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| Terms for subject Environment (5171 entries) |
| fotokjemisk middel | photochemical agent (Agents which trigger off photochemical reactions) | |
| fotokjemisk oksidant | photochemical oxidant (Any of the chemicals which enter into oxidation reactions in the presence of light or other radiant energy) | |
| fotokjemisk reaksjon | photochemical reaction (Chemical reaction which is initiated by light of a specific wavelength. In an environmental context an example is the potential action of ultraviolet light on CFCs which may bring about the detrimental degradation of the ozone layer. Photochemical reactions initiate the process of photosynthesis in which plants convert carbon dioxide into sugars, which are incorporated into cell materials) | |
| fotokjemisk smog | photochemical smog (A combination of fog and chemicals that come from automobile and factory emissions and is acted upon by the action of the sun. Nitrogen dioxide, in the presence of the sun and some hydrocarbons, is turned into nitric oxide and atomic oxygen. The atomic oxygen reacts with the oxygen molecules and other constituents of automobile exhaust fumes to form a variety of products including ozone. The ozone is harmful in itself and is also implicated in a highly complex series of continuing reactions. As long as there is ozone or nitrogen dioxide and sunlight present, other undesirable reactions will occur) | |
| fotosyntese | photosynthesis (The process by which plants transform carbon dioxide and water into carbohydrates and other compounds, using energy from the sun captured by chlorophyll in the plant. Oxygen is a by-product of the process. Photosynthesis is the essence of all plant life (autotrophic production) and hence of all animal life (heterotrophic production) on the planet Earth. The rate of photosynthesis depends on climate, intensity and duration of sunlight, available leaf area, soil nutrient availability, temperature, carbon dioxide concentration, and soil moisture regimes) | |
| fraluft | waste air (Exhaust or gaseous air given off by any industrial, manufacturing or chemical process) | |
| fraluftsrensing | waste air purification (gas) | |
| fredsbevaring | peacekeeping (The activities to prevent, contain, moderate and/or terminate the hostilities between or within States, through the medium of an impartial third party intervention, organised and directed internationally. This intervention is conducted using military forces, police and civilians with the consent of the main belligerents, to complement the diplomatic conflict resolution process and, to restore and maintain peace) | |
| fremdriftsteknikk | propulsion technique (Technique for causing a body to move by exerting a force against it) | |
| fremmed organisme | exotic species (Plants, animals or microorganisms which are introduced by humans into areas where they are not native. Exotics are often associated with negative ecological consequences for native species and the ecosystems) | |
| fremtidige generasjoners rettigheter | rights of future generations (The moral, legal or ethical claims of posterity on present people, based on the recognition that the young and unborn are vulnerable to contemporary decision-making, especially decisions having long-term effect on the societies and environment they inherit) | |
| freon | freon (Trade name for a group of polyhalogenated hydrocarbons containing fluorine and chlorine; an example is trichlorofluoromethane) | |
| fri kapitalbevegelse | free movement of capital (The unrestrained flow of cash, funds, and other means of wealth between countries with different currencies) | |
| frigjøring | emancipation (The state of being free from social or political restraint or from the inhibition of moral or social conventions) | |
| frihandel | free trade (Trade which is unimpeded by tariffs, import and export quotas and other measures which obstruct the free movement of goods and services between states) | |
| frihet | freedom (The quality or state of being free, especially to enjoy political and civil liberties) | |
| fritid | leisure time (Time free from work or other duties; spare time) | |
| fritidsaktivitet | leisure activity (Sports and recreational activities carried out in the time free from work or other duties) | |
| fritidsfiske | angling (The art or sport of catching fish with a rod and line and a baited hook or other lure, such as a fly) | |
| fritidsområde | recreational area (A piece of publicly owned land, especially in a town, used for sports and games) |