72results about How to "Avoid chemical reactions" patented technology

The invention belongs to the technical field of extraction processes, and particularly relates to a process for extracting auricularia auricula polysaccharide by a compound enzyme-assisted subcritical water extraction method. The method specifically comprises the following steps: performing degreasing treatment on agaric to obtain degreased agaric powder; mixing the degreased auricularia auricula powder with water, then adding cellulose-pectin compound enzyme into the mixture, and performing enzymolysis to obtain an enzymolysis auricularia auricula solution; and carrying out subcritical extraction on the enzymolysis agaric solution to obtain the agaric polysaccharide. The compound enzyme-assisted subcritical water extraction method disclosed by the invention not only effectively shortens the extraction time, but also has the advantages of improving the polysaccharide yield and the polysaccharide biological activity.

The invention provides a foundation structure of a fused salt storage tank of a photo-thermal power station, which comprises a composite thermal insulation layer and a reinforced concrete retaining wall, the composite thermal insulation layer is arranged below a tank bottom plate of the fused salt storage tank, and the composite thermal insulation layer comprises a top cushion layer, ceramic fiber cloth and a ceramsite soil layer which are sequentially arranged downwards; an annular beam is arranged at the top of the composite heat preservation layer and composed of an annular steel plate and a heat-resisting concrete layer which are sequentially arranged below the tank bottom plate, a protective ring wall is arranged in the circumferential direction of the composite heat preservation layer, and a concrete foundation cushion layer with a built-in ventilation pipe and a built-in temperature measuring sleeve is arranged below the composite heat preservation layer. A circle of retaining wall is arranged on the periphery of the retainer wall, and the space between the retaining wall and the retainer wall is filled with compacted plain soil. The foundation structure reduces the leakage risk of molten salt.

The invention discloses a precursor solution for an inorganic compound thin-film solar cell and a preparation method and application thereof, and belongs to the field of thin-film solar cells, the precursor solution for the inorganic compound thin-film solar cell comprises the following raw materials: a metal precursor compound, a sulfur-containing ligand and a solvent; metals in the metal precursor compound comprise indium, gallium and copper or zinc, tin and copper; the metal precursor compound further comprises one or more of sulfate radical, acetate radical and nitrate radical; according to the precursor solution, complex chemical reaction in the film forming process is avoided, an absorption layer film which is large in grain, free of impurities and smooth in surface is formed, and the photoelectric conversion efficiency of an inorganic compound film solar cell is improved.

The invention discloses a particle separator sealing clamp, a sealing test device and a sealing test method, and belongs to the technical field of aero-engine tests.The particle separator sealing clamp comprises a positioning plate assembly, a bottom plate assembly, a connecting piece, a pipe joint and a plugging assembly; the positioning plate is used for blocking the first end of a main oil way of the rear section of a cartridge receiver of the particle separator assembly, an air inlet through hole is formed in the positioning plate, the pipe connector is arranged in the air inlet through hole and used for being externally connected with an air source and guiding air into the main oil way of the rear section of the cartridge receiver, and the blocking assembly is used for replacing the pipe connector to be installed in the air inlet through hole and blocking the air inlet through hole. The bottom plate assembly comprises a bottom plate, the bottom plate is used for blocking the second end of the main oil way of the rear section of the cartridge receiver of the particle separator assembly, and the connecting piece is used for connecting and locking the positioning plate and the bottom plate. According to the invention, one set of sealing clamp can meet the requirements of sealing tests in different stages, and the test efficiency and the test accuracy are improved.

The utility model discloses a reaction furnace and a recovery system, and relates to the technical field of chemical equipment. The reaction furnace comprises a furnace body, a crucible and an isolation protection layer, the crucible and the isolation protection layer are both arranged in the furnace body, the isolation protection layer is arranged in the crucible, a reaction chamber is formed in the isolation protection layer, and the reaction chamber is used for containing reactants; the reaction furnace heats reactants in the reaction chamber through the crucible, and the isolation protection layer is used for separating the reactants in the reaction chamber from the crucible. The scheme at least can be used for improving the process quality of the reaction furnace.

