Abstract: The technical field of active substance preparations is belonged to, and provided are astaxanthin pickering emulsion with colon targeted delivery function, and a preparation method and application method thereof. The preparation method includes the following steps: S1, reparation of deacetylated-oxidized chitin nanofiber (DE-TO-ChNF)/carboxymethyl konjac glucomannan (CMKGM) nanogel; S2, preparation of astaxanthin oil phase; and S3, preparation astaxanthin pickering emulsion. Natural polysaccharide derivatives DE-TO-ChNF and CMKGM are used as raw materials, and stable crosslinking between covalent bonds and non-covalent bonds are formed between molecules in a composite system through the NHS/EDC, so as to form a stable nanogel. Then the nanogel is used as emulsifier and flaxseed oil rich in astaxanthin is used as oil phase to prepare the astaxanthin pickering emulsion by homogenization.

Abstract: The present disclosure provides a video processing method, an apparatus, a device and a storage medium. The method includes: after determining a target effect style and determining a target video clip based on presentation of a video to be processed on a timeline, establishing a binding relationship between the target effect style and the target video clip in response to an effect application trigger operation, so as to achieve an effect of applying the target effect style to the target video clip. The embodiment of the present disclosure, by establishing the binding relationship between the target effect style and the target video clip, achieves the effect of effect processing only on a certain video clip of the video, thereby meeting the user's demand of effect processing only on a certain video clip, which increases flexibility of video effect processing, and further improves the user's experience of video effect processing.

Abstract: The present disclosure provides an effect application previewing method, an apparatus, a device and a storage medium. The method includes: taking, in response to a preview trigger operation for a target effect style, a position of a pointer on a video track as a start point, to generate a virtual video frame for the target effect style; synchronously playing the virtual video frame and at least one video clip corresponding to the virtual video frame on the video track based on a timeline, to preview an effect of the target effect style applied to the at least one video clip.

Abstract: The invention relates to a smart card, which includes: a card body, having an accommodating recess extending along its own thickness direction of the card body; a decorative part, at least part of the decorative part being embedded in the accommodating recess; in which the decorative part includes a base layer and decorative pieces, more than two decorative pieces are arranged on the base layer, the base layer is connected to the card body, the decorative pieces correspond to the accommodating recess along the thickness direction and are exposed to an external environment. The smart card of the invention can improve the stereoscopic sense, individuation and noble sense of the smart card by arranging the decorative parts with decorative pieces on the card body.

Abstract: A method for measuring flicker fusion threshold. Set a measurement scheme, including setting N 8-shaped digital frames in a background light area that flickers within a set frequency. Set ten groups of different frequency combinations being applied to the N 8-shaped digital frames. Assign each frequency in each group of the frequency combinations with a stroke of the 8-shaped digital frame. Randomly select, for each of the N 8-shaped digital frames, one from the ten groups of the frequency combinations. Determine the value of each frequency in each group of frequency combinations in the N groups of frequency combinations. Recognize, by the subject, the flickering digits on the N 8-shaped digital frames in the background light area within the set frequency range. Determine the range of the flicker fusion threshold or the final flicker fusion threshold of the subject according to the result that can be seen by the subject.

Abstract: Provided are a modified graphite and a preparation method thereof, a carbon-coated negative active material and a preparation method thereof, a negative electrode plate, a secondary battery, a battery module, a battery pack, and an electrical device. The preparation method of a modified graphite includes the following steps: (S10) providing a graphite substrate; and (S20) heat-treating the graphite substrate in a micro-oxidizing atmosphere to obtain the modified graphite, where the micro-oxidizing atmosphere includes a reactive gas, and the reactive gas is one or more selected from CO2, O2, and O3. The preparation method of a carbon-coated negative active material includes the following steps: (S100) providing a negative active material substrate; and (S200) heat-treating the negative active material substrate and a carbonaceous precursor in a micro-oxidizing atmosphere to obtain the carbon-coated negative active material, where the micro-oxidizing atmosphere includes a reactive gas.

Abstract: This application provides a negative electrode active material and a preparation method thereof. The negative electrode active material may be self-embedded graphite composed of graphite A and graphite B, where the surface of the graphite A may have a tenon structure, the surface of the graphite B may have a mortise structure, the tenon structure of the graphite A and the mortise structure of the graphite B may be mutually embedded, and a hydrogen bond may be formed between the tenon structure of the graphite A and the mortise structure of the graphite B.

Abstract: A virtual scene interaction method is disclosed, including displaying a viewing page of a target cloud video, a play screen of a virtual scene being displayed in the target cloud video, the viewing page comprising N interaction triggering marks, an ith interaction triggering mark of the N interaction triggering marks being used for linking to an interaction progress point in the virtual scene, both i and N being positive integers, and i?N; and displaying, when the ith interaction triggering mark is selected, a control page for the virtual scene starting from the interaction progress point linked by the ith interaction triggering mark.

Abstract: An interaction scene starting method includes displaying a play interface of a target video, the target video corresponding to a recorded play of a game; identifying a first interaction progress point of a virtual interaction scene of the game in the target video; obtaining scene interaction data corresponding to the first interaction progress point from a scene interaction server; and displaying a scene interaction image according to the scene interaction data and enabling playing the game from the first interaction progress point.

Abstract: The invention discloses a terminal and an electronic device having the same. The terminal includes a connecting part, a mounting part, and a fixing part along an insertion direction, wherein the connecting part is adapted to be connected to a jump wire of an electronic component, the mounting part has an outer profile matching with at least a portion of an inner profile of an insertion hole in a base, for restricting displacement of the terminal after being inserted into the insertion hole, and the fixing part is adapted to be threadedly connected with the a fixing member so as to connect the fixing part to a circuit board.

