36results about How to "Easy to join" patented technology

The utility model discloses a forest fire high pressure pump belongs to forest fire field, including the end of bearing, the outer wall fixedly connected with water storage tank of the end of bearing, is provided with the adjusting assembly in the inside of water storage tank, and the adjusting assembly includes the sliding base fixed in the bottom end of water storage tank, the inner wall sliding connection of sliding base has the adjusting board, two adjusting boards are screwed in the outer wall of two -way screw rod, and two -way screw rod is located in the inner wall rotation of water storage tank, and the end portion fixedly connected with hand wheel of two -way screw rod, through the cooperation of above each device, can pass through the intercoordination of each spare part, reduces the labor intensity of operating personnel, improves the utilization of the water body in the box, improves the effect of extinguishing, through the rotation hand wheel makes two -way screw rod rotate, and then makes two adjusting boards opposite movement, and then extrudes the water body of using to the middle part, and then through the height of water body changes to facilitate water pump fast draws, improves the single -use rate of water body, improves the effect of extinguishing.

This utility model relates to the field of fish farming escape prevention technology, specifically to a fish farming escape prevention device, including a base, a fishing net tube fixedly installed on the top of the base, a barrier tube slidably connected inside the fishing net tube, a sealing plate installed on the top of the barrier tube by screws, and an airbag fixedly connected to the outside of the sealing plate. The airbag changes with the water level. The fishing net tube is equipped with stirring blades to agitate the water flow. The use of the airbag allows the height of the escape prevention device to change with the water level, eliminating the need for manual adjustment and preventing fish from easily flying out or swimming out of the top of the escape prevention device, thus ensuring the effectiveness of the escape prevention device. Furthermore, the external wind force drives the blades to rotate, which agitates the water flow inside the fishing net tube, allowing dissolved oxygen and nutrients in the water to be evenly distributed, avoiding local hypoxia or nutrient overload, and providing a good growth environment for the fish.

The utility model discloses a protection mechanism and a synthetic leather internal mixer thereof. The protection mechanism comprises a feed port, a protection device is arranged on the feed port, the protection device comprises a connecting pipeline, two protection plates are symmetrically arranged at the top of an inner cavity of the feed port, fixing shafts are fixedly connected to the two sides of the top of each protection plate, and mounting mechanisms are arranged on the two sides of the connecting pipeline. The feeding port is moved upwards to drive the connecting pipeline to slide upwards at the top of the feeding pipeline, the top of the protection plate moves upwards along with the feeding port, the top of the protection plate rotates around the fixing shaft, and sealing of the feeding pipeline by the protection plate is relieved; and the bottoms of the two protection plates move oppositely and move to the top end of the feeding pipeline, the opening is closed, and the feeding pipeline is protected conveniently.

The utility model provides a batching device for processing meal replacement powder, which relates to the technical field of meal replacement powder processing and comprises a bottom plate, a belt conveyor is mounted at the top of the bottom plate, a support plate is fixedly connected to the top of the bottom plate, and three blanking cylinders are fixedly connected to one side of the support plate. According to the device, the servo motor is started to drive the first rotating shaft to rotate, the third rotating shaft is driven to rotate under the cooperation of the two first rotating wheels and the first synchronous belt, and meanwhile the second rotating shaft is driven to rotate under the cooperation of the two second rotating wheels and the second synchronous belt; by arranging a servo motor as a driving source, the problems that according to an existing batching device, due to the fact that multiple batching mechanisms are arranged, a large amount of electric energy is consumed due to the fact that multiple motors are arranged to operate at the same time, and the batching efficiency is high are solved. And the manufacturing cost of the device is increased.

This utility model discloses a device for preparing kudzu root powder effervescent tablets, including a base, with a V-shaped mixing tank connected inside the base. A feed inlet is symmetrically fixed to the top of the V-shaped mixing tank, and a convenient opening and closing mechanism is provided at the top of the feed inlet. An auxiliary mixing mechanism is equidistantly arranged on one side of the inner wall of the V-shaped mixing tank. The convenient opening and closing mechanism includes an opening and closing component and a limit-rotating component. This utility model, through its designed screw holes, fastening screws, and hand crank, allows for easy rotation and lifting of the top cover. Simultaneously, with the designed rotating groove, rotating block, limit groove, limit block, pull button, and telescopic spring, the horizontal fixing rod and top cover can be easily unscrewed from the top of the feed inlet for material addition. Compared to existing technologies, this greatly facilitates the addition of kudzu root powder.