The invention discloses a photoelectric device, a preparation method of the photoelectric device and electronic equipment, the photoelectric device comprises an anode and a cathode which are oppositely arranged, an electronic function layer arranged between the cathode and a light-emitting layer, and an auxiliary layer arranged between the electronic function layer and the cathode, the material of the cathode comprises a first metal, and the material of the auxiliary layer comprises a second metal. The material of the auxiliary layer comprises second metal, the reducibility of the first metal is higher than that of the second metal, the performance stability and the storage stability of the photoelectric device can be improved, and the device efficiency and the device service life of the photoelectric device can be improved; when the photoelectric device or the photoelectric device prepared by the preparation method of the photoelectric device is applied to the electronic equipment, the photoelectric property and the service life of the electronic equipment can be improved.

The utility model discloses a chemical ion exchange device for power plant, relates to ion exchange technical field, including fixed frame and two resin tank, each resin tank is fixedly connected in the corresponding first through hole, the inner wall of two resin tank is respectively fixedly connected with first ponding cylinder and second ponding cylinder, the first ponding cylinder and the second ponding cylinder are fixed in the fixed frame. A plurality of drainage pipes are fixedly connected to the interiors of the first water accumulation cylinder and the second water accumulation cylinder, a spray head is fixedly connected to the other end of each drainage pipe, each spray head is attached to the inner wall of the corresponding resin tank, and a connecting pipe is jointly and fixedly connected to the interiors of the two resin tanks; a water supply mechanism is arranged on the inner wall of the fixing frame and matched with the first water accumulation cylinder. Soft water is sprayed on the inner walls of the two resin tanks through the water supply mechanism and the connecting pipe, so that residual liquid on the inner walls of the two resin tanks can be effectively removed, and chemical reaction with liquid used subsequently is prevented.

The spray gun comprises a gun body, a wrench is arranged at the front end of the gun body, a large cover is arranged at the lower end of the gun body, a water inlet is formed in the lower end of the gun body, a water outlet is formed in the front side of the upper end of the gun body, a connecting port is formed in the front side of the lower end of the gun body, and a water outlet cavity is formed in the gun body. The connector is connected with a compressed air assembly, the compressed air assembly is connected with the wrench, and the water outlet is provided with a water outlet assembly; an elastic seat is clamped to the upper portion of the large cover, the upper end of the elastic seat is inserted into the water outlet cavity of the gun body and seals the water inlet, a through hole communicated with the water outlet cavity is formed in the elastic seat, and an elastic ball is arranged on the upper portion of the elastic seat and movably arranged in the water outlet cavity and can seal the through hole; the elastic seat and the elastic block are both made of PP materials. Through the arrangement of the marble and the marble base, after pressure difference is formed inside and outside the movement of the compressed air assembly, water bursts through the marble and enters the gun body from the marble base, the spray explosive force is stronger, the residue is less, and the marble base and the marble block which are made of PP materials can be suitable for liquid with the PH value of 11.

The utility model discloses an anti-bacteria anti-mite children towel which comprises an upper layer, an adhesive layer, an anti-bacteria anti-mite layer, a spandex stretch yarn layer and a lower layer, the upper layer, the anti-bacteria anti-mite layer, the spandex stretch yarn layer and the lower layer are connected in a bonding mode through the adhesive layer, the upper layer is arranged on one side of the anti-bacteria anti-mite layer, and the lower layer is arranged on the other side of the anti-bacteria anti-mite layer. A spandex stretch yarn layer is arranged on the side, away from the upper layer, of the antibacterial and anti-mite layer, a lower layer is arranged on the side, away from the antibacterial and anti-mite layer, of the spandex stretch yarn layer, capillary blocks are arranged on the upper end face of the upper layer, capillary grooves are formed in the upper end and the lower end of the antibacterial and anti-mite layer in a digging mode, and a plurality of sets of grooves are formed in the two sides of the capillary blocks and the inner walls of the capillary grooves in a digging mode. According to the antibacterial and anti-mite towel for children, dirt on the skin is adsorbed and removed through capillary blocks in the upper layer and capillary grooves in the antibacterial and anti-mite layer, breeding of mites can be effectively prevented through an electrostatic filtering film and a nano-silver coating in the antibacterial and anti-mite layer, meanwhile, stains are prevented from generating a chemical reaction on the towel, and breeding of bacteria and mites is avoided.

