228results about How to "Resist erosion" patented technology

The invention discloses a carbon ceramic composite conductive microsphere, a ceramic resistor and a preparation method, and belongs to the technical field of production of special materials of electrical equipment, and the method comprises the following steps: sequentially dipping porous mullite in a precursor solution of carbon and slurry containing carbon black, and carrying out drying treatment and carbon burying sintering to obtain the carbon ceramic composite conductive microsphere; the preparation method comprises the following steps: preparing a ceramic raw material, performing vacuum-assisted centrifugal impregnation on the ceramic raw material and slurry consisting of a binder in pug consisting of the ceramic raw material and a surfactant, sequentially performing drying and glue discharging treatment, primary isostatic pressing forming and air pressure sintering, cooling to room temperature, and performing mechanical treatment and electrode spraying to obtain the ceramic resistor. Impregnation improves the dispersibility and uniformity of the carbon material in the porous mullite to form a continuous conductive path, the carbon black-containing slurry improves the conductivity of the ceramic resistor, carbon-buried sintering generates in-situ carbon with abundant types, the combination of carbon and a ceramic interface is promoted, and the oxidation resistance, mechanical properties and electrical properties of the ceramic resistor are improved.

The invention discloses an arylamine compound, a composition containing the arylamine compound and an organic light-emitting device. The structure of the arylamine compound is as shown in the following formula (1): # imgabs0 # formula (1). Wherein ring A is selected from substituted or unsubstituted phenanthrene ring; b is selected from structural substituents as shown in the following formula (2); # imgabs 1 # formula (2). And ring C is selected from a substituted or unsubstituted benzene ring, a substituted or unsubstituted naphthalene ring and a substituted or unsubstituted phenanthrene ring. The arylamine compound provided by the invention has a series of excellent physical and chemical characteristics, and has a good application prospect in the photoelectric field. Specifically, the arylamine compound has excellent photoelectric stability, can effectively resist performance degradation caused by illumination and current change, and ensures stable output of the device in long-time operation. The light-emitting diode has the advantages of low sublimation temperature, low driving voltage, high light-emitting efficiency and long device service life.

The invention discloses an amorolfine hydrochloride liniment and a production process. The formula of the amorolfine hydrochloride liniment comprises amorolfine hydrochloride, ethanol, propylene glycol, polyethylene glycol, acrylic resin RL100, glyceryl triacetate, ethyl acetate and butyl acetate. The preparation method comprises the following steps: 1, selecting a solvent material; step 2, generation of an amorolfine raw material; step 3, synthesizing amorolfine hydrochloride; step 4, preparation of the liniment; step 5, quality control; and step 6, packaging and storing. The amorolfine hydrochloride liniment based on the acrylic resin RL100 as the coating and framework material is designed, the specific release requirement of the medicine can be effectively met, ultraviolet rays can be absorbed, erosion of the ultraviolet rays can be effectively resisted, and the service life of the medicine is prolonged; meanwhile, the propylene glycol component is added, so that the stability and solubility of the medicine and the permeability of the medicine are improved; the polyethylene glycol component is also added, so that the smearing property and the use experience of the medicine can be improved.

The invention relates to the field of anti-cutting gloves, in particular to an anti-cutting glove and a preparation method thereof, which are used for solving the problems of insufficient protection performance and poor comfort of the existing anti-cutting glove. The anti-cutting glove comprises a skin-attaching comfortable layer, a cutting-resistant layer and a wear-resistant gum dipping layer, the skin-attaching comfortable layer enables the glove to have excellent comfort and not prone to causing hand pressure, the cutting-resistant layer can effectively improve the cutting-resistant performance of the glove, the cutting-resistant capability of the glove is greatly enhanced, sharp instruments are prevented from easily penetrating through the glove, the hand safety is effectively protected, the wear-resistant gum dipping layer can effectively improve the sealing performance and wear resistance of the glove, and the service life of the glove is prolonged. The durability and the stability of the glove are improved; the anti-cutting gloves prepared by the preparation method not only can effectively protect the safety of hands, but also can keep excellent fitting degree and flexibility even when high-strength operation is carried out, so that an operator can smoothly complete tasks in a complex environment, and the working efficiency and the safety are remarkably improved.

