20results about How to "Consistent distribution" patented technology

The invention relates to a watermarking method based on mutual information screening and IGWO optimization, and the method comprises the following steps: 1, carrying out the attribute screening through a mutual information method, obtaining an attribute set which is highly related to the classification accuracy, determining an unimportant attribute set, and forming a complete attribute set after the mutual information screening; step 2, based on the attribute set screened by the mutual information attributes in the step 1, carrying out watermark embedding operation for an unimportant attribute set to obtain a watermark data set containing a watermark; and step 3, based on the watermark data set generated in the step 2, watermark data are classified through a decision tree model, and the watermark embedding strength and position are optimized by applying an IGWO algorithm. The method can effectively solve the problem of traceability responsibility of matched power grid service data.

The invention relates to the field of microwave plasma processing equipment, in particular to microwave plasma chemical vapor deposition equipment. The microwave plasma chemical vapor deposition equipment comprises a furnace tube in which a plasma cavity is formed, and the formed plasma cavity comprises an upper short circuit plate, a side wall and a lower short circuit plate; a substrate cold water table group is arranged above the lower short circuit plate, and a wafer is placed at the upper end of the substrate cold water table group; an air disc is arranged on the outer side of the upper end of the wafer; according to the microwave plasma chemical vapor deposition equipment, the gas disc is arranged above the wafer placed in the plasma cavity, so that the consistency of the concentration and the uniform distribution of the raw material gas at the upper end of the wafer can be fully ensured, and the uniformity of the concentration and the thickness of a substance deposited in the later period is further ensured; and particularly, the concentration of the deposited substances at the edge of the wafer can be ensured to be consistent, so that the quality of the produced deposited substances is relatively high.

The invention provides a missing modal data processing method based on mutual information constraint and adversarial learning, and belongs to the technical field of artificial intelligence. The method comprises the following steps: firstly, collecting full-modal data and corresponding missing modal data; then preprocessing the collected full-modal data and the corresponding missing modal data to improve the quality of the full-modal data and the corresponding missing modal data; secondly, after the preprocessed full-modal data and the corresponding missing modal data are obtained, a missing modal processing model based on cross-modal mutual information and adversarial learning is constructed, and meanwhile, a loss function of the missing modal processing model is constructed to constrain the missing modal processing model; continuously training and optimizing the missing modal processing model to obtain a trained missing modal processing model; and finally, inputting the data with the missing modality facing an actual task into the trained missing modality processing model to obtain a segmentation graph.

The present application relates to the technical field of polymer material recycling, and particularly relates to a battery PP diaphragm recycling and reprocessing device and a preparation method, which comprises a shell, an extrusion screw rod is installed in the shell, and a power assembly is connected to the end of the extrusion screw rod; a feeding hopper is installed on the shell and is close to one side of the power assembly; an air inlet assembly is installed on the lower side of the shell and is communicated with the inside of the shell, and an air outlet hole is arranged on the upper side of the shell; a heating assembly is sleeved on the outside of the shell; a discharging assembly is installed on the end of the shell and is arranged opposite to the power assembly, and a filter screen assembly is installed in the discharging assembly; and a detection assembly is installed on the shell and is used for detecting the temperature and pressure of the material in the shell.

This invention provides an online sulfate monitor, relating to the field of monitoring device technology. It includes a processing tank with a stirring assembly on its outer wall. The stirring assembly includes a long rod, a single-sided gear fixedly mounted on the outer wall of the long rod, a rack meshing with the outer wall of the single-sided gear, and an L-shaped bent rod fixedly mounted on the outer wall of the rack. A first elastic element is sleeved on the outer wall of the L-shaped bent rod. This invention, by setting up the stirring assembly, achieves thorough mixing of the liquid to be monitored. A motor drives the long rod to rotate the stirring rod. The design of the stirring rod adapting to the inner wall of the processing tank ensures uniform mixing of the liquid, resulting in a consistent distribution of sulfate ions and avoiding monitoring deviations caused by uneven concentration. Simultaneously, during the stirring process, the impact plate reciprocates through the elastic element's reset mechanism, preventing liquid from adhering to the tank wall. The scraper, under the action of the elastic element, rotates tightly against the bottom of the tank, effectively removing bottom deposits and reducing contamination of the sample.

