70 results about "Direct analysis" patented technology

The invention provides a method for correcting phases of an inner ring and an outer ring after power amplification and related equipment, and relates to the technical field of multi-path complex channels. And dividing the multipath complex signal into an inner ring and an outer ring. And performing exponentiation on the inner ring signal to eliminate the phase of the modulation information, and only remaining the residual phase information at the moment. The accumulation processing can integrate the phase information of a plurality of sampling points, and further highlights the overall phase change trend. In the phase calculation, the processed information is converted into phase data which can be directly analyzed, the phase offset is accurately calculated and corrected based on the phase data obtained in the previous steps by changing the direction and performing the extraction operation, the problems of inconsistent phases of the inner ring and the outer ring and disordered relative positions caused by a power amplifier are solved, and the communication quality and the system performance are improved.

The invention relates to power semiconductor device on-line monitoring and power electronic system control, in particular to a SiC MOSFET conduction current extraction circuit and method, high-frequency oscillation interference is effectively suppressed through a second-order passive RC filter circuit, a measurement error less than or equal to 1.5% is realized within a current range of 50A-300A in combination with an accurate mathematical model established by a depth symbol optimization algorithm, and the measurement accuracy is improved. The requirement of the intelligent gate driver on high-precision current feedback is met, and the measurement precision is remarkably improved; the pulse width direct analysis technology is adopted, a traditional active integrator and a digital decoding link are omitted, the system response delay is smaller than or equal to 500 ns, microsecond-level over-current protection can be supported, the response speed and the real-time performance are optimized, and the system safety in a high-frequency application scene is remarkably improved.

A method and system for enhanced financial data processing using large language models (LLMs) to transform PDF statements into structured accounting data. The invention preprocesses statements with line numbering, character position tagging, and data partitioning to overcome LLM context limitations. The system extracts transactions, reconciles them with statement balances, normalizes vendor information, and generates enhanced output files compatible with standard accounting platforms. This enhanced transaction data collapses reconciliation and categorization times in downstream accounting systems. The system creates a robust vendor-transaction database supporting direct analysis or simultaneous application of multiple accounting models.

The invention discloses a method for rapidly detecting chemical components in a thin steel plate below 2mm by using a direct-reading spectrometer, belongs to the technical field of physical and chemical detection, and aims to solve the problem that a sample with the thickness of less than 2mm in the national standard GB / T 4336-2016 cannot be directly analyzed by using spark discharge atomic emission spectrometry. The method comprises the following operation steps: confirming conditions such as a sample preparation mode, a sample spectrum excitation limit thickness, influence of sample flatness and use of a special sample clamp, optimizing working conditions of an instrument, and establishing a method for measuring 13 elements such as C, Si, Mn, P, S, Cr, Ni, Cu, Al, Nb, V, Ti and N in a carbon steel and low alloy steel sheet with the thickness not less than 0.20 mm through spark discharge atomic emission spectrometry. And verifying the precision and accuracy of the determination result of each element, and comparing the results to show that the determination result of each element is consistent with the standard GB / T 4336-2016. The method does not need to decompose a sample, and has the characteristics of accurate and rapid determination and good stability.

The invention relates to an unsaturated lipid analysis method, an unsaturated lipid analysis system and an on-line supercritical fluid derivative extraction-phase change focusing device thereof, the unsaturated lipid analysis method comprises the following steps: S1, under the action of a selective adsorbent, unsaturated lipid and a derivatization reagent are subjected to an epoxidation reaction in carbon dioxide in a supercritical state to obtain an extract liquid; the selective adsorbent is TiO2, and the derivatization reagent is m-CPBA; s2, changing the carbon dioxide in the supercritical state into a gas state by controlling the temperature and / or pressure, so as to enrich an epoxidation product of unsaturated lipid; and S3, analyzing the epoxidation product by adopting chromatography-mass spectrometry to obtain diagnosis ions of the epoxidation product, and determining the positions of double bonds in the unsaturated lipid according to the diagnosis ions. According to the method, derivation and extraction can be carried out in the same container, the extract directly analyzed by the supercritical fluid chromatography-mass spectrometry is provided, and the sample pretreatment step is simplified, so that sample degradation and artificial errors are reduced.

