45 results about "Matrix solution" patented technology

The invention discloses a new error truncation-inverse finite element deformation reconstruction method based on sparse strain data, and relates to the technical field of structural deformation shape reconstruction. Through error truncation of a strain missing sampling area, a deformation hypothesis theory is introduced, lateral shear strain is ignored, a conversion matrix between an inverse finite element reconstruction solution and a real structure solution is established, a dummy deformation field function is substituted into a matrix relational expression between the inverse finite element reconstruction solution and the real structure solution, and the transformation matrix is obtained. Establishing a matrix solution equation between an inverse finite element reconstruction solution and a dummy deformation field function coefficient, directly solving according to input sparse strain data to obtain an optimal dummy deformation field function coefficient, and substituting the field function coefficient back into a dummy deformation field function to obtain real deformation of the structure; according to the new error truncation-inverse finite element deformation reconstruction method based on the sparse strain data, the matrix relation between the inverse finite element reconstruction solution and the real solution of the structure is constructed, the theoretical format is simple, and the applicability is high.

The application discloses a preparation method of a PPSU-based ZIF-8 double-layer membrane and application of the double-layer membrane in hydrogen separation, and belongs to the technical field of gas separation membranes. The preparation method is as follows: ZIF-8 seeds are embedded in a PPSU matrix solution, then are spin-coated onto the surface of an alpha-Al2O3 carrier to obtain a PPSU-based membrane, and secondary growth of the membrane is carried out through a solvothermal reaction, so that the seeds grow epitaxially, a continuous, dense and defect-free ZIF-8 separation layer is formed on the surface and the near-surface region of the carrier substrate, and the reaction is ended to obtain the double-layer membrane. Through the seed embedding strategy, the interface bonding force between the ZIF-8 layer and the PPSU substrate is significantly enhanced, and the generation of interface defects is effectively inhibited. The double-layer membrane has high permeation flux and high separation selectivity for a H2 / CO2 system, and is particularly suitable for hydrogen separation and purification processes.

The invention discloses a method for designing a mixed type boundary contour line of a progressive multi-focus ophthalmic lens, and belongs to the field of design of progressive multi-focus ophthalmic lenses. The method comprises the following steps: constructing a Laplacian equation, and selecting a mixed rectangular boundary as a boundary of the Laplacian equation; two nodes with adjustable positions are arranged on the right side edge of the second rectangular boundary; solving a Laplacian equation for the second rectangle by adopting a finite element method, and carrying out interpolation to obtain a contour line numerical matrix solution of the second rectangle; and combining the contour line numerical solutions of the first rectangle, the second rectangle and the third rectangle to obtain a contour line function numerical matrix solution of the hybrid rectangular region. According to the invention, the contour line mixed type boundary design method is utilized to greatly improve the use range of the far vision area and the near vision area of the ophthalmic lens again, reduce the astigmatism area and improve the optical performance of the lens; the contour line mixed type boundary design method provided by the invention can also be applied to the personalized design aspect of progressive multi-focus spectacle lenses.

The invention discloses a seismic source positioning method considering the influence of an abnormal value and a dynamic wave velocity, and the method comprises the steps: arranging sensors to detect sound waves emitted by a seismic source, and observing the time when the sound waves reach each sensor; subtracting the control equation established based on the reference sensor from the control equation established based on the measurement sensor, and carrying out linearization and matrix representation on a nonlinear equation line obtained by subtraction; the matrix is solved, an analytic solution enabling the sum of squares of the residual errors to be minimum is found, the obtained analytic solution is substituted into an overdetermined matrix equation to obtain a fitting model, and weight estimation is conducted according to the relation between the residual errors and weights; iteration is carried out between weight estimation and overdetermined matrix solving, after optimal weight estimation is obtained, overdetermined matrix solving is completed according to the optimal weight, and a final seismic source positioning result is obtained based on an analytical solution. According to the method, the technical problem that the influence of abnormal values and wave velocity measurement errors on the seismic source positioning precision in a complex engineering environment is large is solved, and the fault tolerance and the real-time performance of seismic source positioning are improved.

