Abstract: The gas treatment apparatus includes: a column, an upper sealing head connected to an upper end of the column, and a lower sealing head connected to a lower end of the column, wherein: a fluid inlet pipe is arranged at a position of the column close to the upper scaling head, a fluid outlet end of the fluid inlet pipe extending into the column, and the fluid outlet end being connected to an absorption fluid spray nozzle used for spraying absorption fluid downwards; a gas inlet pipe is arranged at a position of the column close to the lower scaling head, and a gas outlet end of the gas inlet pipe extends into the column; the gas outlet end of the gas inlet pipe has connected thereto a microbubble-generating inner part; a back-mixing inner part is arranged in the column above the microbubble-generating inner part.

Abstract: The present application provides a high-nickel ternary positive electrode active material, which comprises a core Li1+a[LixCoyMnzMb]O2, a fast ionic conductor Li?AlXSiYO4 of a first shell layer, an oxide of an element R of a second shell layer, and a transition layer LipRqOw formed between the first shell layer and the second shell layer. In the high-nickel ternary positive electrode active material of the present application, the surface impurity lithium amount is significantly reduced, and by creatively converting the surface impurity lithium into effective components in the fast ionic conductors Li?AlXSiYO4 and LipRqOw which accelerate the intercalation/deintercalation of lithium ions in the core material, the decomposition and gas production of an electrolyte solution caused by the surface impurity lithium is greatly improved, such that a high-nickel ternary lithium-ion battery has high energy density as well as good cycle performance and safety performance.

Abstract: The present disclosure provides a prelithiated negative electrode, a preparation method thereof, and a lithium ion battery and a supercapacitor comprising the same. The prelithiated negative electrode comprises: an electrode film which is a solvent-free film-like negative electrode material composed of a negative electrode active material, a lithium-skeleton carbon composite material, a binder and optionally a conductive additive; and a metal current collector, wherein the electrode film is bonded on the metal current collector through a conductive adhesive. The present disclosure provides an effective method of prelithiating a negative electrode, and can effectively improve the first cycle efficiency of a lithium battery comprising a silicon-carbon negative electrode, contributing to increasing the specific capacity and cycle life of the battery. The present disclosure can also increase the energy density of a supercapacitor.

Abstract: A method for producing a locally hardened component is provided. The method includes S1: placing a to-be-heated portion of a base component in an induction coil for induction heating to form a heated portion; S2: after a completion of the induction heating, spraying a quenching solution on the heated portion, cooling the heated portion down to room temperature, removing the base component, and tempering the base component at low temperature to obtain a quenched component; and S3: grinding, degreasing, and drying a hardened portion of the quenched component, coating a surface treatment solution on a surface of the hardened portion, curing the surface treatment solution, and performing an induction cladding on the hardened portion in a nitrogen atmosphere to obtain the locally hardened component.

Abstract: The present application provides a lithium composite and a method for preparing the same. The lithium composite has a belt shape and comprises: a structure layer; a stress equalization layer disposed on at least one surface of the structure layer, the stress equalization layer comprising patterned metal lithium and/or lithium alloy and having a thickness in a range from 0.1 to 1 ?m; and a lithium film having a width in a range from 185 to 1500 mm and a uniform thickness in a range from 0.5 to 30 ?m, with a thickness tolerance within 20% of the thickness, wherein the lithium film is bound to the structure layer via the stress equalization layer to form the lithium composite.

Abstract: The present application discloses a compensation method, device, apparatus, and storage medium for a display panel, and the method includes: acquiring N areas to be compensated of the display panel, where the N areas to be compensated are determined and obtained based on a target scanning timing and a display blanking area of the display panel, where N is a positive integer; acquiring a first luminance parameter deviation between the N areas to be compensated and a normal area of the display panel when the display panel displays a picture with each of gray scale values at different luminance levels; and determining a target luminance compensation parameter of the display panel based on the first luminance parameter deviation, and performing the luminance compensation on the N areas to be compensated based on the target luminance compensation parameter.

Abstract: A method for producing a locally hardened component is provided. The method includes S1: placing a to-be-heated portion of a base component in an induction coil for induction heating to form a heated portion; S2: after a completion of the induction heating, spraying a quenching solution on the heated portion, cooling the heated portion down to room temperature, removing the base component, and tempering the base component at low temperature to obtain a quenched component; and S3: grinding, degreasing, and drying a hardened portion of the quenched component, coating a surface treatment solution on a surface of the hardened portion, curing the surface treatment solution, and performing an induction cladding on the hardened portion in a nitrogen atmosphere to obtain the locally hardened component.

