How To Use Background radiation In A Sentence
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Humanity was almost extinguished, their spirits becoming part of the background radiation that blanketed the earth.
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The 20 tonnes of lead in the batteries has been found to have an immeasurably low level of background radiation.
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Though machines vary, the average set of bitewing X-rays adds only as much radiation as you'd get from about three extra weeks of natural background radiation.
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Mora-Corrasco, 1998) After final analysis, it was determined that the maximum dose of radiation received by a research subject was 330 mrem, which is 3 times higher than the recommended dose for background radiation in one year (United States Nuclear Regulatory Commission, 2008).
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It is important too, for use in high-luminosity linear electron - positron colliders where the focus is extremely tight, to know whether or not detectors can separate collision results from background radiation.
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If there is no safe dose cancer rates should increase as the natural background radiation level increases.
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Data from the Wilkinson Microwave Anisotropy Probe (WMAP) can show the minute temperature changes created as the cosmic microwave background radiation moves through gases in galaxy clusters.
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It was an American voice asking me: what do you think of the discovery of fluctuations in the microwave background radiation?
Times, Sunday Times
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The phenomenon was dubbed the "cosmic microwave background radiation.
The Origin of the Universe
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The influx of energy would help explain the microwave background radiation.
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The radiation we receive annually is called "background radiation" and is approximately 200-300 millirems (millirems (mrem) is used to measure radiation) per year or 2-3 mSv (another measurement term) effective dose.
Helene Pavlov: Another Look at Radiation
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One can learn all sorts of interesting things about the cosmological history of our universe from the angular spectrum of the cosmic background radiation.
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These fission products are not found in natural background radiation, but are exclusively byproducts of nuclear weapons explosions and nuclear reactor operations.
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The background radiation is also analyzed that may exist and how to calculate it is introduced.
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Arp finds little or no evidence for the existence of the ‘dark matter’ which is supposed to dominate the mass content of the universe. He views the cosmic background radiation as thermalised galaxy light.
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It was an American voice asking me: what do you think of the discovery of fluctuations in the microwave background radiation?
Times, Sunday Times
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The phenomenon was dubbed the "cosmic microwave background radiation.
The Origin of the Universe
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Even radiation will have settled down into the rightly so - called background radiation corresponding to nearly zero temperature.
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This leaves the problem of how to explain the microwave background radiation.
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The new scintillating bolometer has performed excellently, proving its viability as a detector in experiments to look for dark matter, and also as a gamma spectrometer a device that measures this type of radiation to monitor background radiation in these experiments", says García Abancéns.
A Prototype Detector for Dark Matter in the Milky Way | Universe Today
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The mottled look of the Cosmic Microwave Background radiation is the result of differences in temperature and density.
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These gases scatter light from the cosmic microwave background radiation as it passes through the clusters, similar to the way Earth's atmosphere can scatter starlight, making some stars twinkle.
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If there is no safe dose cancer rates should increase as the natural background radiation level increases.
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In particular, why is the temperature of the microwave background radiation so nearly the same when we look in different directions?
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The South Pole Telescope, which began scientific observations in 2007, surveys the sky for cosmic microwave background radiation, the "afterglow" of the Big Bang.
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Levels of background radiation are frequently published in the Moscow press, and a number of environmental consultancies run radiation monitoring services.
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The phenomenon was dubbed the "cosmic microwave background radiation.
The Origin of the Universe
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Background radiation is a feature of our environment on Earth extending back throughout geological time.
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Their cumulative effect would give rise to the microwave background radiation.
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The cosmic microwave background radiation contains billions of photons for every baryon.
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The second are galactic cosmic rays, which, although not as lethal as solar flares, represent a continuous background radiation to which the crew would be exposed.
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Mutated, freely-multiplying cells are caused by peroxidized fats, by free radicals in the body, by radiation (there has always been background radiation on Earth), by chance mutation.
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COBE also measured small directional variations in the background radiation's temperature, known as anisotropy.
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In any case, in earlier aeons, background radiation levels were much greater than today.
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The theory of the big bang gained widespread support in the scientific community after Arno Penzias and Robert Wilson discovered cosmic microwave background radiation in 1965.