The invention relates to the technical field of mass spectrometers, and discloses an analytical instrument based on glow discharge and quadrupole mass spectrometry combination, which comprises an ion source, an ion transmission system and an ion separator, wherein the ion source is a glow discharge ion source; the ion separator is a quadrupole rod mass analyzer, and the quadrupole rod mass analyzer comprises four electrodes which are arranged in parallel. Compared with an existing analytical instrument, the glow discharge ion source can directly analyze a solid sample without being pretreated into a solution, and compared with an inductively coupled plasma source, the glow discharge ion source is small in matrix effect and especially suitable for high-salt and high-carbon samples; the quadrupole rod mass analyzer is simple in structure, small in size, low in cost, especially suitable for commercialized popularization and high in scanning speed.

This invention discloses a covalent organic framework material for selective solid-phase adsorption and separation, its preparation method, and its applications. The material is prepared by polycondensation reaction of electron-deficient triazine rings with short-chain linkers such as hydrazine hydrate, forming a layered structure with a high specific surface area of ​​602 m² / g and a concentrated pore size of 2.0 nm to 3.0 nm. This structure exhibits high adsorption capacity (up to 1.0 mg / g), rapid adsorption kinetics, and excellent selectivity for PAHs in organic solutions through strong π-π interactions and pore confinement effects. The preparation process is simple and the conditions are mild. The material has good thermal stability (>300℃), and its performance retention rate is higher than 92% after 5 cycles. When applied to the solid-phase adsorption of PAHs in petroleum products such as lubricating oil and white oil, it effectively eliminates matrix interference, allowing direct analysis without complex purification steps after adsorption. This overcomes the limitations of traditional materials such as silica gel and activated carbon, which have weak adsorption capacity and require cumbersome post-treatment, providing a new high-performance adsorption material solution for the efficient detection of trace PAHs in petroleum products.

The invention discloses an ionization device. Electrospray is an ionization mode, and after the electrospray is combined with a mass spectrometer or an ion mobility instrument, atoms and molecules can be analyzed or some microorganisms or cells can be directly analyzed. Based on the process that liquid fluid is atomized and expanded firstly and then gaseous fluid is compressed before entering an instrument in the electrospray process, a geometric structure cavity matched with the liquid fluid in shape is designed and used for spraying. By means of the mode that the shape is matched with the introduction process of the fluid, spray moves forwards as much as possible in a laminar flow mode, so that more stable spray fluid is obtained, and ions can be better introduced into an instrument for analysis.

A device for preparing a tissue for analysis includes a first conduit adapted to transport at least one solvent, the first conduit having a distal opening that delivers the at least one solvent to a selected location on the tissue, a second conduit adapted to collect a sample comprising the at least one solvent and an analyte / metabolite from the tissue and transport the sample to at least one of a waste disposal, a storage container, and a sample analyzer. The device may be configured to directly sample an embedded tissue, and may include a heater that heats the at least one solvent to a temperature that melts the embedding medium, wherein the collected sample comprises the at least one solvent, liquified embedding medium, and an analyte / metabolite. The device allows direct analysis of the tissue at the selected location, without removing the embedding medium from the entire tissue section.

The application provides a revit model direct analysis and rendering method and system, the method comprises the following steps: extracting model original data through a plug-in API; analyzing the model original data to generate model analysis data; transmitting the analysis data to a server end for scene processing, including reconstructing the spatial structure of the model, generating hierarchical scene features, and establishing an index to form a model scene file; loading the model scene file through a multi-threaded download mechanism of a front-end page; and rendering the downloaded model scene file in real time. The application realizes direct analysis and rendering of a revit model by targeting a revit plug-in API, provides basic data support for flexible use of model data throughout the life cycle, has good reusability and expandability, greatly improves the stability of revit analysis and the efficiency of rendering, and provides a new method and idea for building an independent revit model application platform.

The application relates to an intention perception path-based routing method and device, computer equipment, a computer readable storage medium and a computer program product. By adopting the method, user behavior data can be processed by a multi-dimensional intention recognition model, target user intention of the user can be quickly and accurately obtained, screening is performed in a computing power routing network, an intention perception path is generated, low-delay guidance of service routing is realized based on the intention perception path, direct perception of computing power demand and direct analysis of high-level demand of the user are realized, resource utilization, safety and performance of a computing power scheduling system are improved, and user demand can be responded to more quickly and accurately.

