45results about How to "Strong process controllability" patented technology

The application relates to an acetic acid-regulated sodium metaaluminate-doped calcium-aluminum-phosphorus defluorination material based on eggshell, a preparation method and application thereof, and belongs to the technical field of defluorination water treatment. The method is as follows: eggshell powder, a phosphorus source and sodium metaaluminate are added into a mixed solvent composed of acetic acid and water, mixed and dispersed to form a uniform reaction system; the pH of the reaction system is adjusted to be alkaline; the adjusted reaction system is transferred into a closed reaction container to perform a solvothermal reaction; after the reaction is completed, the obtained solid product is separated and washed; and the washed product is dried. In the application, acetic acid is used for regulating the dissolution and conversion of the eggshell calcium source and the material crystallization process, sodium metaaluminate is used for introducing aluminum components and adjusting the material structure, so as to construct an Al-Ca-P synergistic defluorination system. The obtained material can be used for removing fluorine ions in fluorine-containing water bodies. The application has the dual characteristics of resource utilization of waste eggshells and preparation of defluorination functional materials, and has the advantages of simple process, easily-obtained raw materials and high application value.

This invention discloses a compound preparation for treating vascular dementia and its preparation method. The active pharmaceutical ingredient consists of protopanaxadiol and gallic acid in a 1:1 mass ratio, and the dosage form is liposomes. The preparation method includes extraction, mixing, liposome preparation, and optional freeze-drying steps: protopanaxadiol and gallic acid are extracted and purified from ginseng rhizome and Terminalia chebula fruit, respectively. After mixing, they are combined with phospholipids and cholesterol to prepare a lipid membrane. The membrane is then homogenized by hydration, low-temperature ultrasound, and high-pressure microfluidic jet to obtain a homogeneous liposome suspension, which can be further freeze-dried into a freeze-dried powder. The 1:1 composition of protopanaxadiol and gallic acid targets multiple points on the pathological mechanism of vascular dementia, showing significant therapeutic effects and broad application prospects. This preparation uses a liposome dosage form to improve the bioavailability of the active ingredient, the preparation process parameters are controllable, the active ingredient has high purity, the liposomes have uniform particle size, high encapsulation efficiency, and good stability.

The utility model discloses a valve mechanism of micro -fluidic chip, including the upper valve disc of installing in the inside of micro -fluidic chip, the integral molding of a plurality of connecting columns of upper valve disc bottom end and the integral molding of a plurality of connecting column bottom end lower valve seat, the inside of lower valve seat is provided with a plurality of both ends all through to the arc drainage cavity of lower valve seat outside. Upper valve disc, lower valve seat in the utility model are driven by outside micro -motor and rotate in micro -fluidic chip, and the arc drainage cavity in lower valve seat is communicated with the corresponding flow passage in micro -fluidic chip, and the elastic retreat -stopping structure, the anti -slip groove maintain the rotation angle of upper valve disc, lower valve seat.

This invention discloses a downhole porous medium combustion heater, comprising an inlet chamber shell, a combustion chamber shell, and an exhaust chamber shell. The inlet chamber shell, combustion chamber shell, and exhaust chamber shell each form an inlet chamber cavity, a combustion chamber cavity, and an exhaust chamber cavity, respectively. An air inlet is located at the top of the inlet chamber cavity, and a stainless steel wire mesh is installed at the top of the inlet chamber cavity. A first porous alumina straight-hole mesh gasket is installed at the bottom of the inlet chamber cavity. Porous alumina particles are filled between the stainless steel wire mesh and the first porous alumina straight-hole mesh gasket within the inlet chamber cavity. This invention overcomes the problems of low heating efficiency, short service life, and high energy consumption of traditional electrically heated downhole heaters, while also solving the technical bottlenecks of difficult control and low recovery rate of conventional combustion heaters. The device utilizes convective heat transfer to transfer heat to the reservoir, significantly improving the heat transfer rate and energy utilization efficiency.

This invention discloses a data analysis-based method for early warning of production risks in LCD displays, belonging to the field of production risk early warning technology. This data analysis-based method acquires process execution sequence data and adhesive layer reflection signal data for each LCD display; performs joint deconstruction processing on the process execution sequence data to obtain LCD bonding conduction resistance characteristic values; decomposes the adhesive layer reflection signal data to obtain adhesive layer reflection sub-signals at each scale; and analyzes LCD adhesive layer reflection defect characteristic values ​​based on a pre-trained adhesive layer reflection mapping model. This invention uses the LCD bonding conduction resistance characteristic values ​​and LCD adhesive layer reflection defect characteristic values ​​after feature normalization mapping processing to perform joint production risk early warning processing on a set production batch, thereby enabling timely early warning of minor process fluctuations and hidden material defects that may occur during production, ensuring the quality of the final product.

