26results about How to "Guaranteed homogeneity" patented technology

The invention discloses a method for realizing re-identification of a clothes changing person based on interference factor isolation, and relates to the technical field of intelligent image processing, and the method comprises the steps: obtaining a to-be-queried image and an image library image set; inputting a to-be-queried image into the trained clothes changing model to obtain a to-be-queried feature vector, and inputting the image library image set into the trained clothes changing model to obtain a screening result feature vector set; respectively calculating the distance between the to-be-queried feature vector and each screening result feature vector in the screening result feature vector set to obtain a plurality of distance sets; determining a minimum value in the plurality of distance sets, and determining a screening result feature vector corresponding to the minimum value; determining an image library image set image corresponding to the to-be-queried image according to the screening result feature vector; the extracted features can neglect the difference between the clothes and the camera, so that whether the two images belong to the same pedestrian or not is effectively distinguished.

The invention discloses a medium and low temperature organic sulfur hydrolytic agent applied to coal gas dry purification and a preparation method thereof, and relates to the technical field of coal gas purification and industrial catalysis, the hydrolytic agent comprises the following components: gamma-Al203, pseudo-boehmite, a pore forming agent, an active agent, an auxiliary agent, an adhesive and water. According to the medium-low temperature organic sulfur hydrolytic agent applied to dry purification of coal gas and the preparation method thereof, an alkali metal element is adopted as an active agent, and the characteristic that the alkali metal element can provide a large number of alkaline reaction sites is utilized, so that organic sulfur molecules are promoted to be preferentially adsorbed with the hydrolytic agent to generate hydrolysis reaction; meanwhile, sodium metavanadate is added as an active auxiliary agent, so that the low-temperature activity of the hydrolysis catalyst is further optimized.

The invention provides a 3D concrete pouring device and method for a fabricated member, relates to the field of concrete member processing, and aims to solve the problems of low construction efficiency and poor member quality during prefabrication of the concrete member at present, through continuous rolling of a stirring device of a conveying system, the uniformity of concrete can be kept, and material layering is prevented; it is ensured that the concrete still has good working performance when being conveyed to a pouring system; meanwhile, a three-axis movement assembly is arranged to control an output port in the tail end of the corrugated pipe to move in different directions, the function of automatic pouring can be achieved, and in the aspect of concrete compaction, the form of an integrated vibrating table is adopted. And through the vibration effect of the vibrating table, bubbles in the concrete rapidly float upwards and are discharged, and gaps in the concrete are reduced. The concrete is denser under the exhaust action, so that the compressive strength and durability of the concrete are improved.

The invention provides a preparation method of a boron nitride setter plate, and belongs to the technical field of boron nitride setter plates. The preparation method comprises the steps of material mixing, cold isostatic pressing forming and vacuum sintering. The material mixing step comprises the following steps: putting hexagonal boron nitride powder with the particle size of 100-200nm, hexagonal boron nitride powder with the particle size of 1.0-3.0 mu m, hexagonal boron nitride powder with the particle size of 4.0-10.0 mu m, ammonium bicarbonate, phenolic resin and sodium tripolyphosphate into a ball-milling device, adding absolute ethyl alcohol for ball-milling treatment, then adding a secondary compound for continuous ball-milling for 23-28min, and after ball-milling is finished, cooling to room temperature to obtain the boron nitride composite material with the particle size of 100-200nm, the particle size of 1.0-3.0 mu m, the particle size of 4.0-10.0 mu m and the particle size of 1.0-3.0 mu m and the particle size of 4.0-10.0 mu m. Drying at 87-92 DEG C to obtain dry powder; the boron nitride setter plate prepared by adopting the method disclosed by the invention is high in mechanical strength and strong in toughness, and can still keep relatively high mechanical strength after repeated cold and heat cycles.

