Abstract: One or more embodiments of this specification provide block synchronization methods and apparatuses. A method includes: receiving, by a block synchronization device in a blockchain relay communication network and from a relay node of a plurality of relay nodes, a block obtaining request sent by a blockchain node of a plurality of blockchain nodes; selecting, by the block synchronization device from one or more locally stored blocks on the block synchronization device, one or more historical blocks; and sending, by the block synchronization device via the relay node of the plurality of relay nodes, one or more historical blocks to the blockchain node of the one or more blockchain nodes to perform block synchronization by the blockchain node of the one or more blockchain nodes on blocks locally stored by the blockchain node of the plurality of blockchain nodes based on the one or more historical blocks.

Abstract: One or more embodiments of this specification provide a message transmission methods and apparatuses. A method includes: registering each of a plurality of blockchain nodes in a blockchain relay communication network to a blockchain node set indicated in a registration request submitted by a corresponding blockchain node of the plurality of blockchain nodes; generating a routing policy corresponding to each of the plurality of blockchain nodes, the routing policy comprising the blockchain node set that comprises the plurality of blockchain nodes and a relay node that connects to the corresponding blockchain node of the plurality of blockchain nodes; and receiving a first blockchain message sent for a target blockchain node in a target blockchain node set from one of the plurality of blockchain nodes.

Abstract: One or more embodiments of this specification provide methods and apparatuses for transmitting messages. A method includes: registering, based on a registration request sent by each blockchain node in a blockchain relay communication network, a blockchain node to a blockchain node set indicated by the registration request; determining, in response to receiving a blockchain message to be sent to a target blockchain node set, a target blockchain node registered to the target blockchain node set and a target relay node in the blockchain relay communication network; and transmitting the blockchain message to the target blockchain node through the target relay node.

Abstract: This specification provides a message transmission methods and apparatuses. One method includes: receiving a digital certificate sent by each blockchain node of a plurality of blockchain nodes in a blockchain relay communication network, wherein the digital certificate comprises identity information of each blockchain node of the plurality of blockchain nodes and a network identifier of a blockchain network of the blockchain relay communication network that comprises a corresponding blockchain node of the plurality of blockchain nodes; verifying that a digital signature of the digital certificate is authentic based on a public key of a certification authority (CA) issuing the digital certificate; and recording a mapping relationship between the identity information of each blockchain node of the plurality of blockchain nodes and the network identifier.

Abstract: One or more embodiments of this specification provide methods and apparatuses for transmitting messages. A method includes: determining a blockchain message from two or more message queues stored in a relay node in a blockchain relay communication network based on a message transmission policy, the message transmission policy being configured to transmit blockchain messages in the blockchain relay communication network based upon a priority identifier representing a priority of a blockchain message to be transmitted in the blockchain relay communication network; obtaining identifier from the blockchain message, and determining one or more target blockchain nodes in the blockchain relay communication network corresponding to the identifier; determining a target relay node connected to the one or more target blockchain nodes in the blockchain relay communication network; and transmitting the blockchain message to the one or more target blockchain nodes through the target relay node.

Abstract: One or more embodiments of this specification provide a blockchain system, and a message transmission method and apparatus. The method includes: receiving a blockchain message from a blockchain node of a plurality of blockchain nodes in a blockchain relay communication network; sending the blockchain message to a relay node in a relay cluster of a plurality of relay clusters; and transmitting the blockchain message to the target blockchain node through the target relay cluster, wherein each blockchain node of the plurality of blockchain nodes is connected to at least one relay cluster of the plurality of relay clusters, and each relay cluster of the plurality of relay clusters comprises a load balancer and at least one relay node connected to the load balancer.

Abstract: Computer-implemented methods, apparatuses, and systems for transferring a transaction using a blockchain integrated station are provided. The blockchain integrated station includes a central processing unit (CPU) and a smart network card. The smart network card is configured to receive a transaction of a blockchain network, wherein the blockchain integrated station is a blockchain node of the blockchain network, and determine other blockchain nodes in the blockchain network; and in response to determining the other blockchain nodes of the blockchain network, transfer the transaction to the other blockchain nodes of the blockchain network.

