187results about How to "Complete structure" patented technology

The invention belongs to the technical field of photocatalysts, and particularly discloses a CoMo6 / Fe3O4 (at) ZnO composite material and a preparation method and application thereof.The photocatalytic mechanism of the prepared CoMo6 / Fe3O4 (at) ZnO composite material is as follows: after the composite material CoMo6 / Fe3O4 (at) CeO2 is excited by light, photo-induced electrons on CoMo6 are transferred to the surface of Fe3O4 (at) ZnO, meanwhile, photo-induced holes absorb an electron donor H2O on the surface of POM polyanions to react to generate. OH, and the CoMo6 / Fe3O4 (at) ZnO composite material is obtained. The. OH free radical with strong oxidation capability oxidizes eosin B to generate oxidation products such as CO2 and the like. In the experiment, a small amount of electrons absorb an electron acceptor O2 and reduce the electron acceptor O2 to generate. O2 <->, and the two free radicals act at the same time to promote the photocatalytic reaction. When a magnetic field is added outside, the oxidation capacity and rate of. OH are also accelerated, so that the degradation rate of eosin B is improved; the highest degradation rate on an eosin B dye can reach 92.21%; after an external magnetic field is applied, the degradation rate is obviously accelerated, and the reaction is almost complete 40 minutes after illumination is started.

The invention discloses a confocal laser microscope detection method for micro-plastic surface biofilm components and biomass, and belongs to the field of micro-plastic pollution monitoring. The method comprises the following steps: carrying out stratified sampling and polymer component identification on micro-plastic in an environmental water body; the method comprises the following steps: marking algae, blue-green algae, bacteria and extracellular polymeric substances in a biological membrane through specific fluorescent staining, carrying out high-resolution three-dimensional imaging by utilizing a confocal laser microscope, and realizing batch quantitative analysis of each component of the biological membrane by adopting ImageJ software. The technical problems that an existing detection method is insufficient in parameter dimension, evaluation result deviation is caused only based on partial component quantification, and the influence of the overall structure of the biological membrane on the micro-plastic migration behavior cannot be truly reflected are solved. According to the method, the biomass and spatial distribution of each component of the biological membrane can be comprehensively and accurately quantified, the accuracy of analyzing the vertical migration mechanism of the micro-plastic is improved, and multi-dimensional data support is provided for ecological risk assessment.

The invention discloses an LLM-based automatic table filling method and device, equipment and a medium, and relates to the technical field of data processing. The method comprises the steps of obtaining a to-be-filled table in a to-be-filled document, and recording the position of the to-be-filled table; obtaining a to-be-filled text input by a user; analyzing the to-be-filled table, and converting the to-be-filled table into an HTML format to obtain a first HTML table; the first HTML table, the text to be filled and a preset Prompt template are spliced and input into an LLM large model; analyzing an entity-attribute relationship between a header field in the first HTML table and the to-be-filled text through an LLM large model; automatically filling the first HTML table to obtain a second HTML table; and inputting the second HTML table to the recorded position to obtain a filled document. By implementing the technical scheme provided by the invention, the accuracy of automatic table filling can be improved.

This invention discloses the preparation of nitrogen-containing heterocyclic aluminum-based metal-organic framework materials and their application in methane adsorption. The metal-organic framework material is Al-PyDC or Al-PzDC, wherein Al-PyDC is formed by the coordination of aluminum ions with 3,5-pyridinedicarboxylic acid, and Al-PzDC is formed by the coordination of aluminum ions with 3,5-pyrazoledicarboxylic acid. The Al-PzDC material prepared by this invention achieves an adsorption capacity of 43.99 cm⁻¹ for methane at 273 K and 1 bar. 3 The adsorption capacity showed no significant decrease after 10 adsorption-desorption cycles, demonstrating excellent separation performance for methane and nitrogen mixtures. The metal-organic framework material synthesis method provided by this invention is simple, mild, and environmentally friendly, showing promising application prospects in the adsorption and separation of methane and nitrogen in coalbed methane.

The invention discloses a creativity evaluation situation controllable automatic generation method and system based on evolution optimization, and belongs to the technical field of intelligent education. According to the method, a closed-loop process of hierarchical constraint planning-Monte Carlo sentence level generation-evolution variation screening-simulation evaluation feedback iteration is adopted, a situation outline is planned firstly, then a seed text is generated, diversity and quality are optimized through Map-Elites, and a high-quality text is screened in combination with virtual evaluation feedback iteration. The system comprises a user request module, a data loading module, a model generation module and an interaction module. The problems that existing situation generation depends on experts, efficiency is low and controllability is insufficient are solved, the assessment situation with the complete structure and high adaptability is automatically generated, development cost is reduced, and large-scale standardized assessment is assisted.

