246results about How to "Improve the coordination effect" patented technology

The invention relates to the technical field of barium hydroxide, and discloses a preparation method of barium hydroxide octahydrate. Epoxidized soybean oil and iminodiacetic acid react to obtain a sodium iminodiacetate modified epoxidized soybean oil trapping agent. According to the method, witherite raw ore is used as a raw material, a sodium iminodiacetate modified epoxidized soybean oil trapping agent, an inhibitor and a foaming agent are added for separation and mineral separation, the separation recovery rate of the obtained high-grade witherite reaches 83.7-91.5%, and the grade reaches 57.7-63.8%. The high-grade witherite is used as a barium source, the yield of the prepared barium hydroxide octahydrate reaches 91.0-91.8%, and the purity of the prepared barium hydroxide octahydrate reaches 97.5-98.7%.

The invention discloses a preparation method of a zinc-dihydromyricetin nano-enzyme and application of the zinc-dihydromyricetin nano-enzyme in preparation of drugs for promoting healing of diabetic wounds, and the zinc-dihydromyricetin metal polyphenol nano-enzyme (Zn-DHM) is obtained by coordinating a metal element zinc (Zn) and a natural product dihydromyricetin (DHM) through a one-step method by taking PVP as a surfactant. The Zn-DHM nano-enzyme prepared by the invention has antioxidant property and cell proliferation and migration promoting ability, and can maintain metabolism and immune homeostasis of diabetic wounds, so that the Zn-DHM nano-enzyme can accelerate early healing of the diabetic wounds.

The invention relates to the technical field of ceramics, in particular to a high-strength and high-whiteness transparent glaze, a ceramic and a preparation method thereof, and the high-strength and high-whiteness transparent glaze is prepared from the following raw materials in parts by weight: 25-30 parts of potassium feldspar, 10-15 parts of an additive doped with a quartz modifier, 10-15 parts of dolomite, 10-15 parts of Dehua kaolin and 5-9 parts of a reinforcing agent adjusted by modified chitosan liquid. According to the glaze disclosed by the invention, the potassium feldspar is matched with the dolomite and the Dehua kaolin, and the adding agent doped with the quartz modifier and the reinforcing agent adjusted by the modified chitosan liquid are coordinated, coordinated and synergistic, so that the transparency, the whiteness, the strength and the anti-fouling performance of the obtained glaze product are improved in a coordinated manner, and the ageing-resistant and solvent-resistant stability effects of the product are remarkable.

The invention relates to a gas well downhole jet enhanced multistage gas-liquid efficient separation device, which comprises a gas-liquid separation structure and a gas-liquid diversion structure, the gas-liquid separation structure comprises a lower outer pipe and an inner pipe, the lower outer pipe and the inner pipe are coaxially arranged, the upper end of the lower outer pipe and the lower end of the inner pipe are both provided with a liquid inlet, and the lower end of the inner pipe is provided with a liquid outlet. A first-stage spiral flow channel, a drainage inverted cone, a second-stage spiral flow channel and a drainage taper pipe are arranged in the inner pipe; the gas-liquid flow dividing structure comprises an upper outer pipe, a pump outer pipe, a fixing ring, a bypass flow channel and a bridge type channel, the upper outer pipe and the pump outer pipe are coaxially arranged, the upper end of the bridge type channel is connected with the upper outer pipe, the bypass flow channel is arranged below the bridge type channel and extends into an inner sleeve of the fixing ring, and an annular space between the bypass flow channel and the inner sleeve of the fixing ring is a flow guide cavity and is gradually shrunk. And the flow guide cavity is an annular gap between the bypass flow channel and the upper port of the fixed ring inner sleeve. Separated gas and liquid are separately discharged, a gas phase is ejected and discharged under the action of underground pressure, a liquid phase is pumped out, and the gas phase is not in contact with a pump body.

