Abstract: A virtual operating method includes displaying a virtual touch interface. The virtual touch interface is associated with a position of a target plane in a physical space in which an electronic device is located; recognizing hand gesture information of a user; and performing a target operation in a case that position information, of a first region of the virtual touch interface, in the physical space and the hand gesture information meet a preset condition.

Abstract: Provided are a method and an apparatus for implementing batch extraction of human anatomical feature parameters. The method includes: obtaining a to-be-measured sample; generating an average model; calculating a point correspondence of a spatial location formed by the average model and each to-be-measured sample; measuring each to-be-measured sample on the average model; and outputting feature parameter data of each to-be-measured sample in batch. Calculation time is reduced by combining feature point extraction with affine transformation, and corresponding points are calculated through a non-rigid registration method to achieve batch and quick measurement.

Abstract: A self-locking tuning assembly includes a tuning screw and a cover plate. The tuning screw includes a head portion and a rod portion. The head portion is provided with a first threaded portion and a second threaded portion. The cover plate defines an opening adapted to the tuning screw. The opening includes a first hole portion and a second hole portion that are communicated. The head portion is at least partially located in the first hole portion. The rod portion is at least partially located in the second hole portion. A hole diameter of the second hole portion is smaller than a hole diameter of the first hole portion. The self-locking tuning assembly improves its self-locking force and installation consistency while maintaining the structural strength thereof.

Abstract: A device for multi-energy field induced atomic-scale CNC machining in an environmental atmosphere comprises an electromagnetic shielding chamber and a control mechanism, wherein an environmental chamber is arranged in the electromagnetic shielding chamber, a workpiece platform is arranged at the bottom of the environmental chamber, and a nanotool driven by a nanotool actuator is arranged at the top of the environmental chamber, and a gas inlet and a gas outlet which are connected to the environmental chamber are formed in the electromagnetic shielding chamber; and the control mechanism is used for controlling the workpiece platform and the nanotool actuator and applying energy fields including a force field, a temperature field, an electric field, an optical field and a magnetic field. The device has the advantages of atomic precision, high efficiency, low cost and good universality.

Abstract: A photoelectric fluid field cluster catalytic method for atomic-scale deterministic processing, comprises the following steps: selecting nanoparticles with photocatalytic activity as a photocatalytic medium, and using a photoreduction method to realize the precipitation of metal nanoparticles on a surface of the photocatalytic medium, thus creating photoelectrocatalytic clusters; illuminating a coupling area between a surface to be processed of a workpiece, the photoelectrocatalytic clusters and a flexible tool with a catalytic light source, and simultaneously applying a bias voltage to a conductive tray of the workpiece; and applying a normal load to a flexible tool head and setting a rotation speed to generate a hydrodynamic pressure to drive a polishing solution to flow, thus enabling controllable removal with atomic-level precision.

Abstract: Provided are a T-shaped reamed pile, a composite foundation, and a construction method for the composite foundation, relating to the technical field of civil engineering. The composite foundation is composed of a T-shaped reamed pile, soil between piles, and a cushion layer. The T-shaped reamed pile is composed of a core pile, a reamed body surrounding the outside of the core pile. A depth of the core pile is not lower than that of the reamed body, the reamed body includes an upper reamed body, and a lower reamed body, and a diameter of the upper reamed body is larger than that of the lower reamed body. The core pile is a precast pile, the reamed body is a cast-in-place reamed body, and the cushion layer is a sand-gravel cushion layer, or a reinforced cement-soil cushion layer.

Abstract: Provided are a method and apparatus for evaluating anatomical adaptation of an implantable orthopedic medical device. The method includes: obtaining an anatomical adaptation region of a to-be-evaluated bone with the implantable orthopedic medical device; determining a baseline of the anatomical adaptation region and a baseline of the implantable orthopedic medical device for position registration, and conducting the position registration for the anatomical adaptation region and the implantable orthopedic medical device based on the baselines; and evaluating adhesion of the to-be-evaluated bone to the implantable orthopedic medical device by calculating a distance from each point on an inner curved surface of the implantable orthopedic medical device to the anatomical adaptation region.

