175results about How to "Achieve large-scale application" patented technology

The invention relates to a preparation method of a polymer / graphene nano composite membrane, and aims to solve the problem that the existing polymer membrane material can not be applied in a large scale because the existing polymer membrane material is poor in hydrophilic property, is polluted easily and particularly is polluted by microbes and extracellular polymer easily. The preparation method disclosed by the invention comprises the steps of 1, taking a graphene nano material, a polymer, an organic solvent, an organic additive and an inorganic additive in parts by weight; 2, preparing a graphene nano material suspension; 3, preparing a membrane casting solution; 4, preparing a membrane by using the membrane casting solution in a coagulation bath medium to obtain a coagulation membrane, and then soaking the coagulation membrane in deionized water. The nano composite membrane disclosed by the invention is good in hydrophilic property, the irreversible pollution level of the nano composite membrane is significantly reduced, the anti-pollution capacity of the polymer membrane is effectively improved, the water flux is improved, and the polymer / graphene nano composite membrane disclosed by the invention is applied to the field of chemical industry.

The invention relates to a 3D-nanostructure NiCo2S4 electrode material and a preparation method thereof. The 3D-nanostructure NiCo2S4 electrode material is in a three-dimensional nanostructure formed through self-assembly of hexagonal NiCo2S4 nanosheets. The 3D-nanostructure NiCo2S4 electrode material is prepared through a hydrothermal method and a follow-up sulfuration process. The preparation method comprises 1) dissolving divalent cobalt salt and divalent nickel salt into an alkaline aqueous solution, and obtaining an intermediate product in a three-dimensional structure through hydrothermal reaction; and 2) dispersing the obtained intermediate product into a sulfur source solution so as to carry out hydrothermal sulfidizing processing, and thus the 3D-nanostructure NiCo2S4 electrode material can be obtained. On the basis of high seudocapacitance activity and high conductivity of the NiCo2S4 material, specific surface area is improved by forming the 3D nanostructure, and the obtained product is allowed to have excellent super capacitor performance; the hydrothermal and follow-up sulfuration processing processes are simple and are easy to operate and control; and the method is suitable for continuous large-scale production.

The invention provides a preparation method and application of a hollow mesoporous structure NiCoS polyhedron, and belongs to the technical field of clean energy preparation. The preparation method comprises the following steps that 1, divalent cobalt salt and 2-methylimidazole are dissolved in a methanol solution and then subjected to still standing, and ZIF-67 is obtained; 2, the ZIF-67 and nickel nitrate are mixed and stirred and then subjected to centrifugation and vacuum drying, and a middle body ZIF-67 / NiCo-LDH is obtained; and 3, the middle body is dispersed in an ethanol solution, thenthioacetamide is added for stirring, a mixed solution is placed in a reaction kettle for hydrothermal reaction, precipitation obtained after reaction is subjected to centrifugal washing and vacuum drying and then calcined in the protective atmosphere, and the hollow mesoporous structure NiCoS polyhedron is obtained. The preparation method of the hollow mesoporous structure NiCoS polyhedron has the advantages that the method is simple, going green and environmentally friendly, low in cost and easy to operate and control, and the preparation method is suitable for industrialized continuous large-scale production; and a raw material involved in the preparation method is environmentally friendly, low in price and excellent in performance, and large-scale application is expected to achieve.

The invention relates to a polyvinylidene fluoride / organic clay nano composite ultralow pressure ultrafiltration membrane and a preparation method thereof, and to a nano composite membrane and a preparation method thereof. The invention resolves the problem that the existing membrane material has a bad hydrophilicity and a low surface energy and is easily be polluted, and the existing modified method has the disadvantage that it can not run under ultralow pressure and the running cost is high. It is composed of 20-50 shares by weight of PVDF, 0.1-20 shares by weight of organic clay, 10-1000 shares by weight of disperse medium, 10-50 shares by weight of organic addition agent and 0.1-30 shares by weight of inorganic additive. The invention adds the organic clay, inorganic additive, organic addition agent and PVDF in turns into the disperse medium to get the casting film liquor after 3-48 hours dissolution and 5-24 hours stewing deaeration; plate membrane, tubular type membrane, hollow fibre membrane, and comparable membrane module can be prepared. The invention can change the hydrophilicity of the composite membrane, resolve the pollution of exiting membrane effectively, increase the water flux and retain ratio, extend the washing period, raise the treating capacity, and realize the large scale use and run in ultralow pressure.

