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64 results about "Field screening" patented technology
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Multi-variety Citrus Huanglongbing detection method and system based on hyperspectral imaging
InactiveCN120259789ACharacter and pattern recognitionColor/spectral properties measurementsCitrus volkamerianaBiological system
The invention provides a multi-variety citrus Huanglongbing detection method and system based on hyperspectral imaging. The method comprises the following steps: collecting hyperspectral image samples containing different varieties of healthy and diseased citrus leaves; dividing a region of interest of the hyperspectral image sample, and exporting spectral data of the region of interest; according to the root-mean-square error of the average spectrum curve of the healthy hyperspectral image sample and the diseased hyperspectral image sample, preliminarily screening in the spectrum data to determine the number N of wave band groups; performing secondary screening on the N wave bands to determine M core characteristic wave bands; constructing a discrimination model by using a convolutional neural network, and training the discrimination model by using waveband data of M core characteristic wavebands in the healthy hyperspectral image sample and the diseased hyperspectral image sample; the trained discrimination model is used for predicting the detection result of the Candidatus Liberobacter asiaticum. According to the method, rapid field screening compatible with multiple varieties is achieved, and a standardized technical scheme is provided for digital plant protection of different citrus producing areas.
Owner:CHINA JILIANG UNIV
Data analysis method and device, electronic equipment and storage medium
The invention relates to the technical field of artificial intelligence, and provides a data analysis method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining a demand text, and carrying out the retrieval to obtain candidate structured data related to the demand text; based on the demand text and the candidate structured data, chained reasoning tasks corresponding to the demand text are sequentially executed through a large language model, and the chained reasoning tasks comprise at least one of a field screening task, a code generation task and a data analysis task; and based on an output result of the tail-wheel reasoning task, determining a data analysis result for the demand text. According to the data analysis method and device, the electronic equipment and the storage medium provided by the invention, the efficiency and accuracy of data analysis are greatly improved.
Owner:IFLYTEK CO LTD
Monoclonal antibody pair for detecting cat immunodeficiency virus p24 protein and application thereof
ActiveCN120965872AImmunoglobulins against virusesFermentationDiseaseComplementarity determining region
The invention belongs to the technical field of biological detection, and particularly relates to a monoclonal antibody pair for detecting cat immunodeficiency virus p24 protein and application of the monoclonal antibody pair. The monoclonal antibody pair is a monoclonal antibody 1D8 and a monoclonal antibody 1H10 and can specifically recognize cat immunodeficiency virus p24 protein, and sequences of complementary determining regions of variable regions of a heavy chain and a light chain of the 1D8 and the 1H10 are clear and are respectively shown as SEQ ID NO.1-12. The antibody pair can effectively avoid cross reaction, and the accuracy and sensitivity of detection are remarkably improved; the colloidal gold test strip constructed on the basis of the antibody pair is simple, convenient and rapid to operate, is suitable for early antigen detection of FIV infection, solves the problem that natural infection and vaccine immunity cannot be distinguished in existing antibody detection, and provides a reliable technical means for FIV field screening and disease prevention and control.
Owner:BEIJING SUBENYUANHE BIOTECHNOLOGY CO LTD
Portable field screening device for environmental remediation microbial strains
PendingCN120924382ABioreactor/fermenter combinationsBiological substance pretreatmentsMicroorganismUltrafiltration
The invention discloses a portable field screening device for environmental remediation microbial strains, and relates to the field of environmental remediation. The invention relates to a portable field screening device for environmental remediation microbial strains, which comprises a tank body which is a high-strength and light-weight aluminum alloy tank, and further comprises a filter cartridge arranged in the tank body, a filter element arranged in the tank body, and a filter element arranged in the tank body, the driving motor is fixedly connected to the upper end of the tank body; the driving shaft is fixedly connected to the output end of the driving motor; solid-liquid separation of the soil turbid liquid is efficiently completed through a centrifugal and ultrafiltration graded filtration mode, compared with a traditional method, the device has the advantages of being high in portability, high in separation efficiency and good in effect, impurities can be accurately intercepted, microbial losses are reduced, microbial strains with specific functions are rapidly screened for an environment restoration site, a high-quality bacterium-containing liquid sample is provided, and the method is suitable for popularization and application. The efficiency and accuracy of screening of microbial strains in environment restoration work are improved, and efficient development of the environment restoration work is promoted.
