1261 results about "Disinfectant" patented technology

The invention provides an electrochemical active oxygen supply device for a washing machine and a preparation method. The device comprises a shell, a single closed reaction chamber is formed in the shell, a bifunctional anode electrode and a bifunctional cathode electrode are integrated in the reaction chamber, and a compact and uniform reaction area is formed between the anode electrode and the cathode electrode. When water flows through the reaction area, hydrogen peroxide (H2O2) and / or hydroxyl radicals (OH) are / is electrochemically generated on the surface in situ by accurately adjusting the electrode potential of the difunctional anode, so that instant generation and instant utilization of active oxygen are realized. The active oxygen directly enters a washing system of the washing machine along with water flow, bacteria, viruses and fungi can be efficiently inactivated under the normal-temperature or low-temperature washing condition without additionally adding chemical disinfectants, organic stains and peculiar smell molecules are synchronously degraded, and green, efficient and intelligent healthy washing is achieved.

The invention discloses a sewage treatment equipment monitoring system and method based on the Internet of Things, and belongs to the technical field of sewage treatment equipment monitoring, the system is used for monitoring the disinfection process of sewage treatment in real time, and the system specifically comprises an ultraviolet disinfection module used for monitoring the disinfection process of ultraviolet in real time; the thermal disinfection module is used for monitoring and controlling the temperature in a disinfection area in real time; the evaluation and prediction module predicts the residual microbial biomass through a model based on the disinfection effects of the ultraviolet disinfection module and the thermal disinfection module; the disinfectant adding module is used for dynamically adjusting the adding amount of the disinfectant according to the result of the disinfection prediction module; and the disinfectant residual quantity module predicts the residual quantity of the residual disinfectant in the sewage after the disinfectant is added according to the adding quantity of the disinfectant.

The invention discloses a quaternary ammonium salt modified linalool derivative as well as preparation and application thereof. The structure of the quaternary ammonium salt modified linalool derivative is shown as a formula (I). The quaternary ammonium salt modified linalool derivative is prepared by carrying out nucleophilic substitution reaction on linalool and benzyltrimethylammonium chloride. The derivative can be applied to water-based disinfectants or antibacterial daily necessities. The derivative has good water solubility and bactericidal activity. Through the synergistic interaction of the quaternary ammonium salt group and the linalool mother nucleus, the disinfection and sterilization capacity of the linalool derivative is remarkably improved compared with that of independent quaternary ammonium salt or linalool, and the linalool derivative particularly has a better disinfection and killing effect on pathogens of a quaternary ammonium salt-resistant disinfectant. # imgabs0 #

Provided is a stabilized aqueous hydrogen peroxide composition comprising a sugar alcohol that does not contain silver, organophosphonate, peroxyacetic acid or other peracid, or stannate. The composition optionally includes a carboxylic acid. The composition is suitable as a disinfectant and oxidizer, and for the treatment, inhibition, or eradication of fungi or nematodes. Also provided is a method for reversing a bacterial or fungal infection in an infected plant, and a method for enhancing plant growth and / or productivity. Also provided is a method for inhibiting or preventing fungal spore germination in soil in a fungal infested area. Also provide is a method of controlling or preventing nematode infestation of a plant, and a method of reversing damage of a plant caused by nematode infestation. Also provided is a method for treating or reversing Panama disease in an infected banana plant.

The invention belongs to the technical field of microorganisms, and discloses a high-temperature-resistant vibrio alginolyticus bacteriophage and a composition and application thereof, the high-temperature-resistant vibrio alginolyticus bacteriophage is named as vibrio alginolyticus bacteriophage PJ644 and is preserved in China General Microbiological Culture Collection Center on August 16, 2024, the preservation address is No.3, No.1 Yard, Beichen West Road, Chaoyang District, Beijing, and the preservation number is CGMCC NO.9624. The preservation number of the strain is CGMCC (China General Microbiological Culture Collection Center) No. The bacteriophage has excellent high temperature resistance, and the bacteriophage and the bacteriophage composition not only can effectively prevent and treat various vibrio infections, but also can be used as active ingredients for preparing bacteriophage pharmaceutical preparations, aquatic feed additives, water disinfectants and aquatic product preservatives, and are used for effectively preventing and treating diseases caused by vibrio infections in aquaculture farms. The use is safe, and the problems of antibiotic residues and pathogen drug resistance caused by use of antibiotics are effectively avoided.

