584 results about "Ultraviolet light exposure" patented technology

The invention discloses ultra-high performance concrete and a preparation method thereof. The ultra-high performance concrete comprises the following components in percentage by mass: 15%-25% of cement, 3%-6% of nano SiO2, 30%-35% of fly ash or steel slag powder, 35%-40% of recycled aggregate, 1%-4% of fiber, 0.5% of a microbial remediation agent and 1%-3% of nano TiO2. The preparation method comprises the following steps: S1, pretreating the recycled aggregate; and S2, packaging the microbial remediation agent: mixing the bacillus pasteurii spores with calcium lactate, and wrapping the mixture in calcium phosphate microspheres. S3, step-by-step stirring; S3.1, dry mixing: uniformly stirring the cement, the fly ash, the nano SiO2, the nano TiO2 and the recycled aggregate; s3.2, wet mixing is carried out, water solution fibers containing the polycarboxylic acid water reducing agent are added, uniform stirring is carried out, and the water-binder ratio of the water solution containing the polycarboxylic acid water reducing agent is 0.18; s3.3, final mixing: adding the packaged microbial remediation agent, and uniformly stirring; and S4, directional curing: performing steam curing at 80 DEG C for 48 hours, performing ultraviolet irradiation, and performing constant-temperature and constant-humidity curing for 7 days. The ultra-high performance concrete has the effects of low cost, low carbon emission, multi-function integration and repeatable crack self-repairing.

The invention provides a rare earth complex as well as a preparation method and application thereof. The chemical general formula of the rare earth complex is (Ln < 1x > Ln < 2y > Ln < 31-x-y >) (A) m (B) n, the rare earth complex provided by the invention has a self-assembly behavior, spherical nanoparticles can be formed through molecular aggregation, under ultraviolet irradiation, internal ligand molecules are better protected, the photobleaching process of the rare earth complex under natural conditions is slowed down, and the rare earth complex has better stability and higher weather resistance in the natural environment.

The invention relates to the technical field of solid-state batteries, and discloses an optimized preparation method of a solid-state battery electrolyte, a composition comprises a lithium source, a lanthanum source and a zirconium source, and the molar ratio of lithium to lanthanum to zirconium is (7.0-8.0): 3.0: 2.0; the use amount of the photoacid generator accounts for 0.5-5.0 mol% of the total molar weight of the metal ions; and an organic solvent. The method comprises the following steps: S1, placing a substrate in a high-pressure reaction kettle, and injecting the precursor composition in a supercritical carbon dioxide (scCO2) environment; s2, irradiating the surface of the substrate with ultraviolet rays, performing photolysis on the photoacid generator to generate acid, and catalyzing the metal precursor to be decomposed and deposited into an amorphous film; and S3, taking out the substrate after pressure relief, and carrying out low-temperature heat treatment at 400-700 DEG C to obtain the solid electrolyte film. Through combination of photochemical deposition and a supercritical fluid technology, the problem of decomposition of a positive electrode material caused by high temperature in a traditional process is solved.

A method of disinfection of an object, the method including securing an infected object to a moveable carrousel within a chamber; exposing the infected object to a disinfection cycle, the disinfection cycle comprising: exposing the infected object to an atomized liquid disinfectant fog comprising a disinfectant; exposing the infected object to ultraviolet illumination from an ultraviolet illumination source before, during, after, or any thereof exposing the object to the atomized liquid disinfectant fog to disinfect the object; during the disinfection cycle changing an orientation of the infected object with respect to the atomized liquid disinfectant fog and the ultraviolet illumination source; and removing the object from the chamber.