The invention relates to a polyamide composite membrane containing a middle layer and a preparation method of the polyamide composite membrane. The polyamide composite membrane comprises a polyborosiloxane-based porous polymer substrate, a modified polyimide middle layer and a polyamide separation layer, a modified polyimide intermediate layer is loaded on the surface of the porous polymer substrate, and a polyamide separation layer is loaded on the surface of the modified polyimide intermediate layer. The polyborosiloxane-based porous polymer substrate and the modified polyimide intermediate layer have better compatibility, interface defects can be reduced, the overall performance of the membrane can be improved, moreover, the polyborosiloxane-based porous polymer substrate also has a self-healing characteristic, and after the polyborosiloxane-based porous polymer substrate is damaged, the self-healing property of the polyborosiloxane-based porous polymer substrate is improved. Fractured connection can be repaired without external stimulation (such as light and heat), and self-repairing of the substrate is achieved.

The invention discloses a solid-waste-based marine engineering cementing material, a preparation method thereof and an offshore wind power grouting material, and relates to the technical field of concrete materials, the solid-waste-based marine engineering cementing material comprises 200-400 parts of modified tailings, 50-100 parts of ceramic polishing mud, 50-100 parts of fluorgypsum, 100-150 parts of red mud, and 10-30 parts of an activator, the modified tailings are obtained by acidizing tailings powder, mixing the acidized tailings powder with carbide slag, grinding the mixture and activating the mixture at the high temperature of 600 DEG C or above, and the exciting agent comprises a stabilizing component and an exciting component. The solid waste-based cementing material is prepared by using the gold tailing powder with a huge stockpiling amount as a main material and cooperatively utilizing solid wastes such as the ceramic polishing mud, the fluorgypsum and the red mud, and the offshore wind power grouting material with excellent workability, mechanical property and durability is further prepared from the solid waste-based cementing material, the tunnel hole slag machine-made sand and various additives.

The invention relates to the technical field of electric wires and cables, in particular to an outdoor high-temperature-resistant and corrosion-resistant photovoltaic cable and a preparation method thereof.The preparation method comprises the steps that a pretreated copper rod is fed into a wire drawing machine and gradually drawn into copper wires with the preset diameter through a multi-stage wire drawing die, and a stranding machine is adopted for stranding multiple strands of copper wires into a conductor according to the specific direction and pitch; carrying out preheating treatment on an insulating material, feeding the preheated insulating material into an insulating extruder, and uniformly extruding the insulating material on a conductor through a mold to form an insulating layer; covering the insulating layer with a shielding material by adopting a braiding machine, and cooling the insulated and shielded cable; feeding a sheath material into a sheath extruder, extruding the sheath material outside the shielding layer through a mold, feeding the extruded cable into a cooling water tank, and pulling the cable to pass through a shaping device; and the cooled and shaped cable is rolled, so that the produced photovoltaic cable has excellent corrosion resistance and can effectively resist corrosion of various corrosive substances in an outdoor environment.

The utility model discloses a fluoroplastic insulating high-temperature-resistant fireproof cable, which comprises a cable core, the cable core comprises eight wire cores which are annularly distributed at equal intervals, each wire core is composed of an inner sheath and a conductor, a composite insulating outer layer is wrapped outside the cable core, the composite insulating outer layer is composed of a contact layer, a buffer layer and a reinforcing layer, and the contact layer is wrapped outside the buffer layer. A composite high-temperature-resistant layer is arranged outside the composite insulating outer layer, the composite high-temperature-resistant layer is composed of a high-temperature-resistant base material, a heat reflecting layer and a heat-resistant protective layer, and the composite high-temperature-resistant layer is wrapped with an outer sheath. The problems of cable stability, flame-retardant and fireproof performance, electrical performance, chemical corrosion resistance and large-current transmission capability in a high-temperature environment are solved.