The invention belongs to the technical field of concrete, and particularly relates to high-specific-gravity self-compacting concrete and a preparation method thereof. The high-specific-gravity self-compacting concrete is prepared from the following raw materials in parts by mass: 560 to 671 parts of natural coarse aggregate, 725 to 906 parts of iron ore, 300 parts of natural fine aggregate, 446 parts of steel slag sand, 383 parts of cement, 0 to 54 parts of steel slag powder, 107 parts of fly ash, 2.6 to 13.6 parts of water reducing agent and 150 to 182 parts of water. The performance of the concrete is greatly improved by improving the microcosmic performance of the concrete and grading of all the components, and the purposes of reducing the use amount of cement, reducing shrinkage and creep of the concrete, reducing CO2 emission, saving energy, protecting the environment and achieving green construction are achieved while high specific gravity, self-compaction and high strength of the concrete are achieved.

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.

The utility model discloses an atomization device and aerosol generating equipment, and the atomization device comprises a liquid mixing cavity which is used for accommodating an aerosol matrix; the loading area is used for arranging a plurality of liquid storage devices for storing liquid materials, and the liquid materials are aerosol matrixes or components of the aerosol matrixes; the liquid pumping assembly is arranged to pump the liquid material in the at least one liquid storage device into the liquid mixing cavity; the atomization assembly is arranged in the liquid mixing cavity and used for heating the aerosol matrix entering the atomization assembly from the liquid mixing cavity so as to generate aerosol. According to the atomization device provided by the invention, the plurality of liquid storage devices in which different liquid materials are stored can be loaded at the same time, so that the liquid materials with different tastes or functions can be pumped into the liquid mixing cavity without replacing the liquid storage devices, and the operation is simplified.

The invention discloses a viscosity modified material for keeping the homogeneity of self-compacting concrete, a preparation method and application. The material comprises the following components in parts by mass: fly ash, slag powder, metakaolin, cellulose ether, limestone powder, zeolite powder, an air entraining agent, a functional component A and a functional component B, wherein the functional component A is prepared by compounding and drying nano silica fume, modified carbon nanotubes subjected to ultrasonic dispersion by sodium dodecyl benzene sulfonate / absolute ethyl alcohol and tungsten disulfide subjected to activation-silanization-polycarboxylic acid modification treatment, and the functional component B is prepared by shearing and uniformly mixing magnesium oxide and a calcium expanding agent at a high speed. The material can improve the viscosity, delay segregation and bleeding and reduce the water use sensitivity under the condition that the yield stress is not obviously improved, meanwhile, the early strength development is promoted, the volume stability is improved, and the durability such as chloride ion permeation resistance is improved, so that the homogeneity and quality consistency of a component in the pouring process and after hardening are guaranteed.

The invention relates to a stable emulsion type nutritious food and a preparation method thereof, and belongs to the technical field of medical food for special diets, and every 100mL of the stable emulsion type nutritious food contains specific contents of protein peptides, fat, carbohydrates, various vitamins, nicotinamide, folic acid and various mineral compounds. The adhesive is prepared from Arabic gum and high-acyl gellan gum in a specific proportion. Protein peptide is prepared through step-by-step enzymolysis of nattokinase and fig protease, the ratio of Arabic gum to high-acyl gellan gum is adjusted, and the product is obtained through a special preparation method. The problem of solution instability caused by fat floating, precipitation and the like due to high-temperature and high-pressure sterilization and long-term storage when the peptide solution and fat as well as the peptide solution and mineral ions coexist is effectively solved, and the emulsion type formula food for special medical purposes, which has good fluidity, uniform appearance, thermal stability and storage stability, can be obtained.

