Abstract: A user selection method includes: acquiring user feature information; determining user association information according to the user feature information; and selecting users according to the user association information and a preset condition.

Abstract: Provided are a channel state information transmission method, a channel state information receiving method, a signaling information transmission method, a node and a medium. The channel state information sending method is applied to a first communication node and includes the following. M downlink measurement reference signal resources are determined, where M is a positive integer greater than 1; one set of channel state information is determined according to the M downlink measurement reference signal resources; and the one set of channel state information is sent.

Abstract: A picture processing method and apparatus, a device, and a storage medium are provided. The method includes: detecting, in response to an image editing trigger operation, a target processing part in a to-be-processed picture; determining an image region comprising the target processing part, in the to-be-processed picture; and zooming in on the image region, on an image editing interface. Hence, according to the embodiments, when an image editing operation is triggered, the target processing part on the to-be-processed picture can be quickly positioned, and be zoomed in on the image editing interface, so that a user can conveniently perform image editing on the target processing part, and the picture processing efficiency is improved to a certain extent.

Abstract: A method for determining a quasi-co-location (QCL) relationship, applied to a first node, including: acquiring indication information; determining the QCL relationship between a first reference signal and a second reference signal according to the indication information; where the indication information includes QCL association information, first time window information and second time window information; the QCL association information includes the first reference signal having the QCL relationship with the second reference signal, and a QCL type.

Abstract: An image processing method and apparatus, a device, and a storage medium are provided. Said method comprises: performing face recognition on a target image, in response to a processing trigger operation for the target image; determining a first portrait area corresponding to a first face in the target image, wherein the first portrait area comprises a portrait corresponding to the first face; sending the first portrait area to a first target user corresponding to the first portrait area; and receiving a first edited portrait area returned after the first target user performing online editing on the first portrait area, and synthesizing the first edited portrait area into the target image.

Abstract: An electronic device includes a cell, a circuit board, and a cell protection unit. The circuit board is provided in the electronic device and configured to control the electronic device. The circuit board is electrically coupled to the cell, and the cell protection unit is provided on the circuit board. The cell protection unit is integrated with the circuit board, so as to facilitate heat dissipation of the cell, prolong the service life of the cell, speed up the production cycle of the cell, and reduce the production cost of the cell.

Abstract: An eye state detection-based image processing method and apparatus, a device, and a storage medium are provided. The method comprises: detecting eye states of a target face in an image set to be processed to obtain target area images in which the eye states meet a preset condition, then determining therefrom a target effect image corresponding to the target face, and finally synthesizing the target effect image onto a reference image in the image set to be processed to obtain a target image corresponding to the image set to be processed.

Abstract: An anti-backflow charging circuit and an electronic device are provided. The anti-backflow charging circuit includes: a charging circuit, an input current detection circuit, an output current detection circuit, and a control module. An input of the charging circuit is connected to a power adapter, and an output of the charging circuit is connected to a battery. The input current detection circuit is connected between the power adapter and the charging circuit, to detect an input current. The output current detection circuit is connected between the charging circuit and the battery, to detect a battery output current. The control module is separately connected to the charging circuit, the input current detection circuit, and the output current detection circuit.

Abstract: A photographing mode determination method and apparatus, and an electronic device and a storage medium are provided. The method comprises: acquiring at least two consecutive frames of images photographed by an image photographing apparatus; determining whether there are two frames of images having a similarity less than a preset threshold value in the at least two consecutive frames of images; and if two frames of images having a similarity less than the preset threshold value are not present in the at least two consecutive frames of images, setting a photographing mode of the image photographing apparatus to be a high-dynamic range mode.

Abstract: The present application relates to a series-parallel switching device and a battery pack including the series-parallel switching device. The series-parallel switching device used for the battery pack is disclosed. The battery pack includes a first battery and a second battery. The switching device includes: a switching circuit, which is configured to be electrically coupled with the first battery and the second battery, where the switching circuit is configured to receive a control signal, and the switching circuit is controlled by the control signal to switch the first battery and the second battery between a parallel state and a series state, or switch the first battery or the second battery to a disconnection state.

Abstract: Disclosed are a method and device for preventing carbon deposition in a fluidized bed reactor for the organosilicon monomer synthesis. The device includes a tank, at least one U-shaped heat exchange tube, and at least one upper flow-guide block. The U-shaped heat exchange tube includes an elbow portion, and is arranged vertically with the elbow portion at a lower end. The upper flow-guide block is arranged on an upper surface of the elbow portion. A width of the upper flow-guide block decreases from an end connected to the elbow portion to an end away from the elbow portion.

