Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

247results about How to "Improve the environment" patented technology

Traffic and air pollution bidirectional coupling flow prediction method based on double-path dynamic fusion

ActiveCN121938205AAccurately characterize inhibitory effectsAccurately characterize cumulative effectsDetection of traffic movementSimulationTraffic flow
The invention relates to the technical field of intelligent traffic and Internet of Vehicles, in particular to a traffic and air pollution bidirectional coupling flow prediction method based on double-path dynamic fusion. Comprising the following steps: collecting traffic flow and air pollutant concentration data, and carrying out space-time alignment and reversible instance normalization; the data is divided into two branches, the first branch extracts time-dependent features through gated convolution and probability sparse self-attention, and the second branch obtains variable interaction features through dimension remodeling, context extraction and reversible coupling transformation; bidirectional feature interaction is carried out through cross attention, weights are dynamically generated based on channel attention, and residual connection is carried out after weighted fusion; and performing linear mapping and inverse normalization on the fused features to obtain a traffic flow predicted value. According to the method, the prediction precision and robustness in a pollution sensitive scene are remarkably improved.
Owner:EAST CHINA JIAOTONG UNIVERSITY

Low-cost ammonia-free waterproof emulsion as well as preparation method and application method thereof

The invention discloses a low-cost ammonia-free waterproof emulsion as well as a preparation method and an application method thereof, and belongs to the technical field of cement coatings. Comprising the following steps: mixing and stirring an emulsifier, a monomer and deionized water to obtain a pre-emulsion; adding deionized water into the reaction kettle to obtain a kettle bottom material; adding 0.9% of the pre-emulsion and an initiator a into the kettle bottom material in a stirring state, dropwise adding the rest of the pre-emulsion and the initiator b at the same time after 15 minutes, controlling the pre-emulsion and the initiator b to be dropwise added at the same time, and keeping the temperature after dropwise adding is finished; adding an oxidizing agent and a reducing agent to eliminate residual monomers, then adding a neutralizing agent to adjust the pH value, and adding an auxiliary agent; wherein the emulsifier comprises an anionic emulsifier and a nonionic emulsifier in a mass ratio of (2-3): 1; the monomers comprise styrene, butyl acrylate and functional monomers, and the functional monomers are hydroxyethyl acrylate and beta-acryloyloxypropionic acid. The low-cost ammonia-free polymer cement waterproof coating prepared from the emulsion disclosed by the invention has the advantages of low cost, environmental friendliness, good constructability and excellent mechanical properties.
Owner:SHANGHAI BAOLIJIA NEW MATERIAL CO LTD

High-yield cultivation system and method for star anise trees

ActiveCN121058500BReduce the proportionincrease variety
This invention relates to the field of high-yield cultivation technology, specifically to a high-yield cultivation system and method for dwarfing and dense planting of star anise trees. The system includes a planning and setting module, a soil temperature sensing and monitoring module, a soil temperature analysis module, and a pruning and fertilization adjustment module. The soil temperature sensing and monitoring module includes several temperature sensors buried in the rhizosphere soil of the star anise trees. The soil temperature analysis module receives the daily average and daily difference values ​​of soil temperature collected by the soil temperature sensing and monitoring module, and converts them into information on the microbial activity of the planting soil and the canopy leaf density to regulate planting, pruning, and fertilization. The method includes S1 variety and rootstock selection, S2 dense planting planning, S3 planting and soil temperature monitoring and setting up, S4 pruning and fertilization of young trees, and S5 mature tree management. This invention solves the technical defects of traditional dwarfing and dense planting of star anise trees, such as the mismatch between uniform shaping management and tree growth needs caused by environmental heterogeneity, and yield fluctuations, by constructing a dynamic control system driven by soil temperature data.
Owner:CENXI QIPING FOREST FARM