The invention discloses an environment-triggered memristor with a nonvolatile storage function and a preparation method thereof, and the method comprises the steps: 1, adding polymer matrix powder with a hydrophilic group into an acetic acid solution, stirring to obtain a polymer matrix solution, taking inorganic salt with a moisture absorption characteristic, adding the inorganic salt into the polymer matrix solution, carrying out ultrasonic treatment, and filtering to obtain a polymer matrix solution; a precursor solution is obtained; 2, cleaning and blow-drying the flexible PI film with the ITO conductive layer to obtain a clean substrate; 3, spin-coating the precursor solution on the surface of an ITO conducting layer of a clean substrate, airing and drying to form a high-salt doped polymer matrix layer on the surface of the ITO conducting layer; and 4, sequentially sputtering active metal and protective metal on the surface of the high-salt doped polymer matrix layer to respectively form an active metal layer and a metal protective layer, thereby obtaining the environment-triggered memristor with the nonvolatile storage function. According to the invention, the coupling of environment threshold sensing and nonvolatile storage is realized, and the environment adaptability and safety of the memristor are improved.

This invention relates to a kit for the quantitative detection of IGF-1 and its preparation and detection method. The kit includes calibrators, quality control materials, internal standard solution, immunoenrichment solution, dissociation solution, elution solution, mobile phase 1, and mobile phase 2. This invention enables fully automated top-down detection of intact IGF-1 protein, significantly improving sample processing efficiency. The matrix solution used in the kit preparation employs human serum with endogenous IGF-1 removed, maximally mimicking the in vivo environment and reducing detection bias caused by different matrix components. The elution buffer uses a formic acid-hydrochloric acid mixed acid-acetonitrile system. This system provides a mild ionization environment through formic acid, and the synergistic effect of hydrochloric acid in stabilizing the solution pH reduces ion inhibition effects, improves the IGF-1 response signal, and thus enhances the signal-to-noise ratio of the detection.

The application discloses a kind of matrix spraying parameter optimization method and system for mass spectrometry imaging, it is related to deep learning technical field, including: the optical image of the surface of tissue section is collected, is evenly divided into multiple grid units arranged according to row and column, optical reflectivity value is extracted, and optical reflectivity distribution diagram is constituted;Pretreatment is carried out and the hydrophilic-hydrophobic index of each grid unit is calculated;Spraying parameter prediction model outputs nozzle moving speed prediction value;Adjacent grid units in the same row and the difference of nozzle moving speed prediction value are within the preset tolerance range, and the grid units are merged into the same spraying area, the average value of the nozzle moving speed prediction value of all grid units is used as initial optimized nozzle moving speed;Optimized nozzle moving speed is obtained by correction, and the surface of tissue section is differentially sprayed with matrix solution.The technical problem that the present application solves is that the surface of the tissue is different in hydrophilic-hydrophobic, which leads to uneven spraying and low spatial resolution consistency of mass spectrometry imaging.

The invention discloses a self-adaptive self-repairing optical packaging film material, a preparation method thereof and an MLED packaging method, and belongs to flip chip COB packaging. The membrane material comprises the following components: an SEBS / TPU composite elastomer matrix, a surface-modified boron nitride nanosheet, a dynamic acylhydrazone bond microcapsule and a fluorine-containing siloxane oligomer. Mixing the SEBS / TPU composite elastomer matrix solution, the surface-modified boron nitride nanosheet, the dynamic acylhydrazone bond microcapsule and the fluorine-containing siloxane oligomer in proportion, carrying out planetary stirring and vacuum defoaming, and carrying out tape casting and curing to form a film; according to the invention, synergism and balance of mechanical self-adaption, self-repairing and high optical performance are realized, and the requirement of photoelectric packaging on the comprehensive performance of the material can be met; the problem that the performance of an optical packaging film material cannot be considered at present is solved.

