68 results about "Self repair" patented technology

The invention discloses an intelligent management system and method for knowledge graph quality evaluation and self-repairing, belongs to the technical field of knowledge graphs, and aims to solve the problems that in traditional knowledge graph management, manual auditing efficiency is low, an effective automatic repairing means is lacked, and data complexity and real-time changes are difficult to deal with. The system firstly collects multi-source heterogeneous data in a target field, cleans the data through a deep learning noise recognition model, extracts entities and relationships by using a natural language processing technology, and adds metadata to convert the entities and relationships into graph structure data; then, a graph framework is defined based on the ontology, entity semantic alignment is achieved in combination with a graph neural network, and a knowledge graph is constructed by complementing implicit relations with the help of a pre-training language model. Then, the quality of the atlas is quantitatively evaluated through a four-layer quality evaluation system, meanwhile, a repair scheme is generated based on vulnerability feature extraction, knowledge base matching and decision fusion, and intelligent self-repair is achieved; the map can be monitored in real time and evaluated regularly, a repair strategy and a knowledge base are optimized through reinforcement learning, it is ensured that the map is kept accurate and time-efficient for a long time, and the practical value is improved.

The invention relates to the field of high polymer materials, and discloses a high-wear-resistance elastomer sole material and a preparation method thereof.The material comprises an elastomer matrix and surface-modified boron nitride nanosheets; the elastomer matrix comprises a first dynamic network and a second dynamic network which are formed through crosslinking of dynamic covalent bonds, and the first dynamic network and the second dynamic network are based on different types of dynamic covalent bonds and have different dissociation activation energy barriers or external stimulus response conditions. The surface-modified boron nitride nanosheet and the second dynamic network form a selective interface enhancement effect; the preparation method comprises the steps of polymer functionalization, nanosheet surface modification, melt blending reaction net forming, forming and the like. The obtained elastomer sole material not only has excellent wear resistance and mechanical properties, but also can realize self-repair of graded response aiming at damages of different degrees, and the service life of the material is remarkably prolonged.

The invention relates to the technical field of network operation and maintenance, in particular to a network health automatic diagnosis and closed-loop repair method and related products, and the method comprises the steps: establishing a dynamic health baseline; abnormal deviation of the real-time operation data is recognized; predicting the risk probability that the network equipment has an operation fault in the future; selecting and executing a corresponding repairing action; verifying whether the abnormal deviation is eliminated; if the abnormal deviation is not eliminated, continuing to execute repair until the abnormal deviation is eliminated or the maximum repair frequency is reached; according to the method, the accuracy and the foresight of network fault diagnosis are improved by deeply fusing the artificial intelligence algorithm into a network operation and maintenance scene, and the intelligent and autonomous management of the network is realized by introducing a closed-loop repair mechanism with autonomous learning and decision-making capabilities. And the reliability, the stability and the self-repairing capability of the whole network infrastructure are enhanced.

The invention relates to the field of floors, and particularly discloses a floor with a self-cleaning function and a preparation method.The floor comprises a main body layer, the top face of the main body layer is sequentially provided with a self-cleaning coating, an anti-fouling protection layer, a repairing function layer and a surface layer, and the self-cleaning coating is a nano composite coating; the anti-fouling protection layer is a polyurethane resin and super-hydrophobic substance mixed coating, the repairing function layer is a polyurethane resin and microcapsule mixed coating, repairing components are contained in microcapsules, the surface layer is a mixed coating of polyester resin, wear-resistant particles and an anti-ultraviolet additive, and the surface layer is a polyurethane resin and super-hydrophobic substance mixed coating. The floor with the self-cleaning function has the super-hydrophobic function, the self-cleaning function, the antifouling function, the wear-resisting function and the self-repairing function, and the high-performance requirement for the floor in the modern home and commercial environment is met.

