Abstract: A positive active material has a chemical formula of Li1+a[NixCoyMnzM1bM2c]O2, where, 0.05<a<0.5, ??x<1, 0?y<?, 0?z<?, 0<b<0.1, 0<c<0.1, x+y+z+b+c=1, M1 is one or more elements from Mo, Zr, W, Sb, Nb, Te or Ga, and M2 is one or more elements from Mg, Al, Ca or Ti. The positive active material includes a lithium-rich layer extending from particle surface to interior of the particle, and in a cross section passing through the geometric center of a single particle of the positive active material, a ratio of an average Li element content per unit area in the lithium-rich layer to an average Li element content per unit area in a non-lithium-rich layer is (>1 to 1.5):1.

Abstract: The present application provides a positive electrode material comprising a substrate particle of formula (I): Li1+a[NixCoyMnzMbWc]O2??(I) wherein the M is selected from one or more of Mo, Zr, Al, Ti, Sb, Nb, Te, Mg, Ca, Zn and Sr, 0.6<x<1, 0<y<0.4, 0<z<0.4, 0<a<0.2, 0<b<0.1, 0<c<0.1, and x+y+z+b+c=1; and the W is enriched at the grain boundary of the substrate particle.

Abstract: A positive electrode material, a preparation method of same, a positive electrode plate, a secondary battery, and an electrical device are described. The positive electrode material includes a ternary positive electrode substrate and optionally a coating layer. The coating layer coats a surface of the ternary positive electrode substrate. The ternary positive electrode substrate includes Li, Ni, Al, and an M element. The M element includes a combination of one or more of Mn, Co, Ti, Zr, W, Nb, Mo, Si, Mg, B, Cr, or Ta. A volume-based particle size distribution curve of the positive electrode material is a bimodal curve.

Abstract: In an illustrative embodiment, a method for adjusting a field of view of a screen of an electronic device is provided. The method includes detecting a target object within a detection range by using a radar apparatus of the electronic device. The method further includes determining whether the target object is a person by using a biometric signal in a detection signal emitted by the radar apparatus in response to detecting the target object; and determining a distance and an angle of the target object relative to the electronic device by using an azimuth signal in the detection signal in response to the target object being a person. The method further includes adjusting the field of view of the screen of the electronic device according to a visual mode of the electronic device based on the distance, a distance threshold, the angle, and a plurality of angle thresholds.

Abstract: Embodiments of the present disclosure provide a method, an electronic device, and a computer program product for processing a watermark of a neural network model. The method includes: embedding a parameter component watermark into a first parameter of a neural network model to generate a second parameter of the neural network model; embedding an input component watermark into a first input to the neural network model to generate a second input to the neural network model; embedding a gradient component watermark into a first model gradient of the neural network model to generate a second model gradient of the neural network model; and training the neural network model based on the second parameter, the second input, and the second model gradient to generate a trained neural network model.

Abstract: Embodiments of the present disclosure relate to a method, a device, and a computer program product for caching. The method includes determining whether a length of a to-be-processed token sequence is greater than a cache length threshold associated with a key-value (KV) data cache. The method further includes determining, in response to the length of the to-be-processed token sequence being greater than the cache length threshold, target KV data based on a token sequence exceeding the cache length threshold in the to-be-processed token sequence. In addition, the method further includes determining a target token based on the to-be-processed token sequence, the KV data cache, and the target KV data.

Abstract: The present invention provides an auxiliary pre-charging device for a power converter. The power converter includes at least one power unit with an input end being connected to a medium and high voltage AC power source, and an output end being connected to a low voltage DC bus, wherein the auxiliary pre-charging device includes a switch, a transformer, a pre-charging resistor, and a rectifier sequentially connected in series, one end of the switch is connected to the medium and high voltage AC power source, and an output end of the rectifier is connected to the low voltage DC bus. The present invention also provides a pre-charging method for a power converter, which uses the aforementioned auxiliary pre-charging device to start pre-charging at the low-voltage output end of the power converter.

Abstract: Embodiments of the present disclosure relate to a method, a device, and a computer program product for batch processing a plurality of user requests. The method includes processing a plurality of user requests in a batch request by using a pre-trained language model. The method further includes inputting a candidate user request into the pre-trained language model when it is detected that the pre-trained language model outputs a response result corresponding to at least one user request. The method further includes processing the candidate user request and other user requests in the batch request by using the pre-trained language model, the other user requests including user requests other than the at least one user request in the batch request.

Abstract: A ripple control method for a modular cascaded power conversion device is provided. The method obtains, according to a grid voltage vector of three-phase AC power, a second-order fluctuating voltage superposition vector representing the total amount of second-order fluctuating voltages on respective floating DC sides of the three phases; determines a single-phase power control amount of each phase to be transferred from the floating DC sides to a low-voltage DC side; determines a single-module power control amount of each power module to be transferred to a low-voltage DC side thereof; and generates a single-module control signal for controlling the power module, so as to transfer a second-order fluctuating voltage on a floating DC side of the power module to the low-voltage DC side thereof. A modular cascaded power conversion device is also provided.

Abstract: Embodiments of the present disclosure relate to a method, a device, and a computer program product for caching. The method includes determining whether a length of a to-be-processed token sequence is greater than a cache length threshold associated with a key-value (KV) data cache. The method further includes determining, in response to the length of the to-be-processed token sequence being greater than the cache length threshold, target KV data based on a token sequence exceeding the cache length threshold in the to-be-processed token sequence. In addition, the method further includes determining a target token based on the to-be-processed token sequence, the KV data cache, and the target KV data.

