2513 results about "New materials" patented technology

The invention relates to the technical field of new material detection, and particularly discloses an ultrasonic flaw detection method and system for a carbon steel bar. The method comprises the following steps: acquiring an appearance image and a section label, constructing a probe path, generating a sound field compensation factor, collecting and preprocessing an echo signal to form a multi-modal signal sequence, further extracting time sequence and spatial characteristics of the multi-modal signal sequence to generate fusion representation, and finally realizing defect classification and label generation. And dynamically updating model parameters and path configuration based on a classification result. The method can improve the detection intelligence and robustness under a complex structure, has high adaptability, high precision and high self-optimization capability, and is suitable for intelligent defect identification of industrial grade carbon steel materials.

The invention provides an on-line monitoring method and system for crack propagation of silicon-based new material equipment in a high-temperature environment, and relates to the technical field of crack detection, and the method comprises the steps: collecting stress distribution data through arranging a stress sensor, and generating a stress field distribution diagram by using an attention mechanism deep neural network model; identifying a stress concentration region based on a region growing algorithm, when a stress value exceeds a preset threshold value, acquiring temperature distribution data, extracting temperature distribution characteristics through a deep mixed probability model, performing multi-modal data fusion in combination with a stress field distribution diagram, and establishing a crack propagation prediction model by using a graph structure neural network. The crack propagation rate and direction are solved through a swarm intelligence optimization algorithm, when the crack propagation rate exceeds a preset threshold value, a control system adjusts equipment operation parameters, the sampling frequency of a sensor is adjusted according to the crack propagation direction, and model parameters are updated through an incremental learning method to achieve real-time monitoring.

The invention relates to a plastic part forming process parameter optimization regulation and control system, in particular to the field of plastic part forming, through the synergistic effect of multiple modules, the intelligent level and stability of a forming process are remarkably improved, and the system can quickly respond to the physical property change of a new material or a new batch; intelligently generating high-adaptability initial parameter suggestions based on historical data; by fusing physical simulation and real-time sensor data, dynamic behavior characteristics of a material are accurately captured, and an enhanced characteristic vector is constructed; on the premise of strictly following the thermodynamic safety boundary, the process parameter combination is efficiently optimized to meet the complex rheological constraint; and meanwhile, closed-loop precipitation and self-improvement of process knowledge are realized according to a continuous evolution anti-disturbance control strategy of production data, rapid and accurate regulation and control in a high-frequency switching scene are finally achieved, and the consistency of forming quality and production stability of plastic accessories are greatly improved.

The invention provides a hot in-place recycling asphalt mixture and a construction method, and relates to the technical field of asphalt mixtures, and the hot in-place recycling asphalt mixture is obtained by recycling old asphalt pavement materials in a high proportion, reducing new material consumption and carbon emission, realizing resource recycling and green construction and introducing a regenerant to recover the performance of aged asphalt. The high-temperature rut resistance, the low-temperature crack resistance, the fatigue resistance and the interface bonding strength of the mixture are synergistically improved by matching with the styrene butadiene rubber modifier, the basalt fiber, the nano silicon dioxide and other functional materials, and the mixture is ensured to be uniform and free of segregation through precise feeding sequence, high-pressure atomization spraying and forced stirring parameter control. The defects of gray materials, oil balls and the like are avoided, the compactness, the flatness and the overall structure stability of the regenerated pavement are improved, and the problems of performance degradation and insufficient durability of a traditional regenerated mixture are solved.

The invention discloses a new material production whole process monitoring method, system and device and a medium. The method comprises the following steps: collecting monitoring data of a plurality of process links in a new material production process and preprocessing the monitoring data; performing correlation analysis on the monitoring data of different process links, identifying a coupling relationship between the previous and later process links, and establishing a correlation model between the process stages; fusing the monitoring data of the plurality of process links to generate a dynamic key monitoring index under the current production condition; performing anomaly detection on the real-time monitoring data based on the association model and the dynamic key monitoring index, and judging whether abnormal data deviating from an expected range exists in the production process or not; and pushing the detected abnormity or potential risk to an operator, and / or generating a parameter optimization and adjustment suggestion of the production process, and sending the parameter optimization and adjustment suggestion to a production control system and the operator. According to the monitoring method provided by the invention, the monitoring precision can be enhanced, and the fine management level of the production process is improved.

