Abstract: A vaporizer includes: a heating top cover having an airway corner; a heating body; and a liquid return groove extending from the heating top cover to the heating body, the liquid return groove being arranged at the airway corner. In an embodiment, the vaporizer includes a main body and the main body includes a main airway. The heating top cover is arranged in the main body. A top cover airway is formed between the heating top cover and the main body. The top cover airway is in communication with the main airway through the airway corner.

Abstract: The present disclosure provides a backplane, including: a transparent substrate; an electrode layer provided on a side of the transparent substrate and including a plurality of signal transmission lines; a plurality of micro-display light emitting devices provided on a side, facing away from the transparent substrate, of the electrode layer, electrically coupled to the signal transmission lines, and capable of emitting light towards the transparent substrate; a protective layer provided on a side, facing away from the transparent substrate, of the micro-display light emitting devices; and a driving module provided on a side, facing away the transparent substrate, of the protective layer and electrically coupled to the signal transmission lines. The present disclosure also provides a display substrate and a display device.

Abstract: A method for intelligent fault detection and location of a power distribution network is provided, which includes: constructing a network topology of the power distribution network, updating the network topology in real time to obtain an updated network topology, performing a fault identification based on the updated network topology, performing a fault locating based on the updated network topology to determine a fault node, and identifying a fault type based on a fault recorded signal of the fault node. With this method, fault locations and fault types of the power distribution network can be accurately detected in real time.

Abstract: A heating assembly includes: a preheating portion; and a vaporization portion located on the preheating portion. The preheating portion includes a porous ceramic and a positive temperature coefficient thermosensitive material. A circuit in which the preheating portion is located is connected in parallel with a circuit in which the vaporization portion is located.

Abstract: An atomization component includes: a matrix; and a heating film. The matrix includes an atomization surface. The heating film is arranged on the atomization surface, and when energized, heats and atomizes an aerosol-generating substrate on the atomization surface. The heating film includes a metal heating layer and an inorganic protection layer that are stacked, the inorganic protection layer being arranged on a surface of the metal heating layer that is away from the matrix. The metal heating layer includes at least two sub-metal layers that are sequentially stacked. Any two adjacent sub-metal layers have different components.

Abstract: Methods and systems provide for applying a video effect to a video corresponding to a participant within a video communication session. The system displays a video for each of at least a subset of the participants and a user interface including a selectable video effects UI element. The system receives a selection by a participant of the video effects UI element. In response to receiving the selection, the system displays a variety of video effects options for modifying the appearance of the video and/or modifying a visual representation of the participant. The system then receives a selection by the participant of a video effects option, and further receives a subselection for customizing the amount of the video effect to be applied. The system then applies, in real time or substantially real time, the selected video effect in the selected amount to the video corresponding to the participant.

Abstract: A vaporization element of an electronic vaporization device includes: a porous substrate; and a heating layer. The porous substrate includes a vaporization surface and the heating layer covers the vaporization surface. The heating layer includes a conductive layer and a stabilizing layer, the conductive layer covers the vaporization surface, and the stabilizing layer covers a surface of the conductive layer far from the porous substrate. A resistivity of the stabilizing layer is higher than a resistivity of the conductive layer. An oxidation resistance of the stabilizing layer is lower than an oxidation resistance of the conductive layer.

Abstract: This document describes low-footprint dual-band ultra-wideband (UWB) antenna modules. A described UWB antenna module may be used as an internal part of a mobile device (e.g., cellphone, tablet, and/or other mobile devices). The UWB antenna module includes a multi-layer dual-band antenna that includes a set of multi-layer patch antennas, each patch antenna including a layer with a conductive ground plate, a feeding plate layer, and a parasitic strip layer with two parasitic strips, one configured to resonate at a frequency within a first band of the dual-band antenna, the other configured to resonate at a frequency within a second band of the dual-band antenna. The parasitic strips are electromagnetically coupled to the feeding plate.

Abstract: A backboard, comprising a substrate, a first reflecting layer, multiple light-emitting diode chips, and multiple optical structures. The substrate comprises a circuit structure layer. The first reflecting layer is provided on a bearing surface of the substrate, and comprises multiple through holes provided at intervals. One of the multiple light-emitting diode chips is located in one of the multiple through holes, and the multiple light-emitting diode chips is electrically connected to the circuit structure layer. The circuit structure layer is configured to drive the multiple light-emitting diode chips to emit light. One of the multiple optical structures covers a light exit surface of one of the multiple light-emitting diode chips. Light entrance surfaces of the optical structures are in contact with light exit surfaces of the light-emitting diode chips. A light exit surface of the optical structure comprises a curved surface.

Abstract: A heating body includes: a first heat conduction substrate; a second heat conduction substrate; and a heating element. The first heat conduction substrate, the heating element, and the second heat conduction substrate are sequentially stacked and fixedly connected. In an embodiment, surfaces of the first heat conduction substrate and surfaces of the second heat conduction substrate that are arranged close to each other both comprise planes; the heating element includes a first connection portion, a main heating portion, and a second connection portion that are sequentially connected; and the first connection portion and the second connection portion are electrically connectable to an external power supply such that the main heating portion is electrically connectable to the external power supply to implement heating.

