31results about How to "Reduce vulnerability" patented technology

The invention relates to the technical field of ecological data processing, in particular to a plant growth evaluation method based on ecological data analysis, and the method comprises the steps: collecting data; determining a temporary grid; soil type identification; identifying an abnormal grid; adjusting a grid; and evaluating the plant growth degree. According to the method, the accuracy of plant growth monitoring is improved through dynamic monitoring and intelligent adjustment, bad growth conditions and abnormal plants can be recognized in time, then targeted intervention measures are provided, the vulnerability of an ecological system is reduced, and meanwhile, the high efficiency and accuracy of data acquisition are ensured through dynamic adjustment of grid spacing and optimization of a monitoring strategy. The method also provides a scientific basis for soil quality and plant health, is helpful for realizing ecological balance, promoting reasonable utilization of resources, improving the stability of an ecological system, and effectively solves the problems of insufficient evaluation comprehensiveness and reduced data acquisition timeliness caused by dependence on a fixed trigger strategy and single data source.

The invention discloses a distributed electricity-hydrogen coupling system coordination control method and device based on edge calculation and an upper computer. The method comprises the following steps: firstly, acquiring electric quantity information and hydrogen energy data of each energy device in the distributed electricity-hydrogen coupling system; predicting the generating capacity of various distributed power generation devices and the power consumption of various loads; then selecting a target operation mode of the distributed electricity-hydrogen coupling system; and according to the optimization objective function and the constraint condition of the target operation mode, obtaining an optimal operation strategy of the target operation mode, and finally, the optimal operation strategy is sent to each energy device in the distributed electricity-hydrogen coupling system, so that the energy devices operate according to the optimal operation strategy, and distributed electricity-hydrogen coupling system coordination control based on edge calculation is completed. According to the method, the control speed of the distributed electricity-hydrogen coupling system can be remarkably improved, so that the overall operation efficiency is improved, and meanwhile, the reliability and the expandability of the system are enhanced.

The utility model discloses a wire insulation shielding cover which comprises a first semi-insulation cover body and a second semi-insulation cover body, one side of the first semi-insulation cover body and one side of the second semi-insulation cover body are hinged, the other side of the first semi-insulation cover body and the other side of the second semi-insulation cover body can be opened and closed, and an opening and closing mechanism is arranged between the outer wall of the first semi-insulation cover body and the outer wall of the second semi-insulation cover body. The opening and closing mechanism is used for being matched with the shooting gun rod to open and close the first semi-insulating cover body and the second semi-insulating cover body. The lead insulation shielding cover is low in vulnerability rate, good in insulation shielding effect, convenient to align with the lead, small in sleeving difficulty and convenient to disassemble and assemble.

The invention provides a preparation process of a magnetic powder core with high magnetic conductivity and low loss, and belongs to the technical field of magnetic powder core preparation. The preparation process comprises the following steps: synthesizing the TiO2 coated Al2O3 nanowire; preparing an insulating coating; performing insulation coating on the powder; and preparing the magnetic powder core. Alloy powder is subjected to phytic acid coating firstly and then subjected to ammonium molybdate annealing to be converted into MoO3 coating, phytic acid surface treatment is carried out firstly, phytic acid molecules can react with active sites on the surface of the alloy powder to form an initial insulating layer, and when MoO3 insulating coating is carried out subsequently, the surface of the alloy powder is coated with the MoO3, so that the surface of the alloy powder is coated with the MoO3. MoO3 can be further coated on the basis of an existing phytic acid insulating layer, a double-layer protection structure is constructed, the eddy current loss of the magnetic powder core in an alternating magnetic field can be reduced through phytic acid and MoO3 double-layer insulating coating, and the magnetoelectric performance of the magnetic powder core is improved.

The invention belongs to the technical field of heavy water reactor core flux detectors, and aims to solve the problems that the manual flux detector installation speed is low, the personnel irradiation dose is high, and the detector is easy to damage. The invention discloses a heavy water reactor core flux detector installation device and method, the device comprises a front guide pipe and a rear guide pipe which are coaxially arranged, the rear end of the front guide pipe is installed at a reserved installation position of a driving system shell, and a driving pair wheel set is arranged between the front guide pipe and the rear guide pipe; the driving pair wheel set is in transmission connection with the driving motor; the rear guide pipe is in butt joint with a detector reel bin, a reel is installed in the detector reel bin, the tail of the flux detector is clamped into the reel, and a flux detector cable is wound on the reel. According to the method, components of the device are used for installing the device, the heavy water reactor core flux detector installation device is removed, and flux detector installation is completed. The installation speed of the flux detector can be increased, the radiation dose of personnel is reduced, and the probability that the detector is prone to damage is reduced.

