2391results about How to "Reduce exposure" patented technology

The invention provides a positive electrode material and a preparation method thereof, a positive electrode plate and a battery, the positive electrode material comprises lithium manganese iron phosphate particles, a first shell layer and a second shell layer, the first shell layer and the second shell layer sequentially coat the surfaces of the lithium manganese iron phosphate particles, the material of the first shell layer comprises nanoscale SiO2 particles, and the material of the second shell layer comprises nanoscale TiO2 particles. The surfaces of the lithium manganese iron phosphate particles are sequentially coated with the SiO2 layer and the TiO2 layer, so that the contact between the lithium manganese iron phosphate particles and an electrolyte can be reduced, the side reaction between the lithium manganese iron phosphate particles and the electrolyte in the electrochemical reaction process is reduced, the cycle life attenuation of the battery is relieved, the dissolution of Mn element is reduced, and the service life of the battery is prolonged. Therefore, the battery impedance increase caused by deposition of Mn < 2 + > on the negative electrode in the circulation process is relieved.

The invention discloses an aquatic product ultra-low temperature fresh-keeping processing control method, and relates to the technical field of aquatic product fresh-keeping processing, and the method specifically comprises the following steps: evaluating a fat local oxidation risk grade caused by oxygen exposure on the surface of a high-fat aquatic product in each region in a freezing chamber; dividing each area in the freezing chamber into a low risk area, a medium risk area and a high risk area according to an evaluation result; constructing an oxidation risk adjustment mechanism according to the division result of each region in the freezing chamber; in the implementation process of the oxidation risk adjustment mechanism, whether the adjustment effect of the oxidation risk adjustment mechanism on each region can reach the expectation or not is evaluated, and the oxidation risk adjustment mechanism is optimized according to the evaluation result. According to the method, the problem of fat oxidation caused by oxygen exposure on the surface of the high-fat aquatic product in the ultralow-temperature freezing process is solved, and the preservation effect in the freezing process is effectively improved through real-time monitoring and dynamic optimization of an adjustment mechanism.

The invention relates to a composite multi-effect scale and corrosion inhibitor and a preparation method thereof, and belongs to the technical field of water treatment agents.The composite multi-effect scale and corrosion inhibitor is prepared from carboxylic acid monomers, sulfonate monomers, organophosphorus compounds, modified chitosan, modified nanometer titania, oxidation type initiators, reduction type initiators, azole derivatives and the like, the modified chitosan is formed by coating the surface of chitosan with cerium chloride; the modified nano titanium dioxide is formed by coating the surface of nano titanium dioxide with sodium polyaspartate. The composite multi-effect scale and corrosion inhibitor is prepared in a mode of compounding while synthesizing, the scale inhibition effect is excellent, the comprehensive descaling capacity can reach 97% or above, and the composite multi-effect scale and corrosion inhibitor can be used for a high-pH, high-alkalinity, high-temperature and high-hardness circulating cooling water system under the high-concentration-multiple operation condition; the method is suitable for circulating cooling water treatment requirements under harsh conditions in industries such as chemical industry, smelting and light industry.

Modified resin and SGP laminated resin are mixed, extruded and subjected to film casting to prepare a laminated sheet, the laminated sheet is placed between two pieces of glass to be pressed at a high temperature, when the modified resin and the SGP laminated resin are molten, double bonds on the modified resin can be grafted with molecular chains on the SGP laminated resin, and the SGP laminated glass is formed. A main body of a molecular chain of the modified resin is a polyurethane structure containing an organic silicon chain segment, the heat insulation effect of the SGP laminated resin can be improved, and the modified filler contains a multi-cavity structure, so that the heat insulation effect is further improved; and a titanium-containing organic silicon resin chain segment in the modified resin, tin dioxide on the surface of the modified filler and a benzotriazole structure in the modified resin can increase the absorption of ultraviolet rays by the laminated film and reduce the irradiation of the ultraviolet rays.

