193results about How to "Reduce application difficulty" patented technology

The invention discloses an organic / inorganic compound fertilizer taking biomass charcoal as a matrix, a preparation method of the organic / inorganic compound fertilizer and a preparation method of fine straw biomass charcoal powder, relates to a compound fertilizer, a preparation method thereof and a preparation method of biomass charcoal and aims to solve the problems that the compound fertilizer is high in raw material cost, poor in granulation, capable of causing straw resource waste and low in utilization ratio and the energy consumption in the production process of the fine straw biomass charcoal powder is high. The fertilizer disclosed by the invention is prepared from fine straw biomass charcoal powder, a nitrogen fertilizer, a phosphate fertilizer, a potassium fertilizer, bentonite, a binder and trace elements; the preparation method of the fertilizer disclosed by the invention comprises the steps: firstly, preparing biomass charcoal; and secondly, smashing and screening; and the preparation method of the fertilizer disclosed by the invention comprises the steps: firstly, weighting the fine straw biomass charcoal powder and other raw materials; secondly, pretreating an inorganic fertilizer raw material; thirdly, mixing; and fourthly, granulating and drying to obtain organic / inorganic compound fertilizer grains taking the biomass charcoal as the matrix. The preparation method of the organic / inorganic compound fertilizer is applied to the technical field of fertilizer production.

The invention relates to a system and method for detecting the quality of a metal cap based on machine vision, used for detecting the quality defect of the metal cap and rejecting the inferior quality product. The detection system comprises an optical imaging device, an image processing device, a rejecting device and a conveying belt, wherein the optical imaging device comprises a planar array industrial camera, a first optical detection sensor and a light source; the image processing device is used for processing the image; and the rejecting device comprises a control circuit board, a second optical detection sensor, a solenoid valve and an injection tube. The method for detecting the quality of the metal cap based on machine vision comprises the following steps of: acquiring an interested maximum outline scale of a template cap image; establishing a rotational invariance characteristic template matrix for the template cap image; acquiring a round outline of the cap to be detected according to the interested maximum outline scale; calculating the rotational invariance characteristic matrix in the coverage of the round outline of the cap to be detected; and matching the rotational invariance characteristic matrix with the rotational invariance characteristic template matrix, so as to judge whether the cap to be detected is a qualified product or an inferior product.

The invention provides a workflow operation method and a system thereof. The method comprises the steps: presetting a flow definition model and a flow operation model, wherein the flow definition model comprises preset task definition, flow definition, node and migration objects, the flow operation model comprises preset flow instance, flow branch, task instance and flow variable objects; creating a flow instance according to the preset flow definition, and creating an execution thread corresponding to the flow instance; triggering the execution thread to flow, so as to acquire migration flow direction of a left flow at an initial node of the flow instance; and calling the migration flow direction of the flow to trigger workflow to operate. The method and the system provided by the invention can firstly meet workflow operation requirements of high data quantity and high concurrent load, secondly reduces application difficulty of development, testing and management, and finally has simple technical architecture and low hardware requirement while meeting performance requirement and also meets the low cost intensification requirement.

The invention relates to a simple and easy preparation method for super-hydrophobic fiber and textile with high contact angle and low rolling angle and application thereof. Surface chemical modification is directly carried out on intrinsic coarse structures on the surface of the fiber and textile so as to prepare a fiber product with super-hydrophobic performance; the method comprises the following steps of: firstly, cleanly washing materials, then carrying out isocyanate modification on the material, and finally modifying low surface energy material. The raw material is cheap and is easily available; reaction conditions are relatively mild; the operation is simple; and the requirement on the device is low. The obtain product has good super-hydrophobic performance; the contact angle of 10microliter of water is 156 degrees; and the product has wide application in fields of self-cleaning fibers and textiles.

