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52results about How to "Guaranteed freshness" patented technology

A method and system for information distribution based on geographic fence and unified reputation evaluation

PendingCN122513466AAchieve independent flowreduce consumption
The application discloses an information distribution method and system based on a geographic fence and unified credit evaluation, and belongs to the technical field of big data processing. A user publishes business event information in a same account, and independently sets a geographic fence and a receiver credit threshold value; the system determines a second user currently located in the geographic fence and having a credit score not lower than the threshold value, and pushes the information; in response to an acceptance operation of the second user, an interaction relationship between the two parties is established; and in response to a mutual evaluation result after the interaction ends, credit scores of the two parties are dynamically adjusted. Through user-defined distribution conditions, platform implementable auditing and mutual evaluation credit systems, the application breaks the double barriers of traditional socialization and algorithm recommendation, realizes directional, efficient and credible distribution of information, and reduces consumption of network resources and server resources caused by invalid information transmission.
Owner:ZHEJIANG TIANLI NETWORK TECH CO LTD

An atomizer and aerosol generating device

This application relates to the field of electronic atomization equipment technology, specifically an atomizer comprising a liquid cup, an atomizing core assembly, a base assembly, a bracket, and a first sealing element. The bracket rests against and is linked to the base assembly, and has a liquid inlet hole. Under external force, the base assembly moves the bracket so that the liquid inlet hole is located inside the liquid cup, which communicates with the atomizing core assembly through the liquid inlet hole. This application also relates to an aerosol generating device. The technical solution provided by this application enables the base assembly and the atomizing core assembly to be connected, with the atomizer in a pre-assembled state, i.e., a liquid-core separated state, preventing the aerosol matrix from seeping into the atomizing core assembly and then leaking out from the air passage. This structure maintains the freshness of the aerosol matrix, facilitating replacement, maintenance, and cleaning, thus improving the user experience. It eliminates the need for users to assemble the atomizer themselves, and the atomizer has a simple structure and high stability, meeting user needs.
Owner:SHENZHEN JIYOU TECH CO LTD

A data persistent storage system, method, terminal and medium

ActiveCN122020740BPersistent storage implementationGuaranteed confidentiality
This invention discloses a persistent data storage system, method, terminal, and medium. The system includes a secure virtual block device, an IDE module, and a secure storage operation module. The secure virtual block device resides in a trusted execution environment (TEE), providing a standardized block storage interface for the upper-layer file system and is compatible with the formatting and mounting of general file systems. The secure virtual block device stores its own secure metadata in a secure superblock. The IDE module resides in the TEE and is connected to the secure virtual block device, used to protect the confidentiality and integrity of data through encryption algorithms. The secure storage operation module resides in the rich execution environment and is connected to the IDE module, used to implement specific storage operations. This invention enables persistent data storage, and its combination with a TEE environment ensures the confidentiality, integrity, crash consistency, and freshness of data stored persistently in the TEE.
Owner:SHENZHEN CONFIDENTIAL COMPUTING TECH CO LTD

Transportation device for preserving completeness of tricholoma matsutake

The utility model provides a transportation device for preserving the integrity of tricholoma matsutake. The transportation device for preserving the integrity of the tricholoma matsutake comprises a box body, two containing boxes are arranged in the box body, and a plurality of containing grooves used for containing the tricholoma matsutake are formed in the two containing boxes; the ventilation opening is formed in one side of the box body, and a protective net is arranged on the ventilation opening; and the protection mechanism is arranged on the box body and is used for protecting the tricholoma matsutake. According to the transport device for preserving the integrity of the tricholoma matsutake, damage caused by vibration and collision in the transport process of the tricholoma matsutake can be effectively reduced, and the integrity and quality of the tricholoma matsutake are guaranteed.
Owner:YUNNAN STORY AGRICULTURAL TECHNOLOGY CO LTD

