Abstract: A mining grouting reinforcement material is provided and includes a component A including a sodium silicate solution and an amino acid salt, and a component B including an isocyanate, a plasticizer, a filler and a molecular bridging agent. A specific gravity of the filler is 2 to 8.

Abstract: The present invention relates to the field of fluid heat transfer, and discloses a heat transfer enhancement pipe as well as a cracking furnace and an atmospheric and vacuum heating furnace including the same. The heat transfer enhancement pipe (1) includes a pipe body (10) of tubular shape having an inlet (100) for entering of a fluid and an outlet (101) for said fluid to flow out; internal wall of the pipe body (10) is provided with a fin (11) protruding towards interior of the pipe body (10), wherein the fin (11) has one or more fin sections extending spirally in the axial direction of the pipe body (10), and each fin section has a first end surface facing the inlet (100) and a second end surface facing the outlet (101), at least one of the first end surface and the second end surface of at least one of the rib sections is formed as a transition surface along spirally extending direction.

Abstract: A battery includes a plurality of arranged battery cells; and a pressure regulating apparatus, including a body portion and a regulating valve, where the body portion is arranged between adjacent battery cells, a gas pipeline being formed in the body portion, and the regulating valve is arranged in the gas pipeline and configured to regulate pressure in the gas pipeline so as to adjust a gap between adjacent battery cells.

Abstract: An ECU upgrade method is provided, including: obtaining a set first encapsulation file, where the first encapsulation file encapsulates first vehicle model information and first upgrade content related information corresponding to the first vehicle model information; obtaining the first vehicle model information and the first upgrade content related information based on the first encapsulation file; obtaining first upgrade process related information corresponding to the first vehicle model information from a set memory based on the first vehicle model information; and performing ECU upgrade processing on a vehicle having the first vehicle model information based on the first upgrade process related information and the first upgrade content related information.

Abstract: Provided is a display panel, including: a substrate, a plurality of sub-pixels, a plurality of data lines, and a black matrix; wherein each the sub-pixel is divided into at least two domains along a column direction of the array; and the data line deviates from the column direction of the array and bends toward the row direction of the array to form a corner, wherein a distance between an outer edge of an orthographic projection of the black matrix covering the corner onto the substrate and an outer edge of an orthographic projection of the corner onto the substrate is greater than a distance between an edge of an orthographic projection of the black matrix covering rest of the data line onto the substrate and a corresponding edge of an orthographic projection of the data line covered by the black matrix onto the substrate.

Abstract: cryogenic vessel includes a shell, an inner vessel and a thermal insulation layer arranged on a periphery of the inner vessel, a gap is provided between the shell and the inner vessel to form a sandwich space in a vacuum environment. The pressurizing device includes a fixing member, a protruding member, a heat conducting member, an operating member and a connecting member.

Abstract: A charging control method for a vehicle having an electric function includes: vehicle usage habit data of a user in preset time is read. The usage habit data includes a charging time point of each charging and driving mileage of each driving of the vehicle in the preset time. A current remaining state of charge of the vehicle at a current moment is detected. An estimated need state of charge of the vehicle is determined based on the usage habit data. Whether the vehicle needs charging is determined based on the estimated need state of charge and the current remaining state of charge. The present disclosure further provides a charging control apparatus, a vehicle, and a computer-readable storage medium.

Abstract: An electric vehicle monitoring method, apparatus, and a readable storage medium are provided. The method includes the followings. A first configuration file corresponding to a first electric vehicle is obtained. The first configuration file includes first function information, first CAN communication protocol information, and first style information that correspond to the first electric vehicle. The first function information, the first CAN communication protocol information, and the first style information are obtained according to the first configuration file. Configuration information that is of a target function and that is corresponding to the first function information is obtained. Display content of the target function in a set display interface is configured according to the first style information and the configuration information of the target function.