The application provides an emulsion thickener with acid recovery stability and a preparation method thereof, and relates to the technical field of thickener.The raw materials of the emulsion thickener include polymerized monomers, emulsifiers, initiators, crosslinking agents, water and structural additives; the polymerized monomers include first monomers and second monomers, the first monomers are alpha, beta-unsaturated acid monomers, the second monomers are alpha, beta-unsaturated ester monomers, and the structural additives are polypeptides including polar amino acid residues.The emulsion thickener with acid recovery stability can quickly recover to the viscosity in the alkaline condition and gradually increase when the system changes from the alkaline condition to the acidic condition, effectively improves the response rate of network reconstruction, and realizes the self-repairing function.The preparation method of the emulsion thickener with acid recovery stability is simple and easy to operate, has good stability, and can be implemented in industrialization.

The utility model discloses a wear-resistant automobile cover which comprises an automobile cover body, the automobile cover body comprises a self-repairing layer, an ultraviolet-proof layer, a waterproof layer, a heat dissipation layer and a bottom cover, and the self-repairing layer, the ultraviolet-proof layer, the waterproof layer, the heat dissipation layer and the bottom cover are sequentially arranged from top to bottom. The self-repairing layer is a polyurethane coating containing chitosan and an oxetane structure, the bottom cover is made of polyester fibers, and by arranging the self-repairing layer, when the surface of the coating is scratched, the annular structure of oxetane in the self-repairing layer is broken and can generate chemical reaction after being exposed, and when ultraviolet light irradiates, the surface of the coating is not damaged, so that the surface of the coating is not damaged. The exposed tail ends of the chitosan and the oxetane in the coating attract each other and are combined together to repair the annular structure, so that the self-repair of the damaged part of the coating is realized, and the wear resistance and the practicability of the automobile cover are improved.

The invention discloses a material for improving impervious and self-healing functions of concrete and a preparation method of the material. The material is prepared from 8-10 parts of polypropylene fibers, 30-35 parts of a magnesium expansion material, 30-35 parts of an active low-carbon cementing material, 10-15 parts of a mineral admixture active exciting agent, 3-5 parts of sodium carbonate, 1-2 parts of calcium formate, 3-5 parts of a catalyst and 1-2 parts of a penetration enhancer. The polypropylene fiber is monofilament or reticular modified polypropylene fiber, the length is 6-19mm, and the diameter is 18-48; the active low-carbon cementing material is one or more of granulated blast furnace slag micro powder or I-grade fly ash; the catalyst is an aluminate compound and is used for accelerating the reaction process of active substances, calcium ions and water. The water penetration resistance of the concrete is remarkably improved by exciting the activity of the active low-carbon cementing material in the concrete, pores and cracks in the concrete can be effectively filled, and the self-repairing and healing capacity of the concrete is improved.

The utility model discloses water conservancy pipeline anti-corrosion coating equipment which comprises a water pipe body and connecting ends, the two ends of the water pipe body are fixedly connected with the connecting ends, external threads are arranged on the outer surfaces of the connecting ends, and the outer surfaces of the connecting ends are in threaded connection with protection rings and fastening bolts through the external threads respectively. The nanometer protection layer, the light reinforcing layer and the natural protection layer are arranged, the nanometer ceramic coating is arranged in the nanometer protection layer, the nanometer technology is adopted, the coating has high hardness and good corrosion resistance, the abrasion resistance of the water pipe can be remarkably improved, the glass fiber reinforced plastic material is arranged in the light reinforcing layer, and the natural protection layer is arranged in the light reinforcing layer. The natural protective layer has good corrosion resistance, light weight and high strength, the weight of the pipeline can be reduced, the mounting efficiency is improved, the interior of the natural protective layer is made of clay, an additional protective layer is provided for the pipeline by utilizing the corrosion resistance of natural clay, and meanwhile, the natural protective layer has certain self-repairing capacity.

The utility model discloses a high-strength graphite electrode, which belongs to the technical field of graphite electrodes and comprises a graphite electrode body and a connector, internal threads are respectively arranged at two ends of the graphite electrode body, a first external thread is arranged on the connector, a second external thread is arranged on the connector, a vertical groove is arranged on one side of the connector, and the vertical groove is connected with the graphite electrode body. A groove is formed in the graphite electrode body, an inner core of the graphite electrode body is a graphite electrode layer, the outer side of the graphite electrode layer is wrapped with a self-baking electrode, reinforcing ribs are uniformly distributed in the self-baking electrode, and the outer side of the self-baking electrode is wrapped with a wrapping layer; according to the high-strength graphite electrode, the interlayer shear strength is improved through the carbon nano reinforcing ribs, under the action of the vertical grooves and the grooves, stress is dispersed, the service life is prolonged, the weight of the graphite electrode body of the hollow structure is reduced, hot melting is reduced, the self-baking electrode has a self-repairing function, the consumption of the electrode is reduced, and the service life of the electrode is prolonged. And the anti-oxidation service life is prolonged through the coating layer of the amorphous carbon layer.

