40 results about "Sponge" patented technology

The invention discloses an infrared monitoring jet device and method for removing limnoperna fortunei in a pipeline, and belongs to the technical field of pipeline maintenance and cleaning. The breeding of the limnoperna fortunei on the inner wall of the water conveying pipeline causes high cost, low efficiency, environmental pollution and the like; by arranging the infrared monitoring system, the growth condition of limnoperna fortunei on the inner wall of the pipeline can be accurately monitored in real time, and data can be transmitted to the control system in time; the control system performs deep analysis on the received data, and immediately controls the clearing execution system to start the high-pressure water jet device once judging that the scale of the limnoperna fortunei reaches a preset threshold value, so that the limnoperna fortunei is strongly scoured, and efficient clearing is realized; meanwhile, a hydroelectric generation system is ingeniously utilized, water flow power in the pipeline is converted into electric energy, and continuous and stable electric power support is provided for the whole device; the pipeline limnoperna fortunei cleaning device achieves automatic and environment-friendly cleaning of the pipeline limnoperna fortunei, has the remarkable effects of being efficient, energy-saving, safe, reliable and the like, and can be widely applied to maintenance work of various water conveying pipelines.

The utility model discloses an arma chinensis fallou feeding device, which relates to the field of insect feeding equipment, and comprises a feeding box, a liquid storage container and a liquid suction feeding part, the top of the feeding box is provided with a liquid inlet, the bottom of the liquid storage container is connected with a liquid guide pipe, the liquid guide pipe is communicated with the liquid inlet, and the liquid guide pipe is provided with a flow regulator; the liquid suction feeding part is vertically arranged in the feeding box, and the bottom of the liquid suction feeding part is in contact with feeding liquid in the feeding box and adsorbs the feeding liquid; by arranging the liquid storage container and the liquid guide pipe, feeding liquid can be continuously supplied to the feeding box, the liquid suction feeding part is arranged to adsorb the feeding liquid for arma chinensis to suck, and the feeding speed of the feeding liquid is adjusted through the flow adjuster, so that the feeding speed of the arma chinensis and the feeding speed of the feeding liquid are balanced; the method that in the prior art, soaked sponge, cotton and the like are placed above a rearing cage gauze for feeding is replaced, the feeding difficulty is greatly reduced, the feeding operation time of a breeder is saved, and the bug breeding technology is standardized.

This invention discloses a multi-stage flow-guiding dehydration structure for a purification vessel and a comprehensive aquatic environment purification vessel. The structure uses horizontal plates, multiple vertical plates, and horizontal railings to guide some moisture from solid waste into a second collection box, which is then discharged through a second drain hole. A sponge absorbs some moisture from the solid waste, and the remaining moisture is discharged through an outlet, thus reducing the moisture content of solid waste. The structure is characterized by comprising a hull, a first collection box, a second collection box, an L-shaped placement plate, horizontal plates, vertical plates, horizontal railings, inclined guide plates, a sponge, an outlet, a cap, and a short outlet pipe. The first collection box is embedded in a slot in the center of the top surface of the hull, and the first collection box has an open top surface, flush with the top surface of the hull. Two second collection boxes are respectively embedded in slots on either side of the top surface of the hull, and the second collection boxes also have open top surfaces.

The utility model relates to insect situation detection technical field especially a kind of internet-of-things insect situation information acquisition integrated equipment, it is composed of acquisition unit and trapping unit, the trapping unit includes support, the support is fixedly connected at the top of the acquisition unit, install trap lamp in the support inside, the support is equipped with several impact plates in the peripheral of trap lamp, the impact plate is detachably connected with the support by elastic structure;Wherein, detachably connected with cleaning member in the peripheral of the trap lamp, the cleaning member is used to clean the outer wall of the trap lamp, rotating mounting seat can be separated between impact plate and connecting portion by the way that it is changed by poking elastomer, realize the effect that impact plate is disassembled and cleaned or replaced, drive cleaning member to slide up and down along trap lamp, so that the sponge body inside cleaning member can clean the surface of trap lamp, prevent trap lamp surface dust or insect carcass accumulation influence light transmission.

