299results about How to "Improve homogeneity" patented technology

The invention relates to a heart organoid and an in-vitro preparation method thereof, and belongs to the technical field of stem cells. The invention provides a heart organoid. The heart organoid is obtained by induced culture of an adherent pluripotent stem cell mass; the adherent pluripotent stem cell mass is obtained by adherent culture of a suspended pluripotent stem cell mass; the suspension pluripotent stem cell mass is obtained by suspension culture of pluripotent stem cells. According to the in-vitro preparation process of the heart organoid, after pluripotent stem cells form balls, the pluripotent stem cell balls are subjected to staged induced differentiation under adherent culture, so that cell subtypes such as epicardial cells and the like can be generated without additional addition or additional stimulation of signal channels, and the heart organoid is more homogeneous. The self-occurring multi-lineage coexisting heart organoid can better simulate biological events derived from multiple cell types and multiple cell subtypes in the early development process of an embryonic heart, and has great application prospects in exploration of pathogenic factors and potential treatment targets of congenital heart diseases.

The invention provides a metallized film for a capacitor, a preparation method of the metallized film and the capacitor, and relates to the technical field of capacitor manufacturing. The preparation method of the metallized film comprises the following steps: preparing an inorganic reinforcing material from raw materials including 1, 4-phthalaldehyde, zirconium diboride and tetraethoxysilane; the preparation method comprises the following steps: preparing a modified polypropylene material from raw materials including 4, 4 '-diaminobiphenyl, triphenyl phosphate, an ethylene-1-octylene copolymer, polyethylene and polypropylene; raw materials including polyvinyl alcohol, a silane coupling agent, N-hydroxynaphthalimide trifluoromethanesulfonic acid, an inorganic reinforcing material and a modified polypropylene material are subjected to melt mixing, casting piece forming and two-way stretching, and a base film is obtained; applying a polyester coating on the base film, and carrying out irradiation treatment on the base film by adopting an electron beam and an ultraviolet light source to obtain a modified base film; a metal layer is formed on the modified base film through vacuum evaporation, and the metallized film is obtained. The metallized film obtained by the invention has good thermal stability and mechanical properties.

The present invention separates and purifies chitosan in shrimp by-products, and then prepares chitosan / collagen / plant essential oil multilayer nano composite microsphere emulsion, which is applied to sunscreen skin care products. The plant essential oil has sunscreen effect, chitosan has antibacterial and anti-inflammatory properties, and collagen can repair damaged skin. By controlling the extraction and purification process of chitosan, the molecular weight of chitosan is controlled, the homogeneity of chitosan is improved, and the antibacterial property of chitosan is improved. Through the form of multilayer nano composite microsphere emulsion, the plant essential oil is protected, the volatilization of the plant essential oil is reduced; the release rate of the plant essential oil is controlled, and a slow release effect is produced; the particle size of the effective ingredient is smaller and easier to be absorbed by the skin; at the same time, a component with waterproof performance is added to the sunscreen cosmetics, so that the sunscreen skin care products of the present invention have excellent sunscreen effect and waterproof performance.

The invention discloses a zanthoxylum bungeanum essential oil Pickering emulsion starch-based active composite membrane and a preparation method thereof. The preparation method specifically comprises the following steps: preparing nano cellulose; preparing a Chinese prickly ash essential oil Pickering emulsion by utilizing the nano cellulose; corn starch, deionized water and glycerin are mixed and stirred, and gelatinized starch liquid is obtained; adding the pepper essential oil Pickering emulsion into the gelatinized starch liquid, stirring, and standing in a vacuum state to remove bubbles, so as to obtain a film forming liquid; and pouring the film forming liquid into a polytetrafluoroethylene mold, and standing to obtain the active composite film. According to the composite membrane disclosed by the invention, due to the introduction of the Pickering emulsion, the transmission path of water molecules in the membrane is increased, and the content of a hydrophobic part in the membrane is increased, so that the barrier effect of the composite membrane is improved.

