baber/WOPTO huggingface dataset:
Patent RU-2027554-C1 (RU)
Title: Working center
Inventor: ASKINAZI ABRAM E
IPC: B23B7/00
Filed: 1990-08-17
Granted: 1995-01-27
Abstract: FIELD: machine-tool construction. SUBSTANCE: working center has bedframe 3 mounted on post 1, carriage 5 mounted on front longitudinal guides 4 of bedframe 3 and spindle head 6 mounted on carriage 5. Bedframe 3 has upper transverse guides 11 carrying carriage 13 with transverse guides 14, whose bearing surfaces are disposed in parallel with axis of spindle 8. Support 17 is mounted on guides 14. EFFECT: simplified construction, increased efficiency and enhanced reliability in operation. 2 dwg
Patent RU-2017589-C1 (RU)
Title: Metal powder plant
Inventor: GOLUBKOV VALERIJ G
IPC: B22F9/10
Filed: 1991-01-09
Granted: 1994-08-15
Abstract: FIELD: mechanical engineering. SUBSTANCE: plant has a spraying chamber, a vacuum chamber with an induction melting furnace positioned above it, a slide gate mounted on the spraying chamber, guides, a powder collector fastened to a holder gate with an inner cylindrical bore, an annular groove and a through radial channel with an outlet hole on the outer surface of the holder. The plant also has a ceramic metal conduit located on the holder, a dispersing unit made in the form of a built-up atomizer with an annular nozzle, and a drive cylinder. An axial channel with radial holes is made in the rod of a drive cylinder. Holes are equidistantly circumferentially spaced on the rod in a plane perpendicular to its axis at a distance from the junction of the rod and the piston equal to the difference between the length of the rod end of the cylinder and the diameter of the radial hole. The annular part of the rod is connected to the holder. The axial channel is connected to the outlet hole on the outer surface. EFFECT: improved structure. 1 dwg
Patent RU-2015577-C1 (RU)
Title: Device for transmitting digital information in speech pauses
Inventor: POLKOVSKIJ IOSIF M
IPC: G10L19/02
Filed: 1991-03-05
Granted: 1994-06-30
Abstract: FIELD: electric communication engineering. SUBSTANCE: device permits to provide communication of digital information in speech pauses without destruction of integrity of digital information. EFFECT: improved truth of information to be transmitted. 2 dwg
Patent RU-2035077-C1 (RU)
Title: Plant for radiation treatment of loose materials
Inventor: KOMONOV VLADIMIR I
IPC: G21K5/00
Filed: 1991-03-19
Granted: 1995-05-10
Abstract: FIELD: radiation treatment of loose materials. SUBSTANCE: plant has protective body 1, radiation source 6 in storage 2, protective mobile plug 3, radiation chamber 7, support 8, drives 9-11. It is additionally provided with rotary bracket 14 with socket for attachment of chamber and with kinematic coupling of radiation chamber with immobile elements of body. Radiation chamber has central space to accommodate mobile radiation source. With rotation of bracket radiation chamber rotates about axis of radiation source and its own axis positioned at angle to radiation source axis. EFFECT: enhanced efficiency of treatment. 3 cl, 2 dwg
Patent RU-2040420-C1 (RU)
Title: Device for placing vehicle on rails
Inventor: KASYLKASOV ZHENYS MADYKENOVICH
IPC: B61K5/04
Filed: 1991-04-11
Granted: 1995-07-25
Abstract: FIELD: mine rail transport. SUBSTANCE: device for placing vehicle on rail has guide ski secured on shackle straddling rail head. Device has also additional guide ski connected with main ski with overlapping and provided with additional shackle. Additional shackle engages with side projections made on support, and support is secured on guide ski. EFFECT: enlarged operating capabilities. 2 dwg
Patent RU-2033468-C1 (RU)
Title: Method of manufacture of semifinished items from aluminium wrought alloys containing iron and zirconium
Inventor: GORBUNOV YURIJ A
IPC: C22F1/04
Filed: 1991-05-05
Granted: 1995-04-20
Abstract: FIELD: metallurgy. SUBSTANCE: the method provides for alloy casting at a cooling rate of 4 to 200 C/s, diffusion annealing and hot deformation at a temperature equal to 0.24 to 0.27 of the melting point of the double intermetallic phase of aluminium with zirconium according to the Celsius scale. EFFECT: facilitated procedure. 1 tbl
