263results about How to "Strong process controllability" patented technology

The invention relates to the technical field of computers, in particular to a multi-mode-based three-dimensional model editing method and device, equipment and a medium. The method comprises the following steps: acquiring a multi-modal fusion image personalized generation method and a source three-dimensional model; obtaining a personalized image generation network corresponding to the source three-dimensional model, and training the personalized image generation network; based on the reference image list and the corresponding text description, multi-modal embedded information is obtained after fusion; taking the trained personalized image generation network as a skeleton, and adding a multi-personalized learning module to obtain a multi-personalized image editing network; and editing the source three-dimensional scene image according to the multi-modal embedded information by using a multi-personalized image editing network to obtain a single-view-angle edited image. The multi-mode embedded information generated by the method allows a user to input prompt information of multiple modes such as texts, images, sketches and the like, complementarity of prompt of each mode is mined, so that controllability of editing is improved, and high-quality three-dimensional model editing is realized.

The invention relates to the technical field of equipment monitoring analysis, in particular to an intelligent monitoring and upgrading optimization system for dairy beverage production equipment, which comprises a raw material fluctuation monitoring and identifying module for monitoring and identifying the quality fluctuation of raw materials in the dairy beverage production process in real time and automatically detecting the quality fluctuation data of the raw materials; the production process self-adaptive adjustment module is used for adjusting production process parameters in real time through a self-adaptive algorithm on the basis of the raw material quality fluctuation data so as to compensate the influence caused by raw material fluctuation; and the production process feedback and optimization module is used for feeding back the execution effect of the production process according to the product quality data collected in real time in the production process in combination with the adjustment of the production process parameters, and adjusting and optimizing the production process parameters based on the execution effect. According to the invention, product quality fluctuation caused by unstable quality of raw materials in the production process is avoided, so that the production stability and the product consistency are improved.

The invention provides a fabricated building intelligent management method and system based on a BIM model, and the method comprises the steps: installing a sensor at a collection point, and collecting the position, angle, size and other sensing data in real time; preprocessing the collected sensing data, and carrying out cross validation on the preprocessed sensing data; calculating an actual error of each acquisition point of the preprocessed sensing data according to a cross validation result and a target error range, and generating an error analysis report; the result of the error analysis report is compared with the BIM model, and the difference between the actual component and the design model is displayed; and according to a comparison result, a correction or adjustment measure is formulated for the acquisition points of which the errors of each error analysis report exceed an acceptable range. The system comprises an equipment layout module, an error analysis module and an adjustment and correction module. The method plays an important role in improving the construction efficiency, quality and safety; and a closed loop is formed through data acquisition, analysis and feedback.

The invention belongs to the field of wastewater treatment. The invention provides a manganese-carbon composite controlled-release material as well as a preparation method and application thereof. The manganese-carbon composite controlled-release material comprises the following components: a manganese-rich mineral, a natural plant carbon source, a cementing material, aggregate, an additive and a foaming agent. The manganese-carbon composite controlled-release material disclosed by the invention can regulate and control the carbon release and manganese circulation process by virtue of the interaction between manganese and carbon, so that the electron transfer and mass transfer efficiency is remarkably improved, synergistic denitrification is realized, the overall denitrification efficiency is remarkably improved, and synchronous nitrogen and phosphorus removal and self-adaptive continuous denitrification are realized. The raw materials required for preparing the manganese-carbon composite controlled-release material are environment-friendly and low in price, the preparation process is simple, the preparation cost is low, and the manganese-carbon composite controlled-release material can be applied to filler in a submerged area of an artificial wetland, a biological filter and a biological retention system, and can be widely applied to application scenes such as tail water advanced treatment of a sewage treatment plant, rural agricultural sewage treatment and initial rainwater purification.

The invention discloses energy-saving high-pressure cleaning equipment for square and rectangular pipes, and relates to the technical field of high-pressure cleaning, the energy-saving high-pressure cleaning equipment comprises a main body frame, a cleaning module is mounted above the main body frame, a rotational flow collaborative cleaning mechanism is arranged in the cleaning module, and the rotational flow collaborative cleaning mechanism is used for changing a water flow mode to ensure internal and external water flow collaborative high-pressure cleaning; the introduced air conveying bin only surrounds the outmost periphery of the nozzle, air flow flows along spiral water flow on the outmost periphery of the nozzle after being discharged in a vertical flowing mode, through the design, the peripheral water flow obtains additional momentum under the action of wind power, and then the momentum is transmitted to the internal water flow through collision among fluid molecules; according to the process, redistribution of energy is achieved, energy of internal water flow is supplemented, and water flow impact force borne by the peripheral square and rectangular pipes and the internal square and rectangular pipes is more balanced through the effect of wind power on the peripheral water flow and transmission of the energy to the internal water flow.

