Abstract: Disclosed is a fully immersed energy storage device, which includes a casing and a water pump. An insulation box is mounted inside the casing, and the insulation box is assembled with an assembly plate thereon. A mounting platform is mounted on the assembly plate and assembled with an annular rack. A rotating groove is provided between the mounting platform and the annular rack. Balls are placed in the rotating groove. The mounting platform is assembled with an assembly block, on which a rotating shaft is mounted. One end of the rotating shaft connects to a gear. The other end of the rotating shaft connects to a first assembly rod, to which a second assembly rod is connected. The second assembly rod connects to a fixed block, which is connected to an energy storage box. A motor base is mounted on the casing. A motor is mounted on the motor base.

Abstract: The present application relates to a silicone oil-based immersion coolant for an electronic component. The silicone oil-based immersion coolant for an electronic component includes a base oil and an additive. The base oil includes a low-viscosity silicone oil. The additive includes a silicone oil diluent and a thermally conductive inorganic filler. The viscosity of the low-viscosity silicone oil is less than or equal to 1000 cSt. The thermally conductive inorganic filler is an insulating filler. Based on the mass of the immersion coolant, a mass percentage content of the base oil is in a range from 70% to 85%, a mass percentage content of the silicone oil diluent is in a range from 10% to 20%, and a mass percentage content of the thermally conductive inorganic filler is in a range from 5% to 10%.

Abstract: A snapshot processing method is applied to an electronic device including a foldable screen. The electronic device includes M display areas, the M display areas include N length-width ratios, and M?N?2. The method includes obtaining a first application switching instruction, where the first application switching instruction instructs to switch a target application from running in a background to running in a foreground; obtaining a length-width ratio of a target display area based on the first application switching instruction, where the M display areas include the target display area; obtaining a target snapshot of the target application, where a length-width ratio of the target snapshot corresponds to the length-width ratio of the target display area; and displaying the target snapshot in the target display area.

Abstract: This application provides a quick interface return method and an electronic device. The method is applied to an electronic device. The method includes: displaying a first interface of a first application, where the first interface is associated with a first activity, the first activity is a stack top activity of a first activity stack, and the first activity stack includes the first activity, a second activity, and a third activity; receiving a first user operation; and in response to the first user operation, popping at least two activities of the first activity stack, and displaying a second interface of the first application, where the second interface is associated with the second activity; or in response to the first user operation, popping at least two activities of the first activity stack, and displaying a third interface of a second application, where the third interface is associated with the third activity.

Abstract: A method, device, and medium are disclosed. The method includes a file dragging process is fed back in real time in a multi-window mode, including feeding back a dragging state of a file, a quantity of dragged files, prompt information indicating whether a target window supports addition of a dragged file, and the like, so that interaction with a user is added in the file dragging process.

Abstract: Disclosed is a digital radio-frequency transmitter, which includes a digital logic mixer, a digital power amplifier and an antenna, wherein an output terminal of the digital logic mixer is connected with an input terminal of the digital power amplifier; an output terminal of the digital power amplifier is connected to the antenna; the digital logic mixer is configured to perform logic mixing on baseband data and a radio-frequency local oscillator clock signal which are input into the digital radio-frequency transmitter to generate radio-frequency data; the digital power amplifier is configured to convert the radio-frequency data into an analog power signal; and the antenna is configured to transmit the analog power signal out. According to the digital radio-frequency transmitter of the present application, the circuit layout area and the circuit operation consumption can be effectively reduced.

Abstract: Disclosed is a digital radio-frequency transmitter, which includes a digital logic mixer, a digital power amplifier and an antenna, wherein an output terminal of the digital logic mixer is connected with an input terminal of the digital power amplifier; an output terminal of the digital power amplifier is connected to the antenna; the digital logic mixer is configured to perform logic mixing on baseband data and a radio-frequency local oscillator clock signal which are input into the digital radio-frequency transmitter to generate radio-frequency data; the digital power amplifier is configured to convert the radio-frequency data into an analog power signal; and the antenna is configured to transmit the analog power signal out. According to the digital radio-frequency transmitter of the present application, the circuit layout area and the circuit operation consumption can be effectively reduced.

Abstract: This application provides a multi-account cloud service usage package sharing method and apparatus, and a related device. The method includes: receiving a sharing policy of a first usage package of a first account and a sharing policy of a second usage package of a second account; generating a sharing execution plan according to the sharing policy of the first usage package and the sharing policy of the second usage package; sorting a use record of a usage package of the first account and a use record of a usage package of the second account according to the sharing execution plan, to generate a to-be-deducted queue; and deducting the first usage package and the second usage package according to the to-be-deducted queue.

Abstract: An impulse radio ultra wideband multi-antenna time delay receiver and a method for acquiring an angle of arrival based on the same are disclosed. The receiver includes M antennas, M radio frequency paths, an analog front end, an analog-digital converter and a digital processing unit, wherein each antenna is correspondingly connected with one of the radio frequency paths, output ends of all the M radio frequency paths are connected with the analog front end, an output end of the analog front end is connected with an input end of the analog-digital converter, and an output end of the analog-digital converter is connected with the digital processing unit, wherein the radio frequency path corresponding to the mth antenna is provided with a time delayer, 1<m?M, and m and M are respectively natural numbers greater than 1.