The invention discloses a carbon-coated lithium supplementing material as well as a preparation method and application thereof. The carbon-coated lithium supplementing material comprises a lithium-containing compound, an inorganic nonmetal reducing agent and a carbon-containing coating layer partially or completely coating the surface of the lithium-containing compound or / and the inorganic nonmetal reducing agent. According to the carbon-coated lithium supplementing material provided by the invention, agglomeration and growth of the lithium supplementing agent in the synthesis process can be inhibited through carbon coating, the air stability and conductivity of the lithium supplementing agent are improved, the lithium supplementing agent is catalyzed to be decomposed at a relatively low potential to release lithium ions, the lithium supplementing capacity is increased, and the effect of improving the energy density of the battery is achieved; and the carbon-coated lithium supplementing material is simple in preparation process and is beneficial to wide popularization and application. When the carbon-coated lithium supplementing material provided by the invention is added into thepositive electrode of a lithium secondary battery, the irreversible lithium loss of the first charge-discharge negative electrode can be compensated, and the energy density of the battery is improved.The activity of the lithium supplementing material can be improved through surface carbon coating, the air stability is improved, and large-scale application of the lithium supplementing agent in a lithium ion energy storage device is realized.

This invention discloses a method for treating azo-dye wastewater. The method comprises: (1) introducing azo-dye wastewater into a wastewater pool; (2) fixing an ultrasonic wave generator, and a visible light source; (3) opening the ultrasonic wave generator and the visible light source simultaneously, ultrasonicating and irradiating the azo-dye wastewater; (4) examming the dye decomposition result, and terminating the treatment when the decomposition reaches saturation. The method has such advantages as high decomposition rate, no toxic intermediates, low cost, no addition of other chemical substances, no pollution, and adequate utilization of ultrasonic wave energy.

The invention discloses a preparation method of a novel composite positive electrode. The preparation method comprises: 1, preparing a composite solid electrolyte solution, 2, mixing the composite solid electrolyte solution, a positive electrode active material, a conductive agent and a dispersing agent according to a preset ratio, carrying out uniform stirring, coating a positive electrode current collector with the mixture and carrying out drying to obtain a composite positive electrode, and 3, coating the composite positive electrode with the composite solid electrolyte solution obtained bythe step 1 and carrying out drying to obtain a composite positive electrode with the solid electrolyte. The invention also discloses the novel composite positive electrode and a solid lithium batteryusing the same. The preparation method keeps the soft contact between the solid electrolyte and the electrode active material and soft contact between the solid electrolyte and the battery electrodeand reduces the interface impedance between the solid electrolyte and the electrode active material and between the solid electrolyte and the battery electrode.

A preparation method of polymer / Mengtuotu composite hydrophilic membrane relates to preparation craft of composite membrane disposed by water. The step is: Dissolving polymer and organic Mengtuotu respectively in medium of 30 Deg. to 95 Deg. C for 3 to 20 hours; Mixing the admixture for 1 to 20 hours; Add organic matter and inorganic matter and mixing for 5 to 24 hours, it becomes cast-iron liquid; Make membrane. The present invention makes use of high surface energy of Nami Mengtuotu particulate to counteract the disfigurement the low surface energy of polymer. The changeable character of Nami Mengtuotu is different from others; it not only changes hydrophilic character of composite pottery but also changes hydrophilic character in interface of inner hole. The present invention can solve the membrane pollution problem effectively, increases flowing and sectional flowing rate, prolongs the cycle of cleaning and can be applied on a large scale.

