Abstract: A method for regenerating different types of copper-containing aluminum alloys using aluminum alloy scrap from aeronautical industry includes detecting a chemical composition of said aluminum alloy scrap and optionally adding a suitable amount of a metal or alloy additive according to a composition requirement of a target aluminum-copper alloy, thereby obtaining a mixture of aluminum alloy scrap and metal or alloy additive; vacuum smelting the mixture of aluminum alloy scrap and metal or alloy additive in a vacuum furnace, wherein impurities are removed and an aluminum alloy solution is formed; filtering the aluminum alloy solution using a filter to obtain a melt comprising a target aluminum alloy composition; and casting the target aluminum alloy composition from said melt.

Abstract: A video processing collaboration method includes transmitting a video processing capability request and a video analysis capability request to a terminal device, receiving video processing capability information and video analysis capability information from the terminal device based on the video processing capability request and the video analysis capability request, determining a video processing collaboration configuration based on the video processing capability information and a video analysis collaboration configuration based on the video analysis capability information, allocating an image processing task to the terminal device, to the cloud server, or to both the terminal device and the cloud server, based on the video processing collaboration configuration, and allocating an image analysis task to the terminal device, to the cloud server, or to both the terminal device and the cloud server, based on the video analysis collaboration configuration.

Abstract: An encoding method includes pre-encoding a current video frame in a video stream, to obtain a pre-encoded current video frame, when there is no I frame in M encoded video frames that have been encoded before the current video frame, determining whether the current video frame is a scene switching frame in which scene switching has occurred relative to a previous video frame, based on the pre-encoded current video frame and a pre-encoded previous video frame to the current video frame, M being a preset positive integer, and encoding the current video frame into an I frame when the current video frame is the scene switching frame, and encoding the current video frame into a P frame when the current video frame is not the scene switching frame.

Abstract: A video encoding method includes obtaining a current image frame, performing video image enhancement on a target region in the current image frame, to generate an image-enhanced image frame, the target region including a region in which hopping occurs in a pixel value of a pixel in the current image frame, and encoding the image-enhanced image frame.

Abstract: A method for recycling an aluminum alloy scrap includes performing selective oxidation roasting and washing treatment on the aluminum alloy scrap to obtain an uncoated aluminum alloy scrap; melting the uncoated aluminum alloy scrap in a refining furnace to obtain aluminum alloy melt liquid, online-detecting components of the aluminum alloy melt liquid and adding a metallic copper, a copper alloy, a magnesium alloy or a zinc alloy to the aluminum alloy melt liquid according to the requirements of target alloy components, performing pressure-controlled and oxygen-controlled melting through regulating pressure intensity and oxygen partial pressure in the refining furnace and coupling an external-field stirring mode to obtain refining aluminum alloy melt liquid; filtering the refining aluminum alloy melt liquid, to obtain an aluminum alloy melt with the target alloy components; and casting the aluminum alloy melt.

Abstract: In a method for decoding, a running state of a decoder that is performing hardware decoding on a plurality of first content data is acquired. When the running state of the decoder is determined to be in an idle state between the decoding of the plurality of first content data, second content data is acquired, the second content data being a copy of one of the plurality of first content data. Further, decoding is performed on the second content data by processing circuitry of the decoder.

Abstract: An image processing method and apparatus, a computer device, a storage medium and a program product, which can be applied to scenes such as image processing, game, and game basic skill. The method includes: encoding a current frame image to obtain an initial encoded image, and obtaining an encoding parameter, the encoding parameter comprising: a parameter indicating whether a scene switch exists in the current frame image; and recoding the current frame image based on a determination, according to the encoding parameter, that the current frame image needs to be recoded to obtain a target encoded image, wherein a data volume of the target encoded image is less than the data volume of the initial encoded image.

Abstract: The disclosure provides an image display method including: obtaining an adjustment ability of an image parameter in a terminal device, the adjustment ability of the image parameter being used for indicating the image parameter capable of being adjusted in the terminal device; obtaining first data of an image of a first application; and based on the first data including M first parameters and parameter values of the M first parameters, adjust parameter values of M second parameters, respectively, and based on the adjusted parameter values of the M second parameters, display the image of the first application; where the first parameter is an image parameter of the first application indicated by the adjustment ability; and the first parameters have one-to-one correspondence to the second parameters, and an adjustment range of the second parameters includes the parameter values of the first parameters.

Abstract: An image encoding method and apparatus, a real-time communication method, a device, a storage medium, and a program product. The method includes: obtaining a first image frame in a video stream, encoding the first image frame into a first non-instantaneous decoding refresh (non-IDR) frame, and encoding a next image frame of the first image frame into an instantaneous decoding refresh (IDR) frame based on a determination, according to the first non-IDR frame, that a scene switch occurs.