Abstract: A positive electrode active material includes a core and a first coating layer applied on at least a portion of an outer surface of the core. The core includes a lithium-containing nickel-based transition metal oxide. The first coating layer includes cerium element. A volume-based average particle size Dv90 of the positive electrode active material is denoted as d90, a volume-based average particle size Dv50 of the positive electrode active material is denoted as d50, a volume-based average particle size Dv10 of the positive electrode active material is denoted as d10, and the volume-based average particle size Dv90, the volume-based average particle size Dv50, and the volume-based average particle size Dv10 of the positive electrode active material satisfy: (d90?d10)/d50?0.5.

Abstract: In an illustrative embodiment, a method for adjusting a field of view of a screen of an electronic device 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: According to various embodiments, a processing subsystem includes a housing; a printed circuit board (PCB) disposed within the housing; an integrated circuit package that has a first side and a second side that is opposite to the first side, wherein the first side of the integrated circuit package is mounted on the PCB; and a liquid-based cooling system. The liquid-based cooling system is disposed within the housing and includes: at least one radiator element; a pump that is fluidly coupled to the radiator element; and at least one fan that directs cooling air across the radiator element.

Abstract: Various embodiments include a printed circuit board cover assembly comprising a cover layer that attaches to at least a portion of a printed circuit board layer, and a retention hook that extends from the cover layer and physically interfaces with at least a portion of a connection port. In various embodiments, a printed circuit board package comprises a printed circuit board layer, a cover layer that attaches to at least a portion of the printed circuit board layer, and a retention hook extending from the cover layer, the retention hook configured to physically interface with at least a portion of a connection port.

Abstract: An electric lifting bed includes a lifting assembly, at least one driving motor, and a bed body.

Abstract: A driving process of the display panel includes a first stage, a display stage, and a second stage. The driving method of the display panel includes the following steps. A first voltage is started to be provided to the metal pattern at the first time in the first stage, where the first voltage is greater than 0. A first black-state voltage is started to be provided to the data line at the second time in the first stage. A second voltage is stopped to be provided to the metal pattern at the third time in the second stage, where the second voltage is greater than 0. A second black-state voltage is stopped to be provided to the data line at the fourth time in the second stage. The first time is before the second time, and/or the third time is after the fourth time.

Abstract: Embodiments of the present disclosure provide a method, an electronic device, and a computer program product for determining computational fluid dynamics (CFD) for a server. The method includes determining, by a trained machine learning model, benchmark CFD for a benchmark server. The method further includes determining a difference between a target server configuration for a target server and a benchmark server configuration for the benchmark server, and determining, by the trained machine learning model, target CFD for the target server based on the difference and the benchmark CFD. Embodiments of the present disclosure can realize real-time thermal simulations and enable real-time thermal models with specific server configurations to be adapted to servers with different components.

Abstract: An electric lifting bed is provided, which includes a bed frame, a fence and two sets of lifting assemblies respectively connected to a head and a tail of the bed frame. Each set of lifting assemblies includes two lifting bed legs and screw nut assemblies in the two lifting bed legs. The electric lifting bed further includes at least one driving motor, at least one motor cover plate and at least one shielding plate. The motor cover plate covers the driving motor, the shielding plate is connected with the bed frame and used for shielding the lifting assemblies, the driving motor and wiring harnesses arranged on the bed frame. The electric lifting bed can prevent the wiring harnesses, wiring harness connectors, transmission rods of the lifting assemblies and the driving motors from being exposed, ensuring good safety during use, and making maintenance of wirings simple and convenient.

Abstract: Methods, apparatus, and processor-readable storage media for performing digital file analysis using graph-based representations and machine learning techniques are provided herein. An example computer-implemented method includes segmenting at least one digital file into multiple variable-sized portions; determining one or more content-based relationships across at least a portion of the multiple variable-sized portions of the at least one digital file; generating at least one graph representation of the at least one digital file based on the one or more content-based relationships and the at least a portion of the multiple variable-sized portions of the at least one digital file; processing one or more portions of the at least one graph representation using one or more machine learning techniques; and analyzing the at least one digital file based on results of processing the one or more portions of the at least one graph representation using the one or more machine learning techniques.

Abstract: Methods, apparatus, and processor-readable storage media for digital file similarity detection using artificial intelligence techniques are provided herein.

Abstract: An apparatus configured to perform one or more of an advertising operation, a scanning operation, and a Narrowband-aided multi-millisecond (NBA-MMS) ranging operation for a first wireless device in a first timing interval and perform one or more of an advertising operation, a scanning operation, and an NBA-MMS ranging operation for a second wireless device in the first timing interval or a successive timing interval.

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.