Abstract: A delivery apparatus, a delivery system, a delivery method, an electronic device, and a computer readable storage medium are disclosed. The delivery apparatus includes a movable detachably and electrically connected with a cabin, where the movable chassis is configured to include: a first controller mounted inside the movable chassis, and a moving component mounted at a bottom of the movable chassis and connected with the first controller to drive the movable chassis and the cabin to move to a target position according to an instruction of the first controller; the cabin is configured to have one or more accommodation spaces for accommodating to-be-delivered objects. The technical solution greatly improves the delivery efficiency and reduces the delivery cost.

Abstract: An exemplary embodiment of the present disclosure provides a method, an apparatus, a system, an electronic device and a storage medium for robot navigation.

Abstract: A method of labeling a dataset of input samples for a machine learning task includes selecting a plurality of pre-trained machine learning models that are related to a machine learning task. The method further includes processing a plurality of input data samples through each of the pre-trained models to generate a set of embeddings. The method further includes generating a plurality of clusterings from the set of embeddings. The method further includes analyzing, by a processing device, the plurality of clusterings to extract superclusters. The method further includes assigning pseudo-labels to the input samples based on analysis.

Abstract: A modification layer on a surface of a ceramic substrate, includes, in parts by mass: 56 to 67.5 parts of silicon dioxide; 12 to 18 parts of aluminum oxide; and 2.8 to 5.5 parts of lithium oxide. In an embodiment, the modification layer further includes, in parts by mass: at least one of 1.8 to 2.8 parts of phosphorus pentoxide; 0.5 to 2.0 parts of calcium oxide; 0.15 to 1.5 parts of magnesium oxide; and 2.5 to 5.25 parts of barium oxide.

Abstract: The embodiments of the present disclosure provide a driving backplate and a display device adopting the following solutions. The driving backplate comprises: a substrate; a first reflective layer disposed on the substrate; the first reflecting layer is provided with a plurality of first openings; an outline of the first opening comprises a plurality of first grooves; a functional element disposed within the first opening; and a dispensed portion arranged at a periphery of the functional element, and at least part of the first groove is filled by one side of the dispensed portion close to the first reflecting layer.

Abstract: A display substrate includes a first base, a plurality of light-emitting devices disposed on a side of the first base, a light dimming layer located in gaps between the plurality of light-emitting devices and located on surfaces of the plurality of light-emitting devices away from the first base, and a second base covering the light dimming layer. The plurality of light-emitting devices are spaced apart from each other. At least one light-emitting device is surrounded by the light dimming layer, a material of a portion, located in the gaps between the plurality of light-emitting devices, of the light dimming layer includes a light absorbing material, and the light dimming layer is configured to absorb part of light entering the light dimming layer.

Abstract: The parallel multi-region imaging device includes a multi-focus generation module, a spatial demodulation module, and a detection module. The multi-focus generation module is configured to modulate illumination light to generate a plurality of focuses in an object-side, and to form a plurality of different illumination regions, thereby generating multiple paths of signal light through a sample to be imaged. The spatial demodulation module is configured to make spatial energy distribution of each path of signal light no longer overlap or make an overlapping region smaller than a target requirement. The detection module is configured to independently detect each path of signal light passing through the spatial demodulation module, so as to implement parallel multi-region imaging.

Abstract: The present disclosure discloses a place recognition method based on knowledge graph inference; and provides, on the basis of giving a knowledge graph construction method in the place field, a recognition method of general places that is based on knowledge graph inference and can integrate various heterogeneous environmental information, including the following steps: (1) extracting main clues such as the main items that make up the place, the produced events, and the spatial structure from various heterogeneous information, and describing these clues in natural language text; (2) screening the foregoing descriptions by using natural language processing methods, to form place description entities; (3) constructing a knowledge graph in the place field according to the occurrence frequencies of the description entities in an actual environment; and (4) implementing inference and classification based on the knowledge graph by using a Deep Neural Network (DNN), to give a final recognition result.

Abstract: Provided are a display substrate, a tiled display panel and a display device, relating to the field of display technology. The display substrate comprises a base substrate, and a plurality of light-emitting units, a protective layer and a connecting wire which are sequentially stacked in a direction away from the base substrate. One end of the connecting wire is connected to the plurality of light-emitting units through a via hole provided in the protective layer, and the other end is used for connecting a drive circuit, that is, the drive circuit can be directly provided at a side of the protective layer away from the base substrate. When a plurality of display substrates are tiled to form a tiled display panel, there is no need to bend a flexible circuit board at sides of each display substrate, and therefore, the gap between every two adjacent display substrates is small, and the display effect is good.

Abstract: The present disclosure relates to an aerosol generation device and a heating assembly thereof. The heating assembly includes an electrically conductive external tube, an electrical resistance circuit disposed in the external tube and having an electrode electrically connected with the external tube, a first electrode lead wire in electrical connection with the external tube, and a second electrode lead wire in electrical connection with an opposite electrode of the electrical resistance circuit. The external tube is electrically conductive, and electrode lead wires that are needed for the electrical resistance circuit and the temperature detection circuit are led out via the external tube. Such a structural configuration can help to reduce the number of electrode lead wires needed for the heating assembly and to increase the distance among each of the electrode lead wires.