5672results about How to "Function increase" patented technology

The invention discloses a medical visual question-answering method and system based on multi-task modeling, and the method comprises the steps: carrying out the feature extraction of a to-be-analyzed medical image through a visual encoder, obtaining an image feature, inputting a preliminary question instruction and historical question-answering data into a dialogue large model to generate a question instruction, and obtaining a text feature through a text encoder; carrying out feature fusion on the obtained text features and image features, and carrying out self-attention image importance weighting processing and image-text alignment to obtain image-text fusion representation; and inputting a multi-target output projection layer, carrying out multi-task prediction, outputting question answers, image categories and important region masks, inputting the question answers and the image categories into a dialogue large model, and finally generating diagnosis opinions with detailed description in combination with dialogue context and multi-round interaction data and in combination with the important region masks. According to the invention, the interaction experience and the performance of the question and answer system are improved, and more accurate medical diagnosis in multi-modal complex information is facilitated.

The invention relates to the technical field of artificial intelligence, and discloses an AI large model enterprise knowledge base system based on cue words, comprising a front end interaction module; a large model module; a knowledge base module; a vector database module; a fine tuning module; a function calling module; and a monitoring and optimizing module. According to the AI large model enterprise knowledge base system based on the cue words, knowledge documents in an enterprise are stored and managed in a centralized mode, efficient knowledge retrieval and matching are conducted through the vector database module, the knowledge base module can be customized according to enterprise requirements, document storage of various formats is supported, a convenient document management function is provided, and the knowledge management efficiency is improved. And the fine tuning module integrates enterprise knowledge into the large model, so that the large model can understand and process special knowledge and implicit knowledge in the enterprise, thereby improving the specificity and knowledge application capability of the system, effectively integrating and managing the enterprise knowledge, converting the enterprise knowledge into operable information, and providing powerful support for decision and operation of the enterprise.

The invention discloses a multi-modal dynamic structure-function multilayer brain network calculation method and terminal, and the method comprises the steps: obtaining a multi-modal brain image, and carrying out the preprocessing of the multi-modal brain image, and obtaining a target multi-modal brain image; constructing a dynamic functional brain network, a structural brain network and a grey matter morphological similar brain network according to the target multi-modal brain image; and calculating according to the dynamic functional brain network, the structural brain network and the grey matter morphological similar brain network through a network topology similarity principle to obtain structural-functional coupling. According to the method, after MRI data is preprocessed, a morphological brain network is obtained through sMRI, a functional connection brain network is obtained through fMRI, a structural connection brain network is obtained through DTI, a multi-layer brain network coupling index is calculated, while structural and functional connection is considered, morphological information is also considered, then exploration of the model on the brain structure and function is improved, and the method has the advantages of being high in practicability and the like. And more comprehensive and accurate brain structure and function information can be provided.

The invention relates to the technical field of clothing data processing, in particular to a digital design method of three-dimensional prototype clothing. The method comprises the following steps: obtaining human body three-dimensional scanning data and carrying out feature point labeling, reconstructing a three-dimensional human body model as basic data of costume design, carrying out contour looseness calculation on the human body model, generating a looseness data set, carrying out sample plate plane analysis to obtain a plane sample plate data set, and after collecting costume fabric data, carrying out data processing on the plane sample plate data set. The method comprises the following steps: performing physical characteristic mapping on a human body model and a planar template, reconstructing a three-dimensional garment model conforming to fabric characteristics, performing spatial positioning on the template, performing virtual sewing simulation, generating a shape data set of the garment, performing dynamic motion analysis on the shape data of the garment according to the human body three-dimensional model, and evaluating the comfort level of the garment. The garment form is locally adjusted to reconstruct a planar template. According to the invention, a more comprehensive and more reliable digital design method of the three-dimensional prototype clothing is realized.

The invention belongs to the technical field of condensation prevention of power equipment, and discloses an intelligent induction type condensation prevention system and method for the power equipment, and the system comprises a multivariate data collection unit, an intelligent control unit and an execution unit, and achieves the comprehensive real-time monitoring of the internal and external environments of the equipment through the integration of the multivariate data collection unit; the intelligent control unit can accurately predict the condensation risk based on real-time and historical data by using a pre-trained machine learning model, and dynamically adjust the condensation prevention strategy according to the condensation risk, thereby ensuring that condensation can be effectively prevented under various complex environmental conditions; the accurate execution of the execution unit further guarantees the condensation prevention effect, the operation stability and safety of the power equipment are integrally improved, the equipment fault risk caused by condensation is reduced, the service life of the equipment is prolonged, and the unnecessary maintenance cost is reduced; the system has self-learning and self-adaptive capabilities, can continuously optimize a control strategy to adapt to different environmental conditions, and ensures an optimal anti-condensation effect.

