377results about How to "Guaranteed freshness" patented technology

The invention discloses a refrigeration cabinet and an operation control method of the refrigeration cabinet. A weight sensor used for detecting the weight of stored articles and a temperature sensor used for detecting the temperature of a chamber are arranged in the storage chamber of the refrigeration cabinet. When it is detected that the door body is opened, the compressor is controlled to stop running; calculating a weight change value according to the object weight detected by the weight sensor before and after the door body is opened; according to the compartment temperature detected by the temperature sensor, the temperature change rate is calculated; and after it is detected that the door body is closed, the operation state and operation parameters of the compressor are controlled according to the door opening duration of the door body, the weight change value and the temperature change rate. By the adoption of the refrigerator, door opening and closing actions, food material weight changes and compartment temperature changes can be effectively combined to control the rotating speed of the compressor, the cooling speed is increased, and the storage quality of food is improved.

The invention provides a vehicle-mounted refrigerator control method and device, electronic equipment and a storage medium, the method comprises the steps that stored object information of a vehicle-mounted refrigerator is obtained, and the stored object information comprises a plurality of stored object categories and storage weights, ideal storage environments and storage weights corresponding to the stored object categories; based on the stored object information, the weighted average temperature and the weighted average humidity of the vehicle-mounted refrigerator are calculated, a temperature difference value is obtained according to the weighted average temperature and the current refrigerator temperature, and a humidity difference value is obtained according to the weighted average humidity and the current refrigerator humidity; and the current vehicle speed, the external environment temperature and the external environment humidity of the vehicle serve as adjusting coefficients, the temperature difference value and the humidity difference value are adjusted, a temperature adjusting value and a humidity adjusting value are obtained, and therefore the vehicle-mounted refrigerator conducts dynamic temperature and humidity control based on the temperature adjusting value and the humidity adjusting value. Through the method, the technical problem that the temperature of the vehicle-mounted refrigerator cannot be automatically adjusted is solved.

The invention discloses a water source type fresh air handling unit capable of independently controlling temperature and humidity. The condensation and dehumidification assembly is arranged in the shell, the condensation and dehumidification assembly comprises a dehumidification air duct, a water collecting tank is driven by the bottom of the dehumidification air duct, an evaporator and a condenser are installed in the dehumidification air duct in parallel, and a first fan is fixedly connected to one end of the dehumidification air duct and used for introducing indoor or outdoor air; through the design of the water pump, the sealing box and the nozzle, automatic high-pressure washing of the evaporator is achieved, the evaporator is kept clean, and the service life of the device is prolonged; when fresh air needs to be introduced, indoor and outdoor air exchange is easily achieved by switching cooperation of the air channel and the draught fan, and the freshness of the indoor air is guaranteed. A floor heating water source is used for heat exchange, and indoor temperature and humidity are adjusted by transferring indoor energy.

The invention provides a preparation method of jujube juice rich in fructan, the jujube juice rich in fructan and application of the jujube juice rich in fructan, and particularly belongs to the technical field of fruit juice preparation. The preparation method of the fructan-rich jujube juice comprises the following steps: mixing immobilized fructan sucrase with jujube juice, carrying out sugar conversion, centrifuging, and discarding precipitate, so as to obtain the fructan-rich jujube juice, the nucleotide sequence of the gene for coding the fructan sucrase is as shown in SEQ ID NO. 1. According to the preparation method disclosed by the invention, the sucrose in the jujube juice can be efficiently converted into the fructan, and the sucrose is converted into the fructan while the content of the easily utilized sugar (sucrose) is reduced.