The invention relates to the technical field of aluminum alloy semi-solid processing, and provides a semi-solid slurry flow guide device for aluminum alloy, which comprises a shell, the bottom of the shell is fixedly connected with a rack, one end of the shell is fixedly connected with a feeding pipe, the other end of the shell is fixedly connected with a discharging pipe, and a material shifting mechanism is arranged at one end, close to the feeding pipe, of the inner side of the shell. The material stirring mechanism comprises two rotating plates which are arranged in parallel, a plurality of material stirring plates are fixedly connected between the two rotating plates, a plurality of electric heating pipes are arranged between every two adjacent material stirring plates, a first support is fixedly connected to the outer side of the rack, and a first motor is fixedly installed at the top of the first support; a flow guide mechanism is rotationally connected to the middle of the inner side of the shell, a filter screen is fixedly connected to the end, close to the discharging pipe, of the inner side of the shell, a stirring mechanism is arranged on one side of the filter screen, and a cleaning mechanism is arranged on the other side of the filter screen. Through the innovative mechanism design, the key problem in the aluminum alloy semi-solid slurry diversion process is solved.

The invention discloses a low-carbon concrete nano C-A-S-H seed crystal enhancer as well as a preparation method and application thereof. The reinforcing agent comprises the following raw materials in parts by weight: 150-200 parts of water, 20-25 parts of sodium silicate nonahydrate, 15-20 parts of calcium nitrate tetrahydrate, 5-8 parts of aluminum nitrate nonahydrate, 1-4 parts of a polycarboxylate superplasticizer, 1-4 parts of sodium hydroxide, 0.5-2 parts of a silane coupling agent and 0.5-2 parts of a sodium polyacrylate dispersing agent. The preparation method comprises the steps of dissolution, precipitation reaction, dispersion modification and pH adjustment. According to the invention, by optimizing the molar ratio of silicon to aluminum and constructing a composite dispersion system, the technical problems of easy agglomeration, poor stability and poor compatibility with a water reducing agent of the nano seed crystal are solved. When 0.5-2% of the additive is applied to concrete, the early strength can be remarkably improved, the workability maintenance can be improved, the activity of solid wastes such as fly ash and the like can be effectively excited, and a key technical support is provided for preparing high-performance low-carbon concrete.

The invention discloses a circulating stirring tank for disinfectant preparation, relates to the technical field of disinfectant processing, and solves the problems that an existing disinfectant stirring tank is difficult to realize efficient, accurate and quantitative blanking, and meanwhile, when powdery materials are conveyed, the more fine the powdery materials are, the more easily blocked materials are. The circulating stirring tank comprises a tank body, a first stirring assembly, a second stirring assembly, a driving assembly and a proportioning mechanism, according to the device, the same or different materials can be quantitatively conveyed through the six arranged proportioning mechanisms, then the materials are uniformly conveyed into the tank body, the materials are preliminarily and uniformly stirred through the first stirring assembly in the tank body, and then secondary fine stirring is conducted through the second stirring assembly in the second circular cavity; and the whole structure is composed of a mechanical structure, so that electric power resources are saved, and the possibility of errors of the whole matching structure is lower.

The invention discloses a formula of an eosin staining solution, and every 1000 ml of the eosin staining solution comprises the following components: 5-8 g of eosin which is any one of water-soluble eosin Y or alcohol-soluble eosin Y; 2.5 to 3.5 g of potassium dichromate; 5-25 g of picric acid; 5 to 60 ml of absolute ethyl alcohol; the balance is water, and the water is any one of deionized water or distilled water. According to the eosin staining solution formula disclosed by the invention, the absolute ethyl alcohol not only can promote good dissolution of all the components and effectively ensure a good uniform mixing effect among all the components, but also can be used as a dehydrating agent and can play a role in dehydrating and fixing cells, so that a cell environment in tissues is similar to the tissues, cell coloring in the tissues is facilitated, and the quality of the cells in the tissues is improved. The dyeing liquid has a certain level dyeing effect, is clear in coloring, avoids overdyeing, uneven dyeing and other conditions, utilizes the synergistic effect of potassium dichromate and picric acid, promotes the dissolution of each component, ensures the stability of the dyeing liquid, is simpler to prepare, is not easy to fade, and has a longer period of validity.