The invention relates to the technical field of photovoltaic materials and agricultural facilities, in particular to a photovoltaic packaging adhesive film for an agricultural photovoltaic greenhouse, a preparation method of the photovoltaic packaging adhesive film and a photovoltaic panel. The invention relates to a photovoltaic packaging adhesive film for an agricultural photovoltaic greenhouse. The photovoltaic packaging adhesive film is mainly prepared from the following components in parts by weight: 90-99 parts of matrix resin, 0.05-1 part of a reversible photochromic pigment, 0.05-1 part of noctilucent powder and 0.7-3.5 parts of an auxiliary agent, the reversible photochromic pigment turns red under ultraviolet irradiation; the noctilucent powder emits blue light under the excitation of natural light or ultraviolet light, and the afterglow time is not less than 10 hours. The photovoltaic packaging adhesive film disclosed by the invention is used for an agricultural photovoltaic greenhouse, and can improve the light utilization rate, convert light rays such as ultraviolet rays into red light and blue light beneficial to crop growth, enhance photosynthesis and further improve the growth condition of crops.

The invention relates to a cross-medium aircraft variant nose cone with dynamically adjustable surface wettability, and belongs to the field of cross-medium aircrafts. Comprising a variant skeleton and a flexible skin. Under the heating condition, the variant framework can drive the flexible skin to deform, the flexible skin keeps the deformed state after normal temperature is recovered, and therefore curvature distribution and section characteristics of the nose cone structure are changed. The surface of the flexible skin is covered with a wettability intelligent response coating. After the wettability intelligent response coating is irradiated by ultraviolet rays, the surface wettability can be converted into a super-hydrophilic state, and the wettability intelligent response coating can be recovered into a super-hydrophobic state after being heated. The head configuration and the surface wettability layout of the cross-medium aircraft are adjusted according to the specific water entry working condition, the hydrodynamic force and the hydrodynamic moment borne by the aircraft in the water entry process are changed through the influence effect of the configuration and the surface wettability on water entry cavitation evolution, the impact load is reduced as needed, and the attitude and trajectory stability is improved; the purposes of being compatible with various launching platforms and guaranteeing the water entry efficiency and safety are achieved.

The invention relates to the technical field of waterproof coatings, in particular to a photo-initiation cold coating type non-curing rubber asphalt waterproof coating and a preparation method thereof, and the photo-initiation cold coating type non-curing rubber asphalt waterproof coating comprises an asphalt-based main material, a photo-curing agent and epoxy resin; the light curing agent is composed of a photoinitiator, a rubber monomer and a hindered amine light stabilizer, and the photoinitiator comprises a benzothiophene compound; the waterproof coating is in a single-component paste state, can be constructed at normal temperature, and is cured to form a waterproof coating film after being irradiated by ultraviolet rays; according to the technical scheme, a cross-linking system of the light curing agent and the epoxy resin not only keeps the creep deformation and self-healing characteristics of non-cured rubber asphalt, but also improves the heat resistance, acid, alkali and salt resistance and bonding performance of a coating film through a three-dimensional network cross-linking structure, and it is ensured that a waterproof layer adapts to building structure deformation and severe environments for a long time.

An insect trapping light is shown having a visible light housing, a pair of electronic display screens, and an insect trapping housing. The display screen may be a television screen, picture display screen, movie display screen, computer monitor or display, or the like. The insect trapping housing has a bottom space configured to removably receive an insect bait tray that may be filled with an insect baiting substance to attract insects. The insect trapping housing and the visible light housing combine to form a UV light space or chamber therebetween. An adhesive board is slidably received and held in place upon the visible light housing surface facing the UV light chamber. The spacing between the insect trapping housing and the visible light housing defines the UV light chamber having open sides The UV light chamber also includes a matrix or array of UV lights or light sources.

The application discloses a composite air filtering device, which comprises a centrifugal filtering mechanism, a second filtering element, a microorganism filtering mechanism, an ultraviolet mechanism and a self-adaptive adjusting mechanism, wherein the self-adaptive adjusting mechanism comprises an adjusting filtering layer, and the pore size of the adjusting filtering layer can be adjusted according to the air flow rate; air flows through the centrifugal cylinder, the glass fiber filtering core, the activated carbon, the microorganism layer, the ultraviolet irradiation unit and the adjusting filtering layer in sequence from the air inlet pipeline; and the control module adjusts the pore size of the adjusting filtering layer according to the air filtering standard and the air flow rate; after the multiple purification steps, the particulate matters, gas pollutants, microorganisms and peculiar smell in the air are effectively removed, the air finally discharged into the environment is fresh, peculiar smell-free and harmful substance-free, meets the environmental protection discharge standard, and remarkably improves the air quality, providing clean and safe air for the environment.

