106results about How to "Promote rupture" patented technology

The invention relates to the technical field of concrete admixtures, and discloses a nano rebound inhibitor for shotcrete and a preparation method thereof. The components, measured by weight, include 400-600 parts of nano microspheres, 400-550 parts of nano calcium carbonate, 10-30 parts of sodium carbonate, 1-10 parts of sodium aluminate, 10-30 parts of alum, 18-40 parts of polycarboxylic acid water reducer, and 0-0.5 parts of triterpenoid saponin; the nano microspheres are hydrated calcium silicate with silicon dioxide as the core material and colloid as the shell material, and the colloid is doped with a lithium source. The nano rebound inhibitor of the present application can significantly improve the state of shotcrete and greatly reduce the rebound amount of concrete, thereby further saving construction costs and accelerating construction accuracy. By utilizing the characteristics of the mineral admixture in the nano rebound inhibitor, the compactness of the concrete can be improved, and the durability of the shotcrete can be further improved.

The invention belongs to the technical field of plant drinks, and particularly relates to kidney-tonifying and bowel-relaxing cistanche tea and a preparation method thereof. The herba cistanche tea is prepared from the following raw materials in parts by weight: 30 to 40 parts of herba cistanche, 10 to 15 parts of fructus lycii extract, 10 to 12 parts of semen cassiae extract, 10 to 15 parts of fructus cannabis extract, 8 to 12 parts of radix polygoni multiflori extract, 8 to 10 parts of rhizoma dioscoreae extract, 3 to 5 parts of honey powder, 5 to 10 parts of maltodextrin, 2 to 3 parts of beta-cyclodextrin, 2 to 3 parts of antioxidant, 0.1 to 0.15 part of mixed enzyme and 2 to 3 parts of zymophyte. According to the preparation method disclosed by the invention, the flowers and the rhizomes of the cistanche are subjected to pretreatment and enzymolysis treatment in different modes, and then fermentation is performed under the same microbial fermentation condition, so that respective advantages of the two parts of raw materials are fully played, beneficial components are released and retained to the maximum extent, and the functionality and the quality of the product are remarkably improved through synergistic fermentation.

The utility model discloses a post-processing device for release paper production, which comprises a base, a first guide frame, a second guide frame, a vibration generator, an air distribution pipe and an air heater, the first guide frame and the second guide frame are arranged on the base in a front-and-back spaced mode, supports located between the first guide frame and the second guide frame are arranged on the base in a spaced mode, and the vibration generator is connected with the air distribution pipe. Guide sleeves are arranged at the tops of the supports respectively, guide columns extending upwards are vertically arranged in the guide sleeves, a floating plate is arranged at the tops of the guide columns, a roller is arranged on the floating plate, the vibration generator is arranged on the floating plate, an elastic supporting body is arranged between the guide sleeves and the floating plate, and the air distribution pipe is suspended above the roller. Air nozzles pointing downwards are arranged at the bottom of the air distribution pipe at intervals. According to the post-processing device for release paper production, a release agent can be dried, bubbles are removed, and meanwhile, the problem that the release agent is locally lost in the release paper can be solved.

The invention discloses a sulfur foam tank defoaming device and a use method thereof, and relates to the technical field of desulfurization and defoaming. Comprising an open cylinder, a lifting cover disc is slidably arranged at the top in the open cylinder, a hollow sleeve is fixedly arranged in the middle of the lifting cover disc, and a hollow shaft is rotatably inserted into the hollow sleeve; three planetary transverse shafts are rotatably inserted into the bottom of the hollow shaft, and a plurality of first stirring paddles are fixedly arranged on the outer section parts of the planetary transverse shafts; a center shaft is rotatably inserted into the hollow shaft, and a three-jaw disc is fixedly arranged at the bottom end of the center shaft. A planetary vertical shaft is rotatably inserted into the end part of the three-jaw disc; and a plurality of second stirring paddles are fixedly arranged at the bottom section part of the planetary vertical shaft. Sulfur foams are eliminated in a stirring mode, so that the treatment process of the sulfur foams is more controllable, the retention time of the sulfur foams in the treatment process can be shortened, the defoaming treatment effect is further improved, and high adaptability and flexibility are achieved.

