- neptunium decay series
- szereg promieniotwórczy neptunowy
English-Polish dictionary for engineers. 2013.
neptunium decay series
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Decay chain — In nuclear science, the decay chain refers to the radioactive decay of different discrete radioactive decay products as a chained series of transformations. Most radioactive elements do not decay directly to a stable state, but rather undergo a… … Wikipedia
Neptunium — uranium ← neptunium → plutonium Pm ↑ Np ↓ (Uqt) … Wikipedia
neptunium series — n. the radioactive series of nuclides starting with neptunium 237, with a half life of 2.2 x 106 years, and ending with stable bismuth 209: many radionuclides, as plutonium 241 and uranium 237, eventually decay into neptunium 237 and are often… … Universalium
neptunium series — n. the radioactive series of nuclides starting with neptunium 237, with a half life of 2.2 x 106 years, and ending with stable bismuth 209: many radionuclides, as plutonium 241 and uranium 237, eventually decay into neptunium 237 and are often… … English World dictionary
neptunium series — noun : a radioactive series that does not now occur in nature and that begins with plutonium of mass number 241 and continues to americium, to the longest lived member of the series neptunium of mass number 237, and eventually to the stable end… … Useful english dictionary
radioactive series — Physics, Chem. a succession of elements initiated in the radioactive decay of a parent, as thorium or uranium, each of which decays into the next until a stable element, usually lead, is produced. Also called decay series. [1920 25] * * * Any of… … Universalium
radioactive series — noun : a series of elements that are formed by disintegration of a long lived parent (as actinium, thorium, or uranium) through the successive loss of alpha or beta particles sometimes by alternative routes and that are all radioactive except the … Useful english dictionary
Isotopes of neptunium — Neptunium (Np) is an artificial element, and thus a standard atomic mass cannot be given. Like all artificial elements, it has no stable isotopes. The first isotope to be synthesized was 239Np in 1940, produced by bombarding 238U with neutrons to … Wikipedia
Francium — radon ← francium → radium Cs ↑ Fr ↓ Uue … Wikipedia
Radon — This article is about the chemical element. For other uses, see Radon (disambiguation). astatine ← radon → francium Xe ↑ Rn ↓ Uuo … Wikipedia
thorium — thoric /thawr ik, thor /, adj. /thawr ee euhm, thohr /, n. Chem. a grayish white, lustrous, somewhat ductile and malleable, radioactive metallic element present in monazite: used as a source of nuclear energy, as a coating on sun lamp and vacuum… … Universalium