This invention belongs to the technical field of lithium battery anode materials, specifically relating to a highly conductive graphite electrode material and its preparation method. The preparation method includes: pre-dissolving sodium carboxymethyl cellulose into a gel solution, then ball-milling and mixing graphite and conductive carbon black, dispersing them together with a cobalt hexacyanorubium(II)-dodecyltungstencobalt(III) salt hybrid material and hafnium diboride nanomaterials in the gel solution, adjusting the acidity, adding styrene-butadiene rubber emulsion to obtain a uniform slurry, and then coating, drying, and compacting to obtain the anode sheet. This invention significantly improves the conductivity and structural stability of the graphite anode through the synergistic effect of the interface modification of the cobalt hexacyanorubium(II)-dodecyltungstencobalt(III) salt hybrid material and the conductive framework of the hafnium diboride nanomaterials. The process is safe and controllable, and suitable for industrial production of lithium-ion batteries.

The utility model relates to the technical field of ecological environment-friendly tools, in particular to an ecological environment-friendly slope protection frame and mold, which comprises a plurality of slope protection frame shells, the slope protection frame shells are sequentially spliced and laid on slope edges, two inner cavities are arranged in the slope protection frame shells, and an upper planting area and a lower planting area are arranged in the inner cavities. The upper planting groove and the lower planting groove are the same in structure, and an anti-skid layer is arranged on the inner wall of the upper planting groove. In the ecological environment-friendly slope protection frame and the mold, the upper-layer planting area and the lower-layer planting area are arranged in the slope protection frame shell, compared with a traditional single-layer planting area, the plant growth space is remarkably enlarged, more types and numbers of plants can be planted, more dense vegetation coverage is formed, and the ecological restoration function of the slope protection is enhanced. Meanwhile, the anti-skid layer on the inner wall of the upper-layer planting groove can effectively prevent soil from slipping off after plants are planted, and the stable growth environment of the plants is guaranteed; the bottom water leakage holes facilitate water drainage, and water accumulation is prevented from affecting plant root growth.

The application provides a preparation method of a binder, the binder is prepared from modified polyacrylonitrile through a cross-linking reaction and post-treatment; the modified polyacrylonitrile is a hydrolysis product of polyacrylonitrile, and the cross-linking agent of the cross-linking reaction is epichlorohydrin. The application also provides corresponding binders, lithium ion battery negative electrodes, lithium ion batteries and electrochemical devices. The binder of the application can significantly improve the cycle stability and rate performance of the battery, and the effect is particularly significant for a silicon negative electrode with large volume expansion. The preparation process of the binder of the application has the advantages of simple operation and low cost, and is easy to realize industrial production.

This invention relates to a method and system for automated generation of TSN network configurations based on a reflective agent. The system comprises a network state perception and intent reflection module, a YANG model configuration parameter and structure decision module, and a YANG model intelligent generation module. The network state perception and intent reflection module is responsible for structurally perceiving network state and resource information. The YANG model configuration parameter and structure decision module integrates multi-source knowledge and contextual information, intelligently generating deployable TSN scheduling parameters and YANG configuration structures based on business needs. The YANG model intelligent generation module automatically generates the corresponding YANG configuration model based on the optimized results, performs syntax and semantic verification, and then distributes it to the target device, achieving automated deployment of network configurations. This invention significantly improves the intelligence level and deployment automation capability of TSN network configuration by introducing reflective reasoning and feedback optimization techniques.

The invention relates to solid waste resource utilization and carbon material preparation, and discloses a carbon material with graphite recycled from waste lithium ion batteries as a raw material and a preparation method of the carbon material. The method comprises the following steps: S1, dispersing graphite powder recovered from the waste lithium ion battery into absolute ethyl alcohol to obtain a graphite suspension; the preparation method comprises the following steps: dispersing graphene oxide powder in ultrapure water, and carrying out ultrasonic treatment to obtain graphene oxide dispersion liquid; mixing the two mixtures; s2, drying the mixed slurry; adding a binder phenolic resin and absolute ethyl alcohol into the dried powder, and carrying out ball milling; s3, performing vacuum drying, crushing and sieving on the ball-milled slurry to obtain composite powder; the composite powder is firstly subjected to mold pressing preforming and then subjected to isostatic pressing forming, and a green body is obtained; and S4, curing and roasting the green body, carrying out graphitization treatment at the temperature of 2000 DEG C or above, and cooling to obtain the carbon material. According to the method, deep repair of the surface and interlayer defects of the recycled graphite is realized.

