365results about How to "Efficient exclusion" patented technology

The invention provides a communication network operation and maintenance fault positioning and tracking method and system, relates to the technical field, and belongs to the technical field of communication network fault diagnosis. According to the method, historical operation data, including network flow data, performance index data and alarm log data, of communication network equipment are collected, fault feature vectors are generated through training of a deep learning model, and a fault feature knowledge base is constructed; receiving operation data reported by equipment in real time to perform feature extraction, and performing similarity matching based on the fault feature knowledge base to determine a fault type; and analyzing a fault propagation path by adopting a graph traversal algorithm, determining fault root cause equipment by calculating a fault probability score of an equipment node, and generating a fault tracking report. According to the invention, accurate positioning and rapid diagnosis of communication network faults are realized, the fault processing efficiency is improved, and the network operation and maintenance cost is reduced.

The invention relates to the technical field of data processing, in particular to a shrimp group health condition assessment method based on deep clustering analysis, and the method comprises the steps: monitoring health parameters; determining a shrimp group dispersion grid; determining a temporary grid; identifying a non-shrimp group abnormal grid; calculating an actual health index; and adjusting the grid step length and evaluating health. According to the method, the health condition of the shrimp group can be accurately monitored and evaluated by combining physiological and behavior data such as real-time density, saturation and activeness, abnormal grids are eliminated step by step, more representative grids are screened out, evaluation deviation caused by environmental fluctuation or measurement errors is avoided, and the evaluation accuracy is improved. The dynamic monitoring of the health condition of the prawn group is realized, and the grid step length is automatically adjusted by comparing the ideal health index with the actual health index, so that the health assessment precision and reliability are improved, and the problem of inaccurate health assessment result caused by unstable environmental parameters is effectively solved.

The invention discloses a single-frame infrared weak and small target detection method based on multi-scale feature enhancement, and the method comprises the following steps: 1, obtaining a single-frame infrared image, constructing a single-frame infrared image data set, and dividing the single-frame infrared image data set into a training set and a test set; 2, an infrared weak and small target detection network model is constructed, the infrared weak and small target detection network takes a YOLOv5 network model as a basic network, and the YOLOv5 network model comprises a trunk feature extraction network, a feature fusion network and a detection head; a multi-scale feature enhancement module is introduced into the trunk feature extraction network, and the multi-scale feature enhancement module comprises a context feature fusion module and a feature detail enhancement module which are sequentially connected in series; 3, designing a training strategy, and training the infrared weak and small target detection network model by taking the training set as input according to the training strategy; and step 4, after training is completed, inputting a test set to test and evaluate the infrared weak and small target detection network model.

The invention relates to an exchange platform laser cutting device. The device comprises a rack, a climbing rail, a translation rail, a translation platform, a climbing platform, a driving mechanism, a three-dimensional moving mechanism and a laser cutting mechanism. The rack comprises a first area and a second area, a plurality of partition plates are arranged at the bottom of the rack corresponding to the first area to form a plurality of smoke exhaust sub-areas, a smoke exhaust port is formed in the rack corresponding to one side of each smoke exhaust sub-area, each smoke exhaust port is connected with a smoke exhaust pipe, a total air outlet is formed in the smoke exhaust pipe, and the total air outlet is communicated with the smoke exhaust sub-areas. An air door and an air door driving assembly used for driving the air door to be opened and closed are arranged at the smoke outlet. The running track of the climbing platform is that the climbing platform ascends and then descends, when the climbing platform and the translation platform are staggered, the climbing platform is located above the translation platform, the climbing platform does not occupy the bottom space of the rack, in this way, the bottom space of the first area of the rack can be released, and therefore a smoke exhaust mechanism can be arranged in the bottom space of the rack.

The invention relates to the technical field of medical image processing and machine learning. The pressure injury image detection and evaluation method comprises the following steps: collecting video image data of the skin of a patient in real time, and preprocessing the collected data to obtain a preprocessed data set; performing video amplification processing on the preprocessed data set to obtain an amplified data set; carrying out image segmentation on the amplified data set, and dividing a plurality of initial pressure damage prediction areas; the mass center position point of each initial damage prediction area is calculated, and the boundary of each initial pressure damage prediction area is dynamically adjusted according to various feature index data of the mass center position point to obtain a pressure damage prediction area; and outputting a detection result corresponding to the pressure injury prediction area in the form of a chart and a report, and giving corresponding early warning information and nursing suggestions according to the detection result. The technical problems that in the prior art, pressure damage image data detection is insufficient in accuracy, and accurate recognition and segmentation are difficult are solved.