The invention discloses a method for preparing an anode of a solid oxide fuel cell by using an immersion method, belongs to the method for preparing the anode of a fuel cell, and solves the problem of easiness in performance weakening caused by low stability and easiness in aging of the conventional anode, which is prepared by using the immersion method, of the solid oxide fuel cell. The method comprises the following steps of: 1, preparing immersion liquid; 2, adding the immersion liquid into a porous anode supporting body, and roasting; 3, repeating the step 2, and sintering in an air atmosphere; and 4, restoring, and thus obtaining the anode of the solid oxide fuel cell. The method has the advantages that: selectable raw material sources are wide; a preparation process is simple; expensive experimental instruments are not required; large-scale application can be realized; the stability of the anode, which is prepared by using the immersion method with a dispersing agent, of the solid oxide fuel cell is improved; the electric conductivity and catalytic performance of the anode can be improved; porosity can be guaranteed by immersion of the porous anode supporting body; and fuel gas can smoothly reach the anode and an electrolyte interface for reaction, and generated water is drained.

The invention discloses a preparation method of oleophylic and hydrophobic water hyacinth cellulose aerogel. Firstly, cellulose extracted from water hyacinth plants is prepared into a 0.50% by weight of cellulose solution, a PAE papermaking wet-strength agent is added, the mixture is frozen at the temperature of -15 DEG C for 24 hours after even mixing, then the frozen and formed sample undergoes freeze-drying at the temperature of -40 DEG C for 48 hours to obtain the cellulose aerogel; the dried cellulose aerogel is put in a drying oven of 105 DEG C for reaction for 3 hours, so that the cellulose and PAE produce crosslinking to enhance the strength of the cellulose aerogel; finally, the cellulose aerogel is subjected to hydrophobic modifation. The cellulose aerogel prepared by utilizing the water hyacinth cellulose as the raw material and utilizing the PAE papermaking wet-strength agent as a crosslinking agent has superior oil absorption capacity and meanwhile has good resilience, the usage number of the cellulose aerogel is increased, so that the cellulose aerogel has a good practical application value in remediation of an oil-polluted water body.

The invention discloses a method for accessing application data. The method comprises the following steps: a third party application sends an authorization login request to a target application, obtains the third party application information according to the authorization login request, and requests the user to confirm the authorization according to the third party application information; When the user confirms the authorization, the corresponding authorization information is received, and the authorization code is sent to the third party application according to the authorization information. Submitting an authorization code to the target application by a third party application; The target application verifies the authorization code; If the authentication is passed, returning the access token to the third party application; Third-party applications use access tokens to access the target application. The method realizes the access of the third party application to the specific private resources in the target application without providing the account password information of the target application and ensuring the information security and privacy of the target application, which provides convenience for the user and effectively promotes the application and development of the target application. The present application also discloses an application data access system, which also has the above-mentioned beneficial effects.

The invention belongs to the technical field of aluminum air batteries, and particularly discloses an all-solid-state flexible and stretchable fibrous aluminum air battery and a preparation method thereof. According to the method, a hydrogel electrolyte is firstly prepared by a cyclic freezing method; the electrolyte coats an aluminum spring at a negative electrode and is crosslinked into a solid state; and staggered oriented carbon nanotube films evaporated with silver nanoparticles coat the outmost layer to obtain the fibrous aluminum air battery. The special air electrode structure does not need a metal current collector or a binder. Due to the structural design, the fibrous aluminum air battery has excellent electrochemical properties; the specific capacity can reach 935mAh / g; and the energy density can reach 1168Wh / kg. The battery also has flexibility and stretchability. The electrolyte is in the solid state, so that the risks of a short circuit and an electrolyte leakage in the bending and stretching process can be effectively prevented; the battery is easy to weave and integrate; and the battery can be woven into energy storage fabrics to provide energy for a wearable electronic device, and large-scale application is excepted to be achieved.

