résonance — [ rezɔnɑ̃s ] n. f. • v. 1450 mus.; de résonner 1 ♦ Prolongement ou amplification des sons dans certains milieux sonores (⇒ résonner). « Dans ce tombeau, un grignotement de rat [...] prenait des résonances étranges » (Gautier). Caisse de résonance … Encyclopédie Universelle
Uranium-232 — Infobox isotope background = #fc6 text color = isotope name = Uranium 232 isotope filename = alternate names = mass number =232 symbol =U num neutrons = num protons = abundance = halflife = 68.9 years error halflife = decay product = Thorium 228… … Wikipedia
Uranium-234 — Infobox isotope background = #fc6 text color = isotope name = Uranium 234 isotope filename = alternate names = mass number =234 symbol =U num neutrons =142 num protons =92 abundance =0.0055% halflife =246,000 years error halflife = decay product … Wikipedia
Enriched uranium — Proportions of uranium 238 (blue) and uranium 235 (red) found naturally versus enriched grades Enriched uranium is a kind of uranium in which the percent composition of uranium 235 has been increased through the process of isotope separation.… … Wikipedia
Orbital Resonance (novel) — Orbital Resonance … Wikipedia
Nuclear resonance fluorescence — (NRF) is a nuclear process in which a nucleus absorbs and emits high energy photons called gamma rays. NRF interactions typically take place above 1 MeV, and most NRF experiments target heavy nuclei such as uranium and thorium[1] Mode of… … Wikipedia
Nuclear chemistry — is the subfield of chemistry dealing with radioactivity, nuclear processes and nuclear properties. It is the chemistry of radioactive elements such as the actinides, radium and radon together with the chemistry associated with equipment (such as… … Wikipedia
Heavy water — Not to be confused with hard water or tritiated water. Deuterium oxide IUPAC name … Wikipedia
Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… … Universalium
QUATERNAIRE (ÈRE) — Le terme «Quaternaire» a été créé en 1829 par le géologue français Jules Desnoyers. Il s’agit de la période de temps la plus récente et la plus courte de l’échelle géologique. Constituant la dernière époque du Cénozoïque et des temps… … Encyclopédie Universelle
Herbert L. Anderson — (24 May 1914 in New York City, New York ndash; 16 July, 1988 in Los Alamos, New Mexico) was an American nuclear physicist who contributed to the Manhattan Project. He was also a member of the team which made the first demonstration of nuclear… … Wikipedia