The invention discloses a traveling wave electric curtain lunar dust conveying device based on three-dimensional electrodes, and relates to the field of lunar dust conveying. In order to solve the problems of low utilization rate of an electric field, easy abrasion of equipment and high energy consumption in the existing lunar dust transportation work in the prior art, the technical scheme provided by the invention is as follows: the traveling wave electric curtain lunar dust transportation device based on the three-dimensional electrode comprises a substrate; the wedge-shaped microstructure is arranged on the upper surface of the substrate, and the wedge-shaped microstructure is in a triangular prism shape; and the electrodes are arranged on the side walls of the wedge-shaped microstructures and used for generating electrodes and transporting lunar dust particles. The invention also provides a traveling wave electric curtain lunar dust transportation method based on the three-dimensional electrode, the method is realized based on the device, and the method comprises the following steps: collecting the motion state of lunar dust particles; a step of adjusting a driving voltage according to the motion state; and driving the electrode according to the adjusted driving voltage. The lunar dust conveying device is suitable for lunar dust conveying work.

The invention discloses a ducted unmanned aerial vehicle structure. The device comprises a machine body supporting beam, fixed ducted fans and movable ducted fans are arranged on the left side and the right side of the machine body supporting beam, the fixed ducted fans are arranged on the front side and the rear side of the movable ducted fans, a fixed frame and a telescopic frame are arranged on the machine body supporting beam, and the fixed ducted fans and the machine body supporting beam are fixed. The movable ducted fan and the machine body supporting beam are movably connected left and right, the fixed ducted fan and the movable ducted fan each comprise a ducted body, a motor base is arranged on the inner side of each ducted body, the motor bases and the ducted bodies are fixed through a plurality of guide vanes, motors are fixed to the motor bases, water cooling cavities are formed in the motor bases, and the water cooling cavities are formed in the outer sides of the motors. A cooling water channel is arranged on the inner side of the guide vane. The folding unmanned aerial vehicle has the beneficial effects that the folded unmanned aerial vehicle is of an H-shaped structure, and the trafficability of road transportation or road driving can be met; and the extended unmanned aerial vehicle is of a *-shaped structure, so that the yaw control capability is improved.

The invention discloses an automobile shock absorber technology, and aims to provide a mistake proofing device for spring plate spiral lift point position height and a control method thereof. The technical scheme is that the mistake proofing device comprises a base used for bearing all mechanisms, a rotating table mechanism is arranged on the base, and a liquid storage barrel placing rod is installed on the rotating table mechanism; an expansion head mechanism for expanding and fixing the liquid storage cylinder is arranged at the top of the placing rod; the pressing mechanism is arranged on the rear side of the base and used for pressing and fixing the spring plate; the positioning mechanism is arranged on the base and used for positioning and supporting the spring plate; the detection mechanism is arranged at the bottom of the positioning mechanism and used for precise detection; the control system is connected with all the mechanisms through a PLC and used for controlling all the mechanisms; the control system can also remotely control the welding robot to facilitate subsequent welding work; through a plurality of components such as the base, the pressing mechanism and the positioning mechanism, the accuracy of the mounting, pressing, positioning and detecting processes is ensured; the invention is suitable for the technical field of automobile shock absorbers.

The invention relates to the field of air treatment, and provides a multi-stage rotating wheel dehumidification device and an air treatment system. The multi-stage rotating wheel dehumidification device comprises at least three rotating wheels, an interval is formed between every two adjacent rotating wheels, the axes of the at least three rotating wheels are coaxially arranged, the interval located on the first side of the axis forms a working air channel, and the interval located on the second side of the axis forms a regeneration air channel. The first side of the axis and the second side of the axis are oppositely arranged; the heat exchanger is arranged in the working air channel; the regeneration air valve is arranged in the regeneration air channel between at least one pair of adjacent rotating wheels and is used for switching connection and disconnection between the regeneration air channel and the rotating wheels; and the regeneration air switching assembly communicates with the regeneration air channel fluid so as to switch outdoor fresh air and / or working air to serve as regeneration air. According to the multi-stage rotating wheel dehumidification device, the system structure can be adjusted according to the outdoor air state, the indoor wet load and the low-humidity requirement of a user, and the humidity adjusting range is expanded.