The invention provides a compound disinfectant for preventing and treating aquaculture virus diseases and a preparation method thereof. The composite disinfectant is prepared by introducing polyhexamethylene guanidine or a salt thereof, a quaternary ammonium salt compound, metal nanoparticles and an auxiliary agent into a water system as main raw materials, and is prepared by the following steps: adding a quaternary ammonium salt compound solution and a penetrating agent into a polyhexamethylene guanidine or salt solution thereof, and uniformly stirring and mixing to obtain a mixed solution A; slowly dropwise adding the metal nanoparticle dispersion liquid into the mixed solution A, starting ultrasonic treatment at the same time, and uniformly stirring and mixing to obtain a mixed solution B; dropwise adding the pH regulator solution into the mixed solution B, regulating the pH, adding the preservative solution, supplementing water, uniformly mixing, standing and curing to obtain the composite disinfectant. The compound disinfectant aims at achieving synergistic interaction, finally achieves the comprehensive prevention and treatment effects of being efficient, low in toxicity, broad in spectrum and not prone to inducing drug resistance, and particularly achieves efficient and safe prevention and control on fish, shrimp and crab virus diseases so as to meet the urgent requirement for healthy aquaculture.

The present invention discloses a multi-energy field coupled fully automatic six-sided disinfection device for the cold chain cargo transportation process, the device includes a frame, a roller transmission mechanism, a strong cyclone atomization multi-nozzle integrated spray system, an ultraviolet catalytic coupled disinfection component, a cyclone airflow internal circulation system, a waste liquid filtration and recovery device, a protective curtain, and an external liquid storage tank; its multi-energy field coupling is a comprehensive integration of three disinfection methods: chemical, ultraviolet and photocatalytic, to achieve disinfection and inactivation of microorganisms, etc.; the ultraviolet light and photocatalysis of the ultraviolet catalytic coupled disinfection component enhance the disinfection ability of chemical disinfectant solution at low temperature, and at the same time, ultraviolet light and photocatalysis themselves have disinfection ability. They are superimposed with chemical spray disinfection, ultraviolet disinfection and photocatalytic disinfection, effectively reducing the use of chemical disinfectant solution, and achieving efficient, dead angle-free, green and low-cost disinfection.

The invention discloses a qualitative and quantitative analysis method for autonomously identifying halogenated organic matters in a non-targeted manner, and belongs to the technical field of environmental analytical chemistry and water quality monitoring. The qualitative and quantitative analysis method of the halogenated organic matter comprises the following steps: adding an oxidizing agent or a disinfectant into an original water sample for complete oxidation or disinfection to obtain a water sample to be detected; detecting the water sample to be detected by using ultra-high performance liquid chromatography (UPLC)-Orbitrap mass spectrometry (MS), and detecting the original water sample which is not oxidized or disinfected at the same time to obtain two groups of liquid mass data; performing automatic data processing and contrastive analysis on the two groups of liquid quality data by using Compressed Discovery software, and identifying to obtain a newly generated halogenated organic matter; and establishing a calibration curve by using a total ion chromatogram and an external standard method, and carrying out quantitative analysis on the identified halogenated organic matter. According to the method, the purposes of efficient screening and accurate quantification of the non-targeted halogenated organic matter in the complex water body matrix are achieved, accurate quantification is conducted in combination with an external standard method, and rapid data analysis and result output are achieved.

