746 results about "Mildew" patented technology

The invention discloses a fresh corn circulation mildew-proof and quality-guaranteeing method based on intelligent monitoring, and particularly relates to the technical field of agricultural product circulation management.The method comprises the steps that quality data are collected through image, gas, humidity, temperature and microorganism multi-source sensing means, and a quality degradation trend curve and a risk grade score are generated in combination with a time sequence modeling algorithm; identification parameters are automatically adjusted in a high-humidity or oscillation environment, so that early-stage mildew identification accuracy is improved; a high-risk batch is identified through multi-dimensional cross analysis, and a circulation suspension response is triggered; the whole-process data is uploaded to a management platform, so that a traceable quality record is formed, and whole-process dynamic monitoring and closed-loop control are realized; according to the method, recessive mildew is recognized through multi-modal perception, the shelf life is predicted and evaluated through trend, the recognition stability is dynamically adjusted and improved, a chain type data tracing mechanism is constructed to achieve model self-evolution, the quality early warning, risk control and continuous optimization capacity in the whole fresh corn circulation process is improved, and it is ensured that the quality guaranteeing and mildew preventing effects are accurate and reliable.

The invention relates to the technical field of tobacco logistics and intelligent control, and discloses an intelligent temperature and humidity regulation and control system and method for tobacco transportation, and the system comprises a multi-dimensional environment sensing module, a self-adaptive strategy generation module and a closed-loop efficiency verification module. The method comprises the following steps: capturing three-dimensional space parameters in a transportation carrier in real time through distributed sensing nodes, outputting a structured environment situation matrix, and providing a space-time reference for a regulation and control decision; after receiving the environmental perception data, executing dynamic strategy optimization, establishing a transportation stage-spatial position two-dimensional regulation and control strategy library, processing sensitivity differences of tobacco leaves in different regions by adopting an asymmetric weighting algorithm, and generating a regulation and control scheme containing a gradient regulation instruction; real-time evaluation and strategy iteration of the regulation and control effect are achieved, microenvironment response detection is deployed, tobacco physical characteristic change data are collected, and a triangular verification model is constructed. The method effectively controls moisture content distribution, inhibits browning and mildew risks, and maximally retains tobacco leaf quality characteristics.

The invention discloses a traditional Chinese medicinal material quality evaluation method and system based on big data analysis, and relates to the field of traditional Chinese medicinal material detection, and the main scheme is as follows: obtaining soil parameter data of different medicinal material planting areas, and analyzing to obtain a soil fertility index and a planting suitability index; obtaining effective component contents of the traditional Chinese medicinal materials, and calculating effective component predicted values of the traditional Chinese medicinal materials; calculating a machining process stability index by analyzing the machining process parameters; calculating a mildew evaluation index according to the environmental mildew data and the medicinal material mildew data in the storage environment; a quality evaluation comprehensive index is obtained through comprehensive analysis; comparing the quality evaluation comprehensive index with a quality evaluation comprehensive index threshold value, judging whether the comprehensive quality evaluation of the traditional Chinese medicinal materials is qualified or not, and if the comprehensive quality evaluation is not qualified, judging a link causing a quality problem; the problems that a traditional Chinese medicinal material quality evaluation method in the prior art focuses on a single component and only focuses on the quality of traditional Chinese medicinal materials in a certain specific link are solved.

The invention discloses a traditional Chinese medicinal material condition feature extraction and classification processing method and system, and the method comprises the following operation steps: collecting a medicinal material image of gastrodia elata, and carrying out the preprocessing of the medicinal material image of gastrodia elata to obtain a to-be-detected medicinal material image; performing edge detection on the to-be-detected medicinal material image to extract contour information to obtain a to-be-detected edge image; and extracting multi-scale mildew features of the to-be-detected edge image, and identifying abnormal defects of the rhizoma gastrodiae medicinal material image through the multi-scale mildew features. According to the invention, multiple features are extracted from the abnormal region of the to-be-detected edge image, so that mildew can be judged, and missing detection can be prevented according to recognition of holes.