Abstract: The present invention involves the application of Semen Ziziphi Spinosae oil in the preparation of drugs for treating medicinal insomnia. Semen Ziziphi Spinosae oil has a therapeutic effect on insomnia caused by ephedrine, prednisone and other drugs, and Semen Ziziphi Spinosae oil that is prepared within the pressing temperature of 80 to 100° C. has the best efficacy for treating medicinal insomnia.

Abstract: Disclosed is a method for reconstructing complete charging-discharging data based on partial charging-discharging data of a battery. The method includes following steps: obtaining a partial charging-discharging measured data curve, including multiple pieces of discrete sampling-point data, of the battery; determining a starting point, relative to a preset global center reference data curve, of the partial charging-discharging measured data curve; and determining an approximation curve by means of linear reconstruction or least square reconstruction, and supplementing a charging-discharging measured data curve of a remaining part other than the partial charging-discharging measured data curve according to the approximation curve and the starting point, relative to the preset global center reference data curve, of the partial charging-discharging measured data curve, to reconstruct a complete charging-discharging measured data curve.

Abstract: This application has disclosed a method, a non-transitory storage medium and a battery grading apparatus for automatically grading a lithium-ion battery.

Abstract: The present invention involves the application of Semen Ziziphi Spinosae oil in the preparation of drugs for treating medicinal insomnia. Semen Ziziphi Spinosae oil has a therapeutic effect on insomnia caused by ephedrine, prednisone and other drugs, and Semen Ziziphi Spinosae oil that is prepared within the pressing temperature of 80 to 100° C. has the best efficacy for treating medicinal insomnia.

Abstract: Disclosed is a method for reconstructing complete charging-discharging data based on partial charging-discharging data of a battery. The method includes following steps: obtaining a partial charging-discharging measured data curve, including multiple pieces of discrete sampling-point data, of the battery; determining a starting point, relative to a preset global center reference data curve, of the partial charging-discharging measured data curve; and determining an approximation curve by means of linear reconstruction or least square reconstruction, and supplementing a charging-discharging measured data curve of a remaining part other than the partial charging-discharging measured data curve according to the approximation curve and the starting point, relative to the preset global center reference data curve, of the partial charging-discharging measured data curve, to reconstruct a complete charging-discharging measured data curve.

Abstract: This invention has disclosed a method, a non-transitory storage medium and a battery grading apparatus for automatically grading a lithium-ion battery.

Abstract: Systems and methods which provide training sequence or preamble-based synchronization with respect to non-coherent modulated signals and/or differentially coherent modulated signals are described. Embodiments provide for time synchronization using a technique for mitigating the effect of carrier frequency offset (CFO) with respect to the received signal. Embodiments of the present invention provide for frequency synchronization using a technique for estimating CFO using a constant bias induced with respect to the received signal by CFO. Additionally or alternatively, embodiments of the present invention provide for frequency synchronization using a technique for estimating CFO using phase rotation caused by CFO. The time synchronization and frequency synchronization of embodiments may be performed independently, without requiring the results of one synchronization operation for performing the other synchronization operation.

Abstract: Systems and methods which provide training sequence or preamble-based synchronization with respect to non-coherent modulated signals and/or differentially coherent modulated signals are described. Embodiments provide for time synchronization using a technique for mitigating the effect of carrier frequency offset (CFO) with respect to the received signal. Embodiments of the present invention provide for frequency synchronization using a technique for estimating CFO using a constant bias induced with respect to the received signal by CFO. Additionally or alternatively, embodiments of the present invention provide for frequency synchronization using a technique for estimating CFO using phase rotation caused by CFO. The time synchronization and frequency synchronization of embodiments may be performed independently, without requiring the results of one synchronization operation for performing the other synchronization operation.

Abstract: Systems and methods which provide training sequence or preamble-based synchronization with respect to non-coherent modulated signals and/or differentially coherent modulated signals are described. Embodiments provide for time synchronization using a technique for mitigating the effect of carrier frequency offset (CFO) with respect to the received signal. Embodiments of the present invention provide for frequency synchronization using a technique for estimating CFO using a constant bias induced with respect to the received signal by CFO. Additionally or alternatively, embodiments of the present invention provide for frequency synchronization using a technique for estimating CFO using phase rotation caused by CFO. The time synchronization and frequency synchronization of embodiments may be performed independently, without requiring the results of one synchronization operation for performing the other synchronization operation.

Abstract: Systems and methods which provide training sequence or preamble-based synchronization with respect to non-coherent modulated signals and/or differentially coherent modulated signals are described. Embodiments provide for time synchronization using a technique for mitigating the effect of carrier frequency offset (CFO) with respect to the received signal. Embodiments of the present invention provide for frequency synchronization using a technique for estimating CFO using a constant bias induced with respect to the received signal by CFO. Additionally or alternatively, embodiments of the present invention provide for frequency synchronization using a technique for estimating CFO using phase rotation caused by CFO. The time synchronization and frequency synchronization of embodiments may be performed independently, without requiring the results of one synchronization operation for performing the other synchronization operation.

Abstract: The present invention relates to a pyrrole-substituted indolone derivative, a preparation method therefor, a composition comprising the derivative, and use thereof. The pyrrole-substituted indolone derivative has a structure shown in formula (I) below. The present invention further relates to use of the pyrrole-substituted indolone derivative for treating receptor tyrosine kinase-mediated diseases, and to a pharmaceutical composition comprising compounds having such a structure for treating related diseases such as tumors.