31results about How to "Realize active regulation" patented technology

The invention discloses a multi-modal XR emotion interaction method, system and device and a storage medium. The method comprises the steps of collecting multi-modal data of a user through a multi-modal perception interface of an XR device; preprocessing the collected multi-modal data, and performing emotion recognition on the preprocessed multi-modal data by adopting a deep neural network to obtain an emotion recognition result; constructing an emotion knowledge base, mapping the emotion recognition result into the emotion knowledge base, and reasoning and analyzing the current emotion; and automatically classifying the emotion according to the personalized emotion model of the user, and intervening and regulating the emotion of the user according to the current emotion of the user, the personalized emotion model and an emotion regulation reinforcement learning algorithm. Omnibearing, accurate, dynamic and personalized perception and quantitative analysis of the emotional state of the user are realized, and the emotional interaction experience in an XR scene can be remarkably improved.

The utility model discloses a marine active compensation medical sickbed, which relates to the technical field of marine equipment, and comprises a bed body support frame forming a plane; the middle limiting mechanism is connected to the center of the bed body supporting frame; the servo crank mechanisms are distributed in a surrounding mode with the middle limiting mechanism as the center, the servo crank mechanisms are at least arranged on the two sides of the middle limiting mechanism respectively, and crank connectors of the servo crank mechanisms are connected to the bed body supporting frame in a lifting mode; the control box is provided with an inclinometer and a controller which are connected with each other, and the controller is electrically connected to the middle limiting mechanism and the servo crank mechanism. According to the utility model, a stable working plane can be provided for an environment with complex working conditions on board, and favorable environmental conditions are provided for some special requirements such as operations.

The invention provides a cooling control method, a drilling system and a program product. The well drilling system comprises a ground drilling fluid cooling subsystem used for conducting graded cooling on drilling fluid returned from a shaft by a drilling fluid conveying pipeline based on cooling parameters and re-injecting the cooled drilling fluid into the drilling fluid conveying pipeline located in the shaft; the underground drill column is provided with at least one heat shielding drill rod used for reducing heat transferred to the interior of the drill column from the high-temperature annulus. The control subsystem is used for obtaining the shaft temperature distribution condition in the drilling fluid circulation process according to the shaft thermodynamic model, and controlling the cooling parameters of the drilling fluid cooling subsystem and the tripping-in time and position of the heat shielding drill rod based on the shaft temperature distribution condition in the drilling fluid circulation process; the underground while-drilling instrument is provided with a heat dredging device and used for reducing the heat conduction amount of the external environment to the underground while-drilling instrument. According to the invention, conventional drilling technical equipment can be suitable for the shaft temperature environment of drilling of an ultra-deep well and a geothermal well.

The invention provides an energy pile structure based on shaping phase change material backfilling and an operation method of the energy pile structure. The energy pile structure sequentially comprises a pile core heat injection base material A, a heat removal heat shield base material B and a concrete shell from inside to outside. A heat injection pipe is arranged in the pile core heat injection base material A, and a heat removal pipe is arranged in the heat removal heat shield base material B; the heat extraction heat shield base material B is internally connected with the pile core heat injection base material A, and is externally connected with the concrete shell; the pile core heat injection base material A and the heat extraction heat shield base material B are both made of shaped phase change materials; and the heat removal heat shield base material B adopts asymptotic phase change, so that the problems that underground cold and heat loads are unbalanced, a ground temperature field is unbalanced, inter-pile heat interference is serious, underground heat transfer efficiency is low, and the heat and cold supply capacity and energy efficiency of a system are not expected and are reduced year by year when an existing shallow soil source heat pump energy pile supplies heat and cold are solved.

