58results about How to "Easy to scale application" patented technology

The invention discloses an automatic driving test scene generation framework and generation method, and the method comprises the steps: a road network generator is used for obtaining a node file and an edge file generated by a multi-modal large language model based on prompt word engineering and scene description, inputting the node file and the edge file into a traffic simulation tool, and obtaining a road network file synthesized by the traffic simulation tool; the vehicle generator is used for acquiring a plurality of initial vehicle models generated by the multi-modal large language model based on prompt word engineering and scene description, inputting the initial vehicle models into a traffic simulation tool, and acquiring a vehicle model generated after the traffic simulation tool adds a path file for each initial vehicle model; and the scene generation module is used for integrating the road network file and the plurality of vehicle models, obtaining an automatic driving test scene, building a bridge for interactive use of the multi-modal large language model and a traffic simulation tool, and constructing a traffic simulation mechanism of the multi-modal large language model based on a prompt project. A customized, real, reliable and targeted automatic driving test scene can be generated.

The invention relates to a high-frequency and high-performance iron-nickel alloy magnetic powder core and a preparation method and application thereof, belongs to the field of metal magnetic powder cores, and solves the problems that in the prior art, when a metal magnetic powder core is applied at high frequency, high magnetic conductivity, high magnetic conductivity stability and high quality factor are difficult to consider, and the saturation flux density is low. And the preparation process is tedious. The invention discloses a preparation method of a high-frequency high-performance iron-nickel alloy magnetic powder core. The preparation method comprises the following steps: S1, preparing raw materials; s2, performing pretreatment; s3, the pretreated iron-nickel alloy powder and nano SiO2 powder are blended, and inorganic insulation coating powder is obtained; s4, adding the inorganic insulating coating powder into a first coating agent to obtain inorganic and first organic insulating coating powder; s5, adding the inorganic and first organic insulation coating powder into a second coating agent to obtain inorganic and double-layer organic insulation coating powder; and S6, compression molding. The comprehensive magnetic performance of the iron-nickel magnetic powder core is improved, and the preparation process is simplified.

The invention discloses a nanoparticle / polyvinylidene fluoride composite piezoelectric gain photocatalytic antibacterial film and a preparation method and application thereof.The preparation method comprises the steps that a polyvinylidene fluoride solution serves as a core layer spinning solution, and photocatalytic nano sol serves as a skin layer spinning solution; and carrying out coaxial electrostatic spinning on the polyvinylidene fluoride solution and the photocatalytic nano sol to prepare the nano particle / polyvinylidene fluoride composite piezoelectric gain photocatalytic antibacterial film. According to the preparation method disclosed by the invention, nano-scale photocatalytic sol is fixed on the surface of micron-scale polyvinylidene fluoride in one step by utilizing an electrostatic spinning technology, so that the polyvinylidene fluoride is prevented from coating effective components, and the effective components are also prevented from blocking holes of polyvinylidene fluoride fibers; effective separation and directional migration of electrons and holes of sol on the surface are effectively promoted, and the capacity of photocatalytic nano sol for removing biological aerosol is improved. The preparation method is simple in industry, low in energy consumption and easy for large-scale production.

The invention discloses a preparation method of a Bi / Bi4NbO8X piezoelectric photocatalyst with an amorphous crystal interface. The preparation method comprises the following steps: sequentially adding Bi2O3, Nb2O5, BiOX (X is Cl or Br), NaX and LiX into deionized water according to a ratio, stirring for a certain time at 0 DEG C, putting the mixture into a tubular furnace, calcining to obtain a Bi4NbO8Xl precursor material, and dissolving the precursor material into an ethylene glycol solution to obtain the electrolyte. FTO is used as a working electrode, a graphite rod is used as a counter electrode, a saturated calomel electrode is used as a reference electrode, constant current deposition is carried out at room temperature for a certain time, precipitates are collected and washed with deionized water and absolute ethyl alcohol, and centrifugation and drying are carried out. According to the preparation method, amorphization of a matrix is successfully induced, an amorphous / crystalline interface is formed, meanwhile, Bi metal is separated out in situ, and a Bi / Bi4NbO8X (X is Cl or Br) heterostructure is formed. The formation of an amorphous / crystalline interface and a Bi / Bi4NbO8X (X = Cl, Br) heterostructure effectively promotes the separation efficiency of photo-generated charges, so that the catalyst realizes efficient tetracycline (TC) degradation capacity.