The invention discloses a method for rapidly evaluating conventional nutritional ingredients of whole corn silage based on NIRS. The method comprises the following steps: S1, collecting and processing a whole corn silage sample; S2, determining the conventional nutritional ingredients; S3, collecting a near infrared spectrogram; according to the method disclosed by the invention, the calibration model of mathematical correlation between the near-infrared spectrogram characteristics and the conventional nutritional ingredient content is constructed, so that the rapid evaluation of the conventional nutritional ingredients of the whole corn silage new sample is realized, the detection capability is efficient, the multi-component synchronous analysis is realized, and the detection flux is remarkably improved; on the basis of the high penetration characteristic and scattering effect of near-infrared light, various physical state samples can be directly analyzed without sample pretreatment; the operation cost is low, the robustness is good, no reagent participates in the whole process, and pollution to the environment is avoided.

The invention relates to a system that provides the calculation process as a result of a direct analysis by correlating the reaction kinetics with temperature, the isolated temperature control of electrochemical sensors suitable for use in field applications, which is used to perform a precise temperature control reaction in a closed environment.

The invention discloses an in-situ leaching uranium mining groundwater restoration reduction barrier test device and test method, and the device and method can perform simulation reduction on the water flow characteristics and the reduction process of groundwater under the condition of lower cost, and perform related experiments on the basis. A replaceable core pipe column module is innovatively added into the device, simulation sampling analysis can be conveniently carried out on an underground core area, and the problems that a polluted core solid sample is difficult to take in actual in-situ leaching uranium mining activity and an underground core solid sample cannot be directly analyzed in other underground water test devices are solved.

The invention provides a calibration system and a calibration method for a track insulation resistance on-line test device, and the system comprises the steps: installing a to-be-calibrated track insulation resistance on-line test device through an energy supply installation assembly, and obtaining a result measured by the calibrated track insulation resistance on-line test device through a central control test board assembly; according to a result measured by the calibrated track insulation resistance online testing device and a calibration resistance value provided by the resistance box assembly, an error value of the track insulation resistance online testing device can be directly analyzed and obtained in the central control test bench assembly. Therefore, an operator can adjust the on-line testing device for the track insulation resistance based on the error value so as to complete the calibration operation. According to the invention, a set of highly automatic and accurate calibration system is constructed, the system can set parameters, test execution and error analysis in the whole process, the manual error is significantly reduced, and the efficiency is improved.

The invention provides a method for predicting the productivity of a water-producing gas well of a water-driven gas reservoir, which enables a mine field to directly analyze and judge the influence of the activity of a formation water body on the productivity of the gas well. Based on a gas-water seepage theory and a material balance theory, parameters (water invasion constants) directly representing the active degree of a formation water body are introduced into a gas well productivity equation by utilizing gas well production dynamic data, a new productivity prediction model considering the influence of the high-speed non-darcy effect, the active degree of the water body and a skin coefficient on the productivity of the gas well is established, and the method belongs to an original innovative technology. According to the method, the productivity of the water-producing gas well of the water-driven gas reservoir under different water body active degrees can be quickly and conveniently determined by analyzing the model and utilizing gas well production dynamic data, so that gas field developers can timely adjust a gas well exploitation system according to the influence of different water body active degrees on the productivity of the gas well, and the production efficiency of the gas well is improved. And theoretical guidance and technical support are provided for formulating water control measures, delaying gas reservoir water invasion and improving the gas reservoir development effect.

The invention belongs to the technical field of optical measurement, and particularly discloses a sample piece pre-alignment method and system for angle resolution polarization scattering measurement. According to the invention, the method does not depend on a conventional focusing imaging method, but directly analyzes the diffraction image in the defocus state, specifically, when the sample piece is in the defocus state, the zero-order light is separated from the positive and negative first-order diffraction light, and the form and position of the diffraction light spot are easy to detect, thereby obtaining more accurate diffraction characteristic information. The method is characterized in that the traditional limitation of focusing imaging is broken through by analyzing the out-of-focus diffraction image, and the flexibility and precision of measurement are improved. The method can effectively improve the sample piece alignment precision in nanostructure angle resolution polarization scattering measurement. Under different experiment conditions, through automatic image analysis and azimuth angle calculation, the system can adjust the position of a sample piece in real time, manual errors can be effectively reduced, the experiment efficiency is improved, and the accuracy of angle resolution polarization scattering measurement is ensured.

The invention relates to the technical field of database data synchronization, and discloses an online DDL synchronization method and system based on temporary table interception and conversion. The method comprises the steps of capturing a source database DDL log in a data synchronization channel, and identifying temporary table creation, data writing and renaming switching operation sequences in online DDL operation. And extracting a DDL modification statement executed for the temporary table, persistently storing the DDL modification statement, and converting the DDL modification statement into a target DDL statement for the source table according to the table mapping relationship. A landmark event representing renaming switching completion in a log is monitored, and a target DDL statement is sent to a target database for execution only when the event is triggered. According to the method, accurate and reliable synchronization of online DDL changes can be realized, and the problems of data structure inconsistency and synchronization interruption caused by direct analysis of the intermediate state log are avoided.

