130 results about "Technological research" patented technology

The invention belongs to the field of technical research on oil and gas reservoir development and particularly relates to a method for physically simulating sectional hydrofracture of different well types of perforated well shafts. The method comprises the following steps of: (1) processing a simulated shaft and arranging bullet holes on the well wall of the simulated shaft; (2) prefabricating the simulated shaft in the step (1) into an artificial core test sample and developing a hydrofracture physical simulation experiment by utilizing a true triaxial hydrofracture device system; and (3) observing fracture initiation and extension forms of hydraulic fractures at the positions of the bullet holes on the well wall of the simulated shaft by the hydrofracture physical simulation experiment in the step (2). According to the method, aiming at geological development blocks with different reservoir structures, different well types and fracture processes can be selected to carry out effective indoor simulation evaluation research; and the theoretical foundation is provided for design and scheme optimization of the hydrofracture process of conventional or unconventional dense oil and gas reservoirs and complex oil-gas blocked deposits.

The invention relates to a moving-target SAR imaging simulation test system and method under a sea background. The moving-target SAR imaging simulation test method under the sea background includes the steps: through a wave generation pool, a sea environment for a ship model in the wave generation pool is simulated; a target linear motion simulation device drives the ship model which is taken as the target to do uniform linear motion; an attitude measurement sensor obtains and records the target attitude information during the motion process in real time; a radio frequency subsystem performs emission of radiofrequency signals and reception of target echo signals; and a scanning frame subsystem puts and drives the radio frequency subsystem to perform equidistant stepping motion, and every stepping one interval, the radio frequency subsystem is used to perform one time of broadband frequency sweep measurement on the target. Based on the spotlight type SAR imaging principle, the moving-target SAR imaging simulation test system and method under the sea background can realize the sea level ship composite scattering characteristic and motion characteristic cooperation simulation test inthe wave generation pool, can solve the problem of synchronously and controllably simulating the sea level moving target composite scattering characteristic and motion characteristic in the laboratorycondition, and can provide basic data and verification means for sea level moving target imaging detection and identification technological research.

The invention relates to a method and a device for improving wettability of brazing filler metal and a method and a device thereof for detection experiments. The method for improving wettability of the brazing filler metal includes the following steps: placing a test piece between an upper electrode plate and a lower electrode plate of a static field forming set output voltage, utilizing an ultrasonic transfer rod in transmission connection with an ultrasonic vibration source with set frequency and vibrating to stretch into the static field and utilizing a vibration press head fixedly connected onto the ultrasonic transfer rod to exert ultrasonic load on the test piece. By means of the method, ultrasonic vibration load and static field assistance can both act on the brazing filler metal and a bus material, wettability of the brazing filler metal can be greatly improved, and the shortcoming in the prior art of limit of single ultrasonic vibration application or single static field application in improvement of the wettability of the brazing filler material is overcome. The method and the device for improving wettability of brazing filler metal and the method and the device for detection experiments expand the brazing technical research with less brazing flux even free of brazing flux, can be used for test experiments of the brazing filler metal performance and can also be applied to industrial brazing filler metal production.

The invention belongs to the field of the semiconductor manufacturing technology, and discloses a photolithography solution prediction method based on layout geometric feature matching. The method includes the following steps that a standard layout geometric information database is obtained, to-be-matched layout geometric information is obtained, geometric information in the to-be-matched layout geometric information and geometric information in the standard layout geometric information database are matched, according to the matching result, a first standard layout is selected, a photolithography solution corresponding to the first standard layout serves as a photolithography solution candidate of a to-be-matched layout, and the photolithography solution of the to-be-matched layout is predicted. The method solves the problems that in the prior art, a unknown or untested geometric figure combination can not be analyzed, a pre-selected solution obtained by technological research and development can not be provided for an unknown layout graph, and the defects of the layout design can not be directly fed back. The method achieves the technical effects of providing a pre-selected solution obtained by technological research and development for the unknown layout graph, and the defects of the layout design are directly fed back.