The invention relates to a ship flue gas desulfurization and decarburization system based on ultrasonic enhancement and an adjusting method.The ship flue gas desulfurization and decarburization system based on ultrasonic enhancement comprises a desulfurization mechanism, a decarburization mechanism and an analysis mechanism, and the flue gas output end of the desulfurization mechanism is connected with the flue gas input end of the decarburization mechanism; a lean amine input end of the decarburization mechanism is connected with a lean amine output end of the analysis mechanism, a rich amine input end of the analysis mechanism is connected with a rich amine output end of the decarburization mechanism, and ultrasonic enhanced mass transfer components are arranged in respective reaction areas of the desulfurization mechanism, the decarburization mechanism and the analysis mechanism. Therefore, the dispersion effect of corresponding reaction materials in the reaction area is accelerated, and the mass transfer efficiency of the corresponding reaction materials is further improved. Ultrasonic waves can improve the analysis rate of the rich amine solution and reduce the requirement for the equipment size.

The invention provides anti-scattering water-guided laser cutting fluid as well as a preparation method and application thereof. The anti-scattering water-guided laser cutting fluid comprises the following components in parts by weight: 0.1-1 part of an anti-scattering agent; 0.01 to 0.1 part of a foam discharging agent; 1-5 parts of a refractive index regulator; and 80-99 parts of ultrapure water. The anti-scattering agent is a polymer; the foam removing agent is one or more of hydroxymethyl cellulose, hydroxy propyl cellulose, sodium lignin sulfonate, potassium lignin sulfonate and naphthalene sulfonic acid formaldehyde condensate sodium salt; the refractive index regulator is an iodine-containing compound and / or a fluorine-containing compound. According to the anti-scattering water-guided laser cutting fluid, light beam scattering and energy loss in the water-guided laser cutting process can be remarkably reduced, and the cutting precision and efficiency are improved. The anti-scattering water-guided laser cutting fluid has very good application prospects and large-scale industrial popularization potential in the field of water-guided laser cutting.

The invention discloses a fluoride modified liquid metal medium thermite and a preparation method thereof, and belongs to the technical field of thermite preparation. Liquid metal is prepared by using Gallinstan eutectic; the method comprises the following steps: synthesizing aluminum powder and liquid metal by adopting a physical mixing and ultrasonic treatment method to obtain liquid metal modified aluminum; the preparation method comprises the following steps: adding FeCl3. 6H2O into a perfluorooctanoic acid aqueous solution, stirring and mixing, carrying out hydrothermal reaction, and washing the obtained product to obtain Fe (PFO) 3; the method comprises the following steps: mixing liquid metal modified aluminum with iron perfluorooctanoate, and carrying out ultrasonic treatment to obtain Fe (PFO) 3-coated LM-Al; fe (PFO) 3 (at) LM-Al and ferric oxide are added into absolute ethyl alcohol for ultrasonic stirring and mixing, and Fe (PFO) 3 (at) LM-Al (at) Fe2O3 is prepared. By the adoption of the method, the high-temperature thermal oxidation reaction temperature of the aluminum powder is increased to be before the melting point of 660 DEG C, and the breakthrough progress of the aluminum powder thermal mass transfer process is achieved.

The utility model relates to the field of pipeline scaling cleaning, in particular to a directional shock wave gas pulse pipeline descaling flushing device capable of being assembled and disassembled on line, which comprises a high-pressure gas source, a gas valve, a gas inlet pipe and a bidirectional pneumatic shock wave generating device, the high-pressure gas source is used for providing high-pressure gas required for cleaning the pipeline for the bidirectional pneumatic impulse wave generating device; the air valve is located between the high-pressure air source and the air inlet pipe and controls high-pressure air to enter the on-off state of the air inlet pipe. The air inlet pipe is communicated with the air valve and the two-way pneumatic shock wave generating device, high-pressure air enters the two-way pneumatic shock wave generating device, and meanwhile the two-way pneumatic shock wave generating device is supported. High-pressure gas flows into the pipeline in a high-frequency pulsation mode and is gathered into shock waves, the flow speed of liquid in the pipeline is increased, bubbles in the pipeline are promoted to be fused and broken, the small bubble adsorption capacity of scale deposited on the lower portion of the pipeline is improved, the pipeline cleaning capacity is improved, and the flushing device can be assembled and disassembled on line under the operation condition.