The invention discloses a PD-L1 immunohistochemical quality control product and a preparation method thereof, and relates to the technical field of biology. The PD-L1 immunohistochemical quality control product comprises cell slices prepared from a plurality of different types of tumor cells, the cell section comprises a positive quality control product and a negative quality control product which are marked by different colors. In the invention, different tumor cells are creatively adopted as raw materials of the quality control product, the quality control product can be efficiently and quickly prepared, and the limitation of the source of a human tissue sample is overcome; a BSA sealing buffer solution is used for soaking the section, so that long-term stable production of a quality control product can be realized, the dyeing background is reduced, and the dyeing effect is enhanced; besides, by preparing the cell slices with various proportions and different staining intensities, the quality control on the staining of the antibody can be ensured, and guidance can also be provided for accurate interpretation, namely comprehensive and accurate quality control and interpretation guidance are provided for the staining of the antibody, false negative and false positive are effectively eliminated, and the method has great clinical significance.

The invention discloses novel cement pipe pouring forming equipment, and relates to the technical field of pouring equipment, the novel cement pipe pouring forming equipment comprises a supporting seat and a reinforcement cage body, a pouring inner mold and a pouring outer mold are arranged at the top of the supporting seat, the reinforcement cage body is placed between the pouring inner mold and the pouring outer mold, and a control assembly is arranged on the supporting seat. According to the novel pouring forming equipment for the cement pipe, periodic knocking treatment is conducted on the inner wall of the pouring inner mold through the knocking rods, high-frequency vibration is generated, the vibration effect in concrete is remarkably improved through the vibration, and therefore the concrete is fully compacted, bubbles in the concrete are effectively eliminated, and the concrete quality is improved. The reinforcement cage has important significance for improving the strength and durability of the cement pipe, the central position of the reinforcement cage body between the pouring inner mold and the pouring outer mold is ensured through an accurate adjusting and positioning mechanism, the reinforcement cage is prevented from moving in the pouring process, and the construction efficiency is improved. And the problem of non-uniform stress distribution caused by the fact that the position of the reinforcement cage deviates from the center is also avoided.

The invention relates to the technical field of automobile part machining, and discloses spot welding equipment for automobile part machining, the equipment is mainly composed of a spot welding machine and a spot welding auxiliary structure, the spot welding machine comprises a transformer, electrodes, a controller, a machine body and other conventional components, and the spot welding auxiliary structure is arranged between the upper electrode and the lower electrode of the spot welding machine and fixed to one side of the lower electrode; core components of the device comprise a lifting frame, a double-sided toothed plate, a spring rod, a push block, an auxiliary pressing rod, a reset rod, a sliding box, a ratchet gear, a reciprocating lead screw, a reciprocating sliding seat, an exhaust pipe, a click air pipe, a cleaning air pipe, a telescopic pipe, a cleaning box, an impeller, a cleaning piece and the like. Through the arrangement of the spot welding auxiliary structure, the spot welding quality and efficiency of the automobile parts are remarkably improved, the spot welding auxiliary structure plays an important role in promoting the part machining link of the automobile manufacturing industry, has remarkable advantages in the aspects of guaranteeing the product quality and improving the production benefits, and provides a reliable equipment solution for the automobile part welding process.

The utility model belongs to the technical field of optical elements, and particularly relates to an optical communication lens pipe cap which comprises a pipe cap base body, a lens packaging portion is arranged at the top end of the pipe cap base body, a limiting structure matched with an optical communication lens is arranged on the inner wall of the lens packaging portion in a surrounding mode, and a reinforcing structure matched with the lens packaging portion is arranged in the pipe cap base body. A first buffer face is arranged on the inner wall of the reinforcing structure and matched with the lens packaging part in a surrounding mode, a second buffer face is arranged on the inner wall of the pipe cap base body and matched with the reinforcing structure in a surrounding mode, a positioning structure is arranged at the bottom of the pipe cap base body in a surrounding mode, and a third buffer face is arranged on the inner wall of the positioning structure and matched with the pipe cap base body in a surrounding mode. According to the optical communication lens mold pressing forming device, gap gas in the pipe cap can be exhausted in the mold pressing forming process of the optical communication lens, and bubbles are prevented from being formed.