The invention discloses a special cementing material for anticorrosive concrete and a preparation method of the special cementing material, and relates to the technical field of building materials. The cementing material is prepared from the following components in parts by mass: 1 to 4 parts of candy pomace, 15 to 25 parts of tailings, 0.5 to 1.5 parts of a water reducing agent, 8 to 18 parts of furnace slag, 25 to 35 parts of novel low-calcium clinker, 3 to 9 parts of white mud, 2 to 6 parts of micro-plastic, 3 to 8 parts of titanium gypsum and 15 to 25 parts of aluminoferrite cement clinker, the mineral composition of the novel low-calcium clinker comprises 40%-50% of dicalcium silicate, 25%-30% of calcium sulphoaluminate, 3%-8% of calcium sulphosilicate, 3%-8% of tetra calcium aluminoferrite, 8%-15% of calcium sulfate and 1%-5% of free calcium oxide. A large amount of industrial solid waste is consumed, and the method has the advantages of being low in carbon, environmentally friendly and low in cost; through the synergistic effect of micro-expansion, close packing, conductive retardation and self-sealing carbonization, efficient comprehensive protection against various corrosion factors is achieved; the self-repairing and self-compacting capabilities are realized, so that the service life of a concrete structure in a harsh environment is remarkably prolonged.

The present invention discloses a dynamic management method for a logistics supply chain based on the Internet of Things, which relates to the field of logistics management technology and includes the following steps: constructing a radio frequency interference spatial fingerprint library, identifying interference areas and generating a radio frequency interference distribution map by collecting the transmission frequency, signal strength and spatial distribution of multiple radio frequency identification reading and writing devices. The present invention accurately identifies interference hotspots by constructing a radio frequency interference spatial fingerprint library and a distribution map, and combines dynamic tag gain and timing management to avoid signal conflicts and response failures. Real-time monitoring of communication stability and implementation of local adjustment and self-checking can achieve rapid abnormal response and self-repair. Optimize equipment deployment and transmission power, dynamically eliminate interference blind spots, improve identification stability and data accuracy, reduce logistics errors and risks, enhance supply chain transparency and responsiveness, promote intelligent and reliable logistics management, and improve the system's anti-interference ability and overall operational efficiency.

The invention relates to the technical field of remote control, in particular to an automatic contraction hanging basket remote control system which comprises a main control unit recognition module, an automatic control module, a remote control terminal module, a data communication optimization module and an action instruction distribution module. In the invention, by combining a hanging basket contraction program with action triggering of a mechanical execution mechanism, stress monitoring of a hanging basket connecting part and action feedback, deep fusion of automatic control and real-time monitoring is realized, dynamic control and an execution path of the hanging basket are optimized, accurate action execution and efficient resource allocation are ensured, and the safety of the hanging basket is improved. The system can perform real-time control according to different working environments, errors and potential safety hazards caused by manual operation are reduced, and through continuous feedback and data updating, the system can automatically adjust a control strategy, enhance adaptability and self-repairing capability, ensure efficient and safe operation of hanging basket operation under different conditions, improve the intelligent and automatic level, and improve the working efficiency. And the overall operation efficiency and safety are obviously improved.

The invention relates to the technical field of wire and cable manufacturing, and aims to provide a high-performance digital signal cable for a high-speed rail, which sequentially comprises a cable core, a heat insulation layer, a protection repair layer, a reinforced composite shielding layer, a multiple high-flame-retardant protective layer, a high-shielding reinforced armor layer and a multiple high-flame-retardant outer sheath from inside to outside, wherein the protection repairing layer adopts a foaming belt structure with independent foam holes, the foam holes are filled with special signal transmission media, when the cable is impacted by external force or flattened, the transmission media can be released through a foam hole self-explosion mechanism, a signal transmission channel is automatically established or recovered, and the self-repairing function of the cable is achieved. Meanwhile, by adopting the large-section conductor design and combining the synergistic effect of the reinforced composite shielding layer and the high-shielding reinforced armor layer, the cable has the advantages of long-distance transmission capability, excellent shielding performance, excellent mechanical shock resistance and high-grade flame-retardant safety, and can meet the use requirements of high-speed railways in complex and severe environments.