The invention discloses a preparation method of a zero-valent iron reduction material with micro-nano size and water stability, and belongs to the field of underground water pollutant degradation materials. The method comprises the following steps: 1) uniformly mixing micron-sized zero-valent iron powder and hexadecyl trimethoxy silane, and carrying out mechanical ball milling; and 2) cleaning the material with a cleaning agent, and drying to obtain the zero-valent iron reduction material with micro-nano size and water stability. According to the preparation method, a mechanical ball milling method and a hexadecyl trimethoxy silane surface modification method are utilized to cooperate, so that micro-nano size and surface hydrophobicity of the zero-valent iron are stabilized, agglomeration and passivation of the zero-valent iron in water are inhibited, and the reduction activity and water stability of the zero-valent iron material are improved; the reducing capacity of the material on pollutants such as halogenated hydrocarbon and heavy metal in water is remarkably improved, the material can be kept stable in water for a long time, the technical problems that the micro-nano zero-valent iron reducing material is prone to inactivation and difficult to store are solved, and waste of material resources can be reduced.

The invention relates to the technical field of cement grinding aids, and particularly discloses an efficient composite Portland cement clinker grinding aid and application thereof. The grinding aid comprises a liquid A and a liquid B which are separated from each other. Wherein the solution A comprises a mixed solution of ethylene glycol and water and iron dihydrogen phosphate. Wherein the volume ratio of the ethylene glycol to the water is (3-3.7): 1, and the iron dihydrogen phosphate in the mixed solution is in a saturated state. The solution B comprises a sodium borohydride and / or potassium borohydride solution, a polycarboxylate superplasticizer and modified magnesium oxide powder. Wherein the mass fraction of the sodium borohydride and / or potassium borohydride solution is 3-5%, the mass fraction of the polycarboxylate superplasticizer in the solution B is 12-17%, and the content of the modified magnesium oxide powder is 4.5-7 g / L. The grinding aid disclosed by the invention can effectively eliminate the electrostatic effect of cement particles, reduce re-agglomeration among the particles and improve the dispersity of cement clinker particles, so that the grinding efficiency is improved.

The invention relates to the technical field of heat energy power engineering, and discloses a waste heat recovery type heat energy driving device and application thereof in power engineering.The waste heat recovery type heat energy driving device comprises a transmission shaft, a suction machine, a pressure reduction assembly and a power assembly are sequentially arranged on the transmission shaft, the input end of the suction machine is connected with a suction pipe, and an adjusting assembly is arranged on the suction pipe; the end, away from the suction machine, of the suction pipe is connected with a boiler assembly, a filtering assembly is arranged on the side face of the boiler assembly, a cleaning assembly is arranged on the boiler assembly, and a connecting pipe is connected between the cleaning assembly and the power assembly. According to the boiler, the pressure reduction assembly is arranged, after pressure reduction and cooling are conducted on water vapor generated in the boiler, the water vapor is input into the power assembly to drive the transmission shaft to rotate, and therefore external mechanical equipment is driven to operate; by arranging the adjusting assembly, the flow of water vapor input into the power assembly is adjusted, so that it is guaranteed that the rotating speed of the transmission shaft is constant.

The invention discloses a semiconductor packaging structure and a manufacturing method thereof. The packaging structure comprises a supporting substrate, a chip body arranged on the supporting substrate, a metal lead connected between the supporting substrate and the chip body, a spacing assembly arranged on the chip body, and a light-transmitting plate body arranged on the chip body through the spacing assembly. The chip body, the spacing assembly and the light-transmitting plate body jointly enclose to form a closed space. The packaging structure further comprises a packaging colloid formed on the outer side of the closed space, and the packaging colloid is formed by curing liquid resin sealing glue. The encapsulant includes a plurality of first fillers and a plurality of second fillers dispersed therein. Before the liquid resin sealant is cured, the sinking rate of the second filler in the liquid resin sealant is smaller than that of the first filler. Therefore, the distribution condition of the filler is effectively improved, and the problem of glass breakage caused by filler separation in the prior art is effectively improved.