The invention belongs to the technical field of detection devices, and particularly relates to a complex geological environment imaging monitoring method and system, which comprises a shallow layer detection unit, a middle layer detection unit, a verification unit, a control host and a data acquisition and processing module, the borehole television is composed of a television probe, a transmission cable, a ground host, a winch and an auxiliary part. The device further comprises a sealing sleeve. When the cleaning ring moves, a water spray nozzle sprays water to the outer surface of the sealing sleeve to wash away impurities and moisten sludge at the same time, after the sludge is moistened, the cleaning sponge wipes the sludge, and the television probe observes the cleaning condition in real time; water in the cleaning sponge is extruded out through extrusion of the extrusion block, then when the cleaning sponge reciprocates again, the cleaning sponge absorbs the water on the outer surface of the sealing sleeve, drying of the outer surface of the sealing sleeve is accelerated, the cleaning time is shortened, and the detection efficiency is improved in cooperation with the air spraying effect of the air nozzles.

The invention discloses a method for killing limnoperna fortunei in a raw water conveying pipeline by adopting ferrate, and aims to solve the problems of complexity in treatment of limnoperna fortunei in the raw water conveying pipeline, unqualified drinking water finally caused by conventional oxidizing agents containing chlorine and manganese and the like. According to the method for killing the limnoperna fortunei in the raw water conveying pipeline by adopting the ferrate, the ferrate is added into the raw water conveying pipeline containing the limnoperna fortunei, so that the concentration of Fe (VI) in a raw water system in the raw water conveying pipeline is kept at 0.5-1.5 mg / L, and the ferrate is continuously added for 1-15 days. According to the method, the ferrate is used for inducing oxidative stress on the target organism limnoperna fortunei, and Fe (III) is generated through reduction reaction of the ferrate, so that accumulation of toxic residues is avoided, the death rate of the limnoperna fortunei in a raw water pipeline can reach 80%-100%, and the adding mode of the ferrate in the limnoperna fortunei treatment process is simple, convenient and safe and has extremely high feasibility.

The invention relates to a porous PDMS sponge-based underwater pressure sensor and a preparation method and application thereof. The porous PDMS sponge-based underwater pressure sensor comprises: a porous elastomer dielectric layer, wherein the material of the porous elastomer dielectric layer is a porous PDMS sponge in which an ionic liquid is uniformly attached; the electrode layers are arranged on the upper surface and the lower surface of the porous elastomer dielectric layer and keep in contact with the porous elastomer dielectric layer; and the packaging layer is used for performing waterproof packaging on the sensor. The sensor can monitor the pressure of at least 10 kPa underwater, has stable response to the water depth of 2 mm, and shows good cycle stability. Moreover, the adopted preparation process is simple and low in cost, and has a wide application prospect.

This invention belongs to the field of insect experimental devices, specifically disclosing an experimental device for the interaction between antiviral agents and natural enemy insects. It includes a release box for releasing natural enemy insects and an experimental box detachably installed around the release box. The release box and the experimental box each have a first elongated hole and a second elongated hole. An adjusting plate that can close the first elongated hole is slidably connected inside the release box. The adjusting plate has a channel that connects to the first elongated hole. The channel can move along the length of the elongated hole with the adjusting plate to adjust the passage height of the natural enemy insects. A drawer is provided at the bottom of the experimental box for holding sponges that absorb different amounts of moisture to provide a humid environment inside the experimental box. A spray nozzle is provided at the top of the experimental box for spraying the agent inside. This invention is used to simulate different environments to observe the autonomous selection behavior of natural enemy insects under different conditions and explore their complex interactions with agricultural ecosystems.

