baber/WOPTO huggingface dataset:
Patent RU-2725503-C1 (RU)
Title: Способ получения жаростойких покрытий на стали
Inventor: GUREVICH LEONID MOISEEVICH
IPC: C23C10/48
Filed: 2019-12-28
Granted: 2020-07-02
Abstract: Изобретение относится к технологии получения покрытий на металлах с помощью энергии взрывчатых веществ и может быть использовано при изготовлении деталей энергетических и химических установок, обладающих повышенной жаростойкостью. Cоставляют трехслойный пакет, состоящий из неподвижной стальной пластины и симметрично размещенных по обе ее стороны метаемых фехралевых пластин, толщиной 0,8-1 мм. Осуществляют сварку взрывом этих пластин при заданной скорости детонации зарядов взрывчатого вещества. Высоту зарядов взрывчатого вещества и сварочный зазор между пластинами выбирают из условия получения заданной скорости их соударения. Затем проводят алитирование фехралевых слоев сваренной заготовки в расплаве силумина марки АЛ2 и термообработку полученной заготовки. Техническим результатом изобретения является повышение рабочей температуры жаростойких покрытий в окислительных газовых средах и упрощение способа получения покрытий. 1 з.п. ф-лы, 2 ил., 1 табл., 3 пр.
Patent RU-2737521-C1 (RU)
Inventor: Urmeev Ilnar Rustyamovich
IPC: C10M101/02
Filed: 2020-01-21
Granted: 2020-12-01
Abstract: FIELD: oil, gas and coke-chemical industries. 
     SUBSTANCE: invention relates to oil refining and can be used in production of petroleum hydraulic oils. Invention relates to a method of producing a petroleum oil base, in which low-viscosity hydrotreated naphthene oil, polyalphaolefin oil PAO-2 and ionol are used as raw material, from low-viscosity hydrotreated oil, the desired fraction is extracted by vacuum stripping of the light fraction until the flash point in the closed still remains crucible is not lower than 120 °C, then adsorptive purification of bottom residue as target fraction until refraction index is not more than 1.4700, purified target fraction is mixed with PAO-2, having refraction index of not more than 1.4440, at temperature of 60–90 °C in ratio within specified with provision of standard quality indicators, after which introduction of ionol into mixture and stirring at temperature of 60–90 °C to obtain a base oil, with the following ratio of components, pts. wt.: purified target fraction low-viscosity hydrotreated naphthene oil 65–75 polyalphaolein oil PAO-2 25–35 ionol 0.14–0.16. Invention also relates to an embodiment of the method. 
     EFFECT: technical result is wider range of technologies for obtaining default base for petroleum oils with improved quality indicators used in aerospace engineering, and reduced fire and explosion hazard of method of obtaining base hydraulic oils. 
     4 cl, 2 ex, 11 tbl
Patent RU-2738403-C1 (RU)
Title: Забивная винтовая свая
Inventor: TARATUTA VIKTOR DMITRIEVICH
IPC: E02D5/28
Filed: 2020-01-30
Granted: 2020-12-11
Abstract: Изобретение относится к строительству, а именно к фундаментостроению. Забивная винтовая свая включает закрепленную на поверхности грунта гайку и винтовой пустотелый ствол с режущими кромками на торце. Ствол выполнен многозаходным с винтовыми линиями и винтовыми криволинейными поверхностями. Винтовой пустотелый ствол выполнен в виде соединенных по продольным кромкам с образованием по периметру снаружи ствола винтовых линий и винтовых криволинейных многозаходных поверхностей в виде винтовых канавок выпуклой формы с центрами кривизны внутри пустотелого цилиндрического многозаходного винтового ствола и по периметру внутри винтового ствола продольных винтовых режущих кромок по всей длине пустотелого винтового ствола от его торцевых режущих кромок. Ствол изготовлен из лент прямоугольной формы. Ленты снабжены по боковым кромкам скосами под острым углом β, сначала изогнутых по винтовым линиям на цилиндрической первой оправке, с образованием по периметру винтовых криволинейных поверхностей в виде винтовых канавок выпуклой формы с центрами кривизны внутри этих канавок. Ленты после снятия с первой оправки, диаметр которой равен двум радиусам канавок выпуклой формы, были размещены на цилиндрической второй оправке, диаметр которой соответствует проходному диаметру пустотелого винтового ствола. Технический результат - упрощение изготовления, расширение технологических возможностей, облегчение погружения сваи в грунт. 10 ил.
