22results about How to "Reduce transfer" patented technology

The application relates to a gallium nitride epitaxial structure forming method and a semiconductor device. The method comprises the following steps: sequentially forming a buffer layer, an intrinsic GaN layer and an AlGaN layer on a substrate; growing a P-type doped GaN epitaxial layer on the AlGaN layer, controlling the doping concentration and thickness of the P-type GaN layer, performing N-type ion implantation on the P-type GaN layer, controlling the implantation depth in the range of 20nm-30nm, and then performing annealing. In another mode, the AlGaN layer is subjected to P-type ion implantation before the P-type GaN layer is grown to form an asymmetric P-type doped area, and then annealing is performed, and the implantation area is still P-type after annealing by controlling the implantation dose. In the semiconductor device, the contact layer is obtained by patterning the P-type GaN layer, and the P-type doped area with the highest doping concentration or the largest doping area is arranged at the position of the contact layer. The gate breakdown voltage can be improved, the threshold voltage can be stabilized, the low on-resistance can be maintained, and the CMOS process compatibility can be realized.

The utility model discloses a piston ring finishing machine which comprises a mounting bracket, a horizontal rubber roller assembled on the mounting bracket through a pair of bearings, a motor in transmission connection with the end part of the rubber roller, a pair of mounting units symmetrically arranged on the mounting bracket, and a supporting pipe unit of which the two ends are respectively and detachably assembled on the pair of mounting units, the supporting pipe is parallel to the rubber roller when the supporting pipe is assembled on the mounting unit, the positioning clamping strip can be assembled on the outer wall of the supporting pipe in a detachable mode at the same length, the rubber roller makes contact with the bottom side of the piston ring so as to drive the piston ring to rotate, and the positioning clamping strip is detachably assembled on the supporting pipe. A large number of customized pipes matched with the equipment can be prevented from being customized, and the cost input is reduced; in the using process, only the positioning clamping strip needs to be assembled on the supporting pipe, the piston ring does not need to be transferred between the supporting pipe and the customized pipe, and the working efficiency is improved.

The invention relates to the field of microbiological examination laboratory equipment, and discloses a drying and disinfecting device and method for a specimen glass slide for microbiological examination. The device comprises a machine shell, a motor and a controller, the detachable rotating shaft is in transmission connection with the driving motor; the support frame is detachably arranged on the detachable rotating shaft and forms a plurality of mounting surfaces; the glass slide mounting plate is detachably mounted on the mounting surface, and a plurality of glass slide mounting stations are arranged on the glass slide mounting plate; the drying module comprises a drying lamp; the disinfection module comprises an ultraviolet disinfection lamp; and the control module is electrically connected with the driving motor, the drying module and the disinfection module and is used for executing a drying program and a disinfection program. The problems that in an existing glass slide processing method, the drying capacity and uniformity are difficult to consider at the same time, the drying process is uncontrollable, and low efficiency and safety risks are caused by separation of the drying process and the disinfection process are effectively solved.

The application relates to a biomass gasification device and relates to the technical field of biomass gasification, which comprises a gasification hearth, a fluidized bed is arranged in the gasification hearth, a bubbling bed is arranged in the gasification hearth, a biomass gasification area is arranged between the bubbling bed and the fluidized bed, and the biomass gasification area is used for making biomass stack combustion; the bubbling bed is located at the upper end of the biomass gasification area, a feeding device is arranged on the gasification hearth, an air inlet pipe is arranged on the gasification hearth, the air inlet pipe is used for blowing air into the fluidized bed, the air inlet pipe is used for making fuel in the biomass gasification area tumble, the air inlet pipe is used for blowing the fuel which is not fully combusted on the fluidized bed to the bubbling bed, a cyclone separator is arranged on the upper portion of the gasification hearth, the cyclone separator outputs relatively clean combustible gas after carrying out gas-solid separation on dust-containing combustible gas, the cyclone separator is used for inputting the fuel which is not fully combusted into the bubbling bed, and an ignition device is arranged on the bubbling bed and the fluidized bed. The application has the effect of fully gasifying biomass fuel.