Liquid preservative for fresh walnut kernel

PendingCN122074552Auniform dispersionUniform and stableClimate change adaptationEdible seed preservationBiotechnologyPreservative
This invention relates to the field of food preservation technology and discloses a liquid preservative for preserving fresh walnut kernels. The preservative comprises a natural preservative, a solubilizing and stabilizing agent, and a solvent. This liquid preservative uses natural phloretin as the preservative component, combined with Tween 80 as a solubilizing and stabilizing agent and ethanol as a solvent. This effectively solves the problems of poor water and oil solubility and inadequate stability of phloretin, allowing it to be stably dispersed in the preservative system and fully exert its antioxidant and antimicrobial effects. Furthermore, the preparation method is simple and easy to implement, and the production process is safe and controllable. It is convenient to use; the preservation of fresh walnut kernels can be achieved through dilution and soaking. The diluted solution can be reused, reducing usage costs. Simultaneously, it can inhibit bacterial growth during the storage of fresh walnut kernels, delay oxidative deterioration, maintain their good appearance and quality, extend shelf life, and meet the market demand for high-quality fresh walnut kernels.
Owner:LINCANG GONGTOU SHUNNING NUT DEV CO LTD

A cultivation device for agricultural planting

The utility model discloses a kind of cultivation devices for agricultural planting, including cultivation box, it includes box and mounting plate, water storage cavity is equipped in the box, and top detachably connected with mounting plate, located the mounting plate is opened with several cultivation grooves, cultivation pot is arranged in any one cultivation groove;Liquid supply mechanism, including water storage tank, pumping end, water supply end and spraying end;The gap is kept between the water storage tank with the box, and the both ends of the box are respectively provided with pumping end and water supply end, for water supply to water storage cavity, the pumping end and the water supply end far from the one end of the box are communicated and set on the water storage tank.The beneficial effect played by the utility model is: solve the technical problem that the existing technology is agricultural cultivation device, cultivation groove is integrated structure, leading to plant rhizome cannot be effectively drained and breath, leading to rhizome to rot easily.
Owner:HUBEI CHUGUO YIYOU AGRICULTURAL DEVELOPMENT CO LTD +1

Medical grade pressure relief rest pod

The utility model discloses a medical grade pressure alleviation rest cabin, including cabin body, the inside of cabin body is provided with massage chair, the side wall of cabin body one side is fixed and is embedded with air intake cover, the sealed insertion slot of being adapted to filter material is seted up on the inner wall of air inlet pipe, and filter material is inserted in the inside of sealed insertion slot, and the side wall of filter material one side is fixed on the side wall of air inlet pipe one side through locating plate and fixed screw, and this design makes the installation and disassembly of filter material more convenient and fast, when filter material reaches the service life or needs to change, maintenance personnel can complete the operation fast, greatly shorten the equipment downtime, improve the operation efficiency and maintenance convenience of equipment, and the air induction component set up at the top of cabin can efficiently exhaust the turbid air in the cabin, and this air circulation renewal mechanism effectively maintains the freshness of the air in the cabin, avoids the problems such as peculiar smell, bacterial breeding caused by the non-communicating air, and provides a comfortable, healthy internal environment for the user.
Owner:TEYI TECH (HEFEI) CO LTD

Strawberry harvesting robot system

The strawberry harvesting robot system of the present invention includes: a mobile structure that moves between seedbeds; a robot frame mounted on the mobile structure; a capturing device for capturing strawberries to be harvested; a harvester, one or more of which are mounted on the robot frame facing the seedbeds; a cutting section that advances to the seedbed to harvest strawberries at the front end of the harvester, grasps the stems of the captured strawberries, cuts off the remaining portion, and returns to its original position while the strawberries are suspended; and a transfer section that clamps the stems of the strawberries suspended at the cutting section with a transfer clamp, cuts off the stems while leaving a fused portion, and transfers the strawberries while they are suspended. Behind the harvester; a plate bracket, installed at the upper rear of the harvester, for placing a stem-jointing plate that has been radially cut in the center to form barbs; a plate supply unit for supplying the stem-jointing plate to the plate bracket; a plate joining unit, where, when the transfer unit is located under the plate bracket, the stem-jointing plate placed on the plate bracket faces downwards so that the barbs are inserted into the stem-jointing part, thereby joining the stem-jointing plate with the strawberry; a packaging unit, where, when the strawberry is removed from the transfer unit by adsorbing the stem-jointing plate with the strawberry attached, the stem-jointing plate is placed on the upper end of the packaging box located on the lower side, thereby packaging the strawberry in a state of being suspended in the packaging box.
Owner:朴圣彬

