218 results about "Surface layer" patented technology

The invention provides a marine reanalysis wind field data correction method based on buoy observation data, and belongs to the technical field of meteorologies.The marine reanalysis wind field data correction method comprises the steps that firstly, abnormal value elimination and quality control are conducted on the buoy observation data, and space-time matching is conducted through a bilinear interpolation method; constructing a dynamic time window, and adaptively adjusting the time precision according to the meteorological event type; calculating wind speed and wind direction errors, and extracting spatio-temporal characteristic parameters; the method comprises the following core steps of: optimizing Gaussian process regression by using an ocean physical constraint neural network model, wherein the model comprises a surface layer physical process coding layer, a boundary layer dynamic embedding layer and a multi-head sparse attention layer; constructing a space-time covariance model to generate an error field; correcting the reanalyzed wind field data and outputting uncertainty evaluation; the technical problem that a significant space-time error exists between reanalysis wind field data and an actual observation value in a complex marine environment is solved.

The invention belongs to the technical field of infrastructure structures and materials, and discloses an intrinsic self-prestress ECC material, a surface layer structure prepared from the intrinsic self-prestress ECC material and application of the intrinsic self-prestress ECC material. A low-dosage volume expansion component and a building and curing combined strategy are utilized, the bottleneck that self-stress and a construction window period are not coordinated is broken through, the highest free expansion deformation of the intrinsic self-prestress ECC material in the temperature and humidity curing process is controlled to range from 1500 mu epsilon to 10000 mu epsilon, the later-period service free volume deformation is kept to be 55% higher than the early-period highest free expansion deformation, and the service life of the intrinsic self-prestress ECC material is prolonged. And the dual requirements of intrinsic self-prestress and construction windows are innovatively met. The maintenance-free seamless ultrathin target of the ECC surface layer structure is achieved through high-performance intrinsic self-prestress and self-healing. The method is widely applied to the fields of ocean ultra-thin large-buoyancy floating bodies, road surfaces, bridge floors, airport runways, ultra-thin box culverts, concrete panels, pumped storage power station panels, anti-seepage panels, floor panels, canal linings, tunnel linings, old structure updating and repairing and the like.

The invention discloses a temperature field real-time monitoring method and system based on special ceramic sintering, and relates to the field of temperature monitoring of special ceramic sintering, and the method specifically comprises the following steps: S1, processing a sensor array; s2, construction of multi-parameter data acquisition; s3, a temperature field reconstruction and prediction model based on multi-physics field coupling; and S4, temperature field real-time monitoring and abnormity early warning are carried out. According to the temperature field real-time monitoring method and system based on special ceramic sintering, the temperature sensor is preset in the green body, a three-dimensional temperature field reconstruction function is combined, discrete sensor node real-time temperature data can be converted into a continuous three-dimensional temperature field cloud picture, temperature distribution of the surface of the green body can be clearly presented, and the temperature field can be monitored in real time. And the temperature gradient change from the surface layer to the core can be more accurately restored, so that an operator can intuitively master the temperature state of the whole green body, the situation that the whole process is misjudged due to local data is avoided, and the comprehensiveness and accuracy of temperature field monitoring are fundamentally improved.

The invention relates to the technical field of engineering plastic detection, and particularly discloses an aging detection and evaluation method and system suitable for nylon 6 in a marine environment, the system comprises nylon 6 as a core layer, an aging response color-changing material as a surface layer and a middle layer located between the core layer and the surface layer; the thickness of the middle layer is 200-250 [mu] m, and the composite conductive film is transferred to the position 0.2 mm below the surface of the nylon 6 component in a hot pressing mode; the thickness of the surface layer is 0-200 microns and is realized by spraying an aging response color-changing material solution. By integrating the specially designed aging response color-changing material and the conductive film into the nylon 6 matrix, real-time, visual and efficient detection of the aging process is realized. According to the method, the problem that equipment such as a traditional optical fiber spectrometer is complex and expensive is solved, the convenience of field detection is greatly improved through double signal output of color gradient indication and simple electronic reading, and a brand new technical solution is provided for life prediction and preventive maintenance of nylon 6 components in ocean engineering.

