1834results about How to "Improve removal efficiency" patented technology

The invention relates to the technical field of numerical control machine tools, and discloses a five-axis high-precision numerical control machine tool control method, device and equipment and a storage medium, and the method comprises the steps: collecting temperature data and displacement data of a five-axis high-precision numerical control machine tool, and carrying out state space modeling to obtain a machine tool motion state model; stress data and thermal error influence factors of the feed shaft are calculated; feeding shaft stress data and the thermal error influence factors are input into the compensation model, real-time compensation parameters are calculated, compensation control is conducted on the machine tool feeding shaft, and a compensation control result is obtained; according to the compensation control result, an initial machining track optimization model is constructed, and optimized machining parameters are generated; performing segmented machining control based on the optimized machining parameters to obtain real-time machining data; the initial machining track optimization model is optimized based on the real-time machining data, a target machining track optimization model is obtained, and the dynamic response performance and the control precision of the five-axis high-precision numerical control machine tool are improved through the method.

The invention discloses an expressway service area sewage treatment system based on the Internet of Things, and relates to the technical field of sewage treatment.The expressway service area sewage treatment system is provided with a multi-modal sensor and an edge computing unit, real-time monitoring and data processing of sewage flow and water quality parameters are achieved, the water quality change trend and the parameter change rate are rapidly recognized, and the sewage treatment efficiency is improved. The sensing capacity of the system to load changes is remarkably improved, the system conducts real-time adjustment according to the water quality changes, fluctuation of the treatment effect and waste of energy consumption are avoided, an LSTM model is adopted for conducting dynamic prediction on water quality parameters, in combination with real-time monitoring data, the aeration strategy is optimized through intelligent self-adaptive adjustment and closed-loop fine control, and the aeration efficiency is improved. The LSTM model can predict the future sewage load and ammonia nitrogen concentration change, the aeration intensity and time are adjusted in advance, the fluctuation of the ammonia nitrogen concentration is quickly responded through PID control and closed-loop control of a feedback mechanism, and the ammonia nitrogen removal efficiency and the aeration accuracy are improved.

The invention discloses immobilized bacteria-algae microspheres, a preparation method thereof and application of the immobilized bacteria-algae microspheres in removal of ammonia nitrogen and total phosphorus in aquaculture water. The preparation method comprises the following steps: adding polyvinyl alcohol and sodium alginate into deionized water, heating and sterilizing while fully dissolving polyvinyl alcohol and sodium alginate to obtain an embedding medium; adding the iron modified biochar powder into a mixed solution of chlorella and photosynthetic bacteria for adsorption to obtain a bacteria-algae-biochar mixture; adding the bacteria-algae-biochar mixture into an embedding medium to form a gel solution; adding the gel solution into a cross-linking agent for cross-linking, and after cross-linking, separating a solid and cleaning to obtain immobilized bacteria-algae microspheres; the preparation method of the iron-modified biochar powder comprises the following steps: adjusting the pH value of a mixed solution containing biochar powder, Fe < 2 + > and Fe < 3 + > to 9.5-10.5, carrying out heat preservation stirring at 75-85 DEG C for 1-5 hours, carrying out solid-liquid separation, taking a solid, washing, and drying to obtain the iron-modified biochar powder.

The invention discloses an ecological pontoon device and method for removing heavy metal in a water body, and relates to the technical field of sewage treatment.The ecological pontoon device comprises an overwater moving platform, a power propeller, a self-cruising module assembly, a heavy metal ion removing assembly and a control system, and the power propeller is installed at the bottom of the overwater moving platform; the self-cruising module assembly is mounted on the water mobile platform; the heavy metal ion removal assembly comprises an acrylic square groove formed in the water moving platform, ecological filler filled in the acrylic square groove and a micro diaphragm water pump installed between the acrylic square groove and the water moving platform, and the micro diaphragm water pump is suitable for pumping water from the lake into the acrylic square groove. The water is filtered by the ecological filler and is pumped back to the lake body again; the control system is electrically connected with the power propeller and the self-cruise module assembly. According to the method, heavy metal ions in the water body can be effectively removed, and the efficiency can be remarkably improved while the cost is reduced.