A kitchen air conditioning system and a control method thereof

The application relates to a kitchen air conditioning system and a control method thereof, and the kitchen air conditioning system comprises an air conditioning assembly, a first casing, a compressor, a condenser, an evaporator and a sterilization module, the compressor, the condenser and the evaporator are connected through refrigerant pipelines; an air outlet channel is arranged in the first casing, the evaporator and the sterilization module are arranged in the air outlet channel, and the air outlet channel is provided with a first air inlet and an air outlet which are communicated with a kitchen room; the application further comprises a detection module for detecting the number of bacteria and / or viruses in the kitchen; a controller is electrically connected with the detection module and the sterilization module, and the controller is configured to control the sterilization module to work according to the detection result of the detection module. The system can sterilize the bacteria in the kitchen air while realizing refrigeration, so as to improve the kitchen environment and improve the user experience.
Owner:NINGBO FOTILE KITCHEN WARE CO LTD

Fluorine-free waterproof fabric and preparation process thereof

PendingCN122279969AImprove binding stabilityImprove waterproof durabilityPolymer scienceCyclodextrin
This invention relates to the field of functional textile materials technology, and discloses a fluorine-free waterproof fabric and its preparation process. The fluorine-free waterproof fabric is composed of a host-guest inclusion crosslinking type organosilicon synergistic film-forming agent, an organic small molecule film-forming component, a crosslinking promoter, a dispersant stabilizer, a softening agent, and a solvent. The host-guest inclusion crosslinking type organosilicon synergistic film-forming agent is prepared by forming a host-guest inclusion structure with β-cyclodextrin and adamantane carboxylic acid, followed by reactive modification with 3-isocyanate propyltriethoxysilane. The organic small molecule film-forming component is norbornene-2-carboxylic acid. Through host-guest inclusion, crosslinking, and organic small molecule synergistic film formation, a stable and dense fluorine-free waterproof functional layer is formed on the fabric surface. This invention significantly improves waterproof performance and its washability and abrasion resistance without using fluorine-containing compounds, while also maintaining the soft hand feel of the fabric, demonstrating good environmental friendliness and application prospects.
Owner:WUJIANG TUTAIKE TEXTILE & FINISHING CO LTD

A composite microbial fertilizer, a preparation method and application thereof

The application provides a compound microbial fertilizer, a preparation method and application thereof. The compound microbial fertilizer comprises the following components in parts by weight: 10-30 parts of a compound microbial agent, 20-50 parts of an agent carrier, 30-50 parts of a compound fertilizer slow-release agent and 10-30 parts of modified urea aldehyde. The compound microbial fertilizer prepared by the application can be applied to growth tests of tomatoes, and higher yield, stem thickness growth value, vitamin C content and sugar acid ratio can be obtained. The compound microbial fertilizer has long-term effect, can release phosphorus, nitrogen and potassium and the like, has the effects of moisturizing and loosening soil, can increase the yield and quality of tomato fruits, promote the robustness of roots and stems and improve the eating taste.
Owner:YUEQING ZHUYUN TECHNOLOGY CO LTD

Intelligent scheduling and user participation method and system for rice-rice-oil crop accept farming operation

PendingCN121787858AAvoid job timeliness failuresenforce continuityData processing applicationsBiological modelsAgricultural scienceAgricultural engineering
The invention discloses an intelligent scheduling and user participation method and system for rice-oil rotation adopting farming operation, and relates to the technical field of intelligent agriculture and agricultural digital management, and the method comprises the steps: obtaining environment, crop phenotypes and user interaction data, and generating a first feature vector of crop urgency and a second feature vector of user behavior; performing primary screening based on the feature vectors to obtain candidate time windows, and calculating group risk parameters; constructing a safety buffer margin by using the parameter to correct a physical residual time length, and delimiting a safety operation feasible region; constructing an objective function containing mechanical cost and user matching degree potential energy in the domain, and determining a scheduling instruction through optimization; according to the method, random uncertainty characteristics of external group interaction behaviors are quantified and converted into dynamic boundary constraint conditions of an agricultural machinery operation scheduling model, an elastic operation time domain with anti-risk capability is constructed, and safe and efficient scheduling of agricultural machinery resources under multi-dimensional complex constraints is realized.
Owner:GUANGDONG OCEAN UNIVERSITY

