134results about How to "Fix poor quality" patented technology

The invention provides a Ga-doped InP quantum dot with a core-shell structure and a preparation method of the Ga-doped InP quantum dot. The quantum dot comprises an InP nano-crystal core, a Ga-doped InGaP nanocrystalline middle layer and a shell layer, wherein the constitution of the Ga-doped InGaP nanocrystalline middle layer is InxGayP, and the constitution of the shell layer is ZnSezS(1-z), x / yis more than or equal to 1 and less than or equal to 9, and z is more than or equal to 0 and less than or equal to 1. The fluorescent emission wavelength of the quantum dot is continuous and adjustable in 610nm-780nm, particle sizes are uniform, and the half band width of an emission peak is obviously smaller than that of a pure InP quantum dot with the same wavelength. PH3 is taken as a phosphorus source, and the Ga-doped InGaP nanocrystalline middle layer is formed between the nano-crystal core and the shell layer, so that the defects caused due to the mispairing of crystal lattices of theInP quantum dot are relieved; and the Ga-doped InP quantum dot has the characteristics of low cost, environmental friendliness and simplicity in operation and can be widely applied to the fields of illumination, display and the like.

The invention discloses a uniform mixing industrial raw material stirring device. The uniform mixing industrial raw material stirring device comprises a box body, wherein the top of the box body is provided with a feeding hole; the two sides of the top of the inner cavity of the box body are provided with sliding chutes; the tops and the bottoms of the inner cavities of the sliding chutes are provided with buffer springs; one side, which is far away from the inner wall of each sliding chute, of each buffer spring is fixedly connected with a separating plate; the inner sides of the separating plates are provided with screen clothes; fixed plates are arranged in the centers of the inner sides of the separating plates. In the uniform mixing industrial raw material stirring device, a first stirring rod, a first driven wheel, a belt, a motor, a second driving wheel, a first driving wheel, a second driven wheel, a second stirring rod and a stirring shaft are used in a matching way, so that raw materials of a refractory material can be uniformly stirred, the quality of a finished refractory material is enhanced, the problem of low quality of the machined finished refractory material caused by non-uniform stirring and mixing of the raw materials of the refractory material is solved, and the quality of the finished refractory material is improved greatly.

The invention provides a forming device and a forming method for a corrugated foil of a metal honeycomb core. The forming device comprises a frame and two forming mechanisms, wherein two forming mechanisms are vertically arranged in the frame in parallel, each forming mechanism mainly comprises a drive chain wheel rotatably arranged on the frame, a driven chain wheel rotatably arranged on the frame and spaced with the driven chain wheel, a chain sheathed on the drive chain wheel and the driven chain wheel, multiple forming toothed bars connected with the chain in sequence through chain accessories, a tension device docked with the inner side of the chain so as to tense the chain through the tension device, a slide guide mechanism located at the inner side of the chain, a pressure application device arranged on one end of the slide guide mechanism, and a setting device arranged on the other end of the slide guide mechanism. According to the forming device and the forming method, the forming efficiency is improved, the forming quality is ensured, the complexity of the forming device is reduced, and automatic production of forming of the corrugated foil is realized.

Ceramic mould preparation gypsum powder includes a main material and an auxiliary material, the main material component includes desulfurization gypsum and citric acid gypsum with the mass ratio of 3:1-5:1; the auxiliary material includes a retarder, calcium sulphate whisker and quick lime, the retarder accounts for 0.01-0.05 % by mass of the main material, the calcium sulfate whisker accounts for 0-2 % by mass of the main material, and the quick lime accounts for 0-2 % by mass of the main material. The preparation method of the ceramic mould preparation gypsum powder is as follows: (1) the desulfurization gypsum and the citric acid gypsum are put into a fluidized bed calcining system for calcining; (2) the calcined main material is ground by grinding equipment; (3) the ground main material is added with the auxiliary materials for modifying. The gypsum powder water absorption rate is high, condensation expansion rate is restrained, and the intensity is high.

