50results about How to "Fast manufacturing" patented technology

The invention relates to a preparation method of a self-assembled monomolecular layer in a perovskite cell, and belongs to the technical field of solar cells, and the preparation method comprises the following steps: S1, preparing an SAM layer; step S1.1, soaking the conductive glass substrate into the preheated SAM first precursor solution; step S1.2, quickly soaking in a second SAM precursor solution; s1.3, taking out and removing the residual solvent to obtain an SAM layer; step S2, annealing; s3, preparing a perovskite light absorption layer and other functional layers; and depositing a perovskite light absorption layer and other functional layers on the SAM layer in sequence, and finally preparing a complete perovskite solar cell. According to the method, the appropriate high-boiling-point solvent is selected to prepare the SAM precursor solution, then the conductive substrate is rapidly soaked in the SAM precursor solution under the condition that the high temperature is kept, SAM molecules are rapidly self-assembled within seconds at the high temperature, the self-assembled molecular layer is more uniform and compact, the perovskite buried bottom interface has fewer defects, the interface contact is better, and the performance of the conductive substrate is improved. And the efficiency and the stability of the perovskite cell are obviously improved.

The invention discloses a method for manufacturing a CoCrNi medium-entropy alloy by TiC ceramic powder-enhanced laser additive manufacturing. The method comprises the following steps: S1, selecting CoCrNi alloy powder and TiC ceramic powder with a particle size of (10-60) μm; S2, mixing the CoCrNi and TiC powders by mechanical ball milling, wherein the atomic ratio of the two powders is CoCrNi:TiC=(0.8-1):(0.1-0.2); S3, vacuum drying the mixed powder, and preparing a TiC ceramic powder-enhanced CoCrNi medium-entropy alloy material with fewer defects and excellent performance by using a laser selective melting (SLM) technique; the invention reduces the generation of cracks and pores in the process of additive manufacturing, and reduces the generation of defects inside the printed material; improves the density and Vickers hardness of the CoCrNi medium-entropy alloy, refines the average grain size, etc., and prepares a CoCrNi / TiC medium-entropy alloy with better performance; the invention adds a specific proportion of TiC ceramic powder, which can effectively achieve the effect of refining grains and reducing internal defects.

The invention relates to the technical field of otolith sample preparation, in particular to a freshwater fish otolith sample preparation method which comprises the following steps: 1, sampling otolith; 2, otolith cleaning; 3, weighing the otolith; 4, fixing the otolith; 5, vacuumizing and hardening; 6, cutting the otolith; 7, fixing and cutting for the second time; 8, otolith polishing; 9, polishing the otolith; 10, otolith dyeing. According to the method, the freshwater fish otolith sample can be well prepared.

The invention relates to the technical field of vaccine preparation methods, in particular to a polypeptide vaccine preparation method which comprises the following components in percentage by mass: 20-30% of a polypeptide antigen, 10-50% of a carrier, 1-10% of an adjuvant, 1-3% of a stabilizer and 1-2% of a preservative. The method comprises the following steps: step 1, antigen epitope preparation, step 2, epitope verification, step 3, polypeptide synthesis, step 4, polypeptide loading, step 5, efficiency evaluation, step 6, pretreatment, step 7, purification processing, step 8, ultrafiltration processing, step 9, identification, step 10, mixing processing and the like. A stabilizer and a preservative are added in the preparation process of the polypeptide vaccine, the stability and safety of the vaccine in the storage and use process can be kept, impurities can be efficiently removed through the steps of physical precipitation, HPLC purification, ultrafiltration processing and the like, the quality of the vaccine can be ensured, customized production can be conducted according to different pathogens and epitopes, and the method is suitable for popularization and application. The medicine is suitable for preventing and treating various diseases.

A box type guide rail of a hydraulic climbing device of a tower building machine comprises two side plates, a middle plate is arranged between the two side plates, and the middle plate and the side plates are connected in an inserted mode and then fixed in a welding mode to form the box type guide rail. The box-type guide rail aims to solve the technical problem of a box-type guide rail in a hydraulic climbing device of a tower building machine, a traditional box-type guide rail is difficult to weld and form and poor in consistency, an innovative structure that the middle plate and the side plates are welded after being connected in an inserted mode is adopted, the middle plate and the side plates are cut through laser, and matched plugs and insertion holes are designed; wherein a chamfer is arranged at the outer side end of the plug, so that the welding difficulty is successfully reduced, the consistency of each box type rail finished product is ensured, the production quality and efficiency of the box type guide rail are effectively improved, and reliable guarantee is provided for stable operation of a tower building machine.