This invention relates to the field of lightning arrester manufacturing technology, specifically to a mold needle for anti-discharge electrode coating, a mold, a mold manufacturing method, and a lightning arrester production method. The mold needle includes a needle rod for forming a discharge gap during lightning arrester production; symmetrical flexible abutment surfaces are provided on both sides of one end of the needle rod. Each flexible abutment surface includes a mounting surface located on the side of the needle rod end and a flexible pad fixed to the mounting surface; the flexible pad includes a concave spherical abutment portion and an extension portion located above the spherical abutment portion; the extension portion is higher than the horizontal plane where the center of the spherical discharge electrode is located; when multiple needle rods are spaced apart, the flexible abutment surfaces on opposite sides of adjacent needle rods are adapted to abut against the spherical surfaces on both sides of the same spherical discharge electrode. By flexibly sealing the spherical surface of the spherical discharge electrode with the flexible abutment surface, the hard contact of the existing mold needle is replaced with a flexible sealing abutment, which solves the problem of silicone rubber coating on the spherical discharge electrode during the vulcanization and composite jacketing of existing mold needles.

The invention discloses a positive electrode material sagger and a manufacturing method based on a spray granulation technology, and belongs to the technical field of lithium battery sagger manufacturing. Firstly, potassium aluminum silicate, mullite, cordierite and aluminum titanate are subjected to dry mixing, and an organic binder and water are added to prepare a material A; then performing dry mixing on cordierite, talc, zirconium dioxide, kaolin and aluminum oxide, and adding an inorganic binder and water to prepare a material B; mixing the material A, the material B and water to obtain mixed slurry; carrying out spray drying granulation on the mixed slurry; carrying out dry pressing molding on the particle material to prepare a sagger green body; and sintering the sagger green body at high temperature to obtain the positive electrode material sagger. In the manufacturing process, abrasion to a mold is small, and the manufactured saggar is good in mechanical performance, low in porosity and long in cycle service life.

The utility model relates to the technical field of medical instruments, and discloses an auxiliary device for minimally invasive hallux valgus osteotomy, which comprises a guide part, a protective rod, a fixed seat and a holding rod, a guide groove is formed in the guide piece, and the guide groove is suitable for the saw blade to penetrate through and limits the saw blade to move in the osteotomy plane; one end of the guard bar is connected with the guide piece, and the other end of the guard bar is provided with a spine; the fixing seat is perpendicular to the osteotomy plane and is connected with the guide piece, and a through hole is formed in the fixing seat; and one end of the holding rod is connected with the guide piece. According to the utility model, medical personnel can be prevented from cutting bones under perspective for a long time, the exposure time of the medical personnel under radioactive rays is reduced, and the smooth section of an operation is ensured.

The invention relates to the field of separation of calcium ions in nickel-cobalt leachate, and provides high-efficiency calcium removal equipment for nickel-cobalt high-calcium leachate, which comprises a base, the main body shell is vertically arranged on the upper portion of the base, and the upper end and the lower end of the main body shell are open. The machine cover is mounted on the main body shell, and an upper end opening of the main body shell is sealed in the machine cover; the shunting falling film mechanism is arranged on the machine cover; and the frame is fixedly arranged in the main body shell. Water cooling and air cooling technologies are fused, efficient synchronous cooling of the leachate is achieved, the calcium crystallization process is shortened, large-tank-storage precipitation crystallization equipment does not need to be depended on, the process supports online operation, the leachate calcium reduction cost is greatly reduced, the precipitator filtering step is omitted, the secondary pollution risk is effectively avoided, and the method is suitable for large-scale industrial production. And dual optimization of environmental protection and economical efficiency is achieved.

