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1 isotopic species
radioactive species — радиоактивные изотопы; радиоизотопы
English-Russian big polytechnic dictionary > isotopic species
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2 isotopic species
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3 isotopic species
• изотопEnglish-Bulgarian polytechnical dictionary > isotopic species
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4 nuclear species
English-Russian big polytechnic dictionary > nuclear species
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5 fissionable species
radioactive species — радиоактивные изотопы; радиоизотопы
English-Russian big polytechnic dictionary > fissionable species
См. также в других словарях:
geology — /jee ol euh jee/, n., pl. geologies. 1. the science that deals with the dynamics and physical history of the earth, the rocks of which it is composed, and the physical, chemical, and biological changes that the earth has undergone or is… … Universalium
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
catalysis — catalytic /kat l it ik/, adj., n. catalytical, adj. catalytically, adv. /keuh tal euh sis/, n., pl. catalyses / seez /. 1. Chem. the causing or accelerating of a chemical change by the addition of a catalyst. 2. an action between two or more… … Universalium
atomic weight — Chem. the average weight of an atom of an element, formerly based on the weight of one hydrogen atom taken as a unit or on 1/16 the weight of an oxygen atom, but after 1961 based on 1/12 the weight of the carbon 12 atom. Abbr.: at. wt. [1820 30]… … Universalium
rock — rock1 rockless, adj. rocklike, adj. /rok/, n. 1. a large mass of stone forming a hill, cliff, promontory, or the like. 2. Geol. a. mineral matter of variable composition, consolidated or unconsolidated, assembled in masses or considerable… … Universalium
Rock — /rok/, n. a male given name. * * * I In geology, a naturally occurring and coherent aggregate of minerals. The three major classes of rock igneous, sedimentary, and metamorphic are based on the processes that formed them. These three classes are… … Universalium
Ammonia — For other uses, see Ammonia (disambiguation). Ammonia … Wikipedia
Chemical formula — Al2(SO4)3 Example of a chemical formula, aluminium sulfate A chemical formula or molecular formula is a way of expressing information about the atoms that constitute a particular chemical compound. The chemical formula identifies each constituent … Wikipedia
Huygens probe — Infobox Spacecraft Name = Huygens probe Caption = A scale replica of the probe, 1.3 metres across. Organization = ESA/ASI/NASA Major Contractors = Aérospatiale, now Thales Alenia Space Mission Type = Lander Satellite Of = Saturn Launch = December … Wikipedia
Penzias , Arno Allan — (1933–) American astrophysicist Penzias, who was born in Munich, Germany, earned his BS at City College, New York, in 1954 after fleeing with his parents as a refugee from the Nazis. He gained his PhD from Columbia University in 1962. In 1961 he… … Scientists
isotope — isotopic /uy seuh top ik/, adj. isotopically, adv. /uy seuh tohp /, n. Chem. any of two or more forms of a chemical element, having the same number of protons in the nucleus, or the same atomic number, but having different numbers of neutrons in… … Universalium