The invention provides a natural graphite composite negative electrode material and a preparation method thereof, and a lithium ion battery, the natural graphite composite negative electrode material comprises natural graphite, a fluffy net-shaped three-dimensional carbon network coated outside the natural graphite, and an amorphous carbon coating layer arranged outside the fluffy net-shaped three-dimensional carbon network; wherein magnesium ions and / or aluminum ions are dispersed in the fluffy three-dimensional carbon network, and copper particles and / or silver particles are doped in the amorphous carbon coating layer. The natural graphite composite negative electrode material provided by the invention has a three-dimensional conductive network, is doped with metal, and has good conductivity and excellent electrochemical cycle performance.

The invention relates to the technical field of smart home, and provides an obstacle avoidance processing method of cleaning equipment, the cleaning equipment, a cleaning system, a computer readable storage medium and electronic device.The obstacle avoidance processing method of the cleaning equipment comprises the steps that the surrounding environment of the cleaning equipment is detected through an obstacle sensor; generating a low obstacle map corresponding to the surrounding environment; the low obstacle map is at least used for indicating the boundary contour of a low obstacle in the surrounding environment; determining an obstacle avoidance path for the low obstacle according to the boundary contour of the low obstacle in the surrounding environment; and when the cleaning equipment is close to the low obstacle, the cleaning equipment moves along the obstacle avoidance path. According to the obstacle avoidance processing method of the cleaning equipment, smooth obstacle avoidance for low obstacles can be realized.

The invention provides a W1 / OG / W2 type multiple emulsion based on a micro-fluidic chip and a preparation method, and belongs to the technical field of multiple emulsions. The intermediate phase of the multi-emulsion is separated by the oil gel phase OG, so that the exchange of internal and external two-phase substances is thoroughly prevented, the reaction of the internal and external two-phase substances is avoided, the substance compatibility is enhanced, and meanwhile, the aqueous phase thickener is added into the hydrogel phase W2, so that the viscosity of the hydrogel phase W2 is increased, the aggregation of liquid drops is delayed, and the stability of the emulsion is improved. According to the method, the active encapsulant can be encapsulated in the microdroplet to form a protective layer, so that the contact with air and the external environment is reduced, the encapsulant in the water-in-oil phase W1 / O is effectively prevented from being oxidized, the stability and the slow-release effect of the encapsulant are improved, and the storage life is prolonged. The multi-emulsion has wide applicability and can be widely applied to the fields of food, medicines, health care products and the like.

The utility model relates to the technical field of cable processing, in particular to a wire harness adhesive tape winding device, which comprises a rack, an adhesive tape winding device and a wire harness winding device, the winding mechanism comprises a C-shaped gear ring rotationally connected to the opening groove, and when the C-shaped gear ring is located at the initial position, an opening and the opening groove are arranged in the same direction; the unwinding mechanism is fixed on the rack and is used for unwinding the adhesive tape; the adhesive tape pulling mechanism is arranged on the rack and can move in the vertical direction of the side where the open groove is located, and a clamping jaw is arranged on the adhesive tape pulling mechanism and used for clamping the end of the adhesive tape and pulling the end of the adhesive tape to the position of the lower side of the open groove; and the adhesive tape cutting mechanism is arranged on the rack, is arranged above the opening of the opening groove and is used for cutting off the adhesive tape. Through the arrangement of the adhesive tape pulling mechanism, the mode that in the prior art, roller conveying is adopted, and the end of the adhesive tape is clamped through a clamping jaw and then pulled in the vertical direction is replaced, contact between the adhesive tape and an instrument on a rack is reduced, and then the winding reliability of the adhesive tape is improved.

The invention relates to the technical field of automatic feeding devices, and discloses an automatic feeding device for automobile brake disc surface nitriding treatment, the automatic feeding device comprises a surrounding plate, the left side of the surrounding plate is fixedly connected with a motor, the inner wall of the surrounding plate is rotatably connected with a transmission shaft, and the circumferential surface of the transmission shaft is in transmission connection with a conveying belt; the outer surface of the surrounding plate is fixedly connected with a workbench, the top of the workbench is provided with an electric push plate, the right side of the workbench is provided with a nitriding treatment machine, and the top of the surrounding plate is provided with an indirect discharging mechanism. The brake disc feeding device has the advantages that deviation during brake disc feeding is prevented, the feeding accuracy is improved, the working efficiency of equipment is enhanced, during transportation, a motor drives a first sliding plate to conduct indirect feeding, the risk of brake disc blockage is prevented, the service life of the equipment is prolonged, and follow-up machining is facilitated.