A high-altitude operation construction vehicle with hoisting and cross arm assisting functions comprises a crane system, a caterpillar band chassis, a swing mechanism, a telescopic arm, a fly arm, a quick change device, a working platform and a cross arm assisting tool, the swing mechanism is installed on the caterpillar band chassis, the fixed end of the telescopic arm is hinged to the swing mechanism, the crane system is installed on the telescopic arm, and the fly arm is installed on the cross arm assisting tool. The flying arm is installed on the telescopic arm through a conversion device, the flying arm can be converted between a storage state and a working state through the conversion device, the flying arm is fixed to the fixed end of the telescopic arm in the storage state, the flying arm is fixed to the telescopic end of the telescopic arm in the working state, and the working platform is detachably connected with the flying arm through a quick change device. The cross arm auxiliary tool is installed on the working platform. The crane can be used as a crane and can also be connected with the working platform through the fly jib, and the cross arm is mounted through the cross arm auxiliary tool on the working platform, so that the operation intensity and risk of workers are greatly reduced, and the construction cost is reduced.

The invention discloses a preparation method of a gallium nitride-based resonant cavity light-emitting diode and a product of the gallium nitride-based resonant cavity light-emitting diode. The method sequentially comprises the following steps: epitaxially growing a gallium nitride-based epitaxial layer on an original substrate, and preparing a plurality of curved surface structures on one surface of the gallium nitride-based epitaxial layer; sequentially depositing a current expansion layer, a curved surface reflector and a transition layer on the curved surface structure along a first direction, and preparing a regional metal substrate corresponding to the size of the transition layer on the surface of the transition layer of each curved surface structure; placing one side of the regional metal substrate on a temporary substrate, removing the original substrate, and polishing, thinning and planarizing the other surface of the gallium nitride-based epitaxial layer; depositing a plane mirror on the other surface of the gallium nitride-based epitaxial layer, and preparing an electrode; and removing the temporary substrate to obtain the single independent gallium nitride-based resonant cavity light-emitting diode. According to the invention, metal curled edges and side wall damages during obtaining of an independent device can be improved, an experimental process is optimized, and performances of light output power and the like of the device are improved.

The invention discloses a novel high-strength plastic magnesium alloy and a preparation and processing method thereof. The magnesium alloy is prepared from, by mass, 3%-10% of Gd, 1%-5% of Y, 0.3%-5.0% of Sn, 0.3%-1.5% of Sb, 0.3%-1.0% of Ge, 0.3%-1.0% of Ca, 0.3%-1.2% of Sr, 0.3%-1.0% of Zr and the balance pure magnesium. The preparation and processing method of the alloy comprises the following steps: (1) preparing raw materials according to target alloy components, and smelting to obtain a magnesium alloy melt; (2) pouring the magnesium alloy melt to form a cast ingot; (3) heating the cast ingot for deformation cogging; (4) carrying out homogenizing heat treatment on the blank; (5) carrying out hot working on the homogenized alloy, and then carrying out artificial aging under the combined action of pulse current and direct current; and (6) the aged material is placed in liquid nitrogen to be kept, and then the deformation residual stress of the material is reduced in a cold water pouring and freezing mode. The defect of the magnesium alloy in the aspect of plastic deformation capacity can be effectively overcome, the controllability of the magnesium alloy structure can be achieved, and the application range of the magnesium alloy is further expanded.

The invention discloses a purification method and a purification device for crystallized magnesium, and relates to the field of magnesium metal smelting. The method comprises the following steps: under the protection of an inert atmosphere, firstly carrying out pressure-applying melting treatment on a magnesium material to be smelted, and then carrying out pressure-applying filtering treatment on a product obtained after the melting treatment, so as to complete the flux-free smelting process of the magnesium material. And meanwhile, the metal magnesium liquid and most of the oxide shells are separated by utilizing the liquidity difference between the liquid metal magnesium and the solid oxide shells. Compared with a conventional smelting process without pressure application, the method has the advantages that the melting rate of the crystallized magnesium can be remarkably increased, most of oxide impurities are removed, a series of pollution problems caused by flux use are solved from the source, and low-cost, high-efficiency and high-quality smelting of the crystallized magnesium is realized.

