baber/WOPTO huggingface dataset:
Patent RU-2746390-C1 (RU)
Inventor: Dzhagatspanyan Igor Eduardovich
IPC: G01N27/00
Filed: 2020-07-09
Granted: 2021-04-13
Abstract: FIELD: gas industry.  
     SUBSTANCE: invention relates to a means for the analysis of multicomponent gaseous media containing various gases and volatile organic compounds and can be used, for example, to analyze the air exhaled by a person in order to diagnose diseases or to analyze the air of residential and industrial premises. Disclosed is a method for analyzing multicomponent gaseous media according to which the gas chamber is cleaned by pumping zero gas through a pneumatic line to recirculate the sample. The analyzed medium is fed into the gas chamber using a device for forced injection of the sample hermetically connected to the inlet of the gas chamber after which the resistance of all gas sensors is continuously measured first at the initial temperature. Then the temperatures of the semiconductor gas sensors are changed stepwise. The steady-state values ​​of the resistance of each semiconductor gas sensor are measured and recorded at each of these temperature values, the parameters of humidity, ambient temperature and oxygen concentration are also measured and recorded using appropriate sensors, and the analysis of the presence and concentration of gaseous substances in the medium under study is performed by mathematical processing of the measured values of electrical resistance of gas sensors at different temperatures taking into account humidity, ambient temperature and oxygen concentration. The device for using this method includes a gas chamber with semiconductor gas sensors installed in it, humidity and temperature sensors, a gas supply system with a gas flow rate stimulator, an electronic unit for continuous measurement of sensor resistances, their temperatures and electrical signals from humidity and temperature sensors, an electronic unit for setting the temperatures of semiconductor gas sensors. The device is additionally equipped with an oxygen sensor the output of which is connected to the input of the electronic unit for continuous measurement of the resistance of the sensors, and the gas supply system is additionally equipped with a forced sample injection device installed in the gas chamber inlet as well as a pneumatic line for recirculation of the sample through a gas tee piece pneumatically connected to a gas flow rate booster and a mechanical drain valve.  
     EFFECT: increasing sensitivity and selectivity to a wide range of gases, improving reproducibility of results, reducing measurement time, reducing volume of the gas sample required for analysis. 
     13 cl, 3 dwg, 1 tbl
Patent RU-2745647-C1 (RU)
Inventor: LURE MIKHAIL NATANOVICH
IPC: H03F3/343
Filed: 2020-07-28
Granted: 2021-03-30
Abstract: FIELD: communication engineering. 
     SUBSTANCE: invention can be used in receiving devices of optical digital communication systems. The photocurrent amplifier contains a photodiode, a two-stage amplifier between the common collector and common emitter with parallel negative voltage feedback, made on the first and second transistors, the first and second resistors, the third feedback resistor, an additional feedback circuit connected in parallel with the third resistor, which is made on first, second and third Schottky diodes and a capacitor. 
     EFFECT: providing high dynamic range, high speed, automatic stabilization of the operating points of transistors and elimination of the aftereffect of large signal after its end.  
     1 cl, 1 dwg
Patent RU-2752474-C1 (RU)
Title: Single-use ph sensor for biorecator applications
Inventor: KHU TSZINBO
IPC: G01N27/30
Filed: 2019-02-27
Granted: 2021-07-28
Abstract: FIELD: control and measuring instruments. 
     SUBSTANCE: device is used to measure the relative amount of hydrogen and hydroxide ions in an aqueous solution. The essence of the invention is that the pH sensor for a single-use container includes a plunger sleeve made with the possibility of connecting to the flange of a single-use container. The plunger is axially movable in the plunger sleeve between the storage position and the operating position. The pH-sensitive element is connected to the plunger, while the pH element is located in the storage chamber in the storage position and is made to be extended inside the disposable container in the working position. In one example, a temperature-sensitive element is located in a pH sensor and is designed to sense temperature near the pH-sensitive element. In another example, the locking element is connected to the plunger, where the locking element has a locked position and an unlocked position, the locking element is designed to prohibit the movement of the plunger when it is in the locked position. In one more example, the plunger includes at least one filling channel that allows access to the comparison filling chamber when the plunger is in the filling position.  
     EFFECT: improved accuracy and reliability of measurements.  
     11 cl, 18 dwg
Patent RU-2762989-C1 (RU)
Title: Method for treating dogs with dilated cardiomyopathy complicated by congestive cardiac failure
Inventor: Rudenko Andrej Anatolevich
IPC: A61K31/34
Filed: 2020-09-28
Granted: 2021-12-24
Abstract: FIELD: veterinary medicine. 