The utility model provides a crucible packaging tool for a differential scanning calorimeter, which comprises a fixed shell, the bottom end of the fixed shell is connected with a base in a sliding manner, a plurality of lower dies are arranged in the base, and a crucible is arranged on the surface of each lower die; the top end of the fixing shell is slidably connected with a pressing die, a plurality of fixing holes are formed in the pressing die, and upper dies are installed in the fixing holes. The upper die is in threaded connection with the first screw, and the top end of the first screw is clamped in the fixing hole; a rubber pad is mounted between the top end of the upper die and the pressing die; a stamping block is connected into the upper die in a sliding mode, and the stamping block extrudes a crucible cover. A first spring is installed in the upper die, and the two ends of the first spring abut against the first screw and the stamping block correspondingly. The crucible packaging tool for the differential scanning calorimeter has the advantages that a plurality of crucibles can be packaged at the same time, and the packaging effect is good.

This utility model discloses an adhesive mixing device for fiberboard production, including a mixing tank. A positioning ring is installed on the bottom side wall of the mixing tank. The outer wall of the positioning ring has evenly distributed fixing openings. An upper cylinder with an opening facing downwards is installed on the inner wall of each fixing opening. A lower cylinder with an opening facing upwards is located at the bottom of the upper cylinder. A vibration spring is installed on the inner wall of the upper cylinder, and the bottom outer wall of the vibration spring is connected to the inner wall of the lower cylinder. An air pump is installed on the top outer wall of the mixing tank. The output end of the air pump is connected to the interior of the mixing tank through a pipe. A vibration motor is fixedly installed at the center of the bottom of the mixing tank. This utility model utilizes the high-frequency vibration generated by the vibration motor driving the vibration spring, combined with the negative pressure environment created by the air pump drawing a vacuum inside the mixing tank, to effectively break down the bubble structure in the adhesive, causing the bubbles to rise rapidly and burst, thus quickly eliminating air bubbles in the adhesive.

The invention discloses a hydrolysis hydrogen production and condensation integrated reactor which comprises a reaction device and a condenser, a reaction cavity is formed in the reaction device, the reaction device is further provided with a hydrogen outlet communicated with the reaction cavity, and the hydrogen outlet is used for discharging reaction gas in the reaction cavity; the condenser is arranged in a guide channel between the hydrogen outlet and the reaction cavity and is used for being in contact with a medium moving from the reaction cavity to the hydrogen outlet and condensing the medium; according to the scheme, the condenser and the hydrogen production device are integrally arranged, the condenser is located between the hydrogen outlet and the reaction cavity, steam in reaction gas can be condensed into liquid, carried or deposited particulate matter so as to prevent blockage, and the condenser can also block bubbles, promote foam breakage, lower the liquid level and ensure smooth gas discharge.

The utility model relates to the technical field of oiling agent defoaming, in particular to a spinning oiling agent defoaming device which comprises a treatment barrel, a liquid inlet pipe is connected to the bottom of the side wall of the treatment barrel, a plurality of baffle plates are obliquely arranged at the bottom of the inner side wall of the treatment barrel in a staggered mode, a placing table is arranged on the inner side wall of the treatment barrel, and a lipophilic porous filler piece is placed on the placing table. The top of the side wall of the treatment barrel is connected with a liquid outlet pipe, a defoaming weir is arranged at the joint of the liquid outlet pipe and the treatment barrel, the top of the defoaming weir is of a sawtooth structure, the top of the treatment barrel is connected with a vacuum pipe, the vacuum pipe is connected with a vacuum pump, and an on-off valve is arranged on the vacuum pipe; the liquid inlet pipe is arranged at the bottom of the treatment barrel, so that the phenomenon that new bubbles are generated due to impact of a free falling body when an oiling agent is poured from the top is avoided, bubble generation is reduced from the source, foam on the liquid level is intercepted by the defoaming weir, a foam liquid film is damaged through the mechanical cutting action of the sawtooth edges, and it is ensured that no surface foam remains on the discharged oiling agent.