The invention relates to the technical field of 3D printing building materials, in particular to a 3D printing geopolymer composite material with low drying shrinkage and a preparation method thereof.The 3D printing geopolymer composite material is prepared from, by mass, 400 parts of slag powder, 320 parts of fly ash, 80 parts of steel slag micro powder, 1200 parts of quartz sand, 5.1-25.6 parts of sodium hydroxide, 46.4-66.9 parts of sodium silicate, 8 parts of barium chloride and 296 parts of water. The preparation method comprises the following steps: fully mixing the slag powder, the fly ash, the steel slag micro-powder and the quartz sand according to a preset mass ratio to obtain a uniform basic powder mixture; adding an alkali activator and barium chloride into the basic powder mixture, and continuously mixing until the mixture is uniform to obtain a first mixture; and adding water into the first mixture according to a preset water-binder ratio, and carrying out stirring treatment according to a preset stirring method to obtain the 3D printing geopolymer composite material with low drying shrinkage. According to the invention, the drying shrinkage can be reduced.

A preparation method of a carbon black-based composite conductive agent for an automobile lithium battery belongs to the technical field of new energy automobile lithium batteries, and comprises the following steps: depositing conductive carbon black on the surface and gaps of MOF-Ni3 (HITP) 2 by adopting a vapor deposition method to obtain MOF-Ni3 (HITP) 2 loaded carbon black, and then carrying out surface modification on the MOF-Ni3 (HITP) 2 loaded carbon black by adopting a spraying agent to obtain the carbon black-based composite conductive agent for the automobile lithium battery. The carbon black-based composite conductive agent is obtained. The spraying agent is prepared from water, polyvinyl alcohol, waterborne polyurethane, behenamidopropyl dimethylamine and fatty alcohol-polyoxyethylene ether. The carbon black-based composite conductive agent prepared by the invention can greatly improve the dispersibility of the conductive agent, improve the conductivity and the conductive stability in long-term use, has very good high-rate charge-discharge efficiency, and improves the rate capability of a lithium iron phosphate battery.

The invention relates to the technical field of metallurgy, in particular to a production method for reducing casting blank cracks, which comprises the following procedures: (1) pre-desulfurizing molten iron; (2) smelting in a converter; (3) LF refining; (4) RH refining; (5) slab continuous casting; and (6) hot charging and rolling. By optimizing the chemical components and the mass percentage of the continuous casting billet and regulating and controlling the technological parameters of multiple procedures such as converter smelting, LF refining, RH refining, slab continuous casting and hot charging rolling, the austenite grain size in the microstructure of the surface layer of the continuous casting billet is refined, the high-temperature plasticity of the continuous casting billet is improved, and cracks on the surface of the continuous casting billet are reduced.

The invention discloses a car bottom type carbon roasting furnace, which belongs to the technical field of heat treatment furnaces, and comprises a furnace car and a fixed furnace body arranged above the furnace car, the top of the fixed furnace body is provided with a circulating fan, the left side of the circulating fan is provided with a spraying device, and the two sides of the circulating fan are provided with a plurality of combustion nozzles side by side. A smoke exhaust pipeline for exhausting smoke is arranged at the tail part of the fixed furnace body; a heat preservation and insulation module is further arranged in the fixed furnace body. A furnace door and a water-cooling door frame are arranged on the front portion of the fixed furnace body. According to the invention, a smoke combustion mode of saggar-exhaust pipe-storage tank-combustor is completely abandoned, and a mode of discharging smoke volatile matter to the incinerator for direct combustion is adopted, so that the comprehensive energy consumption is below 3.6 * 10 < 6 > kJ, and the energy consumption level of a domestic ring type roasting furnace is completely reached. Meanwhile, the gas leakage amount is extremely small, the temperature distribution in the furnace is uniform, the product homogeneity is good, and operation automation, temperature control precision, fuel utilization maximization and finished product high normalization are achieved.

The invention provides a carbon fiber reinforced silicon carbide ceramic and a preparation method thereof, and belongs to the technical field of silicon carbide ceramics. The preparation method comprises the following steps: preparing functional carbon fibers, preparing modified silicon carbide microspheres, preparing a mixture, forming and calcining. The preparation method of the modified silicon carbide microspheres comprises the following steps: putting silicon carbide into an ethanol solution, adding sodium dodecyl amino propionate, carrying out ball milling treatment, and after ball milling is finished, filtering out and drying to obtain ball-milled silicon carbide; placing ball-milled silicon carbide in dimethyl sulfoxide, uniformly stirring, adding modified sodium alginate and hydroxyethyl cellulose, heating to 70-74 DEG C, adding tetrabutylammonium bromide, carrying out heat preservation reaction for 10.0-11.5 hours, and after the reaction is finished, filtering, washing and drying to obtain modified silicon carbide microspheres; the prepared ceramic product is high in strength performance and toughness, low in thermal expansion coefficient and excellent in high-temperature oxidation resistance.