The utility model relates to the technical field of livestock manure treatment, in particular to an anaerobic biogas production device for livestock manure, which comprises a base plate, a support component is arranged on the upper surface of the base plate close to the left side, a hydrolysis component and a methane component are sequentially arranged in the support component from top to bottom, and a filter pressing component is arranged on the upper surface of the base plate close to the right end. The filter pressing assembly comprises a treatment barrel and a third sealing cover mounted at the top of the treatment barrel; according to the anaerobic biogas production device for the livestock and poultry manure, by arranging two limiting rings, rapid installation and matching of the hydrolysis cylinder and the reaction cylinder are achieved, the hydrolysis cylinder and the reaction cylinder are connected through a water outlet pipe and a pumping pump, heating matching of the interiors of the hydrolysis cylinder and the reaction cylinder is achieved through a first heating rod and a second heating rod, and under matching of a conveying pump, the biogas production efficiency is improved. A biogas residue mixture obtained after reaction in the reaction cylinder is conveyed to the treatment cylinder, under cooperation of a hydraulic cylinder, biogas residue dehydration cooperation is achieved through a pressing plate, and under cooperation of a clamping plate and a pull ring, a filter screen plate facilitates biogas residue taking-out and cleaning cooperation.

The invention relates to the technical field of steel smelting, in particular to a method for preparing high-cleanliness ultra-low carbon steel from semisteel. The method comprises the procedures of converter tapping, RH refining and slab continuous casting. A ladle slag modifier is added in the converter tapping process; in the RH refining process, deoxidation alloying and adding of composite desulfurization modifier balls are sequentially carried out, so that desulfurization and inclusion modification are synchronously realized. By means of the specific ladle slag modifier, the unique double-layer composite desulfurization modifier ball and the matched refining process, the problems of deep desulfurization and high cleanliness control during ultra-low carbon steel smelting through semi-steel are successfully solved, the technical effect is remarkable, and the method is superior to a conventional process.

The application provides a text semantic representation method and system based on entity enhancement, comprising: obtaining a text encoding model and an entity enhancement encoding model, the entity enhancement encoding model being composed of a serially connected external entity vector representation module and a context-related entity information encoding module; extracting a first representation vector of a target text through the text encoding model; identifying a word sequence representing an entity in the target text through the external entity vector representation module, determining which entities in a knowledge base are associated with the word sequence, and obtaining an entity vector representation of the entity corresponding to the word sequence in the knowledge base; the entity information encoding module comprises a plurality of serially connected entity adapter layers, and the input of the entity information encoding module is an entity vector representation and a hidden state of an intermediate layer of the text encoding model; the features output by the last entity adapter layer are used as a second representation vector of the target text; and the first representation vector and the second representation vector are fused to obtain a semantic representation result of the target text.

The utility model relates to the field of acid degreasing agent corrosivity testing, in particular to an acid degreasing agent corrosivity testing device. The utility model provides an acidic degreaser corrosivity testing device which can quickly and automatically switch the testing cups, is convenient to add an acidic degreaser into the testing cups, and is convenient to use. An acidic degreaser corrosivity testing device comprises a base, a servo motor, a rotary table and the like, the servo motor is connected to the front lower portion of the base and electrically connected with a processor through a control module, and the rotary table is rotationally connected to the upper portion of the base. The servo motor drives the gear to rotate, the gear and the gear ring are meshed with each other to move, the rotary table is driven to continue to rotate, the empty test cups are located below the agent discharging cylinder, and the effects that the test cups can be rapidly and automatically switched, acid degreasing agents can be conveniently added into the test cups, and use is convenient and fast are achieved.

A syringe for laboratory use and its method of use include a syringe body, a piston disposed within the syringe body, a push-pull rod disposed at one end of the piston, a front plate disposed at one end of the syringe body, and a rear plate disposed at the other end of the syringe body. A perforation is formed in the rear plate, through which one end of the push-pull rod passes. A short outlet tube and a feed inlet are disposed in the front plate. The short outlet tube is located on the vertical center line of the front plate, with its inner edge close to the inner edge of the syringe body. A plug is disposed in the feed inlet. A cleaning port is formed in the rear plate. The syringe is placed horizontally with the short outlet tube positioned above the front plate to expel excess air from the liquid within the syringe body, leaving a small amount of air inside. The syringe is then rotated 180° axially so that the short outlet tube is positioned below the front plate. The syringe is connected to an injection pump. The length of the liquid column within the syringe body is read from a length scale. This value and the injection time are input into the injection pump, and the injection begins.

