curie, 1 ci = 3.7 x 1010 bq

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(Nükleer Bilimler) curie
3.7×1010 decays per second, as a unit of radioactivity. Symbol Ci
(Ci) A unit of radiation measurement, equal to 3 7x1010 disintegrations per second
A unit for measuring the activity of a radioactive nuclide By definition, 1 Ci = 3 700 x 1010 disintegrations per second
The basic unit used to describe the intensity of radioactivity in a sample of material The curie is equal to 37 billion (3 7X1010) disintegrations per second, which is approximately the activity of 1 gram of radium A curie is also a quantity of any radionuclide that decays at a rate of 37 billion disintegrations per second It is named for Marie and Pierre Curie, who discovered radium in 1898
French physicist; husband of Marie Curie (1859-1906)
A unit of radioactivity One curie is defined as 3 7 x 1010 (37 billion) disintegrations per second Several fractions and multiples of the curie are commonly used
Units of measurement (see Activity) One curie is that quantity of a radioactive nuclide disintegrating at the rate of 3 700 x 1010 atoms per second
A unit of measure used to describe the amount of radioactivity in a sample of material
A measure of radioactivity equal to 3 7 x 1010 disintegrations per second D
A unit of radioactivity One curie equals that quantity of radioactive material in which there are 3 7 x 1010 nuclear transformations per second (1 Ci = 3 7 x 1010 disintegrations per second = 3 7 x 1010 Bq) The activity of 1 gram of radium is approximately 1 Ci
A unit for measuring the activity of a radioactive nuclide 1 Ci = 3 700 x 1010 disintegrations per second
A measure of the amount of radioactivity in a material One Curie is 37 billion atoms undergoing radioactive decay each second
A standard measure of the rate of nuclear transformations, or disintegrations equal to that of one gram of radium This rate is 3 70 × 1010 disintegrations per second
a measure of the rate of radioactive decay; 1 curie is a large amount of radioactivity, equal to 37 billion radioactive disintegrations per second (the radioactivity of one gram of radium)
The original unit used to describe the intensity of radioactivity in a sample of material One curie equals thirty-seven billion disintegrations per second, or approximately the radioactivity of one gram of radium This unit is no longer recognized as part of the International System of units It has been replaced by the becquerel
A unit of radioactivity that represents the amount of radioactivity associated with one gram of radium To say that a sample of radioactive material exhibits one curie of radioactivity means that the element is emitting radiation at the rate of 3 7 million times a second Named after Marie Curie, an early nuclear scientist
a measurement of radioactivity: the amount of radioactive material giving off 3 7 x 1010 d p s , or 37 billion disintegrations per second In the United States, the picocurie (1 pCi = 0 037 d p s or 1 x 10-12 of a curie) is the unit used for many measurements of radioactive contamination
a unit of radioactivity equal to the amount of a radioactive isotope that decays at the rate of 37,000,000,000 disintegrations per second
A unit of radioactivity equal to 3 7 x 1010 disintegrations per second
A unit of radioactivity equal to that emitted by 1 gram of pure radium
curie, 1 ci = 3.7 x 1010 bq