The invention discloses an intelligent cross infection prevention disinfection closestool, and relates to the field of disinfection closestools. The toilet seat is arranged on the base; the water tank is arranged on the base; the electrolysis module is arranged in the water tank and used for electrolyzing tap water to obtain disinfectant fluid; the toilet seat ring is sleeved with the seat ring sleeve; the automatic sleeve replacing device is arranged on the base and used for pulling one end of the seat sleeve to move in the circumferential direction of the toilet seat; the wetting device is arranged on the base and used for spraying disinfectant fluid to the seat ring sleeve; and the control module is arranged on the base and is used for controlling the electrolysis module, the automatic sleeve changing device and the wetting device to start / stop. According to the application, the situation that a disinfectant needs to be frequently added externally is avoided, the effect of automatically disinfecting the environment in the base and the toilet seat at the same time is achieved, the risks of contact propagation and aerosol propagation caused by the toilet are integrally solved, the probability of pathogenic microorganism residues and diffusion is reduced, and cross infection is avoided.

The invention discloses a preparation process of a pure plant essential oil disinfectant, and relates to the technical field of disinfectants. The problems that plant essential oil is poor in solubility in a water phase, low in stability and the like are solved. The method specifically comprises the following steps: preparing raw materials; preparing a nano emulsion; preparing a solvent and mixing; constructing a natural stable system to obtain a primary product; filtering and sterilizing; and carrying out sterile filling on the disinfectant finished product. The invention provides a pure plant essential oil disinfectant prepared by dissolving type 1 and 8 melaleuca alternifolia essential oil in water, efficient dispersion is realized through a nano-emulsification and natural stabilization technology so as to form a stable aqueous solution, an amphiphilic structure of soapbark saponin is utilized, aglycone and essential oil terpene form a supramolecular compound, and the stable aqueous solution can be used for sterilizing the melaleuca alternifolia essential oil and the melaleuca alternifolia essential oil and the melaleuca alternifolia essential oil. The technical problems of poor dissolvability and low stability of plant essential oil in a water phase are solved, and the plant essential oil has broad-spectrum antibacterial and antiviral characteristics and can meet the disinfection requirements in multiple fields such as medical treatment, object surface treatment, home furnishing and personal care.

The invention discloses a surgical instrument pre-cleaning and disinfecting system and treatment equipment for a daytime operating room, relates to the technical field of cleaning and disinfecting systems, and aims to solve the technical problems that an existing cleaning and disinfecting system is prone to liquid medicine waste and incomplete disinfection. The rack is used for placing surgical instruments to be cleaned and disinfected and executing a cleaning and disinfecting process; the multi-dimensional residue detection module is used for detecting chlorine-containing disinfectant residue and bacterial residue on the surface of the surgical instrument; the control module is in communication connection with the cleaning and disinfection module and the multi-dimensional residue detection module and is used for calculating the consumption of the chlorine-containing disinfectant and judging the bacterial residue state; and the intelligent prediction module is in communication connection with the control module, is internally provided with a nonlinear relation model formed through historical data training, and is used for predicting the addition amount of the chlorine-containing disinfectant required by secondary backwashing disinfection according to the bacterial residue. The device has the advantages of reducing waste of liquid medicine in the cleaning and disinfection process and improving the disinfection effect.

Despite the existence and deployment of a range of antimicrobial / disinfectant / sterilization technologies and products, transmission of infectious diseases remains a significant problem worldwide, continuing to cause hundreds of millions of infections and millions of deaths every year of both human beings and animals. State-of-the-art technologies suffer from several disadvantages including being discrete in space and time, being overly dependent on human skill and discipline, and in some cases having harmful side-effects to human health. This invention proposes a series of industrial grade antimicrobial product designs, and materials and methods to make them highly effective products that offer continuous antimicrobial action, with minimum dependence on human discipline and skill once deployed, and with no harmful side-effects.

The invention discloses a waterworks disinfection process optimization method and system, and the method comprises the steps: carrying out the polynomial fitting of collected unit consumption data of post-chlorination, and obtaining a frequency domain input through Laplace transformation; respectively inputting the input quantity into a pre-constructed library entering residual chlorine attenuation linear time-invariant system (LTI) and a factory leaving water residual chlorine attenuation LTI system to obtain residual chlorine response of the Laplace domain; and outputting a predicted reservoir entering residual chlorine value and a predicted factory leaving water residual chlorine value in a time domain through inverse Laplacian transformation, and dynamically adjusting a post-chlorination dosing strategy according to the predicted reservoir entering residual chlorine value and the predicted factory leaving water residual chlorine value. According to the method, data-driven modeling and frequency-domain system analysis are combined for the first time, the technical bottleneck of residual chlorine attenuation quantitative prediction in the internal process links of a water plant is broken through, precise closed-loop control over disinfectant adding is achieved, the operation cost is remarkably reduced while water quality safety (microbial reproduction and disinfection by-product generation are inhibited) is guaranteed, and the method is suitable for large-scale popularization and application. And core technical support is provided for intelligent water plant construction.