The invention discloses a comprehensive energy-saving control method for heating and ventilation equipment of an intelligent building. The comprehensive energy-saving control method comprises the following steps: (1) transmitting and storing historical operation data of each heating and ventilation equipment in the intelligent building and real-time environment condition data outside the intelligent building into a basic database; (2) after the energy-saving diagnosis part obtains the data in the basic database, calculating a predicted load value of the heating and ventilation system in the intelligent building, and generating a dynamic heating and ventilation equipment operation strategy; (3) the controller obtains a heating and ventilation equipment operation strategy and controls the operation of each heating and ventilation equipment; (4) transmitting and storing the actually measured load value of the heating and ventilation equipment corresponding to the predicted load value in abasic database during operation; And (5) after the energy-saving diagnosis part obtains historical operation data in the basic database, real-time environment condition data outside the intelligent building and the actually measured building load value corresponding to the previous predicted load value, the next predicted load value of the heating and ventilation system in the intelligent building is calculated, and a dynamic heating and ventilation equipment operation strategy is generated.

The invention discloses a corrective natural fracture hydraulic fracturing in-situ stress measurement method. According to the method, a mechanical equation is established for shear stress widely existing in a natural fracture surface, and an in-situ stress tensor is obtained through inversion by searching for a natural fracture surface friction coefficient by use of a least square method and a computer program trial and error method. Through the method provided by the invention, the number of natural fractures needed by a conventional natural fracture hydraulic fracturing in-situ stress measurement method is substantially reduced, many hypothesis conditions set for an in-situ stress field during application of the natural fracture hydraulic fracturing in-situ stress measurement method are eliminated, the application difficulty of the natural fracture hydraulic fracturing in-situ stress measurement method is lowered, and the accuracy of the method is improved.

The invention relates to a method for computing the third party damage failure probability of a natural gas pipeline. The method comprises the following steps that (1), basic data of a pipe section to be evaluated are collected according to design materials and site survey of the natural gas pipeline, wherein the basic data include the pipe diameter, wall thickness, burial depth, earth surface construction activities, conditions of residents and social environment, and current line inspection and management situations; (2), the earth surface construction activities, the conditions of the residents and social environment, and the current line inspection and management situations of the pipe section to be evaluated are graded, and an operation management correction factor is computed according to a grading result; (3), the third party damage failure probability of the natural gas pipeline is computed according to the pipe diameter, the wall thickness, the burial depth and the operation management correction factor. The computing method is easy and convenient to implement, the computing result can show the third party damage failure probability of the natural gas pipeline in a quantized mode, and important governance basis is provided for integrity management of the natural gas pipeline.

The invention discloses a multipurpose contactless card which supports large amount payment and online recharge; the multipurpose contactless card is composed of a central processing unit, a data memory for storing an operating system, a memory for storing application data, an encryption part for encryption and decryption operation, a radio frequency interface circuit and a hardware communication interface corresponding to a mobile phone TF card slot. The hardware communication interface comprises a NO. 0 data interface, a NO.1 data interface, a NO.3 data interface, a CMD command communication interface, a CLK clock input interface, a power supply anode VCC interface and a ground GND interface. The invention also discloses an application method and an authentication method required by the application method; the application method supports large amount payment, online recharge and adapts to various authentication reader-writers, and is applicable to the multipurpose contactless card supporting large amount payment and online recharge; the security, reliability and accuracy of payment and recharge functions of the multipurpose contactless card supporting large amount payment and online recharge are guaranteed, and the practicality of the invention is also greatly improved.

The invention belongs to the field of hydroelectric scheduling operation, and discloses a hydropower station group modulation scale optimal scheduling method under complex time interval coupling type restriction. By means of increasing of the step length of a single time interval, the time interval coupling type restriction is weakened or relaxed, a practicable searching space of a decision variable is enlarged, and further the initial solution of an original problem and optimization solution efficiency are improved. The technical scheme of the method includes that within the same scheduling cycle, according to the sequence from large to small of single time intervals, a series of hydropower station group optimal scheduling problems with the same restriction and requirement but different step lengths are sequentially solved, the initial output process of a small-step-length problem directly adopts an optimal output result of a large-step-length problem in an upper stage in the solving process, and the initial solution is determined by means of fixed output regulation calculation. The hydropower station group modulation scale optimal scheduling method has the advantages that a traditional optimal scheduling algorithm is not needed to be improved, just by means of repeated usage, hydropower station group modulation optimal scheduling quality can be improved, application difficulty is reduced, and important popularization and application value are achieved.

