Abstract: Provided is a steam jet multifunctional aircraft deicing vehicle with steam jet, includes a vehicle body, where a steam generating assembly is arranged in the vehicle body, and the steam generating assembly is connected with a steam conveying assembly. A moving assembly is rotatably connected above the vehicle body, and the moving assembly is rotatably connected with an execution assembly. The execution assembly includes a first spray head assembly and a second spray head assembly. The steam conveying assembly includes a first supercharger and a second supercharger arranged side by side, where an air outlet end of the first supercharger is communicated with one end of a first air outlet pipe, and an other end of the first air outlet pipe is communicated with spray heads of the second spray head assembly through a first air pipeline.

Abstract: The present invention discloses a sand control device for marine hydrate production, which comprises a top motor, a bottom motor, and an inner-layer sand control cylinder, an outer-layer sand control cylinder and an outer-layer sand control screen coaxially arranged from inside to outside, wherein the top motor and bottom motor are configured to control the inner-layer sand control cylinder and the outer-layer sand control cylinder to rotate reversely, and wherein a plurality of sand retaining balls are provided between the inner-layer sand control cylinder and the outer-layer sand control cylinder and between the outer-layer sand control cylinder and the outer-layer sand control screen. According to the present invention, the arrangement of the inner-layer sand control cylinder and the outer-layer sand control cylinder rotating reversely can effectively prevent formation sand from accumulating on the surface of a sand control screen pipe and blocking the sand control screen pipe.

Abstract: Provided is a display method for A-pillar-mounted display assemblies of a vehicle. The method includes: acquiring facial posture information of a driver of the vehicle in a camera coordinate system by any one driver monitoring assembly of at least one driver monitoring assembly, determining a visual field of the driver based on a gaze direction of the driver and the eye position of the driver, acquiring coordinates of the two display assemblies in a world coordinate system, converting the coordinates of the two display assemblies in the world coordinate system into coordinates in the camera coordinate system based on a first conversion relationship, determining whether any one display assembly of the two display assemblies is within the visual field, and capturing an external image of the vehicle captured by the imaging assembly.

Abstract: A video shooting method device and system is provided. The method includes: determining a category of an object, and determining a target lens motion mode for shooting a video of the object based on the category of the object, so as to shoot the video of the object with the target lens motion mode. This method may reduce the requirements on the user's video shooting skills and facilitate video shooting.

Abstract: The present disclosure relates to the field of dental material treatment, and particularly to a dental zirconia treatment technology. The specific technical solution is as follows: a zirconia treatment method, mainly involving color masking the zirconia, surface roughening the zirconia, coloring the zirconia, surface protection treatment and additional protective film treatment. Based on this treatment method, a brand-new color masking liquid, coloring liquid and adhesive solution are proposed. The present zirconia treatment technology not only meets the individualized requirements of patients for teeth, but also meets the requirements of dentists for convenient operation, so that it is of great value in application and popularization on the market.

Abstract: A method for obtaining a higher-order ambisonics (HOA) coefficient includes obtaining location information of a virtual speaker on a preset spherical surface, where the preset spherical surface includes M circles of longitude and N circles of latitude, and obtaining, based on the location information and a preset reference trigonometric function table, a trigonometric function value corresponding to the location information, where the reference trigonometric function table includes an elevation trigonometric function table and/or an azimuth trigonometric function table, and obtaining an HOA coefficient for the virtual speaker based on the trigonometric function value corresponding to the location information.

Abstract: This application provides a method and an apparatus for determining a virtual speaker set. The method for determining a virtual speaker set includes: determining a target virtual speaker from F preset virtual speakers based on a to-be-processed audio signal, where each of the F virtual speakers corresponds to S virtual speakers, F is a positive integer, and S is a positive integer greater than 1; and obtaining, from a preset virtual speaker distribution table, respective position information of S virtual speakers corresponding to the target virtual speaker, where the virtual speaker distribution table includes position information of K virtual speakers, the position information includes an elevation angle index and an azimuth angle index, K is a positive integer greater than 1, F?K, and F×S?K. This application can improve audio signal playback effect.

Abstract: The present application discloses a cam type airplane cabin door load simulation device and simulation method. The device comprises n cam groups, an input shaft, 3n couplers, and a friction disc load device; the n cam groups and the friction disc load device are connected in series by means of the input shaft; 3n couplers are provided on the input shaft; each cam group comprises a gravity cam simulation device, an inertia cam simulation device, and a wind load cam simulation device; and in each cam group, the gravity cam simulation device, the inertia cam simulation device, and the wind load cam simulation device are sequentially connected in series by means of the input shaft, and the tail ends of the n cam groups are connected in series with the friction disc load device by means of a coupler.

Abstract: Provided are a material presentation method and apparatus, a terminal and a storage medium. The material presentation method includes steps described below. A to-be-presented splash presentation material is received. A splash presentation image of the to-be-presented splash presentation material is magnified, and the magnified splash presentation image is presented. In response to the presented magnified splash presentation image satisfying a minifying condition, the presented magnified splash presentation image is minified.

Abstract: A longitudinal beam assembly includes an integrally formed longitudinal beam and a mounting tower. The mounting tower is mounted on the longitudinal beam. The longitudinal beam is provided with a first suspension mounting portion, and the first suspension mounting portion is configured to mount a suspension lower swing arm. The mounting tower is provided with a shock absorber mounting portion and a second suspension mounting portion. The shock absorber mounting portion is configured to mount a shock absorber and the second suspension mounting portion is configured to mount a suspension upper swing arm.