The invention provides a network model interpretation method and device and a related product, and relates to the technical field of computers and Internet. The method comprises the following steps: acquiring an original image and a first adversarial interpretation image; determining a first disturbance of the first adversarial interpretation image relative to the original image; determining that the maximum disturbance absolute value of the first disturbance is smaller than or equal to the local minimum disturbance value; determining a first disturbance variable quantity along a gradient direction of classification change towards the target category; updating the first disturbance according to the first disturbance variable quantity; wherein the updated first disturbance is used for controlling the prediction category of the original image to approach the target category; and adding the first disturbance to the original image to generate a second adversarial interpretation image so as to interpret the process of classifying the original image into the target category by the target model through the second adversarial interpretation image. Through the second adversarial interpretation image provided by the invention, the basis of decision making of the target model can be clearly displayed, and the interpretability of the model is enhanced.

The invention relates to the technical field of special robots, in particular to an examination supervision and alarm robot based on visual identification, which comprises an electric sliding rail, a sliding bottom foot is slidably arranged on the electric sliding rail through a sliding assembly, a motor box is arranged at one end, away from the sliding assembly, of the sliding bottom foot, and a motor is arranged in the motor box. The output end of a motor in the motor box extends out of the motor box and is provided with a battery box, batteries are contained in the battery box, electric cylinders are symmetrically arranged below the battery box, a lower disc is arranged below the electric cylinders, a visual recognition module is arranged at the bottom of the lower disc, a monitoring module is arranged on the peripheral side of the lower disc, and a processing bin is arranged in the center of the lower portion of the battery box. And a plurality of modules are arranged in the treatment bin. According to the invention, various perception modules and interaction interfaces are integrated, examination supervision alarm based on visual identification can be realized, examination supervision efficiency is improved, examination fairness is guaranteed, and education management level is improved.

The utility model relates to the technical field of electric dust removers, in particular to a wet-type electric dust remover. According to the technical scheme, the wet-type electric dust remover comprises a connector, a shell, an electrode assembly and a sleeve, the electrode assembly is installed in the shell, a through hole is formed in the shell, a baffle is installed at the position, located at the through hole, of the interior of the shell through a torsional spring, the sleeve is installed at the position, located on the outer side of the through hole, of the shell, the connector is installed in the sleeve, and the connector is fixedly connected with the shell. A pressing plate is arranged on the connector, the connector is elastically installed in the sleeve through the pressing plate and a spring, and a spray head is installed at the tail end of the sleeve. By optimizing the layout, increasing the capturing surface area, preventing pollution, improving the stability, optimizing the water spraying system and the like, the performance and the reliability of the dust remover are effectively improved, and the dust control requirements in various industrial environments are met.

The invention discloses a multi-objective optimization design method for a grey-green coupling facility. The method comprises the following steps: S100, collecting and cleaning multi-source data, performing coordinate unification, establishing a digital base data set, and setting regional parameter correction and historical disaster fingerprint calibration; s200, quantifying the regulation, storage and drainage operation rule into an optimizable dynamic variable; s300, establishing a parameterization mechanism model of the grey green facility and a connecting component, coupling life period evolution of degradation-operation and maintenance recovery, and outputting hydraulic power and risk indexes; s400, setting a Level-0 hard constraint and a robust constraint by taking the minimum flood response speed and the minimum full life cycle net cost as a core target; s500, carrying out iteration by adopting NSGA-II / III (Non-dominated Sorting Genetic Algorithm-II / III) to obtain a Pareto non-dominated feasible solution set; s600, calculating a comprehensive risk index based on the risk result and generating a partition and differentiation layout template; and S700, screening a unique recommendation scheme according to the grading evaluation system in combination with AHP-entropy weight coupling weight and landing correction, and outputting engineering accessories such as a parameter list and an operation and maintenance plan.

