29results about How to "Broad application space" patented technology

The invention discloses low-viscosity modified rubber asphalt. The low-viscosity modified rubber asphalt is prepared from the following raw materials in parts by weight: 78 to 85 parts of modified asphalt, 10 to 17 parts of activated rubber powder, 12 to 15 parts of styrene-butadiene-styrene block copolymer and 12 to 15 parts of softening oil. Hydrogen peroxide, ferrous sulfate, polyvinylpyrrolidone and microwave radiation are combined to activate waste tire rubber powder, so that vulcanized rubber on the surface of the rubber powder is depolymerized, the adhesion and compatibility of the rubber powder and a matrix are improved, and the rubber powder can be uniformly dispersed in asphalt molecules, adsorb light components in the asphalt molecules and swell to form a bonding structure; the matrix asphalt is modified by expanded graphite, tetrabutyl titanate, glacial acetic acid and silicone oil, so that the thermal stability of the asphalt can be improved, and the smoke release can be reduced. After the modification reaction, the finally prepared modified rubber asphalt has the characteristics of low viscosity, low odor and high thermal stability.

The invention relates to the technical field of aero-engine titanium alloy rotor blade repair, in particular to a stress regulation and control method for improving fatigue strength of a titanium alloy rotor blade after welding repair, which comprises the following steps: vacuum heat treatment, self-adaptive machining, first vibration finishing, laser shock peening, shot peening and second vibration finishing. Performing vacuum heat treatment on the blade subjected to electron beam welding repair; a machining program is compiled, machining is conducted on the patch repairing area, and the blade with the profile size meeting the use requirement is obtained; and after the first time of vibration finishing, laser strengthening equipment is used for carrying out laser strengthening on the blade area needing to be strengthened, shot blasting is carried out, then second time of vibration finishing is carried out, and the stress regulation and control method is completed. The vibration fatigue strength of the repaired blade is improved by 30% compared with that of a welding heating treatment process, the service life of the blade is effectively prolonged, the use performance requirement of parts is met, the maintenance and part replacement cost of an aero-engine is reduced, and the method has large economic benefits.

The invention relates to a preparation method of a high-performance soybean protein emulsion film, which comprises the step of carrying out fibrosis denaturation on soybean protein by adopting an acetic acid-water binary solution, so that the hydrophobic property, the film-forming ability and the environmental interference resistance of the soybean protein can be remarkably improved. And further starting from a protein self-assembly fibrosis principle and a protein film forming theory, a soybean protein-based biological membrane with certain mechanical strength and flexibility is constructed through self-assembly fibrosis denaturation of protein molecules in an aqueous solution, so that the problems of poor mechanical property and high solubility of the existing protein-based biological membrane are effectively solved.

The invention relates to the technical field of degradable plastics, and particularly discloses a starch-based biodegradable plastic and a preparation method thereof.The preparation method includes the steps that high-amylose starch (such as corn, potatoes and cassava) is selected as a raw material and cleaned, dried and ground to obtain starch powder, a natural plasticizer (such as glycerin) is added to improve the flexibility, and the starch-based biodegradable plastic is obtained; a chemical cross-linking agent (such as glutaraldehyde) is used for enhancing the strength and the heat stability, an antioxidant (such as vitamin E) and an antibacterial agent (such as tea polyphenol) are used as additives, and the mass ratio of the antioxidant to the antibacterial agent is (0.6-0.85): (0.05-0.2): (0.005-0.03): (0.001-0.01): (0.001-0.005). The starch-based bioplastic prepared by the invention has good degradation performance and adjustability, is particularly suitable for the fields of disposable packaging, agricultural films, medical materials and the like, has a natural antibacterial function and ultraviolet protection capability, has huge application potential in the fields of medical treatment, food packaging and environmental protection, and has wide application prospects. The advantages of the starch-based plastic in agricultural application are also realized.

The application discloses a prediction method for the relationship between welding repair defects and fatigue life of TC17 titanium alloy blades, and comprises the following steps: step one, establishing a fatigue life prediction model related to repair defects; step two, preparing a rotary bending fatigue sample; step three, heat treating a surfacing sample; step four, processing the rotary bending fatigue sample; step five, testing the rotary bending fatigue; step six, analyzing a fracture and counting defects; and step seven, establishing a rotary bending fatigue life prediction model. The application selects an electric arc welding wire repair test block, tests the rotary bending fatigue performance of the test block, observes and counts the defect morphology, size and position of the fracture, analyzes the corresponding relationship between the defects and the fatigue life, establishes a fatigue life prediction model related to the repair defects, and determines the influence of the pore defects on the fatigue life of the repaired blade through the model.

