Abstract: Disclosed are a preparation method for manganese-doped red phosphor, a device and a backlight module including the product. The method includes: 1) mixing A2BF6 polycrystalline particles with mill balls; 2) mixing A2BF6 powder obtained after ball-milling with a hydrofluoric acid for secondary crystallization; 3) filtering out solid particles in A2BF6 and hydrofluoric acid solution after the secondary crystallization; 4) performing ion exchange between A2BF6 particles and A2BF6; and 5) filtering out solid particles to obtain a filter cake, and performing drying treatment to obtain manganese-doped red phosphor.

Abstract: A method is provided. The method includes determining a first bump map indicative of a first set of positions of bumps. The method includes determining, based upon the first bump map, a first plurality of bump densities associated with a plurality of regions of the first bump map. The method includes smoothing the first plurality of bump densities to determine a second plurality of bump densities associated with the plurality of regions of the first bump map. The method includes determining, based upon the second plurality of bump densities, a second bump map indicative of the first set of positions of the bumps and a set of sizes of the bumps.

Abstract: A display panel is provided, including a display region and a bending region at a side of the display region, a base substrate the base substrate includes a first flexible substrate and a second flexible substrate stacked on each other; the display region includes a driver circuit layer, the driver circuit layer is at a side of the second flexible substrate away from the first flexible substrate and includes at least one first wiring, the bending region includes at least one second wiring, and the at least one second wiring is electrically connected with the at least one first wiring; the at least one second wiring is between the first flexible substrate and the second flexible substrate. The display panel has high reliability, narrow bezel, and large screen.

Abstract: A back passivation crystalline silicon solar cell includes an Ag gate finger electrode, a SiNx passivation antireflection layer, an N+ layer, P-type silicon, a back passivation layer, and an Al gate finger electrode, connected sequentially from top to bottom. The Ag gate finger electrode sequentially penetrates through the SiNx passivation antireflection layer and the N+ layer and is connected to the P-type silicon by means of an N++ layer. The Al gate finger electrode penetrates through the back passivation layer and is connected to the P-type silicon by a P+ layer. The back passivation layer is a passivation antireflection laminated structure that includes a SiO2 passivation layer, an AlOx passivation layer, a SiNx antireflection layer, and a SiOxNy antireflection layer, sequentially provided from top to bottom. The solar cell has high carrier selectivity, high temperature stability, excellent interface passivation effect and PID resistance, high conversion efficiency and high stability.

Abstract: A rectifier converter of the UPS includes a rectifier discharge reuse module, a first mains switching module, a second mains switching module and a battery switching module. The rectifier discharge reuse module includes a filtering unit and a rectifier discharge unit that are connected to each other; the battery switching module is connected between a battery power supply and the filtering unit, and operates in a case that the battery power supply supplies power to the rectifier converter; and the first mains switching module is connected between a mains power supply and the filtering unit, the second mains switching module is connected between the filtering unit and the rectifier discharge unit, and the first mains switching module and the second mains switching module operate in a case that the mains power supply supplies power to the rectifier converter.

Abstract: Provided is a method for processing video data. The method includes: acquiring a second outline of at least one object in an (n+1)th image frame of a to-be-compressed video data group based on a fuzzy algorithm; determining a motion vector of the at least one object according to the second outline and a first outline of the at least one object in an nth image frame of the to-be-compressed video data group; acquiring compressed video data according to the motion vector and a start image frame of to-be-compressed video data; and sending the compressed video data to an apparatus for displaying images.

Abstract: The present disclosure pertains to non-porous composite particles that are non-porous, polymer-based particles. In various embodiments, a non-porous polymer core is surface modified. In various embodiments, a non-porous hybrid organic-inorganic material is in contact with the modified surface of the core, and a bonding material is in contact with the non-porous hybrid organic-inorganic material. The present disclosure pertains to chromatographic separation devices that comprise such non-porous composite particles.

Abstract: A chip-level software and hardware cooperative relay protection device is provided. The device includes: a control chip, wherein a first control unit, a second control unit, and multiple logic circuits are integrated on the control chip; and the logic circuits perform microsecond-level rapid calculation on electrical signals of a protected electrical device, obtain fault feature parameters of the protected electrical device are and transmit same to the first control unit, then perform millisecond-level real-time protection logic determination according to the fault feature parameters of the protected electrical device to obtain relay protection results of the protected electrical device, and protect the protected electrical device by controlling an external relay according to the relay protection results.

Abstract: The three-stage axial flow degassing device adopts an efficient degassing technology including a vertical high speed swirling field, a horizontal rapid axial flow field and a vertical reversing scrubbing field formed by a combination of vertical tubes; the first-stage degasser performs the first-stage segmental vertical high speed swirling degassing operation, removes the gas phase carried by the gas-containing fluid, and forms a primary gas and a primary fluid; the microporous uniform mixer breaks bubbles of the primary fluid and forms a gas-liquid uniform mixed flow; the second-stage degasser performs the second-stage horizontal vane wheel swirling generating rapid axial flow degassing operation, removes the gas phase carried by the gas-liquid uniform mixed flow, and forms a secondary gas and a secondary fluid; the third-stage degasser performs the third-stage vertical reversing deep degassing operation, removes liquid phase carried by the secondary gas, and forms a tertiary gas and a tertiary fluid.

Abstract: Provided is an aldehyde binder, specifically, disclosed is a compound as represented by formula (II) or a pharmaceutically acceptable salt.

