Abstract: A direct-current energy-consuming apparatus, a method and a device for controlling a direct-current energy-consuming apparatus, and a storage medium are provided. The direct-current energy-consuming apparatus includes an energy-consuming resistor, a power module, an inductor and a control module. The inductor is arranged in a branch formed by the energy-consuming resistor and the power module connected in series. The control module is configured to switch off the power module when it is detected that a voltage between two ends of the direct-current energy-consuming apparatus is greater than a first voltage threshold, and switch on the power module, when it is detected that a voltage between two ends of the direct-current energy-consuming apparatus is less than a second voltage threshold, where the two voltage thresholds are determined based on a rated voltage of a corresponding direct-current power transmission system.

Abstract: The present invention relates to the field of hoisting drive systems for power shovels, and particularly to a reducer with balanced output of a very large torque from a plurality of motors, including a first motor shaft, a second motor shaft, a third motor shaft and a fourth motor shaft, which are each drivingly connected to the plurality of motors. In addition to outputting a very large torque employing the plurality of motors with the reducer, the reducer of the present invention can ensure that the output is balanced and stable, remarkably enhancing performance, safety and stability of a hoisting drive system for a power shovel. Adjustable motor transmission assemblies assembled on exterior lateral surfaces of the first motor shaft, the second motor shaft, the third motor shaft and the fourth motor shaft can adjust the number and locations of power transmission grooves according to the number and locations of actually active motors, greatly increasing applicability.

Abstract: An automatic swimming pool cleaning robot capable of lateral translation relates to a technical field of cleaning robots for swimming pools. A controller compartment is disposed in a housing of the automatic swimming pool cleaning robot, the controller compartment is a sealed compartment, and a control circuit is disposed in the controller compartment. A driving motor is disposed in the housing, crawler components are disposed on both sides of the housing, a cleaning rolling brush is disposed at a bottom of the housing, and the driving motor drives the cleaning rolling brush and the crawler components through the transmission mechanism. A water inlet is defined at the bottom of the housing, a filtering device is disposed on the water inlet, and the housing covers above the filtering device. Two water outlets are defined at a top of the housing.

Abstract: An amorphous alloy reinforced Cu-based composite coating and composite bulk material and a preparation method thereof, comprising an amorphous alloy reinforced Cu-based composite coating and an amorphous alloy reinforced Cu-based composite bulk material, both the amorphous alloy reinforced Cu-based composite coating and the amorphous alloy reinforced Cu-based composite bulk material comprise at least Cu powder and amorphous alloy (Fe54.61Mo16.8Cr25.8C2.44Si0.35) powder, a proportion of the Cu powder included in the amorphous alloy reinforced Cu-based composite coating and the amorphous alloy reinforced Cu-based composite bulk material is 55% to 95%, a proportion of the amorphous alloy (Fe54.61Mo16.8Cr25.8C2.44Si0.35) powder content in the amorphous alloy reinforced Cu-based composite coating and the amorphous alloy reinforced Cu-based composite bulk material is 5% to 45%.

Abstract: Provided are a nanocomposite dielectric film material for energy storage prepared by vertical self-assembly of lead zirconate titanate (PZT) and magnesium oxide (MgO), and a preparation method thereof. The method includes: 1, preparing a PZT powder; 2, mixing the PZT powder with an MgO powder to obtain a uniformly mixed PM composite powder; and mixing the PM composite powder with a binder, and subjecting a resulting mixture to tableting and cold isostatic pressing to obtain a PM composite target blank; 3, sintering the PM composite target blank at a temperature of not higher than 900° C. to obtain a PM composite target; and 4, subjecting the PM composite target to pulsed laser deposition to form an epitaxial vertical self-assembly composite dielectric film; and subjecting the epitaxial vertical self-assembly composite dielectric film to annealing to obtain the film material.

Abstract: An automatic swimming pool cleaning robot capable of lateral translation relates to a technical field of cleaning robots for swimming pools. A controller compartment is disposed in a housing of the automatic swimming pool cleaning robot, the controller compartment is a sealed compartment, and a control circuit is disposed in the controller compartment. A driving motor is disposed in the housing, crawler belts are disposed on both sides of the housing, a cleaning rolling brush is disposed at a bottom of the housing, and the driving motor drives the cleaning rolling brush and the crawler belts through the transmission mechanism. A water inlet is defined at the bottom of the housing, a filtering device is disposed on the water inlet, and the housing covers above the filtering device. Two water outlets are defined at a top of the housing.