This invention belongs to the field of metal rust prevention technology, specifically relating to an environmentally friendly water-based rust-preventive composition, its preparation method, and its application. The composition comprises, by weight, 3-8 parts of a first triazine compound, 1-5 parts of a second triazine compound, 10-20 parts of 2-amino-2-methyl-1,3-propanediol, 2-5 parts of dipropylene glycol monomethyl ether, and 65-85 parts of water. The first triazine compound is a triazine compound having substituents containing hydrophobic segments and at least two aminocarboxylic acid substituents, and the second triazine compound is a triazine compound having thiol substituents. This invention forms a dual-anchored protective film on the metal surface through the two triazine compounds, exhibiting excellent salt spray resistance, damp heat resistance, and film density. It achieves a salt spray test duration of 72 hours, a damp heat test duration of 960 hours, and an adhesion rating of 0. Furthermore, it is free of nitrites, phosphates, and heavy metals. The preparation method is simple, suitable for industrial production, and can be widely applied to metal rust prevention in machinery manufacturing, automotive parts, and other fields.

This invention discloses a five-layer electrodeposited high-sealing corrugated pipe based on ultrasound assistance and its preparation method, belonging to the technical field of metal corrugated pipe manufacturing. It aims to solve the problem that in multi-layer electrodeposited corrugated pipes, it is difficult to effectively coordinate current density, surface quality, and interfacial bonding strength, leading to insufficient densification of the deposited layer, unstable interlayer bonding, poor wall thickness uniformity, and failure to meet airtightness standards, ultimately resulting in poor overall performance stability. This invention includes a five-layer composite structure in which the pipe wall is composed of alternating nickel-cobalt alloy and copper layers. Each layer of the five-layer composite structure undergoes ultrasonic vibration treatment during deposition. The corrugated pipe prepared by this invention has a uniform and dense deposited layer with good interlayer bonding. The five-layer alternating deposition layer composite structure not only achieves uniform stress transmission and dispersion, effectively delaying crack propagation and interfacial penetration, but also improves the uniformity of wall thickness distribution, enabling the corrugated pipe to exhibit higher structural stability and long-term reliability in a sealed environment.

The invention discloses a preparation method of a loose body based on an optical fiber preform, and relates to the technical field of optical fiber processing. The method comprises the following steps: SS01, depositing a barrier layer by adopting an MCVD (modified chemical vapor deposition) process; sS02, multi-time deposition of a loose core layer is conducted through the MCVD deposition technology; sS03, preparing a doping solution containing rare earth ions and aluminum ions; sS04, off-line solution doping is carried out, and a vacuum pressurization alternate driving mode is adopted in the doping process. The porosity of the loose core layer is gradually reduced from inside to outside, a permeation resistance gradient is formed, the high porosity of the inner layer provides sufficient permeation channels, the low porosity of the outer layer plays a role of a barrier layer, rare earth ions are prevented from being adsorbed by the surface layer too early and exhausted in the doping process, and the rare earth ions are prevented from being adsorbed by the surface layer too early and exhausted through the forced permeation effect of vacuum pressurization alternate driving. Dissolved gas is discharged through vacuumizing operation after each stage of pressurization, space is vacated for next-stage permeation, and the rare earth ions are evenly distributed in the radial direction of the loose body.

The application discloses a bone marrow cell recognition result merging and counting method and system based on a double-space ontology constraint model. The method acquires a single cell record set, loads a statistical rule model containing a fine-grained label space, a clinical statistical space, a merging relationship, a denominator caliber relationship, an abnormal isolation relationship and a rule version identifier, forms a conversion path constrained by the rule version identifier, after rule integrity verification, maps an original fine-grained category to a clinical statistical node, determines a denominator caliber type and divides a denominator set, and generates an independent abnormal statistical item record; generates a clinical statistical result data set according to the clinical statistical node, the denominator set and the independent abnormal statistical item, and forms a reversible traceable data set. The application can reduce statistical denominator mixing, retain abnormal morphological characteristics, support rule version traceability, model upgrade compatibility and artificial correction incremental recalculation.

