93results about How to "Reduce manufacturing complexity" patented technology

The invention relates to the technical field of coating machines, and discloses a multi-drying coating machine which comprises a supporting plate body, a base material roller, a composite drying machine and a discharging roller, the two ends of the supporting plate body are rotationally connected with the base material roller and the discharging roller respectively, the composite drying machine is arranged between the base material roller and the discharging roller, a tension shaft is arranged between the base material roller and the composite drying machine, and the tension shaft is connected with the supporting plate body. A coating mechanism is arranged on one side of the tension shaft and comprises a rotary coating roller, a supporting base and a comma scraper, a coating base material is arranged between the rotary coating roller and the supporting base, the comma scraper is arranged on one side of the rotary coating roller, and ultrasonic vibration modules are arranged on the upper side and the lower side of the comma scraper; the ultrasonic vibration module changes an electromagnetic field around the comma scraper to enable the surface of the comma scraper to generate high-frequency vibration; the high-frequency vibration of the comma scraper not only optimizes the distribution of the coating, but also enhances the interaction between the coating and the base material, and effectively promotes the contact and permeation between coating molecules and the coating base material.

The invention belongs to the technical field of coal mine airtight wall building, and particularly relates to a movable type airtight wall building double-arm operation platform. Comprising a crawler walking mechanism, and a double-operation-arm stacking unit, a brick arranging area, a brick pre-arranging mechanical arm and a brick feeding area are sequentially arranged on the crawler walking mechanism from front to back; the brick pre-arranging mechanical arm is used for moving bulk bricks in the brick feeding area into the brick arranging area and arranging the bulk bricks into brick units according to the width of a wall body; the double-operation-arm stacking unit comprises a left stacking mechanical arm and a right stacking mechanical arm which act independently, the two stacking mechanical arms grab the brick units from the left row of brick units and the right row of brick units correspondingly to conduct wall building, and the two stacking mechanical arms cooperate to conduct wall building within the set length range. By means of the work division operation mode of brick pre-arrangement and overall stacking, the wall building efficiency can be greatly improved; the two stacking mechanical arms open left and right to conduct wall building operation, and the wall building efficiency is doubled compared with a traditional single-mechanical-arm mode.

The invention discloses application of probiotic yeast microcapsules in drugs for targeted regulation of inflammatory macrophage immunity, and belongs to the technical field of biological medicines. As a novel medicine, the yeast microcapsule has the characteristics of engineering, convenience, low cost, high patient compliance, high safety and excellent targeting property, can be used as an oral medicine for treating chronic inflammatory disease rheumatoid arthritis, acts on mitochondria through oxidative stress and oxidative phosphoric acid pathways, inhibits excessive activation of macrophages, and has the effect of treating chronic inflammatory disease rheumatoid arthritis. Release of inflammatory factors is reduced, and inflammatory reaction is relieved; the yeast micro-capsule can promote the phagocytosis and antigen presentation function of macrophages and enhance the immune defense capability of a body, so that the immune function of the macrophages is adjusted, and the yeast micro-capsule shows huge potential in preparation of drugs for targeted adjustment of inflammatory macrophage immunity, and has a broad application prospect in preparation of drugs for targeted adjustment of inflammatory macrophage immunity. And a theoretical basis is provided for developing non-invasive, convenient and safe treatment of chronic inflammatory diseases such as rheumatoid arthritis.

The invention relates to an oxygen evolution catalyst for hydrogen production through electrolysis of proton exchange membrane water, a membrane electrode and a preparation method of the membrane electrode, and the oxygen evolution catalyst is iridium oxide in a nanoparticle form and contains 2-2.5% of crystal water; the preparation method of the catalyst comprises the following steps: carrying out ultrasonic treatment on an iridium salt solution, mixing the iridium salt solution with magnesium sulfate and water, carrying out ultrasonic treatment, volatilizing a solvent, drying, carrying out ball milling to obtain powder, carrying out high-temperature calcination, dissolving with dilute acid, carrying out suction filtration with water and ethanol until the conductivity is less than 10 [mu] s / cm, carrying out vacuum drying to remove moisture, and grinding to obtain the catalyst. The membrane electrode comprises the catalyst powder prepared by the method and an anode catalyst layer formed by perfluorinated sulfonic acid resin; and the cathode catalyst layer is formed by Pt / C and perfluorosulfonic acid resin. The oxygen evolution catalyst provided by the invention has high activity and high stability, magnesium sulfate is adopted in the preparation method, and the oxygen evolution catalyst has the advantages of simple operation, low cost and the like.

