70results about How to "Achieve specialization" patented technology

The invention provides a digital control system of a great-power bidirectional electric automobile charger system converter, belonging to the technical field of electric automobile chargers. The control system adopts a structure of matching a DSP (Digital Signal Processor) with a PLD (Programmable Logic Device) and combines the stronger data operational capability of the DSP, the high integration of the PLD and the repeated programming property of hardware, thereby making the structure of the controller hardware compact and greatly improving versatility, reliability and real-time property. The controller charger proposed by the invention can charge various batteries to reach a fully charged state at a higher speed without influencing the service life of the batteries and is convenient to adopt various intelligent charging strategies.

The invention relates to a novel multi-functional medical stretcher vehicle. The stretcher vehicle consists of a rolling table top 1, a table top supporting lifting system 2, a rotary bearing base plate 3, a rotary connecting drive structure 4 and a base plate system 5. By the stretcher vehicle, the height of the table top is automatically adjusted, the table top or the base plate is automatically rotated, and the length of the base plate is changed by automatically stretching and contracting the table top, so that the stretcher vehicle can enter a sickroom with a narrow space and a narrow clearance among sickbeds, can have the height consistent with that of the surface of the sickbed, an operating table top, a cart table top and an inspection table top and is parallelly close to the sickbed, an operating table, a cart table and an inspection table; through automatic rolling of the table top, a patient can be moved horizontally, so that the patient can be respectively moved transitionally from the stretcher vehicle to the sickbed, the inspection table, a stretcher vehicle and the operating table; therefore, labor intensity of medical staff is reduced, manpower and time are saved, dignity of the patient is maintained, patient pains are reduced, complication due to carrying is avoided, and the technological level and quality of the modern medical nursing service are improved.

The invention discloses a hydropower station remote centralized control and quick service platform, which comprises a hydropower station technical data center, a hydropower station field measurement and control system, a hydropower station and equipment manufacturer management system, a hydropower station backstage centralized control system, a communication management system, a hydropower station fault analysis system, a fault quick processing system, an economic operation management system and a public service system. The communication management system uses an optical fiber channel, satellite or 3G / 4G network communication mode to build complete communication channels among systems for mutual connection. Based on a big data and cloud computing condition, an Internet + mode is used for realizing no man on duty or few men on duty for the hydropower station, design, production, selling, mounting, maintenance, operation and the like in the hydropower industry can be merged organically, and a complete ecological industry chain for the industry is formed; and after remote centralized control management and quick repair service are realized on a hydropower station cluster, the shipment inspection persons are reduced by 98%, the fault repair time is shortened, and the economic benefits are improved significantly.

The invention relates to a system and a simulation method for transmission tower structure static mechanic analysis. Modeling of a transmission tower is carried out by utilizing a development function of software of finite element analysis, a transmission pole section bar and a rod piece material are integrated, the dead load or the icing load of a transmission pole and a lead as well as the wind load of a tower body and the lead are computed through directly inputting the actual work condition data of the transmission tower, and comprehensive analysis processing is carried out on the loads to generate an analysis report, a stress nephogram and an aberration nephogram, so that a complicated computational process and a complicated operation process are reduced, and thus the design of the transmission tower becomes fast and effective.

The invention discloses an on-line pesticide mixing plant protection unmanned aerial vehicle and a control system thereof. The on-line pesticide mixing plant protection unmanned aerial vehicle mainlycomprises an unmanned aerial vehicle body, an on-line pesticide mixing device and the corresponding control system. A traditional pre-pesticide-mixing structure is abandoned, the on-line material mixing mode is adopted, a pesticide tank and a water tank are separated, on-line mixing of a pesticide and water is completed through a water flow inside the plant protection unmanned aerial vehicle system or pipeline exterior energy, standardization, specialization and precision application of the pesticide is achieved, environmental protection and manipulator safety serve as the core, and the requirement of agricultural sustainable development is met.

The invention discloses a training scene simulation system and method for a minimally invasive cardiovascular interventional operation. The system comprises a medical information data storage system, a medical image processing and analytical application system and a medical visualization application system. The medical information data storage system is used for storing human body original medical image information and operation record information. The medical image processing and analytical application system is used for reading the image sequence of a certain selected case, carrying out preprocessing, image segmentation and feature extraction on the read image sequence and outputting the processed image sequence to the medical visualization application system. The medical visualization application system is used for utilizing a volume rendering algorithm for carrying out three-dimensional reconstruction on the information the basis of the image information processed by the medical image processing and analytical application system, therefore, the blood vessel stereoscopic model of a case operation area is obtained, an operating object is provided for operation simulation training, and an operator can obtain real-time position information of medical instruments and the relative positions between the medical instruments and blood vessels.