This invention discloses a high-efficiency halogen-free flame-retardant tape and its preparation method. The flame-retardant tape has a layered structure composed of layers from top to bottom, with each layer consisting of a flame-retardant acrylic adhesive layer and a release paper layer from top to bottom. The flame-retardant acrylic adhesive layer is a dense, non-porous film layer, in which phosphorus-based and nitrogen-based halogen-free flame-retardant components are uniformly distributed in the acrylic adhesive matrix. The flame-retardant acrylic adhesive layer completely covers the surface of the release paper layer, forming a tightly bonded integrated structure. This ensures that the flame-retardant acrylic adhesive layer forms a dense, continuous, and non-porous structure, and that the phosphorus-based and nitrogen-based halogen-free flame-retardant components are uniformly distributed in the adhesive matrix, significantly improving the overall structural stability and flame-retardant performance of the tape. This invention focuses on innovation in process flow and calculation steps, without requiring complex mechanical adjustments, resulting in strong process controllability, excellent batch-to-batch performance consistency, and suitable raw material costs for large-scale production.

The application relates to the field of advanced structural ceramics, and particularly discloses a gel injection molding method for preparing high-performance silicon nitride ceramics and a preparation method thereof. Raw materials include beta-SiN submicron powder 75 parts, YO submicron powder 8 parts, TiC submicron powder 5 parts, AlO superfine powder 5 parts, ZrO submicron powder 2 parts and wollastonite 5 parts in terms of mass ratio, a complex whisker regulator and an entry liquid are used, and ceramics are prepared through gel injection molding, dehydration, degreasing and gas pressure sintering. The grain morphology and interface combination are optimized through the whisker regulator, the slurry dispersion and the green body uniformity are improved through the entry liquid, and the product has a density greater than or equal to 99%, a Vickers hardness greater than or equal to 1700HV and a bending strength greater than or equal to 930MPa through 1700-1850 DEG C. gas pressure sintering, and the product has high density, high hardness, high toughness, wear resistance, corrosion resistance and long service life.

The application discloses a kind of FeCoNi nanoparticle loaded yeast-derived carbon composite wave-absorbing materials and preparation method thereof.The method uses yeast as biomass carbon source, and yeast-derived carbon is obtained by hydrothermal carbonization;Then, the three-metal precursor salt (Fe2+, Co2+, Ni2+) is dissolved in the solvent according to a certain mass ratio with yeast-derived carbon, and FeCoNi nanoparticles are in-situ loaded on the surface of yeast-derived carbon by hydrothermal impregnation method, and the composite wave-absorbing material is obtained after drying and inert atmosphere heat treatment.The FeCoNi nanoparticles in the obtained material are uniformly dispersed on the surface of carbon material, and the synergistic effect of dielectric loss and magnetic loss is utilized to achieve excellent electromagnetic wave absorption performance.The method is simple, low in cost, and requires small equipment, and the prepared material is environmentally friendly, sustainable, and has strong controllability, etc., and is suitable for radar stealth field.

This invention provides a method for preparing hydrogen and sulfur from solid waste gypsum through reduction and acidification in a cement kiln, relating to the field of solid waste disposal technology. The method involves targeted local modifications to a novel dry-process cement clinker rotary kiln production system. Using desulfurized gypsum, phosphogypsum, and other solid waste gypsum as raw materials, the gypsum is crushed, ground, preheated, and dehydrated. Then, it is calcined in a modified three-lobe gravity semi-suspended rotary kiln at 800–1100℃ in a reducing atmosphere to generate high-purity calcium sulfide. After sealed cooling, the calcium sulfide reacts with byproduct hydrochloric acid to produce high-purity hydrogen sulfide. The hydrogen sulfide is then used to co-produce hydrogen and sulfur via a medium-assisted electrochemical decomposition method, or high-purity sulfur can be directly prepared using the Claus process. This invention achieves full resource utilization of solid waste gypsum using existing cement kiln equipment, requires minimal modification, has low investment costs, and enables the cascade utilization of CO waste gas and kiln waste heat, reducing overall energy consumption by more than 30% compared to traditional processes.