The invention provides a garbage clearance scheduling method, which comprises the following steps of S1, installing a sensor on a garbage can in a city for monitoring the overflow degree condition of the garbage can in real time; s2, collecting spill degree data of the garbage cans, and visualizing the spill degree data; s3, according to the collected spill degree data, the number of spill garbage cans is counted; s4, garbage can distribution areas are divided, a threshold value of the number of the overflowed garbage cans is set, the number of the overflowed garbage cans in each area is compared with the threshold value of the number of the overflowed garbage cans, and the priority of the garbage collection and transportation areas is determined; s5, the garbage cans with the garbage overflow degree reaching or exceeding the threshold value in each area are set as a node, and the optimal clearing and transporting path in each area is planned; and S6, according to the obtained garbage clearance priority, performing clearance on each area in sequence, thereby not only improving the clearance efficiency and reducing the operation cost, but also better adapting to the actual demand of urban garbage clearance by dynamically adjusting the clearance plan.

The invention discloses a synthesis method and application of a Cu / Ni and Cu / Zn bimetallic conductive MOF-based catalyst for enhancing reduction of nitrate into ammonia, and relates to MOF catalyst preparation, and the synthesis method is characterized by comprising the following steps: S1, dissolving cupric acetate monohydrate and nickel acetate tetrahydrate or zinc acetate dihydrate in ultrapure water to prepare a solution A; s2, dissolving 2, 3, 6, 7, 10, 11-hexahydroxy tribenzene and ammonia water into N, N-dimethylformamide (DMF), so as to obtain a solution B; s3, mixing the solution A and the solution B, and performing ultrasonic treatment for 10-30 minutes to prepare a solution C; and S4, heating the solution C in an isothermal oven at 85 DEG C for 1-3 hours, naturally cooling to room temperature, respectively washing with deionized water and acetone for 6 times, and finally drying in a vacuum oven at 60 DEG C to obtain a dark blue crystal. The Cu / Zn and Cu / Ni bimetallic conductive MOF prepared by the method has high specific surface area, and the prepared electrode has high responsivity to nitrate ions, has a remarkable nitrate removal effect, has high removal efficiency and has high ammonia selectivity.

The invention relates to the field of town sewage treatment, in particular to a town sewage carbon-nitrogen-phosphorus synergistic advanced treatment method based on biological manganese oxide. The method comprises the following steps: S1, configuring an upward flow denitrification filter tank; s2, a starting stage: taking a mixed solution of secondary effluent and secondary influent water of an actual town sewage treatment plant and manganese sulfate as influent water of a denitrification filter tank with the manganese concentration of 3.0 mg / L, inoculating hydrolytic acidification bacteria, denitrifying bacteria, anaerobic ammonium oxidation bacteria and manganese oxidation bacteria into the denitrification filter tank, and gradually increasing the ratio of the secondary influent water to the secondary effluent water in the mixed solution to 3%; s3, a stable stage: taking a mixed solution of secondary effluent and secondary inlet water of an actual town sewage treatment plant and manganese sulfate as inlet water of the denitrification filter tank, controlling the manganese concentration to be 3.0 mg / L, controlling the hydraulic retention time to be 3-4 hours, and controlling the backwashing period to be 9-11 days. The method can synchronously and efficiently remove carbon, nitrogen and phosphorus in the secondary effluent of the actual town sewage treatment plant at low cost.

The invention provides a pulse assembly, a suction valve, an endoscope and an implantation system, and relates to the field of medical instruments.The pulse assembly comprises a communication part provided with a channel, the channel is provided with an inlet and an outlet, and the inlet is used for being communicated with an instrument tube and / or a sheath tube; the shielding piece is arranged on the communicating part and located between the inlet and the outlet, and the shielding piece has a first state and a second state; the driving part is used for driving the shielding part to be switched between the first state and the second state; when the shielding piece is in the first state, the channel is completely opened; and when the shielding piece is in the second state, at least part of the channel is blocked. Compared with the prior art, the calculus flushing device has the advantages that the flowing speed of flushing fluid can be adjusted by intermittently changing the flowing area of the flushing fluid, and then the calculus flushing effect is effectively improved.