The invention discloses a polyethylene composite material as well as a preparation method and application thereof, and belongs to the technical field of high polymer materials. The polyethylene composite material comprises the following components in parts by weight: 100 parts of high-density polyethylene, 6-20 parts of a high-density polyethylene reclaimed material, 3-16 parts of ultra-high molecular weight polyethylene, 1-6 parts of a compatilizer, 1-2 parts of an inorganic filler and 1-2 parts of a flow modifier, 2-3 parts of color master batch; wherein the viscosity average relative molecular weight of the ultra-high molecular weight polyethylene is 1,000,000-2,000,000, and the test standard is ASTM (American Society for Testing Material) D4020. According to the polyethylene composite material disclosed by the invention, part of the high-density polyethylene recycled material is doped, and the interface bonding force between the new high-density polyethylene material and the high-density polyethylene recycled material is improved through the synergistic effect of the ultra-high molecular weight polyethylene, the compatilizer and the inorganic filler; the mechanical property and the wear-resisting property of the polyethylene composite material doped with the high-density polyethylene reclaimed material are improved.

The invention relates to the field of new materials, and discloses a method for preparing a composite material by filling PLA / PBS with fibers, and the composite material comprises the following raw materials by weight: 30-40 parts of polylactic acid, 10-20 parts of poly (butylene succinate), 40-50 parts of fibers, and 1-3 parts of maleic anhydride grafted polylactic acid. Comprising the following steps: S1, performing gradient modification on fibers: S101, pretreating the fibers by using a compound enzyme; s102, in a polylactic acid melt blending stage, adding maleic anhydride to carry out in-situ grafting compatibilization; s2, low-temperature high-shear dispersion: mixing the fibers modified in the step S1 with polylactic acid, poly (butylene succinate) and maleic anhydride grafted polylactic acid. Through a fiber gradient modification technology, bio-enzyme pretreatment and maleic anhydride in-situ grafting compatibilization are utilized, and an interpenetrating network structure of a polylactic acid chain segment is formed on the fiber surface, so that the tensile strength of the composite material is effectively improved to 80-90 MPa.

The invention discloses a testing machine for a new material compression resistance test, and relates to the technical field of compression resistance testing, the testing machine comprises a detection frame, a placing table is fixedly connected to the bottom end in the detection frame, a hydraulic telescopic rod is fixedly connected to the top of the placing table, and the testing machine further comprises a connecting plate arranged at the top end in the detection frame; the telescopic end of the hydraulic telescopic rod is fixedly connected with the connecting plate, a lower pressing plate is arranged at the bottom of the connecting plate, a plurality of connecting rods are fixedly connected between the lower pressing plate and the connecting plate, and the lower pressing plate and the connecting plate are rotationally connected with a lead screw; in order to adjust the size of the downward pressing surface of the new material during downward pressing detection, the sliding plate is pushed by the pushing piece to slide into different fixing frames and is connected and locked with a plurality of downward pressing rings according to needs, so that the size of the downward pressing surface is rapidly adjusted, and manual disassembly is avoided.

The invention relates to the technical field of wind power blade material testing, and discloses a testing device and method for a salt spray corrosion test of a wind power blade composite material layer. According to the method, wind power blade composite material coating preparation parameters are obtained, and coating basic information is provided for subsequent performance evaluation; based on preset salt spray test environment control parameters, dynamic salt spray environment simulation conditions are generated so as to better fit the actual outdoor environment; then, a multi-sensor coupling monitoring network is constructed, real-time data acquisition is conducted on the corrosion process of the composite material coating, and comprehensive tracking of the corrosion process is achieved; processing real-time data by utilizing a corrosion characteristic analysis algorithm, generating a multi-dimensional corrosion characteristic index, and quantitatively representing the corrosion condition of the coating; and finally, evaluating the anti-corrosion stability of the new material coating in combination with the coating characteristic parameters and the multi-dimensional corrosion characteristic indexes. According to the method, the corrosion resistance of the coating in the actual environment can be more accurately reflected, and support is provided for research, development and application of the composite coating of the wind power blade.

