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In order to thoroughly harden U.S. missiles, in 1969 [3] DASA initiated the construction of the Aurora Simulator as a gamma radiation test facility that could produce full-threat level pulses of 1 to 10 MeV photons ("gamma" radiation refers to x-rays (or photons) emitted by nuclei and typically more energetic than 1 MeV).
Scintigraphy (from Latin scintilla, "spark"), also known as a gamma scan, is a diagnostic test in nuclear medicine, where radioisotopes attached to drugs that travel to a specific organ or tissue (radiopharmaceuticals) are taken internally and the emitted gamma radiation is captured by gamma cameras, which are external detectors that form two-dimensional images [1] in a process similar to the ...
A gamma counter is an instrument to measure gamma radiation emitted by a radionuclide. Unlike survey meters , gamma counters are designed to measure small samples of radioactive material, typically with automated measurement and movement of multiple samples.
The companies claimed, among other things, that the health warnings violated their free speech rights by compelling the companies to endorse the U.S. government's anti-smoking message through ...
The log gamma profile began gaining industrial popularity since 2005, when Arri released Arriflex D-20 which provided original Log-C gamma through HD-SDI video output, and further in 2008, when Sony released CineAlta F35 camera (and its 2005 Panavision Genesis sibling) with S-Log video recording on HDCAM-SR tape. Those camera releases boosted ...
Army and Navy will meet for the 125th time in college football. A breakdown of the matchup set to take place in Landover, Maryland, on Saturday.
Young powered the Hawks to a wild 124-121 win over the Utah Jazz on Tuesday night with one of the most ridiculous shots of his career. Young's shot was only half of the finish at the Delta Center.
The Hyundai Gamma engine was introduced in 2006 to replace the existing Hyundai Alpha engine. [1] There are 1.4 L and 1.6 L versions of this engine. The Gamma II can apparently run in Atkinson cycle (leaving intake open longer for more complete burn but less displacement) under low loads for additional fuel economy with the ability to shift to Otto cycle on demand under high loads or for extra ...