A fat-reducing composition for regulating the gut and its preparation method

This invention relates to the field of nutritional food technology, specifically to a fat-reducing composition for regulating the gut and its preparation method. The fat-reducing composition for regulating the gut comprises the following components by weight percentage: 20-25% solid coconut diglyceride microcrystalline powder, 15-20% fermented gel freeze-dried powder, 3-5% citrus pectin, 8-12% psyllium husk powder, 10-15% defatted coconut powder, 5-8% resistant dextrin, 8-10% pea protein powder, 3-5% freeze-dried mango powder, 4-7% erythritol, 1-2% microcrystalline cellulose, and 0.5-1% citric acid powder. This invention effectively solves the core problems of traditional fat-reducing products—poor ingredient stability, low bioavailability, and limited efficacy—through the dual progressive effects of physical structure and biological fermentation. It systematically achieves a synergistic effect of delaying fat digestion and absorption, long-lasting satiety enhancement, and precise regulation of gut microbiota health, completing a systematic engineering leap from single-component stimulation to simulating human metabolic pathways. This provides a stable, efficient, and safe complete solution for fat-reducing functional foods that regulate the gut.
Owner:CHANGWEI BIOTECHNOLOGY (GUANGZHOU) CO LTD

A service scheduling and execution method and system for cross-application in a vehicle environment

This application provides a cross-application service scheduling and execution method and system in a vehicle environment, relating to the field of intelligent vehicle system technology. It acquires known service-related data of the vehicle system, as well as environmental perception data and user voice information of the vehicle environment; parses the user voice information to obtain target demand information, intent association information, and voice feature information; forms scene adaptation parameters based on environmental perception data; generates multiple second instruction transmission signals based on target demand information; detects each target demand information based on service-related data, intent association information, voice feature information, and scene adaptation parameters, obtains detection results, and combines these with the second instruction transmission signals to schedule and execute multiple cross-application services in the vehicle environment, generating service scheduling and execution results. This achieves dynamic coordination and orderly scheduling of cross-application services, improving the response accuracy and execution security of the vehicle system in complex driving scenarios.
Owner:BEIJING DAFANG YUNTU TECH CO LTD

Highly active acid hydrolyzed biochar

The present application belongs to the technical field of biochar, and particularly relates to a high-activity acidolysis biochar, which is prepared by the following steps: S1, pretreating agricultural and livestock waste; S2, acidolysing the pretreated biomass with dilute acid to obtain acidolysed biomass; S3, placing the acidolysed biomass into a high-temperature furnace to perform carbonization under an oxygen-free condition, and using a step-by-step heating mode to obtain preliminary biochar; and S4, mixing the preliminary biochar with a copolymer solution to prepare the high-activity acidolysis biochar. In the present application, the sodium lignosulfonate-polyglutamic acid copolymer forms a stable connection with the biochar through chemical bonding, the porous surface of the biochar is uniformly covered with the copolymer to form a nanoscale film, the composite has stronger complexing, chelating and ion exchange capacity for heavy metal ions and other cations in the soil, and is helpful to reduce toxic substances in the soil and improve the soil environment.
Owner:SHENYANG AGRI UNIV

Phosphating sediment reducing additive and preparation method thereof

The application relates to the technical field of phosphating aids, and discloses an aid for reducing phosphating sediment and a preparation method, which is composed of the following raw materials in percentage by weight: organic phosphonic acid sediment inhibitor 20-40%, high-molecular dispersant 10-25%, complexing stabilizer 5-15%, pH buffer 2-8%, oxidant 1-5%, surfactant 0.5-3%, and the balance is deionized water. Through the synergistic effect of the core components, the organic phosphonic acid sediment inhibitor and the high-molecular dispersant, a multiple protective barrier of "inhibiting nucleation, resisting scale growth and dispersing and stabilizing" is constructed, so that the generation and adhesion of the sediment are fundamentally reduced.
Owner:ANHUI CHUNLEI HAOYU NEW MATERIALS CO LTD

