INFINITE SERIES, see. A number.

CONTACTLESS INSTRUMENTATION, electrotechnical and electronic devices, in which switching of electric circuits (their short circuit, disconnection, switching), and also transformation of a current or pressure implement without a mechanic breakage of circuits.

The GREAT AUK exterminated (in 19 century) not volant bird of a set of auks. Length up to 70 see. Dwelt on Atlantic a shore of Europe and the Sowing. America.

WINGLESS, the same, that kivi.

BESLAN, city (with 1950) in the Russian Federation, the Sowing. Ossetia. A railway junction. 32,3 thousand inhabitants (1991). Corn combine; factories: electromechanical, "Autospecial equipment".

EVIL SPIRITS Oleg Vladimirovich (r. 1933), the Russian mathematician, corresponding member of the Russian Academy of Science (1991; corresponding member AN the USSR with 1990). Transactionses on a function theory. The state premium of the USSR (1977).

ADACTYLOUS Ivan (?-1718), the hetman of the Ukrainian rebels 1658-59 battling together with Russian troops against the adherent Polish shljahty I.Vygovskogo.

NON-FLAME BLASTING, firing method with use of special cartridges (napr., a cardox, erdoks), keeping highly compressed non-flammable or plamegasjashchy gas. It is applied to breaking ground of rocks in shafts, gas-hazardous and a dust.

CHARGE-FREE MUSICAL SCHOOL, musical - educational organization (1862-1917). It is based in Saint Petersburg G.J.Lomakinym (its director up to 1868) and M.A.Balakirevym (the director in 1868-1873 and 1881-1908). Afterwards her headed N.A.Rimskij-Korsakov, S.M.Lyapunov.

STERILITY, disability of a mature organism to beget. For the person sterile it is considered spoilage at which pregnancy does not occur during 2 flying of sexual life without application of a means of contraception. The causes of a sterility: absence of alive spermatozoons in a seed, anomalies of a structure and inflammatory diseases of sexual organs (napr., an endometritis, an adnexitis), endokrinopatii, etc.

INVERTEBRATA, animal, not having a backbone: Protozoa, sponges, Coelenterata, sea-worms, mollusks, arthropods, Echinodermata, etc.; approximately 3/4 kinds of all animal.

ASEXUAL REPRODUCTION, the reproduction of organisms defined by absence of sexual process and descending without sharing of sexual cells. Implements by a schizogony, in the form of a vegetative reproduction, and also with the help of professional educations - spores, etc. The Asexual reproduction routinely alternates with a sexual reproduction.

BESPOPOVTSY, one of flows staroobrjadchestva. Deny priests and a number of ordinances. Is present it is a little bit explanatory (pomortsy, fedoseevtsy, filippovtsy, netovshchina, etc.).

POINTLESS ART, see. The abstract art.

BESPROZVANNYJ Israel Moiseevich (1884-1954), Russian metalloved. Transactionses are developmental theories of cutting of metal. Has offered (1951) method of definition of steadfastness of a cutting tool, has placed rational parameters of the cutting end. The state premium of the USSR (1944).

BESSARABIA, historical range between rr. Dnestr and Prut (nowadays a main body of terrain of Moldova and an austral part of the Odessa region). In 10-11 centuries in the Kiev Russia, then in the Galitsko-Volynsk principality. Since 14 century in the Moldavian principality, with nach. 16 century under an authority of Turkey. With 1812 in Russian empire. In 1918-40 in structure of Romania.

BESSARABOV Igor Viktorovich (1919-93), the Russian film director, the operator, the national actor of Russia (1982). Has delivered films: " Children of our eyelid " (1972), " the Story about the communist " (1976, together with A.S.Kochetkovym), " the Refractory position to be the revolutionary " (1982), etc. The Lenin premium (1978), the State premium of the USSR (1951).

BESSARABOVA Natalia Ivanovna (1895-1981), the Russian artist - keramist. Promoted revitalization gzhelskoj ceramics and skopinskoj ceramics, creating on the basis of traditions ware and a sculpture from porcelain, majolicas, terra-cotta.

BESSEL (Bessel) Fridrih Wilhelm (1784-1846), the german astronomer and the geodesist, the foreign honorary member Petersburg AN (1814). Has created the theory and methods of the count tool and personal errors at astronomical supervision, one of first has measured a sidereal paralax (1838), has defined elements of an earth spheroid which used ok. 100 flying. Probeed the functions called as his name.

BESSEL an EQUATION, a special kind a differential equation in which result many physical and technical problems in cylindrical axials. Solutions of a Bessel of an equation call as cylindrical functions, which particular case - cylindrical functionses.