The invention relates to the technical field of construction, and discloses a hydraulic engineering construction concrete stirring construction device which comprises a bottom plate and a mixing barrel, a supporting plate is fixedly connected to the bottom of the bottom plate, a screening box is fixedly connected to the top of the supporting plate, and a screening box and a filter plate are slidably connected to the middle of the screening box; a vibration assembly is arranged at the top of the bottom plate and used for driving the filter plate to vibrate rapidly, a stirring assembly is arranged in the middle of the mixing barrel and used for stirring concrete, the vibration assembly comprises a supporting frame, and the supporting frame is fixedly connected to the top of the bottom plate. Through mutual cooperation of main structures such as a motor II, a disc, a sliding rod, a sliding block, a rubber hammer and a filter plate, the filter plate can be conveniently driven to vibrate, so that the filter plate quickly screens and filters mixed concrete, meanwhile, the concrete can be conveniently filtered under the action of the filter plate, and the labor intensity of operators is reduced.

The invention discloses a recycling device for extracting lithium from brine, and relates to the technical field of extracting lithium from brine, the recycling device comprises a heating tank, the heating tank is provided with a stirring assembly for stirring the brine in the heating tank, and the stirring assembly comprises airtight boxes arranged at the top of the heating tank at intervals; a plurality of gas conveying pipes communicating with the interior of the airtight box are arranged on the periphery of the airtight box, gas inlet one-way valves are fixedly installed on the inner walls of the ends, extending into the airtight box, of the gas conveying pipes, the other ends of the gas conveying pipes communicate with the interior of the heating tank, and stirring rods are rotatably installed on the bottom wall of the airtight box; the bottom end of the stirring rod penetrates through the top wall of the heating tank and then extends into the heating tank, and a plurality of air outlet holes are formed in the outer wall, extending into the heating tank, of the stirring rod. According to the device, brine liquid is driven by gas to move to form vortex and rotation, and the movement is beneficial to enhancing the liquidity and the mixing effect of the liquid and promoting uniform mixing of different components.

The invention relates to the field of building materials, and particularly discloses ultra-high-toughness marble-imitated ultra-high-performance concrete and a preparation method thereof. According to the prepared ultra-high-performance concrete with ultra-high toughness, marble-imitated material and white system, the metakaolin is used as a synergistic dispersion matrix, the nano-scale cellulose fibers are fully dispersed in the matrix, the performance advantages of the nano-scale cellulose fibers can be fully played through the method, the agglomeration problem of nano-scale cellulose is solved, and the super-high-performance concrete with the ultra-high toughness, marble-imitated material and white system is obtained. The homogeneity of the concrete is improved. The bridging effect of the nanoscale cellulose fibers is more effectively exerted, so that the breaking strength and the toughness of the ultra-high performance concrete are greatly improved. The used synergistic dispersion metakaolin is white, the color of the concrete is not influenced after the metakaolin is doped, the prepared concrete is highly similar to marble, and the surface of the concrete is free of pores and defects. The application can effectively supplement application deficiency of a white ultra-high performance concrete synergistic dispersion system.

The invention relates to the technical field of concrete, and discloses high-strength concrete and a preparation method thereof. The concrete comprises the following components: 800 to 850 parts of cement, 150 to 160 parts of glass beads, 100 to 120 parts of mineral powder, 80 to 100 parts of silica fume, 900 to 950 parts of fine aggregate, 8 to 10 parts of a water reducing agent, 10 to 15 parts of chitosan, 20 to 25 parts of acrylamide, 1 to 2 parts of an initiator, 5 to 6 parts of a coupling agent, 1 to 2 parts of a cross-linking agent, 1 to 2 parts of nano silver oxide, 200 to 210 parts of water and 50 to 60 parts of an acetic acid solution. Chitosan and acrylamide are copolymerized to obtain a polyhydroxy copolymer with a three-dimensional network structure, so that the strength of the concrete is improved; the nano silver oxide is loaded on the three-dimensional network copolymer, the nano silver oxide has excellent antibacterial performance, polyhydroxy on the copolymer structure has good oxidability and reducibility, and the antibacterial ability of the silver oxide is synergistically promoted. The concrete prepared by the preparation method disclosed by the invention keeps high strength while having excellent antibacterial ability.