The invention relates to the technical field of biotechnology, and discloses a special biological fresh-keeping preservative method for cattle stomach, which comprises the following steps: firstly, pretreating the cattle stomach; the method comprises the following steps: putting the cattle stomach into flowing clear water, washing off obvious impurities, dirt and mucous membrane liquid on the surface, soaking the cattle stomach in saline water or a food-grade cleaning agent solution in a certain proportion for 10-30 minutes, kneading the surface of the cattle stomach, washing the kneaded cattle stomach with clear water again, and removing impurities and cleaning agent residues after soaking and kneading, and placing the cleaned cattle stomach in a filter screen or a clean container, and naturally draining water. And further determining the strain by adopting a 16SrDNA (Deoxyribose Nucleic Acid) detection technology, and analyzing experimental data to find out a bacteriostatic agent with the best effect and the lowest effective bacteriostatic concentration through a bacteriostatic activity experiment. And finally, determining quality index data of the cattle stomach through a single factor and an orthogonal test, and optimizing the bacteriostatic agent with the best effect, so that the shelf life of the cattle stomach stored at low temperature is prolonged.

The invention discloses an intelligent analysis method for a grain storage process, and relates to the technical field of intelligent storage, and the method comprises the steps: analyzing the influence degree of environment data on grain quality, recognizing key environment data and secondary environment data, carrying out the abnormal value detection of the key environment data based on a box plot method, whether abnormal value detection is carried out on the secondary environment data or not is judged according to the key environment data abnormal value detection result and the influence degree of the secondary environment data on the grain quality; correcting the abnormal data based on a particle swarm optimization radial basis function neural network algorithm to obtain an abnormal environment factor; the problems that the response to the change of the storage environment is not timely and the grain storage efficiency is low are solved; the grain storage efficiency is improved, the loss is reduced, and the grain quality is ensured.

The invention discloses a multi-layer pellet-shaped plant fish bait and a preparation method thereof, and relates to the technical field of feeds, the innermost layer of the multi-layer pellet-shaped plant fish bait is a pellet core prepared from basic bait, a filling agent, essence and an adhesive, the surface of the pellet core is provided with a plurality of pits, the pits are filled with food calling pellets, and the food calling pellets are arranged in the pellet core. A microporous coating film with a controlled release effect is attached to the surface of the pellet core; wherein the food calling pellet is prepared from the following components in percentage by weight: 40 to 50 percent of pre-gelatinized starch, 20 to 30 percent of seaweed meal aqueous solution and 20 to 40 percent of bagasse fermentation product. The prepared fish bait has a multi-layer composite structure, has good dissolving performance in water, is beneficial to lasting release of food calling components in the food calling pellets and achieves good food calling and fish retaining effects, and in addition, compared with a traditional fish bait which is prepared and used at present, the fish bait provided by the invention is more convenient to use and lower in cost. The cost is reduced, and meanwhile, the freshness retaining property of the fish bait can be guaranteed.

The utility model provides a fresh-keeping device for agricultural product distribution, and relates to the technical field of fresh keeping. Comprising a fresh-keeping cabinet and a refrigerating machine installed in the fresh-keeping cabinet, a spraying assembly is arranged in the fresh-keeping cabinet and comprises a water conveying pipe main pipe, the water conveying pipe main pipe fixedly communicates with a water conveying pipe branch pipe, the water conveying pipe main pipe and the water conveying pipe branch pipe fixedly communicate with spray heads, and the water conveying pipe main pipe is provided with a small water suction pump; by arranging the spraying assembly and the refrigerating machine, the optimal temperature and humidity required by different distributed agricultural products are different, after humidity adjustment is started, when the humidity in the fresh-keeping cabinet is lower than a set range, a small water suction pump is automatically started, water stored in a water storage tank is pumped out, and the fresh-keeping cabinet is used for fresh-keeping of agricultural products. The agricultural products are stored in the storage frame and sprayed on the distributed agricultural products placed in the storage frame through the spray heads, moisture evaporation of the agricultural products in the transportation process can be reduced by keeping appropriate humidity, the freshness degree is kept, reproduction of microorganisms can be effectively inhibited through the low-temperature environment, and the fresh-keeping period of the agricultural products is prolonged.