Patent RU-2747131-C1 (RU)
Title: User terminal, base station and radio communication method
Inventor: TAKEDA KADZUKI
IPC: H04L1/16
Filed: 2017-08-09
Granted: 2021-04-28
Abstract: FIELD: radio communication. 
     SUBSTANCE: invention relates to a terminal and a radio communication method.  The method receives a downlink shared channel that is scheduled by downlink control information; and controlling the transmission of a Hybrid Automatic Repeat Request (HARQ-ACK) acknowledgment based on slot information corresponding to a plurality of potential HARQ-ACK transmission intervals for the downlink common channel and slot configuration information indicating the transmission direction of each slot, wherein the HARQ-ACK transmission interval indicated by the downlink control information is at least one of the slots corresponding to the plurality of potential transmission intervals. 
     EFFECT: technical result consists in increasing the efficiency of radio communication control. 
     4 cl, 11 dwg
Patent RU-2745682-C1 (RU)
Inventor: STEELE DAVID JOE
IPC: E21B41/00
Filed: 2017-09-19
Granted: 2021-03-30
Abstract: FIELD: oil and gas industry.  
     SUBSTANCE: invention relates to a system and method for controlling fluid flow to/from multiple intervals in a wellbore. The multilateral well system has a single connection unit for multilateral well inflow control (MWIC) including a channel with the first hole at the upper end of the channel as well as the second and third holes at the lower end of the channel, a primary passage formed by the channel and extending from the first hole to the second hole with a channel connection formed along the channel between the first and second openings. The primary passage has an upper part and a lower part. The upper part extends from the first opening to the channel connection and the lower part extends from the channel connection to the second opening. The side passage is formed by the channel and extends from the channel connection to the third opening. An upper power transfer mechanism (PTM) is installed along the top of the primary bore and near the first hole with reference lines providing connection between the upper PTM and the lower completion assembly. The primary passage is adapted to receive the first tubing string that passes through it. The upper PTM can be connected with the PTM of the tubing string to receive/transmit control signals, data and/or power from/to the lower completion equipment in the sidetracks of the well.  
     EFFECT: invention provides connection/power supply between surface and production devices in lateral wells.  
     15 cl, 24 dwg
Patent RU-2733041-C1 (RU)
Title: Method for assessment of soil fertility in krasnodar region conditions
Inventor: KURNOSOV SERGEJ ANDREEVICH
IPC: G01N33/24
Filed: 2020-03-05
Granted: 2020-09-28
Abstract: FIELD: agriculture. 
     SUBSTANCE: invention relates to agriculture, with reference to assessment of soil fertility in conditions of Krasnodar region. Method comprises taking samples of specific soil, comparing with standard actual physical and chemical parameters of soil: content of humus, phosphorus, potassium, nitrogen, soil density; assigning a score of a set of reference values, which is a threshold for determining the feasibility of further development of the analyzed soil, determination of specific soil fertility assessment, according to the invention, additional parameters are determined in samples of specific soils: stoniness, soil washing, acid-alkaline balance and capacity of humic horizon, then assessing soil fertility according to a predetermined design formula. If the assessment of fertility is equal to or greater than 0.8, then the soil is suitable for further use for cultivation of crops. 
     EFFECT: simplified and more accurate assessment of soil fertility. 
