43results about How to "Diffuse fully" patented technology

According to the method, a one-pot copolymerization method is adopted, MBAA and borax serve as cross-linking agents, zwitterionic polyelectrolyte hydrogel containing SBMA, PVA, THMA and AMPS is prepared, and the zwitterionic polyelectrolyte hydrogel has excellent adhesion performance and biocompatibility and is suitable for the field of biological medicine. According to the method, the physical characteristics of the hydrogel are enhanced due to crosslinking sites and hydrogen bonds of polyvinyl alcohol. The cationic and anionic groups of SBMA improve the adhesion performance, and the reaction monomer THMA provides hydrogen-bond interaction to further promote adhesion, so that the prepared hydrogel adhesive shows excellent adhesion performance and biocompatibility, and is suitable for biological medicine application of wound dressing, drug release systems, tissue engineering and the like.

The invention discloses a hydrogen embrittlement-resistant aluminum-lithium alloy and a preparation method thereof. In order to improve the hydrogen embrittlement resistance of the aluminum-lithium alloy, the element Li is injected into the two faces of the thin-plate-shaped aluminum alloy through vacuum ion injection treatment, then all the elements are fully diffused in a vacuum annealing mode, brittle Li H and Li3A1 H6 phases formed during smelting in the prior art are avoided, and then the aluminum-lithium alloy with the excellent hydrogen embrittlement resistance is obtained. In addition, the metal Hf is added into the aluminum-lithium alloy, so that the ductility of the aluminum-lithium alloy can be effectively improved. Researches show that with the increase of the content of the Hf element, the elongation of the aluminum-lithium alloy is in a trend of increasing first and then decreasing. And on the basis of metal aluminum, when the proportion of Hf is 0.9 wt%-3.5 wt%, the ductility of the alloy material is higher than 10%.

The utility model relates to the technical field of rectification, in particular to an efficient rectification device which comprises a rectification tank, a reboiler and a condenser arranged at the top of the rectification tank, a feeding pipe is communicated with the middle of the side wall of the rectification tank, a feeding valve used for controlling feeding of the feeding pipe is arranged on the feeding pipe, a plurality of filter discs are evenly arranged in the rectification tank, and the reboiler is communicated with the condenser. A material scraping mechanism for scraping reaction materials on the inner wall of the rectification tank and preventing the materials from being adhered to the inner wall of the rectification tank during rectification is arranged in the rectification tank. When a gas phase and a liquid phase reversely flow in the rectification tank, the gas phase and the liquid phase are contacted on the filter discs for mass transfer due to the arrangement of the plurality of filter discs, so that the gas phase and the liquid phase are fully diffused on the filter discs, the contact area of countercurrent contact of the gas phase and the liquid phase is increased, the gas phase and the liquid phase are fully subjected to interphase heat and mass transfer, and the gas phase and the liquid phase are fully separated from each other. The volatile components in the liquid phase enter the gas phase, and the non-volatile components in the gas phase are transferred into the liquid phase, so that the rectification efficiency is improved.

The invention discloses a sea urchin-shaped material which is integrally in a spherical sea urchin shape, and the diameter of the sea urchin-shaped material is 3.0-6.0 [mu] m; nanotubes are arranged on the periphery of the spherical sea urchin shape; small spheres with core-shell structures are uniformly embedded in the interior of the base body of the spherical sea urchin-shaped material and at the tops of part of the nanotubes. The invention further discloses a preparation method of the sea urchin-shaped material and application of the sea urchin-shaped material to preparation of a hydrogen peroxide electrode material through an electro-catalysis two-electron oxygen reduction reaction. The sea urchin-shaped material disclosed by the invention has excellent electro-catalysis two-electron oxygen reduction performance.