The application discloses a method for preparing semi-hydrated calcium sulfate whiskers by directional conversion of calcium-based components of waste incineration fly ash, and relates to the field of solid waste treatment. The application aims at the industry pain point of harmless disposal of waste incineration fly ash, and the core defect that the existing fly ash-based calcium sulfate whisker preparation technology cannot stably prepare high-purity high-aspect-ratio single-phase semi-hydrated calcium sulfate whiskers. Through a controllable process of "acid leaching calcium-precursor generation-ultrasonic assistance-hydrothermal conversion", the synergistic effect of harmless disposal and high-value utilization of waste incineration fly ash is realized, and the method has remarkable environmental benefits, economic benefits and industrial application value.

This application provides a dual-temperature zone differentiated melt mixing injection molding method for medical implants and an implant, belonging to the field of injection molding technology. The method includes: S1, feeding raw materials into two independently temperature-controlled chambers; the first chamber controls the temperature to fully melt the raw materials, while the second chamber controls the temperature to keep the raw materials in a semi-molten state with solid-liquid coexistence; S2, simultaneously feeding the two states of raw materials into a mixing chamber to mix them, dispersing the semi-molten components within the fully molten matrix to form a mixed melt with a differential distribution of melt degree; S3, injecting the mixed melt into a mold to form the medical implant. This application improves the dimensional stability and structural consistency of the medical implant through differentiated control and stable retention of the initial phase.

This invention provides a booster stage rotor structure and a compressor. The rotor structure includes: a fan shaft; a drum assembly fitted onto the fan shaft, including a front drum cantilever and a rear drum cantilever spaced apart along the axial direction of the fan shaft; one end of the front drum cantilever is provided with a front support portion fitted onto the fan shaft, and one end of the rear drum cantilever is provided with a rear support portion fitted onto the fan shaft, the rear support portion being located on the side of the rear drum cantilever away from the front drum cantilever; and a plurality of rotor blades arranged sequentially along the axial direction, with the rotor blades mounted on both the front and rear drum cantilever arms. This design, in a first aspect, shortens the cantilever length, significantly reducing instability at the cantilever end; and in a second aspect, torque transmission positions are provided between the fan shaft and the front drum cantilever, and between the fan shaft and the rear drum cantilever, resulting in smoother and more reliable rotation of the drum assembly.

The present application belongs to the technical field of printed circuit board manufacturing, and discloses a method for laser drilling stepped blind via and a printed circuit board. The method sets a stepped sequence of hole diameters of the blind via to be processed; adopts a via processing mode to set different via rates from the outer ring to the inner ring of the hole, thereby forming a stepped via rate distribution; implements stepped via processing; for the smallest hole diameter, a fixed basic via rate is adopted for processing, and on the basis of the via rate of the smallest hole diameter, one more processing ring is added inward, and the processing ring is added inward on the basis of the via rate of the previous hole diameter; and hole type quality is evaluated. The present application reduces processing cost: under the premise of ensuring quality, the processing time is reduced, the equipment operation cost and the labor cost are reduced, and the production efficiency is improved. The process is controllable: the setting of the stepped via rate has clear design rules and parameter basis, facilitating process standardization and quality control.

This utility model relates to a water pump for a dental irrigator, comprising a pump housing; a drive motor is fixedly installed inside the pump housing, and a transmission gear is fixedly installed at the output end of the drive motor; a circular rotating plate is provided inside the pump housing, and the circular rotating plate has end face teeth; a base is provided on the circular rotating plate, and a working contour surface is provided on the base; a pump body is also provided inside the pump housing, and a drive rod is provided on the pump body; the working contour surface is composed of one or more adjacent and connected arc-shaped contour surfaces; the drive rod forms surface contact or line contact with the arc-shaped contour surface; the arc-shaped contour surface includes a return arc-shaped surface, a first stop arc-shaped surface, a lift arc-shaped surface, and a second stop arc-shaped surface; the return arc-shaped surface and the lift arc-shaped surface are eccentrically positioned with respect to the circular rotating plate; the two sides of the second stop arc-shaped surface are respectively connected to the lift arc-shaped surface and the lift arc-shaped surface, or the two sides of the second stop arc-shaped surface are respectively connected to the lift arc-shaped surface and the return arc-shaped surface on the adjacent arc-shaped contour surface. This utility model has an ingenious structure and is convenient and practical.

