187 results about "Sea urchin" patented technology

The invention belongs to the field of preparation of nano materials, and discloses a CoP / Co (OH) 2 sea urchin-shaped heterojunction catalyst growing on foamed nickel and a preparation method and application of the CoP / Co (OH) 2 sea urchin-shaped heterojunction catalyst. Alkali cobalt carbonate (CoCH) is used as a precursor, a crystalline phase CoP substrate is generated through a low-temperature phosphating method, then the surface of the crystalline phase CoP substrate is uniformly coated with an amorphous Co (OH) 2 layer through an electro-deposition process, and the self-supporting phosphating / hydroxyl heterogeneous structure catalyst (CoP / Co (OH) 2) is successfully constructed. The obtained CoP / Co (OH) 2 shows excellent complete water splitting performance, and is benefited from the high-activity specific surface area (Cdl = 44.66 mF cm <-2 >) and the interface rapid electron conduction characteristic (Rct = 0.43 omega) of a heterogeneous structure; when two electrodes are assembled to fully decompose water, the cell voltage is only 1.780 V when the current density is 250 mA cm <-2 >, and after continuous operation is carried out for 24 hours, the performance is basically kept unchanged, and the voltage fluctuation ratio is lower than 0.5%. CoP / Co (OH) 2 is prepared into a 2 * 2cm < 2 > self-supporting electrode to construct AEMWE, only 2.08 V cell voltage is needed under the ultrahigh current density of 1A cm <-2 >, the AEMWE can stably run for 250 hours, the attenuation rate is 80 mu V h <-1 >, meanwhile, the hydrogen production efficiency is calculated to reach 96.2% through gas metering and Faraday law, and the engineering potential of the AEMWE in large-scale hydrogen production application is verified.

The invention belongs to the field of mariculture, and particularly relates to an oyster-sea urchin-undaria pinnatifida three-dimensional ecological breeding method suitable for a silt seabed. The method comprises the following steps: (1) construction of an oyster reef: hanging oysters in a silt sea area, and putting the cultured oysters to the seabed to form the oyster reef; (2) culturing undaria pinnatifida: culturing undaria pinnatifida above the oyster reef by adopting a buoyant raft; (3) putting sea urchin seedlings: putting the sea urchin seedlings by using the natural pore structure of the oyster reef as a sea urchin inhabiting place; (4) settlement feeding management: the cultured undaria pinnatifida is dropped to a sea urchin inhabiting area on the sea bottom to serve as sea urchin bait. Compared with a traditional single culture mode, the utilization rate of the culture space is increased by 3.2 times, the bait cost is reduced by 65%, the nitrogen and phosphorus load of a water body is reduced by 40%, meanwhile, the purposes that the growth speed of sea urchins is high, the survival rate is increased, the content of organic matter in sediments in an oyster area is reduced, and fresh undaria pinnatifida is efficiently utilized are achieved, and remarkable economic benefits and ecological benefits are achieved.

The invention relates to the technical field of aquatic animal living body transportation, and discloses a sea urchin long-distance transportation synergistic method based on dry transportation and anhydrous volatile anesthesia, which comprises the following steps: placing sea urchin in a closed container, using a natural volatile substance as an anesthetic, loading and volatilizing through an adsorption material, and performing anhydrous anesthesia on the sea urchin; the anesthetized sea urchin is inversely placed on a fixing support with a mesh structure in a transportation container in the posture that the mouth face faces upwards and the thorns face downwards, and the sea urchin is prevented from rolling over in the transportation process through the self-locking effect of the thorns and meshes; a functional interlayer is arranged in the fixing support, and a temperature control material and a moisturizing material are placed in the functional interlayer at the same time to maintain the temperature and humidity of the transportation environment; after transportation, the sea urchins are placed in seawater containing the cactus extract for initial recovery and then transferred to flowing natural seawater to complete unified recovery, a whole-process collaborative protection chain of anhydrous anesthesia loss prevention, dry transportation steady state maintenance and rapid water phase restoration can be constructed, and the dry transportation survival rate and quality are remarkably improved.