The invention provides a motor and a motor system, the motor comprises a casing, and a stator core, a rotor core and a rotating shaft which are located in the casing, the rotor core sleeves the rotating shaft, the stator core surrounds the rotor core and is fixed on the inner circumferential wall of the casing, an air gap is arranged between the rotor core and the stator core, a winding is arranged on the stator core, and the winding is wound around the rotor core and is fixed on the inner circumferential wall of the casing. An annular isolation cover is further arranged in the machine shell and comprises an annular partition plate and a cylindrical partition plate, the outer edge of the annular partition plate is fixed to the inner wall face of the machine shell, the cylindrical partition plate is connected to the inner edge of the annular partition plate, a containing cavity is formed between the cylindrical partition plate and the wall face of the machine shell, and the part, protruding out of the stator iron core, of the winding is located in the containing cavity. The casing is provided with a first injection hole, the outer side of the peripheral surface of the stator core is provided with a first flow channel, and one end of the first flow channel is communicated with the first injection hole and the accommodating cavity, so that the technical problem of poor cooling effect of the stator winding in the motor in the prior art can be solved.

The utility model discloses a pool wall spraying maintenance device, which relates to the technical field of concrete spraying maintenance equipment, and comprises a pool wall, a spraying system, a support system, an automatic water supply system, a water delivery hose, a three-way joint and a water supply line, the spraying system is fixedly arranged on the support system, the spraying system is fixedly arranged on the pool wall through the support system, and the automatic water supply system is fixedly arranged on the pool wall through the water delivery hose. The water delivery hose and the water supply line are both communicated with the automatic water supply system, and the three-way connector is arranged on the water delivery hose and used for being connected with the spraying system in series. According to the device, the safety risk during maintenance construction of the pool wall of the water pool of the sewage treatment plant can be obviously reduced, the device needs manual intervention during installation, other working states are all automatic, the manual high-altitude operation time is shortened, and the probability of safety accidents during maintenance construction is reduced.

The embodiment of the invention provides an adsorption column experimental device. The adsorption column experimental device comprises a shell assembly and a sieve plate, the shell assembly is provided with a containing space, an air inlet channel and an air outlet. The sieve plate is arranged in the accommodating space so as to divide the accommodating space into an adsorption cavity and an overflowing cavity; the air inlet channel is communicated with the overflowing cavity, the air outlet is communicated with the adsorption cavity, so that an air flow path which passes through the overflowing cavity and the adsorption cavity in sequence from the air inlet channel to the air outlet is formed, and at least the position where the air inlet channel is communicated with the overflowing cavity is located on the side, close to the adsorption cavity, of the overflowing cavity. According to the adsorption column experimental device, airflow distribution in the accommodating space can be improved, so that the utilization rate of an adsorbent is increased.

A high-alloy steel electroslag ingot and its homogenization method are provided, comprising the following steps: S1, electroslag ingot pretreatment: removing surface oxide scale and crack defects, and grinding to a surface roughness Ra≤6.3μm; S2, staged heating: heating to 800-900℃ at a rate ≤100℃ / h and holding for 2-6h; heating to 1000-1100℃ at a rate ≤100℃ / h and holding for 2-6h; heating to 1200-1300℃ at a rate ≤150℃ / h and holding for 10h. -20h; S3, Stepped cooling: Turn off the heating device and cool with the furnace to 800-1000℃, hold for 2-6h; cool to 500-650℃ at a rate of ≤50℃ / h, hold for 2-6h; open the furnace door and introduce cooling air at a speed of 0.5-3m / s to cool to room temperature, obtaining homogenized high-alloy steel electroslag ingots; S4, Post-homogenization testing: the relative standard deviation of each alloying element is ≤5%; the average grain size is ≤10μm; the Brinell hardness fluctuation range is ≤15HBW. This invention eliminates component segregation, refines grain structure, optimizes process parameters, is highly efficient and energy-saving, easy to promote, and has strong practicality.