Abstract: The present disclosure provides an inversion method for determining a pollution source list based on artificial intelligence and big data, an inversion system for determining the pollution source list based on artificial intelligence and big data, and applications thereof, which provides basic data support for government sectors to formulate relevant environmental protection measures. The specific technical solution employed in the present disclosure is as follows: finding out an emission source that makes the highest contribution to the pollutant concentration of any cell with an advanced 3D CNN artificial intelligence algorithm based on artificial intelligence and big data, establishing a model of the relationship between pollutant concentration and emission, and finding out the relationship between pollutant concentration and emission with machine learning technology, i.e., estimating an emission from a given pollutant concentration, and estimating a pollutant concentration from a given emission.

Abstract: The present disclosure provides a data synchronization method and a server, the method including: receiving a data synchronization request submitted by a client, determining whether a current version identification of a to-be-changed asset in the data synchronization request is a latest version identification; if yes, changing the to-be-changed asset according to an asset change information list in the data synchronization request to generate a changed target asset; generating a target version identification according to the current version identification and the changed target asset; sending status update prompt information to the client according to the target version identification to prompt the client to update the asset change information list; where the current version identification is a target version identification generated when data synchronization is performed on the to-be-changed asset last time.

Abstract: Provided by the present disclosure is an ultrasonic phased array-based in-situ imaging method for melt flow in injection molding. The ultrasonic phased array is used for the detection of an injection molding process for the first time, and an effective dynamic monitoring imaging method for a melt front position is developed. A melt flow process in a mold cavity is dynamically monitored by collecting an FMC (Full matrix capture) dataset online. A mapping relationship between an incident angle and a target pixel point is established to rapidly determine time delay of each point in a measurement target region, and a melt bottom image is acquired using TFM (Total focusing method) imaging conditions, from which the melt front can be localized. The provided method is high in measurement accuracy, short in imaging time, and capable of effectively improving imaging efficiency of online measurement.

Abstract: The present application provides a main catalyst for preparing poly(4-methyl-1-pentene) and a use of the main catalyst. The main catalyst for preparing poly(4-methyl-1-pentene) of the present application has a structure represented by Formula I, in which R1 is selected from hydrogen or phenyl, and when R1 is selected from phenyl, R1 is fused with a naphthalene ring in the Formula I to form an anthracene ring; and R2 is selected from methyl or isopropyl. When the main catalyst of the present application is used in a catalytic system to catalyze homopolymerization of 4-methyl-1-pentene, the catalyst exhibits high catalytic activity, and the prepared poly(4-methyl-1-pentene) has high molecular weight, narrow molecular weight distribution and high isotacticity, and thus has broad market application prospects.

Abstract: Described herein are a metaverse 3D display system and method, and related devices for displaying a real 3D effect. The metaverse 3D display system comprises a 3D display screen, the 3D display screen comprising a liquid crystal grating and a processor, a liquid crystal display module and a backlight module laminated sequentially. The liquid crystal grating is formed by grating units arranged in an array, the grating units correspond to pixel units of the liquid crystal display module one-to-one, and a direction of each grating unit is perpendicular to long sides of sub-pixel units of the pixel units or is tilted relative to the long sides of the sub-pixel units for less than 45 degrees. The processor is for adjusting, according to depth values of pixels of a 3D picture to be displayed, voltages applied to the grating units and displaying the 3D image on the liquid crystal display module.

Abstract: An application interface layout method includes that a developer sets a layout container having an adaptive layout capability in a layout file of an application, where the adaptive layout capability includes at least one of an extension capability, a proportion capability, an equalization capability, a wrapping capability, a hiding capability, a stretching capability, or a scaling capability. In this way, when running the application, an electronic device arranges, based on a screen parameter of the electronic device and the adaptive layout capability of the layout container in the layout file, a size and a location of a child view in the layout container on a display interface.