The invention discloses a high-density fine-grain doped tungsten-based material and a preparation method thereof, and relates to the technical field of doped tungsten-based materials, and the preparation method comprises the following steps: S1, performing wet grinding and drying on tungsten powder and metal compound powder to obtain a doped tungsten powder material; s2, the tungsten-doped powder is subjected to compression molding, and a pressed blank is obtained; and S3, the pressed blank is subjected to medium-frequency sintering and hot isostatic pressing treatment, and the high-density fine-grain doped tungsten-based material is obtained. According to the high-density fine-grain doped tungsten-based material prepared by the preparation method disclosed by the invention, the two-time sintering process of'first intermediate-frequency sintering and then hot isostatic pressing 'is adopted, and the two-time sintering process is strictly controlled, so that the prepared high-density fine-grain doped tungsten-based material is high in density and small in particle size.

The invention relates to the field of machine learning, in particular to an image recognition method, system and device for prototype weighted contrast learning and a medium, and the method comprises the steps: obtaining sample feature information, and carrying out the clustering of the sample feature information, and obtaining first clustering information; constructing a clustering consistency loss function according to the first clustering information of the two pieces of sample feature information to obtain a clustering result; optimizing the clustering consistency loss function, acquiring negative sample feature information under the condition that the clustering result is judged to be credible, and clustering the negative sample feature information to obtain second clustering information; constructing a weighted comparison learning loss function according to the first clustering information and the second clustering information to obtain a comparison result; and constructing a total loss function according to a clustering result and a comparison result to obtain total loss information for updating model parameters by gradient back propagation, accurately distinguishing similar samples, reducing the use of resources and time during learning, and improving the accuracy of image recognition.

The utility model relates to the technical field of air conditioner heat pumps, in particular to an outdoor unit and heating and ventilation equipment. The outdoor unit comprises a shell assembly, an air inlet assembly and an air outlet assembly, wherein a containing cavity is defined by the shell assembly; the heat exchanger is arranged in the containing cavity; the water pan assembly is connected with the shell assembly, a water receiving part and a water accumulating part which are communicated are defined by the water pan assembly, the water receiving part is located in the containing cavity and arranged below the heat exchanger, the water receiving part is used for guiding condensate water falling from the heat exchanger to flow into the water accumulating part, and the water accumulating part is located outside the containing cavity and provided with a drainage hole. According to the outdoor unit, the water accumulation part is arranged outside the containing cavity, maintenance personnel can observe the water accumulation part visually and find the icing condition of the water accumulation part in time, ice residues, ice layers and the like in the water accumulation part can be removed without disassembling the shell of the outdoor unit, maintenance is easy, the ice layers can be prevented from blocking the drainage holes, and the service life of the outdoor unit is prolonged. It is ensured that the outdoor unit effectively discharges condensate water.

The invention provides a vacuum devolatilization device which comprises a vertical container, the container is provided with an extraction opening and a material inlet, the upper part of the container is provided with a melt pressure chamber, and the melt pressure chamber is communicated with the material inlet; the devolatilization device is provided with at least one falling film pipe, the inner wall surface of the falling film pipe is a material falling film flowing contact surface, a vacuum chamber is arranged above the melt pressure chamber in the container, and the extraction opening is formed in the vacuum chamber; and a gas phase channel pipe is arranged at the upper end of the falling film pipe, penetrates through the melt pressure chamber and is communicated with the vacuum chamber. The vacuum-pumping effect can be improved, interference of volatile component gas on material falling film flowing is reduced, and meanwhile the inner component is compact in structure and easy to industrially amplify.

The invention discloses a big data mining system based on a traditional Chinese medicine diabetes database in the technical field of big data, and the system comprises an acquisition unit and a construction unit, and the construction unit is used for obtaining the age, gender, pathogenesis, illness, traditional Chinese medicine diagnosis and traditional Chinese medicine symptom type of a patient according to the features of the patient, and obtaining the drug type according to a prescription; constructing a matrix of different drug types and the age, gender, pathogenesis, disease symptoms, traditional Chinese medicine diagnosis and traditional Chinese medicine symptom types of the patient, thereby constructing the association between the different drug types and the age, gender, pathogenesis, disease symptoms, traditional Chinese medicine diagnosis and traditional Chinese medicine symptom types of the patient, and establishing a special diabetes disease knowledge graph; an input unit; and the mining unit is used for mining required treatment drugs from the special diabetes disease knowledge map according to the age, the gender, the pathogenesis, the diseases, the traditional Chinese medicine diagnosis and the traditional Chinese medicine symptom type so as to solve the problem that in the prior art, the drug combination in the prescription is difficult to flexibly adjust according to the physique and the symptom of the patient, so that the mined prescription is relatively weak in pertinence.