The invention provides an electrolyte for improving the interface stability of a four-electron aqueous zinc-iodine battery, and belongs to the technical field of zinc-iodine battery electrolyte additives, the electrolyte comprises N, N-dihydroxyethyl glycine, zinc sulfate, an additive and water; in the electrolyte, the concentration of the N, N-dihydroxyethyl glycine is 0.5 + / -0.2 mol / L; the molar ratio of the additive to the zinc sulfate is 1: 3; the additive comprises any one of methyl triethyl ammonium chloride, betaine hydrochloride and triethylamine hydrobromide. The electrolyte can enhance the interface stability of the electrode electrolyte, improve the cycling stability and electrochemical performance of the aqueous zinc-iodine battery, inhibit side reactions, and improve the safety and reliability of the battery. The invention also provides a high-capacity aqueous zinc-iodine battery.

The invention discloses a positive electrode material and a preparation method thereof, a positive electrode plate and a lithium battery, the positive electrode material comprises a core body and a carbon coating layer, the surface of the core body is at least partially coated with the carbon coating layer, the material of the core body comprises a lithium phosphate positive electrode material, the carbon coating layer contains one or more groups of alkyl, halogen atoms and nitryl. The surface of the lithium phosphate positive electrode material is coated with a layer of carbon material as a protective shell, and the carbon coating layer has hydrophobicity and contains one or more groups of alkyl, halogen atoms and nitryl, so that the prepared positive electrode material has hydrophobicity, the contact between the lithium phosphate positive electrode material and external water is reduced, and the service life of the lithium phosphate positive electrode material is prolonged. The problem of strong water absorption is solved.

The invention relates to the field of biological devices, in particular to a blood culture bottle positive sample transfer device which comprises a connecting pipe and at least two puncture needles, the puncture needles are communicated with an opening of the connecting pipe, a protective cover is arranged on the outer wall of the connecting pipe, and the protective cover is arranged on the outer wall of the connecting pipe. And the puncture needle close to the protective cover is arranged in the protective cover. A connecting seat is arranged at one end of the connecting tube, the protective cover is arranged on the outer wall of the connecting seat, and the puncture needle is communicated with the connecting tube through the connecting seat. And the protective cover is in threaded connection with the connecting seat. The device has the advantages that the blood sample in the culture bottle can be conveniently transferred, and pollution and biological hazards to the blood sample are avoided as much as possible.

The utility model provides a flying robot device for monitoring a cable-stayed cable, and a breakthrough is brought to the field of monitoring the cable-stayed cable of a cable-stayed bridge. The flying robot device adopts a detachable design, and is high in stability and convenient to transport and carry. The device is unique in structure, the rack adopts a center plate design, the foot stool is stably supported, and the operation flexibility and safety are greatly improved. The climbing mechanism, the deviation preventing mechanism and the image collecting mechanism are arranged, it is ensured that the unmanned aerial vehicle stably and efficiently collects images on the cable, and the problems that in the prior art, operation is inconvenient, and the cable is prone to being damaged are solved. Secondly, the guide wheel is accurately adjusted by the adjusting component, the stability is improved, and the contact of the device with the cable is reduced as much as possible; in addition, the anti-collision mechanism reduces shutdown or maintenance time caused by collision, the flying robot device can execute tasks for a longer time, operation efficiency is improved, and more efficient, accurate and safe cable-stayed cable monitoring is achieved.

The invention belongs to the technical field of earthquake monitoring equipment, and particularly relates to multifunctional earthquake monitoring equipment and a monitoring method.The multifunctional earthquake monitoring equipment comprises earthquake monitoring equipment and a first supporting plate; the first supporting plate is fixedly connected to the bottom of the earthquake monitoring equipment. A solar panel is arranged in the middle of the earthquake monitoring equipment; a wind speed sensor is arranged at the top of the earthquake monitoring equipment; a ceiling is arranged on one side of the earthquake monitoring equipment; supporting rods are fixedly connected to the bottoms of the four corners of the ceiling and make contact with the ground. Earthquake data can be recorded and transmitted through the earthquake monitoring equipment, the prevention effect is kept, meanwhile, other data can be additionally recorded in cooperation with the solar panel and the wind speed sensor, in the face of severe weather, the earthquake monitoring equipment can move, falling objects in the air are blocked through the ceiling, and the safety is improved. Direct contact between moisture and falling objects and the earthquake monitoring equipment is reduced, the service life of the earthquake monitoring equipment is prolonged, and the influence on data acquisition of the earthquake monitoring equipment is reduced.