The invention relates to the technical field of environment control, in particular to an intelligent mildew-proof system and a mildew-proof and moisture-proof product, and the system comprises an evaporation trend monitoring module, a wet area path identification module, a retention risk identification module, a stress grade judgment module and a linkage adjustment archiving module. According to the method, through comprehensive collection and difference analysis of environment parameters of air duct nodes and superposition of air velocity and dew point change trends, humidification trend data with time sequence and spatial flow direction characteristics are constructed, wet flow direction consistency and a wind speed disturbance track in a continuous time window are combined, a wet area expansion path is identified, and a key diffusion section is positioned; through extracting deviation information between a regional equipment response state and a risk level intervention demand, linkage intervention of a fan and dehumidification is realized, accurate adjustment and dynamic recording of multi-parameter cooperative control are completed, fine identification capability of a wet region evolution and retention trend is enhanced, and initiative and adaptability of space humidity control response are improved.

The utility model discloses a demersal roe hatching device, which relates to the technical field of roe hatching and comprises a hatching container, a hatching sieve bed, a weeping pipe and an overflow pipe, the overflow pipe and the hatching sieve bed are arranged in the hatching container, the top of the hatching container is open, the weeping pipe is arranged above the hatching container and communicated with a water inlet pipe, and a sieve is laid in the hatching sieve bed. Meshes of the screen mesh are smaller than the diameter of the fertilized eggs, so that the fertilized eggs can be flatly laid on the screen mesh before incubation, and the incubation screen bed is at least 10cm lower than an overflow port of the overflow pipe. The fertilized eggs can be flatly laid on the screen in the hatching screen bed in the middle layer of the water body, it is guaranteed that each fertilized egg can obtain sufficient dissolved oxygen supply of the water body, the development requirement is met, hatched fries can fall into the bottom of the hatching container from the screen in time, and the hatching efficiency is improved. Dead eggs and egg shells can be effectively prevented from being infected with water mildew to harm development of other normal fertilized eggs, the work intensity of manually picking up the dead eggs in a traditional hatching mode is reduced, and the hatching rate of the fertilized eggs and the survival rate of juvenile fishes are increased.

The invention relates to the technical field of building decoration materials, in particular to a high-performance antibacterial mildew-proof sealant and a preparation method thereof. The sealant is prepared from the following raw materials in parts by weight: 20 to 30 parts of silane modified polyurethane, 40 to 50 parts of nano calcium carbonate, 20 to 30 parts of a plasticizer, 3 to 7 parts of a hydroxyl silane coupling agent, 0.4 to 0.8 part of a mildew preventive, 0.3 to 0.7 part of an ultraviolet light absorber, 0.3 to 0.7 part of a de-foaming agent and 0.8 to 1.2 parts of a first catalyst. The high-performance antibacterial and mildew-proof sealant has long-acting antibacterial and mildew-proof performance, and excellent mechanical performance and weather resistance of the sealant can be maintained, so that the requirements of industries such as building, medical treatment and food processing on high-performance, healthy and environment-friendly sealing materials are met; and the preparation method is simple and controllable, the production cost is relatively low, and large-scale production can be realized.

The invention discloses a pseudo-ginseng seed storage method, relates to the technical field of seed treatment, and aims to solve the problems that pseudo-ginseng seeds are difficult to store, easy to lose vigor and severely mildew.The pseudo-ginseng seed storage method adopts a specially-made bionic microenvironment packaging unit to wrap the seeds, the inner layer of the specially-made bionic microenvironment packaging unit contains a moisture slow-release agent, and a bacteriostatic agent and active substances needed by germination can be intelligently released in a staged mode; the outer layer of the seed packaging box is a selective breathable film which integrates humidity and microbial contamination state indication functions and stress buffer characteristics, then the packaged seed is placed in an intelligent regulation and control storage cabin, and the temperature and humidity are accurately regulated and controlled by the storage cabin; gas components (such as low oxygen, high carbon dioxide or ozone) regulation and control, efficient air filtration and an intelligent monitoring and remote management system can be selected, the service life of the seeds can be remarkably prolonged, high germination rate and activity are kept, mildew is effectively inhibited, physiological after-ripening and germination are optimized, and intelligentization, standardization and refinement of seed storage management are achieved.