The application provides a design method of an adaptive milling cutter with adjustable curvature, and relates to the technical field of cutter design and manufacturing. The application defines a cutter radius and a fillet radius, constructs a transition curve from a peripheral edge part to an end edge bottom part through a Bezier curve, establishes a cutter rectangular coordinate system, determines a Bezier curve parameter equation based on control point coordinates, calculates a curvature and a change rate, and then finds a control parameter combination that makes a target function value maximum by discretizing the control point coordinates, calculating the target function value and optimizing and solving, so as to realize accurate regulation and control of the cutter curvature, optimize a blade edge geometric shape, and improve the adaptability and cutting performance of the cutter under complex machining conditions.

The application provides a steam turbine condenser system for realizing intensified heat exchange, wherein a condenser body adopts a tubular heat exchanger, a condensing tube group is arranged in a shell, an ultrasonic wave generating unit is installed on an inner wall of the shell and faces a contact area of the condensing tube group and exhaust steam, a working condition monitoring unit is used for collecting environmental temperature and condenser operation parameters, and an intelligent control unit is electrically connected or signal connected with the working condition monitoring unit and the ultrasonic wave generating unit. The application realizes real-time sensing of an actual operation state of the steam turbine condenser through the working condition monitoring unit, dynamically adjusts the frequency and power of the ultrasonic wave by using a load-power matching algorithm built in the intelligent control unit, and destroys a thermal boundary layer and inhibits scaling by using cavitation effect and acoustic streaming effect of the ultrasonic wave. The application can establish a dynamic adjustment mechanism of the condenser operation parameters and the environmental temperature, realizes active regulation and closed-loop optimization of a heat exchange process, and realizes engineering high-efficiency application.

This invention relates to the field of drainage flow data processing technology, specifically to an intelligent control method and system for drainage efficiency based on drainage flow monitoring data. The invention comprises a sampled data sequence and a predicted data sequence; it obtains multiple data segment groups from the sampled data sequence and the predicted data sequence based on the volatility of the data in the sampled data sequence; it obtains the prediction deviation of each data segment group based on the difference distribution characteristics and relative distance between the two data sequences in each data segment group; it obtains the relative prediction deviation difference at real time based on the difference between the prediction deviation of the data segment group at the real time and the prediction deviation of other data segment groups within the historical range; it obtains the weighted prediction data for the next time step; it further obtains the predicted gate opening degree; and it controls the drainage gate. This invention optimizes the gate opening degree and improves drainage efficiency by obtaining accurate drainage flow prediction data for the next time step.

This invention provides an ion-doped calcium oxalate thermochemical heat storage material and its preparation method, the chemical formula of which is Ca. 1‑ x M x C2O4·H2O, where M is a dopant ion and x is the mole fraction of the dopant ion; M includes Mg 2+ Co 2+ Zn 2+ 、Sr 2+ One or more of the following. This invention regulates the lattice parameters, local coordination environment, defect state, and microstructure of calcium oxalate by doping with ions. While maintaining the original reversibility and cycle stability of the calcium oxalate system, it further optimizes its dehydration thermal storage temperature range, thermal response boundary, structural evolution behavior, and application compatibility materials, thereby improving the thermochemical thermal storage performance of calcium oxalate from the internal structural level.

A multi-band compatible programmable thermal radiator based on indium antimony telluride and an application method belong to the technical field of micro-nano photonic devices. The present invention aims to solve the problem that the thermal radiation characteristics of existing thermal radiators have a small control amplitude and a narrow control wavelength range. The controller is composed of a plurality of square control monomers periodically arranged on a silicon dioxide substrate; each square control monomer is a four-layer planar laminated structure, including, from bottom to top, a silver metal layer, an intermediate dielectric layer, an amorphous phase change material layer and a dielectric anti-reflection layer; the dielectric anti-reflection layer includes four sub-layers, and the material of each sub-layer is one of gallium arsenide, germanium and zinc sulfide; the material and thickness of the intermediate dielectric layer and each sub-layer and the thickness of the amorphous phase change material layer are determined by optimization to reflect a specific target color; the area ratio of the grating structure crystal phase change interval in the periodic structure is determined according to the infrared dual-band emissivity target value. The present invention can be used for visible-infrared multi-band compatible thermal camouflage of the target environment.