The application discloses a composite material fiber identification method fusing template matching and UNet network. In the method establishment stage, UNet network is trained by using a composite material micrograph and a manual mask image, and a multi-size template library is constructed by extracting fiber images with complete shape and clear boundary, and each template is marked with a circle center offset and a diameter. In the identification stage, an image to be identified is divided into a middle region and an edge region. The middle region adopts an optimized circular template matching method, candidate fibers are screened through normalized cross-correlation, non-maximum suppression and mutual exclusion checking, and the diameter is fine-tuned by combining edge detection and circle fitting, so that the accurate circle center and diameter of complete fiber are output. The edge region adopts the trained UNet network to generate a fiber contour binary image, and the position of incomplete fiber is extracted.

This invention relates to the field of aero-engine technology, disclosing a combustion assembly and an aero-engine. The invention includes: a flame tube; an evaporator tube comprising a main pipe and several branch pipes, one end of the main pipe forming an evaporator tube inlet, the branch pipes corresponding to the other end of the main pipe, and the ends of the branch pipes away from the main pipe forming several evaporator tube outlets, which are located within the flame tube; and a fuel supply structure connected to the evaporator tube inlet. This invention, by arranging the branched evaporator tubes in a blood vessel-like pattern on the flame tube, increases the probability of fuel breaking up upon impact with the wall under the action of the branched structure, resulting in better fuel atomization. Simultaneously, because the branched evaporator tubes have a larger contact area with the hot wall surface, they absorb more heat, thus allowing the fuel to be heated more fully, thereby evaporating more fuel and ultimately improving combustion efficiency.

The utility model relates to the technical field of plastic bottle production, and discloses a plastic bottle surface printing device which comprises a supporting seat, a vertical moving assembly is arranged on the supporting seat, a transverse moving assembly is arranged at the moving end of the vertical moving assembly, an ink scraping knife and an ink returning knife are arranged on one side of the supporting seat, and the ink scraping knife and the ink returning knife are arranged on the other side of the supporting seat. A transverse moving assembly is arranged on the supporting base, a printing plate located below the ink scraping blade and the ink returning blade is arranged at the moving end of the transverse moving assembly, a lifting platform is arranged on the supporting base, and a limiting assembly used for fixing a plastic bottle is arranged at the moving end of the lifting platform. The printing plate is pressed by the doctor blade, so that ink is uniformly extruded and printed on a plastic bottle, a highly accurate and consistent printing result is realized, the plastic bottle is driven to axially rotate while the printing plate moves linearly, printed patterns or characters are ensured to be distributed consistently on the whole bottle body, and the printing quality is improved.

This invention belongs to the field of surface modification technology for metallic materials, specifically relating to a method for generating a conversion film on the surface of aluminum alloys. The method includes the following steps: Sodium hypophosphite and boric acid are added to deionized water and heated and stirred to obtain solution A; copper salt and sodium citrate are first added to deionized water and heated and stirred to obtain a complexed copper solution; solution A and the complexed copper solution are mixed, then nickel salt is added, followed by deionized water, and the mixture is adjusted to alkalinity to obtain a conversion solution; a pretreated aluminum alloy sample is placed in the conversion solution and magnetically stirred to generate a uniform conversion film on the surface of the aluminum alloy sample. Under alkaline conditions, copper ions are not promptly reduced to elemental copper, but instead form monovalent copper ions, which then rapidly react with aluminate ions to generate a ceramic film Cu2Al4O7 under suitable temperature and alkaline conditions. This ceramic film, due to its high hardness and high melting point, significantly enhances the wear resistance of the aluminum alloy surface.

The invention relates to the technical field of ginseng planting, in particular to an artificial cultivation device for under-forest ginseng, which comprises a frame serving as a carrier of the whole device, rollers are arranged on the frame, a stock bin for storing ginseng seeds is fixedly connected to the frame, and a discharging mechanism for quantitatively conveying the seeds is arranged on the frame. A seeding mechanism for planting seeds is arranged on the frame, and a liquid conveying mechanism for injecting a nutrient solution is also mounted on the frame. According to the device, the discharging mechanism and the transmission belt are arranged for operation, guide holes with seeds are moved to the lower position, then the seeds fall into the storage sleeve through the guide holes in the limiting cover, the seeds in the guide holes can be sequentially guided into the storage sleeve, then quantitative material guiding can be achieved, the number of the seeds planted in each position is kept to be the same, and the device is convenient to use. The seeds are automatically placed through the mechanism, so that the quantification of the seeds is more accurate, and the accurate quantification of the seeds can help farmers to realize better crop management and maximized yield.