The invention discloses a new energy power generation prediction method based on weather data, and the method comprises the following steps: a, carrying out the characteristic analysis of a raw material, collecting the physical characteristic parameters of a biomass raw material, including the heat value of a dry basis, the moisture content of a wet basis and the mass, and generating an initial power generation prediction through a thermodynamic model; b, a distributed temperature and humidity sensor network is deployed in a raw material storage area, temperature, humidity and rainfall data are collected in real time, and the raw material mildew rate and moisture content change are dynamically predicted in combination with environmental parameters; through multi-dimensional data perception, multi-physical field coupling modeling and an intelligent decision engine, dynamic prediction of the raw material quality and the transportation efficiency in biomass energy power generation is realized, the power generation capacity prediction error is reduced, meanwhile, the raw material loss is reduced, and a key technical support is provided for large-scale efficient utilization of biomass energy power generation in new energy power generation.

The invention provides a preparation method of an environment-friendly preservative for preparing a dog fur specimen, and belongs to the field of animal specimen preparation. According to the preservative, natural plant extracts are combined with low-toxicity chemical components, so that the original color and form of a specimen can be kept, and excellent corrosion resistance, mildew resistance and worm damage resistance are provided. Compared with a traditional formaldehyde preservative, the preservative disclosed by the invention has the advantages of low toxicity, small smell, safety in operation and the like, and is suitable for long-term preservation of marine animal specimens in museums, scientific research institutions and related units.

The invention discloses a nucleic acid product, a kit and a method for detecting aspergillus and application of the nucleic acid product, the kit and the method in detecting mildewed tobacco leaves. The nucleic acid product comprises a primer pair and a probe for detecting aspergillus, the primer pair comprises an upstream primer with a nucleotide sequence as shown in SEQ ID NO: 1 and a downstream primer with a nucleotide sequence as shown in SEQ ID NO: 2, and the nucleotide sequence of the probe is as shown in SEQ ID NO: 3. The nucleic acid product can specifically detect aspergillus, can realize rapid detection of tobacco mildew based on qPCR technology, has high sensitivity, simple operation, low cost and fast detection speed, can complete the whole detection process within several hours, does not need uncapping in amplification and detection processes, and avoids aerosol pollution caused by uncapping detection in common PCR.

The invention relates to a reinforcement learning-based granary ventilation energy consumption optimization system and method, in particular to the field of granary ventilation energy consumption optimization, and can effectively improve the intelligent level of granary ventilation control by setting a data acquisition and fusion module, a state space construction module, a reinforcement learning training module and a real-time decision and feedback module. Accurate perception and decision-making of a dynamic environment are realized through cooperative work of multiple modules, the system adaptively optimizes a ventilation strategy by using a reinforcement learning technology, energy consumption is remarkably reduced, meanwhile, it is ensured that the temperature and humidity in a granary are stabilized in a safe range, the grain mildew or qualitative change risk is avoided, and the system has high practicability. The online learning ability of the method can continuously adapt to external weather changes and grain condition dynamic states, closed-loop optimization is formed, and finally energy consumption minimization is achieved on the premise that grain storage safety is guaranteed.

The invention relates to the technical field of coatings, and discloses an antibacterial and mildew-proof photocureable coating, which is prepared from the following raw materials in percentage by mass: 49 to 60 percent of photocureable resin, 27 to 40 percent of ultraviolet curing monomer, 3 to 7 percent of photoinitiator and 0 to 15 percent of additive, and the content of the additive is not 0; the additive is an aromatic aldehyde compound. According to the antibacterial and mildew-proof photocureable coating comprising the photocureable resin, the ultraviolet curing monomer, the initiator and the additive, the raw materials are limited in a specific range, and the aromatic aldehyde compound is used as the additive, so that the antibacterial and mildew-proof photocureable coating has a good mildew-proof effect; and the curing strength of the cured coating can be effectively improved.

The invention provides a distributed intelligent control method and system for an integrated cupboard and the cupboard, and the method comprises the steps: dividing the integrated cupboard into a plurality of control nodes, collecting environment and behavior variables, such as temperature and humidity, oxygen concentration, carbon dioxide concentration, pressure difference, door opening and closing frequency, airflow direction and the like, and forming a state vector; inputting the state vector into a risk assessment model, calculating a risk rate and a quantile index thereof, and obtaining a risk trend in combination with baseline deviation and sliding statistics; based on the risk rate, the quantile and the slope condition, threshold judgment is carried out, and an atmosphere micro-pulse budget containing the number of times, the dose upper limit and the interval is generated; and executing atmosphere micro-pulse adjustment, including carbon dioxide injection, oxygen dilution and humidity linkage, under the condition that the safety constraint condition is met. According to the method and the system, intelligent mildew-proof and insect-proof control of the dry warehouse in the integrated cabinet can be realized while energy consumption is reduced, and the method and the system have the advantages of high adaptability, high safety and good robustness.