The application discloses a preparation method and device of a multilayer grating structure, comprising: in the process of preparing each layer of grating, coating a first grating prepared on a substrate with a film; coating photoresist on the first grating after film coating and pre-baking; exposing the photoresist layer after pre-baking to first coherent light with the width and position of the interference fringes matching the period of the first grating; and developing the photoresist layer after exposure to form a second grating on the first grating, which is aligned with the grating lines of the target grating on the top layer of one or more layers of grating. In this way, the first grating prepared is protected by the film coating process when the multilayer grating structure is prepared layer by layer, the preparation process of the multilayer grating structure is simplified, the photoresist layer on the first grating is exposed to first coherent light with the width and position of the interference fringes matching the period of the first grating, the grating lines of different layers of grating are aligned, and the freedom of the multilayer grating is improved.

The invention discloses a sea water desalination device capable of comprehensively utilizing ocean energy, and relates to the technical field of sea water desalination. The bottom of a connecting frame is connected with a condensation cover, the bottom of the condensation cover is connected with a U-shaped groove, the output end of an adjusting motor is connected to one end of the bottom of a supporting plate, and one end of the top of the supporting plate is connected with a reflection focus lens through a universal joint; by controlling the adjusting motor and the adjusting electric push rod to be matched with the universal joint and the rotating seat, multi-angle adjustment of the reflecting focus lens is achieved, the adjusting motor and the adjusting electric push rod are matched with the universal joint and the rotating seat, and the adjusting motor and the adjusting electric push rod are matched with the universal joint and the rotating seat to adjust the reflecting focus lens. The stirring motor drives the stirring rod and the scraping rod to stir seawater in the evaporation boiler, so that separated crystal salt is prevented from covering the water surface and hindering evaporation of water, the operation stability of the device is ensured, and the fresh water preparation speed is increased.

The high-temperature furnace for preparing the copper oxide powder comprises a preparation cylinder, two supporting sliding seats are arranged outside the preparation cylinder, lifting sliding plates are connected to the inner walls of the two supporting sliding seats in a sliding mode, and supporting clamping seats are fixedly installed on the side faces, close to each other, of the two lifting sliding plates. Electric push rods are fixedly installed on the inner bottom walls of the two supporting sliding seats, the telescopic ends of the two electric push rods are fixedly installed on the bottom faces of two lifting sliding plates correspondingly, connecting clamping plates are arranged above the two supporting clamping seats, and the side faces, close to each other, of the two connecting clamping plates are jointly and fixedly connected with a preparation container; relates to the field of copper oxide powder preparation. According to the utility model, through the stretching work of the electric push rod in the support sliding seat, the lifting sliding plate can be pulled to slide upwards, and the support clamping seat and the preparation container can be driven to ascend, so that the preparation container can be quickly taken out without waiting for the cooling of the whole preparation cylinder, and the blanking time is shortened.

The present invention provides a model of a cast-in-place internal structure of a shield tunnel, comprising two model fixtures, a first aluminum sheet, a second aluminum sheet, a third aluminum sheet, a fourth aluminum sheet, a Π-shaped plate, and a tensioning device with a pre-tightening force, wherein the model fixture is semi-arc-shaped, and three holes are provided on the model fixture, and the three holes are arranged side by side, and the two model fixtures are directly opposite and spaced in the vertical direction, and the two ends of the first aluminum sheet, the second aluminum sheet, and the third aluminum sheet are respectively engaged with the three holes of the two model fixtures, and along the circumference direction of the outer edge of the model fixture, the fourth aluminum sheet covers the two model fixtures, and the two ends of the Π-shaped plate are respectively connected to the two ends of the fourth aluminum sheet, and the Π-shaped plate is arranged in affixed to the two model fixtures, and the Π-shaped plate and the fourth aluminum sheet completely enclose the two model fixtures, and the tensioning device is wrapped around the outside of the Π-shaped plate and the fourth aluminum sheet. The present invention also provides a model test production method for a cast-in-place internal structure of a shield tunnel.