The utility model discloses a portable medicinal refrigeration box belongs to the field of medicine refrigeration technology, the utility model discloses a box body and setting in the medicine taking tray of taking medicine of box body. The box body includes the top cover, the side plate and the bottom plate of connection in proper order. The number of side plate is 4, and 4 side plate surrounds and forms the box wall, is equipped with the medicine taking door for taking medicine on the side plate. The bottom plate is detachably connected with the box wall, and the surface of the bottom plate is equipped with a plurality of independent grooves for placing ice blocks. The medicine taking tray is arranged on the bottom plate, and a plurality of independent medicine storage compartments are arranged in the medicine taking tray. Each medicine storage compartment can put medicine from the top and take medicine from the side. The utility model discloses a medicine taking tray, and a plurality of independent medicine storage compartments are arranged on the medicine taking tray. Medicine can be placed in the medicine storage compartment, reducing the temperature influence between medicines.

The utility model discloses an electrophoresis micro -fluidic chip glue filling device, including work platform, the upper end position department of work platform is fixed with fixed column, the inside position department of fixed column is fixed with limit post, the outer wall position department of limit post is sleeved with support frame, the lower end position department of fixed column is provided with stainless steel spring B, when using, the chip is placed in the inside position department of X axle sliding block, and the chip is clamped through the clamping plate, and the clamping plate is adhered to the outer wall position department of chip through the elastic force of stainless steel spring A, and this mode can clamp the chip of different sizes, after completing the chip clamping, the staff controls X axle sliding block and moves, and can move back and forth through Y axle moving plate, and X axle sliding block moves laterally at the upper end position department of Y axle moving plate, so that the staff only needs to control the chip and moves, and through this mode, the flexibility of use can be increased.

The utility model relates to the technical field of skin care product raw material mixing, in particular to a raw material mixing device for skin care product production, which comprises a mixing barrel and a mixing mechanism for mixing raw materials, the mixing mechanism comprises a motor, an output shaft of the motor is fixedly connected with a rotating shaft, a first spiral blade and a second spiral blade are fixedly mounted on the rotating shaft, the first spiral blade penetrates through a fixed barrel, a supporting rod is mounted on the circumference of the fixed barrel, and the supporting rod is fixedly connected to the inner wall of the mixing barrel; and a stirring mechanism is mounted on the rotating shaft. According to the mixing device, raw materials can be conveniently added into the mixing barrel by opening the turning cover, and the raw materials are uniformly scattered out of the material receiving barrel through the material scattering groove by virtue of the material scraping plate, so that the solid raw materials and the liquid raw materials are fully mixed, and the mixing effect is improved.

The utility model relates to the field of medicine distribution boxes, in particular to a detachable and adjustable nursing medicine distribution box which comprises a medicine storage box body. The medicine storage box further comprises a rotating plate and a containing pipe, a lifting lug is fixedly connected to one side of the medicine storage box body, a medicine outlet is formed in the other side of the medicine storage box body, a buckling groove is formed in the lower side of the medicine outlet, the lower end of the medicine storage box body is rotationally connected with the rotating plate through a rotating shaft, and a first spring is installed between the rotating plate and the medicine storage box body. Nursing medicine is separated and stored through the medicine storage box body, medicine discharging and taking are facilitated through the medicine outlet, the medicine storage box body is installed through butt joint of the medicine outlet and the buckling groove, the rotating plate is convenient to move through the buckling plate, and medicine adding or cleaning and maintenance of the medicine storage box body are facilitated. The first spring drives the rotating plate to push the medicine to enter the medicine outlet, the medicine distribution box and the medicine taking device are separated and installed through the medicine storage box body, the medicine outlet and the buckling groove, and the first spring, the rotating plate and the medicine outlet are used for charging and discharging the medicine.

