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83results about How to "Solve access difficulties" patented technology

Patient similarity metric transfer system among disease domains on the basis of transfer learning

ActiveCN106934235ASolve access difficultiesSolve the problem of not being able to effectively obtain patient measurement informationMedical data miningMedical automated diagnosisTransfer systemInformation gain
The invention discloses a patient similarity metric transfer system among disease domains on the basis of transfer learning, and belongs to the technical field of the artificial intelligence software of computers. By use of the system, four submodules including a data preprocessing submodule, a similarity metric evaluation submodule, a similarity metric learning submodule and a similarity metric transfer submodule are constructed to finish similarity metric in a disease domain and patient similarity transfer among disease domains. The method aims to overcome the problem that traditional metric learning can not effectively work under a situation that supervisory information is difficult in acquisition and a patient sample amount in a specific disease field is small. The system can provide service support for a current accurate medical scene.
Owner:INST OF SOFTWARE - CHINESE ACAD OF SCI

Modeling method of plane secondary envelope torus worm-drive worm gear hob tooth profile

The invention relates to a modeling method of a plane secondary envelope torus worm-drive worm gear hob tooth profile. The method comprises the following steps: 1) giving initial design parameters; 2) calculating sum which corresponds to an initiating terminal; 3) obtaining point coordinates on an A tooth face; 4) judging whether the point coordinates are located in the working range of a hob or not, if yes, turning to the step 5, and if not, turning to the step 8; 5) obtaining the point coordinates on the A tooth face; 6) obtaining a coordinate of a middle point; 7) modifying a value, turning to the step 3, and obtaining intersecting lines of a series of intersecting planes and a tooth face of a worm gear hob basic worm; 8) modifying a tail end, and obtaining coordinates of points under the tail end and a middle point; 9) obtaining coordinates of points on a B tooth face and a middle point, wherein the B tooth face is the same with the A tooth face in the tail end; 10) obtaining point coordinates on a tooth root circular arc face; 11) obtaining point coordinates on a main cutting edge; 12) building an axial tooth profile model of a worm gear hob; and 13) building a curved face model of the worm gear hob basic worm. The method is free of building of a solid model, easy to achieve, low in modeling cost, and high in modeling precision.
Owner:FUZHOU UNIV

Method for recognizing sound-groove based on affection compensation

InactiveCN101226742AImprove the immunityExtended Modeling InformationSpeech recognitionVoice changeSpeech sound
The invention relates to a sound-groove identification method based on emotion compensation. The emotion compensation includes three portions of emotion detection, character compensation and emotion expansion, comprising of calculating voice emotion factors to be according to the emotion detecting technique, compensating the voice change caused by emotion change respectively from the two layers of character and mode and finally improving robustness of the sound-groove identification technique to the emotion change. The invention has the advantages that the invention breaks through the inconsideration of sound-groove emotion change of the existing sound-groove identification technique, deals with the voice change caused by emotion change from the two layers of character and mode and strengthens resisting power to the voice emotion drift. The character layer standardizes the voice feature within the modeling ability of the training model by means of emotion degradation, normalization and barrier to reach the purpose of inhibiting the influence of the user emotion on the identification property. The mode layer obtains large scale emotion voices by employing the reverse way of synthesizing emotion voice by emotion changing rule, thereby greatly expanding the modeling information of the sound-groove model and resoling the difficulty of obtaining emotion data.
Owner:ZHEJIANG UNIV

Enhanced generative countermeasure network and target sample identification method

The invention relates to the technical field of computer application, in particular to an enhanced generated countermeasure network and a target sample identification method. At least one enhance generator and at least one enhanced discriminator are provide for in that enhanced generated countermeasure network of the present invention, the enhanced generator processes the obtained initial data togenerate data, the enhanced discriminator comprises a rolled base layer, a base capsule layer, a convolution capsule layer and a classification capsule layer, wherein the rolled base layer, the base capsule layer, the convolution capsule layer and the classification capsule layer are sequentially connected.
Owner:SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI

