Abstract: Provide are a method and an IoT system for monitoring gas at a smart gas gate station based on safety supervision. The method includes: obtaining gas monitoring data and determining a uniformity degree of the gas based on the gas monitoring data; in response to the uniformity degree satisfying a first preset condition, determining gas component data; obtaining environmental data; determining a component influence coefficient based on the uniformity degree and the environmental data; in response to the component influence coefficient satisfying a second preset condition, generating and transmitting a retrieval instruction to a gas user platform; determining a confidence weight corresponding to the feedback information; determining a monitoring accuracy based on the feedback information, the confidence weight, the gas component data, and the component influence coefficient; and generating and sending an adjustment instruction to a smart gas device object platform based on the monitoring accuracy.

Abstract: The present disclosure relates to an open binaural earphone including a housing, at least one low-frequency speaker, and at least one high-frequency speaker. The housing may be placed on at least one of a head or an ear of a user and not blocking a user's ear canal, and configured to accommodate the at least one low-frequency speaker and the at least one high-frequency speaker. The at least one low-frequency speaker may be configured to output sounds within a first frequency range from at least two first sound guiding holes through at least two first guiding tubes. The at least one high-frequency speaker may be configured to output sounds within a second frequency range from at least two second sound guiding holes through at least two second guiding tubes. The second frequency range may include one or more frequencies higher than one or more frequencies in the first frequency range.

Abstract: Embodiments of the present disclosure provide a clipping earphone, comprising a sound-production portion disposed within a concha cavity of a wearer and in contact with an inner wall of the concha cavity. The sound-production portion includes a shell, the shell forming an accommodation cavity; a sound-production component, accommodated in the accommodation cavity; a sound outlet hole, disposed on the shell and configured to export a sound generated by the sound-production component, wherein a portion of the sound outlet hole is blocked by the inner wall of the concha cavity; an abutting portion, configured to abut against the back of an ear of a wearer; and an ear hook, configured to bypass an antihelix and helix of the wearer to connect the sound-production portion and the abutting portion.

Abstract: A stacking and palletizing device includes a cassette conveying mechanism, a product transporting and flipping mechanism, a product disc stacking mechanism, and a pallet feeding mechanism. The cassette conveying mechanism is provided thereon with an blank disc receiving station, a product loading station and a product disc stacking station; the product loading station is correspondingly provided with a cassette positioning mechanism; a cassette lifting and partitioning mechanism is disposed below the product disc stacking station; the product disc stacking mechanism includes a screw rod lifting mechanism, which is provided thereon with a palletizing and conveying mechanism; and a gantry truss transplanting mechanism is correspondingly disposed above the screw rod lifting mechanism.

Abstract: The present invention discloses a green knowledge recommendation method based on characteristic similarity and user demands, an electronic device and a computer readable storage medium thereof. The method includes: obtaining a current-search text e and a historical-search-texts set Eu both from a user; constructing a topics dictionary and a subtopics dictionary according to a green knowledge base, and decomposing the e and the Eu on the basis of semantic decomposition; picking words in a text-vector set and a valid-text set that about two dictionaries; finding the corresponding knowledge according to user satisfaction. The invention enables users to quickly find the required content through templating, thus avoiding users' meaningless search, improving search efficiency, and reducing the loss of useless time.

Abstract: A data transmission method, a method for feedback of channel state information, an apparatus and a system, the data transmission method including: a network device transmits first information to a terminal equipment, the first information indicating the terminal equipment to generate and feedback channel state information; the network device receives channel state information of N layers transmitted by the terminal equipment, wherein N?2 and channel state information of at least two layers of the channel state information of N layers is indicated by unequal numbers of bits; and the network device transmits data to the terminal equipment according to the channel state information of N layers.

Abstract: Provided are a method, an Internet of Things (IoT) system, and a storage medium for safety monitoring of a smart gas auxiliary component. The method includes: determining a first anomaly value of an auxiliary component based on operation data of the auxiliary component; determining a target acquisition parameter based on the first anomaly value; determining an acquisition instruction based on the target acquisition parameter, and sending the acquisition instruction to at least one of an interactive device of a staff member or a drone to control an infrared detection device to acquire infrared data of the auxiliary component according to the target acquisition parameter; determining a second anomaly value of the auxiliary component based on the infrared data, environmental data, and the first anomaly value; and determining and sending at least one of a maintenance instruction or a parameter adjustment instruction to a monitoring component and the interactive device.

Abstract: The present disclosure may provide a sound-producing device comprising a diaphragm and a housing. The housing may include a first sound guide hole and a second sound guide hole. The diaphragm may be disposed in the housing. A first acoustic cavity and a second acoustic cavity are located on both sides of the diaphragm. The first sound guide hole is acoustically coupled to the first acoustic cavity, and the second sound guide hole is acoustically coupled to the second acoustic cavity. The first sound guide hole includes a first hole part and a second hole part. The first hole part and the second hole part are connected, the first hole part is located at a first side wall of the housing, the second hole part is located at a second side wall of the housing, and the first side wall and the second side wall are two adjacent side walls of the housing.

Abstract: A touch panel includes a touch function area and an electrode layer located in the touch function area. The electrode layer includes of first electrodes arranged in parallel and second electrodes arranged in parallel. The second electrodes are arranged to be spaced apart from the first electrodes and intersect with the first electrodes to form touch units at intersections. In at least one touch unit, a first electrode includes at least one first main electrode and at least one first sub-electrode connected to a first main electrode in the at least one first main electrode, and an extension direction of the first sub-electrode is disposed to be parallel with an extension direction of a touch channel determined by at least one of the first electrode and the second electrode.

