69results about How to "Shorten research time" patented technology

The invention provides a method for calculating deviation of GEO satellite forwarded signal codes and carrier phases. The method includes the steps that firstly, a carrier large-loop code pseudo-range equation and a carrier phase pseudo-range equation are established, then, ionized layer parameters are calculated through observation results of double-frequency codes and the carrier phases, the offset of the code on the carrier C1 and the carrier phase and the offset of the code on the carrier C2 and the carrier phase are calculated respectively, and finally, the real-time control quantity of the codes on the carrier C1 and the carrier C2 and the carrier phases is acquired through filtering. According to the method, the GEO satellite forwarded signal codes and the carrier phases can be identical.

The invention relates to a control system for tunnel stratum loss and grouting simulation in a centrifugal field. The system comprises a model case, a baffle plate, a model component, an accessory component, an operation subsystem and a centrifuge, wherein the baffle plate is arranged in the model case to divide the model case into two parts, namely a model side and an accessory side; the model component is arranged in the model side; the accessory component is arranged in the accessory side; the accessory side of the baffle plate is welded with three pieces of stiffening plates to divide theaccessory side into three spaces; the operation subsystem is connected with the accessory component; and the model case is arranged on the centrifuge. Compared with the prior art, the control system has the advantages that the control system can simulate actual conditions such as tunnel excavation, the stratum loss and tunnel grouting in the high-speed centrifugal field, better represents actual soil mass stress level in a laboratory and can acquire practical engineering rules; equipment and devices needed by making the system can be realized in the prior art; the requirements on equipment ofa centrifugal laboratory are not high and the like.

The invention discloses a humanoid robot soccer competition real-time simulation system of the computer simulation technology field, and comprises four modules: a client end, a server, a monitoring module and an information interaction module. Three humanoid robot modules are arranged on the client end, each humanoid robot module obtains the scene information from the server by the information interaction module, reconstructs the scene competition environmental module, analyzes the current environment, generates the decision information and synthesizes the standard instruction to be sent to the server by the information interaction module, so as to carry out the competition between the two teams; the monitoring module carries out the real-time display of the conditions of the competition between the two teams, and the four modules construct the three-to-three humanoid robot soccer competition 3D real-time simulation system. The humanoid robot soccer competition real-time simulation system actually reflects the process of the humanoid robot soccer competition and provides a great test platform for improving various theories, algorithms and the structure of the humanoid robot system.

The invention belongs to the field of tunnel engineering research in geotechnical and underground engineering, in particular to a water leakage simulating and measuring system of a tunnel in a centrifugal field. A hollow cuboid is arranged at the middle part of a model case which is divided into a model side and an accessory side by a partition board; a sealing top cover is arranged at the top of the model side, a tunnel is positioned on the model side, and a hydraulic valve and a liquid storage cylinder are positioned on the accessory side; the partition consists of a steel plate, a longitudinal reinforcing rib and a transverse reinforcing rib; the steel plate is provided with a hole with threads; a bidirectional joint is sleeved in the hole with the threads and respectively connected with the tunnel tube and the hydraulic valve through liquid conduits arranged at two ends of the bidirectional joint; the hydraulic valve is connected with the liquid storage cylinder; a pore water pressure gauge is arranged at the bottom of the liquid storage cylinder; the top surface of the liquid storage cylinder is provided with a pore; and the pore water pressure gauge passes through the port and is connected with measuring equipment through a lead. The invention can simulate actual water leakage condition of the tunnel in a high-speed centrifugal field and better reproduce the actual soil body stress level. The equipment and instrument required by the invention can be realized under the prior technical level; and the invention has low requirement on equipment of a centrifugal lab, can be conveniently manufactured and popularized and better serves scientific research.

A device according to the present invention comprises:a central unit (8) having access to a database (18) in which there are stored not only information on the aircraft fleet to be managed but also an aircraft repair manual, this central unit (8) having means of communicating with the outside, and in particular with a technical center (16) of at least one aircraft manufacturer,at least one portable device equipped with visual display means as well as with means of wireless communication between the said portable device and the central unit (8).Application to the analysis of damage observed in an aircraft during inspection thereof.

