Abstract: A medical endoscope image recognition method is provided. In the method, endoscope images are received from a medical endoscope. The endoscope images are filtered with a neural network, to obtain target endoscope images. Organ information corresponding to the target endoscope images is recognized via the neural network. An imaging type of the target endoscope images is identified according to the corresponding organ information with a classification network. A lesion region in the target endoscope images is localized according to an organ part indicated by the organ information. A lesion category of the lesion region in an image capture mode of the medical endoscope corresponding to the imaging type is identified.

Abstract: A on-board charger includes a microprocessor and a storage battery connected with a DC charger. A first sampling point is disposed between the DC charger and a storage battery. A second sampling point is disposed between the storage battery and the microprocessor. The microprocessor is configured to: obtain a first voltage and a current of the first sampling point, and obtain a second voltage of the second sampling point; and determine the connection between the storage battery and the DC module is cut off and record a first difference between the second voltage and the first voltage, when the first voltage is greater than the second voltage and the current is less than a preset current threshold.

Abstract: An electrode plate, which includes a current collector and an active material layer arranged on at least one surface of the current collector. The active material layer includes an electrode active material and a softener. The softener includes one or more of A diblock copolymer A-B and a triblock copolymer A-B-A, where block A includes a polyether segment, and block B includes one or more of a polyamide segment, a polyvinylpyrrolidone segment and a polyacrylonitrile segment.

Abstract: The disclosure proposes a method for remote upgrade and rollback of Unmanned Aerial Vehicle (UAV) software. The UAV includes a storage area and a UAV software upgrade module; and the storage area is divided into a main storage area, a backup storage area and a data area.

Abstract: The present application provides a dispersant and a preparation method thereof, a slurry composition and a preparation method thereof, an electrode, and an apparatus containing the electrode plate. The dispersant includes a block copolymer having a first block and a second block, the first block includes a first repeating structural unit shown in Formula I) and a second repeating structural unit shown in Formula II), and the second block includes a third repeating structural unit shown in Formula III) and a fourth repeating structural unit shown in Formula IV), in which n is any integer from 1-25, R1 to R7 are independently selected from hydrogen, halogen, cyano, carbonyl, carboxy, nitro, sulfonyl, amide, ester, substituted or unsubstituted C1-C15 alkyl or alkoxy, and substituted or unsubstituted C6-C30 aryl and R8, R9, and R10 have a dipole moment of greater than 2×10?30 C·m.

Abstract: A screen projection method includes: in response to receiving a screen projection instruction triggered by a user, determining a virtual screen to be projected according to a target interface displayed by a target screen of the electronic device; projecting the virtual screen to a target screen projecting device; and, in response to receiving a first control switching instruction triggered by the user, switching a control object of the external control device from the target screen to the virtual screen and setting a control object of a control component of the electronic device as the target screen.

Abstract: A modified binder includes a conductive carbon nanotube and a first grafting agent located on the conductive carbon nanotube. The first grafting agent includes a copolymer of acrylic-based monomer unit-acrylamide-based monomer unit and/or a copolymer of acrylic-based monomer unit-acrylonitrile-based monomer unit-acrylamide-based monomer unit.

Abstract: This application provides a positive electrode slurry including a solid inclusion and water, where the solid inclusion includes a positive electrode active material capable of intercalating and deintercalating lithium ions and lithium-containing graphene.

Abstract: A positive electrode sheet includes a positive electrode current collector and a positive electrode film disposed on at least one surface of the positive electrode current collector and including an additive. The additive includes a structural unit made from acrylonitrile and a structural unit made from a monomer represented by following formula: where R1, R2, R3, and R4 are each independently selected from hydrogen, an alkyl group with 1-8 carbon atoms, or a saturated carboxylic acid group with 1-8 carbon atoms, and at least one of R1, R2, R3, or R4 is selected from the saturated carboxylic acid group with 1-8 carbon atoms.

Abstract: A surface treatment composition includes, expressed as parts by weight, a first ingredient of 1 to 30 parts and a second ingredient of 1 to 30 parts. The first ingredient is a polycaprolactone modified with an acidic group and/or a salt of the acidic group. The second ingredient is selected from polyether-modified polyolefin acid, polyether-modified polyalkenoate salt, polyether-modified polyalkenoate ester, or a combination thereof.

Abstract: A surface treatment composition includes, expressed as parts by weight, a first ingredient of 1 to 30 parts and a second ingredient of 1 to 30 parts. The first ingredient is a polycaprolactone modified with an acidic group and/or a salt of the acidic group. The second ingredient is selected from polyether-modified polyolefin acid, polyether-modified polyalkenoate salt, polyether-modified polyalkenoate ester, or a combination thereof.