     1 cl, 1 ex
Patent RU-2750028-C1 (RU)
Title: Способ определения магнитной восприимчивости почв малогабаритным каппаметром в лабораторных условиях
Inventor: Chevychelov Aleksandr Pavlovich
IPC: E04B1/00
Filed: 2020-03-23
Granted: 2021-06-21
Abstract: Изобретение относится к области физики и может быть использовано для определения магнитной восприимчивости почв в лабораторных условиях. Способ определения магнитной восприимчивости почв в лабораторных условиях с помощью малогабаритного каппаметра КМ-7 осуществляется посредством одновременного измерения объемной магнитной восприимчивости (χоб.) и определения плотности (р) растертой воздушно-сухой почвы массой (m), помещенной в объем контейнера (v), изготовленного из немагнитного материала, по формуле: p=m/v и дальнейшего определения удельной магнитной восприимчивости (χуд.) по формуле: χуд.=χоб./р. Технический результат – повышение точности и экспрессности способа определения удельной магнитной восприимчивости (УМВ) почв в лабораторных условиях. 6 ил., 4 табл.
Patent RU-2751631-C1 (RU)
Title: Method for introducing additives into polymers
Inventor: YARYSHEVA LARISA MIKHAJLOVNA
IPC: C08J7/02
Filed: 2020-04-30
Granted: 2021-07-15
Abstract: FIELD: polymers.SUBSTANCE: present invention relates to a method of introducing an additive into a polymer by drawing an elongated polymer item in a physically active liquid medium. The method includes simultaneous or consequential drawing of an elongated polymer item in at least two directions in a physically active liquid medium containing one or several dissolved additives. The polymer constitutes an amorphous glass-like or crystalline polymer. An unoriented or partially oriented polymer film is used as an elongated polymer item which is subjected to simultaneous biaxial drawing with consequential drawing in at least two directions including initial drawing and additional drawing. Additional drawing is performed at an angle of 10 to 90 degrees in a direction different from the direction of initial drawing.EFFECT: invention allows increasing the content of introduced additives compared to uniaxial drawing and producing nanocomposites with alternating zones filled with identical or differing additives and directed at an angle relative to each other.5 cl, 11 ex
Patent RU-2757808-C1 (RU)
Title: 2-alkylthio-5-(1h-1,2,4,-triazole-1-ilmethyl)-1,3,4-thiadiazoles, method for production thereof and fungicidal compositions based thereon
Inventor: Tsaplin Grigorij Valerevich
IPC: C07D417/06
Filed: 2020-04-30
Granted: 2021-10-21
Abstract: FIELD: chemistry.SUBSTANCE: invention relates to 2-alkylthio-5-(1H-1,2,4-triazole-1-ylmethyl)-1,3,4-thiadiazoles by the general formula I, wherein R1 represents an alkyl group with a carbon number from 2 to 6, an arylalkyl group by the general formula XnC6H5-n(CH2)m, or an aryloxyalkyl group by the general formula XnC6H5-nO(CH2)m, wherein X are the same or different and represent an atom of hydrogen or halogen, an alkyl group with a carbon number from 1 to 4, an alkoxyl group with a carbon number from 1 to 4, a perfluoroalkyl group with a carbon number from 1 to 4, a nitro group, n constitutes an integer from 0 to 5, m constitutes an integer from 1 to 3, and to agrochemically acceptable salts thereof. The invention also relates to a method for producing 2-alkylthio-5-(1H-1,2,4-triazole-1-ylmethyl)-1,3,4-thiadiazoles by the general formula I, wherein R1 represents an alkyl group with a carbon number from 1 to 6, an arylalkyl group by the general formula XnC6H5-n(CH2)m, or an aryloxyalkyl group by the general formula XnC6H5-nO(CH2)m, wherein X are the same or different and represent an atom of hydrogen or halogen, an alkyl group with a carbon number from 1 to 4, an alkoxyl group with a carbon number from 1 to 4, a perfluoroalkyl group with a carbon number from 1 to 4, a nitro group, n constitutes an integer from 