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| Terms for subject Environment (21507 entries) |
| hydrobromofluorocarbon | hidrobromofluorocarburo | |
| hydrocarbon (A very large group of chemical compounds composed only of carbon and hydrogen) | hidrocarburos | |
| hydrocarbon | hidrocarburos | |
| hydrocarbon analyser | analizador de hidrocarburos | |
| hydrocarbon analysis | análisis de hidrocarburos | |
| hydrocarbon analyzer | analizador de hidrocarburos | |
| hydrocarbon index by type | índice de hidrocarburos por familias | |
| hydrocarbon mixture | mezcla de hidrocarburos | |
| hydrocarbon storage tank (A container or a reservoir for the storage of hydrocarbons) | tanque de almacenamiento de hidrocarburo | |
| hydrocarbon storage tank | tanque de almacenamiento de hidrocarburo | |
| hydrochloric acid (A solution of hydrogen chloride gas in water; a poisonous, pungent liquid forming a constant-boiling mixture at 20% concentration in water; widely used as a reagent, in organic synthesis, in acidizing oil wells, ore reduction, food processing, and metal cleaning and pickling. Also known as muriatic acid, HCl) | acido clorhídrico | |
| hydrochloric acid | acido clorhídrico | |
| hydrochloric acid | ácido clorhidrico, | |
| hydrochlorofluorocarbon | compuesto hidroclorofluorocarburado | |
| hydrochlorofluorocarbon | hidroclorofluorocarburo | |
| hydrochlorofluorocarbon-22 | refrigerante 22 | |
| hydrochlorofluorocarbon-22 | propulsante 22 | |
| hydroculture (Growing plants without soil but in sand or vermiculite or other granular material, using a liquid solution of nutrients to feed them) | agricultura de riego | |
| hydrodynamic numerical exercise | ejercicio numérico hidrodinámico | |
| hydroelectric energy (The free renewable source of energy provided by falling water that drives the turbines. Hydropower is the most important of the regenerable energy sources because of its highest efficiency at the energy conversion. There are two types of hydroelectric power plants: 1. run-of-river power plants for the use of affluent water; 2. storage power plants (power stations with reservoir) where the influx can be regulated with the help of a reservoir. Mostly greater differences in altitudes are being used, like mountain creeks. Power stations with reservoirs are generally marked by barrages with earth fill dam or concrete dams. Though hydropower generally can be called environmentally acceptable, there exist also some problems: 1. change of groundwater level and fill up of the river bed with rubble. 2. Risk of dam breaks. 3. Great demand for land space for the reservoir. 4. Diminution, but partly also increase of value of recreation areas. As the hydropowers of the world are limited,the world energy demand however is rising, finally the share of hydropower will decrease) | energía hidroeléctrica |