This invention provides a surface acoustic wave (SAW) filter, comprising a piezoelectric layer and interdigitated electrodes. The interdigitated electrodes are disposed on the piezoelectric layer and include at least a first metal layer and a second metal layer stacked together. The first metal layer is made of platinum or an alloy with platinum as the main component, and the second metal layer is made of aluminum or an alloy with aluminum as the main component. By setting the material of the second metal layer to aluminum or an alloy with aluminum as the main component, the uniformity of metal coverage of the electrode structure can be effectively improved, avoiding excessive local resistance or structural defects caused by poor coverage. Setting the material of the first metal layer to platinum or an alloy with platinum as the main component provides reliable support for the second metal layer, reducing the risk of deformation or corrosion of the aluminum layer in subsequent processes. By using a stacked structure of two complementary materials for the interdigitated electrodes, both structural miniaturization and improved overall electrical performance and structural reliability of the interdigitated electrodes are achieved.

The invention belongs to the technical field of filter elements for hemodialysis, and particularly relates to packaging, metering and blending equipment for a hemodialysis filter. Comprising the steps of raw material barrel inert gas pressurization feeding, transfer pump set gear pump feeding, vacuum pump vacuumizing, storage tank vacuum negative pressure material defoaming, heater material preheating, metering pump set metering output and two-component material mixing through a dynamic stirring device. In the production process, a barrel for storing two-component raw materials is filled with nitrogen for pressurization; the raw materials are conveyed through the transfer pump set; materials in the raw material barrel are conveyed into a material storage tank to be stored; after the material storage tank is filled with raw materials, the vacuum pump pumps out air in the material storage tank, negative pressure is formed in the material storage tank, and bubbles in the materials can be separated out; after vacuumizing is completed, nitrogen is filled into the storage tank through a nitrogen source for pressure maintaining for standby application; and after the equipment receives a gluing instruction of a production line, the equipment starts normal production.

The utility model relates to the technical field of compressor heat dissipation, and discloses a heat dissipation case for a compressor, which comprises a bottom plate, the top of the bottom plate is fixedly connected with a liquid cooling mechanism, the top of the bottom plate is provided with a filtering mechanism, and the top of the bottom plate is fixedly connected with a case body. The bottom of the liquid cooling mechanism is detachably connected to the top of the filtering mechanism, the filtering mechanism comprises a sewage storage tank, the outer wall of the sewage storage tank is fixedly connected with a limiting ring, the inner wall of the limiting ring is detachably connected with a limiting rod, and the top of the limiting rod is fixedly connected with a sliding rod; the outer wall of the sliding rod is slidably connected with a mounting box, and the inner wall of the mounting box is fixedly connected with a fixing ring. According to the utility model, the sewage discharging assembly for discharging impurities in the cooling liquid is additionally arranged, so that the cooling liquid can be ensured to circulate at designed flow, chemical reaction between the impurities and the cooling liquid can be avoided, the cooling liquid is prevented from going bad, and the service life of the cooling liquid is prolonged.

The utility model relates to the technical field of packaging bottles, in particular to a high-temperature-resistant heat-insulation packaging bottle. Comprising a bottle body and a bottle cap, the bottle body is sequentially provided with a first inner layer, a second inner layer, a heat insulation layer, a high-temperature-resistant layer and an outer layer from inside to outside, a groove is formed in the outer surface of the outer layer, and an anti-skid layer is arranged on the groove; the heat insulation layer and the high-temperature-resistant layer are arranged, so that the packaging bottle has good high-temperature-resistant and heat insulation performance, heat is effectively prevented from penetrating through the heat insulation layer and the high-temperature-resistant layer to enter the first inner layer and the second inner layer, and chemical reaction of the first inner layer and substances in the bottle under the condition of a high-temperature environment is avoided; further, substances in the bottle are effectively protected and stored, and the quality effect of the substances in the bottle is ensured; in addition, the packaging bottle is further provided with a groove and an anti-skid layer, so that when a user uses the packaging bottle, the anti-skid effect can be achieved, the risk that the packaging bottle falls off from the hand of the user is reduced, and the using effect of the packaging bottle is further improved.

