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190results about How to "Helps grow" patented technology

Method for recommending economic fertilization of crops based on multi-source remote sensing data

The invention discloses a crop economic fertilization recommendation method based on multi-source remote sensing data. The method comprises the following steps: establishing a nitrogen fertilizer effect curve by using a WOFOST model and an isoline; an economic nitrogen application amount equation is established, and the optimal economic nitrogen application amount is calculated; comprehensive crop growth monitoring indexes are made, and crop growth is graded; and distributing the nitrogen application amount according to a nutrient measurement and regulation method. According to the crop economic fertilization recommendation method based on the multi-source remote sensing data, aiming at the problem that corresponding yields under different nitrogen application amounts are difficult to obtain, a WOFOST model is provided, the nitrogen application amount is used as a unique variable, and the yield is recommended to be more accurate. The problem that corresponding yields are difficult to obtain under different nitrogen application amounts can be effectively solved, the advantages of a nitrogen fertilizer effect curve are obtained through a crop model, marginal cost is obtained according to the nitrogen fertilizer effect curve, a fertilization decision is made in combination with marginal income, farmland refined fertilization management can be achieved, the input cost is reduced, and the economic benefit is improved. And a new method is provided for refined farming operation of a large-area farmland.
Owner:BEIJING DEEP BLUE SPACE REMOTE SENSING TECH CO LTD

Stem cell exosome anti-hair loss and hair growth compound and preparation method thereof

The invention relates to the technical field of biology, and discloses a stem cell exosome anti-hair loss and hair growth complex and a preparation method thereof.A hair growth agent is wrapped and loaded in adipose-derived mesenchymal stem cell exosome to form a drug-loaded stem cell exosome; the medicine-carrying stem cell exosome is loaded in cross-linked hydrogel composed of a gentisic acid-cyclodextrin complex and epsilon-polylysine modified hyaluronic acid to form the stem cell exosome anti-hair loss and hair growth complex, and the stem cell exosome anti-hair loss and hair growth complex is directly smeared and externally applied to the scalp surface and acts on the hair follicle infection part in a targeted mode, so that the hair loss prevention and hair growth promotion effect is achieved. The stem cell exosome anti-hair-loss and hair-growth-promoting compound can inhibit bacterial growth, relieve and treat hair follicle inflammation caused by bacterial infection and improve the scalp environment, so that under the condition that inflammation is effectively controlled, the drug-loaded stem cell exosome in the stem cell exosome anti-hair-loss and hair-growth-promoting compound is stably released, damaged hair follicle cells are repaired, hair regeneration is promoted, the exosome treatment effect is prolonged, and the anti-hair-loss and hair-growth-promoting effect is achieved. The purpose of treating alopecia is achieved.
Owner:BEIJING BOSHIYUAN HAIR RES CENT

Three-dimensional nuclear emergency radiation field calculation and visualization method and system

The invention belongs to but is not limited to the technical field of three-dimensional space dose visualization, and discloses a three-dimensional nuclear emergency radiation field calculation and visualization method and system, based on a point nuclear method, a cumulative factor, mass attenuation factor and flux rate-dose rate conversion factor database is established, a mean free path solving algorithm is optimized, and a three-dimensional nuclear emergency radiation field is obtained. The geometric types of radioactive sources are expanded, and the dose calculation efficiency is improved through parallel calculation; plane dose rate drawing at a certain height is realized based on a two-dimensional texture mapping method; three-dimensional space dose rate contour surface drawing is realized based on a moving cube algorithm; and three-dimensional space dose rate volume rendering is realized based on a three-dimensional texture volume rendering technology. Radiation field dose calculation, three-dimensional radiation field dose visualization and GIS are integrated, and the system is used as a subsystem of a nuclear emergency aid decision simulation platform. The dose distribution diagram in the area can be judged more visually, and the method has a good help effect on nuclear emergency command.
Owner:NAVAL UNIV OF ENG PLA

Control method and control device for single-leg hydraulic power-assisted exoskeleton under heavy load and exoskeleton