Box wall plate structure capable of preventing cold bridge effectively

ActiveCN224393506UAchieve heat insulationImprove refrigeration effectLighting and heating apparatusDomestic cooling apparatusInsulation layerCool storage
The utility model relates to the technical field of box wallboard, disclose a kind of box wallboard structure of high efficiency prevents cold bridge, including refrigeration box, and refrigeration box two sides symmetry are provided with wallboard, and wallboard includes veneer, and fill slot is opened in veneer, and heat preservation board is provided in veneer, and inner layer soft board is provided on veneer, and hollow layer is provided between heat preservation board and inner layer soft board, and hollow layer is filled with argon, and heat insulation in refrigeration box can be realized using heat preservation board, and hollow layer is arranged between inner layer soft board and heat preservation board, when pork impacts inner layer soft board, inner layer soft board will be appropriately deformed, while argon in hollow layer will be compressed, and then the impact force brought by pork impacting inner layer soft board is consumed, while argon is lower than air heat conduction coefficient, to further improve the temperature insulation effect of box wallboard, avoid the heat conduction path at its fracture after heat preservation layer fracture, and then cold bridge appears, improve the refrigeration effect of the pork transported, and guarantee the freshness of pork.
Owner:WUXI XINYIDE AIR CONDITIONING EQUIP CO LTD

A movable and angle-adjustable partition

ActiveCN224427222UImplement classified storagerapid isolationPulley
This utility model discloses a movable and angle-adjustable partition, comprising: a box body, a lifting partition, and a sliding partition. The top of the box body has two limiting grooves. The outer wall of the lifting partition has two rotating members, and the inner side of each rotating member has a first pulley. The sliding partition has two fixing members on opposite outer walls, and the inner wall of each fixing member has a second pulley. The inner walls of opposite inner walls of the box body have multiple first slots symmetrically arranged, and the inner walls of opposite inner walls of the box body have multiple second slots. One side of the lifting partition has four first sleeves, and the inner wall of each first sleeve has a first pin. One side of the sliding partition has two second sleeves, and the inner wall of each second sleeve has a second pin. Through the free adjustment of the sliding partition and the lifting partition, the internal space of the box can be flexibly adjusted according to the size and quantity of the loaded items, and the storage needs of different types of items can be met.
Owner:SHANDONG NORTHEAST EAGLE SUPPLY CHAIN CO LTD

A big data-based selenium-rich bio-organic fertilizer supply chain collaborative management system

The present application relates to the field of agricultural big data and fertilizer supply chain management, and particularly to a selenium-rich bio-organic fertilizer supply chain collaborative management system based on big data, comprising: a source evaluation step: a management center calls material attributes, a raw material evaluation unit analyzes source quality fluctuations to distinguish batches; an efficiency drift analysis step: in response to abnormal control signals, a conversion analysis unit performs efficiency drift evaluation feedback analysis; a supply-demand collaborative matching step: in response to regular control signals, a collaborative demand unit obtains a collaborative demand coefficient, and a matching division unit performs quantitative matching analysis of control decision; a control execution step: compare control evaluation indexes to generate control signals; the present application constructs a source fluctuation perception and supply-demand collaborative matching closed loop, solves the spatiotemporal mismatch contradiction of raw material fluctuations and soil adsorption specificity, and improves the overall efficiency of the supply chain.
Owner:SHAANXI YONGCHUN ECOLOGICAL TECH CO LTD

A degradable packaging film for preserving fruits and vegetables and a preparation method and application thereof

