Abstract: A ductile material, a method for manufacturing a ductile member, and an anti-collision device for bridge piers, wherein the ductile material includes specific components in parts by mass as follows: 50-62 parts of thermoplastic polyurethane, 11-33 parts of neodymium-iron-boron, 12-24 parts of nickel-titanium alloy, 2-3 parts of metal magnetic powder, and 1-2 parts of polypropylene or polyethylene or polylactic acid or polyetheretherketone. The use of the ductile material, the method for manufacturing a ductile member, and the anti-collision device for bridge piers facilitates navigation.

Abstract: The present invention discloses a multifunctional Petri dish with two sealing structures to ensure that the water in the medium will not evaporate during continuous culture, further affecting cultured living material growth and development. In addition to alcohol spray, the multifunctional Petri dish allows the application of acids, alkalis, alcohols, peroxides solution, or peroxides gas to immerse the multi-purpose Petri dish to remove bacteria or viruses. Various accessory devices can meet all requirements for a living culture of cells and tissues that the existing Petri dishes cannot provide. Using the dish cover operator and the dish container operator is essential to ensure that the researcher's hands will not directly touch the Petri dish in the sterile operating bench, thereby blocking all potential contamination of the medium and culture by foreign organisms.

Abstract: The invention discloses a copyright protection and royalty distribution method based on a NFT and its associated smart contracts. The smart contracts govern the initial minting, derivative minting, and trading of the NFT as well as the royalty distributions of every trades in the lifetime of the NFT, This method uses blockchain and NFT technology to manage and protect the copyright of digital music. The ownership and trade transaction records of the NFT are verified through blockchain technology and the distribution of digital music royalties are automated via smart contracts. According to the method of the present invention, the copyright of digital music can be made more transparent and secure, the distribution of royalties can be more just and efficient, and copyright infringement and improper resale can be avoided.

Abstract: A server for predicting a future traffic load of a base station is provided. The server may obtain a first prediction model based on traffic data collected from the base station for a first period of time, obtain a second prediction model based on traffic data collected from the same base station for a second period time, and also based on knowledge transferred from the first prediction model. Each of the first prediction model and the second prediction model may include an encoder module, a reconstruction module, and a prediction module which are connected to form two paths, an encoder-reconstruction path and an encoder-prediction path, to preserve more information of historic traffic data.

Abstract: An image acquisition method applied to a first electronic device, and the first electronic device includes N first cameras, N being an integer greater than or equal to 3. The image acquisition method includes: firstly, receiving, by the first electronic device, first position information from a second electronic device, the first position information being position information of eyes of a viewer of the second electronic device; then, selecting, by the first electronic device, K first cameras from the N first cameras based on the first position information, K being an integer greater than or equal to 2 and less than N; then, acquiring, by the first electronic device, images by using the K first cameras.

Abstract: A display panel, a gate drive circuit, a shift register unit and a driving method thereof. The shift register unit includes: a shift register (1) connected with a signal input end (CR) and a signal output end (OUT), configured to control an electric potential of the signal output end (OUT) under control of an electric potential of the signal input end (CR); a control circuit (2) connected with a start signal end (STV), a control signal end (EN) and the signal input end (CR), configured to control the start signal end (STV) to connect to the signal input end (CR) under control of an electric potential of the control signal end (EN). The present disclosure can achieve independent refreshing of any area on the display panel.

Abstract: An array substrate is provided. The array substrate includes a base substrate and a plurality of gate lines, a plurality of data lines, a common electrode layer and a plurality of pixel units arranged in an array disposed on the base substrate. Each of the pixel units includes a plurality of sub-pixel units defined by gate lines and data lines disposed to intersect each other laterally and vertically. The common electrode layer includes a plurality of common electrode blocks that double as self-capacitance electrodes, each of the common electrode blocks is connected with at least one wire, and the wires are in the middle of sub-pixel units of a same column.

Abstract: The present disclosure provides a functional substrate and a preparation method thereof, and belongs to the technical field of passive devices. A functional substrate of the present disclosure has a central region and a peripheral region surrounding the central region; the functional substrate includes: a dielectric substrate including a first surface and a second surface opposite to each other in a thickness direction thereof; the dielectric substrate includes functional holes and anchor holes each at least penetrating through the first surface; wherein the functional holes are located in the central region and the anchor holes are located in the peripheral region; the first connection structure is in the functional hole, the second connection structure is in the anchor hole, and the first connection structure and the second connection structure are made of the same material.

Abstract: Provided is a method for cell measurement, and a device. The method is applicable to a terminal device. The method includes: performing neighbor cell layer 1 (L1) measurement based on an L1 measurement configuration. The device includes a processor, wherein the processor, when loading and running a computer program, is caused to perform the method for cell measurement.