GNSS and WIFI integrated positioning method and system thereof

ActiveCN105072682AOvercome the problem of large positioning errors leading to failureOvercome precisionPosition fixationWireless commuication servicesTimestampUsability
The invention relates to a GNSS and WIFI integrated positioning method and a system thereof. According to the method, through combination of at least three beacon nodes located via GNSS location-based service or at least three reference nodes located via WIFI, the relative position information of the current node is calculated, and then the relative position information is uploaded to update the position information with a timestamp in a central server and is broadcasted so as to provide convenience for other nodes to search and use. Mobile equipment indirectly obtains self position information via an RSSI locating mode after receiving the surrounding node position broadcast messages so as to achieve integrated positioning. The integrated positioning mode solves the problem that the position of the WIFI hot spot itself is hard to obtain and has great effects in the aspect of improving positioning precision and strengthening practical usability.
Owner:SHANDONG UNIV

Emotion analysis method and device

The invention discloses an emotion analysis method and device, and relates to the technical field of processing of natural languages. By means of the emotion analysis method and device disclosed by the invention, the emotion analysis accuracy rate is increased. The technical scheme in the invention comprises the following steps of: extracting an emotional word sequence from a target text, wherein the emotional word sequence includes sequentially extracted emotional words and non-sememic words; generating an emotional word sequence vector corresponding to the emotional word sequence; according to a pre-set classification model, obtaining an emotional mark corresponding to the emotional word sequence vector of the target text, wherein the corresponding relationship between the emotional word sequence vector and the emotional mark is stored in the pre-set classification model; and taking the obtained emotional mark as an emotion analysis result of the target text. The emotion analysis method and device disclosed by the invention are mainly used for analyzing emotion of the target text.
Owner:NEUSOFT CORP

Method for diagnosing HVAC (heating, ventilation and air conditioning) system gradual failure based on deep learning

The invention discloses a method for recognizing and diagnosing a HVAC system gradual fault based on the deep learning. The method uses the operational data of the health system to train the principalcomponent analysis (PCA) and the cyclic neural network (RNN) model, uses the PCA model to recognize the system fault, and uses the RNN model to diagnose the system change process and the gradual fault, thereby judging the specific fault of the system. Since the RNN belongs to the deep neural network, and has the characteristic of history information storing, the model can well fit a highly nonlinear time-varying system similar to HVAC. The method has high precision for early gradual fault diagnosis, and can accurately predict parameters of a unsteady system; and the data acquisition difficulty is greatly reduced. The method has a good effect on the gradual fault diagnosis, and is a feasible and high-precision gradual fault recognizing and diagnosing method.
Owner:ZHEJIANG UNIV OF TECH

Left-atrial-appendage CT image segmentation method

The invention discloses a left-atrial-appendage CT image segmentation method, and relates to medical image processing. Firstly, left-atrial-appendage CT images are denoised, prior knowledge is utilized to construct missing boundary information of a left atrial appendage, and a region growing algorithm is used to obtain a single initial segmentation image to use the same as a single Atlas label graph; then information relationships of the single label graph and an adjacent left-atrial-appendage CT sequence are utilized for improved Atlas segmentation to obtain an initial segmentation sequence;contour information in the initial segmentation sequence is used as initial contours of a level set algorithm, and approximate Euclidean distance information of left-atrial-appendage CT sequence graphs is obtained to be used as feature input; and finally, a precise segmentation result sequence is obtained through a fast level set algorithm to achieve the purpose of left-atrial-appendage CT image segmentation.
Owner:XIAMEN UNIV

Film playing information feedback system and method for second-level film theater chain

The invention relates to a film playing information feedback system and method for a second-level film theater chain. The playing information feedback system comprises theater party servers, playing control devices and a film source server. The theater party servers are arranged at theater parties and comprise film playing information databases. The playing control devices are arranged at the theater parties, are connected with the theater party servers and transmit film playing information to the film playing information databases of the theater party servers when users operate the playing control devices to carry out video-on-demand on the films. The film playing information at least comprises playing device information, film title information, playing start time and playing end time. The film source server is in network connection with the theater party servers and receives the film playing information sent by the theater party servers. According to the method, the problem that issuers are difficult to obtain the film playing information is solved.
Owner:上海文广科技(集团)有限公司

Method for predicting inbound and outbound passenger flow of urban rail transit station