The invention discloses an acoustic resonator and a filter, and relates to the technical field of radio frequency, the acoustic resonator comprises a substrate, a coupling adjustment layer, a piezoelectric layer and an interdigital electrode, the material of the piezoelectric layer and the tangential direction of the piezoelectric layer are selected, and the value range of an in-plane Euler angle alpha is set; the piezoelectric coefficient of the piezoelectric layer comprises an e11 component and an e34 component in a piezoelectric coefficient matrix, so that the excited sound wave of the piezoelectric layer at least comprises a longitudinal mode sound wave mainly excited by the e11 component and a high-order shear mode sound wave mainly excited by the e34 component; and a coupling adjustment layer which is made of a proper material and has a proper thickness ratio with the piezoelectric layer is arranged, so that the resonance of the longitudinal mode sound wave and the high-order shear mode sound wave is adjusted to the same frequency, coupling is achieved, and finally the sound wave comprising two coupling modes which are mutually orthogonally polarized in a specific propagation direction is excited. The requirements for high frequency and large bandwidth of centimetric wave communication frequency bands are met, the device is simple in structure, and the preparation complexity and cost of the device can be reduced.

This application claims protection for a pressure vessel, a lighter, and an ignition gun. The pressure vessel includes a gas box and a base plate. The gas box includes a gas box body and a threaded sleeve, which is housed within the gas box body and integrally injection molded with the gas box body. The threaded sleeve is used to connect to an exhaust valve. The base plate is connected and sealed to the gas box body, and a cavity is formed between the gas box body and the base plate to contain fuel. The cavity communicates with the threaded sleeve so that the exhaust valve connected to the threaded sleeve can control the release of fuel. This not only reduces the manufacturing complexity and production cost of the gas box but also ensures the accuracy of the threaded sleeve's assembly position on the gas box body, avoiding tolerance fluctuations and cracking risks between the threaded sleeve and the gas box body. This improves the sealing performance and assembly reliability of the pressure vessel, effectively solving common problems such as poor flameout and ignition failure, and providing a reliable guarantee for the performance improvement of lighters, ignition guns, and other products.

The invention relates to a lighting device with a flash effect. A lighting apparatus includes: a solid state light emitting element mounted on a carrier substrate; a package including a light emitting material, the package surrounding a light emitting surface of the solid-state light emitting element, and configured to at least partially convert light emitted by the solid-state light emitting element into wavelength converted light; and a plurality of light transmissive particles at least partially contained within the package, the light transmissive particles having an average longest dimension extension in a range of 0.4 to 1.5 times a layer thickness of the package on the light emitting surface. The light-transmissive particles may interrupt the light-emitting effect of the package material to produce a flash effect.

The application discloses an installation structure and an excimer laser, and relates to the technical field of lasers. The installation structure comprises two cavity fixing plates arranged oppositely, a fixing horizontal plate, an adjusting assembly and guide shafts movably connected with the two cavity fixing plates respectively, the two ends of the fixing horizontal plate are connected with the cavity fixing plates respectively, the adjusting assembly and the fixing horizontal plate are used for arranging a discharge cavity, the adjusting assembly is fixedly connected with the fixing horizontal plate and the discharge cavity respectively, and the adjusting assembly is used for adjusting the position of the discharge cavity, the outer sides of the two cavity fixing plates are both provided with module fixing plates fixed with the guide shafts, and the module fixing plates are used for fixing optical modules. The installation structure and the excimer laser can reduce manufacturing difficulty and adjusting complexity.

