175results about How to "Ensure transparency" patented technology

The invention relates to the technical field of project management, in particular to a project cost data calculation management system and method.The project cost data calculation management system comprises a data acquisition module, a data modeling module, a data fusion and optimization module, a dynamic analysis and early warning module, a cost analysis module and a data storage module; a global cost prediction model is established through standardized processing of acquired multi-dimensional data, and real-time data is dynamically analyzed in a project implementation process to generate a cost control report and an adjustment suggestion. And after the project is completed, the system comprehensively analyzes all cost data and generates a multi-dimensional cost analysis report. The security and expandability of data are guaranteed by adopting a distributed storage technology, and the confidentiality and integrity of the data are ensured through a multi-user authority management function. According to the invention, the accuracy, real-time performance and safety of engineering cost management can be effectively improved, and comprehensive support is provided for cost control and optimization of an engineering project.

The invention provides a distributed energy regulation and control method and system based on 5G network and block chain collaboration, and the method comprises the steps: building an energy block chain-based IES power transaction architecture which comprises a block chain node; docking the regulation and control object with a block chain node in an IES power transaction architecture, wherein the block chain node is used for storing the smart contract subjected to security verification; constructing a distributed energy optimization scheduling model considering the 5G network and a mathematical model of a cooperative scheduling mechanism; and the intelligent contract generates a scheduling instruction according to the distributed energy optimization scheduling model and the mathematical model of the cooperative scheduling mechanism, and the scheduling instruction value is issued to the power generation and utilization unit after passing constraint condition check.

The invention relates to a block chain-based power Internet of Things terminal security access method and system. The method comprises the following steps of S1, dividing a virtual local area network; s2, deploying an SDN controller to manage and control network traffic; s3, performing decentralized identity recognition by using a block chain, and executing an automatic identity authentication process by using a smart contract; s4, carrying out preliminary identity verification based on the certificate, and carrying out secondary authentication in combination with the biological characteristics and the position information of the Internet of Things equipment; s5, performing uplink according to the critical degree, generating a unique fingerprint of the data by using a hash function, and storing the unique fingerprint in a block chain to ensure data integrity and prevent tampering; and S6, applying a strong encryption algorithm in a transmission layer and a data storage process to ensure data security and realize a homomorphic encryption technology, so that data operation is performed in an encryption state, and privacy is protected. According to the invention, the efficiency and security of terminal access are improved, and comprehensive protection and flexible management of the network and data are realized through the block chain and SDN technology.

The invention provides an aquatic product traceability management method and system based on a block chain, and relates to the technical field of aquatic product management, the aquatic product traceability management method based on the block chain comprises the following steps: establishing an aquatic product traceability network platform, and obtaining aquatic product full life cycle data in real time; performing anomaly verification on the acquired aquatic product full life cycle data based on a data verification method, and storing the verified data in an encrypted form in an aquatic product tracing network platform through a curve encryption algorithm; collecting feedback information after the user inquires the aquatic product traceability information through the aquatic product traceability network platform; and analyzing the collected user feedback information, and adjusting and optimizing aquatic product full life cycle management according to an analysis result. According to the method, the data is stored to the block chain in an encrypted form through a curve encryption algorithm, so that the security and non-tampering property of the data are ensured, and comprehensive optimization and guarantee are provided for production and management of aquatic products.

The invention relates to the field of digital archives, in particular to an alarm information processing method and system based on a block chain technology. A traditional monitoring system mainly carries out real-time monitoring according to data of a sensor and gives an alarm, and data may be tampered, so that emergency response and afterward responsibility investigation and determination work are affected; the invention aims to provide the alarm information processing method and system based on the block chain technology for a scene that alarm data is easy to tamper in the field of safety production, the method is improved on the basis of the existing Internet of Things technology, the block chain technology is added into the alarm processing system, and the alarm information processing efficiency is improved. The non-tampering and traceability of the data are realized based on the block chain technology, the integrity and transparency of the data are comprehensively considered in the risk monitoring process, the data security can be ensured, and the data security can be ensured for storing and tracing complete and real alarm notification and disposal process records. And powerful evidence support is provided for responsibility investigation and responsibility determination of subsequent accidents.

The invention belongs to the technical field of data management, and discloses a cloud-based peritoneal dialysis data management system and method. The system comprises a cloud data center and a plurality of edge computing gateways, the plurality of edge computing gateways are all in communication connection with the cloud data center, and the cloud data center is in communication connection with a plurality of external query terminals. The method comprises the following steps: receiving a peritoneal dialysis file uploaded by a data acquisition device; performing data analysis on the peritoneal dialysis file to obtain initial peritoneal dialysis data; performing data extraction on the initial peritoneal dialysis data to obtain formatted peritoneal dialysis data; encrypting the formatted peritoneal dialysis data to obtain first encrypted peritoneal dialysis data, and uploading the first encrypted peritoneal dialysis data to a cloud data center for cloud storage. According to the invention, the problems of low data processing efficiency, poor accuracy, large labor cost input, poor data circulation, low data value, difficulty in local storage, large hardware cost input and low data security in the prior art are solved.