This utility model discloses a cold-side jacket structure and a paraxylene crystallizer. The cold-side jacket structure includes an annular tube, a delivery tube, an inlet tube, and an outlet tube. Two annular tubes are arranged vertically at intervals. Multiple delivery tubes are arranged between two annular tubes and along the circumference of the annular tubes, with each delivery tube connected to two annular tubes at both ends. The inlet tube is connected to the lower annular tube and has a first porous component inside. The outlet tube is connected to the upper annular tube and has a second porous component inside. The cold-side jacket structure provided by this application solves the problem of uneven distribution of refrigerant fluid during flow within multiple delivery tubes.

The utility model discloses a kind of stirring tank for traditional chinese medicine processing, including stirring tank main body, the top cover plate of stirring tank main body is fixedly installed with the stirring mechanism for stirring downwards, stirring mechanism includes the double-shaft assembly fixed in the top cover plate of stirring tank main body, the stirring assembly of double-shaft assembly's one side output end fixed connection is located in the stirring tank main body inside.The utility model cooperates by double-shaft assembly drive stirring assembly and scraping component collaborative operation, effectively solve the problem that traditional single stirring paddle is easy to produce stirring dead angle;Stirring assembly realizes active stirring to traditional chinese medicine material in tank body, can form multi-angle, dead-angle-free mixing movement to granular, powdery, viscous and different form materials, with the advantages of reducing material wall-hanging, mixing is sufficient.

The invention relates to the technical field of electrophoresis, and discloses an electrophoresis coating process of an aluminum fin heat exchanger, which comprises the following steps: step 1, pretreatment; step 2, surface neutralization; thirdly, electrophoretic coating is conducted; step 4, electrophoresis process; step 5, curing and drying; and step 6, quality inspection. According to the method, the aluminum surface is treated through dilute acid, namely sulfuric acid or hydrofluoric acid, the surface roughness of the aluminum surface is enhanced, coating particles are evenly deposited in an electric field, stripping caused by uneven coating is avoided, thermocuring is conducted at the high temperature of 150-200 DEG C, crosslinking among coating molecules is promoted, the strength and toughness of the coating are improved, and the service life of the coating is prolonged. The adhesive force between the coating and the aluminum fin is confirmed through a gridding test or a stripping test, it is ensured that the coating is within the design range, quality control is improved, the stability and durability of the coating are further ensured, and the beneficial effect that the coating arranged on the heat exchange fin in a complex shape cannot fall off and be stripped is achieved.

The invention discloses a preparation method of 2, 6-naphthalic acid glycol ester, which belongs to the technical field of organic chemical synthesis, and comprises the following steps: firstly, mixing 2, 6-naphthalic acid and ethylene glycol according to a molar ratio of 1: 2 to 1: 3; secondly, 0.1%-0.5% of a catalyst is added into the mixture, and 0.2% of butyl titanate is particularly used as the catalyst in the embodiment; then reacting the mixture at a temperature of 100 DEG C to 150 DEG C for 4 to 6 hours; finally, unreacted ethylene glycol and generated moisture are removed through vacuum distillation, a solid-phase extraction column is used for further purifying the product to improve the purity and yield of the product, the method is characterized in that MOFs is used for carrying out loading treatment on butyl titanate in the aspect of use and treatment of the catalyst, and in addition, by adding magnetic MOFs, the purity of the product is greatly improved. The method realizes rapid recovery and reuse of the catalyst, greatly improves the environmental friendliness and economic benefits of the whole production process, and has important practical value and wide application prospects.

This invention relates to the field of fungal culture technology, specifically to a temperature-controlled fungal incubator and method for Candida albicans. The temperature and humidity control components include a support cylinder, a rotating cylinder, a rotator, a heater, a water distribution pipe, multiple nozzles, a temperature and humidity sensor, and a gas circulator. The support cylinder is located at the center of multiple partitions and has multiple first through holes, which connect to independent spaces. The rotating cylinder has multiple second through holes and is rotatably mounted inside the support cylinder. The rotator drives the rotating cylinder to rotate. The heater and water distribution pipe are located inside the rotating cylinder, and multiple nozzles are mounted on the water distribution pipe. The heater is located on one side of the water distribution pipe. The temperature and humidity sensor is located inside the incubator. The gas circulator drives the gas to flow within the incubator. Multiple culture spaces can be isolated within the incubator for cultivation, thereby improving work efficiency.