The invention discloses a formula of a food attractant and application of the food attractant in a sponge lure type insect sticking blue plate for trapping thrips inflorescens. The food attractant comprises essence with the mass concentration of 0.8%-1.2% and honey with the mass concentration of 50%-80%. According to the application mode, after being soaked in the food attractant, sponge is pasted and fixed to the centers of the two faces of a blue plate, and therefore the sponge lure type insect sticking blue plate device is formed. According to the device, active attraction of the food attractant and physical adhesion of the blue plate are combined, and the problems that the attraction effect of a pure blue plate is passive and poor, and operation is complex, cost is increased, resistance is improved, and environment pollution is caused by pure use of the food attractant or chemical pesticide are solved. Field trials show that the trapping effect on the flower thrips can be several times that of a blank blue plate, meanwhile, the trapping effect on ants, mosquitoes, flower flies and other insects is achieved, and the method has the remarkable advantages of being easy to operate, active in effect, long in lasting period, economical, safe, free of pollution and the like.

The application provides a grey tea geometrid pupa collecting device, and belongs to the technical field of pest pupa collection. The device comprises a rearing cage, a collecting box, a movable drawer, pupation medium and a breathable iron mesh. The collecting box is fitted and embedded on the inner side of the bottom of the rearing cage, and the top of the collecting box is a circular open structure. The movable drawer is movably arranged in the collecting box, and the side wall of the collecting box is provided with a drawer slot matched with the movable drawer. The pupation medium is laid in the movable drawer. The breathable iron mesh covers the top opening of the collecting box, a sponge body is arranged in the opening, and tea branches are placed in the collecting box through the sponge body. The device utilizes the natural habit of downward migration of grey tea geometrids, realizes the automation of pupa collection, and does not need manual collection one by one. The size of the rearing cage and the collecting box is fully matched, and they are seamlessly embedded without gaps, so that the matured larvae can accurately fall into the collecting box when migrating downward along the tea branches, and there is no risk of omission. The height of the rearing cage guarantees the extension space of the tea branches, and meets the climbing and feeding needs of the larvae.

The utility model provides a breeding box for simulating cave insect breeding and breeding, which comprises a box body, a box cover and a box door, a temperature controller, a humidity controller and a humidifier are arranged on the side wall of the box body, a black gauze structure is arranged on the inner side wall of the box body, a drawer or a gauze cage is placed in the box body, and the box cover is arranged on the box body. An opening groove is formed in the middle of the box cover, two parallel sliding rails are arranged on the two sides of the opening groove, an observation mirror and black cloth curtains are arranged on the sliding rails, the black cloth curtains are located at the two ends of the observation mirror, and the special cave environment can be accurately simulated. The sponge water supply device and the matrix soil chassis are designed to effectively meet the water supply and oviposition requirements of insects; the detachable combined structure supports modular function extension; the USB power supply mode adapts to field scenes, a more real living environment can be provided for the cave insects, the influence of observation on the insects is reduced, the research efficiency and the data accuracy are improved, and higher environmental adaptability and function flexibility are achieved.

The invention discloses a product positioning and identification method for a sponge curing process, and the method achieves the non-contact internal detection of a cured sponge product through a near-infrared transmission imaging technology, builds a gray scale and density corresponding relation, and provides a quantifiable structural data basis for the subsequent feature extraction. A dynamic threshold-guided semantic segmentation fusion algorithm is combined to construct a recognition model jointly driven by local gray statistics, settlement gradient correction and U-Net semantic segmentation, so that the limitation that single threshold segmentation is easily interfered by noise is broken through, high-precision recognition and boundary maintenance of a high-density settlement area are realized, and the method is suitable for large-scale popularization and application. The robustness and consistency of an image segmentation result are improved, meanwhile, through characteristic parameter systematic modeling, the centroid position of a high-density settlement area is defined as a first characteristic parameter, the weighted gray gradient extreme value in the vertical direction is defined as a second characteristic parameter, and quantitative characterization is established in the two aspects of macroscopic position distribution and microcosmic density gradient.