The present application relates to a kind of nanosecond laser space-time control methods based on double-cone pair collision direct drive laser device, in the case of meeting the nearly isentropic compression waveform of driving implosion, the time waveform of all sub-beams in device is redistributed, a small part of beam is used to generate low-energy foot pulse, and is focused on larger target surface, target surface is slowly contracted under the action of low-energy foot pulse, and is contracted to a smaller target surface at the end of the duration of low-energy foot pulse, then the majority of remaining beam is used to generate driving main pulse, and is focused on this smaller target surface, so as to realize zooming.The method reduces the waveform contrast of sub-beam by redistributing the time-power curve of all sub-beams, can realize higher precision control of time-power curve on target surface, also effectively reduces the loss caused by energy transfer (CBET) of cross-beam by zooming, improves beam-target coupling efficiency, and improves the irradiation uniformity of target pellet.

This application provides a punching and bending device, relating to the field of punching and bending technology. It includes a lower die base and an upper die base for connection with a punching head. The lower die base is equipped with a punch and an outer demolding assembly, while the upper die base is equipped with an inner demolding assembly and several punching posts. The inner demolding assembly cooperates with the punch to apply pressure and bend the workpiece placed on the punch. The outer demolding assembly cooperates with the punching posts to punch the bent workpiece. This invention integrates the inner demolding assembly and punching posts in the upper die base and the punch and outer demolding assembly in the lower die base, completing bending and punching sequentially in one punching stroke. Compared with existing technologies, this reduces the clamping and transfer of sheet metal, reduces process turnaround time, improves production efficiency, and simultaneously reduces the number of sheet metal processing positioning steps, thus improving processing accuracy.

The utility model relates to the technical field of hardware part machining, in particular to a polishing device for hardware part machining. According to the technical scheme, the device comprises a polishing workbench, an adjusting frame is arranged above the polishing workbench, a position adjusting mechanism is arranged on the adjusting frame, a polishing machine is arranged at the output end of an electric push rod, a material guide plate is arranged on one side of the polishing workbench, and a multifunctional processing assembly is arranged at the end, away from the polishing workbench, of the material guide plate. Through the arrangement of the electric push rod and the pressure sensor, real-time monitoring and accurate control of polishing pressure are achieved, part damage caused by improper pressure is effectively avoided, the polishing requirement of high-precision hardware parts can be met, the product quality is improved, and the production cost is reduced. Through the arrangement of the multifunctional treatment assembly, cleaning, drying and quality inspection are integrated, the part transfer process is reduced, the risk of secondary pollution and damage is reduced, the operation process is simplified, and the production efficiency is remarkably improved.

This utility model discloses a multi-layer heat insulation structure for a fire door, including a core board; heat insulation layers are provided on both sides of the core board; a metal surface layer is provided on the surface of the heat insulation layer, and metal heat-conducting protrusions are provided on the inner side of the metal surface layer; mounting grooves are provided on the surface of the heat insulation layer opposite to the metal heat-conducting protrusions; a heat-insulating lining is provided on the inner wall of the mounting grooves; the metal heat-conducting protrusions extend upward and downward to the top and bottom of the heat insulation layer; heat dissipation seats are also provided at the top and bottom of the heat insulation layer; the heat dissipation seats are located on the side of the metal heat-conducting protrusions closer to the outside of the door; a heat insulation plate is provided on the side of the metal heat-conducting protrusions closer to the inside of the door. Several metal heat-conducting protrusions are used to absorb and transfer heat from the metal surface layer; wherein, the mounting grooves on the heat insulation layer used to receive the metal heat-conducting protrusions are covered with a heat-insulating lining, which can reduce the transfer of heat to the inside of the door, while the heat dissipation seats provided at the top and bottom of the heat insulation layer can be used to absorb heat from the metal heat-conducting protrusions.