The utility model relates to a nodular cast iron pipe cement lining internal grinding walking mechanism which comprises a grinding assembly. The walking frame is of a rigid structure with the side face in an N shape, the two ends fixed, the lower portion provided with a gap in the travel direction of the nodular cast iron pipe cement lining internal grinding walking mechanism and the upper portion provided with a plane. The trolley assembly comprises a trolley base, a connecting arm and an adjusting arm, the trolley base, the connecting arm, the adjusting arm and a connecting shaft form a closed annular structure, and the trolley base, the connecting arm, the adjusting arm and the connecting shaft are in a wrapping posture and embraced on the walking frame; the driving device is located on the trolley base and provides power for movement of the trolley base; compared with the prior art, the trolley assembly has the advantages that the trolley base is stabilized on the walking frame in a tree-embracing mode through the connecting arm, the adjusting arm and the connecting shaft, the stability of the trolley assembly in the whole movement process is improved, the grinding quality is improved, and adverse factors such as vibration generated by grinding are avoided.

The invention relates to the technical field of medicines, in particular to a preparation method of fine-particle budesonide crystals, which comprises the following steps: (1) mixing budesonide with ethanol, heating and stirring until budesonide is completely dissolved to obtain a dissolved clear solution; (2) adding the dissolved clear liquid into rapidly stirred purified water, and rapidly stirring at 0-20 DEG C for 10-60 minutes; and (3) stopping stirring, filtering, and drying to obtain a budesonide product with the granularity D95 being less than or equal to 5 microns. The invention aims to provide a method for directly obtaining a budesonide raw material with a small particle size through recrystallization without crushing. Meanwhile, the budesonide raw material prepared by the method is not easy to coat a solvent, and the solvent residue meets the standard.

The invention discloses a workflow operator recommendation method and device, equipment, a storage medium and a product, and relates to the technical field of data processing, and the workflow operator recommendation method comprises the steps: obtaining a precursor operator selected by a user based on a current workflow task chain; acquiring a subsequent operator demand input by the user based on the precursor operator; retrieving subsequent operator requirements based on the operator knowledge base to obtain an operator candidate set; and sorting the operator candidate set through a resorting model, and recommending the sorted target operator set to a user. The operators are gradually determined in the workflow in the form of interaction with the user to generate the workflow, and the system recommends the appropriate operators in each step according to the requirements of the user and the context information of the current path, so that the flexibility and the controllability can be greatly improved, and the use threshold of the user is reduced.

The invention provides a petroleum-based adhesive for a prebaked anode and a preparation method of the petroleum-based adhesive, and relates to the technical field of prebaked anode production. The preparation method of the petroleum-based adhesive comprises the following steps: mixing residual oil with an activating agent, then heating to carry out a first polymerization reaction, and cooling after the reaction to obtain a modified adhesive; and mixing the obtained modified binder with a fraction obtained after reduced pressure distillation of catalytic slurry oil, heating and melting, sealing, heating, carrying out a second polymerization reaction, and cooling after the reaction to obtain the petroleum-based binder for the prebaked anode. A two-stage thermal polymerization method is adopted, the first stage is a medium and low temperature thermal polymerization method, small molecules in residual oil are subjected to medium and low temperature thermal polymerization modification, and the carbon residue rate of asphalt can be increased; the second-stage thermal polymerization mainly enables part of unreacted groups of the first-stage modified adhesive to continue to be subjected to thermal polymerization reaction with the treated catalytic slurry oil at high temperature, and the high-residual-carbon low-viscosity adhesive coal pitch for the prebaked anode is obtained.

