Abstract: The present disclosure relates to an in-plane two-dimensional translational optical actuator. The in-plane two-dimensional translational optical actuator includes a fixed plate, a translational plate, i elastic assemblies located between the fixed plate and the translational plate and with two ends connected to the fixed plate and the translational plate respectively, and j electromagnetic drive assemblies fixed between the fixed plate and the translational plate. Each elastic assembly is composed of elastic elements of the same or different quantities, and at least one elastic assembly in the i elastic assemblies has two or more elastic elements. The j electromagnetic drive assemblies are disposed in a plane in two different directions, and used to drive the translational plate to move relative to the fixed plate within a plane where the translational plate is located in two different directions, so as to achieve two-dimensional translation of the translational plate.

Abstract: A system and a method are provided to create an indoor thermal environment based on impinging jet ventilation (IJV) and ductless personalized ventilation (DPV), the system includes an IJV duct installed on a wall of a room and a DPV device installed on a table. An air inlet of the IJV duct is connected to an air conditioning system and an air outlet of the IJV duct is close to ground. An upper duct and a lower duct of the DPV device are disposed on two opposite sides of a tabletop, the upper duct is provided with an air supply panel, the lower duct is provided with a duct fan with an air supply volume being adjustable, and the duct fan is configured to send air absorbed from a ground air lake to a user's face area through the air supply panel of the upper duct.

Abstract: A method for growing a single-crystal silicon ingot and a single-crystal silicon ingot includes, during an initial stage of body growing process of the single-crystal silicon ingot, controlling an initial height of a horizontal magnetic field to be higher than a free surface of silicon melt. The method further includes, during the body growing process of the single-crystal silicon ingot, adjusting the horizontal magnetic field on convection intensity of the silicon melt to make oxygen concentration of the single-crystal silicon ingot to be decreased in an axial direction from a head portion to a tail portion.

Abstract: The present disclosure relates to a method, a device and a computation apparatus for allocating a space address to data in a memory, where the computation apparatus is included in a combined processing apparatus, which includes a general interconnection interface and other processing apparatuses. The computation apparatus interacts with other processing apparatuses to jointly complete computations specified by the user. The combined processing apparatus also includes a storage apparatus. The storage apparatus is respectively connected to the computation apparatus and the other processing apparatuses, and is used for storing data of the computation apparatus and other processing apparatuses. The technical solutions of the present disclosure improve utilization of storage space of the memory.

Abstract: An anti-oxidation dipping treatment method for a graphite sealing element for a thermal power generation unit, and an anti-oxidation production line. The anti-oxidation dipping treatment method for a graphite sealing element for a thermal power generation unit comprises the following steps: S1, placing a graphite sheet into a soaking device for soaking; S2, conveying the soaked graphite sheet into a drying and curing device for drying and curing; S3, stacking the multiple dried and cured graphite sheets together, and subjecting same to compression molding to form a layered graphite body; and S4, stamping the layered graphite body to form a finished graphite sealing element with a desired appearance.

Abstract: A 3D printing method for an impact-resistant gradient complex part containing a hollow ceramic sphere complex, wherein the method includes the following steps: 1) designing the size and shape of the part as well as an internal layered structure; 2) providing a raw material, wherein the raw material contains a high polymer, a curing agent and hollow ceramic spheres; and 3) providing the raw material with a certain thickness according to a design, then, curing the raw material by using a heat source to form a high polymer layer containing the hollow ceramic spheres, and repeatedly printing the high polymer layer according to the design until the high polymer layer reaches the designed thickness to form the impact-resistant gradient complex part.

Abstract: A multi-area artificial fog pipe network control method and system based on a you only look once version 5 (YOLOv5) algorithm are provided. The method includes: obtaining thermal sensation data of each target person based on facial skin temperature; calculating group thermal sensation data of each subarea and total group thermal sensation data of an artificial fog pipe network area; determining a total flow of fog-making water introduced into the artificial fog pipe network according to target number of people and total group thermal sensation data; controlling opening gears of atomization nozzles on the artificial fog pipe networks in subareas according to a number of the target person in each subarea, the group thermal sensation data and a micro-action type of each target person.