The invention relates to a torsional near-field radiant heat transport regulator and method based on a cylindrical waveguide, and belongs to the technical field of radiant heat transport regulation. Comprising a platform, a transmitting end, a waveguide structure and a receiving end, the transmitting end and the receiving end which are symmetrically arranged are installed on the platform, and the transmitting end and the receiving end are both matched with the waveguide structure. According to the invention, active adjustment of non-contact heat transport can be realized by completely depending on geometric characteristics of a system structure under the condition of not applying any external source field (an electric field, a magnetic field and a velocity field); the design has the advantages of being large in adjustable range, high in precision and the like. Based on the low-loss long-range heat transport characteristic of the cylindrical waveguide, an additional transport channel is opened up for heat exchange between objects by means of a cylinder surface mode, the propagation loss is low, and technical possibility is provided for non-contact heat regulation and control between a transmitting end and a receiving end.

This invention belongs to the field of optoelectronic technology, specifically relating to a method for fabricating a controllable crystallization micron-scale perovskite light-emitting device based on solution pretreatment. The method includes the following steps: Step 1: Obtaining a patterned microporous substrate; Step 2: Pre-wetting and seed layer construction; Step 3: Deposition of the main perovskite layer; Step 4: Slow-release controllable crystallization; The spin-coated wet film is placed in a vapor atmosphere of a good solvent for treatment, followed by thermal annealing to form a perovskite thin film within the patterned micropores; Step 5: Fabrication of a controllable crystallization micron-scale perovskite light-emitting device based on solution pretreatment. This invention, using pre-wetting, seed guidance, slow-release crystallization, and vapor annealing on a patterned microporous substrate, achieves precise control over the entire process of film nucleation and growth kinetics within the confined space of the micropores, thereby achieving high-quality, uniform fabrication of perovskite thin films within micron-scale micropores, and ultimately obtaining a high-performance, highly uniform microarray perovskite light-emitting device.

This invention discloses an anti-condensation and heat-insulating superhydrophobic aerogel coating, its preparation method, and its application in industrial thermal equipment. The method includes: segmentally modifying silica aerogel with reactive silane and hydrophobic silane in an alcohol-water mixture to obtain a bifunctional modified aerogel containing both resin-binding groups and low surface energy groups; emulsifying a phase change core material into droplets to obtain dew-point responsive bifacial breathing microcapsules; grafting polysiloxane onto the microcapsules; mixing waterborne silicone-modified film-forming resin, sheet-like shielding filler, flame-retardant filler, dispersant, defoamer, rheology modifier, film-forming aid, and water to obtain a base slurry; and performing leveling, pre-curing, and post-curing of the anti-condensation and heat-insulating superhydrophobic aerogel coating to enrich it, thereby obtaining an anti-condensation and heat-insulating superhydrophobic aerogel coating layer. This significantly reduces the wet thermal conductivity, ensuring the long-term heat-insulating effect of the coating under condensation conditions.

This invention relates to the field of polymer compound technology, specifically to an antibacterial food-grade plastic product for sealing and preservation and its preparation method, comprising an outer support layer and an inner antibacterial layer. The outer support layer is prepared by melt blending raw materials such as PBAT, PLA, and modified nano-calcium carbonate, wherein the mass ratio of PBAT to PLA is 90-100:10-20. The inner antibacterial layer is composed of nano-chitosan, tea polyphenols, essential oil microcapsules, glycerol, and agarose, composited on the surface of the outer support layer. The essential oil microcapsules have a core-shell structure, loading plant essential oils onto mesoporous silica as a carrier, and are coated with calcium alginate on the outer layer. The antibacterial food-grade plastic product prepared by this invention possesses long-lasting antibacterial properties, excellent mechanical properties, and heat-sealing strength, and has broad application prospects in the food packaging field.