This application discloses a door sill assembly and a vehicle. The door sill assembly includes: a pedal for providing foot support for passengers and / or items getting on and off the vehicle; a door sill beam extending continuously along the side of the vehicle body; and a pedal mounting beam located above and connected to the door sill beam. The pedal mounting beam has an opening for providing movement space for the pedal, allowing the pedal to extend out of the vehicle and retract into the vehicle through the opening. This application provides space for mounting the pedal while ensuring the door sill beam's load-bearing capacity is not affected.

This application discloses a high-coverage calcium carbonate-titanium dioxide composite pigment and its preparation method. The composite pigment includes a calcium carbonate core layer and a titanium dioxide shell layer coating the outer surface of the calcium carbonate core layer. The calcium carbonate core layer is obtained by sequentially acid-activating and modifying a calcium carbonate base layer with a hydrophilic additive. The hydrophilic additive is selected from at least one of polyhydroxy compounds, polyelectrolytes, or small molecule surfactants. The small molecule surfactant contains carboxyl or sulfonic acid groups, and its molecular weight is ≤1000. The calcium carbonate-titanium dioxide composite pigment provided by this application exhibits a strong interfacial bond between calcium carbonate and titanium dioxide, and the titanium dioxide shell layer is not easily detached, resulting in high titanium dioxide utilization and fully leveraging the high hiding power of titanium dioxide to improve the hiding power of the composite pigment. Furthermore, the strong interfacial compatibility between calcium carbonate and titanium dioxide and excellent dispersion stability in aqueous systems improve the applicability of the composite pigment in aqueous systems.

The utility model relates to the technical field of disc type separator, concretely is a disc type separator slagging-off port protection structure, including the drum, the slagging-off port that opens on the lateral wall of drum and installs the protection piece on the slagging-off port, the slagging-off port is evenly distributed along the circumference of drum, the protection piece includes the connecting section and respectively located big bending section and small bending section of the both ends of connecting section, connecting section, big bending section and small bending section integrated, the protection piece sets up between two adjacent slagging-off ports, big bending section is connected in one of the lateral wall of slagging-off port, small bending section is connected in the lateral wall of adjacent slagging-off port, and the connecting section is located in the inside of drum, this scheme can block the solid material impact slagging-off port in disc type separator, reduces the wear and deformation of slagging-off port, prolongs the service life of drum, and the structure is simple, effectively promotes the dismounting convenience, reduces the installation maintenance cost.

The application relates to the technical field of pipe extrusion, in particular to a power-saving furnace for seven-hole plum-blossom pipe extrusion forming with adjustable extrusion pipes, which comprises an extrusion furnace for melting materials and a pipe die set coaxially connected to the discharge end of the extrusion furnace, a storage rack is arranged outside the discharge end of the extrusion furnace, and a plurality of pipe die sets with different specifications are arranged for staggered sliding switching; the pipe die set is coaxially composed of an extrusion pipe, a pipe sleeve die and a plurality of pipe hole dies from outside to inside, a central shaft die is sleeved on the central shaft of the extrusion pipe, and a pipe material channel is formed between the extrusion pipe and the plurality of pipe hole dies and the central shaft die; and the plurality of pipe die sets are slidingly clamped on the storage shaft. The application can complete the quick disassembly of old dies and the accurate positioning and installation of new dies by suspending a plurality of pipe die sets with different specifications on the storage rack in a staggered mode; the technical effect that only the screw extrusion function needs to be stopped when plum-blossom pipes with different aperture specifications are replaced, and the extrusion furnace heating function does not need to be stopped is achieved; and the power-saving benefit is realized.