Abstract: Provided are a primer and probe composition for cat blood type detection, a detection method, and use. The primer and probe composition for detecting the wild-types and the mutants of the above four sites is designed according to the single nucleotide polymorphism (SNP) mutation of genotyping of 179G>T, 268T>A, 364C>T and 1322delT four sites of a cat cytidine monophospho-N-acetylneuraminic acid (CMAH) gene; an amplification curve is plotted by utilizing a real-time fluorescence polymerase chain reaction (PCR) technology, and the recognition of bases of four SNP sites is achieved by analysis of the amplification curve, so as to determine cat blood types. The detection method of the present disclosure is carried out entirely in a closed space, thereby avoiding the problem of environmental aerosol pollution.

Abstract: An amorphous alloy shaver having a replaceable shaver head, comprises a shaver body, a release plate is fixedly connected to a top of the shaver body, a side surface of the shaver body is provided with a switch, the side surface of the shaver body is provided with a display screen, the side surface of the shaver body is provided with a charging slot, and a replacement device is arranged at a top of the release plate. By means of co-cooperation of a pressing force of a pressing block and components in the replacement device such as an airbag, a pressing plate, a snap-fit fastener and a snap-fit block, operation of jacking the snap-fit fastener up by the airbag is realized, which enhances convenience of a user such that a worn shaver head is replaced conveniently, and a service life of the shaver is prolonged.

Abstract: A cylindrical battery includes a housing, an electrode assembly, and a current collector plate. The electrode assembly and the current collector plate are accommodated in the housing, and the electrode assembly includes a flattened surface, the flattened surface being provided at an end of the electrode assembly. The current collector plate includes a substrate and a bending portion interconnected. The bending portion are configured to bend towards the substrate, and the substrate is connected to the flattened surface. The substrate includes an axial hole and a plurality of through holes spaced apart from each other and running through the substrate. Along a thickness direction of the substrate, a projection area of the substrate is S1, and a sum of projection areas of the plurality of the through holes is S2, where 4%?S2/S1?16%.

Abstract: The present invention provides an airborne BeiDou system and method for application thereof, the airborne BeiDou system comprising: an airborne communication navigation monitoring system which integrates a BeiDou application software module of a BeiDou navigation communication subsystem and a BeiDou protocol stack software module; a BeiDou transceiver connected to said airborne communication navigation monitoring system; a BeiDou server connected to said BeiDou transceiver.

Abstract: An electrochemical apparatus includes an electrode plate, where the electrode plate has a current collector and an active material layer disposed on at least one surface of the current collector, the active material layer has at least one pore, and an included angle between an axial direction of the at least one pore and a plane on which a surface of the active material layer lies is ?, where ?°??<90°. This improves efficiency of the electrode plate in infiltration and absorption of the electrolyte, thereby improving rate performance, cycling performance, safety, stability, and other qualities of the electrochemical apparatus.

Abstract: The present invention relates to the field of hoisting drive systems for power shovels, and particularly to a reducer with balanced output of a very large torque from a plurality of motors, including a first motor shaft, a second motor shaft, a third motor shaft and a fourth motor shaft, which are each drivingly connected to the plurality of motors. In addition to outputting a very large torque employing the plurality of motors with the reducer, the reducer of the present invention can ensure that the output is balanced and stable, remarkably enhancing performance, safety and stability of a hoisting drive system for a power shovel. Adjustable motor transmission assemblies assembled on exterior lateral surfaces of the first motor shaft, the second motor shaft, the third motor shaft and the fourth motor shaft can adjust the number and locations of power transmission grooves according to the number and locations of actually active motors, greatly increasing applicability.

Abstract: An amorphous alloy reinforced Cu-based composite coating and composite bulk material and a preparation method thereof, comprising an amorphous alloy reinforced Cu-based composite coating and an amorphous alloy reinforced Cu-based composite bulk material, both the amorphous alloy reinforced Cu-based composite coating and the amorphous alloy reinforced Cu-based composite bulk material comprise at least Cu powder and amorphous alloy (Fe54.61Mo16.8Cr25.8C2.44Si0.35) powder, a proportion of the Cu powder included in the amorphous alloy reinforced Cu-based composite coating and the amorphous alloy reinforced Cu-based composite bulk material is 55% to 95%, a proportion of the amorphous alloy (Fe54.61Mo16.8Cr25.8C2.44Si0.35) powder content in the amorphous alloy reinforced Cu-based composite coating and the amorphous alloy reinforced Cu-based composite bulk material is 5% to 45%.