0 to 5, m constitutes an integer from 1 to 3, implemented due to the interaction of 5-(1H-1,2,4-triazole-1-ylmethyl)-1,3,4-thiadiazole-2-thione III with various alkyl halides VII in the presence of bases: hydroxides, alkoxides, carbonates of alkali metals, tertiary amines, in polar aprotic or protic solvents at a temperature of 20°C to 150°C. Compounds of 2-alkylthio-5-(1H-1,2,4-triazole-1-ylmethyl)-1,3,4-thiadiazole by the general formula I, wherein R1 represents an alkyl group with a carbon number from 1 to 6, an arylalkyl group by the general formula XnC6H5-n(CH2)m, or an aryloxyalkyl group by the general formula XnC6H5-nO(CH2)m, wherein X are the same or different and represent an atom of hydrogen or halogen, an alkyl group with a carbon number from 1 to 4, an alkoxyl group with a carbon number from 1 to 4, a perfluoroalkyl group with a carbon number from 1 to 4, a nitro group, n constitutes an integer from 0 to 5, m constitutes an integer from 1 to 3, are intended as a fungicide.EFFECT: 2-alkylthio-5-(1H-1,2,4-triazole-1-ilmethyl)-1,3,4-thiadiazoles exhibiting fungicidal activity.3 cl, 3 tbl, 10 ex
Patent RU-2749026-C1 (RU)
Inventor: DMITRIEV ANATOLIJ FEDOROVICH
IPC: G01N33/53
Filed: 2020-06-03
Granted: 2021-06-03
Abstract: Изобретение относится к ветеринарной иммунологии, которое может быть использовано в клинической практике для диагностики изоиммунизации у животных, в частности к способу оценки изоиммунизационных эффектов в биологической системе «мать-плод-новорожденный». Предлагаемое изобретение касается способа определения степени иммунологической толерантности у животных и включает: исследование крови, где проводят биологический тест, в качестве которого используют реакцию эритрогемолиза для определения процента лизированных эритроцитов материнского животного под воздействием сыворотки крови новорожденного животного. Далее вычисляют процент лизированных эритроцитов по формуле с определением показателя аллергической альтерации эритроцитов (ПАЭ). При увеличении скорости оседания эритроцитов (СОЭ) по отношению к СОЭ в контрольной группе и гемолиза более 20% исследуемых новорожденных животных относят к группе с повышенной иммунологической толерантностью среди однородной выборки. Изобретение обеспечивает повышение достоверности лабораторного исследования (неинвазивного пренатального скрининга) и позволяет сформировать группу животных с высоким риском развития иммунологической толерантности. 4 пр., 3 табл.
Patent RU-2738057-C1 (RU)
Inventor: Iagafarov Albert Salavatovich
IPC: E21B37/00
Filed: 2020-07-24
Granted: 2020-12-07
Abstract: FIELD: mining. 
     SUBSTANCE: invention relates to construction of wells and is intended for equipment of casing string bottom for the purpose of its direction along borehole with possibility of development of unstable sections of shaft with zones of crumbling and rock falls. Device includes drilled mandrel with pass channel and screw slots, pins installed rigidly in lower part of housing and movably into slots of mandrel, armed shoe equipped with blades and flushing holes rigidly connected from below with mandrel. In the upper part the mandrel is equipped with a hydraulic nozzle. Housing in middle part is equipped with radial holes, and in upper part - valve in through channel and hydraulic nozzle with seat. Armed shoe, hydraulic nozzles and valve are made of easily drilled material. Square cross-sections of hydraulic nozzles and radial holes of the housing are selected so that when creating a certain flow rate of liquid and axial load on the armed shoe it creates translatory-rotary movement downwards. 
     EFFECT: providing reliable and simple design with minimum loads on threaded connections of casing pipes, with reduction of time of drilling of shoe due to reduction of its length and reduction of quantity of parts, ingress of sludge and cement into the column is prevented. 