The utility model discloses a rapid forming die for producing a multicolor pen. The rapid forming die comprises a lower die, an upper die and a material returning mechanism, a lower mold core is arranged at the upper end in the lower mold, and injection molding cavities which are uniformly distributed are formed in the lower mold core; uniformly distributed upper mold cores are arranged on the lower side of the upper mold, an injection molding opening is formed in the top wall of the upper mold in a penetrating manner, uniformly distributed material conveying openings are formed in the lower side of the upper mold, and the material conveying openings and the injection molding cavity are mounted in a matched manner; according to the multi-color pen production rapid forming mold, an injection-molded multi-color pen shell can be automatically ejected out through an elastic element, manual discharging is facilitated, the preparation speed of the device for the multi-color pen is increased, the production efficiency is improved, the production cost is reduced, and the production efficiency is improved. And meanwhile, auxiliary water cooling is conducted on the multi-color pen molten-state raw materials in the injection molding cavity through the heat conduction pieces, and then the cooling forming speed of the multi-color pen molten-state raw materials is increased.

This invention discloses a structure and preparation method for loading targeted therapeutic drugs, relating to the field of targeted drug preparation. The invention includes a base, a battery, a preparation chamber, a conveyor belt, a drug delivery device, an electronic control panel, and a drug structure. The preparation chamber includes heating plates, with several heating plates disposed on one surface inside the preparation chamber body. The conveyor belt includes second nozzles, with one end of several second nozzles connected to the inside of a storage tank. The drug delivery device includes drug storage cylinders, with several drug storage cylinders disposed on the upper surface of the preparation chamber body. The electronic control panel includes a display screen, disposed on another surface of the panel body. The drug structure includes a first drug tube, with one end of the first drug tube connected to the inside of a lower outer shell. This invention provides a structure and preparation method for loading targeted therapeutic drugs, allowing for in vivo drug delivery through the first and second drug tubes; the heating plates accelerate material curing and molding.

The invention discloses an automatic forming machine for paper plastic products and a manufacturing method thereof. A slurry absorbing mold immersed in a slurry box absorbs slurry to form a slurry layer, then rises and leaves the slurry box, and mates with a hot pressing upper mold that moves in from an outer space to extrude a primary embryo product. Then the slurry absorbing mold descends and returns to the slurry box to start a second round of slurry absorbing. The hot pressing upper mold absorbs the primary embryo product and returns to the reverse position. Then a hot pressing lower mold rises and mates with the mold, and the primary embryo product is hot-pressed and formed into a paper plastic product. The hot pressing lower mold absorbs the paper plastic product and descends and returns to the position. Then a material receiving mechanism absorbs the paper plastic product and leaves the hot pressing lower mold for collection. The invention can perform rapid cold extrusion (dehydration) and rapid hot pressing forming after slurry absorbing, thereby improving manufacturing speed, shortening production cycle, and reducing manufacturing cost.

The present invention relates to a device (10) for manufacturing a fiber-reinforced component (1) according to a three-dimensional winding method, the device comprising at least one computer-controlled winding machine, which is used to wind at least one fiber support (11) arranged on a rotating shaft (16) using a linear continuous fiber strip provided on at least one reel (18) in at least one winding pattern, wherein the at least one winding machine is a robot arm (13) with multiple rotation axes, which simultaneously lays at least two fiber strips (12), wherein at least one robot arm (13) is used to simultaneously lay the at least two fiber strips (12) in a distributed manner on at least two fiber supports (11) respectively arranged on separate rotating shafts (16) and / or to simultaneously lay at least two fiber strips (12) on only one fiber support (1) arranged on a separate rotating shaft (16).