The present invention belongs to the field of fluorescence imaging technology, and specifically relates to a compound with lysosome and mitochondria dual-color imaging function, and a preparation method and application thereof. The compound provided by the present invention has different excitation wavelengths under different acid-base environments, has fluorescence of different colors, and can be used to prepare fluorescent probes for simultaneous imaging of different organelles. The fluorescent probe provided by the present invention can simultaneously dual-color image lysosomes and mitochondria in living cells or in vivo, showing green fluorescence in lysosomes and red fluorescence in mitochondria, and can monitor lysosomes and mitochondria in real time in living biological samples. At the same time, the fluorescent probe can avoid the problems of mutual interference, groping for staining conditions, etc. when using commercial probes to study lysosomes and mitochondria. In addition, the preparation process of the fluorescent probe is simple, the cost is low, and the structure is stable and easy to store, and it has a broad application space in the study of lysosome and mitochondrial biological functions.

The present application relates to the technical field of molecular sieve, in particular to a kind of self-supporting MFI nanosheet molecular sieve and its preparation method and purposes, the preparation method of the self-supporting MFI nanosheet molecular sieve includes the following steps: 1) after mixing silicon source, aluminium source, alkali source, template agent and water, obtain gel mixture;2) the gel mixture obtained in step 1) is crystallized, i.e. the self-supporting MFI nanosheet molecular sieve is obtained;Wherein, the template agent is imidazolyl quaternary ammonium salt compound.The self-supporting MFI nanosheet molecular sieve prepared in the present application does not need expensive surfactant, no phosphorus species is left in channel after calcination, the range of silicon-aluminum ratio is wide, and it is simple and easy to repeat.

The invention discloses a mold locking force setting method for pull rod stress balance of a plastic injection molding machine, which is used for solving the problem that the set mold locking force is not uniformly distributed on four pull rods or the set value exceeds the actually required mold locking force due to the fact that the geometric center of a mold cavity does not coincide with the mold locking center of a machine. The mold clamping force setting method comprises the following steps: (1) reading the projection area of a mold cavity including a runner system on a parting surface; and (2) calculating the mold expanding force of the melt on the mold cavity. And (3) calculating the calculated mold clamping force when mold expansion does not occur and a qualified product is formed. And (4) judging whether the projection pattern of the mold cavity on the parting surface is centrosymmetric about the center of the main runner of the gating system or not. And (5) calculating the set clamping force when the central positions coincide. And (6) calculating the set clamping force when the central positions are not overlapped. According to the invention, two conditions that the center of the clamping force coincides with or does not coincide with the centers of the four pull rods are considered, and the clamping force can be set as required, so that the four pull rods are uniformly stressed, the service lives of equipment and a mold are prolonged, and particularly, the stable operation of the main force-bearing component pull rods for the clamping force of the injection molding machine is protected; and the stability of the production process and the product quality are ensured, so that the method has wide application space.

The utility model discloses a lathe positioning tool, which belongs to the field of lathe tools and is characterized in that a ball screw component is mounted at the edge of the lower end of a partition plate, a connecting rod is mounted on a moving table of the ball screw component, the connecting rod penetrates through a kidney-shaped hole formed in the partition plate to be connected with a connecting strip, and the connecting strip is fixed with two mounting seats; a rotating handle is arranged at the outer end of the ball screw assembly, a moving table on the ball screw assembly is adjusted by rotating the rotating handle, then the position of a pulley on the sliding rail is adjusted, and therefore the relative position of the positioning chuck and the connecting base is finely adjusted. And the positioning flexibility is also greatly enhanced by introducing a fine adjustment structure. Due to the fact that each positioning clamping block can be independently adjusted, and the design of the sliding rail and the ball screw assembly allows the positioning chucks to freely move in multiple directions, the tool can easily cope with workpieces of different shapes and sizes, and diversified positioning requirements are met. The flexibility endows the tool with a wider application space, so that the tool can adapt to challenges of various machining tasks.