Sound box with decoration function

The utility model provides a sound box with decoration function, include: cat type shell, sound box body, LED lamp module, tail bluetooth microphone module, speech interaction module, power module, among them, cat type shell is made of soft material, whole structure is cat moulding, cat type shell is equipped with tail interface groove, is used for inserting tail bluetooth microphone module. The sound box body is arranged in the torso area of the cat type shell, the surface is equipped with loudspeaker sound hole, the LED lamp module is located in the cat head upper position for changing color with music rhythm, the tail bluetooth microphone module is the pluggable structure, is independent microphone after pulling out, the tail end is equipped with microphone pickup hole, inserts the tail interface groove, the speech interaction module built -in speech recognition and audio output chip, the power module is used for power supply for above -mentioned each function module. Through adopting the design of cat type shell, gives the sound box unique visual modelling, promotes its as home decoration value.
Owner:DONGGUAN FALA OU ELECTRICAL APPLIANCES CO LTD

Multi-physical field information enhanced sensing method and system for underwater robot

The invention provides a multi-physical field information enhanced perception method and system for an underwater robot. The method comprises the following steps: inputting perception data of the underwater robot into a multi-physical field information perception model comprising a feature extractor, an attention enhancement decoder and a multi-task prediction head; the feature extractor extracts real domain invariant features of the perceptual data, the attention enhancement decoder is used for performing attention enhancement on the real domain invariant features to obtain attention features, and the multitask prediction head determines a perceptual result based on the attention features. According to the method, a contact segmentation result, a force field reconstruction result and a three-dimensional shape sensing result can be synchronously output only based on sensing data of a single source through a unified multi-task sensing model architecture, so that the problems of single sensing dimension and multi-physical field information splitting of a sensor in the prior art are solved; by extracting real domain invariant features and performing attention enhancement, the environment perception ability and the operation precision in a complex underwater environment are significantly enhanced.
Owner:INST OF AUTOMATION CHINESE ACAD OF SCI

A longitudinally foldable water-air dual propeller

The application discloses a longitudinally foldable water-air dual-purpose propeller, and belongs to the technical field of cross-medium aircraft propulsion, comprising a new-configuration hub, a longitudinal folding mechanism, a limiting structure and a down-bending propeller blade with a preset down-bending angle; the configuration of the propeller enables the down-bending propeller blade to be completely unfolded to form a first working configuration through centrifugal force in air, and the down-bending propeller blade to be passively folded and limited to form a second working configuration through hydrodynamic lift in water; the longitudinally foldable water-air dual-purpose propeller can automatically complete mode switching according to the difference between working media without any active control mechanism, and can maintain high efficient propulsion performance in both media.
Owner:BEIHANG UNIV

Abnormal behavior recognition method based on visual large model and cognitive Agent

The invention discloses an abnormal behavior identification method based on a visual large model and a cognitive Agent, and relates to the technical field of computer vision, and the method comprises the steps: collecting an RGB image and an infrared thermal imaging IR image in a monitoring scene, and extracting a human body key point sequence; performing time sequence difference processing on the key point sequence, and constructing a skeleton velocity vector containing a motion trend; inputting the skeleton velocity vector into a Mamba model, adjusting model parameters by using a selective state space mechanism, and carrying out long-time-sequence modeling on the action sequence; predicting the speed variation of the next frame by adopting a residual prediction architecture and reconstructing a human body posture; and calculating an abnormal score according to the prediction error, triggering a cognitive Agent when the score exceeds a preset threshold value, calling a visual large model (VLM) to perform semantic analysis on the current scene environment, and generating a natural language warning containing an abnormal type and an environmental cause. According to the method, the forgetting problem of a traditional model in a long sequence and the jitter problem of a prediction action are solved.
Owner:SOUTHWEST UNIV