The embodiment of the invention provides a nickel alloy surface composite coating and a preparation method thereof, and relates to the technical field of protective coatings, the nickel alloy surface composite coating comprises a Ta diffusion barrier layer prepared on the nickel alloy surface, and TiAlTa / (TiAlTa) xC1-x functional layers alternately arranged on the surface of the Ta diffusion barrier layer. The Ta diffusion barrier layer is adopted, so that excellent corrosion resistance is provided, corrosion of various corrosive media including strong acid, strong alkali and the like can be effectively resisted, the mutual diffusion effect of the nickel alloy and Ti, Al and other elements in the coating under the high-temperature condition is remarkably reduced, and the binding force of the coating and a base material is remarkably enhanced. The TiAlTa / (TiAlTa) xC1-x functional layers are alternately arranged, a formed multi-layer alternate structure can break the growth of penetrative columnar crystals and reduce the porosity, so that the corrosion resistance of the coating is improved, the surface layer (TiAlTa) xC1-x comprises various MAX phases and carbide phases, and the antifriction and wear-resistant effects and the corrosion resistance of the composite coating are improved.

The present application relates to a terpene resin with controllable molecular weight and a preparation method thereof. A preparation method of a terpene resin with controllable molecular weight comprises: mixing β-pinene with ethylene glycol to obtain a mixture; mixing toluene and a catalyst at ‑5 to 5°C until uniform; dropping the mixture and keeping it warm at 5‑10°C for 1‑3h; removing the catalyst; desolventizing toluene and discharging the material, wherein the mass ratio of toluene to β-pinene is (1‑1.15): 1, the amount of the catalyst is 3.5‑5% of the mass of β-pinene, and the amount of ethylene glycol is 0.04‑0.07% of the mass of β-pinene. The present application can achieve precise control of the molecular weight of the terpene resin, prepare a terpene resin product with stable performance, and meet the high standard requirements of sanitary tape for viscosity, anti-aging and aviation electronic tape to enable it to perform accurately and stably in avionic electronic instruments, and broaden its application range in high-end applications such as medical, food, and aviation.

The invention discloses an iron oxide pigment with super weather resistance and corrosion resistance and a preparation method thereof, and belongs to the technical field of coatings. The method comprises the following steps: mixing iron oxide, polyamide resin and anti-ultraviolet resin, carrying out ball milling, mixing with a nano titanium dioxide solution, drying, and curing under ultraviolet rays to obtain the iron oxide pigment. The iron oxide pigment prepared by the invention has excellent weather resistance and corrosion resistance, can resist corrosion of ultraviolet rays to the pigment, prevents cracking, improves the stability and pollution resistance of the pigment and prolongs the service life of the pigment, and the preparation method is simple and convenient, and is suitable for large-scale industrial production.

The utility model discloses a protection slope for hydraulic engineering, which comprises a protection slope body, a first water baffle, a second water baffle and a supporting device, the first water baffle and the second water baffle are arranged on the slope of the protection slope body, the supporting device is arranged between the first water baffle and the second water baffle, the first water baffle is arranged in front of the second water baffle, and the second water baffle is arranged in front of the supporting device. A buffer plate is arranged above the first water baffle, the buffer plate is connected with the first water baffle through a rotating shaft, and the high stability of the protection slope is achieved by optimizing the mechanical structure and the component connection relation. The protective layer is made of high-strength and corrosion-resistant metal materials, erosion and oxidation of water flow can be effectively resisted, and the service life of the protective slope is prolonged. Water collected on the slope surface can be drained in time through the drainage groove, the influence of water pressure on the slope body is reduced, and therefore potential safety hazards such as landslide caused by water accumulation are prevented. Under the action of the double-layer protection plate, water flow cannot erode soil behind the protection slope, and loss is avoided.

The invention discloses an anti-seepage brick for an electrolytic cell lining and a preparation method thereof, the anti-seepage brick comprises an aluminum silicate mixture, the aluminum silicate mixture is composed of at least three of pyrophyllite, flint clay, clay, silica, albite and potassium feldspar, a potassium silicate eutectic and a fine powder sintering aid are added, the materials are uniformly mixed, a binding agent is added for granulation, mechanical pressing molding is performed, and high-temperature sintering is performed; the aluminum silicate mixture is prepared from the following raw materials in parts by weight: 50 to 75 parts of pyrophyllite, 20 to 42 parts of flint clay, 1 to 8 parts of albite and 1 to 5 parts of potassium silicate eutectic. The invention relates to the technical field of anti-seepage bricks, and particularly provides an anti-seepage brick for an electrolytic cell lining and a preparation method of the anti-seepage brick.