The invention discloses a preparation method of a double-response self-repairing super-hydrophobic coating on the surface of an aluminum alloy. The preparation method is specifically implemented according to the following steps: step 1, preparing sea urchin-shaped photo-thermal particles Fe3O4-at-TiO2; step 2, preparing self-repairing porous boron nitride; 3, preparing thermal response particles by an emulsion method; step 4, carrying out photocuring and dynamic disulfide bond crosslinking modification; and 5, preparing the double-response self-repairing super-hydrophobic coating. The invention also discloses the coating prepared by the method, the light absorption area is increased by preparing the sea urchin-shaped Fe3O4-coated TiO2, and after the two materials form a heterojunction, absorption spectrums complement each other, so that the energy of sunlight can be more efficiently utilized, and the photothermal conversion efficiency is improved. Porous boron nitride (PBN) increases the specific surface area, loads more perfluoropolyether and forms a continuous heat conduction channel through a porous framework to improve the heat conductivity, it is guaranteed that heat can be transmitted to the thermal response shell to the maximum extent, and the thermal response efficiency is improved.

The application discloses a sea urchin-shaped antibacterial piezoelectric copper-zinc oxide and a preparation method and application thereof, and belongs to the field of biological medical materials. The preparation of the copper-zinc oxide comprises the following steps: (1) weighing Cu 2+ and Zn 2+ containing compound raw materials, dissolving the raw materials in deionized water, and preparing a mixed solution after dispersion; (2) adding the mixed solution obtained in the step (1) into deionized water containing DMSO, stirring and uniformly mixing, and preparing a solution containing Cu 2+ and Zn 2+ ; (3) adding an alkali source into the solution obtained in the step (2), heating and reacting, centrifugally collecting a precipitate, and obtaining the copper-zinc oxide after washing. The copper-zinc particles are subjected to thermal hydrolysis under the action of the organic solvent DMSO under an alkaline condition, and the copper-zinc oxide with a sea urchin-shaped structure is generated; and the oxide exhibits excellent piezoelectric antibacterial performance under stirring at room temperature.

The invention belongs to the technical field of sea urchin treatment, and discloses an automatic sea urchin shell opening device which comprises a shell opening mechanism, a clamping mechanism, a synchronous centering mechanism, a placing platform, a [-shaped connecting piece, a side plate and a cross beam. The claw opening device provided by the invention is of a clip-like structure with a conical head, the opening claw is driven by the air cylinder to perform downward pricking and opening, the shell opening efficiency is high, the downward pricking of the claw opening device is limited by a stroke, and the damage to sea urchin meat is small; meanwhile, an elastic clamping block in the clamping mechanism can be automatically adjusted to clamp the sea urchins of different sizes, the sea urchins of different sizes can be located in the same spatial position by matching with an arc-shaped side baffle and an upper stop block in the mechanism, the sea urchins cannot be taken up by an opening claw after being subjected to shell opening, and the shell opening stability is improved; the synchronous centering mechanism is a rack synchronous transmission mechanism, transmission efficiency is high, work is stable, and rapid clamping of sea urchins is facilitated.

The application discloses a biomimetic urchin-shaped asymmetric structure composite phase change chitosan aerogel loaded with TiO2 / rGO heterojunction and a preparation method and application thereof, adopts argon plasma etching GO, step-by-step dropwise adding tetrabutyl titanate to prepare TiO2 / rGO heterojunction; prepares a multi-level structure phase change microcapsule by an interfacial polymerization method; mixes the heterojunction with a chitosan solution, and prepares a biomimetic urchin-shaped asymmetric chitosan aerogel framework through a customized asymmetric mold and a unidirectional freezing process; fixes the phase change microcapsule by a vacuum-assisted impregnation method, and then performs in-situ coating through polydopamine to obtain the biomimetic urchin-shaped asymmetric structure composite phase change chitosan aerogel loaded with TiO2 / rGO heterojunction, the removal rate of VOCs of the biomimetic urchin-shaped asymmetric structure composite phase change chitosan aerogel loaded with TiO2 / rGO heterojunction is greater than or equal to 80% at low temperature, the phase change microcapsule dispersion rate is less than or equal to 3% after 100 cycles, the structural stability and the cycle durability are excellent, and the biomimetic urchin-shaped asymmetric structure composite phase change chitosan aerogel loaded with TiO2 / rGO heterojunction is suitable for efficient purification of VOCs in low-temperature closed scenes such as cold chain workshops and indoor environments in winter.