The preparation method comprises the following steps: uniformly stirring steel slag and tailings according to a mass ratio of (2-3): (7-8) at a high speed, adding water, continuously stirring to obtain a turbid solution, slowly adding sodium silicate into the turbid solution under high-speed stirring to obtain a mixed solution, simultaneously dropwise adding a water reducing agent and a thickening agent into the mixed solution under stirring, and uniformly stirring to obtain a slurry; and finally, carrying out a slump test on the mixture, and determining the addition amount of silica gel or water according to a test result, so as to obtain the flow-state solidified soil based on the large-particle waste residues. According to the method, through the innovative material ratio and preparation process, the stirring and pumping performance of the large-particle material is improved, the segregation risk is reduced, the homogeneity and stability of the fluid-state solidified soil are improved, meanwhile, the production cost is reduced, batch consumption of a large amount of solid waste is achieved, and the problem that use of the large-particle material in traditional fluid-state solidified soil is limited is solved.

The invention provides a modified polypropylene material and application thereof in a corrugated pipe, and belongs to the technical field of polypropylene materials. The modified polypropylene material is prepared from the following components in parts by weight: 98 to 103 parts of polypropylene, 10.5 to 10.8 parts of a functional compound, 1.0 to 1.4 parts of an antioxidant, 1.3 to 1.6 parts of a mixing auxiliary agent and 0.5 to 1.0 part of dimethyl silicone oil, the preparation method of the functional compound comprises the steps of bamboo fiber modification, maleic anhydride modification, aluminum oxide epoxidation and compounding. The compounding comprises the following steps: adding epoxidized aluminum oxide into tetrahydrofuran, and uniformly stirring to obtain a mixed solution I; adding maleic anhydride modified bamboo fibers into tetrahydrofuran, and uniformly stirring to obtain a mixed solution II; the second mixed solution is slowly added into the first mixed solution, the adding rate is controlled to be 3.8-4.2 g / min, after adding is completed, triethylamine is added and stirred to be uniform, the temperature is increased to 80-84 DEG C, stirring reaction is conducted for 5.8-6.2 h, after reaction is completed, filtering, washing and drying are conducted, and a functional compound is prepared; the polypropylene material disclosed by the invention is good in impact resistance, high in mechanical strength and excellent in low-temperature resistance and corrosion resistance.

The invention relates to the field of building materials, and particularly discloses color UHPC with metakaolin-dye-water reducer synergistically dispersed and a preparation method thereof. 20%-50% by mass of metakaolin, the total mass of dye, 50%-100% by mass of water and 100% by mass of water reducing agent are put into a magnetic stirrer to be stirred for about 10 minutes, preliminary stirring is formed, and a mixed solution is formed; after stirring by a magnetic stirrer, taking out all mixed liquid, putting the mixed liquid into an ultrasonic dispersion instrument, and stirring at the power of 800W for 10-20 minutes. Through the method, the homogeneity of the dye in the color UHPC can be effectively improved, the dye agglomeration phenomenon is reduced, the coloring rate is high, and the fluidity of the UHPC under the same condition can be improved. The UHPC processed by the method does not fade, does not stick to hands, and has no bubbles and defects on the surface.

The present invention provides a device and method for removing hardness from industrial wastewater, and relates to the technical field of removing hardness from industrial wastewater, comprising a tank body, the inner surface of the tank body is rotatably connected to a first rotating rod through a bearing, the surface of the first rotating rod is rotatably connected to a bent rod through a bearing, the surface of the bent rod is fixedly connected to a rocking plate, the surface of the rocking plate is rotatably connected to a positioning rod through a universal joint bearing, the surface of the positioning rod is slidably connected to a lifting frame, the upper surface of the bent rod is fixedly connected to a screw rod, the surface of the screw rod is threadedly connected to a threaded barrel, the lifting frame is fixedly connected to the threaded barrel, the present invention drives the rotating frame to rotate through a first gear ring, the rotating frame drives the stirring blade to rotate through a rotating rod, at this time, the internal wastewater can be stirred, and the stirring can promote sufficient contact between the industrial wastewater and the reagent, thereby accelerating the reaction rate and improving the overall treatment efficiency.