Owner:INNER MONGOLIA ACADEMY OF SCIENCE & TECHNOLOGY
Temperature driving structure parameter identification method based on uncertainty sampling
The invention discloses a temperature-driven structure parameter identification method based on uncertainty sampling, relates to the technical field of structure health monitoring, and aims to overcome the defects of sensitive environmental interference, low calculation efficiency and insufficient uncertainty quantization in an existing structure parameter identification method. By establishing an initial finite element model, structure surface temperature change and temperature-induced static response data are synchronously collected; after data preprocessing and steady-state uniform temperature field screening, high-sensitivity structural parameters are screened based on parameter perturbation analysis; adopting a transition expansion Markov chain Monte Carlo algorithm to sample posterior distribution, and reducing the calculation complexity of a high-dimensional parameter space through an intermediate distribution transition mechanism; and finally outputting a parameter posteriori expectation and a covariance matrix. The method does not need manual excitation, remarkably improves long-term monitoring efficiency and damage identification reliability, and is suitable for state evaluation and safety diagnosis of civil engineering structures such as bridges and space steel structures.
Owner:TIANJIN UNIVERSITY OF SCIENCE & TECHNOLOGY ASSET MANAGEMENT CO LTD +1
Intelligent question setting system based on domain knowledge graph
The invention belongs to the technical field of intelligent question setting, particularly relates to an intelligent question setting system based on a domain knowledge graph, and provides the following scheme for solving the problem that the learning effect is reduced due to the fact that the difficulty of test questions is inconvenient to intelligently adjust according to the question answering condition of students and the generated test questions are inconvenient to evaluate in the prior art. The system comprises a data acquisition module; the knowledge graph construction module is connected with a domain screening module, the domain screening module is connected with a data cleaning module, the data cleaning module is connected with the data acquisition module, and the knowledge graph module is connected with a database module; the extraction module is connected with a question generation module, in the use process, the test question difficulty can be intelligently adjusted according to the question answering situation of students, the generated test questions can be evaluated conveniently, and therefore the learning effect can be effectively guaranteed.
Owner:HUNAN INST OF INFORMATION TECH
Cross-network data aggregation method and system based on holographic perception
The invention relates to the technical field of cross-network data management, in particular to a cross-network data aggregation method and system based on holographic perception, and the method comprises the steps: obtaining a network field path identifier, a grade and a time period, accumulating and sorting access frequencies, analyzing the frequency and grade combination distribution, extracting a field name, a network grade and a time label, and matching and comparing the frequency difference. And counting field hopping frequency, marking, and matching field paths and channel numbers to obtain cross-network fusion data sequence output. According to the method, through dynamic grouping, frequency analysis and fusion positioning of the data fields under the network level and the time dimension, the field distribution rule identification precision is improved, and the affiliation perception consistency is enhanced. And by utilizing residual error ratio screening and path sequence matching, the field screening precision and the transmission sequence structural property are improved, and synchronous enhancement of data fusion output efficiency, transmission stability and resource configuration coordination in a multi-network environment is realized.
Owner:SHANDONG YOUSHU NETWORK TECH CO LTD
Construction body capable of effectively identifying male sterile line of corn and application of construction body
The invention relates to the field of molecular crop breeding, in particular to a construction body capable of effectively identifying a male sterile line of corn and application of the construction body. The functional element expression cassettes are respectively a report system Ruby expression cassette, a male fertility restoring gene MS45 expression cassette, a corn tassel pollen lethal gene ZmAmylase expression cassette and a glufosinate-resistant herbicide gene PAT expression cassette. According to the progeny plant seeds with the specific constructs obtained by the invention, under the condition of not using other equipment, the purple maintainer line plants can be directly observed by naked eyes, and the progeny plant seeds have herbicide glufosinate-ammonium resistance, so that the screening mode is greatly simplified, and a large amount of labor cost is saved; meanwhile, herbicide resistance is generated, and an important effect is achieved on field screening or weed killing.