The invention discloses a hyperbranched organic silicon modified high-strength polyether type ablation-resistant elastomer and a preparation method thereof. The elastomer comprises a component A and a component B, wherein the mass percentage ratio of the component A to the component B is (10-90%): (90-10%); the component A mainly comprises the following raw materials: hyperbranched organic silicon resin and a catalyst; the raw material of the component B mainly comprises silane-terminated polyether; and the component A and the component B can also comprise a filler. The organosilicone elastomer can be obtained by mixing, stirring and curing the silane-terminated polyether and the hyperbranched organosilicone resin in proportion. According to the elastomer disclosed by the invention, the hyperbranched organic silicon resin is used as a hard segment, and the silane-terminated polyether is used as a soft segment, so that the elastomer shows excellent high-temperature resistance, ablation resistance, strong adhesive force, excellent tear strength, excellent tensile strength and good elongation at break; the preparation method is simple, low in cost and suitable for large-scale application.

The application discloses a composite system for enhancing corrosion resistance of high-entropy alloy and a use method thereof, and relates to the technical field of high-entropy alloy processing. The heat treatment device, the oxidation treatment device and the laser cleaning treatment device are connected with the control panel respectively, so that the temperature, oxidation and laser action of the high-entropy alloy in the processing process can be effectively controlled; the heat field action can accelerate the diffusion of high-entropy alloy elements to obtain more uniform component distribution; the oxidation can quickly generate an oxide protective film on the surface of the high-entropy alloy to isolate corrosion; and the laser cleaning can adjust the surface and interface structure of the high-entropy alloy and help to eliminate surface and internal defects. Through the heat field action, the oxidation and the laser action, the synergistic effect among processes, the corrosion resistance of the high-entropy alloy can be significantly improved, the three-dimensional and comprehensive improvement of the corrosion resistance is realized, and the high-entropy alloy has a wider application space and application value.

The utility model provides a rotary stirring superfine mill which is composed of a rotary cylinder assembly and a stirring shaft assembly, and the stirring shaft assembly is arranged in the rotary cylinder assembly. The rotary cylinder assembly comprises a rotary cylinder, a feeder and a feeding screw; wherein the stirring shaft assembly is located in the rotary cylinder body, a plurality of discharging holes are formed in the tail end of the rotary cylinder body, the feeder, the feeding screw and the material guiding cone are sequentially installed at the front end of the rotary cylinder body, materials enter the feeding screw cylinder through a discharging pipe on the feeder and enter the rotary cylinder body through the material guiding cone, and the stirring shaft assembly is located in the rotary cylinder body. At the tail part of the rotary cylinder body, the materials fall into a discharging ventilation lower shell through a discharging hole and are discharged; the stirring shaft coupler is connected with the output end of the permanent magnetic direct-drive motor. According to the utility model, materials which need to be subjected to superfine grinding in the rotary cylinder are subjected to grinding, rubbing, shearing and extruding, so that the materials are subjected to superfine grinding; the superfine grinding effect is guaranteed, and the problem of material flowing is solved.

This invention relates to a water circuit switching structure and a toilet, characterized by comprising a water tank, a float, and a limiting block. The water tank has an inlet, a first outlet, and a second outlet. The float is movably positioned between the inlet, the first outlet, and the second outlet. The limiting block is located inside the water tank. When water enters through the inlet, the limiting block restricts the float to a first position, connecting the inlet to the first outlet. When water stops flowing through the inlet, the limiting block releases the float, and the float moves to a second position under buoyancy, resuming water supply to the inlet and maintaining the float in the second position, connecting the inlet to the second outlet. This invention has the following advantages: 1. It reduces reliance on a motor, reducing the occurrence of malfunctions. 2. The switching structure is simple, stable, and reliable, offering significant cost advantages. 3. It has a wide range of applications.

This invention proposes a design method for impedance-gradient metamaterials, which includes: calculating the impedance-gradient metamaterial set X = {x 1 ,…,x k The corresponding evaluation function result set Y(X) = {y} 1 ,…,y k The process involves calculating the mean and variance of the evaluation function result set Y(X), and then calculating the prior distribution function based on the mean, variance, and evaluation function result set Y(X). A data acquisition function is then calculated based on the minimum value in the evaluation function result set Y(X), the prior distribution function, and the variance. An iterative operation is performed to obtain the optimal impedance-gradient metamaterial corresponding to the maximum value in the data acquisition function. At the end of the iterative operation, the thickness and / or impedance of each metamaterial layer in the multiple metamaterial layers characterized by the optimal impedance-gradient metamaterial, as well as the arrangement of the multiple metamaterial layers, are output. This effectively shortens the design time of the impedance-gradient metamaterial and improves the design effect.