The invention discloses a laser cladding type additive manufacturing YBCO high-temperature superconductor system and method, and relates to the technical field of superconducting ceramic preparation. In order to solve the problems of low processing efficiency and complicated steps in the existing YBCO superconducting ceramics, the following technical scheme is provided: the device comprises a laser, a powder feeder, a mechanical arm and a cladding head, the mechanical arm drives the cladding head to move according to a printing path, and the laser conveys laser to the cladding head through an optical fiber; the powder feeder feeds powder into the cladding head, laser melts the powder and solidifies the powder on a substrate of the rotary table to form a three-dimensional complex structure, temperature distribution of a manufacturing structure is fed back through the infrared temperature sensor, and the camera monitoring system captures the deposition quality of a sample structure in real time. The method has the beneficial effects of high precision, high efficiency, high material utilization rate, good flexibility, low cost and the like, and provides a new and promising technical approach for preparation of the high-temperature superconducting material.

The invention belongs to the technical field of printing electromagnetic materials, and particularly relates to an ink-jet printing flexible electromagnetic metamaterial preparation device which comprises a rack, a supporting platform is fixedly connected to the interior of the rack, and a supporting frame is fixedly connected to the upper surface of the supporting platform; an unwinding mechanism used for fixing the raw material roll is arranged between the raw material roll and the supporting platform; an adjusting mechanism used for fixing the ink-jet printer body is arranged between the ink-jet printer body and the supporting platform; the reduction soaking pool is fixedly connected with the upper surface of the supporting platform; the conveying frame is rotationally connected with a plurality of first transmission rollers; and a winding mechanism used for fixing the material receiving roll is arranged between the material receiving roll and the supporting platform. The invention further provides an operation method of the ink-jet printing flexible electromagnetic metamaterial. The ink-jet printing flexible electromagnetic metamaterial has the advantages that a roll-to-roll preparation process is adopted, the production period is remarkably shortened, the production efficiency is improved, and the large-scale industrial production requirement is met.

The invention belongs to the technical field of ozonized oil preparation, and particularly relates to an ozonized oil production reactor which comprises a reaction tank, an oil inlet is formed in the middle of the reaction tank; a discharge hole is formed in the bottom of the reaction tank; the bottom of the reaction tank is fixedly connected with a gas conveyor; the top of the reaction tank is fixedly connected with a driving motor; the output end of the driving motor is fixedly connected with a rotating rod, and the rotating rod extends into the reaction tank; the end part of the rotating rod is rotationally connected with the gas conveyor; a gas cavity is formed in a rotating rod, a control switch of a driving motor is turned on, so that the driving motor drives the rotating rod to rotate, then a stirring rod stirs vegetable oil in the reaction tank, ozone gas is added while the vegetable oil is stirred, and the vegetable oil and the ozone gas can be mixed more sufficiently and quickly; the reaction speed between the vegetable oil and the ozone gas is increased, the preparation speed of the ozonized oil is increased, and meanwhile the production quality of the ozonized oil is improved.

The invention discloses a quick-heating water tank for a direct-heating heat pump water heater, comprising a tank body, a heat exchange tube is arranged on the inner side of the tank body, a tank body is arranged on the inner side of the tank body, a heat insulation cotton is arranged between the tank body and the tank body, a descaling mechanism is arranged on the upper part of the inner cavity of the tank body, a driving mechanism is arranged on the upper part of the tank body, an isolation net bucket is arranged on the bottom of the inner side of the tank body, and a descaling mechanism is arranged on the bottom of the isolation net bucket. The invention relates to the technical field of water heating. The quick-heating water tank for a direct-heating heat pump water heater is provided with a heat exchange tube with a vortex structure, so that the pipe of the heat exchange tube is extended, thereby increasing the contact area between the water and the heat exchange tube, so that the water in the water tank is quickly heated, the longitudinal rod is driven to rotate by a driving motor, the pulling block lifts the longitudinal rod, and the longitudinal rod starts to rotate along the adjusting groove, and at the same time, the scraper head scrapes the scale on the surface of the heat exchange tube, thereby preventing the heat exchange tube from scaling, thereby affecting the heating efficiency of the equipment.