Owner:LONGPING BIOTECHNOLOGY (HAINAN) CO LTD
Nondestructive detection method and system for pesticide residues of field drinking chrysanthemum
PendingCN120727132AMolecular entity identificationScattering properties measurementsClothianidinPesticide residue
The invention discloses a nondestructive testing method and system for pesticide residues of field drinking chrysanthemum, and the method comprises the steps: obtaining hyperspectral reflectivity data of leaves of the drinking chrysanthemum in a key growth period after pesticide drip irrigation, and carrying out data preprocessing; a quantitative estimation model of the leaf hyperspectral reflectivity and the leaf clothianidin actually measured content is constructed through statistical modeling; determining a regression model equation of the clothianidin content in the leaves and inflorescence by using actually measured data, and calculating the inflorescence residue level according to a leaf detection result; a drinking chrysanthemum clothianidin residue early warning threshold value is set, the hyperspectral reflectivity of drinking chrysanthemum leaves is collected through hyperspectral equipment and input into the model, and drinking chrysanthemum clothianidin residue early warning is achieved; according to the method, early warning of pesticide residues is achieved before chrysanthemum harvesting, especially field rapid screening and quantitative analysis of novel pesticides such as clothianidin are achieved, the technical blank of an existing hyperspectral technology in pesticide residue detection and application of medicinal plants is filled up, and the chrysanthemum quality safety guarantee level is improved.
Owner:NANJING AGRICULTURAL UNIVERSITY
Field screening device for soil micro-fine particle samples
The invention discloses a soil micro-fine particle sample field screening device, and belongs to the technical field of soil sample analysis, the soil micro-fine particle sample field screening device comprises a screening box, the top surface of the screening box is provided with a feeding port, the feeding port is provided with a feeding mechanism, the screening box is internally provided with a multi-stage screening mechanism, the multi-stage screening mechanism is communicated with a plurality of collecting boxes, and the collecting boxes are located on the outer side of the screening box; the side, away from the collecting box, of the screening box is fixedly connected with a driving mechanism, the driving mechanism stretches into the screening box and is in transmission connection with the multi-stage screening mechanism, and a cleaning mechanism is arranged in the screening box. And a plurality of stages of screening mechanisms are arranged inside, and each stage of screening plate is communicated with an external collecting box, so that particles with different particle sizes can be respectively collected. The driving mechanism is located on one side of the screening box and connected with the screening plate through a mechanical transmission system, and power support is provided for the screening process. The feeding mechanism can accurately control the sample amount input every time, and the consistency and accuracy of screening results are ensured.
Owner:青海省第五地质勘查院
Urine prohibited substance detection method based on double-line spectrum and contrastive analysis clustering
PendingCN121656560AColor/spectral properties measurementsBiological testingFood safetySpectral analysis
The invention relates to the technical field of food safety detection and spectral analysis, in particular to a urine prohibited substance detection method based on double-line spectrum and contrastive analysis clustering, which comprises the following steps: respectively acquiring reflection spectrum signals of a T region and a C region of a detection card under different wavebands by using two spectrum sensors; respectively carrying out temperature compensation, denoising processing, smoothing processing and normalization processing on the reflection spectrum signals of the two regions; calculating a spectrum difference and a peak value ratio according to the reflection spectrum signals of the T region and the C region under different wavebands; judging whether the spectrum difference is smaller than a set threshold and the peak value ratio is smaller than the set threshold, and if not, outputting that the detected substance does not exceed the standard; otherwise, the detected substance exceeds the standard, and the concentration corresponding to the current spectrum difference is searched according to the concentration-spectrum difference mapping table. According to the invention, a detection result is automatically judged by a threshold difference analysis method, so that high-throughput, low-cost, rapid and objective field screening capability is realized.