The present invention provides a seaweed fertilizer material that allows for easy and inexpensive fertilization and supplemental fertilization of seaweed, as well as enabling the strengthening and reuse of cultivation ropes, a seaweed cultivation facility equipped with this material, a method for manufacturing the seaweed fertilizer material, and a method for cultivating seaweed. [Solution] The seaweed fertilizer material 1 according to the present invention is a seaweed fertilizer material 1 for fertilizing seaweed, and contains raw rubber and shell powder obtained by grinding the shells of marine organisms into powder, and is formed in the form of a sheet or string. The shell powder may be powder from sea urchin shells, and may further contain iron fulvic acid.

Embodiments of the present disclosure relate to a system for attracting and monitoring marine life by capturing images on and around the seafloor surrounding a device of the system. The system can quantitatively measure the effectiveness of attracting and culling marine life such as but not limited to sea urchins. The attracting and the culling features can be used independently.

The invention relates to the technical field of hydrogen production through methane cracking, in particular to a sea urchin-shaped composite catalyst, a preparation method thereof and application of the sea urchin-shaped composite catalyst in hydrogen production through methane cracking. The obtained sea-urchin-shaped composite catalyst has a sea-urchin-shaped appearance, can efficiently catalyze methane cracking to produce hydrogen, simultaneously captures CO2 produced by vapour gasification carbon deposition in a catalyst regeneration process to generate CaCO3, promotes the gasification hydrogen production of the carbon deposition and strengthens the removal effect of the carbon deposition, and the generated CaCO3 can also be converted into CO in situ, so that the catalyst has a good application prospect. The obtained catalyst has good anti-sintering performance and excellent recycling performance.

The invention relates to an intelligent fishing robot and a fishing method for benthic organisms cultured in an ocean cofferdam, and solves the technical problem of how to improve the automatic fishing efficiency for sea cucumber cultured in the ocean cofferdam. The device comprises a catamaran, a left side mechanical arm support, a right side mechanical arm support, a conveying belt support, a conveying belt device, a collecting basket, a plurality of left side mechanical arms and a plurality of right side mechanical arms, the conveying belt device is located between the left side mechanical arms and the right side mechanical arms, and the collecting basket is located below the rear end of the conveying belt device. The method is suitable for benthic organisms such as sea cucumbers, abalones, scallops, mussels and sea urchins which are cultured in an ocean cofferdam mode.

The invention relates to the technical field of nanofiber materials, in particular to a PI / W18O49 / g-C3N4 bifunctional nanofiber material as well as a preparation method and application thereof. The material comprises a PI nanofiber sheet, w18O49 nanometer sea urchin and a g-C3N4 nanometer sheet are loaded on the surface of the PI nanometer fiber sheet through in-situ growth, and the W18O49 nanometer sea urchin and the g-C3N4 nanometer sheet form a heterojunction. The preparation method of the material comprises the following steps: step 1, preparing a PI nanofiber sheet; step 2, preparing the W18O49 nanometer sea urchin; (3) preparing a g-C3N4 nanosheet; and step 4, preparation of the PI / W18O49 / g-C3N4 nano fiber sheet. The problems that in an existing photocatalyst, the recombination probability of photo-induced electron-hole pairs is high, precious metal needs to be introduced into an existing SERS substrate, and the recycling difficulty of the photo-induced electron-hole pairs and the existing SERS substrate is large after the photo-induced electron-hole pairs and the existing SERS substrate are used are effectively solved, and the method is suitable for photocatalytic degradation and SERS detection of tetracycline.

The invention provides a preparation method and application of a phenylboronic acid functionalized sea urchin-shaped COFs material, the COFs material is of a sea urchin-shaped structure, a covalent organic framework serves as a substrate, the substrate is modified through phenylboronic acid groups, the surface morphology of the COFs material is controlled by regulating and controlling the concentration of acetic acid, and functional sea urchin-shaped COFs materials with different morphologies are synthesized. The phenylboronic acid modified sea urchin COFs material not only has remarkable bactericidal performance, but also can specifically adsorb pollutants with vicinal diol structures in various water bodies, and shows remarkable application value in the field of water pollution control.