Method for simulating phosphorus and chromium migration when acid mine wastewater is used for irrigating farmland

The invention discloses a method for simulating phosphorus and chromium migration during farmland irrigation with acid mine wastewater, which comprises the following steps: mixing a plant-derived organic material with deionized water to obtain a soluble organic matter; h2O2 oxidizes Fe < 2 + > to prepare pure Schwertmannite, and the pure Schwertmannite is placed in a phosphate solution to obtain phosphorus-loaded Schwertmannite; mixing the phosphorus-loaded Schwertmannite and the soluble organic matter with a chromate solution, carrying out oscillation adsorption, carrying out solid-liquid separation after adsorption, carrying out CrO and POconcentration change test on filtrate, and carrying out mineral characterization on separated solids; a three-dimensional fluorescence spectrum is adopted to track composition conversion of the soluble organic matter in the reaction process; and analyzing the component change of the supernate before and after the reaction by adopting Fourier transform ion cyclotron resonance mass spectrometry. The influence mechanism of DOM on phosphorus and chromium fate in mineral / water interface molecular fractionation is disclosed from the molecular level, and a scientific basis is provided for collaborative migration risk assessment of phosphorus and heavy metal in acid mine wastewater irrigation area farmland.
Owner:CHONGQING TECH & BUSINESS UNIV +1

Multi-virtual power plant low-carbon retail pricing method based on non-cooperative game

The invention discloses a multi-virtual power plant low-carbon retail pricing method based on a non-cooperative game, and belongs to the technical field of power system optimization and energy market transaction, and the method comprises the following steps: building a control model of a single virtual power plant; 2, correcting a dynamic carbon emission factor; 3, deducing the optimal retail electricity price of the plurality of virtual power plants; according to the invention, a multi-virtual power plant non-cooperative game pricing model based on dynamic carbon emission factor-economic benefit double chains is established, a value chain of low-carbon excitation and economic benefit is broken through, an accurate low-carbon benefit acquisition mode is created for the virtual power plant, the virtual power plant is promoted to preferentially dispatch renewable energy sources, and the economic benefit of the virtual power plant is improved. And the low-carbon operation level and the market competitiveness of the regional power system are effectively improved.
Owner:NORTH CHINA ELECTRIC POWER UNIV +1

A deacidification device for accounting files

ActiveCN224412210Ueasy to operateEfficient and convenient cleaningChemical reactionProcess engineering
The utility model discloses a kind of deacidification devices for accounting archives belongs to accounting archives deacidification technical field, and its technical scheme main points include workbench, the top of the workbench is connected with deacidification platform, the top of the workbench is provided with horizontal sliding assembly, the bottom of the horizontal sliding assembly is provided with uniform spraying mechanism, the inner wall of the deacidification platform is placed with cleaning mechanism, the rear side of the workbench is placed with waste liquid tank, the top of the workbench is placed with low-temperature drying box, after use is completed, the deacidification device for the existing accounting archives has solved, can remain a lot of waste liquid impurity, impurity long-term accumulation can easily interfere with deacidification process, reduce deacidification accuracy and stability, and easily cause chemical reaction damage file, and in deacidification operation, it is difficult to accurately control the spraying uniformity of deacidification reagent, so that file deacidification effect is uneven, affect file preservation quality problem.
Owner:山东聚鑫科技服务有限公司

A whitening and freckle-removing composition containing white tomato and its preparation method and application