The invention relates to a single-leg hydraulic power-assisted exoskeleton control method and device under heavy load and an exoskeleton. The control method for the single-leg hydraulic power-assisted exoskeleton under the heavy load comprises the steps that pump valve flow distribution of all the joints is conducted according to the expected flow alpha2p of a rod cavity and the expected flow Q1m of a rodless cavity of a hydraulic cylinder in all the joints, then the control voltage of a variable-speed pump and a servo valve corresponding to all the joints is obtained, and the action of the single-leg hydraulic power-assisted exoskeleton is controlled; the pump valve flow distribution method comprises the steps that the control voltage of the variable-speed pump corresponding to the hydraulic cylinder i and the control voltage of the servo valve corresponding to the hydraulic cylinder i are determined, and the pump control part and the valve control part are controlled according to the control voltages. According to the heavy-load single-leg hydraulic power-assisted exoskeleton control method, the scheme that the pump provides low-frequency flow and the valve provides high-frequency flow is adopted for flow distribution, the problem of flow distribution caused by non-negligible oil compressibility under the heavy load is solved, and system energy consumption under the heavy load is reduced.
Owner:HEFEI UNIV OF TECH

Slope reinforcing device

The utility model provides a slope reinforcing device, and belongs to the technical field of highway slope protection. The slope reinforcing device comprises a reinforcing frame and a plurality of mounting openings formed in the reinforcing frame, a plurality of reinforcing supports are welded to the inner side walls of the mounting openings, a plurality of anchoring mechanisms are mounted on the reinforcing supports, each anchoring mechanism is composed of a fixing ring, a plurality of through holes, a mounting piece and a fixing piece, and the through holes are formed in the surface of the fixing ring at equal intervals. The top end of the mounting piece is attached to the bottom end of the fixing ring, the bottom end of the fixing piece is connected with the interior of the mounting piece in an inserted mode through the inner ring of the fixing ring, and the top end of the fixing piece is fixed to the top end of the mounting piece through a bolt. Through the modular design of the anchoring mechanisms and the synergistic effect of the protective net and the drainage groove, all the parts can be independently disassembled and replaced, and later maintenance and overhaul work is facilitated. And meanwhile, slope instability caused by water accumulation or soil loosening is prevented.
Owner:中国建设基础设施有限公司 +2

Ternary sand-fixing, water-retaining, seepage-proofing, fertility-increasing, vegetation recovering and reconstructing method

The invention discloses a ternary sand-fixing water-retaining seepage-proofing fertility-increasing vegetation restoration and reconstruction method, and relates to the technical field of operation methods of sand ecological restoration, and the method comprises the following steps: S1, laying a layer of seepage-proofing material on the surface layer of a target planting area to reduce water seepage and enhance soil water-retaining capacity; s2, mixing a water-retaining agent with local sandy soil to form a water storage layer, and paving the water storage layer on the surface of the impermeable material to ensure that the plant root system can obtain water for a long time; s3, applying an organic fertility intensifier to the water storage layer to improve the organic matter content and nutrient supply capacity of the soil; s4, appropriate plants are selected for planting, after planting, the vegetation growth condition and the soil humidity are checked regularly, a water-retaining agent and an organic fertility increasing agent are supplemented in time according to needs, and it is ensured that the vegetation can grow healthily. The planting method provided by the invention has a remarkable yield increasing effect, the survival rate of plants can be effectively improved, and the effect of fixing sand for a long time is achieved.
Owner:INST OF BOTANY CHINESE ACAD OF SCI

Fermentation equipment and fermentation process for processing psicose

The fermentation equipment comprises a tank body and a jacket which is welded to the surface of the tank body in a sleeving mode and used for heating, a stirring structure is arranged in the tank body, and a turbulent flow structure is arranged on the surface of the stirring structure through a transmission structure; the stirring structure can utilize the transmission structure to change the interval of the turbulent flow structure in the rotating process and destroy the dynamic matching of the stirred liquid, an oscillation structure is arranged at the bottom of the tank body, and a linkage structure used for connecting the oscillation structure with the stirring structure is arranged at the bottom of the tank body; in the operation process of the stirring structure, the oscillation structure can be driven by the linkage structure to vertically lift and oscillate. By integrating multiple functions of heating, stirring, turbulent flow, oscillation and the like, an efficient and uniform fermentation environment is provided for processing of psicose, meanwhile, substance exchange and microbial activity in the fermentation process are enhanced through an oscillation structure, and the fermentation efficiency and the product quality are improved.
Owner:BINZHOU SANYUAN BIOLOGICAL TECH