This invention relates to a highly efficient functional ceramsite for purifying phosphorus-containing wastewater, its preparation method, and its application. Based on a complementary functional strategy, it uses natural clay rich in Al2O3 and SiO2 as a binder and calcium-rich industrial solid waste as the calcium-rich active component. Functional additives are also added to mitigate pH changes caused by calcium oxide reactions. The above raw materials are calcined at high temperature to obtain inexpensive, calcium-rich functional ceramsite with high mechanical strength, large adsorption capacity, and ecological safety. This effectively solves the common problems of increased water pH and poor phosphate adsorption capacity at neutral pH in calcium-based ceramsite, achieving highly efficient phosphorus purification in water. This invention uses inexpensive and readily available natural clay and calcium-rich industrial solid waste as raw materials, resulting in low cost, good effect, and effective application in the treatment of low-pollution water.

The invention discloses a lightweight high-strength bio-based chitosan hybrid aerogel and a preparation method thereof, and aims to solve the problems of brittleness and frangibility, powder falling, slag falling, toxic raw materials, complex preparation process, high cost and the like of the existing aerogel material. The lightweight high-strength bio-based chitosan hybrid aerogel is prepared by the following steps: uniformly stirring chitosan, polyvinyl alcohol, nano cellulose and metal oxide or non-metal oxide serving as raw materials to obtain a mixed solution, adding a cross-linking agent into the mixed solution, and obtaining bio-based chitosan gel through a sol-gel method; and carrying out program staged heating aging, solvent replacement and supercritical fluid drying to prepare the composite material. The aerogel has a nano-porous three-dimensional network framework and is low in density, high in strength and low in heat conductivity, raw materials used in the preparation method are easy to obtain and environmentally friendly, the requirement for equipment is low, the technical route is simple, operability is high, and the aerogel is suitable for industrial production to be put into the market and convenient for large-scale application in the field of construction and building materials.

The invention discloses a method for selectively separating valuable metals from a positive electrode material of a waste lithium battery, and belongs to the technical field of resource recycling of waste lithium ion batteries. The method comprises the following steps: preparing an aprotic deep eutectic solvent (DES) as a leaching agent and an electrolyte at the same time; the method comprises the following steps: adding a waste positive electrode material into DES, and leaching to obtain a DES leaching-electrolyte system; according to the method, the pulse voltage is applied in stages, selective separation of nickel, cobalt and manganese is achieved by controlling the pulse peak voltage (the first stage is-0.8 V to-1.0 V, the second stage is-1.0 V to-1.2 V, and the third stage is-1.2 V to-1.5 V), and the pulse frequency and the duty ratio are used for regulating and enhancing mass transfer and restraining side reactions. According to the method, the metal deposition potential difference is expanded through DES coordination regulation and control, efficient selective separation of nickel, cobalt and manganese is achieved in combination with pulse step-by-step voltage control, and the method has the advantages of being high in separation efficiency, few in side reaction, simplified in process, high in product purity and the like.

The present application relates to the technical field of bamboo fiber composite material, in particular to a purification preparation method of bamboo fiber reinforced natural polymer composite material. The bamboo raw material is crushed and treated by steam explosion to obtain primary bamboo fiber; the primary bamboo fiber is sequentially subjected to organic solvent dewaxing treatment and oxidation system selective delignification treatment to obtain purified bamboo fiber; the purified bamboo fiber is treated in a tannin acid solution to form a polyphenol interface layer on the surface thereof; and a solution containing polyvalent metal ions is added to the treated bamboo fiber to form a coordination cross-linking interface layer on the surface of the bamboo fiber. The present application constructs a stable interface layer between the fiber and the natural polymer matrix. The interface layer can effectively transfer stress, significantly improve the tensile strength, bending strength and shear strength of the composite material, and solve the problem of weak interface and easy delamination of traditional natural composite materials.