The invention relates to the technical field of radar detection, in particular to an intelligent collision detection method and system, and the method comprises the following steps: setting an initial emission angle of a radar, monitoring a reflection signal during the movement of an object, recording the return time, calculating a reflection distance according to the light velocity and the time, adjusting the emission angle, optimizing the coverage range, and obtaining angle correction data. According to the method, the position of the object can be more accurately determined by recording the return time of the reflection signal in real time and calculating the reflection distance by using the light velocity and the time difference, and potential collision risks can be more accurately predicted and identified by iteratively optimizing the scanning path, enhancing the adaptability to the dynamic environment and updating the target trajectory information. Intelligent judgment of risk levels and adjustment of emergency response measures are carried out, the response efficiency and accuracy of an early warning system are improved, the function of a collision detection system is enhanced, traffic safety is remarkably improved, and potential accident risks are reduced.

The invention discloses an energy-saving illumination control system and method for an urban illumination LED lamp group, and relates to the technical field of illumination control, and the system comprises an ambient light detection module, a traffic flow monitoring module, a time period division module, a weather information acquisition module, a weather information control module, an LED lamp group driving module, a wireless communication module, a high-precision photosensitive sensor for the ambient light detection module, a filtering and temperature compensation module, and an intensity measurement accurate data transmission module. The traffic flow monitoring module depends on geomagnetism or camera shooting, is high in precision and strong in recognition, and facilitates regulation and control through data; the time period division module accurately times and corrects time according to a clock chip, and sets illumination measures according to the time; the weather information acquisition module is networked to acquire meteorological data, and lamps are adjusted according to day conditions; and the control module multi-core microprocessor calculates illumination levels and brightness according to multi-source data to control lamp groups. According to multi-factor intelligent lamp control, energy saving is remarkable, lighting quality is good, comfort and safety are improved, remote monitoring and management can be achieved, troubleshooting is accurate and efficient, maintenance is convenient and fast, intelligent and green development of urban lighting is promoted, and the intelligent city construction requirement is met.

The invention discloses a low-smoke halogen-free cross-linked polyethylene insulated power cable, and relates to the technical field of power cables, the low-smoke halogen-free cross-linked polyethylene insulated power cable comprises a central conductor, the outer side of the central conductor is tightly coated with a rubber insulation sleeve, and the outer sides of a plurality of rubber insulation sleeves are jointly coated with a limiting silicon rubber sleeve; the outer side of the limiting silicon rubber sleeve is evenly coated with axial supporting inner rings at equal intervals, the outer rings of the axial supporting inner rings are tightly coated with axial protection outer rings, the outer sides of the axial protection outer rings and the filling soft rubber sleeve are jointly coated with an isolation protection rubber sleeve, and the outer ring of the isolation protection rubber sleeve is tightly coated with an installation outer rubber sleeve. According to the cable, the situation that rain and snow are attached to the outer side of the cable, and consequently the overall weight of the cable is increased is effectively prevented, the transverse traction force of the connecting position of the ends of the cable during working is reduced, the fatigue aging rate of the connecting position of the cable is reduced, and the actual service life of the cable is prolonged.

The invention relates to oral liquid for tonifying kidney and bone and a preparation method thereof, and belongs to the technical field of medicine, the oral liquid contains rhizoma drynariae, polygonum multiflorum, poria cocos, teasel root, radix paeoniae alba, angelica sinensis, codonopsis pilosula, prepared rehmannia root, polygonatum kingianum, fructus lycii, native copper and pericarpium citri reticulatae; the rhizoma drynariae is a product obtained by performing enzymolysis on a whole rhizoma drynariae plant through hemicellulase and pectinase, performing enzymolysis through bromelain and papain and performing enzymolysis through nattokinase; polygonum multiflorum is a product obtained by carrying out enzymolysis on Polygonum multiflorum tuberous roots through hemicellulase and pectinase, then carrying out enzymolysis through bromelain and papain and then carrying out enzymolysis through gelatinase. Polygonatum sibiricum is a product obtained by performing enzymolysis on rhizome of Polygonatum sibiricum through hemicellulase and pectinase, performing enzymolysis through bromelain and papain, and performing fermentation through bacillus licheniformis and saccharomyces boulardii. All the active components are matched for use, kidney function metabolism can be well enhanced, bone mineral density is increased, the treatment course is short, the effect taking speed is high, safety and reliability are achieved, and medication compliance is effectively improved.