The utility model relates to cable insulation layer detection field especially, relate to a kind of cable insulation layer thickness detection device, including detection bin, first electric push rod, detection sliding table and first guide rod etc., first electric push rod is connected in the inside of detection bin front part, first electric push rod and processor are electrically connected by control module, detection sliding table is connected on the telescopic end of first electric push rod, the inside of detection bin left and right two parts is all connected with first guide rod.The utility model is driven cable insulation layer to move to the underside of ultraviolet irradiation lamp and carry out ageing detection by first electric push rod and detection sliding table cooperation, thickness detection is carried out by third electric push rod and thickness measuring instrument, stretching test is carried out by second electric push rod and sliding block cooperation, or single detection is carried out, so that cable insulation layer can be ageing, stretching and thickness detection or single detection, realize multifunctional combination, improve detection efficiency, comprehensiveness and reliability, reduce detection cost.

The present application belongs to the technical field of wastewater treatment, and discloses a method for treating electroplating wastewater by using bioreduction of biogas slurry and combined iron bio-oxidation, which is a secondary combined use technology for removing various heavy metals in electroplating wastewater by iron bio-oxidation, comprising the following steps: (1) collecting fermentation biogas slurry, and performing ultraviolet irradiation sterilization after aeration; (2) adding potassium dichromate solution and fresh nutrient solution to the sludge system, and culturing anaerobic sludge; (3) adding treated biogas slurry to the anaerobic sludge, and repeatedly domesticating chromium-reducing microorganisms; (4) configuring a mixed solution of comprehensive electroplating wastewater and biogas slurry according to a certain proportion; (5) building a primary treatment biological reactor, and reducing Cr(VI) in wastewater by anaerobic biological reduction under the promotion of pyrite; and (6) building a secondary biological reactor filled with straw biomass charcoal, and generating iron oxides under the action of functional bacteria to continue adsorbing Cd, Cu and Ni ions in wastewater.

The present disclosure provides a gas purification method and a gas purifier. The gas purification method includes: sucking external gas into an inner housing; supplying ozone to an interior of the inner housing to react with the external gas; irradiating the interior of the inner housing with ultraviolet rays to disinfect the external gas and decompose the ozone; discharging the purified gas out of the inner housing. After the external gas is sucked into the inner housing, ozone is supplied to the interior of the inner housing to react with the gas so as to perform sterilization and deodorization treatment; the interior of the inner housing is irradiated with the ultraviolet rays to further carry out sterilization treatment on the gas and decompose excess ozone.

The utility model discloses rapid curing equipment for a ceramic surface microstructure anti-skid and wear-resistant layer, which comprises a box body and a fixed gear ring arranged below the inner wall of the box body, and further comprises a transmission mechanism, the transmission mechanism comprises a movable supporting inner ring arranged in the box body, moving rollers are uniformly mounted at the bottom of the movable supporting inner ring, and the moving rollers are fixed on the box body. An inner gear ring is arranged on the inner wall of the movable supporting inner ring, gears are installed on the top of the movable supporting inner ring through evenly-arranged movable shafts, and a tray with a groove is arranged on the top of each gear. The inner gear ring is meshed with the driving gear, the movable supporting inner ring drives the tray to rotate in the box body, and meanwhile the tray rotates under the action of the gear and the fixed gear ring. The dual-rotation mechanism ensures that each surface of the ceramic workpiece can be uniformly irradiated by ultraviolet rays and heated by microwaves in the conveying process, so that the curing quality problem caused by non-uniform heating in the traditional curing equipment is avoided.