The invention relates to the technical field of water heating pipeline installation, and discloses an auxiliary support for water heating pipeline installation, which comprises a bottom plate, a first moving assembly is arranged on the bottom plate, an adsorption box is installed on the first moving assembly, a hollow shaft is rotatably connected to the adsorption box, an adsorption opening is formed in the hollow shaft, and the adsorption opening is communicated with the adsorption box. A draught fan is fixed to the lower portion of the adsorption box, a motor assembly for driving the hollow shaft to rotate is arranged in the adsorption box, electric clamping jaws for clamping the water heating pipeline are arranged on the two sides of the adsorption box correspondingly, and a second moving assembly for adjusting the moving positions of the electric clamping jaws is arranged on the bottom plate. A plurality of moving wheels are fixed below the bottom plate; and dust and impurities on the hot melting part of the water heating pipeline can be conveniently cleaned through the rotating brush cleaning block, and can be discharged through the fan, so that dust and impurity residues on the hot melting part of the water heating pipeline are reduced, and the hot melting connection quality of the water heating pipeline is favorably improved.

The invention provides a high-conductivity high-temperature anti-oxidation life-prolonging coating for an electrolytic aluminum anode, which is prepared from the following raw materials in parts by weight: 34-50 parts of refined bauxite; 20 to 25 parts of water; 20 to 30 parts of silicon carbide; 1.5 to 3 parts of graphene; 4-6 parts of a glaze forming agent; 2.1 to 2.2 parts of a film forming agent; 0.3 to 0.4 part of a modifier; the glaze forming agent is composed of albite, talc and lanthanide oxide. The invention also provides a preparation method of the coating. The coating prepared by the invention is coated on the surfaces of a carbon block and an anode steel claw, the mechanical property and the conductivity of the coating can be improved by adding silicon carbide and graphite, cracks between the coating and the carbon block as well as between the coating and the steel claw can be made up by adding the glazing agent, and the adhesiveness, the thermal stability and the fracture toughness are improved. The coating provided by the invention can reduce the anode loss, improve the conductivity and reduce the production energy consumption and cost of electrolytic aluminum to a certain extent, and has popularization and application prospects.

A grinding device for graphite anode processing relates to the technical field of graphite grinding, and is characterized in that the top of a grinding box is communicated and fixed with a feeding pipe, the inner side of the grinding box is rotatably connected with a material roller, the side surface of the grinding box is provided with a driving mechanism for driving the material roller to rotate, and the inner side of the material roller is provided with crushing chambers in a rotary array manner; the grinding device comprises a grinding chamber, a grinding unit is installed on the inner side of the grinding chamber, the grinding unit is in transmission connection with a grinding box through a transmission mechanism, a grinding chamber is formed in the middle of a material roller, the inner side of the grinding chamber is evenly filled with grinding balls, the grinding chamber communicates with the interior of the grinding chamber through a conveying pipe, and a one-way valve is assembled on the conveying pipe. According to the graphite powder collecting device, contact between the material and the external environment in the material collecting process is small, so that adverse effects on health of workers due to escape of graphite powder are avoided, meanwhile, the graphite powder is collected more thoroughly, and the situation that the production cost is increased due to the fact that the escaped graphite powder cannot be collected is avoided.

The invention belongs to the technical field of battery materials, and particularly relates to an MXene material composite nickel-iron-manganese-based positive electrode material and a preparation method and application thereof. The chemical formula of the MXene material composite nickel-iron-manganese-based positive electrode material is NaNiaFebMncTMdO2 (at) MXene, TM is one or more of Mg, Al, Ti, Zn, Zr, Cu, Nb, W and Mo, values of a, b, c and d depend on charge balance, M in MXene is one or more of Ti, Nb, V, Mo, Ta, Cr and Hf, X is C or N, and ene represents a structural unit of graphene. MXene is compounded with the nickel-iron-manganese-based positive electrode material, so that the situation that the nickel-iron-manganese-based positive electrode material is in contact with water and CO2 in air to inhibit the interface side reaction between electrolyte and the nickel-iron-manganese-based material can be reduced, and excellent cycling stability is shown under high voltage.