Abstract: A negative electrode composition includes a negative active material and a plasticizer. The plasticizer includes a first plasticizer. The first plasticizer includes at least one of a POSS-containing block copolymer or a polyester containing a —[O—CH(CH3)—C(?O)]— structural unit.

Abstract: The present application relates to an aqueous positive electrode sheet, including a current collector and a positive electrode active substance layer provided on at least one surface of the current collector, the positive electrode active substance layer including an aqueous binder, where bond strength AT between the positive electrode active substance layer and the current collector and cohesive CT of the positive electrode active substance layer itself satisfy the following relationship: 1?CT/AT?10. The present application further relates to a secondary battery including the aqueous positive electrode sheet, a battery pack including the secondary battery, and a power consumption apparatus including the battery pack.

Abstract: A positive electrode plate, a secondary battery, a battery module, a battery pack, and an electrical device are disclosed. The positive electrode plate includes a positive current collector, and a positive active material layer disposed on at least one surface of the positive current collector. The positive active material layer includes a first active material layer and a second active material layer that are sequentially stacked in a direction away from the surface. The first active material layer includes a first composite particle. The first composite particle includes a first lithium iron phosphate particle and a first carbon layer that coats a surface of the first lithium iron phosphate particle. The second active material layer includes a second composite particle. The second composite particle includes a second lithium iron phosphate particle and a second carbon layer that coats a surface of the second lithium iron phosphate particle.

Abstract: A positive electrode plate, a secondary battery comprising the positive electrode plate, as well as a battery module, a battery pack, and a power consuming device are provided. The positive electrode plate of the present invention comprises: a positive current collector and a positive film layer comprising a first positive film layer and a second positive film layer, wherein the first positive film layer is disposed on at least one surface of the positive current collector and comprises a first positive active material comprising a hollow particle material, and the second positive film layer is disposed on the first positive film layer and comprises a second positive active material comprising a solid particle material.

Abstract: The present application relates to an aqueous positive electrode sheet, which may include a current collector and a positive electrode active substance layer provided on at least one surface of the current collector, the positive electrode active substance layer may include an aqueous binder, where the porosity of a surface area of the positive electrode active substance layer may be greater than the porosity of an inner area of the positive electrode active substance layer, and the average particle size of the positive electrode active material in the surface area may be greater than the average particle size of the positive electrode active material in the inner area. The present application further relates to a secondary battery including the aqueous positive electrode sheet, a battery pack including the secondary battery, and a power consumption apparatus including the battery pack.

Abstract: A charging device includes a first DC convertor and controller. The first DC convertor is configured to convert a DC signal outputted by a power battery to a DC signal required for a storage battery. The first DC convertor includes a first half-bridge logical link control (LLC) circuit and a second half-bridge LLC circuit arranged in parallel. The controller is connected with the first half-bridge LLC circuit and the second half-bridge LLC circuit and configured to acquire a total output current of the first DC convertor, and control the first half-bridge LLC circuit and the second half-bridge LLC circuit to operate alternately when the total output current is less than a current threshold.

Abstract: A charging device includes a PFC circuit, a first DC conversion module, a second DC conversion module, a switch module, and a control module. The PFC circuit includes at least three-phase bridge arm and is configured to perform PFC on an input AC and output a DC signal after the PFC. The first DC conversion module and the second DC conversion module are coupled to the PFC circuit to convert the AC signal. The switch module configured to turn on the three-phase bridge arm of the PFC circuit during three-phase charging or turn on one of the three-phase bridge arm of the PFC circuit during one-way charging. The control module is connected to the PFC circuit, the first and second DC conversion modules, and the switch module to control the charging device to perform single-phase charging or three-phase charging.

Abstract: A method for charging control of a hybrid electric vehicle, includes: receiving a charging instruction; acquiring a first voltage of a power battery and a second voltage of a storage battery in response to receiving the charging instruction; in response to determining that the first voltage is less than the first voltage threshold and the second voltage is less than the second voltage threshold, disconnecting the OBC from the power battery and charging the storage battery through the OBC and the DC for a charging duration; and in response to that the charging duration of the storage battery reaches a duration threshold, connecting the OBC to the power battery and charging the power battery through the OBC.

Abstract: A control method includes the following steps: when the DC-DC converter works every time, acquiring total time TC for controlling an H-bridge in a third mode and total time TD for controlling the H-bridge in a fourth mode, and acquiring set time Ti for controlling the H-bridge in the third mode and set time Tm for controlling the H-bridge in the fourth mode in each working cycle during a working process of the DC-DC converter; judging a relation between the TC and the TD; and selecting the mode for controlling the H-bridge when the DC-DC converter is started according to the relation between the total time TC and the total time TD, and alternately controlling the H-bridge according to the Ti and the Tm, the second switch transistor, the third switch transistor and the fourth switch transistor in the H-bridge to be relatively balanced.