22results about How to "Reduce vulnerability" patented technology

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 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 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 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 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 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.

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.

The present invention relates to the field of information security technology, specifically to a network security level protection intelligent evaluation method and system, comprising the following steps: based on the network device connection relationship, router configuration file and firewall rule list, hierarchical analysis of security policy rule dependencies is performed, the interactive protocol and priority of the dependencies are extracted, the existing inconsistencies are identified and corrected, and an optimized security policy model is generated in combination with the network security level protection requirements. In the present invention, through the optimized security policy model, the comprehensiveness and accuracy of the analysis are improved, the policy loopholes are reduced, the access control rule path is parsed and combined with the database interface, the systematic risk identification capability is enhanced, the risk prevention and control capability matrix is ​​optimized in combination with the vulnerability patch priority and coverage, the prevention and control blank area is compared, the security policy coverage depth is improved, the accurate evaluation and path optimization of network security capabilities are achieved, and the coverage efficiency and evaluation applicability are improved.