Abstract: Disclosed are self-aspirating and gas-liquid dispersing impellers, belonging to the technical field of impellers. The self-aspirating and gas-liquid dispersing impellers include an stirring shaft, a hub, a disc and blades; the hub is coaxially sleeved on the stirring shaft, the disc is connected to the hub, a plurality of blades which extend in the radial direction are arranged on the circumferential side face of the disc, and a gas inlet channel is formed in the disc; each of the plurality of blades includes an upper curved surface and a lower curved surface, and a rotary cavity is embedded between the upper curved surface and the corresponding lower curved surface; and one side of the rotary cavity is a liquid facing surface. The impeller of the disclosure has the dual functions of radial gas-liquid dispersing and axial fluid mixing, effectively promotes microscopic mass transfer and macroscopic fluid delivery between gas and liquid phases.

Abstract: The present invention discloses a method for segmenting pedestrians in roadside images using a variable-scale multi-feature fusion convolutional network. It addresses the challenge of significant changes in pedestrian scale by using two parallel convolutional neural networks to extract the local and global features at different scales, and then fusing them to obtain a variable-scale multi-feature fusion convolutional neural network, and this network is trained using roadside pedestrian images to realize accurate pedestrian segmentation, avoiding issues with boundary fuzziness and missing segments commonly found in single-network methods.

Abstract: A charging circuit includes a first charging path and a second charging path. The first charging path and the second charging path are connected in parallel, and the first charging path and the second charging path are both used to receive a charging signal via a wired charging interface. The first charging path is connected to a first power end of a battery, and the second charging path is connected to a second power end of the battery. The first end of the battery is different from the second end of the battery.

Abstract: An information reading system includes an information reading device and a device-to-be-identified. The information reading device includes a first signal pin, a second signal pin, and a control module, and the device-to-be-identified includes a third signal pin and a ground pin. The control module is configured to, when recognizing that the device-to-be-identified is inserted, control the first signal pin to connect to the third signal pin of the device-to-be-identified, and control the second signal pin to connect to the ground pin, to form a first single-wire path, and attempt to read anti-counterfeiting information stored in the device-to-be-identified by using the first single-wire path.

Abstract: An audio signal adjustment method, a storage medium, and a terminal are provided. The method may include: when it is detected that a pre-set event is triggered, controlling a microphone to acquire an audio signal, the pre-set event comprising a pre-set call event and/or a pre-set voice recording event; analyzing the sound loudness corresponding to the audio signal; dynamically adjusting, according to the analysis result and a pre-set adjustment policy, the sound loudness corresponding to the audio signal; and performing, according to the type of the pre-set event, corresponding output processing on the adjusted audio signal.

Abstract: The embodiment of the disclosure provides a volume adjusting method and device, a mobile terminal and a storage medium. The method includes: acquiring first audio information corresponding to an audio source when detecting that the audio source of a terminal device is playing; determining a first audio amplitude of the first audio information; determining a second audio amplitude of second audio information when the first audio amplitude meets a preset query condition, wherein the second audio information is played after the first audio information; determining corresponding adjustment information when the second audio amplitude meets a preset adjustment condition; and adjusting a volume of the terminal device according to the adjustment information. The disclosure improves the volume adjustment efficiency and reduces the energy consumption of the terminal device.

Abstract: A terminal, a method for controlling image graphing of the terminal, and a non-transitory computer-readable storage medium are provided. The method includes: initiating an image graphing request, and detecting response information of the image graphing request; determining, according to a preset image graphing strategy, whether a target object meets a non-graphing condition, when the response information of the image graphing request is received; skipping an image graphing operation to the target object when the target object meets the non-graphing condition.

Abstract: A method for controlling display of a terminal, an electronic device and a non-transitory computer readable storage medium are provided. The method includes the following. A target object is determined in a first display scenario, where the first display scenario contains display content of at least two objects. The number of times display content of a first object being prevented from being displayed in a predetermined period is obtained. If the number of times reaches a preset threshold corresponding to the first display scenario, the display of the display content of the first object is blocked in the first display scenario.

Abstract: The present invention discloses a roadside image pedestrian segmentation method based on a variable-scale multi-feature fusion convolutional network. For scenes where the pedestrian scale changes significantly in the intelligent roadside terminal image, this method designs two parallel convolutional neural networks to extract the local and global features of pedestrians at different scales in the image, and then fuses the local features and global features extracted by the first network with the local features and global features extracted by the second network at the same level, and then fuse the fused local features and global features for the second time to obtain a variable-scale multi-feature fusion convolutional neural network, and then train the network and input roadside pedestrian images to realize pedestrian segmentation.

Abstract: Provided are a method and apparatus for controlling rendering of layers, and a terminal. The method includes the following. Layer attribute information of a current layer rendered by an application is obtained, where the current layer has a specified type. A target frame rate of rendering is determined according to the layer attribute information of the current layer. The application is controlled to render, according to the target frame rate of rendering, a layer to-be-rendered of the specified type.