     1 cl, 2 dwg
Patent RU-2744457-C1 (RU)
Title: Method for obtaining an immobilized enzyme product based on ficin, hyaluronic acid and polysaccharides modified with vinyl monomers
Inventor: Kholyavka Marina Gennadevna
IPC: A61K38/46
Filed: 2020-07-28
Granted: 2021-03-09
Abstract: FIELD: medicine.SUBSTANCE: invention relates to medicine, namely, to a method for obtaining an immobilized enzyme product based on ficin, polysaccharides modified with vinyl monomers, hyaluronic acid, ficin dissolving in an aqueous solution of low molecular weight hyaluronic acid 300 kDa, or medium molecular weight hyaluronic acid 500 kDa, or high molecular weight hyaluronic acid 800 kDa in a ratio of 10 mg ficin per 2 ml of an aqueous solution of low molecular weight hyaluronic acid 300 kDa, or medium molecular weight hyaluronic acid 500 kDa, or high molecular weight hyaluronic acid of 800 kDa at a concentration of 1,5%, while mixing is carried out until complete dissolution at room temperature; then ficin is immobilized by adding to the resulting mixture of carboxymethyl cellulose graft copolymer with a molecular weight of 50-100 kDa (CMC) or chitosan (CTS) with a molecular weight of 50-100 kDa with N-vinyl imidazole (VI) or N,N-dimethylaminoethyl methacrylate (DMAEMA) in an amount of 100 to 290 mg to obtain a liquid product or from 300 to 500 mg to obtain a gel. Present invention provides the development of a method for obtaining an immobilized liquid or gel-like enzyme product based on ficin, polysaccharides modified with vinyl monomers, and hyaluronic acid of low molecular weight 300 kDa, medium molecular weight 500 kDa or high molecular weight 800 kDa, due to which solutions of ficin can be stored at temperatures from 4 to 25°C from within 21 days, while the enzyme becomes more stable in comparison with the native one and is able to penetrate into the deep layers of the skin; at the same time, the introduction of modified polysaccharides into the composition of the drug allows not only to vary the viscosity and consistency of the samples (from a liquid state to a gel with different fluidity), but also promotes the formation of conjugates with an enzyme with a large number of bonds and interactions between the polysaccharide and the enzyme, compared to unmodified carboxymethylcellulose and chitosan, which further increases the stability of the drug and the concentration of the active substance in the affected area of ​​the skin, and also provides a controlled (portioned) release of ficin, maintaining its required concentration for a long time, in addition, the ability of modified polysaccharides to form stable films protects the enzyme and the treated area of ​​the skin from drying out, makes it easy to remove the drug along with pus and exudate.EFFECT: provides the development of a method for obtaining an immobilized liquid or gel-like enzyme product based on ficin.1 cl, 3 dwg, 1 ex
Patent RU-2748572-C1 (RU)
Inventor: Kostin Nikolaj Anatolevich
IPC: C23C8/70
Filed: 2020-08-25
Granted: 2021-05-26
Abstract: FIELD: metallurgy. 
     SUBSTANCE: invention relates to metallurgy, in particular to chemical-thermal treatment of structural and tool steels, and can be used for surface hardening of machine parts and technological equipment in machine-building, metallurgical, chemical, tooling and other industries. The method for strengthening parts made of structural and tool steels by boriding includes preparing a paste for boriding containing components in the following ratio, wt%: boron carbide В 4 С – 50-55, ferrochrome FX800А - 15-20, aluminum fluoride AlF 3  – 2-3, bentonite - 5-10, marshalite - 10-15, amorphous carbon DG-100 - the rest. As a pasting agent, a polyvinyl acetate emulsion is used, constituting 30-35% of the mass of powder components, consisting of PVA glue - 60-65, methanol or ethanol - 20-25 and water - the rest. The aforementioned paste is applied to the part, dried at a temperature of 70-75°С for 0.5-1.0 hours. Then the part is heated to a temperature of 920-1100°С for 3-6 hours. Then it is subjected to quenching and tempering at a temperature of 200-550°C for 2 hours. 