The invention provides an establishing method of a recoverable immortalized hepatic cell line. The establishing method comprises the following steps: separating a hepatic progenitor cell from liver in a mouse which is 12.5-14.5 days old in an embryonic period; guiding a retrovirus containing genes SV40T and HSV-TK into the hepatic progenitor cell; screening a monoclonal cell strain having a hepatic progenitor cell marker and having a function of differing to a mature hepatic cell; then guiding a retrovirus containing CD gene into the cell strain so as to obtain recoverable immortalized hepatic cell carrying double suicide genes. The cell strain can multiply in vitro to obtain the phenotype and functions of a normal hepatic cell, the safety of the immortalized cell becomes adjustable through controllable modes such as locus recombination and drug screening; when the cell is used in a human body, the biological safety of the immortalized cell is ensured to the greatest extent and the dangerousness of the immortalized cell is reduced; therefore, a reliable, safe and ideal hepatic cell material is provided for bioartificial liver technology.

The invention discloses a satellite remote sensing image instant service method and a satellite remote sensing image instant service platform. The satellite remote sensing image instant service methodcomprises the following steps: S1, screening effective data of which the cloud amount is smaller than a set cloud amount from acquired satellite remote sensing image data; S2, performing ortho-rectification, registration, fusion and color homogenization processing on the effective data to obtain high-precision ortho-image data; S3, performing image slicing on the high-precision orthoimage data according to a quadtree index mechanism to obtain satellite remote sensing image tile data in a standard format; and S4, storing the satellite remote sensing image tile data in the standard format in atile library, analyzing the difference between version libraries, and obtaining a data update package; and the like. The satellite remote sensing image instant service method has the advantages that the application difficulty and the processing cost of using the remote sensing image by a user are reduced; the problems of tedious and complex data processing, management and storage in the remote sensing image application process are solved; and the requirement of the user for real-time monitoring or real-time updating and publishing is met.

The invention discloses a brushless direct-current motor drive chip and a brushless direct-current motor drive system, and belongs to the technical field of motor control. The chip comprises a clock generation circuit, a power management circuit, an analog-to-digital conversion circuit used for converting analog signals of motor control parameters and motor state parameters into digital signals, a position detection circuit used for converting an output signal of a position sensor into a digital signal and acquiring rotor position information and current speed, a digital processing unit used for outputting PWM signals of motor coils of all phases according to the motor rotor position and current speed, the motor control parameters, the motor state parameters and a modulation algorithm, and a gate drive circuit used for converting the PWM signals of the motor coils of all phases into high-voltage drive signals through a bootstrap circuit and outputting the high-voltage drive signals. The system comprises a position sensor, a power tube, and the brushless motor drive chip. By integrating brushless direct-current motor control and the drive chip, the degree of integration and flexibility of the chip are improved greatly.

The present invention relates to a wired testing method of intelligent antenna DOA estimation performance. By utilizing a vector direction diagram of an antenna, the response of an intelligent antenna to a direction of arrival (DOA) is expressed as normalized amplitude and phase distribution of array unit output, the normalized amplitude and phase distribution is realized by using a real amplitude adjuster and a real phase regulator, the amplitude adjuster and the phase regulator with realization of the normalized amplitude and phase distribution are inserted into an intelligent antenna system, the real simulation of the direction of arrival is realized, and DOA estimation performance (including direction of arrival estimation, beam reinforcement or zeroing performance) of the intelligent antenna is determined through a wired test. According to the testing method, no far field or compact range field condition is needed in testing and verification of the DOA estimation performance, requirements to a field and an environment are low, the difficulty of application is reduced, the actual performance of intelligent antenna can be reflected more truly, and the method has wide applicability and popularization and application value.

The invention belongs to the technical field of piston type rotating compressors, and discloses a rotating compressor of a low pressure structure in a shell. The invention is characterized in that a cover board (10) is arranged below a lower bearing (9), a closed cavity is arranged between the lower bearing (9) and the cover board (10), a second oil pond (20) is arranged in the cavity, and an air outlet (91) is communicated with an exhaust hole (93) through the cavity; and the lower bearing (9) is provided with an oil supply hole (94) of a backpressure cavity communicated with the second oil pond (20) and a cylinder (5). According to the invention, through the cover board and an oil supply path of the backpressure cavity in the lower bearing, the oil supply of the backpressure cavity is effectively ensured, and the rotating compressor has the advantages of simple structure, good manufacturability, low actual application difficulty, safety and reliability.