This invention belongs to the field of semiconductor materials technology and discloses a method for preparing transferable layered bismuth oxide selenide semiconductor thin films by heterolayer interface control. The method includes: 1) activating and growing a substrate; 2) depositing an interface-controlled heterolayer, which is a two-dimensional material or a water-soluble oxide; 3) CVD growing a Bi₂O₂Se thin film on the heterolayer; and 4) using a polymer support film to assist wet peeling, separating the film from the substrate and transferring it to a target substrate. This invention solves the problem of non-destructive transfer due to excessively strong adhesion between the film and substrate by introducing a heterolayer with weak interfacial interactions, and is applicable to fields such as flexible electronics and silicon-based integration.

The invention belongs to the field of water and slurry treatment agents, and discloses a hydrophobic modified glycinin-based flocculant as well as a preparation method and application thereof. The preparation method comprises the following steps: dissociating soybean protein subunits under alkaline and nitrogen protection; pre-emulsified octenyl succinic anhydride or dodecyl glycidyl ether is added for a grafting reaction; adjusting the pH to terminate the reaction and aging; and washing and drying to obtain the product. The flocculant has a hydrophobic association three-dimensional network structure, can efficiently capture particles in water, generates a self-extrusion drainage effect in slurry dehydration, is high in dehydration efficiency and environment-friendly, and is suitable for purification of high-turbidity water and dehydration of building slurry.

The application discloses a preparation method of a europium-doped germanate red luminescent material, and is used for preparing a material with a chemical general formula of (0.025<=<=0.1). The method comprises the following steps: sodium carbonate, calcium carbonate, germanium dioxide and europium sesquioxide are weighed according to a metering ratio, wet grinding is carried out in a garnet mortar with anhydrous ethanol as a medium for 1-2 hours, and natural air drying is carried out; the dried powder is loaded into a corundum crucible and placed in a tube furnace, a solid phase reaction is carried out under an air atmosphere, the temperature is raised to 850 DEG C at a speed of 5 DEG C / min, and the temperature is kept for 6-8 hours; after the calcination is completed, the heating power is turned off, the product is naturally cooled to room temperature along with the furnace, and crushing and grinding are carried out to obtain the material. Through optimization of wet grinding and temperature control calcination and cooling parameters, the material powder agglomeration is avoided, and technical problems such as easy appearance of derived impurities in the synthesized product, low crystallinity and existence of residual stress in the crystal are solved.

The invention relates to the technical field of biomedical detection, and discloses a kit for detecting pancreatic cancer based on a fluorescence labeling method and application of the kit, and the kit is composed of eutectic solvent precursor dispersion liquid containing an interface stabilizer and a polycarboxylate regulator. According to the method, the deep eutectic solvent is driven to be separated out from the water phase by utilizing the strong hydration capability of the polycarboxylate regulator, and the microphase enrichment region with low water content is constructed in situ. In the enrichment area, a compact hydrogen bond network limits free movement of water molecules, and a non-radiative transition channel for transferring excited state energy of fluorescent molecules to a hydroxyl vibration energy level of the water molecules is blocked. The unique microenvironment mechanism significantly reduces the fluorescence quenching effect in an aqueous system, greatly improves the quantum yield and detection sensitivity of the fluorescent probe, and effectively solves the technical problem of weak signal in traditional aqueous phase immunodetection.

The application belongs to the technical field of MAX phase material preparation, and particularly relates to a method for preparing MAX phase material based on natural metal minerals. The method comprises the following steps: mixing natural metal mineral powder, aluminum powder and graphite powder, and then ball milling to obtain activated precursor powder; pressing the activated precursor powder into a dense blank, and synthesizing a block material through self-propagating high-temperature reaction; crushing the block material and sieving to obtain a MAX phase powder material, wherein the natural metal mineral is rutile and / or chromite; and the general formula of the MAX phase powder material is (Ti 1‑x Cr x ) n+1 AlC n , wherein 0<=x<=1, and n is 1 or 2. The method is different from the prior art in reaction principle, realizes cost reduction and greenization of the whole chain of raw materials, synthesis and etching, and solves the problem of mineral impurities by using the instantaneous high-temperature characteristics of SHS.

The invention relates to the technical field of biomedical materials, in particular to a collagen redissolving process which comprises the following steps: S1, preparing a hydrochloric acid solution with the concentration of 0.001 mol / L to 0.02 mol / L; and S2, adding collagen filaments into the hydrochloric acid solution at 2-8 DEG C, and stirring to obtain the collagen solution. According to the collagen redissolution process provided by the invention, the low-concentration hydrochloric acid is adopted for dissolution under a low-temperature condition, so that acetic acid can be prevented from being remained in a collagen freeze-dried product in the redissolution process, and meanwhile, the collagen redissolution process has the advantages of high dissolution efficiency, complete collagen structure and simple and convenient process.