The invention relates to an ultrasonic detecting process of a marine steel-welding joint phased array, which is characterized by comprising the following steps of: a, preparing detecting equipment; b, removing splashes, rust and oil dirt on the surface of a detected object and in a probe moving zone and smearing coupling agents on the surface of the detected object and the probe moving zone; c, selecting a reflecting angle and a transmitting depth for scanning; d, inputting data or scanned images after scanning; e, analyzing scanned zones according to the detecting data or the scanned images; and f, evaluating the quality of welding joints. The invention can carry out no-damage welding joint detection and achieve the purpose of higher speed, precision, resolution and reliability than those of the prior art and fills the blank of the research application of a phased array technique in national marine industry; besides, the invention can be directly applied to the quality detection of submarine shells and aircraft engines for missiles, makes up the shortages of the traditional ultrasonic detection or forms the effective complementation with other detecting techniques and can ensure that the quality detecting process of a product tends to be more perfect, thereby enhancing the reliability of the product detecting technique.

A method for characterizing the interface mechanism of epoxy resin composite material relates to a method for characterizing the interface mechanism of epoxy resin composite material, which solves the problems, such as high requirement for technology, high cost in experiment constructed by Au element and instable effect of experiment, of the research of interface phenomena of epoxy resin composite material through the current molecular self-assembly film technology. The method comprises: 1, simulation to obtain self-assembly modeling system; 2, establishment of the interface structure of the modeling system and epoxy resin; 3, calculation for the interface structure through molecular dynamics to evaluate the effects of different functional groups on the interface performance of epoxy resin composite material. The invention is easy to implement without actual operation, requirement in operating skill or use of Au element to save a lot of research fees with stable and reliable experimental result and greatly reduced experimental time and period.

The invention relates to the technical field of function testing, in particular to an unmanned vehicle simulation testing method and system, and the method comprises the steps: calling a virtual testing platform of an unmanned vehicle, wherein the virtual test platform comprises a virtual scene, an unmanned vehicle and a virtual sensor; obtaining a code of a central control system input by a user,and generating a control program; starting the control program to control the unmanned vehicle to run, and reading various real-time detection data generated by the virtual sensor in the running process; controlling the unmanned vehicle to carry out a driving simulation test in a virtual scene according to the detection data, and carrying out battle with other users; and in the simulation test, feeding back a three-dimensional animation of the operation process of the control program to the user. By building the virtual test platform, a low-cost unmanned vehicle test environment is provided for a user, and progress of scientific and technological research projects such as unmanned driving can be promoted to a certain extent.

The invention discloses a fish habitat dividing method based on geographic and geomorphic conditions. The method mainly comprises steps as follows: (1) the fish habitat dividing boundary range is determined; (2) characteristic fishes and geographic and geomorphic characteristic factors are determined; (3) fish habitats are partitioned; (4) the fish habitats are graded; (5) fish habitat protection measures are classified; (6) quantitative evaluation is performed on fish habitat protection. With the adoption of the method, on the basis of condition requirements of the geographic and geomorphic characteristic factors such as longitudinal morphology of rivers, transverse morphology of the rivers, local morphology of the rivers and the like, according to the dividing principles of fish habitat protection range partitioning, protection degree grading and protection content classification, requirements for protection, repair, compensation and scientific research work of river fish habitats are planned and deployed from the source, river fish habitat protection theories and technical research systems of China are filled and perfected, and the win-win effect of the social benefit, the economic benefit and the environmental benefit is realized.

The invention discloses a propagation simulation and permeability test integrated experimental device for a true triaxial crack, and a method thereof. The device comprises a true triaxial loading system, a fracturing system, an acoustic emission detecting system and a permeability testing system; and the fracturing system, the acoustic emission detecting system and the permeability testing systemcan be respectively connected with the true triaxial loading system according to experimental requirements. The device and the method realizes the integration of rock fracturing and permeability testing, can accurately measure the permeability before and after rock fracturing under true triaxial conditions, and provide a technical support for the studying of a fracturing technology and the optimization of fracturing construction parameters.