The invention relates to a shock absorber and a shock absorption system, and belongs to the technical field of precise shock absorption. The shock absorber comprises a base, a top plate, a piston and a supporting piece, a cavity is formed in the side, facing the top plate, of the base, the piston is connected with the base in the cavity in the mode that the piston can move in the depth direction of the cavity, the piston and the cavity are sealed to form a sealed cavity, the piston is connected with the top plate through the supporting piece, and therefore the pneumatic assembly with the vertical vibration reduction function is integrated in the vibration damper. The air cavity and the piston of the pneumatic assembly are both arranged at the bottom of the shock absorber, so that the air cavity and the piston are prevented from occupying the space between the base and the top plate in the shock absorber, and due to the fact that the area of the area, where the air cavity can be arranged, of the shock absorber base is larger, the shock absorber base can be more compact under the condition that the thickness of the base is not increased or slightly increased. The air cavity and the piston are arranged in the shock absorber base, so that the device integration density can be improved, the space can be compact, and miniaturization and multi-functionalization of the shock absorber are facilitated.

The invention provides a large-scale culture method of NK cells and an adopted culture medium, and belongs to the technical field of NK cell culture. And adding fetal calf serum, penicillin, streptomycin and the stimulation amplification promotion magnetic microspheres into the ACTM culture medium, and uniformly stirring and mixing to obtain the culture medium. The large-scale culture method of the NK cells can efficiently activate and amplify the NK cells, is free of exogenous serum and autoserum, safe and effective, can well promote proliferation of the NK cells and prolong the activity of the NK cells, is safe and free of side effects, and has a wide application prospect.

The invention discloses a new energy intelligent safety team system, and relates to the technical field of new energy, the new energy intelligent safety team system comprises a central regulation and control module, the central regulation and control module is in communication connection with a field operation management module, an educational training module, a risk pre-control module, a hidden danger checking and emergency management module and an intelligent hardware integration module, and the field operation management module is used for providing operation guidance for team personnel through the intelligent terminal, pushing safety risk information in an operation environment in real time, and performing task allocation, progress tracking and completion condition feedback. According to the invention, by monitoring key information such as the working state of team personnel, the equipment operation condition and the environmental parameters in real time, abnormal or potential risks are found in time, and related information is automatically pushed to management personnel, so that the safety management capability of the team is enhanced, safety accidents are effectively prevented, and the safety of personnel and property is guaranteed.

The utility model provides a cleaning device. The cleaning device comprises a shell; the brush assembly is arranged on the shell in a rotatable manner; the driving assembly is used for driving the brush assembly to rotate, the driving assembly is installed in the shell, and the power output end of the driving assembly is connected with the brush assembly; and the phototherapy assembly is used for carrying out phototherapy on the skin, and the phototherapy assembly is installed in the shell. By adopting the driving assembly, the brush assembly can be driven to wash the skin in a looping manner, so that the skin is cleaned; by adopting the phototherapy assembly, the skin can be subjected to phototherapy, so that the skin can be treated, the function of the cleaning device is increased, the influence on a wound in the cleaning process can be reduced, and the user experience is improved.

The invention discloses a preparation method of a metal-based nano-enzyme and application of the metal-based nano-enzyme in treatment of periodontitis, the nano-enzyme combines two metal bases, and the nano-enzyme exerts anti-inflammatory, vascularization and osteogenesis effects through advantage complementation to treat periodontitis. The nano-enzyme for treating periodontitis has excellent anti-oxidation / anti-inflammatory performance, exerts an ROS elimination function in a specific environment, responds to a periodontitis pathology microenvironment to release metal ions, exerts a growth factor-like function of the metal ions and realizes repair of blood vessels and bone tissues. The multifunctional nano material has the advantages of simple process, low cost, high activity and the like, and has a good treatment effect on periodontitis.