This invention discloses a biodegradable packaging film for preserving fruits and vegetables, its preparation method, and its application, belonging to the technical field of food packaging materials. The preparation of the biodegradable packaging film for preserving fruits and vegetables involves: dissolving chitosan in an acetic acid solution, adding soy protein isolate, adjusting the pH of the solution to 2-4, and stirring at 80-90°C to obtain a soy protein fiber solution; then adding plant essential oil to the soy protein fiber solution, stirring at high speed, and then adding konjac glucomannan solution, continuing stirring to obtain a film-forming solution. This solution is then poured onto a plate and dried to obtain the biodegradable packaging film for preserving fruits and vegetables. The biodegradable packaging film for preserving fruits and vegetables prepared by this invention is biodegradable, gas-barrier, antibacterial, antioxidant, and possesses strong mechanical properties. It can effectively maintain the freshness of packaged fruits and vegetables and can be used as a fruit and vegetable preservation packaging film to extend shelf life.
Owner:DALIAN POLYTECHNIC UNIVERSITY

Screening device for bale opener

The utility model discloses a screening device for a bale opener, which belongs to the technical field of bale openers and comprises a mounting rack, a protective cover is fixedly mounted on the side wall of the mounting rack, a mounting cover is fixedly mounted on the side wall of the protective cover, and a driving motor is fixedly mounted on the inner wall of the mounting cover. Dust falling assemblies are arranged on the two side walls of the mounting frame; according to the dust falling device, the dust falling assembly is arranged, along with rotation of the driving disc, under the action of the movable rod, the piston plate is driven by the mounting clamp to move back and forth in the piston barrel, water in the water tank is sucked into the piston barrel through the water inlet pipe, then is conveyed into the water spraying pipe through the water outlet pipe and is sprayed to the periphery of the mounting frame through the water spraying holes; according to the bale opener, dust generated in the material screening process is subjected to dust falling treatment, the pollution degree of the dust generated in the bale opening process to the working environment is reduced, the freshness of air in the working environment is ensured, the influence of the dust on operators and machines is further reduced, and the service life of the bale opener is prolonged.
Owner:CHENGDU SHUNLI HUA AUTOMATION EQUIP CO LTD

High-toughness puncture-proof fresh-keeping film bag for vegetables and fruits

ActiveCN224198293Umeet breathing needslower metabolismFlexible coversWrappersPolymerFood science
The utility model relates to the technical field of vegetable and fruit packaging, and particularly discloses a high-toughness puncture-proof fresh-keeping film bag for vegetables and fruits, which comprises a puncture-proof outer layer, the puncture-proof outer layer, a protective middle layer and a buffer inner layer are sequentially sleeved from outside to inside to form a film bag main body, and the puncture-proof outer layer, the protective middle layer and the buffer inner layer are closed and formed by hot pressing to form the fresh-keeping film bag main body for vegetables and fruits. According to the high-toughness puncture-proof fresh-keeping film bag for the vegetables and the fruits, the hemispherical buffer balls arranged on the surface of the buffer inner layer at equal intervals are integrally formed with the hydrophilic polymer inner base layer, and the hemispherical buffer balls and the second breathable micropores are distributed in a staggered mode, so that the vegetables and the fruits can be prevented from being in direct and tight contact with the film bag; the semispherical buffer balls effectively buffer external force through deformation, the concentrated pressure of sharp parts of vegetables and fruits on the film bag is dispersed into dispersion force in multiple directions, the local pressure intensity is reduced, the film bag is further protected from being punctured, and meanwhile damage to the vegetables and the fruits caused by extrusion is reduced.
Owner:HANGZHOU WELL-PACK MATERIAL CO LTD

Portable coffee storage mechanism and coffee powder box

The utility model provides a portable coffee storage mechanism and a coffee powder box, the portable coffee storage mechanism comprises a top cover assembly, a first sealing piece, a storage container and a lower bottom cover; the top cover assembly is in threaded connection with the first end of the storage container, the lower bottom cover is connected to the second end of the storage container, a containing cavity is formed in the storage container and used for storing coffee powder, a groove is formed in the periphery of the top cover assembly, and the first sealing piece is arranged in the groove and tightly attached to the inner wall of the storage container in a surrounding mode. The groove is formed in the periphery of the top cover assembly, the first sealing piece is arranged in the groove, meanwhile, the first sealing piece is tightly attached to the inner wall of the storage container in a surrounding mode, and when the top cover assembly is connected to one end of the storage container through the threads, the first sealing piece is arranged in the groove of the top cover assembly; therefore, air and moisture are effectively prevented from entering the containing cavity of the storage container, and the freshness of the coffee powder placed in the containing cavity is guaranteed.
Owner:HUIZHOU GUANGYI KITCHEN INTELLIGENT PRODUCTS TECHNOLOGY CO LTD