Intelligent management and control system for quick-frozen package point production workshop based on digital twinning

The invention relates to the technical field of quick-freezing package point production, and discloses a quick-freezing package point production workshop intelligent management and control system based on digital twinning, which comprises a data acquisition system, a database system, a modeling simulation system and a dynamic management and control system, and is characterized in that the data acquisition system is used for acquiring multi-source heterogeneous data of each link in the quick-freezing package point production process; the database system is used for managing real-time data and historical data of key manufacturing elements such as people, machines, materials, methods and rings, the modeling simulation system is used for constructing a multi-level and executable simulation model close to actual production services, and the dynamic management and control system is used for achieving the functions of intelligent production scheduling, production monitoring, quality management, exception handling and the like. The digital twinning-based intelligent management and control system for the quick-freezing package point production workshop has the advantages that 1, the transparency of the workshop is increased, and the labor intensity of related management and control personnel of the workshop is reduced; and 2, the utilization rate of equipment is improved through global optimization, the material waste is reduced, and the working intensity of workers is relieved.
Owner:GUANGZHOU RESTAURANT GRP LIKOUFU FOOD

Degradable organic-inorganic composite film and preparation method and application thereof

The invention discloses a degradable organic-inorganic composite film and a preparation method and application thereof, and belongs to the technical field of composites.The method comprises the steps that 1, an organic amine stabilizer, a calcium source, a phosphorus source and an organic solvent are used for preparing a calcium phosphate nano-cluster precursor, and calcium phosphate nano-clusters are obtained through further separation; (2) mixing the calcium phosphate nano-cluster and a natural polymer material to prepare a uniformly dispersed emulsion, the natural polymer material including carboxymethyl chitosan and alginate, using the emulsion to prepare a membrane, and during the membrane preparation process, generating an evaporation-induced self-assembly process to prepare the membrane. The degradable organic-inorganic composite film is obtained by combining a rod-like hydroxyapatite nanocrystal which is formed by phase change of the calcium phosphate nanocluster and crystallization with a natural high polymer material. The organic-inorganic composite film has adjustable mechanical properties, can be naturally and directly degraded in soil, and has wide application prospects in the fields of packaging, agriculture, medical treatment and the like.
Owner:ZHEJIANG UNIV

Autotrophic denitrification filler for denitrification and preparation method thereof

The invention relates to the technical field of denitrification fillers, in particular to an autotrophic denitrification filler for denitrification and a preparation method thereof. The autotrophic denitrification filler comprises the following raw materials in parts by weight: 80-100 parts of sulfur powder, 8-12 parts of zinc carbonate powder, 8-12 parts of clay, 4-6 parts of ferric oxide, 4-6 parts of polyhydroxyalkanoate, 4-6 parts of sugarcane cellulose, 1-3 parts of cotton, 1-3 parts of a binder and 1-3 parts of a cross-linking agent. According to the method, in the high-frequency ultrasonic treatment, the sulfur powder and sodium sulfide are in non-uniform contact, so that non-uniform sunken dissolving positions can be generated on the surface of the sulfur powder, the specific surface area of the sulfur powder is effectively increased, and after the sulfur powder is used as a main raw material to prepare the filler, the filler has a relatively large contact reaction area with sewage; a good attachment and growth environment is provided for denitrifying bacteria, and the purification effect of the autotrophic denitrification filler for denitrification is improved.
Owner:SHANDONG LONGANTAI ENVIRONMENTAL PROTECTION SCI TECH CO LTD

Television intelligent maintenance decision-making method, system and computer program

The invention discloses a television intelligent maintenance decision-making method, and the method comprises the following steps: obtaining historical work order information which at least comprises a television type, a fault description, a fault reason, a maintenance scheme, a maintenance category and used spare parts; constructing an intelligent fault library containing standard faults according to the historical work order information; establishing a knowledge graph according to the historical work order information and the intelligent fault database; acquiring new work order information, performing fault matching with the intelligent fault library according to fault information in the new work order information, and performing maintenance scheme recommendation according to the matched fault based on the knowledge graph; the invention also discloses a television intelligent maintenance decision-making system and a computer program. The intelligent, automatic and personalized television maintenance process can be realized, the quality and efficiency of the maintenance service can be greatly improved, the operation cost can be reduced, and the high-quality and reliable maintenance experience can be provided for the user.
Owner:SHANGHAI MAICHUANG ELECTRONICS