A system for plant-mediated synthesis and characterization of vanadium pentoxide (V2O5) nanoparticles, comprising a structurally integrated device configured to perform extraction, reaction, calcination and performance evaluation within a closed automated control loop, wherein the system includes: a basic chassis made of heat-insulated stainless steel, which houses a microcontroller-based central control unit; a bioextract preparation unit fluidically connected to a reactive mixing chamber, the bioextract preparation unit comprising a Soxhlet extractor with a borosilicate condenser, a thermostatically controlled heating jacket and a digital thermocouple to maintain extraction temperatures between 60°C and 70°C; a precursor feed vessel containing an ammonium metavanadate solution with a molarity between 0.1 M and 0.3 M, wherein this vessel is connected to the reaction mixing chamber via an electromagnetically actuated inlet valve and a precision peristaltic pump; a reaction mixing chamber with an inductive heating coil, a magnetic stirrer plate and a temperature and pH monitoring device configured to maintain a uniform reaction temperature of 70±2°C during the precursor-extract interaction; a calcination module consisting of a muffle furnace lined with refractory ceramic material and containing embedded nichrome heating elements controlled by a PID-controlled temperature controller to achieve a heating rate between 5 °C and 10 °C per minute up to a setpoint of 445±5 °C for combustion synthesis; an optical characterization module with integrated UV-VIS spectrometer, Fourier transform infrared analyzer and photoluminescence detector, each optically isolated and electronically connected to the control unit; and a photocatalytic and antibacterial test chamber fluidically connected to the output of the calcination module, the chamber comprising a UV irradiation array, an optical absorption sensor and a temperature-controlled bacterial incubation plate, the central control unit includes a programmable logic controller (PLC) configured to synchronize the operation of all submodules via feedback control loops, which receive data from temperature, pH and optical sensors, thereby automating the synthesis, analysis and testing of V2O5 nanoparticles.

The present invention relates to precursors of dibenzoylmethane compounds having an amide group on one of the rings, and corresponding photoconversion compounds, pharmaceutically or cosmetically acceptable salts thereof, or stereoisomers or mixtures thereof, for use in protecting human or animal living organisms or materials from ultraviolet light. The present invention also relates to the preparation processes thereof, as well as cosmetic compositions, pharmaceutical compositions or personal care compositions thereof.

The invention discloses a gluing and gradient low-temperature pressing process for paper-plastic packaging, which comprises the following steps: S1, pretreating a base material: inspecting a printed paper-plastic composite base material, placing in a constant-temperature and constant-humidity environment for 20-24 hours, and balancing the moisture content to 5-7%; the base material is placed on a production line of a bag making machine, and the easy-to-tear line is formed through a magnetic knife; s3, point coating type gluing is conducted, specifically, a concave-convex tooth-shaped gluing roller is adopted, the heat sealing face of the paper-plastic composite base material is coated with the POE / PLA composite hot melt adhesive, and the gluing amount is 2.2-2.6 g / m < 2 >; and S4, pre-crosslinking treatment is conducted, specifically, UV irradiation is conducted on the glued base material, the irradiation wavelength is 254 nm, the irradiation time is 0.1-0.2 s, and the surface of the glue layer is preliminarily cured. The paper-plastic packaging gluing and pressing process which is low in gluing amount and gradient in low-temperature pressing, has an antibacterial function and is matched with a thin paper base material is adopted, and the paper-plastic packaging gluing and pressing process has the advantages of being low in glue overflowing rate, high in product percent of pass, capable of improving sanitation performance, stable in bonding performance and better in environmental protection performance.

