20results about How to "Precision production" patented technology

The invention discloses a planting method for promoting growth of eucalyptus root systems and effectively improving typhoon resistance. The planting method comprises the following steps: (1) selecting a forest land; (2) forest land cleaning; (3) planting density; (4) digging planting pits; (5) applying a bottom-layer bag-controlled slow-release fertilizer; (6) applying a base fertilizer; (7) field planting; (8) applying a shallow-layer bag-controlled slow-release fertilizer; (9) complementary planting; and (10) topdressing. According to the technology, bag-controlled slow-release fertilizers with different slow-release time are applied in different places, nutrients are continuously supplied to plants under deep root systems and around shallow root systems within a certain time range, volatilization, leaching loss and permeation of nitrogen fertilizers, fixation of phosphate fertilizers and migration loss of potash fertilizers can be reduced to the maximum extent, and the utilization rate of the fertilizers is increased. Meanwhile, through the fertilizer taxis of the eucalyptus root systems, extending growth of deep root systems and shallow root systems is guided, the grabbing and attaching force of the eucalyptus is improved, and therefore the typhoon resistance of the eucalyptus is effectively improved.

The invention provides a heat sink preparation optimization method and device and a readable storage medium, and the method enables the process parameters of process control models corresponding to at least two adjacent deposition layers in the same heat sink to be different. The process parameters of the process control models corresponding to the deposition layers formed in the heat sink generation process and the performance parameters of the heat sink are collected to generate multiple sets of samples, and the models corresponding to the different deposition layers are trained through the samples and qualification judgment of the samples, so that the process control models are improved to optimize the performance of the deposition layers. And finally, the purpose of optimizing the comprehensive performance of the heat sink is achieved. The scheme provided by the invention is applicable to preparation of heat sinks with various thicknesses, the problems of defects and non-uniform performance in the production of the heat sinks can be effectively avoided, diversified and differentiated effects can be embodied on each deposition layer of the heat sinks, the different deposition layers can have the advantage of different directionality, and the production efficiency of the heat sinks is improved. And thus, the finally generated heat sink is ensured to have more excellent comprehensive performance.

The invention provides a crystal defect detection and analysis method and system, and belongs to the technical field of crystal detection.The method comprises the steps that 1, crystals are heated and cooled, resistivity under different sintering conditions is obtained, and the concentration of defects is determined; 2, determining the influence of the attraction force and inhibition effect of the defect on the behavior of the carrier, determining the current response after the carrier is injected, and determining the type of the defect; 3, obtaining a light absorption process of the crystal, and determining migration kinetics of the defect according to transition time and relaxation time of photoelectrons; 4, creating a numerical model, predicting the defect behavior of the crystal according to temperature-dependent carrier transport, and obtaining the dynamic process of the defect; and 5, carrying out regression analysis on the concentration, the type, the migration kinetics and the kinetics process of the defect, and extracting characteristic parameters of the defect to realize defect detection analysis of the crystal. The problems that the crystal defect detection cost is high, the detection speed is low, the detection depth is limited, and the material performance is affected are solved.

The invention discloses a movable tray structure for a sugar painting machine, and relates to the technical field of food processing, the movable tray structure is applied to supporting and conveying of sugar painting finished products in the sugar painting machine, the movable tray structure comprises a conveying device, a guide piece, a tray structure and an identification assembly, and the conveying device is installed on the inner bottom face of the sugar painting machine; the guide piece is mounted at the bottom of the sugar painting machine; the tray structure is connected with the conveying device, the conveying device drives the tray structure to slide along the guide piece, and two sets of detachable supporting pieces are arranged on the upper end face of the tray structure; the technical key points are as follows: the tray structure of the existing sugar painting machine is improved, so that the tray of the sugar painting machine has a bamboo stick recognition function and is used as a precondition for equipment operation, and the whole equipment is started after a bamboo stick is recognized, so that the bamboo stick can be effectively prevented from being adhered to the movable tray; and the steps of cleaning the sugar painting machine by workers can be effectively reduced, the using effect is good, and the good using prospect is achieved.