The application belongs to the technical field of metal materials, and discloses a high-strength and high-toughness medium-manganese steel based on warm rolling and deep cryogenic treatment and a preparation method thereof. The preparation method comprises the following steps: combining a specific warm rolling process (720 DEG C~760 DEG C) with liquid nitrogen deep cryogenic treatment (soaking for 0.3~0.6h) and supplementing low-temperature tempering (180 DEG C~220 DEG C). The process induces deformation through warm rolling, promotes the transformation and refinement of austenite into martensite in combination with deep cryogenic treatment, and then eliminates internal stress and precipitates fine carbides through low-temperature tempering, so as to synergistically control the microstructure. The technical bottleneck that the strength and plasticity of traditional medium-manganese steel are difficult to be compatible is effectively solved, and the organization is super-refined and the stability is improved. The obtained medium-manganese steel has a good match between ultra-high strength and excellent plasticity, the yield strength is greater than 1800MPa, the tensile strength is as high as 2300MPa, the elongation after fracture is more than 17%, and the comprehensive mechanical properties are significantly improved.

The invention discloses a high-stability rubidium-boron-silicon superhard compound and a preparation method thereof, and belongs to the technical field of superhard materials, the superhard compound is a composite structure block material formed by taking rubidium-boron-silicon as a basic framework and introducing an alkali metal regulator; the composite structure comprises a high-entropy ceramic matrix and nano twin crystals distributed in the matrix; the high-entropy ceramic matrix is a solid solution consisting of rubidium, boron, silicon and alkali metal cations introduced by the alkali metal regulator; the nano twin crystal is a lamellar crystal structure with coherent twin boundaries; through collaborative innovation of a material system and a preparation process, the rubidium-boron-silicon superhard compound with ultrahigh hardness and excellent thermal stability is developed, and a brand new solution is provided for superhard materials serving in an extremely high-temperature environment.

The present application discloses an optical lens and an electronic device. The optical lens includes, in order from the first side to the second side along the optical axis: a first lens with negative optical power, whose first side is convex and whose second side is concave; a second lens with optical power, whose first side and second side are at least convex; a third lens with optical power, whose first side is concave and whose second side is convex; a fourth lens with positive optical power, whose second side is convex; a fifth lens with positive optical power, whose first side is convex; and a sixth lens with positive optical power, whose second side is convex; the optical lens satisfies R1 / TTL≥4 and ‑6≤R6 / T34<0, wherein R1 is the radius of curvature of the first side of the first lens, TTL is the distance from the center of the first side of the first lens to the imaging surface on the optical axis, R6 is the radius of curvature of the second side of the third lens, and T34 is the air interval between the third lens and the fourth lens on the optical axis.

This application provides a diffusion furnace, comprising a diffusion furnace body, a containment space enclosed by the diffusion furnace body, a support boat, and temperature control rods. The support boat is disposed within the containment space along a first direction, and the temperature control rods are disposed within the containment space along a second direction, on the side away from the support boat. The first and second directions are perpendicular to each other. The containment space includes multiple different temperature control zones, and multiple temperature control rods are respectively disposed within the multiple temperature control zones and fixed to the inner wall of the diffusion furnace body corresponding to the temperature control zones. Thus, this structure allows for temperature adjustment of different temperature control zones within the containment space via the temperature control rods, ensuring the uniformity of the diffusion gas within the containment space, resulting in sufficient chip diffusion and thereby improving chip yield.

The application discloses a kind of bottle residual gas safety processing mechanism for gas production, it is related to gas processing technical field, including processing tank, the downward two sides of processing tank are respectively provided with the interface for residual gas supply and discharge, and the side of processing tank is fixedly connected with mounting bracket, and the inside of mounting bracket is fixedly connected with the liquid tank of containing filter liquid, and the inside of processing tank is fixedly connected with the filter plate for filtering gas.The bottle residual gas safety processing mechanism for gas production, the side of rotating ring is fixedly connected with driving plate, liquid tank inside water flows to rotating ring, will impact the driving plate of inclined arrangement, under the action of water flow impact force, rotating ring will be around its central axis stable rotation, in the rotating ring rotation process, with the rotation of rotating ring, its below spray pipe also rotates, so that filter liquid is evenly sprayed in the form of rotary spray in processing tank inside, expands the spray coverage, so that gas and liquid can be more fully contacted and mixed, improves the dissolution and washing effect of impurities in gas.