There is provided a UV steam sterilizer including, a main body provided to generate steam by heating water, and a to-be-sterilized-article container having a space containing the to-be-sterilized-article to be sterilized by the steam and detachably placed on the main body. In addition, the UV steam sterilizer includes, a heating plate, heating the water contained in a water containing groove, installed at the bottom of the water containing groove provided on the upper surface of the main body in a form of being concave downward, a water level sensor installed on a sidewall of the water containing groove to detect the lowest water level of the water contained in the water containing groove, a steam heater built in the main body to control to heat the heating plate during operation and to stop when the water level sensor detects the lowest water level, and a UV irradiation unit installed on the heating plate to irradiate ultraviolet rays to residual water remaining in the water containing groove while maintaining the lowest water level as the water level, and controlled to irradiate the ultraviolet rays after the steam heater stops.

A fastener has enhanced visibility by a fluorescent material coating applied to recessed surfaces formed in a strike surface of the head of the fastener. The fluorescent material coating on the recessed surface is protected by the raised strike surface of the fastener from being impacted by a tool and worn or chipped from the fastener. The fluorescent material of the coating will fluoresce when exposed to ultraviolet radiation light thereby enhancing the visibility of the fastener.

The metal welding equipment capable of automatically cleaning residues comprises a bearing mechanism, a cleaning mechanism, a protection mechanism and an auxiliary mechanism, the cleaning mechanism is fixedly connected to the interior of the bearing mechanism, the protection mechanism is fixedly connected to the top of the bearing mechanism, and the auxiliary mechanism is movably connected to the top of the protection mechanism; the bearing mechanism is composed of a base, a temperature control switch, a bearing shell, an inserting groove, a supporting plate and a mounting frame, and the base is fixedly connected to the bottom of the bearing mechanism. The device has the effects that automatic cleaning is achieved, chippings are prevented from adhering to the inner wall and being difficult to clean, automatic machining and welding are achieved, manual contact is not needed, the safety effect is improved, wrapping type welding is achieved, chippings are prevented from splashing, ultraviolet irradiation is prevented, and the risks of peeling and vision decline are avoided; and harmful gas generated during welding can be sucked out conveniently, the situation that the harmful gas shields the view field of the observation window is prevented, and workers can operate and use the device conveniently.

This invention relates to a polyurethane-modified silicone protective material for the outer wall of wind turbine towers, and discloses a method for preparing the same material. The material is prepared by mixing acrylate-hedged phenol-modified trimethyl silicone oil, isocyanate-modified polyether polyol polyurethane, ultrafine silica, nano-alumina, short-fiber glass, triethylamine, benzoyl peroxide, dioctyl phthalate (DOP), phthalocyanine UV absorbers, dibutyltin diethylene (DDBT), and imidazole antifungal agents in a specific weight ratio. This material exhibits excellent weather resistance, mechanical strength, heat resistance, UV resistance, and antifungal properties, making it particularly suitable for the protection of wind turbine towers. The preparation method ensures the stability and consistency of the material's performance by precisely controlling the proportions of each component and the curing conditions. This material effectively improves the UV resistance, corrosion resistance, weather resistance, and overall durability of wind turbine towers, extending their service life and reducing maintenance costs. This invention provides a high-performance protective material for the outer wall of wind turbine towers, which has significant engineering application value. Especially in environments with long-term high humidity, low temperature, and strong ultraviolet radiation, it can significantly improve the stability and service life of the tower. This polyurethane-modified silicone protective material exhibits excellent protective performance in demanding application environments such as wind turbine towers, and has broad market application prospects.

The invention provides powder with reversible photochromic performance as well as a preparation method and application thereof, and the powder with reversible photochromic performance is a photochromic microcapsule and consists of a core material and a wall material, the core material accounts for 30%-50% of the total weight of the microcapsule, and the wall material accounts for 50%-70% of the total weight of the microcapsule; the core material is an indoline spiroheterocyclic compound, and the wall material is a biocompatible polymer. The core material is an indoline spiroheterocyclic compound, and the wall material is a biocompatible polymer; the powder is prepared by taking indoline spiropyran as a photochromic core material through a microcapsule coating process, has reversible response characteristics of developing under ultraviolet irradiation and decolorizing under strong light irradiation, and can be compounded with a tattooing pigment matrix to obtain a tattooing product with active developing and decolorizing regulation and control functions. The problem that the photochromic tattoo pigment is irreversible in color change is solved, and meanwhile the photochromic tattoo pigment has good stability and biocompatibility.