The invention discloses a surface layer filtering type liquid purification method, which relates to the technical field of liquid purification, and comprises the following steps: taking instantaneous flow direction change of liquid and a particle return path as input, and generating a particle reunion accumulation potential map by constructing a particle distribution density prediction function and a disturbance intensity function; determining whether there is a particle reunion accumulation risk in the surface layer area; under the condition of judging that the particle reunion accumulation risk exists, inputting a high-density region in the particle reunion accumulation potential map, the disturbance duration time and the particle return density into a fusion type residual error recursive network structure, and generating a particle reunion accumulation risk judgment score; and comparing the particle reunion accumulation risk discrimination score with a preset response critical value. According to the method, the problem that short-time particle return is difficult to identify in surface filtering is solved, and accurate prediction and dynamic regulation and control of the particle reunion accumulation risk are realized.

The invention belongs to the technical field of strip mine slope instability monitoring and early warning, and discloses a slope surface layer three-dimensional texture model beyond visual range imaging device and method.The slope surface layer three-dimensional texture model beyond visual range imaging device comprises a plurality of imaging systems, each imaging system comprises a beyond visual range imaging assembly, and the beyond visual range imaging assemblies are installed on a four-direction rotating electric control rack; the beyond-visual-range imaging assembly is in information interaction connection with a processing terminal; the beyond-visual-range imaging assembly comprises a long-focus lens barrel, the long-focus lens barrel is sequentially provided with a front fixing set and a rear fixing set in the light propagation direction, and a focusing module is arranged between the front fixing set and the rear fixing set. The front fixing set comprises a visible light filter and a near-infrared filter which are movably arranged. The system is simple in structure, convenient to use, high in automation degree, high in imaging precision and small in error, facilitates the construction of a three-dimensional texture model of the surface layer of the side slope, and is of great significance in knowing the state of the surface layer of the side slope, evaluating the stability of the side slope, predicting the change of the side slope and improving the monitoring efficiency.

The invention belongs to the technical field of ocean thermocline prediction, and discloses an ocean thermocline space-time prediction method and system based on thermodynamic constraint. The method comprises the following steps: constructing and preprocessing a data set; constructing an ocean thermocline spatio-temporal prediction model based on thermodynamic constraint, completing extraction of thermocline spatio-temporal features, model training and application, and completing spatio-temporal prediction of future underwater different depth temperatures from a sea surface layer to underwater; and completing thermocline multi-feature space-time extraction according to different underwater depth temperatures obtained through prediction by combining a quasi step function approximation method QFA and a vertical gradient criterion GC sub-region identification strategy. According to the method, physical mechanism constraints are introduced, so that the accuracy of thermocline prediction is improved, the interpretability of the model is enhanced, and space-time prediction from sea surface data to underwater thermocline multi-key features is realized.

Provided is a hot-rolled steel sheet that exhibits excellent LME resistance. The hot-rolled steel sheet according to the present disclosure contains, in mass%, 0.030-0.110% of C, 0.01-0.50% of Si, 0.50-1.50% of Mn, 0.025% or less of P, 0.010% or less of S, 0.010-0.070% of Al, 0.0070% or less of N, 0.055-0.200% of Ti, 0.020-0.100% of W, 0.0010-0.0050% of B, and the balance being Fe with impurities. In the microstructure, the area ratio of bainitic ferrite is 85% or more. In a surface layer region from the surface of the hot-rolled steel sheet to a depth of 0.2 mm in the sheet thickness direction, the total length of the old austenite grain boundary in which BO2 - is detected by the time-of-flight secondary ion mass spectrometry is 0.80-5.00 mm per 100 μm x 100 μm. The B segregation degree at the old austenite grain boundary is 80 or more.

The invention belongs to the technical field of geophysical exploration, and particularly relates to a two-section type phase control high-precision speed field building method for a complex structure area. A two-section type phase control high-precision speed field building method for a complex structure area comprises the following steps that a shallow surface layer area marker bed in a research area is determined, drilled wells evenly distributed in the research area are screened out, and according to the shallow surface layer area marker bed and well logging data of the drilled wells, the shallow surface layer area marker bed and the well logging data of the drilled wells are determined; establishing a three-dimensional structure model and determining a shallow surface layer velocity field of the research area; determining a geological anomalous body and a marker bed of a middle-deep layer area in the research area through seismic geology combination, establishing a middle-deep layer structure model, and determining a middle-deep layer velocity field of the research area; a shallow surface layer velocity field and a middle-deep layer velocity field are fused, a velocity field of a research area is established, time-depth conversion of a time-domain seismic data volume is completed, and a depth-domain seismic data volume is obtained, so that the structural interpretation precision in the research area is improved, and support is provided for well position deployment and storage increase and production.