This invention discloses an active metal brazing paste and its preparation method. The active metal brazing paste is characterized by comprising brazing powder and a binder, wherein the binder component accounts for 8-20% by mass. The brazing powder comprises the following components by mass percentage: 10-30% nano-silver powder; 60-80% silver-copper alloy powder; 5-10% aluminum-silicon alloy powder / titanium-aluminum alloy powder; 2-5% titanium hydride powder. The binder comprises the following components by mass fraction: 75-90% solvent; 5-10% thickener; 2-4% surfactant; 1-2% dispersant; 2-5% thixotropic agent. Compared with the prior art, the active metal brazing paste of this invention has the following beneficial effects: the ceramic copper-clad laminate prepared by the active metal brazing paste has high connection reliability and excellent resistance to thermal cycling.

The present invention provides a photocurable 3D printed part and its application in a foaming material. The photocurable 3D printed part of the present invention is an elastomer obtained by photocurable 3D printing, and the crosslinking density of the photocurable 3D printed part is 0.001 to 10 mmol / cm 3 , and the glass transition temperature is lower than 30°C.

The utility model provides a classical guitar sound hole sound bucket belongs to guitar sound hole sound bucket field, including the resonance box, the neck and the head, the outside wall of fingerboard is provided with a plurality of silk, a plurality of strings are fixedly connected on the bridge, the side wall of resonance box is provided with the sound hole, the sound hole is roundly provided, the sound hole is located the top of bridge, the inner side wall of resonance box is fixedly connected with the main sound bucket, the inner side wall of main sound bucket is provided with the internal thread, the inner side of main sound bucket is provided with the vice sound bucket, main sound bucket and vice sound bucket all are circular tubularly provided, the position of sound hole corresponds with main sound bucket, the inner side wall of vice sound bucket is fixedly connected with the plucking platform, and the plucking platform is equidistantly arranged on the inner side wall of vice sound bucket, the utility model discloses, through setting up main sound bucket in the sound hole, main sound bucket makes the flowing mode of resonance box inside air through the improvement, makes the sound in the musical instrument more fully reflected and diffused to improve the whole resonance efficiency, makes the sound more full.

The utility model discloses a fishery breeding water treatment device which comprises a degassing tower, a plurality of air chambers, a plurality of oxygen pipes, oxygen supply equipment, a water spraying pipe and a receiving tank, the upper end of the degassing tower is open, the side wall of the degassing tower is provided with an air inlet, and the air chambers are arranged below the degassing tower and communicated with the degassing tower; an oxygen inlet and an oxygen outlet are formed in the side wall of the air chamber; one end of the oxygen pipe is connected with an oxygen outlet of one air chamber, the other end of the oxygen pipe is connected with an oxygen inlet of the other air chamber, and all the air chambers are sequentially communicated through the oxygen pipe; the oxygen supply equipment is connected with the oxygen inlet on the first air chamber in the plurality of air chambers which are sequentially communicated through an oxygen inlet pipe and is used for supplying oxygen to the air chambers; the water spraying pipe is arranged at the top end of the degassing tower and is used for spraying water downwards; the receiving pool is arranged at the lower end of the air chamber and used for receiving water flowing down from the air chamber, and a water outlet is formed in the bottom of the receiving pool and used for draining water. According to the water treatment device for fishery breeding provided by the utility model, the degassing equipment and the oxygenation equipment are longitudinally stacked, so that the occupied area is small, and the degassing and oxygenation effects are good.

This specification provides a system and apparatus for constructing an animal model of spinal glioma, relating to the field of intelligent medicine. The system, executed by a robot, includes: a puncture point localization module configured to locate the highest point of the spine in its natural state as the puncture point; a spine exposure module configured to locate points at a first distance above and below the highest point of the spine along the spinal direction, forming a line segment; controlling the cutting of the dorsal skin of the animal sample along the line segment to expose the spine; a puncture needle insertion module configured to control the puncture needle to penetrate the puncture point perpendicular to the vertebral interface at a first speed until the puncture needle penetrates the spinal cord tissue; controlling the puncture needle to retract a third distance and pause for a first time; a cell suspension injection module; and a puncture needle withdrawal module configured to control the withdrawal of the puncture needle, thus obtaining the animal model. This application provides insights for clinical research on the molecular characteristics of spinal glioma and the identification of potential therapeutic targets.