     SUBSTANCE: invention relates to veterinary medicine, namely, to therapy of internal diseases of animals, and can be used for treating dogs with mitral valve insufficiency. The method for treating dogs with dilated cardiomyopathy complicated by congestive cardiac failure consists in prescribing pimobendan at a dose of 0.25 mg/kg 2 times per day orally during life, telmisartan at a dose of 0.5 mg/kg, increased to 1 mg/kg after 14 days, 1 time per day orally during life, furosemide at a dose of 3 mg/kg intravenously 2 times per day until the symptoms of congestive cardiac failure reduced, followed by transferring to the oral form of the product and reducing the dose under control of the respiratory frequency during sleep less than 30 min -1  during life, spironolactone at a dose of 2 mg/kg 2 times per day orally during life. 
     EFFECT: invention provides a reduction in the risk of pulmonary edema and sudden cardiac death, thereby significantly prolonging the life expectancy of sick animals. 
     1 cl, 4 tbl, 5 ex
Patent RU-2763372-C1 (RU)
Title: Multicyclone dust collector (battery cyclone)
Inventor: Kachura Viktor Vladimirovich
IPC: B04C3/04
Filed: 2020-11-11
Granted: 2021-12-28
Abstract: FIELD: cyclones. 
     SUBSTANCE: invention is intended for dust collection and can be used in units for dry cleaning of dust-loaded process gases and air released at manufacturing enterprises of various branches of industry. The multicyclone dust collector for dry cleaning of dust-loaded gas or air comprises a cylindrical body divided by a lower and an upper pipe grids into a distribution chamber, a purified gas chamber and a dust collector hopper, a purified gas removal branch pipe, a first inlet branch pipe located in the central part of the body, wherein cyclone elements and guiding apparatuses are placed around said branch pipe in concentric rows. The upper pipe grid is made in the form of a truncated cone with an angle of inclination to the horizontal of 25…35 degrees. The lower pipe grid has concentric countercurrent dividers located between the rows of cyclone elements. The dust collector is configured to supply gases through the upper pipe grate by means of the first inlet branch pipe, and the distribution chamber is additionally equipped with a cone divider or the dust collector is configured to simultaneously supply gases from above and below, for the purpose whereof said collector is equipped with a second inlet branch pipe, wherein said branch pipe is adjacent to the distribution chamber through the lower pipe grate and the first inlet branch pipe is adjacent to the distribution chamber through the upper pipe grate. 
     EFFECT: formation of a uniform gas flow and, therefore, uniform distribution of gases over the cyclone elements and increase in the efficiency of dust collection by 1.5 to 2 times. 
     1 cl, 3 dwg
Patent RU-2758061-C1 (RU)
Inventor: LEBEDEV ANATOLIJ TIMOFEEVICH
IPC: A01C7/20
Filed: 2020-11-11
Granted: 2021-10-26
Abstract: Изобретение относится к области сельского хозяйства. Сошник содержит корпус, поводок для крепления к раме, два плоских заостренных диска для образования борозды, расположенную между ними пластину для подачи семян на направитель семян в борозду и чистик для очистки внутренних плоскостей дисков. На корпусе, в передней части по направлению хода движения сошника, жестко закреплен П-образный кожух из износостойкой стали для защиты семян от захвата дисками, имеющий паз для регулировки его положения и последующей фиксации двумя болтами. При этом передние рабочие грани кожуха выполнены скругленными для выравнивания дна борозды и образования уплотненного ложа для семян, а направитель семян в борозду выполнен в виде канавки в кожухе. В последнем также выполнен дополнительный вырез в виде открытого с одной стороны паза для равномерного распределения семян по глубине и на дне борозды, подаваемых с направителя, причем паз и канавка кожуха защищены щеками, предохраняющими от преждевременного осыпания почвы и обеспечивающими плавное закрытие дна борозды с семенами не разрушенным слоем почвы. Изобретение позволит повысить точность заделки семян. 2 ил.
Patent RU-2759639-C1 (RU)
Title: Device for mounting contact pins on printed circuit boards
Inventor: SHUVAEV VYACHESLAV GEORGIEVICH
IPC: H05K13/08
Filed: 2020-11-27
Granted: 2021-11-16
Abstract: FIELD: mounting devices. 