The invention relates to a bionic Al / SiC composite material with a three-dimensional network multilevel structure and a preparation method of the bionic Al / SiC composite material, and belongs to the technical field of new material preparation. According to the method, through the collaborative process of freeze casting and organic foam impregnation, the problem that in the prior art, the multilevel aperture and the complex network structure are difficult to cooperatively regulate and control is solved. The preparation method comprises the following specific steps: preparing tert-butyl alcohol-based ceramic slurry, impregnating the slurry with polyurethane foam, performing freeze casting molding, removing a solvent through freeze drying, performing high-temperature sintering to form SiC ceramic with a three-dimensional reticular hierarchical pore structure, and finally preparing the Al / SiC composite material through a vacuum pressure infiltration process. Wherein a sintering aid is added into the slurry, so that the sintering temperature is obviously reduced; the specification (40-60 ppi) of polyurethane foam, the solid phase content (20-30 vol.%) of slurry, the freezing speed (0-90 DEG C) and the content (5-20 wt.%) of a sintering aid are regulated and controlled. And the cross-scale collaborative design of micron-scale directional holes and millimeter-scale mesh holes is realized. The Al / SiC composite material prepared by the invention has the advantages that the compressive strength, fracture toughness and other properties are obviously higher than those of the traditional single-aperture porous ceramic, and the Al / SiC composite material is suitable for the fields of manufacturing and energy absorption of precise instruments, electronic packaging and optical devices.

The invention relates to the technical field of injection molding waste plastic recovery, in particular to injection molding equipment and a process for producing plastic automobile ornaments. The equipment comprises an injection machine and an online recycling mechanism, the injection machine is provided with a double-channel solution cavity composed of a new material main runner and a waste material returning cavity, and the tail ends of the two channels converge in a 30-degree Y shape; the on-line recovery mechanism comprises a waste conveyor belt, a crushing mechanism and a transmission device, a magnetic separation impurity removal device is arranged in the crushing mechanism, and a discharge end is connected with the batching mechanism. Through double channels and a Y-shaped confluence structure, production waste is subjected to online recovery and crushing and then is fused, mixed and reused with new materials, the waste utilization rate is increased, and the cost is reduced. The magnetic separation and impurity removal device efficiently removes metal impurities through the movement of inclined avoiding, rotary impurity scraping and inclined discharging of a scraping plate; the batching mechanism removes dust to prevent impurities from affecting melt performance. The crushing device adapts to different waste materials, airflow assists discharging to improve the efficiency, and the green production concept is met.

The invention discloses detection equipment for appearance defect detection of a new material lens, and relates to the field of lens detection.The detection equipment comprises a detection box, a lens conveyor used for conveying a lens body is installed on the detection box, and a first mechanical arm used for transferring the lens body to a transfer mechanism is arranged on the rear side of the lens conveyor; the left side of the transfer mechanism is provided with a second manipulator used for transferring the lens body on the transfer mechanism to the non-defective product conveyor and the defective product conveyor, and the second manipulator, the non-defective product conveyor and the defective product conveyor are all installed on the detection box. According to the detection equipment for appearance defect detection of the new material lens, through cooperative cooperation of the transfer mechanism and the cleaning mechanism, a lens body can rotate in the cleaning mechanism in the transfer process, dust and impurities attached to the outer surface are effectively removed through dynamic friction or the airflow effect, and the problem that pollutants are left in a traditional static cleaning mode is solved; therefore, the accuracy of subsequent appearance defect detection is obviously improved.

The invention relates to a preparation method of a high-thermal-conductivity hexagonal boron nitride film in the technical field of new materials, which comprises the following steps: acquiring particle size distribution data of hexagonal boron nitride powder treated by silane, and measuring the distribution condition of hexagonal boron nitride particles with different particle sizes by a particle size analyzer to obtain a particle size distribution curve; the influence of key process parameters on the heat-conducting property, the mechanical strength and the flame-retardant property is verified through experiments, performance data under different process parameters are obtained, and the influence rule of silanization treatment conditions on the surface property of hexagonal boron nitride and the performance of the composite material is focused on; and according to the heat-conducting property, the mechanical strength and the flame-retardant property data, optimizing process parameters by adopting a particle swarm optimization algorithm in a multi-objective optimization algorithm to obtain an optimal process parameter combination.