The invention discloses a system for bearing capacity evaluation of a power grid enterprise and relates to the field of enterprise sustainable development management technical research. The system comprises an enterprise operation and management module used for setting enterprise operation and management indexes and conducting weighting and assignment operation on enterprise level basic data, a standard engineering converting module used for setting standard engineering converting indexes and converting engineering project essential data, a project team management module used for setting project team management indexes and conducting weighting and assignment operation on professional basic data, a bearing capacity evaluation module used for establishing a bearing capacity evaluation model and obtaining a preliminary bearing capacity evaluation result and a bearing capacity evaluation and analysis module used for outputting a final bearing capacity evaluation result. The invention further provides a method for bearing capacity evaluation of the power grid enterprise. The professional ability of an engineering project in bearing area power grid construction of the enterprise is quantitatively analyzed and dynamically evaluated, so that the power grid construction capacity and the professional management level of the enterprise are improved.

The invention provides a rapid active disturbance rejection method for air cavity pressure based on an extended state observer. The method is suitable for intake and exhaust pressure control of a typical engine transition state test task, and mainly comprises the following steps of constructing a control model of an air cavity pressure system based on linear active disturbance rejection control, and estimating total disturbance (the sum of internal disturbance and external disturbance) influencing a controlled quantity in real time through an extended state observer, dynamically transforming an original uncertain system into an ideal integral series system through a special state feedback mechanism, estimating disturbance by utilizing natural advantage predictability and disturbance rejection of a linear active disturbance rejection controller, and updating the convergence rate and the global search capability through an improved whale algorithm, and immediately eliminating disturbanceby using the controlled quantity, so that the purpose of rapid and active disturbance rejection is achieved. Technical support can be provided for follow-up complex control technology research such as aircraft engine transition state test environment simulation multivariable control and dynamic decoupling control.

The invention mainly relates to preparation and application of complex microbial inoculants, and is mainly applied to research of technologies of quick fermentation, low-temperature-resistant running and nutrient loss of aerobic composting. The preparation is started from weak links of technological research of a composting technology of the livestock and poultry excrement, development of compost microbial agents serves as a sally port, preparation and application of exogenous microbial agents in a composting technology are deeply researched through a scientific research means, actual scientific achievements are obtained, and efficient complex microbial inoculants suitable for composting of the livestock and poultry excrement are obtained finally. By the complex microbial inoculants, a livestock excrement composting process can be optimized, composting efficiency is improved, and ripe composting degree and quality of composting products are improved; and particularly, the complex microbial inoculants can still function in a low-temperature environment at the temperature below 20 DEG C.

The invention discloses a technological research for producing sodium acetate by comprehensively utilizing chemical waste liquid and belongs to the field of chemical engineering. In the technological research, chemical reaction is accelerated by using a microwave technique, solid-liquid separation is realized by using a distillation technique, sodium carbonate is added for reaction so as to turn acetic acid which is difficult to separate and has relatively low value into the sodium acetate which is easy to separate and has high added value, and chemical analysis is performed on the waste liquid to determine chemical components of the waste liquid and draw up a separation method; meanwhile, an optimal scheme is adopted to determine a method for adding reactants and accelerating the reaction rate; a resultant is separated and purified, and finally a qualified product is produced.

The invention provides a patent database management analysis method comprising the steps of storing the patent documents, the application date data and applying enterprise names of patent documentations into a patent database; extracting the technological keywords, the application date data and enterprise names of each patent documentation in the patent database; extracting the patent documentations matching the input technological keywords for retrieval from the patent database; classifying and storing the retrieved patent documentations according to the year of application; acquiring the technological research and development direction which the technological documents relate to; sorting the enterprise names in the research and development direction according to the number of the patent documentations. The method, according to the technological keywords of technological documents, can obtain specific technological keywords in different years of application, obtain the technological research and development direction in those years, obtain the enterprise names in the technological research and development direction and the number of patents which the corresponding enterprise names apply for in the technological research and development direction.

The invention relates to a methylated biomarker or a combination thereof for detecting gastric cancer lymph node metastasis and non-metastasis and application of the methylated biomarker. The methylated biomarker is selected from at least one of chr12: 42873140, chr8: 81789921, chr8: 81811441 and chr8: 16884489. According to the invention, the appropriate DNA methylation biomarker is screened and used for detecting gastric cancer lymph node metastasis and non-metastasis, and the DNA methylation biomarker can achieve the purpose of accurate prediction. The novel DNA methylation marker developed by the invention can be used for identifying whether the lymph node metastasis of the early gastric cancer occurs or not, can be used for assisting clinical accurate diagnosis and guiding treatment, and also can be used for technical research in laboratories.