Owner:CHONGQING UNIV OF POSTS & TELECOMM
Passiflora edulis virus detection primer group based on RT-RAA and CRISPR / Cas12a and application thereof
PendingCN120138222AMicrobiological testing/measurementMicroorganism based processesDiseasePassiflora serratifolia
The invention provides a passiflora edulis virus detection primer group based on RT-RAA and CRISPR / Cas12a and application of the passiflora edulis virus detection primer group. The primer group comprises an RT-RAA amplification primer pair and a CRISPR / Cas12a detection primer and is used for specifically detecting the passiflora edulis virus, and the invention further provides a kit containing the primers, LbCas12a protein and ssDNA reporter molecules. The detection method comprises three steps of sample grinding, RT-RAA amplification and CRISPR / Cas12a detection, and a result is judged by observing fluorescence. The field visual rapid detection method established by the invention has the characteristics of high specificity, high sensitivity, low cost and the like, and is suitable for large-scale screening of field passiflora edulis and other crops infected with the passiflora edulis virus and quarantine detection before seedling transportation. The method provides powerful technical support for healthy seedling detection and field screening of diseases.
Owner:GUANGXI ZHUANG AUTONOMOUS REGION ACAD OF AGRI SCI +1
SaaS-based multi-party system data pushing method and system, and storage medium
The invention provides a SaaS-based multi-party system data pushing method and system and a storage medium, and the method comprises the steps: obtaining a differentiated pushing rule pre-configured by a target tenant, the differentiated pushing rule comprising a field selection rule for a target interface, a data filtering rule and a data format conversion rule; obtaining original data to be sent to a target tenant, and performing field screening on the original data based on a field selection rule to obtain first intermediate data; performing content filtering on the first intermediate data based on a data filtering rule to obtain second intermediate data; performing format conversion on the second intermediate data based on a data format conversion rule to obtain to-be-transmitted data meeting the customized format requirement of the target tenant; and sending the to-be-transmitted data to a receiving system corresponding to the target tenant. According to the invention, multi-party system data pushing can be carried out safely and efficiently at low cost.
Owner:SHANGHAI ZHIYIN INFORMATION TECH CO LTD
Method for detecting tetrahydrocannabinol and hydride thereof by utilizing specificity of bridged beta-cyclodextrin and application of tetrahydrocannabinol and hydride thereof
PendingCN121409940AMaterial analysis by observing effect on chemical indicatorFluorescence/phosphorescenceHexamethylenediamineCyclodextrin
The invention relates to a method for specifically detecting tetrahydrocannabinol and hydride thereof by utilizing bridged beta-cyclodextrin, and belongs to the technical field of analysis and detection of supramolecular materials. The method comprises the following steps: firstly, combining 1, 6-hexamethylenediamine bridged bis-beta-cyclodextrin with an indicator to form a supramolecular probe; in a buffer system with a pH value of 9-11, tetrahydrocannabinol or a hydride thereof specifically competes to be combined with a cavity and displaces an indicator by utilizing a synergistic inclusion effect of a bridging subject and dissociation difference of guest molecules, so that the system is subjected to fluorescence quenching or color change, and a structural analogue cannabidiol does not generate obvious interference. The method solves the problems that the sensitivity is low and cannabidiol cannot be effectively distinguished in the prior art through cooperation of specific main body construction and environment regulation, has the advantages of being rapid in detection, high in specificity, high in accuracy and the like, and is suitable for environment monitoring and field screening.
Owner:IND CROPS RES INST YUNNAN ACAD OF AGRI SCI
Saline-alkaline tolerant rice mutation breeding identification and evaluation system based on heavy ion beam radiation
The invention discloses a saline-alkaline tolerant rice mutation breeding identification and evaluation system based on heavy ion beam radiation, and relates to the technical field of intelligent agriculture, and the system comprises a phenotype dynamic sensing module which is used for carrying out real-time monitoring and abnormity identification on the growth state of rice under saline-alkaline stress so as to identify and output an early abnormal phenotype signal, and determining the abnormal phenotype of plant growth. According to the method, multi-dimensional phenotype data of rice under different saline-alkaline gradients are collected in real time through a multi-source sensor network, the problem of inconsistent growth periods caused by environmental differences is solved by utilizing a dynamic time warping algorithm, a basic identification data set with aligned time sequences is constructed, abnormal phenotype identification is further performed by adopting a local abnormal factor algorithm, and the identification accuracy is improved. Early deterioration early warning of the plant growth state under saline-alkali stress is achieved, the problems of high misjudgment rate and low efficiency in traditional field screening are effectively solved, and reliable data support is provided for early identification of saline-alkali tolerant rice varieties.