The application discloses a whitening and freckle-removing composition containing white tomato and chases yellow grass, a preparation method and application thereof, and belongs to the technical field of food, wherein the whitening and freckle-removing composition is composed of white tomato powder and chases yellow grass powder with a weight ratio of 1-3:2-7. The preparation method comprises the following steps: (1) beating, separating, concentrating and drying white tomatoes to obtain white tomato powder; (2) soaking chases yellow grass in acidic water, performing solid-liquid separation, concentrating and drying the obtained clear liquid to obtain chases yellow grass powder; and (3) mixing the white tomato powder and the chases yellow grass powder. The application utilizes the combination of white tomatoes and chases yellow grass, and improves the preparation process of chases yellow grass, so that the two components produce a synergistic effect in inhibiting tyrosinase activity and inhibiting melanin production.
Owner:HUBEI RUIBANG BIOTECHNOLOGY CO LTD +1

Granular biological fertilizer and preparation method thereof

The invention discloses a granular bio-fertilizer and a preparation method thereof, and the granular bio-fertilizer comprises the following components in percentage by weight: 94-97% of a base fertilizer, 2-5% of a synergist and 1-2% of an auxiliary agent. The granular bio-fertilizer is a fertilizer prepared by compatibility of one of an inorganic fertilizer, an organic fertilizer and an organic and inorganic fertilizer with a bio-fertilizer synergist. The granular bio-fertilizer disclosed by the invention can adopt an inorganic fertilizer, an organic fertilizer or an organic and inorganic fertilizer as a base fertilizer, can be suitable for almost all granular fertilizers (except for fertilizers with a killing function on microorganisms or an antagonistic effect on components in a bio-fertilizer synergist) in the current market, and is simple in production process, relatively low in cost and suitable for industrial production. Moreover, the added value of the product can be effectively improved, and the production process belongs to a novel fertilizer production process and has a huge market popularization value.
Owner:YUNNAN YUNYE FERTILIZER

Automatic sealing device for powder material sampling bucket

The utility model relates to sealing device technical field, concretely relates to a kind of automatic sealing device of powder material sampling barrel, including adjustable height base, the upper portion of base is provided with support plate, the upper surface of support plate is provided with the sampling barrel body for receiving material, the top of sampling barrel body is detachably provided with receiving pipe, support device for fixing the height of sampling barrel body is provided between support plate and base, receiving pipe detachably arranged on the top of sampling barrel body and good sealing design, avoid the leakage of powder material in repeated sampling process, protect the environment, ensure the health of operator.
Owner:TIANRUI GRP ZHENGZHOU CEMENT CO LTD

Desulfurized ash-based denitrification nitrogen removal filter material as well as preparation method and application thereof

The invention discloses a desulfurization ash-based denitrification nitrogen removal filter material as well as a preparation method and application thereof. The desulfurization ash-based denitrification nitrogen removal filter material is prepared from the following raw materials in parts by weight: 150 to 255 parts of elemental sulfur, 1 to 55 parts of calcium carbonate and 1 to 55 parts of desulfurization ash. The desulfurization ash-based denitrification nitrogen removal filter material can be used for nitrogen removal of nitrate nitrogen-containing wastewater, and the effect is excellent. According to the desulfurization ash-based denitrification nitrogen removal filter material, the sulfur electron donor material serves as a main active component, the main component in desulfurization ash is CaSO3, and + 4-valent sulfur contained in the desulfurization ash and 0-valent sulfur in sulfur have a synergistic effect, so that the oxidation reduction effect with NO3 <-> in water is effectively improved, and the denitrification effect is excellent; the industrial solid waste desulfurization ash and calcium carbonate are compounded to prepare the denitrification nitrogen removal filter material, so that the purposes of treating waste with waste, reducing cost and increasing efficiency are achieved, the dual purposes of high-value utilization of the industrial solid waste desulfurization ash and high-efficiency treatment of wastewater are achieved, and wide market prospects are achieved.
Owner:NANJING TECH UNIV +2