The utility model discloses a flexible combination cable for a mobile system, which comprises two signal core wires and two control core wires, the signal core wires and the control core wires are twisted into a cable, the center and the outer side of the cable are filled with filling ropes, the signal core wires and the control core wires of the cable are wrapped by a wrapping tape, and a sheath is extruded on the wrapping tape; each signal core wire comprises a signal conductor, the signal conductor is formed by twisting a plurality of Category 6 + copper wires of phi 0.05 mm, a signal insulating layer is extruded on the signal conductor, a winding shielding layer is wound on the signal insulating layer, and the winding directions of the winding shielding layers in the two signal units are opposite; the control core wire comprises a control conductor, the control conductor is formed by twisting a plurality of Category 6 + copper wires of phi 0.05 mm, and a control insulating layer is extruded on the control conductor; the twisting direction of the signal conductors, the twisting direction of the control conductors and the twisting direction during cabling are consistent. The flexible cable is not only good in flexibility, but also excellent in electrical performance.

The utility model relates to the technical field of phenolic moulding plastic processing, and discloses a modified phenolic moulding plastic processing batching device which comprises a stirring bin and a water tank, a circulating assembly is arranged on one side of the water tank, a feeding port is fixedly connected to the top of one side of the stirring bin, and two discharging ports are fixedly connected to the bottom of the stirring bin. A valve switch is arranged on the periphery of the discharging opening, a first motor is fixedly connected to the top of the stirring bin, a first rotating shaft is fixedly connected to the driving end of the first motor, a first gear is fixedly connected to the periphery of the first rotating shaft, and a rotating plate is fixedly connected to the periphery of the first rotating shaft. According to the stirring device, the stirring blades can be driven to move and rotate by starting the first motor, so that modified phenolic molding plastic ingredients are uniformly stirred, liquid in the water tank can be pumped into the stirring bin through the water pipe by starting the water suction pump to be cleaned, and then the liquid flows to the water tank through the discharge port and is filtered by the filter plate to be recycled.

This application relates to a spray structure for a humidifier, including a spray element with a water collection tank. The water collection tank has a water inlet at its bottom. Multiple spray holes are provided on one side wall of the water collection tank, evenly distributed along the extension direction of the water collection tank. A preset height is maintained between the spray holes and the bottom of the water collection tank, allowing water to accumulate in the water collection tank to the preset height before being sprayed out through the spray holes. This application aims to solve the technical problem of uneven water output from the spray holes in existing spray structures, resulting in uneven wetting of the humidifier filter.

The invention relates to an irradiation plan optimization method based on novel sparse sampling, belongs to the technical field of radiation irradiation dose optimization, and solves the problems that invalid voxel data volume cannot be effectively simplified, the processing data volume is large and the result is not accurate enough in the prior art. Receiving an initial irradiation plan and generating a full dose deposition matrix corresponding to each radiation field; constructing a gradient image based on the full dose deposition matrix; performing dual-condition voxel screening on the constructed gradient image to obtain a final sampling voxel set, and constructing a sparse dose deposition matrix; and performing irradiation plan optimization and dose normalization on the sparse dose deposition matrix to obtain an optimized irradiation plan.

This invention discloses a device for testing the anti-aging performance of bathroom floor mats. A performance testing chamber is fixedly connected to the upper part of the equipment box. A testing platform is movably connected inside the performance testing chamber. A sliding guide rail is fixedly connected to the upper part of the testing platform. Two sets of symmetrical clamping assemblies are slidably connected to the sliding guide rail, one set connected to a reciprocating mechanism and the other set connected to a tensioning assembly. A sealing cover is hinged to one edge of the upper part of the performance testing chamber. A sealing block is fixedly connected to the center of the sealing cover, and a xenon lamp assembly is fixedly connected to the lower end of the sealing block. A cooling assembly, a hot air assembly, an ozone assembly, and a humidifying assembly are fixedly connected inside the equipment box. The functional ends of the cooling assembly, hot air assembly, ozone assembly, and humidifying assembly are all located inside the performance testing chamber. The purpose of this invention is to provide a multifunctional, convenient, and highly accurate device for testing the anti-aging performance of bathroom floor mats.