The utility model discloses a printing nozzle cleaning device, and belongs to the technical field of printing equipment. Comprising a liquid supply container for storing cleaning liquid and a cleaning tank; the liquid supply container is communicated with a liquid inlet and a liquid outlet of the printing nozzle through a liquid supply pipeline; a valve, a circulating pump and a buffer bottle are mounted on the liquid supply pipeline; a sealing plate is arranged at an opening of the cleaning tank, and the sealing plate, the printing nozzle and the cleaning tank define a sealing bin for preventing cleaning liquid from volatilizing; a liquid level control opening is formed in the side wall of the sealing bin, and the distance between the liquid level control opening and the bottom of the cleaning tank is larger than the distance between the liquid spraying face of the printing spray head and the bottom of the cleaning tank. And a waste liquid outlet is formed in the bottom of the sealing bin. The automatic cleaning device has the advantages that the automatic cleaning process of the whole spray head can be achieved, the blocked spray holes are cleaned, the cleaning efficiency is improved, and the purpose of saving cleaning liquid is achieved.

The invention discloses quartz sand high-temperature treatment equipment with a dual treatment technology, and relates to the technical field of quartz sand treatment.The quartz sand high-temperature treatment equipment comprises a fixed supporting structure, and the fixed supporting structure comprises a supporting bottom frame and supporting bases which are fixedly connected to the supporting bottom frame and located at the two ends of the supporting bottom frame; the rolling drying structure comprises a drying cylinder rotationally connected to the supporting base, a feeding cylinder rotationally connected to one end of the drying cylinder and located on one side of the supporting base, a feeding box fixedly connected to the end, away from the drying cylinder, of the feeding cylinder and a rolling drying mechanism rotationally connected to the other end of the drying cylinder and located on the other side of the supporting base. The discharging barrel is arranged on one side of the supporting base; and the conveying structure comprises a motor which is fixedly connected to the feeding barrel and located below the feeding box. The fluidity of quartz sand in the feeding cylinder is remarkably improved, the drying efficiency is improved, and the problem of uneven drying caused by caking is solved.

The invention discloses a preparation method and application of a CuBi2O4 film electrode, and belongs to the field of film materials. The preparation method of the CuBi2O4 film electrode comprises the following steps: mixing an aqueous solution of 0.05 mol / L-0. 2 mol / L copper acetate and an aqueous solution of 0.05 mol / L-0. 2 mol / L sodium acetate to obtain an electrolyte I, and obtaining a Cu2O film on FTO (Fluorine-doped Tin Oxide) by adopting an electrodeposition method; adding a coordination agent, KOH and fused salt KNO3 into a 0.05 mol / L-0. 3 mol / L bismuth nitrate solution or adding water to dilute to obtain a solution II; and pulling and dipping the obtained Cu2O film in the solution II, carrying out annealing treatment, washing with deionized water, and drying to obtain the CuBi2O4 film electrode. According to the preparation method disclosed by the invention, Cu2O with uniform surface and good compactness is obtained by regulating and controlling the concentration ratio of cupric acetate to sodium acetate, and the high-quality CuBi2O4 film electrode is prepared by optimizing the concentrations of the coordination agent, the mineralizing agent and the fused salt on the basis.

