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)

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Terms for subject Environment (23394 entries)

rainout (Process by which particles in the atmosphere act as centres round which water can form drops which then falls as rain)	rainout
rainout	chuva radioativa
rainout	lavagem pela chuva
rainout	rainout
rainwater	águas da chuva
raising a site (The building up of land by the deposition of allochthonous material, such as rocks, gravel, etc.)	construção de obra
raising a site	construção de obra
raising a site	elevação de terreno
ram extractor	extrator de êmbolo
Ramsar Convention	Convenção relativa às zonas húmidas de importância internacional, em especial como habitat de aves aquáticas
Ramsar Convention	Convenção de Ramsar
Ramsar Convention	convenção de Ramsar
Ramsar Convention	Convenção sobre Zonas Húmidas de Importância Internacional especialmente como Habitat de Aves Aquáticas
Ramsar Convention	Convenção de Ramsar sobre as Zonas Húmidas
random test (Tests which do not always yield the same result when repeated under the same conditions)	testes aleatórios
random test	ensaio aleatório
random test	testes aleatórios
range in the wild	área de distribuição natural
range in the wild	distribuição natural
range of distribution	área de repartição