The application provides a method for removing nitrogen and phosphorus in sludge, and relates to the technical field of sewage treatment. The method comprises the following steps: (1) sludge dewatering treatment; (2) sludge pretreatment; (3) hydrolysis acidification treatment; a mixture of divalent salt and trivalent salt is added in the hydrolysis acidification treatment, and it is unexpectedly found that the crystallinity of the layered double hydroxide formed by co-precipitation of the mixed salt solution is better, the specific surface area is larger, more carriers can be provided for microbial reproduction, the reproduction and metabolism of microorganisms are strengthened, and therefore the hydrolysis acidification efficiency of the sludge is better improved, and the nitrogen and phosphorus removal effects are obviously improved.

The utility model discloses a fine crushing device for coal processing, which comprises a frame, a feed port and a discharge port, the feed port and the discharge port are arranged at the top end and the bottom end of the frame, two rotatable crushing rollers are connected in the frame and are distributed in a staggered manner, and a plurality of crushing grooves and a plurality of crushing bulges are arranged on the surfaces of the crushing rollers. A crushing area is formed by the crushing protrusions and the crushing grooves of the other crushing roller, the rack is connected with a scraping plate used for scraping materials on the surfaces of the two crushing rollers, and the rack is connected with a driving mechanism used for driving the two crushing rollers to rotate. Local high stress can be generated when materials are extruded by the edge of the crushing groove, the materials can be promoted to be broken, fine materials can be obtained, the machining quality is improved, a traditional smooth crushing roller design is replaced, meanwhile, residual materials on the crushing roller can be scraped by the scraping plate, the crushing roller is cleaned, the situation that the crushing efficiency is affected due to material accumulation is avoided, and the service life of the crushing roller is prolonged. The practicability is high.

The present invention relates to a resin composition, a laminate and a multilayer printed wiring board. The present invention relates to a resin composition comprising (A) a maleimide compound having a saturated or unsaturated divalent hydrocarbon group and a thermoplastic resin.

The utility model relates to a two-stage centrifugal device for efficiently extracting concentrated sludge EPS, and belongs to the technical field of wastewater treatment.The two-stage centrifugal device comprises a rack, a first-stage centrifugal machine, a feeding pump, a heating box, a second-stage centrifugal machine and a self-priming pump, the feeding pump is arranged on the rack and is used for pumping sludge in the concentrated sludge tank into the primary centrifugal machine; the heating box is arranged on the first-stage centrifugal machine in a communicating mode and used for heating liquid centrifuged by the first-stage centrifugal machine, the second-stage centrifugal machine is arranged on the heating box in a communicating mode and used for exerting the centrifugal effect on the heated liquid again, and the self-priming pump is arranged on the rack and used for pumping the liquid in the heating box into the second-stage centrifugal machine. The method has the advantages that various decomposition promoting drugs do not need to be added, ultrasonic treatment is not needed, so that excessive cell rupture is avoided, and the problem that excessive cell rupture is likely to be caused when extracellular polymeric substances are extracted through wastewater treatment is effectively solved.

The utility model relates to a water quenching pool. The device comprises a tank body, a stirring mechanism, an aeration mechanism and a circulating cooling system, the stirring mechanism is installed in the tank body through a support, the stirring mechanism comprises a stirring shaft, stirring blades and a motor, the stirring shaft is rotatably installed on the support in the vertical direction, the stirring blades are installed on the stirring shaft in the axial direction of the stirring shaft, and the stirring shaft can be driven to rotate through the motor; the aeration mechanism is mounted at the bottom of the tank body, and air can be injected into water through the aeration mechanism, so that the cooling uniformity of the casting is improved; the tank body is further connected with a circulating cooling system, and the temperature of water in the tank body can be reduced through the circulating cooling system. According to the scheme, the uniformity of the water temperature in the pool can be improved, a heat insulation steam film is damaged during water quenching, water makes continuous contact with the surface of the casting, and the water quenching effect is guaranteed.