The invention belongs to the technical field of data processing, and relates to a disinfectant verification method based on Jerlin codes. The invention aims to solve the problem of biological potential safety hazards that the identity and the state are separated in the anti-counterfeiting verification of the existing disinfectant, and the titer of the liquid medicine falls off the threshold value due to environmental factors cannot be identified. The method comprises the following steps: in response to a code scanning operation, analyzing a Jerlin code to obtain a factory fingerprint, and splicing cloud logistics and terminal storage data to form a full-link environment monitoring sequence; calculating an environment pressure acceleration coefficient of each time slice by using a nonlinear kinetic model, and evaluating the damage degree of the environment to chemical properties; calculating accumulated chemical loss and residual titer based on the coefficient; and comparing the residual titer with a threshold value, and if the residual titer reaches the standard, generating a dynamic hash token containing titer information for cloud verification. According to the invention, deep combination of physical efficacy and digital verification is realized, and the use safety and reliability of the disinfectant are greatly improved under the condition that an expensive sensor is not needed.

The present invention relates to the technical field of water treatment, and provides a system for water quality purification for factory farming of penaeus vannamei, which comprises a treatment tank (100), a bearing platform (200) and a cultivation tank (400), wherein the treatment tank (100) is fixed onto the bearing platform (200), and the cultivation tank (400) is fixed onto the bearing platform (200); a separation plate (101) is fixed in the treatment tank (100), a first water through hole (102) is formed in the separation plate (101), and the separation plate (101) divides the treatment tank (100) into an overflow area (103) and a purification and oxygen enrichment area (104), the purification and oxygen enrichment area (104) being in communication with a pipeline at the bottom of the cultivation tank (400); and a flow-dividing assembly (110) is fixed in the overflow area (103), a desilting assembly (120) is fixed to the bottom of the overflow area (103), a filter assembly (130) is fixed in the purification and oxygen enrichment area (104), the filter assembly (130) comprises a filter box (131), and a disinfection box (150) is fixed onto a side wall of the treatment tank (100). Thus, disinfectant and water can be fully mixed, improving the disinfection and purification effect, and in turn the stress on the penaeus vannamei is reduced, thereby reducing the death rate thereof.

The invention discloses an ecological cultivation method for preventing pepper phytophthora blight, which comprises the following steps: step 1, soaking pepper seeds in warm water at 40-50 DEG C for 10-30 minutes, soaking for a short time to achieve the effect of softening seed coats, soaking the pepper seeds in normal-temperature water at 20-25 DEG C for 4-8 hours after soaking in warm water to ensure that the seeds absorb sufficient water, and then soaking the pepper seeds in the warm water for 10-30 minutes; soaking the chilli seeds after absorbing water in a disinfectant, thoroughly washing the seeds with clear water for 2-3 times after soaking and disinfection, and taking out the residual disinfectant; according to the ecological cultivation method for preventing pepper phytophthora blight, the disease resistance is remarkably improved through seed multi-stage treatment (gradient water temperature soaking, composite disinfection and three-bacterium coating), and the pathogen infection risk is reduced by combining seedling culture substrate bacteriostasis and a degradable non-woven fabric root protection technology; the comprehensive income is improved through application of the degradable material and basil intercropping, and finally the occurrence rate of pepper phytophthora blight is reduced.

