Abstract: The present disclosure provides an obstacle avoidance method and apparatus for a self-walking device, a medium, and an electronic device. In the present disclosure, current feature information and historical feature information which have spatial meanings are analyzed by using spatial information of the machine body, and a new travel route is re-planned. A travel route suitable for the self-walking device is acquired after evaluation based on the spatial information. Limitations of the travel route planning which solely depends on a distance from the obstacle detected at the same height are avoided, and the route planning effectiveness is improved.

Abstract: The present application relates to the field of battery technology, and discloses a cylindrical battery structure including a cover plate and a housing. The cover plate includes a cover plate main portion and a cover plate connecting portion fixedly connected to each other. One of an edge of the cover plate connecting portion and an edge of the housing is bent to form a bent portion, and another of the edge of the housing and the edge of the cover plate connecting portion is bent to form a hook portion. The hook portion is configured to hang on the bent portion to connect the cover plate and the housing. The cylindrical battery structure disclosed in the application has simpler connection mode, lower connection cost, and faster connection. In addition, the connection mode has lower requirements on assembly accuracy of workpieces in the housing.

Abstract: A telescopic adapter device for a dredging machine includes a protective cover at an exit of a flexible shaft of a dredging machine, a connector detachably connected to the protective cover, a flexible shaft conduit with an inner end fixed in an inner hole of the connector, and a sliding conduit sleeved on an outer wall of the flexible shaft conduit, where the sliding conduit includes an inner end provided with a clamping joint for clamping the flexible shaft conduit, and an outer end provided with a bending portion; and a rubber jacket is sleeved on an outer wall of the bending portion. The telescopic adapter device for a dredging machine not only can prevent damage to a glazed surface at a corner of a toilet, but also improves a turning capacity of the flexible shaft.

Abstract: Embodiments of the present disclosure disclose a headphone including a first acoustic wave generation structure, a second acoustic wave generation structure, an acoustic transmission structure, and a filtering structure. The first acoustic wave generation structure and the second acoustic wave generation structure respectively generate a first acoustic wave and a second acoustic wave. The acoustic transmission structure may be configured to transmit the first acoustic wave and the second acoustic wave to a spatial point outside the headphone. The first acoustic wave transmitted to the spatial point interferes with the second acoustic wave transmitted to the spatial point in a first frequency range, and the interference reduces an amplitude of the first acoustic wave in the first frequency range. The filtering structure may be configured to reduce an amplitude of an acoustic wave generated by the headphone in a second frequency range at the spatial point.

Abstract: The disclosure provides a method for gas leakage emergency treatment based on indoor safety and a smart gas Internet of Things system. The method includes obtaining a gas data of a first area from at least one gas detection device; obtaining the gas data of the first area from a smart gas data center, predicting a gas concentration of a second area; judging whether the gas leakage occurs and determining a diffusion range of the gas leakage, and determining an emergency treatment plan; sending gas leakage information to the smart gas data center, and sending the gas leakage information to a smart gas user platform; and generating a remote control instruction based on the emergency treatment plan and sending the remote control instruction to the smart gas data center, and sending the remote control instruction to an indoor gas device object platform to execute control.

Abstract: A signal transmission method and apparatus, a signal reception method and apparatus and a communication system. The signal transmission apparatus is provided in a network device and includes: a transmitting unit configured to transmit indication information indicating that one information block of at least one information block transmitted by the network device within a time interval is transmitted at one candidate resource in at least two candidate resources within the time interval. The transmission resources of the information blocks are indicated by the indication information, hence, even though the default correspondence between the information block indices and the transmission resources is to be changed, the transmission resources to which the information blocks correspond may be determined, and the terminal equipment is facilitated in downlink synchronization.

Abstract: Embodiments of the present disclosure provide an earphone including: a sound generation component, including a transducer and a housing accommodating the transducer, the housing being provided with a sound outlet hole and a pressure relief hole, the sound outlet hole being provided on an inner side of the housing facing an auricle, and the pressure relief hole being provided on an other side of the housing; an ear hook configured to place the sound generation component near an ear canal without blocking the ear canal in a wearing state; and a microphone assembly at least including a first microphone and a second microphone provided in the sound generation component or the ear hook, the sound generation component or the ear hook being provided with a first sound receiving hole and a second sound receiving hole corresponding to the first microphone and the second microphone, respectively.

Abstract: Embodiments of this disclosure provide an apparatus for transceiving a signal, applicable to a reduced capability UE (Redcap UE), the apparatus including a first transceiving unit configured to enable: the Redcap UE to obtain configuration of a first initial downlink BWP, the first initial downlink BWP being an initial downlink BWP that is separately configured or defined for the Redcap UE; and the Redcap UE to receive a signal by using the first initial downlink BWP before random access is completed.

Abstract: A smart oral cleaner includes a tooth-cleaning component, the tooth-cleaning component includes a first wall body and a second wall body, a hollow structure is formed between the first wall body and the second wall body, the second wall body is recessed towards the first wall body, the second wall body has a first wall surface and a second wall surface arranged opposite to one another, the first wall surface and the second wall surface are provided with jet holes, the second wall body has a shape adapted to a shape of a tooth, and an end surface of the tooth-cleaning component is in a shape of a slope-shaped depression.