The invention provides a method for separating oleic acid from a byproduct of OPO grease and oleic acid. The method comprises the following steps: (1) a seed crystal comprises the following components in percentage by mass: 70-100 wt% of stearic acid, 0-20 wt% of palmitic acid triglyceride and 0-15 wt% of glyceryl monostearate or glyceryl monostearate and glyceryl distearate; (2) adding the seed crystal into the OPO by-product according to the addition amount of 10-50wt%, and stirring at the temperature of 70 DEG C under the protection of N2 to obtain crystal slurry; (3) pumping the crystal mush into a crystallization kettle, protecting by N2, stirring, setting the initial temperature of the crystallization kettle to be 70 DEG C, and preserving heat for 1 hour; reducing the temperature from 70 DEG C to 55 DEG C at 3-5 DEG C / h; the temperature is reduced from 55 DEG C to 20 DEG C at the speed of 2-3 DEG C / h; finally, the temperature is reduced to 15-8 DEG C from 20 DEG C at the speed of 1-2 DEG C / h, heat preservation is conducted for at least 5 h, and a crystal substance is obtained; carrying out filter pressing on the crystal substance at the pressure of 0.6 MPa and the temperature of 8-15 DEG C to obtain a filter cake and filtrate; according to the method, the OPO byproduct is used as a raw material to recover high-quality oleic acid, the purity of the oleic acid is more than 80%, and the recovery rate is more than 60%.

The invention relates to the technical field of gas dust comprehensive prevention and control, in particular to a coal mine underground gas dust comprehensive prevention and control device. The air supply sleeve is arranged in the working roadway and communicated with the tail end of the air inducing pipe, and a plurality of air supply outlets are formed in the wall of the air supply sleeve; the water spraying sleeve is arranged in the working roadway and communicates with the air supply sleeve, and a plurality of water spraying channels are formed in the wall of the water spraying sleeve so as to spray water mist to the working roadway; the water conveying pipe is connected with the water spraying sleeve and used for supplying water to the water spraying sleeve. The rotating shaft is arranged in the air supply sleeve, the water spray sleeve and the water conveying pipe, and is provided with a plurality of power blades and spiral water supply blades; fresh air impacts the power blades so as to drive the rotating shaft and the spiral water conveying blades on the rotating shaft to rotate, and therefore water flow in the water conveying pipe is guided into the water spraying sleeve. The device is matched with an existing negative pressure ventilation system, ventilation and dust falling are conducted at the same time, and the accumulation risk of harmful gas and dust is reduced.

The invention discloses a flexible and intelligent group key negotiation method under an unmanned aerial vehicle ad hoc network, which is applied to each unmanned aerial vehicle of an unmanned aerial vehicle group, the unmanned aerial vehicle has a secret share, the secret share is a univariate polynomial determined based on two threshold values, and the two threshold values are alternately updated during continuous group key updating. When the group key is updated at the current time, generating a new threshold value of a threshold value which is not updated when the group key is updated at the last time by adopting a threshold value decision model; according to the new threshold value, the updated threshold value when the group key is updated last time and the updated secret share when the group key is updated last time, the updated secret share when the group key is updated at the current time is determined; and according to the private key of the unmanned aerial vehicle and the updated secret share of the unmanned aerial vehicle when the group key is updated at the current time, determining secret data of the unmanned aerial vehicle, broadcasting and receiving secret data of other unmanned aerial vehicles, and calculating the group key at the current time according to the secret data. According to the invention, the threshold value can be changed flexibly, and the group key can be updated.

The invention relates to the field of tea beverages, in particular to a litsea coreana beverage and a preparation method thereof.The litsea coreana beverage is composed of litsea coreana soup, baking soda, vitamins and water, the sugar degree of the litsea coreana beverage is 0.04-0.17%, and the pH value of the litsea coreana beverage is 5.5-6.5. The problems that an existing hawk tea beverage lacks the characteristic flavor of hawk tea and contains many additives can be solved.