The present application relates to the technical fields of new fuel auxiliary equipment, in particular to a kind of new fuel storage container internal partition plate welding auxiliary device;Technical scheme: a kind of new fuel storage container internal partition plate welding auxiliary device, including electric push cylinder, base frame assembly, connecting plate assembly, traction assembly and support assembly, electric push cylinder is installed on base frame assembly, connecting plate assembly is connected with the push rod end of electric push cylinder, traction assembly includes steel wire rope main body and screw thread tightener;The support plate between the tank body and the partition plate is embedded in the present application, the accurate positioning of the partition plate is realized and the continuous support is provided during welding process, effectively inhibits welding deformation, simultaneously by electric push cylinder pulling support plate synchronous movement, realize micro straightening, significantly improve welding quality and size consistency.

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 invention discloses a titanium alloy surface laser cladding wear-resistant and self-lubricating coating suitable for a high-load environment and a preparation method thereof. The method comprises the following steps: 1, grinding, polishing, cleaning and preheating the surface of a titanium alloy substrate; secondly, titanium powder, titanium carbide powder and silver powder are subjected to ball-milling mixing and then dried, and composite powder is obtained; thirdly, the composite powder is conveyed to a titanium alloy base material cladding area, laser cladding is conducted, and a cladding piece is obtained; and fourthly, the cladding part is subjected to slow cooling treatment, and the wear-resistant and self-lubricating coating is obtained. By controlling the content of each component and adopting the high-energy ball milling and laser cladding processes, a fine Ag lubricating phase is uniformly introduced into a high-hardness Ti-TiC coating system, dispersed distribution of Ag elements is realized, microscopic segregation is remarkably inhibited, and the composite coating which is uniform and compact in structure, high in hardness and low in friction coefficient is prepared on the surface of the titanium alloy. And the service reliability and the service life of the titanium alloy key component under the high-load working condition are remarkably improved.

This invention discloses a cross-platform heterogeneous unmanned equipment integrated command system, including a platform side and an equipment side, which communicate with each other through an interconnected patrol operation network. The platform side is equipped with a platform-side command module and a cloud-based intelligent planning module. The equipment side is equipped with a unified robot access node, which is implemented in the form of a software package. The platform side also has a controller and listener mechanism, which achieves closed-loop cooperation through a unified state space field and a unified event semantics. This invention solves the problems mentioned in the background art, such as the difficulty in unified scheduling of collaborative tasks, control source switching conflicts, and discontinuous control and feedback under link changes, by cooperating the platform-side command module, the unified robot access node on the equipment side, and the cloud-based intelligent planning module. It achieves unified scheduling and collaboration of tasks without relying on vendor-specific closed-loop systems.

The application belongs to the technical field of digital agriculture, and particularly relates to a blockchain traceability data management platform for digital agriculture, wherein the system comprises an agricultural product supply chain informatization module, a trust value quantification module, a two-dimensional code generation module, a local two-dimensional anti-fraud verification module and a traceability query module. The scheme constructs a distributed blockchain ledger network suitable for the agricultural product supply chain, allocates unique on-chain identity and permission to each link participant, generates a basic two-dimensional code bearing core data through a two-dimensional code generation library, triggers a smart contract to calculate a trust value in real time and uploads the trust value to the chain during traceability query, calculates a local hash value by extracting an on-chain identity embedded in a two-dimensional code to be detected, and compares the local hash value with a preset authorization list to complete legality verification, realizes real-time two-dimensional anti-fraud verification of the two-dimensional code without network dependence, can accurately trace and immediately intercept a counterfeit behavior, and provides a full-process anti-counterfeiting and traceable trust guarantee for agricultural product traceability.

This invention provides a role-based multi-dimensional performance management system and method, relating to the field of enterprise information management technology. The system includes configuring functional permissions and data permission rules based on user roles; generating data filtering conditions based on the data permission rules corresponding to user roles and the organizational dimension field in core business data records to limit the data scope accessible to user roles; obtaining performance appraisal schemes configured for at least one user role; collecting business data from related business modules based on data source identifiers; and calculating and generating performance results according to scoring formulas. When key data affecting performance results changes, a change record is generated, the historical version of the original record is retained, and a confirmation process is triggered. Upon confirmation, the performance results are updated; upon rejection, the performance results before the change are maintained. This invention enables data permission control for different user roles, performance result calculation, and result management after changes to key data.