ActiveCN108694463AEffectively predict travel volumeImpact Effective AnalysisForecastingTraffic forecastBuilt environment
The invention discloses a method for predicting an inbound and outbound passenger flow of an urban rail transit station. The method comprises the steps of firstly, counting an average inbound and outbound passenger flow of an existing rail transit station on weekdays according to an automatic ticketing system; then, respectively obtaining built environmental elements within the range of 500 m at peripheries of the existing rail transit station and new rail transit station; establishing a regression model of the average inbound and outbound passenger flow data of the existing rail transit station on weekdays and the built environmental elements within the range of 500 m at the periphery of the existing rail transit station, and substituting the built environmental elements within the rangeof 500 m at the periphery of the new rail transit station into the regression model to obtain an average inbound and outbound passenger flow prediction value of the new rail transit station on weekdays. By use of the method for predicting the inbound and outbound passenger flow of the urban rail transit station, an influence of built environments at the periphery of the station on inbound and outbound passenger flows can be effectively analyzed, and further the passenger flow of the new rail transit station is predicted based on the influence.
Owner:SOUTHEAST UNIV

Method for disseminating application distribution, terminal and server

The present invention discloses a method of application distribution, a terminal and a server. The method comprises: a first terminal sends a distributing request to an application distribution server; when the distribution request meets a pre-set standard of the application distribution server, at least the one transmission code is received by sending the application distribution server; the transmission code is sent to a second terminal, so that the second terminal according to the transmission code completes the registration and operation tracking of the application program. The invention is applicable to obtaining an intelligent terminal and distributing the application program, but not limited to this.
Owner:HUAWEI TECH CO LTD

Method and system for automatically leading and gumming shoe uppers

The invention discloses a method for automatically leading and gumming shoe uppers in the technical field of shoemaking. The method specifically comprises the following steps of S1, drawing a route line on a sample shoe upper surface in advance, and obtaining point cloud data through an image acquiring device mounted on a manipulator; S2, performing splicing fusion treatment on the point cloud data, and separating route point cloud data in the route line; and S3, transforming position information and space normal vector information in the route point cloud data into a manipulator xyzrpy coordination group to lead the manipulator to perform gumming. Through the adoption of the gumming method disclosed by the invention, the gumming route can be accurately identified, repeated attempting andverifying are not needed, the operation is simple and high in efficiency, requirements for operators are low, and besides, the gumming route is high in accuracy and high in consonance.
Owner:ZHEJIANG CORNERSTONE INTELLIGENT TECH CO LTD

A pollution source abnormal data identification method based on a deep learning algorithm

The invention discloses a pollution source abnormal data identification method based on a deep learning algorithm. The method specifically comprises the following steps that S1, a system processing module controls a data acquisition module to acquire detection data of an external pollution source, and transmits the acquired data to a data classification module for classification, and relates to the technical field of data processing. The invention discloses a pollution source abnormal data identification method based on a deep learning algorithm. the feature learning algorithm can take the original data as the input; an unsupervised feature learning process is adopted in the learning process; the accuracy of abnormal identification of the pollution source data can be greatly enhanced; Compared with the prior art, the abnormal data identification time is shortened, rich information of the data is depicted through a deep learning model algorithm, the classification performance is improved, the purpose that no manual extraction exists in the whole feature learning and data abnormity process is achieved, and the problem that label abnormal data are difficult to obtain is well solved.
Owner:武汉邦拓信息科技有限公司

Design method of TDICMOS imaging unit

The invention discloses a design method of a TDICMOS imaging unit, relates to a design method of a TDICMOS imaging unit, solves the problems that the existing TDICMOS imaging unit is complex in designand poor in stability. A controller unit and a detector unit are included, the controller unit generates a control signal required by the detector unit and receives the digital image data output by the detector unit; the detector unit comprises a TDICMOS detector, an operational amplifier, an LDO, a driver with a Schmidt function and a level shifter with a Schmidt function. According to the invention, power supply of a pixel part with pull-fill current, transmission of a digital input control signal, a generation mode of a charge transfer driving signal, a placement mode of a via hole in a high-density region and processing of a multilayer grounding plane are designed respectively; the utilization area of the circuit board is increased to the maximum extent, the integrity of control driving signals and a power supply is improved, and meanwhile voltage breakdown, pseudo soldering and other risks are avoided.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI

Movable pressure collecting ball based on bluetooth data transmission

InactiveCN103926036ASolve access difficultiesDoes not affect the pressure change monitoring of the whole pipe sectionFluid pressure measurementEngineeringBluetooth
A movable pressure collecting ball based on bluetooth data transmission comprises a counterweight bin, an NFC label, bluetooth, an explosion-proof battery, a single chip microcomputer, a pressure sensor and an error correcting temperature sensor (selectable). The collecting ball can flow along with media in a pipeline and records the data values of time and pressure at set intervals, after the collecting ball is taken out from the tail end of the pipeline, the bluetooth is used for transmitting data to a computer, and the pressure values of the pipeline at different positions are acquired through calculation of the data such as the length of the pipeline and the time. The movable pressure collecting ball can effectively solve the problem that the whole line pressure data of most of pipe sections of existing pipelines which are deeply buried, erected overhead, arranged in water and the like are difficult to acquire, can achieve whole pipe section pressure variation detection under the premise that production is not influenced, and non-blind area whole line detection to most of the pipe sections of the existing pipelines can be achieved.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Flexible micro-nano electrode array implantable chip and production method thereof

InactiveCN110840431AReal-time and efficient detection technologyHigh activityDiagnostic recording/measuringSensorsNucleusElectro physiology
The invention provides a flexible micro-nano electrode array implantable chip and a production method thereof. The micro / nano electrode array implantable chip sequentially comprises a base layer, an electroconductive layer and an insulating layer from bottom to top. The base layer made of a flexible material is of a T-shaped structure with a pointed front end. The electroconductive layer formed onthe base layer is used for detecting dual-mode neural signals in a plurality of nucleus regions of the brain. The electroconductive layer comprises a dual-mode detection electrode array formed at thefront end of the base layer, and the dual-mode detection electrode array is used for detecting the dual-mode neural signals in the nucleus regions of the brain. The dual-mode detection electrode array comprises a plurality of electrophysiological detection sites and a plurality of electrochemically sensitive detection sites, which are arranged along the longitudinal direction of the front end anddistributed in a plurality of to-be-detected nucleus regions. The insulating layer is made of a flexible material. The flexible micro-nano electrode array implantable chip and the production method thereof have the advantages that an effective detection measure and an effective detection tool are provided for long-term detection of the neural signals, and the chip is of great significance in terms of reduction of inflammations in the brain, detection of multiple brain regions, lesion discovery based on functional positioning by two types of the neural signals, and the like.
Owner:INST OF ELECTRONICS CHINESE ACAD OF SCI

Robot behavior learning model based on utility differential network

InactiveCN102063640ASolve access difficultiesSolve the problem of difficult knowledge acquisitionBiological modelsOffline learningDecision networks
The invention relates to a robot behavior learning model based on a utility differential network, which comprises a utility fitting network unit, a differential signal calculating network unit, a confidence evaluating network unit, an action decision network unit, an action correcting network unit and an action executing unit. The model realizes the offline learning process and the online decision process. The utility fitting network unit calculates and obtains a utility fitting value of a state after action is executed; the differential signal calculating network unit is used for calculatinga differential signal; the confidence evaluating network unit outputs the confidence obtained by calculating to the action correcting network unit; the action decision network unit outputs an action selecting function; and the action correcting network unit corrects the action selecting function by utilizing confidence, calculates a probability value selected by each action and outputs the actionwith largest probability to the action executing unit for executing. The invention can more favorably ensure the completeness of a robot for obtaining environmental knowledge and more favorably ensure the timeliness and effectiveness of robot behavior decision.
Owner:BEIHANG UNIV

Underwater topographic data identification and service method and system based on deep learning

The invention relates to an underwater topographic data identification and service method and system based on deep learning, and the method intelligently extracts lake underwater topographic data by abuilt-in deep learning model to form an underwater topographic database, and provides data service for the outside; the constructed system can accurately retrieve the underwater topographic data of the corresponding area according to the lake name or coordinate place input by the user, and the user can download the detailed geographic data of the lake and the surrounding from the system. Meanwhile, the system supports a user to upload lake underwater topographic data which is not covered by the system on line, background personnel upload the lake underwater topographic data and indicate datacontributors after carrying out related auditing, the lake underwater topographic data are used by people, and a certain amount of rewards are given to data providers. According to the invention, theproblem that the current underwater topographic data is difficult to obtain is solved, the requirements of related scientific research institutions and individuals on the underwater topographic data can be greatly met, and the market prospect is wide.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN)