The present invention discloses a tactile sensor, a method for obtaining a normal force, a dexterous hand and a robot, belonging to the technical field of sensors, which includes a base, two or four point normal pressure sensors arranged on the base, and a rigid connecting body arranged on the two or four point normal pressure sensors; the base and the rigid connecting body are respectively located on both sides of the two or four point normal pressure sensors; the rigid connecting body is used to bear the acting force; the two or four point normal pressure sensors are used to measure the component force of the normal acting force received by the rigid connecting body on the point normal pressure sensors. A tactile sensor, a method for obtaining a normal force, a dexterous hand and a robot of the present invention can effectively solve the problems existing in the prior art tactile sensors, such as detection dead angles, limited measurement ranges, complex structures, high costs, etc.

According to the preparation method of the heterostructure sodium electric layered oxide positive electrode material, the positive electrode material is of a heterostructure and comprises a P2 and O3 two-phase structure, and a potassium ion layered oxide precursor is subjected to ion exchange and heat treatment to obtain the heterostructure sodium electric layered oxide positive electrode material. According to the preparation method provided by the invention, the sodium electric layered oxide positive electrode material with a P2 / O3 heterostructure can be obtained. In the ion exchange process, sodium ions separated from the sodium-containing molten salt and potassium ions of the potassium ion layered oxide are replaced, under the driving of the chemical potential gradient, intercalation of the sodium ions is accompanied with separation of the potassium ions, the interlayer spacing is gradually reduced under the action of coulomb force, and the P phase is gradually converted into the O phase. According to the invention, the sodium electric layered oxide material with high rate capability and cycling stability is obtained; the material has the fast charging performance, and meanwhile, the long circulation stability is improved. The sodium battery positive electrode material obtained by the method is stable in structure and easy for large-scale application.

This invention discloses a concrete mix design and manufacturing method for underground engineering concrete in a coupled environment of underground environment and load, relating to the field of underground engineering concrete technology. It aims to address the problem that traditional concrete mix design does not fully consider the coupling effect of underground environment and load. The underground environment includes groundwater erosion, wet-dry cycle, and temperature fluctuation; the load includes stress ratio. α s Dynamic load frequency and dynamic load amplitude α d This leads to technical problems such as insufficient erosion resistance, crack resistance, and mechanical stability of concrete, resulting in a short service life. This mix design is based on quantitative analysis of coupled environmental parameters. With cement, composite admixtures, recycled aggregates, modifiers, water, and additives as core components, the basic mix proportion is determined through a mapping model between "environment-load" coupled parameters and component content. The target mix proportion is then obtained through orthogonal experimental optimization. The manufacturing method includes four core steps: raw material pretreatment, graded mixing, gradient curing, and coupled environmental simulation curing.

This invention relates to the field of road engineering technology, and more particularly to a multi-objective performance coupling design method for warm-mix synchronously recycled SBS modified asphalt. The method determines the aging degree of aged SBS modified asphalt through testing, and accordingly determines the optimal dosage of the two-component synchronous recycling agent and the warm-mix agent. Subsequently, a diffusion model and a fusion degree calculation model for new and old SBS modified asphalt are established to quantitatively analyze the fusion degree of new and old asphalt under different temperatures and aged asphalt dosages. Based on this, a fusion degree spectrum is constructed, and by defining thresholds for each performance index, a feasible design scheme range for balanced performance is obtained, thereby determining the optimal mixing temperature and the maximum dosage of aged SBS modified asphalt. This invention can quickly determine the maximum allowable dosage of aged SBS modified asphalt and its corresponding optimal mixing temperature while considering multiple performance objectives, providing a reliable theoretical basis for the durability design of high-performance recycled SBS modified asphalt pavements.