The invention discloses a dissipative elastomer as well as a preparation method and application thereof, and belongs to the technical field of high polymer materials. The dissipative elastomer is prepared by taking an acrylate monomer as a raw material, adding a lithium salt and a photoinitiator, mixing and stirring to form a transparent precursor solution, injecting the transparent precursor solution into a mold, and initiating an in-situ free radical polymerization reaction through ultraviolet irradiation, the lithium salt is introduced to construct multiple supramolecular effects, and a polymer network is induced to form a supramolecular-nano domain synergistic structure, so that the elastomer has excellent damping dissipation capability, self-adaptability and mechanical strength, the highest breaking strength of the elastomer can reach 4.5 MPa, the maximum toughness of the elastomer can reach 26.8 MJ / m < 3 >, and the modulus of the elastomer is matched with that of biological tissues (0.1 MPa-10 MPa); the dissipative elastomer can effectively bear dynamic load and low-frequency interference, has wide application prospects in the fields of flexible sensing, wearable medical equipment and the like, and is simple and controllable in preparation process, low in raw material cost and suitable for large-scale production.

The dust extraction device (1) comprises: - a housing (5); - an air ionizer (7) mounted on the housing (5), configured to diffuse a stream of ionized air; - an air-intake device (23), with a suction pipe (25) comprising a flexible part (27), a suction head (29) mounted on the flexible part (27) of the suction pipe (25), a dust filter (31) inserted into the suction pipe (25), and an air circulation member (33) causing air to circulate from the suction head (29) along the suction pipe (25) through the dust filter (31), at least the air circulation member (33) being mounted on the housing (5); - UV lighting (39), with a UV light projection member (41).

The invention discloses an irradiation curing type aerosol complex and a heating cigarette thereof, the irradiation curing type aerosol complex comprises a plant-based material and mesoporous particles, and the mesoporous particles are firmly adhered to the surface of the plant-based material through an irradiation curing adhesive. The irradiation curing adhesive is cured under the irradiation of plasma or ultraviolet rays and forms stable chemical bonding with functional groups on the surface of the plant-based material, so that a composite structure with high bonding strength is constructed. According to the preparation method, the problem of particle falling in a traditional loading mode is effectively solved through an irradiation curing technology, the powder falling rate of a complex is remarkably reduced to 0.5% or below, and meanwhile harmful gas generated by thermal decomposition of an adhesive is avoided. The mesoporous particles can efficiently load an atomizing agent and a flavoring agent, and stable release of aerosol is achieved in the heating process. The complex is suitable for heating aerosol generating products such as cigarettes, and the safety of the products and the consistency of smoking experience are ensured while the aerosol generating efficiency is improved.

To provide an air purifier that can improve sterilization efficiency. [Solution] The air purifier 100 is a device that sterilizes air by irradiating it with ultraviolet light. The air purifier 100 comprises a box 2, an air passage 3, a blower 4, an ultraviolet irradiation unit 5, a high thermal conductor 6, and a cooling unit 7. The air passage 3 is formed inside the box 2. The blower 4 blows air through the air passage 3. The ultraviolet irradiation unit 5 irradiates the air flowing through the air passage 3 with ultraviolet light. The high thermal conductor 6 conducts heat from the ultraviolet irradiation unit 5. The cooling unit 7 is exposed to the air flowing through the air passage 3 and releases heat from the high thermal conductor 6. The ultraviolet irradiation unit 5 and the cooling unit 7 are connected via the high thermal conductor 6 and are installed in parallel on substantially the same plane.