The application is suitable for the field of heparin sodium crude product production, and provides a continuous drying and smashing integrated machine for heparin sodium crude product production, which comprises a secondary drying and smashing box, a drying and smashing cylinder assembly is arranged in the secondary drying and smashing box, the drying and smashing cylinder assembly is used for receiving heparin sodium wet solid introduced by a primary drying and smashing box; the drying and smashing cylinder assembly comprises a feeding pipe, a power shaft and a drying and smashing cylinder structure; the drying and smashing cylinder structure comprises a drying and smashing outer cylinder and at least two drying and smashing inner cylinders which are sequentially sleeved; the feeding pipe is communicated to the innermost drying and smashing inner cylinder of the at least two drying and smashing inner cylinders through a hose; the power shaft is used for synchronously driving the drying and smashing outer cylinder and the drying and smashing inner cylinders to rotate; the heparin sodium wet solid can be fully guaranteed to be in full contact with the heating body of the cylinder mesh in the sequentially graded smashing process, which is beneficial to linkage and cooperation of the two processes of drying and smashing, and reduces equipment investment cost and maintenance cost.

The utility model relates to the technical field of precision mould cooling, and disclose a kind of precision mould cooling device, including support block, firm crosspiece, lower mould and upper mould, the inside of support block is equipped with the installation cavity for storing coolant, sliding vertical pole is sealingly slidably installed in installation cavity, the top of sliding vertical pole passes through lower mould and is connected at the bottom of upper mould, water inlet pipe is fixedly installed on the left and right ends above the rear side inner wall of installation cavity respectively, the export end of two water inlet pipes is fixedly installed with micro circulating pump respectively, the other end of two micro circulating pumps is fixedly installed with electromagnetic flow regulating valve respectively, water outlet pipe is fixedly installed on the left and right ends below the rear side inner wall of installation cavity respectively, the export end of two water outlet pipes is fixedly installed with micro radiator respectively, extruding plate is fixedly installed on the bottom of sliding vertical pole, two water inlet pipes are all located above extruding plate, two water outlet pipes are all located below extruding plate.The utility model improves cooling effect.

The invention discloses an axial vibration isolation device of an underwater glider attitude adjusting motor based on an acoustic metamaterial, and belongs to the technical field of underwater equipment noise reduction, and the axial vibration isolation device comprises a vibration isolation piece made of an elastic damping material, and a periodic geometric structure is arranged on a body of the vibration isolation piece and is used for forming an elastic wave band gap for a vibration signal of a specific frequency band; the structural supporting piece is used for installing and supporting the vibration isolation piece; and the flexible transmission part is used for being connected with the transmission shaft and has a secondary vibration absorption function. The vibration isolation piece, the structure supporting piece and the flexible transmission piece are integrated, and efficient vibration isolation is achieved through the band gap characteristic of the vibration isolation piece and cooperative dissipation of the flexible transmission piece on vibration energy. The device is compact in structure, has the functions of torque bearing and vibration reduction, can effectively suppress vibration at the frequency band of 600Hz-1500Hz through parameterization design, has the maximum deformation not exceeding 0.5 mm, is suitable for the axial vibration isolation requirements of posture adjusting motors of underwater gliders of multiple models, and improves the signal acquisition precision of an acoustic sensor.

This invention belongs to the technical field of additive manufacturing technology and discloses an in-situ oxygen-controlled composite scraper and a laser selective melting device equipped with the in-situ oxygen-controlled composite scraper. The bottom of the composite scraper includes a second scraper (16), an air jet unit, and a first scraper (18) arranged sequentially along the powder spreading direction. It has an internal gas storage chamber (15) and a powder drop chamber (19). The first scraper is used to evenly spread the powder raw material to form an initial powder layer. The air jet unit performs in-situ oxidation treatment on the surface of the initial powder layer by spraying oxygen-containing gas. The second scraper is used to level and compact the powder layer after the in-situ oxidation treatment. This invention improves the composition and structure of the composite scraper and utilizes the overall cooperation of the first scraper, the air jet unit, and the second scraper to generate a synergistic mechanism of powder spreading, in-situ oxidation, and secondary compaction, breaking through the process limitation that it is difficult to construct oxide dispersion-strengthened structures in-situ during additive manufacturing.