The invention relates to the technical field of component recovery, and discloses low-voltage current transformer scrap recovery processing equipment which comprises a comprehensive deslagging mechanism, the comprehensive deslagging mechanism is arranged in a top anchoring mechanism and a working bin, and the comprehensive deslagging mechanism is used for deslagging operation in the shell opening recovery process of a scrap transformer. The comprehensive deslagging mechanism is arranged on the top; and the sealing and limiting mechanism is arranged on the top of the bottom anchoring mechanism and used for equipment sealing operation in the shell opening and recycling process of the scrapped mutual inductor, and the sealing and limiting mechanism is used for arranging a diffusion assembly on the top of the sealing and limiting mechanism. Through cooperative work of a linkage sliding block, an arc-shaped positioning plate and a polygonal limiting frame, the system can accurately position and stably clamp a scrapped mutual inductor machine body to be recycled, the accuracy and repeatability of the machining process are ensured through the precise control technology, the operation efficiency and safety are improved, and the machining cost is reduced. The automation degree allows the machine to operate with less or no human intervention, and the production efficiency is improved.

The invention belongs to the technical field of natural disaster monitoring and early warning, and particularly discloses a landslide deformation monitoring device which comprises monitoring piers, the monitoring piers are arranged on the two sides of a crack, a monitoring box is fixedly arranged on the upper side of one monitoring pier, and a rope end fastening mechanism is arranged on the upper side of the other monitoring pier. A winding disc, a displacement monitoring mechanism and a centrifugal driving anti-interference mechanism are arranged in the monitoring box, the winding disc is rotationally arranged on the side wall of the monitoring box in a clamped mode, the displacement monitoring mechanism is located on the rope outlet side of the winding disc, the centrifugal driving anti-interference mechanism and the winding disc are coaxially arranged, and the winding disc is connected with a tension pre-tightening mechanism on the outer side of the monitoring box. A solar power assembly is arranged on the upper side of the monitoring box. According to the invention, a pure mechanical structure is utilized to judge the real reason of the change of the monitoring value, the influence of external interference on the crack width monitoring result is effectively eliminated, so that false alarm is avoided, the requirement of frequently going to the site for troubleshooting is reduced, the installation is simple, convenient and rapid, complex operation is not needed, and the device can be rapidly deployed in various terrain environments.

The invention discloses an airport roof rainwater treatment monitoring system and method based on cloud computing, relates to the technical field of rainwater monitoring, and solves the technical problems that under extreme weather conditions such as rainstorm, a traditional drainage system is difficult to drain roof accumulated water quickly, accumulated water flooding may be caused, and normal operation of an airport is affected. The rainfall of the target area is predicted; determining a drainage pipeline combination according to the rainfall of the target area; obtaining the content of each element in the rainwater, and analyzing the water quality index of the rainwater; evaluating the pollution level of the rainwater based on the water quality index; based on the pollution level of the rainwater, different water qualities are conveyed to the corresponding reservoirs; based on the pollution level of the rainwater, different water quality is conveyed to the corresponding filter tanks; the device can quickly and effectively disperse and drain accumulated water on the roof, so that the pressure of the accumulated water on an airport building structure is reduced, and the service life of a building is prolonged.

The present invention discloses a high-precision smart meter for outdoor use, which belongs to the technical field of smart meters. The following scheme is proposed, which includes a smart meter body, heat dissipation structures are arranged on both sides of the smart meter body, an air intake structure is detachably installed on the heat dissipation structure, the smart meter body and the air intake structure can be detachably installed inside the meter box, an adjustment component and a pushing component for driving the adjustment component are arranged inside the air intake structure, and a driving component for adjusting the pushing component is arranged on the smart meter body; by arranging the air intake structure, the adjustment component and the pushing component, if the connecting hole is configured in a ⊥ shape, the external natural wind will be effectively guided to the inside of the wind collecting cover, and then smoothly flow into the inside of the installation shell through the air intake duct and the conduit, so as to implement uniform and effective air cooling and heat dissipation on the side wall of the smart meter body, thereby significantly improving its operating stability and ensuring the high precision of the smart meter body during operation.