The invention provides a protective layer for prolonging the service life of a blast furnace cooling wall and a preparation method, and belongs to the field of blast furnace ironmaking. The protective layer for prolonging the service life of the blast furnace cooling wall comprises a base coat, the surface of the blast furnace cooling wall is covered with the base coat, and coating of the base coat is nickel-based alloy powder; the transition layer covers the surface of the priming layer, and a coating of the transition layer comprises nickel-based alloy powder and blast furnace slag powder; the furnace slag layer covers the surface of the transition layer, and a coating of the furnace slag layer comprises blast furnace slag powder and a reinforcing material. The thermal expansion coefficient of each layer is gradually changed through the multi-layer design, the slag layer is prevented from peeling off, the bonding strength of the slag layer is improved, the protective layer prepared through the method is far thicker than a common coating, the situation that the protective layer is completely abraded is not prone to occurring in the abrasion and corrosion environment, the cooling wall is more effectively protected, and the service life of the cooling wall is prolonged. The service life of the blast furnace cooling wall is prolonged.

The invention relates to the field of coating materials, and provides an anticorrosive coating for the bottom of a ship and a preparation method thereof, which is made of the following components: a boron nitride coated capsaicin filler, a boron nitride modified fluorine silicon copolymer, a fluorine phosphorus monomer modified waterborne acrylic emulsion, an epoxy resin, a film former, a defoamer, a dispersant, an initiator, a preservative and deionized water; the preparation method of the coating: the filler is first dispersed in a high speed in a stirring kettle with deionized water, a boron nitride coated capsaicin, a boron nitride modified fluorine silicon copolymer and a dispersant according to a proportion to form a dispersed solution, and then the solution is injected into a paint mixing tank, and the fluorine phosphorus monomer modified waterborne acrylic emulsion, an epoxy resin, a preservative, a film former and a defoamer are added, heated and stirred, and then cooled to room temperature. The anticorrosive coating of the invention has excellent properties such as high wear resistance, high corrosion resistance and inhibition of marine biological attachment, so as to meet the demand for high-performance anticorrosive coatings.

The invention provides a power transmission and transformation project disturbed area vegetation restoration method based on nutrient soil, which comprises the following steps: firstly, preparing nutrient soil from 20-30 parts by weight of organic soil, 50-70 parts by weight of original soil, 0.03 part by weight of a soil binder, 3-5 parts by weight of a water-retaining agent, 5-10 parts by weight of a compound fertilizer and 3-5 parts by weight of a microbial agent; turning over the disturbance area of the power transmission and transformation project, and compacting the prepared nutrient soil in the disturbance area; then preparing plant seeds including festuca arundinacea, ryegrass and cynodon dactylon; uniformly sowing plant seeds in the disturbance area; irrigating the disturbed area after sowing, so that the soil soaking depth reaches 5-10cm; according to the method, a good growth substrate can be provided for plant seeds through the prepared nutrient soil, the prepared plant seeds are matched with the prepared nutrient soil, protection of the coconut shred blanket is combined, the seeds can be prevented from being washed by rainwater before germination, and the germination rate is remarkably increased.

The utility model relates to a kind of fireproof bridge temperature regulation telescopic device, it includes telescopic joint subassembly and cover plate subassembly constitute, telescopic joint subassembly contains symmetrically set in the telescopic section of middle section both sides, two sliding fit, telescopic section top wall's limiting bolt is embedded in the waist type slot of middle section, realize sliding guide and stroke control, cover plate subassembly includes fixed cover plate, movable cover plate and piano key telescopic sealing cover, fixed cover plate is fixedly connected telescopic section, movable cover plate buckling middle section, three are through piano key telescopic sealing cover telescopic cooperation, and device uses double fireproof structure of outer spraying fireproof coating and inner pasting nonmetal fireproof lining, when working, device can adapt to bridge thermal expansion and contraction, length is adjusted by telescopic joint subassembly, piano key telescopic sealing cover guarantees airtightness, have telescopic adjustment and long-term airtightness, fireproof performance is stable, structure is stable and installation maintenance is convenient.