The invention discloses an intelligent three-dimensional production system for insect breeding and a breeding method, and relates to the technical field of internet of things and artificial intelligence. The intelligent three-dimensional production system comprises a management server, a breeding box automatic assembly line system, a plurality of three-dimensional placement frames arranged in a breeding area, an environment control device, an environment monitoring sensor system and a plurality of breeding boxes arranged in the three-dimensional placement frames, wherein the breeding box automatic assembly line system comprises an annular belt conveying device, a weighing device, a camera and an automatic feeder; the weighing device, the camera and the automatic feeder are connected with the management server; the annular belt conveying device is connected with the three-dimensional placement frames through butt joint modules; and the management server is further connected with the butt joint modules. The management server and the breeding box automatic assembly line system are used for conveying the breeding boxes regularly and carrying out video detection, weighing and feedstufffeeding; and the breeding specialty and the scientific and technological means are combined, so that a standardized, professionalized and unmanned insect breeding process is achieved.

The invention discloses an integrated control system of a movable house. The integrated control system comprises an integrated board, a controller, a display panel, a cloud platform server and a pipeline system, wherein the controller is mounted on the integrated board and connected with the display panel; the pipeline system comprises a blow-off pipeline, a water pipeline and a power wiring pipeline, wherein the blow-off pipeline and the water pipeline penetrate through the integrated board, and each of the blow-off pipeline and the water pipeline is provided with inlet and outlet connectors; the inlet of the blow-off pipeline is connected with an indoor blow-off connector, while the outlet of the blow-off pipeline is connected with an outdoor blow-off pipeline connector; the outlet of the water pipeline is connected with an outdoor domestic water pipeline connector; the outlet of the water pipeline is connected with an indoor domestic water pipeline connector; a power wire is arranged in the power wiring pipeline. The integrated control system is capable of positioning motor homes and visitors going into a motor home campsite in real time and realizing immediate two-way communication; as a result, the efficiency of security, rescue and crisis handling is greatly improved; in the aspect of guaranteeing the safety of the visitors, advanced early warning, immediate handling, accident reduction and accident influence reduction are realized.

The invention relates to a digital control device of a converter, which is a fully-digitized control device scheme of a flow battery energy storage converter based on TMS320F2812 DSP (Digital Signal Processor) chip control. The invention proposes a flow battery electric energy management system by studying the charge and discharge properties and the charged state of the flow battery and the application of peak clipping and valley filling of electric energy. Proved by practical application, the control device has good converting performance, can make the flow battery reach the fully charged state at a high rate, and does not influence the service life of the battery.

The invention discloses a power transmission tower structural mechanical analysis and App (Application) establishment method which comprises the following steps: on the basis of COMSOL Multiphysics software, modeling according to a structure of a power transmission tower and a cross section and a material of a rod, applying external loads such as self weights, wind and ice loads of power transmission towers, leads and insulators, performing stress analysis on the power transmission tower, and generating stress cloud atlas, deformation cloud atlas and result reports; secondly, through an App developer inside the software, designing an App of power transmission tower structure stress analysis by using a form editor and a method editor. The method can be widely applied to finite element modeling and structure stress analysis on a power transmission tower, and by using the App established simultaneously, non-professional operators without skills of finite element modeling and simulation analysis can be enabled to obtain calculation results by rapidly modifying parameters of models.

The invention discloses a seeding management system of a greenhouse. The seeding management system comprises a seeding management unit, a temperature management unit, a water replenishment management unit and an insect pest and disease damage management unit, wherein the seeding management unit comprises a seeding bedstead with a multilayer bedstead, the temperature management unit comprises a temperature sensor, an illumination intensity sensor, a transom window, a solar protection device and a film winding device, the water replenishment management unit comprises a soil humidity sensor and a spray irrigation device, and the insect pest and disease damage management unit comprises an insect-prevention net. The seeding management unit can realize early-stage layering and staged seeding operations so that post-stage seeding light supplementation is convenient to be carried out; the temperature management unit keeps the temperature in the greenhouse within 28-35 DEG C suitable for the growth of seedings; the water replenishment management unit realizes suitable water replenishment on the seedings according to the humidity of the soil; and the insect pest and disease damage management unit prevents the seedings from being damaged by insect pests and diseases by utilizing the insect-prevention net. According to the seeding management system of the greenhouse, disclosed by the invention, seeding, temperature, water replenishment and prevention on the insect pests and diseases can be controlled and managed in a seeding process of the greenhouse so that the professionalization and the systematization of seeding of the greenhouse are realized.

