51results about How to "Reduce risk cost" patented technology

The invention relates to a method for establishing a high-precision three-dimensional ground stress model for a heterogeneous formation. The method includes the first step of establishing a three-dimensional framework model for the heterogeneous formation according to drilling data, logging data and three-dimensional seismic data, the second step of establishing a three-dimensional rock physical parameter model for the heterogeneous formation according to three-dimensional seismic data inversion and the logging data, the third step of conducting three-dimensional finite element numerical simulation calculation on high-precision ground stress spatial distribution patterns of the heterogeneous formation, and the fourth step of establishing the high-precision three-dimensional ground stress distribution model for the heterogeneous formation. By means of the method for establishing the high-precision three-dimensional ground stress model for the heterogeneous formation, reliable reference can be provided for compact low-permeability oil and gas field development and sweet spot prediction and exploration and development of unconventional oil and gas, exploration and development efficiency of compact low-permeability and nonconventional oil and gas is effectively improved, and the risk cost of exploration and development of compact low-permeability and nonconventional oil and gas is lowered.

The invention belongs to the technical field of vaccines and relates to a method for large-scale production of a porcine pseudorabies inactivated vaccine. The method comprises preparing a virus solution of porcine pseudorabies (XF-1 strain), carrying out continuous flow centrifugation, hollow fiber column clarification filtration, hollow fiber column ultrafiltration concentration and Sepharose 4FF molecular sieve gel chromatography purification treatment to obtain purified porcine pseudorabies viruses, adding a formaldehyde solution having a final concentration of 0.4% (v / v) into the purified porcine pseudorabies viruses, carrying out inactivation at 37 DEG C for 48h, and carrying out emulsification with a 201 adjuvant to obtain the porcine pseudorabies inactivated vaccine. The porcine pseudorabies inactivated vaccine can well prevent highly pathogenic mutant pseudorabies prevailing in the market.

The invention relates to a serially connected LED driving intelligent control system with function of output protection, which is characterized in that the control system consists of a pulse-width generation controller, a drive circuit, a switching circuit, a feedback circuit, a sample circuit, an LED matrix and an LED lamp-bulb protective circuit, wherein, the LED matrix comprises a plurality of LED lamp-bulbs which are regularly arranged, and each of the LED lamp-bulbs is connected with the LED lamp-bulb protective circuit; the LED matrix is connected with the switching circuit which is connected with the sampling circuit; the sampling circuit is connected with the pulse-width generation controller through the feedback circuit; the pulse-width generation controller is connected with the switching circuit through the drive circuit. The control system aims to provide the serially connected LED driving intelligent control system with the function of output protection with stable performance, intelligent control of software, long service life, convenient maintenance and detection and convenient popularization and use.

The invention discloses a method for measuring the radial flow path clearance of a steam turbine through a laser tracking measuring system. The method comprises the steps that S10, the radial relativeposition of a rotor and a steam cylinder in r the cold state of the steam cylinder is measured; S20, the laser tracking measuring system is adopted to measure a shaft seal and rotor hub surfaces corresponding to partition plates in a station transferring mode, and the diameters and rotor vertical arcs of the measured rotor hub surfaces are fitted; S30, the laser tracking measuring system is adopted to measure tooth tip coordinates of all stages of partition plate steam seal blocks and shaft seal steam seal blocks in the cylinder, and shaft seal bores on the outermost side of the steam end andthe exciter end in a station transferring mode, the shaft seal bores on the outermost side of the steam end and the exciter end are fitted, a cylinder body center line is created, and the distances from the tooth tips of all the stages of partition plate steam seal blocks and the shaft seal steam seal blocks to the cylinder body center line are fitted; and S40, the laser tracking measuring systemis adopted to fit the radial clearance of an actual partition plate steam seal and the shaft seal steam seal in the cylinder under the cold state according to the measured relative position of the rotor and the steam cylinder and based on data in the step S20 and the step S30. By applying the method for measuring the radial flow path clearance of the steam turbine through the laser tracking measuring system, the measuring precision is improved.

The invention discloses a post-loan risk monitoring method. The post-loan risk monitoring method comprises the steps: obtaining a first risk level corresponding to each piece of first monitoring category data of a to-be-evaluated enterprise, and obtaining a first risk portrait level corresponding to the to-be-evaluated enterprise according to the first risk level; based on the legal person information of the to-be-evaluated enterprise, obtaining a second risk level corresponding to each piece of second monitoring category data, and obtaining a second risk portrait level corresponding to a legal person of the to-be-evaluated enterprise according to the second risk level; and according to the first risk portrait level and the second risk portrait level, determining a risk monitoring disposal corresponding to the to-be-evaluated enterprise. The invention also discloses a post-loan risk monitoring device and a computer readable storage medium. According to the invention, the problems of high risk identification cost, low efficiency and incapability of comprehensively and accurately identifying risks in post-loan manual investigation can be solved.

