| orkāns |
hurricane (A tropical cyclone of great intensity; any wind reaching a speed of more than 73 miles per hour (117 kilometers per hour) is said to have hurricane force) |
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| ornitofauna |
avifauna (All the birds in a particular region) |
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| ornitoloģija |
ornithology (The branch of zoology that deals with the study of birds, including their physiology, classification, ecology, and behaviour) |
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| orogrāfija |
orography (A rarely used word referring to the study of mountain systems and the depiction of their relief) |
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| Oslo un Parīze |
Oslo-Paris |
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| osmoze |
osmosis (The passage of a solvent through a semipermeable membrane separating two solutions of different concentrations. A semipermeable membrane is one through which the molecules of a solvent can pass but the molecules of most solutes cannot. There is a thermodynamic tendency for solutions separated by such a membrane to become equal in concentration, the water (or other solvent) flowing from the weaker to the stronger solution. Osmosis will stop when the two solutions reach equal concentration, and can also be stopped by applying a pressure to the liquid on the stronger-solution side of the membrane. The pressure required to stop the flow from a pure solvent into a solution is a characteristic of the solution, and is called the osmotic pressure. Osmotic pressure depends only on the concentration of particles in the solution, not on their nature) |
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| OSPAR komisija |
OSPAR Commission |
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| osta |
harbour (Area of water next to the coast, often surrounded by thick walls, where ships and boats can be sheltered) |
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| otrās paaudzes biodegviela |
second generation biofuel |
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| otrreizējai izmantošanai pārstrādājams materiāls no transportlīdzekļu riepām |
scrap tyre (Recyclable material from discarded motor vehicle tyres) |
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| ozols |
oak (Any tree of the genus Quercus in the order Fagales, characterized by simple, usually lobed leaves, scaly winter buds, a star-shaped pith, and its fruit, the acorn, which is a nut; the wood is tough, hard, and durable, generally having a distinct pattern) |
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| ozonēšana |
ozonization (The process of treating, impregnating or combining with ozone) |
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| ozona noārdīšanas potenciāls |
ozone-depleting potential |
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| ozona noārdīšanas potenciāls |
ozone-depletion potential |
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| ozona noplicināšanas spēja |
ozone depletion potential (A factor that reflects the ozone depletion potential of a substance, on a mass per kilogram basis, as compared to chlorofluorocarbon-11 (CFC-11). Such factor shall be based upon the substance's atmospheric life time, the molecular weight of bromine and chlorine, and the substance's ability to be photolytically disassociated, and upon other factors determined to be an accurate measure of relative ozone depletion potential) |
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| ozona slāņa izsīkums |
ozone layer depletion (The fragile shield of ozone is been damaged by chemicals released on earth. The main chemicals that are depleting stratospheric ozone are chlorofluorocarbons which are used in refrigerators, aerosols, and as cleaners in many industries, and halons, which are used in fire extinguishers. The damage is caused when these chemicals release highly reactive forms of chlorine and bromine. Over the past 30 years ozone levels over parts of Antarctica have dropped by almost 40% during some months and a "hole" in ozone concentrations is clearly visible in satellite observations) |
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| ozona slāni noārdoša viela |
ozone killer |
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| ozona slāni noārdoša viela |
ozone-depleting substance |
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| ozona slāni noārdoša viela |
substance that depletes the ozone layer |
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| ozona slānis |
ozone layer (The general stratum of the upper atmosphere in which there is an appreciable ozone concentration and in which ozone plays an important part in the radiative balance of the atmosphere) |
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