Abstract: This application discloses a method for positioning a target audio signal by a computer device. The method includes: performing echo cancellation on the audio signals collected in a plurality of directions in a space, the audio signals comprising a target-audio direct signal; obtaining weights of a plurality of time-frequency points in the echo-canceled audio signals, a weight of each time-frequency point indicating a relative proportion of the target-audio direct signal in the echo-canceled audio signals at the time-frequency point; obtaining a weighted audio signal energy distribution of the audio signals in the plurality of directions by using the weights of the plurality of time-frequency points in the echo-canceled audio signals; and obtaining a sound source azimuth corresponding to the target-audio direct signal in the audio signals by using the weighted audio signal energy distribution of the audio signals in the plurality of directions.

Abstract: A communication method is provided. A first communication apparatus receives a first CBR service, generates, based on the first CBR service, a first block sequence carrying the first CBR service, and then sends the first block sequence to a second communication apparatus. The first block sequence includes a first start block, M first data blocks, and a first termination block, the first block sequence includes first indication information and a first padding area, the first indication information indicates that no CBR service data is padded in the first padding area, the first CBR service is not padded in the first padding area, and a length of the first padding area is less than a length of the first data block, where M is a positive integer.

Abstract: An interdental brush with a replaceable brush body with a core and a manufacturing method thereof are provided, and relate to the technical field of tooth cleaning tools. The interdental brush includes a handle, a screw cap, a fixing block and a brush body. One end of the handle is provided with an external thread, an interior of the screw cap is provided with an internal thread mating with the external thread of the one end of the handle. One end of the fixing block abuts against the handle, and an other end extends out of the screw cap. The brush body includes a core and bristles, the core is twisted by an amorphous alloy wire, one end of the core is clamped in the fixing block, and a periphery of an other end is connected to the bristles.

Abstract: Provided are a primer and probe composition for cat blood type detection, a detection method, and use. The primer and probe composition for detecting the wild-types and the mutants of the above four sites is designed according to the single nucleotide polymorphism (SNP) mutation of genotyping of 179G>T, 268T>A, 364C>T and 1322delT four sites of a cat cytidine monophospho-N-acetylneuraminic acid (CMAH) gene; an amplification curve is plotted by utilizing a real-time fluorescence polymerase chain reaction (PCR) technology, and the recognition of bases of four SNP sites is achieved by analysis of the amplification curve, so as to determine cat blood types. The detection method of the present disclosure is carried out entirely in a closed space, thereby avoiding the problem of environmental aerosol pollution.

Abstract: Provided are a high-brightness OLED display device, a preparation method thereof and a display apparatus, which relates to the technical field of OLED display. The high-brightness OLED display device includes a substrate and an optical microcavity structure on the substrate, the optical microcavity structure includes an R optical microcavity area, a G optical microcavity area and a B optical microcavity area. A cavity length of the G optical microcavity area is greater than that of the B optical microcavity region and is smaller than that of the R optical microcavity area. The beneficial effects of the disclosure are that RGB pixels can independently emit corresponding spectrums without the help of CF, realizing colorization control of silicon-based products, improving light extraction efficiency and product yield.

Abstract: Method for determining parameter of a passive impedance adapter applicable to VSC-HVDC, including: S1. obtaining VSC-HVDC impedance and VSC-HVDC impedance curve X(f) based on VSC-HVDC impedance; S2. estimating upper limit value of the main capacitor in the passive impedance adapter; S3. calculating adapter parameter curve Xadapter(f); S4. determining value of the main capacitor and varying value of the main resistor until min[X(f)?Xadapter(f)] is maximized; determining whether min[X(f)?Xadapter(f)]>k holds; S5. If min[X(f)?Xadapter(f)]>k does not hold, increasing the value of the main capacitor and performing steps S2-S4 until min[X(f)?Xadapter(f)]>k holds when the value of the main capacitor is within the range of the value of the main capacitor, storing the parameters in an available parameter set; S6. reducing the value of the main capacitor, and storing the parameters when min[X(f)?Xadapter(f)]>k holds in the available parameter set; S7.

Abstract: Process for obtaining a milk fraction enriched in immunoglobulins, preferably enriched in IgA and IgM, comprising the steps of (a) subjecting skimmed milk to microfiltration, resulting in an MF retentate rich in micellar casein and an MF permeate rich in whey proteins, (b) subjecting the MF retentate to a casein precipitation or cheese-making process, thereby creating a casein-rich fraction and a whey fraction, (c) subjecting the whey fraction obtained in step b) to microfiltration and/or anion exchange chromatography, thereby obtaining a milk fraction enriched in immunoglobulins.