Soil loosening device for ganoderma lucidum planting

The utility model provides a soil loosening device for ganoderma lucidum planting, which belongs to the technical field of ganoderma lucidum planting and comprises a supporting plate, a soil loosening mechanism is mounted at the bottom of the supporting plate and comprises a motor, the motor is fixedly mounted at the top of the supporting plate, a first driving wheel is fixedly mounted at the output end of the motor, and a second driving wheel is mounted at the output end of the first driving wheel. The first supporting seats are fixedly installed at the bottom of the supporting plate, the number of the first supporting seats is two, a first rotating shaft is rotatably installed between the two first supporting seats, the first driven wheel is rotatably installed on the side portion of the first supporting seat on the left portion, and a belt is installed between the first driven wheel and the first driving wheel. Through the arrangement of the soil loosening mechanism, the water retention capacity of soil can be improved, water evaporation and loss can be reduced, the water absorption capacity of crop roots can be improved, the air permeability and the water permeability of the soil can be improved, oxygen and water supply in the soil can be increased, and growth and development of the crop roots are facilitated.
Owner:LONGCHUAN COUNTY SHANGPING JINFENG FRUIT IND CO LTD

Sludge anaerobic digestion methane production method based on direct interspecific electron transfer

The invention provides a method for producing methane by sludge anaerobic digestion based on direct interspecific electron transfer, which comprises the following steps: adding a conductive material into sludge, and carrying out anaerobic digestion reaction under stirring; the conductive material is an SC / FeS composite material. According to the invention, the SC / FeS composite material is added into the sludge as a conductive material, and the SC has good biocompatibility and rapid mass transfer capability and electron transfer capability; according to the present invention, the anaerobic digestion efficiency of the microorganisms can be improved by using the activated carbon and the ferrous sulfide FeS particles with good conductivity, the wastewater treatment resource utilization can be achieved, and the methane yield can be improved by 1.2-3.75 times;
Owner:东晟环保科技集团(安徽)股份有限公司

River and lake bottom mud in-situ integrated purification system and construction method thereof

The invention belongs to the field of river and lake sediment purification. The invention provides a river and lake sediment in-situ integrated purification system and a construction method thereof. The river and lake sediment in-situ integrated purification system comprises an ecological purification net, and the ecological purification net is laid on the surface layer of river and lake sediment and at the bottom sediment depth of not more than 35 cm; the ecological purification net comprises interlocking rows which are formed by connecting a plurality of sandwich structure purification units through ropes and are arranged in a matrix mode, and one row or one row of concrete pressure carriers are anchored to the row interlocking rows or the column interlocking rows at intervals of a plurality of distances through the ropes. Through construction of the sandwich structure and the chain row, multifunctional combination, land prefabrication and integrated launching arrangement are achieved, a novel river and lake bottom mud purification system construction method is provided, and the system has the advantages of being convenient to operate, stable in structure, efficient in pollutant removal and sustainable in remediation effect; the treatment and disposal cost of endogenous pollution treatment and bottom mud dredging is saved, and meanwhile the risk of secondary pollution is reduced.
Owner:CCCC SHANGHAI DREDGING CO LTD

Multifunctional film mulching seeder

The utility model discloses a multifunctional film-mulching seeding machine, belongs to the technical field of seeding machines, solves the problem that the existing seeding machine cannot complete all cultivation operations of seed seeding, and adopts the technical scheme that the multifunctional film-mulching seeding machine comprises a rack, the rack is provided with a pesticide spraying device, a rotary cultivator device, a ridging device, a seed rope seeding device, a fertilizing device, a drip irrigation tape laying device, a film laying device and an earthing device, the pesticide spraying device comprises a pesticide storage barrel and a pesticide spraying rod, the rotary cultivator device comprises a rotary tillage blade, and the seed rope seeding device comprises a seed rope disc, a seeding pipe and a seeding wheel. The fertilizing device comprises a fertilizer box, a fertilizer discharging box, a connecting pipe and a fertilizing shovel, the drip irrigation tape laying device comprises a storage disc and a laying wheel, the film laying device comprises a film erecting rod and a film spreading roller, the soil covering device comprises a soil covering roller and a soil covering disc, and a notch is formed in the surface of the soil covering roller. The seeder disclosed by the utility model can automatically finish all cultivation operations required by seed sowing.
Owner:ARALBO SHIRAN AGRI MASCH TECH CO LTD