The invention discloses a magnetorheological polishing processing method for a NiP modified reflector, which comprises the following steps of: preparing a NiP modified layer, and carrying out ultra-precision turning processing and magnetorheological polishing modification processing on the NiP modified layer until the NiP modified layer meets index requirements. According to the magnetorheological polishing machining method for the NiP modified reflecting mirror, the NiP modified reflecting mirror blank workpiece is machined through ultra-precision turning and magnetorheological polishing, so that surface defects generated in the machining process of the NiP modified reflecting mirror blank workpiece can be effectively eliminated, and the machining efficiency can be improved; meanwhile, the surface shape precision and the surface quality of machining can be improved, the NiP modified reflector blank workpiece can be machined into the high-quality NiP modified reflector, and the method has the advantages of being few in machining defect, high in machining quality, high in machining efficiency, good in repeatability and the like; the method is of great significance in promoting wide application of the NiP modified reflector in the optical fields of visible light wave bands, shorter wavelength wave bands and the like.

The invention discloses a method for promoting bacillus soil microorganisms to actively absorb oxygen to degrade long-chain alkanes, which comprises the following steps: preparing a catalyst: uniformly mixing oil-containing soil, a carbon source, citric acid, ferric salt, hydrogen peroxide and distilled water, filtering, concentrating clear liquid to obtain a concentrated crystal substance, centrifugally cleaning the crystal substance, and drying to obtain the catalyst; the method comprises the following steps: mixing a catalyst with oil-containing soil, hydrogen peroxide and distilled water, and oscillating on a shaking table for Fenton pre-oxidation; after pre-oxidation, intermittent oscillation oxygenation is carried out, bioremediation is carried out on the petroleum-contaminated soil at normal temperature, and the three petroleum bacteria in the soil are activated. Through pre-oxidation treatment, consumption of soluble organic carbon by microorganisms in soil is stimulated, the active oxygen uptake process of the microorganisms is accelerated, and the carbon metabolism process is accelerated. Finally, the bacillus-like microorganisms capable of degrading the petroleum are activated, so that the aim of degrading the petroleum hydrocarbon in the soil for a long time is fulfilled.

The invention relates to the technical field of organic chemistry and environmental science, in particular to a fluorine-philic and hydrophobic functional monomer, a synthesis method and application thereof, a fluorine-containing compound detection electrode based on the functional monomer and a preparation method of the fluorine-containing compound detection electrode. The chemical structure of the fluorine-philic and hydrophobic functional monomer comprises pyrrole-3-carboxylic acid and fluorine telomer alcohol bonded with the pyrrole-3-carboxylic acid. A long fluorocarbon chain is introduced into a basic functional monomer, so that the fluorine affinity and hydrophobicity of the monomer to a fluorine-containing compound are remarkably improved. Therefore, a derivative pyrrole-3-carboxylic acid of pyrrole is used as a basic functional monomer, and the fluorine telomeric alcohol is bonded on the pyrrole-3-carboxylic acid, so that a novel functional monomer with fluorine-philic and hydrophobic functions is synthesized. The functional monomer realizes specific capture of fluorine-containing organic matter molecules by simultaneously utilizing amido with affinity to perfluorinated compounds in a pyrrole ring and unique fluorine-fluorine interaction force. A perfluorinated compound detection method established based on the functional monomer can avoid interference caused by a sample matrix.

The utility model discloses a device for removing impurities in trichlorosilane, relates to the technical field of polycrystalline silicon production, and mainly aims to improve the removal efficiency of the impurities in the trichlorosilane on the basis of not increasing the cost. According to the main technical scheme, the device for removing the impurities in the trichlorosilane is characterized in that an inlet of a first mixer is connected to one end of a first feeding pipe and a second feeding pipe, a plurality of baffle plates are arranged in a reaction tank in a staggered mode and used for forming a baffle channel in the reaction tank, and one end of the baffle channel is connected to an outlet of the first mixer; the other end of the baffling channel, the filter and an inlet of the separating tower are sequentially connected, the inlet of the separating tower is further connected to a siloxane conveying pipe, a tower kettle of the separating tower is connected to the other end of the first feeding pipe and used for guiding siloxane to the first mixer, and a top collecting pipe of the separating tower is connected to the rectifying unit; wherein the second feeding pipe is used for guiding a trichlorosilane and dichlorosilane mixture containing impurities to the first mixer.