The invention relates to an auxiliary decision-making device and method for electric charge expenditure saving of a service electric power high-voltage customer, which is quick to operate, can display three basic electric charge calculation amounts to the customer only by inputting a user number and a user name, assists the customer in reasonably selecting a basic electric charge calculation scheme, improves the cabinet approaching efficiency by 60 times, and greatly reduces the waiting time of the customer. According to the invention, all data sources are from enterprise-level data medium stations, the data of the data medium stations are from business systems in different systems, and through the data medium stations, the data acquisition is fast, the transmission stability is high, and the security problem does not exist. The cloud technology is adopted to deploy calculation at the cloud, hosted operation is achieved, data calculation is fast, and programs run stably. A browser / server (B / S) architecture is adopted to design a Web browser display interface, man-machine interaction is friendly, maintenance is easy, and quality improvement, burden reduction and efficiency improvement are achieved for a first-line basic layer.

The invention belongs to the technical field of solid propellants, and particularly relates to a hydroxyl-terminated polybutadiene propellant and a preparation method thereof, and the propellant comprises the following components by mass: 6.5-8.5% of an adhesive; 3.0-4.0% of a plasticizer; 0.3-0.4% of a curing agent; 0.1%-2.0% of a combustion rate regulator; 0.01%-0.5% of a bonding agent; 15-19% of metal fuel; 5-18% of a nitramine explosive; 55-65% of an oxidizing agent; wherein the adhesive is a mixture formed by mixing hydroxyl-terminated polybutadiene and carboxyl-terminated polybutadiene in a mass ratio of (4-1.5): 1, and the burning rate regulator is a mixture of ferrocenecarboxaldehyde and copper phthalate and / or ferric oxide; the response grade of the hydroxyl-terminated polybutadiene propellant to a bullet shooting test, a fragment impact test and a shaped charge jet impact test is combustion.

The present invention discloses a vehicle-mounted dust removal and purification equipment for municipal bridge construction, the present invention relates to the technical field of bridge construction dust reduction, comprising a bottom plate, the interior of the bottom plate is fixedly connected to a motor, the top of the bottom plate is rotatably connected to a turntable, the turntable is fixedly connected to a connecting plate on the side away from the motor, the top of the connecting plate is fixedly connected to a cylinder, the end of the connecting plate away from the cylinder is fixedly connected to a bracket, the middle of the bracket is rotatably connected to a rotating shaft, and the end of the bracket away from the connecting plate is fixedly connected to a limiting component. The vehicle-mounted dust removal and purification equipment for municipal bridge construction adjusts the inclination angle of the water mist sprayed by the dust reduction component through the cylinder to ensure that the sprayed water mist can reach the target area and improve the cleaning efficiency, and the spray range and angle of the water spray can be changed as needed, which can increase the flexibility of the dust reduction machine, enable it to handle difficult-to-reach areas, and improve the overall purification effect.

The utility model is suitable for metal processing equipment technical field provides a kind of mechanism of cover steel seal stamping lock catch, mechanism includes rack, stamping drive arrangement, detachable punch assembly, swing arm, push rod, fixture, pull rod and tension spring etc., and stamping drive arrangement includes motor, belt pulley, belt and the cam structure consisting of cam and bearing.Its working principle is: motor drives belt pulley and cam rotation by belt, bearing on cam drives swing arm swing by connecting rod, swing arm drives push rod and steel seal die to complete stamping action, reset is realized through tension spring simultaneously, and automation processing is realized by cooperation material conveying platform.The mechanism positioning is accurate, impact force is controllable, and degree of automation is high, and it can adapt to different specifications workpieces, effectively improve processing efficiency, and reduce production cost.

The utility model relates to an isolation device for a slit-lamp microscope and a microscope, and the isolation device comprises an isolation plate with a rectangular structure. A circular hole and a slender opening are formed in the isolation plate, the circular hole is communicated with the slender opening, and the slender opening extends from the edge of the circular hole to the long side of the isolation plate and penetrates through the long side of the isolation plate; and the circular hole is used for being clamped with a cylinder behind the microscope. According to the utility model, a doctor and a patient can be separated so as to reduce the transmission of respiratory diseases.