The invention relates to the technical field of stator core production, in particular to a motor stator core automatic processing and forming method, which comprises a first punching mechanism, a second punching mechanism, a first feeding mechanism, a second feeding mechanism, a lamination conveying mechanism, an assembling jig, a welding mechanism and a discharging mechanism, the first punching mechanism is used for punching a first stator iron sheet, the second punching mechanism is used for punching a second stator iron sheet, the first feeding mechanism is used for grabbing a first stator iron sheet punched by the first punching mechanism and placing the first stator iron sheet on the assembling jig to be assembled into a first stator iron ring, and the second feeding mechanism is used for grabbing the second stator iron sheet punched by the second punching mechanism and placing the second stator iron sheet on the assembling jig to be assembled into a second stator iron ring. And stacking the first stator iron rings placed on the assembling jig to form a second stator iron ring. By means of a series of automatic and precise processing steps, efficient, precise and stable production of the stator iron core is achieved. According to the method, the production efficiency is improved, the production cost is reduced, and the quality and reliability of products are remarkably improved.

The invention discloses a traditional Chinese medicine composition for reducing phlegm and dampness and dispersing nodules and a preparation process thereof, and relates to the technical field of traditional Chinese medicine preparation, and the preparation process comprises the following steps: cleaning medicinal materials, crushing and pretreating, extracting the treated medicinal materials by using an ultrasonic-assisted extraction technology, crushing the extracted effective components into superfine powder by using a superfine crushing technology, and preparing the traditional Chinese medicine composition for reducing phlegm and dampness and dispersing nodules. Mixing the ultrafine powder with a 3D printing material, and printing the medicine material into pills by using a photocuring 3D printer, the preparation method has the advantages that the pills with complex internal structures, such as a multilayer structure, a hollow structure and a porous structure, can be constructed through a 3D printing technology, and the special structures can realize accurate control of drug release, so that the preparation method is simple and easy to operate, and the application prospect is wide. The medicine is released according to the preset speed and time, a better treatment effect is achieved, the double-layer structure pill with the outer layer capable of rapidly releasing and the inner layer capable of slowly releasing is designed, the pill can rapidly take effect in a short time, and meanwhile the long-time medicine effect is maintained.

The utility model relates to the technical field of medical instruments, in particular to a positioning device for assisting reduction and fixing acromioclavicular dislocation, which comprises a base plate, an acromion end positioning plate is arranged at one end of the base plate, and a clavicle end positioning block is arranged at the other end of the base plate. Holes are formed in the acromion end positioning plate, acromion end fixing guide needle sleeves are fixedly connected to the positions corresponding to the holes, a plurality of holes are formed in the base plate, and a first coracoshoulder ligament fixing guide needle sleeve, a second coracoshoulder ligament fixing guide needle sleeve and a clavicle end guide needle fixing sleeve are fixedly connected to the positions corresponding to the holes respectively. The positioning device can achieve accurate positioning, damage to blood vessels, nerve tracts and surrounding tissues below the coracoid process is avoided, and operation bleeding is reduced. Due to the fact that the individualized bone tunnel is established, the position where the belt carrier titanium plate is placed is appropriate, the osteolysis phenomenon is reduced, and meanwhile the risk of coracoid fracture is reduced. According to the operation method adopting the positioning device, the operation difficulty is remarkably reduced, the operation time is shortened, and the learning curve of young physicians is reduced.