The utility model provides a pre-mixed mortar storage device, which relates to the technical field of mortar, and comprises a base assembly and a mixing processing mechanism, the top side of the base assembly is provided with a feeding and discharging bearing part assembled by bolts, the inner side of the upper part of the feeding and discharging bearing part is provided with the mixing processing mechanism sleeved by the bolts, and the mixing processing mechanism is provided with a feeding and discharging port. The mixing treatment mechanism comprises an assembly plate; according to the utility model, after the output end of the first gear set is used for outputting power to carry out telescopic operation, the contact ends of the first gear set and the second gear set are in meshed contact, and after meshed contact, under the operation of the output power of the driving motor, the telescopic operation is realized; a meshing gear set, a first gear set, a second gear set, a rotating rod and a homogenizing stirring rod can jointly operate to slowly stir a mixed and formed product, through continuous mixing, the homogenizing effect of mortar can be guaranteed during discharging, the quality of the product can be guaranteed, and the production efficiency is improved. And the energy consumption can be effectively reduced.

The utility model belongs to the technical field of tobacco production auxiliary equipment, and particularly relates to a tobacco feed liquid stirring device. The stirring motor is arranged on the upper surface of the top of the feeding tank, a driving gear is installed on an output shaft of the stirring motor, the upper end of the stirring rod extends out of the top of the feeding tank and is provided with a driven gear, the driving gear is meshed with the driven gear, and the lower end of the stirring rod is located in the feeding tank and connected with the ultrasonic assembly. A connecting rod is connected to the lower end of the ultrasonic assembly, a paddle stirrer is installed at the lower end of the connecting rod, and a gravity sensor is arranged at the bottom of the feeding tank and is in electric signal connection with the PLC. According to the technical scheme, foams on the upper layer of feed liquid are eliminated in time in the earlier stage of production, and the problem that feeding precision and feeding uniformity are reduced due to the fact that foams enter a feeding pipeline is solved. And uniform and stable feed liquid is applied in the feeding process, so that the process quality and the homogenization and homogenization of cigarette products are ensured.

This invention belongs to the field of concrete pavement paving technology, specifically referring to a paving device for cement concrete pavement in highway construction. It includes a paving machine, a material distribution box fixedly connected to one side of the paving machine, side material distribution rollers rotatably connected to the inner walls of both sides of the material distribution box, and swing blades movably connected in a circular array on the side material distribution rollers. Main material distribution rollers are fixedly connected coaxially to the side material distribution rollers on both sides. A turning guide rail is fixedly connected in a linear array to the inner wall of the material distribution box. This invention breaks up internal lumps in the concrete while simultaneously shoveling and scattering the bottom layer of concrete. It also drives the swing blades to rotate and push materials. When encountering unbroken lumps or large stones, impurities are discharged, preventing them from mixing into the paving layer and causing defects such as hollow areas and cracks in the pavement. The side material distribution rollers rotate synchronously with the rotating disc, achieving reciprocating compaction of the concrete pavement edges. After compaction and resetting, the upper concrete is extracted to fill the edge gaps.

This invention relates to the field of bitter orange (Citrus aurantium) fermentation management technology, and particularly to a bitter orange fermentation quality detection system and method based on colony characteristic analysis. This invention combines the shape characteristic data and colony distribution data of bitter orange to analyze the distribution characteristics of colonies during the fermentation process; thereby analyzing abnormal colony distribution at the folds of the bitter orange; combining the origin information data and colony distribution data of the bitter orange, it analyzes the impact of microbial community differences on the fermentation process, and further analyzes the interference of the bitter orange's origin on the fermentation process; based on the analysis results of abnormal colony distribution at the folds of the bitter orange and the analysis results of the interference of the bitter orange's origin on the fermentation process, the fermentation quality of the current batch of bitter orange is evaluated; this achieves precise screening of bitter orange, ensures the homogeneity and stability of the fermentation process, and reduces the risk of fermentation process runaway.

