LAKRUA (Lacroix) Alfred (1863-1948), the French geologist, foreign corresponding member Petersburg AN (1909), foreign honorary member AN the USSR (1925). Transactionses on theoretical and regional mineralogy, petrography and a volcanology.

LAKRUA Jean (1900-86), the French philosopher, the representative personalizma.

LAKS (Lax) Peter Dejvid (r. 1926), the American mathematician, the foreign member of the Russian Academy of Science (1991; foreign member AN the USSR with 1988). Transactionses on a functional analysis and calculus mathematics.

LAKSKY the DRAMA THEATRE is based in 1935. Works in Makhachkala. Actors: M.M.Musaalaev, S.D.Ibragimova, S.M.Magomedov, G.D.Butaev, etc. Artistic administrator V.A.Efendiev (with 1989). Performances: " CHinarsky the manifest " A.V.Chhaidze (1988), " the Wolf wedding " K.Mazaeva (1993), etc.

LAKSKY TONGUE, falls into to the Caucasian (iberijsko-Caucasian) tongues (the Dagestan tongues). Writing on the basis of the Russian alphabet.

LAKSMAN Eric (Cyril) Gustavovich (1737-96), the Russian scientist and the traveller, the academician Petersburg AN (1770-81). Was born in Finland. With 1762 in Russia. Probeed Karelia, Vost. Siberia and Altai. Has offered new technology steklodelija, ways of obtaining of saltpeter, a common salt, etc.

LAKSNESS (Laxness; an ice-film. fam. - Gvjudjounsson, Gudjonsson) Hadldour Kiljan (r. 1902), the iceland writer. Social criticism, psychologism in novels " Salka the Cutting " (1931-32), " Do-it-yourself people " (1934-35) - about people of transactionses, the tetralogy " Light of the world " (1937-40) about destiny of the artist, the trilogy " the Iceland alloying basket " (1943-46) on themes of a national history, the satirical novel " Nuclear base " (1948). The autobiographical trilogy: " On a lawn for a native house " (1975), " I was young " (1976), " the Story about seven wise men " (1978). Plays. The international premium of the World (1952). The Nobel Prize (1955).

LAKT..., the LACTO... (from an armour. lac, a genitive epizooty lactis - milk), the part of the composite words meaning: relating milk (napr., a lactose).

LACTAMS, cyclic amides of carboxylic acids. Apply to obtaining polymers, napr. Caprolactam (n-4) - monomer in manufacture of polycaproamid. LAKTANTSY (Lactantius) Ljutsy TSely Firmian (ok. 240 - ok. 320), the Christian writer and the philosopher, the apologist. In 308-17 was teacher Krispa, the higher son of emperor Konstantin. Compositions - " Heavenly establishments ", " About creativity Bozhiem ", " About anger Bozhiem ", " About mors of persecutors of Christly church ".

LAKTATDEGIDROGENAZA, a ferment catalyzing reversible restoration of pyruvic acid up to milk acid during a glycolysis. Definition laktatdegidrogenazy in whey of blood of the person has diagnostic value.

LACTATION (from an armour. lacto - I foster milk), education of milk in mammary glands and periodic breeding of it. It is peculiar samkam mammals and to women. Starts after stems under action of hormones; if milk is not deduced from gland, the lactation ceases.

LAKTIONOV Alexander Ivanovich (1910-72), the Russian painter, the national artist of Russia (1969), the full member AH the USSR (1958). Conversations (" the Letter from front ", 1947) and portraits ("V.M.Komarov", 1967) differ is illusory precise drive of the object world. The state premium of the USSR (1948).

LAKTOBATSILLY, a stem of lactic asid bacteria. Are applied to obtaining sour-milk products and by manufacture of milk acid.

LACTOGENIC HORMONE, the same, that prolactin.

LACTOSE (lactose), the disaccharide derivated by residues of a glucose and galactose. Is less sweet, than a saccharose. It is contained only in milk of mammals and the person.

LACTONS, ether rings of carboxylic acids. Apply in organic synthesis, as odorous and medicinal substances (see, napr., the Coumarin? Propiolactone).

LACUNAS (from an armour. lacuna - a deepening, a hollow), 1) for animal and the person - the spaces between the organs, not having a natural wall; are filled in with a haemolymph or a lymph. 2) For the person - branched deepenings on a surface of an organ (napr., in almonds). 3) For plants - a sheet crack. 4) In linguistics and literary criticism - a gap, the skip, a missing place in the text.

LAKFIOL (wallflower), a subshrub of a set of a cruciferae family. In JUzh. Greeces, on islands Egejskogo in m. In a flower growing cultivate as a pot culture and in an open ground.

LUCKNOW, city in India, in a valley of Ganges, an administrative centre pieces. Uttar Pradesh. 1,6 million inhabitants (1991). Textile, impregnated-paper, metal-working, kozhevenno-boot, alimentary, a printing industry. Art handcrafts. University.

LAKTSY (varnishes, kazikumuhtsy), people in Dagestan (91,6 thousand person). In total in the Russian Federation 106 thousand person (1992). Tongue laksky. Believers - moslems - sunnity.