Abstract: Provided are a speaker and an electronic device. The speaker comprises a frame and a coil. The coil includes an annular body and a lead connected to the annular body. The annular body is located inside the frame. The frame is provided with pads and a support block spaced around the annular body. The lead has a first end near the annular body and a second end away from the annular body. The second end is fixed on the pads, the support block is located between the first end and the second end, and the lead is further fixed on the support block such that at least a portion of the lead is suspended relative to the frame, making it difficult for the vibration of the lead following the annular body to transmit to the pads.

Abstract: Provided is a dual-neighborhood wear angle automatic detection method, including constructing a proximal neighborhood and establishing grayscale differences between a pixel in a center area and pixels having first directions in the proximal neighborhood; calculating, based on the grayscale differences, deviation degrees of all pixels in the center area in the first directions; calculating a similar direction value based on the deviation degrees; constructing a distal neighborhood and focus pixels having second directions in the distal neighborhood; calculating grayscale differences between the pixel and the focus pixels; calculating deviation degrees of all pixels in the center area, in the second directions based on the grayscale differences between the pixel and the focus pixels; calculating a direction value of a wear angle based on the deviation degrees in the second directions; and calculating the wear angle based on the direction value of the wear angle.

Abstract: Described herein are compounds represented by formula (I), or a pharmaceutically acceptable salt thereof, pharmaceutical compositions comprising the same and methods of preparing and using the same. The variables Ar, X, R1, R3, R4, Y1, Y2, m, n, and p are as defined herein.

Abstract: An uplink transmission method and apparatus. The method includes: receiving by a terminal equipment indication information, wherein the indication information does not include an indication field used for indicating RB set, the indication information scheduling uplink transmission on an uplink bandwidth part including at least two resource block sets; and transmitting the uplink transmission on at least one predefined or preconfigured resource block set.

Abstract: For the organic compound in the present disclosure, by the combination of an anthracene ring and a specific substituent group, a structure of the organic compound has good hole and electron mobility and injection characteristics, and the stability of the compound may be improved. A boron-nitrogen compound provided in the present disclosure has excellent light-emitting characteristics due to a narrow full width at half maximum. When an organic light-emitting device is fabricated by using both the boron-nitrogen compound and the organic compound provided in the present disclosure as a light-emitting layer material, it may be possible to effectively enable the organic light-emitting device to have a relatively low driving voltage and maintain the stability of the voltage, the light-emitting efficiency may be improved, and the service life of the device can also be relatively long.

Abstract: A method for processing information, an apparatus for processing information, a non-transitory computer-readable storage medium, and an electronic device are provided. The method is performed by a first electronic device and includes: in response to a touch operation applied on a cross-screen projection icon of a cross-screen projection application, establishing a screen projection channel with a second electronic device and sending switching indication information to the second electronic device; receiving screen projection data generated by the cross-screen projection application and sent from the second electronic device through the screen projection channel; and playing the screen projection data.

Abstract: A network controlled repeater includes: forwarding processor circuitry; and communicating processor circuitry configured to: transmit capability information for discrete Fourier transform spread orthogonal frequency division multiplexing (DFT-s-OFDM) waveforms to a network device, and receive control information from the network device via a control link, wherein the network controlled repeater supports cyclic prefix orthogonal frequency division multiplexing (CP-OFDM) waveforms for uplink and downlink, an uplink modulation scheme and a downlink modulation scheme; and the forwarding processor circuitry is further configured to perform forwarding at a backhaul link and/or an access link according to the control information.

Abstract: An apparatus for aperiodic channel state information reporting, applied to a terminal equipment, includes: a receiver configured to receive a DCI format used for scheduling a plurality of physical uplink shared channels (PUSCHs) in a plurality of cells, the DCI format comprising a single CSI request field which is applied to a cell with the smallest serving cell index among scheduled cells indicated by another field in the DCI format; and a transmitter configured to perform aperiodic CSI reporting using a PUSCH on the cell with the smallest serving cell index scheduled by the DCI format which triggers an aperiodic CSI trigger state.

Abstract: Augmented reality (AR) systems, devices, media, and methods are described for creating a handcrafted AR experience. The handcrafted AR experiences are created by capturing images of a scene, identifying an object receiving surface and corresponding surface coordinates, identifying a customizable AR primary object associated with at least one set of primary object coordinates, generating AR overlays including the customizable AR primary object for positioning adjacent the object receiving surface, presenting the AR overlays, receiving customization commands, generating handcrafted AR overlays including customizations associated with the customizable AR primary object responsive to the customization commands, presenting the handcrafted AR overlays, recording the handcrafted AR overlays, creating a handcrafted AR file including the recorded overlays, and transmitting the handcrafted AR file.

Abstract: An information indication apparatus, applicable to a network device, includes: a transmitter configured to transmit indication information to a terminal equipment, wherein the indication information indicates: activation/deactivation of a channel state information (CSI) report in a list of CSI reports; and, enabling/disabling of at least one channel state information reference signal (CSI-RS) resource within a CSI-RS resource set; and a receiver, configured to receive a channel state information (CSI) report on a physical uplink shared channel (PUSCH) or a physical uplink control channel (PUCCH).

Abstract: An apparatus for measurement relaxation, applicable to a terminal equipment, the apparatus includes a first controller, the first controller being configured to: for a serving cell configured with two or more beam failure detection reference signal (BFD-RS) sets, control the terminal equipment not to perform measurement relaxation of beam failure detection (BFD).