A method for rapidly characterizing the corrosion state of a material in a lead-based liquid metal environment, comprising: using an LIBS device to carry out pulsed laser ablation multiple times on a same position of a surface layer of a corrosion material to implement characterization of the corrosion state of the material: by means of measuring LIBS spectrums corresponding to a plurality of different single laser pulses, obtaining characteristic spectral line intensities of an element to be measured; establishing a correspondence between the characteristic spectral line intensities of the element to be measured and corresponding laser pulse numbers; and obtaining distribution characteristics of the content of the element to be measured along an ablation depth in a corrosion layer. In this way, rapid characterization of the corrosion state of the material is implemented.

The invention discloses a portable coastal zone shallow layer columnar sampler, and relates to the technical field of samplers, the portable coastal zone shallow layer columnar sampler comprises a sampling barrel, the bottom end of the sampling barrel is fixedly provided with a vertical cone, the inner side of the sampling barrel is movably connected with a sampling barrel, and one end, protruding out of the sampling barrel, of the sampling barrel is fixedly provided with a guide seat; an assembling cylinder is fixedly installed at the end, away from the sampling cylinder, of the guiding base, a drill bit body is detachably installed on the assembling cylinder through an assembling mechanism, a separating mechanism used for solid-liquid separation is further arranged on the sampling cylinder, and the assembling mechanism comprises a balance weight lantern ring movably connected to the outside of the assembling cylinder; during use, through the replaceable adaptive drill bit, counter weight auxiliary pressing and elastic rubber sleeve anti-contact design, the drill bit is adaptive to different hard impurity soil, drilling resistance is reduced, part loss is reduced, the drill bit is detachable and convenient to carry, the service life of the drill bit is prolonged, the service life of the drill bit is prolonged, and the service life of the drill bit is prolonged. And the suitability, the portability and the durability are improved.

The invention relates to the technical field of material detection, and particularly discloses a method for determining content distribution of impurity elements in gradient depth of a surface layer of a quartz glass product. The method comprises the following steps: (1) putting a sample into a corrosion-resistant container in a clean environment; (2) adding 5-20wt% of hydrofluoric acid solution for etching, and collecting an extraction solution; (3) evaporating a part of the extraction solution to dryness, and adding 1-3wt% of nitric acid to dissolve residues; (4) measuring the concentration of impurity elements; (5) diluting the leaching solution, and then measuring the concentration of the silicon element; (6) performing a blank experiment; (7) calculating the etching quality and depth according to a formula; and (8) calculating the content of impurity elements in combination with the etching quality. According to the method, layer-by-layer analysis of the surface layer of the quartz glass at different depths in a range from submicron to tens of microns is realized, and the enrichment layer or diffusion gradient of impurity elements can be clearly and intuitively revealed.

The application discloses a micro-nano circular plate fracture analysis method considering coupling of surface effect and plastic zone, and firstly establishes a three-dimensional curved surface coordinate system suitable for a surface layer, and then further corrects a Dugdale cohesion force model according to a superposition principle after considering surface correlation of the plate, and then simplifies the Dugdale cohesion force model into a hyper-singular integral equation by using Hankel transformation, and finally obtains influences of the surface effect on the plastic zone size and crack surface displacement by numerically solving the hyper-singular integral differential equation.The method can accurately capture the nonlinear coupling relationship between the crack size, the surface shear modulus, the torsional displacement and the stress intensity factor under the micro-nano scale, effectively corrects calculation deviation generated by traditional classical theory when the surface effect is ignored, ensures the accuracy of the fracture analysis under different scales, and realizes more accurate and more comprehensive theoretical description of the elastic-plastic fracture behavior of the micro-scale material.

The embodiment of the application provides a reservoir capacity dynamic monitoring method and system based on a UAV, which comprises the following steps: obtaining a reservoir surface layer feature data set through a UAV, determining a water area boundary and scanning a reservoir bottom according to the data set, obtaining underwater topographic elevation and silt distribution data, and constructing a three-dimensional topographic model; determining topographic and silt change data based on dynamic change data of the three-dimensional topographic model of a continuous time sequence. Through change rate analysis, silt space distribution characteristics are obtained, and the amount of silt transport and the silt deposition space rule are determined in combination with water flow velocity. Key driving factors are screened through correlation analysis, a high-risk silt area is determined, silt change in the area is monitored, and thus the reservoir capacity change is mastered. The application can accurately and dynamically monitor reservoir siltation, clearly determine a high-risk area and a change mode, construct a dynamic database, update the capacity change in real time, and provide important technical support for reservoir management and flood control and disaster reduction.