The invention discloses a polychlorinated polymer / graphene oxide composite membrane for ammonia separation and a preparation method thereof, and the preparation method comprises the following steps: S1, dissolving graphene oxide in a solvent I, and depositing on a porous polymer substrate through a vacuum filtration device to obtain a graphene oxide composite membrane; s2, dissolving a nitrogen heterocyclic compound containing a carbon-carbon double bond, a cross-linking agent and an initiator in a solvent II, spin-coating on the graphene oxide composite film, and then heating for 2-8 hours to obtain a polymer / graphene oxide composite film; s3, soaking the polymer / graphene oxide composite membrane in a halogenated hydrocarbon solution to obtain a quaternized polymer / graphene oxide composite membrane; and S4, soaking the quaternized graphene oxide polymer composite membrane in a metal chloride solution to obtain the polychlorinated polymer / graphene oxide composite membrane. The obtained composite membrane has an efficient ammonia separation effect, and when the composite membrane is used for separating ammonia-containing gas, the ammonia permeability reaches up to 3586.3 Barrer, and the ammonia / nitrogen selectivity and the ammonia / hydrogen selectivity respectively reach up to 674.1 and 214.8.

The invention discloses a microdomain environment building method for imitating wild cultivation under a morchella forest, and relates to the technical field of edible fungus cultivation, the method comprises the following steps: selecting an under-forest area with canopy density of 0.7-0.9 for ecological transformation, applying an organic material, and disinfecting; the temperature is controlled to be 15-20 DEG C by comprehensively applying canopy shading, a sunshade net, a small arched shed and the like, the air humidity is maintained to be 80%-90% through monitoring of a sensor and spraying or drip irrigation, and the soil water content is controlled to be 60%-70%; a bionic matrix formed by mixing wood sections, branches and fallen leaves is laid, and after strains are sown, the seedlings are covered with nutrient covering soil formed by mixing under-forest humus soil, turfy soil and vermiculite; selecting high-quality strains for inoculation; an Internet of Things system is arranged to monitor temperature, humidity, illumination and COO in real time, and environment factors are automatically adjusted; performing fine management according to the growth stage and adopting green prevention and control; the method can significantly improve the yield, quality and cultivation success rate of morchella esculenta, and has the advantages of being eco-friendly, low in cost and replicable.

This invention discloses an aluminum-containing heavy water-based electrolyte, its preparation method, and its applications. The electrolyte comprises a solvent and a solute. The solvent includes heavy water, a deuterated solvent, and a low-barrier hydrogen bond reconstructing agent. The solute comprises a main aluminum salt and an auxiliary monovalent metal salt. This electrolyte can construct low-barrier hydrogen bonds in solution by controlling the solvent composition, significantly reducing the activity of water in the solution, improving the electrochemical stability of the solution, and suppressing side reactions. Simultaneously, it improves the electrochemical reaction behavior of aluminum in the solution and at the electrolyte / electrode interface, which is beneficial for improving the electrochemical deposition efficiency of aluminum in aqueous solution.

The application discloses a SNP molecular marker related to eye muscle area of a long white pig and application thereof, and relates to the technical field of biotechnology and molecular marker technology. The application adopts a SNP molecular marker as a detection target to determine or predict the size of eye muscle area of a long white pig. The sequence of a nucleic acid containing the SNP molecular marker is shown in SEQ ID No. 1. The SNP molecular marker is located at the 300th site from the 5' end in the nucleic acid sequence shown in SEQ ID No. 1, corresponds to the 10185432th site of the 6th chromosome of an international pig genome 11.1 version reference sequence, and the allele is C or T. The application provides an EMA related SNP molecular marker with clear location and clear effect direction, which is used for molecular determination and breeding application of the long white pig. Meanwhile, a corresponding selection and matching detection scheme is provided to improve the genetic level of a population EMA and accelerate the breeding process.