Method for constructing mouse ovarian endometriosis model

The invention relates to the technical field of biomedicine, and discloses a method for constructing a mouse ovary endometriosis model, which comprises the following steps: identifying endometrial tissues of a same donor mouse and bilateral ovaries of a receptor mouse; constructing an ectopic transplantation model of the receptor mouse, and monitoring the survival states of the receptor mouse in different postoperative stages in real time; the growth condition of the ectopic endometrial tissue on the ovary surface is analyzed, and the tissue structure and pathological change of the ectopic endometrial tissue are recognized; determining a lesion area of the ectopic transplantation model, analyzing pathological characteristics and a formation mechanism of the lesion area, and analyzing a correlation degree between the ectopic transplantation model and human endometriosis; and analyzing the simulation effect of the ectopic transplantation model on human endometriosis, and constructing the ovarian endometriosis model of the receptor mouse based on the modeling effect and the ectopic transplantation model. The model forming rate of the endometriosis model and the accuracy of the research result can be improved.
Owner:THE THIRD AFFILIATED HOSPITAL OF GUANGZHOU MEDICAL UNIVERSITY (GUANGZHOU SEVERE MATERNAL TREATMENT CENTER GUANGZHOU ROUJI HOSPITAL)

Large-area batch preparation method of ultrathin stretchable high-density myoelectrode array

The invention discloses a large-area batch preparation method of an ultrathin stretchable high-density myoelectrode array, which comprises the following steps of: adhering an ultrathin soft elastic substrate on a releasable supporting layer, and preparing an electrode array and an interconnection wire on the ultrathin soft elastic substrate through silk-screen printing, an interconnection wire area used for being connected with external acquisition equipment is covered with wear-resistant conductive carbon paste and a hard backing material, and a plugging interface is formed in the area; in other areas of the ultra-thin soft elastic substrate, the electrode array is covered with biological conductive gel through a dispensing process, a non-electrode position is covered with a medical double-sided adhesion layer, and an ultra-thin soft sensing part is integrally formed; and a releasable protective layer covers the ultrathin soft sensing part. According to the preparation method, the problems of device wrinkles, difficulty in operation and low yield during large-area preparation of the ultrathin stretchable high-density myoelectrode array can be effectively solved, and reliable batch preparation of the large-area ultrathin stretchable high-density myoelectrode array can be realized.
Owner:浣江实验室

Joint nursing aid for old people

The invention provides an auxiliary device for joint nursing of old people, which comprises a pair of support crutch structures arranged oppositely and used for providing upper body support; the knee assisting device is connected with the hinge structure and used for assisting knee joints; the hinge structure is connected between the supporting crutch structure and the knee assisting device and comprises a first hinge plate and a second hinge plate, one end of the first hinge plate is hinged to the supporting crutch structure, one end of the second hinge plate is hinged to the end, away from the supporting crutch structure, of the first hinge plate, and the other end of the second hinge plate is hinged to the knee assisting device. The supporting crutch structure and the knee assisting device are integrally designed through a hinge structure, the stability of a user in the walking process is enhanced, and the risk of falling down is reduced. Meanwhile, the supporting crutch structure stably supports the upper body of the old person, the pressure of the upper body on knee joints is reduced, the burden of the knee joints, hip joints and other joints in the actions of walking, standing, sitting down and the like is effectively relieved by providing stable support for the old person, and joint pain and discomfort are prevented and relieved.
Owner:RENMIN HOSPITAL OF WUHAN UNIVERSITY (HUBEI GENERAL HOSPITAL)

High-friction-voltage hydroxyethyl cellulose sensing material and preparation method thereof