A mixed aeration device for industrial wastewater treatment

The utility model discloses a kind of mixed aeration devices for industrial sewage treatment, including square frame, the outer surface of square frame is fixedly installed with support piece, the upper surface of square frame is fixedly installed with speed reducer, the output end of speed reducer is fixedly connected with screw rod, the outer surface of screw rod is threadedly connected with screw plate, the inner wall of square frame is fixedly connected with two support slide posts, the outer surface of each support slide post is slidably connected with transmission plate, and transmission plate is fixedly connected with screw plate, the bottom surface of each transmission plate is fixedly connected with transmission square bar, the bottom end of two transmission square bars is fixedly connected with connecting frame. The device is driven by speed reducer to rotate screw rod, so that screw plate, transmission plate and other components are linked, the height of square box, mixing assembly and aeration assembly is adjusted, different depth sewage tank can be accurately matched, and the device can fully mix and aerate sewage under different working conditions, improve sewage treatment efficiency.
Owner:GUANGXI LINGSHAN LINXUNYUAN WASTEWATER TREATMENT CO LTD

Urban domestic sewage treatment device

This invention relates to the field of wastewater treatment technology, and more particularly to an urban domestic wastewater treatment device including a treatment pump station. The top of the outer arc surface of the treatment pump station is provided with a flange inlet, and the bottom of the inner arc surface of the treatment pump station near the flange inlet is connected to a conical flow guide plate. The upper surface of the conical flow guide plate is provided with an inlet in the middle. The conical flow guide plate is a double-layered structure with an arched end inside. Through a special structural design, the water flow is guided to form a slow flow state, providing sufficient reaction time for the coalescence of tiny oil droplets. This promotes the fusion of emulsified oil droplets and dispersed oil droplets to form large oil droplets. Utilizing the physical property that the density of oil is less than that of water, the oil droplets can naturally float to the surface and form a stable floating oil layer. The entire oil-water separation process does not require additional power and can be completed solely by gravity, effectively improving the oil-water separation efficiency while reducing the energy consumption and maintenance costs of the device.
Owner:THE FOURTH ENG CO LTD OF CHINA RAILWAYNO 20 BUREAU GRP +2

Multi-chamber strip steel sanding line

The utility model relates to a multi-chamber body strip steel sanding line which comprises a dust removal unit, a sand blowing high-pressure fan unit and a sanding chamber body consisting of a plurality of sanding units and a high-pressure fan sand blowing dust removal chamber, the multiple sanding units are sequentially arranged in series in the advancing direction of a steel belt, and each sanding unit comprises a sanding chamber and a dust removal chamber communicated with the sanding chamber. The high-pressure fan sand blowing dust removal chamber is mounted on one side of the sanding unit and communicates with the interior of the sanding unit; the sand-blowing high-pressure fan unit is arranged on the high-pressure fan sand-blowing dust removal chamber and is used for blowing air into the high-pressure fan sand-blowing dust removal chamber; the dust removal unit is installed on the outer side of the sanding chamber body and used for removing dust. The utility model has the effects of reducing the usable area of a workshop, saving energy, reducing the emission of dust-containing waste gas and improving the environment of the workshop.
Owner:SHANGHAI YIXIAO COATING EQUIP CO LTD

Insect-proof line box

ActiveCN224402688URealize dynamic switchingReduce volatilityEnvironmental engineeringMechanical engineering
The utility model discloses a kind of mothproof line boxes, including box, sponge block is arranged in the box;Cover is arranged on the box, the surface of the cover is provided with multiple groups of movable through holes, storage casing for placing insect-attracting agent liquid is arranged on the cover, the storage casing is set to the direction of box, the storage casing is provided with multiple groups of liquid outlet holes, the cover is provided with the presser that can be lifted, the presser is provided with barrier assembly, the barrier assembly cooperates with liquid outlet hole;The beneficial effects of the utility model are that barrier assembly cooperates with the multiple groups of liquid outlet holes on storage casing, realize the dynamic switching of liquid outlet hole between opening and closing state, the structure design makes that insect-attracting agent liquid can controllably flow out from storage casing, directly replenish in the sponge block in box, to ensure that sponge block always keeps saturated state, to continuously release insect-attracting agent, effectively solved the problem that traditional mothproof device needs to open cover frequently and replenish agent.
Owner:南京溧水粮食购销有限公司

