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The curie (symbol Ci) is a non-SI unit of radioactivity originally defined in 1910. According to a notice in Nature at the time, it was to be named in honour of Pierre Curie , [ 1 ] but was considered at least by some to be in honour of Marie Curie as well, [ 2 ] and is in later literature considered to be named for both.
Aside from cancer, many types of medical imaging are used to diagnose life-threatening diseases, such as heart attacks, pulmonary embolism, ... curie: Ci 3.7 × 10 10 ...
The reports say for years Chelyabinsk dumped about 120 million curies of radioactive waste to give you an idea of how much that is -- it's two and a half times the amount of radiation released in ...
The measurement of ionizing radiation is sometimes expressed as being a rate of counts per unit time as registered by a radiation monitoring instrument, for which counts per minute (cpm) and counts per second (cps) are commonly used quantities.
Following the accident, an estimated 44,000 curies of radioactive gases – particularly Krypton-85 – from the leak were vented into the atmosphere through specially designed filters under operator control. A government report concluded that the accident caused no increase in cancer rates for local residents.
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An older unit of radioactivity is the curie, Ci, which was originally defined as "the quantity or mass of radium emanation in equilibrium with one gram of radium (element)". [22] Today, the curie is defined as 3.7 × 10 10 disintegrations per second, so that 1 curie (Ci) = 3.7 × 10 10 Bq.
Dangerous ultra-processed foods are linked to more than 30 health conditions. Here’s how to identify and avoid them. Liz Seegert. Updated November 25, 2024 at 4:14 PM.