The utility model provides a communication pipeline of a communication system, and relates to the technical field of communication pipelines, a pipeline and a pipeline mechanism, the pipeline mechanism is arranged on the inner side of the pipeline, through the arrangement of the pipeline mechanism, when the communication pipeline is used, through the arrangement of a protection assembly, a waterproof layer can prevent water from permeating into the pipeline from the outside of the pipeline, and the communication pipeline is convenient to use. The anti-corrosion layer can resist corrosive substances outside the pipeline, materials of the pipeline are prevented from chemical reaction, dryness and quality of the pipeline are guaranteed, the buffer assembly is arranged, the heat preservation layer can prevent the temperature inside the pipeline from being affected by external temperature change, and expansion or contraction of the pipeline is avoided. The size and the shape of the pipeline are affected, the stability and the strength of the pipeline are guaranteed, the pressure resistance of the pipeline can be improved through the supporting assembly, the safety and the integrity of the pipeline are guaranteed, interference outside the pipeline can be shielded through the shielding assembly, and the signal-to-noise ratio and the efficiency of the pipeline are guaranteed.

The present invention discloses a method for manufacturing an atomic gas chamber, the method comprising: forming a first bonding layer having a first through hole on a first sapphire substrate, and forming a second bonding layer having a second through hole on a second sapphire substrate, the first through hole and the second through hole corresponding to each other; placing a filling material in the first through hole or the second through hole; bonding the first bonding layer and the second bonding layer. The present invention also discloses an atomic gas chamber manufactured by the above manufacturing method. The present invention solves the problem of consumption reaction between the material of the atomic gas chamber and the alkali metal and high leakage of buffer gas, which leads to a reduction in the service life of the atomic gas chamber.

The utility model discloses a fluorine-lined storage tank, which relates to the technical field of storage of fluorine-lined storage tanks and comprises a supporting seat, grooves are arranged on two sides of the supporting seat, a storage tank barrel is fixedly connected to the upper end of the supporting seat, storage tank side covers are fixedly connected to two sides of the storage tank barrel, a penetrating opening is arranged on one side of the upper end of the storage tank barrel, and a fluorine-lined inlet pipeline is fixedly connected to the outer side of the upper end of the penetrating opening. The lining fluorine inlet pipeline is fixedly connected to the outer wall of the storage tank barrel, bolt holes are formed in the periphery of the upper end of the lining fluorine inlet pipeline, and a baffle is installed at the upper ends of the bolt holes. Through the sealing rings on the fluorine-lining-in pipeline and the fluorine-lining-out pipeline, leakage at the connecting position is conveniently prevented, the sealing performance of the fluorine-lining storage tank is improved, the function of preventing leakage at the connecting position of the fluorine-lining storage tank can be further achieved, and through the fluorine-lining layer on the inner side of the fluorine storage tank, chemical reaction on the inner side of the fluorine-lining storage tank is conveniently prevented, so that the service life of the fluorine-lining storage tank is prolonged. The storage stability of the fluorine-lined storage tank is improved, so that the function of storing articles by the fluorine-lined storage tank can be realized, and the problem that leakage is easy to occur during storage of the fluorine-lined storage tank is solved.