The invention discloses red imported fire ant bait and a preparation method thereof. The invention relates to a red imported fire ant bait, which is prepared from the following components in percentage by mass: 56.76 percent to 61.99 percent of corn flour, 16.57 percent to 18.85 percent of dried meat floss, 16.50 percent to 18.90 percent of peanut oil, 3.08 percent to 4.22 percent of milk powder, 0.01 percent to 0.10 percent of ethyl butyrate, 1.34 percent to 1.70 percent of potassium sorbate and 0.01 percent to 0.50 percent of insecticide. Compared with the prior art, the solenopsis invicta bait has the following advantages that on the basis of background baits (corn flour, dried meat floss, peanut oil and milk powder), potassium sorbate keeps the freshness of the baits, a trace amount of ethyl butyrate is added, the appetite of solenopsis invicta is further stimulated, the palatability of the baits to the solenopsis invicta is improved, and the service life of the solenopsis invicta bait is prolonged. Particles with the average particle size of 1.5 mm are prepared through a pelletizer and are suitable for carrying of the solenopsis invicta, so that the attraction of the bait to the solenopsis invicta is further enhanced.

The invention relates to the technical field of refrigeration equipment, and discloses a refrigerator which comprises an inner container, a heat exchanger and a heat exchanger. The drawer assembly is arranged in the inner container, the drawer assembly comprises a drawer cover plate and a drawer body which are connected in a sliding mode, the drawer cover plate is provided with a moisture permeable assembly, and the top of the drawer assembly is provided with a first ventilation part and a second ventilation part which are oppositely arranged; air flow blown out from at least one air opening flows into the drawer body through the first ventilation part and flows out from the second ventilation part, the air flow flowing into the drawer body forms an auxiliary air path on the lower surface of the drawer cover plate, and the auxiliary air path is used for preventing the lower surface of the moisture permeable assembly from frosting. Thus, the purpose of adjusting the humidity in the drawer can be achieved, the frosting amount of the moisture permeable assembly at the top of the drawer can be reduced, and the moisturizing and fresh-keeping effects of food materials are guaranteed.

The present invention provides a sweet-smelling cigarette containing a sweet-smelling essence filter and a double-barrier transfer paper, and a preparation method thereof. The method comprises: 1. preparing a filter rod with a sweet-smelling essence; 2. preparing a double-barrier transfer paper; 3. preparing a sweet-smelling cigarette. The filter rod essence provided by the present invention is slowly and continuously dissolved and released, which improves the comfort of smoking cigarettes and greatly improves the richness and naturalness of the taste of smoking. The double-barrier transfer paper provided by the present invention can effectively control the sustained release of sweet substances so that the transfer paper can maintain the sweetness for a long time. On the basis of the sweet filter rod, the present invention is combined with a transfer paper containing a barrier to synergistically improve the sweetness and durability, so that during the smoking process of the cigarette, saliva gradually contacts the transfer paper, and the essence is slowly and continuously dissolved and released, thereby improving the comfort of smoking cigarettes.

The invention discloses a vertical hotpot condiment packaging machine, and relates to the field of hotpot condiment sealed packaging, the vertical hotpot condiment packaging machine comprises a packaging machine box frame, the packaging machine box frame is provided and connected with a falling channel for hotpot condiments to fall and pass through; a movable limiting mechanism used for limiting the packaging bags is arranged on the upper portion of the falling channel, and the movable limiting mechanism is installed and connected to the packaging machine box frame. A conveying mechanism used for moving and conveying the packaging bags is arranged below the movable limiting mechanism, and the conveying mechanism is installed and connected to the packaging machine box frame. The packaging machine box frame is further provided and connected with a winding and unwinding mechanism used for winding and unwinding the conveyed packaging bags. The packaging machine is used for packaging hotpot condiments, and in the packaging implementation process, the sealing position of a packaging bag can be finely adjusted, so that the sealing effect of the formed hotpot condiment packaging bag is guaranteed, the fresh-keeping effect of the sealed hotpot condiments is guaranteed, and the storage time is prolonged.