The invention discloses a test device for simulating migration and transformation of pollutants in underground water. The test device comprises a sand box, a water supply system and a drainage system, the sandbox is internally divided into a water inlet well, a water outlet well and a sand tank; the water inlet well adjusts water head height and is connected with the water supply system; the water supply system, the water inlet well and a passage therebetween are sealed; the sand tank simulates an aquifer soil body and is filled with a soil sample or quartz sand; the water outlet well is connected with a drainage system; the water inlet well and the water outlet well are separated from the sand tank through partition plates, a plurality of through holes are formed in the partition plates, and filter cloth is arranged on the surfaces of the partition plates facing the sand tank. A plurality of pore water sampling holes are formed in the front upper part of the sand tank; a plurality of underground water sampling holes are formed in the front lower part of the sand tank; a plurality of pressure measuring holes connected with a pressure measuring pipe or inserted into a soil moisture tensiometer are formed behind the sand tank; water of the water supply system enters the water inlet well and then permeates into the sand tank filler, water in the filler permeates into the water outlet well, and water of the water outlet well is discharged from the drainage system. Compared with a field test, the material and time cost is reduced.

The invention discloses a comprehensive cleaning device for filter element production, and belongs to the technical field of filter element cleaning. Comprising a shell, a flushing mechanism, a brushing mechanism, a drying mechanism and an anti-splashing mechanism, a containing cavity is formed in the shell, a plurality of limiting grooves distributed in a circumferential array mode are formed in the containing cavity, filter elements are clamped and fixed in the limiting grooves, the flushing mechanism comprises a water inlet pipe and a spraying head, and the flushing mechanism is used for flushing the filter elements in the containing cavity; the scrubbing mechanism comprises scrubbing rollers, a first motor and an adjusting assembly, the scrubbing rollers are arranged between two adjacent groups of filter elements and are arranged in a circumferential array, the first motor is used for driving the scrubbing rollers to rotate, and the adjusting assembly is used for adjusting the distance between the scrubbing rollers and the filter elements; the drying mechanism is used for drying the filter element in the containing cavity, and the anti-splashing mechanism is used for preventing impurities in the containing cavity from blocking the drying mechanism. According to the invention, multiple groups of filter elements can be flushed at the same time, the flushing efficiency of the filter elements is improved, and the water consumption for flushing the filter elements is reduced.

The invention discloses an expressway slope structure in a high-water-level area and a construction method of the expressway slope structure. The technical problem that in the prior art, the reinforcement and drainage effects are poor is solved. The expressway slope structure in the high-water-level area comprises a concrete grid, a slope layer and a slope layer, the first flexible grid is laid on the soil matrix; the porous water guide layer is laid on the first flexible grid; the second flexible grid is laid on the porous water guide layer; the concrete grid is laid on the second flexible grid; the elastic water guide layer is laid on the second flexible grid and is filled in the cavity; the filter layer is laid on the elastic water guide layer; the water plugging layer is arranged above the filtering layer, and a water storage cavity is formed between the water plugging layer and the filtering layer; the drainage mechanism is used for draining the clear liquid filtered by the filter layer in the water storage cavity into the drainage groove; and the fixing mechanism is used for fixing the concrete grid on the soil matrix.

The invention relates to a saline-alkali soil water collection irrigation and drainage dual-purpose ditch which comprises a plurality of water collection ditches. The bracket is detachably connected to the top of the water collecting ditch and is formed by splicing a plurality of sections; the rainwater collecting irrigation mechanism comprises a rainwater collecting assembly, a first-stage irrigation assembly and a second-stage irrigation assembly, and the rainwater collecting irrigation mechanism has a rainwater collecting mode, a natural irrigation mode and a strong irrigation mode; in rainy days, the rainwater collecting irrigation mechanism is in a rainwater collecting mode, and the rainwater collecting assembly is started to collect rainwater into the water collecting ditch; when the water in the water collecting ditch is sufficient, the rainwater collecting irrigation mechanism can be in a natural irrigation mode, and the first-stage irrigation assembly is started; when the rainwater collecting irrigation mechanism is in a strong irrigation mode, the secondary irrigation assembly is started, anti-seepage cloth is laid on the inner wall of the water collecting ditch, concealed pipes are buried below the bottom wall of the water collecting ditch, and the anti-seepage cloth is located above the concealed pipes. The system can realize collection, storage and utilization of rainwater, provides necessary fresh water resources for improvement of the saline-alkali soil, is combined with the concealed pipes, does not affect drainage, and has double effects of water collection irrigation and salt drainage.