The utility model relates to the technical field of coal-fired unit equipment, and discloses a control device for preventing crystallization of an outlet pipeline of a hydrolysis reactor, which comprises a water removal structure arranged at the outlet of the hydrolysis reactor and a plurality of stages of heating units arranged along a product gas outlet pipeline, each stage of heating unit comprises a temperature measuring mechanism, a heater and a temperature adjusting mechanism, the heater is provided with an inlet and an outlet, the inlet and the outlet are respectively connected with an inlet pipeline and an outlet pipeline, and the inlet pipeline and the outlet pipeline are respectively used for conveying a heating medium before and after heat exchange with the product gas; the temperature measuring mechanism is used for detecting the product gas temperature of the input end of the heater, and the temperature adjusting mechanism is used for adjusting the conveying amount of a heating medium in the heater according to the product gas temperature measured by the temperature measuring mechanism. In practical application, the problem of pipeline crystallization caused by low temperature of ammonia product gas at an outlet of a hydrolysis reactor under low load of a coal-fired unit is solved.

The application discloses a quality control method for low-temperature short-time baked crisp biscuits, which comprises the following steps: S1, providing a biscuit material slurry, wherein the material slurry comprises oil and water; S2, baking the material slurry by using a microwave device combined with a traditional heat source at a baking temperature of 130 DEG C and a baking time of 20 minutes to obtain a biscuit product; S3, adjusting the proportion of oil and water in the material slurry in S1 to change the porosity of pores in the biscuit product caused by the evaporation of water due to heating in S2; S4, obtaining the porosity parameter of the biscuit product by industrial CT scanning; S5, obtaining the hardness and crispness data of the biscuit product by a texture analyzer; and S6, establishing a mathematical relationship between the porosity parameter and the hardness and crispness. The application realizes accurate prediction and regulation of the taste of biscuits and can be applied to real-time nondestructive quality detection in mass production.

This utility model relates to the field of gypsum board production technology and discloses a dustproof cutting device for gypsum board production. It includes a workbench, a gas storage tank fixedly connected to the top center of the workbench, an air pump fixedly connected to the bottom inner wall of the gas storage tank, a hose fixedly connected to the bottom of the air pump, and the outer wall of the hose penetrating and fixedly connected to the top center of the workbench. A valve is fixedly connected through the middle of the outer wall of the hose, and a vortex chamber is fixedly connected through the bottom of the hose. A separation plate is fixedly connected to the rear end of the inner wall of the vortex chamber. In this utility model, the vortex chamber and other components rapidly cool the cutting blade, stabilizing the blade temperature, reducing wear, ensuring blade edge quality, and precisely controlling the cooling capacity. A second motor and other components precisely position and cut the gypsum board, ensuring consistent gypsum board dimensions, reducing the defect rate. The device is simple and efficient to operate, allows for rapid position adjustment, improves production efficiency, and ensures a high pass rate.

The present invention provides a heat sink preparation optimization method, device and readable storage medium. The method makes the process parameters of the process control model corresponding to at least two adjacent deposition layers in the same heat sink different. The process parameters of the process control model corresponding to each deposition layer formed during the heat sink generation process and the performance parameters of the heat sink are collected to generate multiple groups of samples. The models corresponding to different deposition layers are trained through samples and qualified judgment of the samples, so as to improve each process control model to optimize the performance of each deposition layer, and finally achieve the purpose of optimizing the comprehensive performance of the heat sink. The scheme proposed by the present invention is suitable for the preparation of heat sinks of various thicknesses, which can effectively avoid the defects and uneven performance problems in the production of heat sinks, and can reflect the effects of diversification and differentiation in each deposition layer of the heat sink, so that different deposition layers can have advantages of different directions, thereby ensuring that the final generated heat sink has better comprehensive performance.

The utility model relates to the technical field of water-soluble fertilizer production, in particular to a batching device for water-soluble fertilizer production, which comprises two support frames, the tops of the two support frames are fixedly connected with a rectangular frame together, a plurality of batching barrels are fixedly connected in the rectangular frame, the bottom surfaces of the batching barrels are fixedly connected with electric valves, and the electric valves are fixedly connected with the water-soluble fertilizer. A plurality of material frames are rotationally connected to the positions, close to the lower portions of the electric valves, of the upper portions of the two supporting frames. The water-soluble fertilizer mixing device has the advantages that various water-soluble fertilizer raw materials are arranged in the plurality of mixing barrels, when several raw materials are needed, the electric valve is used for controlling the raw materials to fall into the plurality of material frames, and when the water-soluble fertilizer raw materials fall into the material frames, the weighing device can display the weight on the display all the time; the device is simple in structure and convenient for workers to observe and control the quantity of water-soluble fertilizer raw materials, so that the production of the water-soluble fertilizer is more accurate, and then a first motor is used for controlling a material frame to rotate to pour the water-soluble fertilizer raw materials into a guide frame and a stirring tank.