The utility model relates to a positioning tool for assembling an intermediate frequency furnace, which is applied to the technical field of steel bar processing equipment, and solves the problems that the axes of a radial pipe and a radial through hole are not on the same straight line, the phenomenon of casting center deviation exists, the phenomenon that a steel bar easily impacts the radial pipe or cannot pass through the radial pipe smoothly, and the working efficiency is reduced. Comprising a base, a positioning column, a supporting piece and a reference piece, the positioning column is arranged above the base and is parallel to the base, the supporting piece is arranged on one side of the upper end face of the base in the length direction, and the supporting piece is used for supporting the positioning column; the reference part is arranged on one side of the width direction of the upper end surface of the base and is used for performing reference positioning on the intermediate frequency furnace placed on the base; the device has the advantages that it can be guaranteed that the radial pipe, the heating ferrule and the radial through hole in the intermediate frequency furnace are coaxially arranged, the positioning precision is high, the assembly time can be shortened, the manufacturing speed can be increased, and therefore the production efficiency is improved, manual participation can be reduced, and the labor cost can be reduced.

The invention discloses an efficient stirring silver colloid feeding adjusting device in the technical field of stirring silver colloid feeding. The efficient stirring silver colloid feeding adjusting device comprises a base, a hopper and an induction spring, wherein the hopper and the base are arranged in a sliding mode, and the induction spring is fixedly arranged between the hopper and the base; the feeding opening is formed in the bottom of the base; the adjusting plates are slidably arranged at the bottom of the side wall of the base in pairs; the synchronous structure is used for driving the adjusting plate to move reversely; the shifting disc is rotationally arranged at the bottom of the base; the material supplementing pipe is fixedly arranged with the material stirring disc; the baffles are arranged in pairs, are respectively arranged at the upper end and the lower end of the material supplementing pipe and are jointly fixed with the hopper; the transmission structure is used for driving the material shifting disc to rotate; the reciprocating structure drives the adjusting plate to move reversely through the synchronous structure; the triggering structure drives the material stirring disc to rotate through a transmission structure and drives the adjusting plate to move reversely through a reciprocating structure and a synchronous structure; according to the front, middle and later periods of high-speed movement of the stirring shaft, different amounts of silver powder are put, uniformity and rapidness of the silver powder are guaranteed, and meanwhile the stirring shaft is protected.

The utility model discloses a waist lining one-time forming sewing device which comprises a workbench and a sewing machine, an auxiliary feeding assembly is arranged on the workbench at the front end of a presser foot of the sewing machine, a pressing assembly is arranged on the workbench at the rear end of the presser foot of the sewing machine, and the auxiliary feeding assembly comprises a first waist lining folder, a joint strip folder and a second waist lining folder. The first waist inside folder is detachably installed on the workbench through a first support, the joint strip folder is detachably installed on the workbench through a second support, and the second waist inside folder is detachably installed on the workbench through a third support. And the distances from the discharge holes of the first waist inside folder, the joint strip folder and the second waist inside folder to the presser foot of the sewing machine are gradually reduced. According to the device, the manufacturing procedures of the waist lining are effectively reduced, the manufacturing speed of the waist lining is increased, the manufacturing efficiency of the waist lining is improved, the requirement of operators for the proficiency degree is reduced, meanwhile, the manufacturing quality of the waist lining can be effectively improved, and the manufactured waist lining is uniform and good in quality.

The present invention belongs to the technical field of monoclonal antibody preparation, and specifically relates to a method for preparing a branched polypeptide that simulates the antigenicity of CD31 linear molecules. The method comprises the following steps: step 1. experimental material preparation; step 2. experimental instrument preparation; step 3. amino acid activation; step 4. amino acid connection to resin; step 5. removal of Fmoc protecting group of amino acid; step 6. peptide resin cleavage; step 7. polypeptide separation; step 8. polypeptide separation, purification and analysis. The invention successfully prepares monoclonal antibodies using branched peptide chains instead of linear peptide chains, which has production significance. This method reduces costs, speeds up preparation, and improves antibody quality. Peptide synthesis only takes a short time. The prepared monoclonal antibodies can be used for WB and IHC experiments, meeting the needs of different antigenic determinants. In short, the monoclonal antibodies prepared by branched peptide chains have the characteristics of precise positioning, low cost, high efficiency and versatility.