A preparation method of a ceramic nanofiber membrane with a catalytic ozonation function comprises the following steps: S1, mixing ceramic nanofibers with a dispersing agent and a film-forming agent, coating a ceramic membrane support body with the mixture, and drying and sintering to form a ceramic nanofiber membrane with a double-layer asymmetric structure; s2, the ceramic nanofiber membrane with the efficient catalytic ozonation function is prepared through the processes of dipping, drying and firing the ceramic nanofiber membrane in a nano metal oxide precursor solution. The prepared ceramic nanofiber membrane with a double-layer asymmetric structure is taken as a basis, a nano metal oxide precursor solution is taken as a main raw material, and the ceramic nanofiber membrane with a catalytic ozonation function is prepared, so that the removal efficiency of pollutants, especially emerging pollutants such as sulfamethoxazole and tetracycline in a water body can be greatly improved; the problems that an existing catalytic ceramic membrane is low in catalytic efficiency, complex in preparation process, high in cost and the like are effectively solved.

The invention relates to the technical field of polishing solutions, in particular to an efficient and environment-friendly chemical polishing solution and a preparation method thereof. The chemical polishing solution comprises the following raw materials in percentage by weight: 5%-8% of a nano metal abrasive, 2%-4% of a silicon oxide abrasive, 2%-10% of an oxidizing agent, 1%-5% of a complexing agent, 0.05%-0.5% of a corrosion inhibitor and the balance of deionized water. The chemical polishing solution further comprises a pH regulator, and the pH of the chemical polishing solution is regulated to 7.5-8.5 by adopting the pH regulator. The chemical polishing solution disclosed by the invention adopts environment-friendly raw materials, shows a good polishing effect when being used for precision machining of the monocrystalline silicon wafer, and is high in material removal efficiency, and the polished silicon wafer is smooth in surface and free of damage.

The invention is applicable to the technical field of perfluorinated compound removal, and provides an adsorption-coagulant for removing perfluorinated compounds in water and application thereof, the adsorption-coagulant comprises an adsorbent and a coagulant, the adsorbent adopts activated carbon powder, and the coagulant adopts polyaluminum chloride. The adsorbent adopted by the invention can efficiently capture trace perfluoroalkyl molecules in water, and the coagulant can promote the molecules to form larger aggregates in water, so that the overall removal efficiency is improved. By reasonably designing the adsorption-coagulation process, the use amount of a traditional coagulant can be reduced, the generation of byproducts in the treatment process is reduced, and the subsequent treatment cost is reduced, so that the economical efficiency and sustainability of the whole treatment process are improved. The adsorption-coagulation technology disclosed by the invention combines two water treatment methods of adsorption and coagulation, the removal efficiency of nondegradable pollutants such as perfluorinated compounds is remarkably improved through the combined action of the two methods, and the adsorption-coagulation technology shows wide applicability.

The invention discloses a complex microbial inoculant and application thereof, and belongs to the technical field of microorganisms. The composite microbial agent comprises bacillus (bacillus sp.BS-K1) and pseudomonas sp.CN-B1), and the preservation number of the bacillus is CCTCC (China Center for Type Culture Collection) NO: M 20242022, and the preservation number of the pseudomonas is CCTCC NO: M 20242022. The preservation number of the pseudomonas is CCTCC (China Center for Type Culture Collection) NO: M 20242021. According to the complex microbial inoculant provided by the invention, probiotics (Bacillus sp.BS-K1) and denitrifying bacteria (Pseudomonas sp.CN-B1) which have antibacterial effects are compounded to obtain the complex microbial inoculant for aquaculture, and when the complex microbial inoculant is applied to an aquaculture water body, the complex microbial inoculant has excellent denitrification capability and an inhibition effect on related pathogenic bacteria in the water body; the removal efficiency of ammonia nitrogen and nitrite nitrogen in the culture water body can be improved, the number of related pathogenic bacteria is reduced, and the safety of the culture environment is guaranteed.

The utility model relates to the technical field of water body ecological restoration, and discloses a microorganism enhanced submerged plant blanket. The layer structure comprises a substrate layer, plant fiber layers arranged on the upper side and the lower side of the substrate layer, and a plant fiber net arranged on the outer side of the plant fiber layer on the upper side of the substrate layer. Wherein a slow-release carbon source is mixed in the substrate layer to form a nutrient layer, and a granular immobilized microbial agent is arranged above the substrate layer to form a microbial agent layer. The submerged plant blanket is simple and reasonable in structure, the fixing force of the submerged plants and the fungicide is high, nutrients can be continuously provided for the planted submerged plants through the slow-release carbon source, the removal capacity of the plant blanket on ammonia nitrogen pollutants in water can be improved through immobilized microorganisms, and efficient purification and degradation of pollution loads are achieved.

