Abstract: A head-mounted display apparatus includes a display, a strap and a head-turning assisting device; two ends of the strap are fixedly connected to the display; the head-turning assisting device is positioned in the strap; when the head-mounted display apparatus is worn on the head of the human body, the display is positioned in the position of the eyes of the human body, and the strap is wrapped around the head of the human body; the display includes a master controller and a display module, the master controller is electrically connected to both the head-turning assisting device and the display module. The master controller is configured to acquire a display image from the display module, and to control the head-turning assisting device to assist the head of the human body to turn according to the display image.

Abstract: Disclosed is an identity authentication system for distributed Internet of vehicles (IoV), including a core cloud, a plurality of edge clouds, a plurality of road side units (RSUs) and a plurality of terminal vehicles. The core cloud stores registration information about the terminal vehicles and the RSUs; the edge cloud performs identity verification on the RSUs according to the registration information, and after the verification is passed, the edge cloud generates a temporary shared session key and sends the same to the RSU and the terminal vehicle, and the RSU and the terminal vehicle establish encrypted communication according to the temporary shared session key, to provide a network communication service for the terminal vehicle. In the present disclosure, a vehicle identity authentication efficiency in a scene with a large traffic density can be effectively improved.

Abstract: The present invention relates to a specific TNFR2 binding molecule, an epitope peptide of TNFR2 that is bound to the TNFR2 binding molecule, and a composition containing same. The present invention also relates to a nucleic acid encoding the TNFR2 binding molecule, a host cell containing the nucleic acid, and a method for preparing the TNFR2 binding molecule. Furthermore, the present invention relates to the therapeutic and diagnostic use of the TNFR2 binding molecules. Particularly, the present invention relates to the combined treatment of the TNFR2 binding molecules with other therapies, such as therapeutic methods or therapeutic agents.

Abstract: The present disclosure provides a method for allocating memory, computer device and storage medium. The method can achieve allocation of hard disk memory to a target application through use of free memory information of the hard disk memory and size information written into a first storage space. In addition, the free memory information of the hard disk memory is stored in system memory, and during allocation for the hard disk memory, the free memory information of the hard disk memory is directly read from the system memory.

Abstract: The present disclosure provides a data processing system and method, a computer device and a storage medium. The method includes: reading first data from a first memory space of a target memory space and splitting the first data to obtain multiple segments of second data; determining check information corresponding to each segment of the second data, and storing the check information of each segment of the second data as third data in a second memory space of the target memory space; generating a data assembly instruction based on a data assembly order for the second data and the third data; and sending the data assembly instruction to a storage acceleration module, enabling the storage acceleration module to write the fourth data into the hard disk based on read data and the target data structure.

Abstract: A bispecific antibody targeting both CD40 and CLDN18.2, a pharmaceutical composition comprising same, an application thereof for treating related diseases, and a treatment method are provided. The bispecific antibody targeting both CD40 and CLDN18.2 comprises (i) an anti-CD40 antibody or a fragment thereof and (ii) an anti-CLDN18.2 antibody or a fragment thereof.

Abstract: The present utility model discloses a LiDAR heat dissipation structure and a LiDAR. The LiDAR comprises a mainboard, a chip, and a housing. The chip is provided on the mainboard. The heat dissipation structure comprises: a cold plate, the inner surface of the cold plate provided with a temperature equalization structure layer of multi-layer structure attached thereon and the outer surface of the cold plate facing away from the chip provided with a plurality of heat dissipation fins or heat dissipation slots formed thereon; and a heat pipe, fixedly embedded in the cold plate through a thermally conductive structural adhesive, wherein the cold plate couples with the housing to form a sealed cavity in which the mainboard and the chip are provided.

Abstract: A monolithic integrated multi-segment cascade optical frequency comb and its chip are disclosed, which belongs to the technical field of sensing detection, quantum information and optical communication technology. The optical frequency comb includes a first semiconductor passive mode-locking laser, a semiconductor optical amplifier, and a second semiconductor passive mode-locking laser sequentially integrated and connected; the first semiconductor passive mode-locking laser includes a first reverse bias absorption area integrated with an optogalvanic distribution grating and a first gain cavity length extender (coupled multi-ring or multi-disk); the second semiconductor passive mode-locking laser includes a second reverse bias absorption area and a second gain cavity length extender (coupled multi-ring or multi-disk); each structure is connected to each other by electrical isolation grooves.

Abstract: A coating that is able to shed accumulated material (such as ice) that includes a crosslinkable copolymer with hydrogen bonding moieties and liquid-like side chains, and an oil (or other non-aqueous liquid) that is compatible with the side-chains and that resides in the crosslinked coating and on the surface of the coating together with the side-chains that are on the external surface. Methods may use the coating for de-icing, shedding of marine organisms, and smudge-repellency.