The invention discloses a process and a device for preparing a P-type silicon carbide crystal by a vapor deposition method, and relates to the technical field of silicon carbide crystal preparation. The device for preparing the P-type silicon carbide crystals through the vapor deposition method comprises a reaction cavity, an air supply mechanism is fixedly connected to the outer wall of the reaction cavity, a discharging mechanism is movably connected to the top of the reaction cavity, and an exhaust pipe is fixedly connected to the bottom of the reaction cavity. According to the process and the device for preparing the P-type silicon carbide crystals by the vapor deposition method, mixed gas uniformly enters the reaction cavity from the open pores in the reaction cavity, and the rotating connecting pipe drives the inner spiral plate to rotate, so that the mixed gas is pushed to be dispersed to the periphery at the top of the rotating disc; the gas in the reaction chamber generates a slight circulation effect, by-product gas at the bottom layer is dispersed in the reaction chamber, the gas is prevented from hindering the reaction of the substrate in the reaction chamber, and the preparation speed of silicon carbide is further improved.

The present invention patent discloses a celadon blank grinder, including a device housing, an exhaust device, a driving device, a first grinding plate and a second grinding plate. The exhaust device is provided at the upper end of the inner part of the device housing, a fixed rotating shaft is provided in the middle of the exhaust device, a driving device is provided in the middle of the fixed rotating shaft, a first grinding plate is provided at the lower end of the driving device and located in the middle of the fixed rotating shaft, and a plurality of evenly distributed extrusion devices are provided in the middle of the first grinding plate at a position corresponding to the driving device. Beneficial effect: The airflow generated by the extrusion pile when it moves up and down is effective to make the ground raw materials fly, and the flying powder is collected by the exhaust device to achieve the effect of collecting raw materials, thereby achieving the purpose of quickly collecting fine raw materials, and then achieving the effect of improving the efficiency of celadon preparation, and effectively avoiding the time of preparing a large amount of celadon blank raw materials.

In a method for producing a spiral coil (2), in particular for a spiral screen, a filament (4) is transported in the filament transport direction through a first channel section (8) of a first rotating body (7) and subsequently transported through a second channel section (9) of a second rotating body (10) rotating synchronously with the first rotating body (7). The filament (4) is then wound around a protruding winding core (13), so that a spiral coil (2) is produced from the filament (4) by continuous feeding of the turns of the filament (4) wound around the winding core (13). According to the invention, a heated heating fluid (15) flows with overpressure through the first channel section (8) and a second channel section (9) arranged immediately following the first channel section, and heats the filament (4) transported through the first channel section (8) and then transported through the second channel section (9). The filament (4) coming out of the second channel section (9) is deformed by a deformation device (12) before being wound onto the winding core (13).

The high-speed reaction kettle comprises a kettle body, one side of the upper end of the kettle body is provided with a feeding port, a plurality of diluent ports are arrayed in the kettle body below the feeding port, the inner end of each diluent port is provided with a cover cap, the upper end of each cover cap is a slope surface, the bottom end of each cover cap is an open end, and the lower end of each cover cap is provided with an opening. A guide groove is further formed in the kettle body below each diluent port, an annular diluent leading-in channel is arranged on the outer side of the kettle body, the diluent leading-in channel is composed of an outer wall of the kettle body and an annular coaming with a concave section, two fixing rings corresponding to the annular coaming are arranged on the periphery of the kettle body, and the outer end of each diluent port is located between the two fixing rings. According to the reaction kettle disclosed by the utility model, the diluent opening is formed in the periphery of the inner wall of the kettle body, so that a diluent uniformly slides down from the inner wall of the kettle body, is firstly mixed with a material adhered to the inner wall of the kettle body so as to be easily scraped off, and can be quickly and uniformly mixed with the material in the kettle body.

The utility model discloses an integrally formed furnace cover based on 3D printing, which comprises a furnace cover body, a heat insulation layer and a cooling layer are formed in the furnace cover body, a plurality of straight partition plates are vertically arranged in the cooling layer, arc-shaped partition plates are further arranged between the adjacent straight partition plates, and the arc-shaped partition plates are arranged in the furnace cover body. The arc-shaped partition plates divide the adjacent straight partition plates into inner cooling cavities and outer cooling cavities, connecting holes are formed in the middles of the surfaces of the arc-shaped partition plates, the two ends of the connecting holes communicate with the inner cooling cavities and the outer cooling cavities correspondingly, a water inlet cavity is formed in one end of the cooling layer, and water inlet holes are formed in the surface of the water inlet cavity. The furnace cover is integrally formed through the 3D printing technology, machining procedures are reduced, the manufacturing speed is increased, and the manufacturing difficulty is lowered; the interior of the furnace cover is divided into a heat insulation layer and a cooling layer, a plurality of cavities are formed in the cooling layer, cooling water circulates in the cavities to cool the furnace cover, heat leakage can be reduced through cooperation of the heat insulation layer and the cooling layer, and the cooling effect is improved.