Abstract: An image processing method is provided. The method includes: obtaining a to-be-processed image; extracting attribute information of the to-be-processed image; determining an image processing strategy corresponding to the to-be-processed image according to the attribute information; and obtaining a target image by processing the to-be-processed image according to the image processing strategy.

Abstract: The present invention discloses a sand control device for marine hydrate production, which comprises a top motor, a bottom motor, and an inner-layer sand control cylinder, an outer-layer sand control cylinder and an outer-layer sand control screen coaxially arranged from inside to outside, wherein the top motor and bottom motor are configured to control the inner-layer sand control cylinder and the outer-layer sand control cylinder to rotate reversely, and wherein a plurality of sand retaining balls are provided between the inner-layer sand control cylinder and the outer-layer sand control cylinder and between the outer-layer sand control cylinder and the outer-layer sand control screen. According to the present invention, the arrangement of the inner-layer sand control cylinder and the outer-layer sand control cylinder rotating reversely can effectively prevent formation sand from accumulating on the surface of a sand control screen pipe and blocking the sand control screen pipe.

Abstract: A leaf spring structure includes at least two leaf springs, a leaf spring connecting component, two first lifting ears, and two second lifting ears. The at least two leaf springs overlap in a vertical direction, and the at least two leaf springs decrease in length gradually from bottom up. The at least two leaf springs include a first leaf spring and a second leaf spring. The first leaf spring is longer than the second leaf spring. The leaf spring connecting component is configured to fixedly connect body portions of the at least two leaf springs in a length direction. The two first lifting ears are respectively disposed at two first free ends of the first leaf spring in the length direction, and the two second lifting ears are respectively disposed at two second free ends of the second leaf spring in the length direction.

Abstract: Ionizable phospholipids and compositions and methods relating thereof are provided herein. In some aspects, the ionizable phospholipids provided herein may be formulated in compositions which contain a nucleic acid and one or more helper excipients. In some aspects, these compositions may also be used to treat diseases or disorders with a therapeutic nucleic acid.

Abstract: Various embodiments provide a suspension structure and a vehicle, and relates to the field of vehicle technologies. In some embodiments, the suspension structure includes a leaf spring assembly, an upper arm, a steering knuckle, and a shock absorber. The leaf spring assembly includes two leaf spring constructions arranged in a front-to-rear direction. Both leaf spring constructions are arranged transversely relative to a body structure, and the middle part of each leaf spring construction is fixedly connected to the body structure; and each of the leaf spring constructions is provided with two free ends in a length direction, and each of the free ends is provided with a first mounting portion and a second mounting portion. One end of the upper arm is rotatably connected to the body structure.

Abstract: An energy storage system includes a fire suppression system controller, a fire extinguishing apparatus, a first sensing unit configured to detect a temperature and smoke of the energy storage system, a second sensing unit configured to detect a thermal runaway parameter, an energy storage system controller, and an energy storage unit. When the thermal runaway parameter output by the second sensing unit meets a thermal runaway condition, the energy storage system controller sends alarm information to the fire suppression system controller, to stop energy charging or energy supply of the energy storage unit. When receiving the alarm information sent by the first sensing unit and/or the energy storage system controller, the fire suppression system controller indicates the fire extinguishing apparatus to perform a fire extinguishing operation.

Abstract: A timing controller includes a receiving circuit, a timing control circuit, and a plurality of insertion loss circuits. The receiving circuit is configured to receive N frames of signals. The timing control circuit is configured to: detect a bit error rate of an (M-1)th-frame signal in a blanking interval of an Mth-frame signal; adjust a swing of the (M-1)th-frame signal according to a target swing value corresponding to the bit error rate of the (M-1)th-frame signal; and select the corresponding insertion loss circuit according to the target swing value corresponding to the bit error rate of the (M-1)th-frame signal, wherein M and N are both positive integers, and M is greater than 1 and less than or equal to N. The present disclosure is applied to signal adjustment of the timing controller.

Abstract: A method for event-triggered distributed reinforcement learning for unit commitment optimization and dispatch to solve the waste problem of unit resources includes obtaining a unit commitment optimization and dispatch model, constructing a fixed action set under preset constraint conditions, and selecting optimal power of each unit; transforming constraint conditions into projection constraints, and projecting the virtual generation power to a corresponding constraint range, to obtain actual generation power of each unit within the constraint range; calculating corresponding rewards based on cost under actual generation power of each unit without bandwidth constraints, and updating local Q values of each unit in a Q table according to Q-learning algorithms, to obtain an optimal action of each unit without bandwidth constraints; and under the constraint conditions of considering bandwidths, obtaining an optimal solution, meeting limited bandwidth constraint conditions, to the unit commitment optimization and d

Abstract: An audio encoding and decoding method and apparatus, and a non-transitory readable storage medium are provided. The encoding method includes: selecting a first target virtual speaker from a preset virtual speaker set based on a current scene audio signal; generating a first virtual speaker signal based on the current scene audio signal and attribute information of the first target virtual speaker; and encoding the first virtual speaker signal to obtain a bitstream. According to the encoding method, an amount of encoded data is reduced, to improve encoding efficiency.

Abstract: Audio encoding and decoding methods and apparatuses are disclosed, to reduce an amount of encoded and decoded data, so as to improve encoding and decoding efficiency. The method includes: selecting a first target virtual speaker from a preset virtual speaker set based on a first scene audio signal; generating a first virtual speaker signal based on the first scene audio signal and attribute information of the first target virtual speaker; obtaining a second scene audio signal using the attribute information of the first target virtual speaker and the first virtual speaker signal; generating a residual signal based on the first scene audio signal and the second scene audio signal; and encoding the first virtual speaker signal and the residual signal, to produce encoded signals, and writing the encoded signals into a bitstream.