Patent RU-2017365-C1 (RU)
Title: Method for growing of oriental goat rue for seeds
Inventor: STEPANOV ALEKSANDR F
IPC: A01B79/02
Filed: 1991-05-12
Granted: 1994-08-15
Abstract: FIELD: agriculture. SUBSTANCE: method provides for sowing in interrow of biennial crop together with oriental goat rue. Biennial crop ripens simultaneously with goat rue. Seeds of both crops after harvesting may be separated. Besides, after obtaining the seeds, local supplementary feeding of goat rue is effected with tilling using a disk working member. EFFECT: higher efficiency. 1 tbl
Patent RU-2034353-C1 (RU)
Inventor: ROZINSKIJ LIPPA S
IPC: H01J9/04
Filed: 1991-04-15
Granted: 1995-04-30
Abstract: Использование: изобретение относится к способам термообработки оксидных катодов многолучевых электровакуумных приборов и может быть использовано в промышленной электронике. Сущность изобретения: напряжение на модулятор во время актировки подают с длительностью импульсов 200 - 700 м с и частотой их повторения 0,5 - 1,5 Гц, при этом при достижении током отдельного катода заданной величины прекращают подачу на него импульсного напряжения, а напряжение накала отключают при достижении требуемой величины токов у всех катодов. 1 з.п. ф-лы, 1 табл.
Patent RU-2020747-C1 (RU)
Title: Parallel-comparison analog-to-digital converter
Inventor: GELMAN MOISEJ M
IPC: H03M1/36
Filed: 1991-05-23
Granted: 1994-09-30
Abstract: FIELD: analog-to-digital converter engineering; encoding of instant values of fast processes. SUBSTANCE: parallel-comparison analog-to-digital converter that has single-code decoder, reference-voltage source, bias voltage sources, and n p-bit coding units, each built around resistive divider and group of comparators, is provided with decoupling element introduced in these units; each coding unit has similar sampling step; bias voltage sources are built with relative bias voltage offset by sampling step. EFFECT: improved conversion accuracy at maximum speed. 1 dwg
Patent RU-2004718-C1 (RU)
Inventor: GOROKHOV GRIGORIJ V
IPC: E21B43/10
Filed: 1991-06-13
Granted: 1993-12-15
Abstract: Использование: в водоснабжении. Сущность  изобретени : подвижный кожух размещен снаружи  фильтра с запорными шарами и внутренним кольцевым  выступом в верхней части. Поршень с нагнетательным  клапаном размещен в кожухе над  фильтром. Втулка с всас ывающим клапаном размещена  внутри фильтра над выступом. Пружина установлена  между втулкой и выступом. Внутри  фильтра установлены верхн   перфорированна   шайба, размещенна  над втулкой, и нижн   перфорированна  шайба, размещенна  под пружиной, и  два соосных втулке стержневых упора. Один упор  нижним концом соединен с верхней шайбой с возможностью  взаимодействи  верхним концом с нагнетательным  клапаном, другой нижним концом - с  нижней шайбой с возможностью взаимодействи  с  всасывающим клапаном. Буровой наконечник выполнен  полым и с радиальными отверсти ми в  верхней части, оборудованными снаружи обратным  клапаном в виде эластичной манжеты. 2 ил
Patent RU-2017687-C1 (RU)
Title: Plug feeding device
Inventor: GONCHAROV YURIJ A
IPC: B67B1/04
Filed: 1991-06-18
Granted: 1994-08-15
Abstract: FIELD: packing equipment. SUBSTANCE: plugs 8 by vibration bin 1 are fed along chute 2 to enter flexible member 3 to fill it up to rest 4. Rod 4 presses plug into hole of vessel. Adjustment of position of flexible member 3 and stiff rest 4 provides precise orientation of plug relative to axis of hole. EFFECT: enhanced operating reliability. 3 dwg
Patent RU-2020798-C1 (RU)
Title: Способ выращивания овощных культур
Inventor: PANFILOV ALEKSANDR A
IPC: A01G31/00
Filed: 1991-07-01
Granted: 1994-10-15
Abstract: Использование: сельское хозяйство, в частности при выращивании овощных культур. Сущность: выращивание овощных культур осуществляют путем высадки рассады в культивационный сосуд и размещения его таким образом, чтобы стебли были направлены вниз, а на верхнюю свободную поверхность субстрата высаживают уплотняющую культуру. Для поддержания стеблей, направленных вниз, устанавливают поддон. 1 з.п. ф-лы, 2 ил.