The invention provides a technical research and verification device for a key friction pair of a plunger pump. The technical research and verification device is composed of a hydraulic oil source system, a force loading system, a friction pair rotating body transmission system and a plunger pump mounting system for simulating the operating environment of a real swash plate type axial plunger pump.According to the technical research and verification device, the operating environment of the real plunger pump is simulated, the whole research and verification device comprises a valve plate, a plunger, a sliding shoe, a chuck, a pressing plate, a swash plate, a rotor, a shaft and other components like the real plunger pump, and even the plunger, the sliding shoe, the chuck, the pressing plate,the swash plate, the rotor, the shaft and the like which are used by the research and verification device are directly from the real plunger pump; and through research on the abrasion mechanism and law of the key friction pair, a new technology and new measures for strengthening and protecting the friction surface and the resultant force stress level can be obtained, and the important significance is achieved for further research on the long-life technology of the plunger pump. The technical research and verification device is scientific in structure and good in manufacturability and has wideapplication and popularization value.

The invention relates to a Chinese patent drug for treating nongonococcal urethritis which takes more than 10 species of Chinese herbal medicines as raw materials, such as indigowoad root, Chinese gentian, Chinese thorowax root, lightyellow sophora root and so on. The invention has the effects of purifying liver, purging head, detoxication and dredging stranguria. Based on the traditional Chinese medicine dialectical cure, the invention is developed by the latest modern technological research findings. The aim of the invention is to provide a Chinese patent drug for treating nongonococcal urethritis. The invention has the characteristics of certain curative effect, safety and convenience, non-toxic side effects and low price.

The invention relates to a Chinese materia medica preparation for treating nongonococcal urethritis which takes more than 10 species of Chinese herbal medicines as raw materials, such as common motherwort herb, mongolian dandelion herb, japanese honeysuckle flower bud, belvedere fruit, broom cypress fruit and so on. The invention has the effects of clearing away heat and toxic material, eliminating dampness and dredging stranguria. Based on the traditional Chinese medicine dialectical cure, the invention is developed by the latest modern technological research findings. The aim of the invention is to provide a Chinese materia medica preparation for treating nongonococcal urethritis. The invention has the characteristics of certain curative effect, safety and convenience, non-toxic side effects and low price.

The invention relates to a test method of fine carbon particles rich in water after treatment of drinking water activated carbon. The method is from the perspective of drinking water safety, conducts quantitative analysis to the fine carbon particles through a physical separation process and is characterized in establishing ''microfiltration membrane intercepting and microscope inspection calculation methods'' which is used to detect the fine carbon particles in the water after treatment of the drinking water activated carbon and provides necessary means for technical research on carbon bacteria disinfection control. The test method has the advantages that: (1) the technology realizes effective test to the fine carbon particles in the water after treatment of the activated carbon, completes measurement and analysis through the physical separation process without changing any physical and chemical properties of the carbon particles, so as to ensure the test stability and accuracy; (2) the technology can conduct microfiltration membrane intercepting and microscope inspection calculation in a common laboratory, with easily available materials for the experiment, low operation cost and high economic feasibility; (3) the carbon particle test technology is applicable to any activated carbon process water plant, and has the advantages of easiness in operation and realization.

The invention relates to an immunochip test method of staphylococcus enterotoxins (SEA and SEB) and fumonisin (AFB1), so as to realize the simultaneous test on the same chip. According to the invention, for the test of AFB1, the monoclonal antibody of AFB1 is immobilized on the surface of a piece of aldehyde glass and then added to the chip together with a complete antigen labeled by a certain amount of Cy3, and the technical research on the immunochip can be carried out by using a competition method. For the test of SEA and SEB, a double-antibody sandwich method is adopted and the optimization of experiment conditions is carried out; in the test, SEA and SEB are added to a reaction tank, SE which is not combined is washed off after reaction, and then a corresponding labeled antibody is added so as to form an immobilized antibody- objected to be determinand-labeled antibody sandwich structure, and the intensity of a fluorescence signal is increased with increase of the concentration of the objected to be determinand. The method disclosed by the invention is simple in operation, low in cost, sensitive and rapid, the result can be stably and reliably obtained, and the whole test process needs 1-2 hours. A new method for rapid test of various biotoxins is provided.

