Abstract: A secure communication method includes receiving, by a first network element, first information and a first signature from a network management network element. The first signature is generated based on a private key of the network management network element and the first information, and the first information is used to describe the first network element. The method also includes sending, by the first network element, the first information and the first signature to a certificate issuing network element. The first information is used to obtain a first certificate, and the first certificate is used to prove an identity of the first network element. The method further includes receiving, by the first network element, the first certificate from the certificate issuing network element.

Abstract: A preparation method comprises: preparing a green body using green body powder; applying an overglaze on the surface of the green body; ink-jet printing a pattern on the surface of green body; applying a protective glaze on the surface of the green body; applying an anti-counterfeiting material on the surface of the green body; firing the green body, titanite and high-refractive-index oxide being wetted and wrapped by a molten liquid produced by melting a low-temperature glaze powder in a firing environment, and sunken into the protective glaze without generating opacification; and then polishing to obtain a ceramic plate having an anti-counterfeiting visual effect. The anti-counterfeiting visual effect is a visual effect in which a high-intensity refraction effect is achieved when the sight line direction is consistent with the path of reflected light, but no refraction effect is achieved when the sight line direction deviates from the path.

Abstract: The present application relates to a pyrimidopyran compound, and specifically discloses a compound as represented by formula (III), and a pharmaceutically acceptable salt thereof.

Abstract: A method includes: receiving M scrambled models from M online service nodes; receiving descrambling secrets from T online service nodes, where a descrambling secret of any online service node is determined based on M first shared keys of the online service node corresponding to the M online service nodes and N?M second shared keys of the online service node corresponding to N?M offline service nodes; and determining an aggregated model, where disturbance vectors of the M scrambled models are determined based on the descrambling secrets from the at least T online service nodes, at least N?T+1 first subsecrets determined by each service node based on N first shared keys and a first disturbance item corresponding to the service node, and at least N?T+1 second subsecrets determined by the service node based on N second shared keys and a second disturbance item corresponding to the service node.

Abstract: A zero calibration method includes: adding, based on a first forward kinematics model of a robotic arm of a robot, zero deviations of each joint to form a second forward kinematics model, and simultaneously solving the second forward kinematics model and the first forward kinematics model to obtain an end deviation function; sending target end pose instructions to the robotic arm in a current zero point situation, and acquiring a spatial deviation of an actual position of an end; inputting position information of each joint angle and the spatial deviation, after each stop of motion of the end, into the end deviation function, and performing phase shifting to obtain an objective optimization function; and solving the objective optimization function to obtain a zero deviation value.

Abstract: The present disclosure describes GLP-1R modulating compounds that are useful for treating GLP-1R-mediated diseases or conditions,

Abstract: A spatial light modulator and a holographic 3D display device are provided. The spatial light modulator includes a first liquid crystal panel configured to adjust a phase of first light; a second liquid crystal panel configured to adjust an amplitude of the first light, located on one side of the first liquid crystal panel; a quarter-wave plate located on a side of the second liquid crystal panel away from the first liquid crystal panel; and a polarizer located on a side of the quarter-wave plate away from the first liquid crystal panel. A difference between a refractive index of second liquid crystal molecules along a direction of the liquid crystal optical axis and a refractive index perpendicular to the direction of the liquid crystal optical axis is ?n, a thickness of the second liquid crystal layer is d, a wavelength of the first light is ?1, and 0.5?1??n×d?0.75?1.

Abstract: This application discloses a cryopump, including a pump housing, a radiation shield in the pump housing, a first-stage cold storage component in the pump housing, a second-stage cold storage component in the holding space of the radiation shield, a connector connecting the first-stage cold storage component and the radiation shield, and a cryopanel assembly in the holding space and connected to the second-stage cold storage component.

Abstract: Provided are a recombinant adeno-associated virus (rAAV) genome and a single-polarity rAAV (spAAV) vector formed by packaging same. Specifically, provided is an spAAV genome before packaging, two ends of which are both linear open terminuses, wherein one end does not have an inverted terminal repeat (ITR) or a part thereof, and the other end has a truncated ITR (ITRT), and the ITRT does not form a T-shaped hairpin palindromic structure. The spAAV genome is a single-polarity single-stranded DNA. Also provided are an spAAV vector, a method for delivering an exogenous nucleic acid to a cell by using the vector, and a use of the vector in the preparation of a product for gene expression, gene therapy, gene editing or gene regulation.

Abstract: This application provides example key management methods and example communication apparatuses. In an example method, a terminal device obtains identification information of a first decryption network element in a local network. The terminal device obtains, based on the identification information and a mapping relationship, a first encryption key corresponding to the first decryption network element, where the mapping relationship indicates at least one decryption network element and an encryption key corresponding to each of the at least one decryption network element, and the at least one decryption network element includes the first decryption network element. The terminal device encrypts the user identity information by using the first encryption key, to obtain a hidden user identity. The terminal device sends a registration request to the local network through an access network device, where the registration request includes the hidden user identity.