The present application relates to oil and gas field development and environmental protection technical field, especially an aging oil demulsification treatment method, comprising: mixing fly ash and sodium hydroxide, then calcining, acid leaching, then mixing with oily sludge and ferroferric oxide, reduction reaction, mixing the reduction reaction product with 3-mercaptopropyl triethoxysilane, modification reaction, to obtain magnetic adsorbent; mixing aging oil, partial phosphate and water, stirring, standing and separating, to obtain pretreated aging oil; adding magnetic adsorbent, complexing agent, wetting reverse agent and demulsifier to the pretreated aging oil, stirring, then microwave irradiation treatment, magnetic separation, vortex separation and centrifugal dewatering, to obtain purified oil. The present application removes FeS particles by magnetic adsorbent, combines with multi-assistant component synergistic demulsification and multi-field coupling physical separation, destroys the stable emulsification system of aging oil, and the process is efficient, suitable for industrial demulsification treatment of high stability aging oil.

The utility model discloses a cooking utensil, including the pot cover and the pot body, the pot cover and the pot body enclose the cooking cavity, the pot cover includes the cover and the vent pipe, and the cover is provided with the exhaust passage, and the vent pipe is formed with the cover cooperation exhaust chamber, and has the pipe body that extends into the exhaust passage, and the pipe body has the air inlet and the gas outlet, and the air inlet is communicated with the cooking cavity, and the gas outlet is set up in the lateral wall of pipe body to the horizontal direction, and the vent pipe still has the shielding portion that sets up at the gas outlet, and the shielding portion shields the at least partial area of gas outlet, and can move or deform relative to the pipe body to open the gas outlet. The conduction area of gas outlet can change, satisfies the requirement under different working conditions, reduces the difficulty of size design, improves the versatility. The gas outlet is set up in the lateral wall of pipe body, when the liquid in the pot boils, cannot directly surge to the gas outlet, reduces the risk that the liquid and the foam enter the exhaust passage through the gas outlet, also avoids that the liquid and the foam and the shielding portion directly contact will stick the shielding portion.

This utility model provides a water spray circulation system for ultrasonic testing, comprising: a water tank; a water pump, the inlet of which is connected to the water tank; a gas separation device, including a separation chamber and a defoaming plate, the separation chamber being connected to the outlet of the water pump, the inlet of the separation chamber being opposite to the defoaming plate, so that the water flow impacts the defoaming plate and flows downward along the plate surface to form laminar flow; and a water sprayer connected to the separation chamber, which contains an ultrasonic probe. The water spray circulation system for ultrasonic testing produces a water column with fewer bubbles, resulting in high detection accuracy for the tested object.

The utility model relates to a valve ball convenient to clean, which comprises a ball body and a valve rod positioned above the ball body, a flow cavity is arranged in the ball body, the valve ball further comprises a mounting sleeve, a left filter screen and a right filter screen, the ball body comprises an upper mounting part and a lower mounting part, the flow cavity is positioned between the upper mounting part and the lower mounting part, and the left filter screen and the right filter screen are arranged in the mounting sleeve. The valve rod is fixedly connected with the upper mounting part, the mounting sleeve is located in the flowing cavity and attached to the inner wall of the upper mounting part and the inner wall of the lower mounting part in the circumferential direction, a spiral rifling groove is formed in the mounting sleeve, and the left filter screen is detachably connected with the left side of the upper mounting part and the left side of the lower mounting part. And the right filter screen is detachably connected with the right sides of the upper mounting part and the lower mounting part. According to the valve ball convenient to clean, the left filter screen and the right filter screen are detached from the left side and the right side of the upper mounting part and the left side and the right side of the lower mounting part respectively, the upper mounting part and the lower mounting part can be separated, and then the mounting sleeve is taken out to be cleaned.

The invention provides an IPDI-coated SPUA microcapsule as well as a preparation method and application thereof, and belongs to the technical field of self-repairing coatings. The preparation method comprises the following steps: mixing sodium dodecyl benzene sulfonate, polyvinylpyrrolidone and water to obtain a water-phase solution; mixing the water phase solution with isophorone diisocyanate and polymethylene polyphenyl polyisocyanate, and carrying out homogenization, so as to obtain an emulsion; and mixing the emulsion with a diethylenetriamine aqueous solution, and carrying out an interfacial polymerization reaction to obtain the IPDI (at) SPUA microcapsule. An interfacial polymerization method is adopted, isophorone diisocyanate is used as a raw material to prepare the microcapsule loaded with the repairing agent, isophorone diisocyanate (IPDI) can react with water to generate a polyurethane polymer, the scratch defect can be effectively overcome, then corrosion of metal is slowed down, and the repairing effect of the microcapsule is achieved; the organic repairing coating can be applied to the deep sea environment.