This utility model relates to the field of building construction, and more particularly to an assembled steel culvert gate. The assembled steel culvert gate includes a steel pipe with multiple reinforcing rings installed on its outer side. Multiple reinforcing haunches are connected to both ends of the outer side of the steel pipe, and panels are installed at both ends of the outer side of the steel pipe. A gate is installed on one of the panels, located at one end of the steel pipe. Main crossbeams are installed at the top and bottom of the two panels on opposite sides. The assembled steel culvert gate provided by this utility model uses a steel pipe as the main load-bearing structure, combined with a support system composed of reinforcing rings, reinforcing haunches, and longitudinal and transverse steel channels. This effectively resists soil pressure, water flow impact, and ground loads, exhibiting high structural strength and good stability. Even under conditions of uneven foundation settlement, the good toughness of the steel structure can prevent serious damage such as cracking and fracture, ensuring the long-term stable operation of the culvert gate.

The utility model relates to a maritime work mass concrete pile foundation anti-corrosion device which comprises an outer-layer protective shell, a middle-layer spacing shell and an inner-layer anti-corrosion shell, and the outer-layer protective shell, the middle-layer spacing shell and the inner-layer anti-corrosion shell are all cylindrical shells formed by assembling two semi-cylindrical shells. The inner-layer anti-corrosion shell, the middle-layer spacing shell and the outer-layer protection shell are sequentially arranged on the outer side of a concrete pile foundation in a sleeving mode from inside to outside, a first reaction cavity is formed between the outer-layer protection shell and the middle-layer spacing shell, and a second reaction cavity is formed between the inner-layer anti-corrosion shell and the middle-layer spacing shell. A plurality of first reaction rods are horizontally arranged on the middle-layer interval shell in an array mode, a plurality of second reaction rods are horizontally arranged on the inner-layer anti-corrosion shell in an array mode, and hydrophobic materials used for reducing the seawater permeation speed are clamped between the connecting pieces at the two ends of the two semi-cylindrical shells. And the anti-corrosion capability of the concrete pile foundation is obviously improved.

The utility model relates to the technical field of waste liquid treatment equipment, in particular to an automatic collecting and stirring treatment tank body for waste liquid, which comprises a stirring treatment tank body, the stirring treatment tank body comprises a tank body, a waste liquid collecting module, a stirring module, an automatic control module and a discharge module; a waste liquid inlet and an exhaust port are formed in the top of the tank body; the waste liquid collecting module is connected to the waste liquid inlet and used for automatically collecting and conveying waste liquid into the tank body; the stirring module comprises a driving device, a stirring shaft and stirring blades, the stirring shaft penetrates through the top of the tank body and extends into the tank body, the stirring blades are arranged at the bottom of the stirring shaft, and the driving device is used for driving the stirring shaft to rotate. The liquid level sensor monitors the liquid level in real time; the stirring module adopts a multi-layer adjustable paddle structure, so that sufficient stirring is ensured; the bottom conical structure is matched with the discharging module, and safe discharging is achieved.

The utility model discloses a reusable corrugated paper disc brake disc protective sleeve, which relates to the technical field of bicycle protection and comprises a corrugated paper board, limiting grooves are arranged on two sides of the corrugated paper board, auxiliary boards are rotatably connected to two sides of the corrugated paper board, limiting paper boards are fixedly mounted on the inner sides of the auxiliary boards, and the limiting paper boards are fixedly mounted on the inner sides of the limiting paper boards. And the limiting paper board is slidably connected to the inner side of the limiting groove, and a buffering piece is fixedly installed in the middle of one side of the corrugated paper board. By the adoption of the structure, the brake disc can be easily sleeved and covered through the corrugated paper board and the limiting grooves in the auxiliary board, rapid disassembly and assembly and repeated use are achieved, the corrugated paper is derived from renewable resources, environmentally friendly and easy to degrade, compared with plastic, the burden on the environment is smaller, meanwhile, the price is more economical, the production cost can be reduced, and the brake disc can be conveniently disassembled and assembled. And the corrugated paper also has excellent buffering performance, so that the brake disc can be effectively protected from being damaged, and the integrity of a product is ensured.