A springback occurrence cause analyzing method includes a forming analyzing step of calculating forming data about an object to be formed, a component resolving step of resolving the stress component in one direction into a parallel stress component and a bending moment component, a pre-calculation independent resolution forming data creating step of creating pre-calculation independent resolution forming data, a calculating step of creating post-calculation independent resolution forming data, a springback analyzing step of analyzing a first springback shape and a second springback shape, a degree-of-influence calculating step of determining the degree of influence of the stress of each region calculated from the shape before the springback included in the forming data and the first and second springback shapes on the springback deformation, and a display step of displaying the degree of influence on the springback deformation.

The invention discloses a wind turbine simulator of a double salient pole motor and a control method thereof, which belong to the wind turbine simulator and the control method thereof. The wind turbine simulator of the double salient pole motor comprises a double salient pole motor, a main power circuit and a control circuit, wherein the main power circuit comprises a power supply and an IPM, and the control circuit comprises a buffer circuit, a failure detector circuit, a current and voltage sampling circuit, a position detecting circuit, a PWM control circuit, an overcurrent and overvoltage protection circuit, an ADC module, a rotating speed computing circuit, a logic control circuit, a torque observer, a capturing unit, a torque loop, a lag loop comparer and a mathematical model of the wind turbine. The control method adopts the manner of double loop control with the inner loop for the torque and the outer loop for the rotating speed, and the current of the double salient pole motor is indirectly controlled through comparing the reference torque with the fedback torque, so as to realize the simulation of the wind turbine. The invention has the advantages that the structure is simple, the force is large, various wind speeds under conditions such as a wind tunnel or a wind field can be simulated, and the invention has large flexibility.

The invention discloses a cucumber male sterility gene related SNP (Single Nucleotide Polymorphism) marking method and application. The marking method comprises the steps of taking a YL-5 male sterile line as a female parent to hybridize with a distant related variety D37-1, so as to obtain a hybrid F1, performing selfing by the hybrid F1 to obtain an F2 population, and two phenotypes of male sterility and male fertility exist in an F2 segregation population, then utilizing a method of combination of re-sequencing and BSA, screening an SNP locus unrelated with the male sterility, and developing a male sterility gene related molecular marker. The marking method disclosed by the invention has the advantages of short period, low cost and high efficiency. Meanwhile, an important development approach is provided for molecular markers for molecular breeding, phyletic evolution and germplasm resource identification.

The invention provides an Agrobacterium rhizogenes mediated strawberry gene transferring method. Agrobacterium rhizogenes MSU440 containing 35S::DsRed reporter gene is utilized to infect forest strawberry aseptic seedling hypocotyl to obtain a co-transformation plant, so as to obtain a transformed hairy root. According to the proposed forest strawberry hypocotyl transformation method, the transformation period which is one and half months can be shortened greatly, and the experimental result is also intuitive; an in-vitro strawberry hairy root system can provide a rapid and reliable method for strawberry gene function identification.

The invention relates to a researching method for hydraulic forming technical parameters of a titanium T-shaped pipe. The combination of a simulation model and a theory test is utilized to research the hydraulic forming of the T-shaped pipe; a 1 / 4 simulation model is adopted as the model; the researching time is shortened; the production efficiency is increased; a qualified T-shaped pipe is prepared in a hydraulic forming test by utilizing the technical parameters acquired from the research by researching the relation between inner-pressure loading and time (inner-pressure loading path) and the relation between punch feeding and time (punch loading path); the supplementary material of the forming area is effectively realized, so that the smaller wall-thickness thinning ratio and the relative uniform wall-thickness distribution are acquired; the forming limit of the T-shaped pipe is increased; the traditional research for the technical parameters by utilizing experiences and continuous tests is avoided; the cost is reduced.