The present application relates to a kind of near zero resistance temperature coefficient temperature-pressure flexible sensor and its preparation method.It belongs to the technical field of multifunctional sensor preparation.The present application provides a kind of sensor preparation method, which can simultaneously produce resistance and voltage signal response to external pressure and temperature stimulation, and has near zero resistance temperature coefficient (-0.000836% ℃ ‑1 ) effectively avoid the complex decoupling process of single resistance signal output and the problem of environmental temperature change affecting resistance signal accuracy.The preparation method of the sensor is as follows: NaCl particles are used as templates to prepare porous polydimethylsiloxane (PDMS) sponge, the surface of the sponge is modified by plasma modification technology, the modified sponge surface is combined with Ti3C2 MXene nanosheet through electrostatic attraction, then conductive Nafion resin is introduced to enhance the adhesion of Ti3C2 MXene nanosheet on the surface of the sponge, and finally metal electrodes are pasted on the upper and lower surfaces of the composite sponge through conductive adhesive to obtain a temperature-pressure flexible sensor with near zero resistance temperature coefficient.

The utility model discloses a simulation dinosaur model which comprises a movable mechanical device and an outer simulation surface layer, the outer simulation surface layer is arranged outside the movable mechanical device in a sleeved mode, and the surfaces of the head, the trunk and the limbs of the movable mechanical device are all fixedly connected with magnetic attraction blocks. According to the device, the movable mechanical device, the magnetic attraction block and the sponge fixing mechanism are designed, the high-density sponge is fixed to the surface of the mounting plate through clamping of the upper clamping plate and the lower clamping plate, and then the high-density sponge is attracted to the outer portion of the movable mechanical device in a magnetic attraction mode; the fixing mode of the sponge is simpler and more convenient, when the mechanical dinosaur is simulated to move, muscles of the high-density sponge can be synchronously bent, split joint movement and swing are not only needed any more, the overall impression is more real, the ornamental value is high, meanwhile, the skin material part does not need to be integrally replaced when repaired, and the cost is reduced. And the maintenance cost of the simulated dinosaur after long-term use is lower.

The invention discloses a water treatment material as well as a preparation method and application thereof, and belongs to the field of materials. The invention provides a water treatment material as well as a preparation method and application thereof in order to solve the problems of complexity and serious environmental pollution in the synthesis process of a water treatment material in the prior art and the problems that the water treatment material obtained after synthesis is low in pollutant removal rate and the material is easy to breed bacterial colonies in a humid environment. The preparation method comprises the following steps: (1) argon is used as inert shielding gas to inhibit excessive graphitization of a carbon skeleton and maintain abundant oxygen-containing functional groups (groups such as-OH,-COOH and-CHO are retained, and the density of the groups can be detected through FIIR); (2) hydrogen is used as a reducing agent to directly reduce the AgNO3 precursor into nano-silver, and an additional reducing agent is not needed; and (3) through direct heating (such as high-temperature calcination) or regulation and control of a heating program, the three-dimensional skeleton of the melamine sponge is used as a self-sacrifice template, a through type hierarchical pore structure is constructed, and the silver nano-loaded carbon material has excellent water treatment performance.

This application relates to the field of biological sample storage technology, and in particular to a rapidly assembleable low-temperature biological sample storage box and assembly method, comprising an insulated bottom shell, an insulated mounting shell above the insulated bottom shell, and an insulated top cover above the insulated mounting shell. The insulated bottom shell, the insulated mounting shell, and the insulated top cover are interconnected by a connecting body. A placement body is installed inside both the insulated bottom shell and the insulated mounting shell, and storage tubes are installed in uniformly distributed within the placement body. In this application, through the insulated bottom shell, the insulated mounting shell, the insulated top cover, the sponge board, the sealing frame, the placement body, the storage tubes, and the connecting body, the storage tubes containing biological samples can be installed through the placement body. Then, the biological samples are insulated and protected by the insulated bottom shell, the insulated mounting shell, and the insulated top cover, while the placement body cools the air around the storage tubes, making the storage of biological samples inside the storage tubes more stable.