Vegetable and fruit preservative film bag with ventilation structure

ActiveCN224184865UConvenient snap positionEffectively regulate oxygen concentrationBagsSacksFruits and vegetablesPlastic wrap
The utility model relates to the technical field of preservative film bags, in particular to a vegetable and fruit preservative film bag with a ventilation structure, which comprises a bag surface, a folding surface is fixedly arranged on the side surface of the bag surface, a screw rod is arranged on the outer surface of the folding surface in a penetrating manner, a sliding block sleeve column is mounted on the outer surface of the screw rod in a threaded manner, and the sliding block sleeve column is provided with a ventilation structure. And an outer ring is fixedly mounted on the outer surface of the sliding block sleeve column. According to the vegetable and fruit preservative film bag with the ventilation structure, after fruits and vegetables are put into the preservative film bag and the sealing opening is sealed, the sliding barrel groove can be pulled to move through the outer cover, so that the sliding barrel groove can drive the contact blocking surface to slide on the outer surface of the sliding block sleeve column; the contact blocking face can be separated from the rubber blocking piece, so that the gas circulation channel is opened, air inside and outside the preservative film bag is freely exchanged, the concentration of oxygen and carbon dioxide in the bag is effectively adjusted, an accurately-matched microenvironment is created for fruits and vegetables, and it is ensured that the fruits and vegetables are always kept in a fresh state in the storage process.
Owner:HANGZHOU WELL-PACK MATERIAL CO LTD

Modular smart fresh food storage cabinet

The utility model relates to the technical field of refrigerator, concretely relates to a modularization intelligent fresh food storage cabinet. The scheme of the present application can accurately identify the preset temperature and humidity parameters corresponding to the food material through the meshing of the rack and the gear encoder at different positions on the food label card, provides suitable storage environment for different food materials, effectively guarantees the freshness and quality of the food material, when the food label card is pulled out, the reset structure makes the gear encoder quickly recover to the initial position, and the reset signal is transmitted to the controller, the storage compartment is timely adjusted to the default temperature, avoids the energy waste, and improves the energy utilization efficiency. Compared with the complex electronic identification system such as RFID radio frequency identification and image recognition, the use of electronic components is greatly reduced, expensive sensors and complex algorithm programs are not needed, and the hardware procurement cost and software development cost are reduced.
Owner:JIANGSU MEISEN COLD CHAIN TECHNOLOGY CO LTD

Poultry feed storage box

The utility model provides a kind of poultry feed storage box, belong to feed storage technical field, this poultry feed storage box includes feed tank ontology;Double lid, two double lids are equipped, two double lids are all rotated and are connected in the upper end of feed tank ontology by pivot;Mildew-proof mechanism, two groups are equipped in mildew-proof mechanism, and each group of mildew-proof mechanism includes ventilation placing groove, closed air placing groove, limit sliding slot, rotating shaft, ventilation sliding slot, closed air cover and air hole, limit sliding slot and limit sliding block are equipped with two, ventilation placing groove is opened in the upper end of double lid, effectively realize the ventilation and sealing conversion of feed, this design can be adjusted flexibly according to weather condition, ensure that feed is not prone to mildew in humid environment.
Owner:FISHERIES INST SICHUAN ACADEMY OF AGRI SCI +1

A low-temperature sterile nanofiltration membrane treatment process for high-quality direct drinking water

