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| Terms for subject Environment (21638 entries) |
| radiação policromática | polychromatic radiation | |
| radiação solar | solar radiation (The electromagnetic radiation and particles emitted by the sun) | |
| radiação ultravioleta | ultraviolet radiation (The part of the electromagnetic spectrum with wavelengths shorter than light but longer than x-rays; in the range of 4-400 nm) | |
| radiação ultravioleta solar | ultraviolet radiation | |
| radiação ultravioleta solar | ultraviolet solar radiation | |
| radiação UV-B | UV-B radiation | |
| radiações | radiation (Emission of any rays from either natural or man-made origins, such as radio waves, the sun's rays, medical X-rays and the fall-out and nuclear wastes produced by nuclear weapons and nuclear energy production. Radiation is usually divided between non-ionizing radiation, such as thermal radiation (heat) and light, and nuclear radiation. Non-ionizing radiation includes ultraviolet radiation from the sun which, although it can damage cells and tissues, does not involve the ionization events of nuclear radiation) | |
| radical hidroperóxido | hydroperoxy radical | |
| radical hidróxilo | free hydroxyl radical | |
| radical hidróxilo | hydroxyl radical | |
| radical hidróxilo | hydroxyl-radical | |
| rádio | radio (The process, equipment or programming involved in transmitting and receiving sound signals by electromagnetic waves) | |
| radioactividade | 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) | |
| radioactividade natural | natural radioactivity (Radiation stemming mainly from uranium, present in small amounts in many rocks, soils, building material, etc.) | |
| radioecologia | radiation ecology | |
| radioecologia | radioecology | |
| radioecologia | radio-ecology | |
| radiómetro de micro-ondas passivo | passive microwave radiometer | |
| radionuclídeos | radionuclide (A nuclide that exhibits radioactivity) | |
| raineta | tree-frog |