The utility model relates to the technical field of food processing, and discloses a homogenizing and mixing device for food processing, which comprises a homogenizing and mixing cylinder, the upper end of the inner wall of the homogenizing and mixing cylinder is in threaded connection with a homogenizing and mixing mechanism, the top of the homogenizing and mixing mechanism is fixedly provided with a mounting cover, and the homogenizing and mixing mechanism comprises a servo motor. The top of the servo motor is fixedly connected with the top of the inner wall of the mounting cover, a driving assembly is fixedly mounted at the output end of the servo motor, and the homogenizing and stirring mechanism is arranged and can drive stirring blades and a homogenizing device to rotate at the same time through the single servo motor; therefore, the powdery raw materials in the homogenizing and powder stirring cylinder are homogenized and stirred, the equipment cost of the whole device is reduced, the equipment mounting space is reduced, the single homogenizing and stirring amount of the powdery raw materials is increased, and the stirring efficiency of the whole device is improved.

The utility model provides a photocatalyst preparation device, which relates to the technical field of photocatalyst production, and comprises a tank body, a liquid delivery pipe, a feed pipe and a liquid outlet pipe, the top end of the tank body is connected with the liquid delivery pipe and the feed pipe, the top end of the feed pipe is hinged with an end cover, the bottom end of the tank body is communicated with the liquid outlet pipe, and the liquid outlet pipe is connected with the liquid delivery pipe. A stirring mechanism is arranged in the tank body; the stirring shaft can be driven by the motor to rotate in the tank body, the stirring shaft stirs base liquid and crystal powder in the tank body to be mixed through the stirring blades on the outer side of the stirring shaft, and the stirring shaft drives the arc-shaped plate to rotate in the tank body through the support rod. The mixing effect of base liquid and crystal powder in the tank body is better by stirring the base liquid and the crystal powder up and down, the motor drives the homogenizing shaft to rotate in the tank body through the driving gear and the driven gear, and the base liquid is fully scattered into small liquid drops, so that the base liquid is helped to fully wrap the crystal powder to form a photocatalyst solution.

The present invention relates to the technical field of sealing packing rings, and in particular to a production device and method for sealing packing rings, comprising: a lower mold, comprising an outer mold cavity, the top of the outer mold cavity is set as an opening, and a center pile is fixedly installed at the inner center, the annular space enclosed by the outer mold cavity and the center pile is used to provide a molding space for hot pressing of the packing ring, the outer upper part of the center pile is provided with an annular step, and a feed channel obliquely penetrated to the top thereof is provided at the step; an upper mold is inserted in the inner upper part of the lower mold. The present invention effectively and conveniently controls the feeding process, and can also provide effective guarantee for the discharge of internal air in the actual production process of sealing packing rings, and also ensures the flatness of the top surface of the finished product, so that the finished product achieves the purpose of internal homogeneity and the effect of surface flatness, avoiding the disadvantage that the finished product still needs to be trimmed due to conventional operations, improving the quality, and saving processes.

A high-strength refractory material and its preparation method and application, belonging to the technical field of refractory materials, the raw materials of the refractory material include fused corundum, high-alumina bauxite clinker, metal silicon powder, anti-cracking agent, titanium aluminum carbide and titanium carbide, etc., wherein the anti-cracking agent is prepared by modifying boron phenolic resin, mesophase asphalt, artificial graphite powder and silicon carbide fiber. The refractory material of the present invention adopts metal silicon powder to improve wear resistance and oxidation resistance, titanium aluminum carbide to improve oxidation resistance, titanium carbide to improve strength, and anti-cracking agent after surface modification and film formation to greatly improve thermal shock resistance and reduce thermal expansion rate and slag erosion rate. In addition, adding titanium aluminum carbide can improve strength and thermal shock resistance to a certain extent, has good oxidation resistance, and improves erosion resistance. The refractory material can be used for high carbon steel and low carbon steel, and is particularly suitable for casting high oxygen steel, calcium treated steel and high manganese steel.