The invention discloses a single nucleotide polymorphism marker site, primers and a reagent kit for identifying a peach fruit flesh color characteristic and application. The single nucleotide polymorphism marker site is the 24827153th nucleotide of the first chromosom of peach genomes, and the nucleotide is A or G. The screened 24827153th nucleotide of the first chromosom of peach genomes serves as the single nucleotide polymorphism marker site, can be used for identifying or assisting in identifying the peach fruit flesh color characteristic and is high in preparation rate when used for identifying the peach fruit flesh color characteristic. The SNPs accuracy rates of 221 parts of peach single plants to be detected in 15 hybrid groups are verified, and results show that the average accuracy rate of the fruit flesh color SNPs is increased to 86.43% from 73.76% compared with other lately-reported research. It means that the single nucleotide polymorphism marker site has the advantages of being simple, fast and low in cost when used for detection, and large-scale application in production can be achieved.

The invention provides a data processing model training method, and the method comprises the steps: obtaining a base class data sample set, and extracting features of the base class data sample set through a feature extraction network; processing the extracted features of the base class data sample set through a guidance network in the data processing model so as to determine parameters of the guidance network; processing the extracted features of the base class data sample set through a parameter generation network in the data processing model to determine initial parameters of the parametergeneration network; and iteratively updating the initial parameters of the parameter generation network in the data processing model through the output result of the guidance network and the base class data sample set. The invention further provides a data processing method and device and a storage medium. According to the invention, the training precision and the training speed of the data processing model can be improved, so the data processing model can adapt to use scenes of different small sample data.

The invention discloses a method for recycling a positive electrode material of a waste ternary lithium ion battery. The method comprises the following steps: separating a current collector and positive electrode slurry from a positive electrode piece of the waste ternary lithium ion battery through a separating agent; carrying out filter pressing on the positive electrode slurry to obtain a filter cake, carrying out vacuum drying on the filter cake, carrying out winnowing, and separating out a positive electrode material and a conductive agent; and mechanically crushing the separated positiveelectrode material, screening to obtain positive electrode particles with an appropriate particle size range, supplementing lithium to the positive electrode particles, and calcining to obtain the ternary single crystal positive electrode material. The recycling method is environment-friendly in process and simple to operate, and the ternary single crystal positive electrode material prepared again is excellent in performance.

The invention discloses a prediction device for short time traffic conditions, comprising: a traffic conditions analyzing unit for reading historical traffic conditions data, and filtering the historical traffic conditions data according to a predetermined time interval to obtain the filtered historical traffic conditions data; a time sequence division unit for dividing the filtered historical traffic conditions data into a plurality of traffic conditions data according to the time sequence; and a traffic conditions prediction unit for generating a prediction result of future traffic conditions according to the plurality of traffic conditions data and a fuzzy average predetermined prediction model. The invention further discloses a prediction method for short time traffic conditions. With the method and the device provided by the invention, the plurality of traffic conditions data are divided from the historical traffic conditions data, characters of traffic conditions of each traffic conditions data are accurately represented, and influence of non-steady variation of the traffic conditions on the prediction result is reduced by a fuzzy average prediction method, so that large-scale application of the method and the device is implemented.

The invention discloses a single nucleotide polymorphism marker site, a primer and a kit for identifying the coloring property of peach epidermis and application. The single nucleotide polymorphism marker site is the 3473250th nucleotide of a third chromosome of a peach genome, and the nucleotide is T or G. The 3473250bp of the third chromosome of the peach genome is taken as a nucleotide polymorphism maker site which can be used for identification or assisting identification of the coloring property of peach epidermis, and is relatively high in accuracy rate when identifying the coloring property of peach epidermis. The SNPs accuracy rates of 221 single peach plants of 15 hybridized colonies to be tested are verified, the result shows that when the phenotypic characters of the hybridized colonies are predicted, and the accuracy rates of dominant phenotypes are relatively high, that is, the accuracy rates are increased to 61.29% from 8.06% when being compared with those of other research reported lately. The results show that when being used for detection, the single nucleotide polymorphism marker site disclosed by the invention has the advantages of simplicity, rapidness and low cost, and large-scale application on practical production can be achieved.