The application discloses a high-resolution satellite image urban area shadow-removed ARD production method and device, and belongs to the technical field of remote sensing image processing. The method comprises the following steps: firstly, screening out images covering urban areas; performing radiation calibration on high-resolution satellite images covering urban areas to obtain apparent radiance images; based on the apparent radiance images, performing preliminary shadow detection by using a pre-trained deep learning model; using a near-infrared band of an atmospheric-corrected ground reflectivity image, performing false detection elimination on the preliminary detection result by adaptive threshold segmentation to obtain a final shadow mask; performing histogram matching processing on the shadow area based on the shadow mask on the atmospheric-corrected ground reflectivity image to realize shadow removal; and finally, outputting the shadow-removed ARD product. The application significantly improves the shadow detection precision and the quantitative reliability of the ARD product, and is suitable for large-scale ARD production of high-resolution satellite images in urban areas.

The invention discloses a lost grain identification system and method based on an energy distinguishing method and a regression model. The system comprises a signal acquisition device, a signal processing circuit and a lost grain detection counting system. The signal acquisition device comprises an induction plate and a piezoelectric element; the signal processing circuit comprises an in-phase proportional amplification circuit, an envelope detection circuit and an in-phase integral circuit; the signal processing circuit further comprises three voltage comparator circuits which are connected in parallel, and voltage thresholds corresponding to the three voltage comparator circuits are different. The lost grain detecting and counting system comprises a single-chip microcomputer. The single-chip microcomputer is used for reading the signals output by the three voltage comparator circuits, determining the types of the objects according to the number of falling edges of the three signals, and counting the objects of all types. According to the invention, accurate distinguishing and detection of grains and impurities can be realized, and a reference is provided for adjusting working parameters of a cleaning system in actual production of the rape combine harvester.

The application discloses a kind of geotextile tube high-efficiency dehydration consolidation system and method based on heating drainage plate, including geotextile tube body, still include: set in the heating drainage plate unit of geotextile tube body inside, the heating drainage plate unit includes drainage plate core, filter membrane wrapped in drainage plate core outside and electric heating element inlaid or attached in drainage plate core;With the drainage outlet communication of the heating drainage plate unit Drainage main pipe;The electric heating element is electrically connected with external power supply by wire.The application can realize active heating to mud in bag by integrating internal heating and drainage function, thereby reducing the viscosity of water, destroying capillary action, accelerating water migration, ultimately achieving the effect of greatly shortening dehydration period and reducing final moisture content.

The utility model discloses a greenhouse hydrogen fertilization system structure and an intelligent greenhouse, and relates to the technical field of hydrogen fertilization facilities, the greenhouse hydrogen fertilization system structure comprises: a hydrogen fertilizer generation device for generating a hydrogen fertilizer; the fertilizing device comprises a moving mechanism and a fertilizing mechanism, the moving mechanism comprises a guide rail and a moving seat, the guide rail is used for being arranged in the greenhouse, the moving seat is movably arranged along the guide rail, the fertilizing mechanism is installed on the moving seat, and the moving seat is used for driving the fertilizing mechanism to move in the greenhouse along the guide rail; the fertilizer conveying pipeline is used for conveying the hydrogen fertilizer generated by the hydrogen fertilizer generating device to the fertilizer applying mechanism, the fertilizer conveying pipeline comprises a fixed part and a follow-up part, the fixed part is connected with the hydrogen fertilizer generating device, and the follow-up part is connected with the fertilizer applying mechanism. The hydrogen fertilizer generating device, the fertilizer applying device and the fertilizer conveying pipeline are matched, so that the effect of large-scale application is facilitated.

The invention discloses a corrosion inhibitor for a snow-melting agent, which is low in price, environment-friendly and excellent in corrosion resistance, and is mainly used for a chlorine salt snow-melting agent so as to reduce the loss caused by corrosion of the snow-melting agent to metal facilities such as roads and the like. The formula of the corrosion inhibitor mainly comprises D-sodium gluconate, an organosilicon polymer and urea. By simulating a chlorine salt environment causing metal corrosion, the corrosion inhibition effect of the composite corrosion inhibitor with different mass ratios in the formula is tested. On the basis, the formula composition is optimized, the formula composition with the best corrosion inhibition effect is determined, and the corrosion inhibition rate reaches 78.76%. The composite corrosion inhibitor formula has the advantages that through the synergistic effect of the three corrosion inhibition components, corrosion of the snow-melting agent to metal facilities such as roads can be effectively relieved, and the sustainable development purposes of environmental protection and resource saving are achieved.