The utility model provides a lepidoptera insect specimen transport case which comprises a case body, a case cover and a plurality of specimen protection boxes, a plurality of box placing grooves are formed in the case body, damping sponge is laid at the bottom of each box placing groove, and the specimen protection boxes are clamped in the box placing grooves; the specimen protection box comprises a box body and a box cover, a lower-layer sponge is arranged in the box body, and eva foam is laid on the bottom surface of the lower-layer sponge; an upper-layer sponge is arranged at the bottom of the box cover, abdomen reserved grooves are formed in the center of the lower-layer sponge and the center of the upper-layer sponge in a penetrating mode, and a preservative groove is further formed in the lower-layer sponge; the periphery of the box cover and the periphery of the box body are locked together through a set of buckles respectively, and in the locked state, the lower-layer sponge and the upper-layer sponge are pressed to slightly deform so as to flatten wings of specimens. The lepidoptera insect specimen transport case has the advantages of being good in protection effect, simpler to operate, large in containing quantity and suitable for large-batch transportation.

This invention belongs to the field of trace detection technology, specifically disclosing an enzyme-triggered reconstructed gold nanorod double ZIF core-shell material, its preparation method, and its application. The material has a core-double-shell structure, comprising a gold nanorod Au NR core, a ZIF-8 inner shell, and a reconstructed ZIF-67 outer shell. The reconstructed ZIF-67 outer shell is composed of wrinkled flakes and broken shell plates forming a sponge-like porous interconnected network, creating open channels and abundant nanoscale gaps. The preparation method involves first growing ZIF-67 on Au NR@ZIF-8, then sequentially mixing it with glucose oxidase and glucose to trigger in-situ etching and reconstruction of the outer ZIF-67 layer, obtaining the material Au NR@ZIF-8@rZIF-67. The resulting material exhibits enhanced adsorption and enrichment capacity and surface activity, and can be used as a surface-enhanced Raman scattering (SERS) substrate for trace detection of target molecules, improving enrichment efficiency and detection sensitivity.

The invention discloses a cultivation and propagation method of aquatic crust, and relates to the technical field of environmental restoration and ecological engineering. The method comprises the following steps: mixing algae powder serving as an aquatic crust seed source with minerals and micro-nano metal oxides to form a matrix, adding a metal nutrient solution, and culturing until the porous spongy aquatic crust is formed. According to the method, the microstructure and components of the aquatic crust are regulated and controlled through specific conditions, artificial cultivation of the aquatic crust is achieved for the first time, the cultivated aquatic crust is high in adsorption capacity and fixing efficiency on typical environmental pollutants such as heavy metal, and the cultivation and propagation method has the advantages of being high in stability, low in cost, environmentally friendly and the like.

The utility model discloses a wolfberry screening device which comprises a soaking pool, a funnel is fixedly connected to the lower surface of the soaking pool, a shell is fixedly connected to the lower surface of the funnel, a top conveying belt is fixedly connected to the inner surface of the shell, and a first rotating motor is fixedly connected to the outer surface of the shell. The output end of the first rotating motor penetrates through the shell to be fixedly connected with a first rotating shaft, the outer surface of the first rotating shaft is fixedly connected with first sponge, the outer surface of the shell is fixedly connected with a second rotating motor, and the output end of the second rotating motor penetrates through the shell to be fixedly connected with a second rotating shaft; a second sponge is fixedly connected to the outer surface of the second rotating shaft, a shell is fixedly connected to the lower surface of the shell, and a middle-layer screen is fixedly connected to the inner surface of the shell. Through the structure, the sponge, the soaking pool and the baffle are arranged, so that Chinese wolfberry fruits can be cleaned more conveniently, and the screening precision is ensured.

There is provided a heat reservoir and a heater assembly for an aerosol provision system, and an aerosol provision system. Wherein the heat reservoir comprises a thermal storage material with a porous structure, pores of the porous structure are in fluid communication with each other to form an air channel. And the thermal storage material comprises stacked particles and gaps enclosed by adjacent particles define the pores; or the thermal storage material comprises a three-dimensional sponge body, and the three-dimensional sponge body defines the pores therein.