The application relates to the technical field of capacitors, in particular to a dielectric material for a multilayer ceramic capacitor and a preparation method thereof. The preparation method comprises the following steps: preparing a BaTiO3 suspension; adding Mg(Ac)2 into the BaTiO3 suspension first, then adding Mn(Ac)2, and then adding one or more compounds selected from Y(Ac)3, Ho(Ac)3, Er(Ac)3, Yb(Ac)3, Gd(Ac)3 and Dy(Ac)3, and then mixing and roller grinding to obtain a mixed suspension; adjusting the pH value of the mixed suspension to 9-11 to obtain a precursor; drying the precursor, and then pre-sintering to obtain modified barium titanate powder; adding the modified barium titanate powder into water, and then adding other additives, and then stirring and dispersing to obtain the dielectric material. Through modification of the main dielectric material and optimization of the adding mode of the other additives, the dielectric material has high dielectric performance and high reliability.

The utility model discloses a raw material preheating conveying structure is used in micro crosslinking foamed material production, including high -speed mixing machine, be equipped with mixing jar on high -speed mixing machine, be equipped with stirring rod in the mixing jar, one side of high -speed mixing machine is equipped with drive motor, drive motor is linked with stirring rod through the belt, the mixing jar top opening is equipped with apron, be equipped with a plurality of heater on the apron, heater inserts the mixing jar inside, heater does not have interference with stirring rod, the discharge end of mixing jar is equipped with screw conveyer, be equipped with electromagnetic heating sleeve on screw conveyer, electromagnetic heating sleeve and heater all are electrically connected with high -speed mixing machine. The utility model discloses through setting up multiple heaters in the mixing jar of high -speed mixing machine, can carry out preheating to the raw material of micro crosslinking foamed material through heater, through low -temperature heating to remove the moisture in raw material, and let resin slightly soften to promote mixing uniformity.

The utility model discloses a ball screw pre-tightening device of a numerical control machine tool, and relates to the technical field of ball screws. The lead screw comprises a lead screw body, a lead screw nut and a pre-tightening nut, the lead screw nut and the pre-tightening nut are installed on the peripheral side face of the lead screw body, a gasket is installed between the lead screw nut and the pre-tightening nut, the pre-tightening nut comprises a first assembly and a second assembly, and first pressing grooves are formed in the two sides of the lead screw nut respectively. Second pressing grooves are formed in one surface of the first assembly and one surface of the second assembly, and flat keys are jointly installed between the first pressing grooves and the second pressing grooves. Through the flat key and the pressing key screw structure, the first assembly and the second assembly can be conveniently installed and detached from the lead screw nut, meanwhile, the first assembly and the second assembly can be conveniently detached in cooperation with the connecting plate, the extending plate and the clamping plate structure, the pre-tightening nut is made to be separated from the lead screw body, and a gasket can be conveniently added; and the screw rod body does not need to be disassembled, so that the use convenience and the working efficiency of the device are improved.

The application provides a quantum dot magnetic fluorescent encoding microsphere and a preparation method thereof. The quantum dot magnetic fluorescent encoding microsphere comprises a parent sphere, N layers of child spheres on the surface of the parent sphere; N is an integer greater than 1; each layer of child sphere only contains quantum dots of one wavelength, and different layers of child sphere contain quantum dots of different wavelengths; the child sphere is connected with the parent sphere through a chemical covalent bond formed by the reaction of carboxyl and amino, and the child sphere is connected with the child sphere of the adjacent layer through a chemical covalent bond formed by the reaction of carboxyl and amino; the synthesis of the child sphere is achieved by taking mesoporous silica nanospheres or solid silica nanospheres as templates, loading quantum dots on the surface of the templates, and then coating silica to obtain the child sphere; the quantum dots of each layer of child sphere are the same, the N layers of child sphere contain m kinds of quantum dots, and m is less than or equal to N. The quantum dot magnetic fluorescent encoding microsphere has a smaller variation coefficient and a higher encoding capacity.

This utility model provides a potato ton bag hoisting machine with a flipping function, relating to the field of potato ton bag hoisting technology. It includes a mobile vehicle with a hoisting assembly on its exterior. The hoisting assembly includes a hoisting frame and a fixed frame fixed to the outer surface of the mobile vehicle. Two symmetrical bearing hooks are fixed to the bottom surface of the hoisting frame. A flipping assembly is also provided on the exterior of the mobile vehicle. The flipping assembly includes a moving plate and a U-shaped frame fixed to the upper surface of the fixed frame. Two symmetrical rotating rods are rotatably connected to the inner wall of the U-shaped frame. This potato ton bag hoisting machine with a flipping function, through the hoisting and flipping assemblies, can hoist potato ton bags to a high position and then flip them over to facilitate the discharge of potatoes from the ton bags, making it easier to add the potatoes to processing equipment. Compared to the existing method of pushing the ton bags to the ground, this improves the discharge efficiency of potatoes from the ton bags and saves time.