Acquisition method, apparatus and system of electric energy meter information

The invention discloses an acquisition method, apparatus and system of electric energy meter information. The method includes: scanning an identification code corresponding to an electric energy meter and reading a character string included by the identification code; sending the character string to a server so that the server searches the corresponding electric energy meter information according to the character string; receiving the electric energy meter information returned by the server; and displaying the electric energy meter information. By employing the method, operation personnel can rapidly check all the electric energy meter information of the electric energy meter during replacement and installation of the smart electric energy meter, the replacement and installation efficiency of the electric energy meter is effectively improved, the possibility of wrong wiring is reduced, and the technical problem of easy errors of artificial check of the electric energy meter information due to difficult acquisition of the electric energy meter information in the prior art is solved.
Owner:STATE GRID BEIJING ELECTRIC POWER +1

Face recognition method based on stacked convolution sparse denoising auto-encoder

ActiveCN110321777ASolve the difficulty in obtaining easily because of a large amount of labeled dataSolving difficult-to-train problemsInternal combustion piston enginesCharacter and pattern recognitionFeature extractionConvolution filter
The invention belongs to the field of face recognition, and particularly relates to a face recognition method based on a stacked convolution sparse denoising auto-encoder. The method comprises the following steps: alternately connecting a plurality of convolution sparse denoising auto-encoders with a plurality of pooling layers so as to construct a stack convolution sparse denoising auto-encoder model; removing the convolution form of the stack-type convolution sparse denoising encoder model, and training a stack-type sparse denoising auto-encoder model in a blocking mode; forming a convolution filter by using the trained parameters, and realizing a stacked convolution sparse denoising auto-encoder in a convolution form; performing face feature extraction by using a stack convolution sparse denoising auto-encoder, and classifying and recognizing faces by using a classifier. According to the invention, through the deep convolutional neural network which can be trained in an unsupervisedmanner, the face features having similar performance with the supervised deep convolutional neural network are extracted, and the training difficulty is effectively simplified.
Owner:CHONGQING UNIV OF TECH

Method for extracting and purifying cordycepin from cordyceps millitaris mycoderma

The invention provides a method for extracting and purifying cordycepin from cordyceps millitaris mycoderma. The method comprises the steps that the cordyceps millitaris mycoderma is taken as raw materials and smashed through a smashing machine, screened and put in a vacuum drying box to be dried for standby use; a mixed solution of methyl alcohol and water is added in the dried cordyceps millitaris mycoderma powder for steeping; steeped suspension is arranged in a backflow device, backflow is heated and filtered, and an extraction solution is obtained; the extraction solution is extracted through petroleum ether, and a petroleum ether layer is abandoned; the lower remaining solution is decompressed and concentrated to recycle a solvent, and extract of the extraction solution is obtained; after the extract is dissolved through the methyl alcohol, elution is carried out through a silicon gel chromatography column, chloroform and the methyl alcohol are in flowing phases, eluent is recycled, and TLC tracking detection is carried out; the obtained eluent with the cordycepin is decompressed and concentrated, and then is heated through proper methyl alcohol or ethyl alcohol to be dissolved, and low-temperature crystallization is carried out. The technology is easy and controllable, the extraction time is short, the consumption of the organic solvent is little, the organic solvent can be recycled, cost is low, and the obtained cordycepin is high in purity.
Owner:浙江中科宏寿医药科技有限公司

Mobile equipment guide system based on GPS, wifi and Bluetooth

The invention discloses a mobile device tour guide system based on GPS, wifi and Bluetooth. The problems that scenic spot introduction information is difficult to obtain and the information content issingle in the tour process of a user are solved. The equipment positioning is performed based on the basic functions of GPS, wifi, Bluetooth and the like of the mobile equipment, and the position information of the mobile equipment of the user is combined with a self-defined scenic spot map so as to acquire more accurate position information. The detailed introduction information of characters, pictures, voice, video and the like of each scenic spot is marked on the scenic spot map, and automatic explanation and recommended route navigation can be realized by means of the positioning and navigation functions. The problem that the scenic spot introduction information is difficult to acquire when the user travels can be solved, and the problems that a traditional tour guide system cannot position in real time and the scenic spot information content is single can also be solved. Therefore, the user experience of tourists in the tourism process can be improved.
Owner:尹永超