The utility model relates to mechanical manufacturing technical field discloses a kind of automatic discharge mechanism of stamping waste, including bottom plate, the upside of bottom plate is fixedly connected with multiple support plates, the top of support plate is fixedly connected with first stamping plate, the top of first stamping plate is provided with top plate, the upside of the left and right ends of bottom plate is fixedly connected with backing plate, the upside of backing plate is fixedly connected with fixed plate, the front end of fixed plate is equipped with opening, the middle part of fixed plate is fixedly connected with rotating shaft, the outside rotating connection of rotating shaft has gear wheel.In the utility model, the up-and-down movement of top plate is used as core power source, stamping operation and waste discharge process are synchronously driven, the debris generated by stamping is automatically dropped to deflector through discharge port, then the deflector is driven reciprocating motion through linkage of rack and pinion, automatic discharge is realized in combination with waste inertia, manual cleaning waste is not needed throughout, and manual operation link is greatly reduced.

The invention provides a method for improving the hardness of diamond particles through mosaic splicing, and belongs to the field of superhard materials. The method comprises the following steps: 1) selecting monocrystal diamond particles to be processed, and processing micropores in the surface of a copper substrate; (2) single crystal diamond is spliced into the micropores, the copper substrate is placed into CVD equipment, and a layer of doped diamond is deposited on the surfaces of the exposed diamond particles in a pulse mode; (3) a film formed by particles of the pulse type deposition doped diamond layer is taken down and placed on the alloy powder in an inverted mode, and an alloy substrate wrapping a diamond doped face is formed; (4) the substrate is placed in CVD equipment, and doped diamond is deposited on the surfaces of the diamond particles in a pulse mode till the thickness of first pulse deposition is achieved; 5, the deposited diamond particles are fragment.The hardness of the diamond particles prepared through the method is improved by 2-4.5 times, the grade of diamond powder can be improved through the method, and the method is simple and convenient in preparation process, low in cost and suitable for industrial application with various high hardness requirements.

This application discloses an automotive hood lock, including a lock plate, a hook lock, and an actuating assembly. The lock plate has a receiving groove extending through its top. The hook lock is rotatably connected to one side of the lock plate. The actuating assembly includes a lever plate, a first rotating shaft, a second rotating shaft, and a pawl located on the same side of the lock plate. The first and second rotating shafts are respectively located on opposite sides of the receiving groove and extend through the lock plate. One end of the lever plate and one end of the pawl are both sleeved on the first rotating shaft, and the other end of the lever plate is used to connect to a pull rope. The other end of the pawl and the hook lock are sleeved on the second rotating shaft, and the pawl has a cavity directly opposite the receiving groove. When the pull rope pulls the lever plate to rotate, the pawl drives the second rotating shaft to rotate, thereby causing the hook lock to rotate and switch between a locked position and a released position, thus locking or releasing the hood lock ring placed in the receiving groove. This solves the problems of cumbersome and concealed traditional double unlocking, and significantly improves in terms of ease of operation, environmental adaptability, and structural reliability.

The utility model provides an air compressor which comprises a motor assembly which comprises a motor shell, a rotating shaft, a stator and a liquid cooling structure, the rotating shaft, the stator and the liquid cooling structure are arranged in the motor shell, and the stator is sleeved with the liquid cooling structure; and the air compression assembly is configured to be suitable for being driven by the motor assembly to compress air. The motor housing is internally provided with an air flow channel, and the air flow channel is provided with an air inlet pipeline and an air outlet pipeline which are communicated with the outside of the motor housing, and comprises a first air flow path which is arranged adjacent to the liquid cooling structure. The liquid cooling structure comprises a cylindrical sleeve body, a cooling liquid flow channel arranged on the peripheral surface of the sleeve body and an air channel arrangement area formed between the side walls of the cooling liquid flow channel along the peripheral surface of the sleeve body, and the first air flow path is suitable for being at least partially arranged in the air channel arrangement area. According to the embodiment of the utility model, the outer diameter size of the motor shell can be reduced, the motor shell is enabled to have a relatively regular and roughly cylindrical shape, and the complexity and the manufacturing cost of the air compressor are reduced.