The invention discloses an atomic absorption spectrometer for new material detection, and relates to the technical field of atomic absorption spectrometers, the atomic absorption spectrometer comprises a spectrometer body; a liquid supply mechanism is arranged below the front surface of the spectrograph body, the liquid supply mechanism comprises a liquid supply bearing table, and a liquid supply rotating disc is rotationally arranged in the liquid supply bearing table through a motor; wherein an absorption mechanism is arranged at the lower part in the spectrograph body, the absorption mechanism comprises a liquid taking sliding plate, and a liquid taking corrugated pipe is arranged in the middle of the front end of the liquid taking sliding plate in a penetrating manner. According to the atomic absorption spectrometer for new material detection, a liquid supply bearing table drives a liquid supply rotating disc to rotate, a standard reagent bottle and a solution reagent bottle are borne, a liquid taking sliding plate and a lifting strip plate which slide forwards drive a liquid taking corrugated pipe to move and then descend, and the liquid taking corrugated pipe ascends and descends in a reciprocating mode during rotation; therefore, repeated operation of calibration and detection during detection is realized, and the accuracy of atom detection is improved.

The invention provides a preparation method of small-particle-size high-purity germanium dioxide, and relates to the technical field of new material preparation, and the preparation method comprises the following steps: S1, preparation of a hydrolysis solution, S2, spraying hydrolysis of germanium tetrachloride, S3, low-temperature aging, S4, solid-liquid separation and washing, and S5, high-temperature drying. The germanium dioxide production process is simple, low in cost and efficient, and the product is small in particle size and good in uniformity.

The invention relates to the field of new materials, and discloses a red mud-based ceramic flat sheet membrane and a preparation method thereof. The red mud-based ceramic flat sheet membrane comprises a substrate and a separation layer integrally attached to the surface of the substrate, the matrix is prepared from the following raw materials in parts by weight: 2000 to 4000 parts of Al2O3 powder with the average particle size of 5000nm, 200 to 350 parts of corn starch, 300 to 500 parts of red mud, 400 to 600 parts of kaolin and 2 to 8 parts of polyvinyl alcohol; the separation layer is prepared from the following raw materials in parts by weight: 4-10 parts of Al2O3 powder with the average particle size of 5000nm, 1-3 parts of a dispersing agent, 0.1-0.3 part of a defoaming agent and 1-3 parts of polyvinyl alcohol. The red-mud-based ceramic flat sheet membrane has good physical properties, the preparation method is scientific and reasonable, and the red-mud-based ceramic flat sheet membrane has the characteristics of short production period, low raw material and sintering cost and the like.

The invention belongs to the technical field of new materials, and discloses a polyolefin dissolving agent as well as a preparation method and application thereof. The cleaning agent is composed of modified long-carbon-chain imidazole dinitrile amine salt, modified long-carbon-chain imidazole long-carbon-chain anion salt, betaine salt, imidazole acetate, imidazole long-carbon-chain anion salt, quaternary ammonium long-carbon-chain anion salt, imidazole bis (fluorosulfonyl) imide salt, imidazole hexafluorophosphate and long-carbon-chain anion and cation liquid. Under the condition of 180-210 DEG C, polyolefin (PP or PE) with the molecular weight of 50-8 million can be dissolved by adopting the polyolefin dissolving agent disclosed by the invention, and effective extrusion can be realized by adopting a twin-screw extruder after dissolution. After PP / PE powder is dissolved by adopting the polyolefin dissolving agent disclosed by the invention, sheet casting or spinning is carried out, casting sheets or PP / PE fibers are washed by using ethanol / dichloromethane / hydrocarbon / tetrachloroethylene to remove ionic liquid, and a polyolefin diaphragm or polyolefin fibers can be prepared.