The invention discloses a positive electrode material and a preparation method thereof, a battery monomer, a battery device and a power utilization device. The battery monomer comprises a positive pole piece, the positive pole piece comprises a positive pole current collector and a positive pole film layer located on at least one side of the positive pole current collector, the positive pole film layer comprises a positive pole material, the positive pole material comprises an inner core and a positive pole active material with the chemical formula of LiFe1-x-yMnxMyPO4, x is more than 0 and less than 1, y is more than or equal to 0 and less than 1, and 1-x-y is more than 0 and less than 1; m is selected from one or more of IIA group elements, IIIA group elements, IVA group elements and transition metal elements; the coating material covers at least part of the surface of the inner core, and the coating material comprises a perovskite material; wherein the coating material forms a coating layer on the surface of the inner core, the coating uniformity of the coating layer is represented by a thickness value variation coefficient, and the thickness value variation coefficient of the coating layer is less than or equal to 50%. The battery monomer provided by the embodiment of the invention has improved cycle performance and high-temperature storage performance.

The utility model discloses an oily sludge pretreatment screening device belongs to oily sludge processing technical field, solved the screening efficiency low, the problem of slow mud oil separation, low impurity removal rate in the prior art, including feed bin, pretreatment device and oil -water separation device, and the oil -water separation device includes the outer tube, and the outer tube one side is provided with the feed port, and the other side is provided with the discharge gate, and the feed port outside is equipped with the first drive motor, and the first drive motor output end is connected with the rotating shaft, and the rotating shaft surface is provided with a plurality of spiral pieces, and the rotating shaft surface is provided with a plurality of emanation holes, and the emanation hole is filled with microwave emission column. The utility model utilizes oil -water separation device to screen out the impurity in oily sludge from the screening net, and the rotating shaft is rapidly extruded to the oily sludge, and the microwave emission column promotes the surface rupture of the oily sludge, realizes the quick separation of oily sewage, and sets up the magnetic conveying belt in the conveying process, and improves the impurity removal rate.

The invention discloses a hair root blackening liquid for turning white hair into black hair and a preparation method of the hair root blackening liquid. The preparation method comprises the following steps: S1, preparing an extracting solution, namely respectively extracting mulberry fruits, liquorice, polygonum multiflorum, prepared rehmannia roots, oriental arborvitae, black sesame, eclipta prostrata, dandelion, folium mori, ginseng, ligusticum chuanxiong hort, cortex magnoliae officinalis and cordyceps sinensis by using ultrasonic extraction equipment, quantitatively mixing the obtained extracts, and filtering impurities to obtain the extracting solution. The shampoo has the advantage of promoting hair blackening, and the problems that in the using process of existing shampoo liquid, the effect of promoting generation of melanin in hair is poor, generation of melanin in white hair is insufficient easily, the color of the hair is not obviously changed, and the using effect of the shampoo liquid is reduced are solved.

A system and method for self-adaptive and efficient sealing of boreholes and cracks around them, system: two auxiliary tubes of the flower tube are connected to the front end of the flower tube; the output shafts of two high-frequency vibration motors are inserted into the two auxiliary tubes of the flower tube; the extraction pipeline is arranged at the axis of the flower tube, and its two opposite sides are connected to the inner wall of the flower tube through two supporting thin plates; the leakage area of ​​the supporting thin plate is provided with a shock-sensitive film; multiple groups of discharge ports A of the flower tube are correspondingly provided with multiple annular high-elastic bags; the head end of the feeding cylinder in the spiral conveying unit is connected with a feed pipeline and an air intake pipeline, the feed end of the feed pipeline is connected to the discharge port of the material heater, and the upstream side of the air intake pipeline is connected to a booster pump, a gas heater and a gas storage tank in sequence; method: construction of drilling; assembly and installation of a crack plugging device; plugging of cracks around the borehole; assembly and installation of the borehole plugging device; plugging of the borehole. The system and method can realize efficient plugging of the borehole and the pores around it.