The application discloses a nitrogen-doped carbon lithium-sulfur battery positive electrode carrier material with directional pores and iron monatomic anchoring, and a preparation method and application thereof, and belongs to the technical field of lithium-sulfur battery positive electrode materials. Graphene oxide and cellulose nanofibers are dispersed in water to form a dispersion liquid; a mixed metal salt solution prepared by zinc salt and iron salt is added to the dispersion liquid, and a composite hydrogel is formed through electrostatic self-assembly; the composite hydrogel is placed on a pre-cooled metal substrate to perform directional freezing and freeze-drying, and an aerogel precursor with a directional pore structure is obtained; the aerogel precursor is subjected to programmed temperature carbonization with a solid nitrogen source, and a nitrogen-doped carbon lithium-sulfur battery positive electrode carrier material with directional pores and iron monatomic anchoring is obtained. Through the cooperation of directional freezing and gas-phase doping, vertical through pores are constructed, and iron monatomic atoms are anchored, the shuttle effect is inhibited, high specific capacity, excellent rate and long cycle life are realized, and the capacity retention rate reaches 88.5% after 600 cycles at 0.1C.

The utility model discloses a kind of heat exchangers of cyclone support structure, it is related to heat exchanger equipment technical field, including shell, vertical setting;Pipe plate, set in the both ends of shell, the shell one end between two pipe plates is equipped with cold fluid medium import, and the other end is equipped with cold fluid medium export;Multiple heat exchange tubes, its both ends are fixed between pipe plate and are penetrated;Upper head, lower head, respectively sealed connection in the both sides opening of shell, the both ends of each heat exchange tube are all corresponding to connect upper head and lower head, and upper head is equipped with hot fluid medium import, and lower head is equipped with hot fluid medium export;Multiple cyclone components, along axial interval setting between two pipe plates, each heat exchange tube is all through cyclone component, and structure unit that can produce fluid cyclone effect is equipped in cyclone component;Support, set in the peripheral surface of shell.The above-mentioned heat exchanger of cyclone support structure, structure simple, manufacturing cost low, technical effect of high heat exchange efficiency are realized.

The utility model relates to a kind of multi-air duct heat dissipation cabinets, including cabinet body and two respectively symmetrical positioning frame located in the left and right sides of cabinet body inside, the left side or the right side inner wall of cabinet body is equipped with respectively up and down distribution air outlet window hole and air inlet window hole;Positioning frame includes multiple horizontal support beams being set horizontally and sequentially parallel distribution from top to bottom and two vertical and detachable fixed between multiple horizontal support beams and respectively front and rear distribution longitudinal mounting strip, the inner wall of one side of cabinet body on air outlet window hole is also provided with flow guide component, flow guide component includes flow guide cover being fixed on the inner wall of cabinet body and sealing cover being set in the outer periphery of air outlet window hole inside opening, and two vertical fixed on the inner wall of cabinet body and respectively located first U-shaped flow guide strip on the upper and lower sides of flow guide cover;The utility model has flow guide function, and further can effectively improve heat dissipation effect to ensure that cold air can cool all electrical or electronic equipment, so as to break through the height limit of cabinet to enhance practicality.

This invention discloses a samarium-based rare-earth permanent magnet bulk material, its preparation method, and its application. (The last part, "ThMn," appears to be an incomplete sentence or fragment and is left untranslated.) 12 A uniform metallic T coating is formed on the surface of the magnetic powder. The composite magnetic powder is then oriented, pressed into blocks, and heat-treated to create a double-layered non-magnetic shell around the grains. This shell hinders domain movement, effectively improving the material's coercivity. Furthermore, compared to doping or melting, the coating process requires less T and allows for more precise control, preventing excessive T from entering the crystal lattice and negatively impacting the material's intrinsic magnetic properties, thus significantly improving the coercivity of ThMn. 12 Density and overall performance of rare earth permanent magnets.

