Abstract: Method of manufacturing a vertically aligned laminated graphene based thermally conductive film. The method comprising: attaching first and second graphene film using a layer of nanoparticles and an adhesive; forming a layered film comprising a predetermined number of graphene film layers by repeating the steps of arranging a layer of nanoparticles, arranging an adhesive and attaching a graphene film; and laminating the layered film by applying pressure and heat to cure the adhesive, thereby forming a laminate film; cutting the laminate film at an angle in relation to a surface plane of the film to form the vertically aligned laminated graphene based thermally conductive film.

Abstract: A thermoelectric conversion material having a high dimensionless figure of merit ZT includes: a large number of polycrystalline grains which include a skutterudite-type crystal structure containing Yb, Co, and Sb; and an intergranular layer which is between the neighboring polycrystalline grains and includes crystals in which an atomic ratio of O to Yb is more than 0.4 and less than 1.5. A method for manufacturing a thermoelectric conversion material includes: a weighing step; a mixing step; a ribbon preparation step by rapidly cooling and solidifying a melt of the raw materials by using a rapid liquid cooling solidifying method; a first heat treatment step including heat treating in an inert atmosphere with an adjusted oxygen concentration; a second heat treatment step including heat treating in a reducing atmosphere; and manufacturing the thermoelectric conversion material by a pressure sintering step in an inert atmosphere.

Abstract: In one embodiment, a movement footprint of a user walking along a wall in the environment is determined at least in part based on a communication between a first communication device and a second communication device. The first communication device is carried by the user, and the second communication device is placed in the environment. A representation of the spatial division of the environment is generated based on the determined movement footprint. An estimated size associated with at least one reference object in the environment is determined according to the representation of the spatial division, and a reference size associated with the at least one reference object is obtained. Further, the representation of the spatial division is adjusted based on the estimated size and the reference size.

Abstract: A semiconductor structure and a formation method thereof are provided. In one form, the method includes: providing a base; patterning the base to form a substrate and discrete fins and pseudo fins which protrude from the substrate, wherein the fins are located in a device region, and the pseudo fins are located in isolation regions; removing the pseudo fins in the isolation regions; forming isolation layers on the substrate exposed by the fins, wherein the isolation layers cover part of the side walls of the fins; and thinning the isolation layers in the isolation regions, wherein the remaining isolation layers in the isolation regions are regarded as target isolation layers, and the surfaces of the target isolation layers are lower than the surfaces of the isolation layers between the discrete fins.

Abstract: A method for multi-dimensional identification of flexible load demand response effects, including: step 1. determining a target object, a target area and a demand response project that participate in the multi-dimensional identification of flexible load demand response effects; step 2. acquiring flexible load evaluation data of the target area and the target object; step 3. performing data cleaning; step 4. preprocessing the flexible load evaluation data; step 5. constructing four characteristic extraction indicators, a peak load reduction rate, a peak-to-valley difference ratio, a load factor ratio and a response status, inputting a predicted value and an actual collected value of maximum and minimum daily loads before and after the flexible load demand response that are obtained from the prepossessing, to generate a matrix for clustering; step 6. clustering the matrix for clustering generated in step 5; step 7. guiding a more targeted development of demand response projects.

Abstract: A focal-length measuring apparatus for a sub-wavelength optical imaging device includes a laser, a beam-expanding and collimating system, a sub-wavelength optical imaging device, and a nanoscale stepped height standard sample block. The nanoscale stepped height standard sample block is connected to a power device, and the power device is connected to a computer control system. The nanoscale stepped height standard sample block is coated with a photoresist and includes a plurality of steps arranged at equal intervals Among all the steps, the heights of the steps gradually increase from a middle step to an upper side, and the values of the corresponding focal lengths decrease. While, the heights of the steps gradually decrease from the middle step to a lower side, and values of corresponding focal lengths increase. A wavelength of the laser is equal to a designed wavelength of an input light source of the sub-wavelength optical imaging device.

Abstract: Embodiments of this disclosure disclose a resource transfer data management method and apparatus, and a storage medium, which belong to the field of Internet technologies. The method includes: receiving transaction data transmitted by a first server, wherein the transaction data is obtained by the first server by signing resource transfer data according to a private key of the first server; verifying the transaction data according to a public key of the first server; and generating a second block according to the transaction data and a feature value of a first block in a blockchain when the verification succeeds, and adding the second block as a next block of the first block to the blockchain.

Abstract: An outer rotor motor having a stator and a rotor. The rotor includes a bonded magnet arranged around the stator, with an air-gap arranged between the bonded magnet and the stator.

Abstract: A method for audio recognition comprises: dividing audio data to be recognized to obtain a plurality of frames of audio data; calculating, based on audio variation trends among the plurality of frames and within each of the plurality of frames, a characteristic value for each frame of the audio data to be recognized; and matching the characteristic value of each frame of the audio data to be recognized with a pre-established audio characteristic value comparison table to obtain a recognition result, wherein the audio characteristic value comparison table is established based on the audio variation trends among the frames and within each of the frames of sample data.

Abstract: A data backup method includes querying a first block of a first blockchain for unused transaction output information based on a first condition being met, the first block including each block of all blocks included in the first blockchain; generating transaction information according to the unused transaction output information obtained based on the querying, the transaction information indicating a transaction operation based on an account address to which the unused transaction output information belongs; recording the transaction information in a second block and releasing the second block, and recording the second block on which a consensus is reached on a second blockchain; and backing up the first blockchain into a storage system, and deleting the first blockchain. Counterpart apparatus, terminal, server, and/or non-transitory computer-readable medium are also contemplated.