Abstract: A liquid agrochemical composition includes an agrochemical including a fungicide and/or an herbicide chosen from dicamba, 2,4-D, glufosinate, and combinations thereof and in an amount of from about 0.05 to about 60 weight percent based on a total weight of the composition; and a surfactant in an amount of from about 0.05 to about 50 weight percent based on a total weight of the composition and consisting of; (i) at least one alkoxylated monoglyceride in an amount of from about 30 to about 45 weight percent, (ii) at least one alkoxylated diglyceride in an amount of from about 40 to about 50 weight percent, (iii) at least one alkoxylated triglyceride in an amount of from about 8 to about 10 weight percent, and (iv) at least one alkoxylated glycerin in an amount of from about 6 to about 8 weight percent, each based on a total weight of the surfactant.

Abstract: A terminal includes a memory, and processor circuitry coupled to the memory and configured to receive a first signal including first control information at a first time domain resource section according to an assumption that a network device uses a first transmission configuration indication (TCI) state, the first signal being physical downlink control channel (PDCCH), the first control information being downlink control information (DCI), and receive a second signal at a second time domain resource section according to an assumption that the network device uses a second transmission configuration indication state, a starting position of the second time domain resource section being determined according to a reference time domain resource section, the reference time domain resource section being a time domain symbol at a last position in the PDCCH where the DCI is located on a time axis.

Abstract: Disclosed is a device for polishing an intraocular lens by using an electrorheological effect. The device comprises a supporting plate (14), an electric motor (16), a conductive slip ring (18), an outer sleeve (20), a tool shaft (22), a connecting flange (24), an annular electrode (26) and a tool needle (28). The electric motor (16), an outer ring of the conductive slip ring (18), and the outer sleeve (20) are all installed on the supporting plate (14). The electric motor (16) drives the tool shaft (22) to rotate by means of a transmission assembly. One end of the tool shaft (22) is closely fitted with an inner ring of the conductive slip ring (18), and the other end of the tool shaft extends into the outer sleeve (20). The connecting flange (24) is installed on the outer sleeve (20). The annular electrode (26) is connected to the connecting flange (24). One end of the tool needle (28) is connected to the tool shaft (22), and the other end of the tool needle extends out of the annular electrode (26).

Abstract: A cleaning roller device is provided. The cleaning roller device comprises a transversely-arranged cleaning roller, a roller bearing device, and a roller driving device capable of driving the cleaning roller to rotate around the central axis of the cleaning roller on the roller bearing device, wherein a front-end central pipe and a rear-end central pipe are respectively arranged along the front-end central axis and the rear-end central axis of the cleaning roller and are respectively connected to rotary joints. The rotary joints are used for respectively connecting external pipelines communicated with a water source and a steam source; the front end of the cleaning roller is provided with a solid barrel fragment outlet and a barrel fragment outlet sealing cover, and the rear end of the cleaning roller is provided with a liquid outlet; a feed port is formed in the wall of the cleaning roller.

Abstract: Some disclosed embodiments are directed to methods and systems for performing pair-wise delta compression. For example, systems obtain a set of files to be compressed into a single compressed file. The system identifies different attributes related to the set of files. For each file in the set of files, the system predicts an optimized set of candidate compression files and calculates a delta between each file in the optimized set and the target file corresponding to the optimized set. After identifying the smallest delta, the system compresses the selected pair of files associated with the smallest delta in order to generate the single compressed file for the set of files.

Abstract: Synthetic adenoviruses with liver detargeting mutations and expressing an adenovirus type 34 (Ad34) fiber protein, or a chimeric fiber protein with an Ad34 knob domain, are described. The synthetic adenoviruses traffic to sites of tumors. Use of the synthetic adenoviruses for delivering diagnostic or therapeutic transgenes to tumors are also described.

Abstract: According to an aspect of the present inventive concept there is provided a microfluidic device comprising: at least one structure arranged in a pocket-defining layer defining a pocket in the pocket-defining layer; a semiconductor chip arranged in the pocket, the semiconductor chip comprising at least one electrode at the surface of the semiconductor chip; an electrical connection layer arranged above the semiconductor chip, wherein the electrical connection layer comprises electronic connections electrically connected to the at least one electrode and arranged to extend laterally in the electrical connection layer away from the semiconductor chip; at least one fluidic channel extending through the pocket-defining layer and above the semiconductor chip, the fluidic channel being arranged to be in fluidic communication with the at least one electrode.

Abstract: The present invention provides a display panel and a manufacturing method thereof, and a display device. The display panel includes a light emitting device layer and an array substrate. The array substrate includes a substrate layer, an insulation module, a first conductive layer and a second conductive layer. The insulation module is disposed on the substrate layer. The first conductive layer and the second conductive layer are disposed in the insulation module at different layers. The first conductive layer includes pad layers, and orthographic projections of the pad layers and the second conductive layer on the substrate layer are not overlapped. Alternatively, first grooves are provided on a surface of the substrate layer facing the conductive structure, and orthographic projections of the first grooves and the second conductive layer on the substrate layer are overlapped.

Abstract: A display substrate includes a substrate, a plurality of photosensitive sensors disposed on a side of the substrate, and a first light guide layer disposed on a side of the plurality of photosensitive sensors away from the substrate. A material of the first light guide layer includes a light-shielding material. The first light guide layer is provided with a plurality of first through holes, and an orthographic projection of at least one first through hole on the substrate is located within a range of an orthographic projection of a photosensitive sensor of the plurality of first through holes on the substrate.