This invention discloses a concrete mix design and manufacturing method for underground engineering concrete in a coupled environment of underground environment and load, relating to the field of underground engineering concrete technology. It aims to address the problem that traditional concrete mix design does not fully consider the coupling effect of underground environment and load. The underground environment includes groundwater erosion, wet-dry cycle, and temperature fluctuation; the load includes stress ratio. α s Dynamic load frequency and dynamic load amplitude α d This leads to technical problems such as insufficient erosion resistance, crack resistance, and mechanical stability of concrete, resulting in a short service life. This mix design is based on quantitative analysis of coupled environmental parameters. With cement, composite admixtures, recycled aggregates, modifiers, water, and additives as core components, the basic mix proportion is determined through a mapping model between "environment-load" coupled parameters and component content. The target mix proportion is then obtained through orthogonal experimental optimization. The manufacturing method includes four core steps: raw material pretreatment, graded mixing, gradient curing, and coupled environmental simulation curing.

The invention relates to the technical field of preparation of concrete additives, in particular to a high polymer material for reducing springback of tunnel sprayed concrete and a preparation method of the high polymer material. The high polymer material for reducing the springback of the tunnel sprayed concrete is halloysite nanotube modified fiber, and the halloysite nanotube modified fiber is prepared from the following raw materials: cellulose, a basic catalyst, a surface modifier, halloysite nanotubes and a solvent, the surface modifier comprises a waterborne polyurethane emulsion, and polyurethane latex in the waterborne polyurethane emulsion is terminated by hydroxyethyl acrylate; the halloysite nanotube is subjected to surface amino acid treatment or amino silane treatment. According to the invention, the overall adhesion capacity of the concrete can be improved, the rebound loss of the concrete in the wet spraying process is reduced, the generation of a hydration heat peak value can be delayed, the homogeneity of the concrete is improved, early plastic cracks and shrinkage cracks are effectively inhibited, and the improvement of the quality and safety of a tunnel structure is facilitated.

The invention provides a preparation method of isostatic pressing graphite with a superfine structure, belongs to the technical field of preparation of isostatic pressing graphite, and aims to solve the technical problem that the product reliability is influenced due to low dispersion efficiency and easy agglomeration of graphene in the existing one-step mixing. The method comprises the following steps: step S1, aggregate preparation; s2, gradient mixing: adding graphene accounting for 1-3% of the total weight of the basic aggregate into the basic aggregate, mixing by adopting a gradient mixing method, premixing the basic aggregate accounting for 40-60% of the total weight with all graphene to prepare a master batch, and finally mixing the master batch with the residual basic aggregate to obtain a composite reinforced aggregate; step S3, mixing and kneading; step S4, powder pressing; step S5, isostatic pressing molding; step S6, roasting; and step S7, graphitizing. According to the preparation method, a gradient mixing method is adopted, so that the enhancement effect of the graphene can be fully exerted, and the problems that the graphene is easy to agglomerate and is difficult to uniformly disperse in the micron powder are effectively solved through a step-by-step dilution mechanism.

The utility model provides an ice protein homogenizing system which comprises a shell with an outlet and a cover plate hinged on the shell, a double-layer homogenizing cylinder is rotationally connected in the shell, and a plurality of homogenizing holes are respectively formed in the side wall of the double-layer homogenizing cylinder; an inlet leading to the middle of the double-layer homogenizing cylinder is formed in the cover plate; one of the shell and the cover plate is provided with a driving mechanism for driving the double-layer homogenizing cylinder to rotate. According to the utility model, the rotating double-layer homogenizing cylinder is arranged in the shell, protein to be homogenized is introduced into the inner-layer homogenizing cylinder, and in the rotating process of the double-layer homogenizing cylinder, the protein sequentially passes through the homogenizing holes in the double-layer homogenizing cylinder by virtue of centrifugal force, so that the effects of cutting up ice residues in the protein and homogenizing are achieved; according to the utility model, the homogenizing cylinder is arranged in the shell, so that homogenized protein directly enters the shell through the homogenizing holes and is convenient to collect.

The application discloses a kind of based on graph structure enhancement's graph neural network method, belong to graph data analysis and graph representation learning technical field, specific steps are as follows: collect original graph structure data, and mark;Graph structure data is encoded by encoder, and preliminary node representation is obtained, preliminary node representation is reduced dimension by graph neural network, and low-dimensional node representation is obtained;And generate enhanced graph adjacency matrix;Repeat step S2 and step S3 until high homogeneity graph adjacency matrix is obtained;High homogeneity graph adjacency matrix, original graph adjacency matrix and low-dimensional node representation are input to encoder to carry out node classification task.The above-mentioned one based on graph structure enhancement's graph neural network method, low homogeneity graph is converted into high homogeneity graph, so that graph data is better adapted to existing graph neural network, improves the node classification performance in low homogeneity graph data, so that node classification task can be better carried out.