The invention relates to the technical field of aircraft power generation, and discloses a power generation system of an unlimited continuous underwater aircraft, which comprises a main body frame, a wave energy capturing unit, a solar power generation unit, a transmission and power generation unit and a control and energy storage unit, the main body frame adopts a corrosion-resistant steel structure, a latticed photovoltaic mounting area is arranged at the top of the main body frame, and reinforcing ribs and connecting seats connected with the rotary wings are arranged below the main body frame; the wave energy capturing unit comprises rotary wing modules symmetrically arranged on the two sides of the main body frame. A wave energy capturing unit and a solar power generation unit are compositely integrated, an impeller type capturing piece and a permanent magnet synchronous generator are driven by reciprocating swing of rotary wings on the two sides to operate cooperatively, and meanwhile flexible solar cell modules are arranged on the top of a main body frame and the surfaces of the two wings. Parallel collection and complementary power supply of wave energy and solar energy on the same carrier are realized, and all-weather and multi-mode energy capture and continuous power supply of an underwater vehicle in a complex marine environment are realized.

The invention discloses a VDMOS device integrating on-chip array temperature sensing. The VDMOS device sequentially comprises an N + substrate layer, an N-drift layer, a P-type base region, a P + source region, an N + source region, a gate oxide layer, a polycrystalline silicon layer, an electrode layer, a passivation layer, a silicon nitride layer, a gate electrode layer, a gate dielectric layer, a source electrode layer, a drain electrode layer, a laser filament marked and ablated MXene conductive channel and a silicon nitride protective layer from bottom to top. The array type temperature sensor is directly integrated on the surface of the VDMOS device, the working temperature of the device can be accurately reflected in real time, errors caused by position deviation or heat conduction delay of an external temperature sensor are avoided, additional temperature sensor assemblies and connecting circuits are not needed, and the manufacturing cost and complexity are reduced.

The invention discloses an air oxygen enrichment process for full-temperature simulated rotating moving bed pressure swing adsorption, belongs to the technical field of pressure swing adsorption, and solves the technical problem that both the purity and yield of O2 products cannot be achieved. The process places a plurality of axial flow fixed bed adsorption towers on a circular rotating tray and is placed in the center of a multi-channel rotary valve and around the valve, and is connected through pipelines and the rotation direction and speed of the rotary valve, the rotation direction and speed of the circular rotating tray are regulated, so that the gas flowing through the multi-channel rotary valve channel and the pipeline connected to the inlet and outlet ends of the channel and the inlet and outlet ends of the adsorption tower on the circular rotating tray and the rotating and moving adsorption bed in the adsorption tower continuously passes through the position of the inlet and outlet of each adsorption tower and each adsorption bed completes the mass transfer of the respective adsorption and desorption steps while rotating, thereby forming a "simulated rotating moving bed" pressure swing adsorption process, improving the mass transfer efficiency and production scale, and obtaining high-purity and high-yield O2 products.

The invention relates to the field of antennas, and particularly discloses a dual-polarized antenna, which comprises a slot antenna layer for radiating a first polarized wave and a microstrip antenna layer for radiating a second polarized wave, wherein the slot antenna layer comprises a waveguide structure, the waveguide structure comprises a plurality of radiation units arranged along a first direction, and each radiation unit comprises a plurality of radiation slots extending along a second direction; the micro-strip antenna layer comprises a plurality of micro-strip oscillator units arranged along a first direction, and each micro-strip oscillator unit comprises a plurality of micro-strip oscillators arranged along a second direction; the microstrip antenna layer is arranged on the slot antenna layer, at least one microstrip array unit is arranged between the radiation units, and projections of the microstrip arrays and the radiation slots on the waveguide structure are not overlapped; the antenna is simple in structure, has the characteristics of low profile, miniaturization and light weight, can obtain the electromagnetic scattering characteristics of a target in different polarization directions, and is suitable for a high-frequency dual-polarized antenna.

A method includes: forming an opening (204) in a mask layer (202); measuring a feature size associated with the size of the opening (206); determining manufacturing parameters based on the feature size; and forming a second layer (212) in the opening. The second layer is formed based on the manufacturing parameters. A manufacturing system includes a lithography system, a measurement system, a physical vapor deposition system, an oxidation system, and a control system. The control system is configured to control the feed-forward manufacturing process.