The application relates to a distributed photovoltaic output control method, device, equipment, medium and program product. The method comprises the following steps: collecting the running state data of a current time window of a transformer area and a distributed photovoltaic access point; calculating a transformer area safety budget value in a next time window; performing consistency constraint processing on the transformer area safety budget value to obtain a final safety budget value; obtaining a final predicted safety margin of a preset future time range according to a historical running state data sequence; determining a safety control parameter according to the relationship between the final predicted safety margin and a preset safety margin threshold; and generating a control instruction according to a preset safety budget allocation rule, the final safety budget value, the safety control parameter and the final predicted safety margin, and instructing a transformer area side terminal to control the output of a distributed photovoltaic unit in the transformer area based on the control instruction. The method can control the output of the distributed photovoltaic unit in a timely manner.

The application discloses a time-domain sensitivity regulation optical fiber sensing method based on dynamic wavelength time mapping. The method in the embodiment of the application is programmable control to the dynamic wavelength tuning process, constructs a nonlinear mapping relationship between the wavelength and the time, forms a time-domain sensitivity window with adjustable position, width and peak value on the time axis, makes the same wavelength change produce an amplified time response in a predetermined time region, and thus realizes active design and engineering regulation of the measurement sensitivity without changing the sensor structure and the intrinsic wavelength sensitivity. The method of the application is suitable for various optical fiber sensing scenes.

This application discloses a die-casting equipment and its processing technology. The die-casting equipment includes a mounting plate, a fixed template, a moving template, a mold closing drive assembly, an injection mechanism, and an exhaust valve. A cavity is formed between the fixed template and the moving template. The injection mechanism is used to transport molten metal to the cavity and guides the flow through an injection channel structure. The injection channel structure includes an injection plate and its internal injection channel. A guide vane assembly is provided inside the channel, which includes spiral guide vanes and a guide core, causing the molten metal to form a spiral flow field. A gas gathering chamber is provided inside the guide core and is connected to the swirling center through an opening slot, allowing gas to enter the gas gathering chamber and achieve gas-liquid separation. The gas gathering chamber is connected to a side exhaust branch and a vacuum pump to improve exhaust efficiency. The injection channel also has a buffer flow stabilizing channel for flow shaping. This structure can reduce porosity, looseness, and air inclusion defects, and improve the die-casting quality.

The utility model discloses a kind of water cooling liquid circulation mechanisms for pipe turning equipment, it is related to machining cooling technical field, including coolant storage tank, delivery pump and temperature regulating device, further including the shunt pipe being communicated with the delivery pump export;The end of the shunt pipe is equipped with multiple nozzles, and each nozzle is connected with shunt pipe by independent flow regulating valve;The valve core of the flow regulating valve is driven by stepper motor, and stepper motor receives signal from controller to adjust valve core opening degree;The liquid outlet direction of the nozzle is towards the working area of turning tool.The utility model provides a kind of water cooling liquid circulation mechanisms for pipe turning equipment, by flow regulating valve and stepper motor, and stepper motor adjusts valve core opening degree according to the signal of controller, to realize the accurate control of coolant flow;This design is suitable for the cooling demand under different working conditions, avoids the fluctuation of cooling effect due to unstable flow.

The present invention discloses a transcranial bionic far-infrared field effect therapeutic apparatus, method, equipment and storage medium, the technical solution of which includes: an inductive transceiver, a coupled resonant circuit and a processor suitable for implementing a computer program; the computer program is loaded by the processor and executes the following steps: receiving a target signal transmitted by the inductive transceiver, wherein the target current is a target signal converted from a target electromagnetic wave received by the inductive transceiver; calling a preset algorithm according to the target signal to calculate and obtain a target wavelength range, and outputting a corresponding frequency coded signal to the coupled resonant circuit according to the target wavelength range, wherein the frequency coded signal passes through the coupled resonant circuit and emits an infrared resonant wave of the target wavelength range through the inductive transceiver. The present invention realizes active regulation of changes in cell membrane potential, so that sodium and potassium ions move in an orderly manner, and effectively strengthens cell metabolism and activity.