The invention relates to a detection method and application of a bainite steel structure and / or grain boundary for nuclear power equipment, and relates to the technical field of new material detection. According to the detection method, the problem that the structure and the grain boundary of bainite steel for nuclear power equipment are difficult to display can be solved, a major breakthrough of a grain size detection technology is achieved, the clear and complete grain boundary can be accurately presented, and scientific evaluation of the grain size through a comparison method, a cut point method, an area method and the like according to standard requirements is further supported. When the detection method is used for evaluating the grain size, the results are highly consistent, the repeatability is good, and the problems of subjective experience dependence and measurement errors caused by blurred grain boundary display in a traditional nitric acid and alcohol corrosion method are effectively avoided.

The utility model discloses a device for reducing ineffective circulation volume of a mining roller type comminutor, which belongs to the field of ore crushing and grinding processing, and comprises a basic retaining ring component fixedly arranged on the edge of a rotary millstone, and the basic retaining ring component and the rotary millstone are relatively static; the auxiliary material retaining ring assembly is fixedly connected to the inner wall of the middle shell and arranged above the basic material retaining ring assembly, and the auxiliary material retaining ring assembly rotates relative to the rotary grinding disc; the two auxiliary material blocking ring assemblies respectively extend to the far end of the rotary millstone along the near end of the grinding roller; a first notch is formed between the two auxiliary material blocking ring assemblies. According to the utility model, the design of dynamic and static combination of the double-layer retaining ring is adopted, and the guide plate is arranged on the fixed retaining ring, so that new materials which are not ground are reguided to the grinding roller for grinding, the discharge of the materials which are not ground is reduced, and the invalid circulation volume of the grinding machine is reduced.

The invention discloses a preparation method of a completely biodegradable dustproof net based on modified bamboo powder, and belongs to the technical field of biodegradable new materials. The formula comprises the following components in parts by weight: 50-70 parts of poly (butylene adipate-co-terephthalate), 10-40 parts of bamboo powder, 0.1-2 parts of a silane coupling agent, 0.1-1 part of a surfactant, 0.1-1 part of an anti-blocking agent, 0.1-1 part of an antioxidant and 0.1-1 part of an ultraviolet light absorber. The dust screen prepared by the invention not only has biodegradability, but also has the characteristics of being green and environment-friendly by adopting the bio-based material bamboo powder. Meanwhile, in order to realize good combination of the bamboo powder and matrix plastic poly (butylene adipate-co-terephthalate), a silane coupling agent capable of combining the bamboo powder and the matrix plastic poly (butylene adipate-co-terephthalate) through a chemical reaction and a surfactant capable of combining the bamboo powder and the matrix plastic poly (butylene adipate-co-terephthalate) through a physical effect are sequentially adopted for composite modification of the bamboo powder; the dispersity of the bamboo powder and the compatibility of the bamboo powder and poly (butylene adipate-co-terephthalate) are effectively improved, and the prepared dustproof net has good mechanical properties.

The invention relates to the technical field of new material detection, in particular to a copper foil coating content detection method. The method comprises the following steps: preparing a plurality of mixed standard solutions; the mixed standard solution comprises copper ions and at least one to-be-detected element ion; in the plurality of mixed standard solutions, the copper ion concentrations are the same and are first preset concentration values; measuring a plurality of mixed standard solutions, and establishing a standard curve between a theoretical value and a measured value of the ion concentration of each to-be-measured element; dissolving a plating layer on the surface of the to-be-detected copper foil by using nitric acid, and filtering to obtain a to-be-detected sample solution; adding copper salt into the to-be-detected sample solution to obtain a to-be-detected analysis solution; measuring the to-be-measured analysis solution to obtain the measurement concentration of each to-be-measured element ion; according to the measured concentration of each to-be-measured element ion and the corresponding standard curve, the corrected content of each to-be-measured element ion is obtained. The problem that an existing copper foil coating content detection method is low in detection accuracy is solved.