Hot-coating high-barrier heavy roll film and preparation method thereof

The invention discloses a hot-coated high-barrier heavy-wrapping roll film and a preparation method thereof. Belongs to the technical field of packaging materials. The roll film sequentially comprises an outer-layer base material film, a middle barrier layer and an inner-layer heat sealing film. The middle barrier layer is formed by drying and curing nano-composite barrier liquid coated on the inner surface of the outer-layer base material film; the nano-composite barrier liquid comprises polyvinyl alcohol, a surface-modified inorganic nano-material dispersion liquid, a polymer emulsion, a cross-linking agent and a wetting agent. After being preheated, the barrier liquid is coated by micro gravure, is dried through three stages of rapid shaping, deep crosslinking and high-temperature densification in sequence, and is finally compounded with an inner-layer heat-sealing film in a solvent-free manner. Through precise coupling of a synergistic effect among specific components and a multi-stage drying process, the roll film has excellent initial oxygen barrier property, water vapor barrier property, excellent stability in a high-temperature and high-humidity environment and high barrier stability after simulating a dynamic mechanical load of heavy packaging and transportation.
Owner:HUANGSHAN YUANDIAN NEW MATERIAL TECH CO LTD

Human posture estimation and non-contact vital sign monitoring method and system based on CSI

PendingCN122581730Afully excavatedAvoid the Risk of Privacy Leakage
The application relates to the technical field of wireless sensing, and discloses a human posture estimation and non-contact vital sign monitoring method and system based on CSI. WiFi channel state information (CSI) is collected, and dynamic CSI feature vectors are obtained through preprocessing. Features are mapped to human key point feature space through Transformer cross attention, spatial reasoning is performed through graph convolutional neural network fusion of human skeleton topology constraints, and human posture estimation results are output. Respiratory rate and heart rate are extracted based on multi-band frequency domain analysis, and vital sign monitoring results are output after being optimized in combination with posture information. Without cameras and wearable devices, non-contact human perception that is privacy-safe and wall-penetrating can be realized, and the method has the advantages of high precision, strong generalization and low-cost deployment, and is suitable for smart home, medical monitoring, emergency rescue and other scenes.
Owner:SHANGHAI RUIYAN TECH CO LTD

A chitosan-Chlamydomonas reinhardtii protein composite carrier, its preparation method and application

ActiveCN122074651AImprove structural stabilityImprove the environmentOrganic active ingredientsNervous disorderChlamydomonas sajaoChlamydomonas reinhardtii
This invention discloses a chitosan-Chlamydomonas reinhardtii protein composite carrier, its preparation method, and its application. The composite carrier has a triple network structure, comprising: a three-dimensional network backbone formed by cross-linking chitosan and sodium tripolyphosphate, constituting the first network; a functional enhancing phase, including Chlamydomonas reinhardtii protein, which is embedded and anchored in the three-dimensional network backbone through a first physical interaction, constituting the second network, thereby forming a chitosan-Chlamydomonas reinhardtii protein complex with an interpenetrating network structure; and a structure-directing agent, including a hydrophobic active substance, which self-assembles and embeds into the hydrophobic microregions of the chitosan-Chlamydomonas reinhardtii protein complex through a second physical interaction, constituting the third network. The composite carrier provided by this invention is prepared using electrospinning technology, achieving high loading capacity and high encapsulation efficiency, constructing a multi-layered antioxidant defense network, and can serve as a highly efficient and stable multifunctional carrier for the preparation of functional food delivery materials.
Owner:HEFEI UNIV OF TECH