176results about How to "Reduce transfer" patented technology

The invention discloses a vibration type wolfberry picking and collecting integrated device, and relates to the technical field of wolfberry picking and collecting, the vibration type wolfberry picking and collecting integrated device comprises a picking head, a driving device, a receiving disc, a collecting device and a conveying pipe, the picking head is used for generating mechanical vibration and driving branches to vibrate; the driving device drives the picking head to generate mechanical vibration; the receiving disc is provided with a blanking port and arranged on one side of the picking head, the picking head is connected with the receiving disc, and the receiving disc is located under the picking head in a picking state; the collecting device is used for collecting wolfberries; one end of the conveying pipe is connected with the bottom of the receiving disc and communicated with the blanking port, and the other end is connected with the collecting device. The device can improve the collection efficiency and the quality of picked Chinese wolfberries.

The invention relates to the technical field of tunnel construction, in particular to a cast-in-place pile drilling device for tunnel construction and a tunnel construction method.The cast-in-place pile drilling device for tunnel construction comprises a supporting module, a drilling module and a vehicle body, the supporting module is used for supporting and limiting, the drilling module is used for drilling in cast-in-place pile construction and arranged on the supporting module, and the drilling module comprises a sleeve; a first connecting rod is arranged in the sleeve. According to the drilling device, the first connecting rod is arranged in the sleeve, the first connecting rod, the second connecting rod and the third connecting rod can move downwards in sequence, drilling is conducted in sequence through the first drill bit, the second drill bit and the third drill bit, in this way, step-by-step drilling can be conducted according to needs, the drill bits do not need to be replaced during drilling, and rapid drilling of the cast-in-place pile is facilitated; and meanwhile, the first connecting rod, the second connecting rod and the third connecting rod can be retracted into the sleeve, so that the overall length of the drilling module can be reduced, transfer and transportation of the drilling device are facilitated, and meanwhile the height requirement for construction can be lowered.

The invention relates to the field of fixed material drying, and discloses a drying and sterilizing device for chicken essence seasoning processing, which comprises a flash main tower, the flash main tower comprises: a tower tank vertically placed and in the shape of a hollow cylinder; a gap is formed between the bottom edge of the inverted cone and the bottom of the tower tank body; the cooling chamber surrounds the outer wall of the bottom of the tower tank body; the hot air chamber surrounds the outer wall of the cooling chamber, the bottom of the hot air chamber is communicated with the inner cavity of the tower tank body, the top of the hot air chamber is communicated with a plurality of air inlet short pipes which are equidistantly distributed along the periphery of the hot air chamber, the air outlet direction of the air inlet short pipes in the hot air chamber is obliquely downward and blows towards the outer wall side of the hot air chamber, and an air conveying ring pipe is arranged above the top of the hot air chamber; an air inlet of the air conveying ring pipe communicates with an air outlet of the heat source. The technical problems that in the prior art, hot air flowing into the flash main tower is not uniform, and heat attenuation is large are solved, and the effects that the tower bottom of the flash main tower can be cooled, and the heat attenuation of the hot air is reduced are achieved.

The present application discloses a bottom plate device for a steel wire armoring machine, which relates to the field of steel wire rope technology, and includes a device base, wherein a driving rotation mechanism and a mobile plate mechanism are arranged on the upper side of the device base, an armoring machine wheel is arranged on the upper side of the driving rotation mechanism, and the armoring machine wheel is provided with a plurality of clamping fixtures with equal arc distribution and used to install the steel wire disc; the mobile plate mechanism is located at one end of the lower side of the armoring machine wheel, and is used to transfer the fixed steel wire disc to the corresponding clamping fixture. The present application drives the steel wire disc to move to the corresponding position of the armoring machine wheel through the mobile plate mechanism, so that the driving rotation mechanism effectively controls the clamping fixture on the armoring machine wheel to be fixed in the set position after rotation, so as to complete the purpose of putting the steel wire disc on the disc, thereby significantly reducing the difficulty of putting the steel wire disc on the disc, and having the effect of effectively improving work efficiency and safety.