The utility model relates to the technical field of file cabinets, in particular to a moisture-proof file cabinet for office file data management, which comprises a cabinet body, a cabinet door is movably connected to the left end of the cabinet body through hinges, four partition plates are fixedly connected to the inner wall of the cabinet body, and exhaust fans are fixedly connected to the lower ends of the three partition plates on the upper portion and the inner wall of the cabinet body. Four grooves are formed in the left inner wall and the right inner wall of the cabinet body respectively, storage boxes are movably connected to the upper ends of the four partition plates, and the left ends and the right ends of the four storage boxes are slidably connected with the grooves respectively. According to the moistureproof file cabinet for office file data management, through the arrangement of the storage box and the exhaust fan, the flexibility of storing and taking data and the controllability of humidity in the cabinet body are improved, the space is fully utilized, classification is facilitated, the object taking efficiency is improved, meanwhile, the situation that the storage requirement cannot be met is prevented, and the service life of the file cabinet is prolonged. And the archive data storage quality is influenced.

The invention relates to the technical field of mechanical transmission, in particular to a variable-speed-ratio mechanical transmission device of an underwear knitting machine, which comprises a servo motor and a power output shaft, the output end of the servo motor is connected with a driving shaft, and a multi-stage speed regulating system is arranged between the driving shaft and the power output shaft; the multi-stage speed regulating system comprises a first-stage speed regulating mechanism, a second-stage speed regulating mechanism and a third-stage speed regulating mechanism; and the I-stage speed regulating mechanism and the II-stage speed regulating mechanism as well as the II-stage speed regulating mechanism and the III-stage speed regulating mechanism are rotationally connected and distributed in a control manner. The device automatically performs multi-stage speed regulation control, and has the functions of high precision, stable operation and efficient operation.

The invention belongs to the technical field of biology, and particularly relates to a CHO cell suspension culture medium as well as a preparation method and application thereof. The culture medium comprises amino acids, vitamins, inorganic salts, trace elements, carbohydrates and other molecular compounds; the amino acids comprise glycine, L-alanine, L-arginine, L-asparagine, L-aspartic acid, L-cysteine, L-cystine, L-glutamic acid, L-histidine, L-isoleucine, L-leucine, L-lysine, L-methionine, L-phenylalanine, L-proline, L-serine, L-threonine, L-tryptophan, L-tyrosine and L-valine. The culture medium provided by the invention can meet the high-density suspension culture of various CHO cells, can improve the production efficiency and reduce the production cost, and has wide application prospects and values. The culture medium provided by the invention overcomes the defects of the existing culture medium with determined chemical components, and provides more choices for the culture medium with determined chemical components in China.

The invention discloses a high-entropy alloy reinforced aluminum-based composite material and a preparation method and application thereof, and belongs to the technical field of metal-based composite material preparation. The composite material comprises an aluminum matrix, high-entropy alloy particles dispersed in the aluminum matrix, and a diffusion interface layer located between the aluminum matrix and the high-entropy alloy particles. The composite material can be prepared by taking a high-entropy alloy and aluminum as raw materials, carrying out ball milling and powder mixing, then mixing in an inert gas environment, carrying out cold press molding, and finally adopting a rapid hot press sintering technology. According to the high-entropy alloy reinforced aluminum-based composite material prepared through the method, high-entropy alloy particles can be evenly dispersed in a matrix, the interface problem of a reinforced phase and the aluminum matrix can be effectively solved by precisely regulating and controlling the interface reaction degree between the high-entropy alloy and the aluminum matrix, and the mechanical property and the friction resistance of the composite material are remarkably improved; good application prospects are realized in the friction field.

The invention provides a hollow piston rod hydraulic cylinder with an equal reciprocating speed and a middle through oil way structure, and belongs to the field of design and manufacturing of piston rod type hydraulic cylinders and design of hydraulic systems, the hollow piston rod hydraulic cylinder comprises a hydraulic cylinder shell, a hollow piston rod and a moving carrier, and the hollow piston rod is arranged in the hydraulic cylinder shell; a single-action hydraulic cylinder is installed on the moving carrier and connected with a cavity of the hollow piston rod through a connecting oil way of the moving carrier. Due to the arrangement of the middle oil pipe, the acting areas of the two ends of the piston of the hydraulic cylinder are approximately equal, and the device can control the moving carrier to reciprocate at the same speed by controlling the stretching of the hollow piston rod hydraulic cylinder; through the middle oil pipe at the cylinder bottom and the cavity structure of the hollow piston rod, the function of oil passing inside the piston rod is achieved, arrangement of an external oil pipe oil way is avoided, and the hydraulic pipeline design problem of a moving carrier provided with a hydraulic system or a hydraulic executing mechanism under the moving working condition is solved.