     SUBSTANCE: invention relates to devices for mounting contact pins on printed circuit boards. An ultrasonic vibration concentrator with a batch piezoceramic converter are additionally introduced into the device for mounting contact pins on printed circuit boards, containing a mounting device for inserting a contact pin into a printed circuit board and a measuring device, and the measuring device is made in the form of a force sensor. Inclined grooves are made on the side surface of the concentrator. The batch piezoceramic converter is used to excite ultrasonic vibrations. A pressed electrical contact is pressed into the printed circuit board through a through metallized hole. When electric voltage of a sinusoidal shape and a resonant frequency is applied from a generator to plates of the batch piezoceramic converter, it, changing its geometric dimensions due to the reverse piezoelectric effect, excites mechanical vibrations of the concentrator and, accordingly, the electrical contact, which is pressed into the hole of the board. 
     EFFECT: preventing the creation of defects, when inserting (mounting) contact pins into printed circuit boards. 
     3 cl, 1 dwg
Patent RU-2749701-C1 (RU)
Title: Pneumatic classifier of grain-and-straw mixtures
Inventor: ZHALNIN EDUARD VIKTOROVICH
IPC: B07B4/02
Filed: 2020-12-21
Granted: 2021-06-16
Abstract: FIELD: agricultural research.SUBSTANCE: invention relates to the field of research equipment for determining the physical and mechanical characteristics of agricultural materials, in particular, grain-and-straw mixtures. The pneumatic classifier of grain-and-straw mixtures includes a receiving storage hopper for the mixture, a dispenser for feeding the mixture, a fan, and sample collectors for collecting fractions. The pneumatic classifier is equipped with air flow velocity sensors, one of which is fixed at the outlet of the fan bell, and the others on wire strings fixed above the sample collectors, three for each of them. The strings are fixed on racks located around the perimeter of the common frame and are covered with vertical transparent curtains at the ends. The overall frame is installed with the ability to move back and forth. The receiving storage hopper is located above the fan, installed with the possibility of changing the angle of inclination of the air flow and shifting back relative to the storage hopper. The width of the output window of the fan bell is equal to the width of the receiving storage hopper.EFFECT: increase in the efficiency of determining such parameters of the pile as the quantitative content and mass of all the components of the pile, the parameters of the trajectories of their movement, the speed of soaring, etc. at different feeds of the pile and the initial air velocity at the fan outlet.1 cl, 4 dwg
Patent RU-2752380-C1 (RU)
Inventor: PALMQVIST LISA
IPC: A61F13/84
Filed: 2018-06-15
Granted: 2021-07-26
Abstract: Впитывающее изделие содержит по меньшей мере слой верхнего листа и слой заднего листа, при этом каждый слой имеет поверхность, обращенную к телу, и поверхность, обращенную к предмету одежды, и продольные и поперечные края, при этом изделие имеет продольную переднюю часть, продольную заднюю часть, и промежностную часть, расположенную между передней и задней частями. Изделие содержит первую и вторую зоны с микрокапсулированным материалом с изменяемым фазовым состоянием на поверхности слоя изделия. Первая и вторая зоны выбраны из зон, имеющих разные микрокапсулированные материалы с изменяемым фазовым состоянием, разные концентрации микрокапсулированного материала с изменяемым фазовым состоянием, или содержат микрокапсулированный материал с изменяемым фазовым состоянием, имеющим разные интервалы температур фазового перехода. 2 н. и 13 з.п. ф-лы, 7 ил., 5 пр.