Abstract: Embodiments of the disclosure provide a circuit, chip, system, and method for eliminating random perturbation. The circuit includes a weight calculating module for receiving digital signals and random perturbation digital quantity, using least mean square error algorithm to calculate weight deviation iteration coefficient based on digital signal and digital quantity, and updating perturbation weight in real-time according to weight deviation iteration coefficient; and a perturbation eliminating module for eliminating perturbation signal in output digital signal of quantizer according to perturbation weight updated in real-time and updating perturbation weight in real-time according to weight deviation iteration coefficient, and then calculating current perturbation weight in real time to realize self-calibration of perturbation weight.

Abstract: The present application discloses a battery equalization system, a vehicle, a battery equalization method, and a storage medium. The battery equalization system includes: a collection circuit; an equalization circuit; a controller, connected to the collection circuit and the equalization circuit; and a power supply branch circuit, controlled by the controller to get connected to a power supply unit and the battery equalization system when a vehicle is in an OFF gear and a cell needs enabling of equalization, so that the power supply unit supplies power to the battery equalization system.

Abstract: The present application discloses a battery equalization system, a vehicle, a battery equalization method, and a storage medium. The battery equalization system includes: a collection circuit; an equalization circuit; a controller; a charging branch circuit, connected to a charging device and a battery pack; and a first power supply branch circuit, connected to the charging device and the battery equalization system, and configured to supply power to the battery equalization system. When a state-of-charge of the battery pack is full and a cell in the battery pack needs enabling of equalization, the controller controls the charging branch circuit to disconnect, and controls the first power supply branch circuit to keep connected, so that an equalization module performs equalization processing on the cell that needs enabling of equalization.

Abstract: A clock driver circuit, including: an input stage, a double-ended to single-ended conversion stage and a driver output stage connected in sequence. The input stage includes two mutually loaded differential amplifiers and a common mode negative feedback loop. The differential amplifiers are connected to a differential clock signal for amplification to generate a common mode voltage. The common mode feedback circuit is connected to an output end of the differential amplifiers to stabilize the output amplitude of the common mode voltage. The double-ended to single-ended conversion stage converts a differential sine clock signal output by the double-ended common mode voltage into a single-ended square wave clock signal. The driver output stage includes a multi-stage cascaded push-pull phase inverter to improve the drive capability of the square wave clock signal.

Abstract: The present disclosure provides a one-time programmable capacitive fuse bit, including an upper plate, the upper plate includes a plurality of fuses arranged side by side and spaced by an internal from each other, middle portions of two adjacent fuses are connected to each other; a connecting portion connected to the fuse is disposed above two ends and the middle portion of each of the plurality of fuses; the fuse bit further includes a lower plate corresponding to the two ends and the middle portion of the fuse, the lower plate is disposed below the fuse; the lower plate corresponding to the middle portion of the fuse is opposite to the connecting portion corresponding to the middle portion of the fuse; a hollow portion is disposed between the lower plate corresponding to the middle portion of the fuse and the lower plate corresponding to both ends of the fuse.

Abstract: The present disclosure provides a differential clock cross point detection circuit and a detection method. The detection circuit includes: a first MOS transistor (M1), a second MOS transistor (M2) and a capacitor (C); a drain of the first MOS transistor (M1) is connected to a negative terminal (CLK?) of a differential clock, a gate of the first MOS transistor (M1) is connected to a positive terminal (CLK+) of the differential clock, and a source of the first MOS transistor (M1) is connected to a drain of the second MOS transistor (M2); a gate of the second MOS transistor (M2) is connected to the negative terminal (CLK?) of the differential clock, and a source of the second MOS transistor (M2) is connected to an output terminal through a node; one terminal of the capacitor (C) is connected to a node (A), and the other terminal of the capacitor (C) is grounded.

