Becquerel

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Synonyms for Becquerel

French physicist who discovered that rays emitted by uranium salts affect photographic plates (1852-1908)

References in periodicals archive ?
In 2014, some of the reindeer tested exceeded 8,000 becquerels per kilogram and had to be sent back to pasture--a precarious issue for Sami herders who depend on selling the meat to sustain their livelihoods.
Levels of tritium, another radioactive isotope of hydrogen, were also found to be remarkably high based on Oct 9 samples which indicated 150,000 becquerels of tritium per litre in the groundwater near Fukushima, Japan's JIJI agency said.
Although the radioactivity concentration is low - less than one becquerel per cubic metre of water - they have allowed the scientists to start validating the two models being used to forecast the probable future progression of the plume.
A becquerel refers to the amount of nuclear degradation - and emission - per second for a given volume of contaminated material.
The Nuclear Regulation Authority has told TEPCO it will authorize the Fukushima plant to discharge water from within the barriers only if radiation readings are below 15 becquerels per liter for cesium-134, below 25 becquerels per liter for cesium-137, and below 10 becquerels per liter for strontium-90 and if other radioactive substances that emit gamma rays are not present.
The Tokyo metropolitan government said levels of radioactive cesium reached 650 becquerels per kilogram, exceeding the government-set limit of 500 becquerels per kg.
The property in the Castleisland area recorded a level of 37,000 becquerels per cubic metre.
According to the Tokyo metropolitan government, the level of radioactive iodine-131 at a water purification plant in downtown Tokyo dropped to 79 becquerels per liter on Thursday, below the government legal limit of 100 becquerels for infants under one year old.
Radioactive cesium 137, measuring 110 becquerels per kilogram or about 100 times the normal level, was found in samples collected from the seabed 30 kilometers off Sendai City and 45 meters beneath the surface.
What is measured in becquerels after the French physicist Henri Becquerel?
Following the disaster the becquerels (the nuclear transformations per second) was between 500 and 1,000 per metre.
Maximum combined csium radioactivity must not exceed:- 370 becquerels per kilogramme for milk and dairy products and foodstuffs or special preparations for infants,- 600 becquerels per kilogramme for all other products concerned.
The "initial results" of tests on 500 litres of air, taken from an altitude of between 60 and 120 metres and at a distance of 700 metres from the plant's two chimneys, show "an activity of 90,000 becquerels (Bq) per cubic metre" according to Jean-Luc Thierry, nuclear expert with Greenpeace France.
The Cekmece team found that new tea shoots forming at the time of the Chernobyl accident -- May 1986 -- incorporated enough cesium to produce a peak radioactivity of up to 25,000 becquerels per kilogram (Bq/kg) of dry leaves.
Japan's regulatory limit is 500 becquerels of caesium per kilogram, but so far, the highest level of caesium detected in rice stands at 52 becquerels, which is about a tenth of the regulated level.