The invention relates to a high-temperature-resistant Si3N4-based wave-absorbing material based on FSS and a preparation method thereof. The high-temperature-resistant Si3N4-based wave-absorbing material based on the FSS comprises a frequency selective surface layer, a porous silicon nitride dielectric layer and a metal substrate which are sequentially stacked from top to bottom, the frequency selective surface layer is composed of M * N FSS units which are periodically arranged in a two-dimensional plane and are in a Jerusalem cross pattern, M is larger than or equal to 8, and N is larger than or equal to 8. The high-temperature-resistant Si3N4-based wave-absorbing material based on the FSS provided by the invention can realize effective absorption of C-Ku wave band electromagnetic waves, has the characteristics of thin thickness, low reflectivity, high strength, high temperature resistance, light weight and wide frequency band, and can realize the purpose that the high-temperature-resistant Si3N4-based wave-absorbing material can be used for absorbing high-temperature-resistant Si3N4-based wave-absorbing material in a complex and severe physical environment with relatively small physical burden. And efficient, reliable and lasting absorption of broadband electromagnetic waves is realized.

An article with a surface layer, that is excellent in fingerprint stain removability, friction resistance, and adhesion to a protective film of the surface layer. The article includes a base material and a surface layer provided on the surface of the base material. The surface layer contains groups having —O— between carbon-carbon atoms of a fluoroalkyl group with two or more carbon atoms and has a normalized F intensity in a range of 0.38 to 0.53, where the normalized F intensity is obtained by preparing a glass containing 4.96 mass % of fluorine atoms as a standard sample, measuring, by an X-ray fluorescence spectrometer, the fluorine atom intensity in the surface layer and the fluorine atom intensity in the standard sample, respectively, and dividing the fluorine atom intensity in the surface layer by the fluorine atom intensity in the standard sample.

The present application provides a method and device for judging the type of point temperature rise defect of a composite insulator based on the curve of the surface temperature of the composite insulator changing with time. Only by adding a blowing device on the basis of the original infrared temperature measurement technology, a disturbance is given to the steady-state temperature field where the composite insulator is located. After a period of time, the disturbance is withdrawn, and the data of the temperature of the composite insulator changing with time after the disturbance is withdrawn is recorded and analyzed to distinguish whether the point temperature rise phenomenon of the composite insulator is caused by the heat generation at the interface of the core rod and the sheath or by the heat generation on the surface layer of the sheath.

The invention provides a hierarchical mixture design index and optimization method according to functional requirements of different pavement layers (a surface layer, a middle surface layer and a lower surface layer) in combination with climate zoning and traffic load characteristics. According to the method, key mechanical parameters (the dynamic stability of a surface layer is greater than or equal to 6000 times / mm, and the low-temperature bending strain of a lower surface layer is greater than or equal to 2500 mu epsilon) are determined according to the horizon function, and then the mineral aggregate gradation and the special asphalt dosage are optimized through coupling analysis of volume parameters (the void ratio is 3%-5%, and the mineral aggregate void ratio is greater than or equal to 17%) and mechanical properties. And meanwhile, a bonding layer interface shear strength test (greater than or equal to 1.2 MPa) is introduced, so that the structural integrity is ensured.

This application provides a method and apparatus for identifying anomalies in micrologging interpretation data. The method includes: acquiring the first arrival wave from historical seismic observation data; acquiring the coordinate data of the micrologging well to be identified; performing tomographic inversion on the surface layer based on the coordinate data and the first arrival wave to obtain surface velocities and thicknesses for different surface layers; generating a first velocity-thickness curve based on the surface velocity and thickness; performing tomographic inversion on the micrologging well to obtain a second surface velocity and a second surface thickness; generating a second velocity-thickness curve based on the second surface velocity and the second surface thickness; and determining whether the second velocity-thickness curve is anomaly based on the first velocity-thickness curve. This application can effectively improve the accuracy of micrologging data, thereby improving the quality of single-shot seismic exploration acquisition and the accuracy of static correction calculations in data processing.

