Abstract: The disclosure relates to tricyclic heterocyclic derivatives as shown in Formula (I), to pharmaceutical compositions comprising them, to a process for their preparation, and their use as therapeutic agents.

Abstract: A novel positive electrode sheet, a secondary battery, a battery module, a battery pack and an electrical apparatus are described. The positive electrode sheet includes a positive electrode current collector and a positive electrode film layer with a single-layer structure or a multi-layer structure. When the positive electrode film layer is a single-layer structure, at least one of the positive electrode film layers comprises a first positive electrode active material and a second positive electrode active material; and/or, when the positive electrode film layer is a multi-layer structure, at least one layer of at least one of the positive electrode film layers comprises a first positive electrode active material and a second positive electrode active materials. The first positive electrode active material includes an inner core, a first cladding layer comprising crystalline pyrophosphates, a second cladding layer comprising crystalline phosphate, and a third cladding layer.

Abstract: Embodiments of the present disclosure relate to multimedia processing method, apparatus, device and medium, wherein the method includes: presenting a first multimedia interface comprising first content; receiving an interface switching request of a user in the first multimedia interface; and switching from the first multimedia interface currently presented to a second multimedia interface, and presenting second content in the second multimedia interface, wherein the first content comprises the second content and other content associated with the second content, and the second content comprises a target audio and a target subtitle corresponding to the target audio.

Abstract: A detection device adapted to verify or determine a welding quality includes a housing, a moving assembly, a mounting bracket, and a rotating assembly. The moving assembly is movably installed on the housing and is adapted to be moved up and down in a vertical direction. The mounting bracket is fixed to the housing. The rotating assembly includes a rotating member rotatably connected to the mounting bracket and movably connected to the moving assembly, and a contact probe fixed to the rotating member. The contact probe is adapted to make sliding contact with a second component welded on a first component and to push the moving assembly to move in the vertical direction through the rotating member.

Abstract: Online ride-hailing and invoice issuing methods, systems and apparatuses are provided. An example method comprises: receiving a first ride-hailing request from a user terminal, wherein the first ride-hailing request includes one or more transport capacity types, one or more online ride-hailing service providers providing the corresponding one or more transport capacity types, a start location and a destination location; sending one or more second ride-hailing requests to one or more online ride-hailing service platforms corresponding to the one or more online ride-hailing service providers according to the one or more transport capacity types and the one or more online ride-hailing service providers; receiving one or more second ride-hailing response messages returned by one or more of the one or more online ride-hailing service platforms; and returning a first ride-hailing message to the user terminal based on the second one or more ride-hailing response messages.

Abstract: A display substrate and a display device are provided. Sub-pixels in the display substrate include a first electrode, a light emitting layer and a second electrode which are sequentially stacked; each second electrode includes a main body electrode and a connecting electrode. The sub-pixels include first color sub-pixels and second color sub-pixels, the main body electrode of a same first color sub-pixel is a continuous electrode. The sub-pixels include sub-pixel pairs, each sub-pixel pair includes a first pixel block and a second pixel block, a shape of the second electrode of the second pixel block is different from that of the second electrode of the first pixel block.

Abstract: A display substrate and a display device are provided. The display substrate includes a display region including light emitting units; the light emitting units are arranged into light emitting unit rows, and the light emitting units in one of the light emitting unit rows are arranged along a first direction; the light emitting units include first light emitting units. In at least part of the display region: distances, in the first direction, between a light emitting region of one first light emitting unit and light emitting regions of two of the first light emitting units adjacent to the one first light emitting units are different, and/or distances, in a second direction, between a light emitting region of one first light emitting units and the light emitting regions of two of the first light emitting units adjacent to the one first light emitting units are different.

Abstract: The present disclosure relates to a method and an apparatus for clock distribution in network. The method performed by a first clock distribution apparatus may comprise: determining (S101) whether the first clock distribution apparatus is in a first state; generating (S102) information indicating a remaining time duration for the first clock distribution apparatus keeping a preconfigured accuracy, when the first clock distribution apparatus is in the first state, and transmitting (S103) the information indicating the remaining time duration. According to embodiments of the present disclosure, the downstream apparatus may obtain more information for selecting an upstream clock source.

Abstract: A non-linear distortion compensation circuit includes: a first input terminal of a linear dynamic circuit is configured to input an audio signal, and an output terminal is separately connected to a first input terminal of a gain module and a first input terminal of a multiplier; a second input terminal of the gain module is configured to input the audio signal, and an output terminal is connected to a second input terminal of the multiplier; an output terminal of the multiplier is connected to a first input terminal of a non-linear inverse dynamic circuit; a second input terminal of the non-linear inverse dynamic circuit is configured to input the loudspeaker model parameter, and an output terminal is connected to a loudspeaker. A compression gain that is output by the gain module is used to compress, by using the multiplier, a linear signal that is output by the linear dynamic circuit.

Abstract: This application discloses an audio signal processing method and apparatus, an electronic device, and a storage medium. The method includes: determining, when a first audio signal is a single-frequency signal or a frequency-sweeping signal and a frequency point of the first audio signal belongs to a target frequency band, a power protection gain based on a power and the frequency point of the first audio signal; and performing compression processing on the first audio signal based on the power protection gain.

