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| Terms for subject Environment (5949 entries) |
| hidrokarburo aromatiko polizikliko | polycyclic aromatic hydrocarbon (Hydrocarbons containing two or more closed rings of atoms) | |
| hidrokarburo halogenatu | halogenated hydrocarbon (One of a group of halogen derivatives of organic hydrogen and carbon containing compounds; the group includes monohalogen compounds (alkyl or aryl halides) and polyhalogen compounds that contain the same or different halogen atoms) | |
| hidrokarburo kloratu | chlorinated hydrocarbon (A class of persistent, broad-spectrum insecticides that linger in the environment and accumulate in the food chain. Among them are DDT, aldrin, dieldrin, heptachlor, chlordane, lindane, endrin, mirex, hexachloride, and toxaphene. In insects and other animals these compounds act primarily on the central nervous system. They also become concentrated in the fats of organisms and thus tend to produce fatty infiltration of the heart and fatty degeneration of the liver in vertebrates. In fishes they have the effect of preventing oxygen uptake, causing suffocation. They are also known to slow the rate of photosynthesis in plants. Their danger to the ecosystem resides in their rate stability and the fact that they are broad-spectrum poisons which are very mobile because of their propensity to stick to dust particles and evaporate with water into the atmosphere) | |
| hidrokarburo polizikliko | polycyclic hydrocarbon (Hydrocarbon molecule with two or more nuclei; examples are naphtalene, with two benzene rings side by side, or diphenyl, with two bond-connected benzene rings. Also known as polynuclear hydrocarbon) | |
| hidrokarburo-tanga | hydrocarbon storage tank (A container or a reservoir for the storage of hydrocarbons) | |
| hidrolisi | 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) | |
| hidrologia | hydrology (The science that treats the occurrence, circulation, distribution, and properties of the waters of the earth, and their reaction with the environment) | |
| hidrometeorologia | 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) | |
| hidrometria | hydrometry (The science and technology of measuring specific gravities, particularly of liquids) | |
| hidrosfera | 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) | |
| Hies | AIDS (aquired immune deficiency syndrome; The acquired immunodeficiency syndrome is caused by HIV-virus manifested by opportunistic infections and/or malignancies, and the mortality rate is very high. The syndrome results from a breakdown of the body's disease-fighting mechanism that leaves it defenceless against infections, such as pulmonary tuberculosis, Pneumocystis pneumonia, certain blood infections, candidiasis, invasive cervical cancer, Kaposi's sarcoma or any of over 20 other indicator diseases. No effective treatment is available. A striking feature of AIDS is the wide spectrum and frequency of infections with life-threatening pathogens seldom seen in normal hosts. The illness may begin with insidious signs and symptoms, and the process may be more diffuse than when the same conditions are seen in other immune-compromised patients. Four patterns of disease occur in AIDS patients. The pulmonary pattern, the central nervous system pattern, the gastrointestinal pattern, and the pattern of fever of unknown origin. Most patientswho recover from a given opportunistic infection subsequently either have a relapse or develop a new type of infection. Many patients continue to have a wasting syndrome and experience such infections as oral thrush. Feelings of depression and isolation are common among AIDS patients and can be intensified if health care workers display fear of the syndrome) | |
| higadura | erosion (The general process or the group of processes whereby the materials of Earth's crust are loosened , dissolved, or worn away and simultaneously moved from one place to another, by natural agencies, which include weathering, solution, corrosion, and transportation, but usually exclude mass wasting) | |
| higadura-kontrol | erosion control (Practices used during construction or other land disturbing activities to reduce or prevent soil erosion. Typical practices include planting of trees and quick growing grass on disturbed areas and other means to slow the movement of water across a disturbed site and trap the soil that does get transported by runoff) | |
| higiene | hygiene (The science that deals with the principles and practices of good health) | |
| higiene-ontziak | sanitary fitting (The set of furnishings designed for personal hygiene and the disposal of organic waste) | |
| higiezinen errentamendu | estate rental (The service provided by an owner agreeing to grant the temporary possession of specific housing in return for the payment of rent from the tenant) | |
| hiliki-ezabaketa | carcass disposal (The disposal of slaughtered animals, other dead animal bodies and animal body parts after removal of the offal products) | |
| hiltegi | slaughterhouse (A place where animals are butchered for food) | |
| hiltegiko hondakin | slaughterhouse waste (Animal body parts cut off in the preparation of carcasses for use as food. This waste can come from several sources including slaughterhouses, restaurants, stores and farms) | |
| hiltegirako abere | animal for slaughter (Animals bred and killed for the production of food) |