The invention discloses a preparation method of a semiconductor device and the semiconductor device, and the method comprises the steps: providing a semiconductor structure layer which comprises a first surface and a groove structure formed by the sinking of the first surface, and the groove structure comprises an opening part; forming an insulating material layer on the first surface and the inner wall of the groove structure by adopting a plasma enhanced chemical vapor deposition process; and introducing dry etching gas from one side, deviating from the semiconductor structure layer, of the insulating material layer along a direction vertical to the first surface so as to carry out thinning treatment on at least partial region in the insulating material layer and form an insulating layer. According to the preparation method of the semiconductor device provided by the invention, the preparation efficiency of the insulating layer is improved, and meanwhile, the thickness uniformity of the insulating layer is improved.

The invention provides an intelligent roujiamo working system, which relates to the field of food technology, and aims to solve the technical problems in the prior art that the speed of manually making roujiamo is slow, high-temperature operation consumes a lot of physical strength of practitioners, and the quality of manually baked steamed buns is unstable, which affects the taste of consumers. The device comprises a refrigerated transmission component, a baking component, a meat clamping component, a packaging component and a control system which are arranged in sequence. The refrigerated transmission component is equipped with a conveying component, and a propulsion cylinder connected to the control system is arranged at the outlet end; the upper conveying mechanism and the lower conveying mechanism of the baking component are arranged with a dough cake conveying channel therebetween; the meat clamping component injects braised meat into the baked dough cake, and the made roujiamo is conveyed to the packaging station, and the packaging component bags and packages the roujiamo; the roujiamo made by the invention has stable quality and good taste, while improving the making speed of roujiamo, and the high degree of intelligence saves a lot of time for users.

The present application provides a kind of medical ozone therapeutic instrument capable of controlling the ozone concentration of ozone liquid.The medical ozone therapeutic instrument of the present application increases quantitative air pipe, quantitative water pipe and air pressure gauge on the basis of existing medical ozone therapeutic instrument.The quantitative air pipe can control the ozone dosage of single participation reaction in combination with air pressure gauge, and the quantitative water pipe can control the liquid water dosage of single participation reaction.Because the volume of quantitative air pipe and quantitative water pipe is fixed, the ozone concentration of ozone liquid can be realized by controlling the ozone air pressure in quantitative air pipe.Obviously, the present application realizes the accurate control of ozone concentration of ozone liquid by accurately controlling the proportion of ozone and liquid water.In addition, the atomizer can atomize liquid water into water vapor, which can be more fully contacted with ozone to ensure that ozone can be fully dissolved in water.The refrigeration module can make the mixed water vapor quickly cool and liquefy into ozone liquid, effectively ensuring that the output is liquid ozone liquid.

The utility model discloses dish steaming equipment which comprises an equipment main body, a fixed cover is arranged on the top of the equipment main body in a lap joint mode, a bolt is arranged in the fixed cover in a lap joint mode, the fixed cover is fixedly connected with the equipment main body through the bolt, a pressure relief assembly is arranged in the fixed cover, and a rotating assembly is arranged on the left side of the equipment main body. According to the dish steaming equipment, the threaded plates are driven by the rotating assembly to move face to face or back to back, so that the threaded plates drive the movable frames, the movable frames drive the filter plates to extend out of the interior of the equipment main body or reset, and dishes can be conveniently and automatically fed in or discharged out, and are in lap joint with the inner walls of the left side and the right side of the equipment main body through the threaded plates and the fixed plates during discharging; the steam is blocked, so that the condition that a worker needs to take out dishes after waiting for the steam to completely drift away after opening an equipment box door is prevented, the body is prevented from being scalded by high temperature, the dish making speed is increased, meanwhile, the loss of heat in the equipment is reduced, and the energy consumption is reduced.