Alpha particleActinium(III) oxidePolonium trioxideHealth effects of radon: Radon ( ) is a radioactive, colorless, odorless, tasteless noble gas, occurring naturally as the decay product of radium. It is one of the densest substances that remains a gas under normal conditions, and is considered to be a health hazard due to its radioactivity.Radium chlorideList of scientists whose names are used in chemical element names: Fourteen of the chemical elements are named after scientists. Below is the list of those scientists whose names are used in element nomenclature.Function generatorHelium–neon laser: A helium–neon laser or HeNe laser, is a type of gas laser whose gain medium consists of a mixture of helium and neon(10:1) inside of a small bore capillary tube, usually excited by a DC electrical discharge. The best-known and most widely used HeNe laser operates at a wavelength of 632.Uranium mining debateCoulter counter: 150px|thumb|right|The tip of the Coulter counter in a buffer solution, counting cells in solution.Epidemiology data for low-linear energy transfer radiationM. Ahmad ChaudhryList of radioactive isotopes by half-life: This is a list of radioactive isotopes ordered by half-life from shortest to longest.Irradiance: In radiometry (measurement of electromagnetic radiation), irradiance is the radiant flux (power) received by a surface per unit area, and spectral irradiance is the irradiance of a surface per unit frequency or wavelength, depending on whether the spectrum is taken as a function of frequency or of wavelength. The SI unit of irradiance is the watt per square metre (), while that of spectral irradiance is the watt per square metre per hertz (W·m−2·Hz−1) or the watt per square metre per metre (W·m−3)—commonly the watt per square metre per nanometre ().University of Missouri Research Reactor Center: The University of Missouri Research Reactor Center (MURR) is home to a tank-type nuclear research reactor that serves the University of Missouri's Nuclear Science and Engineering Institute (NSEI) in Columbia. , the MURR is the highest power university research reactor in the U.Stillwater Mining Company: Stillwater Mining Company () is a palladium and platinum mining company with headquarters located at Billings, Montana, United States. It is the only palladium and platinum producer in the USA.Automatic exposure control: Automatic Exposure Control (AEC) is an X-ray exposure termination device. A medical radiography x-ray exposure is always initiated by a human operator.Dermal fibroblast: Dermal fibroblasts are cells within the dermis layer of skin which are responsible for generating connective tissue and allowing the skin to recover from injury. Using organelles (particularly the rough endoplasmic reticulum), dermal fibroblasts generate and maintain the connective tissue which unites separate cell layers.
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