The invention discloses a method for preparing organic carboxylic ester through olefin hydroesterification, and belongs to the technical field of organic carboxylic ester preparation. According to the technical scheme, terminal olefin, CO and alcohol serve as reactants, organic carboxylic ester with one more carbon is generated under the action of an acid auxiliary with zwitterionic liquid serving as a solvent, a phosphine ligand and a catalyst of a Pd compound, the structure of the zwitterionic liquid simultaneously contains an imidazole group and a sulfonate group, and the structural formula of the zwitterionic liquid is shown in the description. The concentration of the zwitterionic liquid in the reaction system is the solvent amount; the molar ratio of the Pd compound to the ionic liquid is (0.1-1): (1000-10000), the molar ratio of the phosphine ligand to the ionic liquid is (0.1-1): (10-100), and the molar ratio of the acid to the ionic liquid is (0.1-1): (2-50). The method has the advantages of mild reaction conditions, wide raw material application range, high reaction activity, good stability and the like, and is a reaction system with a very good industrial application prospect.

The invention discloses an OMTD photoelectric mapping transparent display film with adjustable light transmittance and a preparation method, and belongs to the technical field of transparent display films. The transparent display film comprises an electric control dimming film layer, a fluorescent layer, an adhesive layer and a release material layer, wherein the fluorescent layer comprises the following raw materials in parts by weight: 80-100 parts of polyurethane resin, 2-5 parts of a fluorescent agent, 3-6 parts of a dispersing agent, 4-8 parts of a modified anti-aging agent, 1-10 parts of a curing agent and 200 parts of a solvent; according to the invention, p-phenylenediamine and 4-(diethylamino) salicylaldehyde react to prepare a fluorescent small molecule substance, and then the fluorescent small molecule substance is introduced into a polyurethane chain to finally prepare the fluorescent agent. The prepared transparent display film has excellent fluorescence performance, transparency and anti-aging performance.

The invention relates to the technical field of roof devices, in particular to an anti-blocking siphon roof drain which comprises a drain pipe. The mounting plate is fixedly connected to the upper part of the bucket pipe; the blocking net is fixedly connected to the mounting plate, and a containing cavity is formed in the upper portion of the blocking net; the mounting frame is fixedly connected to the top of the blocking net; the threaded rod is rotationally connected into the blocking net; the mounting ring is sleeved outside the threaded rod in a penetrating manner; the balls are in rolling connection with the mounting ring; the cleaning plate is fixedly connected to the mounting ring; the motor is fixedly connected in the accommodating cavity; and the spiral blade is rotationally connected in the mounting frame. By arranging the cleaning plate capable of moving up and down, intercepted sundries are fished out, the fished-out sundries are collected in the containing cavity in a unified mode in cooperation with the rotating spiral blade, the sundries are prevented from being sucked into the device in a direct sundry treatment mode, and the device is prevented from being blocked, so that the normal drainage function of the device is guaranteed, and the service life of the device is prolonged. The purpose of solving the problem that the normal function is affected by sundries is achieved.

The invention discloses preparation of flame-retardant high-toughness PMI foam, and relates to the technical field of high-performance materials. Methacrylic acid, methacrylonitrile, an initiator, a modifier, a foaming agent, a cross-linking agent and a nucleating agent are adopted as main raw materials, a reaction solution is obtained after thickening treatment, then the reaction solution is injected into a mold, and water bath polymerization reaction and heating foaming are performed to prepare the foaming agent. The PMI foam material prepared by the method has excellent flame retardance and high toughness, and is suitable for the fields of aerospace, rail transit and high-end structural materials.