The utility model discloses an anti-scald smoke control type moxibustion box, which relates to the technical field of moxibustion boxes and comprises a moxibustion box body, the moxibustion box body is movably arranged in a heat insulation shell, a plurality of groups of heat insulation positioning pads are annularly arranged on the inner wall of the heat insulation shell at equal intervals, and the heat insulation positioning pads are attached to the outer surface of the moxibustion box body. A heat insulation sealing cover is arranged on one side of the moxibustion box body, the heat insulation sealing cover is detachably connected with the moxibustion box body, and a bottom heat insulation pad is arranged at the bottom of the heat insulation shell; wherein a ventilation opening is formed in the middle of the heat insulation sealing cover, smoke treatment assemblies are symmetrically arranged on the two sides in the heat insulation sealing cover, heat insulation can be conducted in all directions, the situations that medical workers take the smoke and a patient is scalded are avoided, meanwhile, smoke can be adsorbed and filtered, and the smoke discharge amount is reduced; and the freshness of indoor air is ensured.

The invention relates to the technical field of refrigeration equipment, and discloses a control method for a refrigerator, the refrigerator comprises an inner container, a main fan and a drawer assembly, the drawer assembly is arranged in the inner container, a first air opening and a second air opening are formed in the side wall of the inner container, the first air opening is located above the drawer assembly, and the second air opening corresponds to the drawer assembly; the control method comprises the steps that under the condition that the first air opening and the second air opening are both opened for air outlet, the temperature value in the drawer assembly is obtained; under the condition that the temperature value of the drawer assembly is higher than the shutdown temperature of the refrigerator, the humidity value in the drawer assembly is obtained, and opening and closing of a second air opening are controlled according to the ratio of the humidity value of the drawer assembly to a first humidity threshold value; and under the condition that the temperature value of the drawer assembly is lower than or equal to the shutdown temperature of the refrigerator, the main fan is controlled to be shut down. In this way, the humidity in the drawer can be adjusted, and the freezing and fresh-keeping effects of food materials in the drawer are guaranteed. The invention further discloses a control device for the refrigerator and the refrigerator.

The invention relates to the field of big data management and control, in particular to a supply chain group meal management and control system based on big data, which comprises a dish information module used for collecting delivery time of a plurality of dishes, a train information module used for collecting train information of a plurality of trains, a collection module used for collecting the delivery time and preprocessing the delivery time to generate corresponding preprocessing data, and a management and control module used for managing the corresponding preprocessing data. The system comprises a preprocessing module used for preprocessing data, a learning module used for selecting a plurality of index characteristics of the preprocessing data for learning and generating a standard distribution time length of dishes, and a planning module used for generating a group meal supply plan according to the standard distribution time length and train information, adjusting the learning module according to the group meal supply plan, and visualizing a group meal supply chain by using the learning module. The difficulty of management and control in the distribution process is reduced, the freshness of the food materials in the distribution process is guaranteed, the problem that the food production amount is not easy to control is effectively solved, the problem of information lag of a food supply chain is further avoided, and the practicability of the group meal supply chain is improved.

The invention belongs to but is not limited to the technical field of agricultural product storage, and discloses a mutton quality improving and gradient processing storage method which comprises the steps of cold storage, ice temperature and freezing storage. A modified atmosphere fresh-keeping packaging method; applying a natural biological fresh-keeping technology; and carrying out full-chain storage management. Through comprehensive application of cold storage, ice temperature and freezing in combination with a modified atmosphere fresh-keeping packaging technology, the storage time of the mutton is remarkably prolonged, and meanwhile the excellent quality of the mutton is kept. The cold storage and ice temperature technology effectively inhibits the growth and enzymatic reaction of microorganisms, delays the oxidation process of the mutton, and maintains the color, texture and flavor of the mutton; the quick freezing and ultrasonic unfreezing technology is adopted, so that the damage to the cell structure of the mutton in the freezing and unfreezing process is reduced to the maximum extent. By optimizing the unfreezing process, juice loss is reduced, the unfrozen mutton still keeps good texture and taste, and the problem of quality loss in a traditional method is solved.