Patent RU-2052139-C1 (RU)
Inventor: KUTYSH IVAN I
IPC: F01N3/18
Filed: 1991-09-11
Granted: 1996-01-10
Abstract: FIELD: mechanical engineering. SUBSTANCE: chemically active substances are introduced twice. After first introduction of chemically active substances - reductants, repeated introduction of chemically active substances - reductants, repeated introduction of chemically active substances containing transition metals is performed at temperature not below dissociation temperature of these substances. In at least 3 to 5 mcs gas containing oxygen is introduced in waste gas flow. Used as chemically active substances containing transition metals are carbonyls on base of transition metals and in particular, carbonyls on base of ferromagnetics: iron pentacarbonyl [Fe(CO) 5 ], tetracarbonyl nickel [Ni(CO) 4 ] and cobalt carbonyl [CO 2 (CO) 9 ]. If carbonyls on base of ferromagnetics containing transition metals are used as chemically active substances, waste gas flow is acted on by magnetic or electromagnetic field at temperature of flow from dissociation temperature of carbonyls to temperature below Curie temperature of ferromagnetics. EFFECT: enhanced efficiency. 6 cl, 2 dwg
Patent RU-2028888-C1 (RU)
Title: Electric soldering iron
Inventor: LANTSMAN PETR SH
IPC: B23K3/03
Filed: 1991-08-26
Granted: 1995-02-20
Abstract: FIELD: soldering. SUBSTANCE: soldering iron has handle 1, soldering tip 2, heater 3 and holder 4 press-fitted in handle. Holder is made in form of thin-walled metal tube in which ratio of length to outer diameter is 10-20, and ratio of thickness to outer diameter is 0.1-0.2. EFFECT: enhanced convenience of operation owing to improved cooling of handle, increased efficiency of soldering iron. 5 dwg
Patent RU-2068028-C1 (RU)
Title: Aggregate for thermal diffusion alloying of pieces
Inventor: GALIN RASHIT G
IPC: C23C10/34
Filed: 1991-10-14
Granted: 1996-10-20
Abstract: FIELD: mechanical engineering, chemical and other branches of industry for chemical thermal treatment of pieces. SUBSTANCE: aggregate for thermal diffusion treatment of pieces has capable to turn electrical furnace with located in it and capable to rotate retort with lid and partitioner, that divides retort for auxiliary and operational zones. Partitioner is made in the form of perforated partitions made as screw-type line. Positive effect is increased aggregate productivity due to decreasing of volume of auxiliary zone to 4 - 8 % from total volume of retort and also due to decrease of alloying mixture carrying off during piece unloading from retort to 0.1 - 0.2 %. Besides, all treated pieces obtain uniform thickness of coating. EFFECT: increased productivity, decreased alloying mixture carrying off during pieces unloading from retort, uniform thickness of all treated pieces thickness of coating. 1 dwg
Patent RU-2099432-C1 (RU)
Inventor: PANOS NORA HILDA
IPC: C22B3/18
Filed: 1991-11-06
Granted: 1997-12-20
Abstract: Назначение: изобретение относится к биотехнологии, а именно к способам биотехнологической обработки минеральных концентратов, угля или бедных руд. Сущность изобретения: способ включает обработку сырья кислотным реагентом и культурой микроорганизмов - биоокислителей, культивирование микроорганизмов на минеральном сырье, осушение минерального сырья и отделения продуктов биоокисления. 7 з.п. ф-лы.