The invention discloses a method for generating hairy roots by efficiently inducing trifoliate orange by agrobacterium rhizogenes, and application of the method. The method is accessible, simple and convenient to operate, and high in induction frequency of co-transforming hairy roots. Separated hairy roots can self-grow on an MT basic culture medium, the growing condition is easy to control, and experimental observation is convenient. A hairy root system contains a DR5::YFP (Yellow Fluorescent Protein):GUS (Glucuronidase) reporting gene, and a DR5 promoter is inducted to express by auxin, so that distribution and expression modes of endogenous auxin in the growing and developing process of hairy roots can be intuitively observed according to YFP fluorescent and GUS dyeing results, and the problems that a root system growing in soil is inconvenient to observe and take, the growing environment is hard to control and the like in conventional methods of trifoliate orange root system development study are solved.

The invention discloses a corrosion-resistant multi-working-mode supercritical carbon dioxide extraction system. The corrosion-resistant multi-working-mode supercritical carbon dioxide extraction system comprises an installation rack, a high pressure constant-flux pump, a control cabinet, a carbon dioxide pump, a preheating mixer, a first constant temperature extraction kettle, a second constant temperature extraction kettle, a gas liquid separator, a constant temperature water tank, a high pressure carbon dioxide steel cylinder, a storage tank, and a low pressure circulating pump. When the corrosion-resistant multi-working-mode supercritical carbon dioxide extraction system is used for polluted soil leaching decontamination, cooperation using of a first valve, a second valve, a third valve, a fourth valve, and a fifth valve is adopted, a plurality of working modes can be selected, the appropriate working mode can be selected based on different requirements, working mode is flexible and selective, research time is saved effectively, and more scientific research data is obtained at the same time; the first constant temperature extraction kettle and the second constant temperature extraction kettle are provided with hastelloy inner liner polytetrafluoroethylene layers, and long lasting strong acid corrosion resistance at high temperature under high pressure is achieved.

The invention provides a high-throughput microalgae growth testing device and method. The device comprises a culture frame body, a light source, a CO2 or air source, a digital gas flowmeter, milliliter culture flasks, a gas multi-valve parallel regulator, and a gas filter; the culture frame body is provided with a plurality of locating structures used for accommodating the milliliter culture flasks. The high-throughput microalgae growth testing device not only keeps the various advantages of small system, high parallelity, wide scope of application and the like, but also makes a breakthrough on the aspects of high throughput, flexibility and stability, the high throughput of 1200 groups of reaction culture flasks at most is realized in one cubic meter, and the time spent on research is greatly saved. The illumination and the air supply for one single reaction culture flask are accurately controlled; the in-situ sampling is realized through an injector, so that the sampling is accurate,the risk of contamination is also reduced, the reaction system is constant in the whole culture process, and the accuracy of the result is improved.

The invention discloses a method of quickly searching an in-vitro metabolite of a target compound and researching the subtype of a metabolic enzyme thereof by means of in-vitro human liver microsome incubation with combination of LC-Q-TOF / MS detection. The method is mainly used for researching of medicine-medicine interaction and mainly includes the steps of in-vitro incubating the target compound by the human liver microsomes, performing data collection and quick analysis to a sample by means of LC-Q-TOF / MS, and quickly searching the metabolites of the target compound and determining the subtype of the metabolic enzyme participating in the metabolism thereof. The method comprehensively considers the in-vitro human liver microsome incubation conditions and conditions of chromatography and mass spectrum data collection. In addition, with combination of related software for quickly analyzing the data, the metabolite of the target compound can be more accurately and quickly searched and found, and the subtype of the metabolic enzyme participating in the metabolism can be comprehensively determined, thus providing evidence for researching the medicine-medicine interaction.