The invention discloses a method and a device for detecting abrasion of a carbon slide plate, and relates to the field of image processing. Determining coordinates of each pixel point of the carbon contact strip in the image; determining the number of pixel points under each abscissa, and taking the number as the thickness of the carbon contact strip of the corresponding abscissa; taking a preset number of abscissas as a group, and determining the average value of the thickness of the carbon contact strip of each group of abscissas; and if the average value is lower than the preset thickness, determining that the carbon contact strip is abraded, and prompting. The image of the carbon contact strip is collected, the thickness of the carbon contact strip is determined through the coordinates of the pixel points of the image, and then whether the carbon contact strip is abraded or not is determined. And the problems of time and labor consumption, high error rate, low detection efficiency and the like can be solved through direct image analysis.

The utility model discloses a detachable telescopic soil sampler for a travelling crane frame, which comprises a linear driving mechanism fixedly connected at a first edge below a cross beam, a bracket fixedly connected at a second edge below the cross beam, angle iron fixedly connected at a telescopic end of the linear driving mechanism, a protective cylinder fixedly connected at one side of the bracket, and a telescopic rod fixedly connected at the other side of the protective cylinder, a hollow cylinder is slidably connected into the protective cylinder. According to the utility model, the soil fertility detector is combined with the sampler, so that the soil fertility condition can be monitored in real time while a soil sample is collected. According to the integrated design, the dependence on manual intervention is reduced, errors or delay possibly caused by manual operation in a traditional method are avoided, and the working efficiency and the accuracy of data acquisition are improved. The soil fertility data can be acquired in real time, so that the user can directly analyze the nutritional ingredients and the state of the soil in the sampling process.

The present application relates to the field of data analysis, and particularly relates to a method and device for analyzing buried point data, equipment and medium. The present application firstly collects front-end buried point data in full, integrates scattered data such as page stay duration, resource loading and API performance, breaks the data fragmentation barrier, can establish a complete operation causal link, and accurately traces the problem source. Secondly, based on real-time buried point data direct analysis, the batch processing mode is abandoned, the performance degradation trend can be captured in real time, and the timeliness deficiency pain point is solved. Then, the analysis process constructs a user operation path with a time stamp, associates resource loading failure with corresponding page elements, fills in the analysis dimension blank, and accurately locates the fault inducement. Finally, the version optimization forms a closed loop, fundamentally improves the accuracy and timeliness of client operation analysis, and guarantees the stable operation of the client.

The invention provides a coal mine water control data processing method and system, and relates to a data processing technology, and the method comprises the steps: controlling inspection equipment to carry out the image collection of a top wall and a side wall in a coal mine tunnel in real time, and obtaining a plurality of inspection images corresponding to all inspection point positions in the coal mine tunnel; the inspection image is directly analyzed, an analysis result is generated, the analysis result comprises a normal result, a direct abnormal result and a potential abnormal result, and when it is determined that the analysis result is the direct abnormal result, early warning information is generated; when determining that the analysis result is a potential abnormal result, performing water seepage analysis on the slot position image to obtain a water seepage result and a non-water seepage result, and generating early warning information based on the water seepage result; and constructing a coal mine tunnel space corresponding to the coal mine tunnel, updating the inspection image and the slot position image to the coal mine tunnel space based on the corresponding inspection point position to obtain a coal mine verification space, and sending the coal mine verification space and early warning information to a management end, thereby improving the accuracy of water seepage detection.

The invention relates to an analysis method of medium-long chain structure triglyceride. Specifically, the invention relates to a method for detecting the medium-long chain structure triglyceride component in medium-long chain structure oil and structure fat emulsion injection (C6-24), and the method specifically comprises the following steps: carrying out separation and quantification by adopting a high performance liquid chromatography-electrospray detector (LC-CAD), and carrying out qualitative analysis by adopting a high performance liquid chromatography-high resolution mass spectrometry (LC-HRMS) combined method. The method can be used for directly analyzing medium-long chain structure triglyceride with complex components, and has the advantages of simplicity in operation, high sensitivity, accurate determination result and the like.

