Abstract: An object of the present invention is to provide an organic compound having excellent characteristics such as excellent hole injection and transport abilities, electron blocking ability, and high thin-film stability as material for an organic electroluminescence device having high efficiency and high durability, and also to provide an organic electroluminescence device using the compound and having high efficiency and high durability.

Abstract: The present disclosure provides a seat, a disassembling and assembling method therefor, and a backrest module. The seat includes a backrest skeleton, and a backrest module, being able to detachably connect to the backrest skeleton as a whole, to form a backrest part of the seat; and the backrest module includes a frame, and the frame includes a frame body and a frame connecting portion, and the frame body is located within an area limited by the backrest skeleton; and the frame connecting portion is able to connect with a skeleton connecting portion of the backrest skeleton, making the backrest module be able to detachably connect to the backrest skeleton; and the frame connecting portion includes a first portion and a second portion connected with the first portion.

Abstract: A method and device for verifying a display terminal, a storage medium, and an electronic device, relating to the technical field of security identification. The method includes acquiring a device code of the display terminal and a first current time node, and generating first timestamp data based on the first current time node; performing cyclic redundancy check (CRC) on the first timestamp data and the device code to obtain a first data check code, and encrypting the device code, the first timestamp data, and the first data check code to obtain first encrypted data; and sending the first encrypted data via a first terminal device to a server, enabling the server to decrypt the first encrypted data and to verify authenticity of the display terminal based on the device code, the first timestamp data, and the first data check code that are obtained by the decryption.

Abstract: An inspection system for building components of building structures includes a digital environment integration platform based on Common Data Environment and storing several inspection floor pages of a building structure, a server, and a mobile device. The inspection floor pages are created based on Building Information Modeling and respectively have several building component link points respectively linked to configuration data of a building component and an inspection form, which complies with ISO 19650 standards. An inspection method includes sending a floor selection command to the server through the mobile device; acquiring the corresponding inspection floor page from the digital environment integration platform and sending the corresponding inspection floor page to the mobile device by the server for displaying on a screen; displaying, by the mobile device, the configuration data and is linked to the inspection form when a user selects the building component link point displayed on the screen.

Abstract: A method, device, computing equipment, and storage medium for predicting the drift of the floating object are provided. A method for predicting drift velocity includes: obtaining environmental characteristic parameters at the location of the floating object to be predicted, wherein the environmental characteristic parameters include wave characteristic parameters; inputting the wave characteristic parameters into a deep learning model for wave-induced drift velocity to obtain the wave-induced drift velocity; wherein the deep learning model for wave-induced drift velocity is trained based on first sample drift data, wherein the first sample drift data includes observed drift velocity of sample floating objects, corresponding sample water surface flow characteristic parameters, sample wind characteristic parameters, and sample wave characteristic parameters.

Abstract: An aerosol generating apparatus and a heater therefor are provided. The aerosol generating apparatus includes: a chamber configured to receive an aerosol-generating product; and a heater at least partially extending into the chamber for insertion into the aerosol-generating product to heat the aerosol-generating product. The heater has a free front end located in the chamber and a tail end away from the free front end. The heater includes a housing element extending between the free front end and the tail end and at least partially defining an outer surface of the heater. The housing element is formed by winding a sheet including a metal or an alloy. In the present aerosol generating apparatus, the housing element of the heater formed by winding the sheet having the metal or the alloy is more convenient to manufacture than conventional ceramic or stainless steel housings formed by moulding or machining.

Abstract: Provided is a display panel including light-emitting unit package, which includes: a transparent substrate, a light shielding layer, a quantum dot layer and a light-emitting unit layer. The light shielding layer includes multiple first openings, multiple second openings, and multiple third openings. The quantum dot layer includes multiple first quantum dot units and multiple second quantum dot units. Each first quantum dot unit is correspondingly disposed in each first opening. Each second quantum dot unit is correspondingly disposed in each second opening. The light-emitting unit layer includes multiple first light-emitting units, multiple second light-emitting units, and multiple third light-emitting units with the same light-emitting color, each first light-emitting unit, each second light-emitting unit, and each third light-emitting unit are disposed corresponding to each first opening, each second opening, and each third opening, respectively.