The invention provides a spleen-tonifying and detoxifying traditional Chinese medicine composition as well as a preparation method and application thereof, and belongs to the technical field of traditional Chinese medicines. The traditional Chinese medicine composition comprises a formula A and a formula B. The traditional Chinese medicine composition has a comprehensive conditioning effect and can relieve chemotherapy side effects, improve intestinal flora distribution, promote intestinal health, enhance the chemotherapy effect and improve the disease control rate. Wherein the formula A focuses on tonifying spleen and regulating qi, and improving nausea, vomiting and other symptoms at the initial stage of chemotherapy, and the formula B is added with medicines for clearing away heat and toxic materials and promoting blood circulation to remove blood stasis on the basis, is suitable for patients with myelosuppression with cancer toxicity residue, and strengthens the effects of clearing away heat and toxic materials and removing stasis; the composition has a multi-target action mechanism, and through the combined action of multiple ways, the treatment effect is enhanced, and the side effect is reduced.

This invention belongs to the field of antibody-drug conjugate preparation technology, specifically relating to a method for preparing antibody-drug conjugates based on a solid-phase carrier, comprising the following steps: (a) antibody capture and immobilization: passing an antibody-containing solution through a solid-phase reactor filled with affinity chromatography medium, causing the antibody to specifically bind to the medium; (b) in-situ reduction: adding a reducing agent to the reaction system in (a), causing the antibody bound to the medium to undergo an in-situ reduction reaction; (c) coupling: adding a toxin linker solution (LP) to (b), causing the reduced antibody to undergo an in-situ coupling reaction with the toxin linker solution to generate an antibody-drug conjugate; (d) purification and elution: adding equilibration buffer and elution buffer to the reaction system in (c) to remove unreacted LP and byproducts, followed by adding elution buffer, and collecting the eluted antibody-drug conjugate. The preparation process of this invention is significantly simplified, the product has high purity and few impurities, and while improving product safety and uniformity, it effectively reduces the complexity and cost of the production process.

The production equipment comprises a support, a pay-off roller is rotationally installed on the support, a metal strip coiled material is arranged on the pay-off roller, a first motor is arranged on the support, an output shaft of the first motor is fixedly connected with one end of the pay-off roller, and a rack is arranged on one side of the support; a conveying mechanism used for conveying metal strip coiled materials is arranged on the machine frame, and a strip-shaped hole stamping assembly, a bending device, a stamping cutting device, a punching device and a stamping cutting mechanism are sequentially arranged on the machine frame in the conveying direction of the metal strip coiled materials. The edge forming device has the effect of improving the edge forming strip production efficiency.

This application relates to a tea leaf debris recycling device, belonging to the technical field of tea leaf debris treatment. It includes a negative pressure chamber with a blower installed on it to create negative pressure. A suction pipe is installed on one side of the negative pressure chamber, and an airflow baffle is installed inside the chamber, dividing it into a feeding chamber and a debris chamber. The blower is installed directly above the debris chamber. An airflow channel is formed between the upper side of the airflow baffle and the top of the negative pressure chamber, allowing tea leaf debris to enter the debris chamber. A discharge assembly is installed at the lower end of the negative pressure chamber to discharge the sorted tea leaves. This application has the effect of removing debris from tea leaves and improving tea quality.

The present invention relates to activated dendritic cells and their use in the treatment of cancer. In particular, the present invention relates to a placental derived heat shock protein gp96-antigen complex, dendritic cells activated by said complex, and pharmaceutical compositions, vaccine adjuvants, immunomodulators and vaccine formulations containing said complex or dendritic cells and their use in anti-tumor.

The invention belongs to the technical field of microorganisms, and discloses a staphylococcus aureus strain and application thereof in staphylococcus aureus bacteriophage production, the staphylococcus aureus strain is named as staphylococcus aureus MRSA-GK-172, is preserved in China General Microbiological Culture Collection Center (CGMCC) on December 9, 2024, has a preservation number of CGMCC No.32997, and has a preservation number of CGMCC No.32997. The staphylococcus aureus strain is named as staphylococcus aureus MRSA-GK-172. The preservation address is No.3, Yard 1, Beichen West Road, Chaoyang District, Beijing. The staphylococcus aureus is low in toxicity, low in harm and low in drug resistance, reduces transfer of virulence drug-resistant genes from hosts to bacteriophages, is safe to use, is applied to bacteriophage production, is high in production efficiency and wide in applicable host range, can be used as host bacteria to be applied to bacteriophage screening and bacteriophage production, improves the safety and high efficiency of the link, and can be applied to the production of the bacteriophages. And the preparation method is also beneficial to optimizing the production process, has high clinical application value, and provides important host resources for development and application of phage preparations.