The invention discloses a preparation method of a concrete mixture water molecule migration inhibitor. The preparation method comprises the following steps: (1) mixing sephadex and xanthan gum, weighing the mixture, adding the mixture into an aqueous solution of phosphate, and stirring until the mixture is completely dissolved to form a water-retaining solution; (2) weighing a water-retaining solution, putting the water-retaining solution into a stirring device, increasing the rotating speed to be not less than 6000 r / min, slowly adding the modified sodium alginate microspheres, uniformly stirring, extracting the modified sodium alginate microspheres from the stirring device, and standing until the solution is stable to form a concrete mixture water molecule migration inhibitor; the modified sodium alginate microspheres take magnesium hydroxide as a porous structure, and pores are filled with sodium alginate and magnesium sulfate. By adopting the inhibitor, approximate laminar motion is controlled in the early stage of mixture coagulation, diffusion motion is controlled in the later stage of coagulation, internal free water is effectively controlled to excessively migrate to the surface, and adverse effects of migration of water molecules on concrete strength and apparent quality are avoided.

This invention discloses a method and apparatus for removing redundant points in robotic arm path planning. The method includes: acquiring a sequence of original points for the robotic arm's path planning; calculating the shortest distance between each intermediate point in the original path planning sequence and a reference straight line based on the start and end points of the original path planning sequence; constructing a key point set from all original path planning points whose shortest distance values ​​are greater than a preset residual threshold; if the key point set is empty, retaining the endpoints of the current path sequence as feature points; if it is not empty, selecting the optimal segmentation point based on weight parameters, segmenting the current path sequence into subsequences and recursively processing them until all subsequences can no longer be segmented, retaining their endpoints as feature points; and obtaining a set of retained path planning points after removing redundant points based on all feature points. This significantly optimizes the spatial distribution of path points while preserving the original path's key features, providing well-distributed path point input for trajectory planning methods such as multinomial interpolation.

This invention relates to the field of insulator optimization technology, specifically providing an insulator optimization method based on dielectric constant gradient modulation of the spatial electric field. The method includes: establishing a geometric model of the GIS equipment's cavity, central conductor, grounding tank, and insulator working together in a two-dimensional axisymmetric coordinate system; constructing a gradient power function of the dielectric constant varying radially based on the insulator's geometric and material parameters; defining the electric field calculation region; solving the electric field equations using this function and preset boundary conditions to obtain potential and electric field intensity distribution data; optimizing the dielectric constant gradient parameters with electric field coverage and average tangential field strength as dual optimization objectives and maximum field strength along the surface as a constraint, thus completing the insulator optimization. This invention provides an insulator optimization method based on dielectric constant gradient modulation of the spatial electric field, which solves the problem that insulator optimization methods fail to actively modulate the spatial electric field, making it difficult to fundamentally eliminate insulation faults caused by metal particles.

This application relates to the field of batteries, providing a battery cell and its preparation method, a battery device, an electrical device, and an energy storage device. The preparation method of the battery cell includes: providing a cell assembly, wherein the cell assembly is formed by stacking or winding a positive electrode sheet, a separator, and a negative electrode sheet; providing a housing, and placing the cell assembly inside the housing; providing an electrolyte and injecting the electrolyte into the housing; and performing a formation step; wherein the negative electrode sheet includes a current collector, a negative electrode active material, a conductive agent, and a binder, and the binder includes a functional polymer, wherein the functional polymer is formed by chemically bonding a first reaction unit, a second reaction unit, and a third reaction unit to form a molecular network structure. This application can significantly improve the cycle life of the negative electrode, significantly improve the cycle stability and structural integrity of the silicon negative electrode, and provide effective technical support for the practical application of high-capacity lithium-ion batteries.