The utility model belongs to the technical field of crystal conveying, and particularly relates to a crystal conveying device which comprises a supporting frame, a hollow arc-shaped plate is installed on one side of the supporting frame, a spray head is installed on one side of the hollow arc-shaped plate, a gas conveying pipe is installed on one side of the hollow arc-shaped plate, one end of the gas conveying pipe is connected with a gas box, and the other end of the gas box is connected with a gas pump. A vacuum pump is installed on the upper surface of the gas box and connected with a gas conveying pipe. Dust-free gas is blown to the surface of the inner tooth conveying belt through a spray head, residues on the surfaces of the inner tooth conveying belt and the circular truncated cone can be blown into a collecting box through the blowing of the dust-free gas, the residues can be adsorbed through adsorption sponge, the adsorption sponge is matched with exhaust holes, and the situation that the residues are driven by wind to expand outwards again is reduced; therefore, the cleanliness of the inner tooth conveying belt and the circular truncated cone in the crystal conveying process is improved, the situation that chips on the surface of the molten crystal chemically react with follow-up different types of crystals is avoided, and the crystal conveying quality is improved.

The invention discloses an ultrahigh-solid high-temperature-resistant and high-pressure-resistant phenolic epoxy heavy anti-corrosion coating and a production process thereof, and relates to the technical field of coatings. The coating is prepared by mixing a component I and a component II according to the mass ratio of (6.5: 1)-(8: 1), the component I is prepared from the following raw materials: novolac epoxy resin, epoxy resin, a dispersing agent, organic bentonite, an ion exchange corrosion inhibitor, silica powder, oxidized ceramic powder, high-quality thin-layer graphene dispersed slurry, carbon black, a defoaming agent, xylene, butanol and acetone; the raw materials of the component II are a modified alicyclic amine curing agent and a modified aliphatic amine curing agent. The coating has excellent acid resistance, heat resistance, long-acting corrosion resistance, wear resistance and high-temperature and high-pressure resistance, is a high-solid-content environment-friendly product, is low in VOC content, is suitable for an oil extraction pipeline application scene, is sprayed on the inner wall of a pipeline, and a coating layer and the surface of a metal pipeline are firmly adhered together, so that a chemical reaction between metal and external substances is effectively prevented, and the service life of the metal pipeline is prolonged. The service life of the pipeline can be prolonged, and cost is saved.

A battery cap structure and a lithium battery structure, wherein the end of a steel shell is welded and fixed to an annular metal ring, and the metal ring can be used as a negative electrode connector to electrically connect the negative terminal of a circuit board to the steel shell; at the same time, the inner end of the metal ring extends toward an explosion-proof valve, and the gap between the inner end of the metal ring and the explosion-proof valve is filled by the inner end of a sealing ring, which is also annular, and its outer end is arranged between the metal ring and the steel shell, so that a seal is formed between the inner wall of the steel shell and the metal ring, and between the metal ring and the explosion-proof valve; in this case, a rubber block formed by plastic filling will be blocked on the side of the metal ring, the sealing ring and the explosion-proof valve facing the circuit board, thereby isolating the rubber block from the electrolyte inside the battery, thereby effectively isolating the rubber block from the electrolyte, thereby preventing the rubber block and the electrolyte from chemically reacting with each other, and also avoiding the working stability and safety problems of the lithium battery caused by this.

The invention relates to an anti-mold-sticking device, a glass forming device and a glass forming method, the anti-mold-sticking device is used for a glass forming mold, the glass forming mold comprises a plug, the plug is provided with a glass liquid guide surface, and the anti-mold-sticking device comprises a blowing mechanism used for blowing and cooling the glass liquid guide surface; the vibration mechanism is used for being arranged on the plug, and the vibration mechanism is used for driving the plug to vibrate; therefore, the probability of forming an adhesive layer between the molten glass and the mold can be effectively reduced, the service life of the glass forming mold can be prolonged, and the glass forming quality and efficiency can be improved.