The invention provides a protective device for a punch and relates to the technical field of punch protection. The protective device for the punch comprises a punching machine tool. A workbench is arranged in the center of the punching machine tool. A power device is arranged at the top of the punching machine tool. A punching rod is arranged at the bottom of the power device. A punching block isfixedly connected to the bottom of the punching rod. A reset mechanism is arranged at the front end of the top of the workbench. A separation mechanism is slidably connected to the center of the resetmechanism. A buffer mechanism is arranged at the bottom of the separation mechanism. A sponge block is arranged at the bottom of the buffer mechanism. The simply designed mechanical protective deviceis used and is matched with an optical grating protective device, thus double protective effects can be achieved, under the circumstance of a failure of an optoelectronic device, a very good protective effect can still be achieved on workers through the mechanical protective device, work efficiency is improved greatly, and meanwhile risk cost of the workers and a manufacturer is also lowered greatly.

The invention discloses a supermarket consumer density determining system. Through determining stay positions and loci of consumers of a supermarket within one day, one week and even one month, a personnel density graph is obtained after processing. The apparatus mainly comprises such portions as a central control module, a wireless communication module, a host computer, a reader-writer and the like. A passive electronic label with unique ID on a shelf is detected by controlling the RFID reader-writer arranged on a supermarket shopping cart by use of an ARM chip, then information is transmitted to the host computer through the externally connected wireless communication module, through big data processing, the stay positions and the loci of the consumers of the supermarket within one day, one week and even one month are obtained, the personnel density graph is obtained after the processing, supermarket managers, according to the graph, can determine most popular products, most crowded places and the like so as to adjust goods arrangement and shelf positions for reasonable distribution, such that supermarket space can be utilized to the maximum, the sale quantity of supermarket goods is increased, and consumer choices are diversified. The apparatus provided by the invention is simple in structure, convenient to use and stable in performance.

The invention provides a method, a system, a computer device and a computer-readable storage medium for predicting the distribution law of shale oil-gas reservoir bedding fractures, and relates to the technical field of oil-gas exploration. The method includes identifying the developmental section of the lamina fractures in a single well shale oil and gas reservoir; evaluating the development intensity of the identified shale oil and gas reservoir lamina fractures in a single well, and obtaining the development intensity of the lamella fractures in a single well; Clarify the main controlling factors of bedding fractures, and establish the relationship information between them and the development intensity of bedding fractures of a single well; predict the bedding fractures of shale oil and gas reservoirs according to the development intensity of bedding fractures of the single well and the relationship information distribution rule. The invention can predict the distribution law of shale oil and gas reservoir shale fractures, provide geological basis for prediction of shale oil and gas sweet spot and reservoir fracturing, thereby reducing the risk cost of shale oil and gas exploration, and has a certain value for guiding the production and development of shale oil and gas. Significance.

The invention relates to a longitudinal wave crack forecasting and exfoliating method. The method comprises the following steps of: inputting earthquake data; exfoliating the earthquake data; obtaining adaptive multi rate (AMR) of a TIH medium; and performing AMR drawing analysis and TIH parametric inversion on the TIH medium. When the technical scheme provided by the invention is used to forecast the crack direction of a target layer in a multi-layer crack medium, the crack parameters of each layer of medium in the multi-layer crack medium can be effectively acquired.

The invention discloses a culture medium for single cell culture, and a preparation method and application thereof. The culture medium for single cell culture comprises an ordinary culture medium andan additive, wherein the additive is an immortalized-cell secretion extracted from a culture product of immortalized cells, and the immortalized cells are identical to the cells of a unicellular species which is to be cultured with the culture medium for single cell culture. Since the immortalized-cell secretion is added into the culture medium, primary cells can realize normal division and proliferation under the condition of low density, and the problem that low density of fibroblasts cannot meet the requirements of monoclonal cell selection is overcome. With the culture medium in the invention, a marker gene is not needed, so the risk of damage to the functions of endogenous genes caused by the marker gene is avoided, and a foundation is laid for commercial application of genetically edited cells. Since drug resistance screening is not needed, reagent cost is reduced, screening time is shortened, damage of drugs to cells is avoided, and cells are allowed to maintain the form of wildtypes and proliferation and division capabilities.

The invention relates to the technical field of intelligent piloting and particularly relates to an intelligent piloting advanced aided driving hardware-in-the-loop test system and method. The system comprises a power management module, a work station, a real-time simulation machine, video injection equipment, fault injection equipment, signal conditioning equipment, vehicle equipment, a programmable power supply and an intelligent piloting domain controller. A real intelligent pilot domain controller is adopted, required sensor signals are constructed through scene software and are injected into the domain controller, software algorithm and hardware defects can be found more timely and more comprehensively through the testing method, the development period is shortened, and a large amount of risk cost brought by real vehicle testing can be saved; by analyzing real vehicle data, generating an OpenDrive format and importing scene simulation software, a problem of matching of a simulation map and an actual algorithm loading map module is solved; and a vehicle machine outputs and feeds back navigation information to the controller by receiving the positioning information simulated by the virtual scene so that verification of a high-precision positioning fusion algorithm is realized.