Abstract: The present disclosure relates to a treatment method of wastewater containing heterocyclic organics comprising the following steps: (1) adding a persulfate to the wastewater containing heterocyclic organics in a reaction vessel; (2) heating the reaction vessel to a reaction temperature in an inert atmosphere, then introducing an oxygen-containing gas until a reaction pressure is reached for reaction, and after the reaction is completed, cooling and filtering the reaction resultant to obtain a filtrate as a treated effluent and a filter residue; no catalyst is added to the reaction system. The treatment method provided by the present disclosure not only can significantly reduce the treatment temperature of the conventional wet oxidation, but also can control the amount of generated spherical polymer and the removal efficiency of organic pollutants by control of reaction conditions. Wastewater purification and organics recovery and reuse are achieved at the same time.

Abstract: The application discloses a bone conduction acoustic device, a method for assembling bone conduction acoustic device and a bone conduction earphone. The bone conduction acoustic device includes: a case, which includes a base case portion and a side case portion connected with the base case portion, a cavity with an opening at one end is formed between the base case portion and the side case portion; a cover connected to the side case portion and sealing the opening; the magnet assembly connected to the cover and located in the cavity; a voice coil assembly arranged in the cavity, and voice coil assembly part is arranged opposite to the magnet assembly part for driving the magnetic assembly to vibrate; and a circuit board arranged in the cavity and electrically connected to the voice coil assembly, the circuit board is located between the base case portion and the voice coil assembly.

Abstract: A decoder configuration method includes: acquiring at least two compatibility grade configurations for configuring decoding parameters of a decoder, the different compatibility grade configurations being different in priority level, decoding property and decoder compatibility; selecting one compatibility grade configuration from the compatibility grade configurations according to the priority levels from high to low; configuring the decoder according to the compatibility grade configuration; starting the decoder, and performing decoding abnormality detection processing on the decoder to obtain an abnormality detection result; and performing hardware decoding processing on a to-be-decoded video according to the compatibility grade configuration to obtain a decoding processing result based on the abnormality detection result indicating that the decoder is normal, and determining that the current compatibility grade configuration is applicable to the decoder according to the decoding processing result in respons

Abstract: The application discloses a bone conduction earphone and a method for assembling bone conduction earphone. The bone conduction earphone includes: a first bone conduction acoustic device; a second bone conduction acoustic device; the control compartment, which includes a main control board for controlling the first bone conduction acoustic device and the second bone conduction acoustic device; and the battery compartment, which includes a power supply for supplying power to the first bone conduction acoustic device, the second bone conduction acoustic device and the main control board. The bone conduction earphone of the present application has a more compact structure and a more convenient and efficient assembly.

Abstract: Disclosed is a battery pre-processing apparatus and method. The battery pre-processing apparatus includes a control mechanism, as well as an automatic feeding mechanism, a transmission mechanism, an electricity monitoring actuator, a non-destructive testing mechanism, a flexible grabber mechanism, a multi-station operating table, an automatic cutting mechanism, an automatic separation mechanism, and a recovery and dust collection system that are each electrically connected to the control mechanism.

Abstract: The present disclosure provides a fluorescent nanomaterial and a preparation method and applications thereof, and the preparation method comprises: subjecting amphiphilic molecules in a solvent system to an illumination treatment and/or a heat treatment to obtain fluorescent nanomaterials. The preparation of fluorescent nanomaterials provided by the present disclosure is simple in process, simple and easily available in raw materials and requires neither additional addition of a strong acid, a strong alkali, a passivating agent and the like, nor high temperature and high pressure in the preparation process. The whole process is environmentally friendly and pollution-free and the products can be used in various fields.

Abstract: A method for regenerating different types of copper-containing aluminum alloys using aluminum alloy scrap from aeronautical industry.

Abstract: The present disclosure provides a recycling method of amphiphilic surface-active pollutants in water, comprising: performing a polymerization reaction by illumination treatment on the amphiphilic surface-active pollutants in water to form a polymerization product; performing self-assembly on the polymerization product for aggregation to form a fluorescent material, and performing separation to obtain a recycled product. Through treatment of the amphiphilic surface-active pollutants by illumination, the present disclosure can realize the recycled utilization of the amphiphilic pollutants in the wastewater by one step of reaction, so that the amphiphilic surface-active pollutants can be converted into usable fluorescent materials, and the biological toxicity is greatly reduced.

Abstract: Disclosed is a battery pre-processing apparatus and method. The battery pre-processing apparatus includes a control mechanism, as well as an automatic feeding mechanism, a transmission mechanism, an electricity monitoring actuator, a non-destructive testing mechanism, a flexible grabber mechanism, a multi-station operating table, an automatic cutting mechanism, an automatic separation mechanism, and a recovery and dust collection system that are each electrically connected to the control mechanism.

Abstract: An intra code-rate predicting method in video coding, which enables skipping of an entropy coding procedure during a rate-distribution optimization process and effectively reduces the coding time by modeling residual information of a prediction block and predicting the number of coding bits based on a model resulting from the modeling.