The invention relates to a folded inner gate organic electrochemical transistor and a preparation method thereof, and belongs to the field of novel flexible electronics. The transistor includes a bottom electrode, a folded organic semiconductor layer, a folded ion reservoir layer, a folded gate layer, and a top electrode. By regulating and controlling the adhesion between the semiconductor layer and the substrate and the mechanical property of the semiconductor layer, the organic semiconductor can bear deformation caused by folding, the integrity of the organic semiconductor is ensured, and stable ion-electron coupling performance can still be kept in a folding state. According to the transistor, a folding structure is introduced into an organic material, so that the electrochemical performance, the flexibility and the stability of a device are remarkably improved. The inner grid design can effectively control the ion doping efficiency, improve the current response speed and construct a fast-response organic electrochemical transistor; the invention has the advantages of simple structure, low manufacturing cost and large-scale application, and is particularly suitable for application in the fields of flexible electronic devices, wearable equipment, organic electronic circuits and the like.

The invention relates to the technical field of wire enamel preparation, in particular to a preparation process optimization method and system based on high-heat-resistance wire enamel, and the method comprises the following steps: enhancing the stability of a to-be-modified wire enamel material to obtain an original modified precipitate, and performing a stability test on the original modified precipitate to obtain a modified dispersion factor; judging whether the modified dispersion factor is greater than a standard dispersion factor or not, if so, adjusting the modified mixing ratio to obtain an adjusted mixing ratio, and returning to the step of enhancing the stability of the to-be-modified line paint material, and if not, marking the original modified precipitate as a modified line paint material; preparing and coating modified heat-resistant wire paint to obtain a target test wire rod, and performing a high-temperature resistance test on the target test wire rod to obtain the optimal heat-resistant quality. The preparation cost and the preparation complexity of the high-heat-resistance wire enamel can be reduced.

The invention relates to the technical field of semiconductor manufacturing, in particular to fluorine etching equipment based on non-plasma. The etching reaction cavity is arranged on the transmission path of the feeding transmission mechanism, a plurality of areas with different functions are arranged in the etching reaction cavity, the silicon wafer enters the cavity through the feeding transmission mechanism and then sequentially penetrates through the functional areas to obtain the etched silicon wafer, the whole process does not have pause and buffer processes, and the production efficiency is improved. The continuous production effect of reacting while moving is achieved, the total process time from entering the etching reaction cavity to leaving the etching reaction cavity ranges from dozens of seconds to several minutes, and the production efficiency is effectively improved. Besides, the air pressure in the etching reaction cavity is basically normal pressure, a nitrogen curtain is adopted to be isolated from the external atmospheric environment, a vacuum pump does not need to be used for pumping to a vacuum or low-pressure environment, the use of the vacuum pump is saved, and compared with the conventional closed cavity design, the simple equipment space design greatly reduces the manufacturing complexity and cost of the equipment.

The utility model discloses an anthropomorphic dexterous hand and humanoid robot adopting the anthropomorphic dexterous hand. The utility model discloses an anthropomorphic dexterous hand, and the finger driving mechanism includes at least one layer of finger driving motor layer, is equipped with a plurality of finger driving motors in each layer of finger driving motor layer, and each finger driving motor is connected with the finger joint of corresponding hand component through the traction rope, and the number of finger driving motors in each layer of finger driving motor layer is less than or equal to 4; the output shaft of all finger driving motors is outwardly arranged, and the projection in the plane perpendicular to the length direction of arm component does not coincide. The utility model also discloses a humanoid robot, and the anthropomorphic dexterous hand adopting any of the above schemes. The utility model has the advantages of: avoiding the mutual friction, winding and even cutting caused by the path intersection and contact of multiple traction ropes in the narrow space, so that the overall form of the robot arm is more close to the thickness of real human body arm.