The invention discloses a novel chemical material liquid optical granularity instrument with an anti-corrosion sample pool structure, and relates to the technical field of novel chemical material detection.The novel chemical material liquid optical granularity instrument comprises a pool body and a detection assembly, a sealing cover is arranged at the top of the pool body, a stirring assembly is arranged in the middle of the sealing cover, and the detection assembly is arranged at the top of the stirring assembly; the detection assembly comprises a connecting rod, the top of the stirring assembly is rotationally connected with the connecting rod, and one end of the connecting rod is rotationally connected with a piston rod. The gear set driven by the motor drives the stirring shaft to rotate, so that samples are uniformly mixed by the stirring rod, particle sedimentation is prevented, stirring motion is converted into reciprocating motion of the piston rod by utilizing the connecting rod mechanism, and continuous pumping of a medium is realized by matching with a plurality of one-way valves; meanwhile, the liquid suction head on the stirring rod synchronously sucks samples from different point positions in the rotating process, a dynamic multi-point sampling mode is formed, and accidental errors caused by traditional fixed point sampling are effectively overcome.

The invention belongs to the technical field of material science, and relates to a generation method of a material formula, a target material, an automobile structural part, a vehicle, a device, a medium and electronic equipment. The method comprises the following steps: acquiring target performance data of a target material to be prepared; and inputting the target performance data into a pre-trained material large model, so that the material large model outputs formula data for preparing the target material and corresponding process data. The formula data and the process data of the preparation method are reversely deduced according to the target performance data required by the target material by utilizing the large material model, the large model is introduced into the field of material science, and the generation method of the reverse material formula realizing'target performance driving 'is provided without relying on a large number of manual experiment trials and errors; and the advantages of strong generalization ability and reasoning ability of the large material model are exerted, so that the research and development efficiency and success rate of new materials are improved, and the application scenarios of the large material model are enriched.

The invention discloses a high-strength quick-setting 3D printing concrete material based on nanocrystalline nucleus synergistic excitation and a forming preparation method thereof, and belongs to the technical field of building materials. The high-strength quick-setting 3D printing concrete material based on nanocrystalline nucleus synergistic excitation is prepared from the following components in parts by weight: 40 to 50 parts of phosphogypsum, 20 to 30 parts of Portland cement, 5 to 15 parts of sulphoaluminate cement, 1 to 5 parts of nanocrystalline nucleus agent, 0.5 to 1 part of carbon nanotube, 20 to 40 parts of phosphogypsum lightweight aggregate, 1 to 3 parts of additive, 1 to 3 parts of steel fiber and 0.1 to 0.3 part of hydroxypropyl methyl cellulose. According to the invention, by introducing a nano crystal nucleus synergistic excitation technology and combining with a 3D printing process, high performance of the phosphogypsum-based concrete material is realized, and a new material solution is provided for sustainable development of the building field.

The invention relates to the technical field of new material processing, and provides a tensile strength detection device for carrier tape production and processing, which comprises a detection device main body and a mounting block, a control panel is mounted at the front end of the detection device body, a stretching structure is arranged in the detection device body, a mounting block is arranged at the top end of the stretching structure, and a stretching sensor is mounted at the front end of the mounting block. By arranging the clamping structure, when the tensile strength of the carrier tape is detected, the carrier tape can be clamped through two groups of mounting frames through the cooperative use of a worm gear and a worm, and in the clamping process, through the cooperative use of a self-adaptive clamping block, a first fixing rod and a third spring, when the carrier tape is clamped, the tensile strength of the carrier tape is detected, and the tensile strength of the carrier tape is detected. According to the thickness of the carrier tape, the clamping angle of the self-adaptive clamping block is automatically adjusted, self-adaptive adjustment is carried out according to the thickness of the carrier tape, the situation that the carrier tape is loosened in the clamping process is avoided, the clamping effect is better, and detection data are accurate.

The invention discloses a visual detection device for a new material flexible circuit board, and relates to the field of visual detection devices.The visual detection device comprises a workbench, a servo motor is fixed to the lower end face of the workbench, a detection mechanism is fixed to the rear side of the upper end face of the workbench, and the output end of the servo motor is fixed to a rotating disc; and the turntable intermittently rotates under the action of the servo motor. According to the visual detection device for the new material flexible circuit board, the negative pressure adsorption positioning mechanism is adopted, adsorption and fixation of the flexible circuit board can be achieved, the stability of the flexible circuit board in the detection process is guaranteed, and in cooperation with the linked flattening mechanism, the flattening effect of the flexible circuit board can be achieved when the flexible circuit board is adsorbed and fixed, and the stability of the flexible circuit board is guaranteed. And the flatness of the flexible circuit board is ensured, so that the accuracy of subsequent detection data is ensured, and a pressing acting force can be provided for the flexible circuit board, so that the flexible circuit board is tightly attached to the positioning seat, and the fixing stability of the flexible circuit board is ensured.

