Abstract: Provided is a device to be charged. The device includes: a battery supply circuit, including first and second cells configured to switch between being coupled in parallel with each other and being coupled in series with each other; a charging interface, through which the device receives output voltage and current of an adapter; a first charging circuit coupled between the charging interface and the battery supply circuit, and configured to convert the output voltage and apply the converted output voltage on both ends of the first and second cells coupled in parallel; and a second charging circuit coupled between the charging interface and the battery supply circuit, and configured to directly apply the output voltage and current on both ends of the first and second cells coupled in series, or directly apply the output voltage and current on both ends of the first and second cells coupled in parallel.

Abstract: A gasket includes a first face separated a predetermined distance from a second face, having a common though-hole. A metal frame is disposed between the first and the second faces, the metal frame supporting a first feature extending outwardly from opposing planar sides of the frame towards the first and the second faces, as well as supporting a second feature also extending outwardly from opposing planar sides of the frame towards the first and the second faces. The first feature is compressible when pressure is applied to the first and the second faces, and the second feature is incompressible when the pressure is applied to the first and the second faces. The first and the second features are continuous and concentrically aligned with one another about the through-hole, and the first feature is inclined towards the through-hole.

Abstract: Embodiments of the present disclosure provide a charging method for multiple cells. The method includes: converting a received charging voltage to obtain a converted charging voltage; and charging multiple cells connected in series with the converted charging voltage. The technical solution according to embodiments of the present disclosure reduces the charging current and the heat generated by a terminal during the charging process. Meanwhile, when the charging current remains the same, the charging voltage is increased, achieving fast charging.

Abstract: Embodiments of this application disclose a method and apparatus for training an image region segmentation model, and an image region segmentation method and apparatus. The method includes acquiring a sample image set, and each image of the sample image set having first annotation information; generating graph structure data corresponding to a sample image in the sample image set, the graph structure data comprising multiple nodes, and each node comprising at least one pixel in the sample image; determining second annotation information of each node according to the graph structure data and the first annotation information corresponding to the sample image by using a graph convolutional network model, a granularity of the second annotation information being smaller than a granularity of the first annotation information, the graph convolutional network model being a part of an image segmentation model; and training the image segmentation model according to the second annotation information.

Abstract: The disclosure provides an image processing method and apparatus. The method may include acquiring a target image having at least two division regions. The division region includes an annotation point, and the annotation point is corresponding to a target segmentation object. The method may further include performing iterative expansion on the annotation points to obtain an iterative expansion region. The method may further include determining a first loss result between the iterative expansion region and the division region and a second loss result between the iterative expansion region and the annotation point. The method may further include, when the first loss result and the second loss result meeting a termination condition, stopping the iterative expansion to obtain a resulting iterative expansion region. The method may further include determining the resulting iterative expansion region as a region where the target segmentation object is located in the target image.

Abstract: The present invention relates a process for the synthesis of 6-((3S,4S)-4-methyl-1-(pyrimidin-2 ylmethyl)pyrrolidin-3-yl)-3-tetrahydropyran-4-yl-7H-imidazo[1,5-a]pyrazin-8-one, comprising use of the chiral acid (+)-O,O-Dibenzoyl-D-tartaic acid.

Abstract: An apparatus is described. The apparatus includes a cover to enclose a junction between respective ends of first and second fluidic conduits. The first and second fluidic conduits transport a coolant fluid within an electronic system. The apparatus also includes a leak detection device to be located within a region that is enclosed by the cover when the junction is enclosed by the cover. The leak detection device is to detect a leak of the coolant fluid at the junction when the junction is enclosed by the cover. The first and second fluidic conduits extend outside the cover when the junction is enclosed by the cover. Another apparatus is also described. The other apparatus includes a leak detection device to detect a leak of coolant fluid from a specific component or junction in a liquid cooling system of an electronic system.

Abstract: Provided is a steel comprising the following chemical composition in percentage by mass: 0.150-0.250% of C, 0.10-0.50% of Si, 0.60-1.50% of Mn, 0.30-1.20% of Cr, 0.20-0.80% of Mo, 2.00-4.00% of Ni, 0-0.10% of Nb, 0.0010-0.0050% of B, 0-0.12% of V, 0.003-0.06% of Ti, 0.01-0.08% of Al, the balance being Fe and unavoidable impurities. Also provided is a steel bar and a manufacturing method thereof. The steel bar is made from the above steel. The manufacturing method comprises the steps of smelting and casting, heating, forging or rolling, quenching, and tempering.

Abstract: A one-step process for preparing a reticulated flexible polyurethane foam, a reticulated flexible polyurethane foam prepared by the process, and the use of the flexible polyurethane foam in sofa, mattress and the like are provided. The process is a one-step process, which does not comprise the step of the reticulation treatment, and therefore is safe, environmentally friendly and highly efficient.