The invention discloses an automatic device and method for preparing graphite from methane in atmosphere, and relates to the field of atmospheric chemistry and isotope geochemistry. The device comprises a vacuum pump, a flow meter, an electromagnetic valve, a pressure gauge, a reaction tube, an electric heating jacket, a liquid nitrogen cold trap, magnesium perchlorate hydrazine hydrate, a CuO high-temperature furnace, soda lime / magnesium perchlorate composite hydrazine, water-cooled hydrazine, a sample gas bag, a helium steel cylinder and the like. The method comprises the following steps: removing water from gas in a sample gas bag through water-cooled hydrazine, removing carbon dioxide from the gas through soda lime / magnesium perchlorate composite hydrazine, purifying the gas, enabling the gas to pass through a high-temperature furnace containing CuO particles, reacting methane with CuO at high temperature to oxidize the gas into carbon dioxide, further removing water from the gas through magnesium perchlorate hydrazine, and gathering the gas through a liquid nitrogen cold trap to realize enrichment; then the carbon dioxide gas is released and enters a reaction tube, the reaction tube is filled with a catalyst, and graphite is prepared through a reduction reaction at the high temperature.

The invention discloses an association method for variable digital authentication information of a variable holographic material and an anti-counterfeiting printed matter, which belongs to the technical field of anti-counterfeiting, and comprises the following main steps: S1, generating coded graphic information; s2, defining the variable holographic material as a group of coded graphic information carriers; s3, the split codes are given to all the variable holographic materials according to the position information; s4, according to the corresponding relation with a group of coding graphic information carriers, generating coding identification information from the position information of the common anti-counterfeiting codes in the coding identification information carriers, and recording the coding identification information on the anti-counterfeiting printed matter; s5, combining the group of coding graphic information carriers and the group of coding identification information carriers according to a corresponding relation to obtain a group of anti-counterfeiting code labels; s6, associating the code on the variable holographic material to the common anti-counterfeiting code according to the corresponding position relationship between the variable holographic material and the common anti-counterfeiting code; s7, cutting a hollow area of the anti-counterfeiting code label; the invention aims to improve the anti-counterfeiting reliability and stability and reduce the production cost and the production complexity.

The invention discloses an automatic sugar painting machine, and relates to the technical field of food processing, the automatic sugar painting machine comprises a sugar painting machine main body, a movable tray structure, a mounting frame body, a transverse conveying device and a heating furnace head, the sugar painting machine main body is internally provided with a controller; the movable tray structure is mounted at the lower end in the main body part; the mounting frame body is mounted in the main body part, and a transverse guide piece is mounted on the outer surface of the mounting frame body; according to the technical scheme, the structure of an existing sugar painting machine is improved, so that the sugar painting machine is stable in overall structure, uniform in stress, low in precision attenuation speed, capable of being used for a long time, small in overall size, wide in application range and capable of achieving the effect of automatically checking sugar paintings; and when the sugar painting effect is not good, related technicians are automatically reminded of timely maintenance, a better maintenance plan can be made, the overall using effect is good, and the good using prospect is achieved.