The invention discloses a manufacturing method of a back-drilling solder-resistant plug hole, which comprises the following steps: drilling holes on a production board and metalizing the holes, the drilled holes comprising a first through hole and a second through hole, the first through hole comprising a small hole with the aperture of less than or equal to 0.35 mm and a large hole with the aperture of more than 0.35 mm, and the two surfaces of the production board being a first surface and a second surface respectively; manufacturing an outer layer circuit on the production board; performing depth-controlled back drilling at the second through hole, wherein the back drilling holes in the first surface and the second surface are respectively a first back drilling hole and a second back drilling hole; enabling the first surface of the production board to face upwards, and performing resin hole plugging on the first back drilling hole and the small hole; enabling the second surface of the production board to face upwards, and performing resin hole plugging on the second back drilling hole and the large hole; and carrying out silk-screen printing of solder resist ink on the production board, and carrying out pre-baking, exposure and development in sequence, so that the resin in the plug hole is cured and a surface solder resist layer is prepared. According to the method, the exposure and development times are reduced, the bad problem caused by multiple times of silk-screen hole plugging is solved, and the production efficiency and the production quality are improved.

The invention relates to the technical field of solar cells, and particularly discloses a back contact cell, a back contact cell string, a cell assembly and a photovoltaic system. The back contact cell is provided with a first area and a second area along a second direction; the first area is internally provided with first grid lines and second grid lines which are alternately arranged in the second direction, and first Pad points and second Pad points which are alternately arranged in the first direction, the second area is not internally provided with Pad points, and the second area is internally provided with third grid lines and fourth grid lines which are alternately arranged in the second direction; and the grid lines in the first preset area and the second preset area are narrowed. When the back contact battery is tested, the test difficulty is reduced, and the test reliability and stability are improved.

The invention provides an electrostatic chuck and a manufacturing method thereof, and the electrostatic chuck comprises a metal base which is internally provided with a plurality of gas channels and lifting channels; the ceramic cover is arranged on the metal base in a covering manner; the bonding layer is arranged between the metal base and the ceramic cover and is used for connecting the ceramic cover and the metal base; the ceramic cover comprises a ceramic plate which is located above the metal base, and a gas sleeve and a lifting sleeve which penetrate through the upper surface and the lower surface of the ceramic plate are arranged on the ceramic plate. The gas sleeve penetrates through the joint layer and is communicated with the gas channel; the lifting sleeve penetrates through the joint layer and is communicated with the lifting channel; and the upper part of the ceramic ring is connected with the circumferential edge of the ceramic disc, and the lower part of the ceramic ring is arranged in the circumferential directions of the joint layer and the metal base in a surrounding and sleeving manner and covers the side walls of the joint layer and the metal base, so that plasma is effectively prevented from corroding the joint layer and the metal base from the side surface, and the service life of the electrostatic chuck is prolonged.

The invention belongs to the technical field of weld joint corrosion prevention, and particularly relates to an automatic spraying detection device and method applied to an anti-corrosion material at a weld joint of a pressure steel pipe, the automatic spraying detection device comprises a workbench, a support and a bottom plate, the top end of the workbench is fixedly provided with a storage box used for storing the anti-corrosion material, and the workbench is fixedly provided with a turntable with a cavity; the rotating disc is communicated with the storage box through a communicating pipe, a plurality of conveying pipes are rotatably installed on the rotating disc, extension pipes are slidably installed on the multiple conveying pipes, spray heads are arranged at the top ends of the extension pipes, thickness gauges are arranged on the extension pipes, and a booster pump is arranged on the workbench. Automatic spraying and detection of the anti-corrosion material at the weld joint of the pressure steel pipe are achieved, the spraying efficiency is greatly improved, the uncertainty of manual operation is reduced, the thickness of an anti-corrosion layer is more uniform, the opportunity that workers make contact with the anti-corrosion material can be reduced, and the probability of occupational diseases is reduced.

The utility model relates to the technical field of feeding, and discloses a powder feeding device. The powder feeding device comprises a base and a first motor, one side of the base is fixedly connected with the first motor, a driving block is arranged in the middle of the first motor, the two ends of the driving block are in shaft connection with a first connecting rod and a second connecting rod respectively, and the other end of the first connecting rod is in shaft connection with a first bag breaking cutter; a first linkage shaft is fixedly connected to the middle of the first bag breaking knife, a second linkage shaft is fixedly connected to the middle of the second bag breaking knife, a first motor drives a driving block to rotate, the first connecting rod and the second connecting rod at the two ends are pushed through the driving block, and the first bag breaking knife is pushed through the first connecting rod; the first connecting rod pushes the first bag breaking knife, the second connecting rod pushes the second bag breaking knife, the first bag breaking knife and the second bag breaking knife move inwards at the same time to make contact with the powder bag, and therefore the powder bag is cut, the workload of workers is reduced, and the working efficiency is improved.