The invention relates to the technical field of machine tool intelligent machining, and discloses a machining method based on deep learning and multi-sensor fusion, which comprises the following steps: collecting data in the machining process of a numerical control machine tool, and preprocessing the data in the machining process of the numerical control machine tool to obtain a data set; inputting the obtained data set corresponding to the data acquired by the plurality of sensors into a Kalman filtering algorithm for Kalman recursive filtering processing to obtain fused actual observation data acquired by the sensors; inputting a data set corresponding to the fused actual observation data acquired by the sensor and the data acquired by the numerical control system into a depth Q network algorithm, and predicting to obtain an optimal tool path; a magnetic field is applied to the machined workpiece through the excitation module; and machining a machined workpiece model along the optimal tool path by adopting an ultrasonic tool high-frequency machining method. According to the invention, the surface quality of the to-be-processed workpiece can be obviously improved.

The invention belongs to the technical field of water treatment, and particularly relates to a preparation method and application of an organic / inorganic composite flocculant for swimming pool water treatment.The method comprises the steps that magnetic nanoparticles Fe3O4 and sodium silicate powder are mixed to prepare a magnetic polysilicic acid solution, chitosan and acrylamide of a certain mass are dissolved in a glacial acetic acid solution, and the magnetic polysilicic acid solution is prepared; and ammonium ceric nitrate is used as an initiator to prepare the chitosan-polyacrylamide flocculant. The prepared chitosan-polyacrylamide flocculant is stirred in a glacial acetic acid solution for 24 hours for pretreatment. The preparation method comprises the following steps: adding an Al2 (SO4) 3.18 H2O solution, a ZnSO4. 7H2O solution and a pretreated chitosan-polyacrylamide flocculating agent into a magnetic polysilicic acid solution according to a certain proportion, so as to prepare the Fe3O4-PSAZ-CS-AM composite flocculating agent. The method disclosed by the invention is simple in reaction operation, easy in reaction condition control, low in cost and high in turbidity removal and organic matter removal efficiency of the swimming pool water, and has relatively high popularization and application values.

The invention discloses a micro-grid intelligent operation and maintenance controller and method, and relates to the technical field of micro-grid operation and maintenance. The intelligent operation and maintenance subsystem is formed by interactively connecting a plurality of cluster servers, each cluster server adopts a small convolutional neural network to establish a fault information set corresponding to each front-end device, and the cluster servers are utilized to train and learn a convolutional neural network model so as to obtain a small convolutional neural network and a large convolutional neural network; therefore, the state data set is identified so as to judge whether fault information exists or not. The micro-grid intelligent operation and maintenance controller and the micro-grid intelligent operation and maintenance method have good openness and compatibility, can be suitable for various micro-grids composed of different primary devices, can automatically judge micro-grid faults and carry out corresponding fault processing under the unattended condition, improve the micro-grid fault processing efficiency and reduce the fault processing cost. The dependence of micro-grid operation on operation and maintenance personnel is reduced, and the operation stability of the micro-grid is improved.

The invention discloses a preparation method of a wool-based nitrogen-doped magnetic biochar material, which comprises the following steps: firstly, impregnating impurity-removed and scale-removed wool in a ferric chloride solution for coordination reaction to obtain a wool / iron complex; adding melamine, metal salt and the wool / iron complex into deionized water, sealing to form a closed environment, and then vibrating to uniformly disperse the metal salt and melamine on the surface of the wool; taking out and drying until no water exists to obtain a metal salt / melamine / wool mixture; carbonizing the mixture in an oxygen-free environment, and removing metal salt and impurities in the product; and drying to obtain the wool-based nitrogen-doped magnetic biochar material. The magnetic biochar material loaded with magnetic nanoparticles is prepared from wool, has excellent adsorption effect and adsorption catalysis effect on complex mixed dye liquor, achieves catalysis and adsorption synergistic integration, has superparamagnetism, and can realize solid-liquid separation and recovery by setting an external magnetic field.