Owner:NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
Dpo rt-pcr primer set, detection method, kit for detecting five citrus viruses and application thereof
ActiveCN114790496BMicrobiological testing/measurementMicroorganism based processesDiseaseCitrus plant
The application discloses a DPO RT-PCR primer group for synchronously detecting five citrus viruses, a detection method, a kit and application of the DPO RT-PCR primer group, and sequences of the primer group are shown as SEQ ID NO. 1-SEQ ID NO. 10. The application designs specific DPO RT-PCR primers for citrus tristeza virus, citrus tatter leaf virus, citrus yellow vein clearing virus and citrus leaf mottle virus, and the detection primers can effectively remove primer dimer interference, and the five viruses can be detected from samples at the same time. The detection method is simple and efficient, and only needs to use a common PCR instrument and an electrophoresis instrument to detect, and has the characteristics of rapidness, economy, high accuracy and high sensitivity, and can be used for large-scale screening of field citrus plants and epidemic prevention detection before seedling transportation, and provides technical support for healthy seedling detection and field screening of diseases.
Owner:GUANGXI ZHUANG AUTONOMOUS REGION ACAD OF AGRI SCI
Configurable list field screening method and device based on antd and storage medium
PendingCN119271190AReduce the amount of writingImprove maintainabilityVersion controlIntelligent editorsProgramming languageMaintainability
The invention relates to an antd-based configurable list field screening method and device and a storage medium, and is applied to the technical field of software development, and the method comprises the following steps: introducing an Ant Design framework, and applying Table in the Ant Design framework to configure a corresponding list item Columns; the method comprises the following steps of: expanding list items (columns); a getColumnsFiltersProps function is created, the getColumnsFiltersProps function is used for configuring the expanded list item columns, and a list field needing to be displayed is defined; by providing the configurable list field screening panel, the code writing amount can be greatly reduced, the development efficiency can be improved, meanwhile, the maintainability and the expansibility of codes are also improved, developers can flexibly customize the field screening function of the list in a file configuration mode, and the requirements in different scenes are met.
Owner:SHENZHEN RENDERBUS TECH
High-sensitivity wide-spectrum specific antibody against parathion, parathion-methyl and fenitrothion and recombinant expression plasmid thereof
The invention discloses a high-sensitivity wide-spectrum specific antibody for resisting parathion, parathion-methyl and fenitrothion, the high-sensitivity wide-spectrum specific antibody comprises a heavy chain constant region, a heavy chain variable region, a light chain constant region and a light chain variable region, and the amino acid sequence of the heavy chain variable region is as shown in SEQ ID NO: 2; the amino acid sequence of the light chain variable region coding gene is shown as SEQ ID NO: 4. The invention also provides an antibody expression plasmid. The obtained variable region sequence gene is respectively connected to an expression vector containing a heavy chain constant region gene and a light chain constant region gene, and a new recombinant full-length antibody is successfully obtained through an HEK293 (F) mammalian cell expression system. Based on the characteristics of stability and easy preservation of recombinant expression plasmids, the recombinant expression plasmids can be used for multi-batch repeated production of prohibited and limited organophosphorus pesticide recombinant antibodies for resisting parathion and the like; a stable and reliable core reaction reagent is provided for construction of an immunoassay method for multiple residues of organophosphorus pesticides such as parathion in a development environment and a food sample and development of a field screening product.