This invention discloses a pipeline conveying device for foamed concrete, relating to the field of concrete conveying. It includes a concrete conveying pump, a vibrating frame, a combined pipeline, and a pipeline placement rack. An inclined pipeline is installed on the vibrating frame, with its bottom end connected to a return pipeline. The inlet of the concrete conveying pump is connected to a flange pipeline, which in turn is connected to the outlet pipeline of a concrete mixer via a first valve. The return pipeline includes a first pipeline, a second pipeline, and a valve. The two ends of the first pipeline are connected to the first port of the valve and the outlet of the concrete conveying pump, respectively. The two ends of the second pipeline are connected to the second port of the valve and a first flexible hose, respectively. The two ends of the first return pipeline are connected to the second pipeline and the flange pipeline, respectively. The two ends of the second return pipeline are connected to the first pipeline and the outlet pipeline, respectively. The two ends of the combined pipeline are connected to the high end of the inclined pipeline and the pipeline placement rack, effectively preventing the problem of reduced pipeline cross-sectional area caused by the accumulation of solidified layers.

The invention discloses cement doped with fly ash, which comprises the following raw materials: 60-80% of common clinker; 3%-7% of desulfurized gypsum; 5%-10% of fly ash; 2%-8% of limestone; 5%-15% of water granulated slag; 0.05%-0.2% of a grinding aid; the invention relates to a fly ash doping production process for cement. The process comprises the following steps: fly ash is discharged from a fly ash storage, is metered by a pneumatic flow control valve and a solid flow meter, and then enters an air conveying chute under the storage; conveying the fly ash to a return powder air conveying chute of the powder concentrator through a fly ash air conveying chute at the platform, mixing the fly ash with return powder, and grinding in a mill; fully mixing and grinding the mixture in a mill until the specified fineness is reached; and the ground cement is screened by a powder concentrator and then passes through a finished product dust collector, and the finished product cement is conveyed to a cement finished product storage cavern through an air conveying chute and an elevator. A closed steady flow bin feeding technology is adopted, so that the stable and uniform fly ash adding speed is ensured, and the production efficiency and the product quality are improved.

The invention discloses a pressure-sensitive adhesive for a PET protective film and a preparation method thereof, and belongs to the technical field of pressure-sensitive adhesives. The invention comprises the following raw materials in parts by weight: 15-25 parts of butyl acrylate, 18-26 parts of ethyl acrylate, 4-8 parts of acrylic acid, 5-15 parts of modified carbon nanotubes, 0.1-0.3 parts of initiator, 20-30 parts of solvent, and 0.05-0.1 parts of β-carboxyethyl acrylate. The obtained pressure-sensitive adhesive is an acrylic pressure-sensitive adhesive, which has good flexibility and is cross-linked into a mesh structure to improve the peel strength of the pressure-sensitive adhesive; wherein the modified carbon nanotubes have a reduced agglomeration phenomenon, and are grafted with organic molecular chains, which enhances the peel strength, antistatic property, flame retardancy and heat resistance of the pressure-sensitive adhesive, and the performance is long-term and stable. Therefore, the pressure-sensitive adhesive obtained by the invention has high peel strength, good antistatic property, stable and efficient flame retardancy and a certain degree of heat resistance, and has important application value in the technical field of pressure-sensitive adhesives.

The present invention relates to a simulation device for the influence of river ecological water replenishment on groundwater, comprising a sand box model, a river simulation module, a water inlet module and a water outlet confluence module. The sand box model is separated into a sand filling area, a first water tank area and a second water tank area by two permeable partitions. The first water tank area and the second water tank area are respectively located on both sides of the sand filling area. The sand filling area is filled with quartz sand. The river simulation module is inserted into the quartz sand at the top of the sand filling area. The position of the river simulation module adjacent to the first water tank area forms an infiltration area connected to the sand filling area. The position of the river simulation module adjacent to the second water tank area is provided with a water outlet; the water inlet module is respectively connected to the first water tank area and the infiltration area of ​​the river simulation module, and the water outlet confluence module is respectively connected to the bottom of the second water tank area and the water outlet of the river simulation module. The present invention is a simulation device for the influence of river ecological water replenishment on groundwater, which is mainly used for understanding the migration of river infiltration water flow in the unsaturated zone-saturated zone during the ecological water replenishment process.