This invention discloses an energy-saving metal roof panel fixing support with thermal bridging protection and its manufacturing method. On one hand, the energy-saving metal roof panel fixing support with thermal bridging protection includes a metal roof panel, a secondary structure, and a fixing support body. The fixing support body consists of a support base and a thermoplastic shell covering the outer wall of the support base. The thermoplastic shell is made of thermoplastic plastic. The fixing support body is connected to the edge ribs of the metal roof panel by interlocking at the upper end of the thermoplastic shell, and is fixedly connected to the secondary structure by screws at the lower end of the thermoplastic shell. On the other hand, this invention also provides a manufacturing method for the above-mentioned energy-saving metal roof panel fixing support with thermal bridging protection. This invention has the advantages of eliminating the thermal bridging effect between the metal roof panel and the secondary structure, reducing noise generated during relative sliding between the metal roof panel and the fixing support, and effectively reducing the in-plane forces between the metal roof panel and the fixing support.

The utility model discloses a kind of wastewater treatment systems of circuit board gold sinking technology, including wastewater classification collection component, for classifying storage nickel-containing wastewater, phosphorus-containing wastewater and cyanide-containing wastewater, be set at the most front end of wastewater treatment system, including nickel-containing wastewater tank, phosphorus-containing wastewater tank and cyanide-containing wastewater tank.The utility model realizes the accurate classification storage of nickel-containing, phosphorus-containing, cyanide-containing wastewater by wastewater classification collection component, effectively avoid the chemical reaction caused by wastewater mixing, improve the processing security.Nickel-containing wastewater tank, phosphorus-containing wastewater tank and cyanide-containing wastewater tank cooperate with first solenoid valve and main bus pipe, realize automatic drainage control by control module, reduce manual operation, improve processing efficiency.Inflow pipe is equipped with flow control valve, accurately adjusts wastewater inflow, avoids overflow or equipment overload.

The utility model discloses distributed energy storage heat management device equipment, which comprises an energy storage device body, the energy storage device body comprises a box body, a box door and heat dissipation holes, the left side of the box door is movably connected with the front side of the box body through a hinge, when the temperature in the box body rises, the temperature can be transmitted to the sensing end of a temperature sensor, and the heat dissipation holes are formed in the box body. In this way, the heat exchanger can be started through the controller, the high temperature in the box body can be reduced, the effect that the high temperature generated in the energy storage device body can be dissipated in time when the energy storage device body is used is achieved, and the problem that when an existing energy storage device body is used, a chemical reaction can happen in the charging and discharging process of a lithium ion battery, and the service life of the lithium ion battery is prolonged is solved. The reaction may generate heat to cause the heating of the battery body, and in addition, the electrolyte in the battery may be decomposed to generate gas and heat under some conditions to aggravate the heating phenomenon, so that the interior of the box body needs to be cooled.

The invention relates to the field of thin films, in particular to an in-situ preparation method of an unsupported non-epitaxial polycrystalline thermoelectric thin film. The method comprises the following steps: (1) spin-coating an adhesive on a non-epitaxial polycrystalline thermoelectric thin film sample, and hardening after coating the adhesive; (2) soaking the sample obtained in the step (1) in a degumming agent, wherein the edge of the polycrystalline thermoelectric thin film is warped, broken and dropped to form thin film fragments, and the thin film fragments are suspended in the degumming agent; and (3) fishing the thin film fragments suspended in the glue removing solution by using a porous substrate, cleaning and fishing the thin film fragments in the clean glue removing solution until the fished thin film fragments are located at the holes and completely cover the holes, thereby obtaining the polycrystalline thermoelectric thin film without substrate support. The method disclosed by the invention is low in cost, short in consumed time and simple, and most importantly, the characteristics of the original thermoelectric film are kept and are not changed.

The embodiment of the invention provides a wafer back cleaning device, wafer cleaning equipment and a wafer cleaning method, the wafer back cleaning device comprises a main body part, the upper part of the main body part is provided with a clamping piece capable of clamping a wafer and enabling the wafer to be parallel to the horizontal plane, and the main body part is internally provided with a mounting hole penetrating through the axis of the main body part; the output shaft is arranged in the mounting hole, a liquid conveying pipe is arranged in the output shaft, and cleaning liquid used for being sprayed to the lower surface of the wafer is conveyed through the liquid conveying pipe; the liquid discharging assembly is communicated with the liquid conveying pipe, and a negative pressure air pipe penetrating through the liquid discharging assembly and a communicating pipeline communicating with the negative pressure air pipe and the liquid conveying pipe at the same time are arranged in the liquid discharging assembly; when the negative pressure air pipe is ventilated through the air inlet, residual liquid in the infusion tube is pumped out through negative pressure and is discharged through the discharge port of the negative pressure air pipe. The embodiment of the invention provides a wafer back cleaning device, wafer cleaning equipment and a wafer cleaning method. Residual liquid in a liquid conveying pipe can be avoided.