The invention discloses a biomass low-temperature anaerobic pyrolysis treating device and a treating method, and relates to the technical field of biomass treating. The biomass low-temperature anaerobic pyrolysis treating device comprises a biomass pretreating device, a drying device, a spiral extruder, a pyrolysis treating device body, a heating device, a tail gas treating device, a biomass pyrolysis gas treating device and a carbon outlet device, wherein the drying device is connected with the biomass pretreating device and the pyrolysis treating device body through the spiral extruder correspondingly, an outlet of the drying device is further connected with the tail gas treating device, the pyrolysis treating device body is connected with the heating device, a gas outlet of the pyrolysis treating device body is connected with the biomass pyrolysis gas treating device, and a solid material outlet of the pyrolysis treating device body is connected with the carbon outlet device. The treating method of the device is used, all biomass can be completely pyrolysed, harmful substances in the biomass are treated cleanly, discharged oil, gas and carbon through the pyrolysis treatment allreach the national discharge standard, and are recovered and used circularly, and the benefits are maximized.

The invention discloses reinforced and antibacterial plastic masterbatch based on artificial agglomerated stone waste residues and a preparation method thereof. The masterbatch comprises the followingcomponents in parts by mass: 100 parts of resin, 400-900 parts of an artificial agglomerated stone waste residue-inorganic powder compound, 5-200 parts of a reinforcing agent, 0.2-15 parts of a surface modifier, 0.1-5 parts of a chain extender, 0.2-4 parts of a compatibilizer, 1-25 parts of an antibacterial agent, 0.3-2 parts of a lubricant and 0.5-2.5 parts of an antistatic agent. According to the invention, the artificial agglomerated stone waste residue-inorganic powder compound is used as a filler to prepare the plastic masterbatch; the mutual characteristics of the artificial agglomerated stone waste residues and the inorganic powder can be used make the best of the both materials, defects in performance when only artificial agglomerated stone waste residues are adopted as a fillingcomponent are eliminated, and a plastic masterbatch product with ideal comprehensive performance is obtained. The preparation method has the advantages of simple process, good economical efficiency, suitability for large-scale production, reduction of the pollution of solid wastes to the environment, and realization of the resource recycling of wastes.

The invention discloses an SNP molecular marker combination for constructing a peach DNA fingerprint spectrum, application and a method. The SNP molecular marker combination comprises SNP molecular markers shown as SEQ ID NO.1-17. 16658391 SNPs are identified through sequencing comparison of 360 peach germplasm samples, and the SNPs are filtered and screened to obtain an SNP set for identifying germplasms. 80 bred peach varieties are utilized to predict the distinguishing efficiency of the developed SNP set, and a result shows that the distinguishing rate of the developed SNP set on the bred varieties can reach 100%. It is indicated that the SNP molecular marker combination has the advantages of simplicity, rapidness and low cost in detection by utilizing the single nucleotide marker sites of the combination, and large-scale application in production can be achieved. Due to the fact that the number of original SNPs is large, the polymorphism of the obtained SNPs is guaranteed, and the accuracy of the SNP set identification is effectively improved.

The invention discloses a preparation method and an application of a metal-organic framework compound electrocatalyst. The preparation method comprises the following steps: respectively dissolving tartaric acid, FeCl3. 6H2O and Ni(NO3)2. 6H2O in methanol; mixing above two obtained solutions, and transferring the obtained mixture into a reaction kettle; vertically putting foamed nickel into the reaction kettle, heating the reaction kettle to react, and naturally cooling the reaction kettle; and taking out the foamed nickel, washing the foamed nickel with ethanol, and carrying out vacuum drying.In a three-electrode system, the metal-organic framework compound electrocatalyst is directly placed in an electrolyte as a working electrode to carry out an electrocatalytic water decomposition oxygen evolution reaction. The three-position nanoflower-tartaric acid-iron and nickel bimetal-organic framework compound is formed through one-step wet chemical self-assembling by using the strong coordination capability of tartaric acid and taking the foamed nickel as a substrate, and the has ean xcellent electrocatalytic oxygen evolution activity and a very excellent cycling stability under a highcurrent density.