This invention designs a method for strength analysis of longitudinal connection structures in aircraft skin, belonging to the field of airframe structural strength design. Through finite element modeling and experimental analysis, it determines the load-sharing factor of fasteners and the influence of secondary bending on the load-bearing capacity of the connection area. This invention significantly improves the accuracy of strength calculations for longitudinal connection structures in aircraft skin, providing support for strength analysis of aircraft products. This invention has wide applications in structural design in aviation, aerospace, and automotive industries; it can improve structural utilization efficiency, designing optimal structural dimensions while meeting structural strength requirements; it helps reduce unnecessary conservative designs, greatly shortening development time and reducing development costs.

The invention discloses a dicotyledonous parthenogenesis induction gene RWP and application thereof, and particularly relates to application of the dicotyledonous parthenogenesis induction gene RWP in cultivation of dicotyledonous haploid or haploid induction lines or improvement of haploid induction capability. The invention discovers and verifies that the RWP gene family has the parthenogenesis haploid induction function in the dicotyledon for the first time, and fills the blank of the dicotyledon parthenogenesis haploid induction gene. The invention lays an important foundation for widening the application of haploid breeding technology on dicotyledonous plants and revealing the biological mechanism of parthenogenesis haploid production. In view of the universality of haploid breeding technology utilization in the current breeding industry, the invention has wide application space and prospect in the field of biological breeding.

The invention belongs to the technical field of telemetering equipment, and particularly relates to a missile telemetering system which comprises missile-borne telemetering equipment, frequency point setting equipment and a telemetering ground station. The missile-borne telemetering equipment is connected with the missile-borne module and used for recording data of the missile-borne module and sending the data outwards in a wireless communication mode according to the designed working process and the determined working frequency point; the frequency point setting equipment is used for unifying wireless communication working frequency points between the missile-borne telemetering equipment and the telemetering ground station; the telemetry ground station is used for receiving missile-borne data and decoding and processing the received data; the telemetering system and the working process thereof can be suitable for a missile weapon system in which time constraints exist in telemetering data acquisition, storage and / or sending conditions, help weapon design personnel to realize reliable recording of on-missile data, and provide data guarantee for equipment development.

The invention discloses an intelligent energy management material and a preparation method, the intelligent energy management material is aerogel-based composite PCMs, and the aerogel-based composite PCMs are selected from graphene / paraffin aerogel, graphene aerogel-paraffin phase change microspheres and MXene coated PEG aerogel. The prepared intelligent energy management material, namely the aerogel-based composite PCMs, is stable in form, enhanced in thermal conductivity, flexible and foldable, can be applied to wearable thermal sensors and thermal resistance clothes, and has wider application space.

The present invention belongs to the technical field of engineering plastics, and specifically relates to a polyamide composite material, a preparation method thereof, and an application thereof. The polyamide composite material comprises the following components in parts by weight: 50-100 parts of nylon resin, 1-10 parts of epoxy resin, 0.1-5 parts of polyol, 2-10 parts of zinc ion ionomer, and 5-30 parts of glass fiber. The polyamide composite material prepared by the present invention can effectively improve the thermal stability of the material and avoid the degradation of the material at high temperature, so that the composite material can still maintain a high weld mark strength and excellent resilience and mechanical properties under high temperature and high humidity environment, and has a broader material application space.

The utility model discloses while-drilling hydraulic power type low-clearance cement mixing pile forming equipment. The while-drilling hydraulic power type low-clearance cement mixing pile forming equipment comprises a hydraulic power motor, a telescopic drill rod system, a cement pile mixing head, a rack bearing system, a flexible pipeline integration system, a high-pressure oil pump conveying system and a cement grout mixing conveying system. In the stirring pile drilling process, the rotary stirring process only occurs in a stirring head area, a stirring pile drill rod and an upper structure are basically kept in a relatively static state, the drill rod only performs vertical telescopic motion, the stability and safety of stirring pile equipment in the working process are relatively better, and stirring head drilling and stirring are more stable; due to the fact that the hydraulic drive type telescopic drill rod is adopted, the height of the pile machine is relatively smaller, the requirement for foundation reinforcement of places with limited space such as low clearance can be met, and the overall stirring pile construction efficiency is higher.