Abstract: The present disclosure provides a volume adjusting method, a device, and a terminal device. In the method, audio information of an audio source may be obtained when a terminal device is playing the audio source. An audio amplitude corresponding to the audio information is determined basing on the audio information. The audio amplitude is adjusted according to an amplitude adjustment coefficient, and the amplitude adjustment coefficient is assigned according to the value of the audio amplitude.

Abstract: A method for dynamically adjusting an energy-saving grade of a terminal, a non-transitory computer-readable storage medium, and the terminal are provided. The method includes: acquiring an application identifier of a currently displayed application; determining, by querying a preset first white list, a first energy-saving grade corresponding to the application according to the application identifier, and acquiring display effect parameters corresponding to the first energy-saving grade, where the first white list defines an association relationship between a plurality of application identifiers and a plurality of energy-saving grades; and setting an energy-saving grade of the terminal according to the first energy-saving grade, and processing a to-be-displayed image according to the display effect parameters corresponding to the first energy-saving grade.

Abstract: A method and device for controlling a frame rate of an electronic device, and an electronic device are provided. The method includes the following. A frame rate of rendering and a priority of each of target objects currently running on the electronic device are obtained. A synthesizing frame rate of the electronic device is determined according to the frame rate of rendering and the priority of each of the target objects. According to the synthesizing frame rate, respective images rendered by the target objects are synthesized to generate a to-be-displayed image.

Abstract: The present disclosure provides a volume adjusting method, a device, and a terminal device. In the method, audio information of an audio source may be obtained when a terminal device is playing the audio source. An audio amplitude corresponding to the audio information is determined basing on the audio information. The audio amplitude is adjusted according to an amplitude adjustment coefficient, and the amplitude adjustment coefficient is assigned according to the value of the audio amplitude.

Abstract: An audio signal adjustment method, a storage medium, and a terminal are provided. The method may include: when it is detected that a pre-set event is triggered, controlling a microphone to acquire an audio signal, the pre-set event comprising a pre-set call event and/or a pre-set voice recording event; analyzing the sound loudness corresponding to the audio signal; dynamically adjusting, according to the analysis result and a pre-set adjustment policy, the sound loudness corresponding to the audio signal; and performing, according to the type of the pre-set event, corresponding output processing on the adjusted audio signal.

Abstract: The embodiment of the disclosure provides a volume adjusting method and device, a mobile terminal and a storage medium. The method includes: acquiring first audio information corresponding to an audio source when detecting that the audio source of a terminal device is playing; determining a first audio amplitude of the first audio information; determining a second audio amplitude of second audio information when the first audio amplitude meets a preset query condition, wherein the second audio information is played after the first audio information; determining corresponding adjustment information when the second audio amplitude meets a preset adjustment condition; and adjusting a volume of the terminal device according to the adjustment information. The disclosure improves the volume adjustment efficiency and reduces the energy consumption of the terminal device.

Abstract: A method and an electronic device for controlling display refresh rate of an electronic device include operations as follows. When there is at least one foreground application currently running is a predefined application of a white list, a predefined refresh rate of the at least one foreground application is obtained and a target refresh rate of a display screen of the electronic device is determined according to the predefined refresh rate of the at least one foreground application. A frame buffer of the electronic device is controlled to send frame data to be displayed to the display screen at the same frequency as the target refresh rate.

Abstract: Embodiments of the present disclosure provide a method and a device for controlling a refresh rate of a mobile terminal and a mobile terminal. The method includes: determining that each of at least one foreground applications running currently is in a whitelist consisting of preset applications; obtaining a preset refresh rate corresponding to each of the at least one foreground application in the whitelist, and determining a target refresh rate of a display screen of the mobile terminal according to the preset refresh rate corresponding to each of the at least one foreground applications, in which an operation mode of the display screen is a command mode; and controlling the display screen by a display controller to read display frame data to be displayed from a frame buffer unit of the display screen at a frequency same as the target refresh rate and to display the display frame data.

Abstract: A method for determining a scene currently displayed on a terminal and a terminal are provided. The method includes obtaining parameters for determining a scene currently displayed on the terminal, and determining the scene currently displayed on the terminal based on the parameters. The parameters include one or more process identifiers of a currently running application and sensing data provided by one or more sensors of the terminal.

Abstract: Embodiments of the present disclosure disclose a mobile terminal and a method and a device for controlling to display. The method includes: receiving a plurality of layers rendered by an application; determining a target layer from the plurality of layers according to respective layer attribute information corresponding to the plurality of layers, in which, the layer attribute information includes at least one of the following: whether cache data is null, whether a display mode matches other layers, an attribute of at least one visible region, an attribute of at least one transparent region, whether there is at least one updated region in a preset period, and an attribute of the at least one updated region, where the display mode includes a landscape orientation mode or a portrait orientation mode; and composing layers in the plurality of layers other than the target layer into an image to be displayed, and sending the image to be displayed to a screen for displaying.