The invention discloses an enzyme catalysis cartilage repair hydrogel preparation device in the technical field of biological material preparation, the enzyme catalysis cartilage repair hydrogel preparation device comprises a shell, a storage chamber, a reaction chamber and a heating chamber are arranged in the shell, a sample introduction assembly is installed in the storage chamber, a stirring assembly and a monitoring assembly are installed in the reaction chamber, and the heating chamber is connected with the stirring assembly. A filtering assembly is mounted between the reaction chamber and the heating chamber; the filtering assembly comprises a mounting shell, connecting plates, connecting rods and fan blades, the fan blades penetrate through the side wall of the mounting shell, the ends, penetrating through the mounting shell, of the fan blades are fixedly connected with the connecting plates, the connecting rods are hinged between the adjacent connecting plates, a first power part is fixedly connected into the mounting cavity, and an output shaft of the first power part is fixedly connected with one ends of the fan blades; a sliding groove is formed in the top of the mounting shell, and a filter plate is slidably matched in the sliding groove. Through optimization in multiple aspects of integrated design, accurate material control, intelligent filtration and the like, the preparation efficiency and quality of the hydrogel are improved, and the preparation cost is reduced.

The utility model relates to the technical field of electroplating, in particular to hydrogen production fuel cell metal pole plate coating equipment which can automatically clean oxide skin on the surface of a metal pole plate before electroplating the metal pole plate, reduces carrying and transferring of plates by workers, and is convenient to use and high in practicability. Comprising a bottom plate, a box and a direct-current power source, the box is fixedly installed at the upper end of the bottom plate, and the direct-current power source is fixedly installed on the box; the electroplating device comprises a box body and further comprises a partition plate, a moving mechanism, a cleaning mechanism, a hoisting mechanism and an electric connecting mechanism, a cleaning cavity and an electroplating cavity are formed in the left portion and the right portion of the box body correspondingly, the partition plate is fixedly installed in the middle of the box body and used for separating the cleaning cavity from the electroplating cavity, and the hoisting mechanism is installed on the moving mechanism which is used for moving the hoisting mechanism. And the hanging mechanism is positioned above the box body.

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 discloses a continuous enhanced washing desalination system and method for waste incineration fly ash, the system comprises at least three washing units which are connected in series, each washing unit comprises a washing tank, a hydrodynamic cavitator, a circulating pump, a first mud-water separator and a second mud-water separator which are communicated to form two sections of external circulating pipelines, and a washing liquid recycling pipeline is formed. The invention further discloses a method for treating the waste incineration fly ash through the system. According to the washing desalination system disclosed by the invention, deep elution desalination treatment is carried out on fly ash by adopting continuous three-stage stirring washing, two-stage forced circulation strengthening and two-stage mud-water separation, so that the desalination treatment on the fly ash can be efficiently and thoroughly completed on the premise of effectively reducing the water consumption; the device has the advantages of being simple in equipment, easy and convenient to operate, small in occupied area, low in cost, water consumption and energy consumption, high in elution efficiency, wide in application range, capable of continuously running, good in running stability and the like, and has an important promoting effect on reduction and resource utilization of the fly ash.

The utility model discloses a puncture surgical instrument device. The injection needle comprises a needle body, a needle sleeve is fixedly arranged on the outer side of the needle body, an injection hole and a laser optical fiber are arranged in the needle body, one end of the needle body is exposed out of the needle sleeve, and an optical fiber connector module is detachably and fixedly arranged at the other end of the needle body; the outer side of the needle body is electrically connected with equipment for generating current, and the laser optical fiber is electrically connected with the optical fiber connector module; a target tissue is electrically stimulated through the needle body, a nervous tissue is positioned, a target tissue inducing tumor pain is accurately found, after the target tissue is found, laser ablation is conducted on the target tissue by placing a laser optical fiber through a mounting hole, and finally, when medicine injection and water separation release need to be conducted on the target tissue, the target tissue is subjected to laser ablation. The liquid medicine can be conveyed to a target tissue through the injection hole; tedious operations such as repeated puncture injury and replacement of puncture needles are avoided, the possibility of tumor metastasis caused by surgical operation can be reduced while the surgical time is shortened, and original nerves are protected to the maximum extent.