The invention relates to a subminiature high-bandwidth single-ended fiber-outgoing film lithium niobate electro-optical modulator, which comprises an SSMP radio frequency assembly, a high-frequency transition film substrate, an electro-optical modulator chip, a dual-core FA, a terminal matching film substrate, an input optical fiber, an output optical fiber and a packaging shell. According to the thin-film lithium niobate electrooptical modulator chip, the waveguide is of a U-shaped structure, the waveguide input port and the waveguide output port are located on the same side of the chip, the dual-core FA is adopted to align the waveguide input port and the waveguide output port for coupling, the space needed by coupling is reduced, and the coupling convenience is improved; a mode field conversion structure is designed on the double-core FA, and the size of an optical fiber spot size is reduced; an SSC spot size converter structure is designed on a chip waveguide, the size of a waveguide spot size is amplified, the size of an optical fiber spot size and the size of a waveguide spot size are converted into the same size, and efficient and low-loss coupling is achieved. The radio frequency feed-in port, the optical input and output port and the direct current pin are located on the opposite side of the device, so that the user terminal array type dense arrangement is facilitated, and the small-sized integration of the system is realized.

The utility model provides a kind of refrigeration device, including box, centrifugal fan and condenser, the bottom of box is equipped with presser cabin, the back of box is equipped with ventilation passage, ventilation passage extends along the height direction of refrigeration device and is arranged, the upper end of ventilation passage extends to the top of box;The air inlet of centrifugal fan is communicated with presser cabin, the air outlet of centrifugal fan is upwards and its air outlet is communicated with the lower end of ventilation passage and butt joint;Condenser is oppositely arranged with the air inlet of centrifugal fan;Centrifugal fan is configured as: when centrifugal fan operates, centrifugal fan can extract air in presser cabin to form airflow, airflow can flow through condenser, then enter centrifugal fan, and then be transported upwards along ventilation passage by the air outlet of centrifugal fan. Ventilation passage can be used as the heat dissipation space of condenser, and condenser is oppositely arranged at the air inlet side of centrifugal fan, airflow can flow through condenser and take away the heat on the surface of condenser and then enter air inlet, to achieve good heat dissipation efficiency.

The utility model discloses a skirting line capable of being rapidly installed. The skirting line comprises an installation assembly and a buckling assembly. The installation assembly and the buckling assembly are connected in a matched and clamped mode. The mounting assembly is fixedly mounted on a wall body; the buckling assembly comprises a buckling plate, a first buckling part and a second buckling part, wherein the first buckling part and the second buckling part are assembled at the two ends of the buckling plate. The mounting assembly comprises a mounting plate, a supporting part and a mounting fixing part; the supporting part and the mounting fixing part are respectively fixed at the upper end and the lower end of the mounting plate; the upper surface of the mounting fixing part is vertically connected with a limiting part for clamping the first buckling part; a clamping part is arranged on the side, away from the wall body, of the mounting plate, and the supporting part and the clamping part form a clamping groove used for clamping the second buckling part; the device can be quickly, simply and conveniently mounted and dismounted, time and labor cost can be saved, the mounting plate and the fastening plate are simple in structure, and manufacturing cost and complexity are reduced.

The invention discloses an organic light-emitting compound and an organic electroluminescent device thereof, the compound is used as a bipolar main body material, and an electron donor unit D (Donat), an electron acceptor unit A (Aceppt) and a large steric hindrance construction unit are introduced, so that the transmission of current carriers can be effectively balanced, excitons can be uniformly distributed, and the light-emitting efficiency is improved. The recombination of carriers at an interface is avoided, and the quenching of triplet state-triplet state under high exciton concentration is reduced, so that the performance and the stability of the device are improved.

The invention discloses an end-to-end snapshot compression computer vision method based on a pseudo-random mask array. The method comprises the following steps of: performing single exposure on a video sequence subjected to space-time light intensity modulation by using a two-dimensional image sensor and a pseudo-random binary mask to obtain a corresponding two-dimensional (2D) compression measurement value; a video reconstruction is taken as a proxy task, a trained compression denoising auto-encoder model is utilized to extract potential spatial-temporal feature representations from the 2D compression measurement values, and the compression denoising auto-encoder model comprises a shared encoder and at least one task-specific decoder. The shared encoder is configured to extract the potential spatio-temporal feature representation from the 2D compressed measurements; and inputting the potential spatio-temporal feature representation into the decoder to obtain a dynamic result of the downstream computer vision task. According to the method, the image reconstruction complexity and the calculation cost are remarkably reduced, the excellent performance can still be kept especially in an extremely low illumination scene, and the privacy protection characteristic is achieved.