Patent RU-2759314-C1 (RU)
Inventor: SIVKOV ALEKSANDR ANATOLEVICH
IPC: B82Y40/00
Filed: 2021-01-26
Granted: 2021-11-11
Abstract: Изобретение относится к материаловедению и нанотехнологиям и может быть использовано в водородной энергетике и технологиях очистки воды. Устройство для получения нанокристаллического диоксида титана со структурой анатаза содержит коаксиальный магнитоплазменный ускоритель с цилиндрическим электропроводящим стволом 1, выполненным из титана, центральным электродом, состоящим из наконечника 2 из титана и хвостовика из стали 3. Цилиндрический электропроводящий ствол 1 и центральный электрод соединены электрически плавкой перемычкой 4, выполненной из вазелина массой 0,10-0,25 г и нанесённой на поверхность изолятора 5. Корпус 6 ускорителя выполнен из магнитного материала, причём длина его части, перекрывающей зону размещения плавкой перемычки 4, составляет 40÷50 мм, а ее внешняя поверхность выполнена конусообразной. Соленоид 7 выполнен за одно целое с фланцем 8 и цилиндрической частью 9, укреплен резьбовой заглушкой 10 и прочным стеклопластиковым корпусом 11 и стянут мощными токопроводящими шпильками 12 между фланцем 8 и стеклопластиковым упорным кольцом 13. К токопроводящим шпилькам 12, электрически соединённым с токопроводящим кольцом 14, присоединен первый шинопровод 15 внешней схемы электропитания. Ко второму шинопроводу 16 схемы электропитания, присоединённому к хвостовику 3, последовательно присоединены ключ 17 и конденсаторная батарея 18 ёмкостью 14,4 мФ, соединенная с первым шинопроводом 15. Свободный конец цилиндрического электропроводящего ствола 1 вставлен в первую цилиндрическую камеру 19 через осевое отверстие в первой боковой крышке 20 и герметично зафиксирован с помощью уплотнительных колец 21 и шпилек 22, соединяющих кольцо 23, упирающееся во фланец 8, и первую боковую крышку 26. Первая цилиндрическая камера 19  посредством первого 24 и второго 25 вентилей соединена со снабжёнными манометрами баллонами, наполненными, соответственно, кислородом и аргоном, а через перепускной клапан 28 - со второй цилиндрической камерой 27, которая через третий вентиль 30 соединена с форвакуумным насосом и закрыта четвёртой боковой крышкой 31. Входной   патрубок перепускного клапана 28 вставлен в осевое отверстие во второй боковой крышке 26, а его выходной патрубок - в осевое отверстие в третьей боковой крышке 29. Изобретение обеспечивает низкое содержание примесных фаз в полученном нанокристаллическом диоксиде титана со структурой анатаза. 3 ил., 1 табл.
Patent RU-2764228-C1 (RU)
Title: User terminal and base station
Inventor: MATSUMURA YUKI
IPC: H04W16/28
Filed: 2018-07-13
Granted: 2022-01-14
Abstract: FIELD: wireless communication. 
     SUBSTANCE: invention relates to mobile communication systems. The user terminal comprises: a reception section configured to receive a physical downlink control channel (PDCCH); a control section configured to, when a low-delay beam selection is set by upper level signalling, use the same spatial domain filter to transmit said PDCCH and transmit and receive a specific channel. 
     EFFECT: possibility of changing the state of the TCI transmission configuration indicator or the channel beam at a high speed. 
     6 cl, 16 dwg
Patent RU-2763654-C1 (RU)
Title: Method for treatment of dysplastic coxarthrosis
Inventor: Mamatkulov Oybek Xalikovich
IPC: A61B17/66
Filed: 2021-03-24
Granted: 2021-12-30
Abstract: FIELD: medicine.  
     SUBSTANCE: invention relates to medicine, namely orthopedics and traumatology, can be used in the surgical treatment of patients with degenerative-dystrophic diseases of the hip joint by endoprosthetics. At the first stage, the metered reduction of the femur and the formation of a soft-tissue regenerate are carried out. To do this, the pelvic support of the device is mounted for lowering the femur in the form of an arc on the ilium, then the femoral support  is mounted on the femur and they are connected with three telescopic rods with single-plane fixed hinges. From the second day after the operation, distraction begins at a rate of 2 mm per day. During the migration of the wires, the end of the migrating wire from the side free from the thrust pad is released, a bone screw with a through axial channel is inserted on the wire, screwing its end with a screw thread into the bone, the free end of the bone screw is fixed, the wire is stretched and its end is bent into the slot on the screw, pressing with a nut, similarly, bone screws are installed on the next wire. After reaching the required position of the femoral head, hip replacement is performed with the formation of a joint capsule from soft-tissue regenerate.  
     EFFECT: method reduces the risk of instability of the endoprosthesis after its implantation and increases the survival rate of the hip joint endoprosthesis due to the combination of techniques of the claimed invention.  
     1 cl, 7 dwg
Patent RU-2757251-C1 (RU)
Title: Method for endovideosurgical determination of intestinal viability intracted in inguinal hernia
Inventor: Krikunov Dmitrij Yurevich
IPC: A61B17/94
Filed: 2021-04-05
Granted: 2021-10-12
Abstract: FIELD: medicine. 