Electronic turnover system

InactiveCN106023476ARealize long-term readable and writable storageSave human effortComplete banking machinesATM softwaresWeb browserData memory
The present invention discloses an electronic turnover system. The electronic turnover system comprises an ATM control application device for controlling an ATM to accomplish daily transaction such as money depositing and withdrawing, query and transfer, saving transaction turnover data, being connected with a turnover log processing server, and implementing TCP / IP communication; a turnover log processing server for receiving the transaction turnover data sent by the ATM control application device, organizing and managing the transaction turnover data to form a transaction turnover log file, forwarding the log file to a data storage device for storage via an I / O subsystem, receiving a request sent by a web browser, and sending a call instruction to the data storage device via the I / O subsystem according to the request instruction; the I / O subsystem for receiving the log file and the call instruction which are sent by the turnover log processing server and forwarding the log file and the call instruction to the data storage device; and the data storage device for receiving the log file and the call instruction which are forwarded by the I / O subsystem, storing the log file, and responding to the call instruction. The electronic turnover system capable of taking the transaction turnover log of the ATM through the web browser is provided.
Owner:GUANGZHOU KINGTELLER ATM TECH

Method for accessing and managing massive Internet of Things devices

The invention belongs to the technical field of Internet of Things, discloses a mass Internet of Things equipment access and management method, and designs a unified equipment abstract model. The equipment abstract model is used for describing the capability characteristics of the equipment, and the abstract model is used for describing the capability of the equipment and the provided service; and the equipment model is described in the forms of JSON and XML, and the model is uploaded to a cloud system and an equipment end after the equipment model is developed. And the capability characteristics of the equipment are equipment model identification attributes: equipment type, manufacturer, model, protocol type, service supported by the equipment, attribute and control command. According to the method, the steps are simple and clear, the massive heterogeneous equipment is subjected to standardization processing by designing the equipment unified description model, and a very good effect can be achieved. Compared with the existing Internet of Things access technology, the mass Internet of Things equipment access and management method provided by the invention fundamentally solves the problems of difficulty in Internet of Things equipment access, high cost, poor safety and difficulty in interaction.
Owner:XIDIAN UNIV

Permeation coefficient tester for irregular sample under different hydraulic pressure conditions and test method

The invention discloses a permeation coefficient tester for an irregular sample under different hydraulic pressure conditions and a test method. The tester comprises a testbed, a sample fixing deviceand an electronic control system, wherein a water inlet pipe is connected with a filter device; an energy accumulator is arranged between a water outlet of an electric pump and a pipe of a water inletof a water storage container arranged in the middle of the testbed; a water collection container is arranged on the inner side of the testbed; the sample fixing device is of a double-layer structureformed by a round steel barrel on the outer side and a hollow rubber seal kit on the inner side; the electronic control system comprises solenoid valves, a flowmeter, electronic switches of the electric pump, the energy accumulator and the inflator pump as well as a control center, the solenoid valves are arranged on a water outlet pipe of the electric pump, an energy accumulator pipe, an inflatorpump pipe and a lower pipe of the water collection container, and the flowmeter is arranged in the water collection container. The tester can test the permeation coefficients of the irregular sampleunder the different hydraulic pressure conditions, the sample sealing performance is good, test precision is reliable, and automation degree is high.
Owner:SICHUAN UNIV

Endoglin nucleic acid aptamer based on CRISPR/Cas9 and application

InactiveCN109576274AAvoids differences in native conformationAccurate targetBiological testingDNA/RNA fragmentationAptamerEndoglin
The invention discloses Endoglin nucleic acid aptamer based on CRISPR / Cas9 and application, and belongs to the technical field of genetic engineering, immunology and oncology. The Endoglin nucleic acid aptamer is any one or more sequences in nucleotide sequences shown in SEQ ID NO: 1-4. The endoglin nucleic acid aptamer is screened by a whole-cell subtraction Cell-SELEX technology, the molecular weight is small, the endoglin nucleic acid aptamer is easy to synthetize and modify, can recognize Endoglin in a high-specificity mode and can be bonded with Endoglin in a high-affinity mode, does notconduct feature bonding with other cells, is free of immunogenicity, is stable and easy to modify, and is convenient to synthetize and store. An Endoglin detection kit and reagent paper prepared by the Endoglin nucleic acid aptamer have high detection sensitivity to Endoglin, and are prone to optimization. The Endoglin nucleic acid aptamer is applied to assessment of tumor diagnosis and tumor prognosis and monitoring, and tumor diagnosis.
Owner:GUANGXI MEDICAL UNIVERSITY