This invention provides an iron-carbon based catalyst, its preparation method, and its application, relating to the field of wastewater treatment technology. The preparation method includes: S1, adding bamboo powder and humic acid to an alkaline solution and stirring to obtain a carbon precursor; S2, adding the carbon precursor to a glucose solution and carrying out a hydrothermal reaction to obtain a carbon complex; S3, adding an active iron source and an auxiliary agent to a humic acid solution to obtain a complex solution; S4, adding the carbon complex to the complex solution and performing gradient calcination under an inert atmosphere to obtain the iron-carbon based catalyst. The entire preparation process of this invention requires no external binder or pore-forming agent, reduces sintering temperature, and has low cost. The prepared sea urchin-type iron-carbon based catalyst exhibits extremely strong iron-carbon bonding, is not easily detached, and has high stability. Its structure provides a large number of active sites, and the radial nanospikes maximize the specific surface area, greatly promoting Fe... 3+ / Fe 2+ It can recycle and increase the yield of •OH, has strong catalytic activity, and can efficiently degrade recalcitrant organic pollutants.

The invention discloses a rapid fattening bait for sea urchins and a preparation method thereof, and belongs to the technical field of aquaculture feeds. The bait is prepared from the following raw materials in parts by weight: 10-25 parts of kelp powder, 10-25 parts of undaria pinnatifida powder, 5-15 parts of ulva pertusa powder, 5-15 parts of mussel powder, 8-20 parts of corn flour, 1.5-4.5 parts of gelatin powder and 30-50 parts of purified water. The sea urchin fattening feed has the beneficial effects that the formula is scientific, the nutrition is comprehensive and balanced, and the sea urchin fattening feed specially aims at the sea urchin fattening nutritional requirements and can remarkably promote rapid development of sea urchin gonads; after the bait enters water, the structure can be kept complete for a long time, the bait is almost free of dissolution loss, the utilization rate of the bait is greatly improved, and water pollution is fundamentally avoided; the bait is soft in texture and easy to gnaw by sea urchins, and the surface of the bait can slowly release food calling substances to attract the sea urchins to gather and eat; in the preparation process, low-temperature mixing and gel shaping are adopted, so that nutrient substances such as heat-sensitive vitamins and unsaturated fatty acids are effectively protected.

The invention discloses an application of a sea urchin-shaped spinel electrode material in a solid oxide fuel cell (SOFC), and the SOFC oxygen electrode material is sea urchin-shaped NiCo2O4 spinel and is prepared by a hydrothermal method. The sea-urchin-shaped spinel is self-assembled to the surface of the YSZ electrolyte through a current polarization induction method, the sea-urchin-shaped spinel electrode can maintain a good nano structure and a high specific surface area without a high-temperature sintering process, an SOFC based on the sea-urchin-shaped spinel oxygen electrode obtains excellent electrochemical performance, and at the working temperature of 700 DEG C, the electrochemical performance of the SOFC is greatly improved. The maximum output power can reach 2.06 W / cm < 2 >, the ohmic impedance is 0.053 ohm cm < 2 >, the polarization impedance is 0.077 ohm cm < 2 >, and excellent long-term stability is shown.

The invention provides a modular aquatic higher plant ecological treatment method and system for sea urchin / sea cucumber culture tail water, and belongs to the technical field of culture tail water treatment. The gradient process of tail water introduction, first-stage rough filtration, second-stage ecological purification and third-stage deep purification is adopted, and the treated tail water is shunted and reused in a culture pond or discharged after reaching the standard. No chemical agent is added, residue bait recycling and tail water circulation are achieved, purification is stable and efficient, cost is reduced, operation and maintenance are easy, the method is suitable for large-scale aquaculture, treated tail water can be directly recycled after being disinfected, seawater resources are greatly saved, a complete aquaculture water circulation closed loop is formed, the ecological property, practicability and economical efficiency are achieved, and the method is suitable for large-scale aquaculture. The method is suitable for tail water treatment and resource utilization of various sea urchin / sea cucumber culture modes.