This invention discloses a low-temperature sterile nanofiltration membrane treatment process for high-quality direct drinking water, mainly comprising: tap water, which passes through a delivery pump and a precision filter, and enters a nitrogen-sealed inlet tank; a vacuum system expels air from the nanofiltration (NF) membrane treatment system; a nitrogen generation system produces nitrogen gas with 99.5% purity, which is independently controlled by valves to replenish nitrogen gas to the nitrogen-sealed inlet tank, the NF membrane treatment system, and the NF membrane direct drinking water tank; after the nitrogen purity in the NF membrane treatment system meets the standard, the NF membrane treatment system is turned on, and the NF membrane permeate enters the NF membrane direct drinking water tank, passes through a nano-silver sterilization device, and is then transported to the end user by an external pump; the NF membrane concentrate is discharged into a rainwater well or a sewage well through an NF membrane concentrate discharge pipe. The high-quality direct drinking water nanofiltration membrane treatment process provided by this invention has the following advantages: the process is safe and reliable, improves the taste of NF membrane direct drinking water, reduces NF membrane fouling, and is easy to maintain.
Owner:NANJING FENGYUAN WATER CONSTRUCTION CO LTD +1

Intelligent pet feeder

The utility model relates to the related technical field of pet supplies, in particular to an intelligent pet feeder which comprises a base, a containing groove is formed in the upper surface of the base, a containing block is connected to the inner side surface of the containing groove in a sliding mode, and a grain storage box is fixedly connected to the upper surface of the containing block. A sealing groove is formed in the upper surface of the grain storage box, a sealing block is slidably connected to the inner side surface of the sealing groove, a box cover is fixedly connected to the upper surface of the sealing block, a discharging mechanism is arranged on the inner side surface of the grain storage box, and a preservation mechanism is arranged on the lower surface of the box cover. According to the intelligent pet feeder, through the arrangement of the fresh-keeping mechanism, when the intelligent pet feeder is used, a damp-proof fresh-keeping drying agent is placed in a fresh-keeping box, by means of sliding connection of a clamping groove and a clamping block, rapid installation and detachment of the fresh-keeping box can be achieved, the drying agent is convenient to replace, pet food in a food storage box is effectively prevented from being affected with damp and going bad, and the freshness of the pet food is guaranteed; the pet health is facilitated.
Owner:SHENZHEN OGEMRAY TECH CO LTD

A method for deploying a charging station for unmanned aerial vehicles based on data freshness

The application provides a method for deploying a charging station for unmanned aerial vehicles based on data collection freshness, comprising the following steps: S1, initialization; S2, node and system information freshness index representation; S3, two-dimensional Markov modeling for unmanned aerial vehicle state modeling; S4, charging station deployment problem modeling; S5, problem optimization; S6, problem conversion; S7, charging station deployment: based on the Greedy algorithm, the optimal state probability and the optimal state transition probability are used to select a position with the minimum peak value from a charging station position set to deploy the charging station. The method has the beneficial effect that the two-dimensional Markov chain is used to model the position and energy of the unmanned aerial vehicle, the relationship between the information freshness and the state probability in the stable state is represented, then a charging station set satisfying the budget is selected from multiple optional charging station positions on the basis of meeting the charging station deployment budget limit, and the transition probability between the unmanned aerial vehicle states is optimized to ensure the information freshness.
Owner:NINGBO UNIV

Refrigerator

The application discloses a refrigerator, which comprises a cabinet, a first temperature sensor, a humidity sensor, a refrigeration chamber, a refrigeration air duct, an evaporator, a compressor, a vacuum drawer located in the refrigeration chamber, an air supply air duct located above the vacuum drawer and communicated with the refrigeration air duct, a second temperature sensor arranged on the periphery of the vacuum drawer and a controller. The controller judges whether the environment where the refrigerator is located is an extreme environment according to the detection values of the first temperature sensor and the humidity sensor. When the refrigerator is in the extreme environment and the refrigerator is in the refrigeration mode and the vacuum drawer is in the fresh mode, in order to prevent frost from weakening the refrigeration effect of the refrigeration system, the compressor works for a period of time and then stops intermittently according to a preset period. In the process that the compressor stops, the refrigerator performs a defrosting action by utilizing the natural temperature difference between the refrigeration chamber and the evaporator. The refrigeration capacity of the refrigerator and the fresh-keeping capacity of the vacuum drawer under extreme conditions are effectively ensured, food spoilage is prevented, and the use experience of users is improved.
Owner:HISENSE(SHANDONG)REFRIGERATOR CO LTD