The invention discloses a directional cloning method, a transformation method of a carrier and a carrier T, wherein the directional cloning method includes the steps of designing and synthesizing an enzyme digestion kit, constructing the linear carrier T with two ends provided with protruded dT, generating PCR (Polymerase Chain Reaction) segment of the target gene, and constructing a recombinant carrier containing the target gene. According to the directional cloning method, the directional TA cloning technology can be used for preparing efficient directionally-cloned carrier T which can be widely applied to cloning and expression of a PCR product in molecular biology experiment. As an expression carrier is reconstructed, the PCR product can be directly connected to the expression carrier, the connecting direction of the target gene can be determined after identification of single enzyme digestion, expression can be performed in cells, the connecting direction is determined without complex steps such as conventional sequencing and the like, the direction cloning can be simply and rapidly realized, engineering bacteria can be constructed through one step, and the application prospect is wide.

The invention discloses a low-altitude remote sensing and ground sensing dual-sampling simulation system, and the system comprises: an unmanned plane low-altitude remote sensing flight simulation module which is used for simulating the flight data of an unmanned plane in a flight process; a unmanned aerial vehicle and wireless sensor network information dual-acquisition simulation module which isused for low-altitude remote sensing data acquisition simulation of the unmanned aerial vehicle and data ground convergence and air transmission simulation of wireless sensor network data acquisition;and a simulation process visualization module which is used for carrying out visualization processing on the flight route data of the simulation unmanned aerial vehicle and the data transmission of the wireless sensor network, and carrying out visualization processing on the flight sampling process of the simulation unmanned aerial vehicle on the flight route data. In the embodiment of the invention, low-altitude remote sensing sampling and ground sensing sampling three-dimensional transmission can be simulated at the same time, the energy consumed by each ground node in data transmission andthe data volume acquired by the unmanned aerial vehicle are calculated in a simulation mode, and the research time for energy consumption optimization and data optimization is greatly saved.

The invention provides a continuous rotation detonation combustion chamber supercharge ratio predicting method based on a RBF neural network. The predicting method comprises the following steps: data sample acquisition, selection of input and output parameters, determination of the structure of the RBF neural network, training and testing of the RBF neural network and the like. The axial size, the peripheral size, the matching of inlet fuel / oxidizing agent flow, and total temperature and total pressure of an oxidizing agent of a combustion chamber are selected as input parameters of the RBF neural network, and the supercharge ratio of the combustion chamber is selected as an output parameter of the RBF neural network. By the predicting method, the specific mathematical relation between the input parameters and the output parameter does not need to be determined, the supercharge ratio of the continuous rotation detonation combustion chamber can be realized effectively, and the predicting method has a certain guidance significance on performance prediction of the continuous rotation detonation combustion chamber, the structural optimized design and modeling and simulation of a complete machine.

The invention belongs to the field of plant biology, and relates to a method for determining the sex of an oil palm immature inflorescence by a cytohistology technique. The method comprises the steps: selecting an inflorescence in III period of a male and female non-dominant period, carrying out fixation, dehydration and transparence, wax dipping and embedding, slicing and baking, and dewaxing and staining to prepare a section, observing and photographing the section with a microscope, calculating the number of flower bract primordia, the number of flower bracts, the number of new flower bract primordia and the number of floral primordium meristems, and then determining the sex of the inflorescence according to a determining ruler of the sex of the oil palm immature inflorescence. According to the difference of oil palm male and female inflorescences in morphology and cytohistology levels, the sex of the inflorescence is determined in the male and female non-dominant period in advance by using the cytohistology technique, the research time is effectively shortened, the research process is accelerated, the basis is provided for further researching the relationship of an oil palm inflorescence sex differentiation mechanism with external factors, and important significance on flowering phase and sex ratio regulation, yield increasing and the like in oil palm production is achieved.