The invention provides a polysaccharide-based hemostatic sponge material for rapid hemostasis of a deep wound cavity and a preparation method of the polysaccharide-based hemostatic sponge material. The problems that a hemostatic porous material prepared in the prior art is difficult to expand rapidly, poor in hydrophilicity, low in shape recovery rate, large in pores, uneven in pores, low in elastic modulus, poor in compression cycle performance and the like are solved. According to the preparation method, natural polysaccharide is adopted as a raw material, and the porous material which can absorb liquid and expand quickly, and is high in hydrophilicity, good in biocompatibility, high in shape recovery rate, small and uniform in pores, high in elasticity modulus and good in compression cycle performance is prepared through the aging salting-out method and the processes of alkalization, esterification, mixing, aging and forming.

The article of the present design is a specimen fish holder made of a flexible material such as sponge, primarily for holding small specimen fish such as zebrafish used in tests and experiments. As shown in "Reference Figure 1 Showing the State of Use," the specimen fish can be held in the holding groove, and a test substance can be administered to the specimen fish held in the holding groove using a syringe. Furthermore, as shown in "Reference Figure 2 Showing the State of Use" and "Reference Figure 3 Showing the State of Use," the upper part of the specimen fish holding groove is provided with a discharge chute fitting portion into which the discharge chute of the specimen fish guiding device is fitted as it is pushed open. In this test fish guiding device, test fish are introduced into the funnel together with water, and the introduced test fish pass through a downwardly sloping guide pipe together with the water. After passing through the inclined guide pipe, the test fish pass through a discharge chute extending downward together with the water. After passing through the discharge chute, the test fish are discharged together with the water from the lower end opening of the discharge chute into the holding groove of the test fish holding device, and the discharged test fish are then held, for example, in the holding groove.

This invention provides a method for preparing a sponge-like porous Pd-based nanocatalyst, relating to the field of catalyst preparation technology. The method includes the following steps: preparing a reaction solution; preparing a precursor solution; preparing a reduction solution; preparing a sponge-like Pd-based nanocrystal precursor; and electrochemical activation treatment. The sponge-like porous Pd-based nanocatalyst prepared by this method, through the prior synthesis of Pd-based nanoparticles followed by surface modification, overcomes the structural stability defects of traditional composite materials. It allows for control over the size, morphology, distribution, and bonding degree of the composite material, improving the synergistic effect between the Pd-based nanomaterials and hydroxides, thereby inhibiting CO poisoning and enhancing the activity and stability of the material in catalyzing EOR.

The invention relates to an oil tank with built-in counterweight type damping sponge, and relates to the technical field of fuel oil storage equipment.The oil tank comprises an oil tank shell, an oil storage cavity is formed in the oil tank shell, a damping sponge body is arranged in the oil storage cavity, and a magnetic conductive counterweight block is fixedly connected to the interior of the damping sponge body; and a storage device, a clamping device and a pushing device are arranged in the oil storage cavity. A plurality of sponge bodies with neutral buoyancy are randomly distributed in oil liquid and are in contact, collision and friction with the oil liquid to consume energy, global oscillation suppression is achieved, meanwhile, huge gaps exist between the sponge bodies, the sponge bodies are of a porous structure, the effective oil containing volume of an oil tank is hardly occupied, and an oil way cannot be blocked or obviously blocked; and the sponge body settles along with oil consumption and liquid level decline and acts on the current oil main body part all the time, the buffering effect is not weakened due to the liquid level change, and the self-adaptive liquid level is realized.

The invention belongs to the field of high polymer materials, and particularly discloses a polyurethane sponge with high compression resilience as well as a preparation method and application thereof. According to the polyurethane sponge disclosed by the invention, in preparation raw materials, bifunctional polyether polyol and tetrafunctional polyether polyol are adopted as polyether polyol to react with isocyanate, and the mass percentage content of a silicone oil surfactant in the preparation raw materials is adjusted and controlled, so that the functionality of the polyether polyol cooperatively regulates and controls a cross-linked network structure; the foam morphology is optimized by adjusting the addition amount of the silicone oil surfactant, and the synergistic improvement of the compression resilience of the polyurethane sponge is realized by combining the two dimensions of a molecular chain structure and a microcosmic foam morphology. Meanwhile, the invention further discloses a preparation method of the polyurethane sponge and application of the polyurethane sponge in the fields of furniture, automobiles, industrial buffering and the like.