The invention relates to the technical field of AI vision, and discloses an article dynamic scene recognition method and device based on AI vision, and the method comprises the steps: collecting a video stream of a dynamic scene to generate a video frame sequence, inputting the video frame sequence into an AI vision dynamic recognition model composed of a convolutional neural network (CNN) and an LSTM network, and carrying out the model training, according to the scheme, the CNN and the LSTM network are combined, the model can effectively extract the spatial and temporal features in the video stream, the dynamic article recognition capability is improved, and the dynamic article recognition efficiency is improved. The attention mechanism can automatically focus on a key area in a video, the recognition precision is improved, the multi-task mechanism enables the model to complete multiple tasks at the same time, such as object detection and action recognition, the multifunctionality and adaptability of the system are enhanced, and the problem that in the prior art, object changes of a dynamic scene are difficult to accurately recognize is solved.

The invention discloses an underground compressed air energy storage cycle test system and a test method thereof, and the system comprises a triaxial ground stress loading assembly, a model box, a heat exchanger assembly, a pressurization assembly and a chamber. The model box is arranged in the triaxial ground stress loading assembly; the heat exchanger assembly comprises a heat exchanger outer unit and a heat exchanger inner unit, the heat exchanger inner unit is arranged in the model box, and the heat exchanger outer unit communicates with the chamber; the chamber is arranged in the model box and further communicates with the pressurizing assembly. A surrounding rock material layer is further filled in the model box and outside the chamber, and the volume of the accommodating cavity in the model box is adjustable; the chamber comprises a cylindrical lining, a first flange plate and a second flange plate, the first flange plate and the second flange plate are arranged at the two ends of the cylindrical lining, an air bag is arranged in the cylindrical lining, and the heat exchanger inner unit is arranged in the air bag. The heat exchanger indoor unit and the air bag are communicated with the corresponding heat exchanger outdoor unit and the pressurizing assembly through the corresponding through channels in the second flange plate respectively. The invention aims to improve the test accuracy.

The invention discloses an urban ecological environment design method and system based on digital twinning, and relates to the technical field of urban ecological environment design, and the method specifically comprises the following steps: determining a water body management target and environmental conditions of an urban central park, and building a digital twinning model for simulating the pollutant diffusion and accumulation effect during seasonal rainfall; pollutant accumulation information of the urban central park during seasonal rainfall is collected in real time, and the collected pollutant accumulation information is transmitted to the digital twinborn model through the data interface; analyzing the pollutant accumulation information input into the digital twinborn model, and evaluating the pollutant accumulation risk level of the urban central park during seasonal rainfall; and according to an evaluation result, determining potential influence of pollutant accumulation on water quality, and starting corresponding water quality management measures. According to the invention, the problem of water quality deterioration caused by pollutant accumulation during seasonal rainfall is solved, and real-time monitoring and dynamic management of water quality are realized.

The invention relates to the technical field of sodium ion batteries, in particular to a sodium ferric sulfate positive electrode material and a preparation method and application thereof. The preparation method of the sodium ferric sulfate positive electrode material comprises the following steps: obtaining a carbon foam substrate; weighing raw materials according to the stoichiometric ratio of the sodium ferric sulfate positive electrode material, and adding the raw materials into a solvent to obtain a mixed solution; depositing the mixed solution on a carbon foam substrate by adopting an electrostatic spray deposition method to obtain a precursor film; and sintering the precursor film to obtain the sodium ferric sulfate positive electrode material. According to the preparation method, the carbon foam is adopted as a substrate material, the sodium ferric sulfate precursor is prepared through electrostatic spray deposition, and then the sodium ferric sulfate material is obtained through sintering treatment, so that the specific discharge capacity, the rate capability and the cycle performance of the sodium ferric sulfate material are all remarkably improved.

The invention relates to the technical field of new material performance detection, in particular to a new material compression resistance and tensile property detection device which comprises a test counter, a driving mechanism arranged in the test counter, an auxiliary mechanism arranged on the upper side of the test counter, a clamping mechanism arranged on the side face of the auxiliary mechanism, and a driving mechanism comprising a motor. Connecting shafts are arranged on the side faces of the motors. By arranging the driving mechanism, the auxiliary mechanism and the clamping mechanism, stable clamping of different materials can be completed, stable compression resistance and tensile property detection can be conducted, during detection, multiple modes and states can be provided for use, multiple sets of detection can be conducted, the detection efficiency can be improved, large-specification materials can be assisted to be stabilized during detection, and the detection efficiency is improved. Inaccuracy of detection effect data is avoided, in addition, performance detection of side stress of materials can be carried out, so that accuracy of performance detection and performance testing of new materials under multiple conditions are guaranteed, and functionality and accuracy are improved.