Manufacturing method of artificial rock core for simulating borehole drilling

The invention discloses a manufacturing method of an artificial rock core for simulating borehole drilling. The manufacturing method comprises the steps of: 1) manufacturing a borehole drilling paraffin blank; 2) manufacturing an artificial rock core blank containing mixed slurry and the borehole drilling paraffin blank prepared in the step 1), wherein the mixed slurry comprises quartz sand, cement, clay and water; and 3) heating the artificial rock core blank prepared in the step 2) to obtain the artificial rock core for simulating borehole drilling. The manufactured artificial rock core is similar to a natural rock core in the aspects of permeability, porosity and other physical properties, and simulates perforating measures in the oil production process; the artificial rock core manufactured by adopting the manufacturing method can be used for researching a damage transformation rule of oil production measures such as perforation fracturing on a stratum, and conducting related indoor simulation experiments; in addition, the whole manufacturing method is simple and safe, raw materials are economical and easy to obtain, and the problem that experimental analysis is limited due tothe fact that natural rock cores are difficult to obtain, unstable in rock physical property, large in complexity and anisotropy difference and the like is solved.
Owner:CHINA NAT OFFSHORE OIL CORP +1

Artifact-free data and artifact-containing data generation method and system and storage medium

The invention provides an artifact-free data and artifact-containing data generation method and system and a storage medium, and the method comprises the steps of carrying out the small sample expansion of real artifact-free data based on a generative adversarial network model, and obtaining massive artifact-free data; and generating artifact simulation data based on the artifact generation methodand the real artifact-free data, and then generating massive artifact data by using a generative adversarial network model based on the generated artifact simulation data and the real artifact data.According to the method, the problems that medical CT artifact-free and artifact-containing samples are difficult to obtain, the data size is small, the diversity is low, a large amount of private data is involved and the labeling cost is high are solved, and artifact-free and artifact-containing data generation is beneficial for deep learning to carry out artifact recognition.
Owner:东软教育科技集团有限公司

Multi-lane non-contact axle number automatic calculation method and system

The invention provides a multi-lane non-contact axle number automatic calculation method and system. The method comprises a laser sensor setting scanning step, a laser radar data acquisition step, a single vehicle data separation step and an axle number calculation step. Specifically, based on laser radar data, the height and transverse coordinates of a traveling vehicle at each rotation angle are calculated by using the principle of diffuse reflection of the surface of the traveling vehicle irradiated to a lane, and then a vehicle three-dimensional model is constructed; single vehicle data is extracted, automatic calculation of the number of vehicle axles on multiple lanes is achieved under the non-contact condition, and the accuracy of vehicle type classification is improved.
Owner:COSCO SHIPPING TECH CO LTD

Method for preparing cyanobacterial phytochrome fluorescent marker with orange-red fluorescence

The invention discloses a method for preparing a cyanobacterial phytochrome fluorescent marker with orange-red fluorescence. Fusion protein comprises a first GAF structural domain of cyanobacterial phytochrome protein alr5272 and streptavidin. A fusion protein sequence of the fluorescent marker is easily and stably expressed in microorganisms, and the defects that acquirement of high-purity natural phycobiliprotein and cyanobacterial phytochrome is difficult, the preparation cost is high, chemical modifiers are used and the polymerization form of natural phycobiliprotein is unstable are avoided. According to an expression method of the fluorescent marker, participation of phycobiliprotein lyase is not required, the number of transformed genes is reduced, and the stability and screening efficiency of bacterial strains are improved. At the same time, the yield of fusion proteins is greatly increased by optimizing a fermentation culture medium and fermentation conditions.
Owner:GUANGZHOU TEBSUN BIO TECH DEV
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