The invention relates to a mildew-proof and moth-proof bamboo chip and a treatment process thereof, and belongs to the technical field of bamboo chip preparation, and specifically, the treatment process comprises the following steps: washing and soaking a bamboo chip, treating the bamboo chip in an environment of 120-140 DEG C and 75-85 RH%, spraying a NaOH solution, then carrying out first heat treatment, dipping the treated bamboo chip with a compound enzyme solution, adjusting the pH value of the system to 4.5-5.0, and carrying out second heat treatment on the bamboo chip; adding a chelating agent, reducing the temperature of the system to 45-50 DEG C, adding an inorganic mildew removing agent, and treating for 1-2 hours; heating the bamboo chips to 160-180 DEG C, and treating the bamboo chips for 2-2.5 hours; and drying and shaping treatment: drying the bamboo chips at 40-50 DEG C, and carrying out hot pressing and shaping to obtain the mildew-proof and mothproof bamboo chips. According to the process, through optimization design and combination of physical, chemical and biochemical treatment means, the living environment of insects and fungi is fundamentally destroyed, the nutrition source of the insects and fungi is blocked, and the long-acting and environment-friendly mildew-proof and mothproof effects are achieved.

The multifunctional partitioned temperature control medical storage cabinet comprises a multifunctional medical temperature control cabinet, and a drying mechanism and a heat dissipation auxiliary mechanism are arranged in the multifunctional medical temperature control cabinet; according to the multifunctional partitioned temperature control medical storage cabinet, by arranging the drying mechanism, the heat dissipation auxiliary mechanism and the cleaning mechanism, the multiple improvement effect on the environment in the cabinet is achieved, firstly, a motor drives a lead screw to drive a support to move, a cleaning wiping plate can be periodically attached to the back face of the partitioned storage cabinet, condensate water formed due to temperature difference is cleaned and scraped, and the cleaning effect is improved; according to the drying device, local moisture accumulation caused by long-term adhesion of water drops is avoided, the mildew risk is reduced from the source, meanwhile, condensate water is extruded to flow into the water storage tank and is discharged through the drainage pipe, the internal humidity control capacity is further improved, and then the drying box is heated by the heating plate, so that drying agent particles continuously keep active; and the transmission plate drives the transmission ring and the transmission blades to rotate to stir the drying agent particles, so that moisture absorption is more uniform and efficient.

The invention discloses an intelligent monitoring and early warning warehouse for tea storage, and relates to the technical field of agricultural product storage monitoring and intelligent early warning. An acoustic respiration sensing array, a quantum dot gas mapping film and optical excitation imaging, long-wave infrared polarization insect trace detection, and an edge calculation and actuator cluster are integrated in the warehouse body; a limited scanning sector is triggered by acoustics first sense, a VOC / ammonia concentration heat map and a polarization disturbance heat map are obtained, graded early warning is output through time-space fusion consistency scoring, and low-energy-consumption zoning intervention is achieved through model prediction control cooperation dehumidification, air supply, cold plasma and a zoning air door. In cooperation with reference self-correction, channel health detection and fault-tolerant synchronization, a monitoring-decision-regulation-re-monitoring closed loop is formed, and mildew / insect pest early warning and traceable management are achieved under the condition that packaging is not damaged.