Abstract: The present disclosure provides a circuit for generating a multi-phase clock having random disturbance added thereto. The circuit for generating a clock includes a main clock module, a random signal generation module and a buffer matrix switch module. The main clock module generates N multi-phase clock signals; and the buffer matrix switch module randomly switches, under the control of a random control signal output by the random signal generation module, transmission paths of the input N multi-phase clock signals, and outputs N multi-phase clock signals with random disturbance. In the present disclosure, the clock phase error is whitened by adding random disturbance. Only with a small loss of signal-to-noise ratio, the influence of a multi-phase clock phase error on the performance of a high-precision TI ADC can be eliminated in real time, and the influence of the fluctuation of a clock phase error can be tracked and eliminated.

Abstract: A battery equalization method includes: obtaining a voltage value of a to-be-equalized cell in a battery pack; obtaining a reference voltage value required for equalization; determining a target equalization duration of the to-be-equalized cell according to a voltage value of the to-be-equalized cell, the reference voltage value, and a preset equalization duty cycle, where the equalization duty cycle is a ratio of an equalization period in a unit cycle to the unit cycle, and the unit cycle includes the equalization period and a sampling period; and controlling equalization of the to-be-equalized cell in the equalization period in the unit cycle according to the target equalization duration. According to this method, sampling is separated from equalization in a unit cycle, thereby ensuring accuracy of collected battery information, making the calculated equalization duration relatively accurate, and improving equalization effects of the battery pack.

Abstract: The present disclosure provides a high-speed regenerative comparator circuit, including: a signal input stage connected with an input terminal for differential signal input; a latch for caching and serving as a differential signal output terminal; a current source connected with the signal input stage for providing a power supply voltage; a fast path connected with the output terminal and used for increasing a voltage difference of the output terminal and turning on a positive feedback network of the latch; and a reset switch, including a first reset switch and a second reset switch. In the high-speed regenerative comparator circuit of the present disclosure, the transmission delay of the regenerative comparator circuit can be greatly reduced; and in a latch phase, a bias voltage is disconnected by means of timing control, and thus the power consumption of a comparator can be reduced. The present disclosure has simple circuit and high reliability.

Abstract: The present disclosure provides a differential clock cross point detection circuit and a detection method. The detection circuit includes: a first MOS transistor (M1), a second MOS transistor (M2) and a capacitor (C); a drain of the first MOS transistor (M1) is connected to a negative terminal (CLK?) of a differential clock, a gate of the first MOS transistor (M1) is connected to a positive terminal (CLK+) of the differential clock, and a source of the first MOS transistor (M1) is connected to a drain of the second MOS transistor (M2); a gate of the second MOS transistor (M2) is connected to the negative terminal (CLK?) of the differential clock, and a source of the second MOS transistor (M2) is connected to an output terminal through a node; one terminal of the capacitor (C) is connected to a node (A), and the other terminal of the capacitor (C) is grounded.

Abstract: The present disclosure provides a high-speed regenerative comparator circuit, including: a signal input stage connected with an input terminal for differential signal input; a latch for caching and serving as a differential signal output terminal; a current source connected with the signal input stage for providing a power supply voltage; a fast path connected with the output terminal and used for increasing a voltage difference of the output terminal and turning on a positive feedback network of the latch; and a reset switch, including a first reset switch and a second reset switch. In the high-speed regenerative comparator circuit of the present disclosure, the transmission delay of the regenerative comparator circuit can be greatly reduced; and in a latch phase, a bias voltage is disconnected by means of timing control, and thus the power consumption of a comparator can be reduced. The present disclosure has simple circuit and high reliability.

Abstract: A duty cycle adjustment apparatus comprises a first edge extraction unit for extracting a rising edge of a first clock signal; a locking discrimination unit configured to output a control signal according to a comparison result between a discrimination voltage and a stabilized voltage, and select to connect the first clock signal or the clock output signal; an integration unit, configured to convert the feedback signal into the stabilized voltage, amplify the stabilized voltage to reach a reference voltage, and output a control voltage; a charge pump, configured to output a second clock signal according to the control voltage; a second edge extraction unit, configured to extract a falling edge of the second clock signal; and a phase discriminator, configured to compare a phase of the rising edge of the first clock signal with a phase of the falling edge of the second clock signal to generate the clock output signal.