The invention relates to a fault stress plugging coefficient plane characterization rapid implementation method and device, a medium and equipment. The method includes reading a regional stress direction angle and a fault polygon orientation data file. And calculating the fault stress plugging coefficient of each fault according to the regional stress direction angle and the fault polygonal orientation data file. And forming a plane graph by gridding the fault stress plugging coefficient of each fault. And reading the corresponding fault plane polygon, and externally tangent the plane graph by using the corresponding fault plane polygon to obtain a stress plugging coefficient plane graph reflecting the form of the fault plane. And respectively obtaining stress plugging coefficient plane graphs of different faults and combining the stress plugging coefficient plane graphs to obtain a stress plugging coefficient plane graph describing all the faults. According to the method, calculation is simple, only regional stress direction information needs to be provided, drilled well information does not need to be obtained, the fault plugging performance can be directly analyzed in a well-free and few-well area and an area with fast continental facies stratum phase change, and calculation efficiency is high.

The application discloses a kind of based on expert eye movement data's minimally invasive surgery error pre-judgment and skill evaluation network system and method thereof, the method includes the following steps, S1, data acquisition and pre-processing step: video frame pre-processing to image device, obtain the eye movement signal when surgery expert analyzes video, generate and correspond to each video frame eye movement heat map;S2, network training step: first pre-training generator, then using the generator and discriminator of training generator and discriminant by antagonistic scheme;S3, surgery error pre-judgment and skill evaluation step: using the network of trained analysis surgery video, the frequency of occurrence of surgical error is counted and the skill evaluation of doctor is given accordingly;The method in the application does not need to position surgical instrument, by learning the eye movement mode when expert watches auxiliary image device video, combine artificial intelligence method, directly analyze the video output of auxiliary image device, complete the pre-judgment of surgical error, and give the evaluation of doctor surgery skill.

This invention provides a sterilization detection device, a purification device, and a detection method. The device includes a data acquisition module and an analysis module. The data acquisition module acquires first and second state information at a first and a second data acquisition time during the detection of bacterial state changes, and records the interval between the first and second data acquisition times. The analysis module determines the sterilization intensity value of the purification device based on the first and second state information and the interval. This invention establishes a sterilization detection directly with the purification device, and by detecting the state changes of bacteria in the sterilization environment created by the purification device, it determines the sterilization intensity value of the purification device in real time. This allows for rapid and direct analysis of the sterilization effect of the purification device, providing a direct and intuitive display of the sterilization effect.

A method and system for enhanced financial data processing using large language models (LLMs) to transform PDF statements into structured accounting data. The invention preprocesses statements with line numbering, character position tagging, and data partitioning to overcome LLM context limitations. The system extracts transactions, reconciles them with statement balances, normalizes vendor information, and generates enhanced output files compatible with standard accounting platforms. This enhanced transaction data collapses reconciliation and categorization times in downstream accounting systems. The system creates a robust vendor-transaction database supporting direct analysis or simultaneous application of multiple accounting models.

The utility model provides a phenol liquid on-line chromatographic analysis system, the on-line chromatographic analysis system is connected with a phenol pipeline, the phenol pipeline is provided with at least one sample sampling point and at least one sample return point, the main body of the on-line chromatographic analysis system is a heat preservation box, and the heat preservation box is connected with the phenol pipeline. An anti-explosion heater, an on-line chromatographic analyzer and a sample pipeline are arranged in the heat preservation box, the sample sampling point is connected with the on-line chromatographic analyzer through the sample pipeline, the sample return point is connected with the sample sampling point through the sample pipeline, a coil heating belt is wound on the outer side of the sample pipeline, and the coil heating belt is connected with the sample return point through the sample pipeline. The coil pipe heating belt is heated by the anti-explosion heater, and the temperature of a pipeline in the box is kept at 60 DEG C by using the coil pipe heating structure and the anti-explosion heater, so that phenol obtained by sampling is always in a liquid state, and an on-line chromatographic analyzer can conveniently and directly analyze a sample.

The application discloses a direct detection method based on non-polar solvent and ionic liquid, comprising the following steps: (1) establishing a working curve by using an isotope internal standard method: I. preparing a series of samples containing an isotope internal standard; II. assembling an atmospheric pressure sound velocity spray ionization device; III. cutting a sample to be detected and placing the sample on a glass plate sample table, opening a gas source and a mass spectrometer, setting mass spectrometer parameters and detecting; IV. quantifying by using an isotope internal standard method; (2) detecting an actual sample by using the method of step III. The application applies non-polar solvent to surface direct analysis, introduces a double-cationic ionic liquid, and improves the conductivity and ionization efficiency of the liquid.