The invention relates to an antibacterial and mildew-proof wood-bamboo scrimber and a preparation method thereof. According to the preparation method, the pretreated wood-bamboo veneer is defibered through sodium hydroxide and hydrogen peroxide, so that part of starch and carbohydrates can be removed, and mildew is reduced. The prepared inorganic-organic antibacterial and mildewproof composite additive not only realizes a synergistic antibacterial and mildewproof effect and reduces the usage amount, but also realizes broad-spectrum antibacterial effect on bacteria and fungi. The prepared fibrillated wood-bamboo veneer is subjected to alkali / thiourea low-temperature treatment, cellulose can be promoted to be dissolved and regenerated under the action of acid, cellulose fibrils are formed on the surfaces of fibers, the specific surface area is increased, meanwhile, stable coating of the inorganic-organic antibacterial mildew-proof composite additive is improved, and in the pressurizing and forming process, the specific surface area is increased. And antibacterial and mildew-proof effective components are prevented from being lost, and a lasting effect is achieved. The antibacterial and mildew-proof wood-bamboo scrimber prepared by the preparation method disclosed by the invention not only is good in mechanical property, but also has outstanding and long-term antibacterial and mildew-proof properties.

The invention relates to the technical field of vegetable preservation, and discloses a broccoli intelligent storage and preservation environment control system, which comprises an intelligent management system, and is characterized in that the intelligent management system comprises a storage environment control module, an online multi-mode quality detection module, an analysis feedback module, an intelligent decision execution unit and an early warning reminding module; the online multi-mode quality detection module, the analysis feedback module, the intelligent decision execution unit and the execution mechanism are integrated to construct a set of complete fresh-keeping feedback control ring, and meanwhile, key indexes such as mildew, water loss rate, color, ethylene concentration and the like can be subjected to automatic online full detection; differentiated fresh-keeping measures such as precise humidity and temperature adjustment, modified atmosphere packaging and isolation treatment are automatically triggered based on the judgment result, the conventional extensive management mode depending on manual spot check and passive response is changed, problems can be found in real time and actively intervened in the storage process, loss is reduced, and the shelf life is prolonged.

The invention relates to the field of insoles, and particularly discloses a macromolecular mildew-proof antibacterial micro-foaming breathable shoe material and a preparation method thereof.The shoe material comprises a foaming macromolecular matrix, and the foaming macromolecular matrix is mixed with an antibacterial plant extract, a mildew inhibitor, a functional additive and a volatile aromatic component; the antibacterial plant extract comprises at least one of mugwort plant extract and wula sedge extract, the mildew preventive is cinnamyl aldehyde, the functional additive comprises at least one of nano TiO2, chitosan, tea polyphenol, zinc oxide or graphene oxide, and the volatile aromatic component is volatile natural essential oil or perfume component. And the foaming polymer matrix is a bio-based polymer material. According to the invention, sustainable bio-based manufacturing and multifunctional integration can be taken into consideration, and efficient, simple, convenient and high-quality micro-foaming breathable shoe material preparation is realized.

The invention relates to the field of packaging bags, in particular to a mildewproof and bacteriostatic composite packaging bag and a preparation method thereof, and aims to solve the problem that an existing packaging bag is lack of effective inhibition capability on breeding and reproduction of bacteria and molds. According to the composite packaging bag, the polypropylene resin serves as the main raw material, so that the composite packaging bag has high mechanical performance, the packaging requirements of different products can be met, reliable physical protection is provided for the products, and the products are prevented from being subjected to external physical damage and leakage; the fluorine-containing bis-imidazolium ionic compound and the modified nano-copper oxide are added into the composite packaging bag, growth of various common bacteria and molds can be effectively inhibited and killed under the synergistic effect of the fluorine-containing bis-imidazolium ionic compound and the modified nano-copper oxide, commodities in the packaging bag can be prevented from being damaged by microorganisms, the quality and the use value of the commodities are guaranteed, the shelf life of the commodities is prolonged, and moreover, the product quality is improved. The preparation method has the advantages of simple operation, easy industrial production, low cost and good market application prospect.

The invention discloses an intelligent quintuplet cooperative plasma self-purification robot long-term storage system and a self-adaptive disinfection control method. According to the system, cold plasma, ozone, chlorine dioxide, self-generated nitric oxide and a charge self-purification jump effect are fused, and a dynamic self-purification system with an electric field-gas field-chemical field-intelligent field-thermal field five-dimensional synergistic energy field is constructed. The robot adopts a three-section structural layout and a multi-mode self-adaptive propulsion mechanism, environmental parameters are sensed through AI, discharge power and oxidant release are intelligently regulated and controlled, and precise sterilization, toxicity reduction and mildew prevention in a multi-medium environment are achieved. The system can generate various high-energy active species containing. OH, O, NO, ClO, ONOO and the like, chain splitting decomposition and oxidation mineralization are carried out on mold spores, bacterial cells, aflatoxin and the like, the sterilization rate reaches 99.995%, and the toxin degradation rate exceeds 98%. The system has the characteristics of no residue, low energy consumption, long-acting self-maintenance and the like, is suitable for multiple scenes of grain storage, traditional Chinese medicinal materials, cold chains, farmland, public health and the like, and realizes an intelligent, continuous and chemical-additive-free green storage and dynamic purification system.