The invention relates to a remote calibration method for an operation error of a generalized flow instrument, and the method comprises the steps: (1), installing a generalized flow instrument clusterto form a tree-shaped topological structure; (2), obtaining a flow conservation algorithm model of the generalized flow instrument cluster based on the tree-shaped topological structure formed by thegeneralized flow instrument cluster; (3), correcting a line loss error, introducing a virtual branch to correct the topological model of the generalized flow instrument cluster, and correcting the flow conservation algorithm model; (4), calculating a relative error; (5), correcting a calculation result and estimating the degree of uncertainty; (6), obtaining an error calculation result. The methodemploys a full data sample thinking mode for 0.48 billion online operating intelligent electric energy meters of the State Grid Corporation, achieves the mining of mass electric energy data of a power utilization information collection system for power users, does not need an external standard instrument, achieves the performing of the remote calibration technology of the intelligent electric energy meters, enables the power supply side and a power utilization side to know the accuracy of an electric energy metering device in real time, meets the expected demands of customers, and improves the enterprise image.

The invention discloses a pathogenesis-related protein 1 family gene PnPR1-2 of panax notoginseng. The nucleotide sequence of the pathogenesis-related protein 1 family gene PnPR1-2 is as shown in SEQ ID No. 1. The pathogenesis-related protein 1 family gene PnPR1-2 comprises protein encoded with an amino acid sequence as shown in SEQ ID No. 2. Related technological researches of functional genomics prove that the PnPR1-2 gene is capable of increasing the fungus resistance of plants; when the PnPR1-2 gene is built onto a plant expression carrier and transferred into tobacco for overexpression, the transgenic tobacco plant is high in in-vitro antifungal activity, and the overexpression PnPR1-2 transgenic tobacco has an evident inhibiting effect on the growth of various fungi such as Fusarium solani, Verticillium Fusarium, beaded gibberella and Alternaria panax.

The invention provides an artificial rock core small batch production device, comprising a core cabin, a core cabin holder (7), a top pressing plate (8), a bottom cushion plate (9) and a pressing head(6). The device is characterized in that: the core cabin is composed of a top plate (1), a bottom plate (4) and a sleeve (2); the core cabin is arranged in the core cabin holder (7), which is provided with a plurality of holes for arranging the core cabin, a bottom base plate (9) is arranged on the lower portion of the core cabin holder (7), the top plate (1) is provided with the pressure head (6), and the pressure head (6) is connected with a top pressing plate (8). According to the artificial core small batch production device, structure is simple, and production is easy, practicability andefficiency is high, sizes and pore infiltration performance of the core samples prepared in the batch can be guaranteed to be the same, experimental errors caused by differences between samples in anindoor evaluation experiment can be eliminated, a powerful technical support is provided for drilling and mining technologies and technological research in unconventional oil and gas resource exploration.

The invention discloses a storage method for preventing a dried Xinjiang Wen 185 thin-skin walnut from rancidity. Research that temperature, relative humidity and gas components are key technical factors influencing the storage quality of the thin-skin walnut is started, the controllability of production operation of the Xinjiang thin-skin walnut is considered, and the storage temperature and the gas components are researched on the premise of certain relative humidity, so that the key problems of oxidative rancidity such as flavor change, color and lustre browning and nutritional quality reduction during the storage period of the Xinjiang thin-skin walnut are regulated and controlled; the storage temperature is controlled to be 4.5-5.5 DEG C under the relative humidity of 50-60%; a 100% carbon dioxide packaging environment is adopted; the technical research of a storage period quality regulation and control technique is developed; a reasonable storage technological process and a basic technological parameter are determined; the storage method for preventing the dried Xinjiang Wen 185 thin-skin walnut from the rancidity is provided; a good technical effect is achieved; and the storage method has an important actual development value.