The invention discloses a method for preparing a core-shell structure phase hydrorefining catalyst, comprising the following contents: (1) gelling, aging and filtering a first precipitant, a sodium molybdate solution and a solution containing Ni and Si to obtain a filter cake of a first slurry, and then treating it with a mixed aqueous solution of aluminum salt and organic alcohol to obtain a mixed slurry; (2) adding a Ni-containing solution, a sodium tungstate solution, a second precipitant and the mixed slurry obtained in step (1) to a reactor containing water and an oily liquid to gel and age them to generate a second slurry; (3) filtering, drying and molding the slurry to obtain a molded product; (4) soaking the molded product in an organic acid solution, and desalting the soaked molded product to obtain a catalyst. The preparation process of the method is clean and pollution-free, and the prepared catalyst has a core-shell structure, a large pore volume and a large pore size, and is used in processes such as distillate hydrodesulfurization and denitrogenation, and has high hydrodesulfurization and hydrodenitrogenation reaction performance.

The invention relates to a seismic data interpolation method based on Mama. The method comprises the following steps: constructing a data set required by training, verification and testing of the seismic data interpolation method; constructing a seismic data interpolation network based on Mama for recovering missing channels in the data; constructing a loss function; training a network model; testing the network model; and applying the network model. According to the method, global features are efficiently extracted through a plurality of dense state space modules, so that the problem of low density caused by seismic data missing and sparse acquisition is solved. According to the Mama model introduced by the method, global features can be captured, the data quality after interpolation is better, and the training time is remarkably shortened due to the lightweight design of the Mama model. Meanwhile, the dense connection in the invention enables the feature interaction between layers to be richer, and enables the features of the seismic data to be better utilized in each layer. According to the method, the calculation complexity and the time cost can be remarkably reduced while the integrity and the accuracy of the seismic data are improved.

The invention discloses synthesis of a cup crown compound adsorption material and a method for deeply and selectively extracting indium from an acid complex system, and belongs to the technical field of non-ferrous metallurgy. According to the synthesis of the cup-crown compound adsorption material and the method for deeply and selectively extracting indium from the acid complex system, based on the pre-organizability and complementary molecular design principle of subject-object chemistry, a 15-crown-5 ether subunit is introduced into a calix [4] arene structure to form a cup-crown supramolecular compound; and furthermore, the material is loaded on the surface of SiO2 particles to form a stable adsorption material, so that deep selective separation and extraction of indium in an acidic complex system can be realized.

The invention relates to the technical field of solar cells, in particular to a perovskite precursor solution, a perovskite solar cell and a preparation method of the perovskite solar cell. The perovskite precursor solution comprises a perovskite material, an additive and an organic solvent; wherein the additive comprises a compound containing pyrrolyl and carboxyl; the perovskite material is of an ABX3 structure, wherein A is a monovalent cation; b is a divalent cation including lead; and X is a monovalent anion. According to the application, the additive can be used for adjusting the film-forming crystallization process of perovskite, carboxyl of the additive and a perovskite material can form an intermediate, film-forming crystallization is delayed, the compactness and uniformity of a thin film are improved, and the film-forming quality is improved; in the large-area coating process, the solution fluidity is low, the time window is lengthened, and the film can grow uniformly; and the pyrrolyl has unsaturated nitrogen atoms, so that free Pb in the perovskite can be passivated, a passivation effect is achieved, and the performance of the device is improved.

The modification method for improving the strength of the AZO target material green body comprises the following steps: uniformly blending 35-40 parts of zinc oxide, 5-10 parts of aluminum oxide, 2-4 parts of polyethylene glycol, 1-3 parts of sodium carboxymethyl cellulose and 20-30 parts of water to obtain a matrix agent; the preparation method comprises the following steps: uniformly blending 3-5 parts of a wollastonite-doped modifier and 2-4 parts of a kaolin modifier, adding the mixture into a matrix agent, and finally carrying out ball milling at a rotating speed of 1000r / min for 1 hour to obtain a ball-milled material. The AZO target material green body can be obtained by blending and coordinating the matrix agent with the wollastonite-doped blending agent and the kaolin modifier and carrying out molding and heat treatment, and the strength and compactness performance of the prepared AZO target material green body are harmoniously improved.