The invention discloses a Trichoderma reesei strain and an application of the Trichoderma reesei strain in degradation of mycotoxin and inhibition of toxin-producing bacteria. The Trichoderma reesei strain is a Trichoderma reesei strain GG-T40, and the preservation number is CCTCC (China Center for Type Culture Collection) NO: M20231843. The strain can synchronously and efficiently degrade eight kinds of mycotoxins such as AFB1, ZEN, T-2, ST, OTA, AOH, AME and TeA, and after the strain and the mycotoxins are co-cultured for 7 days, the removal rates of the eight kinds of toxins are all larger than or equal to 60%. The strain has strong bacteriostasis and toxin production inhibition effects, the toxin production inhibition rates of the strain to aspergillus flavus and fusarium graminearum are 62.5% and 74.4% respectively, and the strain can be applied to degradation of mycotoxin in agricultural products and food and inhibition of mildew and toxin production of the agricultural products and food.

According to the preparation method of the nano microcapsule with the mildew-proof function, provided by the invention, the embedding rate, the drug loading rate and the yield of the microcapsule are effectively improved by adjusting the concentration of a water phase of chitosan, the concentration of a PCL polymer and the ratio of the mildew-proof agent to the PCL; the microcapsule disclosed by the invention has excellent mildew-proof performance, and can be used as a functional additive to be added into an industrial coating, so that a coating is endowed with long-acting mildew-proof capability; the anti-mildew agent can also be widely applied to anti-mildew protection in the fields of wood, leather and textile fabrics, and has huge application potential.

The invention discloses an organic mildew preventive for a light degradation resistant water-based paint as well as a preparation method and application of the organic mildew preventive, and the organic mildew preventive comprises the following raw material components in parts by weight: 0.10-2.00 parts of an isothiazolinone organic mildew preventive, 0.50-5.00 parts of a triazole organic mildew preventive, 3.00-10.00 parts of isopropanol, 3.00-10.00 parts of vegetable oleic acid and 0.10-1.20 parts of a rare earth light stabilizer. According to the invention, through specific types and proportions of the rare earth light stabilizer and the organic light stabilizer, a synergistic effect between the rare earth light stabilizer and the organic light stabilizer is realized, functional complementation is promoted, a multiple stabilization mechanism is initiated, and the rare earth light stabilizer and the organic light stabilizer have the advantages of high stability, low cost and high efficiency. The light stability of the organic mildew preventive in an outdoor environment is obviously enhanced.

The invention relates to the technical field of tobacco processing equipment sealing, and discloses a tobacco leaf baking room sealing method which comprises the steps of adjusting the working time period and strength of a moisture removal fan based on a comparison result of a humidity sensor detection result and a preset threshold value, and monitoring the temperature in a baking room in real time according to data of a temperature sensor. The temperature rise speed is dynamically adjusted to ensure uniform temperature distribution, and the carbon dioxide concentration is fed back by a carbon dioxide concentration sensor and is automatically controlled to adjust the carbon dioxide concentration to optimize fermentation conditions. According to the tobacco leaf baking room sealing method, the problem that local temperature difference is too large can be solved, tobacco leaves can be heated more evenly in the baking process, then it is guaranteed that the color of the tobacco leaves is uniform and consistent, the appearance quality of the tobacco leaves is improved, moisture in the tobacco leaves can be fully removed, the mildew risk is reduced, and the storage safety and quality stability of the tobacco leaves are guaranteed; the loss caused by mildewing is reduced.