The invention discloses a hollow interlayer compound steel pipe energy dissipation anti-collision device and an installation method, and relates to the technical field of traffic safety protection. The device comprises a high-strength supporting plate, the bottom of the high-strength supporting plate is fixedly connected with a rubber strip, the bottom of the rubber strip is fixedly connected with a center shaft, the bottom end of the high-strength supporting plate is fixedly connected with a semi-arc barrel, and the semi-arc barrel is filled with first energy absorption balls; a middle layer energy absorption assembly is arranged between the bottom of the center shaft and the inner wall of the upper portion of the semicircular arc barrel. The energy dissipation protection effect is improved, meanwhile, assembly can be conducted, installation is convenient, the anti-collision position can be adjusted easily, self-repairing can be conducted after collision is conducted, repeated use is achieved, cost is reduced, then the practicability of the anti-collision device is improved, slow self-repairing can be conducted when large-force collision is conducted, and the service life of the anti-collision device is prolonged. And the damage of bounce to the driver is avoided, and the protection effect is improved.

The invention provides a system abnormality diagnosis method, device and equipment and a readable storage medium, and the method comprises the steps: aiming at an embedded system running on BMC equipment, before the embedded system does not carry out dog feeding reset to trigger an overtime restart event of overtime restart of the embedded system of a watchdog deployed on the BMC equipment, carrying out dog feeding reset on the embedded system; according to the method, a watchdog pre-timeout interrupt event is introduced, a repair window is provided based on the pre-timeout interrupt event, a user mode program of the embedded system is utilized to diagnose an exception type based on system operation related information, and an exception repair strategy is introduced to try to carry out self-repair before the embedded system is restarted. According to the method, data loss and service interruption caused by direct restart are reduced, the dog feeding request is actively sent to the kernel to reset the watchdog timer when the abnormity of the embedded system is successfully repaired, system restart is inhibited, unnecessary system restart is avoided, and reliability and recoverability of the system are improved.

The invention discloses a motor anti-corona structure design method and device considering the voltage division proportion of an anti-corona structure, core parameters of the motor anti-corona structure can be obtained by testing and calculating specific parameters of a motor bar, the method is suitable for various motors, especially high-voltage and ultrahigh-voltage motors and high-voltage variable-frequency motors, and the motor anti-corona structure design method and device are suitable for various motors. The device can simulate stator end parts of motors of multiple models, avoids the problem that a large-scale production line needs to be used for preparing winding bars when anti-corona structures of motors of different models are tested, and also avoids the problem that the corona discharge test of an anti-corona layer is interfered by partial discharge in a main insulator by utilizing the self-repairing characteristic of insulating oil. Through cooperation of the motor anti-corona structure design method of the anti-corona structure partial pressure proportion and the motor anti-corona structure detection device, design of various motor anti-corona structures can be realized, and the motor anti-corona structure detection device has the advantages of wide application scene, low cost, easy realization and the like. And rapid, accurate, simple, convenient and economical design and evaluation of different motor anti-corona structures are facilitated.

The invention relates to the technical field of polymer composite materials, and particularly discloses a nano-composite self-repairing cable sheath material and a preparation method thereof. The invention discloses a nano composite self-repairing cable sheath material. The cable sheath material is prepared from the following raw material components in parts by weight: 110 to 130 parts of organic silicon-polyurethane block copolymer, 2.5 to 4.5 parts of silane treatment filler and 2 to 6 parts of microcapsules, the organic silicon-polyurethane segmented copolymer is prepared from the following raw materials: a polyurethane prepolymer, amino silicon oil, dithiodipropionate and 1, 4-benzene bis (pinacol) diborate; the microcapsule is prepared from the following raw materials: urea, a formaldehyde solution and polydimethylsiloxane; the silane-treated filler is prepared from the following raw materials: a carbon nano tube, nano titanium dioxide and a silane coupling agent. The sheath material disclosed by the invention has relatively good self-repairing performance and tensile strength.

