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Terms for subject Environment (6786 entries)
alkaline battery (A primary cell that uses an alkaline electrolyte, usually potassium hydroxide, and delivers about 1.5 volts at much higher current rates than the common carbon-zinc cell. Also known as alkaline-manganese cell) alkalīna baterijas
alkane (Paraffins. A homologous series of saturated hydrocarbons having the general formula CnH2n+2. Their systematic names end in -ane. They are chemically inert, stable, and flammable. The first four members of the series (methane, ethane, propane, butane) are gases at ordinary temperatures; the next eleven are liquids, and form the main constituents of paraffin oil; the higher members are solids. Paraffin waxs consists mainly of higher alkanes) alkāns
alkyl compound (Compound containing one or more alkyl radicals) alkila savienojums
all-terrain vehicle (A land carriage so constructed that it can be used on any kind of road or rough terrain and can be operated for many purposes, such as carrying goods, transporting the injured, conveying passengers, etc.) visurgājējs
allergen (Any antigen, such as pollen, a drug, or food, that induces an allergic state in humans or animals) alergēni
allergy (A condition of abnormal sensitivity in certain individuals to contact with substances such as proteins, pollens, bacteria, and certain foods. This contact may result in exaggerated physiologic responses such as hay fever, asthma, and in severe enough situations, anaphylactic shock) alerģija
allocation (The assignment or allotment of resources to various uses in accord with a stated goal or policy) piešķiršana
allocation (The assignment or allotment of resources to various uses in accord with a stated goal or policy) sadale
allocation plan (The formulation and application of such measures as laws, economic plans, urbanism, etc., to ensure a balance between the population's needs and the country's resources) piešķiršanas, sadales plāns
allowance pabalsts
allowance atlaide
alloy (Any of a large number of substances having metallic properties and consisting of two or more elements; with few exceptions, the components are usually metallic elements) sakausējums
alluvial plain (A level or gently sloping tract or a slightly undulating land surface produced by extensive deposition of alluvium, usually adjacent to a river that periodically overflows its banks; it may be situated on a flood plain, a delta, or an alluvial fan) aluviāls līdzenums
alluvion (An overflowing; an inundation or flood, especially when the water is charged with much suspended material) saneši
alpha radiation (A stream of alpha particles which are ejected from many radioactive substances having a penetrating power of a few cm in air but can be stopped by a thin piece of paper) alfa starojums
alternative material (Materials employed in the place of others which are more dangerous for the environment, such as phosphate substitutes in detergents) alternatīvie materiāli
alternative technology (Technology that, as an alternative to resource-intensive and wasteful industry, aims to utilize resources sparingly, with minimum damage to the environment, at affordable cost and with a possible degree of control over the processes) alternatīvās tehnoloģijas
altitude (1. In general, a term used to describe a topographic eminence. 2. A specific altitude or height above a given level. 3. In surveying, the term refers to the angle between the horizontal and a point at a higher level) augstums
alumina (A natural or synthetic oxide of aluminum widely distributed in nature, often found as a constituent part of clays, feldspars, micas and other minerals, and as a major component of bauxite) alumīnija oksīds
aluminium (A light white metal, ductile and malleable, and a good conductor of electricity. It occurs widely in nature in clays and is the third most abundant element in the Earth's crust. It is extracted mainly from bauxite by electrolysis of a molten mixture of purified bauxite and cryolite. The metal and its alloys are used for aircraft, cooking utensils, electrical apparatus, and for many other purposes where its light weight is an advantage. Aluminium became implicated as an environmental health hazard in the 1980s on two counts. Biomedical scientists looking for possible causes of Alzheimer's disease, the premature senility indicated by loss of memory and confusion, found a circumstantial link with aluminium. The theory is a controversial one, Al) alumīnijs