The invention discloses a block chain Filecoin data analysis platform, which is characterized in that user data is stored on a plurality of nodes in a distributed manner by utilizing a decentralized storage characteristic of a Filecoin network, and the tampering resistance and security of the data are ensured through encryption and a consensus mechanism of a block chain; according to the method, an efficient block chain transaction processing and data analysis algorithm is adopted, a data analysis task is automatically executed through an intelligent contract, the use of data transmission and computing resources is optimized, and the efficiency of data processing and analysis is greatly improved; the advanced encryption technology is adopted to perform end-to-end encryption on the data, and a strict access control strategy is implemented to protect the privacy and security of the user data; all operation records and data analysis results of the platform are recorded on the block chain, so that the transparency and traceability of an analysis process are ensured, the analysis results cannot be tampered and can be verified, and the trust of a user to the analysis results is enhanced.

The invention relates to a forest and grass Internet of Things access control method and system based on a smart contract and KP-ABE. The method comprises the following steps: S1, initializing a block chain network and defining the smart contract; s2, encrypting data transmission attributes of the gateway of the forest and grass Internet of Things and generating an access request; s3, the forest and grass cloud platform verifies the data transmission attribute access request of the forest and grass Internet of Things gateway; s4, the forest and grass cloud platform decrypts the transmission data and stores the data into a data acquisition database; s5, generating a download attribute access request for operation configuration of the forest and grass Internet of Things gateway; s6, the forest grass cloud platform verifies the operation configuration downloading attribute access request of the forest grass Internet of Things gateway; s7, the forest and grass Internet of Things gateway downloads forest and grass Internet of Things gateway operation configuration; s8, carrying out security situation awareness and emergency disposal on the forest and grass cloud platform; s9, ending the process; the system is used for executing the control method. According to the invention, decentralization, transparency, non-tampering and traceability of forest and grass Internet of Things system access control are realized.

The invention relates to the technical field of plastic materials, in particular to a transparent flame-retardant polymethyl methacrylate composite material and a preparation method thereof. The transparent flame-retardant polymethyl methacrylate composite material is prepared from the following raw materials in parts by weight: 75 to 82 parts of polymethyl methacrylate, 15 to 20 parts of acrylate rubber grafted methyl ester acrylate, 15 to 18 parts of a flame retardant, 4 to 7 parts of a toughening agent, 1 to 1.5 parts of a coupling agent, 0.3 to 0.5 part of an antioxidant and 0.3 to 0.5 part of a lubricating agent, the flame retardant is prepared by mixing modified hexaphenoxy cyclotriphosphazene and modified hexa (4-aminophenoxy) cyclotriphosphazene. The transparent flame-retardant polymethyl methacrylate composite material prepared by the invention has multiple advantages, is suitable for the field of electronic and electric appliances requiring high flame retardance, good transparency and excellent mechanical properties, and has relatively high application value and market potential.

The invention discloses an intelligent internal control test verification method and system, and relates to the technical field of enterprise internal control verification, and the method comprises the following steps: comprehensively collecting the actual detection information of all examination and approval nodes in a business scene of a multi-stage examination and approval process, and building a complete analysis set; and after each examination and approval node completes examination and approval detection, preliminarily identifying examination and approval nodes which are not executed according to expectation in the examination and approval process. The nodes are classified into the high-risk examination and approval nodes and the normal examination and approval nodes, differential internal control is achieved, a new examination and approval link is inserted into the high-risk nodes, the frequency is dynamically adjusted according to the risk level, the safety in a high-risk scene is improved, and excessive intervention in a low-risk scene is avoided. Through real-time monitoring and dynamic adjustment, logic conflicts and process vulnerabilities are reduced, fund leakage and unauthorized operation are prevented, internal control resource optimization is realized, approval efficiency is improved, compliance and financial safety of enterprises are guaranteed, and powerful support is provided for stable operation of the enterprises.

The invention provides a multi-scale constructed high-transparency stable super-hydrophobic coating and a preparation method thereof, multi-scale coupling is introduced to prepare a transparent super-hydrophobic surface, that is, a micron-sized hollow particle and nano-particle collaborative accumulation mode is adopted, and the micron-sized hollow particles can play a supporting role while ensuring the transparency of the micron-sized hollow particles; the diameter of the coupled nanoparticles is about dozens of nanometers and is smaller than one tenth of the wavelength of visible light, so that the influence of Mie scattering and Rayleigh scattering can be reduced to the greatest extent, and high transparency is kept. Meanwhile, the stability of the surface is optimized, it is ensured that the super-hydrophobic surface can achieve the excellent antifouling effect in practical application, and the transparency and mechanical strength of the material are not sacrificed.