The invention discloses an invisible optical cable with a self-repairing function, and relates to the technical field of communication engineering, and the invisible optical cable comprises 90%-95% of a base material, 2%-8% of a reinforcing filler and 0.5%-2% of an auxiliary agent. According to the invisible optical cable with the self-repairing function, by upgrading the sheath from a passive physical barrier to an intelligent structure with active repairing capacity, the capacity of the invisible optical cable for coping with unpredictable daily damage is greatly improved, the process compatibility is good, a material system is suitable for existing extrusion molding equipment, a production line does not need to be transformed, and the production efficiency is improved by repairing micro damage. The optical cable is prevented from expanding into a fatal fault, the service life of the optical cable is effectively prolonged, the maintenance and replacement cost is reduced, the attractiveness is kept, visible scratches and indentations can be eliminated through the self-repairing function for invisible optical cables installed at the bright positions of skirting lines, door frames and the like, and the attractiveness of the installation environment is kept for a long time; a user can complete repairing without any tools and professional skills.

The invention discloses a polishing wheel for arc diamond wafer machining and a preparation method and application of the polishing wheel, the novel polishing wheel is designed for polishing of single crystal diamond with radian, the polishing wheel has certain hardness and flexibility, the machining efficiency in the machining process is guaranteed, meanwhile, concession can occur in the machining process, and the polishing effect is good. The single crystal diamond sheet is prevented from being broken, meanwhile, the grinding head has a self-sharpening function, self-repairing is conducted through the hardness of the workpiece single crystal diamond, sharpening and shaping are not needed in the whole machining process, and a good surface type can be kept all the time.

The invention discloses an all-dimensional intelligent health-care conditioning system and method, which can enable a user to complete systematic health-care conditioning in fragmented time, help organs such as blood vessels, bones, intestinal tracts, livers, brains, lungs and the like to be self-repaired through massage conditioning, reasonable exercise, targeted diet and multi-dimensional rest and keep the organs in a healthy state for a long time. And thus, the user can keep a healthier physical state. The method comprises the following steps: intelligent detection: obtaining physiological data such as sitting / standing / exercise / eye fatigue degree / sleep quality / diet demand of a user through a wearable device connected with an app; intelligent analysis: analyzing and generating a conditioning scheme required by the user through the obtained data; the conditioning schemes comprise a massage scheme, an exercise scheme, a diet scheme and a rest scheme; the massage scheme comprises foot massage / back massage / abdomen massage / head massage / hand massage / hot compress conditioning; the exercise scheme comprises the steps that resistance exercise / aerobic exercise / stretching exercise is formulated according to the body fat rate / dietary habits / muscle fatigue degree and the like of the user; the diet scheme comprises a heat balance scheme and a nutrient intake scheme; the rest scheme comprises physiological rest / psychological rest / sensory rest / creative rest / cultural rest and the like.

The invention discloses an intelligent diagnosis and self-healing method for transmission abnormity of a communication system, and the method comprises the steps: carrying out the real-time analysis of collected mass signal data according to a pre-established abnormity type judgment rule base, and recognizing a potential transmission abnormity type; a fault diagnosis decision tree model is constructed, a system state evaluation index is comprehensively considered, and a root cause causing transmission abnormity is reasoned; according to a self-healing strategy configuration file, an optimal recovery measure is matched, and self-healing of the system is achieved through a backup data recovery mechanism or a redundant module hot switching function; for different types of signals, key feature parameters of the signals are extracted, and a transmission interruption risk prediction model is constructed in combination with a communication link topology logic representation method; mining abnormal transmission modes from a historical transmission event data set to form a transmission abnormal mode library as a knowledge base for interruption early warning; and calculating an interruption risk assessment index of each signal, and according to a risk grade division standard, judging a risk grade to which the signal belongs.