This utility model belongs to the field of yeast mixing technology and discloses a yeast mixing device. Existing mixing devices discharge the mixed material by turning the mixing tank over, which requires opening the lid each time the material is discharged, making it inconvenient to use. The technical solution of this utility model includes a tank, with evenly distributed support legs fixedly installed on the bottom of the outer wall of the tank. A feed inlet is opened on the top surface of the tank, and a discharge pipe is fixedly installed on the bottom of the tank. A movable shaft is set inside the tank, and a moving device is set on the tank to drive the movable shaft to move up and down. A stop block is rotatably installed at the lower end of the tank, and a rotating device is set inside the tank to drive the movable shaft to rotate. Evenly distributed mixing shafts are fixedly installed on the outer periphery of the movable shaft. This utility model includes a stop block, which can control the opening and closing of the discharge pipe, thereby controlling the discharge of material. The discharge method is simpler and more convenient to use.

This invention discloses an ultra-high voltage ceramic vacuum tube shell forming production device and forming process, including a support column, a forming mechanism on the outside of the support column, the forming mechanism including a turntable, the body of the turntable being rotatably connected to the outer surface of the support column, a mold being set at equal angles on the top of the turntable, two fixed plates being fixedly connected to the outer surface of the support column, a grinding cylinder being rotatably connected to the body of one of the fixed plates, the interior of the grinding cylinder being arranged with a coarse grinding zone and a fine grinding zone from top to bottom, the body of the turntable having through holes at equal angles, the interior of the through holes being connected to the interior of the grinding cylinder, and a toothed ring being fixedly connected to the outer surface of the turntable. This invention relates to the field of ceramic vacuum tube shell production technology, and solves the problems of existing alumina ceramic vacuum tube shell forming production devices having cumbersome processing steps and requiring a large amount of equipment, resulting in a large actual footprint and reduced actual processing efficiency.

The utility model discloses a kind of uncapping power-off interlocking protection devices, it is related to dough mixer equipment technical field, including dough mixer body and box cover, the left end of dough mixer body is fixedly installed with motor for dough mixing, box cover is fixedly connected with mounting bracket, mounting bracket is fixedly connected with fixed block, the downside of fixed block is provided with fixed plate, fixed plate is fixedly connected with locking block and driving block, fixed block is provided with the pressing piece for driving fixed plate lifting, the inside of fixed block is provided with fixed assembly, fixed rack is fixedly connected on dough mixer body, fixed rack is fixedly connected with shell, the inside of shell is provided with locking piece and starting piece, the intercoordination of pressing piece, fixed assembly, locking piece and starting piece in the device, box cover needs to be closed and is locked, to start motor, after box cover and dough mixer body are in the state of unblocking, control switch is in open state, motor is in closed state, avoid accident when lid is opened.

The invention provides a test card which comprises a main body part, a first sealing cover part, a cover body and a dehumidification part, the main body part is provided with a sample adding cavity and a detection cavity, the surface of the main body part is provided with a first opening and a second opening, the first opening is communicated with the sample adding cavity, and the second opening is communicated with the detection cavity; the cover body can seal the first opening in an opening and closing manner; the second opening is sealed by the first sealing cover piece; wherein at least the cover body, the first sealing cover piece and the main body piece jointly form a sealed space comprising a space in the sample adding cavity and a space in the detection cavity, all the spaces in the sealed space are communicated with one another, and the dehumidification piece is located in the sealed space. According to the test card provided by the invention, the cover body is designed to be openable and closable, so that a sample can be conveniently added into the sample adding cavity, and meanwhile, a sealed space can be formed for mounting a dehumidification part, so that the consumption of the dehumidification part is saved and the assembly efficiency is improved.