The application belongs to the field of digital information transmission, and particularly discloses an encoding matrix solving method based on iterative conjugate gradient for digital communication. The method generates an initial matrix and evaluates a condition number through channel state sensing; a compensation matrix is constructed by using an adaptive preconditioning operator to perform spatial transformation; a multi-dimensional momentum gradient iteration is adopted to introduce historical momentum to suppress swing; and a closed-loop solution is realized by combining dynamic step optimization, solution vector updating and correction, and adaptive convergence determination. The application reduces the matrix condition number, enhances the robustness in a noisy environment, guarantees high fidelity, improves the operation efficiency, and reduces the system calculation time delay and power consumption.

The application discloses a kind of industrial internet of things-oriented blockchain transaction storage allocation method, belong to blockchain and industrial internet of things technical field.The method includes: the storage allocation problem of transaction data of DAG blockchain is established nonlinear programming model;The programming model is decomposed into sub-problems "best number solution" and "allocation matrix solution";Design a kind of solution algorithm based on breadth-first traversal, obtain the best transaction number that each edge node should store;Design a kind of solution algorithm based on greedy search, obtain the final transaction storage allocation scheme.The invention can solve the shortcoming that the capacity of edge device is not considered in the achievement GpDB, and the security of the system is also considered when solving, the solution algorithm of the two sub-problems not only has good optimization characteristics, but also has high execution efficiency.The application has important significance for promoting the integration development of industrial internet of things and blockchain technology.

The invention discloses a composite solution for treating reflux esophagitis and a preparation method and application thereof, and relates to the technical field of pharmaceutical preparations, the composite solution is formed by physically mixing drug-loaded microspheres and a gastric buoyant raft matrix solution; wherein the drug-loaded microspheres are solid particles which take thiolated pectin as a carrier, are crosslinked and cured through divalent metal ions and are coated with a periplaneta americana extract; the gastric buoyant raft matrix solution comprises a hydrophilic colloid, a component capable of generating gas when encountering acid and a stabilizer. The magnesium mercapto pectin microspheres provide excellent mucous membrane adhesion, and the acting time of the medicine on the esophageal focus is prolonged; the gastric buoyant raft substrate forms a physical barrier in a gastric acid environment to inhibit regurgitation of gastric contents. Through cooperation of the two, a dual treatment mechanism of local repair and source control is realized. The preparation can remarkably prolong the in-vivo residence time and effectively promote esophageal mucosa healing, and the curative effect is better than that of a pure periplaneta americana extract preparation.

The invention relates to an ultrasonic hollow plane array focusing method based on pseudo-inverse matrix solution, and belongs to the technical field of man-machine interaction and virtual reality. Based on a sound pressure radiation model of a circular piston, sound pressure distribution characteristics generated by a single emitter in a sound field are established, a mathematical relationship between the total sound field sound pressure of the whole array and excitation amplitudes of all the emitters is derived on the basis, and an ideal sound field distribution target is set, so that the sound field of the array is obtained. And inversely solving the optimal amplitude configuration of each transmitter by adopting a pseudo-inverse matrix algorithm so as to control the sound field. The method is used for solving the problems that focusing energy is dispersed and the focus shape tends to be oval due to the fact that the side lobe is too large during single-point focusing of the hollow plane ultrasonic array, the side lobe level is remarkably restrained, the focus energy concentration ratio and shape regularity are improved, and the focusing performance of the hollow plane array is effectively improved.