The invention relates to the technical field of SBA materials, in particular to an SBA high-elastic composite material and a preparation method and application thereof.The SBA high-elastic composite material is prepared from, by weight, 45-50 parts of EVA, 30-35 parts of POE, 15-20 parts of SEBS, 8-12 parts of functional auxiliaries, 6-9 parts of modified filler, 3-5 parts of nano-zinc oxide, 2-3 parts of antioxidant, 1-3 parts of foaming agent, 2-3 parts of calcium stearate and 1-2 parts of cross-linking agent. According to the SBA high-elastic composite material, EVA, POE and SEBS are adopted as matrixes, nano-zinc oxide, the antioxidant, the foaming agent, calcium stearate and the cross-linking agent are added as auxiliaries, and meanwhile, the modified filler and the functional auxiliaries are blended, so that the tearing property, hardness and elastic property of the product are improved in a coordinated manner, and the scratch resistance, abrasion resistance and flex stability of the product are remarkable.

The invention relates to a kettle residue recovery process of methyl carbamate, and belongs to the technical field of chemical engineering, the kettle residue recovery process of methyl carbamate comprises the following steps: adding the kettle residue of methyl carbamate into water, stirring for dissolving, adding chloroform, extracting, standing for layering, taking an oil phase dissolved with methyl carbamate at the lower layer, cooling to room temperature, filtering, washing, and drying to obtain the methyl carbamate. Drying to constant weight to obtain recycled methyl carbamate; and adjusting the pH value of an upper water phase composed of impurities such as urea, biuret and triuret to 7.5-8 by using a pH regulator, introducing into a sealed reaction tank filled with a modified mesoporous molecular sieve, adsorbing at normal temperature and normal pressure, filtering, and treating the filtrate at 60-80 DEG C to obtain the recycled and treated urea. The whole preparation process is simple and controllable, and the methyl carbamate and the urea in the kettle residues of the methyl carbamate are recycled.

The invention relates to the technical field of drag reducer preparation, and in particular to a method for producing a salt-resistant drag reducer for oil well fracturing. S1.1, weighing the following raw materials in parts by weight: 27-32 parts by weight of a modified polymer, 0.6-1.1 parts by weight of a cross-linking agent, 0.1-0.3 parts by weight of an antioxidant, 2-6 parts by weight of an acetate buffer, 0.6-0.8 parts by weight of a surfactant, 0.02-0.04 parts by weight of a benzalkonium chloride biocide, and 0.2-0.4 parts by weight of a bentonite suspending agent; wherein, the modified The polymer is prepared by copolymerization of acrylamide, crotonic acid and acrylic acid phosphonate in a mass ratio of 7:2 to 4:10 to 13; S1.2, adding the above raw materials and continuously stirring to obtain a salt-resistant drag reducer; crotonic acid, acrylic acid phosphonate and acrylamide are used to prepare a modified polymer, and carboxyl and phosphonic acid groups are introduced into the polyacrylamide, thereby enhancing the water solubility of the polymer and, at the same time, improving the coordination ability of the modified polymer with the zirconium ions in the cross-linking agent, thereby improving the salt resistance and drag reduction effect of the modified polymer.

The invention belongs to the field of batteries, and particularly relates to a lithium ion battery electrolyte and application thereof. The lithium ion battery electrolyte provided by the invention comprises the following components: an organic solvent, a lithium salt and an additive, the additive comprises a compound with a structure as shown in a formula I and / or a compound with a structure as shown in a formula II. The electrolyte provided by the invention can be used for optimizing SEI membrane components of the lithium ion battery, improving the cycle coulombic efficiency of the lithium ion battery, improving the high-voltage tolerance of an SEI membrane and improving the high-temperature and high-voltage cycle performance of the lithium ion battery. # imgabs0 #

