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OIL AND GAS FIELDS, areas of sedimentary layers, rarer crystalline crust rocks containing one or several industrial oil‑and‑gas reservoirs. There are geological and recoverable reserves. By contiguity to geol. structures, there are structural (arched), lithological and reef reservoirs. By presence of...

OFFICIAL LANGUAGE, a language that performs an integrative function within the framework of a given state within its political, social and cultural spheres. The Constitution of the RF (Art. 68) and the Law of the RF On Languages of the Peoples of the Russian Federation of October 25th, 1991, (ed. December...

ODK–UFA MOTOR­BUILDING PRODUCTION ASSOCIATION, OAO. The largest manufacturer of aircraft engines in RF. It develops, manufactures and repairs gas turbine engines for military aviation, helicopter units; manufactures equipment for oil and gas industry, etc. It has the following branches: OKB named after...

ODINOKOV, Viktor Nikolayevich (b.22.12.1937 in Klin), Organic Chemist. Associate Member of the AS RB (1991), D.Sci. (Chemical Sciences) (1981), Full Professor (1984). Merited Master of Sciences of the RF (1998), BASSR (1987). Graduated from the Moscow Chemical Technology Institute (1960). Since 1970...

OCCUPATIONAL MEDICINE AND HUMAN ECOLOGY INSTITUTE, a research institute in Ufa, a federal state‑financed scientific institution. Established in 1955. Main activities: research work in top‑priority fields of occupational health science, improvement of ambient and industrial environment monitoring methods...

OBSHCHIY SYRT, upland in the SE of the East European Plain. It extends in the territory of Saratov, Samara and Orenburg oblasts; within the territory of the RB, to the south from the Belebey Upland, there are extreme northern spurs of O.S. Length — approx. 500 km, abs. alt. — 405 m (Medvezhy Lob). The...

OBOLENTSEV, Roman Dmitriyevich (1.11.1906, Selo Alekseevka of Kharkov Gub. – 27.10.1968, Kiev), Petrochemist. D.Sci. (Chemical Sciences) (1951), Full Professor (1953). Merited Master of Sciences of the RSFSR (1964), of the BASSR (1957). Graduated from the Leningrad State University (1936). Between 1951–68...

OBJECTS OF CULTURAL HERITAGE, historical and cultural monuments, real estate objects of value, deemed to have connection with history, archaeology, archi­tecture, urban development, fine art, science and technology, aesthetics, ethnology, anthropology and which are sources of information about the origin...