| hydrofluorocarbon |
hidrofluorocarbură |
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| hydrofluorocarbon-23 |
trifluormetan |
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| hydrofluorocarbon-23 |
fluoroform |
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| hydrogen (A flammable colourless gas that is the lightest and most abundant element in the universe. It occurs mainly in water and in most organic compounds and is used in the production of ammonia and other chemicals, in the hydrogenation of fats and oils, and in welding) |
hidrogen |
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| hydrogen sulphide (Flammable, poisonous gas with characteristic odour of rotten eggs, perceptible in air in a dilution of 0.002 mg/l. It is used as a reagent in chemical analysis; extremely hazardous; collapse, coma and death from respiratory failure may come within a few seconds after one or two inspirations; low concentrations produce irritation of conjunctiva and mucous membranes. Headache, dizziness, nausea, lassitude may appear after exposure, H2S) |
hidrogen sulfurat |
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| hydrogeology (The science dealing with the occurrence of surface and ground water, its utilization, and its functions in modifying the earth, primarily by erosion and deposition) |
hidrogeologie |
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| hydrographic basin (1. The drainage basin of a stream. 2. An area occupied by a lake and its drainage basin) |
bazin hidrografic |
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| hydrographic network (The configuration or arrangement in plan view of the natural stream courses in an area. It is related to local geologic and geomorphologic features and history. Synonym: drainage pattern) |
reţea hidrografică |
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| hydrography (Science which deals with the measurement and description of the physical features of the oceans, lakes, rivers, and their adjoining coastal areas, with particular reference to their control and utilization) |
hidrografie |
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| hydrologic balance (An accounting of the inflow to, outflow from, and storage in a hydrologic unit such as a drainage basin, aquifer, soil zone, lake or reservoir; the relationship between evaporation, precipitation, runoff, and the change in water storage) |
echilibru hidrologic |
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| hydrologic cycle (The movement of water between the oceans, ground surface and atmosphere by evaporation, precipitation and the activity of living organisms, as one of the mayor biogeochemical cycles. Each day water evaporates from the oceans and is carried in the air from the sea over the land, which receives it as precipitation, and finally returns from the land to the sea through rivers, thus completing the cycle) |
ciclu hidrologic |
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| hydrologic disaster (Violent, sudden and destructive change either in the quality of the earth's water or in the distribution or movement of water on land, below the surface or in the atmosphere) |
dezastru hidrologic |
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| hydrologic flow (The characteristic behaviour and the total quantity of water involved in a drainage basin, determined by measuring such quantities as rainfall, surface and subsurface storage and flow, and evapotranspiration) |
regim hidric |
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| hydrology (The science that treats the occurrence, circulation, distribution, and properties of the waters of the earth, and their reaction with the environment) |
hidrologie |
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| hydrolysis (1. Decomposition or alteration of a chemical substance by water. 2. In aqueous solutions of electrolytes, the reactions of cations with water to produce a weak base or of anions to produce a weak acid) |
hidroliză |
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| hydrometeorology (That part of meteorology of direct concern to hydrologic problems, particularly to flood control, hydroelectric power, irrigation, and similar fields of engineering and water resource) |
hidrometeorologie |
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| hydrometry (The science and technology of measuring specific gravities, particularly of liquids) |
hidrometrie |
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| hydrosphere (The waters of the Earth, as distinguished from the rocks (lithosphere), living things (biosphere), and the air (atmosphere). Includes the waters of the ocean; rivers, lakes, and other bodies of surface water in liquid form on the continents; snow, ice, and glaciers; and liquid water, ice, and water vapour in both the unsaturated and saturated zones below the land surface. Included by some, but excluded by others, is water in the atmosphere , which includes water vapour, clouds, and all forms of precipitation while still in the atmosphere) |
hidrosferă |
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| hygiene (The science that deals with the principles and practices of good health) |
igienă |
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| hymenopteran (Insects including bees, wasps, ants, and sawflies, having two pair of membranous wings and an ovipositor specialized for stinging, sawing or piercing) |
himenopteră |
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