The utility model provides a rectangular box girder continuous rigid frame upward-supporting track beam structure, which relates to the technical field of bridges and comprises a continuous rigid frame and a pier. The continuous rigid frame comprises a track beam and a box beam, the upper surface of the box beam is connected with the track beam, and the cross section of the box beam is in a hollow rectangular shape. The pier comprises a pier column and a cover beam connected with the upper surface of the pier column, the pier is a T-shaped pier, the cross section of the pier column is in a hollow rectangular shape, and the upper surface of the cover beam is connected with the bottom face of the box girder. Compared with a traditional box-type section continuous beam upward-supporting track beam structure, the continuous rigid frame upward-supporting track beam structure is light and attractive in appearance; compared with a continuous steel-concrete combined track beam, the track beam is lower in manufacturing cost and convenient to repair and maintain. And the application space is wide, and a new thought is provided for the large-span node bridge structure form of the straddle type monorail traffic system.

The invention belongs to the technical field of telemetering equipment, and particularly relates to a missile telemetering system working method, which comprises the following steps of: firstly, finishing power-on initialization, then entering a frequency point confirmation stage, determining a working frequency point by frequency point setting equipment, and sending the working frequency point to missile-borne telemetering equipment and a telemetering ground station; meanwhile, the missile-borne telemetering equipment starts to collect and store the missile-borne data according to the designed data collection time, and finally the missile-borne telemetering equipment sends the missile-borne data to the outside in a wireless communication mode according to the designed time window and the determined working frequency point. The telemetry ground station receives telemetry data according to the same working frequency point and completes data decoding and processing; the telemetering system and the working process thereof can be suitable for a missile weapon system in which time constraints exist in telemetering data acquisition, storage and / or sending conditions, help weapon design personnel to realize reliable recording of on-missile data, and provide data guarantee for equipment development.

The application discloses a vector for editing Nicotiana benthamiana genes based on CRISPR / Cas9 and a construction method and application thereof, and comprises BKG-g10 and / or BKG-g11 vectors constructed for a UbEF1B gene of the Nicotiana benthamiana and / or BKG-g12 and / or BKG-g13 vectors constructed for a CCR4 / NOT gene of the Nicotiana benthamiana. After the UbEF1B gene or the CCR4 / NOT gene is edited by the vectors, the growth state of the Nicotiana benthamiana is normal, and the phenotype does not obviously change compared with a wild type; the vectors do not affect the traits of the Nicotiana benthamiana, and are beneficial to the continuation of offspring. Compared with a traditional breeding method, the CRISPR / Cas9 system can more quickly and effectively obtain disease-resistant materials by editing endogenous genes of the Nicotiana benthamiana.

The application discloses a B-type cabin drop plate arrangement structure, which comprises a drop plate arranged below an independent liquid cabin, the independent liquid cabin comprising a liquid cabin shell and a heat insulation layer protection shell arranged outside the liquid cabin shell; a plurality of supporting pads for supporting the independent liquid cabin are arranged between the liquid cabin shell and an inner bottom plate of a ship body; the drop plate is arranged between the heat insulation layer protection shell and the inner bottom plate of the ship body; a reinforcing structural member is fixedly arranged on the drop plate, the reinforcing structural member is fixedly connected with a meshed connecting member, and the meshed connecting member is fixedly connected with the supporting pads; and the drop plate is hung between the supporting pads through the meshed connecting member. The application can simply and quickly arrange the drop plate according to needs, improves the safety of the ship body structure, reduces the construction difficulty, saves the construction time, and saves the cost of a shipyard.