The invention relates to a steel bar mechanical connection process in building construction, particularly to a large diameter steel bar connecting sleeve. The large diameter steel bar connecting sleeve comprises a connecting sleeve, a clamping piece and a fastening sleeve and is characterized in that the clamping piece is positioned at the internal side of the connecting sleeve; the fastening sleeve is positioned at the external side of the connecting sleeve; and the clamping piece and the connecting sleeve are wrapped inside the fastening sleeve. The large diameter steel bar connecting sleevecan connect two large diameter steel bars (above 16 diameters) coaxially and firmly and effectively bear and transfer the axial tension or the axial pressure of the two steel bars. In the case of thesteel bar mechanical connection process adopted at present, the invention can effectively reduce the equipment investment and save the occupied construction site and the labor force. Because the specialization and the social division of labor of product production are realized, the quality of products is reliable, working procedures are simple and rapid, and the construction progress can be accelerated.

The invention relates to the artificial propagation technology of SPF experimental hare, which comprises elements, such as breeding shed layout design, artificial insemination, semen collection and detection screening, inheritance purity family control technology, female hare aphrodisiac, concentrated breeding, full-in full-out feeding and the like; the hare shed layout is microcommunity and large scale; the semen collection and detection screening technology is used for preparing a semen product through processing semen by artificial collection technology training, quality detection, dilution with diluent and the like; the concentrated inheritance purity family control technology is used for accurately guiding works of breeding and matching by means of breeding software and field breeding family records to ensure that the inheritance background of each hare is clear so as to avoid inbreeding; the female hare aphrodisiac technology is used for making the female heat and ovulate in the same time through biology treatment method, hormone treatment method and environment stimulation method; the concentrated breeding technology refers to concentrated matching, concentrated farrowing, concentrated breeding and concentrated slaughtering on the basis of concentrated reproduction; and the full-in full-out technology refers to clearing, sterilizing and cleansing hare sheds regularly based on the concentrated breeding technology and the layout design of the hare shed to improve the sanitary level of the hare sheds; and by the invention, direct contact between the male hare and the female hare is avoided so as to reduce opportunity of pathophoresis and injury.

The invention relates to an intelligent control system and method of a bunker network. The system comprises an electronic differential pressure gauge, a mechanical differential pressure gauge, a pinch valve barometric switch, a pipe clamp trigger switch, a mechanical charge level indicators, a foil gauge sensor, a strain type charge level indicator and a bunker safety controller, wherein the mechanical differential pressure gauge and the electronic differential pressure gauge are arranged at the top of a bunker, the pinch valve barometric switch controls a pinch valve, the pipe clamp trigger switch controls a pipe clamp, the mechanical charge level indicators are arranged in the upper and lower portions of the bunker respectively to monitor the charge level in the bunker, the strain type charge level indicator is arranged at the bottom of the bunker, and transmits charge level information to the bunker safety controller via the foil gauge sensor, and the electronic differential pressure gauge, the mechanical differential pressure gauge, the pinch valve barometric switch, the pipe clamp trigger switch and the mechanical charge level indicators are all connected with the bunker safety controller. The system and method have the advantages that the bunker can be managed intelligently, and safe and environment-friendly operation of the bunker is ensured.

The firework exploding and sounding agent without chlorate and perchlorate comprises composite oxidant, inflammable sulfur, easy-to-burn aluminum powder and density regulating agent, and features the composite oxidant comprising potassium nitrate 10-50 wt%, barium nitrate 50-90 wt% and potassium permanganate 0-25 wt%. The firework exploding and sounding agent has also added pH regulating agent boric acid and deactivating agent magnesia or stearic acid. The firework exploding and sounding agent has high heat stability, no decomposition under 75 deg.c and minus 25-35 deg.c for 48 hr, friction sensitivity lower than 60 %, knocking sensitivity lower than 50 %, no burning and explosion in falling test and sympathetic detonation test, high fire approaching performance and no special requirement in firing line, and may be used in type B and type C firework products.