The utility model provides an optimization assembly capable of achieving self-repairing adjustment of pulled cloth after cloth cutting. The optimization assembly is simple in structure and capable of enabling the cloth to conduct self-repairing adjustment on distance errors so as to improve the cloth rolling quality. Comprising a cloth rolling machine body, a first rubber roller, a second rubber roller and a third rubber roller, the first rubber roller, the second rubber roller and the third rubber roller are arranged on the cloth rolling machine body and used for receiving cloth passing through a V-shaped frame, and the third rubber roller is rotationally arranged on the cloth rolling machine body, located beside the first rubber roller and far away from the first rubber roller.

The application relates to the technical field of smart home, and discloses a control method for a smart home system, which comprises the following steps: monitoring the running state of the smart home system in the case that a smart home device of the smart home system executes a control strategy; in the case that the running state is abnormal, acquiring the type of the abnormality, the performance of the abnormality and the occurrence environment of the abnormality according to the running state, and determining the abnormality cause of the smart home system according to the type of the abnormality, the performance of the abnormality and the occurrence environment of the abnormality, so as to determine whether the smart home system can self-repair the abnormality; in the case that the smart home system can self-repair the abnormality, repairing the abnormality by using a preset repair operation in the smart home system, and obtaining a repair feedback result; and updating the repair operation of the smart home system according to the repair feedback result. The application can still execute the control strategy when the smart home system is abnormal, thereby improving the stability of the system.

The invention relates to the field of hair loss prevention, in particular to a hair loss prevention composition of a fibroblast growth factor 7, a preparation method and a beverage. The anti-hair loss composition of the fibroblast growth factor 7 disclosed by the invention is prepared from the following raw materials: the fibroblast growth factor 7, Noggin recombinant protein, Omega-3 fatty acid, gingerol, ginsenoside and trace additives, the mass ratio of the fibroblast growth factor 7 to the Noggin recombinant protein to the Omega-3 fatty acid to the gingerol to the ginsenoside to the trace additive is 2: 3: 1: 4: 1: 1: 1, and the trace additive comprises the following raw materials: water, a zinc element, vitamin B7, theanine and a copper element. Experiments prove that the anti-hair loss composition containing the fibroblast growth factor 7, provided by the invention, has the advantages that the self-repairing capability of hair follicles can be improved, and the atrophic or dormant hair follicles can enter a growth period again, so that the hair growth is promoted, and the composition also has an effect of reducing hair loss.

The invention discloses a negative pole piece and an electrochemical device comprising the negative pole piece, and relates to the technical field of electrochemical energy storage. The negative pole piece is provided with a dynamic cross-linked coating, the dynamic cross-linked coating comprises a cross-linked polymer containing boric acid ester bonds, and the porosity of the coating is 20%-50%. The dynamic cross-linking coating is cooperatively constructed on the surface of the negative pole piece by adopting a photocuring dynamic cross-linking and electrolyte interface stabilizing technology, a porous network structure with high strength, toughness and a self-repairing function is formed, the coating is an elastic matrix, and the pole piece can deform to buffer stress when expanded, so that penetration of dendritic crystals is effectively resisted, and the service life of the pole piece is prolonged. Meanwhile, the volume expansion of the pole piece is inhibited, especially for a silicon-containing negative electrode, the stability of a negative electrode interface is improved, and the liquid retention rate and the long-cycle capacity retention rate of the lithium ion battery are improved.

The utility model discloses a self-repairing anti-bending drag chain cable, which comprises a cable core and an outer protective layer wrapping the cable core, and the cable core is provided with a plurality of main lines and tensile reinforcing bundles. The outer sheath is of a three-layer structure, the outer layer wraps the inner layer, the structure of the outer sheath sequentially comprises a wrapping layer, a shielding layer and a self-repairing layer from inside to outside, and the self-repairing layer is a layer of microencapsulated butyl rubber sheath. The self-repairing cable is reasonable in structural design and has the following beneficial effects that the self-repairing cable has self-repairing performance due to the arrangement of the self-repairing layer, when the microencapsulated butyl rubber is damaged by external force on the sheath to generate cracks, the broken microcapsules can release repairing agents to react with surrounding materials to fill the cracks, and the service life of the cable is prolonged. And self-repairing can be quickly realized when the cable is bent and damaged, so that the service life of the cable is effectively prolonged, and the downtime and the maintenance cost of equipment caused by cable damage are reduced.