Abstract: A cyber-physical integrated restoration method and system for distribution systems based on emergency mobile communications are provided. After extreme natural disasters which cause serious damage to distribution systems, damages of distribution systems are evaluated through system feedback data. When ground communication base stations are unavailable due to the damages, the method can make full use of existing wireless emergency communication resources to provide emergency communication services, and quickly restore the power supply through distribution automation functions with supports of the backup battery of automatic terminal devices, so as to effectively improve the resilience of distribution systems.

Abstract: An optimization method for bending rebound quantity of aluminum roll forming includes the following steps: S1, analyzing the process of aluminum roll forming, and determining decision variables of aluminum rebound quantity and thickness reduction; S2, constructing the optimization model of the bending rebound quantity of aluminum roll forming based on the multi-objective optimization algorithm and clarifying constraints in the process of aluminum roll forming; S3, based on characteristics of the model in S2, proposing the corresponding algorithm to optimize the aluminum rebound quantity and thickness reduction; S4, updating the decision variables that affect the aluminum rebound quantity and thickness reduction; S5, judging the iteration stop condition, and outputting the scheme that improves the bending rebound quantity of roll forming aluminum.

Abstract: The present application provides an information transmission method and device, storage medium and processor. The method includes: a network side transmits request configuration information of other system information to a terminal, the request configuration information of the other system information including a transmission configuration for request information of the other system information, the request information of the other system information being information transmitted to the network side when the terminal requests to acquire the other system information; and the network side transmits the other system information on the downlink transmission port indicated by the request information of the other system information.

Abstract: An alginate hydrogel-based thin-film heat flux sensor for billet crystallizer includes an alginate hydrogel substrate. The alginate hydrogel substrate is configured in a U-shaped planar structure. The U-shaped planar structure includes a first side and a second side, and the first side is longer than the second side. An inner surface of the alginate hydrogel substrate is provided with a first film thermocouple and a second film thermocouple. The first film thermocouple is in crosslinking connection with the second film thermocouple.

Abstract: Provided is a friction nano power generation synaptic transistor. The friction nano power generation synaptic transistor includes a friction nano generator, a synaptic transistor, a substrate, an electrode layer formed on the substrate, a shared intermediate layer formed on the electrode layer; a synaptic transistor active layer, a source electrode, and a drain electrode which are formed on the shared intermediate layer; and a positive friction layer and a negative friction layer formed on the shared intermediate layer, where the shared intermediate layer is used as a dielectric layer of the synaptic transistor and an intermediate layer of the friction nano generator.

Abstract: An optical fiber microwave frequency transmission method based on laser frequency offset-locking includes: generating, by a master laser and a slave laser respectively, a master laser signal and a slave laser signal; transmitting, by an optical fiber link, the master laser signal and the slave laser signal to a microwave frequency receiver, and locking a frequency difference between the master laser and the slave laser to a preset microwave frequency; receiving a return laser signal returned from the microwave frequency receiver, the return laser signal including the master laser signal, the slave laser signal and a noise of the optical fiber link; generating a reference signal, and adjusting the preset microwave frequency to compensate the noise of the optical fiber link, so that a microwave frequency subsequently received by the microwave frequency receiver approaches a frequency of the reference signal.