The invention discloses a multi-suspended-span elastic bearing fluid conveying pipe stability parameter prediction method, and relates to the technical field of fluid conveying pipe vibration characteristic analysis. A multi-suspended-span pipeline is divided into a plurality of independent pipe sections at the supporting position, vibration control equations for describing all the suspended-span pipelines are established respectively, and the vibration control equations only consider the coupling effect of bending force, centrifugal force, gravity, Coriolis force and inertia force of the pipeline and do not contain any middle supporting constraint term; the intermediate support constraint is completely written into the cross-coupling boundary condition, so that the defects that the traditional Dirac function method is fuzzy in significance and the numerical calculation is difficult to converge are avoided; carrying out dimensionless processing on an oscillatory differential equation by introducing a dimensionless parameter, deducing to obtain a characteristic equation, a characteristic function and a characteristic value under the complex boundary condition by combining the end elastic boundary and the cross coupling constraint, converting a partial differential equation into an ordinary differential equation set, and carrying out matrix solution, so as to obtain an oscillatory differential equation set; and finally, an accurate prediction value of the inherent frequency can be obtained.

The disclosure is directed toward a method to efficiently perform a large language model operation by reducing the memory and computation resources for operating on a matrix such as a weight matrix. The weight matrix may be included in operations such as the head attention function of the large language model. The weight matrix is decomposed into multiple submatrices that each include a set of weights from the weight matrix. An input of the large language model is provided. A submatrix solution for the submatrix is determined from the input and the set of weights of the submatrix. The determining of a solution is repeated for each of the submatrices to provide multiple submatrix solutions. The resulting submatrix solutions are combined to obtain a matrix solution for the weight matrix.

Embodiments of the present application disclose a RS decoding hardware implementation method, an electronic device and a storage medium, comprising obtaining positions of A lost data blocks, positions of A required check blocks and an original coefficient matrix, wherein A is less than or equal to M, and M is the number of original check blocks; extracting corresponding row and column coefficients from the original coefficient matrix according to the positions of the A data blocks and the positions of the A check blocks, generating an M-order coefficient matrix according to the row and column coefficients, and calculating an inverse matrix of the M-order coefficient matrix; generating new M check blocks according to the positions of the A check blocks, and recovering the A lost data blocks according to the new M check blocks, the original M check blocks and the inverse matrix. The present application reduces the original N-order inverse matrix solution to an M-order inverse matrix solution, greatly reducing the hardware implementation complexity.

The present application relates to the technical field of solid-state battery, and discloses a porous framework enhanced composite solid-state electrolyte layer, which comprises a three-dimensional porous ceramic framework, a polymer electrolyte matrix filled in the pores of the three-dimensional porous ceramic framework, a gradient interface layer located at the positive electrode side, an oxide dense modification layer covering the gradient interface layer, and a flexible buffer layer located at the negative electrode side. The preparation method comprises three-dimensional porous ceramic framework preparation, polymer electrolyte matrix solution preparation, vacuum impregnation composite molding, gradient interface layer construction, oxide dense modification layer preparation, and negative electrode side flexible buffer layer preparation. The solid-state electrolyte layer provided by the present application can realize long cycle, high rate and high safety performance of the semi-solid-state battery, and the method process is simple and easy to implement in industrialization.

The application relates to the technical field of SCGD-OES online detection, and specifically provides a multi-element online quantitative method, system, equipment and medium of a high-salt matrix solution, which comprises the following steps: synchronously collecting multi-modal data; constructing a state vector according to the multi-modal data; calculating a stability index through robust principal component analysis and Mahalanobis distance; combining with working condition parameters to distinguish the working condition and the stability state; and adaptively selecting a quantitative analysis mode; under the working condition constraint, inputting spectral line characteristics into a segmented weighted least square regression model which is fused with monotonicity constraint, multi-spectral line consistency and self-absorption / quenching penalty term, compensating for the matrix effect and calculating the concentration; and finally, fusing the stability index, spectral line consistency deviation and model residual error to calculate the comprehensive confidence, and outputting the concentration and the confidence. The application improves the accuracy, robustness and result reliability of multi-element online analysis under high-salt, dynamic and nonlinear complex working conditions.