The automatic deburring device comprises a forming mold, a plurality of forming cavities are formed in the forming mold, a packaging groove is formed in the surface of the forming mold, and a plurality of sprue gates are formed in the surface of the inner wall of the packaging groove; in the injection molding process of the semiconductor, burrs formed on the outer side of the sprue gate can be cut off when the first cutter moves towards the interior of the sprue gate, the situation that burrs exist at the sprue gate position after the semiconductor is formed is avoided, the burrs rub a forming cavity in the semiconductor taking-out process, and the forming cavity is not damaged is avoided. The precision of a forming cavity can be influenced in the long-time production process, and a second cutter moves into a cutting groove to cut off residual glue in a packaging groove, so that the situation that the residual glue in the packaging groove cannot be removed in time after being solidified, movement of a packaging strip is blocked when the packaging strip is installed subsequently, and the packaging strip is prevented from being damaged is avoided. And the packaging strip and the packaging groove are rubbed, so that the matching of the packaging strip and the packaging groove is influenced, and the service life is shortened.

The invention discloses a fluorine removal agent as well as a preparation method and application thereof, and relates to the technical field of fluorine ion treatment. The fluorine removal agent comprises the following preparation raw materials: metal salt containing aluminum and iron, an acrylamide monomer and a cationic polymer monomer. The fluorine removal agent can achieve deep fluorine removal of industrial fluorine-containing wastewater, flocs generated in the fluorine removal process are large, compact and high in settling speed, and the fluorine removal agent has the advantages of being wide in pH use range, high in removal efficiency and the like, can rapidly reduce the concentration of fluorine ions in the wastewater to 1.0 mg / L or below, still has the fluorine removal rate of 80% or above for fluorine-containing wastewater with the concentration lower than 10 mg / L, and has a good application prospect. And the dosage of the fluorine removal agent is low, and an excellent fluorine removal effect can be realized when the dosage is less than 500mg / L.

The present invention relates to the technical field of sewage treatment, and in particular to a device for collecting floating mud slag at the edge of a sewage treatment pool, comprising a support frame, a collecting trough installed on the support frame, the collecting trough being connected to a collecting box, a conveyor belt installed in the collecting trough, and the conveyor belt being able to transfer floating mud slag to the collecting box; a suspension beam installed on the support frame, a lifting mechanism installed on the suspension beam, a mounting block moving along the guide rail of the lifting mechanism installed on the guide rail, and the lifting mechanism being able to adjust the height of the mounting block; a circulation mechanism installed on the mounting block, the circulation mechanism comprising a water spraying port opened on the side of the mounting block and a submersible pump installed under the collecting trough, the water outlet of the submersible pump being connected to the water spraying port through a pipeline. The present invention forms a water flow circulation from the middle to the pool edge at the water surface position, on the one hand, transports the floating mud slag at the middle position to the pool edge position, and on the other hand, does not disturb the sludge settled at the bottom of the pool, causing secondary turbidity of the pool water, thereby improving the collection efficiency of floating mud slag.

The invention discloses flexible battery piece slitter edge removing equipment, a flexible battery piece slitter edge removing method and a battery production line, and relates to the technical field of flexible batteries. The flexible battery piece slitter edge removing equipment comprises a rack, a conveying device and a slitter edge removing device, wherein the conveying device and the slitter edge removing device are installed on the rack. The flexible battery piece is clamped through the jacking mechanism and the pressing and holding mechanism, then the waste edge of the flexible battery piece is subjected to bidirectional pushing and breaking through the first pushing and breaking mechanism and the second pushing and breaking mechanism in sequence, so that the waste edge is broken along a waste edge crack on the flexible battery piece, the waste edge removing efficiency is effectively improved, the labor cost and the time cost are reduced, the automation degree is high, and the production efficiency is improved. And moreover, the pushing and breaking force is uniform, and the quality of the flexible battery piece is ensured.