Abstract: A non-oriented electrical steel sheet according to an embodiment of the present invention contains, by wt %: 3.1 to 3.8% of Si, 0.5 to 1.5% of Al, 0.3 to 1.5% of Mn, 0.01 to 0.15% of Cr, 0.003 to 0.08% of Sn, 0.003 to 0.06% of Sb, and a balance of Fe and inevitable impurities. The non-oriented electrical steel sheet according to an embodiment of the present invention includes a surface portion present from a surface of the steel sheet to 1/10 of a thickness of the steel sheet in a direction from the surface of the steel sheet toward an inside of the steel sheet, and a central portion, and when punching the non-oriented electrical steel sheet, a length of a plastically deformed portion may be 100 ?m or less. In this case, the plastically deformed portion refers to a length of a portion from a punched end portion where hardness of the surface portion exceeds 1.10 times that of the central portion.

Abstract: A semiconductor module has a stacked substrate, a semiconductor device mounted to the stacked substrate, a lead frame in contact with and electrically connecting the semiconductor device and a conductive plate on the stacked substrate, and an encapsulation resin that encapsulates encapsulated members, which include the semiconductor device, the lead frame, and the stacked substrate. The lead frame is configured by a Cu layer and an Al layer, the Cu layer being provided facing the semiconductor device and the Al layer being provided facing the encapsulation resin.

Abstract: Provided is an antifouling coating composition comprising a silicon atom-containing resin. The silicon atom-containing resin includes a constituent unit (A) derived from a monomer (a) having at least one kind of silicon atom-containing group selected from the group consisting of a group represented by a formula (I), a group represented by a formula (II), a group represented by a formula (III), and a group represented by a formula (IV); and a constituent unit (B) derived from a monomer (b) which is a polyfunctional (meth)acrylic acid ester having two or more (meth)acryloyl groups.

Abstract: The disclosure concerns a method for generating a response to a query from a user or an agent using a vector embedding memory storing vectors and generated chunks of natural language text, and a graph-based memory storing information in the form of nodes interconnected by links. The method retrieves matching vectors from the vector embedding memory based on a semantic proximity of the stored vectors in the vector embedding memory with vectors generated based on the chunks of natural language text of the obtained query, determines and activates nodes stored in the graph-based memory based on a correspondence with the matching vectors and connected nodes based on links between the activated nodes, generates a response to the query based on chunks of text determined based on the semantic proximity, and based on determined chunks of text that correspond to the activated nodes as additional background information.

Abstract: A connector and an electronic device are provided. The connector specifically includes an interface and a connecting cable. The interface includes a housing, a plastic body, and a plurality of metal terminals. A plurality of first mounting grooves are provided on the plastic body. The metal terminals are in one-to-one correspondence with the first mounting grooves. One of the metal terminals is correspondingly mounted in one of the first mounting grooves. The housing is sleeved outside the plastic body. The plurality of metal terminals includes a power terminal and a ground terminal. The power terminal includes at least two power pins electrically connected to each other, and the ground terminal includes at least two ground pins electrically connected to each other. The metal terminals are all directly electrically connected to the connecting cable.

Abstract: An electrical connector includes a housing and a number of first terminal modules. The housing includes a number of first terminal module installation slots. Each of the first terminal modules includes two first conductive terminals which are a first signal terminal and a second signal terminal respectively, and a first retaining block that secures the first signal terminal and the second signal terminal together. The first holding block is received in a corresponding first terminal module installation slot, so that the first signal terminal and the second signal terminal are disposed overhead in the corresponding first terminal module installation slot. The first signal terminal and the second signal terminal of the present disclosure are installed in the housing in pairs, thereby optimizing the arrangement of the conductive terminals and helping to improve the quality of signal transmission.

Abstract: A bathtub massage nozzle with a switch function includes a nozzle body, a nozzle core seat and a nozzle surface cover. The nozzle core seat is provided with sealing rubber rings between a core seat water inlet hole and core seat air inlet holes, and at a side away from the core seat water inlet hole. The sealing rubber rings are compressed against an inner wall surface of the nozzle body, so that both ends of the nozzle body are hermetically connected, thereby forming a sealed air cavity with a better airtightness. When air flows in from the air inlet, the air entering from the air inlet passes through the air cavity and is mixed with water through the core seat air inlet holes, so that the Venturi effect is enhanced, and the air can have a greater acceleration and pressure, thereby creating more bubbles and stronger massage effect.