The invention discloses a concave conformal dielectric resonator antenna and a working method thereof, and the antenna comprises a dielectric resonator, a ground plate, a dielectric substrate, a feedseam and a feed line. The ground plate is conformal with the dielectric resonator, and the dielectric resonator is fixed at the middle of ground plate. The upper and lower surfaces of the dielectric substrate are respectively attached to and cover the ground plate and the feed line. The center of the ground plate is provided with the feed seam in a mode of etching. The antenna is fed by the feed line, and then the electromagnetic wave energy is coupled and conducted to the dielectric resonator on the upper surface through the feed seam on the ground plate. The antenna has a very low profile due to the conformal structure, reduces the space occupied by the antenna in a vertical direction, is easy for processing, is of a wearable structure, is wide in application range, is flexible in application scenarios, has a higher gain and a narrower beam, and has a bigger bandwidth.

The invention discloses a self-adaption intelligent system for monitoring abnormal conditions of turning tool and a method thereof; thermoelectric current is generated through a temperature difference between a blade participation cutting area and the bottom of a tool body in the cutting process; electricity is supplied to other vibration testing devices by dint of the current acquisition and a voltage controller; and finally, vibration features in the cutting process are transferred to such electronic equipment as mobile phones, computers or PDA of a visible monitoring platform through WIFI signals to achieve the purpose of real-time monitoring of a turning tool working condition through wireless connection. The system and the method can realize self-power supply in the cutting process and automatic report of the tool working condition, that is, the self-adaption intelligent monitoring function is realized.

The invention discloses a cement-based tile adhesive. The adhesive comprises composition prepared from raw materials in percentage by mass as follows: 80.00%-90.00% of ordinary Portland cement, 5.00%-10.00% of low-alkalinity sulphoaluminate cement, 2.00%-10.00% of redispersible latex powder, 1.25%-2.00% of cellulose ether, 0.25%-0.50% of guar gum powder, 1.00%-6.00% of an early strength agent, sand and water, Wherein the mass ratio of the composition to the sand is 1:4, and water accounts for 10%-15% of the total mass. Compared with the prior art, the cement-based tile adhesive has the advantages that the amount of aggregate (sand) in a formula is increased to 65% or above, the shrinkage of the system is well reduced, so that the tile adhesive can be thick, and the production cost is greatly reduced.

The invention discloses a health assistance system based on health information acquisition and analysis. The system comprises a data acquisition module, a backend analysis module and a frontend interaction module. Multiple mechanisms which comprises an account number protecting mechanism, an encryption transmission mechanism and a user feedback mechanism are utilized. According to health expert opinions and an artificial intelligence algorithm, through perfecting the mode of a health characteristic table, a recommending article database is enriched. The system realizes relatively abundant frontend function designing and has certain user adhesiveness. The system has advantages of realizing low requirement and low dependence to a community hospital, reducing technology application difficultyand enlarging application area of technology. The system aims to perform a health assistance function and does not require to coping with challenges of many diseases, large individual difference andinsufficient measuring precision. Only suggestions of corresponding health characteristic to the user are required. The suggestions comprise science popularization health knowledge, sleeping, exercise, diet, etc. The system has a unified service management function which comprises auxiliary mechanism such as privacy protection, user right protection and insurance.

The invention discloses an industrial production method of a low PCBs environmentally friendly yellow pigment PY83 for plastic cement. The method includes steps of diazo component pulping treatment, diazotization reaction, preparation of a base solution, coupling liquid preparation, coupling reaction and pigmentation treatment. Based on an existing pigment yellow 83 production method, the method can effectively prevent from generating the side reaction of polychlorinated biphenyl in a coupling reaction process by adding substituted olefin (namely, methylolacrylamide) in the coupling reaction,so that the purpose of removing PCBs can be achieved without influencing pigment performance, the polychlorinated benzidine content in a pigment product can be effectively controlled to be lower thana limit value below 25 ppm of an environmentally friendly requirement, the environment problem of high polychlorinated benzidine content in the pigment product of an existing production method can besolved, the steps of post-treatment and polychlorinated benzidine removing through washing can be decreased, and production costs can be reduced as well. The method is reasonable in technology and suitable for large-scale production.