Patent RU-2031577-C1 (RU)
Title: Automatic mechanism for fastening and letting go of otter board
Inventor: GUKALO YAKOV M
IPC: A01K79/00
Filed: 1991-11-20
Granted: 1995-03-27
Abstract: FIELD: commercial fishing; safety of work with fishing equipment. SUBSTANCE: while shooting and hauling the trawl the automatic mechanism fastens the otter board rigidly, without play thus relieving the trawl warp. The otter board has support rollers and stop rod while its orienting device has side plates. Locking device comprises carriage interacting with stop spring and with rollers on levers. EFFECT: improved design. 2 dwg
Patent RU-2084627-C1 (RU)
Inventor: KURLENYA MIKHAIL V
IPC: E21C39/00
Filed: 1991-08-16
Granted: 1997-07-20
Abstract: Изобретение относится к горной промышленности и может быть использовано для контроля и прогноза крупного разрушения краевой части напряженного участка и контроля разрушения различных нагружаемых блоков. Способ включает регистрацию импульсов электромагнитной эмиссии и их длительности в массиве, определение эталонных параметров импульсов на образцах и сравнение их с регистрируемыми. Отличием является то, что дополнительно измеряют количество и амплитуды токов этих импульсов в массиве и нагружаемом до разрушения эталонном образце. Определяют объемы образца и разрушаемого участка массива, и определяют приближение разрушения по выполнению математического соотношения, которое включает амплитуды одиночных импульсов в образце и разрушаемом участке массива, длительность одиночных импульсов в образце и массиве, объемы эталонного образца и разрушаемого участка, предельное количество зарегистрированных импульсов в образце при произведении его разрушения и количества импульсов на разрушаемом участке массива. 1 ил.
Patent RU-2006481-C1 (RU)
Inventor: MITROFANOVA NINA F
IPC: C02F101/14
Filed: 1991-12-26
Granted: 1994-01-30
Abstract: FIELD: purification of sewage water in the chemical industry and metallurgy. SUBSTANCE: suspension is treated with flocculator which comprises, weight % : the product produced by alkali treatment of diesel fuel distillate 45-65; mineral oil 30-45; residual product of manufacture of white oils recovered by oils sulfuration 5-10. Flocculator is employed in the form of 0,5% water solution and in the amount of 30-130 mg/l. The rate of suspension precipitating is of 1,5-3,4 m/hour. EFFECT: intensified clarification. 2 cl, 4 tbl
Patent RU-2069285-C1 (RU)
Title: Water conduit and method of its erection
Inventor: KASHEVAROV YURIJ B
IPC: F16L1/038
Filed: 1992-01-30
Granted: 1996-11-20
Abstract: FIELD: erection of pipe lines of large diameters; erection of water conduits. SUBSTANCE: for erection of water conduit 3, semicylindrical recess 6 is dug in ground, watertight envelope 7 made of multi-layer glass cloth is connected with pumping station, unwound by water pressure and is laid in recess 6. Erection of water conduit is performed by increasing the rolled envelope through bonding its ends. Envelope 7 laid from center section of water conduit to upper pumping station has half as mush thickness of wall. Upper end of water conduit filled with water is connected with compressor to create pressure in water conduit in order to check it for strength, after which heater 8 is mounted on above-ground portion of water conduit, soil 5 is laid on its sides and protective casing 9 is mounted. EFFECT: enhanced reliability. 3 cl, 7 dwg
Patent RU-2026070-C1 (RU)
Title: 1-(hydroxymethyl)-2 -hydroxy- 2- (4-nitrophenyl) -ethylammonium-2- formylphenoxyacetate possessing antistress activity
Inventor: MIRSKOVA ANNA N
IPC: A61K31/205
Filed: 1991-07-31
Granted: 1995-01-09
Abstract: FIELD: production of biologically active substances possessing antistress activity. SUBSTANCE: product 1-(hydroxymethyl)- 2-hydroxy- 2-(4-nitrophenyl)- ethylammonium- 2-formylphenoxyacetate  ; basic formula C 18 H 20 N 2 O 8 ; yield 80-81%; melting point 200-202 C. Reagents: (1) 2-phormylphenoxyacetic acid; (2) 1,3-dihydroxy-1- (4-nitrophenyl) propyl-2-amine. Reaction conditions: in lower alcohol medium at 60-80 C and reagent ratio of 1:1 for 10-15 min. EFFECT: higher efficiency. 1 tbl
Patent RU-2032847-C1 (RU)
Title: Filling head for liquified gas
Inventor: KOTOV MIKHAIL P
IPC: F17C5/00
Filed: 1992-02-21
Granted: 1995-04-10
Abstract: FIELD: vessels for containing liquified gases. SUBSTANCE: head has housing with through passage, valving member, and grip for coupling with a vessel to be filled. The valving member is constructed as a spring-loaded slide valve mounted inside the passage. The slide valve has dummy axial hole connected with radial openings. The passage is step- like. The grip is telescopically coupled with the housing for permitting axial locking by handle and tie which are pivotally interconnected and pivotally connected to the housing and grip, correspondingly. The sealing member secured to the face of the slide valve arrests its movement owing to the contact of the member with the step of the passage. EFFECT: heightened rate of filling. 2 dwg
Patent RU-2021357-C1 (RU)
Title: Strain bacteriophagum shigellosum-2 showing activity against shigella dysenteria-2
Inventor: RAKHIMOVA AJGUL KH
IPC: C12N7/00
Filed: 1992-03-13
Granted: 1994-10-15
Abstract: FIELD: medicinal microbiology. SUBSTANCE: for identification "Dysentery-2" pathogen specific bacteriophage Bacteriophagum shigellosum-2 is used. EFFECT: accelerated diagnosis time at typical and atypical forms of pathogen by 1 and 2-3 days, respectively.