The invention relates to the field of nanometer friction power generation sensing technology and film material manufacturing, in particular to a high-friction-voltage hydroxyethyl cellulose sensing material and a preparation method thereof.The sensing material comprises three layers of structures which are an upper layer hydroxyethyl cellulose film, a polyvinylidene fluoride film and a lower layer hydroxyethyl cellulose film from top to bottom, the HEC film with aramid nanofiber introduced into the outer layer serves as a friction layer and a mechanical supporting layer, the PVDF film in the middle serves as an electrostatic retention phase, and organic combination of electrostatic coupling and charge storage is achieved. According to the invention, a new thought is provided for the development of a friction nanometer power generation technology, and a more efficient and environment-friendly solution is provided for the application in the fields of wearable equipment, self-powered sensors and the like.
Owner:SHAANXI UNIV OF SCI & TECH

Water-soluble fertilizer suitable for Xinjiang'dry sowing and wet emergence 'cotton field as well as preparation method and application of water-soluble fertilizer

The invention discloses a water-soluble fertilizer suitable for Xinjiang'dry sowing and wet emergence 'cotton fields as well as a preparation method and application of the water-soluble fertilizer. Belongs to the technical field of water-soluble fertilizers. The water-soluble fertilizer comprises the following components in parts by mass: 5-41 parts of urea, 21-60 parts of urea phosphate and 13-48 parts of potassium sulfate. Potassium sulfate is mixed with other raw materials in batches by using a three-dimensional mixer, and then mixed granulation is performed. Compared with the prior art, the method has the beneficial effects that the water-soluble fertilizer is dripped along with water by utilizing a drip irrigation facility of a'dry sowing and wet discharging 'cotton field; according to the water-soluble fertilizer formula and the dripping method, the emergence rate of the cotton can be increased, and the problems that the emergence rate is difficult, weak and stiff due to nutrient requirements of growth and development of the cotton in the seedling stage, adverse factors such as an external saline-alkali environment in the seedling stage, tender roots and insufficient photosynthetic ability, and the like, and the problems of seedling deficiency and insufficient group construction caused by the phenomena are solved.
Owner:新疆维吾尔自治区耕地质量监测保护中心(新疆维吾尔自治区农田建设质量评价中心) +1

Problem processing method and device, vehicle and storage medium

The invention provides a problem processing method and device, a vehicle and a storage medium, and the method is applied to the field of vehicles, and comprises the steps: obtaining an abnormal problem fed back by a user for vehicle application software, determining a problem type of the abnormal problem, and if the problem type is a precondition unsatisfied type, determining that the vehicle application software is not satisfied. If yes, precondition checking is executed to obtain a checking result, and problem processing prompt information of the abnormal problem is generated based on the checking result. By analyzing the problems and determining the types of the problems, user description and guidance can be given to some problems of which the types cannot be used due to the fact that preconditions such as the environment are not met in time, a link from problem feedback of the user to solution obtaining is shortened, and the user satisfaction degree is improved.
Owner:GREAT WALL MOTOR CO LTD

Rainwater recycling and timely water-saving device for roof garden

The invention discloses a roof garden rainwater recycling and timely water-saving device in the technical field of rainwater recycling, which comprises a culture tank, the bottom of the culture tank is provided with a filtering assembly for filtering rainwater, and the lower part of the culture tank is communicated with a rainwater collecting assembly for collecting rainwater; one side of the culture tank is communicated with a water storage assembly used for storing rainwater and supplying domestic water, and one side of the culture tank is further provided with a pump assembly used for communicating the rainwater collection assembly with the water storage assembly; the device is characterized in that a water absorption assembly used for timely absorbing water for plant roots is arranged in the culture tank, a soil matrix is laid in the culture tank, the water absorption assembly comprises a PVC pipeline and sponges, the sponges are evenly arranged in the soil matrix, one end of each sponge extends into a perforated PVC pipeline assembly, and the other end of each sponge extends into the perforated PVC pipeline assembly. Rainwater is recycled through the sponge, the pipeline, the water storage barrel, the rainwater collecting barrel and the water pump, water-saving irrigation is carried out through the collected rainwater, watering is carried out when plants lack water, and the utilization efficiency of the rainwater is improved.
Owner:LANZHOU JIAOTONG UNIV +1

Hectorite composite antibacterial antioxidant hydrogel as well as preparation method and application thereof