The invention discloses a water reducing agent modified basalt fiber reinforced cement concrete and a preparation method thereof, and belongs to the technical field of material and traffic crossing. The preparation method comprises the following steps: firstly, synthesizing a water reducing agent containing carboxyl, amino and a polyether side chain, and carrying out surface chemical grafting modification on basalt fibers subjected to alkali liquor hydroxylation treatment by using the water reducing agent to obtain modified basalt fibers; during concrete preparation, the modified basalt fiber is added into a concrete dry material according to a specific volume mixing amount to be dispersed, and the water reducing agent dry material is further doped during wet mixing. Through dual application of the water reducing agent in fiber modification and concrete compounding, the interface bonding force between the fiber and a cement matrix and the dispersity of the fiber in concrete are synergistically improved, and the problem that the workability and the mechanical property of the concrete are difficult to consider at the same time under the condition of high mixing amount of the basalt fiber is solved; the strength and durability of the concrete are remarkably improved while excellent construction fluidity is guaranteed, and the engineering application range of the concrete is expanded.

This invention discloses a method for optical interconnection of silicon photonic chips based on meniscus-guided additive manufacturing, belonging to the field of silicon photonic chips. The method includes: in a controlled gas environment, using a printing material system containing polymers and organic solvents, stretching a liquid bridge between the optical interfaces of two silicon photonic chips using microneedles, and guiding the movement of the meniscus to form a polymer filament connecting the two ends. Subsequently, the solvent evaporates and solidifies, ultimately forming a free-space polymer optical waveguide spanning the chips. This method does not rely on high-energy lasers or adhesive application and washing processes, and is simple, low-cost, and highly efficient. The fabricated waveguides can achieve controllable spans from hundreds of nanometers to hundreds of micrometers in diameter and tens of micrometers to millimeters in length. The end faces can be optimized into controllable transition structures, effectively improving mode matching and coupling efficiency. It features low insertion loss, high alignment tolerance, and good mechanical stability, making it suitable for high-density silicon photonic packaging and heterogeneous integration.

This application relates to a method, system, electronic device, and storage medium for early warning of acute mountain sickness. The method includes: collecting physiological data from a step test conducted on a subject at a target plain altitude; generating at least one physiological principal component based on the step test data; performing cluster analysis on the at least one physiological principal component to obtain risk classification clusters; obtaining the actual high-altitude Lake Louise score of the subject in each risk classification cluster and calculating the score interval proportion to determine the risk classification label; and providing an early warning of acute mountain sickness to the user based on the risk classification label. This solves the problems in related technologies, such as high dependence on specialized testing equipment and laboratories, time-consuming testing processes, inability to screen individuals before they enter high altitudes, difficulty in achieving non-invasive and simple screening, and inability to effectively determine the acute mountain sickness tolerance of new subjects, thus hindering personalized early warning and prevention.

The invention discloses a novel automatic connecting piece for shield tunnel segments and a machining method, and relates to the field of shield tunnel engineering.The connecting piece comprises a C assembly pre-buried in concrete of a first segment, and the surface of the C assembly is flush with the surface of the concrete; the O assembly is pre-buried in concrete of the second segment, and a horn-shaped guide hole is formed between the end of the O assembly and the surface of the concrete; the component I is assembled in the component C and is used for being inserted into the component O when the duct pieces are assembled; wherein the component C comprises a main body frame for accommodating the component I, and a sliding mechanism is arranged in the main body frame; and the component I can move in the joint plane through the sliding mechanism. By arranging the C assembly with the guiding and sliding functions, the I assembly serving as the middle connecting body and the O assembly with the locking function, the problem that an existing connecting piece is complex in functional structure and difficult to accurately match can be solved, and therefore the efficiency and accuracy of segment splicing are improved.