Caffeic acid carbon dot / pullulan-chitosan nano composite film for fresh keeping of fresh poultry meat and preparation method of caffeic acid carbon dot / pullulan-chitosan nano composite film

The invention discloses a caffeic acid carbon dot / pullulan-chitosan nano composite film for fresh keeping of fresh poultry meat and a preparation method of the caffeic acid carbon dot / pullulan-chitosan nano composite film, and belongs to the technical field of food packaging materials. According to the invention, pullulan and chitosan are used as a composite matrix, and caffeic acid derived carbon dots are used as a nano functional filler to be compounded to form the film. According to the invention, natural caffeic acid is converted into nano carbon dots, and the nano carbon dots are uniformly dispersed in a polysaccharide matrix, so that the problems of easy migration and single function of active components in a traditional active package are solved. The obtained nano composite film not only has high mechanical strength and good moisture resistance, but also has excellent and lasting antioxidant and antibacterial activity. When being applied to packaging of fresh meat products, the preservative can effectively inhibit microbial growth and fat oxidation, significantly delay spoilage and prolong shelf life. The invention provides a new strategy for developing high-performance and environment-friendly active food packaging materials.
Owner:NANJING AGRICULTURAL UNIVERSITY

Circulating filtering water tank capable of defoaming

The circulating filtering water tank comprises a purification tank, a chain plate conveying mechanism, a circulating tank and a heat exchanger, a collecting tank is arranged on one side face of the chain plate conveying mechanism, a water outlet is formed in one side face of the collecting tank, the circulating tank is arranged below the water outlet, and the heat exchanger is arranged below the circulating tank. A first sliding groove and a second sliding groove are formed in the inner wall of the circulation box, a first filter plate is slidably connected into the first sliding groove, and a second-stage middle filter plate is slidably connected into the second sliding groove. Meat food materials are conveyed through the chain plate conveying mechanism, the meat food materials on the chain plate conveying mechanism are cleaned through the water spraying pipe and the spray heads, the meat food materials can generate foam in the cleaning process, and the foam enters the foam removing groove from the water outlet through the collecting groove. And then defoaming liquid is injected into the defoaming tank through the first injector and the second injector, and the defoaming liquid can effectively eliminate foams generated by meat purification and flowing into the defoaming tank through chemical reaction.
Owner:CHINA NAT FOOD PURIFICATION TECH BEIJING CO LTD

A pickling box

The utility model discloses a kind of pickling boxes, including box body, sealing cover, piston and detachably installed on the vacuumizing assembly of sealing cover, box body is equipped with containing cavity;Sealing cover is used to cover on box body, sealing cover is equipped with first sealing ring and is opened with through-hole;Piston is rotatably clamped in through-hole, when piston rotates to first angle position, box body is in storage mode, when piston rotates to second angle position, box body is in pickling mode;When box body is in pickling mode, vacuumizing assembly is connected with sealing cover and the air in containing cavity is extracted, to make piston press down and block first through-hole, to form vacuum state in containing cavity. Thus, by setting rotatable piston on sealing cover, so that container can be freely switched between storage mode and pickling mode, realize a box multi-use, it can be used as ordinary sealed storage box, also can be switched to pickling mode by vacuumizing assembly, greatly improve the flexibility and application range of use.
Owner:FOSHAN KOEDA ELECTRIC APPLIANCE CO LTD

Unmanned aerial vehicle authentication and key negotiation system and method based on PUF and chaotic mapping

The invention discloses an unmanned aerial vehicle authentication and key negotiation system and method based on PUF and chaotic mapping, and relates to the field of information security and cryptographic protocol security. The system generates a unique challenge-response pair through an unmanned aerial vehicle terminal PUF module to complete registration, a four-way handshake mechanism is adopted in the authentication stage, a session key is dynamically generated in combination with Henon chaotic mapping, the number of chaotic iterations is hidden through XOR operation, and identity legality is guaranteed through multi-layer MAC verification. According to the method, secret keys do not need to be pre-stored, the PUF physical unclonability and the chaotic mapping sensitivity are utilized, anonymous authentication and forward security are achieved, lightweight computing adapts to unmanned aerial vehicle resource constraints, various attacks are effectively resisted, and communication security is guaranteed.
Owner:JINLING INST OF TECH