The utility model discloses multifunctional stirring equipment, belongs to the technical field of material mixing devices, and provides the multifunctional stirring equipment with a better uniform mixing effect, the multifunctional stirring equipment comprises a tank body, a stirring assembly is arranged in the tank body, the stirring assembly comprises a gear motor fixedly connected to the top surface of the tank body, and the output end of the gear motor is connected with a transmission shaft; a first liquid stirring plate and a second liquid stirring plate are fixedly connected to the part, extending into the tank body, of the transmission shaft, transverse through grooves which are densely distributed are formed in the first liquid stirring plate, longitudinal through grooves which are densely distributed are formed in the second liquid stirring plate, and a longitudinally-extending homogenizing plate is fixedly connected to the inner wall of the tank body. According to the stirring equipment, the through groove structures with crossed different surfaces are arranged on the adjacent liquid stirring plates and are matched with the blocking effect provided by the homogenizing plate located on the inner wall of the tank body, materials can be extruded when passing through the through grooves and the through holes of the homogenizing plate, and agglomerates in the materials are cut and refined, so that the stirring equipment has a good uniform mixing function, and the stirring efficiency is improved. And the obtained mixture is higher in homogeneity.

The present invention relates to an evaluation method, system and electronic equipment for the anti-penetration performance of cement-based materials, and belongs to the field of computational materials science and technology. The method comprises: performing ultrasonic detection on a plurality of cement-based materials, respectively obtaining the propagation speed of ultrasonic waves in different cement-based materials; detecting the normalized penetration depth and the opening diameter of cement-based materials; establishing a correlation equation between the ultrasonic propagation speed and the normalized penetration depth / opening diameter; substituting the ultrasonic propagation speed of the cement-based material to be evaluated into the correlation equation, and calculating its normalized penetration depth and opening diameter. The characterization system established by the present invention can accurately evaluate the anti-penetration performance of cement-based materials with different material compositions and different compressive strengths. Compared with traditional penetration experiments, the detection method can quickly and accurately evaluate the anti-penetration performance of cement-based materials of unknown components, and since it basically does not damage the test blocks, it can also greatly improve the accuracy and repeatability of the test.

The utility model provides a water phase homogenizing tank for honey mustard sauce production, which relates to the technical field of water phase homogenizing tanks and comprises a tank body and a shaft rod, a hollow interlayer is arranged on the inner wall of the tank body, an electric heating device capable of heating the inside of the tank body is arranged in the hollow interlayer, an auxiliary device is arranged at the top end of the tank body, and the shaft rod is arranged on the shaft rod. The auxiliary device comprises a half gear and a horizontal gear, the horizontal gear is fixed at the top end of the tank body through a rotating shaft, the shaft rod can drive the pressure plate to move up and down in the tank body when rotating by means of meshing of the half gear and the horizontal gear, pressure is applied to the interior of the tank body through the pressure plate, and the pressure plate is driven to move up and down. According to the water-phase homogenizing tank, the flowing state of fluid in the tank body is changed, so that the relative movement between liquid layers is more violent, the turbulence degree is enhanced, the dissolving process is accelerated, layering of materials in the stirring process is avoided as much as possible, and the effect and efficiency of the water-phase homogenizing tank during material treatment are greatly improved.

The invention discloses special high-pumpability concrete for high-rise buildings and a preparation method of the special high-pumpability concrete, and belongs to the technical field of building materials. The special high-pumpability concrete for the high-rise building is prepared from the following raw materials: cement, fly ash, river sand, broken stone, silica fume, water, an additive, a thickening and water-retaining agent, an air entraining agent and a retarder. According to the invention, by compounding the thickening water-retaining agent and the air entraining agent and scientifically proportioning the sand ratio, the mortar-to-bone ratio and other components, the concrete fluidity is large, the pumping resistance is reduced, the segregation and water seepage phenomena during high-rise concrete pumping are avoided at the same time, and the concrete pumping agent is suitable for smooth pumping of high-rise building concrete; in addition, when the concrete is in a standing state, the wrapping performance is high, aggregate distribution is uniform, it is guaranteed that the concrete has high homogeneity in the pumping process, the pump blocking risk is reduced, and meanwhile the concrete strength meets the concrete strength requirement of high-rise buildings.