Abstract: Disclosed are a vehicle body side reinforcing structure and a vehicle. The vehicle body side reinforcing structure includes an A-pillar reinforcing plate in an A-pillar, a B-pillar reinforcing plate in a B-pillar, a roof side rail reinforcing plate in a roof side rail, a doorsill beam, a C-pillar, a D-pillar and a C/D-pillar connecting cross member. The A-pillar reinforcing plate, the roof side rail reinforcing plate and the D-pillar are sequentially connected in a length direction of a vehicle body. The doorsill beam is connected between a bottom end of the A-pillar reinforcing plate and a front end of a rear floor longitudinal beam. A rear end of the D-pillar is connected to a rear end of the rear floor longitudinal beam. The vehicle body side reinforcing structure may enhance structural strength of a body side of a vehicle, thereby facilitating improvement of quality of a whole vehicle.

Abstract: System and methods for intuitive search operation results using machine learning including: identifying a first candidate content item matching a content item search request; identifying a first content item model corresponding to the first candidate content item including word vector collaborative filtering representations of the first candidate content item; identifying a set of content item models where each: is associated with at least one corresponding available content item, and includes word vector collaborative filtering representations; applying deep neural learning to compare the first content item model with the set of content item models to generate a subset of the content item models most relevant to the first content item model; generating a result set of available content items corresponding to the subset of the content item models most relevant to the first content item model; and providing the result set of available content items.

Abstract: Illustrative embodiments of the present disclosure include a method, a device, and a product for a Graphics Processing Unit (GPU) cluster. The method includes: obtaining a graph of interconnections between GPUs in the GPU cluster; forming a parallel hierarchical architecture of the GPU cluster based on the graph of interconnections between GPUs; and mapping parallel tasks to the parallel hierarchical architecture to execute the parallel tasks. The method for a GPU cluster according to the present disclosure ensures that high-speed GPU-GPU connection is used for tasks with high communication requirements, thus improving the overall processing efficiency of the GPU cluster.

Abstract: Embodiments of the present disclosure provide a method for determining a generative model. The method includes embedding a white box watermark and a black box watermark into a generative model. The black box watermark is first embedded into a probability density function of data abstractions in respective layers of the generative model. The method further includes embedding, after the embedding of the black box watermark is completed, the white box watermark into respective layers for outputs of the generative model. Model data is generated by the generative model based on predetermined triggering data. The predetermined triggering data includes a predetermined triggering text or a predetermined triggering image. An identity associated with the generative model is determined based on the model data. Advantageously, the illustrative method is capable of providing double-layer protection for a generative model by embedding two complementary and independent watermarks to resist white box and black box attacks.

Abstract: A method of failure analysis for locating open circuit defect in a metal layers, comprising: providing a chip sample having a metal layer, with an open circuit defect; delaminating the chip to expose the metal layer; depositing a metal conductive layer on the metal layer; removing a portion of the metal conductive layer to expose the metal layer; depositing a non-conductive protective layer to cover the exposed metal layer and any remaining portions of the metal conductive layer; preparing a TEM slice sample which comprises the metal layer, the remaining portions of the metal conductive layer, and the non-conductive protective layer; performing a VC analysis on the TEM slice sample to determine the defect position of the open circuit defect; and analyzing the defect position of the open circuit defect.

Abstract: The present invention relates to monoclonal anti-interleukin-23 receptor (IL-23R) antibodies, nucleic acids and expression vectors encoding the antibodies, recombinant cells containing the vectors, and corresponding compositions and methods of making and using antibodies respectively, i.e., e.g., detecting, selecting, enriching, inhibiting, or antagonizing IL-23R or treat an autoimmune or inflammatory diseases or disorders.

Abstract: The embodiments provide a method, device, and storage medium for scheduling a distributed database. Load states of respective storage units in a first storage node in a distributed database are detected by any of a plurality of management devices of a distributed database, and a hotspot partition of the first storage unit is determined based on the load states; a replica splitting task for a target replica stored in the hotspot partition is generated, the replica splitting task comprising the target number of subreplicas of the target replica after splitting and migration target addresses of the subreplicas; the replica splitting task is executed by invoking a thread in a thread pool, to split the target replica into the subreplicas based on the target number of the subreplicas and migrate at least one of the subreplicas based on the migration target addresses of the subreplicas.

Abstract: A method in an illustrative embodiment includes: obtaining an initial state of a group of dedicated processing resources; determining, in response to a request for receiving a group of tasks, a set of candidate allocations each indicating allocation of the group of tasks to the group of dedicated processing resources; determining, based on the initial state, an operating state of the group of dedicated processing resources when executing the group of tasks according to each candidate allocation in the set of candidate allocations; and selecting a target allocation from the set of candidate allocations based on the operating state to enable the group of tasks to be executed on the group of dedicated processing resources according to the target allocation.

Abstract: The embodiments of the disclosure relate to a touch animation display method and apparatus, device, and medium, wherein the method includes the following steps: identifying a human body key point position on a human body in an existing video frame; according to a predetermined motion mode, acquiring a display position of a target object in the existing video frame; according to the human body key point position and the display position, judging whether a preset touch condition is satisfied; if the touch condition is satisfied, adjusting a motion mode of the target object according to a target key point position. Therefore, by displaying the target object in the video frame, the touch motion during interaction with a user is simulated in real time, the interestingness of video display is improved, and the user's interaction experience is improved.