This invention relates to the field of pharmaceutical chemical synthesis technology, specifically disclosing a method for preparing a stable cefixime side-chain acid active ester. The invention involves adding dibenzothiazole disulfide, cefixime side-chain acid, an organic amine, and triethyl phosphite to a reaction solvent for a condensation reaction; then adding a crystallization solvent to the reaction system, cooling to allow crystallization, separating the solid and liquid phases, and washing the resulting solid with a phosphate buffer to obtain the cefixime side-chain acid active ester; the particle size of the dibenzothiazole disulfide is D90 = 20 μm~45 μm; the pH of the phosphate buffer is neutral. This invention couples the condensation reaction and crystallization process into one step, synergistically adding an organic amine and triethyl phosphite, purifying with a specific neutral phosphate buffer, and controlling the particle size of the raw material DM, achieving product quality assurance throughout the entire process from reaction source to purification. Accelerated testing has confirmed that the sample exhibits high stability.

This application provides an arc-extinguishing system and a circuit breaker, belonging to the field of electrical equipment technology. The arc-extinguishing system provided in this application includes a stationary contact, an arc-extinguishing chamber, and a stationary cover. The stationary contact includes a fixed part and a contact part connected to each other. The fixed part is connected to the base of the circuit breaker, and the contact part has a guide groove that extends through the contact part. The arc-extinguishing chamber is disposed on the contact part. The stationary cover is disposed on the portion of the contact part that does not contact the arc-extinguishing chamber. A hook and a limiting block are provided on the side of the stationary cover facing the contact part. The hook passes through the guide groove and hooks to the side of the contact part facing away from the stationary cover. The limiting block is located within the guide groove and contacts the groove wall. The stationary cover mentioned in this application can limit the position of the stationary cover in the thickness, length, and width directions of the stationary contact, reducing the probability of changes in the relative position between the stationary cover and the stationary contact. This improves the shielding efficiency of the stationary cover on the contact part, thereby increasing the reliability of the arc-extinguishing system.

The utility model relates to fruit and vegetable cutting technology field, concretely relates to a fruit and vegetable cutting and screening device, the inner side both sides of conveying frame are rotatably connected with the conveyer roller, and the winding connection with a plurality of conveyer belts is connected between two conveyer rollers, the outer wall one side of conveying frame is fixedly connected with drive motor through bolt, and the one end of one of two conveyer rollers penetrates the side wall of conveying frame and is driven the motor output shaft drive connection. The integration of fruit and vegetable cutting and screening function has been realized, the problem that fruit and vegetable cannot be screened in time after cutting in the prior art is solved effectively, the problem that the operation is complicated, the space is occupied and the efficiency is low caused by the additional configuration of independent screening equipment is avoided, the overall processing efficiency is improved significantly, secondly, the accurate cooperation layout between conveyer belt and cutting knife makes fruit and vegetable be cut evenly in the conveying process, ensures that the cutting size consistency, satisfies the requirement of different cooking scene to food material specification.

The invention discloses an automatic updating method of enterprise operation data and a computer program product. The method comprises the following steps: receiving fund information data and / or material information data generated in enterprise operation; if the currently received service information data belongs to the first service type, creating a new service item; obtaining an associated service item of the new service item according to the identifier and the field content of the new service item; determining a historical fund flow record and a historical material flow record of the enterprise according to the business occurrence time and the undertaking relation of the associated business items; determining a service execution stage, a fund settlement range and a material settlement range corresponding to the service occurrence time of the new service item; and after the verification is passed, current enterprise fund account information and / or material account information are / is updated and are / is displayed on a screen of the terminal equipment. According to the embodiment of the invention, the complexity of financial data management can be reduced.

