radioactivity
ਰੇਡੀਓ
definition
noun
Early studies of radioactivity revealed that certain atomic nuclei were naturally radioactive.
the emission of ionizing radiation or particles caused by the spontaneous disintegration of atomic nuclei.
example
The devices could be equipped with sensors that detect various substances, from heat to chemicals or 'radioactivity' .
When this occurs, the electron shoots out of the atom and is called a beta particle, a type of 'radioactivity' .
Cattle seem to absorb less 'radioactivity' than sheep, except for the milk, which is to be avoided at all costs because of the iodine.
TL is based on the continual accumulation of stored energy as a function of natural 'radioactivity' .
The Curies resolved to learn as much as they could about the source of 'radioactivity' in pitchblende, the ore with which Becquerel originally worked.
The 60 cities with federally reported dietary levels of 'radioactivity' are often not proximate to nuclear sites.
They may also interact with nonmedical regulations, such as limits on electromagnetic emissions or 'radioactivity' .
The element itself was actively producing radiation, a property referred to as 'radioactivity' .
Indeed, many isotopes spontaneously convert to other elements through 'radioactivity' .
A station opened in the Chatham Islands to monitor 'radioactivity' , will help police the worldwide ban on Nuclear Weapons Testing.
One example he gave was the leakage of 'radioactivity' from Sellafield caused by pigeons.
In 1899 he identified two forms of 'radioactivity' , which he called alpha and beta particles.
This year is the centennial of the Nobel Prize in Physics shared by Henri Becquerel and the Curies for their pioneering work on 'radioactivity' .
The NRC says, even if a plane did attack a nuclear plant the likelihood of releasing 'radioactivity' is low.
The idea that radioactive isotopes can be used for dating purposes is almost as old as Henri Becquerel's discovery of 'radioactivity' itself in 1896.
He is one of nine authorities which have been supplied with the latest equipment for recording and detecting 'radioactivity' after an atomic bomb explosion.
The technique is based on the detection of 'radioactivity' emitted after a small amount of a radioactive tracer is injected into a peripheral vein.
They are comparing sediment taken from the Humber estuary - unpolluted by 'radioactivity' - with other samples which contain the substance.
What makes dirty bombs particularly troublesome is that 'radioactivity' , like fire, is something we deal with on a daily basis.
Its functions relate principally to the monitoring of 'radioactivity' in the environment and of radiation doses received by Irish people in the course of their work.
It is suspected that workers have brought home tiny particles of 'radioactivity' attached to their clothing or their skin.
No access to the core is possible because of the levels of 'radioactivity' , continuing high temperatures inside and fears about its stability.
Similar dangers exist of a structural collapse leading to an uncontrollable release of energy which could release 'radioactivity' , he said.
So sensitive is the detector that a single speck of dust within it could emit enough natural 'radioactivity' to queer the readings.
an escape of 'radioactivity'
The becquerel is a unit of 'radioactivity' and corresponds to one radioactive disintegration per second.
Pierre and Marie Curie called Becquerel's radiation 'radioactivity' .
The most common ill effects of exposure to 'radioactivity' result from the ionization of water molecules by the radiation.
The lack of safeguards is leaving thousands of children across central Scotland at risk of thyroid cancer following an escape of 'radioactivity' .
Scientists can compare the number of breakdowns in any given time and the intensity of the 'radioactivity' among elements and isotopes.
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