Abstract: The embodiments of the present disclosure provide an asymmetric hydraulic support for pseudo inclined mining in steeply dipping seam, wherein the asymmetric hydraulic support includes a top mechanism, a bottom mechanism, a telescopic mechanism, and a connecting mechanism; the top mechanism and the bottom mechanism are disposed in parallel to each other, and a projection of the top mechanism and the bottom mechanism on a working surface is a parallelogram, and a sum of an acute angle of each of two parallelograms and a steeply dipping angle in pseudo inclined mining is 90°; the telescopic mechanism is provided between the top mechanism and the bottom mechanism, and two ends of the telescopic mechanism are rotationally connected to the top mechanism and the bottom mechanism, respectively; one end of the two sets of connecting structures of the connecting mechanism is hinged by a first articulating shaft, and a central axis of the first articulating shaft is located in a middle of the top mechanism and the botto

Abstract: A parking lot management and control method based on object activity prediction, an electronic device and a storage medium are provided. The method includes: obtaining a scene video of a parking lot; detecting and tracking objects in the scene video to generate a spatial AND-OR graph model of the parking lot, the spatial AND-OR graph model representing spatial position relationships of the objects in the scene video; performing a sub-activity extraction on the spatial AND-OR graph model to obtain a sub-activity tag set representing activity states of concerned ones of the objects; inputting the sub-activity tag set into a temporal AND-OR graph model to obtain a future activity prediction result of concerned objects in the parking lot; and transmitting control information based on the future activity prediction result of the concerned objects to a device corresponding to the parking lot.

Abstract: A heater assembly is for a single crystal puller. The single crystal puller includes a puller body. A crucible assembly is arranged in the puller body, and a bottom of the crucible assembly is supported by a support structure. The support structure includes a support shaft, and the crucible assembly is driven by the support shaft to rotate. The heater assembly includes a heating part and a conductive part. The heating part covers an outer surface of the crucible assembly, and the heating part is able to rotate synchronously with the crucible assembly. The heating part includes a plurality of connecting electrodes. The conductive part is arranged on the support shaft, and includes a plurality of annular conductive members connected to the plurality of connecting electrodes respectively. External electrodes are connected to the plurality of annular conductive members respectively.

Abstract: Provided is an excitation protection device acting step by step with a single excitation source, including a shell body, an excitation source, impact devices and a conductor, wherein at least two impact devices respectively located in different cavities are provided in the shell body, one side of the impact device is provided with one excitation source, and the impact device and the excitation source are respectively in sealed contact with the cavities where the impact device and the excitation source are located; and the excitation source drives the impact devices to displace simultaneously or successively, and at least one of the impact devices breaks the conductor during the displacement process.

Abstract: Provided are a micro-nano wire manufacturing device and a micro-nano structure. The micro-nano wire manufacturing device includes a liquid-phase nanomaterial storage device and a micro-nano wire applying mechanism. The liquid-phase nanomaterial storage device is provided with a liquid outlet. The micro-nano wire applying mechanism is provided in one-to-one correspondence with the liquid outlet. The micro-nano wire applying mechanism includes at least two flexible wires. The roots of the flexible wires are secured to the liquid-phase nanomaterial storage device. One ends of the two flexible wires hang down to a substrate and abut against each other. The range of the angle between the projections of the two flexible wires on the substrate is 1° to 5°.

Abstract: This application relates to the technical field of coal-fired boilers, and provides a method and an apparatus for improving steam oxidation resistance of a small-diameter boiler tube in a coal-fired boiler. The method includes the following steps: cutting a boiler tube panel from a ceiling of the boiler, vertically hoisting and fixing the boiler tube panel, and cutting out a section from a bottom portion of a lower bend of the boiler tube panel; cleaning an inner tube wall of each tube body in the boiler tube panel; performing oxidation resistance coating sintering on the inner tube wall of each tube body in the boiler tube panel; and performing a welding repair on each tube body in a sintered boiler tube panel. All construction processes of this method can be completed in a furnace during shutdown and maintenance, production efficiency is high, and maintenance duration can be significantly reduced.

Abstract: Provided are a data transmission method and apparatus, and a storage medium. The method includes: receiving second downlink control information over a second search space, and rejecting receiving first downlink control information over a first search space; wherein the second downlink control information comprises downlink control information for carrying feedback of a base station.