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Terms for subject Environment (5878 entries)
اختبار test (To carry out an examination on (a substance, material, or system) by applying some chemical or physical procedure designed to indicate the presence of a substance or the possession of a property)
اختبار أميس Ames test (A bioassay developed by Bruce N. Ames in 1974, performed on bacteria to assess the capability of environmental chemicals to cause mutations)
اختبار الاستطفار mutagenicity testing (Testing the property of a substance of being able to induce genetic mutation)
اختبار السمية الطبيعية toxicological testing (Test for the determination of the inherent toxicity of a chemical)
اختبار المناعة immunoassay (Any of several methods for the quantitative determination of chemical substances such as hormones, drugs, and certain proteins that utilize the highly specific binding between an antigen and an antibody)
اختبار المواد testing of materials (The complex of tests performed in order to ascertain the characteristics and behaviour of materials; they are classified in physical and chemical tests, mechanical tests and technological tests)
اختبار المواد الكيماوية testing of chemicals (The determination of the efficacy and the toxicity of chemical products)
اختبار حيوي biological test (The laboratory determination of the effects of substances upon specific living organisms)
اختبار سريع rapid test (Tests performed in the medical field whose results are available very quickly)
اختبار عشوائي random test (Tests which do not always yield the same result when repeated under the same conditions)
اختبار في مادة حية in vivo assay (Experiments that are carried out in the living organism)
اختبار قابلية السرطنة carcinogenicity test (Test for assessing if a chemical or physical agent increases the risk of cancer. The three major ways of testing for carcinogens are animals tests, epidemiological studies and bacterial tests)
اختبار معملي laboratory test (Tests, examinations or evaluations performed in a laboratory)
اختبار معملي - اختبار في الأنابيب in vitro assay (Assay taking place in an artificial environment)
اختبار مقارن comparative test (Tests conducted to determine whether one procedure is better than another)
اختبار منتجات حماية النبات testing of plant protection products (Tests performed to establish the effectiveness of pesticides under a wide variety of climatic and other environmental conditions; to assess the possible side effects on animals, plants and humans and to determine the persistence of pesticide residues in the environment)
اختبار نووي nuclear test (Test performed to evaluate nuclear weapons)
اختزال كيميائي chemical reduction (Chemical reaction in which an element gains an electron)
اختلاجات أرضية bradyseism (A long-continued, extremely slow vertical instability of the crust, as in the volcanic district west of Naples, Italy, where the Phlegraean bradyseism has involved up-and-down movements between 6 m below sea level and 6 m above over a period of more than 2.000 years)
اختناق مروري traffic jam (A number of vehicles so obstructed that they can scarcely move)