The invention relates to a sulfonated graphene-modified sulfur-carbon electrode. A preparation method of the sulfonated graphene-modified sulfur-carbon electrode comprises the following steps: dipping sulfonated graphene into a lithium hydroxide solution and then taking out, washing and drying the sulfonated graphene to obtain lithiated sulfonated graphene; dispersing the lithiated sulfonated graphene and a binder into a dispersant; and spraying the dispersant on a sulfur-carbon composite electrode in a spraying manner and then carrying out drying to obtain the sulfonated graphene-modified sulfur-carbon electrode. The lithiated sulfonated graphene is tightly adsorbed to the electrode through the van der Waals force between graphene layers, so that dissolution of polysulfide in the sulfur-carbon electrode can be reduced; and meanwhile, the lithiated sulfate radical has the effect of conducting lithium ions, so that the method can effectively improve the cycle performance of the lithium-sulfur battery; and meanwhile, the method is simple in process and short in processing time, and hopefully achieves large-scale application in the field of the lithium-sulfur battery.

The invention relates to the field of graphene processing, in particular to a method for rapidly preparing patterned doped graphene by ultraviolet laser. The method includes the steps: a preparing carbon source solution; b preparing a carbon source lining plate; c fixedly clamping the carbon source lining plate to a moving platform of a laser processing system and ensuring complete isolation of the carbon source lining plate and air; d processing the carbon source lining plate by laser; e taking out a sample and drying the sample to obtain graphene. An organic carbon layer polyimide coating protected by doped source liquid is processed by ultraviolet laser, chemical bonds of polyimide carbon chains are directly broken by high-energy-density ultraviolet laser, and atoms are doped into reconstructed graphene to generate the patterned doped graphene. The doped graphene generated by the method has energy band gaps, graphene preparation and graphene doping are finished by the same operation, and the method is high in production efficiency and low in cost and has a wide application potential in terms of microelectronic device manufacture.

The invention relates to a multi-piece multi-source horizontal hydride vapor phase epitaxy growth system, wherein a reaction chamber is of a horizontal structure, a graphite support is arranged in a growth region, different reaction sources are respectively provided with independent input pipelines, and epitaxy growth substrates are arranged on the graphite support. The multi-piece multi-source horizontal hydride vapor phase epitaxy (HVPE) growth system provided by the invention realizes large-scale application of GaN-based material growth and has the capability of growing multiple pieces of large-area GaN-based materials in one step.

The invention relates to an information management system for monitoring animal health based on an intelligent ear tag, a method and a system for positioning a bred animal with an abnormal health state, and a method, equipment and a system for managing and positioning the animal health based on the intelligent ear tag, and belongs to the technical field of livestock breeding and animal health management. The equipment for managing and positioning the animal health based on the intelligent ear tag comprises an ear tag unit, a health information acquisition and identification unit and a health information processing and management unit, wherein the ear tag unit comprises an ear tag main body, an ear tag needle body and an ear tag cap, the ear tag main body is fixedly connected with the ear tag needle body, and the ear tag needle body penetrates through one end of the ear root part of an animal and is locked with the ear tag cap; the health information acquisition and identification unit is used for acquiring animal health information data and identifying an animal ID; the health information processing and management unit is used for processing the animal health information data and displaying and recording the animal ID, regional movement information, age information and immune information. According to the equipment for managing and positioning the animal health based on the intelligent ear tag, automatic and intelligent traceability and health management of the whole life cycle of animals are realized, and individualized health monitoring management of the animals, especially livestock, is realized.

The invention relates to a system and a method for directly mineralizing carbon dioxide in flue gas by using gypsum. An absorption tower can sequentially realize cooling, decarburization and escape ammonia trapping processes of desulfurized flue gas; the bottom of a lower cooling section is provided with a slurry area and is circularly connected with an upper ammonium bicarbonate spraying layer, so that the trapping of the waste heat of the desulfurized flue gas can be realized, and heat is provided for the low-temperature concentration and crystallization of ammonium sulfate slurry; the bottom of a middle decarburization section is provided with an ammonium bicarbonate liquid holding layer, and the ammonium bicarbonate liquid holding layer and the ammonium bicarbonate spraying layer form circulation; ammonia is supplemented through an ammonium bicarbonate spraying layer pipeline, so that continuous decarburization reaction can be carried out on cooled flue gas; and meanwhile, the lower cooling section and the middle decarburization section are separated, and a gypsum spraying layer, a demister, a process water spraying layer, a gypsum liquid holding layer and a gypsum spraying layer which are sequentially arranged on the upper deamination section in the height direction form circulating spraying, and the continuous trapping process of escaping ammonia is achieved. The system is simple in structure, reasonable in design and low in smoke decarburization and utilization cost, and meanwhile, continuous online treatment of a large amount of smoke can be achieved.