The invention discloses a switching serial port line capable of switching between cross connection and direct connection. The switching serial port line capable of switching between the cross connection and the direct connection comprises a signal input serial port end and a signal output serial port end, wherein a cross connection and direct connection switching switch is arranged on the signal input serial port end; a sliding control block is arranged inside a sliding cavity of a switch box in a left-and-right sliding manner; a front signal transmitting assembly and a back signal transmitting assembly are arranged between the sliding control block and the front sliding surface of the switch box and between the sliding control block and the back sliding surface of the switch box respectively; the front signal transmitting assembly comprises an upper front elastic plate and a lower front elastic plate which are arranged on the sliding control block, and an upper front contact plate and a lower front contact plate which are arranged on the switch box; the upper front contact plate and the lower front contact plate are connected with an RXD and a TXD of the signal input serial port end respectively; the back signal transmitting assembly comprises an upper elastic plate and a lower elastic plate which are arranged on the sliding control block, and an upper back contact plate, a lower back contact plate, a left back contact plate and a right back contact plate which are arranged on the switch box; every two back contact plates are communicated in a cross way and are connected with the an RXD and a TXD of the signal output serial port end respectively. The switching serial port line capable of switching between the cross connection and the direct connection can switch between two states, namely a cross-connection line and a direct-connection line, on one serial port line, so that the development time of a researcher is saved and the product debugging efficiency is improved.

The invention relates to the field of efficient and controllable preparation of semiconducting dominant single-walled carbon nanotubes, in particular to a method for controllable preparation of semiconducting single-walled carbon nanotubes through combination of high-throughput screening and machine learning. A combined mask plate is adopted to assist ion beam coating, and a discrete catalyst array is deposited on the digitally-marked silicon wafer in a high-flux mode; automatically representing the single-walled carbon nanotubes discretely distributed on the surface by adopting a Raman spectrometer and obtaining respiratory model information; the method comprises the following steps: automatically extracting the position and number of breathing modes from high-flux Raman spectrum data through an independently designed data mining tool, calculating and judging the conductive property of the single-walled carbon nanotubes on each catalyst array, and calculating the content of the metallic or semiconducting single-walled carbon nanotubes in combination with multi-wavelength Raman breathing mode data; and collecting high-throughput data to train a machine learning model, carrying out importance sorting on growth parameters influencing the conductive properties of the carbon nanotubes, and providing guidance for controllable preparation of high-purity semiconductor single-walled carbon nanotubes.

The invention discloses a half die forging method and a half die forging device of a crank throw for a large ship. The half die forging method includes the flowing steps: removing the head portion and the tail portion of a steel ingot, forging and pressing the steel ingot to a flat billet with a boss in the middle of the flat billet, conducting lateral press at the same time to the boss of a pre-formed blank by using two symmetrical side press clamp round models, clamping a round part of a pin part, embedding and pressing the blank after the blank is laterally pressed by using a bend forging upper die and a crank throw pin part forming die, bending forging, and conducting secondary bending forging and repair by using an upper flat anvil and a lower flat anvil. The side press clamp round models is are used for replacing an existing V-shaped die, and the crank throw pin part forming die is added, the shape of a crank throw pin part after half die forging is close to a circle, slopes of two sides are formed at the same time, and subsequent processing time is reduced, optimal design of boundary dimension of the blank and parameters of the die are conducted by using a computer analog technology, test times and capital investment are reduced, working allowance of forging pieces after optimization is reduced obviously, production raw material and costs are saved and production efficiency is improved.

The invention provides an electrical circuit modeling method, a simulation test system and a simulation terminal. The method comprises the following steps: enabling the on-state of a nonlinear switching device in an electrical circuit to be equivalent to equivalent inductance, and enabling the off-state of the nonlinear switching device to be equivalent to equivalent capacitance; building a capacitor and a capacitor discrete model in an electrical circuit according to the equivalent capacitor; building an inductance discrete model according to the equivalent inductance and inductance in the electrical circuit; processing according to the capacitance discrete model and the inductance discrete model to obtain an equivalent model; and processing the equivalent model by using a node analysis method to obtain an electrical circuit multiplication model. According to the electrical circuit modeling method, the simulation test system and the simulation terminal provided by the invention, the electrical circuit real-time transient simulation test system can be built, a more efficient test scheme is provided for an electrical circuit control technology, the experimental research and verification time of the electrical circuit control technology is effectively reduced, the development cost is saved, and the development period is shortened.