The invention belongs to the field of marine environment monitoring, and particularly relates to a method for synchronously measuring the drifting speed of floating objects on the sea surface and the flow speed of ocean currents on the peripheral surface layer, which comprises the following steps: manufacturing a drifting buoy, and enabling the drifting buoy to vertically float on the sea surface and be completely submerged in water through a steel bar counterweight; releasing the drifting buoy to a target position through the unmanned aerial vehicle; tracking and shooting drifting buoys and sea surface floating objects, and acquiring and storing image data containing positions of the drifting buoys and the sea surface floating objects; converting the relative positions of the pixels of the image data acquired by the unmanned aerial vehicle into latitude and longitude coordinates, and generating a TIFF file; after the unmanned aerial vehicle image of the TIFF file is subjected to geometric correction, the corrected TIFF file is transmitted to QGIS software, the drifting buoy position and the sea surface floating object position are marked, and the imaging moment is synchronously recorded; and calculating the sea surface floater drift speed and the peripheral surface ocean current flow velocity based on the position change at the adjacent moments. According to the scheme, the sea surface flow velocity of the near area of the sea surface floating object can be accurately measured, and the depth of the measured surface flow velocity is determined.

The present invention relates to the technical field of composite material connection, and discloses a composite material interlayer connection method and a corresponding composite material. The composite material interlayer connection method includes three processes: making an inlay, making a bottom layer, and making a surface layer. The inlay includes a bottom layer insert and a surface layer insert. The bottom layer insert is embedded in the bottom layer, and the surface layer insert is embedded in the surface layer. The surface layer insert and the bottom layer insert are fixedly connected, and the inlay is used to realize the fixed connection between the surface layer and the bottom layer. The composite material produced by using the composite material interlayer connection method of the present invention has the characteristics of high connection strength, low process risk, designable connection strength, and low manufacturing cost.

The invention discloses a ballast bed thickness identification method and device based on geological radar data. The method comprises the following steps: acquiring geological radar data of a railroad bed; the geological radar data comprises waveform amplitude data of different horizontal positions and different geological horizon positions of a railroad bed; based on a preset algorithm, performing feature extraction on the geological radar data to obtain an incident surface layer bit line and a reflecting surface layer bit line; the preset algorithm is used for extracting an incident plane horizon bit line based on the absolute value of waveform amplitude data of geological radar data and the light volatility characteristic of an incident plane; extracting a reflecting surface horizon bit line based on the signal similarity of geological radar data and standard Ricker wavelets; the standard Ricker wavelet frequency is the same as the radar frequency; and determining the thickness of the ballast bed layer by utilizing the depth difference between the bit line of the incident surface layer and the bit line of the reflecting surface layer. The accuracy and efficiency of horizon information extraction can be improved.

The present invention provides a prediction method capable of more accurately predicting hot working conditions for generating cracks and suppressing generation of cracks during actual hot working. A hot working condition prediction method for predicting hot working conditions of a material to be hot-worked having a decarburized layer on a surface layer, the method comprising: a hot working characteristic acquisition step for acquiring hot working characteristics of a portion that becomes a ferrite-austenite two-phase region in the decarburized layer formed on the surface layer of the material to be hot-worked; a first analysis step for performing plastic deformation analysis on the basis of a simulation using the acquired hot working characteristics as an input value, and deriving a failure threshold value; a second analysis step for performing plastic working analysis based on a simulation in which actual hot working is simulated, and deriving a failure parameter corresponding to the amount of work of the material to be hot-worked; and a working condition deriving step for deriving a working condition threshold value during hot working in an actual device on the basis of the failure threshold value and the failure parameter.

The application discloses a soft and dry double-layer composite material, which comprises a bottom layer and a surface layer arranged on the upper portion of the bottom layer, wherein the surface layer has an upper surface and a lower surface, the surface layer is provided with an opening penetrating through the surface layer, the bottom layer is provided with a first protruding portion protruding upward, the first protruding portion penetrates through the opening, the top surface of the first protruding portion is higher than the plane where the upper surface of the surface layer is located, and the fiber fineness of the bottom layer is smaller than that of the surface layer. The application can provide a good soft and comfortable experience for users and improve the dryness of the material.

The present disclosure provides a hybrid atomic layer etching (ALE) process that combines a gas-phase surface modification step with a liquid-phase dissolution step for etching an exposed material on a substrate disposed within a process chamber. In the hybrid ALE process disclosed herein, a gas-phase reactant is used to modify an exposed surface of the material to create a modified surface layer, and one or more liquid-phase reactants are used to selectively dissolve the modified surface layer without dissolving the material underlying the modified surface layer. Once the modified surface layer is selectively dissolved, the substrate may be dried and the gas-phase surface modification and liquid-phase dissolution steps may be repeated for one or more ALE cycles until a desired amount of the material is etched.