The application relates to the field of synthesis of selenide, and aims at the technical problems of complicated operation steps and slow reaction process in the implementation of the existing method, and provides an alkali metal selenide compound based on a direct preheating method, a preparation method and application thereof, which comprises the following steps: in a glove box in an inert gas atmosphere, heating alkali metal elements until the alkali metal elements are in a liquid state; mixing selenium elements with the liquid alkali metal elements and reacting for 1-3 seconds to form a molten state, after the molten substance is solidified, standing and cooling, and grinding to obtain an alkali metal selenide compound; the molar mass ratio of the selenium elements to the alkali metal elements is 1:0.5-2. x Se y The precursor compound can simplify a precursor synthesis process, reduce a synthesis condition threshold, reduce synthesis time cost and money cost, and improve precursor product synthesis efficiency.

The invention relates to a water-saving fabric printing and dyeing method which comprises the following steps: a pretreatment stage: soaking a fabric in a solution containing a pretreatment agent, stirring for 30-40 minutes at 40-50 DEG C for desizing treatment, washing the fabric with clear water after the treatment is completed, removing the residual pretreatment agent, and naturally air-drying; a modification stage: putting the pretreated polyester fabric into a first modification liquid, oscillating for 20-30 minutes, drying, putting the fabric treated by the first modification liquid into a second modification liquid, heating for 60-70 minutes at the temperature of 50-70 DEG C, taking out, and naturally air-drying to obtain the modified polyester fabric; in the dyeing stage, the modified fabric is soaked in dye liquor to be dyed; and a washing stage: immersing the dyed fabric in deionized water, stirring or gently scrubbing for 10-20 minutes at room temperature, and then naturally air-drying. The invention discloses a water-saving printing and dyeing method for fabrics, and aims to realize an efficient, water-saving and environment-friendly printing and dyeing process.

The application provides a preparation method of a zinc-doped lithium nickel cobalt manganese oxide positive electrode material, and the preparation method comprises the following steps: S1, mixing a nickel source, a cobalt source, a manganese source and a zinc source to obtain a mixed salt solution; S2, in an inert atmosphere, mixing the mixed salt solution and a precipitant solution by simultaneously dropping, continuously dropping the precipitant solution to adjust the pH value of the mixed solution to 10-11, performing a co-precipitation reaction, and obtaining a precursor slurry; S3, adjusting the pH value of the precursor slurry in step S2 to 7-8, performing solid-liquid separation, and drying the precipitate to obtain a precursor; and S4, mixing the precursor in step S3 with a lithium source, and sintering to obtain the zinc-doped lithium nickel cobalt manganese oxide positive electrode material. The method provided by the application can reduce the surface residual alkali content of the positive electrode material, and excellent cycle stability is obtained.

The utility model discloses an aeration device for algae culture relates to aeration equipment field, including the horizontal setting of gas supply pipe, and the outer circumferential surface intercommunication of gas supply pipe installs a plurality of aeration disc, and one end intercommunication of gas supply pipe installs the connecting pipe, and the other end intercommunication of connecting pipe installs the external gas supply pipe, and the other end of external gas supply pipe is connected with the input end of external gas supply equipment, and through external gas supply equipment will gas source input to aeration disc, and gas supply pipe along vertical direction sliding assembly, when the liquid surface in algae culture pond drops or rises, and gas supply pipe synchronous downward or upward movement. Through the height adjustable and overturning function of aeration disc, the gas exchange process in water body is optimized, thereby improving the carbon dioxide supply of algae, promoting photosynthesis, can also effectively reduce local peroxide or anoxic problem, reduce the instability of algae growth environment, improve the yield and quality of culture.