Abstract: One or more embodiments of this specification provide message transmission methods and apparatuses. A method includes: registering each of a plurality of blockchain nodes in a blockchain relay communication network to a blockchain node set indicated in a registration request submitted by a corresponding blockchain node of the plurality of blockchain nodes; generating a routing policy corresponding to each of the plurality of blockchain nodes, the routing policy comprising a blockchain node set that the corresponding blockchain node belongs and a relay node that connects to the corresponding blockchain node; receiving a blockchain message for a target blockchain node in a target blockchain node set; determining a target relay node connected to the target blockchain node according to a tree-structured routing table obtained by organizing routing policies in a tree structure; and transmitting the blockchain message to the target blockchain node.

Abstract: The present application relates to a battery module, which may include: a plurality of secondary batteries disposed in a row, the plurality of secondary batteries are provided with explosion-proof valves; an insulating plate disposed above the secondary batteries; a monitoring cable set connected with the insulating plate, and the monitoring cable set is corresponding to a position of each of the explosion-proof valves; the monitoring cable set comprises two monitoring cables, and the monitoring cables includes wires and thermomelting insulating layers cladding the wires; when the explosion-proof valve of any of the secondary batteries explodes, the thermomelting insulating layers of the two monitoring cables melt, and two wires are in contact with each other and short-circuited.

Abstract: The present application relates to a battery pack. The battery pack comprises: two or more battery modules, each of the battery modules comprising a plurality of battery cells which are stacked in sequence, wherein each of the battery cells is provided with an explosion-proof valve; the battery pack further comprising a thermal alarm device and a battery management system, wherein the thermal alarm device is arranged corresponding to the explosion-proof valve; the thermal alarm device and the battery management system are connected to form a circuit; and a break of the circuit can be caused when the explosion-proof valve is exploded. The present application provides the thermal alarm device, and when thermal runaway occurs in the battery module, a circuit break is formed between the thermal alarm device and the battery management system, thus the thermal runaway status of the battery pack can be accurately reflected.

Abstract: A wireless power transfer system has a signal source, an exciting coil, a pair of resonance coils having the same resonance frequency, a receiving coil and a load. The resonance frequency is regulated by the pair of resonance coils. The working frequency is made close to the resonance frequency of the resonance coils by means of the physical properties of a single-mode point in a non-Hermitian system, so as to regulate the energy transfer rate by controlling the distance between the receiving coil and the adjacent resonance coil. The system is located at the single-mode point while the coupling distance between the pair of resonance coils is changed and efficient wireless power transfer and mono-frequency efficient wireless power transfer within the kHz frequency range are realized by means of the physical properties of fixed frequency and minimum loss at the single-mode point.

Abstract: A high-resolution real-time time-frequency domain measuring device includes a light splitting unit used to split signal light to be measured, a time lens unit used to perform time domain amplification on the signal light to be measured, a dispersion Fourier transform unit used to perform Fourier transform on the signal light to be measured, and a detection unit used to receive and detect measured data. The time lens and the dispersion Fourier transform technology are used to realize the real-time measurement of sub-picosecond transient characteristics of the ultra-short pulse to accurately obtain the time-frequency domain information of the ultra-short pulse.

Abstract: This disclosure provides a battery module and a battery pack. The battery module includes: a battery set including a plurality of batteries arranged in an array, each of the batteries includes an explosion-proof valve; a cover plate disposed on the battery set; and a thermosensitive assembly disposed between the battery set and the cover plate, the thermosensitive assembly being connected with the cover plate, the thermosensitive assembly including a thermosensitive wire, and thermosensitive wire can provide a prompt signal indicating that the explosion-proof valve of the battery is burst. The battery module according to embodiments of the present disclosure can accurately and effectively transmit the information regarding thermal runaway occurring in the battery to the outside, such that the battery module has a performance of alerting the thermal runaway.