The invention belongs to the field of composite materials, and discloses a composite material based on Field metal and PVB as well as a preparation method and application of the composite material. The preparation method comprises the following steps: S1, shearing Field metal at a high speed under the action of an acetic acid / diethylene glycol mixed solution, rapidly cooling, filtering and washing to prepare Field metal core-shell particles; s2, PVB is dissolved in ethyl alcohol, a plasticizer is added, and after the plasticizer is dissolved and dispersed uniformly, a PVB matrix solution is prepared; and S3, adding the Field metal core-shell particles prepared in the step S1 into the PVB matrix solution prepared in the step S2 to prepare the composite material. The composite material prepared by the invention has good mechanical responsiveness, excellent electrical conductivity and thermal conductivity, has a hydrophilic surface, and is suitable for wearable equipment.

The invention provides a subject-object interface assembled double-ligand MOF and PVA mixed matrix membrane, which is prepared by the following steps: jointly dissolving metal salt and amino acid in deionized water, carrying out ultrasonic treatment, adding a solubilizer, carrying out ultrasonic treatment, adding an active substance, carrying out ultrasonic treatment, carrying out hydrothermal reaction on the obtained mixture at 60-100 DEG C for 1-3 hours, centrifuging to take a solid, and drying to obtain the subject-object interface assembled double-ligand MOF and PVA mixed matrix membrane. Washing with ethanol, and drying to obtain a subject-object interface assembled double-ligand MOF (Metal Organic Framework); dispersing the film-forming matrix in deionized water, and performing water bath at 60-100 DEG C for 1-3 hours to obtain a film-forming matrix solution; adding the host-guest interface assembled double-ligand MOF into the film-forming matrix solution, uniformly stirring to obtain a film-forming solution, carrying out tape casting on the film-forming solution, and drying to obtain a host-guest interface assembled double-ligand MOF (at) PVA mixed matrix film; the preservative is safe and non-toxic, has good hydrophobic property, barrier property and remarkable antibacterial property, and lays a solid and reliable foundation for deep research in the field of preservation.

The invention relates to an MALDI-TOF (Matrix-Assisted Laser Desorption / Ionization Time of Flight) mass spectrometry-based nano micro-plastic rapid screening method, which comprises the following steps: pretreating solid samples such as garbage and soil and liquid samples such as percolate and underground water, and enriching nano micro-plastic solid particles; adding an organic solvent into the solid particles for dissolving to obtain a micro-plastic sample solution; respectively dissolving an imaging matrix and a cationizing agent in the organic solvent to form a matrix solution and a cationizing agent solution, and mixing the matrix solution, the cationizing agent solution and the matrix solution according to the mass ratio of (9-11): (9-11): 1; and after the mixed solution is spotted on a target plate for natural crystallization, a spectrum is collected by an MALDI-TOF mass spectrometer, and a characteristic signal is analyzed. The method breaks through the limitation that only large-particle-size micro-plastics can be detected in the prior art, realizes accurate identification of nano-scale micro-plastics with the particle size less than 1 micron, widens the screening medium range, greatly shortens the analysis period, and meets the rapid and accurate screening requirements of new pollutant risk prevention and control.

The invention discloses a method for detecting monosaccharide / oligosaccharide based on 6-aminoquinoxaline assisted laser desorption ionization mass spectrometry, and belongs to the technical field of monosaccharide and oligosaccharide detection methods. A mixed solution of a 6-aminoquinoxaline matrix solution and a to-be-detected sample is dripped on a target plate, and a matrix-assisted laser desorption ionization time-of-flight mass spectrometer is used for mass spectrometry detection for rapid analysis of monosaccharides and oligosaccharides in the sample. The 6-aminoquinoxaline not only can be used as a reactive matrix to efficiently derive monosaccharide and reducing sugar with the polymerization degree of 2-10, but also can remarkably promote the ionization efficiency of non-reducing sugar, and has the advantages of high sensitivity, high universality, low cost, low background interference, uniform crystallization with an analyte and the like; the problems that a traditional organic matrix is uneven in crystallization, and the signal-to-noise ratio of mono / oligosaccharide detection is low are solved. 6-aminoquinoxaline is taken as a matrix, so that high-efficiency detection of monosaccharide and oligosaccharide in a complex sample by an MALDI-MS (matrix-assisted laser desorption ionization-mass spectrometry) method can be realized, and the method has a good application prospect in the fields of medicine, food, medicines and the like.