The invention discloses a method, a system and equipment for synchronizing data to a southern big general database based on Flink, and a storage medium, belongs to the technical field of synchronizing data to databases, and solves the technical problem that the Flink does not support writing data into the southern big general domestic database at present. The method comprises the following steps of: creating a new project, and adding a JDBC (JavaSouth Big Universal Database) driving dependency package, jar required by Flink and an flink-connector-mysql-cdc package; the method comprises the following steps of: acquiring a source code of an flink-connector-jdbc project which needs to be modified; the flink-connector-jdbc.jar is subjected to the transformation of adapting to the South big general database, and the flink-connector-jdbc.jar is subjected to the transformation of the South big general database; the method comprises the following steps: additionally adding an flink-connector-jdbc-gbase. Jar dependency package which is modified by being adapted to a south big general database into a project; compiling in a project by using flinksql grammar, and synchronizing the read user table in Mysql to user table definition information of a southern big general database in real time; packaging the project into jar and running the jar into an flink environment; therefore, the data can be efficiently written into the South big general database in batches in a FlinkStream and SQL mode.

The invention discloses a pulse dynamic electrochemical mechanical composite polishing method which comprises the following steps: step 1, preparing a polishing medium with an electrochemical thickening effect, the polishing medium being formed by mixing a dispersion medium, a dispersion phase, an electrolyte, an additive and an abrasive; secondly, a polishing medium is placed in a polishing groove, and a workpiece is fixed to a connecting shaft of a polishing device through a pneumatic clamp; thirdly, the positive electrode of a pulse power source is connected with the connecting shaft through a wire, and the negative electrode of the pulse power source is connected with the polishing groove through a wire; fourthly, a multi-dimensional coupling vibration device is fixedly connected with the polishing groove through an insulation connecting body, and the vibration frequency, the vibration amplitude, the voltage, the duty ratio and the frequency of a pulse power source are set; and fifthly, the polishing medium is subjected to the directional vibration effect of the multi-dimensional coupling vibration device. By setting a programmable vibration direction, a polishing medium is directionally induced to generate a shear thickening effect and an electrochemical oxidation effect on the surface of a specific workpiece, so that localized removal of a material is realized.

The utility model discloses a strutting piece, airbag, air spring and vehicle, said strutting piece is used for airbag, said airbag comprises airbag body and protection piece, said protection piece is provided outside said airbag body, said strutting piece is suitable for being provided inside said airbag body and supports said airbag body, said strutting piece is used for said airbag body. The side, suitable for making contact with the air bag body, of the supporting piece is provided with an anti-skid part. Therefore, the supporting piece and the protection piece are matched to clamp and fix the air bag body located between the supporting piece and the protection piece, stable installation between the protection piece and the air bag body is achieved through the supporting piece, the friction force between the supporting piece and the air bag body can be increased by arranging the anti-skid part, and the stability of supporting and limiting of the supporting piece to the air bag body and the protection piece is improved; and moreover, the controllability of the product is improved, and the requirement on the process consistency is reduced.

The invention discloses a medium-auricular-biliary-neoplasm organoid culture medium and a construction method of a medium-auricular-biliary-neoplasm organoid, and relates to the technical field of organoid models. By optimizing the formula of the culture medium, the survival rate, the proliferation rate and the controllability of the differentiation direction of the middle auricular and biliary neoplasm cells are remarkably improved, the organoid forming time is short, the modeling success rate is high, and stable passage amplification can be achieved. Compared with an existing in-vivo and in-vitro model, the middle ear and bile adipoma organ can truly reproduce the three-dimensional structure and the cell function of middle ear and bile adipoma. The organ with the middle ear and gallbladder neoplasm provides a more reliable and innovative platform for accurately simulating the tissue microenvironment of the middle ear and gallbladder neoplasm, can lay a foundation for subsequent gene editing and drug screening research, and is beneficial to deep exploration of the generation mechanism and treatment method of the middle ear and gallbladder neoplasm.