The invention relates to the technical field of traditional Chinese medicine ointment, in particular to scalp ointment which is prepared from pilose antler, red kudzuvine root, dandelion, cistanche, cypress, glossy privet fruit, lucid ganoderma, gastrodia elata, sargentgloryvine stem, poria with hostwood, black sesame, mole cricket, garlic, pseudo-ginseng powder, raw ginseng powder, camel milk powder, almond powder, deer blood powder, fetus cervi powder, glycerin, disinfectant fluid and the like. The invention has the advantages that the pilose antler, cistanche and the like can relieve dizziness and headache in the aspect of improving blood circulation; in the aspect of regulating body functions, the radix puerariae and the combination of various medicinal materials can regulate qi and blood, soothe nerves and restore consciousness, and help a user get rid of fatigue; the dandelion, the lucid ganoderma, the gastrodia elata and the like can relieve the heavy feeling of the body and improve the sleep quality in the effects of eliminating dampness and soothing the nerves; cistanche deserticola, morinda officinalis and the like can regulate kidney deficiency and enhance waist strength. After long-term use, immunity can be enhanced, pathogenic bacteria can be resisted, the disease probability can be reduced, the life quality can be improved, and an effective nursing scheme is provided for head and whole body health.

The invention relates to the technical field of ship ballast water treatment, and particularly discloses a ship ballast water advanced treatment device and method.The ship ballast water advanced treatment device comprises a base, supporting legs are fixedly installed at the four corners of the top of the base, and a treatment tank is fixedly installed at the tops of the supporting legs. A set of complete and efficient ballast water treatment flow is constructed, large-particle impurities are effectively intercepted by the filtering mechanism, and the burden of subsequent treatment is relieved; the stirring mechanism realizes full mixing of the disinfectant and the ballast water, so that the disinfection effect is improved; and finally, the treated ballast water flows into a purifier and is sequentially purified layer by layer through an activated carbon filter element, an ultrafiltration membrane filter element, a nanofiltration membrane filter element and a reverse osmosis membrane filter element, tiny impurities, bacteria, viruses and various pollutants in the water are further removed, and the treatment quality of the ballast water is improved in the whole process.

The invention relates to a new endolysin and to its use for its anti-staphylococcal activity, in particular anti-staphylococcal activity against strains resistant to an antibiotic and / or to a phage, in particular anti-S. aureus and / or anti-S. pseudintermedius. It can therefore be used in a disinfectant or anti-biofilm solution, in food safety, in cosmetics or in therapies, for example in the treatment of pathologies caused by Staphylococcus such as skin pathologies in humans and domestic animals.

The invention discloses a biological material disinfection method, system and equipment based on big data analysis, and relates to the technical field of disinfection. The method comprises the following steps: determining a target disinfectant; the method comprises the following steps: performing Micro-CT scanning on a biological material to construct a 3D digital model; physical attribute information of a target disinfectant and an interaction relation between the target disinfectant and the biological material are read, spatial-temporal dynamic distribution of flowing, diffusion and permeation of the target disinfectant in pore channels in the material is simulated on the basis of the 3D digital model, and flow field and concentration field optimization is carried out on internal disinfection blind areas through pulse type pressure circulation; and generating a target disinfection parameter to perform disinfection control on the biological material. The technical problems that in the prior art, disinfection is not thorough and the material structure is damaged due to insufficient adaptability of a disinfectant and a biological material are solved, and the technical effects that the adaptability between the disinfectant and the biological material is achieved, pore channels in the material are fully disinfected, and meanwhile the damage risk of the material is effectively reduced are achieved.

The invention discloses pyridone endoperoxide with antibacterial and antiviral activity and application thereof, and belongs to the fields of organic compound synthesis and medical technology, food engineering and the like. The invention proves that the series of endoperoxides can effectively kill pathogenic bacteria, fungi and viruses, including propionibacterium acnes, escherichia coli, staphylococcus aureus, candida albicans, human papilloma viruses, herpes simplex viruses and the like. The internal peroxide designed by the invention has the capability of treating skin diseases, is expected to be developed into a first-line medicine for treating skin diseases caused by pathogen invasion, and mainly relates to bacterial skin diseases, fungal skin diseases and viral skin diseases caused by pathogen infection. Meanwhile, the series of endoperoxides can be used for treating oral infection, periodontitis, infection of shoulder and other joint operations, and bacterial infection such as pressure sores. In addition, the peroxides in the series can also be used in the fields of food preservation, disinfectant preparation and the like.