Patent RU-2041563-C1 (RU)
Title: Frequency divider with varying fractional factor
Inventor: ERSHOV VIKTOR E
IPC: H03K23/66
Filed: 1992-03-25
Granted: 1995-08-09
Abstract: FIELD: pulse equipment. SUBSTANCE: frequency divider includes divider 1 with VARYING count-down ratio, adder 2, first and second code storage circuits 3,4, unit 5 changing code by ± 1, analysis unit 6, input wire 7, output wire 8, clock frequency wire 9, first and second code wires n1, n2 with proper couplings. EFFECT: simplified design, improved operational reliability. 6 dwg
Patent RU-2035988-C1 (RU)
Title: Autoclave for the thermostatic control of transport containers with uranium hexafluoride
Inventor: ZALESOV VLADIMIR K
IPC: B01J3/03
Filed: 1992-03-26
Granted: 1995-05-27
Abstract: FIELD: atomic engineering. SUBSTANCE: autoclave has a stationary housing in the lower part of which a refrigerator is set. A heater and a fan are disposed in the folding back cover equipped with springs located in a glass connected with a crossbeam. The bayonet bolt has a thickening ring of the round cross-section mounted in the turning. The turning is located on the housing flange. The cylindrical surface is the turning base, the conical surfaces are its lateral sides. The corresponding protrusion of the housing flange has the inner conical surface. EFFECT: facilitated manufacture. 3 dwg
Patent RU-2046293-C1 (RU)
Title: Thermoelectric level meter for point-by-point measuring of media boundary
Inventor: ZALUGIN VALERIJ I
IPC: G01F23/24
Filed: 1992-04-08
Granted: 1995-10-20
Abstract: FIELD: measurement technology. SUBSTANCE: device has air-tight case, connected with strength-tight housings, which are mounted inside the case along its height to provide media to pass through. Thermocouples and heaters with electric conductors are mounted onto external walls of the hosings. EFFECT: improved efficiency of operation. 3 cl, 4 dwg
Patent RU-2065383-C1 (RU)
Inventor: LEIDINGER BERNHARD PROF DR
IPC: B64G1/50
Filed: 1992-09-11
Granted: 1996-08-20
Abstract: Использование: в космических летательных аппаратах в условиях невесомости, а также при различных ускорениях для отвода тепла. Сущность изобретения: в рабочем пространстве охлаждающая жидкость, циркулирующая по меньшей мере в одном циркуляционном контуре, и испаряемая среда приводятся во взаимный теплопередающий контакт, и тепло вместе с паром выводится в атмосферу, окружающую космический аппарат. Контакт, приводящий к теплопередаче, происходит по меньшей мере в двух пространственно разделенных зонах рабочего объема, причем в этих зонах устанавливаются варьируемые значения давления и температуры, и охлаждающая жидкость и испаряемая среда пропускаются через эти ступени в следующем порядке: охлаждающая жидкость сначала проходит через ступень с наиболее высокими давлением и температурой, а затем через ступени с постепенно уменьшающимися давлением и/или температурой. 2 с.п. ф-лы, 8 з. п. ф-лы, 1 ил.