Abstract: The subject technology receives a query, the query including a statement for performing the query. The subject technology performs a first lookup operation on a multi-phase cache based on the query. The subject technology performs, in response to a first cache miss of the multi-phase cache, parsing of the statement from the query. The subject technology performs, based on the parsing, a compilation process on the query to generate a compiled query plan, the compilation process determining an optimization and a generalization for the query. The subject technology determines that the compiled query plan is cacheable. The subject technology registers, in response to the compiled query plan being cacheable, a dummy entry in the multi-phase cache.

Abstract: A method of encoding an image, an electronic device and a storage medium are provided, which relate to a field of image processing technology, in particular to fields of image encoding, video encoding and video compression technologies. The method includes: determining a target region containing an object from an original image, where the original image includes a plurality of image blocks; filtering, for each image block, the image block according to a positional relationship between the image block and the target region to obtain a filtered image block; determining a filtered image according to the filtered image block; and encoding the filtered image according to the target region.

Abstract: A photographing lens system, a photographing device and an electronic apparatus are provided. The photographing lens system includes a first lens group and a second lens group in sequence from an object side to an image side. The first lens group includes N lenses, and N is an integer greater than 2. In a direction from the object side to the image side, lens one in the first lens group is a first lens, and lens N in the first lens group is a second lens. The first lens is a lens with a positive focal power, and the second lens is a lens with a focal power. The second lens group includes at least one lens with a focal power. An air gap between the first lens group and the second lens group is changed in the process of focusing between an infinite distance and a closer distance.

Abstract: A screen display method is provided to control each display to display corresponding display data when at least two displays exist. The method includes: receiving a multi-screen display instruction, where the multi-screen display instruction instructs the at least two displays to separately display corresponding pictures; obtaining a picture to be displayed on a first display; converting the first picture into sent-for-display data to be sent to the first display; sending the sent-for-display data of the first display to the first display, to enable the first display to display the first picture; obtaining a picture to be displayed on a second display; converting the second picture into sent-for-display data to be sent to the second display; and sending the sent-for-display data of the second display to the second display, to enable the second display to display the second picture.

Abstract: An electronic device projection method is provided. The projection method is applied to a first electronic device, and the first electronic device is communicatively connected to a second electronic device. The projection method includes: obtaining a screen resolution of the first electronic device; obtaining a screen resolution of the second electronic device, where a screen resolution ratio of the second electronic device is not equal to a screen resolution ratio of the first electronic device; adjusting the screen resolution of the first electronic device, to enable the screen resolution ratio of the first electronic device to be equal to the screen resolution ratio of the second electronic device; and collecting screen data of the first electronic device, and sending the screen data to the second electronic device, to display screen content of the first electronic device on the second electronic device.

Abstract: Present embodiments provide for optical imaging lenses. An optical imaging lens may include at least seven lens elements positioned sequentially from an object side to an image side. Through arrangement of the convex or concave surfaces of the lens elements, the length of the optical imaging lens may be shortened while providing better optical characteristics and imaging quality.

Abstract: A loudspeaker includes a main shell body, as well as an elastic body, an inner support body and a sound generating unit which are connected in sequence from an exterior of the main shell body inwards. The sound generating unit includes a yoke suspended in an inner cavity of the main shell body, the inner support body includes a support rod body, a first connection portion is formed on a side of the support rod body facing the yoke and is connected to the yoke, a second connection portion is formed on another side of the inner support body facing the elastic body and is connected to the elastic body.

Abstract: Provided is a loudspeaker. The loudspeaker includes a shell, a vibration structure, a magnetic circuit structure and a voice coil. The shell includes a main shell, an inner support body and an elastic member. The inner support body is connected to the main shell body through the elastic member, multiple inner support bodies are provided, and the multiple inner support bodies are disposed in a surrounding manner to define an inner support cavity that penetrates in a first direction. The vibration structure is connected to the main shell. The magnetic circuit structure is located in the inner support cavity and is sandwiched between the multiple the inner support bodies. The voice coil includes a main voice coil and an auxiliary voice coil.

Abstract: A screen display method is provided to control each display to display corresponding display data when at least two displays exist. The method includes: receiving a multi-screen display instruction, where the multi-screen display instruction instructs the at least two displays to separately display corresponding pictures; obtaining a picture to be displayed on a first display; converting the first picture into sent-for-display data to be sent to the first display; sending the sent-for-display data of the first display to the first display, to enable the first display to display the first picture; obtaining a picture to be displayed on a second display; converting the second picture into sent-for-display data to be sent to the second display; and sending the sent-for-display data of the second display to the second display, to enable the second display to display the second picture.

Abstract: A camera module and an electronic device are disclosed. The camera module is configured to be connected with a display device, and the display device is provided with a main board. The camera module includes: a mounting base configured to be fixedly connected with the display device; and a functional portion configured to be detachably connected with the mounting base. The functional portion includes a casing, a camera and a first adapter plate which are mounted in the casing. The first adapter plate and the camera are connected. The first adapter plate is configured to be connected to the main board in the display device when the functional portion is mounted on the mounting base.