Abstract: The present invention discloses a preparation method for a surface molding film of a PVC-based stone plastic composite board, including: surface activation treatment of the PVC-based stone plastic composite board: preparation of an activated putty, coarse roughening of a substrate surface, application and solidification of the activated putty, and fine roughening of the substrate surface; preparation of a PMMA slurry; and surface film forming of the PVC-based stone plastic composite board. The PVC-based stone plastic composite board coated with a PMMA film is obtained by cold pressing and shaping in a mold, tightening up a clamp, solidifying at low temperature, treating at high temperature, cooling and demolding.

Abstract: Systems and methods are disclosed for air flow optimization. In certain embodiments, the technology is a system comprising sensors, injectors, actuators, and a system processor. In order to optimize the air flow, the system processor directs the injectors to expel aerosol particles into an environment, such that the aerosol particles can be measured by the one or more sensors. Flow intensity map generation is then used to map the aerosol particles and air flow is changed to optimize aerosol particle concentration using the actuators.

Abstract: The invention discloses a terminal and an electronic device having the same. The terminal includes a connecting part, a mounting part, and a fixing part along an insertion direction, wherein the connecting part is adapted to be connected to a jump wire of an electronic component, the mounting part has an outer profile matching with at least a portion of an inner profile of an insertion hole in a base, for restricting displacement of the terminal after being inserted into the insertion hole, and the fixing part is adapted to be threadedly connected with the a fixing member so as to connect the fixing part to a circuit board.

Abstract: A method for measuring flicker fusion threshold. Set a measurement scheme, including setting N 8-shaped digital frames in a background light area that flickers within a set frequency. Set ten groups of different frequency combinations being applied to the N 8-shaped digital frames. Assign each frequency in each group of the frequency combinations with a stroke of the 8-shaped digital frame. Randomly select, for each of the N 8-shaped digital frames, one from the ten groups of the frequency combinations. Determine the value of each frequency in each group of frequency combinations in the N groups of frequency combinations. Recognize, by the subject, the flickering digits on the N 8-shaped digital frames in the background light area within the set frequency range. Determine the range of the flicker fusion threshold or the final flicker fusion threshold of the subject according to the result that can be seen by the subject.

Abstract: A channel multiplexing method for reading array detector signals includes: dividing array detectors into M groups, at least two detectors being in each group; array coding the read channel to read M row signals and N column signals, which means when a signal is outputted at the detector in row a, column b, the signals of row a and column b are outputted correspondingly; connecting the readout signals of-the row and the column to different positions of two transmission lines respectively; determining the source row number and column number of the signal on the basis of the time difference between the time of signal reaching two ends of the transmission line, and marking the source detector from which the signal is generated on the basis of two time differences of the row signal and the column signal.

Abstract: A virtual-reality-based control method and apparatus are disclosed. In the method, a moving instruction initiated by a first object located in a virtual reality scene is detected and a moving request is transmitted to a server based on the moving instruction. A movable area is received from the server in response to the moving request, wherein the movable area does not overlap with a safe area of a second object, the second object being an object other than the first object in the virtual reality scene. The first object is prompted to move within the movable area.

Abstract: A method for placing a media file in a virtual three-dimensional space is provided. First position information of a visual residence area of a target object in the virtual three-dimensional space within each first preset time period is obtained, the visual residence area indicating an area to which an eye of the target object is directed in the virtual three-dimensional space. Visual distribution information of the target object in the virtual three-dimensional space is obtained based on the first position information within a second preset time period, the second preset time period including the first preset time period. A target placement position is generated in the virtual three-dimensional space based on the visual distribution information. A media file is provided at the target placement position in the virtual three-dimensional space.

Abstract: The present invention discloses a preparation method for a surface molding film of a PVC-based stone plastic composite board, including: surface activation treatment of the PVC-based stone plastic composite board: preparation of an activated putty, coarse roughening of a substrate surface, application and solidification of the activated putty, and fine roughening of the substrate surface; preparation of a PMMA slurry; and surface film forming of the PVC-based stone plastic composite board. The PVC-based stone plastic composite board coated with a PMMA film is obtained by cold pressing and shaping in a mold, tightening up a clamp, solidifying at low temperature, treating at high temperature, cooling and demolding.

Abstract: A method for placing a media file in a virtual three-dimensional space is provided. First position information of a visual residence area of a target object in the virtual three-dimensional space within each first preset time period is obtained, the visual residence area indicating an area to which an eye of the target object is directed in the virtual three-dimensional space. Visual distribution information of the target object in the virtual three-dimensional space is obtained based on the first position information within a second preset time period, the second preset time period including the first preset time period. A target placement position is generated in the virtual three-dimensional space based on the visual distribution information. A media file is provided at the target placement position in the virtual three-dimensional space.

Abstract: A magnetic device includes a housing, a bobbin, at least one coil, and a first magnetic core and a second magnetic core. The housing has at least one side plate and a bottom plate. The side plate stands on the bottom plate and forms a space with the bottom plate. The bobbin is at least partially located in the space. The bobbin has a cylinder. The at least one coil is wound around the cylinder. Each of the first and second magnetic cores includes a center column, a side column, a connecting portion, and a metal clip. The center column is located in the cylinder. The side column is located outside the coil and away from the bottom plate, such that the coil is located between the side column and the bottom plate. The connecting portion connects the center column and the side column.