The invention discloses a double-phase high-temperature damping alloy material as well as a manufacturing method and application thereof. The main components of an alloy comprise manganese, copper, nickel, iron, zinc, aluminum and chromium. The preparation method of the high-temperature manganese-based damping alloy material comprises the steps of mother alloy cast ingot preparation, alloy processing and alloy aftertreatment. According to the high-temperature manganese-based damping alloy, the mixing entropy is larger than 1.5 R, and the valence electron concentration is 5.9 < = VEClt; compared with a single-phase fcc structure in the prior art, the high-entropy manganese-based alloy has the advantages that the high-entropy manganese-based alloy is of an fcc and bcc double-phase structure, the interfacial effect caused by double phases can be brought into full play, and the damping performance of the alloy at the high temperature is effectively improved, so that the high-entropy manganese-based alloy has stable high damping performance within the high-temperature range of 400-800 DEG C; the method can be applied to vibration noise control under high-temperature and oxidation environment conditions. The damping alloy is simple in manufacturing process and low in manufacturing cost.

The utility model relates to the technical field of cooling-water machines, and discloses an air-cooled cooling-water machine which comprises a shell and a cooling-water mechanism installed in the shell, and further comprises moving mechanisms arranged on the two sides of the shell, a mounting frame is arranged on the surface of each moving mechanism, and a flow divider designed to be of an inclined structure is installed in each mounting frame; according to the cooling-water machine, the first baffle and the second baffle are matched to block the interior of the shell, so that contact between dust and the radiator when the cooling-water machine is not used is reduced, the heat dissipation efficiency of the radiator is improved, the influence of the dust and the cooling-water machine is reduced, and the service life of the cooling-water machine is prolonged. And meanwhile, a radiator in the water cooling mechanism can be cleaned through air under cooperation of a moving mechanism and a spray head, convenience is achieved, the cleaning efficiency of the radiator in the water cooling mechanism is improved, and the problems that when an existing water cooling machine is not used, dust cannot be blocked, and the radiator is inconvenient to clean are solved.

The utility model discloses a dry building vegetation retaining wall which comprises undisturbed soil, a concrete foundation and a first concrete coping, the concrete foundation is arranged on the side, close to a riverway, of the undisturbed soil, the first concrete coping is arranged on the top layer of the undisturbed soil, and a riverway retaining wall is arranged above the concrete foundation. A broken stone hardcore is arranged on the slope face of the undisturbed soil, an ecological retaining wall is arranged above the broken stone hardcore, and an ecological protection slope is arranged in the ecological retaining wall. The concrete foundation is built beside the riverway, the riverway retaining wall is built on the concrete foundation so as to reduce direct contact between a riverway water source and undisturbed soil, meanwhile, the ecological retaining wall is laid on the riverway slope through the broken stone hardcore, and in the weather with a large amount of rainfall, the slope protection upper layer is protected by the ecological retaining wall. Silt and stones are prevented from being scoured, and the overall protection performance of the retaining wall is effectively improved.

The invention belongs to the technical field of geotechnical engineering sludge solidification, and particularly relates to an integrated test system and method for solidifying and repairing polluted bottom mud through vacuum electroosmosis. According to the method, the change of the water content and the electric conductivity of the polluted bottom mud in the electroosmosis treatment process can be monitored in real time, and the change of the pollution concentration of the polluted bottom mud can be calculated in real time according to the change of the water content and the electric conductivity, so that the problems that a traditional test method needs sampling detection, steps are tedious and a result cannot be obtained in real time are solved; no special equipment is needed for measuring the concentration and the moisture content of the pollutants, so that the cost is saved; pollutants in the polluted bottom mud are discharged into the water collecting assembly along with sewage, so that the decontamination effect is ensured; the polluted bottom mud in the mud inlet assembly is sucked into the vacuum container through the negative pressure assembly, so that the uniformity of the polluted bottom mud is ensured; along with the proceeding of the test, the vacuum container compresses the polluted bottom mud, so that the vacuum electroosmosis dehydration and decontamination process is accelerated.