To enable a user to easily prepare a highly uniform crystal in which a sample and a matrix are mixed in the preparation of the sample in mass spectrometry by a MALDI (matrix-assisted laser desorption ionization) method.SOLUTION: A sample preparation method in mass spectrometry by a MALDI method includes a step S12 of preparing a mixed solution of a liquid containing a compound to be subjected to mass spectrometry and a matrix liquid on a sample plate, and a step S10 and a S14 of adjusting the temperature of the sample plate to a temperature within a preparation range. The temperature in the preparation range is 30-60 °C.SELECTED DRAWING: Figure 4

The invention provides an organic silicon adhesive for a high-temperature-resistant mica tape and a preparation method of the organic silicon adhesive. The adhesive is prepared from 40 to 50 parts of diphenyl siloxane-dimethyl siloxane block copolymer, 5 to 8 parts of vinyltriethoxysilane, 2 to 3 parts of tetra (trimethylsiloxy) titanate, 1 to 2 parts of tripropyl borate, 5 to 12 parts of filler, 3 to 5 parts of cerium-doped zirconium oxide temperature-resistant agent, 1 to 3 parts of defoaming agent, 0.5 to 3 parts of flatting agent and 0.5 to 2 parts of initiator. The preparation method comprises the steps of synthesis of a matrix solution, uniform mixing of filler, vacuum defoaming, prepolymer activation and the like, cerium-doped zirconium oxide is used for capturing high-temperature free radicals and forming a dynamic oxygen barrier, and meanwhile, a block copolymer and an inorganic-organic hybrid network synergistically enhance the thermal stability; and after the prepared mica tape is aged for 12 hours at the constant temperature of 300 DEG C, the bonding strength attenuation rate is less than or equal to 15%, and is obviously superior to that of a traditional silicon resin adhesive.

The invention discloses a full-wave simulation method and device of a strip line structure, electronic equipment and a storage medium. The full-wave simulation method for the strip line structure comprises the following steps: modeling an interconnection condition of the strip line structure through a full-wave layered interconnection solution method, and solving an electromagnetic field Green function of a layered interconnection structure; filling in reaction matrix elements generated by a moment method; solving a moment method reaction matrix by adopting a conjugate gradient method, wherein the moment method reaction matrix is a sparse matrix generated in the modeling process; and on the basis of the obtained matrix solution and the model, performing result description on the strip line structure, which is expressed as an S parameter, near-end crosstalk and far-end crosstalk of the strip line structure. According to the full-wave simulation method of the strip line structure provided by the embodiment of the invention, the calculation process in the simulation process is simplified, the data processing amount and the calculation amount are greatly reduced, the time consumption of the whole simulation process is shortened, and the full-wave simulation efficiency of the strip line structure is improved.

The invention discloses an unmanned aerial vehicle cluster task allocation method based on a multi-target genetic algorithm, and relates to the technical field of unmanned aerial vehicles, and the method comprises the following steps: obtaining unmanned aerial vehicle cluster information, task information and environment information; modeling a task allocation problem, and setting a plurality of objective functions; initial parameters of a genetic algorithm are set, and a population is initialized by constructing a binary coding matrix form solution; constructing and executing a mutation operator and a crossover operator of the genetic algorithm to obtain a new population; the fitness of the new population is calculated, and a new offspring population is obtained from the current population through a multi-objective optimization algorithm; performing iterative optimization to obtain a task allocation result of the unmanned aerial vehicle cluster; a binary matrix solution carrying task sequence information and crossover and mutation operators thereof are designed, meanwhile, a linear flight and circular obstacle area collision detection method is combined, the calculation speed and accuracy of collision detection are improved, and finally a group of optimal solutions are formed to provide more optimal schemes for decision makers.

