Abstract: An additive manufacturing (AM) method for cemented carbides includes the specific steps: Preparing a uniformly dispersed cemented carbide powder by ball milling; preparing a printing feedstock by internal mixing; preparing a printed green body by material extrusion using the feedstock; and subjecting the printed green body to debinding-vacuum pressure sintering to obtain a cemented carbide product. A cemented carbide product prepared by combining green body printing with two-step solvent debinding, thermal debinding and vacuum pressure sintering has free of pores, cracks and harmful phases such as decarburization, carbon defects and brittle phases, simple phase composition, high relative density and excellent comprehensive mechanical properties.

Abstract: This application provides a data transmission method, and an apparatus. The method includes: receiving a first downlink reference signal, and obtaining a first key based on the first downlink reference signal; sending a first uplink reference signal; and receiving a first message, determining a third key based on the first key and check information of a second key, and performing, based on the third key, security protection on data transmitted between a first communication apparatus and a second communication apparatus, where the second key is obtained by the second communication apparatus based on the received first uplink reference signal. According to the method, security protection can be performed on data transmitted in a random access procedure.

Abstract: An epoxy compound and a use thereof. Specifically disclosed are an epoxy compound as shown in formula I, a pharmaceutically acceptable salt or stereoisomer and use thereof. The compound has high inhibitory activity on ?5i and ?1i, but has a low inhibition level on ?5c and ?1c. The compound has relatively high selectivity and can be used for treating autoimmune diseases.

Abstract: A composition includes tranexamic acid or a pharmaceutically acceptable salt thereof and a tretinoin-alcoholamine complex or a tretinoin-fatty amine complex. The tretinoin-alcoholamine complex is composed of tretinoin and an alcohol amine compound, and the tretinoin-fatty amine complex is composed of tretinoin and a fatty amine compound.

Abstract: An access method includes sending a first random access request to a network device. The access method also includes receiving a random access response message from the network device. The random access response message includes first acknowledgment information and second acknowledgment information. The first acknowledgment information indicates that random access of a first terminal device corresponding to the first random access request succeeds.

Abstract: An organic light-emitting device and a display apparatus, which belong to the technical field of display. The organic light-emitting device comprises a first electrode layer, a light-emitting functional layer, a second electrode layer and a capping layer, which are stacked in sequence, wherein the capping layer comprises a first capping layer material and a second capping layer material; at the same wavelength, the refractive index of the first capping layer material is greater than that of the second capping layer material; and the maximum absorption peak of the first capping layer material is located between a 360 nm waveband and a 400 nm waveband.

Abstract: A computing device comprising a controller is disclosed herein. The controller is to access print data of a virtual build volume including a 3D object to be generated by a 3D printer; modify the print data to include a 3D structure at a location within the build volume to encapsulate an amount of build material; receive powder degradation data corresponding to the powder degradation of the encapsulated amount of build material; and calibrate an additive manufacturing parameter based on the powder degradation data.

Abstract: A method includes obtaining a first session setup request from a first core network device. The first session setup request is usable to request to set up a first session corresponding to a first multicast broadcast service. The first session setup request includes a first identifier corresponding to the first multicast broadcast service. The method further includes determining, based on the first identifier, that a multicast broadcast service corresponding to the first session is the same as a multicast broadcast service corresponding to a second session, and using an air interface resource corresponding to the second session as an air interface resource corresponding to the first session. The second session is a session set up of a second core network device.

Abstract: Disclosed are methods of anodizing a metal component. In the methods an anodization bath includes an organic acid.

Abstract: A communication method, apparatus, and system are provided. The method may be applied to a communication system including a plurality of network nodes. In the method, a first network node may obtain an uplink user plane address of a second network node through a message, where the first network node may be understood as a donor network node; and then send the uplink user plane address of the second network node to a child node of the second network node, that is, a third network node. In this way, the third network node may send uplink user plane data, for example, uplink feedback data, to the second network node based on the uplink user plane address of the second network node, where a receiving status of downlink data may be fed back through the uplink feedback data.

Abstract: A system running method and a terminal apparatus are provided. The terminal apparatus includes N partitions, where N is a positive integer, and different partitions are storage areas used to store data of different functions in the terminal apparatus. The method includes: obtaining a first partition table, where the first partition table includes information about at least one of the N partitions, and the first partition table is updatable; reading, based on a latest first partition table, data stored in the at least one partition; and running an operating system of the electronic device based on the data.