The application discloses a low-concentration gas enrichment and membrane repair self-circulation device, which comprises a kettle body, a guide channel and a turnover mechanism; the kettle body is internally divided into an enrichment area and a repair area; a membrane adsorption separation module is arranged in the enrichment area, and the membrane adsorption separation module comprises an adsorption membrane; a membrane self-repair module is arranged in the repair area, and the membrane self-repair module comprises a cleaning material; the guide channel is used for guiding the decomposition products of the cleaning material to enter the adsorption membrane in the enrichment area; a valve for controlling opening and closing is installed on the pipeline of the guide channel; a solar energy driving module is inlaid on the outer wall of the bottom of the kettle body and is used for providing heat energy for the cleaning material; and the turnover mechanism can drive the kettle body to overturn and stand upside down. The low-concentration gas is efficiently treated and the self-repair function of the membrane is realized by utilizing heat energy to drive the cleaning material to automatically clean the impurities on the surface of the membrane, so that the service life of the membrane is prolonged, the artificial maintenance cost is reduced, the service life of the membrane is prolonged, and the device is environment-friendly and safe.

The invention provides a TEM liquid sample chamber capable of self-repairing and dynamic thickness regulation and a preparation method thereof, and relates to the field of TEM sample preparation, the sample chamber comprises two nano-fiber composite windows arranged oppositely, the nano-fiber composite windows comprise an SWCNT reinforced PDMS matrix, microcapsules are uniformly distributed in the nano-fiber composite windows, and the microcapsules contain repairing components; the spacing layer is arranged between the two nanofiber composite windows, and the to-be-detected liquid forms a liquid layer in the spacing layer; the piezoelectric adjusting assembly comprises a pair of piezoelectric elements symmetrically arranged on the two opposite sides of the spacing layer, and the piezoelectric elements are configured to achieve thickness adjustment of the liquid layer by driving the spacing layer to deform. According to the application, the nanofiber composite window embedded with the microcapsule is introduced, so that rapid repair can be realized when electron beams are generated in the sample chamber to induce micro-cracks; the thickness of the liquid layer is dynamically adjusted through the piezoelectric element, different testing environments can be effectively adapted, and the imaging resolution is improved.

This application relates to a cyanobacteria extract with photothermal damage repair effects, its preparation method, and its application, belonging to the field of cosmetic raw material technology. The cyanobacteria extract provided in this application can be used to balance the inflammatory and repair signaling pathways of skin cells after photothermal damage, and can be used to prepare skin care products with soothing, anti-inflammatory, and barrier-repair-promoting effects. It can synergistically balance the pro-inflammatory damage signaling pathway TLR4 / NF-κB axis and the survival-promoting repair signaling pathway HSP90 / PI3K-Akt axis simultaneously activated in skin cells after photothermal damage, targeting multiple points. This can more effectively control excessive inflammation, reduce secondary damage, and enhance the cell's self-repair ability. It is suitable for various scenarios such as sunburn, post-laser surgery, and thermal environment damage, and has significant technical advantages compared to existing technologies, with broad application prospects and huge market value.

An energy-driven self-healing anchor bolt device and support method are disclosed, belonging to the field of geotechnical engineering anchor bolt support technology. The device includes an outer solid rod body, an inner solid rod body, and an energy-dissipating repair unit. The exposed section of the outer solid rod body is fitted with a nut and a tray, and its right end of the embedded section has a large-height drive external thread. The energy-dissipating repair unit includes a hollow sleeve, a grout package, and a puncture component. The right end of the hollow sleeve is connected to the inner solid rod body, and its left side engages with the right thread of the outer solid rod body via a large-height drive thread pair. The grout package is fixed to the right end of the outer solid rod body, and the puncture component is fixed to the left end of the inner solid rod body. The method involves assembling the anchor bolt device; pushing the anchor bolt device and resin anchoring agent into the borehole to the designed depth; completing the anchoring using end-mounted or extended anchoring methods; during service life, when subjected to axial load input, the energy-dissipating repair unit automatically performs mechanical energy dissipation, grout triggering, and strength repair sequentially. This invention can dissipate impacts and improve support strength through self-repair.