The invention relates to the technical field of disinfectants, and discloses a controllable slow-release peracetic acid disinfectant and a preparation process thereof, and the disinfectant is prepared from peracetic acid equilibrium liquid, boric acid, polyol, polyaspartic acid solution and other raw materials. The structure is characterized in that peroxyacetic acid and boric acid form a reversible complex, and the reversible complex is dispersed in a continuous phase matrix with polyol as a main body as a dispersion phase. The preparation process adopts a step-by-step heterogeneous compounding method, and comprises the following steps: firstly, independently preparing an activation complexing solution containing a peracetic acid-boric acid complex; then independently preparing a matrix solution containing polyhydric alcohol and polyaspartic acid; and finally, dispersing the activated complexing solution into a matrix solution under the shearing action, curing and adjusting the pH value to obtain a final product. The process avoids the loss of active matters in the preparation process. The disinfectant has the advantages that the storage stability is high, the active matter can be continuously and slowly released, and the release rate has environmental ion strength responsiveness.

The invention belongs to the field of digital information transmission, and particularly discloses an iterative conjugate gradient-based coding matrix solving method for digital communication. The method comprises the following steps: generating an initial matrix through channel state sensing and evaluating a condition number; constructing a compensation matrix by using a self-adaptive precondition operator to execute spatial transformation; adopting multi-dimensional momentum gradient iteration to introduce historical momentum to suppress swinging; and realizing closed-loop solution by combining dynamic step length optimization, solution vector updating and correction and adaptive convergence judgment. According to the method, the number of matrix conditions is reduced, the robustness in a noise environment is enhanced, the operation efficiency is improved while high fidelity is ensured, and the calculation time delay and power consumption of the system are reduced.

The application discloses a structure-adjustable flexible nylon 11 piezoelectric separation fiber membrane and a preparation method and application thereof. The specific preparation method is as follows: (1) nylon 11 particles and inorganic nano fillers are added into a cosolvent system to react, and a homogeneous matrix solution A is prepared; (2) nylon 11 particles and polyethylene glycol are added into the cosolvent system to react, and a homogeneous matrix solution B is prepared; (3) the homogeneous matrix solutions A and B are defoamed, and then coaxial electrospinning is performed to form a membrane, and a structure-adjustable flexible nylon 11 piezoelectric separation fiber membrane is prepared. The application has the advantages of simple technology, flexibility, light weight, variable and controllable structure, adjustable piezoelectric active crystal phase, and high force-electricity output performance, effectively solves the problems of limited mechanical properties, poor flexibility, easy folding, large volume ratio, uncontrollable structure, low force-electricity output and the like of existing materials, and has great potential application prospect in energy storage equipment, emergency energy supply and micro intelligent wearable energy system.

This application discloses a taratin waste residue hydrogel membrane and its preparation method and application. The method includes: S100, pretreating the taratin waste residue and modifying it using an alkali activation method to obtain modified taratin waste residue; S200, preparing a matrix solution using a water-soluble polymer matrix and adding the modified taratin waste residue to the matrix solution, then dispersing and mechanically stirring to obtain a uniform mixture; S300, pouring the mixture into a mold for spreading and allowing it to stand for 24-48 hours to obtain the taratin waste residue hydrogel membrane. This application uses tannic acid in the taratin waste residue as a crosslinking agent, fully utilizing the active groups in the waste residue to form a multi-site hydrogen-bonded complex hydrogel membrane with polymers, thereby improving the mechanical strength and adsorption performance of the hydrogel membrane; the preparation method is simple, green, and mild.