The present invention relates to a drug carrier based on bacterial cell membrane and its preparation method and application. The nano drug composition of the present invention includes a drug and a bacterial cell membrane drug-carrying system, wherein the bacterial cell membrane drug-carrying system encapsulates the drug; the bacterial cell membrane drug-carrying system includes a bacterial cell membrane and a liposome; the bacterial cell membrane is wrapped outside the liposome; it can be efficiently enriched in the tumor site, release a drug that can kill Fusobacterium nucleatum, effectively alleviate the immunosuppressive microenvironment caused by Fusobacterium nucleatum, restore the response of colon cancer to anti-cytotoxic T lymphocyte-associated antigen 4 therapy and anti-programmed death receptor therapy, and can also effectively alleviate the resistance of Fusobacterium nucleatum to chemotherapy drugs, and restore the responsiveness of the tumor to the chemotherapy drug 5-fluorouracil. The nano drug composition can also kill a variety of bacteria in the breast cancer tumor site to alleviate tumor metastasis caused by tumor bacteria, and restore the responsiveness of the tumor to the combined chemotherapy regimen.

The invention relates to the technical field of frozen soil microorganism sample collection, in particular to frozen soil microorganism collection and storage equipment which comprises a supporting assembly, an adjusting assembly and a collection assembly, the collection assembly in the equipment is provided with a barrel body, an auger drill bit and a collection barrel, and when the equipment collects frozen soil microorganisms, the auger drill bit needs to be used for breaking a frozen soil layer firstly, and then the barrel body is used for collecting the frozen soil microorganisms; frozen soil drilled by the auger drill bit is conveyed into the barrel body through the collecting barrel, and the frozen soil is prevented from directly falling on the ground, so that on one hand, the frozen soil is prevented from directly falling on the ground, subsequent landfill of the excavated frozen soil is facilitated, and damage to the original ecological environment of frozen soil is reduced; on the other hand, the stability and biodiversity of the frozen soil layer are maintained, on the other hand, the soil of the frozen soil layer is prevented from falling into the excavated and sampled pit hole, the soil of the frozen soil layer can be effectively prevented from being collected together when microorganism samples are collected, and the pollution of the soil of the frozen soil layer to microorganisms is reduced.

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 present invention discloses a method for preparing a silicon-based display panel and its vapor-deposited layer, and a mask plate. The mask plate is used to prepare the vapor-deposited layer of the silicon-based display panel, and includes: at least one opening and a shielding portion surrounding each opening; a supporting structure is provided on the first surface of the shielding portion; in a direction parallel to the first surface of the shielding portion, the size of the supporting structure is smaller than the size of the shielding portion; when the mask plate is used to evaporate the vapor-deposited layer, the supporting structure contacts the silicon-based substrate of the silicon-based display panel. The technical solution of the present invention is to provide a supporting structure on the first surface of the shielding portion, and in a direction parallel to the first surface of the shielding portion, the size of the supporting structure is smaller than the size of the shielding portion, so that when the mask plate is used to evaporate the vapor-deposited layer of the silicon-based display panel, only the supporting structure contacts the silicon-based substrate of the silicon-based display panel, thereby reducing the dust particles attached to the mask plate from being transferred to the silicon-based substrate, thereby improving the cleanliness of the silicon-based substrate and improving product performance.