The utility model provides a kind of pin patch device, mechanism and workstation, solve the problem of low equipment utilization, low operating efficiency and increase production cost caused by using independent two equipment to complete pin operation and paste circuit board operation in prior art;Pin patch device includes: fixed plate;Pin assembly, pin assembly includes the pin vertical guide rail and pin driving part being set on fixed plate, pin mounting plate being slidably set on pin vertical guide rail, pin head and pin ejector structure being set on pin mounting plate, pin driving part is connected with pin mounting plate, drives pin mounting plate to slide along pin vertical guide rail vertically, pin ejector structure is used to push pin in pin head;Patch assembly, patch assembly includes the patch vertical guide rail and patch driving part being fixed on fixed plate, suction nozzle head being slidably set on patch vertical guide rail to adsorb circuit board, patch driving part drives suction nozzle head to slide along patch vertical guide rail vertically.

The invention discloses a high-aggregation charge loss prevention type ion release head and a use method thereof, and relates to the technical field of air purification and electrostatic prevention, the high-aggregation charge loss prevention type ion release head comprises an outer shell, an acoustic focusing tuning assembly and an acoustic driving ion generation assembly, the acoustic focusing tuning assembly and the acoustic driving ion generation assembly are arranged in the outer shell, and the acoustic focusing tuning assembly and the acoustic driving ion generation assembly are arranged in the outer shell. The acoustic focusing tuning assembly comprises a cavity, an acoustic metamaterial lining, an adjusting piston, five inclined push rods, five push blocks, five aperture blades, a grounding ring and an ion current detection probe, and a set of complete charge loss prevention mechanism is constructed through the synergistic effect of the acoustic focusing tuning assembly and the acoustic driving ion generation assembly. Efficient, stable and self-adaptive control of the whole process of ions from generation, focusing to remote transportation is achieved, and the method is specifically embodied in that the ionization process is strictly limited in a specific area through a symmetric electric field constraint unit formed by a spray point and a grounding ring, and disordered diffusion and neutralization of the ions in the initial stage of generation are effectively prevented.

This utility model discloses an automatic spray-type eel cleaning and marinating integrated machine, relating to the technical field of eel processing equipment. The utility model includes a main body with a mounting plate rotatably connected to its top. A cylinder driving the mounting plate to rotate is located inside the main body. A fixing ring is fixedly mounted on the mounting plate, and a cleaning cylinder is rotatably connected to the fixing ring. A discharge trough runs through the cleaning cylinder. A rotating assembly driving the cleaning cylinder to rotate is located on the mounting plate. A spray pipe is fixedly connected inside the cleaning cylinder. A water pump is located inside the main body, with its drain end connected to the spray pipe. A marinating cylinder is fixedly mounted inside the main body, with a feed hopper connected to the discharge trough on its surface. A discharge pipe is connected to the bottom of the marinating cylinder. This utility model, through the coordination of multiple structures, achieves integrated operation of eel cleaning and marinating, reducing manual intervention and material transfer, improving production efficiency, and enhancing the cleaning effect on the eels.

The invention discloses a temporary steel trestle steel pipe pile inserting and driving guide frame for underwater spanning tower construction and a construction method, and relates to the technical field of steel trestle construction. Most existing guide frames are bailey beam modified frames, have the problems that steel pipe piles need to be lengthened for multiple times, a distribution beam construction platform cannot be provided and the like due to the fact that the existing guide frames are low in rigidity and located on the upper portions of bailey beams, and influence construction quality, efficiency and safety. The guide frame comprises an upper cross beam, vertical rods, a lower cross beam and a fence, and the upper cross beam and the lower cross beam are connected through the vertical rods to form a sunken operation platform; the lower cross beam exceeds the upper cross beam in length, a guide hole is formed in the extending part of the lower cross beam, and the guide frame is used for completing operations such as steel pipe pile positioning, inserting and driving, lengthening, pile top opening and distribution beam installation. Through the design of the sinking type platform, the length of a single-time hoisting pile is increased, the lengthening frequency is reduced, the sinking type platform does not need to additionally erect a platform, multi-procedure continuous operation is achieved, the construction efficiency, quality and safety are remarkably improved, and the construction cost is reduced.