Strontium
21Strontium 90 — Le strontium 90, noté 90Sr, est l isotope du strontium dont le nombre de masse est égal à 90 : son noyau atomique compte 38 protons et 52 neutrons avec un spin 0+ pour une masse atomique de 89,9077376 g/mol. Il est caractérisé par un… …
22strontium 90 — noun a radioactive isotope of strontium (with the mass number 90) that is present in the fallout from nuclear explosions; can be assimilated like calcium into bones • Hypernyms: ↑strontium, ↑Sr, ↑atomic number 38 * * * noun : a heavy radioactive… …
23strontium-89 — A radioactive strontium isotope; a β emitter with a half life of 50.52 days; used as a tracer in studies of strontium absorption by the body, strontium incorporation in bone, etc …
24strontium — [19] The element strontium gets its name from the Strontian area of the Highland region of Scotland, which contains lead mines in which strontium was first discovered. Indeed, it was originally called strontian; the latinized version strontium… …
25Strontium — stroncis statusas T sritis fizika atitikmenys: angl. strontium vok. Strontium, n rus. стронций, m pranc. strontium, m …
26strontium — stroncis statusas T sritis fizika atitikmenys: angl. strontium vok. Strontium, n rus. стронций, m pranc. strontium, m …
27strontium — [19] The element strontium gets its name from the Strontian area of the Highland region of Scotland, which contains lead mines in which strontium was first discovered. Indeed, it was originally called strontian; the latinized version strontium… …
28strontium — n. Chem. a soft silver white metallic element occurring naturally in various minerals. Usage: Symb.: Sr. Phrases and idioms: strontium 90 a radioactive isotope of strontium concentrated selectively in bones and teeth when taken into the body.… …
29strontium — n. a yellow metallic element, absorption of which causes bone damage when its atoms displace calcium in bone. The radioactive isotope strontium 90, which emits beta rays, is used in radiotherapy for the contact therapy of skin and eye tumours and …
30strontium — stroncis statusas T sritis chemija apibrėžtis Cheminis elementas. simbolis( iai) Sr atitikmenys: lot. strontium angl. strontium rus. стронций …
