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რადიუმი
| Англо-грузинский словарь |
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Radium, английский
- Radium consists of 16 isotopes, the most abundant being the radioactive radium-226. this is a metallic substance, has a half-life of 1602 years and decays via a complicated chain, eventually leading to stable lead-206. along the way it decays to radon gas
- A radioactive metallic element (note: the chemical symbol is ra.)
- A radioactive element with the atomic number 88 and an atomic weight of 226. in nature, radium is found associated with uranium, which decays to radium, by a series of alpha and beta emissions. radium is used as a radiation source.
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Raft, английский
- Плот, спасательный плот
- A sort of float formed by an assemblage of casks, planks, or pieces of timber, fastened together with swifters and raft-dogs side by side, as well as tier upon tier. the timber and plank with which merchant ships are laden in the different ports of the baltic, are attached together in this manner, in order to float them off to the shipping; but the rafts of north america are the most gigantic in the world. also, a kind of floating bridge of easy construction for the passage of rivers by troops, &c.
- [1] ice floes overlapping so that some are supported by others. [2] a small inflatable craft. [3] a flat floating structure made of wood or other material.
- 1) a small flat boat, usually inflatable. 2) to moor with more than one boat tied together, usually using only one boat’s anchor and rode.
Radium, английский
- Radium consists of 16 isotopes, the most abundant being the radioactive radium-226. this is a metallic substance, has a half-life of 1602 years and decays via a complicated chain, eventually leading to stable lead-206. along the way it decays to radon gas
- A radioactive metallic element (note: the chemical symbol is ra.)
- A radioactive element with the atomic number 88 and an atomic weight of 226. in nature, radium is found associated with uranium, which decays to radium, by a series of alpha and beta emissions. radium is used as a radiation source.
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