This invention discloses a wind-solar hybrid power generation device that is easy to switch between, relating to the field of wind-solar hybrid power generation technology. It includes a base, with a sleeve rotatably connected to the upper end of the base. A shell is provided on the outer surface of the base, and the bottom of the base is connected to the shell via a support rod. A photovoltaic panel is fixed to the upper surface of the shell. A fan blade is rotatably connected inside the sleeve, and an angle adjustment component is provided inside the sleeve. A locking component is provided at the lower end of the angle adjustment component, and an adjustment rotation component is provided at the upper end of the shell. This invention uses the angle adjustment component to change the fan blade angle when encountering different wind resistances, the locking component to lock the fan blade when the wind resistance exceeds a threshold to avoid damage, and the adjustment rotation component to achieve sealed protection for the photovoltaic panel.

This application discloses a non-contact detector and method for the gas-liquid interface in salt caverns based on laser ranging. It is used to perform real-time measurement of the gas-liquid interface while the wellhead remains sealed and closed. The method includes: an in-wellbore probe assembly, installed inside the wellbore and directly facing the gas-liquid interface inside the reservoir, emitting a laser beam and receiving the reflected echo. The in-wellbore probe assembly includes a laser emitting module, a laser receiving module, a high-pressure resistant sealed housing, and a light-transmitting window; and an external wellbore control assembly, located outside the wellbore, electrically and signal-connected to the in-wellbore probe assembly, used for power supply, signal acquisition, data processing, and communication. This application allows for real-time measurement of the gas-liquid interface while the wellhead remains sealed and closed, avoiding the gas leakage risks, operational safety hazards, and production stoppage losses associated with traditional well-opening measurement methods. Furthermore, the non-contact measurement overcomes the problems of scaling and failure of contact level gauges in the high salt spray and highly corrosive environment of salt caverns.

The invention relates to the technical field of optical fiber sensing, in particular to a high-sensitivity space inclination measurement fiber grating sensor and a monitoring method, and the sensor comprises two orthogonally and vertically arranged sensitization type equal-strength beams, the surface of each sensitization type equal-strength beam is provided with a boss and groove combined structure, the center line of each boss is pasted with a fiber grating, and the free end is connected with a mass block. The strain transmission efficiency is improved through cooperative sensitization of the boss and the groove, temperature self-compensation is achieved through the wavelength drift distance difference value of the symmetric fiber bragg grating, and the inclination angles of the yoz plane and the xoz plane can be accurately measured at the same time. The sensor is provided with a waterproof corrosion-resistant protective shell, is high in environmental adaptability, and is suitable for high-precision space inclination monitoring of projects such as bridges and side slopes.

The invention relates to the technical field of metal surface treatment, in particular to a coating precursor composition, a metal coating and a preparation method and application of the coating precursor composition and the metal coating. The nano additive comprises a combination of nano silicon dioxide, nano aluminum oxide, nano magnesium oxide and nano titanium dioxide. The coating precursor composition provided by the invention comprises the silane coupling agent and the nano additive, and the metal coating prepared from the coating precursor composition has the excellent properties of high temperature resistance, difficulty in stripping, high hardness, no color, transparency and the like, can effectively resist erosion and wear of an external environment, and effectively prolongs the service life of metal.

The utility model belongs to the technical field of protective layer structures, and particularly relates to a protective layer structure for preventing local corrosion of a flue, which comprises an adsorption layer and a first anticorrosive layer fixedly arranged on the adsorption layer, a supporting layer is fixedly connected onto the first anticorrosive layer, a limiting component is arranged on the supporting layer, a mounting plate is fixedly arranged on the supporting layer, and the limiting component is arranged on the mounting plate. First hook-and-loop fasteners are arranged on the mounting plate in an array mode, a heat insulation layer is arranged on one side of the supporting layer, and second hook-and-loop fasteners are fixedly arranged on the heat insulation layer. According to the protective layer structure convenient for preventing local corrosion of the flue through the mounted first hook-and-loop fastener and the mounted second hook-and-loop fastener, when the second anti-corrosion layer is damaged, the heat insulation layer and the second anti-corrosion layer are detached, the replaced heat insulation layer is moved to be aligned with the position of the supporting layer, and then the first hook-and-loop fastener and the second hook-and-loop fastener are adsorbed; and meanwhile, the heat insulation layer is limited through the limiting assembly, then the position of the replaced second anti-corrosion layer is limited, and the damaged position can be rapidly repaired.