Abstract: An autonomous catapult-assisted take-off, recycling, and reuse device and method of a flapping-wing unmanned aerial vehicle (UAV) are provided. The device includes a base, an attitude adjusting mechanism, a catapult mechanism, a recycling mechanism, a control processing unit, a power supply module, and a sensor unit, where the attitude adjusting mechanism includes a connector, a counterweight, an adjusting motor, an attitude adjusting input gear, an attitude adjusting output gear, an attitude adjusting output gear shaft, and an installation platform; the catapult mechanism includes a catapult motor, a catapult motor frame, a pulley, a pull rope, a winch, a pull rope fixing part, a flapping-wing aircraft fixing part, two slide bars, two compression springs, and a catapult gear set; and the recycling mechanism includes a recycling motor, a recycling mechanical arm, a recycling platform, two sprockets, and a recycling gear set.

Abstract: The application provides an information dissemination system including a first electronic device and a router. The first electronic device receives a first sound signal and recognizes the first sound signal according to a speech recognition algorithm to generate a first address information and a first coded information content. The router is connected to a local area network to receive the first encoded information content and semantically parse the first encoded information content to produce a parsed result. The router sends the parsed result over local area network. The router determines whether the first address indicated by the first address information is in the local area network according to the first address information, so as to send the parsed result to at least a second electronic device corresponding to the first address.

Abstract: A system for sensing touch or proximity include: a first number of input terminals configured to couple one or more capacitive sensors, a second number of transferring units configured to transfer charges from the one or more capacitive sensors through the first number of input terminals in transferring phases of cycles of the one or more capacitive sensor, wherein at least one of the first and second numbers is equal to or greater than two, and a first switching unit, coupled between the first number of input terminals and the second number of transferring units, configured to selectively electrically couple any one of the first number of input terminals to any one of the second number of transferring units in the transferring phases.

Abstract: An aqueous fire extinguishing agent and a preparation method thereof are provided, which are used for making a throw-type fire extinguisher. The aqueous fire extinguishing agent is composed of two compositions of A and B. The composition A is a fortified water added with a flame retardant (e.g., one or more of ammonium chloride, diammonium hydrogen phosphate and ammonium polyphosphate), a wetting agent (e.g., alkyl polyglycoside) and a colloid (e.g., polyacrylamide solution). The composition B is a regulator. After the composition A and the composition B are mixed, a discharge rate/speed of fire extinguishing substances is increased, so that an escape passage/route can be opened up quickly.

Abstract: A method for controlling a connection between a user equipment and a network includes receiving, by a MME, a network connection request sent by a user equipment. The method further includes determining a priority of the network connection request and a network overload state. The method further includes controlling a connection between the user equipment and a network according to the priority of the network connection request and the network overload state.

Abstract: This application provides a biological sequence data processing method including selecting a target base from bases in a biological sequence fastq file according to characteristic information of each base. A base patch file is generated by using characteristic information of the target base. Lossless compression is performed on the biological sequence fastq file to obtain a compressed fastq file, and lossless compression is performed on the base patch file to obtain a compressed patch file. The compressed patch file and the compressed fastq file are decompressed. In response to determining that characteristic information of the target base in the decompressed compressed patch file is inconsistent with characteristic information of the target base in the decompressed compressed fastq file, the characteristic information of the target base in the decompressed compressed fastq file is modified to the characteristic information of the target base in the decompressed compressed patch file.

Abstract: A system generating an electrical signal based on at least one physical quantity, includes sensor units each generating an individual electrical signal in response to the at least one physical quantity, a selecting unit selecting a first number of sensor units from the sensor units and outputting a first combined electrical signal based on the first number of sensor units, and a calibrating unit determining a second number of sensor units to be selected based on the first combined electrical signal.

Abstract: A moisture resistant pad for a liquid crystal panel, including at least one moisture resistant construction including a central region and an edge region disposed around the central region, wherein the edge region includes a first undulation structure disposed around the central region, the first undulation structure being a closed structure for blocking water vapor out of the central region. In the moisture resistant pad for a liquid crystal panel, channels formed within a surface of a product that needs to be moisture resistant are isolated from the external environment so that water vapor in the external environment cannot contact the product surface through the channels. As a result, the pad has good moisture resistance, suitable in transportation environments or in packaging container environments.

Abstract: The present application provides a heat exchange device.

Abstract: The present disclosure features a composite fabric, including a nonwoven layer including polymeric fibers and/or filaments; a crosslinked cellulose layer including crosslinked cellulose fibers; wherein the crosslinked cellulose layer is positioned opposed to the nonwoven layer (e.g., without an intervening layer different from the crosslinked cellulose layer and the nonwoven layer; in some embodiments, the crosslinked cellulose layer is immediately adjacent to the nonwoven layer); and an interfacial region between the nonwoven layer and the crosslinked cellulose layer, the interfacial region including physically entangled polymeric fibers and/or filaments from the nonwoven layer and crosslinked cellulose fibers from the crosslinked cellulose layer. The nonwoven layer and the crosslinked cellulose layer of the composite fabric are mechanically inseparable in a dry state.