The invention discloses a molybdenum-rhenium alloy and a preparation method thereof. Belongs to the alloy field. The preparation method of the molybdenum-rhenium alloy provided by the invention comprises the following steps: smelting molybdenum-rhenium-lanthanum oxide alloy powder by adopting a vacuum electric arc to prepare a molybdenum-rhenium alloy casting blank; machining the molybdenum-rhenium alloy casting blank to obtain a molybdenum-rhenium alloy plate; the molybdenum-rhenium alloy plate is subjected to pre-strain plastic deformation treatment at the temperature of 25-1500 DEG C, and the molybdenum-rhenium alloy is obtained; the pre-strain plastic deformation treatment comprises the following steps: unloading to a zero stress state after applying 0.25%-2.5% of pre-strain quantity each time, and circulating for 100-1000 times. According to the molybdenum-rhenium alloy for improving the alpha texture strength through the deformation cumulative effect, the strength of the molybdenum-rhenium alloy with the low rhenium content is remarkably improved, the dosage dependence of rhenium resources is greatly reduced, and the production cost is reduced.

The utility model relates to ink filling technology field, and disclose automatic ink filling and labeling all -in -one, including work table, still include piston cylinder, piston cylinder fixedly connected at work table top, one end of piston cylinder is fixed and has the switch valve of intercommunication, the top of switch valve is fixed and has the ink fountain of intercommunication, the other side of switch valve is fixed and has the ink injection pipe of intercommunication, and work table top is provided with the liquid guide portion that transports the ink in ink fountain to the ink injection pipe in, the utility model discloses through the sliding of piston block in piston cylinder, cooperate the setting of switch valve, first, then by piston cylinder is transported to the ink injection pipe from the ink in ink fountain suction, cooperate the setting of jacking pneumatic cylinder and gravity sensor, the weighing of ink jar is carried out, then the ink in ink injection pipe is injected to the ink in ink jar, realizes accurate quantitative filling, ensures the filling quality, and also can judge the function of quantitative solenoid valve whether there is a fault through weighing data, so as to carry out timely repair.

This invention provides a controllable image description method, system, device, and medium based on multimodal fusion. The method includes the following steps: based on the original image features X... ν * and object regression box features X ν b The images are fused to generate sample image features X. ν Extract each word from the labeled language text, and label and positionally encode the extracted words to generate sample text description features X. w Generate a trajectory regression box based on the mouse trajectory segment, and generate sample trajectory features X based on the trajectory regression box. r Using a pre-built TO-Transformer feature fusion model, the sample image features X are processed. ν The sample text description feature X w and the sample trajectory feature X r Feature fusion is performed to generate sample fusion features; based on the sample fusion features, a controllable image description model is generated using a pre-built output model, thereby effectively improving the controllability and efficiency of image description.

The application provides a product quality prediction method and a product quality prediction device, wherein the method comprises: inputting raw material physical properties into a first prediction model to obtain product quality simulation parameters of a target product, the first prediction model being used to characterize a process of adding the raw material physical properties into a reactor for polymerization to generate the product quality simulation parameters of the target product; determining operating parameters according to the raw material physical properties and the product virtual parameters; and predicting product quality prediction parameters in the polymerization to generate the target product by using a second prediction model based on the product quality simulation parameters and the operating parameters. The application takes the product quality simulation parameters and the operating parameters output by the first prediction model as input parameters of the second prediction model to predict the product quality prediction parameters in the polymerization to generate the target product, thereby improving the accuracy of predicting the product quality prediction parameters of the target product.

The application belongs to the technical field of luminescent materials, and particularly relates to a preparation method of pure green light fluorine-doped perovskite quantum dot solution. Formamidinium bromide solution, PbBr2 solution, a ligand and a light coupling agent are uniformly mixed to obtain a precursor solution; the precursor solution is added into an anti-solvent, stirred and reacted, a terminating agent is added to terminate the reaction, centrifugal separation is carried out, a solid is obtained, a solvent is added into the solid and uniformly mixed, centrifugal separation is carried out, filtration is carried out, and a colloidal solution is obtained; a fluorine dopant is added into the colloidal solution to react, reaction is carried out under ultraviolet light irradiation, centrifugal separation is carried out, a solid is obtained, a solvent is added into the solid and uniformly mixed, and the pure green light fluorine-doped perovskite quantum dot solution is obtained. In the application, the light coupling agent and the fluorine ion synergistically act, the prepared pure green light fluorine-doped perovskite quantum dot solution has excellent thermal stability, can realize green light emission in the range of 525-535 nm, has great commercial application potential, the preparation method is simple and easy to operate, the process is stable, and the process flow is controllable.