The utility model discloses an ultra-thin multilayer silica gel braided tube, which relates to the technical field of silica gel braided tubes and comprises a silica gel braided tube body, a connector assembly is arranged at one end of the silica gel braided tube body, a butt joint assembly is arranged at the other end of the silica gel braided tube body, and the connector assembly is matched with the butt joint assembly. The silica gel braided tube body comprises a pipeline body, an anti-sticking layer is arranged on the inner wall of the pipeline body, and the anti-sticking layer is used for preventing adhesion between the inner wall of the silica gel braided tube body and a conveying medium; the butt joint assembly comprises a second connecting cavity tube fixedly connected to one end of the silica gel braided tube body; the connector assembly comprises a first connecting cavity tube fixedly connected to one end of the silica gel braided tube body, and a positioning rod is fixedly connected to one side of the first connecting cavity tube, so that the silica gel braided tube bodies, the connector assembly and the butt joint assembly are matched together, and the two silica gel braided tube bodies can be quickly assembled and disassembled; the working efficiency of the device is improved, and the requirements of more customers are met.

The application discloses an emergency power supply box with open-break power distribution terminals, and belongs to the technical field of emergency power supply boxes. The power supply box comprises four interval-parallel arranged power connection copper bar assemblies, which are divided into two groups and are respectively used for connecting zero lines and live lines of power supply cables and emergency cables; one grounding copper bar assembly is used for grounding connection with the power supply cables, the emergency cables and the power distribution terminals; a plurality of power distribution terminals are in sliding connection with the power connection copper bar assemblies, and are controlled by a control assembly to be respectively electrically connected with the power connection copper bar assemblies connected with the power supply cables or the emergency cables and simultaneously electrically connected with user cables; a box body is used for containing the above components, and a cable outlet is arranged at the bottom of the box body; and an emergency power supply interface is arranged outside the box body and is electrically connected with the emergency cables. The application replaces manual operation with mechanical automatic switching, and replaces scattered parts assembly with modular integration, so that the emergency power supply is fast, safe and standardized, and is especially suitable for power emergency protection of high-rise residential areas under extreme weather such as floods and typhoons.

The application discloses a kind of based on double filtering cooperation's remote sensing image scene classification method and system, in the method, for the problem that existing technology is difficult to give consideration to background noise suppression and key feature edge structure preservation when processing remote sensing image, a kind of double filtering cooperation optimization module is presented.The module in this paper introduces Gaussian filter smoothing channel to suppress unstructured high-frequency background noise, while introducing Gaussian Laplace edge enhancement channel to accurately capture and strengthen key geometric structure information such as feature contour;Through feature fusion, position coding, state space model and double activation gating mechanism, the multi-scale feature map is optimized and reconstructed to generate high signal-to-noise ratio and clear structure scene representation.The module is integrated into the remote sensing image scene classification model, and trained using focal loss, which can significantly improve the classification accuracy and robustness in complex texture interference scene.

The application belongs to the technical field of industrial coatings, and discloses a preparation process of self-cleaning FEVE varnish. The preparation process of the self-cleaning FEVE varnish comprises the following steps: (1) preparing a protective latex emulsion; (2) adding a wetting agent and a defoaming agent; (3) adding a composite sol; (4) adding FEVE resin, then adding a curing agent, and preparing the self-cleaning FEVE varnish after aging. The self-cleaning FEVE varnish prepared by the preparation process of the self-cleaning FEVE varnish has excellent adhesion, high weather resistance and good self-cleaning performance, and can be widely applied to building outer walls, transportation equipment, ocean facilities, urban public facilities and the like.