The invention relates to a sulfide target cosputtering preparation method of a CZTSSe film and a product thereof. The cosputtering preparation method of a copper-zinc-tin-sulfur-selenium (Cu2ZnSn(SSe)4, CZTSSe for short) film absorption layer comprises the following steps: (1) preparing a Cu-Zn-Sn-S precursor prefabricated film on a soda-lime glass substrate by using a sulfide target by a cosputtering technique; (2) carrying out direct vulcanization-free high-temperature annealing treatment on the Cu-Zn-Sn-S precursor prefabricated film obtained by cosputtering to prepare a copper-zinc-tin-sulfur (Cu2ZnSnS4, CZTS for short) film absorption layer; and (3) preparing the Cu-Zn-Sn-S precursor prefabricated film by using the optimized preparation scheme in the step (2), and preparing the CZTSSe film absorption layer by using a solid selenium source (Se powder) selenizing annealing technique. The product CZTS / CZTSSe film has higher photoabsorption coefficient, and is an ideal film solar cell material.

The invention provides a method of picture processing and an electronic equipment. The method of picture processing comprises the steps of obtaining a first image and a second image, corresponding to different shooting angle; conforming reflective area in the first image through the first image and the second image; inpainting the reflective area in the first image. The method of picture processing can inpaint the reflective area in picture shot across glass by electronic equipment, quality of picture shot by electronic equipment is promoted.

The invention provides a large-ratio lean coal coking method which comprises the following steps: uniformly mixing the following coal: 50-60wt% of coal of which Rmax is 1.5-1.7%, 10-15wt% of coal of which Rmax is 0.6-0.9%, 15-25wt% of coal of which Rmax is 0.9-1.2% and 10-25wt% of coal of which Rmax is 1.2-1.5%; transferring into a stamp-charging coke oven; and under the conditions that the machine side temperature is 1315-1325 DEG C, the coke side temperature is 1325-1335 DEG C, the coke cake center temperature is 970-1000 DEG C, the observation hole pressure is 5-10 pa, the gas collecting tube pressure is 100-120 pa and the branch gas flue suction force is 235-245 pa, coking for 25-28 hours to obtain coke meeting the requirements of blast furnace ironmaking. Thus, the invention effectively solves the problems that the coke quality is poor due to lean coal large-ratio coking and coke in the coke oven is difficult to push in the coking process, reduces the coke pushing current by 50 Amperes, effectively lowers the coal blending cost and solves the problem on shortage of coal resources.

The invention discloses a coal gangue brick and a preparation method thereof. According to the technical scheme, the coal gangue brick comprises the following components in parts by weight: 60-70 parts of coal gangue with a calorific value of 1800kJ / mol-2000kJ / mol, 20-30 parts of coal ash, 2-3 parts of Kathon, 5-8 parts of aluminum dihydrogen phosphate and 4-6 parts of a pore-forming agent, wherein the pore-forming agent comprises the following components in parts by weight: 2-5 parts of saw dust, 6-10 parts of rice husk, 20-30 parts of sodium carbonate, 30-40 parts of float stone and 30-40 parts of perlite. According to the coal gangue brick and the preparation method thereof, by adding the pore-forming agent, the purpose of increasing porosity in a brick body is achieved; meanwhile, by changing the components and processing process of the pore-forming agent, a lime blowing phenomenon of the brick body is avoided.

The invention provides a metallization coating method for a through hole of a film circuit. A magnetron sputtering vacuum coating technology is adopted for achieving metallization coating of the through hole of the ceramic circuit. The coating technology has the biggest beneficial effect that deposited materials are not limited and can be used for achieving coating as long as the deposited materials can be made in to target materials. In addition, the coating technology has the beneficial effects that film forming equipment is simple, repeatability is good, the film layer is firm, and the technology is suitable for metallization deposition of base plates with complex patterns, especially base plates with holes. The method that high-temperature adhesive is attached to the back face and then the front face is subjected to metal coating is adopted, so that the problem that during sputtering, the film layer is poor due to diffraction of target material atoms is solved; and in addition, a substrate on the back face is protected against pollution due to the high-temperature adhesive, and the beneficial effects that operation is simple, cost is low, and the attaching force with the substrate is good are achieved. The problem that the diffraction phenomenon happens to the periphery of the hole during practical operation and the sputtered film layer is not firm due to the problems of sputtering coating equipment and base plate hardware is solved.