Patent RU-2083580-C1 (RU)
Title: 1,7-anular derivatives of 3-(piperazinoalkyl)-indole, method of their synthesis (variants), pharmaceutical composition containing thereof and an intermediate compound for their synthesis
Inventor: JASSERAND DANIEL
IPC: C07D471/06
Filed: 1992-08-21
Granted: 1997-07-10
Abstract: FIELD: organic chemistry. SUBSTANCE: product: 1,7-anular derivatives of 3-(piperazinoalkyl)-indole of the formula (I)   where: R 1  means hydrogen, lower alkoxyl, lower thioalkyl, hydroxyl, halogen, nitro and other groups; R 2  means hydrogen, halogen, lower alkyl and others; R 3  means hydrogen, lower alkyl and others; R 4  means hydrogen, C 1 -C 7 -alkyl, C 3 -C 7 -alkenyl, C 3 -C 6 -cycloalkyl and others; A means sulfur, oxygen, alkylene chain with 2-4 carbon atoms; R means nitrogen or CH-group; R 5  means pyridinyl, phenyl substituted if necessary with lower alkyl, alkoxyl, halogen; D means the bond and also an intermediate compound of the formula (IV)   where A means CH 2 -; B means -CH 2 -; R 5  means lower alkyl;   means hydrogen, lower alkyl, nitro-group; R 6  means lower alkylcarbonyl; R 2  means hydrogen, lower alkyl; R 7  means hydrogen, C 1 -C 7 -alkyl; Q means Q′-CO-chain where Q′ means alkylene chain with 1-3 carbon atoms. Compounds of the formula (I)   were synthesized by interaction of compound of the formula (II)   with compound of the formula (III)   or by reduction of compound of the formula (IV)   or (I)   where R       IV   1        - hydrogen, amino-group followed by acylation with acids or their reactive derivatives. Synthesized compounds were used in medicine as drugs. EFFECT: improved method of synthesis. 13 cl, 6 tbl
Patent RU-2069451-C1 (RU)
Inventor: GONTAREV GENNADIJ G
IPC: H03K7/02
Filed: 1992-07-15
Granted: 1996-11-20
Abstract: Использование: в генераторах мощных импульсов для питания СВЧ-приборов в радиопередающих устройствах. Сущность изобретения: устройство содержит источник питания 1, дроссель 2, два анода 3, 8, формирующую линию 4, тиратрон 5, загрузку 6, цепь 7 снятия перезаряда, два генератора управляющих импульсов 9, 11, электронную лампу 10. Генератор 11 выполнен на одновибраторе с регулируемой длительностью импульса. 1 ил.
Patent RU-2055860-C1 (RU)
Title: Metal plated addition agent
Inventor: ABRAMOV YURIJ A
IPC: C10M159/04
Filed: 1992-04-20
Granted: 1996-03-10
Abstract: FIELD: chemical industry. SUBSTANCE: the addition agent to lubricating materials comprises (wt %): 3-10 alkylene amine polymerizate; 0.01- 1.0 dispersive colloidal metal; up to 100 mineral oil. The colloidal metal is copper, tin, zinc, bismuth, lead, cadmium, silver or mixture thereof. EFFECT: improved properties of the metal coated addition agent. 2 cl, 2 tbl
Patent RU-2029779-C1 (RU)
Title: Corrosion-proofing lubricating material
Inventor: MATYUSHA GALINA V
IPC: C10M101/02
Filed: 1992-07-30
Granted: 1995-02-27
Abstract: FIELD: chemical industry. SUBSTANCE: the material comprises (wt %): 0.5- 5.0 a mixture of ether oils of eugenol with citral in a 1:1 volume ratio; 95.0-99.5 a lubricant comprising a mineral oil a jet engine fuel, polyvinylbutyl ether and oxidized petrolatum. EFFECT: improved properties of the corrosion-proofing lubricating material. 3 tbl
Patent RU-2083522-C1 (RU)
Title: Пенообразующий состав для строительного материала
Inventor: GERASIMENYA VALERIJ P
IPC: C04B28/04
Filed: 1992-08-18
Granted: 1997-07-10
Abstract: Область применения: производство строительных материалов, в частности, отделочных теплоизоляционных для ограждающих и несущих конструкций. Сущность изобретения: пенообразующий состав включает, мас.%: карбамидно-формальдегидную смолу 25-50, поверхностно-активное вещество 1-5, кислый катализатор отверждения 1-10, портландцемент 0,5-11, вода - остальное. Получаемый материал отличается улучшенными эксплуатационными характеристиками, прочность на сжатие через 30 суток составляет до 39,4 кг/см 2 . 11 з.п. ф-лы, 2 табл.