The invention discloses a difunctional gypsum admixture as well as a preparation method and application thereof, and belongs to the technical field of building material admixtures. According to the invention, vegetable tannin is coated on the surfaces of metal oxide nanoparticles, and another metal ion is coordinated on a tannic acid coating layer to assemble core-shell structure nanoparticles, so that the difunctional gypsum admixture is obtained. The difunctional gypsum admixture provided by the invention can delay the gypsum coagulation time and increase the plasticity time of gypsum slurry, after the admixture accounting for 10-50% of the mass of gypsum is introduced, the initial setting time of the gypsum is prolonged to 20-70 min, meanwhile, the assembly of the core-shell structure gives full play to the synergistic effect of the two high Z elements, efficient shielding of the gypsum to X rays is realized, and the strength of the gypsum is improved. Meanwhile, the problem that metal oxide nanoparticles are difficult to uniformly and stably load on gypsum crystals is solved.

The invention relates to the technical field of carbon material preparation and modification, in particular to a preparation method of conductive carbon black with high specific surface area. The preparation method provided by the invention comprises the following steps: under a protective atmosphere, heating a raw material carbon black to 350-550 DEG C for first heat treatment, then heating to 800-950 DEG C for second heat treatment, and continuously heating to 1300-1600 DEG C for third heat treatment to obtain intermediate carbon black; sequentially carrying out water vapor activation and carbon dioxide activation on the intermediate carbon black to obtain the conductive carbon black with high specific surface area, the temperature of water vapor activation is 850 to 950 DEG C; the activation temperature of the carbon dioxide is 900 to 1000 DEG C. Impurities are removed through gradient heat treatment, a carbon skeleton is rearranged, and then water vapor and CO2 physical activation are utilized to cooperatively regulate and control micropore and mesoporous structures, so that the high specific surface area and the high conductivity are taken into account.

The present invention discloses an enhanced hydrophobic polypropylene hollow fiber composite membrane and a preparation method thereof. The method comprises: (1) providing a casting solution containing polypropylene, a hydrophobic additive, an emulsifier and a diluent; (2) using a concentric circle composite spinning method to allow the casting solution to be bonded to the outer surface of a tubular reinforcing body. The method can effectively improve the hydrophobicity of the polypropylene hollow fiber composite membrane and improve its mechanical properties, so that the obtained hollow fiber composite membrane can meet the needs of application scenarios such as oil-water separation.

This invention discloses a method and system for quantifying cigarette consumer preferences based on multimodal fusion, belonging to the fields of data processing and artificial intelligence technology. The method includes: collecting voice data from consumers during smoking and behavioral observation data recorded in real-time by interviewers; processing the voice data to extract text features and acoustic emotion features; structurally encoding the behavioral observation data to generate a temporal behavioral feature sequence; and inputting the multimodal features, after time alignment, into a multimodal fusion analysis model based on an attention mechanism for fusion analysis, generating and outputting a structured quantitative index of consumer preferences. The system includes corresponding functional modules for implementing the above steps. This invention solves the problems of high cost, single insight dimension, and difficulty in quantifying conclusions associated with traditional methods. It can efficiently and accurately fuse consumers' subjective speech and objective behavioral responses in natural interview scenarios, outputting quantitative preference indicators that can directly guide cigarette product development, and has significant advantages such as low cost, high feasibility, and operable results.

The present invention relates to a uranium extraction method and system, which comprises: pre-reducing an adsorbent to make the adsorbent reducible; placing the adsorbent in a uranium-containing solution, causing the adsorbent to undergo an oxidation-reduction reaction with a uranium-containing compound or uranium-containing ion in the uranium-containing solution and adsorbing uranium in the solution; separating the adsorbent from the uranium-containing solution to obtain an adsorbent adsorbed with uranium; placing the adsorbent adsorbed with uranium in a deuranization solution to desorb uranium from the adsorbent to obtain uranium enrichment. The method or system decouples the application of reducing charge to the adsorbent and the reaction of the adsorbent with the uranium-containing solution in time and space, thereby avoiding the generation of ion polarization during the reaction and greatly reducing the competition of other ions in the uranium-containing solution.