The present invention provides a CNC machine tool for processing transmission parts of unmanned aerial vehicles, which includes: a base, a protective cover, a cutting arm and a stage. The protective cover is arranged on the base, and an inclined portion and a recovery box are arranged on the base. The cutting arm is located on the inclined portion, and a feed slide is arranged on the inclined portion. The feed slide is used to drive the stage to approach or move away from the cutting arm; the stage includes a base plate, a bracket, a turntable, a flip motor and a plurality of clamps. The base plate is connected to the feed slide, and the turntable is rotatably arranged on the bracket. The flip motor is used to drive the turntable to be parallel to the inclined portion or the horizontal ground; a plurality of clamps are slidably arranged on the turntable, and the turntable is used to drive the clamps to rotate. The inclined portion is inclined to the horizontal ground to guide the edge material generated during the processing to slide down and maintain the cleanliness of the equipment; the turning process and the milling process are all completed on the stage, and there is no need to transfer to other machine tools in the middle, which reduces the number of transfers and clamping during the finishing process, which is conducive to improving the efficiency of workpiece finishing.

The invention discloses an indium phosphide quantum dot with a large Stokes shift and a preparation method thereof, and relates to the technical field of quantum dot materials. The preparation method comprises: isolating an indium precursor from oxygen and water at a first temperature, fully dissolving it, adding a phosphorus precursor and then raising the temperature to a second temperature to react, obtaining an indium phosphide core, then adding a shell precursor, raising the temperature to a third temperature, obtaining a quantum dot of a core-shell structure, and then sequentially adding anion and cation precursors at the third temperature to obtain a quantum dot with an emission peak adjustable between 465 and 650 nm, high quantum efficiency and a large Stokes shift. The quantum dot mainly has a large Stokes shift to suppress self-absorption and non-radiative resonant energy transfer, a wide bandgap shell can effectively passivate surface defects, achieve a high fluorescence quantum efficiency, and the position of the fluorescence emission peak can be adjusted in the visible light range by changing the activity of the precursor, does not contain heavy metal elements such as cadmium and lead, and is relatively friendly to the environment.

The utility model discloses an integrated sampling culture centrifuge tube which comprises a tube body and a tube opening, a telescopic suction tube is communicated between the tube body and the tube opening, an exhaust sampling cover is detachably mounted on the tube opening, and an exhaust plug and a sampling suction head which are communicated with the tube body are arranged on the exhaust sampling cover. According to the integrated sampling and culturing centrifugal tube, the telescopic suction tube structure is adopted, gas in the tube body can be exhausted from the exhaust plug when the telescopic suction tube is compressed, negative pressure is generated in a bottle by stretching the telescopic suction tube, and a biological sample can be directly sucked into the tube body through the sampling suction head; the sampling operation can be completed without using a transfer device such as an injector; besides, the exhaust sampling cover can be taken down to add a culture medium and the like into the tube, culture is directly carried out in the tube, the tube body is similar to an existing centrifugal tube in structure, the tube body can be directly placed on a centrifugal machine to carry out centrifugal operation, sample transfer is reduced, and pollution to the sample can be reduced.

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.

The present application discloses an integrated production line for lotus seed pre-treatment, including: a hot water supply device, a primary soaking device, a stripping device, a primary separation device, a secondary soaking device, an edge-cutting device and a secondary separation device; the primary soaking device includes a plurality of soaking barrels; by sequentially connecting the hot water supply device, the primary soaking device, the stripping device, the primary separation device, the secondary soaking device, the edge-cutting device and the secondary separation device in series, continuous operation between the lotus seed soaking, stripping, lotus skin separation, edge-cutting and lotus core separation processes is achieved. The integrated operation of the lotus seed pre-treatment process is achieved, the material transfer process is reduced, the production efficiency is improved, the floor space is saved, and the labor intensity is reduced. Moreover, the primary soaking device adopts a multi-soaking barrel design, which can realize multi-barrel soaking, ensure the continuous supply of lotus seeds after soaking, and make the overall processing process stable and continuous.