Owner:ZHEJIANG UNIV
Detection method and kit for identifying DNA (Deoxyribose Nucleic Acid) of Changlin bark beetles
PendingCN120989222AMicrobiological testing/measurementDNA/RNA fragmentationLonghorn beetleQuarantine
The invention relates to the technical field of molecular biological detection, in particular to a method for detecting DNA (Deoxyribose Nucleic Acid) of Changlin bark beetles in a sample, which can realize visual rapid detection of Changlin bark beetles based on an RPA-CRISPR / Cas12a system. The invention provides a primer combination and a specific crRNA sequence for detecting DNA (Deoxyribose Nucleic Acid) of Changlin bark beetles. The detection method disclosed by the invention is simple and convenient to operate, short in reaction time, high in sensitivity and specificity, and suitable for port quarantine, forestry monitoring and field screening, the detection result can be directly interpreted, the detection can be carried out without a heating instrument, and the limitation that traditional detection depends on laboratories and professional operation is broken through; an efficient and convenient detection means is provided, and powerful technical support is provided for early warning and precise prevention and control of the beetles.
Owner:BEIJING FORESTRY UNIVERSITY
Enterprise carbon information disclosure standard adaptation method and system
The invention provides an enterprise carbon information disclosure standard adaptation method and system, and the method comprises the steps: carrying out the structural analysis and semantic extraction of a carbon information disclosure standard list, obtaining a clause standard semantic set, constructing a clause knowledge graph corresponding to the clause standard semantic set, carrying out the entity analysis and feature extraction of enterprise carbon monitoring data, and obtaining a clause knowledge graph corresponding to the clause standard semantic set; a carbon monitoring feature set is obtained, the carbon monitoring feature set is mapped to a clause knowledge graph based on a double-tower alignment algorithm, an enterprise carbon information graph is obtained, missing field prediction and context complementation are carried out on the enterprise carbon information graph, and a complemented carbon information graph is obtained; performing time sequence prediction on the complemented carbon information atlas based on a conditional diffusion model, and performing soft and hard constraint optimization on the complemented carbon information atlas after time sequence conditional diffusion based on a real-time disclosure standard to obtain an optimized carbon information atlas; and performing standard field screening and carbon information disclosure on the optimized carbon information atlas according to a real-time disclosure standard to obtain enterprise disclosure carbon information.
Owner:STATE GRID ZHEJIANG ELECTRIC POWER CO LTD
Primer and probe composition for detecting chrysanthemum B virus, kit and detection method and application thereof
PendingCN120591464AMicrobiological testing/measurementMicroorganism based processesDiagnosis laboratoryMosaic virus
The invention discloses a primer and probe composition and a kit for detecting a chrysanthemum B virus, and a detection method and application of the primer and probe composition, the kit, the detection method and the application of the primer and probe composition, the rapid detection of the chrysanthemum B virus is completed within 5 minutes through the combination of recombinase polymerase amplification (RPA) and lateral flow test strip (LFD) technologies and the combination of isothermal amplification and visual detection advantages, and the sensitivity is 1000 times of that of a conventional RT-PCR method. And the method does not depend on complex instruments and equipment and is suitable for field and basic laboratory operation. The primer and the probe are designed for a conserved domain of a chrysanthemum B virus genome, do not have cross reaction with common chrysanthemum viruses such as chrysanthemum dwarf viroid CSVd, chrysanthemum chlorotic mottle viroid CChMVd, tobacco mosaic virus TMV and the like and host plants, and are high in specificity. A detection result is directly interpreted through color development of the test strip, and the stability is high. The method is highly effective in chrysanthemum seedling detoxification identification, early warning of diseases and large-scale field screening, and provides technical support for accurate prevention and control of chrysanthemum virus diseases and healthy seed industry development.