The invention discloses application of an AXL inhibitor in preparation of a medicine for treating heart failure, and relates to the field of pharmacy. The invention provides application of an AXL inhibitor in a medicine for treating heart failure. The AXL inhibitor can remarkably inhibit abnormal activation of fibroblasts and can remarkably improve the heart function of a mouse with heart failure.

The invention discloses a distributed architecture of an intelligent emergency command and dispatch system and a collaborative decision-making method. A distributed architecture comprising a basic resource layer, a support service layer and an application layer is constructed, and functions of multi-type alarm access, accurate alarm positioning, intelligent power dispatching and the like are realized by using multiple technologies. And establishing a collaborative decision-making mechanism which covers problem modeling, communication protocol design, negotiation mechanism development, dynamic adjustment and decision-making execution. The system is deployed after integration testing and security testing, personnel training, daily hardware maintenance, software monitoring, data backup and security component updating are carried out. The emergency commanding and dispatching efficiency, accuracy and collaboration are improved, the method adapts to complex emergencies, and public safety is guaranteed.

The invention discloses a cultural heritage digital display platform, which is mainly applied to the fields of museums, cultural heritage protection institutions, education institutions and the like, and specifically comprises a central control module, and a user interaction module, a multimedia display module, a virtual reality rendering module, a database management module and an intelligent recommendation module which are connected with the central control module. The cultural heritage digital display platform has remarkable beneficial effects in the aspects of improving cultural heritage protection and inheritance efficiency, enhancing user experience and interactivity, realizing personalized recommendation and accurate service, promoting cultural education and propagation, optimizing data management and analysis capability and the like, and is beneficial to protection and inheritance of the cultural heritage; and the cultural literacy and aesthetic level of the public can be improved, and a positive contribution is made to the development of cultural heritage.

The present invention discloses a step-by-step rock drill with a drill withdrawal device, including a rock drilling main unit, a guide rail, and a drill rig bearing slide, wherein a first locking device is provided between the drill rig bearing slide and the guide rail; a drill withdrawal device is also provided on the drill rig bearing slide; the drill withdrawal device includes a locking slider and a driving mechanism with a reciprocating output motion, the driving mechanism is connected between the drill rig bearing slide and the locking slider, and the locking slider can only be longitudinally moved on the drill rig bearing slide; the first locking device is provided between the locking slider and the guide rail. The beneficial effect of the present invention is that the drill bit can be easily withdrawn when the drill is stuck, and the length of the drill rig guide rail can be adjusted according to the footage, and the front end of the drill rig is firmly supported, and after the drilling is completed, the drill rig can be withdrawn smoothly as a whole. It has complete functions, is conducive to realizing automatic control, provides guarantee for the mechanized operation of tunnel construction, and can effectively reduce tunnel over-excavation, improve construction efficiency, and reduce construction costs.

The invention discloses a semiconductor probe card electrical parameter extraction method and system based on an MEMS technology, and relates to the technical field of semiconductor testing, the method comprises the following components: initialization setting: aligning an MEMS probe card to a target test area on a wafer to be tested, firmly fixing the probe card and the wafer together by using a mechanical clamping device, and setting the MEMS probe card and the wafer to be tested; by integrating the decision tree model and the genetic algorithm, accurate mapping and optimization of semiconductor wafer surface features and optimal probe contact parameters are achieved, the intelligent level of testing is improved, the test time is shortened, the test efficiency is improved, and the test cost is reduced. The self-adaptability and stability of the testing process are remarkably enhanced, real-time adjustment of probe contact parameters is ensured through a dynamic monitoring and closed-loop control mechanism, the testing error is effectively reduced, the testing precision is improved, the optimal contact parameter combination is found through an optimization algorithm, the testing period is further shortened, and the testing efficiency is improved.