The invention relates to a method for realizing laser zirconium nitride-based amorphous alloy surface planarization through laser polishing, and belongs to the technical field of amorphous alloy surface modification. The surface of a laser zirconium nitride-based amorphous alloy is subjected to laser polishing in a nitrogen atmosphere by utilizing heat generated by focusing laser on the surface of a material, so that the surface is re-melted, and the surface roughness is reduced. The method effectively solves the problem of poor surface quality of the existing laser zirconium nitride-based amorphous alloy. The surface roughness of the laser zirconium nitride-based amorphous alloy is regulated and controlled by changing laser polishing parameters. The method is simple in implementation process, high in efficiency and high in practicability, and can be applied to reducing the surface roughness of the laser zirconium nitride-based amorphous alloy and enhancing the practical application of the laser zirconium nitride-based amorphous alloy.

The invention discloses a V-process casting molding automatic coating device, which comprises a lifting vibration trolley, a die, rack supporting legs, an upper supporting wheel rail, a pipe cable bridge frame, a lower supporting rail, an automatic coating rack and an automatic coating system, wherein the die is placed on the lifting vibration trolley; the upper supporting wheel rail and the lower supporting rail are fixedly connected on the rack supporting legs; the automatic coating rack is provided with an axle which moves on the upper supporting wheel rail and the lower supporting rail; the automatic coating system is arranged on the automatic coating rack and comprises a film supporting and cutting mechanism, a lifter, a lifter connecting rod, a heater, an elastic component, a film frame, a guide mechanism and a film cabinet; and the lifter is fixedly connected with the automatic coating rack. The device solves the problem of poor coating quality, greatly improves the production efficiency, obtains a film with the same size as the die and reduces the cost; and the whole operating process only needs 1 to 2 persons.

The present invention relates to in-situ spraying process of protective polyurethane plastic foam layer, and features that at the environment temperature of -60 to +10 deg.c, polyurethane plastic is first heated and then sprayed with one sprayer to form coating on the surface of the base body, and the coating is finally heated with heater to foam and form foamed protective polyurethane plastic layer. Compared with available technology, the present invention has the advantages of lower construction temperature, high performance of the protective polyurethane plastic foam layer, simple construction process, low cost, etc.

The embodiment of the invention provides a super-resolution reconstruction method, system and device for an underwater fish image. The method comprises the steps of obtaininga low-resolution fish original image shot by an underwater camera; and inputting the low-resolution fish original image into a generator network in an image super-resolution reconstruction model, and obtaining a super-resolution reconstructed high-resolution underwater fish image corresponding to the low-resolution fish original image. The device comprises an underwater camera, a light source, an illuminance transmitter and a control processor, wherein the illuminance transmitter can sense the light intensity of the environment so as to control the illumination intensity of the light source through the control processor to supplement light for the underwater camera. According to the embodiment of the invention, the method achieves the high-resolution reconstruction of the low-resolution fish original image throughthe construction of the generation and judgment network model, solves a problem that the collected underwater fish image is poor in quality because of the low and non-uniform illuminance of a culturesite and the turbidity of a water body, and provides an accurate, continuous and consistent basis for the detection of small target fishes.