Refrigeration system, refrigeration apparatus, control method, and readable storage medium

The application provides a refrigeration system, a refrigeration device, a control method and a readable storage medium. The refrigeration system comprises a storage chamber, a refrigeration chamber, an evaporator arranged in the refrigeration chamber and used for heat exchange with gas in the refrigeration chamber to refrigerate, a defrosting device arranged in the refrigeration chamber and used for defrosting the evaporator, an air duct, one end of the air duct being communicated with the storage chamber and the other end of the air duct being communicated with the refrigeration chamber, a gas storage chamber communicated with the refrigeration chamber, and a fan arranged in the refrigeration chamber and used for driving gas in the refrigeration chamber to flow to the air duct or the gas storage chamber. Through the technical scheme, the influence of hot gas on the storage chamber is reduced or avoided, and the preservation environment and preservation effect of food materials are ensured.
Owner:HEFEI MIDEA REFRIGERATOR CO LTD +2

A fresh-keeping container gas regulating device

ActiveCN224410276USolve the preservation problemImprove mixing uniformity
The utility model discloses a kind of fresh-keeping container gas regulation and control devices, it is related to the field of fresh-keeping container, to solve the problem that the gas proportion in fresh-keeping container is different when the gas output after target gas mixing in prior art is transported, affect the preservation of goods. The spiral channel formed by every one described spiral vane and the inner wall of mixing box and fixed outer tube is separated by another two described spiral vane to form first gas channel, second gas channel and third gas channel, every group described first gas channel, second gas channel and third gas channel are communicated, and the uppermost end outside annular array of mixing box side wall along first gas channel is provided with first air inlet, and the lower end of mixing box side wall along first air inlet is provided with second air inlet and third air inlet, and first air inlet, second air inlet and third air inlet are communicated with corresponding first gas channel, second gas channel and third gas channel respectively.
Owner:GUANGDONG XIANRUN ECOLOGICAL AGRI TECH CO LTD

A knowledge graph-based financial information management method

ActiveCN121456043BAchieve multi-angle expressionAchieve high-frequency and efficient updatesFinanceDatabase management systemsRisk ControlData set
This invention discloses a knowledge graph-based financial information management method, comprising the following steps: S1, collecting multi-source heterogeneous financial data to generate an initial financial dataset; S2, extracting financial entities and semantic relationships, constructing a set of triples to form an initial financial knowledge graph; S3, performing semantic enhancement processing to construct a semantically enhanced financial graph; S4, setting a graph update scheduling mechanism, performing dynamic update operations, and generating a dynamic graph structure; S5, inputting the graph into an improved NodeFormer model and outputting risk path identification results; S6, constructing a graph semantic question-and-answer structure and outputting structured query response results; S7, constructing a graph visualization module to generate graph analysis views and audit suggestion results. This invention improves the accuracy and tracking capability of risk paths in financial data, effectively enhancing the transparency, response efficiency, and risk control capabilities of the financial audit process.
Owner:BEIJING SHANGXIN TECHNOLOGY CO LTD

A fresh aquatic product turnover and storage box

A kind of fresh aquatic product turnover, storage box, relate to the technical field of equipment used by aquatic product, including box, oxygenation pump, battery, power switch, battery box, cover plate, illuminating lamp, movable cover;Oxygenation pump is installed in the box, movable cover is installed on the box, movable cover upper end has installation box, power switch and battery box are respectively installed in element warehouse, battery warehouse, battery is installed in battery box;Cover plate is installed on the upper end of installation box, illuminating lamp is fixedly installed on the lower end of movable cover, the power input end of two power switches of battery pole, two is electrically connected, the power output end of two power switches and the power input end of illuminating lamp, oxygenation pump are electrically connected respectively.The new type has strong box, can be conveniently stacked and assembled and placed, can actively provide oxygen in the box, provides convenience for anglers, catering industry, aquatic product transportation etc., and can guarantee the freshness of aquatic product during transportation and display etc.Summing up, the new type has good application prospect.
Owner:SHANGHAI CHANGNONG FISHERY E-COMMERCE CO LTD