The utility model provides a orius minutus oviposition feeder which comprises a cylinder body, a sealing partition plate and a plurality of oviposition substrate plates. The sealing partition plate is arranged in the barrel body, so that the barrel body forms a closed ventilation space; the sealing partition plate is provided with a plurality of substrate plate insertion openings, the spawning substrate plates are inserted into the cylinder body from the substrate plate insertion openings, and the cross sections of the spawning substrate plates are smaller than the substrate plate insertion openings; first grooves used for oviposition of orius minutus are formed in the two sides of the oviposition substrate plate; a sealing partition plate is arranged in the barrel, a water supplementing part is arranged on the sealing partition plate, a sponge plug is arranged below the water supplementing part, water in the water supplementing part slowly drips into the barrel through the sponge plug, an oviposition substrate plate is placed in the barrel in a suspended mode and does not ventilate with the outside, and it can be guaranteed that substrates do not deteriorate in the oviposition period of orius minutus. And the oviposition substrate plate can be inserted and pulled out of the cylinder body, so that the oviposition substrate can be quickly replaced.

The present application relates to water treatment agent preparation technical field, disclose a kind of river and lake water spongy target killing composite microbial growth-promoting agent preparation method, the method includes: preparation includes sodium percarbonate, L-glutamic acid-N,N-diacetic acid tetrasodium and polyaspartic acid granule A;Preparation includes humic acid sodium, adipic acid, sodium erythorbic acid and ferric citrate granule B;Granule A and granule B are jointly put into mixing machine and mixed uniformly, after discharging, vacuum sealing packaging is carried out.The present application realizes the physical isolation of oxidizing agent and reducing agent by extruding granulation respectively, to avoid the early failure of agent during storage period.After input into water body, the difference in physical strength of two types of granules is used to realize time sequence disintegration, granule A disintegrates first to build alkaline de-crosslinking environment to strip water spongy defense layer, and granule B disintegrates subsequently to make microenvironment drift to weak acidity, trigger fenton-like reaction to release hydroxyl radical to complete targeted killing, and oxygen release and carbon and nitrogen source dissolution can promote water bottom micro-ecosystem reconstruction.

This invention provides an in-situ self-doped three-dimensional sponge carbon material, its preparation method, and its application, belonging to the technical field of lithium metal battery electrode materials. A carbon precursor is pretreated and placed between two carbon plates, then pre-carbonized and deeply carbonized under an inert atmosphere to obtain the in-situ self-doped three-dimensional sponge carbon material. The carbon precursor comprises one or more of melamine sponge, urea-formaldehyde resin sponge, polyurethane sponge, lignin sponge, and chitosan sponge. This invention employs a carbon plate clamping and two-stage carbonization process. The carbon plate clamping effectively limits the volume shrinkage and deformation of the sponge carbon precursor during carbonization, while the pre-carbonization treatment avoids structural damage caused by excessively high temperatures and vigorous reactions of organic matter within the material.

The invention relates to the technical field of diving equipment manufacturing, in particular to underwater visual aquaculture water quality monitoring equipment which comprises a counterweight frame, the top of the counterweight frame is sleeved with a protective frame, a lifting frame is fixed to the top face of the protective frame, the top of the protective frame is sleeved with a transparent cover, and the outer side of the lifting frame is sleeved with a rotating disc. A high-definition visual monitor is fixed to the surface of the rotary disc, a traction plate is fixed to the surface of the rotary disc, a cleaning frame is fixed to the end of the traction plate, and a sponge pad fixed to the surface of the cleaning frame makes contact with the inner wall of the transparent cover. The system has the advantages that water quality monitoring and underwater visual monitoring functions are integrated, all-directional monitoring of the breeding environment is achieved, more comprehensive and accurate information is provided for farmers, problems in the breeding process can be found in time, corresponding measures can be taken, and breeding benefits are improved.