The invention discloses hectorite composite antibacterial and antioxidant hydrogel and a preparation method and application thereof.The preparation method comprises the steps that hectorite is dispersed in deionized water to obtain dispersion liquid, zwitterionic monomers are added, the dispersion liquid is adsorbed on the surface of hectorite through the interaction between ions, and a zwitterionic monomer-hectorite compound is prepared; adding the zwitterionic monomer-hectorite compound, a main monomer, a cross-linking agent, an initiator and a catalyst into water, fully stirring to obtain a precursor solution, and cross-linking and curing to obtain double-cross-linked hectorite composite hydrogel; the preparation method comprises the following steps: preparing a functional polymer deionized water solution, adding inorganic copper salt, carrying out ultrasonic dispersion, adding EGCG, carrying out a reaction, carrying out centrifugal separation on a final product, washing, and carrying out freeze drying to prepare an EGCG-Cu nano complex; and immersing the bi-crosslinked hectorite composite hydrogel into a deionized water solution of an EGCG-Cu nano complex to fully swell the hydrogel layer, taking out the hydrogel layer, and carrying out vacuum drying to obtain the EGCG-Cu nano hydrogel. The hydrogel material provided by the invention can realize the wound dressing with antibacterial and antioxidant properties at the same time.
Owner:JINLING INST OF TECH

Landscape engineering slope stepped greening structure

The utility model discloses a garden engineering slope stepped greening structure which comprises a soil filling layer, a building layer arranged at the upper end of the soil filling layer, a plurality of concrete blocks built on the surface of the top end of the building layer, and planting grooves formed in the top ends of the concrete blocks, and further comprises a drainage structure arranged in the building layer, rainwater can be rapidly collected through the water accumulation channel, impurities are filtered out through the first filtering well lid, when accumulated water reaches a certain degree, water can be evenly distributed into all the coagulation blocks through the water accumulation groove, the water guide pipe and the flow dividing pipe, needed water is provided for plants, reasonable utilization of the rainwater is achieved, and meanwhile, the rainwater can be recycled. When the structure is used, redundant water is drained into the drainage channel through the drainage pipe and finally drained out of the structure, damage to the structure caused by accumulated water is avoided, the utilization efficiency of water resources is improved through the design, structural damage caused by accumulated water is effectively prevented, and the stability and durability of the structure are enhanced.
Owner:HUBEI SCENIC LAND CONSTRUCTION ENGINEERING CO LTD

Windscreen display system and method, electronic device and storage medium

The invention discloses a windshield display system and method, an electronic device and a storage medium, the windshield display system comprises an airborne core network and a head-up display assembly, the airborne core network is used for outputting a display mode and display content, and the head-up display assembly is used for receiving and displaying the display mode and the display content; wherein the airborne core network comprises a data acquisition module, a data analysis module and a comprehensive processing module, and the data acquisition module is used for acquiring flight information of an aircraft; the data analysis module is used for analyzing and processing the flight information to obtain a flight stage and a flight state of the aircraft, and the flight stage comprises at least one stage of all stages of the aircraft from the beginning of takeoff to the end of landing; the comprehensive processing module is used for determining a display mode and display content according to the flight stage and the flight state.
Owner:SHANGHAI AIRCRAFT DESIGN & RES INST COMML AIRCRAFT OF CHINA

A columnar enhanced high-voltage electrostatic field generating device and a liquid fermentation tank

The present invention discloses a liquid fermentation tank integrating a columnar enhanced high-voltage electrostatic field generating device, comprising a fermentation tank body, a fermentation tank upper cover, a stirring device, a control device and an enhanced high-voltage electrostatic field generating device, the top of the fermentation tank body is connected to the bottom of the upper cover, the stirring device and the enhanced high-voltage electrostatic field generating device are both installed in the fermentation tank body, the control device is installed on the outside of the fermentation tank body, and the control device is connected to the enhanced high-voltage electrostatic field generating device. The present invention realizes the circulation of fermentation liquid in the high-voltage electrostatic field generating device, thereby improving the coverage and uniformity of the electric field treatment of the fermentation liquid, enhancing the influence of the electric field on the fermentation process, helping to inhibit the growth of harmful bacteria, helping to accumulate secondary metabolites of the main fermentation bacteria, and helping to inhibit or promote specific enzymatic release.
Owner:SOUTH CHINA UNIV OF TECH

Tremella aurantialba cultivation and planting method and closed square cabin special for cultivation and planting