Abstract: Polyurethane-based and epoxy-based coating compositions are described that provide coatings and adhesives that are clear, amphiphobic and durable. Both water and hexadecane readily slide off these surfaces without leaving a residue. Coatings with thicknesses ranging from about 10 nm to about 10 ?m exhibited excellent transmittance properties. Such films exhibited durability against abrasion, ink-resistance, anti-graffiti, anti-fingerprint, and strong adhesion to glass surfaces. The coatings are applicable to electronic devices, fabrics, glass, etc. to prepare optically clear, stain-resistant, and smudge-resistant surfaces.

Abstract: A gellan gum product having double setting temperatures, its preparation method and use thereof are provided.

Abstract: Polyurethane-based and epoxy-based coating compositions are described that provide coatings and adhesives that are clear, amphiphobic and durable. Both water and hexadecane readily slide off these surfaces without leaving a residue. Coatings with thicknesses ranging from about 10 nm to about 10 ?m exhibited excellent transmittance properties. Such films exhibited durability against abrasion, ink-resistance, anti-graffiti, anti-fingerprint, and strong adhesion to glass surfaces. The coatings are applicable to electronic devices, fabrics, glass, etc. to prepare optically clear, stain-resistant, and smudge-resistant surfaces.

Abstract: A UV-curable durable coating composition is described that forms a transparent, antismudge coating. The composition includes a photoinitiator, a di-, tri-, or multi-functional monomer that bears double bonds, epoxide groups, or a combination, and a graft copolymer that bears pendant double bonds, epoxide groups or a combination and bears PDMS, polyisobutyl or perfluorinated polyether side chains.

Abstract: Polyurethane-based and epoxy-based coating compositions are described that provide coatings and adhesives that are clear, amphiphobic and durable. Both water and hexadecane readily slide off these surfaces without leaving a residue. Coatings with thicknesses ranging from about 10 nm to about 10 ?m exhibited excellent transmittance properties. Such films exhibited durability against abrasion, ink-resistance, anti-graffiti, anti-fingerprint, and strong adhesion to glass surfaces. The coatings are applicable to electronic devices, fabrics, glass, etc. to prepare optically clear, stain-resistant, and smudge-resistant surfaces.

Abstract: A composite material is described that is an effective filter to separate oil from an oil and water emulsion or other mixtures of oil and water. The composite material has a permeable substrate, such as fabric, that is coated with a selectively-permeable coating. The composite material allows only oil to pass through, while water is prevented from passing through. The composite material has two main components, a hydrophobic component and an emulsion-destabilizing component.

Abstract: The present invention discloses an expandable liner hanger system comprising a central pipe and an expandable pipe, with an expansion cone provided therebetween the central pipe and expandable pipe in a way that the expansion cone is movable along the central pipe, so that the expandable pipe is expanded; wherein, the expansion cone comprises an expansion cone seat move along the central pipe, and an expansion cone sleeve fitted over the expansion cone seat, the connection between the expansion cone seat and the expansion cone sleeve is configured in a way that the expansion cone sleeve can move upward together with the expansion cone seat along the central pipe so that the expandable pipe is expanded, and the central pipe can drive the expansion cone seat to disengage from the expansion cone sleeve.

Abstract: The present invention discloses an expandable liner hanger system comprising a central pipe and an expandable pipe, with an expansion cone provided therebetween the central pipe and expandable pipe in a way that the expansion cone is movable along the central pipe, so that the expandable pipe is expanded; wherein, the expansion cone comprises an expansion cone seat move along the central pipe, and an expansion cone sleeve fitted over the expansion cone seat, the connection between the expansion cone seat and the expansion cone sleeve is configured in a way that the expansion cone sleeve can move upward together with the expansion cone seat along the central pipe so that the expandable pipe is expanded, and the central pipe can drive the expansion cone seat to disengage from the expansion cone sleeve.

Abstract: A method for preparing high transparent low acyl gellan gum from fermentation broth is provided, in which two-stage filtrations are carried out on deacylated gellan gum fermentation broth by using diatomite and/or perlite with different particle sizes as filter aid and filter media. The obtained product has high gel transparency and low content of metal ions. The method also has the advantages of simple pretreatment of fermentation broth, high impurities removal efficiency, simple operation, and easy to be industrialized.

Abstract: A gellan gum product having double setting temperatures, its preparation method and use thereof are provided.

Abstract: Polyurethane-based and epoxy-based coating compositions are described that provide coatings and adhesives that are clear, amphiphobic and durable. Both water and hexadecane readily slide off these surfaces without leaving a residue. Coatings with thicknesses ranging from about 10 nm to about 10 m exhibited excellent transmittance properties. Such films exhibited durability against abrasion, ink-resistance, anti-graffiti, anti-fingerprint, and strong adhesion to glass surfaces. The coatings are applicable to electronic devices, fabrics, glass, etc. to prepare optically clear, stain-resistant, and smudge-resistant surfaces.