The invention discloses a germanium-silicon heterojunction npn type bipolar transistor and a preparation method thereof, and relates to the technical field of semiconductors. According to the germanium-silicon heterojunction npn-type bipolar transistor and the preparation method thereof, a p-type in-situ doped germanium-silicon-carbon selective epitaxial growth method is adopted; a p-type in-situ boron-doped germanium-silicon-carbon epitaxial inner base region located below a region surrounded by the silicon nitride inner side wall, a cantilever located on the outer base region polycrystalline silicon layer and a p-type in-situ boron-doped silicon connecting base region located below the silicon nitride inner side wall can be grown at the same time; therefore, the germanium-silicon-carbon epitaxial inner base region capable of ensuring enough high cut-off frequency and the silicon connecting base region capable of ensuring the parasitic resistance of the base region as small as possible can be obtained simultaneously, and the parasitic resistance of the connecting base region is reduced, so that the resistance of the parasitic base region of the germanium-silicon heterojunction npn type bipolar transistor can be reduced; the maximum oscillation frequency fmax can be improved under the condition that the cut-off frequency is given, and the radio frequency noise coefficient can be effectively reduced.

A gas inlet assembly of a process chamber of a semiconductor process apparatus, a gas inlet device, and a semiconductor processing apparatus are provided. The gas inlet assembly is configured to transport the process gas to the gas inlet pipeline that communicates with the process chamber. The gas inlet assembly includes a plurality of mixing chambers arranged sequentially along the gas inlet direction. Any two neighboring mixing chambers communicate with each other. The gas inlet assembly includes a gas inlet connector. The gas inlet connector communicates with the mixing chamber at the most upstream in the gas inlet direction. The mixing chamber at the most downstream in the gas inlet direction communicates with the gas inlet pipeline. The gas outlet direction of the gas inlet assembly is the same as the gas inlet direction. The gas inlet assembly, the gas inlet device, and the semiconductor processing apparatus are configured to sufficiently mix and homogenize the process gas. Thus, the distribution uniformity of the components of the process gas can be improved, and the differences in the gas flow speeds between different areas of the gas inlet pipeline can be reduced. Thus, the process stability can be improved.

The invention discloses a production process of a 6-series aluminum alloy profile, and belongs to the technical field of aluminum alloy material preparation. By adding trace Sc and Zr elements and nano TiN particles and combining a multi-stage homogenization heating and temperature control rolling process, crystal grains are effectively refined, recrystallization is inhibited, a dispersion strengthening phase is formed, the final aluminum alloy section keeps good plasticity and toughness, meanwhile, higher strength and corrosion resistance are obtained, a multi-stage heating homogenization treatment system is adopted, and the service life of the aluminum alloy section is prolonged. According to the method, full dissolution and diffusion of 6-series aluminum alloy elements are promoted, composition segregation and internal stress are reduced, subsequent online spray quenching and air cooling are combined, rapid, uniform and controllable cooling is achieved, the performance difference of all parts of the aluminum alloy profile is greatly reduced, and the structure and size stability is ensured. And on the whole, the aluminum alloy profile is endowed with excellent strength and corrosion resistance through precisely controlled chemical components and process optimization.

The invention relates to a front-end gas inlet device for an atomization experiment, and the device comprises an annular housing which is internally provided with an annular cavity and is used for accommodating and guiding gas to flow; the clamping plate is arranged in the annular cavity and divides the annular cavity into a buffer cavity and a circulation cavity, permeation holes are formed in the clamping plate, and gas circulation under high pressure is achieved; the multiple rotational flow path inlets are annularly distributed in the side wall of the annular shell at equal intervals and communicate with the circulation cavity; and the on-duty path inlet is positioned on one side of the cyclone inlet and is used for supplementing when the gas input quantity of the cyclone path inlet is insufficient, so that the gas input uniformity and saturation are ensured. The device is compact and reasonable in structure and convenient to operate, efficient buffering and uniform distribution of gas are achieved through the design of the annular shell and the clamping plate, the arrangement of the on-duty road inlet and the reasonable structural design, and the accuracy and reliability of an atomization experiment are improved.