This invention discloses an antibacterial hydrogel with photothermal-triggered drug release properties, its preparation method, and its applications. The antibacterial hydrogel comprises a hydrogel matrix material, mesoporous polydopamine-encapsulated sea urchin gold nanoparticles loaded onto the matrix material, and a carried antibacterial drug. The hydrogel is polymerized from aldehyde-modified hyaluronic acid and carboxymethyl chitosan, whose Schiff base bonds endow the hydrogel with excellent self-healing properties and stable mechanical properties. The loaded mesoporous polydopamine-encapsulated sea urchin gold nanoparticles can effectively carry the antibacterial drug and simultaneously possess a photothermal heating effect, endowing the hydrogel with excellent antibacterial properties. Controllable drug release can be achieved under near-infrared light irradiation, realizing the synergistic antibacterial effect of photothermal-drug interaction, effectively killing periodontal pathogens, inhibiting periodontal tissue loss, and improving periodontitis.

An aquaculture device designed to hold and secure marine species such as scallops, urchins, or oysters in an underwater environment while they grow, the device configured to be deployed and retrieved in a manner similar to conventional commercial fishing gear.

The invention belongs to the technical field of marine biomechanical measurement, and particularly discloses a sea urchin adsorption force accurate measurement device and method, the device comprises a workbench and a first base, a second base and a third base on the workbench, and each base is provided with a power system, an S-shaped external test head and a fixed pulley; the S-shaped external testing head is connected with the digital display pull and push dynamometer and the computer, one end of the S-shaped external testing head is connected with the power system, and the other end is connected with the sea urchin adsorption system through the fixed pulley; the sea urchin adsorption system comprises a high-transmittance glass jar filled with seawater, an L-shaped transparent acrylic plate fixed on the inner wall of the jar and a nylon net bag used for containing sea urchin, and an image collector is arranged at the bottom of the high-transmittance glass jar. The power system is used for providing constant tension, and the sea urchin adsorption system and the data processing system are combined, so that the accurate quantitative measurement of the sea urchin adsorption force is realized. The device adopts a standardized test environment and automatic data acquisition, reduces man-made interference, and reduces mechanical damage to sea urchins.

The present application relates to a kind of three-dimensional sea urchin-like Bi2S3 / Bi2O2S or ZnO / Bi2O2S heterojunction and its preparation method and application in photoelectric detector, the Bi2S3 / Bi2O2S heterojunction is made of Bi2S3 Nanorod and Bi2O2S nanoflower, the ZnO / Bi2O2S heterojunction is made of ZnO Nanorod and Bi2O2S nanoflower;The Bi2O2S nanoflower is made of ultrathin Bi2O2S nanosheet, Bi2O2S nanoflower is uniformly grown on substrate;Bi2S3 Nanorod is grown on the surface of ultrathin Bi2O2S nanosheet constituting Bi2O2S nanoflower;ZnO Nanorod is grown on the surface of ultrathin Bi2O2S nanosheet constituting Bi2O2S nanoflower;The Bi2S3 / Bi2O2S heterojunction or ZnO / Bi2O2S heterojunction as a whole presents three-dimensional sea urchin-like structure.The method of the present application can effectively promote the carrier separation of Bi2O2S, improve the sensitivity, responsivity of photoelectric detector.Simultaneously, one-dimensional Bi2S3 Nanorod or ZnO Nanorod is grown on the surface of Bi2O2S, forms three-dimensional sea urchin-like Bi2S3 / Bi2O2S heterojunction, or ZnO / Bi2O2S heterojunction, light is reflected and absorbed on the surface of material multiple times, improves the light absorption utilization rate, further improves the detection performance of photoelectric detector.

This invention relates to the field of sea urchin aquaculture technology, and provides a method and system for sea urchin instance segmentation and high-throughput measurement of growth traits. The method includes: acquiring calibrated images containing sea urchins; extracting sea urchin pixel boundaries using a pre-trained SUYOLO-seg model; calculating the sea urchin pixel area using a polygon area formula, and calculating the true physical area of ​​the sea urchin based on the pre-calibrated true physical area of ​​each unit pixel; and estimating the true weight of the sea urchin using a sea urchin weight trait prediction model based on the mapping relationship between sea urchin area and weight. This achieves completely non-contact measurement of growth traits, avoiding the strong stress response caused by removal from water, ensuring normal growth and development, and completely solving the weighing error problem caused by water retention on the sea urchin surface and between its spines.