The invention belongs to the technical field of agricultural machinery, and particularly relates to a belt-shaped seedbed stubble clearing device. The device is composed of a soil cutting and digging device, a soil separating device and a power transmission mechanism which are installed on a machine frame, wherein the soil cutting and digging mechanism is composed of a machine frame front beam connecting plate, an adjusting spring, a mechanism adjusting rod set, a soil cutting disc assembly, a soil cutting plate and a soil cutting plate adjusting rod set, the soil separating device is composed of a grid fixing plate, a primary soil separating mechanism and a secondary soil separating mechanism, and the power transmission mechanism is composed of a soil separating power chain wheel, a seeding power chain wheel, a middle chain wheel shaft, a transmission chain and a transmission chain wheel. When a seeding machine moves forwards, the soil layer in a belt-shaped seeding zone is cut and conveyed to the soil separating mechanism through the soil cutting and separating device, a primary soil separating wheel and a secondary soil separating wheel are driven by the chain wheels and chains to rotate, so that soil is separated from straw and stubble in a seedbed, and then a seed channel is pressed by a pressing device, so that a sound seedbed environment is created.

The invention discloses a method for preparing crystal fish particles of a freshwater fish, and belongs to the processing technical field. The method comprises the following steps: taking fresh fillets or frozen fillets as raw materials, rinsing and soaking the raw materials, cutting the raw materials into cubes, preparing seasonings, mixing the seasonings and the cubes, performing individual quick freezing on the cubes, and performing cold preservation on the cubes to obtain the product of the crystal fish particles. The product solves the problem that the fish particles have poor quality after being pasted and frozen and overcomes the difficulty that the fish particles become loose after heating. After being cooked, the fish particles are crystal clear and as white as a polished jade; and after being mixed with green soya beans, corn kernels and chopped carrots, the fish particles are richer in nutrition and easily digested and absorbed. By processing fish meat into the crystal fish particles, the invention provides a new method for processing fishes, which enriches the categories of fish frozen conditioning products and can bring about great economic benefit.

The invention discloses vertical electroplating equipment. The vertical electroplating equipment structurally comprises an electroplating machine, lifting handles, a roll barrel water filtering bracket, a filter, an electric cabinet and an anode bar; the electroplating machine is composed of a vertical case, a movable installation frame, a cleaning hairbrush, an electroplating device, a cathode copper fork and an electroplating bath, the electroplating machine utilizes the motor to drive an electroplating roll barrel to rotate through a motor shaft, the electroplating roll barrel can enable small-size workpieces to be orderly constrained on the inner wall of the electroplating roll barrel through hardware fitting inserting strips, and the situation that the workpieces fall out of an electroplating fixture, and thus, the workpieces are damaged is prevented; a filtering inner barrel enables an electroplating solution to be filtered and permeate onto the surfaces of the workpieces througha filtering net under the hardware fitting inserting strips, and the electroplating efficiency is improved; and the electroplating roll barrel conducts flat scanning electroplating on the workpiecesin the hardware fitting inserting strips through a flat scanning mechanism, and the quality of electroplating layers of the workpieces is improved.

The present invention discloses a device used for controlling the slab processing. The device comprises a support, a pressure plate, a hydraulic pump, a pedestal, a plurality of corrugated plates, chute bases and clamping blocks, the telescopic plates are arranged at the left and right sides of the pedestal, and the baffles are in hinge joint with the front and back sides of the pedestal. The telescopic plates and the baffles define a laminating cavity, the chute bases are equipped with the chutes, and the upper and lower ends of the telescopic plates are both equipped with the supporting plates. The supporting plates and the chute bases are connected via the plurality of corrugated plates, and the chute bases are also connected via the plurality of corrugated plates. The middle parts of the clamping blocks are equipped with the spring leaves, the cross-sections of the spring leaves are arc-shaped, the fastening blocks are fixedly connected with the middle parts at the outer concave sides of the spring leaves, and one ends of the fastening blocks far away from the clamping blocks are connected in the chutes slidably. The electric heating plates are arranged at the two sides of the clamping blocks, and the side pressure plates are connected at the left and right sides of the pressure plate slidably. Compared with the prior art, the device is convenient to operate, enables the upper and lower surfaces of a PCB to be heated uniformly during the process of laminating the PCB, and is better in heating effect, so that a processed slab is better in quality.