The invention discloses a manufacturing process of a special ratchet wrench on a matched cylinder, and relates to the technical field of ratchet wrench manufacturing, and the manufacturing process comprises the following steps: adopting a heading machine or a hydraulic machine and a punching machine, and carrying out heating cold extrusion forming; a hydraulic machine, a punching machine and a composite die are adopted to complete shapes; annealing, sand blasting and phosphating; a hydraulic machine, a punching machine and a composite die are used for manufacturing large and small inner round holes, left and right baffle piece semicircular holes, triangle direct taking-out and cover plate steps at a time; punching a gear hole, a cover plate screw hole and a shifting fork hole; the outer diameter shape of the rod part; polishing the surface; heat treatment; grinding the surface; sand blasting; electroplating is conducted; and assembling a finished product. According to the manufacturing process disclosed by the invention, the high-efficiency and accurate production of the ratchet wrench is realized by accurately controlling parameters and process conditions of each processing step. And meanwhile, by optimizing the surface treatment and heat treatment processes, the hardness and wear resistance of the product are improved, and the service life is prolonged.

The utility model discloses a control system for multi-medium production of a horizontal well group, which belongs to the technical field of horizontal well group production, and is characterized in that short-term groove building (a qualified target is built for horizontal well butt joint) is carried out after drilling of a vertical well in the first period, and a medium is introduced from an inlet end of the vertical well in a key groove stage through a water inlet header pipe according to actual requirements; then the medium flows into a water outlet header pipe through the outlet end of the keyway stage vertical well, and the medium is conveyed to a wastewater header pipe; after the horizontal wells are butted and drilled, the horizontal wells enter a pilot production stage and gradually form designed production capacity (one vertical well and one horizontal well form one well group), and a medium is introduced from the vertical wells through the water inlet main pipe according to actual requirements, then flows into the water outlet main pipe through the horizontal wells and flows into the branch pipes according to actual conditions. According to the utility model, the accurate control production under various conditions can be achieved, and the brine extraction process of the horizontal well group for rock salt mine development is perfected, so that the organization production allocation problem of different well groups and different water qualities is solved.

This invention relates to the field of prestressed hollow core slab design. Currently, the process design for hollow core slab systems is unclear. This invention proposes a BIM-based prestressed hollow core slab design method, comprising: establishing a BIM model of the framework; providing a prestressed hollow core slab BIM database to the designer; determining the design load values ​​for the spans, the thickness of the prestressed hollow core slabs, and the initial layout direction; determining the slab direction layout and reinforcement for each span; determining the final simply supported layout diagram of the prestressed hollow core slabs and ensuring the accuracy of the layout; determining the locations of water and electricity pipes for the hollow core slabs and the locations of openings below the slab holes; outputting overall project information data reports; generating production processing tables for each production line; outputting the production processing tables to the factory for standardized assembly line production; generating QR codes through input into the production management system; and on-site construction and installation. This method improves production efficiency, achieves seamless integration from design to production and construction, and enables precise construction, demonstrating promising development prospects in the field of prestressed hollow core slab design.

A calibrant for use in correction of machine difference of mass spectrometers and a method for producing the calibrant are provided. A calibrant for use in a mass spectrometer, the calibrant comprising not less than two calibration substances, wherein a ratio of, relative to a concentration of one calibration substance of the not less than two calibration substances, a concentration of another calibration substance of the not less than two calibration substances is a predetermined value, and a method for producing the calibrant.

This invention discloses a method for preparing a highly stable sodium aluminate slurry, comprising the following steps: S1: Selecting sodium aluminate slurry for preparation during the Bayer process of alumina production; S2: Filtering the sodium aluminate slurry obtained in S1 to remove suspended solids and precipitates, then placing it in a clean, dry container and cooling it to room temperature as the preparation solution; S3: Subjecting the preparation solution obtained in S2 to caustic alkali N2. K Total alkali N T Analysis and detection of alumina (AO) content, and calculation of R P If R P If the concentration is greater than 0.5, add solid sodium hydroxide and stir continuously until the solid sodium hydroxide is completely dissolved, so that the R of the solution... P The solution is in the range of 0.45-0.5; S4: Add 120-130 g / L of solid tartaric acid to S3, stir thoroughly to dissolve, and let stand to obtain a highly stable sodium aluminate slurry. The sodium aluminate solution prepared by this invention can be stored for more than one year, exhibiting long storage time, high stability, and outstanding technical effects.