The invention discloses a nuclear power plant steam turbine blade microdefect ultrasonic detection method and system.The nuclear power plant steam turbine blade microdefect ultrasonic detection method comprises the steps that through a linear array probe and / or a two-dimensional matrix probe, in a nonlinear ultrasonic imaging mode, microcracks can be detected in time in the blade manufacturing period and the early running stage; complete blade structure and reliable function are guaranteed, and safe and stable operation of a nuclear power unit is ensured.

This utility model relates to a connecting wire for electronic products, comprising, from the inside out, a conductor, an insulation layer, a shielding layer, a reinforcing layer, and a sheath. The shielding layer consists of an inner shielding layer and an outer shielding layer. The inner shielding layer is a conductive metal foil layer wrapped around the wire, and the outer shielding layer is a woven tin-plated metal mesh layer. The conductive surface of the inner shielding layer is tightly attached to the outer surface of the insulation layer. The reinforcing layer is composed of multiple strands of synthetic fiber bundles and a braided layer tightly wrapped around the synthetic fiber bundles. The synthetic fiber bundles extend along the axial direction of the wire and are evenly distributed around the periphery of the shielding layer. The braided reinforcing layer is made of flexible fiber material cross-woven together, achieving effective complementarity of high and low frequency electromagnetic shielding, greatly improving the tensile strength of the wire, preventing breakage due to pulling during wiring or daily use, and giving the wire excellent anti-torsion, anti-compression, and anti-impact properties.

The present application relates to a kind of porous adsorbing materials and its preparation method and application.The porous adsorbing material is the shell of calcium removal crustacean, with rough surface, pore size 1-2 μm channel and ordered fiber bundle structure, keep the structure of crustacean shell complete and abundant functional group, to a variety of nano plastic particles has good capture capacity, can be used in water body nano plastic particles, nano plastic particles, oil pollution various pollution removal.

The present application relates to a kind of antibacterial and anti-adhesion catheter based on intelligent response nanofiber membrane, which is composed of medical polymer catheter substrate, silane coupling agent transition layer grafted on the outer surface of the substrate and nanofunctional fiber membrane layer formed on the outer surface of the transition layer by electrospinning process, the nanofunctional fiber membrane layer is composed of polyvinyl alcohol loaded hyaluronic acid grafted copper-doped carbon dots (CCDH), CCDH takes copper-doped carbon dots as core, and forms core-shell structure by grafting hyaluronic acid on the surface. The present application solves the problem of easy peeling of catheter coating by chemical bonding, and the formed antibacterial and anti-adhesion catheter has very low water contact angle and friction coefficient, not only effectively blocks the initial adhesion of bacteria at the physical level by constructing hydration layer, but also releases copper ions and carbon dots by enzymatic hydrolysis of hyaluronic acid under bacterial infection microenvironment, induces the production of reactive oxygen species to kill bacteria efficiently, and has broad application prospect in reducing the risk of catheter-related urinary tract infection.

The invention discloses a metal mask plate decontamination system and method, the metal mask plate decontamination system comprises a decontamination device and a conveying device, the decontamination device comprises a heating module and an ultrasonic cleaning module, the decontamination device is at least provided with a first temperature area and a second temperature area, and the first temperature area and the second temperature area are sequentially arranged on a conveying path of the conveying device; the conveying device is used for conveying the metal mask plate to the first temperature area to be heated to the drying temperature and conveying the metal mask plate to the second temperature area to be controlled to the decontamination temperature, and the drying temperature is higher than the decontamination temperature; the heating module is arranged in the decontamination device and used for heating the first temperature area to the drying temperature and heating the second temperature area to the decontamination temperature; and the ultrasonic cleaning module is arranged in the decontamination device, is positioned in the second temperature area, and is used for emitting ultrasonic waves to vibrate and remove particles attached to the metal mask plate and sucking away the vibrated and removed particles through negative pressure. According to the invention, the yield of the FMM at the client can be improved.