The invention provides a neuromuscular multi-element coupled organoid micro-fluidic chip, a device and a method. Relates to the technical field of organoid micro-fluidic chips. A first culture chamber, a second culture chamber and a third culture chamber are arranged in a culture layer of the chip; the first culture room is used for culturing nerve cells; the second culture room is used for culturing muscle cells; a microfluidic channel for communicating the first culture chamber with the second culture chamber is arranged between the first culture chamber and the second culture chamber; the third culture room is arranged on the micro-fluidic channel and is used for culturing a neuromuscular joint formed by convergence of axons of nerve cells and muscle cells; a microelectrode array plate is arranged in the circuit layer and is used for performing electrical stimulation and electrophysiological function detection on neuromuscular cells. Through the chip, co-culture of in-vitro nerves and muscle organs can be realized, a complex interaction relationship in a neuromuscular system can be accurately simulated, and the chip can also be used for constructing various neuromuscular related disease models.

The present invention discloses a universal arm and a rock drill for tunnel construction. The universal arm comprises a boom, a front support is provided at the front end of the boom, a guide rail sliding frame is rotatably provided on the front support through a first pivot, a guide rail sliding frame rotation driving oil cylinder is connected between the guide rail sliding frame and the front support; a guide rail support is rotatably provided on the guide rail sliding frame through a second pivot parallel to the bearing surface of the front support, and a flip driving device for driving the guide rail support to flip is provided between the guide rail support and the guide rail sliding frame rotation driving oil cylinder. The rock drill for tunnel construction is composed of a universal arm and a step-type rock drill provided on the universal arm. The beneficial effects of the present invention are that the universal arm has a simple structure, occupies less space, is light in weight, and has reliable functions. The rock drill for tunnel construction gives full play to the technical advantages of the step-type rock drill and the universal arm, provides guarantee for the mechanized operation of tunnel construction, has high construction efficiency, and low construction cost.

The embodiment of the invention discloses a VR optical module and a head-mounted display device. Wherein the VR optical module comprises a display assembly, a variable-focus lens array and an imaging assembly which are sequentially arranged along the same optical axis; the display assembly is used for emitting image light; the imaging assembly is used for forming a virtual image from the image light; the variable-focus lens array comprises a plurality of variable-focus lenses, and the variable-focus lens array is configured to be capable of adjusting the focal length of the variable-focus lens array under driving so as to adapt to the diopter of a wearer.

The invention provides a method and a device for simulating a video medium by a multi-mode medium in dubbing and a readable storage medium thereof. In the dubbing field, a traditional video medium has the problems of high cost, poor flexibility and the like. According to the method, multi-mode media such as audios, pictures and texts are dynamically loaded during program running, and the video effect is simulated through specific steps. The method comprises the following steps of: initializing an item, configuring resources, requesting and analyzing data, loading a UI (User Interface) control, synchronizing the data and the control, adding an interactive operation and an extended function, and finally releasing the resources. The technology effectively reduces the cost, realizes resource sharing, improves the operation efficiency and flexibility, has cross-platform compatibility, has important practical value in dubbing and other multimedia application scenes, and can bring more efficient and convenient experience to users.

The invention relates to a cell culture microcarrier as well as a preparation method and application thereof. The cell culture microcarrier comprises a polymer porous microsphere with an inside-outside through pore channel structure. The cell culture micro-carrier comprises a biodegradable micro-carrier and also comprises a non-degradable micro-carrier, so that the growth of cells in the carrier is facilitated, and the mass transfer of nutrient substances and metabolites is also facilitated, thereby promoting the growth of the cells, enabling the cultured cells to keep good activity and function, and being high in proliferation efficiency; the method is suitable for three-dimensional culture of somatic cells, stem cells, tumor cells and the like.

The invention discloses a trusted data exchange method and device based on trusted space and a storage medium. The method comprises the steps that a data provider uploads data to a trusted data space; the data supply platform generates a contract, wherein the contract comprises a signing timestamp, a data identifier, a data provider identifier, a data user identifier, a use permission, a service life, a data modification limit and a control strategy; performing Hash encryption on the contract information, and storing the contract information in a target block chain; respectively mapping'points', 'horizontal 'and'interval' in the Morse code into a zero-width non-connector, a zero-width connector and a zero-width space symbol, and converting the encrypted contract identifier into a Morse code format; embedding a zero-width non-connector, a zero-width connector and a zero-width space symbol at random positions of the uploaded data information, wherein the encryption key is generated based on a preset encryption algorithm; and encrypting the uploaded data information by using the encryption key.