The invention relates to the technical field of rare earth powder processing, and discloses a rare earth powder continuous hot press molding strengthening process which comprises the following steps: S1, preparing corresponding high-purity rare earth metal and transition metal according to the material component requirements of a rare earth finished product, determining the proportion of raw materials so as to meet the performance requirements of the final product, and strictly inspecting the quality of the raw materials; and S2, smelting is conducted in a high-vacuum environment, and metal oxidation is prevented. The rare earth powder continuous hot press molding strengthening process can effectively solve the problems that in the process that loose rare earth powder is subjected to compression molding in the prior art to obtain a component in a specific geometrical shape, due to the fact that rare earth powder particles are irregular in shape and uneven in particle size distribution, flowing in a mold is not smooth during feeding, and the product quality is poor. The problem that the density of a pressed product is affected due to the fact that the rare earth powder is locally accumulated too much or too little due to the fact that the rare earth powder is inconsistent in internal density and pressure transmission is hindered is solved.

The invention relates to the technical field of injection molding molds, in particular to a porous mold for ceramic slip casting, which comprises a porous ceramic slip casting mold for ceramic slip casting and a support frame for supporting the porous ceramic slip casting mold, the porous ceramic slip casting mold is composed of an upper mold and a lower mold which are distributed up and down, a mold plate is arranged above the upper mold, and a mold cover for sealing is fixedly connected between the mold plate and the upper mold; a transmission structure for lifting the upper die is installed on the supporting frame, the transmission structure is composed of a driving motor, a lead screw and a transmission part, the lead screw is rotatably installed on the supporting frame and penetrates through the interior of the die plate in a threaded mode, the transmission part is installed between the driving motor and the lead screw, and functional mechanisms are arranged on the side wall of the lower die and the supporting frame. The functional mechanism comprises an air exhaust structure and a material ejection structure. Air in the mold can be exhausted, defects such as bubbles and air holes are avoided, and the appearance quality and performance of products are improved.

The invention relates to the field of automatic equipment for adhesive tape pasting and film tearing, in particular to carrier adhesive tape pasting and film tearing equipment which comprises a first robot, a material moving mechanical arm, an upper film tearing mechanical arm, an adhesive film positioning table, a lower film tearing mechanical arm, a carrier positioning table and a film pressing device. The upper film tearing manipulator tears the upper film after the adhesive film is adhered to the top wall of the carrier, and the adhesive film positioning table is used for the material moving manipulator to take the adhesive film; the lower film tearing manipulator tears the lower film when the material moving manipulator is suspended above the lower film tearing manipulator; the carrier positioning table is used for placing a carrier, so that the material moving manipulator can conveniently attach the adhesive film with the lower film torn off to the top wall of the carrier; the film pressing device automatically presses or rolls the adhesive film after the upper film is torn off, so that the adhesive film is tightly attached to the carrier. By designing the special film pressing device, automatic extrusion and rolling after the adhesive film is attached are realized, bubbles are eliminated, and the attaching quality is improved; and meanwhile, the structure and the action process of the film tearing manipulator are optimized, and the size of the film tearing module is reduced.

The invention relates to the technical field of refractory materials, in particular to a preparation method of a self-curing tundish dry material, which comprises the following steps of: mixing, forming, drying, sintering, cooling and grinding raw materials of the tundish dry material, and mixing the obtained tundish dry material bulk material and a gel material according to a preset proportion; the tundish mold is filled with the fireproof bulk materials obtained through mixing, layered filling is adopted, vibration and degassing treatment are conducted on each layer of fireproof bulk materials to obtain a degassed fireproof solid material, curing treatment is conducted on the degassed fireproof solid material to obtain a cured fireproof layer, and the curing strength of the cured fireproof layer is detected to obtain the actual curing strength; and for the condition that the actual curing strength cannot meet the standard curing strength requirement, the standard curing strength requirement is met by adjusting vibration parameters or adjusting grinding power. By adjusting the grinding power and the vibration parameters, the curing strength of the self-curing tundish dry material meets the curing requirement.