Abstract: A folding tent with automatic cornice structure includes a folding tent body including a leg tube and a folding rod assembly that are installed by a leg tube slider and a leg tube top member. The folding tent further includes a cornice assembly including a connection sleeve group that includes a first sliding sleeve, a second sliding sleeve and a third sliding sleeve, and a cornice rod group that includes a cornice rod, a diagonal draw rod and a push rod. The first sliding sleeve is slidably cooperated with the cornice rod and is hingedly cooperated with the push rod. The second sliding sleeve is fixedly cooperated with the push rod, is slidably cooperated with a folding top rod, and is hingedly cooperated with the diagonal draw rod. The third sliding sleeve is fixedly cooperated with the folding top rod, and is hingedly cooperated with a folding diagonal rod.

Abstract: A display substrate including a base substrate, a plurality of pixel units, at least one first power line, a blocking structure, an auxiliary connection structure, a cathode layer, and a first organic pattern. A distance between a first connection position closer to a first portion of the at least one first power line and the blocking structure is arranged to be larger.

Abstract: Provided is a display substrate including a base substrate, a plurality of pixel units, at least one first power line, a blocking structure, an auxiliary connection structure, a cathode layer and a first organic pattern. A first projection region formed from an orthographic projection of the auxiliary connection structure on the base substrate and an orthographic projection of the blocking structure on the base substrate do not overlap.

Abstract: A gate drive circuit includes: a plurality of cascaded shift register units, wherein each of the shift register units is connected to pixel circuits in a display panel; an output module of each shift register unit includes: a drive transistor for driving an output terminal to output a gate drive signal, and the output terminal is configured to provide the gate drive signal to the pixel circuits connected to the shift register unit provided with the output terminal; each pixel circuit is further connected to a first power supply terminal, and each pixel circuit is configured to emit light under control of the gate drive signal from the corresponding shift register unit and a first power supply signal from the first power supply terminal; and a width-to-length ratio of a conductive channel of each drive transistor is in negative correlation with a target distance.

Abstract: The present disclosure discloses an electroluminescent display panel and a display device. The electroluminescent display panel includes a plurality of repeat units, each of the plurality of repeat units includes a plurality of sub-pixels, and each of the plurality of sub-pixels includes: a first conductive layer, located on a substrate; a first insulation layer, located on the first conductive layer and including a first hole, in which the first hole exposes a portion of the first conductive layer; and an anode, located on the first insulation layer and including a main portion and an auxiliary portion which are electrically connected to each other. The auxiliary portion is electrically connected to the first conductive layer through the first hole. In at least one sub-pixel, an orthographic projection of the main portion on the substrate does not overlap an orthographic projection of the first hole on the substrate.

Abstract: The present disclosure discloses an electroluminescent display panel and a display device. The electroluminescent display panel includes a plurality of repeat units, each of the plurality of repeat units includes a plurality of sub-pixels, and each of the plurality of sub-pixels includes: a first conductive layer, located on a substrate; a first insulation layer, located on the first conductive layer and including a first hole, in which the first hole exposes a portion of the first conductive layer; and an anode, located on the first insulation layer and including a main portion and an auxiliary portion which are electrically connected to each other. The auxiliary portion is electrically connected to the first conductive layer through the first hole. In at least one sub-pixel, an orthographic projection of the main portion on the substrate does not overlap an orthographic projection of the first hole on the substrate.

Abstract: The present application relates to a battery module, which may include: a plurality of secondary batteries disposed in a row, the plurality of secondary batteries are provided with explosion-proof valves; an insulating plate disposed above the secondary batteries; a monitoring cable set connected with the insulating plate, and the monitoring cable set is corresponding to a position of each of the explosion-proof valves; the monitoring cable set comprises two monitoring cables, and the monitoring cables includes wires and thermomelting insulating layers cladding the wires; when the explosion-proof valve of any of the secondary batteries explodes, the thermomelting insulating layers of the two monitoring cables melt, and two wires are in contact with each other and short-circuited.