A concentrating type full-spectrum solar photovoltaic photo-thermal combination system comprises a main concentrator (1), a heat collecting pipe (2), a secondary concentrator (3), a photovoltaic device (4), a cooling device (5) and a support (6). The heat collecting pipe (2) and the secondary concentrator (3) are located at the focusing position of the main concentrator (1), the secondary concentrator (3) is fixed to the position above the main concentrator (1) through the support (6), the main concentrator (1) reflects and focuses solar radiation on the heat collecting pipe (2) and the secondary concentrator (3), and the secondary concentrator (3) reflects and focuses solar radiation on the heat collecting pipe (2). The photovoltaic device (4) is located on the inner wall surface of the secondary concentrator (3), and a back reflecting layer (8) of the photovoltaic device (4) reflects ultraviolet light and near-infrared light which cannot be absorbed and utilized by a photovoltaic cell layer (7) in sunlight to the heat collecting pipe (2) again. The cooling device (5) is located on the back face of a substrate (9) of the photovoltaic device (4) and used for cooling the photovoltaic device (4).

The invention provides a neural network model training data processing method and device, equipment and a storage medium, and the method comprises the steps: carrying out the rotation self-supervision processing of a first training data set, so as to form a corresponding second training data set; determining an initial training data set corresponding to the second training data set; according to the second training data set and the initial training data set, gradient parameters matched with the initial training data set are determined through the first training data processing network and the second training data processing network; and updating the initial training data set, and determining a target training data set matched with the target neural network model. Therefore, on the premise of reducing the total amount of the training data, the accuracy of training the neural network model by the training data with a small scale can be stably improved, the generalization ability of the target neural network model is enhanced, the trained target neural network model can be conveniently deployed in the mobile terminal, and large-scale application of the target neural network model is realized.

The invention relates to the technical field of membrane preparation and concretely relates to a method for a hydrophilic charged ultrafiltration membrane by blending with an AM-AMPS copolymer. The method comprises the following steps of preparing an AM-AMPS copolymer, blending the AM-AMPS copolymer as an additive and a membrane preparation material to obtain a membrane formation liquid, and preparing the ultrafiltration membrane blended with the AM-AMPS copolymer by a nonsolvent-induced phase separation method. Through blending, the AM-AMPS copolymer is introduced, a use amount, hydrophily and charge properties of the AM-AMPS copolymer can be controlled easily, and the AM-AMPS copolymer is not lost in use and has permanent hydrophily and charge properties. The method has simple processes, can be realized easily, has a low cost, realizes large scale application and is especially suitable for filtration and treatment on oil field three mining waste water containing an acrylamide polymer as a main pollutant.

The invention discloses an environment-friendly synthesis method of 1D chain structure nano particles, and aims to provide an environment-friendly synthesis method of 1D chain structure nano particles by one step via utilizing myricetin as a reducing agent and a capping agent under the condition of no mold plate. The method is mild in reaction condition, is simple and convenient to operate, and is low in environment pollution. The technical scheme is that the environment-friendly synthesis method sequentially comprises the following steps: (1) weighing metal salt and myricetin respectively according to substance ratio of (2-10) to 1; (2) dissolving the metal salt weighed in the step (1) into water so as to prepare a metal salt aqueous solution, and dissolving myricetin into a solvent to prepare a myricetin solution; and (3) mixing the metal salt aqueous solution and the myricetin solution, adjusting the pH value to 8-12, reacting at room temperature for 2-30 minutes so as to obtain the 1D chain structure nano particles. The invention belongs to the technical field of nano material preparation.