The invention discloses an intelligent optimization method for heat treatment process parameters of an aluminum alloy sheet strip, relates to the technical field of aluminum alloys, and greatly improves the accuracy and real-time performance of prediction through the combination of a multi-physics field coupling model and a data-driven deep neural network model, gets rid of a traditional low-efficiency mode depending on manual trial and error, and improves the prediction accuracy and real-time performance. And the production requirements of new materials and new specifications can be quickly responded. Compared with a single-point optimal result in the prior art, due to the introduction of a multi-objective optimization algorithm, global optimization of comprehensive performance is realized through collaborative optimization among performance indexes which are mutually restricted. And finally, through real-time closed-loop control, uncertain interference in the production process is effectively overcome, the consistency of product performance and the yield are remarkably improved, the research and development period is greatly shortened, and the production cost is reduced.

The invention discloses a nanoscale double-phase high-entropy zirconate fiber membrane and a preparation method thereof, and belongs to the field of high-entropy ceramic fiber new material preparation, and the fiber membrane is composed of continuous high-entropy zirconate fibers; the chemical structural formula of the high-entropy zirconate fiber is (La0. 2Sm0. 2Gd0. 2Dy0. 2Yb0. 2) 2Zr2O7, and the high-entropy zirconate fiber comprises a biphase structure of pyrochlore and defective fluorite. Through the cooperation of the high-entropy structural design and the electrostatic spinning-calcining method, the fiber membrane has a pyrochlore and defective fluorite double-phase structure and a small grain size, so that the fiber membrane is endowed with good anti-sintering performance, heat insulation performance and high-temperature stability, and meanwhile, the fiber membrane has certain flexibility.

The invention discloses a viscometer for detecting the quality of a new chemical material product, and relates to the technical field of viscometers, the viscometer comprises a base, an ultrasonic cleaning box is fixed on the base, a material moving mechanism for realizing automatic loading and unloading of a sample cylinder is also fixed on the base, a bracket is fixed on the rear side of the base, and the bracket is connected with the ultrasonic cleaning box. A first motor is fixed to the support, an output shaft of the first motor is connected with a threaded rod connected to the support through a bearing, and the threaded rod is connected with the movable frame so that the movable frame can move in the Z-axis direction. According to the viscometer for detecting the quality of the new chemical material product, through linkage regulation and control of the adjusting mechanism, the material moving mechanism and the detection mechanism, cleaning and switching of the detection mechanism and feeding and discharging of the sample cylinder are cooperatively matched, 180-degree transposition of the detection mechanism and 90-degree automatic material moving of the sample cylinder driven by the rotary table are synchronously achieved, and therefore assembly line operation can be achieved, and the working efficiency is improved. And manual participation is not needed, the detection efficiency is greatly improved, and batch detection of new chemical materials can be effectively adapted.

The invention provides a methacrylate-terminated polyurethane prepolymer, a preparation method and two-component dual-curing photosensitive resin, and relates to the technical field of 3D printing new materials. The structure of the methacrylate-terminated polyurethane prepolymer is shown as a formula IV, and the invention also provides a two-component dual-curing photosensitive resin which comprises the methacrylate-terminated polyurethane prepolymer shown as the formula IV, the bi-component dual-curing photosensitive resin is prepared by the following steps: firstly, fully mixing a methacrylate-terminated polyurethane prepolymer as shown in a formula IV, a reactive diluent and a photoinitiator as a component A and diamine as a component B at room temperature to form the bi-component dual-curing photosensitive resin. According to the invention, the methacrylate-terminated polyurethane prepolymer generates a mismatched supramolecular effect through the molecular structure design of'rigid main chain-flexible side chain ', so that the strength and toughness of the material are synergistically improved, and a 3D printed product shows ultrahigh mechanical properties.