The embodiment of the present application relates to a kind of porous silicon-carbon composite material and its preparation method and application, the porous silicon-carbon composite material includes: porous silicon-carbon matrix, including as porous carbon matrix of porous carbon skeleton and the nano-silicon layer deposited on the outer surface and internal pore wall of porous carbon skeleton;Nano-fiber mesh passivation layer is the three-dimensional mesh structure that inorganic nano-fiber interweaves and overlaps each other;Nano-fiber mesh passivation layer is coated on the outer surface of porous silicon-carbon matrix, and / or in the internal pore of porous silicon-carbon matrix, to form passivation protection to nano-silicon layer;Carbon coating layer, coated on the outer surface of porous silicon-carbon matrix;Wherein, carbon coating layer at the outer surface of porous silicon-carbon matrix constitutes the outermost layer of porous silicon-carbon composite material.The porous silicon-carbon composite material is applied to lithium ion battery negative electrode, with the characteristics of high initial coulomb efficiency, low expansion rate.

This invention belongs to the field of food processing technology, specifically relating to a processing technology for low-fat meat products based on gelation technology. The process includes: dispersing polysaccharide gel components and microcrystalline cellulose in water, heating to swell, and then cooling to form a composite gel system; introducing air bubbles through mechanical stirring and controlling temperature to solidify and form a porous gel; improving pore wall stability through low-temperature regulation and gel aging treatment; obtaining micron-sized porous gel particles through low-shear granulation; vacuum impregnating a high-viscosity hydrophilic polysaccharide solution with shear-thinning properties under reduced pressure; mixing the obtained porous gel particles with minced meat, shaping, and heating to obtain the low-fat meat product. This invention, by constructing a porous gel structure to store lubricating factors, achieves gradual release during chewing. Without adding any exogenous oils, the coefficient of friction is reduced by more than 20%, effectively solving the technical problems of dry texture and poor lubricity in low-fat meat products, and has good industrial application prospects.

The application relates to the technical field of advertisement delivery, in particular to a short drama advertisement generation model optimization method and system based on feedback attribution, which comprises the following steps: acquiring task association information, constructing a demand state vector, generating a hierarchical narrative state graph, and determining a corresponding candidate narrative path; calling a short drama advertisement generation model to generate a candidate advertisement script and form a candidate advertisement version set; performing delivery testing on the candidate advertisement versions in the candidate advertisement version set, collecting original feedback data corresponding to each candidate advertisement version; performing feedback attribution and denoising processing on the original feedback data to obtain attribution feedback results corresponding to each candidate advertisement version; constructing preference samples between the candidate advertisement versions according to the attribution feedback results, and optimizing and updating the short drama advertisement generation model based on the preference samples and the narrative structure constraints corresponding to the hierarchical narrative state graph. The application can continuously and stably output short drama advertisement contents which are complete in structure and more meet the delivery effect requirements.

The invention discloses a binocular stereo matching depth estimation method and system based on hyperspectral reconstruction feature enhancement. The method comprises the following steps: S1, receiving left and right binocular RGB images; s2, performing high-dimensional spectral feature reconstruction on the left binocular RGB image and the right binocular RGB image by using a multi-stage spectral transformation module, and outputting a multi-channel hyperspectral feature map covering a visible light wave band by learning spectral reflectivity priori of a material; s3, adaptive channel selection and feature recombination are carried out on the multi-channel hyperspectral feature map through a learnable spectrum dimension reduction layer, and a left pseudo-color feature map and a right pseudo-color feature map with enhanced material physical attribute differences are generated; and S4, performing geometric feature extraction and parallax iterative optimization based on the left and right pseudo-color feature maps by using a stereo matching module, and outputting a final compact parallax map. According to the method, optical physical priori is learned through model training, so that low-cost RGB hardware can reproduce high-fidelity spectral features, and the problem of depth perception under complex materials and extreme shadows is effectively solved.

The application discloses a kind of based on multi-level supervision attention mechanism super network and random erasing data enhancement's occluded face image super resolution method, comprising: face region cutting, random erasing face content and size adjustment are carried out to public face dataset, construct low-resolution occluded face / high-resolution unoccluded face image pair dataset, and multiple data enhancements are carried out to training set;Multi-level supervision attention mechanism face image super resolution network based on face structure priori guide is constructed;Multi-level supervision attention mechanism face image super resolution network based on face structure priori guide is trained on training set;Low-resolution occluded face image in test set is carried out super resolution.This application overcomes the existing face super resolution method in processing accompanying occlusion input low-resolution face image when result image structure distortion, the problem of detail accompanying artificial artifact, can reconstruct structure complete, accurate, high-resolution face image with high fidelity.