The invention discloses an electronic commerce system for providing patent and law services based on the Internet. The electronic commerce system comprises a website foreground management system and a background management system; the background management system comprises a master management system, a mechanism management system and a personal management system; the master management system controls the mechanism management system and the personal management system; the mechanism management system controls the personal management system; an applicant submits a business to the personal management system or the mechanism management system through the website foreground, fee is paid to the master management system through the website foreground or an artificial mode; the personal management system or the mechanism management system receives and handles the business and the business after settlement is fed back to the master management system; the master management system receives a business settlement feedback and then automatically or artificially pays the fee to the mechanism management system. The electronic commerce system organically combines the powerful network resources with social resources, realizes on-line business management and payment, and provides convenient and comprehensive related services to the client like patent application, trademark registration, law right protection, etc.

The invention discloses a pre-embedded hole drill carriage for coal mine. The pre-embedded hole drill carriage for the coal mine comprises a drilling mechanism, a traveling chassis and a driving control part, the driving control part is arranged at the front of the traveling chassis, and the drilling mechanism comprises a rotating device arranged above the middle of the traveling chassis, a lifting device arranged on the rotating device, and a drilling device arranged on the lifting device in a sliding mode. The pre-embedded hole drill carriage for the coal mine is reasonable in structure design, good in rigidity, free in traveling, reliable, capable of working under a hostile environment, narrow, convenient to give another the right of way in a narrow coal mine roadway, and capable of realizing the safe, effective and mechanical working targets of the pre-embedded hole construction of the coal mine of China, and the pre-embedded hole drill carriage is a very ideal pre-embedded hole construction device.

The invention relates to a processing method of mactra veneriformis soup, which comprises the steps of: purifying fresh mactra veneriformis, entering a cooking and separating device for separating out mactra veneriformis juice after the mactra veneriformis spits sand; settling the separated mactra veneriformis in a settling pond, removing impurities; and concentrating the settled mactra veneriformis, adding ingredients according to different processing requirements, and canning after being sterilized at high temperature. The invention has simple process and reasonable design, effectively solves the problem of development and utilization of the mactra veneriformis juice, avoids environment pollution caused by the waste of the mactra veneriformis juice, provides various delicious condiments for people, and has better economic and social benefits.

The invention discloses a high-accuracy anti-oxidation electrode, and belongs to the field of high-accuracy electrodes. According to the high-accuracy anti-oxidation electrode, a base of the electrodeis made from aluminum, and the surface of the base is painted with a gold material coating; therefore, with the application of the treatment mode, the conductivity of an electrode main body is guaranteed, and oxidation resistance of the electrode main body is enhanced, so that the electrode can serve for a long time. An under-pan, which functions as fixing, is arranged at the outer side of the electrode main body, and a stable base is formed in the part, in correspondence to a lead hole, of an electroencephalogram cap, so that firm fixing can be guaranteed, and the electrode can be partiallydetached under such special situations that the number of leads is reduced and the like; therefore, modularization and professionalization are achieved.

The invention discloses an automatic living-body subpackage-bag-type trichogramma releasing device and a preparation method thereof. The automatic living-body subpackage-bag-type trichogramma releasing device comprises a machine body. The machine body comprises a bracket mechanism and a cabinet mechanism. One side of the bracket mechanism is provided with a plurality of transmission shafts. The transmission shafts are wound by packaging paper. The packaging paper is locked in a forming machine through a hole puncher by the transmission shafts. The hole puncher is communicated with an external air pump. The other side of the bracket mechanism is provided with a discharging device, and the discharging device is communicated with a disc screening machine. The disc screening machine is communicated with a funnel device, and a joining port of the funnel device is extended to the side face of the forming machine and a packaging bag of which the bottom is sealed. The forming machine is stretched into a heat sealing machine. The lower end of the heat sealing machine is provided with an automatic cutting machine. The automatic cutting machine is connected with a chute. The heat sealing machine, the transmission shafts, the hole puncher and the disc screening machine are controlled by a circuit and program control device. According to the provided automatic living-body subpackage-bag-type trichogramma releasing device and the preparation method thereof, the operation is convenient, and the industrial large-scale efficient production is easy.