     SUBSTANCE: invention relates to medicine, namely to hernia surgery, and can be used in the surgical treatment of strangulated inguinal hernias. Trocars are placed. The restrained bowel loop is removed from the restraining ring into the abdominal cavity. The trocar is removed from the abdominal cavity and an intestinal laparoscopic clamp with a ratchet is passed through it. With the help of a laparoscopic clamp rack, the pulse oximeter is fixed in an open form and an entry into the abdominal cavity is performed with a trocar with a pulse oximeter fixed in it. A pulse oximeter is put on the strangulated bowel loop. The level of blood saturation of the strangulated organ with oxygen is determined, and when the blood is saturated with oxygen of 80% and above, the intestine is determined as viable. 
     EFFECT: method allows reducing the risk of removing a viable organ; reduce the risk of developing necrosis of the intestinal area that has been in a strangulated hernia in the early postoperative period and, as a result, reduce the risk of developing peritonitis in the postoperative period. 
     1 cl, 2 ex
Patent RU-2763358-C1 (RU)
Title: Method for gas-phase deposition of tantalum carbide on the surface of products
Inventor: BALDAEV LEV KHRISTOFOROVICH
IPC: C23C16/455
Filed: 2021-04-26
Granted: 2021-12-28
Abstract: FIELD: nanotechnology.  
     SUBSTANCE: invention relates to a method for gas-phase deposition of coatings of tantalum carbides on the surface of the product and can be used to create protective coatings with high hardness, resistance to erosion and ablation, for example, on graphite products and carbon-carbon composites in combustion chambers and nozzles of aircraft engines, to create wear-resistant hard coatings and coatings with high antifriction properties, for coatings that play the role of a diffusion barrier for oxygen and other elements in microelectronics products, in such as a gate electrode in n-type oxide-metal-semiconductor structures, for coatings accumulating solar energy and solar cells promising for manufacturing. The method for gas-phase deposition of tantalum carbides on the surface of the product includes the supply of tantalum halide vapors, carbon halide vapors and reducing metal vapors to the surface of the product. Vapors of these substances are transported in streams of inert carrier gases through various channels to the surface of the product. When tantalum carbides are deposited on the surface of the product near the surface, the reagents are mixed with the elemental composition of the mixture with the ratios Ta/C from 0.1 to 10 and Me/(G1+G2) from 0.1 to 10 and heating of reagents to temperatures of 850-1400 K, while Me is a reducing metal, G1 is a halogen used in Ta halide, G2 is a halogen used in carbon halide.   
     EFFECT: deposition of a coating of tantalum carbides on the surface of products is ensured at lower deposition temperatures, with reduced requirements to the equipment used and increased safety of deposition processes to obtain coatings of improved quality.  
     5 cl, 1 dwg
Patent RU-2764507-C1 (RU)
Title: Construction of roadwear with fiber reinforcement
Inventor: Grishina Alla Sergeevna
IPC: E01C3/04
Filed: 2021-05-05
Granted: 2022-01-18
Abstract: FIELD: construction. 
     SUBSTANCE: invention relates to construction, namely the construction of temporary roads at a construction site. The pavement structure is a compacted fibrous soil, which is a mixture of particles of non-cohesive or slightly cohesive soil and short synthetic reinforcing fibers, evenly distributed throughout the volume of the soil. The proposed design will increase the strength, bearing capacity and reduce the deformability of dirt roads. This design is proposed to be used for the construction of temporary roads at the construction site. 
     EFFECT: use of scraps of plastic nets formed during production will reduce the cost of installing the road and dispose of waste. 
     1 cl, 1 dwg, 1 tbl
Patent RU-2758797-C1 (RU)
Inventor: Kharisov Ildar Rishatovich
IPC: G06N3/02
Filed: 2021-05-07
Granted: 2021-11-01
Abstract: FIELD: railway transport. 
     SUBSTANCE: invention relates to a method for preventing the wheels from stalling. The method for protection against stalling of wheelsets of electric rolling stock with asynchronous traction motors consists in measuring the active electrical power of the stator windings of asynchronous tractive motors, the ambient temperature, the horizontal position of the traction section, the shafts angular rotational speeds of traction motors and the linear speed of traction section. Determine the average angular rotation frequency of the shafts of asynchronous tractive motors, the current depth of stalling process and transmit it to an artificial neural network of direct propagation with a time delay equal to one second. An artificial neural network of direct propagation is trained according to algorithm of the error back propagation method. Then, from the output of the trained artificial neural network, the value of the predictive depth of stalling process is obtained and then the threshold power is determined. Determine the absolute difference in active electrical capacities, compare the obtained value and the value of threshold power. Then signals are generated about a decrease in the angular speed of excessively sliding wheelset.  
     EFFECT: invention increases traction properties of electric rolling stock.  
     1 cl, 1 dwg