The invention relates to the technical field of power supply optimization, in particular to a vulnerability optimization method for nodes in a power supply area. According to the method, a vulnerability evaluation index based on a complex network theory and a risk evaluation index based on a risk theory are firstly carried out; performing weighted summation on the obtained node vulnerability indexes through an analytic hierarchy process, and determining a vulnerability comprehensive evaluation index of the power distribution network nodes based on a summation result and the risk index of each node; calculating an actual value of a vulnerability comprehensive evaluation index of the power distribution network node; based on the actual value of the vulnerability comprehensive evaluation index of the power distribution network node, determining a relatively vulnerable node in the power distribution network, namely a target node, namely a node needing vulnerability optimization, and performing targeted vulnerability optimization on the target node; according to the technical scheme, the vulnerable nodes in the power distribution network can be effectively found, the accuracy is high, the reasonability is high, and the vulnerability of the power distribution network is pointedly reduced.

The invention discloses a software code testing method and device, electronic equipment and a storage medium, and relates to the technical field of software development or other related fields, and the method comprises the steps: taking a source code received by a version control system as a first target code to be tested, and synchronizing the first target code to a code review system; obtaining a code review result for the first target code; under the condition that the code review result shows that review is passed, a dynamic test tool is called to conduct code execution path test on the first target code, and a first test result is obtained; and under the condition that the first test result indicates that the test is passed, adding the first target code to the stock code to obtain a to-be-tested second target code, and calling the unit simulation tool to perform a working condition simulation test on the second target code to obtain a second test result. According to the method and the device, the technical problem that high-quality code delivery cannot be realized due to the fact that an automatic integration test process of software codes is not perfect in related technologies is solved.

The invention provides a red fading composition, which is prepared from the following components in percentage by weight: 0.1 to 3 percent of inositol, 0.01 to 3 percent of saffron crocus extract, 0.01 to 1 percent of escin, 0.1 to 5 percent of butanediol, 0.1 to 3 percent of pentanediol, 0.1 to 2 percent of hexanediol and the balance of deionized water, and the sum of the weight percentages of the components is 100 percent. The invention also provides a preparation method and application of the red fading composition. The red fading composition provided by the invention has a relatively good red fading effect.

The present invention discloses a track-type conveying device, which specifically includes a track body, a bearing part, a lifting assembly and a locking assembly; the track body is extended along a first direction; the bearing part includes a bearing body and two flexible ends, along the first direction, the bearing body is arranged between the two flexible ends, and the bearing body is slidably connected with the track body through the flexible ends; the lifting assembly is arranged between the flexible ends and the bearing body; when the overall offset is large and causes one flexible end to be too close to the track body, the flexible end can be unlocked by the locking assembly, and then the flexible end can be slid on the bearing body along the second direction to adjust the position of the flexible end, for example, the other flexible end can be adjusted to be close to the track body, thereby allowing the two flexible ends and the bearing body to maintain balance, avoiding the flexible end from being stuck, and thus ensuring the overall stability. Therefore, the track-type conveying device has the advantage of high stability.

The invention discloses a rail type conveying device. The rail type conveying device specifically comprises a rail body, a bearing part, a lifting assembly and a locking assembly. The track body extends in the first direction. The bearing part comprises a bearing body and two flexible end parts, the bearing body is arranged between the two flexible end parts in the first direction, and the bearing body is in sliding connection with the track body through the flexible end parts; the lifting assembly is arranged between the flexible end part and the bearing body; when one flexible end portion is too close to the track body due to large overall deviation, the flexible end portion can slide on the bearing body in the second direction after the flexible end portion is unlocked through the locking assembly, so that the position of the flexible end portion is adjusted, for example, the other flexible end portion is adjusted to be close to the track body, and the flexible end portion can slide on the bearing body in the second direction. Therefore, the two flexible end parts and the bearing body can be kept balanced, the flexible end parts are prevented from being stuck, and the overall stability is further guaranteed. Therefore, the rail type conveying device has the advantage of being high in stability.

The invention discloses a camera module test software conversion method, which mainly comprises the following steps of: obtaining basic information (test item names and software settings) of burning software through a path of the burning software; analyzing the setting and burning sequence of the test items; converting, namely converting a burning and writing function into a reading and detecting function, and checking; generating a new test item (dll file) by the copied and converted content; according to the method, the content of the burning software is directly converted into the fixed content corresponding to the detection software through the conversion software, that is, the burning software is directly converted into the detection software, so that the vulnerability of remaking the detection software can be effectively reduced, the production error of the detection software and the detection error are avoided, and the detection efficiency is improved. And human errors are avoided.