The application discloses an automatic construction system and working method of a knowledge graph, comprising an information collection module, a schema generation module, an information extraction module, an information fusion module and a pre-training language model; the schema generation module and the information extraction module are used for expressing natural language texts in the form of a prompt deep learning model; the information collection module is used for collecting unstructured text corpus and corresponding schema information, including but not limited to unannotated internet text corpus; the pre-training language model is arranged in a server, and is trained in the form of a transformer-based encoder-decoder deep learning architecture, so as to perform self-supervised training on the text corpus; then, the pre-training language model is fed back to the schema generation module and the information extraction module after corresponding fine-tuning, so as to improve training accuracy; the application solves the problem that information extraction based on schema guidance depends on artificial given schema structure but cannot solve the problem that background information relied on by automatic construction of the schema and extraction is limited to current texts and cannot effectively utilize the constructed knowledge graph.

The application relates to the technical field of household appliances, in particular to a mounting structure and a bathroom heater, wherein the mounting structure comprises a hanging assembly and a tightening assembly; the hanging assembly is arranged on a panel; the tightening assembly is arranged on a box body, and comprises a traction member and a first connecting member arranged at a free end of the traction member; the traction member can be switched between an extended state and a retracted state; in the extended state, the traction member moves in a first direction; in the retracted state, the traction member moves in a second direction. The mounting structure of the application pulls the panel to the box body and tightens the panel to the box body through the retraction force of the traction member; the traction member applies a concentrated pulling force to the hanging assembly, the pulling force is not affected by the thickness of a suspended ceiling or the installation angle, so that the pulling forces at the connecting points of the hanging assembly and the panel are consistent, the problem of uneven stress on the panel caused by different thicknesses of the suspended ceiling or different installation angles is avoided, and the connection stability between the panel and the box body is improved.

The invention discloses a multi-anomaly detection early warning method and system based on a large model, and relates to the technical field of biological sample storage automation, and the method comprises the steps: collecting and obtaining a frame sequence and shooting parameters; outputting a structured exception list; calculating a unified score and an index; outputting a gating level according to the configurable gating level set and the threshold interval and the decision function thereof; and the recheck closed loop is butted with the visual early warning packet. According to the method, various abnormities can be covered, the method can be expanded to any newly-added exception category through an exception plug-in mechanism, and compared with a scheme which only completes identification or post-event disposal, scene understanding, structured exception, unified gating and correction reinspection are solidified into a standardized interface and time sequence, empty grabbing, falling and sample damage are reduced, and the method is suitable for large-scale popularization and application. The door opening exposure time is shortened, the product stability is enhanced, and the technical problem that low-temperature sample grabbing abnormities are difficult to process in a unified mode is solved.

The utility model relates to a cooking equipment technical field provides a raw material cooking automatic control device, include: support, still include: bottom plate, fixed mounting in the support near the opposite side at bottom, and the top of bottom plate is provided with the cooking pot. The utility model, through making the cooking pot heating to the raw material in its inside carries out the cooking, through the real -time monitoring of the air pressure sensor to the air pressure in the cooking pot inside, when the air pressure in the cooking pot inside is higher than the limit, through air pressure sensor signal transmission to the controller, again through controller control solenoid valve opens to the gas in the cooking pot inside is made to the outside through the pressure relief pipe and exports, through the display screen convenient observation air pressure and temperature, like this when the air pressure in the cooking pot inside is too high, need not staff supervision, and manual to the cooking pot pressure relief, in time to the air pressure and temperature in the cooking pot inside control, and control the start -stop of cooking pot to guarantee the effect that the raw material cooks in the cooking pot inside.

The invention belongs to the technical field of literature information processing, and particularly relates to an intelligent assistant system integrating PDF analysis and retrieval enhancement generation. According to the system, intelligent analysis of PDF literatures is realized through a multi-modal PDF deep analysis module, texts, pictures, tables and metadata are extracted, and semantic partitioning is carried out; the text blocks are converted into high-dimensional semantic vectors through a vectorization and knowledge base construction module, and efficient indexes are established; receiving a natural language query of a user through an intelligent retrieval module and retrieving related fragments; an accurate and traceable question and answer result is generated by combining an RAG and LLM interaction module with a reordering technology and a large language model. According to the method, the powerful ability of a large language model and a retrieval enhancement generation mechanism are combined, the problems that a traditional literature tool is insufficient in semantic understanding, low in retrieval efficiency and large language model illusion are effectively solved, accurate knowledge services such as intelligent question answering, abstract generation and trend analysis can be provided for researchers, and the method is suitable for popularization and application. And the document processing efficiency and the information credibility are obviously improved.