The invention discloses a preparation process of a poly laminated double-passivation structure of a TOPCon battery and the TOPCon battery, and belongs to the technical field of solar cells, the preparation process of the poly laminated double-passivation structure of the TOPCon battery comprises the following steps: S1, a pretreatment process; s2, preparation of a laminated double-passivation structure: feeding the silicon wafer subjected to the pretreatment process into a furnace tube of a PECVD (Plasma Enhanced Chemical Vapor Deposition) machine, preparing a tunneling oxide layer on the back of the silicon wafer, and preparing the laminated double-passivation structure on the tunneling oxide layer, the laminated double-passivation structure sequentially comprising a buffer layer, a barrier layer and an N-type amorphous silicon layer; the buffer layer is an intrinsic amorphous silicon layer, and the barrier layer is a tunneling oxidation barrier layer. According to the poly laminated double-passivation structure, the controllability of phosphorus doping distribution can be improved, the doping uniformity is further improved, the contact performance can be improved through high phosphorus doping concentration, meanwhile, the N / N high-low junction phenomenon caused by too high phosphorus doping concentration is avoided, the passivation contact performance of a battery piece is improved, and high battery conversion efficiency is obtained.

The invention relates to the technical field of aquaculture, in particular to an aquaculture floating mobile monitoring platform and feeding device.The aquaculture floating mobile monitoring platform comprises a floating assembly installed at the bottom of a feeding platform, and the floating assembly is used for enabling the feeding platform to float on the sea surface; the feeding platform is provided with a feeding assembly which stirs feeding baits and then throws the feeding baits to the aquaculture water area in a timed and quantitative mode, and the feeding platform is provided with a monitoring assembly which is used for monitoring the whole aquaculture water area and collecting data. An energy production assembly used for achieving long-term energy supply of the feeding assembly and the monitoring assembly is further arranged on the feeding platform, and the feeding assembly comprises a feeding cylinder fixedly installed on the feeding platform. By means of the device, it can be ensured that feed is evenly thrown into the whole aquaculture water area, the aquaculture efficiency is improved, the labor cost is reduced, the controllability of the aquaculture environment is improved, meanwhile, the overall aquaculture quality is improved, and the situation that according to an existing feeding device, insufficient nutrition supply of part of aquatic organisms is likely to be caused, and growth and development of the aquatic organisms are affected is avoided.

The utility model relates to the technical field of grinding devices, in particular to a micro-capsule powder essence fine grinding device which comprises a grinding bin, a feeding port is formed in the top of the grinding bin, two grinding rollers are arranged in an inner cavity of the grinding bin, a driving motor provides power to enable the two grinding rollers to rotate at a high speed, and each grinding roller comprises a power shaft. The double-shaft rotary grinding mechanism comprises a grinding shaft, a grinding plate is arranged on the outer side of the grinding shaft, a grinding plate is arranged on each of the two sides of the power shaft, the two grinding plates are connected through a connecting plate, the grinding plates can move along the outer side of the connecting plate, and an adjusting mechanism is arranged in the power shaft. The position of the grinding plate is adjusted through the adjusting mechanism, so that the gap between the two grinding shafts is changed, the particle size of essence powder generated by grinding is correspondingly changed, the controllability of the grinding process is improved, and essence products with different particle size requirements are met.

The invention belongs to the field of polyester materials, particularly relates to moisture absorption and sweat releasing functional polyester material preparation equipment and a production method thereof, and aims to solve the problems of non-uniform cleaning effect and serious waste of cleaning liquid in the existing treatment equipment and method, the invention provides the following scheme: the moisture absorption and sweat releasing functional polyester material preparation equipment comprises a cleaning box, and rectangular holes are formed in the tops of the two sides of the cleaning box; supporting plates are fixedly connected to the two sides of the cleaning box correspondingly, inflatable shafts are rotatably connected to one sides of the supporting plates correspondingly, the same gray fabric is wound around the outer walls of the two inflatable shafts, a plurality of rotating rollers are rotatably connected to the interior of the cleaning box, and the gray fabric is wound around the outer walls of the rotating rollers. The nozzle can swing left and right, so that the cleaning liquid can uniformly cover the surface of the gray fabric, the cleaning effect is improved, the gray fabric is extruded through cooperation of the ejector rod and the ejector plate, the moisture absorption process in actual use is simulated, and the moisture absorption effect of the gray fabric is accurately evaluated.