Abstract: The present application relates to a method for processing security data, an electronic device, and a non-transitory computer-readable storage medium. The method includes: obtaining a set of security videos collected by a plurality of security cameras; determining a subset of security videos having a preset association relationship from the set of security videos; determining whether a display instruction for the subset of security videos is received by a display terminal; and controlling the display terminal to associatively display each security video in the subset of security videos, in a case where the display instruction is received by the display terminal. The preset association relationship indicates that events represented by security videos in the subset of security videos have the preset association relationship.

Abstract: Provided is a human interleukin-2 (IL-2) variant having one or more amino acid mutations or a derivative thereof. The IL-2 variant or derivative thereof has increased stability compared to wild-type IL-2 and improved properties as an immunotherapeutic agent. Also disclosed are an immunoconjugate and a pharmaceutical composition which comprise the human IL-2 variant or derivative thereof, a polynucleotide molecule encoding same, a vector, a host cell and a preparation method therefor, as well as the pharmaceutical uses of the IL-2 variant or derivative thereof and the immunoconjugate or pharmaceutical composition comprising the L-2 variant or derivative thereof.

Abstract: The present disclosure provides a method and a device for preparing a modified poly (m-phenylene isophthalamide) (PMIA) fiber by continuous polymerization-dry-wet spinning. The method includes the following steps: (1) preparing a mixed solution of m-phenylenediamine (MPD) and a copolymerized diamine monomer in N,N-dimethylacetamide (DMAC) serving as a solvent using a cosolvent; (2) mixing isophthaloyl chloride (IPC) with the mixed solution of the MPD and the copolymerized diamine monomer in the DMAC, and conducting pre-polycondensation and polycondensation in sequence to obtain a modified PMIA resin solution; and (3) subjecting the modified PMIA resin solution to additive addition, filtration, defoaming, and dry-wet spinning to obtain the modified PMIA fiber.

Abstract: Disclosed is a pant type absorbent article comprising a core chassis and a leg gasketing system comprising a pair of wearer facing cuff regions comprising an inner cuff sealing and inner cuff free edge positioned inward from the inner cuff sealing, and an inner cuff elastic element is disposed adjacent the inner cuff free edge; a pair of garment facing cuff regions, and a pair of outer cuff elastic elements disposed on wearer facing cuff regions or garment facing cuff regions, each outer cuff elastic element disposed so as to superpose the core side regions and so as to superpose the inner cuff sealings or outward thereof; and wherein the front belt and the absorbent body is joined in a manner such that the front longitudinal end of the outer cuff elastic element in active elasticity superposes the front belt and left unjoined to the front belt.

Abstract: The present disclosure relates to an azaspirocyclic group-containing organic compound represented by Formula O, electron transport material and organic electroluminescent device. This type of compound is used as an electron transport material in organic electroluminescent devices and exhibits good electroluminescent properties.

Abstract: A computer vision processing system is provided. The system includes one or more target devices and a processing unit. The target devices are configured to run the executable code of an image processing pipeline. The processing unit is configured to receive a series of application programming interface (API) calls and create a raw graph accordingly, redraw the raw graph into a compilable graph by sequentially processing each node, and compile the compilable graph into the executable code of the image processing pipeline. The series of API calls includes at least one tiling API call to set at least one of the nodes and at least one of the data objects as tileable. Each tileable node corresponds to multiple parallel processing nodes in multiple branches in the compilable graph, and each tileable data object corresponds to multiple tile data objects in the branches in the compilable graph.

Abstract: A communication method and apparatus are provided. The method includes: A first node determines a sending time point of a second PDCP PDU based on first sending status information from a second node, where the first sending status information is associated with a first PDCP PDU, so that the first node can adjust the sending time point of the second PDCP PDU based on a sending situation of the first PDCP PDU, to avoid too many packet losses caused when a MAC PDU of the second PDCP PDU is not completely sent in a timely manner due to splitting and concatenation, so as to improve reliability of a synchronous data transmission mechanism in an NR system, and improve resource utilization.

Abstract: A polymer having a dispersing function, a preparation method therefor, and a use thereof as a cement dispersant are provided. The polymer has a structural unit a, a structural unit b, a structural unit c and a structural unit d. The structural unit a is provided by an unsaturated polyether and/or polyester, the structural unit b is provided by an unsaturated carboxylic acid or an anhydride or salt thereof, the structural unit c is provided by a silane and/or siloxane containing a polymerizable group, and the structural unit d is provided by an unsaturated sulfonic acid or a salt thereof. The molar ratio of the structural unit a to the structural unit d is 1:(5-15) and the polymer has a weight average molecular weight of 20,000 to 120,000. The polymer can be used as an oil well cement dispersant.