The invention relates to the technical field of ceramics, in particular to self-cleaning glaze using glaze frit, self-cleaning ceramic and a preparation method of the self-cleaning glaze. The self-cleaning glaze is prepared from the following raw materials in parts by weight: 15 to 20 parts of nano-hydroxyapatite modified difunctional body, 10 to 15 parts of glaze frit, 6 to 9 parts of modified filler, 4 to 7 parts of wollastonite and 3 to 5 parts of calcium carbonate. According to the frit for the glaze, the potassium feldspar, the nano zinc oxide, the calcite and the quartz are blended and coordinated, the frit for the glaze is prepared through blending of the raw materials, the frit for the glaze is matched with the difunctional body modified based on the nano hydroxyapatite, the modified filler, the wollastonite and the calcium carbonate, and through the co-matching and synergistic effect of the raw materials, the frit for the glaze is prepared. And the performance effect of the product is enhanced.

The invention provides a multi-type storage cluster dynamic nano-management method based on a cloud platform, and belongs to the technical field of cloud platform storage resource management, a storage pool is used as a minimum management unit, a configuration center provides a unified nano-management entrance and is associated with a platform initialization process, and initialization of standardized parameters such as a storage cluster IP, an account and the like is automatically completed; after management, block storage, file storage or object storage types and exclusive parameters thereof are configured for the storage pool according to business requirements, and available storage pools are screened according to binding relations when storage services are created, so that resource mismatching is avoided. Bidirectional synchronization is carried out between the operation and maintenance resource management module and the storage module through a full life cycle by using an equipment SN number, so that state consistency and traceability are realized; expansion of newly added storage pools, unbinding of the storage pools and resource recovery are supported, and the resource utilization rate and the operation and maintenance efficiency are improved.

The invention relates to the technical field of water-soluble fertilizers, in particular to a macroelement water-soluble fertilizer based on livestock and poultry breeding wastewater and a preparation method thereof, and the macroelement water-soluble fertilizer comprises the following raw materials in parts by weight: 50-60 parts of a breeding waste liquid concentrated base solution, 17-20 parts of amido nitrogen, 20-25 parts of potassium polymetaphosphate, 17-20 parts of phosphorus element, 17-20 parts of potassium oxide, 0.5-1 part of trace element boron, 0.5-1 part of trace element copper and 60-65 parts of solvent water. According to the macroelement water-soluble fertilizer disclosed by the invention, a base solution obtained by concentrating culture waste liquid is used as a matrix, the raw materials are coordinated, and the filling agent doped with the modified carbon nanotubes and the modified functional agent are added as blenders, so that the macroelement water-soluble fertilizer is prepared through the synergistic effect of the filling agent and the modified functional agent; the obtained water-soluble fertilizer product has obvious improvement effects on cotton crop disease resistance, seed cotton yield and fiber quality.

The invention relates to the technical field of packaging containers of products, and provides a container sealing device which comprises a container sealing device body formed by assembling an inner cover and a control cover, the inner cover is provided with a cover surrounding structure and a barrel surrounding structure which are of an annular barrel-shaped structure and connected together, the cover surrounding structure is provided with a first buckle, and a sealing piece is arranged at the head end of the barrel surrounding structure; a concave chamber structure and a supporting and pressing structure are arranged on the inner wall of the sealing piece; the tail end of the control cover is closed or is provided with a channel structure, the inner wall of the side wall of the control cover is provided with a second buckle, the inner wall of the tail end of the control cover is provided with a cavity cylinder or an arc-sheet-shaped structure, and the cavity cylinder or the arc-sheet-shaped structure is provided with a sharp structure and a rib sheet; the sharp structure is located in the concave chamber structure of the barrel surrounding structure, and the sharp structure can slide, cut, support and press from the concave chamber structure of the inner cover to open the sealing piece, so that materials in the container sealing device are released. In addition, the invention further provides a component of the container sealing device, a packaging container and application.