The invention discloses a method for preparing lactulose by electrolysis, comprising the following steps: S1, electrolyzing water; applying a direct current power supply until the pH value of the solution is 14.0 to 14.8; stopping the electrolysis; S2, adding lactose and a montmorillonite / chitosan / Al(OH)3 complex to one side of a hydroxyl aggregation unit; S3, stirring, converting lactose into lactulose, reducing the pH value of the solution of the hydroxyl aggregation unit to 7.5 or below, and at the same time, adding a montmorillonite / chitosan / Al(OH)4 ‑ Converted into montmorillonite / chitosan / Al(OH)3 complex; S4, filter the material, separate the solution and the solid from each other, and obtain a mixture of lactose and lactulose; S5, separate the obtained mixture of lactose and lactulose through a membrane, crystallize, and dry to obtain lactulose; the present invention utilizes electrolysis in conjunction with an electric field to separate and enrich hydrogen ions and hydroxide ions, enriches and catalyzes the conversion of lactose into lactulose through adsorption, and the catalyst has a stable structure and is easy to separate.

The invention discloses an anionic surfactant extraction device which comprises a platform base, a first separating funnel and a second separating funnel are clamped on the platform base from top to bottom through vibration chucks, and vibration motors in driving connection with the corresponding vibration chucks are arranged in the platform base; a pipette is inserted into the first separating funnel on the lower portion of the funnel plug through a vent hole, a lifting rod with a movable fan blade set at the end is arranged in the pipette, and the fan blade set is unfolded when the fan blade set is pushed downwards to move out of a lower end opening of the pipette. The fan blade group retracts into the lower port of the transfer pipette and relatively blocks the lower port of the transfer pipette when the fan blade group moves upwards under upward pulling force, a new experiment platform is designed, operation such as transfer in the traditional technology is reduced, the influence of human factors of experimenters on experiments is reduced, and the experiment efficiency is improved. The physical power consumption of an experiment on personnel is greatly reduced, the standardization is better, the consistency of the experiment is ensured, and the efficiency is improved through batch experiments.

The application relates to the technical field of backlight detection jigs, and specifically provides a backlight detection jig, which comprises a jig body, a backlight placing groove arranged on the jig body and used for placing and fixing a backlight to be detected, a golden finger placing groove arranged on the jig body and communicated with the backlight placing groove and used for placing a golden finger of the backlight, an electrification groove arranged on the jig body and communicated with the golden finger placing groove and used for electrifying the golden finger, a pressing piece hinged to the electrification groove and used for fixing the golden finger in the electrification groove, and a detection switch group comprising an illumination switch, a red light switch, a green light switch and a blue light switch. The illumination detection circuit and the three-primary-color illumination circuit originally belonging to two sets of clamps are unified to one station; the detection switch group can quickly switch the whole lamp illumination mode and the three-primary-color color detection mode without replacing the jig, the link of transferring the product between different jigs is omitted, and the backlight failure rate is reduced.

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 embodiment of the invention discloses an AI-based question interaction method and electronic equipment. The method comprises the following steps: receiving a question proposed by a user; understanding the problem through a target agent Agent and outputting a processing result, wherein the target agent comprises a planner, an inference device and an actuator; the target Agent is used for performing the following processing: with solving the problem as a target, performing task decomposition through the planner, and generating an optimal task for solving the problem; reasoning at least two actions required to be executed for completing the preferred task through the reasoner, wherein the actions comprise a result action and a non-result action; the at least two actions are executed through the executor, and in the process of executing the non-result action, the partially completed stage completion result corresponding to the result action is returned to the user. Through the embodiment of the invention, the user question can be more intelligently answered, and the waiting time of the user is shortened.

