| radioactivity (The property possessed by some atomic nuclei of disintegrating spontaneously, with loss of energy through emission of a charged particle and/or gamma radiation) |
radioaktivitet |
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| radioelement (An element that is naturally radioactive) |
radioaktivt stoff |
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| radionuclide (A nuclide that exhibits radioactivity) |
radionuklide |
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| radon (A radioactive gaseous element emitted naturally from rocks and minerals where radioactive elements are present. It is released in non-coal mines, e.g. tin, iron, fluorspar, uranium. Radon is an alpha particle emitter as are its decay products and has been indicted as a cause of excessive occurrence of lung cancer in uranium miners. Concern has been expressed at radon levels in some housing usually adjacent to granite rocks or old tin mining regions) |
radon |
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| rag (Discarded textile waste, either post-consumer waste or pre-consumer waste, such as manufacturing process scraps) |
tekstilavfall |
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| rail traffic (The movement and circulation of vehicles transporting goods and people on railroad systems) |
jernbanetrafikk |
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| rail transport (Transportation of goods and persons by railway) |
jernbanetransport |
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| railroad vehicle |
skinnegående kjøretøy |
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| railway (A permanent track composed of a line of parallel metal rails fixed to sleepers, for transport of passengers and goods in trains) |
jernbane |
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| railway network (The whole system of railway distribution in a country) |
jernbanenett |
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| railway station (A place along a route or line at which a train stops to pick up or let off passengers or goods, especially with ancillary buildings and services) |
jernbanestasjon |
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| rain (Precipitation in the form of liquid water drops with diameters greater than 0.5 millimeter) |
regn |
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| rain forest (A forest of broad-leaved, mainly evergreen, trees found in continually moist climates in the tropics, subtropics, and some parts of the temperate zones) |
regnskog |
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| rain water (Water which falls as rain from clouds) |
regnvann |
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| rain water sewer system (Channels for clearing away rain water) |
avløpssystem for regnvann |
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| rainout (Process by which particles in the atmosphere act as centres round which water can form drops which then falls as rain) |
kondensasjonskjerne |
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| raising a site (The building up of land by the deposition of allochthonous material, such as rocks, gravel, etc.) |
heving av byggeplass |
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| random test (Tests which do not always yield the same result when repeated under the same conditions) |
stikkprøve |
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| rape (A Eurasian cruciferous plant, Brassica napus, that is cultivated for its seeds, which yield a useful oil, and as a fodder plant; plant) |
raps |
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| rapid test (Tests performed in the medical field whose results are available very quickly) |
hurtigprøving |
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