The invention relates to a novel single-phase earth fault starting method. The method comprises the steps of carrying out wavelet packet transformation on a zero sequence voltage signal of a bus to obtain a specific frequency band component; further processing the history data of a high-frequency component and a low-frequency component to obtain a self-adaptive threshold value for diagnosing whether a system is disturbed or not; and rapidly detecting the single-phase earth faults according to whether the system is disturbed or not and the disturbance continuing time. The method is capable of rapidly and correctly recognizing the single-phase earth faults and effectively distinguishing the single-phase earth faults and non-fault behaviors of switching on-load circuits and switching capacitor banks, has relatively strong adaptation capacity and has relatively high recognition correctness under the working condition of noise interference.

The invention belongs to the technical field of power system control and particularly relates to a plug-and-play power system stabilizer design algorithm. The plug-and-play power system stabilizer design algorithm comprises the steps of: building a local model by employing voltage of a high voltage side bus of a transformer at an outlet of a generator, carrying out linearization on equation sets of the model and then substituting the equation sets into a differential equation set and arranging the equation set into a matrix form; solving steady-state initial values of other variables according to system parameters and given variable initial values under a steady-state operating point; calculating an open-loop electromechanical oscillation mode as shown in the specification; designing the power system stabilizer by a phase compensation method; arranging the designed stabilizer on the generator for simulation verification; and changing the system operating state, namely changing output power of the generator, collecting a local signal again through an automatic collection device, designing stabilizer parameters after the operating state changes and carrying out simulation verification, thereby achieving the plug-and-play function and the robustness of the stabilizer under different operating states of the system.

The invention discloses a flexible multi-junction solar cell and a fabrication method thereof. The multi-junction cell sequentially comprises a flexible substrate, bonding metals and a multi-junction cell epitaxial structure from bottom to top, wherein the flexible substrate is a metal material thin film whose the coefficient of thermal expansion is lower than those of bonding metal layers, and the thin film can provide a support effect with certain flexibleness and also can be used for balancing the pull stress of the bonding metal layers on the epitaxial structure so that the cell is in a balance state before the cell is finally used. The multi-junction cell disclosed by the invention has flexibleness and can be applicable to most curved surface occasions; with the adoption of a traditional upper / lower electrode structure, the multi-junction cell is convenient to package; and moreover, the all-metal structure is very beneficial for heat dissipation.

The invention, which belongs to the technical field of urban smart traffic and image search, provides a smart vehicle model identification method. A vehicle image is mapped into a low-dimensional European space vector; and an Euclidean distance between vectors is calculated to determine a vehicle model. To be specific, a deep convolutional network is built; and the network is trained by using lotsof triple samples, so that the network has the capability of mapping of being lower than different types of vehicle picture distances by the same types of vehicle picture distances. The method has the characteristic of random application by training once; a problem of classification of vehicle models not appearing in training samples is solved; the training cost is lowered substantially; and theapplication difficulty is reduced.

An industrial production method for a red with small precipitation on a machine surface and a method for detecting precipitation on a machine surface and belong to the technical field of pigment synthesis and detection. Amino chlorotoluene sulfonic acid sodium salt is subjected to acidification to obtain a turbid liquid; a sodium nitrite water solution is added to achieve diazotization so as to obtain a diazotized solution; the diazotized solution and 3-Hydroxy-2-naphthoic acid are subjected to coupled reaction with existence of a dispersant, and the obtained product is laked to obtain a red. Before laking, the dispersant is added to coat the pigment so as to obstruct growth of the pigment crystal form, the dispersity is improved, the applicability of the machine surface precipitation during application of the blue-ray red to plastics is remarkably improved, and the economic benefits are improved; the reaction conditions are mild, the requirements on equipment are low, and the reaction time is short; the dispersant is relatively common, the application difficulty of a modifier is relatively low, the performance of the obtained blue-ray red is good, the heat resistance can reach 220-230 DEG C, and the transference resistance is of 4 grade.