The invention belongs to the technical field of battery materials, and provides a sea urchin-shaped Mn2O3 positive electrode material and a preparation method and application thereof. The preparation method comprises the following steps: mixing manganese acetate, polyvinylpyrrolidone and ethanol to obtain a mixed solution; mixing trimesic acid and ethanol to obtain a trimesic acid solution; mixing the mixed solution and a trimesic acid solution, heating and stirring to obtain a precursor; and calcining the precursor. The Mn2O3 positive electrode material provided by the invention has a sea urchin-shaped morphology, provides more reaction active sites, has a relatively high specific surface area, increases the contact area with an electrolyte, accelerates electrochemical reaction, and improves the electrochemical activity and structural stability of an aqueous battery; the sea urchin-shaped morphology is beneficial to relieving volume expansion caused by the positive electrode material in the charging and discharging process, and the cycling stability is improved; the preparation method is simple, raw materials are easy to obtain and low in cost, the method is simple, and the prepared sea urchin-shaped Mn2O3 positive electrode material is good in controllability and suitable for large-scale production.

This invention provides a CNT / W 18 O 49 Cu nanofiber sea urchin material and its SERS-photocatalytic bifunctional application, wherein the material is internally embedded with carboxylated CNTs, and W 18 O 49 The nanostructures intertwine to form a three-dimensional network, and the surface of the nano-sea urchin material is composed of high-density radial nanoneedles with Cu at the tips. 2+ Anchored in an atomically dispersed form. This is achieved through carboxylation of CNTs with W... 18 O 49 Nanoneedles intertwine to form a three-dimensional network, creating a radial nanoneedle structure on the surface, with atomically dispersed Cu atoms anchored at the needle tips. 2+ It combines high-sensitivity SERS detection with efficient photocatalytic degradation, enabling integrated "detection-degradation" treatment of organic pollutants.

The present invention relates to an ecological cage aquaculture method. The method proposes a cage-based relay aquaculture model for sea cucumbers, sea urchins, and fish, wherein sea cucumbers and sea urchins are mixed in cages during the wintering period, and are combined with green pufferfish aquaculture in the summer. This achieves the comprehensive utilization of cage aquaculture, effectively avoids the risks of aquaculture of sea cucumbers and sea urchins during the high temperature period in summer, saves feeding bait, and, based on the biological characteristics of green pufferfish that feed on mollusks, removes cage attachments in a targeted manner, achieving a biological cycle and biocontrol of pollutants in marine aquaculture, reducing the labor intensity of subsequent cleaning of cage-fouling organisms. The method adopts a "well"-shaped HDPE grid cage to greatly improve the utilization efficiency of the aquaculture device. The method is equipped with an automatic feeding system to solve the problem of difficult and dangerous feeding in large cages. The method feeds bait in a scientific and standardized manner, saving feeding time and manpower input, reducing labor intensity, and greatly improving labor output efficiency.

The utility model discloses a three-dimensional layered net rack for sea urchin fry culture, which belongs to the technical field of culture and comprises a square rack body, and a plurality of net cages for sea urchin fry culture are detachably connected to the inner wall of the rack body in a three-dimensional layered manner; the balance weight plate is arranged below the frame body, the top end of the balance weight plate is fixedly connected with two auxiliary plates, the two auxiliary plates are rotationally connected with the frame body through rotating shafts, a waterproof shell is installed on the side face of one auxiliary plate, and a forward and reverse motor for providing power for one rotating shaft is installed on the inner wall of the waterproof shell; a plurality of air bags used for providing buoyancy are installed at the top end of the frame body, air supply equipment used for providing air for the air bags is installed at the top end of the frame body, a balancing weight is connected to the side, away from the air bags, of the frame body, the air bags are further communicated with a deflation pipe with an electromagnetic valve, and openings are formed in the side faces of the net cages. According to the three-dimensional layered net rack for sea urchin seedling culture, excrement can be well treated, and the culture space can be adjusted.