The invention belongs to the field of hypersonic wind tunnel test equipment, and discloses a method for designing a low-Mach-number flight total enthalpy platform based on an existing hypersonic wind tunnel. According to the method, existing hypersonic wind tunnels with different calibers are utilized, corresponding jet pipes, stable sections, transition sections and diffusers are matched, a flight total enthalpy wind tunnel test platform with different calibers for reproducing the aircraft in the low Mach number range of 2-4 is built, the simulation total temperature range is 390-950 K, the simulation height is 15-30 kilometers, the effective operation time of the test platform is larger than or equal to 30 seconds, and the test efficiency is greatly improved. Basic theory and test technology research can be carried out on an engine combination power performance test, an aircraft internal and external flow integrated force and heat coupling test, an aircraft aerodynamic thermal load test and the like of an aircraft under a low Mach number, special tests and verification are carried out, and test data and test verification support are provided for aircraft development.

The invention discloses a pseudo-ginseng MYB transcription factor gene PnMYB2 and a use thereof. The gene PnMYB2 has a nucleotide sequence shown in the formula of SEQ ID NO: 1 and can code an MYB transcription factor. The molecular biology and functional genomics relation technological research proves that the gene PnMYB2 can improve fungal disease resistance of plants. The antifungal gene PnMYB2 is constructed in a plant expression carrier, is transferred into tobacco and is over-expressed. The transgenic tobacco plant has strong in-vitro anti-fungal activity. The transgenic tobacco over-expressing the gene PnMYB2 can obviously inhibit growth of Botryosphaeria dothidea, Fusarium solani, Fusarium oxysporum, Fusarium verticillioide and Alternaria panax.

The invention belongs to the technical field of coal mine support researches, and relates to a processing technology for reproducing column head threaded holes of a hydraulic support upright column. According to the processing technology, the purpose that the producing and using processes of jacks are free of poison and pollution is achieved, cost is low, maintenance expenditure is low, service life is long, the environment-friendly development requirement is met due to the unique technology, a surface layer with good performance can be obtained, and the processing technology has strong market competitiveness and popularization and application prospects.

The invention discloses a digital twin modeling and multi-agent coordination control method for an intelligent micro-grid, and relates to the technical field of digital twinning. A digital twin and multi-agent technology is utilized to research intelligent micro-grid modeling simulation and operation control, and a multi-communication protocol interactive intelligent micro-grid digital twinning and multi-agent control framework is designed; in consideration of a physical space, a digital space and a coupling relationship, task decomposition is performed on a full life cycle management process of the smart micro-grid, and a regulation and control resource agent, a regulation and control process agent and a regulation and control service agent are constructed.

The invention discloses an experimental apparatus used for research on soil heavy metal prevention and control technology. The apparatus comprises a porous cylindrical reaction container with an open upper end, a stainless steel barrier cylinder and a cylindrical packing groove, wherein the porous cylindrical reaction container is formed by splicing of a rectangular plate, the end parts of two short edges of the rectangular plate are respectively provided with a snapping buckle and a first snapping groove which can be snapped together, the porous cylindrical reaction container is formed through cooperation between the snapping buckles and the first snapping grooves, the sidewall of the porous cylindrical reaction container is provided with a plurality of circular holes allowing a soil sample to be contacted with a filling material during experiment, the cylindrical packing groove is sleeved in the porous cylindrical reaction container, and the bottom of the porous cylindrical reaction container is in fixed connection with the bottom of the cylindrical packing groove. The experimental apparatus can be used for both overground experiments and underground experiments for research on soil heavy metal prevention and control technology and is expected to be used in in-situ remediation of heavy metal-contaminated soil.

The invention belongs to the technical field of wave simulation technology research in a test pool, and discloses a wave generation device based on a U-shaped structure and a method thereof. The wavegeneration method comprises the following steps: (1) initializing a system; (2) establishing network connection; (3) selecting a required working unit; (4) generating wave spectrum data; (5) adjustinga zero point position of a wave generator; (6) transmitting wave generation data; (7) synchronously starting a wave generation experiment; (8) performing the real-time collection, analysis and processing of data; (9) executing a wave generation stopping function; (10) correcting the spectrum. The wave generation device comprises a pool and a control system; a pool end wave maker is arranged on the long side or the short side of the pool; a first pool side wave generator and a second pool side wave generator are placed at the two sides of the pool end wave generator and are arranged in a U shape, and wave pushing plates on the three wave generators work in a combined mode, waves in various directions can be simulated in a pool, the pool area is fully covered in the effective test range ofmulti-direction irregular waves, and the application efficiency of the pool is improved.