The invention provides a battery electrode paste agitator with a cooling function. The battery electrode paste agitator with a cooling function comprises an elevating table and an agitator body, wherein the top of the agitator body is provided with a feed port; a cap is arranged on the feed port; the top of the inside of the agitator body is fixedly provided with an agitator tank; and a gap is left between the outer wall of the agitator tank and the inner wall of the agitator body. By arranging an air inlet pipe, a second motor, fan blades and an air outlet, the heat in the agitator tank is quickly dissipated; the gap and condensation water are arranged, so that the heat in the agitator cavity is further absorbed by the condensation water; and by arranging pinholes in the spiral agitator arm, the heat generated by friction in the agitation process is reduced, thereby achieving the cooling effect in the battery electrode paste agitation process, and solving the problem of deterioration of electrode paste quality since the overhigh temperature in the agitation process can destroy the structure of the electrode paste composition.

The present invention discloses an image processing method and apparatus for an LED display screen. The image processing method for an LED display screen comprises: receiving original image data; acquiring information of original pixels according to the original image data, wherein the original pixels are pixels distributed on a panel of the LED display screen according a preset rule, and the information of the original pixels comprises color information of the original pixels and position information of the original pixels; performing calculation on the information of the original pixels according to a preset algorithm to obtain information of target pixels, wherein the target pixels are pixels that do not comply with a preset distribution rule, the information of the target pixels comprises color information of the target pixels and position information of the target pixels; and according to the color information of the target pixels and the position information of the target pixels, controlling an image corresponding to the original image data to be displayed on the panel of the LED display screen. According to the method and apparatus provided by the present invention, quality of images displayed by the LED display screen is improved.

The invention discloses a health type air conditioner air duct system. The health type air conditioner air duct system comprises a health type air conditioner terminal device, a plurality of silencingair supply devices, a plurality of silencing air return devices and an air supply pipeline which are connected with or connected with the silencing air return devices, an air return pipeline, a freshair pipeline, an exhaust pipeline, an air supply grille and an air return grille. The devices and the pipelines form a complete air conditioner air duct system, the fresh air pipeline is used for supplementing fresh air to the room, and the air exhaust pipeline is used for exhausting redundant air in the room, so that indoor air pressure is prevented from being too high. Compared with the prior art, the health type air conditioner air duct system has the advantages that indoor environment problems can be fundamentally solved, so that a comfortable and healthy living and working environment isprovided for people, and the energy consumption of air conditioner equipment is reduced, while poor indoor air quality, a lung disease of bacterial infection caused by the fact that people stay in anair-conditioned room for a long time, tinnitus caused by noise, colds and bone joint pains caused by the large heat exchange temperature difference, air-condition diseases such as parched mouths andscorched tongues caused by drying caused by low relative humidity in winter are fundamentally solved.

The invention relates to the technical field of printing gold stamping, in particular to a non-alumite gold stamping product and a preparation process thereof. The preparation process of the non-alumite gold stamping product comprises the following steps that A, a combination plate is prepared, specifically, a gold stamping plate and a laser nickel plate with graphics and text information being carved are subjected to alignment and laminating through high temperature resistant glue to prepare the combination plate; B, paper is coated, specifically, the position, needing gold stamping, of the paper is coated with thermoplastic light oil or high-reflectivity coating to prepare a coating layer; and C, coating and gold stamping are conducted, specifically, the combination plate prepared in the step A is subjected to lock up and put on a machine, the coating layer prepared in the step B is pressed and subjected to gold stamping, and the non-alumite gold stamping product is prepared. The graphics and text information of the laser nickel plate can be printed on the paper in a hot stamping mode under the condition of no alumite medium, various laser effects can be shown on the paper through one procedure, the production cost is low, durability is good, the customization period is short, safety and environmental friendliness are achieved, and the multi-batch and small-amount production requirements are met.