The invention discloses an intelligent response aluminum alloy anticorrosive coating and a preparation method thereof.The preparation method comprises the steps that firstly, a template agent is dissolved in deionized water, a silicon source is added after the PH of the solution is adjusted, and white precipitates are heated and refluxed to obtain MSNs; secondly, performing in-situ generation of a porous urchin-shaped MOFs material on the surface of the MSNs through a hydrothermal method and a freeze-drying method to obtain porous urchin-shaped MOFs / MSNs; then adding the MOFs / MSNs into a solution containing a corrosion inhibitor to obtain MOFs / MSNs loaded with the corrosion inhibitor; and finally, adding the corrosion inhibitor loaded MOFs / MSNs into a PDMS diluent, and coating the surface of the aluminum alloy with the mixture through a spin-coating method to obtain the aluminum alloy anticorrosive coating. The coating has excellent chemical stability, environmental responsiveness and structural integrity, and has wide application prospects in the fields of aerospace, ship engineering, electronic and electrical products, daily consumer goods and the like.

The application discloses a kind of instant sea urchin processing method and equipment, and the application relates to the technical field of aquatic product processing, including connecting pipe, the quantity of connecting pipe is two, two The connecting pipe is fixedly connected with feed pipe and discharge pipe respectively, the outside of connecting pipe is rotatably connected with gear, the outside of gear is fixedly connected with air cylinder, the elongated end of air cylinder is fixedly connected with fixed ring, the end close to air cylinder of fixed ring is rotatably connected with connecting plate, the end away from fixed ring of connecting plate is rotatably connected with connecting ring, the outside of connecting ring is fixedly connected with fixed rod, this instant sea urchin processing method and equipment, by multiple connecting ring and fixed rod form a dip net, motor drives worm to rotate, so that gear rotates, and then gear drives dip net to rotate, at this moment sea urchin in dip net and between sea urchin, sea urchin and dip net due to rotation and mutual friction effect, realize the function of removing sea urchin spines.

This invention discloses a sea urchin-shaped oxygen-rich vacancy O vac This paper describes a CuO@ZIF-8 core-shell structured photothermal catalyst, its preparation method, and its application, belonging to the fields of photocatalytic materials and artificial nitrogen fixation technology. The technical solution is as follows: the catalyst has a core-shell structure, with the core being urchin-shaped copper oxide (CuO) microspheres. These microspheres are assembled from radially arranged one-dimensional nanoneedles or nanospikes, and the surface of the core contains oxygen vacancies (O). vac The shell is an in-situ grown ultrathin zeolite imidazole ester framework material, ZIF-8, which possesses hydrophobic and molecular diffusion channel properties. This invention also constructs a matching biomimetic three-phase interface photothermal reaction system. Through the synergy of a hydrophilic substrate supplying water and a hydrophobic, permeable shell, it achieves a balance between gas diffusion and proton supply, reducing the submersion of active sites by liquid water and the occurrence of side reactions. This invention has significant advantages such as high photothermal conversion efficiency, mild preparation conditions, and high gas-liquid interface mass transfer efficiency.

The present application belongs to the technical field of marine ecological breeding, and particularly relates to a compound marine ranching device and method based on urchin-alga-stichopus nutrient internal circulation. The compound marine ranching device based on urchin-alga-stichopus nutrient internal circulation comprises an urchin breeding area, a stichopus breeding area, a reef-throwing bottom sowing area, an environment monitoring and control system and a main body connecting frame. The urchin breeding area and the stichopus breeding area are both provided with multiple net cages, and the urchin net cages and the stichopus net cages are staggered. The reef-throwing bottom sowing area is located at the lower part of the breeding area. The environment monitoring and control system comprises a sensor group, a remote monitoring host and a control execution unit. The compound marine ranching device and method based on urchin-alga-stichopus nutrient internal circulation can absorb nitrogen and phosphorus generated in breeding by means of algae, and improve the bottom material by stichopus disturbance, thereby relieving the problems of eutrophication and bottom layer anoxia from the source, and greatly improving the breeding yield and economic benefits per unit sea area.