The invention relates to a lung image data processing method and device, computer equipment, a medium and a product. The method comprises the following steps: acquiring a lung scanning image of a to-be-detected object; performing tissue segmentation processing on the lung scanning image to obtain a tissue segmentation result corresponding to the lung scanning image; performing three-dimensional reconstruction on the tissue segmentation result to obtain a three-dimensional tissue image corresponding to the lung scanning image; performing region segmentation processing on a lung region of the to-be-detected object according to the three-dimensional tissue image to obtain a region segmentation result corresponding to the lung region; and positioning a focus area in the lung area based on an area segmentation result. The method comprises the following steps: firstly, segmenting and reconstructing tissues in a lung scanning image to obtain a three-dimensional multi-tissue image, and then carrying out multi-region division on a lung region based on the three-dimensional multi-tissue image to obtain a three-dimensional lung region segmentation result, so that the three-dimensional lung region segmentation result can stereoscopically present a plurality of regions of the lung, and therefore, the lung region segmentation efficiency is improved. Fine division of lung focuses can be realized.

The invention discloses a pruning device for planting horticultural crops. The pruning device comprises a machine shell, and two protective shells are symmetrically and fixedly connected to the inner wall of the machine shell; the removing mechanism comprises two mounting frames which are symmetrically and fixedly connected to the inner wall of the machine shell, sliding blocks are slidably connected to the inner walls of the two mounting frames, fixing rods are fixedly connected to the side walls of the sliding blocks, cutters are fixedly connected to the other ends of the fixing rods, and the cutters are located in the protective shell; the cleaning mechanism comprises two first rotating shafts which are symmetrically and rotatably connected to the inner wall of the protective shell, two cleaning sponges are symmetrically and fixedly connected to the side walls of the two first rotating shafts, a liquid inlet groove is formed in each first rotating shaft, and a plurality of liquid outlet holes are formed in the inner wall of each liquid inlet groove. The micro motor is driven to rotate in the forward direction, the cutter can be driven to cut off branches or leaves to be trimmed, so that the branches or the leaves are removed, the removing efficiency is high, the labor intensity of workers is reduced, disinfectants or nutritional agents can be sprayed, and crops are promoted to be robust.

The invention relates to the technical field of medical instruments, and particularly discloses a hepatobiliary surgery clinical calculus removing device which comprises a first handle, a second handle hinged to one side of the first handle and a calculus removing assembly arranged on the first handle and the second handle and used for clamping and collecting calculus. And the stone crushing assembly is arranged on the stone taking assembly, and the stone crushing assembly is used for crushing stones. According to the calculus removing device, calculus is clamped through the first handle, the second handle and the calculus removing assembly, the clamped calculus is collected through the calculus removing assembly after being clamped, and then the collected calculus is taken out from the body of a patient together, so that the calculus removing efficiency can be improved, and possible secondary injury to the wound of the patient can be prevented; and through the stone crushing assembly, large stones can be crushed, so that the stones can be conveniently collected by the stone taking assembly.

The invention provides a modified biochar and ferromanganese double-metal hydroxide composite material and a preparation method thereof, and relates to the technical field of adsorption materials.The preparation method comprises the steps that straw is subjected to pyrolysis treatment, and biochar is obtained; and then loading the ferromanganese bimetal hydroxide on the surface of the biochar by using a chemical method. The preparation process comprises a plurality of steps of mixing, stirring, precipitating, washing, drying and the like, so that the ferromanganese double-metal hydroxide can be uniformly and firmly attached to the biochar; according to the scheme, the adsorption performance of the biochar (BC) and the catalytic performance of the ferromanganese bimetal hydroxide (MnFe-LDH) are combined, and the high removal efficiency on heavy metal ions and organic pollutants is achieved. In addition, the composite material also has good stability and renewability, and is beneficial to reducing the wastewater treatment cost and improving the treatment efficiency.

The invention belongs to the technical field of construction waste treatment, and discloses a construction waste crushing treatment device for house building construction. Comprising a crusher body and a base; the top end of the base is fixedly connected with a conveying frame through multiple sets of elastic sheet plates. The feeding end of the conveying frame communicates with the discharging end of the pulverizer body through a hose. A strong magnetic roller is installed in the conveying frame, a driving mechanism is installed between the base and the conveying frame, and materials in the conveying frame are conveyed in a vibrating mode through matched use of the driving mechanism and an elastic piece plate. A shifting mechanism is mounted between the base and the conveying frame, and metal fragments adsorbed on the strong magnetic roller are shifted to one side of the conveying frame through the shifting mechanism; according to the device, metal fragments adsorbed on the strong magnetic roller can be effectively removed, and the metal removal efficiency and accuracy are improved.