The invention provides a montmorillonite-based nano-composite antibacterial mildew-removing agent and a preparation and application method thereof, the preparation method comprises the following steps: crushing bentonite raw ore, grinding and removing impurities to obtain montmorillonite ore powder; the preparation method comprises the following steps: proportioning montmorillonite mineral powder, zinc salt and water in parts by mass, and performing inorganic modification to obtain a montmorillonite-based antibacterial agent filter cake; and proportioning the montmorillonite-based antibacterial agent filter cake, an organic modifier and water in parts by mass, and performing organic modification to obtain the montmorillonite-based composite antibacterial mildew removal agent. The preparation method is simple in process, rich in raw material reserves and easy for large-scale production; the montmorillonite-based nano-composite antibacterial mildew-removing agent prepared by the invention not only can obviously inhibit gram-negative bacteria and gram-positive bacteria, but also can synergistically adsorb different types of mycotoxins, at the same time is beneficial to protection of gastrointestinal mucosa of livestock, and the dependence of animals on hormone drugs such as antibiotics is solved.

The utility model relates to the field of termite control, in particular to a reservoir dam termite control monitoring trapping and killing device which comprises a bait barrel, a barrel cover and an arc-shaped baffle, a barrel disc is arranged at the top of the bait barrel, the barrel cover is used for covering the barrel disc, the top end of the baffle is detachably connected with the barrel disc, and the bottom end of the baffle is detachably connected with the bait barrel. A plurality of through holes are formed in the side wall of the bait barrel, the circumferential length of the baffle is larger than or equal to half of the circumferential length of the bait barrel, the baffle is used for being installed on the bait barrel to shield the through holes, and a plurality of protrusions used for supporting the baffle are arranged on the area, shielded by the baffle, of the outer wall of the bait barrel. And when the bait barrel is embedded into the dam, the side provided with the baffle faces the dam top of the dam. The termite trapping and killing device can solve the problems that when an existing termite trapping and killing device is used on a reservoir dam, bait is scoured by runoff in the dam, water is accumulated in the bait barrel, the bait is mildewed, chemical components in the bait seep out, water is polluted, the ecological environment is destroyed, and non-target organisms are damaged.

The invention relates to the technical field of building materials, and discloses a preparation method of a functional additive of antibacterial and mildew-proof dry-mixed putty mortar, which comprises the following steps: dispersing an inorganic porous carrier in water, and adding a plant polyphenol solution for adsorption loading; then adding soluble silicate, adjusting the pH value of the system to be acidic or weakly acidic, and carrying out in-situ gelation reaction to form a silica gel blocking layer on the surface of the carrier; and adding a metal salt solution to carry out heating coordination reaction, and carrying out solid-liquid separation, washing, drying and crushing to obtain a finished product. Intelligent slow release and oxygen isolation protection of active components are achieved by constructing a pH response type silica gel layer and a metal-polyphenol coordination network, the additive effectively solves the problems of serious delayed coagulation and oxidation discoloration caused by plant polyphenol in an alkaline putty system, an active silicon source generated by dissolution of the silica gel layer can be subjected to a pozzolanic reaction, and the pH response type silica gel layer and the metal-polyphenol coordination network can be used for preparing the alkaline putty. The bonding strength of the putty layer is obviously improved.

The invention discloses a novel leuconostoc screening method and an antibacterial mechanism of leuconostoc on leaf mold of zanthoxylum bungeanum, and relates to the technical field of pathogenic bacteria experiment and analysis. The novel leuconostoc screening method comprises the following steps that S1, materials are prepared, specifically, rotten Chinese prickly ash tree plants are selected, and tested strains in the Chinese prickly ash tree plants comprise plant pathogens of alternaria alternata, fusarium solani, fusarium layered, fusarium oxysporum, fusarium syphilis and colletotrichum pini, and are stored in a refrigerator of a laboratory at the temperature of 4 DEG C for standby application; in the invention, the leuconostoc also has an efficient inhibition effect on field crop pathogenic fungus alternaria alternata, and the research expands the biocontrol spectrum of lactic acid bacteria. Meanwhile, the invention discloses a molecular mechanism that the Leuconostoc suionicum HJ-L synergistically regulates and controls the synthesis of antibacterial substances through lipid metabolism, an ABC transport system and an autophagy pathway, and a theoretical basis and a practical basis are provided for the application of the strain in green prevention and control of the leaf mold of Chinese prickly ash.