     EFFECT: wear resistance and corrosion resistance of parts, the strength of the coating are increased, and possibility of processing parts of any size and shape, in particular, local boriding, is provided, and the uniformity of heating of parts is increased. 
     1 cl
Patent RU-2752409-C1 (RU)
Title: Method for making coinage stamp and coinage stamp
Inventor: Prokofev Igor Germanovich
IPC: B44B5/00
Filed: 2020-09-14
Granted: 2021-07-27
Abstract: FIELD: minting.  
     SUBSTANCE: method for manufacturing a tool for minting coins, medals, in which all or part of the working surface sections are made with different roughness values, includes annealing of a round hot-woven rod, rolled with a turned surface made of steel, then grinding the outer diameter of the stamp blank, grinding the cone and cutting the blanks from the bar, after which the blanks are ground, roughing the cone surface of the stamp and polishing using diamond paste, then the working surface is transferred to the polished stamp blanks, then the stamp is sharpened and quenched, grinding of the outer diameter, and cleaning the background of the stamp by engraving, after that, the working surface of the stamp is subjected to matting with a grinding powder with a grain size of 63 microns, then the working surface is alternately polished with hair brushes using a paste of synthetic diamond powders and a finishing paste of synthetic powders to obtain roughness within the range from 0.032 to 0.125 microns, then laser matting is applied to the relief image to expand the range of roughness areas in the range from 0.063 to 0.200 microns, then the working surface of the stamp is washed and subjected to chrome plating.  
     EFFECT: new method for manufacturing a tool for minting coins, medals, in which all or part of the working surface sections are made with different roughness values.  
     2 cl, 4 dwg
Patent RU-2748623-C1 (RU)
Title: Small-sized unmanned aircraft system
Inventor: MALOV YURIJ IVANOVICH
IPC: G05D1/06
Filed: 2020-09-16
Granted: 2021-05-28
Abstract: FIELD: aviation. 
     SUBSTANCE: small-sized unmanned aircraft system for aerial surveillance and reconnaissance contains a ground control station, on-board and ground means of radio communication, navigation and flight control, a collapsible unmanned aerial vehicle made in a certain way and containing a fuselage, left and right trapezoidal wings, a tail beam carrying a T-shaped tail feathering with a fixed vertical feathering and a horizontal feathering, an elevator, a streamlined pylon with a landing parachute located inside with a tethered system, a motor nacelle with a push-type electric engine located inside, an optical-electronic system in the form of gyro-stabilized television and infrared cameras. 
     EFFECT: improved reliability and trouble-free landing of an unmanned aerial vehicle is provided. 
     7 cl, 5 dwg
Patent RU-2747531-C1 (RU)
Inventor: POPOV NIKOLAJ MALAFEEVICH
IPC: H05B39/04
Filed: 2020-09-15
Granted: 2021-05-06
Abstract: FIELD: electrical engineering.SUBSTANCE: invention relates to the field of electrical engineering, in particular to devices for lighting and heating of premises. The protective zero conductor, the working zero conductor, and the first, second and third phase wires are connected through the circuit breaker to the collecting buses of the distribution cabinet. After the circuit breaker, a programmable relay is switched on between the third phase and the zero working wire, connected by four outputs to four intermediate relays, the first, second and third of which each has one closing output contact, and the fourth one has two closing output contacts. The input of the first load is connected to the first phase wire, the output of which is connected to the output of the second load and through the output contact of the second intermediate relay, shunted by the first output contact of the fourth relay, with the zero working wire, connected also through the output contact of the first intermediate relay to the input of the second load, to which the second phase wire is connected through the output contact of the second intermediate relay, shunted by the second output contact of the fourth intermediate relay.EFFECT: automatic control of two equal loads in four operating modes with different power.1 cl, 1 dwg