- Branża: Education
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Harvard University is the oldest institution of higher learning in the United States. It was established in 1636 by the Massachusetts legislature and named after its first benefactor, John Harvard. Located in Cambridge, Massachusetts, Harvard University is an Ivy League university.
High speed electrons, which are emitted from the nuclei of radioactive atoms during radioactive decay, as a result of the transformation of a neutron into a proton. They can be stopped by a thin (thickness varies for different radionuclides) sheet of plastic or glass.
Industry:Environment
A unit, in the International System of Units (SI), of measurement of activity equal to one decay per second.
Industry:Environment
The determination of kinds, quantities, or concentrations, and, in some cases, the locations of radioactive material in the human body, whether by direct counting (in vivo) or by analysis and evaluation of materials excreted or removed from the body.
Industry:Environment
The time that is required by an organism to eliminate half the amount of a substance that has entered it.
Industry:Environment
X-rays produced when a charged particle loses energy in interactions with heavy nuclei when moving through matter.
Industry:Environment
The check or correction of the accuracy of a measuring instrument to assure proper operational characteristics.
Industry:Environment
An elementary particle or ion which carries a positive or negative electric charge.
Industry:Environment
The dose equivalent to organs or tissues of reference that will be received from an intake of radioactive material by an individual during the 50 year period following intake.
Industry:Environment
The deposition of unwanted radioactive material on the surfaces of structures, areas, objects, or personnel. Can either be fixed or removable.
Industry:Environment
A general term used for a radiation detection instrument, survey meter, or a liquid scintillation counter (LSC) that detects and measures radiation. The signals (needle blip and audio beep) show ionization events called counts.
Industry:Environment