The application discloses a kind of based on machine nest and unmanned aerial vehicle's self-organizing network cooperative inspection method and system, it is related to unmanned aerial vehicle and self-organizing network technical field;Cloud management platform issues inspection task, machine nest receives task and decomposes, unmanned aerial vehicle in scheduling region takes off;Unmanned aerial vehicle rises and is independently formed self-organizing network, based on task demand distribution inspection area and path;During inspection process, unmanned aerial vehicle shares position, attitude, inspection data etc. information in real time through self-organizing network, dynamically adjusts operation strategy;When completing part task or power is insufficient, unmanned aerial vehicle returns and charges in nearest machine nest, inspection data is synchronized to machine nest and is uploaded to cloud end;Cloud end carries out fusion analysis to data, generates inspection report, simultaneously according to analysis result optimization subsequent inspection task planning;The application uses above-mentioned one kind based on machine nest and unmanned aerial vehicle's self-organizing network cooperative inspection method and system, and combines unmanned aerial vehicle and self-organizing network technology to realize the cooperative communication between multiple unmanned aerial vehicles and task scheduling and carry out efficient inspection.

The invention relates to the field of filtering films, in particular to a color photovoltaic filtering film and a preparation method thereof.The color photovoltaic filtering film comprises a transparent substrate layer, a bottom electrode optical adjusting layer, a photovoltaic functional structure layer, a top electrode and a top electrode optical adjusting layer which are sequentially stacked from bottom to top; wherein the photovoltaic functional structure layer is formed by superposing four same periodic structure units, and each periodic structure unit comprises a metal thin film, a hole transmission thin film, a photosensitive thin film and an electron transmission thin film. The color photovoltaic filter film can realize selective transmission of light of different wave bands while generating power, and the method provides a new thought for development of color photovoltaic cells and filter films. The color photovoltaic filter film has wide application space in the fields of photovoltaic building integration, smart home, new energy automobiles, portable and wearable electronic equipment, aerospace and the like.

The invention discloses a directional crystallization and impurity removal method for metal silicon, application of the directional crystallization and impurity removal method and a directional crystallization and impurity removal production line, and belongs to the technical field of metal silicon heat furnace smelting. The method comprises the following steps that raw materials are taken to be smelted in a submerged arc furnace to obtain liquid silicon; rapidly pouring liquid silicon into the container from the submerged arc furnace, and covering the upper part of the container for heat preservation; blowing and cooling the lower part of the container, so that the liquid silicon in the container starts to be slowly cooled from bottom to top, impurities always float on the upper part of the liquid silicon, and after a preset time, the liquid silicon is completely cooled to form a cooled solid silicon ingot; and separating the container from the solid silicon ingot, and removing a preset part at the upper part of the solid silicon ingot to obtain a finished high-purity silicon ingot. The invention also provides application of the method and a directional crystallization impurity removal production line of metal silicon. According to the method, the Fe element which cannot be removed by the existing process can be removed, that is, most impurities can be removed by using raw materials with high impurity content, so that the requirements on the raw materials and the production cost can be reduced.

The utility model provides a gear blank sawing machine tool. The gear blank sawing machine tool comprises a sawing device which comprises a power head device with a saw blade; the Z-direction feeding device is provided with a first output end, a power head device is installed at the first output end, and the first output end is configured to drive the power head device to linearly move along the Z axis; the angle adjusting device is provided with the Z-direction feeding device, and the angle adjusting device is configured to adjust the angle of the Z-direction feeding device so as to adjust the sawing angle of the saw blade; the X-direction moving device is provided with a second output end, the angle adjusting device is installed at the second output end, and the second output end is configured to synchronously drive the angle adjusting device to linearly move along the X axis; and the Y-direction feeding device is provided with a third output end, the X-direction moving device is installed at the third output end, and the third output end is configured to synchronously drive the X-direction moving device to linearly move along the Y axis. The machine tool is high in automation degree, short in operation time and capable of meeting the requirement of automatic production.

The invention relates to the technical field of aquatic product processing, in particular to a method for inhibiting protein freezing denaturation in the surimi storage process, which comprises the following steps: adding 1-5% by mass of cellulose nanocrystals into surimi to obtain a surimi sample; the method comprises the following steps: uniformly mixing a surimi sample in an environment of 0-10 DEG C, and adding distilled water to control the water content of the surimi sample to be 75-85% by mass. The natural dietary fiber CNC has the beneficial effects that the natural dietary fiber CNC is used as an exogenous additive to be added into the surimi, the natural dietary fiber CNC has a good regulation and control effect on ice crystal behaviors, and the natural dietary fiber CNC can be used in the surimi to well inhibit the structural damage and water holding capacity reduction of the surimi. The preparation process is simple, the raw material source is wide, the performance is stable, data support is provided for developing a novel green and healthy minced fillet cryoprotectant, and the application space in the food field is wide.