Abstract: An electronic device includes a cell, a circuit board, and a cell protection unit. The circuit board is provided in the electronic device and configured to control the electronic device. The circuit board is electrically coupled to the cell, and the cell protection unit is provided on the circuit board. The cell protection unit is integrated with the circuit board, so as to facilitate heat dissipation of the cell, prolong the service life of the cell, speed up the production cycle of the cell, and reduce the production cost of the cell.

Abstract: An image processing method and apparatus, a device, and a storage medium are provided. Said method comprises: performing face recognition on a target image, in response to a processing trigger operation for the target image; determining a first portrait area corresponding to a first face in the target image, wherein the first portrait area comprises a portrait corresponding to the first face; sending the first portrait area to a first target user corresponding to the first portrait area; and receiving a first edited portrait area returned after the first target user performing online editing on the first portrait area, and synthesizing the first edited portrait area into the target image.

Abstract: An eye state detection-based image processing method and apparatus, a device, and a storage medium are provided. The method comprises: detecting eye states of a target face in an image set to be processed to obtain target area images in which the eye states meet a preset condition, then determining therefrom a target effect image corresponding to the target face, and finally synthesizing the target effect image onto a reference image in the image set to be processed to obtain a target image corresponding to the image set to be processed.

Abstract: An electronic device includes a cell, a circuit board, and a cell protection unit. The circuit board is provided in the electronic device and configured to control the electronic device. The circuit board is electrically coupled to the cell, and the cell protection unit is provided on the circuit board. The cell protection unit is integrated with the circuit board, so as to facilitate heat dissipation of the cell, prolong the service life of the cell, speed up the production cycle of the cell, and reduce the production cost of the cell.

Abstract: A method for calculating a short-circuit current of a battery. includes: obtaining an integral state of charge and a current state of charge of the battery; calculating a first difference based on the integral state of charge and the current state of charge; calculating the short-circuit current of the battery based on the first difference; obtaining a first real state of charge and a second real state of charge; updating the first real state of charge and the second real state of charge based on a temperature-impedance table and the short-circuit current of the battery; calculating a second difference based on the updated first real state of charge and the updated second real state of charge; and updating the short-circuit current of the battery based on the second difference.

Abstract: A picture processing method and apparatus, a device, and a storage medium are provided. The method includes: detecting, in response to an image editing trigger operation, a target processing part in a to-be-processed picture; determining an image region comprising the target processing part, in the to-be-processed picture; and zooming in on the image region, on an image editing interface. Hence, according to the embodiments, when an image editing operation is triggered, the target processing part on the to-be-processed picture can be quickly positioned, and be zoomed in on the image editing interface, so that a user can conveniently perform image editing on the target processing part, and the picture processing efficiency is improved to a certain extent.

Abstract: The present disclosure provides a collimator. The collimator includes a slice module, a filter module, and a support and protection module. The slice module and the filter module are detachably connected with the support and protection module. The rays strike on the collimator and pass through the slice module and the filter module in order. The slice module is configured to adjust the fan-beam width of the rays striking on the collimator. The filter module is configured to make the rays pass through different filters to implement different types of scanning.

Abstract: A method for detecting a lithium separation phenomenon of a battery of a terminal device is provided. The method includes detecting a working state of the battery, and collecting a first voltage of the battery when the working state of the battery is the resting state. The method further include collecting a second voltage of the battery when the battery is left to stand for a preset period of time, and determining whether the lithium separation phenomenon has occurred according to the first voltage and the second voltage. The implementation of the application can detect whether the lithium separation phenomenon has occurred in the battery and trigger a protection circuit of the battery in time when the lithium separation phenomenon has occurred in the battery.

Abstract: A battery detection system includes a battery assembly and an electronic device. The battery assembly includes a first connector and a detection module connected to the first connector. The electronic device includes a second connector and a control module connected to the second connector. When the first connector is connected to the second connector, the detection module is configured to output first identification information to the electronic device through the first connector. When the second connector receives the first identification information, the control module confirms that the battery assembly is in a connected state. After the first connector is disconnected from the second connector, the detection module generates and outputs second identification information. When information received by the second connector changes from the first identification information to the second identification information, the control module confirms that the battery assembly is disconnected.