The present invention proposes a method and system for predicting the distribution pattern of natural fractures in tight low-permeability reservoirs, wherein the method includes: establishing a conceptual model of natural fracture distribution patterns; using core data and logging data to finely dissect the reservoir configuration According to the interpretation of seismic data, the distribution data of the local structure of faults and folds can be identified and obtained; the natural fractures can be identified according to the core data and logging data, and the relative rock mechanical properties of the interlayer interface can be obtained by analysis. The thickness pairs limit the range of longitudinal extension of fractures; using the conceptual model of natural fracture distribution pattern as a macro constraint, the prediction results of the distribution pattern of natural fractures between wells are obtained. The method and system can better predict the location of natural fractures, and can better describe the distribution pattern of natural fractures, provide geological basis for oil and gas exploration and development in tight and low permeability reservoirs, thereby reducing the risk of oil and gas exploration and development in tight and low permeability reservoirs cost.

The invention provides a horizontal segment core natural fracture parameter characterization method and system. The method comprises the steps that according to data of a horizontal well, well deviation azimuthal angle and well deviation angle of a horizontal segment are obtained; according to core data of the horizontal segment, the extending direction of the horizontal well is taken as the reference direction, an included angel of a natural fracture and the reference direction is measured along the core axial of the horizontal segment, the plane perpendicular to the core axial is taken as the apparent horizontal plane, and the apparent dip of the natural fracture is measured; the well deviation azimuthal angle is used for modifying the included angel of the natural fracture and the reference direction, the direction of the natural fracture is obtained, the well deviation angel is used for modifying the apparent dip of the natural fracture, the dip of the natural fracture is obtained,and parameter characterization of the horizontal well core fracture is achieved. The growth characteristics of the natural fracture can be clearly known by using the method and the system, the basisis provided for making sure of distribution regularities of the natural fracture, guiding well network deployment and reservoir fracturing reformation, thus the risk cost of oil-gas exploration is lowered, and important implications for guidance of oil-gas development and production are achieved.

The invention discloses a control system based on a profibus redundant network topological structure and a switching method of the control system. A master control system and a hot-standby system respectively serve as main stations of two networks, can simultaneously control slave stations under the networks, and both have the control right of a bus; in addition, the master control system and thehot-standby system also respectively serve as the slave stations in the network of the opposite party so as to realize mutual supervision communication and enhance the stability and the redundancy ofthe system. When the master control system fails, the master control system can be switched to the hot-standby system to work in a seamless way. Through the topological structure, data processing (dp) modules of all manufacturers can be used; simultaneously a dp / dp coupler module does not need to be used any longer; the risk cost of the system is reduced; and the reliability of the overall systemis enhanced.

The present invention relates to the technical field of intelligent piloting, in particular to a hardware-in-the-loop testing system and method for intelligent piloting advanced assisted driving, including a power management module, a workstation, a real-time simulator, a video injection device, a fault injection device, a signal conditioning device, and a car machine Equipment, program-controlled power supply, and intelligent domain controller; the present invention uses a real intelligent domain controller, and injects these signals into the domain controller through scene software to construct the required sensor signals. This test method can discover software algorithms in a more timely and comprehensive manner. and hardware defects, shorten the development cycle, and save a lot of risk costs caused by real vehicle testing; by analyzing the real vehicle data, generating the OpenDrive format, and importing the scene simulation software, the problem of matching the simulation map with the actual algorithm loaded map module is solved; The machine receives the positioning information simulated by the virtual scene, and feeds back the navigation information output to the controller to realize the verification of the high-precision positioning fusion algorithm.

The invention discloses a method for measuring the radial flow path clearance of a steam turbine through a laser tracking measuring system. The method comprises the steps that S10, the radial relativeposition of a rotor and a steam cylinder in r the cold state of the steam cylinder is measured; S20, the laser tracking measuring system is adopted to measure a shaft seal and rotor hub surfaces corresponding to partition plates in a station transferring mode, and the diameters and rotor vertical arcs of the measured rotor hub surfaces are fitted; S30, the laser tracking measuring system is adopted to measure tooth tip coordinates of all stages of partition plate steam seal blocks and shaft seal steam seal blocks in the cylinder, and shaft seal bores on the outermost side of the steam end andthe exciter end in a station transferring mode, the shaft seal bores on the outermost side of the steam end and the exciter end are fitted, a cylinder body center line is created, and the distances from the tooth tips of all the stages of partition plate steam seal blocks and the shaft seal steam seal blocks to the cylinder body center line are fitted; and S40, the laser tracking measuring systemis adopted to fit the radial clearance of an actual partition plate steam seal and the shaft seal steam seal in the cylinder under the cold state according to the measured relative position of the rotor and the steam cylinder and based on data in the step S20 and the step S30. By applying the method for measuring the radial flow path clearance of the steam turbine through the laser tracking measuring system, the measuring precision is improved.

The invention relates to a lathe automatic feeding device used for axial machining, and the structure of the lathe automatic feeding device mainly comprises six parts which are a numerically controlled lathe body, a feeding system, a clamping system, a discharging system, a numerical control system and a control panel. The original lathe needs to be operated by qualified persons and has low efficiency. The improved lathe is mainly characterized in that unmanned automatic processing can be realized, thus not only reducing artificial cost so as to improve the production efficiency and the product quality, but also reducing the risk cost of artificial scrap, and greatly enhancing the product reliability and consistency.