According to the sample analysis equipment provided by the embodiment of the invention, the to-be-detected item of the to-be-detected sample is determined through the item determination module, and if the detection result of the to-be-detected item is influenced by the air, for example, the surface layer of the to-be-detected sample interacts with the air to interfere the detection result, and the to-be-detected substance escapes to the air, the to-be-detected item is analyzed. If yes, the sampling needle is controlled to suck the sample under the surface layer of the sample to be detected for detection, so that the influence caused by interference is reduced or even avoided, and the result accuracy of the detection item is improved. The embodiment of the invention further provides a sample analysis method and a computer readable storage medium.

The present application relates to the technical fields of belt tearing online monitoring, more particularly to a fuel running belt tearing online monitoring and early warning system, comprising: a belt, wherein the interlayer is set to be different from the surface layer in color; a collection module capable of collecting data of the belt; a control module for analyzing and judging according to the data information of the collection module, monitoring and early warning of the belt tearing; the belt multilayer property is utilized, the interlayer is set to be different from the surface layer in color, which is conducive to improving the accuracy of the tearing trace judgment; the real-time monitoring of the belt tearing is realized through the real-time collection of the belt data; through the setting of the inductor unit and the sensor, the internal monitoring of the belt can be realized, and the monitoring of the accident occurrence position can be realized at the same time, improving the monitoring efficiency.

The invention relates to the field of aquatic ecosystem restoration, and discloses an aquatic ecosystem rapid restoration construction method which comprises the following steps: stripping a bottom mud surface layer by utilizing a controlled hydraulic vortex field to form suspended particle cloud; double closed-loop intelligent control is started during construction, the physical state of operation is adaptively adjusted based on real-time feedback of process acoustic signals, meanwhile, the biological potential and the environmental risk of the suspended particle cloud are diagnosed online, and according to the decision, a corresponding repairing preparation is injected; according to the invention, by constructing an intelligent operation system with unified physical execution and biochemical decision, the restoration mode conversion from traditional exogenous coverage to endogenous potential awakening is realized, and real-time diagnosis and adaptive regulation and control can be carried out on each operation point location in a complex and uncertain underwater environment, so that blind construction is avoided, and the construction efficiency is improved. And the effectiveness of ecological restoration is improved.

The invention provides a copper liquid continuous oxygen determination probe. A gradient composite protection tube essentially considers the erosion resistance of a surface layer and the thermal shock resistance of the whole from the material; due to the unique design of the turbulent flow cover and the thermal buffer cavity, destructive power of mechanical scouring and thermal shock is effectively eliminated from the physical structure; according to the modularized solid-state reference and the modularized sensing unit, the leakage and failure risks of a traditional air reference are fundamentally avoided, and the stability of a core measuring element is improved; the integrated intelligent diagnosis system not only can output high-reliability measurement data, but also can monitor the health state of the probe in real time and predict the residual life, so that the conversion from passive failure replacement to active early warning maintenance is realized. According to the scheme, the structural design is reasonable, the process complexity and the manufacturing cost are not excessively increased while the service life of the probe is remarkably prolonged, the measurement stability is remarkably improved, and good industrial application prospects and economic benefits are achieved.

The invention discloses self-repairing aerogel as well as a preparation method and application thereof, and belongs to the technical field of new materials. The aerogel comprises a substrate aerogel layer, a self-repairing functional layer and a reinforced skeleton, wherein the substrate is SiO2 aerogel and is prepared by adopting a combustion synthesis method; the self-repairing functional layer is composed of a polyimide microcapsule-ultraviolet curing type siloxane repairing agent system embedded in the substrate and a nanofiber reinforced polyurea and temperature-sensitive repairing component composite coating coated on the surface; and the reinforced framework is a Ni-Ti memory alloy mesh support. Through a synergistic mechanism of'surface layer temperature-sensitive flow repair-deep microcapsule repair agent release-skeleton crack propagation inhibition ', crack repair is realized, stability is maintained under extreme temperature difference, and the radiation shielding efficiency is high. The problems that a traditional material is insufficient in repairing capacity under the extreme environment of the moon and depends on external maintenance are solved, the durability and safety of moon buildings are remarkably improved, and the important aerospace application value is achieved.