Owner:NANJING AGRICULTURAL UNIVERSITY
Haploid molecular marker related to cotton fiber strength and application of detection primer of haplotype molecular marker
ActiveCN121951126AReduce screening costsImprove stabilityMicrobiological testing/measurementPlant genotype modificationBiotechnologyChromosome regions
The invention discloses a haplotype molecular marker related to cotton fiber strength and application of a detection primer of the haplotype molecular marker, and relates to the technical field of plant molecular biology and genetic breeding. The haplotype molecular marker is located in 112, 985, 431-112, 990 and 059bp regions of A06 chromosome of a cotton reference genome, a haplotype block is formed by nine closely linked SNP (Single Nucleotide Polymorphism) sites, the incidence relation between three haplotypes Hap1, Hap2 and Hap3 in the block and fiber strength is defined, and a new molecular target is provided for cotton fiber quality breeding. Compared with a single SNP marker, the haplotype molecular marker provided by the invention has higher stability and phenotype prediction accuracy under a complex genetic background. Genetic typing can be carried out in the cotton seedling stage based on the marker, fiber maturation does not need to be waited, the breeding period is greatly shortened, and the field screening cost is reduced.
Owner:COTTON RES INST HEBEI ACAD OF AGRI & FOREST SCI
Log analysis method and device, electronic equipment and storage medium
The invention provides a log analysis method and device, electronic equipment and a storage medium. The method comprises the steps that at least one target analysis method for analyzing a target to-be-analyzed log is determined; aiming at each target analysis method, calling the target analysis method through an extensible interface, and loading field screening parameters required by the target analysis method according to the target log to be analyzed; filtering the target to-be-analyzed log by using the target analysis method loaded with the field screening parameters, and determining a target log segment needing to be analyzed by the target analysis method; analyzing the corresponding target log segment by using the target analysis method, and determining a field analysis result of the target log segment; and synthesizing all the field analysis results, determining a comprehensive analysis result of the target to-be-analyzed log, and outputting an analysis report of the target to-be-analyzed log in combination with a preset template. Therefore, the log analysis efficiency and the cross-platform processing capability can be effectively improved through the scheme.
Owner:FULSCIENCE AUTOMOTIVE ELECTRONICS CO LTD
Human resource data security sharing method and system
The invention discloses a human resource data security sharing method and system, and particularly relates to the field of human resource data security, and the method comprises the steps: collecting a behavior signal sequence of a user on an identity authentication platform of human resources, the behavior signal sequence comprising a page access path, an interactive operation type, time rhythm distribution and an equipment switching event; segmenting the behavior signal sequence into continuous time sequence operation fragment groups according to a unified time sliding window mechanism; and performing feature coding processing on each time sequence operation fragment group, extracting operation frequency, rhythm change, equipment fingerprint and interface jump features, and constructing a corresponding behavior embedding vector block. By constructing a redundant field screening mechanism based on track credibility and behavior stability dynamic evolution, the mode that a traditional platform only relies on field format legality verification is broken, an attacker is effectively prevented from constructing a pseudo-legal identity to be mixed into a sharing system, and the problems of system misjudgment and real identity misrecognition caused by reverse utilization of a redundant mechanism are solved.
Owner:刘聪
Rapid immunochromatography detection kit for gastrointestinal pathogenic bacteria based on viral nano-enzyme probe
The invention belongs to the technical field of biological detection, and discloses a rapid immunochromatography detection kit for gastrointestinal pathogenic bacteria based on a viral nano-enzyme probe. The invention discloses a nano-enzyme probe, the virus-shaped nano-enzyme probe provided by the invention takes Fe3O4 nano-particles as a core, Pt nano-particles and Au (at) Pt nano-particles are coated in sequence, a specific antibody is modified, and the nano-enzyme probe has a magnetic enrichment effect and a multi-catalytic-site characteristic at the same time; rapid capture and high-sensitivity quantitative detection of various gastrointestinal pathogenic bacteria in complex matrixes (river water samples, lake water samples and excrement samples) can be realized, and matrix interference in practical application is eliminated; and the kit has huge potential in the aspects of high-sensitivity field screening and clinical monitoring of infection of gastrointestinal bacteria (such as escherichia coli, salmonella and helicobacter pylori).