The embodiment of the utility model discloses an ultraviolet catalytic converter and a TOC detection device. The ultraviolet catalytic converter comprises a barrel, a main ultraviolet lamp, a plurality of water blocking pieces and a plurality of auxiliary ultraviolet lamps. Wherein the barrel is provided with a catalysis cavity, a liquid inlet and a liquid outlet which are communicated with one another. And the main ultraviolet lamp is arranged in the catalysis cavity. The plurality of water blocking sheets are connected with the main ultraviolet lamp and are arranged at intervals along the axial direction of the main ultraviolet lamp. And the plurality of auxiliary ultraviolet lamps are arranged in the catalysis cavity and are arranged at intervals along the circumferential direction of the main ultraviolet lamp so as to surround the water blocking sheet and the main ultraviolet lamp. Through cooperation of the main ultraviolet lamp, the auxiliary ultraviolet lamp and the water blocking sheet, the flowing speed of a water sample in the catalysis cavity is effectively delayed, the time of ultraviolet irradiation of the water sample is prolonged, and the ultraviolet coverage range is widened, so that the problem of insufficient reaction of the water sample in the ultraviolet catalyst is effectively improved.

To provide a technique capable of facilitating management of a wafer.SOLUTION: A semiconductor manufacturing apparatus includes a cassette mounting table on which a wafer cassette accommodating a wafer ring is mounted, a wafer holding table that holds the wafer ring, a head that picks up a die from a dicing tape to which a wafer attached to the wafer ring and divided into the die is attached, a UV irradiator, and a control device that is configured to irradiate the dicing tape with UV by the UV irradiator and can perform bidirectional communication of UV irradiation information associated with an ID of the wafer cassette with a host computer.SELECTED DRAWING: Figure 7

A method for making semiconductor devices includes: attaching a substrate with a plurality of electronic components onto a composite tape having an adhesive layer which is sensitive to ultraviolet (UV) irradiation and a UV-transparent base film, wherein the substrate is attached onto the adhesive layer of the composite tape; placing the substrate and the composite tape on a UV-transparent carrier, wherein the UV-transparent carrier is in contact with the UV-transparent base film of the composite tape; singulating the substrate into a plurality of semiconductor devices each having one of the plurality of electronic components; depositing a shielding material on the plurality of semiconductor devices to form a shielding layer on each of the plurality of semiconductor devices; irradiating a UV light to the composite tape through the UV-transparent carrier to reduce adhesivity of the adhesive layer; and detaching the plurality of semiconductor devices from the UV-transparent carrier.

The present application relates to the field of agricultural intelligent equipment and plant protection technology, and discloses a method for preventing and treating crop diseases based on precise ultraviolet irradiation and cross-ridge operation equipment, comprising the following steps: a main control module drives the chassis to cruise autonomously, and a self-adaptive adjustment module adjusts the damping force in real time according to the attitude data; a light supplementing module dynamically adjusts the light to cooperate with the identification module to obtain disease information; the main control module calculates the triggering condition based on the running speed and the installation distance between the identification module and the ultraviolet irradiation array, controls the corresponding ultraviolet unit to carry out pinpoint irradiation on the disease target; and an operation traceability module generates encrypted tamper-proof data and uploads it. The present application realizes precise irradiation through odometer pulse synchronization and speed dose compensation, maintains the operation attitude stable under complex terrain through active suspension control, and realizes reliable traceability of operation data through chain encryption technology, solving the problems of lack of precision in traditional prevention and treatment, unstable equipment attitude and difficult data traceability.

To provide a decorative article having a metallic texture which can be hand-made in particular SOLUTION: The ornament is characterized in that a fiber material such as a patterned cloth is used as a base material, and a plurality of kinds of liquid materials for nail art are recoated so as to cover the base material and finished into a metallic texture. The liquid material for nail art includes a nail polish for undercoating, a plurality of kinds of gel nails for recoating, and a resin liquid, which are applied to the surface of the base material and cured by irradiation with ultraviolet rays to impart a metallic texture to the base material.SELECTED DRAWING: Figure 1