Abstract: This application provides a communication method and a communication apparatus. The method includes: A policy control function network element receives, from an application function network element, information about a first time window and information about a first parameter, where the first time window is a time window that is of data transfer of a first service, and the first parameter includes parameters of the data transfer of the first service. The policy control function network element determines the policies of the first service and then sends the policies to the application function network element. The information about each policy includes information about N time windows which are determined based on the information about the first time window and the information about the first parameter, and the N time windows are used to transmit or receive data of the first service.

Abstract: Method and associated system for managing and/or authenticating an energy storage device. The method includes receiving a first portion of identification information stored in a data storage attached to the energy storage device (401); analyzing the first portion of the identification information at least partially based on a device identification of the device (403); updating a second portion of the identification information stored in the data storage attached to the energy storage device based on a result of analyzing the first portion of the identification information (405).

Abstract: This invention relates to CTLA-4 protein compositions and their use in the mitigation of autoimmune adverse events associated with cancer immunotherapy.

Abstract: Provided is a liquid crystal handwriting panel. The liquid crystal handwriting panel includes: a first substrate and a second substrate that are opposite to each other, and a liquid crystal layer between the first substrate and the second substrate; wherein the first substrate includes: a first base substrate, a touch electrode layer on a side of the first base substrate, and a first drive electrode layer on a side of the first base substrate; the second substrate includes: a second base substrate, a second drive electrode layer on a side of the second base substrate, and a shielding layer on a side of the second base substrate.

Abstract: A semiconductor package includes a substrate, a semiconductor device, and a ring structure. The semiconductor device disposed on the substrate. The ring structure disposed on the substrate and surrounds the semiconductor device. The ring structure includes a first portion and a second portion. The first portion bonded to the substrate. The second portion connects to the first portion. A cavity is between the second portion and the substrate.

Abstract: Provided are a sound gathering device for voiceprint monitoring and a preparation method. The sound gathering device is a cone structure and includes a front end portion (1) and a rear end portion (2), the front end portion (1) is trumpet-shaped, an inner wall surface of the front end portion (1) is present a pattern array of a microstructure (3), and the microstructure (3) presenting the pattern array is formed through laser etching. A sound wave frequency monitored by the sound gathering device is 50 Hz˜10 kHz, and a sound wave enters the sound gathering device from an entrance of the front end portion (1), is reflected through the pattern array of the microstructure (3) on the inner wall surface of the front end portion (1), and is transmitted from an exit of the rear end portion (2), and a sound pressure of the exit of the rear end portion (2) is 4 times˜8 times a sound pressure of the entrance of the front end portion (1).

Abstract: A method for the surface treatment of a corrosion-resistant nickel-based alloy and the resulting surface structure of the treated alloy is disclosed. The method includes immersing a nickel-based alloy in a first neutral or alkaline solution to remove surface contaminants, followed by immersing the cleaned alloy in a second neutral or alkaline solution to form functional groups on its surface. Subsequently, a low-temperature heat treatment is performed to form a passivation layer on the surface of the nickel-based alloy. The passivation layer has a surface roughness of less than 0.04 microns and a thickness ranging from 5 nanometers to 200 nanometers. The resulting corrosion-resistant nickel-based alloy comprises a substrate made of the nickel-based alloy and a passivation layer established on at least one surface of the substrate. The nickel content of the alloy is greater than 50%, and the alloy may also contain additional metallic components such as chromium (Cr) and manganese (Mn).

Abstract: A storage cluster may dynamically select a data transport mode for supporting a backup or export job. The storage cluster may receive a trigger indication to create, a backup of data of a source virtual machine. The storage cluster may select a data transport mode to use for reading the data from the source virtual machine to create the backup at the storage cluster. The selection may be from a set of data transport modes that includes a proxy virtual machine mode and a direct-to-host mode. The storage cluster may transmit, to a host for the source virtual machine, a request to activate the selected data transport mode, and receive the data from the source virtual machine via the selected data transport mode. The storage cluster may use the data to create the backup.

Abstract: Provided herein are devices and systems for depositing a material or manufacturing a product, such as a pharmaceutical dosage form, by additive manufacturing. Further provided are methods of using the devices and systems, as well as methods of manufacturing a product, such as a pharmaceutical dosage form, by additive manufacturing. In certain embodiments, the device includes a material supply system configured to melt a pressurized a material, a pressure sensor configured to detect a pressure of the material within the device, and a control switch comprising a sealing needle operable in an open position and closed position. The sealing needle extends through a feed channel containing the material and includes a taper end, wherein the tapered end of the sealing needle engages a tapered inner surface of a nozzle to inhibit flow of the material through the nozzle when the sealing needle is in the closed position.