The invention discloses a preparation method of monodisperse vaterite-shaped calcium carbonate with uniform particle size, which comprises the following steps: 1, mixing lime with an ethanol solution, carrying out digestion reaction, and standing and settling lime slurry after the digestion reaction is finished; 2, carbon dioxide gas is introduced into the lime slurry for a carbonization reaction, vaterite-shaped calcium carbonate is generated, and different composite crystal growth inhibitors are added during carbonization to regulate and control the crystal form of calcium carbonate; and 3, after the carbonization reaction is finished, carrying out suction filtration, drying and crushing to finally obtain the monodisperse vaterite-shaped calcium carbonate with uniform particle size. The raw materials are low in obtaining cost, the preparation process is simple and easy to adjust, the calcium carbonate particles are regular in morphology and uniform in particle size distribution and are monodisperse products, the method for preparing the calcium carbonate with the special morphology is widened, and the prepared vaterite-shaped calcium carbonate is expected to be applied to the special fields such as the food industry and the pharmaceutical industry.

The invention relates to a stator winding potting tool, which comprises a stator, a core mold, an upper mold, a lower mold, a sealing ring, a potting head, a rotating shaft, a gear transmission device, a motor, a UV lamp, a heating coil and the like, and is characterized in that the sealing ring is arranged between the upper mold and the lower mold, so that effective sealing between the stator and the molds is ensured, and glue leakage is prevented; bubbles in the stator and in the glue are extracted through vacuum equipment, and it is ensured that the glue evenly fills stator winding gaps; the motor drives the stator to rotate to generate centrifugal force, so that the glue is uniformly distributed in each gap of the stator winding; a UV lamp is arranged in the core mold and used for rapidly curing glue, the outer barrel is provided with a heating coil, stress generated in the glue curing process is eliminated through heating, efficient and uniform glue distribution, bubble elimination and stress elimination are achieved through the synergistic effect of centrifugal force, vacuum and heating, the stator winding potting quality and efficiency are improved, and the production efficiency is improved. The method is suitable for stator winding potting operation with high requirements on electrical insulation performance.

The invention discloses a method and a device for compressing and fixing a glass fiber diaphragm of an aqueous battery. The method comprises the following steps: providing a positive plate, a negative plate and a glass fiber diaphragm; placing a glass fiber diaphragm between the positive plate and the negative plate for lamination to form a battery cell, and in the lamination process, injecting a certain amount of electrolyte into the film surface of the glass fiber diaphragm to moisten the glass fiber diaphragm so as to primarily adsorb the positive plate and the negative plate; and applying balanced pressure to the battery cell, so that the electrolyte is filled in the glass fiber diaphragm and air in the diaphragm is extruded, the glass fiber diaphragm is wholly moistened and fully adsorbs the positive plate and the negative plate, and the battery cell is compressed and shaped under the balanced pressure. A certain amount of electrolyte is injected into each glass fiber diaphragm, and the electrolyte forms a preliminary adsorption layer to realize adsorption of the positive plate and the negative plate; and by applying balanced pressure, the whole glass fiber diaphragm is moistened by liquid, and the shape fixing of the battery cell is realized.

The invention provides a preparation method of glucose, and belongs to the technical field of glucose. The method comprises the steps of starch milk preparation, liquefaction, saccharification, filtration and post-treatment. The filtering step comprises the following steps: filtering the saccharified liquid through a 0.5 mm screen, collecting primary filtrate of the saccharified liquid, then adding an impurity removal agent, filtering, collecting secondary filtrate of the saccharified liquid, and carrying out nanofiltration treatment to obtain saccharified filtrate; the preparation method of the impurity removal agent comprises the following steps: placing activated carbon in a nitric acid solution, raising the temperature, stirring, filtering out, washing, putting into deionized water, adding a catalyst, stirring and catalyzing at room temperature for 28-32 minutes, then adding lauryl amine and glutamic acid, stirring and reacting at room temperature, filtering, washing, putting into a chitosan solution, stirring at 34-36 DEG C for 38-42 minutes, and filtering to obtain the impurity removal agent. Filtering, washing and drying to obtain an impurity removal agent; by adopting the preparation method disclosed by the invention, the yield and purity of the glucose are high, the stability of the functional saccharifying enzyme is good, and the energy consumption is low.