Abstract: A method for electing a representative node device performed by a first node device in a blockchain system includes: broadcasting candidate addition transaction data in the blockchain system, the candidate addition transaction data carrying credential data, the credential data being received from a target server and indicating that a first node device meets a qualification requirement for a candidate node device; storing the candidate addition transaction data on a target blockchain of a blockchain system when a plurality of node devices in the blockchain system verify the candidate addition transaction data by consensus; and participating in an election of the representative node device according to the candidate addition transaction data stored on the target blockchain.

Abstract: In a transaction method, transaction information is obtained. The transaction information includes a type identifier and quantity of first assets, and a type identifier and quantity of second assets. Transaction records, corresponding to a transaction in a block, are stored upon verification of the transaction information. The transaction records include first and second transaction records. The first transaction record includes first input and output items corresponding to the first assets, and the first input and output items each includes the type identifier of the first assets. The second transaction record includes second input and output items corresponding to the second assets, and the second input and output items each includes the type identifier of the second assets. The block is broadcasted to other nodes in the blockchain network, and verification results are received. The block is added to a blockchain of a current node based on the verification results.

Abstract: A semiconductor structure includes: a base substrate; two first fin structures formed on the base substrate; an isolation structure formed on the base substrate, wherein a top surface of the isolation structure is lower than top surfaces of the two first fin structures, the isolation structure covers a portion of sidewall surfaces of the two first fin structures, the isolation structure includes a first region, located between the two first fin structures, and two second regions, and the top surface of the isolation structure formed in the first region adjacent to the two first fin structures is higher than the top surface of the isolation structure formed in the two second regions; and a plurality of source/drain openings formed in the first fin structures and having a bottom surface lower than the top surface of the isolation structure formed in the two second regions.

Abstract: A method for electing a representative node device is performed at a blockchain system, including: obtaining voting transaction data from the node devices, the voting transaction data being used for voting for one or more node devices of the blockchain system as representative node devices; generating and storing the voting transaction data into a target blockchain of the blockchain system when a plurality of node devices of the blockchain system verify the voting transaction data by consensus; and when a quantity of blocks in the target blockchain generated using the voting transaction data reaches a preset quantity, determining an election result according to quantities of votes of the node devices determined from the voting transaction data, the election result identifying a plurality of representative node devices in the blockchain system being configured to generate new blocks for the target blockchain and perform verification on the new blocks by consensus.

Abstract: A method for electing a representative node device for a blockchain system includes: receiving IP address information of a first node device, the first node device being in a candidate state for a representative node device; receiving, from the first node device, an IP address obtaining request for requesting IP address information of a representative node device; when the first node device is determined to be a representative node device of the blockchain system elected in a current election process, transmitting, to the first node device, an IP address list comprising IP address information of representative node devices elected in the current election process; and when the first node device is determined not to be a representative node device of the blockchain system elected in the current election process, skipping the IP address obtaining request.

Abstract: A method for fabricating a semiconductor structure includes providing a base substrate; and forming two first fin structures and an initial isolation structure. The initial isolation structure includes a first region, located between the two first fin structures, and two second regions, each separated from the first region by a first fin structure. The method includes implanting doping ions into the initial isolation structure in the first region; and forming an isolation structure by removing a portion of the initial isolation structure. The removal rate of the initial isolation structure formed in the first region is smaller than the removal rate of the initial isolation structure formed in the two second regions. The top surface of the isolation structure is higher in the first region than in the two second regions. The method further includes forming a plurality of source/drain openings by removing a portion of the first fin structures.

Abstract: A semiconductor device and fabrication method thereof are provided. The method includes: providing a gate structure, a first dielectric layer, and source/drain doped layers on a base substrate and in the base substrate on sides of the gate structure; forming a mask layer on the gate structure between the source/drain doped layers; forming a second dielectric layer on the first dielectric layer and exposing the mask layer; etching the second dielectric layer and the first dielectric layer using the mask layer as an etch mask, to form first grooves on the sides of the gate structure and exposing the source/drain doped layers; forming a first conductive structure in each first groove; patterning the mask layer to form a second groove in the mask layer to expose the gate structure at the bottom of the second groove; and forming a spacer on sidewalls of the second groove.

Abstract: One or more VPN tunnels are established in a site-to-site configuration. A VPN transition subnet is defined and associated with each VPN tunnel. Once the VPN tunnel(s) and the LAN(s) have been configured, a per-application VPN policy can be specified for any applications that require site-to-site VPN access. Whenever a new application is launched, a container is created for executing the VM. The VPN management system reads the VPN policy to determine whether the application is permitted to access any VPN tunnels. If the application is permitted to access a VPN tunnel, a vNIC is generated on the VM for the container of the application and/or a new IP address on the vNIC is assigned to the container. The new IP address and/or the new vNIC are then added to the VPN transition subnet associated with the VPN tunnel to enable the application to access the VPN tunnel.

Abstract: For each frame of a video, a determination is made whether an image of a hand exists in the frame. When at least one frame of the video includes the image of the hand, locations of the hand in the frames of the video are tracked to obtain a tracking result. A verification is performed to determine whether the tracking result is valid in a current frame of the frames of the video. When the tracking result is valid in the current frame of the video, a location of the hand is tracked in a next frame. When the tracking result is not valid in the current frame, localized hand image detection is performed on the current frame.

Abstract: For each frame of a video, a determination is made whether an image of a hand exists in the frame. When at least one frame of the video includes the image of the hand, locations of the hand in the frames of the video are tracked to obtain a tracking result. A verification is performed to determine whether the tracking result is valid in a current frame of the frames of the video. When the tracking result is valid in the current frame of the video, a location of the hand is tracked in a next frame. When the tracking result is not valid in the current frame, localized hand image detection is performed on the current frame.