The invention discloses an air separation nitrogen production process of full-temperature simulated rotating moving bed pressure swing adsorption (FTrSRMPSA), in which a plurality of axial flow fixed bed adsorption towers are placed in the center of a multi-channel rotary valve and arranged on a circular rotating tray around the valve, and are connected through pipelines and the rotating direction and speed (ω1) of the rotary valve and the rotating direction and speed (ω2) of the circular rotating tray are regulated, so that the gas flowing through the rotating adsorption bed layer in the adsorption tower continuously passes through the positions of the inlet and outlet of each adsorption tower and each adsorption bed layer completes the mass transfer of its own adsorption and desorption steps while rotating, thereby realizing the simulated rotating moving bed pressure swing adsorption process based on the axial flow fixed bed pressure swing adsorption, so that the adsorption and desorption multi-step cyclic operation is performed, and the nitrogen product gas with a purity of 96-99.9% and a yield of 50-70% is obtained from the air.

The invention relates to a power MOSFET (Metal-Oxide-Semiconductor Field Effect Transistor), in particular to a charge plasma-based double-buried gate power MOSFET structure which sequentially comprises a p-type body region and an n-type drift region from top to bottom, polycrystalline silicon layers are arranged at the left end and the right end of the n-type drift region respectively, the upper surface, the lower surface and the inner surface of each polycrystalline silicon layer are wrapped by oxide layers, and n + charge plasma regions are formed at the left end and the right end of the p-type body region. A p + charge plasma region is formed at the top of the p-type body region; metalizing the substrate to form a drain electrode; metalizing the polysilicon gate layer on the outer side to form a gate; metalizing the outer side of the n + charge plasma region to form a first source electrode, and metalizing the p + charge plasma region to form a second source electrode; compared with an existing VDMOS structure, the VDMOS structure has the advantages of being smaller in thermal budget, lower in manufacturing complexity, lower in on resistance and charge, larger in power density and better in high-frequency performance index.

The utility model discloses a novel balance disc multistage pump body which comprises a main shaft and a pump body outer shell body, the pump body outer shell body is arranged outside the main shaft, a final-stage impeller, a novel balance disc and a tail cover are sequentially installed outside the main shaft in the axial direction, the final-stage impeller and the novel balance disc are arranged between the main shaft and the pump body outer shell body, and the tail cover is arranged on the main shaft. The tail cover is installed on one side of the pump body outer shell, a guide vane chamber is formed in the side, away from the tail cover, of the pump body outer shell, a middle section shell installation straight opening is formed in the outer portion of the side, away from the tail cover, of the pump body outer shell, a pump body flow channel outlet is formed in the outer portion of the pump body outer shell, and a pump body water outlet flange is installed at the end of the pump body flow channel outlet. A pull rod cover is installed outside the pump body outer shell, and a shaft seal chamber is arranged between the tail cover and the main shaft. The structure of the pump body is redesigned, a last-stage guide vane in a traditional multi-stage pump is omitted, the last-stage impeller is directly installed on the pump body, the structure is simplified, and manufacturing cost and maintenance complexity are reduced.

The application relates to the technical field of medical devices, in particular to an anchor assembly and an anchor implantation system. The anchor assembly comprises a plurality of first anchor units. Each first anchor unit comprises a first anchor and a first suture segment wound around the first anchor. One end of the first suture segment is a first pulling end used for connecting with an adjacent first anchor unit. When the first pulling end is pulled, the first suture segment is wound into a locking knot, and the first suture segment is bound to the first anchor. The application aims to solve at least one technical problem in the background art and provides an anchor assembly and an anchor implantation system.