Abstract: An energy Internet system, an energy routing conversion device, and an energy control method, relating to a field of energy information. An alternating-current (AC) side energy routing conversion device of the energy Internet system includes a plurality of first route ports, and a direct-current (DC) side energy routing conversion device includes a plurality of second route ports, where each second route port is connected to a corresponding first route port by means of a corresponding DC busbar. A plurality of energy devices are connected to a DC busbar by means of corresponding first AC/DC converters or first DC converters. The AC side energy routing conversion device and the DC side energy routing conversion device collect energy information of the energy devices and adjust energy of the energy devices on a basis of energy balance constraint conditions.

Abstract: In accordance with implementations of the subject matter described herein, there provides a solution for multi-path RDMA transmission. In the solution, at least one packet is generated based on an RDMA message to be transmitted from a first device to a second device. The first device has an RDMA connection with the second device via a plurality of paths. A first packet in the at least one packet includes a plurality of fields, which include information for transmitting the first packet over a first path of the plurality of paths. The at least one packet is transmitted to the second device over the plurality of paths via an RDMA protocol. The first packet is transmitted over the first path. The multi-path RDMA transmission solution according to the subject matter described herein can efficiently utilize rich network paths while maintaining a low memory footprint in a network interface card.

Abstract: Provided is a method for simultaneous detection of parameters of membrane electrode assemblies of a fuel cell stack, which includes: supplying hydrogen to an anode of the fuel cell stack and inert gas to a cathode of the fuel cell stack, controlling operating conditions of the fuel cell stack at respective preset values; applying different voltage excitations or micro-current excitations to the fuel cell stack, collecting a current signal of an entire stack and a voltage signal of each fuel cell; and analyzing a hydrogen crossover current, a catalyst electrochemical surface area, a double-layer capacitance, and a short-circuit resistance of a membrane electrode assembly of each fuel cell based on an excitation-response formula of a fuel cell. The present disclosure does not limit a form of a current or voltage excitation, thereby improving accuracy of a parameter test of a membrane electrode assembly while reducing the test cost.

Abstract: The present application provides a battery pack, a method for producing a battery pack and a vehicle. The vehicle includes a vehicle body and a battery pack, the battery pack being disposed in the vehicle body. The battery pack includes a battery module and a case. The case has a containing chamber, and the battery module is located in the containing chamber. The battery module includes a plurality of battery units arranged in a horizontal direction, and each battery unit at least includes one battery cell. A size of the battery module in the horizontal direction is larger than a size of the battery module in a vertical direction. The size of the battery module in the vertical direction is L1, and a size of the battery pack in the vertical direction is L2, where 70%?L1/L2?95%.

Abstract: Methods and systems for frame rate scalability are described. Support is provided for input and output video sequences with variable frame rate and variable shutter angle across scenes, or for input video sequences with fixed input frame rate and input shutter angle, but allowing a decoder to generate a video output at a different output frame rate and shutter angle than the corresponding input values. Techniques allowing a decoder to decode more computationally-efficiently a specific backward compatible target frame rate and shutter angle among those allowed are also presented.

Abstract: An inverter control method, apparatus and device are provided, so as to solve the problem of risk of damage to switching devices in an inverter due to delays. The method includes: in a first switching period, determining a current change duration based on a time instant at which an inductor current in an inverter is equal to a first current threshold and a time instant at which the inductor current is equal to a second current threshold; determining a current change rate based on the current change duration, the first current threshold, and the second current threshold; reducing the first current threshold and the second current threshold if the current change rate is greater than a preset threshold; and controlling a switch by using the reduced current thresholds in a second switching period. In a case that the current rises rapidly, the current thresholds are reduced and the switch is controlled by using the reduced current thresholds in the next switching period.

Abstract: A method, apparatus, device, and storage medium for data processing. The method includes: obtaining a business object topology map and displaying the business object topology map on a current interface; where the business object topology map includes a plurality of business objects; receiving data processing logic edited by a user for at least one business object in the business object topology map; parsing the data processing logic to obtain a logical topology map corresponding to the data processing logic; obtaining instance data corresponding to the at least one business object; and processing the instance data based on the logical topology map to obtain a processing result. The method improves efficiency and accuracy of business data processing.

Abstract: Methods and systems for frame rate scalability are described. Support is provided for input and output video sequences with variable frame rate and variable shutter angle across scenes, or for input video sequences with fixed input frame rate and input shutter angle, but allowing a decoder to generate a video output at a different output frame rate and shutter angle than the corresponding input values. Techniques allowing a decoder to decode more computationally-efficiently a specific backward compatible target frame rate and shutter angle among those allowed are also presented.

Abstract: A computer-implemented method for simulating vehicle data and improving driving scenario detection is provided.

Abstract: A display apparatus and an fingerprint sensing method thereof are provided. A display panel of the display apparatus has a pixel circuit array, an in-display touch sensor array, and an in-display fingerprint sensor array. A driving circuit drives the in-display fingerprint sensor array to read a fingerprint image. A current display frame period is divided into a plurality of unit periods, each of the unit periods includes at least one fingerprint sensing period and one or both of a display driving period and a touch sensing period. The driving circuit resets a current fingerprint sensor in the in-display fingerprint sensor array during a first fingerprint sensing period among these fingerprint sensing periods of the first display frame period. The driving circuit reads a sensing result of the current fingerprint sensor during a second fingerprint sensing period succeeding to the first fingerprint sensing period.