The invention discloses a magnetic flocculant and application thereof in a cutting fluid wastewater treatment process, and relates to the technical field of sewage treatment. The preparation method of the magnetic flocculant comprises the following steps: impregnating modified magnetic nanoparticles in chitosan-poly-silicon ferrotitanium sulfate, carrying out ultrasonic treatment for 30-40 minutes, sucking out by using a high-strength magnet, drying at 50-60 DEG C, and repeating the steps of impregnating, sucking out and drying for 3-5 times to obtain the magnetic flocculant. The prepared flocculant is combined with an existing magnetic separation device, suspended particles and colloidal substances in the waste liquid are gathered to form flocs, meanwhile, organic matter in the waste liquid is adsorbed, and the purpose of efficiently and rapidly treating the grinding waste liquid is achieved through the magnetic attraction effect.

The utility model belongs to the technical field of household appliances, and particularly relates to a coupler water feeding mechanism which comprises an upper connector, a water outlet pipe installed on an upper connecting seat, a water inlet pipe installed on a lower connecting seat, a sealing sleeve arranged between the water inlet pipe and the water outlet pipe, made of rubber materials and matched with a sealing piece through a spring. The valve has a sealing state and an opening state, the water inlet effect is achieved in the opening state, and the sealing effect is excellent in the sealing state.

The invention belongs to the technical field of adsorption materials, and particularly relates to a pyridine-polyether sulfone organic polymer as well as a preparation method and application thereof. The pyridine-polyether sulfone organic polymer has a structure as shown in a formula 1, R is a carboxyl pyridine group, and n is an integer from 30 to 100. According to the pyridine-polyether sulfone organic polymer disclosed by the invention, an organic ligand of acylated pyridine is embedded into a macromolecular skeleton of aminated polyether sulfone, so that the molecular weight and the structural stability of single pyridine are improved. Meanwhile, a hyperconjugated system formed by a pyridine group in acylated pyridine and a benzene ring in aminated polyether sulfone enhances the coordination stability between the pyridine-polyether sulfone organic polymer and heavy metal ions, and improves the adsorption efficiency of the pyridine-polyether sulfone organic polymer to the heavy metal ions. And # imgabs0 #.

The invention provides a treatment method of nickel-cobalt hydroxide, which comprises the following steps of: leaching the nickel-cobalt hydroxide by using a leaching agent containing ionic liquid and chloride, and filtering to obtain leachate and leaching residues; adding iron powder or manganese powder into the leachate to remove copper, and filtering to obtain copper sponge and copper-removed liquid; adding an alkaline regulator into the copper-removed liquid, and filtering to obtain iron and aluminum-removed liquid and iron and aluminum slag; carrying out counter-current extraction on the iron and aluminum removed liquid and P204 to obtain manganese-rich organic liquid and manganese extraction residual liquid; carrying out reverse extraction on the manganese-rich organic liquid with dilute sulfuric acid to obtain a manganese sulfate solution, wherein the manganese sulfate solution is used for preparing a ternary precursor or manganous-manganic oxide; carrying out countercurrent extraction on the manganese extraction raffinate and the co-extraction organic solvent to obtain a nickel-cobalt-loaded organic solvent and raffinate; carrying out reverse extraction on the nickel-cobalt-loaded organic solvent by dilute sulfuric acid to obtain a nickel-cobalt sulfate solution; the nickel-cobalt sulfate solution is used for preparing the ternary precursor after being deoiled. The nickel-cobalt hydroxide treatment method provided by the invention is low in auxiliary material consumption, low in treatment cost, green and environment-friendly.

