus. альфа активное ядро, n pranc. noyau émetteur de particules alpha, m …

    Fizikos terminų žodynas

  • 3alpha-radioaktiver Kern — alfa radioaktyvusis branduolys statusas T sritis fizika atitikmenys: angl. alpha active nucleus; alpha radioactive nucleus vok. alpha radioaktiver Kern, m rus. альфа активное ядро, n pranc. noyau émetteur de particules alpha, m …

    Fizikos terminų žodynas

  • 4Alpha particle — Alpha particles (named after and denoted by the first letter in the Greek alphabet, α) consist of two protons and two neutrons bound together into a particle identical to a helium nucleus; hence, it can be written as He2+ or 42He2+. They are a… …

    Wikipedia

  • 5Radioactive scrap metal — is the situation when radioactive material enters the metal recycling process known as the scrap metal trade. Overview A lost source accident [P Ortiz, V Friedrich, J Wheatley and M Oresegun, [http://www.iaea.org/Publications/Magazines/Bulletin/Bu… …

    Wikipedia

  • 6Alpha rays — (Physics & Chem.) Rays of relatively low penetrating power emitted by radium and other radioactive substances, and shown to consist of positively charged {alpha particles} (helium nuclei) having enormous velocities but small masses. They are… …

    The Collaborative International Dictionary of English

  • 7Alpha Centauri in fiction — Alpha Centauri, the closest star system to the Sun, is frequently referenced in science fiction stories, especially those involving interstellar travel. Literature * In Far Centaurus (1944), the classic short story by A. E. van Vogt, an earth… …

    Wikipedia

  • 8alpha particle — (Physics & Chem.) a particle emitted at high velocity from certain radioactive substances. It is identical to the helium nucleus, consisting of two protons and two neutrons. Rays of such particles are called {alpha rays}. [Webster 1913 Suppl.… …

    The Collaborative International Dictionary of English

  • 9alpha particle — (also alpha ray) ► NOUN Physics ▪ a helium nucleus, especially as emitted by some radioactive substances …

    English terms dictionary

  • 10radioactive — [rā΄dē ō ak′tiv] adj. [ RADIO + ACTIVE] giving off, or capable of giving off, radiant energy in the form of particles or rays, as alpha, beta, and gamma rays, by the spontaneous disintegration of atomic nuclei: said of certain elements, as… …

    English World dictionary