The invention discloses a transmission inspection device. The transmission inspection device comprises two inspection channels and a dual-fan-shaped-beam X-ray machine arranged between the two inspection channels, wherein the dual-fan-shaped-beam X-ray machine is used for generating two mutually independent X-ray fan-shaped beams, transmitting one X-ray fan-shaped beam to one inspection channel and transmitting the other X-ray fan-shaped beam to the other inspection channel so as to respectively carry out transmission scanning of inspected targets in the two inspection channels; an included angle is formed between field angle center lines of the two X-ray fan-shaped beams, so that transmission scanning in the two inspection channels is free of mutual interference. The invention also discloses a method for inspecting the inspected targets by using the transmission inspection device.

The invention provides a data transmission and processing system and method. The system comprises a data transmission module, a cloud storage module and a data processing module. The data transmissionmodule and an Internet of things cloud platform are connected with the data processing module. The method comprises the steps that the data processing module receives sensing data transmitted by thedata transmission module; and the data processing module processes received sensing data and sends processed sensing data to the cloud storage module for storage.

The invention discloses a loop-mediated isothermal amplification reagent capable of being transported at a normal temperature as well as a preparation method and application of the reagent. The reagent comprises Bst DNA Polymerase, dNTP, a primer mixture, an indicator, a protective agent and an aerosol pollution preventive. The preparation method comprises the following steps: mixing the previouscomponents, and performing freeze drying at a temperature of 70-80 DEG C below zero for 8-16 hours, thereby obtaining the loop-mediated isothermal amplification reagent. A loop-mediated isothermal amplification reagent used for nucleic acid test is prepared in the invention, can be transported and preserved at the normal temperature, and is convenient to transport and excellent in stability; meanwhile, the problem that popularization of a LAMP (Loop-mediated Isothermal Amplification) technology is limited by aerosol pollution is solved, and the application and popularization difficulty of theLAMP technology is greatly reduced. The activity of the Bst DNA Polymerase in the reagent is 150%, the reagent can be preserved at the normal temperature of one year or longer, only a buffer solutionneeds to be added during use, the operation is simple, the activity of DNA polymerase is high, the detection sensitivity is loss-free, the interference of the protective agent is low, and the cost islow.

The invention is suitable for the electronic device manufacturing technology, and provides an intelligent power module and an intelligent power module manufacturing method. The intelligent power module comprises a substrate, a circuit wiring layer, circuit elements and a metal wire, wherein the substrate comprises a first surface and a second surface which is opposite to the first surface; the first surface forms gauffers; the second surface is covered by an insulation layer; the substrate is a paper-based radiator; the circuit wiring layer is formed on the surface of the insulation layer; the circuit elements are arranged on the corresponding positions of the circuit wiring layer; and the metal wire is connected with the circuit wiring layer and the circuit elements. As the back of the intelligent power module is provided with radiation gauffers so that the radiation area is greatly increased and the insulation layer can satisfy the radiation requirement of power elements without using high thermal conductivity materials. As the radiation structure is made of paper-based materials, the weight of the radiation structure is light and the total weight of the intelligent power module is reduced, thus being convenient for long-distance transport and assembling for workers. As the module is provided with a radiator, during the application process, no radiators are required to be connected with the outside of the module so that the application difficulty and the application cost are reduced and assembling quality is improved.

The invention discloses a mark point multi-angle scanning method, system and device. The method comprises the steps: obtaining the mark point data of a scanned mark point at different visual angles, carrying out the reconstruction of the mark point data, determining a mark point plane according to the mark point reconstruction data obtained through reconstruction, and dividing the mark point planeinto at least two angle regions; in the continuous scanning process at different visual angles, projecting the center of the scanner instrument scanned each time to a marking point plane, and calculating the number of times of falling into each angle area; counting the number of times of falling into each angle area in real time, and completing scanning when the number of times meets a preset threshold value of a corresponding angle; after scanning is completed, data structure conversion is conducted on the mark point reconstruction data, global optimization is conducted on the converted markpoint reconstruction data through a bundle adjustment method, and an obtained global optimal solution serves as a scanning result to be output. According to the invention, the splicing precision of the overall mark points can be improved, so that laser scanning can be better applied to the field of industrial measurement.