The invention provides a large-scene video command tracking method and system and a medium, and the method comprises the steps: marking an erected array camera and a high-power dome camera image, obtaining a calibration point group, storing the calibration point group in a pre-marking library, marking all camera resources in a vision field to a panoramic video under the array camera, and carrying out the marking of all camera resources in the vision field; a user can directly look up and control the corresponding camera through different camera resources; a linkage target area is selected through panoramic video automatic identification or manual frame selection of a user, the center point of the target area is adopted as a target point B, and normalized coordinates of Q in a rotary table coordinate system are calculated based on scene geometry by using a homography transformation algorithm in combination with eight calibration point groups closest to the target point B; a specific PT parameter of Q is obtained in combination with a specific turntable hardware parameter, and a PTZ parameter corresponding to the dome camera is further obtained; and issuing the PTZ parameters corresponding to the dome cameras to the corresponding dome cameras for real-time tracking. According to the invention, the problems of small picture visual range, low pixel and poor target tracking effect in the prior art are solved.

The invention discloses a bimetallic atom catalyst with a Fe-Cu structure as well as a preparation method and application of the bimetallic atom catalyst, and belongs to the field of environmental remediation materials. The method comprises the following steps: (1) mixing and pretreating urea, 1, 10-phenanthroline, soluble iron salt and copper salt, and calcining in a nitrogen atmosphere; and (2) washing and drying the calcined product obtained in the step (1) to obtain the bimetallic atom catalyst with the Fe-Cu structure. The preparation method is simple in steps and easy to amplify, and the prepared monatomic catalyst has good performance of activating peroxymonosulfate (PMS).

This invention relates to a boron-doped multi-element polyanionic sodium-ion battery cathode material and its preparation method, comprising the following steps: [The method involves] mixing Na₄Fe₂O₃ with... 3‑X B X (PO4) 2‑Y (SiO4) Y The stoichiometric ratio of P2O7 is determined by adding ferrous source, boric acid, sodium source, phosphorus source, and silicon source to water, followed by the addition of carbon source and mixing thoroughly to obtain a mixed slurry; wherein 0.2≤X≤0.5, 0<Y≤1; the mixed slurry is then ground to obtain a sand-milled slurry; the sand-milled slurry is dried to obtain precursor powder; under a protective atmosphere, the precursor powder is sintered at 450~550℃ to obtain boron-doped multi-element polyanion sodium-ion battery cathode material. The introduction of boron and silicon elements in this invention helps reduce raw material costs, improve the electrochemical performance of the material, especially enhancing the structural stability, rate performance, and cycle life of the cathode material, and also lowers the sintering temperature, meeting the requirements for cost reduction and efficiency improvement.

The present invention relates to the technical field of functional material metal ion detection, and in particular to a molecular sensor and its application in detecting metal ions. The molecular sensor is easy to prepare and has good sensitivity to Cu 2+ 、Al 3+ and Fe 3+ With different fluorescence "on-off or off-on" and accurate UV absorption double peak ratio detection signal, it can realize the detection of Cu in PVC basketball material. 2+ 、Al 3+ and Fe 3+ Fast and sensitive detection.

The invention discloses a preparation method of a rotary metal target material. The preparation method comprises the following steps: weighing modified liquid in parts by weight: 2-5 parts of a sodium dodecyl benzene sulfonate solution, 1-3 parts of a silane coupling agent KH550, 2-4 parts of stearic acid, 4-7 parts of a sodium alginate blending yttrium agent and 2-5 parts of a blending agent; uniformly mixing and fully stirring a sodium dodecyl benzene sulfonate solution, a silane coupling agent KH550, stearic acid, a sodium alginate blending yttrium agent and a blending agent to obtain a modified solution; according to the rotating metal target material, niobium oxide powder is soaked into a modification solution to be stirred, then plasma spraying and sintering improvement are matched to obtain the rotating metal target material, and the modification solution is prepared from a sodium dodecyl benzene sulfonate solution, a silane coupling agent KH550, stearic acid, a sodium alginate blending yttrium agent and a blending agent through blending and cooperation. And the sodium alginate blending yttrium agent and the blending agent are blended and cooperated to achieve a common synergistic effect.