The invention provides a multistage separation technology. Oil, gas, water and solids are separated through primary separation of a separating tube, secondary double separation of the separating tube, liquid-solid separation, third separation of the separating tube, primary cyclone separation, secondary cyclone separation, fourth separation of the separating tube, settling separation and cycling. A multistage separation device comprises a primary separating tube, an upper tube unit of a secondary separating tube, a lower tube unit of the secondary separating tube, a liquid-solid separator, a third separating tube, a cyclone I, a cyclone II, a fourth separating tube, a settling tube and a liquid storage tank. Oil, gas, water and solids are quickly separated by means of the characteristics of the pipeline, the density difference of phase media and dynamic separation, a conventional method of separating multiple phases by means of a container is broken through, an explosion failure mode of the pressure container is converted into a leakage failure model of the pressure pipeline, so that the safety management risk of equipment is greatly reduced.

The invention relates to the technical field of auxiliary equipment of power systems, in particular to a vehicle-mounted hydraulic automatic lead sheath stripper. The stripper can substitute manual operation to complete live cutting of an insulating sheath of a cable; and a safe and reliable application of the stripper in live operation of a 10kV distribution network can be realized. The stripper comprises a hydraulic system and a mechanical system which are connected by a hydraulic rubber pipe. The stripper can realize professionalization, lighting and automation of live operation tools of the 10kV distribution network, can safely and stably work in a live operation environment, can drive a peeler to automatically strip off a high-voltage cable, can really achieve on-site live operation, is rapid and safe, improves the working efficiency of operators, and has the significant characteristic of maintenance cost lowering. By reducing the labor intensity, a safety level of live power distribution operation can be further raised, and safe and reliable running of a power grid is ensured.

The invention provides a MapReduce-based K-means clustering algorithm FPGA acceleration system. The acceleration system mainly comprises a Map task data receiving and transmitting subsystem, a Map task acceleration subsystem, a Reduce task data receiving and transmitting subsystem and a Reduce task acceleration subsystem, wherein the Map task data receiving and transmitting subsystem transmits corresponding data from a PCIe terminal to the Map task acceleration subsystem and transmits a final calculation result of the Map task acceleration subsystem back to the PCIe terminal; and the Reduce task data receiving and transmitting subsystem transmits corresponding data from the PCIe terminal to the Reduce task acceleration subsystem and transmits a final calculation result of the Reduce task acceleration subsystem back to the PCIe terminal. According to the acceleration system, a time consumption calculation process needing to be performed is separated out of an upper layer, a special hardware system is adopted to perform corresponding calculation, and assembly line design and a concurrent processing method are adopted for all modules in the system, so that operation processing speed is greatly increased.

The invention provides a colored drawing cultural relic imaging hyperspectral nondestructive detection and recognition system under deep learning. The colored drawing cultural relic imaging hyperspectral nondestructive detection and recognition system comprises a lens and filtering subsystem, a high-speed imaging subsystem and an analysis processing module, wherein the lens and filtering subsystemis used for collecting hyperspectral images of cultural relics under the control of the high-speed imaging subsystem, the high-speed imaging subsystem is used for controlling working parameters of the lens and filtering subsystem and realizing transmission and storage of hyperspectral images, and the analysis processing module is used for processing and analyzing the acquired hyperspectral images, completing identification and information extraction of cultural relics and displaying results in a graphical interface mode. The system is advantaged in that rapid identification and information acquisition of the colored drawing cultural relics can be carried out, a professional, imaging, rapid measurement and intelligent cultural relic information acquisition detection and identification system is realized, and requirements of cultural relic protection and research field on a cultural relic special spectrometer are met.

The invention belongs to the technical field of scientific and technological enterprise incubator management. The invention discloses an enterprise scientific and technological enterprise incubator management system based on Internet-of-things. The enterprise scientific and technological enterprise incubator management system based on the Internet-of-things comprises a project registration module,an enterprise information acquisition module, a central control module, an Internet-of-things communication module, a property management module, an information release module, a talent management module, a financial management module, an enterprise valuation module, a risk evaluation module and a display module. Through the enterprise valuation module, the conventional enterprise stock right evaluation and valuation efficiency can be improved, the time cost is reduced, the manual operation process is simplified, and the working pressure provided by materials is reduced; and meanwhile, the environmental risk level of the enterprise is determined through a risk evaluation module according to the scores of the sub-items of the current environmental data of the enterprise and the scores of the sub-items of the social influence data of the enterprise.