Abstract: A small-scale robotic arm joint and a robot thereof are provided. In the small-scale robotic arm, multiple bearings are arranged at both ends and middle of a motor shaft; a sliding seal member is provided between a harmonic reducer and a motor; seal members are fitted on contact surfaces between a circular spline and a housing, as well as between the circular spline and the output end; a control board and the output end are hollow structures, through which cables pass; a magnetic coder is adopted to reduce a volume of the joint; additionally, a magnetic shielding plate is provided on the housing that separates the motor and the control board. Robotic arms of a robot are connected using said small-scale robotic arm joints, which are compact, smooth-operating, and safe, improve stability of a rotational axis, and prevent lubricating grease from entering the motor interior or the control board.

Abstract: An electrical connector includes a housing, a number of first conductive terminals, a number of second conductive terminals and a mounting block. Each first conductive terminal includes a first fixing portion and a second fixing portion. Each second conductive terminal includes a third fixing portion and a fourth fixing portion. The mounting block is mounted to the housing. The mounting block includes a base and a convex block protruding from the base. The base includes a number of first receiving grooves and a number of second receiving grooves. The second fixing portion is at least partially located in a corresponding first receiving groove. The fourth fixing portion is at least partially located in a corresponding second receiving groove. The convex block is located between the second fixing portion and the fourth fixing portion.

Abstract: This application provides a coordinate transformation circuit and method, applied in the field of LiDAR technology. The circuit includes at least one coordinate transformation module, where the coordinate transformation module includes a control module and a data processing module. The control module is connected to an optical detection module, and the data processing module is connected to the control module. The optical detection module is used to obtain the scanning coordinates and detection distance of the detection point during operation. The control module is used to receive an operation trigger signal and the scanning coordinates and detection distance of the detection point sent by the optical detection module. The control module sends the scanning coordinates and detection distance to the data processing module and controls the data processing module to determine the radar coordinates of the detection point.

Abstract: A resin composition including a lignin skeleton capable of producing a heat-resistant molded article and being decomposed under relatively mild conditions. The resin composition contains a lignin skeleton including, as a base component, a phenolated lignin or a derivative thereof that contains a reactive monomer group, the phenolated lignin containing a phenol-containing monomer represented by the following general formula (I): wherein R1 to R5 are each independently a monovalent group selected from H, OH, a C1 to C6 alkyl group, a C1 to C6 alkoxy group, and a C6to C10 aryl group, or adjacent substituents among R1 to R5 form a substituted or unsubstituted aromatic ring together, at least one of R1 and R2 is a hydroxyl group, and R6 is OCH3 or H; a molded article thereof, as well as a recycling method for a molded article formed in a mold formed of the resin composition.

Abstract: A method of a device supporting augmented reality (AR) or virtual reality (VR), includes: detecting an occurrence of at least one sensory discomfort to a user when the user uses the device supporting the AR or the VR; determining a source internet-of-thing (IoT) device triggering the occurrence of the at least one sensory discomfort to the user by an operational state of the source IoT device; providing at least one suggestion to the user though a user interface of the device; and adjusting, based on a response of the user to the provided at least one suggestion, the operational state of the source IoT device.

Abstract: The present invention provides a multi-piece solid golf ball including a core, a surrounding layer, an intermediate layer, and a cover, in which a large number of dimples are formed on an outside surface of the cover, the core is formed of a single layer or a plurality of layers of a rubber composition, the surrounding layer is formed of a single layer or a plurality of layers of a resin composition, the intermediate layer and the cover are both formed of a single layer of a resin composition, and a relationship between an initial velocity of an intermediate layer-encased sphere and an initial velocity of the ball satisfies the following condition: (initial velocity of ball)<(initial velocity of intermediate layer-encased sphere). Further, a deflection of the ball under a predetermined load is optimized, and a lift coefficient and a drag coefficient at a predetermined Reynolds number and spin rate of the dimples are set within a predetermined range.