The invention discloses a verifiable electronic health record ciphertext search scheme in a cloud-assisted electronic environment. The method comprises the following steps: (1) a system establishment stage: a trusted center (such as a government) BC determines a security level and establishes system parameters; (2) a key generation stage: the trusted center authenticates actual identities of the DO and the DU and issues valid certificates respectively; and (3) an updating stage: the DO encrypts the file and the index, generates proof of all keywords, and sends ciphertext of the file and the index to the CS. The certification of the keyword is publicly verified after being submitted to the BC. And (4) a trap door generation stage: the DU generates a search trapdoor of a request keyword, and sends the search trapdoor to the CS through the block chain. And (5) a search stage: the CS searches all matched search results and returns the search results to the DU through the BC. And (6) a verification stage: any participant can verify the correctness of a returned result according to the keyword proof sent by the DU and the corresponding trapdoor. And (7) a decryption stage: after receiving a result returned by the BC, the DU decrypts the result to obtain a corresponding index.

The present invention relates to the field of reinforcement testing technology, and in particular to a reinforcement testing method based on kernel protection server data. The method comprises the following steps: performing flow state analysis according to kernel log files to generate comprehensive abnormal flow data; performing attack load design based on comprehensive abnormal flow data to generate attack load data; performing threat utilization probability analysis on threat intelligence data to generate threat utilization probability data; formulating reinforcement strategies based on attack load data and threat utilization probability data to generate reinforcement strategy data; performing repair necessity assessment according to comprehensive load attack reports and reinforcement strategy data to generate repair necessity scores; transmitting reinforcement strategy data and repair necessity scores to a terminal to generate a reinforcement test report. The present invention obtains threat intelligence data, designs attack loads to perform simulated attacks, so as to achieve early perception of vulnerability threats and improve the accuracy of reinforcement testing.

The application discloses an electric propeller, an aircraft and a cluster control method, relates to the technical field of aircrafts, and discloses the electric propeller, which comprises a propelling main body, a capturing mechanism and a propelling device, the propelling main body comprises gas inlets and ion outlets arranged at two ends of the propelling main body, the gas inlets are communicated with the external environment to supply gas into the propelling main body, and the ion outlets are communicated with the external environment; the capturing mechanism is arranged in the propelling main body and close to one side of the gas inlets, and can capture gas in a rarefied atmosphere; the propelling device is arranged in the propelling main body and close to one side of the ion outlets and is communicated with the capturing mechanism, can ionize the gas captured by the capturing mechanism to obtain environmental gas ions, and can discharge the environmental gas ions after acceleration from the ion outlets, so that a large amount of propellants carried with the aircraft is not needed, long-term tasks can be completed, and the application range is wider. The aircraft disclosed by the application can reduce the launch mass and cost of the aircraft, and the cluster control method can reduce the vulnerability of the aircraft system.

The invention relates to secure online collaboration. A method for secure online collaboration is provided. The method includes receiving, at a server of a cloud-based storage system, first encrypted data from a first client device. The cloud-based storage system stores a plurality of documents in encrypted form. The method also includes determining a document of the plurality of documents associated with the first encrypted data. The server cannot access the document in the decrypted form. The first encrypted data represents an editing of a portion of the document. The method also includes determining a plurality of user accounts for collaborators of the document. The plurality of user accounts includes a first user account associated with the first client device. Further, the method includes providing the first encrypted data to one or more other client devices, each client device associated with one of the plurality of user accounts, not including the first user account.

The utility model provides a three-phase full-bridge driving power integrated module and an internal common connection scheme thereof. The module specifically comprises three phases of metal bridge arm frames arranged in parallel, the metal bridge arm frames comprise a first bridge arm frame, a second bridge arm frame and a third bridge arm frame, each of the first bridge arm frame, the second bridge arm frame and the third bridge arm frame comprises two power tubes, the power tubes of an upper bridge and a lower bridge are located on the same bridge arm, the interiors of grounding leads are connected together, and substrate segmentation is eliminated. The optimal design of the metal bridge arm frame enables output signals and control signals to be distributed on different sides, and interference of current changes and high-frequency noise on the control signals is reduced. Meanwhile, different types of power tubes are adopted to optimize power loss, current transmission capability, temperature characteristics and the like, and the overall performance and stability are improved. Through optimization measures such as semi-etching of a packaging structure, good electrical connection and effective isolation from other elements are ensured, and the reliability and stability of the module are enhanced.