The invention relates to the technical field of liquid ammonia storage and transportation, and provides a liquid ammonia storage and transportation device which comprises a storage and transportation tank, a circulation assembly, a detection assembly and a neutralization assembly, a protective shell is arranged on the outer side of the storage and transportation tank, and a circulation channel used for being filled with nitrogen is formed between the inner wall of the protective shell and the outer wall of the storage and transportation tank; the circulating assembly comprises a circulating fan, a first circulating pipe and a second circulating pipe, the inlet end of the first circulating pipe communicates with an air outlet of the circulating fan, the outlet end of the second circulating pipe communicates with an air inlet of the circulating fan, and the outlet end of the first circulating pipe and the inlet end of the second circulating pipe communicate with the circulating channel; the detection assembly and the neutralization assembly are arranged on the second circulating pipe, the detection assembly is used for detecting ammonia gas, and the neutralization assembly is used for neutralizing the ammonia gas. The liquid ammonia storage and transportation device can improve the storage and transportation safety of liquid ammonia.

The invention provides a lithium battery foil and a preparation method thereof, and belongs to the technical field of new materials. According to the lithium battery foil and the preparation method thereof provided by the invention, the lithium supplement effect can be remarkably improved, uniform lithium supplement and surface coating with full-surface nanometer precision are realized, and the large-scale mass production requirement is met. Through the specific method, the atmosphere inert protective film is deposited on the basis of front lithium supplementation, on one hand, dead lithium loss occurring in the initial charging and discharging process is eliminated, long-term charging and discharging performance stability and energy storage density improvement of the lithium battery are achieved, on the other hand, a lithium battery production line does not need to be greatly changed, and the production cost is reduced. According to the method provided by the invention, nano-precision uniform lithium supplementation and surface coating of the whole surface of the lithium battery foil are realized, the large-scale mass production requirement can be met, and the method has a wide application prospect.

The present invention relates to a device for steel bridge deck construction and a construction method thereof, belonging to the technical field of steel bridge deck construction machinery. A collecting component is provided. After the scratching component scratches the steel bridge deck, the temperature of the scratched area will increase. The content of salt mist in the air at sea is relatively large, so that the salt mist particles in the air are easily adhered to the scratched area. The collecting component absorbs and collects the salt mist particles in the scratched area through the force of air pressure, so as to prevent the chloride ions in the salt mist particles from chemically reacting with the steel bridge deck due to the high temperature and corroding the steel bridge deck.

The present application discloses a single crystal optical fiber packaging device and a single crystal optical fiber sensing probe. The single crystal optical fiber packaging device includes a protective sleeve for accommodating the single crystal optical fiber, a stop valve and an inflation device. The material of the protective sleeve will not react chemically with the material of the single crystal optical fiber. The inflation device is connected to the protective sleeve through the stop valve, and the protective sleeve is evacuated or a protective gas is filled into the protective sleeve. Therefore, inflation can be achieved using the single crystal optical fiber packaging device of the present application, which increases the reusability of the device to a certain extent. The type and pressure of the gas filled into the device can be flexibly selected according to experimental requirements, and it is also beneficial to maintain a constant air pressure in the protective sleeve; furthermore, after the single crystal optical fiber is packaged using the protective sleeve as the packaging body, the single crystal optical fiber is located in a closed environment, which prevents the single crystal optical fiber from being contaminated by the complex and harsh external environment, and can also avoid chemical reactions that may occur in the single crystal optical fiber, thereby improving the stability of the optical fiber.