The application discloses a kind of intelligent gap-adjusting magnetic non-contact flywheel transmission response supervision method and system, belong to flywheel transmission technical field.The method is compared with the preset magnetic force transmission parameter type domain value by sensor acquisition flywheel transmission target response parameter, and abnormal parameter and corresponding time stamp node stage are marked;Response parameter sample cluster is constructed based on parameter type and time stamp, and gap-adjusting characteristic sample cluster is formed by screening;Parameter type and time stamp coding construct gap-adjusting feature, and response error coefficient is evaluated;According to the error coefficient change of adjacent stage, judge the gap-adjusting trend, through the dynamic adjustment of speed regulator flywheel speed, parameter is normal when interrupting speed regulation.The application realizes intelligent gap-adjusting under non-contact transmission, improves transmission accuracy and response real-time, solves the problems such as traditional gap-adjusting lag, depends on artificial, is applicable to flywheel power generation, industrial transmission, new energy equipment and other fields.

The invention relates to the technical field of biological coating preparation, in particular to a calcium-phosphorus coating preparation method and system.The method comprises the steps that a to-be-treated base body in a coating preparation environment is pretreated, a pretreated base body is obtained, a coating base material set is used for obtaining calcium-phosphorus precursor slurry, and the calcium-phosphorus precursor slurry is prepared; the method comprises the following steps: carrying out laser melting on a pretreated matrix and calcium-phosphorus precursor slurry to obtain a molten calcium-phosphorus layer, carrying out cooling crystallization on the molten calcium-phosphorus layer to obtain a target coating, carrying out quality detection on the target coating to obtain a detection result, if the detection result is unqualified, obtaining an abnormal type, and carrying out adjustment preparation on the target coating based on the abnormal type. And if the detection result is qualified, taking the target coating as the qualified coating. According to the invention, the high efficiency and stability of preparation of the calcium-phosphorus coating can be improved.

The invention discloses a room-temperature suspension preparation method of a bromine-lead-cesium crystal, and relates to the technical field of crystal preparation. The method comprises the following steps: preparing a CsPbBr3 precursor solution; suspending the precursor solution by using a single-shaft acoustic suspension device to form suspension droplets; and adjusting sound field parameters to enable the suspension droplets to be subjected to evaporative crystallization, so as to realize the room-temperature preparation of the CsPbBr3 crystal. According to the invention, an ultra-clean container-free state is provided for crystal growth by adopting an acoustic suspension technology. By changing the resonance state and the sound field intensity of the suspension sound field and combining precursor engineering, active regulation and control of the crystallization behavior of the CsPbBr3 crystal and rapid preparation of the CsPbBr3 crystal at room temperature can be realized.

This invention discloses a sintering control process for improving the lead and cadmium leaching rate of ceramic glazes, relating to the field of daily-use ceramic manufacturing technology. The process includes: determining the characteristic dielectric frequency of the glaze to be fired at its critical melting temperature, where the characteristic dielectric frequency corresponds to the frequency of synergistic polarization between lead or cadmium ions and glass network forging ions; heating the product to the critical melting temperature and holding it at that temperature, applying an intermittent pulsed electric field with a frequency equal to the characteristic dielectric frequency; after stopping the electric field, subjecting the glaze melt to temperature cycling treatment, applying periodic temperature fluctuations at a reference temperature; and after the last half-cycle of cooling, rapidly cooling through the glass transition temperature zone, followed by slow cooling to room temperature. This invention, through the synergistic control of characteristic frequency electric field writing, temperature cycling screening, and gradient rapid freezing, significantly reduces the lead and cadmium leaching rate of the glaze surface without changing the glaze formulation, increasing the maximum firing temperature, or extending the production cycle.