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Terms for subject Environment (7060 entries)
عنصر في المجموعة صفر element of group 0 (A group of monatomic gaseous elements forming group 18 (formerly group 0) of the periodic table: helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and radon (Rn))
عنصر في المجموعة 6 element of group (Group VI consists of two subgroups: group VIb, the main group, and group VIa. Group VIa consists of chromium, molybdenum, and tungsten. The main group consists of oxygen, sulphur, selenium, tellurium, and polonium)
عنصر في المجموعة 7 element of group (Any of the elements of the halogen family, consisting of fluorine, chlorine, bromine, iodine, and astatine)
عنصر في الوقود النووي nuclear fuel element (A piece of nuclear fuel which has been formed and coated, and is ready to be placed in a reactor fuel assembly)
عنصر كيميائي chemical element (elements and their compounds ; A substance made up of atoms with the same atomic number; common examples are hydrogen, gold, and iron)
عنصر مشع radioelement (An element that is naturally radioactive)
عنكبوت spider (Any predatory silk-producing arachnid of the order Araneae, having four pairs of legs and a rounded unsegmented body consisting of abdomen and cephalothorax)
عوامة احتواء النفط oil boom (A floating device used to contain oil on a body of water. Once the boom has been inflated, it is towed downwind of the oil slick and formed into a U-shape; under the influence of wind, the oil becomes trapped within the boom. Skimming equipment travels into the boom enclosure and the oil is pumped into containers)
عوامل إيكولوجية (أى بيئية) ecological factors
عوامل الموقع site factors
عوامل بيئية environmental factors
عوامل خارجية مؤثرة على البيئة environmental externality
عوامل خارجية مؤثرة على البيئة ecosystem externality
عيش الغراب mushroom (A family of Basidiomycetes that are characterized by the production of spores on gills)
عَرض exhibit (A display of an object or collection of objects for general dissemination of information, aesthetic value or entertainment)
عَرَض إكلينيكي clinical symptom (Any objective evidence of disease or of a patient's condition founded on clinical observation)
عَقد contract (An agreement between two or more persons which creates an obligation to do or not to do a particular thing. Its essential are competent parties, subject matter, a legal consideration, mutuality of agreement, and mutuality of obligation)
عَلَم الملاءمة flag of convenience (Practice of registering a merchant vessel with a country that has favourable (i.e. less restrictive ) safety requirements, registration fees, etc.)
عَوْن آلي automatic aid
عُرى النار bays of a fire

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