The invention provides a dual heating treatment method of directionally solidified a polycrystalline silicon solar cell. The method comprises the following steps: pre-treating a silicon wafer; pre-heating and secondary heating the silicon wafer; and pickling and manufacturing a solar cell. By means of an infrared spectrum technology, a directionally solidified polycrystalline silicon ingot bottom material is pertinently selected by utilizing the characteristic that a proper quantity of precipitates formed in the process of heat treatment of oxygen can absorb and remove metal impurities, so that the aim of improving the efficiency of the polycrystalline silicon solar cell can be achieved.

The invention discloses an ordinary still life transparent model. The surface of a structural transition place is provided with auxiliary structure lines, and the whole is transparent. Particularly, ordinary still life transparent models are divided to a jar-kind ordinary still life transparent model, a fruit-kind ordinary still life transparent model and a vegetable-kind ordinary still life transparent model. According to the ordinary still life transparent model of the invention, through the design of the auxiliary structure lines and the design of the transparent state, a sketch beginner can effectively master the inner structure, the outer structure, the space and the perspective law of an ordinary still life during a learning process.

The invention relates to the field of navigation management, in particular to a method for simulating aircraft flight tracks. Aiming at the problems existing in the prior art, the method for simulating the aircraft flight tracks enables the accurate aircraft flight tracks to be simulated flexibly according to the information such as the current location of an aircraft and the speed of the aircraft. According to the method for simulating the aircraft flight tracks, the longitude L2 and the latitude B2 of the position where the aircraft located after unit time t is obtained according to the longitude L and the latitude B of a projection point K of the aircraft on a spheroid and the component velocity VL on the circle of longitude and the component velocity VB on the circle of latitude of the aircraft, and then a series of the flight tracks of the aircraft are obtained.

The invention discloses a serial port cable of a crossover direct connection switchable switch, which includes signal input and output serial port terminals, the crossover direct connection switchover switch is arranged on the signal input serial port terminal, and a sliding control block sliding left and right is arranged in a switch box In the sliding cavity of the sliding control block, front and rear signal conduction components are respectively set between the sliding control block and the front and rear sliding surfaces of the switch box. The upper and lower front contact pieces of the box are respectively connected to the RXD and TXD of the signal input serial port terminal, and the rear signal conduction assembly includes the upper and lower rear shrapnel arranged on the sliding control block and the upper and lower rear shrapnel arranged on the switch box. , down, left and right four rear contact pieces, and the rear contact pieces are cross-connected and connected to the RXD and TXD of the signal output serial port respectively. The invention can switch the two states of the crossover line and the straight connection line on one serial port line, save the researcher's development time and improve the product debugging efficiency.

A method is proposed for improving the layout efficiency in laying out electronic components, which is applicable to information processing equipment, to accelerate the layout of electronic components. First, a first two-dimensional plan view including various electronic component members is preset using a drafting software platform. Subsequently, the two-dimensional plan view is converted to a text file and all the relevant data of the electronic components contained in the two-dimensional plan view are encoded in the text file. Then, all of the electronic component members contained in the first two-dimensional plan view are displayed in a second two-dimensional plan view, and a function selection menu is generated by an arithmetic process. Therewith, a user is able to select the data of the electronic component contained in the text file via the function selection menu to perform the layout operations for a printed circuit board.

The invention discloses a method for organizing and managing radar signal files, and belongs to the field of radar signal management method research. The method comprises the following steps: acquiring a digital radar echo signal of a radar field work station to an acquisition processor; adding a file header to a radar original signal file according to a working parameter of a radar work field; generating radar signal files, storing the radar signal files in a file management server in a mobile transmission mode, establishing a database according to a geographic environment type, inquiring thedatabase in a single-condition and multi-condition inquiry mode, displaying inquired files on a client in a radar video image mode and a user-defined azimuth waveform mode, and then intercepting thefiles, transferring the files and transmitting the files. The method provides an actual measurement data source for researchers in the aspects of radar signal processing, target detection and tracking, clutter suppression, radar signal comprehensive display processing and the like, so that the research result is more scientific and accurate.