The invention discloses a panel defect measuring ruler of an organic light-emitting display, which is used for measuring panel defects of an organic light-emitting display. In the invention, seven defect patterns of the organic light-emitting display panel are marked on the ruler surface of the panel defect measuring ruler of the organic light-emitting display and are respectively used for measuring defects of cut substrate glass edges and corners, defects of cut rear cover glass edges and corners, defects of the binding edge of substrate glass and a drive module, the defects of uncut edges of the substrate glass, the surface defects of the length, the substrate and the rear cover glass of the width after adhesive line pressing when the substrate and the rear cover glass are bonded and the defects of a Polaroid of the display screen of the organic light-emitting display. In the invention, the defect on the OLED (Organic Light Emitting Diode) display panel is directly compared with the defect pattern on the rule surface while measuring, and if the projection border of the defect exceeds the area of the defect pattern, the OLED display panel is unavailable. Compared with the prior art, the invention realizes the professionalization of panel defect measurement and has the advantages of simple operation and small artificial error.

The invention discloses a method for improving the afforestation quality of Alnus formosana. The method includes the steps of: bud seedling cultivation, seedling cultivation in light substrate containers, forest land clearing and land preparation, seedling planting for afforestation, seedling checking and complementary planting and young forest cultivation, wherein two-stage seedling cultivation is adopted, roots of bud seedlings are trimmed before transplanting is conducted, and seedling cultivation by using the light substrate containers and root pruning by air are adopted, so that growth ofmain roots is inhibited, multi-level lateral roots are promoted to grow so as to form a large number of root balls, and the stress resistance is strong; when the seedlings grow to a height of 15-20 cm, the seedlings can be taken out from the containers and used for afforestation, the period of seedling cultivation is shortened, the production cost is saved, the production efficiency is improved,and large-scale, specialized and industrialized production is achieved; the seedlings has a small transpiration area, a high water content is maintained in the seedling bodies and substrates, and theseedlings with bags are transplanted, so that no damage to the roots is caused, growth begins as soon as the seedlings is transplanted in soil, no recovery periods is achieved, and the survival rate of afforestation is 95% or above; the seedlings have no mechanical damage, obvious apical dominance and rapid growth, and is beneficial to cultivation of trunks, so that high-quality, fast-growing andhigh-yield forests are cultivated.

The invention discloses a strawberry seedling cultivation method which comprises four steps of Female parent disinfection, primary culture, propagation rooting culture and acclimatization culture. Aiming at the problem that a traditional strawberry seedling cultivation method enables original seed natures of strawberry to be degraded and quality and yield of the strawberry to be decreased, the strawberry seedling cultivation method for cultivating high quality strawberry seedlings is provided.

The invention belongs to the field of track maintenance, and provides switch long and heavy part replacement equipment. The switch long and heavy part replacement equipment includes a base, the base is fixedly provided with a reversing mechanism, the reversing mechanism is composed of a guide rail and a locking mechanism, the reversing mechanism is fixedly provided with a rotary support, the rotary support is fixedly provided with a vertical column, the vertical column is provided with a folding arm, a hook and a supporting column, the hook and the supporting column are capable of sliding on the folding arm, the folding arm is further provided with a synchronous device, the fixed part of the synchronous device is installed on the folding arm, the moving part of the synchronous device is arranged on the hook, and the base is further provided with a cargo bogie and a connecting seat for connecting a flatcar. According to the switch long and heavy part replacement equipment, through a hang arm capable of being folded, rotated and reversed, the specialization of the long and heavy part replacement equipment of high-speed railway turnout is realized, replacement operation time is shortened, the stability of replacement operation is improved, the risk of replacement operation is decreased, the construction efficiency is high, and replacement quality is better.

The invention discloses a logic structure tree construction method based on geoscience branch discipline expert knowledge, and the method carries out the improvement of a geoscience thesaurus through17 discipline professional knowledge nodes, and achieves the specialized, unified and systematic expression. Through construction of a geoscience thesaurus, logic structure construction is achieved, and corpus relation three-dimensional expression is achieved. And then informatization analysis is performed by using a geological word segmentation dictionary with the capacity of 40,000 words, corpora in the 40,000 word segmentation dictionary is clearly classifed, and a geoscience thesaurus is perfected so as to achieve three-dimensional construction of the coverage geoscience corpora. By facing the field of geoscience discipline, controlled, normalized and systematic geoscience descriptors are used as basic elements, and each geoscience descriptor is used as a reference system to establisha relationship between words. During retrieval, a certain keyword is retrieved, so that the hypernyms, the hyponyms, the related words and the English words are obtained from the logic structure treebased on the geoscience thesaurus, and one retrieval word is expanded to N retrieval words.