A method of disinfection of an object, the method including securing an infected object to a moveable carrousel within a chamber; exposing the infected object to a disinfection cycle, the disinfection cycle comprising: exposing the infected object to an atomized liquid disinfectant fog comprising a disinfectant; exposing the infected object to ultraviolet illumination from an ultraviolet illumination source before, during, after, or any thereof exposing the object to the atomized liquid disinfectant fog to disinfect the object; during the disinfection cycle changing an orientation of the infected object with respect to the atomized liquid disinfectant fog and the ultraviolet illumination source; and removing the object from the chamber.

The invention discloses disinfection and filtration integrated equipment for mineral water production, and relates to the technical field of water treatment. The device comprises a box body assembly and a disinfection, adsorption and water filtration assembly, the box body assembly comprises a box body part, a floating part arranged in the box body part in a sliding mode and a filter screen arranged in the box body part in an inserted and matched mode, and the disinfection, adsorption and water filtration assembly comprises a treatment part installed in the box body part, two blocking parts arranged in the box body part in a sliding mode and a rotating part arranged in the treatment part in a rotating mode. The technical problems that a disinfectant and water are not fully mixed, the disinfectant is easy to deposit, the disinfection effect is unstable, and especially when the water flow speed changes, the effective contact time of the disinfectant and the water is short are solved, the floating piece automatically drives the blocking plate to move along with the water level rising and falling, the opening and closing state of the water flow channel is controlled, and the disinfection effect is stable. The linkage of the L-shaped rack and the rotating piece is combined, so that the contact time of the disinfectant and the water body is obviously prolonged, and the disinfection and adsorption effects are enhanced.

The invention belongs to the technical field of microorganisms, and discloses a riemerella anatipestifer bacteriophage PT56, a bacteriophage composition thereof and application of the riemerella anatipestifer bacteriophage PT56, the collection number of the riemerella anatipestifer bacteriophage PT56 is CGMCCNO.46492, and the riemerella anatipestifer bacteriophage PT56 is collected in China General Microbiological Culture Collection Center on May 26, 2025, and the collection number is CGMCCNO.46492. The preservation address is No.3, Yard 1, Beichen West Road, Chaoyang District, Beijing. The riemerella anatipestifer bacteriophage PT56 has broad-spectrum bactericidal ability on riemerella anatipestifer of different serotypes, has certain temperature stability and acid-base stability, and can be used as an active ingredient for preparing drugs, disinfectants, kits and the like for preventing and treating riemerella anatipestifer diseases. The riemerella anatipestifer disinfection solution is widely applied to poultry diseases caused by riemerella anatipestifer and disinfection and sterilization of each link in the product production and processing process, is safe to use, and effectively reduces the incidence rate and the death rate of riemerella anatipestifer diseases such as poultry infectious serositis and the like.

A device for connection to a medical connector includes an outer cap, an inner cap, and a peelable seal. The outer cap is configured to define a chamber for receiving absorbent material and a disinfectant or antimicrobial agent. The outer cap includes one or more threads adapted for engagement with a female Luer connector. The inner cap includes one or more threaded tabs adapted for engagement with a male Luer connector. The peelable seal prevents the disinfectant or antimicrobial agent from leaving the chamber.

The utility model discloses a maternal and infant disinfection cabinet with bacteriostatic storage, which comprises a shell, a disinfection cavity and a storage cavity which are mutually independent are arranged in the shell, the disinfection cavity comprises a disinfection inner container and a first sealing door, a heating device is arranged at the bottom of the disinfection inner container, the storage cavity comprises a storage inner container and a second sealing door, and a vacuumizing device is arranged on the periphery of the storage inner container. And the air exhaust end of the vacuumizing device is communicated with the storage cavity. According to the storage cabinet, the disinfection cavity and the storage cavity are independently arranged, so that the storage cabinet has a disinfection function, disinfected articles are put into the storage cavity for vacuum storage, and the risk that the articles are polluted can be reduced; the storage cavity and the disinfection cavity which are independent from each other do not interfere with each other during working, so that the practicability of multi-cavity disinfection and vacuum storage is improved; meanwhile, the space utilization rate of the disinfection cavity is improved in a mode that the disinfectant is gasified by the heating device.