The invention discloses a combined seepage interception wall structure capable of running through a complicated strong permeable bed and a construction method. The wall structure is characterized in that the wall structure is formed by combining an inner wall, a middle wall and an outer wall from outer side to inner sides in sequence, wherein the inner wall and the outer wall are formed by triaxial mixing piles; and the middle wall is formed by a high pressure rotary spray pile. According to the combined seepage interception wall structure, the wall structure is formed by combining three rows of piles; the structure solves problems of bad wall quality in a normal construction and reduces difficulties in an extreme construction; generally, the wall structure is more economical and safer than that of extreme seepage control measures; and the invention further discloses a construction method for the combined seepage interception wall structure capable of running through the complicated strong permeable bed.

The invention discloses an address information detection method and system, electronic equipment and a storage medium. The detection method comprises the steps of obtaining a to-be-detected address; respectively calculating a first similarity between the to-be-detected address and each legal address in an address library under the corresponding administrative address level; calculating a target similarity based on the plurality of first similarities; judging whether the target similarity is smaller than a set threshold value or not, and if yes, determining that the to-be-detected address doesnot meet the requirement. According to the invention, the problem of poor address quality is solved, the logistics transfer and delivery efficiency is improved, and the use experience of a user is also improved.

The invention relates to artificial intelligence, and provides a poem generation method comprising the following steps: obtaining theme information of a poem to be generated; inputting the theme information into a poem prediction model to generate an initial candidate poem set; inputting candidate poems in the initial candidate poem set into a preset n-gram language model to generate a target candidate poem set; carrying out escort screening processing on candidate poems of the target candidate poem set according to a preset escort rule, and calculating a repetition rate of each poem to be screened; and carrying out poem repetition rate screening on the plurality of poems to be screened according to the repetition rate to obtain a target poem. Through adoption of the poem search method, the initial candidate poem set obtained by predicting the poem search method is screened through the poem fluency, the poem escort and the poem repetition rate, the smoothness, the escort performance and the non-repeatability of the generated poems are improved, and the problem of poor poem generation quality in the prior art is solved.

The invention relates to a small full-automatic feeding high square plansifter flour mill. The flour mill at least comprises a feeding device, a grinding device, a screening device, an intelligent material distribution device and a bucket feeder device. The feeding device, the grinding device, the screening device and the intelligent material distribution device are connected in sequence. The intelligent material distribution device is arranged on the upper portion of the bucket feeder device and the feeding device. Flour is entered the grinding machine through the feeding device. First powderafter being grinded by the grinding device is transferred to the screening device for screening. Second powder after being screened is transferred to the intelligent material distribution device. Theintelligent material distribution device divides the second powder into flour, flour center and flour skin. The flour is collected by the bucket feeder device, the flour center and the flour skin arecorrespondingly entered into the grinding device once again through the feeding device for multiply being grinded, and the grinding is stopped until the flour and bran are separated. Compared with the flour grinded by a traditional grinding system, the quality of the flour processed by the grinding system is doubly improved.

The invention discloses a facility capable of enhancing circular cutting forming stability during electric instrument board maintenance. A support table is provided with a mounting plate; the mounting plate is provided with a motor and a gas pump; the motor and gas pump are fixed to the mounting plate; the motor is connected with a rotating shaft; telescopic arms are arranged below the support table, fixed to the rotating shaft and connected with a cutting device; the telescopic arm 1 is fixed to the rotating shaft, and the telescopic arm 2 is arranged in the telescopic arm 1; the telescopic arm 2 is fixed to the cutting device; a sliding chute is arranged on the telescopic arm 1; the telescopic arm 1 is provided with a through hole which communicates with the sliding chute; a waist hole is arranged in the telescopic arm 2, and a locking pin is arranged in the waist hole; support legs are arranged outside the mounting plate and fixed to the mounting plate; each support leg is fixedly provided with a sucker which is connected with a gas pipe; and the gas pipe communicates with the gas pipe and the gas pump. The facility can be firmly adsorbed onto the table top, so that the stability during glass cutting is enhanced, and the cut is flat and has uniform radian, thereby enhancing the cutting quality.