The invention provides a tumor inhibition probiotic functional beverage based on an Xu5P enhancer and a preparation method of the tumor inhibition probiotic functional beverage, and relates to the technical field of biological medicines. Comprising the following raw materials in parts by weight: 10-20% of an Xu5P improver, 0.5-2.0% of a probiotic strain, 1-5% of an anti-tumor plant extract, 2-5% of functional cellulose, 0.1-1.0% of vitamins, 0.1-1.0% of a mineral additive, 0.1-2.0% of a polyphenol compound, 1-3% of a plant fermentation product, 0.5-3.0% of a plant-derived active compound, 1-3% of prebiotics, 1-3% of traditional Chinese medicine components and the balance of water. The Xu5P has no obvious influence on the migration and clone formation ability of tumor cells, but by applying the Xu5P or an accelerant thereof in a tumor mouse model, the metastasis of mouse tumors can be obviously reduced, and the CD8 + T cell infiltration and tumor killing function can be improved. The research finds that a scientific basis is provided for tumor treatment, especially tumor metastasis inhibition treatment.

The present invention discloses an enzyme-catalyzed cartilage repair hydrogel preparation device in the field of biomaterial preparation technology, including a shell, a storage chamber, a reaction chamber and a heating chamber are arranged inside the shell, a sampling assembly is installed in the storage chamber, a stirring assembly and a monitoring assembly are installed in the reaction chamber, and a filter assembly is installed between the reaction chamber and the heating chamber; the filter assembly includes a mounting shell, a connecting plate, a connecting rod and a fan blade, the fan blades all penetrate the side wall of the mounting shell, the fan blades penetrate one end of the mounting shell and are fixedly connected to the connecting plate, a connecting rod is hinged between adjacent connecting plates, a first power member is fixedly connected in the mounting chamber, the output shaft of the first power member is fixedly connected to one end of the fan blade, a slide groove is arranged on the top of the mounting shell, and a filter plate is slidably matched inside the slide groove. The present invention improves the preparation efficiency and quality of hydrogel and reduces the preparation cost through optimization of multiple aspects such as integrated design, precise material control and intelligent filtration.

The grinding machine comprises a base, a workbench assembly, a crystal orientation detection mechanism, a grinding assembly and a size detection assembly, the base is provided with a first guide rail and a second guide rail, the workbench assembly comprises a workbench base, a headstock and a tailstock, the workbench base is provided with a third guide rail, and the headstock or the tailstock is slidably connected to the third guide rail; the crystal orientation detection mechanism comprises a crystal orientation detection base and a crystal orientation detection assembly, the crystal orientation detection base is slidably connected to the second guide rail, the crystal orientation detection base is provided with a fourth guide rail, and the crystal orientation detection assembly is slidably connected to the fourth guide rail; the size detection assembly comprises a first detection mechanism and a second detection mechanism, the first detection mechanism is fixedly arranged relative to the crystal orientation detection assembly, and the second detection mechanism is fixedly arranged relative to the second grinding mechanism. According to the arrangement, a plurality of functional parts are integrated on the base, the transfer frequency in the crystal machining process is reduced, and the machining precision and the machining quality are improved.

The invention relates to the field of brake composite materials, in particular to a copper-iron-based brake composite material and a preparation method thereof.The composite material comprises, by weight, 10-60 parts of a metal base material, 1-30 parts of a lubricating material and 1-10 parts of a reinforcing material; the metal base material comprises copper powder, iron powder and aluminum powder in a mass ratio of 5: 5: 1; the lubricating material comprises one or more of graphite, molybdenum disulfide, hexagonal boron nitride and polytetrafluoroethylene; the reinforcing material comprises one or more of aluminum oxide, silicon carbide, tungsten carbide, carbon fiber and glass fiber. Grinding, stirring, drying and extrusion forming mechanisms are integrated in the same equipment, and continuous and automatic operation of material grinding, drying and purging is achieved; the technological process is simplified, the equipment occupied space and the manual operation cost are reduced, and therefore the production efficiency and economic benefits are improved.

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.