This application provides a zero-trust gateway data access method, client, gateway, communication system, storage medium, and computer program product. The method is applied to a client and includes: sending a single-packet authorization request message to the zero-trust gateway; receiving a single-packet authorization response message including ciphertext of a first key factor; decrypting the first key factor using a first private key; sending the first authentication information and the second key factor ciphertext to the zero-trust gateway, so that the zero-trust gateway generates a session key based on the first and second key factors using a preset algorithm; simultaneously, the client also generates a session key based on the first and second key factors using a preset algorithm; and establishing a connection channel with the zero-trust gateway based on the session key. This application uses a zero-trust gateway, which offers high security; and the data packet structure is designed with privacy in mind, resulting in fewer vulnerabilities and a lower risk of attack.

The invention relates to the technical field of winter wheat freeze injury prediction, in particular to a big data-based winter wheat freeze injury risk prediction model construction method, which comprises the following steps of: obtaining prediction data; calculating an ideal estimated value; determining an ideal freeze injury grid; adjusting the weight combination; determining an actual freeze injury grid; and generating a freeze injury pre-estimation map. According to the invention, through a multi-level dynamic adjustment mechanism, multiple factors such as predicted air temperature, historical freeze injury occurrence frequency and crop development period are effectively integrated, and by gradually adjusting weight combination and grid spacing, the model can optimize climate changes, crop growth states and freeze injury histories in different regions and periods, so that the prediction accuracy is improved. The model can obtain meteorological change information in real time and perform flexible adjustment, so that the predictability and response speed of risk early warning are improved, and the problem of insufficient prediction accuracy in different weather conditions and emergencies caused by dependence on a fixed vulnerability coefficient and a temperature threshold value is effectively solved.

The invention discloses a multi-scene simulation verification and multi-objective optimization method based on a power distribution network protection scheme, and the method comprises the steps: obtaining the multi-dimensional data of a power distribution network, enabling the multi-dimensional data to comprise the topology and equipment parameters of the power distribution network, the model parameters of a demand side energy supply system, and the parameters of a protection setting model, and carrying out the preprocessing of the multi-dimensional data; constructing a digital twinborn model based on the preprocessed multi-dimensional data; presetting a plurality of scenes based on the operation risk of the power distribution network, and generating scene variables through a random algorithm; constructing a simulation environment for each scene, starting the digital twin model to perform simulation in the simulation environment, and outputting a simulation result; constructing an evaluation index system, determining a weight by an analytic hierarchy process, and performing weighted calculation on a comprehensive evaluation value of a simulation result; and taking the comprehensive evaluation value as a target, iteratively optimizing a protection scheme and demand side resource configuration by adopting a multi-target genetic algorithm, searching a Pareto optimal solution, and ensuring that the scheme gives consideration to multi-target balance of safety, economy and environment.

A TEE system that includes a first platform that runs a first TEE, a second platform that runs a second TEE, and a merging unit that is adapted to merge a first output from the first TEE of the first platform, with a second output from the second TEE of the second platform, so as to form an output of the TEE system. The first TEE and the second TEE are based on different implementations. In this way, the security of the system is improved, as a malicious actor even be able to access "t" machines, still would not be able to retrieve the secret unless there are multiple exploitable TEE vulnerabilities on all executing TEE platforms at the same time.

The invention discloses a data processing method and device, electronic equipment and a storage medium. The method comprises the steps of determining a main data processing code according to a received main data query statement of a target object; determining a data aperture of the affiliated attribute of the target object based on a data field contained in the main data processing code; determining an association code of the main data and the affiliated attribute according to the data aperture; and obtaining a data processing code according to the main data processing code and the associated code. The user only needs to set the query statement according to specific requirements without writing specific codes, so that the data processing code development difficulty can be reduced, errors and vulnerabilities caused by manual code writing are reduced, the quality and reliability of the data processing codes are improved, the user defines the required data by setting the query statement, and the user experience is improved. Code generation behaviors can be adjusted according to requirements, and different data processing requirements are met.