Abstract: An image processing method is provided, including: obtaining M images acquired by M cameras arranged around a target region; and based on a region in which a target subject is located in the M images, determining one primary camera from the M cameras, and determining N secondary cameras from the M cameras based on a first primary camera, where images acquired by the one primary camera and the N secondary cameras are used to generate a free-viewpoint video, and a region in which the target subject is located in the free-viewpoint video is related to a region in which the target subject is in an image acquired at a primary camera position. The primary camera and the secondary cameras are selected based on the region in which the target subject is located in each of the images acquired by the M cameras.

Abstract: The invention provides a power distribution and drive system for a remotely underwater operated vehicle ROV, comprises: a high-voltage DC power supply device, located above the water surface to provide high-voltage DC voltage to the ROV; a DC buck conversion device, connected to the high-voltage DC power supply device through a cable for converting the high-voltage DC voltage to a low-voltage DC voltage to supply power to the ROV, wherein the DC buck conversion device comprises multiple parallel DC conversion modules, each DC conversion module bearing an average load current to supply power to the ROV; and at least one thruster, which comprises a propeller, a synchronous motor, and a driver.

Abstract: A system may include a cluster and a module of the cluster. The module may include a user resource definition and a catalog server. The catalog server may maintain a configuration of the cluster.

Abstract: The present disclosure provides a data processing method, an apparatus, an electronic device and a medium, which relates to the technical fields of autonomous driving, electronic maps, deep learning, image processing, and the like. The method includes: a computing device inputs a reference image and a captured image into a feature extraction model; obtain, a set of reference descriptors based on the first descriptor map; determine a plurality of sets of training descriptors; obtain a predicted pose of the vehicle by inputting the plurality of training poses and a plurality of similarities into a pose prediction model; and train the feature extraction model and the pose prediction model. When applied to a vehicle localization system, the trained feature extraction model and pose prediction model according to some embodiments of the present disclosure can improve accuracy and robustness of vehicle localization, thereby boosting the performance of the vehicle localization system.

Abstract: A positioning method includes acquiring an image of an area where a target object is located at a first time instant and multiple frames of point cloud data of an area where the target object is located at multiple time instants, wherein the multiple frames of point cloud data include first point cloud data of the area where the target object is located at the first time instant. The method also includes determining a point cloud map according to the multiple frames of point cloud data and acquiring a target feature vector according to the first point cloud data, the point cloud map and the image. The method further includes determining a positioning result of the target object according to the target feature vector.

Abstract: The invention belongs to the field of polymers, and relates to a grafting-modified polypropylene material for an insulating material and preparation method thereof. The grafting-modified polypropylene material comprises structural units derived from a polypropylene copolymer and structural units derived from an alkenyl-containing polymerizable monomer; the content of the structural units derived from the alkenyl-containing polymerizable monomer and in a grafted state in the grafting-modified polypropylene material is 0.1 to 14 wt %; the polypropylene copolymer has at least one of the following characteristics: the comonomer content is 0.5 to 40 mol %; the content of xylene solubles is 2 to 80 wt %; the comonomer content in the xylene solubles is 10 to 70 wt %; the intrinsic viscosity ratio of the xylene solubles to the polypropylene copolymer is 0.3 to 5.

Abstract: The invention belongs to the field of polymers, and relates to an anhydride group-containing polypropylene graft for an insulating material and preparation method thereof. The anhydride group-containing polypropylene graft comprises structural units derived from a polypropylene copolymer, structural units derived from an anhydride monomer and structural units derived from an alkenyl-containing polymerizable monomer; the content of the structural units derived from the anhydride monomer and the alkenyl-containing polymerizable monomer and in a grafted state in the anhydride group-containing polypropylene graft is 0.

Abstract: An online concierge system maintains a taxonomy associating one or more specific items offered by a warehouse with a category. When the online concierge system receives a selection of an item from a user for inclusion in an order, the online concierge system determines a category including the selected item. From prior received orders, the online concierge system 102 identifies additional categories including one or more items included in various prior received orders. Based on cooccurrences of the category and the additional categories, the online concierge system generates scores for the additional categories. An additional category is selected based on the scores and specific items from the selected additional category are displayed via an interface for selection by the user.

Abstract: A positioning method based on a lane line and a feature point, an electronic device, and a storage medium, which relate to fields of computer, automatic driving, intelligent transportation, computer vision. The method may include: determining first real-time measurement residuals according to first sensor information of a movable object detected, the first real-time measurement residuals including a first inertial measurement unit measurement residual, a first lane line measurement residual and a first non-lane line measurement residual; updating a state vector of the movable object according to a kinematic model of an inertial measurement unit and the first real-time measurement residuals; and determining a pose of the movable object at a time instant corresponding to the updated state vector according to a pose vector in the updated state vector.

Abstract: The present application relates to a method and system for storing data in a graph database. The method includes: separating a key-value structure of the storage engine and separately storing a graph structure and a graph property of graph data; and reading, by the compute engine, the graph structure, caching the graph structure for a short term in a single query request scenario, and caching the graph structure for a long term in a read-only analysis scenario. The present application resolves problems that engineering is complex and deep graph traversal performance is poor when graph data is processed, reduces engineering complexity, and improves the deep graph traversal performance.