Owner:GUANGDONG GENERAL HOSPITAL
Field screening equipment for geochemical exploration samples
ActiveCN222152784Uimprove acquisitionquality improvementSievingScreeningElectric machineryWorking environment
The field screening equipment comprises a shell, a motor is fixedly connected to the outer wall of one side of the shell, the output end of the motor is fixedly connected with a connecting shaft, a fixing plate is fixedly connected to the connecting shaft, a first net cylinder is fixedly connected to the fixing plate, and a second net cylinder is connected to the first net cylinder in a sleeved mode; according to the chemical exploration sample screening device, the double-layer roller rolling screening design is adopted, clay attached to chemical exploration samples is broken into small particles in the collision process, the small particles can be screened out, the sample obtaining amount is increased accordingly, a closed screening environment is provided through the shell, dust generated in the screening process is prevented from polluting the working environment, and the working efficiency is improved. Dust generated in the screening process is fed into a dust filtering box through air blowing of an air blower in cooperation with a spiral cleaning strip, centralized treatment of the dust is achieved, meanwhile, dust particles attached to the surface of a sample can be removed through air blowing cleaning, and therefore the sample quality is improved. Compared with the prior art, the automatic screening device has high automation, the screening efficiency can be improved, and manpower is saved.
Owner:四川省第三地质大队
Platform trajectory data processing method and device, equipment and storage medium
The present application relates to the technical field of intelligent logistics, and particularly relates to a platform trajectory data processing method, device and equipment and a storage medium, wherein the method first acquires a logistics trajectory data set and a preset field screening rule, performs text extraction processing on the logistics trajectory data set to obtain a plurality of business scenario description texts, then calls a pre-trained feature selection model to perform field screening processing on each business scenario description text based on the field screening rule to obtain a target field set, calls a pre-trained semantic model to perform semantic coding and template matching processing on the target field set to obtain a template field mapping table, then performs similarity calculation and screening processing based on the template field mapping table to obtain a target template set, and finally performs copywriting generation processing on the target template set to obtain a target copywriting set, and determines an initial online copywriting based on the target copywriting set, aiming to improve the efficiency of e-commerce logistics trajectory data processing.
Owner:SHANGHAI DONGPU INFORMATION TECH CO LTD
A method and device for controlling spatial data with a custom range
The present invention discloses a method and device for controlling spatial data within a user-defined range, establishing a first association relationship between permission level information and permission range coordinates, establishing a second association relationship between users and permission level information, and obtaining a request format of the request when a target user requests a spatial data map service; determining a request type based on the request format, assigning a target permission processor based on the request type, and obtaining target spatial data within the permission range corresponding to the request based on the target permission processor and the second association relationship. The above process realizes the control of spatial data by establishing an association relationship between permission level information and users and permission range coordinates, no longer using a token mechanism and field screening to control permissions, and no longer requiring segmentation of slice services and image data, thereby avoiding the inconvenience of client maintenance and token update, data fragmentation, and redundancy, and reducing the cost of data production, update, and maintenance.
Owner:SHANGHAI SHUHUI SYST TECH CO LTD
Biological pesticide for preventing and treating aphanomyces cochlioides root rot and application thereof
The application discloses a kind of biological source pesticides for preventing and treating aigan's root rot, it includes one or more than two combinations of berberine, ningnanmycin, Sophora flavescens extract, zhongshengmycin, allicin, polyoxin, matrine, osthol, lentinan.The application takes aigan's root and rhizome infected with root rot as research object, obtains a strain of pathogenic bacteria from disease-healthy boundary by separation, purification and pathogenicity determination, and is identified as bean shell ball spores by morphological observation, rDNA-ITS sequence analysis Macrophomina phaseolina Comprehensive indoor and field screening results, the most effective pesticide screened includes 3% zhongshengmycin, 0.5% berberine, 3.5% Sophora flavescens extract and 8% ningnanmycin, and all does not show plant adverse effect and phytotoxicity to aigan growth.Especially, it can significantly reduce malondialdehyde level, while increasing the activity of superoxide dismutase, catalase and peroxidase, so as to improve the disease resistance of aigan.
Owner:NANJING UNIV OF TRADITIONAL CHINESE MEDICINE
On-site screening device for bulk materials in dumping site
Owner:KUNMING ENG & RES INST OF NONFERROUS METALLURGY