The invention discloses a tremella auramtialba cultivation and planting method and a closed square cabin special for cultivation and planting, and relates to the technical field of planting. According to the tremella aurantialba cultivation and planting method and the closed square cabin special for cultivation and planting, a cabin body, a rotary cultivation mechanism and a supply mechanism are included, the rotary cultivation mechanism comprises a driver and an operation planting assembly, the operation planting assembly comprises a conveying belt, and the surface of the conveying belt is fixedly connected with a semicircular strip-shaped supporting piece; the top end of the semicircular strip-shaped supporting piece is fixedly connected with a planting disc, the supplementing mechanism comprises a lifting adjuster, a liquid storage tank and a spraying assembly, the spraying assembly comprises a first air cylinder, a second air cylinder and a third air cylinder, and the first air cylinder, the second air cylinder and the third air cylinder are sequentially installed at the output end of the lifting adjuster; the telescopic end of the first air cylinder, the telescopic end of the second air cylinder and the telescopic end of the third air cylinder are all fixedly provided with spraying heads, the adjustable purpose is achieved, the height is adjusted according to strain growth, water is supplemented softly, impact is reduced, and safety and reliability are achieved.
Owner:GANSU ACAD OF SCI INST OF BIOLOGY +1

Mangrove cultivation device

The utility model discloses a mangrove cultivation device which comprises a water tank, an incubator, a microorganism partition area, a control system and a timer. A liquid pumping assembly and a water return pipe are mounted on the water tank; the incubator is located above the water tank, and the liquid pumping assembly is communicated with the incubator; a plurality of drain pipes are mounted on the side wall of the incubator from top to bottom, first electromagnetic valves are mounted in the drain pipes, and the drain pipes are communicated with a water return pipe; the microorganism partition area is installed in the incubator, mangrove seedlings and a porous ceramic plate are arranged in the microorganism partition area, and the porous ceramic plate is used for inoculating microorganisms; the control system is mounted on the incubator; the timer is installed on the water tank. The mangrove growth simulation device can simulate tidal changes experienced by mangroves in the natural environment, explores the influence of other growth conditions on mangrove growth at the same time, reduces the adverse influence of environmental factors on mangrove growth to the maximum extent by optimizing the growth environment, reduces the occurrence probability of diseases and insect pests, and improves the survival rate of mangroves.
Owner:HAINAN UNIV

Vegetable soilless culture seedling culture and seedling culture method thereof

The invention relates to the technical field of soilless culture, and particularly discloses a vegetable soilless culture seedling culture and a seedling culture method thereof, and the seedling culture method of the vegetable soilless culture seedling culture comprises the following steps: cleaning and disinfecting vegetable seeds, soaking the vegetable seeds in a soaking solution, carrying out dark treatment, planting the vegetable seeds in a soilless culture substrate, and culturing to obtain vegetable seedlings. The soilless culture substrate comprises a solid substrate and a liquid substrate, the solid substrate comprises modified rock wool, modified perlite and gravel, and the liquid substrate comprises vegetable crop rotten vegetables, a leavening agent, brown sugar, a PH regulator and a heavy metal ion chelating agent. The vegetable soilless culture substrate prepared by the invention is good in water-retaining property, has a certain prevention and treatment effect on diseases and insect pests, and can solve the problem of heavy metal pollution in seedling culture, and the seedling culture method used by the invention has the advantages that vegetable seeds are high in germination rate, strong in disease and insect pest resistance and good in growth state.
Owner:SHOUGUANG NONGFA SEED TECH CO LTD

Method and system for constructing resource library of teaching Chinese as a foreign language

The present application is applicable to the technical field of constructing a resource library for teaching Chinese as a foreign language, and in particular, to a method and system for constructing a resource library for teaching Chinese as a foreign language, the method comprising: obtaining dialogue information; wherein the dialogue information is used to reflect the dialogue content generated when two or more communicators communicate; based on the dialogue information, obtaining the regional information corresponding to the dialogue information; analyzing the dialogue information to obtain communication characteristics and sentence meanings; analyzing the dialogue information, communication characteristics and sentence meanings to obtain differential vocabulary information; constructing based on the communication characteristics according to the differential vocabulary information and regional information to obtain a resource library for teaching Chinese as a foreign language. The method for constructing a resource library for teaching Chinese as a foreign language provided in the present application can improve the communication ability of non-native Chinese learners with a certain Chinese foundation with local people.
Owner:平阳县亿合建材商行