The invention discloses a sterilizer for aquaculture, and relates to the technical field of aquaculture. The device comprises an unmanned transportation disc, a disinfectant tank and a weighing device are fixedly installed at the top of the unmanned transportation disc, a weighing frame and a discharging valve are fixedly installed at the bottom of the disinfectant tank, the weighing frame is fixedly installed at the top of the weighing device, a mixing cabin is arranged in the unmanned transportation disc, and the discharging valve is fixedly installed at the bottom of the mixing cabin. The bottom end of the discharging valve extends into the mixing cabin, and pumping cabins are arranged on the two sides of the mixing cabin. According to the device, a disinfectant and raw water are mixed and finally flow into a water body through each external drainage pipe for disinfection, at the moment, two propeller assemblies stop running, and the unmanned transportation disc can be driven to rotate at the original position by the counter-acting force of the flow of the external drainage pipes arranged in a fan shape, so that the spraying range and uniformity of the disinfectant are improved, and the disinfection effect is improved. And then, the unmanned transportation disc is used for successively putting the disinfectant into each part of the water body, so that unmanned accurate putting and uniform putting are realized.

The invention discloses an antibacterial coating and a preparation method and application thereof in DUWLs pipelines, and relates to the technical field of medical materials, the antibacterial coating comprises PDA, SBMA and AgNPs; the antibacterial coating has high protein adsorption resistance, and adsorption of protein in the DUWLs pipeline can be effectively inhibited; the antibacterial coating has a good antibacterial effect and can effectively inhibit the proliferation of bacteria in the DUWLs pipeline and prevent the formation of a biological membrane; the antibacterial rate to staphylococcus aureus and escherichia coli reaches 100%, the bacterial form is incomplete, and cytoplasm leaks; meanwhile, the antibacterial coating can reduce erosion damage of the disinfectant to the DUWLs pipeline, and the antibacterial coating has important application value for solving the problem of DUWLs pollution.

The invention belongs to the technical field of bacteriophages, and discloses an edwardsiella bacteriophage, a bacteriophage composition and application thereof, the bacteriophage is named as edwardsiella bacteriophage PREE 50, the bacteriophage is preserved in China General Microbiological Culture Collection Center on May 26, 2025, and the preservation number of the bacteriophage is CGMCC NO. The preservation address is No.3, Yard 1, Beichen West Road, Chaoyang District, Beijing, and the preservation number is CGMCC No.46488. The bacteriophage PREE 50 is wide in lysis spectrum, high in lysis rate for various types of edwardsiella, good in acid-base stability and temperature stability and capable of being used for preparing drugs, water disinfectants, aquatic feed additives, detection kits and the like for treating or preventing edwardsiella infection, and the bacteriophage PREE 50 can be applied to preparation of drugs, water disinfectants, aquatic feed additives, detection kits and the like while solving edwardsiella infection. And the problems of antibiotic residues and pathogen drug resistance caused by the use of antibiotics are avoided.

The present invention relates to the technical field of Haematococcus pluvialis cultivation, and specifically relates to a disinfection device for a Haematococcus pluvialis cultivation system, which includes an algae storage tank, a disinfection tank, and a number of cultivation tubes. A separation part is connected and arranged between two adjacent upper and lower ones among a number of cultivation tubes on the same side. By starting the double-headed motor to drive the partition to rotate 90 degrees, a number of liquid passing boxes and connecting tubes are blocked, so as to cut off two adjacent cultivation tubes at the same height, and at the same time, the two adjacent upper and lower cultivation tubes are connected to form a loop path. Then, the disinfectant with a large density sinks into the lower cultivation tube to form a layer, and it can be pumped and drained, while the Haematococcus pluvialis culture solution is retained in the cultivation tube for continuous cultivation. Then, just open the liquid outlet pipe to release the disinfectant. Therefore, it is not necessary to lead out and collect all the Haematococcus pluvialis culture solution and then separate the disinfectant. This device saves the time and process of disinfection and separation, and avoids the long-term adverse effects of the disinfectant on the Haematococcus pluvialis culture solution.