Abstract: The present disclosure belongs to technical field of OLEDs, and provides a compound suitable as a hole transport material and an electron blocking material of OLEDs. The compound has a general structure according to [Chemical Formula 1], in which Ar1 and Ar2 are each independently selected from a hydrogen atom, a substituted or unsubstituted C5-C40 aryl, or a substituted or unsubstituted C5-C40 heteroaryl; m and n are each an integer independently selected from 0, 1, or 2; X is selected from O, S, or —NR—; R is selected from hydrogen, or a substituted or unsubstituted C5-C40 aryl; Ar3 has a structure according to [Chemical Formula 2], in which R1-R8 are each independently selected from a hydrogen atom, or a substituted or unsubstituted C5-C40 aryl; Y is selected from O, S, or —NR?—; and R? is selected from a hydrogen atom, or a substituted or unsubstituted C5-C40 aryl.

Abstract: In a method for displaying relationship-based relationship indicators in a gaming interface, a team interface including a plurality of player positions is displayed. Player avatars at the plurality of player positions are displayed. Each player avatar corresponds to a respective team member of a plurality of team members. When a relationship is detected between at least two team members of the plurality of team members, relationship indicators at the plurality of player positions corresponding to the at least two team members are displayed. The relationship indicators indicate the relationship detected between the at least two team members. Apparatus and non-transitory computer-readable storage medium counterpart embodiments are also contemplated.

Abstract: A free standing film is provide, including: 20 to 100 wt %, based on weight of the free standing film, of an irreversibly crosslinked cellulose ether containing 0.1 to 0.6 wt %, based on weight of the crosslinked cellulose ether, of polyether groups. Unit dose packages including the free standing film are also provided.

Abstract: A wiring substrate, an electronic element and an electronic apparatus is provided according to the disclosure, the wiring substrate includes: a base substrate; connection lines located on the substrate, wherein at least two connection lines are configured to transmit different signals; a plurality of pads, wherein any two pads are distributed at intervals, and the pads include first pads; a first pad group composed of at least three first pads; wherein the connection lines include a first type of connection line, which includes a plurality of branch portions, different branch portions are connected with different first pads, and any two branch portions are arranged at intervals.

Abstract: An optically addressable pixelated spatial light modulator, comprising: a laser light source, a structured light field encoding projection module, and a superpixel metasurface device. The structured light field encoding projection module comprises a structured light field encoding module, which encodes a laser beam emitted by a laser light source into a structured light beam according to the modulation amount distribution of a target light field. The superpixel metasurface device comprises a plurality of unit cell structures, with each unit cell structure serving as a light field modulation pixel point. Each unit cell structure comprises a plurality of sub-wavelength micro-nano structures, and the unit cell structure generates a light field modulation amount under the action of the structured light beam for the light field modulation.

Abstract: The present invention provides a method for activating expression of a Glu-1Ax-null subunit in wheat by gene editing, the method comprising: designing a specific sgRNA for targeting a premature termination codon in a Glu-1Ax-null gene of wheat; cloning the specific sgRNA into a pair of BsaI sites of a vector pEtRNA to construct a CRISPR/SpCas9 editing vector for the Glu-1Ax-null gene; and transforming the CRISPR/SpCas9 editing vector for the Glu-1Ax-null gene into wheat cell via Agrobacterium-mediated transformation and selecting a homozygous line in which the premature termination codon is disrupted. The inventive specific sgRNA is designed near the 1216-1218-site premature termination codon of the Glu-1Ax-null gene, the CRISPR/SpCas9 editing vector is transformed into wheat via Agrobacterium-mediated transformation, and the premature termination codon can be specially disrupted, thereby activating expression of silenced high-molecular-weight glutenin Glu-1Ax-null subunit in wheat.

Abstract: The present disclosure discloses a method and apparatus for acquiring a pre-trained model, and relates to natural language processing and deep learning technologies in the field of artificial intelligence technologies. An implementation includes: acquiring training data, the training data including a single-modal language material and a multi-modal language material, and the multi-modal language material including a language material pair formed by a first-modal language material and a second-modal language material; and performing a multi-task training operation on a pre-trained model using the training data, the multi-task including at least one cross-modal contrastive learning task and at least one single-modal learning task; the pre-trained language model obtained in the present disclosure may learn from different forms of language materials, i.e.