The invention belongs to the technical field of advertisement communication, and discloses a network and new media advertisement communication device which comprises a device body, a U-shaped connecting plate is fixedly connected to the top of the device body, and a first motor is installed on the embedded side of the device body. When the special-shaped semicircular disc rotates, the arc-shaped part of the special-shaped semicircular disc can abut against the output disc, so that the output disc ascends, a spring is compressed, a second cylindrical connecting block slides upwards in a sliding groove, and meanwhile when the special-shaped semicircular disc rotates, the special-shaped semicircular disc abuts against a shifting block, so that the output disc rotates by 180 degrees; the cleaning frame is driven by the first rotating rod to rotate, meanwhile, the cleaning frame can drive the advertisement screen to turn over, the advertisement screen can intermittently rotate to turn over, it is avoided that advertisement content is fixedly displayed for a long time, the feeling of fatigue of audiences on the same content is reduced, and advertisements are made to keep certain freshness all the time.

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.

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.

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.

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.

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.

The embodiment of the invention discloses a logistics transportation information generation method and device, equipment, a medium and a program product. A specific embodiment of the method comprises the steps of obtaining a current link transportation state and current logistics transportation information; determining a transportation duration prediction model corresponding to the current link transportation state; inputting the current logistics transportation information and the actual transportation duration into a transportation duration prediction model to obtain an article transportation prediction duration in the current link transportation state; and carrying out transportation adjustment processing on the current logistics transportation information in response to determining that the article transportation prediction duration is greater than a preset article transportation duration threshold value, so as to obtain adjusted logistics transportation information. The embodiment is related to cold chain transportation, and by considering the particularity of the current link transportation state, the accuracy of transportation duration prediction in the current link transportation state (for example, in a cold chain scene, the shelf life of fresh goods and the particularity of logistics) can be improved, and the waste of transportation goods and transportation resources is reduced.

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.

The invention discloses a degradable packaging film for fresh keeping of fruits and vegetables as well as a preparation method and application of the degradable packaging film, and belongs to the technical field of food packaging materials. The preparation method of the degradable packaging film for fruit and vegetable preservation comprises the following steps: dissolving chitosan in an acetic acid solution, adding soybean protein isolate, adjusting the pH value of the solution to 2-4, and stirring at 80-90 DEG C to obtain a soybean protein fiber solution; adding plant essential oil into the soybean protein fiber solution, stirring at a high speed, adding into the konjac glucomannan solution, continuously stirring to obtain a film-forming solution, pouring the film-forming solution on a flat plate, and drying to obtain the degradable packaging film for fresh keeping of fruits and vegetables. The prepared degradable packaging film for fruit and vegetable fresh-keeping is degradable, capable of blocking gas, antibacterial and antioxidant, has high mechanical performance, can effectively keep the freshness of packaged fruits and vegetables, and can serve as a fruit and vegetable fresh-keeping packaging film to prolong the shelf life.

The invention discloses a vegetable fresh-keeping and transporting device, and relates to the technical field of vegetable fresh keeping, the vegetable fresh-keeping and transporting device comprises a bottom shell, storage racks, middle partition plates and a top cover, the storage racks are stacked, the middle partition plates are arranged among the multiple storage racks, partition grooves are formed in the storage racks, connecting mechanisms are arranged among the storage racks, and air exhaust mechanisms are arranged in the partition grooves; a pressing plate is arranged at the top of the separation groove, and a refrigeration assembly is arranged in the bottom shell. The air exhaust mechanism comprises air guide pipes distributed in the separation grooves, the air guide pipes are provided with vent holes corresponding to the separation grooves, the air guide pipes extend to the outer side of the storage frame, the parts, located on the outer side of the storage frame, of the air guide pipes are connected with outer communicating pipes, air exhaust valves are arranged on the outer communicating pipes, and storage films and sealing films are distributed in the separation grooves. The vegetables are sealed and placed at intervals through the storage thin film, the sealing thin film and the separation grooves, and fresh-keeping storage and stable transportation of the vegetables are guaranteed.