The invention discloses a soldering paste stirring device for production of a computer mainboard. The soldering paste stirring device comprises a stirring base; a double-layer stirring barrel with a hollow structure inside is arranged above the stirring base; the upper end of the double-layer stirring barrel is provided with a raw material adding opening; a closed opening cover is arranged at theupper end of the raw material adding opening; and a multistage stirring mechanism, an electric heating mechanism, a vacuumizing device and a shielding gas device are arranged inside the double-layer stirring barrel, wherein the electric heating mechanism is used for heating production raw materials, the vacuumizing device is used for carrying out vacuum treatment on the raw materials in the double-layer stirring barrel, and the protective gas device is used for filling the double-layer stirring barrel with shielding gas. The soldering paste stirring device has the advantages that the stirringeffect is guaranteed, the production quality of the soldering paste is improved, the quality difference of the soldering paste caused by uneven stirring is avoided, and the phenomena that air enters the device, so that a large amount of bubbles are easily generated in the soldering paste, and then the surface mounting effect of the soldering paste during subsequent production of the computer mainboard is influenced can be effectively avoided.

The embodiment of the invention discloses a preparation method of an aluminum-containing alloy coating in an atmospheric atmosphere, and relates to the technical field of high-temperature plasma application and the field of material protection. The preparation method comprises the steps that firstly, to-be-sprayed metal powder is prepared, wherein the metal powder comprises a base alloy containingan aluminum element and a carbon source existing in the base alloy containing the aluminum element in different forms; secondly, the metal powder is fed into a high-temperature plasma jet flow in theatmosphere, so that the metal powder is heated to a molten state exceeding 2000 DEG C through the high-temperature plasma jet flow and deposited on the surface of the base body to form the aluminum-containing alloy coating which is consistent and uniform in coating quality; in the process that the metal powder is heated to the molten state through the high-temperature plasma jet flow, the aluminum element in the metal powder is preferentially oxidized, and aluminum oxide is formed; and when the metal powder is heated to be higher than 2000 DEG C, the carbon source is preferentially oxidized to form a carbon-oxygen compound to volatilize, and meanwhile the carbon source reduces aluminum oxide formed in the earlier stage into an aluminum elementary substance.

The invention discloses a growing method of a vertical structure power device epitaxial layer and a power device. The growing method mainly comprises the steps that (1) one or more epitaxial transition layers grow on a smooth substrate; (2) the surfaces of the epitaxial transition layers are subjected to partial etching treatment, so that epitaxial transition layers with rough faces are formed; and (3) after treatment in the step (2), a target epitaxial layer grows on the rough faces of the epitaxial transition layers. According to the growing method, the steps are simple, implementation is easy, the epitaxial layers growing through the method are good in quality, after the substrate is separated in the following step, the epitaxial layers can be kept in good smoothness, and following processes can be well achieved.

The invention discloses a vibration shaking sieve used for a finished product bin based on sand lime brick production. The vibration shaking sieve comprises a supporting part and a driving part, wherein the supporting part comprises a fixing frame and a motor support located at one end of the fixing frame; the driving part comprises a motor, a transmission shaft and a connecting rod, a big belt wheel is installed at one end of the transmission shaft and connected with a small belt wheel located on a main shaft of the motor through a belt, an eccentric wheel is installed at the other end of the transmission shaft, and the eccentric wheel is connected with a sieve body through the connecting rod. Due to the structure, block materials are effectively vibrated into optimal powder which is suitable for forming sand lime bricks in the uniform reciprocating motion process of the shaking sieve. Meanwhile, impurities and waste which are contained in the materials can be separated from the materials which are vibrated into the powder in the reciprocating motion process of the shaking sieve, the product quality is improved, and the die abrasion is reduced.