The invention relates to the field of nano-coatings, in particular to a nano-coating for decomposing dirt on a photovoltaic panel based on a photocatalysis technology, the nano-coating is composed of a bottom layer and a self-cleaning layer, and the bottom layer is made of nano-silver; the self-cleaning layer comprises 60 to 70 parts of titanium dioxide nanoparticles, 10 to 20 parts of zinc oxide nanoparticles, 5 to 10 parts of ferric oxide nanoparticles, 5 to 10 parts of zirconium dioxide nanoparticles, 60 to 120 parts of a solvent, 1 to 3 parts of a dispersing agent, 0.5 to 1.5 parts of a thickening agent and 1 to 3 parts of an antirust agent; the bottom layer and the self-cleaning layer are creatively added on the outer side of the photovoltaic panel, the basic bottom layer has good conductivity, antibacterial property and corrosion resistance, the self-cleaning layer can effectively keep transparency of photovoltaic glass on the surface of the photovoltaic panel by constructing concave-convex structure roughness below 50nm, and the self-cleaning layer has good anti-corrosion performance. And the nanometer coating can effectively decompose organic matter dirt on the surface of the photovoltaic panel under the illumination condition, the cleaning frequency is reduced by 80% or above, and the manual operation and maintenance amount is reduced.

The invention relates to a multi-module software hierarchical authorization management method and device and computer equipment. The method comprises the following steps: matching storage information of a top management terminal in a superior authority management file with storage information of a distributed operation terminal; if the matching result is successful, using the superior administrator account to set an intermediate administrator account on the electric power equipment engineering simulation calculation platform according to the intermediate administrator role authority demand information; distributing the intermediate authorization file from the superior administrator account to an intermediate administrator account; setting a subordinate administrator account by using an intermediate administrator account according to the role authority demand information of the subordinate administrator; distributing the lower-level authorization application file from the middle-level administrator account to the upper-level administrator account to generate a lower-level authorization file; and the superior administrator account distributes the subordinate authorization file from the superior administrator account to the subordinate administrator account through the intermediate administrator account. The software use efficiency can be improved, and then the software use and operation efficiency of an enterprise is improved.

The utility model discloses an oil-water separation device for kitchen waste in the technical field of kitchen waste treatment, which comprises a box body, a first-stage separation chamber, a water storage tank, a second-stage separation chamber and an oil storage tank are arranged in the box body, a liquid inlet pipe is arranged on the first-stage separation chamber, a flow baffle is arranged between the first-stage separation chamber and the water storage tank, a first filter screen is arranged on the lower side of the flow baffle, and a second filter screen is arranged on the lower side of the second-stage separation chamber. A first drain pipe is arranged on the water storage tank, a control valve is mounted on the first drain pipe, a second drain pipe is arranged on the secondary separation chamber, an oil outlet pipe is mounted between the primary separation chamber and the secondary separation chamber, a second filter screen is arranged in the oil outlet pipe, a trapezoidal plate is arranged in the secondary separation chamber, and a third filter screen is arranged between the secondary separation chamber and the oil storage tank; an oil pumping assembly is arranged in the oil storage tank, and an anti-blocking mechanism is arranged between the first filter screen and the second filter screen, so that the oil-water separation efficiency is effectively improved, and meanwhile, the blockage condition in the separation process is further avoided.

The utility model provides a pole piece detection device which comprises a workbench, and further comprises a conveying mechanism, a detection mechanism, an illumination unit and an optical lens group which are arranged on the workbench, the conveying mechanism comprises a conveying line body, a detection jig conveyed by the conveying line body and a transparent placing part arranged on the detection jig, and the placing part is used for placing and fixing a to-be-detected pole piece; the detection mechanism, the illumination unit and the optical lens group are arranged on a pole piece conveying path of the conveying mechanism, the illumination unit can irradiate the optical lens group and the back surface of a conveyed to-be-detected pole piece, and the detection mechanism is provided with a front surface image acquisition unit and a back surface image acquisition unit; when the detection jig drives the to-be-detected pole piece to move along the pole piece conveying path, the front image acquisition unit is used for performing front detection on the to-be-detected pole piece, and the back image acquisition unit is used for detecting the back of the to-be-detected pole piece refracted and / or reflected by the optical lens group. The pole piece detection device provided by the utility model not only can ensure the detection efficiency, but also can improve the transfer precision and stability of the pole piece to be detected.

The invention relates to the technical field of life cycle traceability, in particular to a full life cycle traceability system and method based on intelligent washing. The method comprises the following steps: acquiring washing clothes and user information, generating an RFID identification code, binding the RFID identification code with the user information, creating a user-clothes binding relationship, performing digital mirror image copying on the binding relationship, generating a clothes data file in combination with a database chain technology, and predicting the service life of the clothes by analyzing clothes state data and predicting the service life of the clothes. And making a personalized washing plan. And executing the washing plan and monitoring the washing result, and finally updating the clothes data file according to the washing effect to generate a washing traceability file. According to the invention, safer and more accurate full-life-cycle traceability operation is realized.

The invention discloses an IP consistency method for K3s service migration, and belongs to the technical field of K3s-based edge computing. In order to solve the problem of performance and fault tolerance of the transparency technology of a client caused by the existing realization of service migration, when service state migration is carried out, a source node service state migration module synchronizes request information to a target node service state migration module, and network configuration is modified; the source node IP migration module obtains IP information of a source service Pod and writes the IP information into an IP cache file, and the NFS synchronizes the IP cache file to the target node IP migration module; the target node network plug-in calls a target node IP migration module to read the IP cache file, and the target node network plug-in allocates the read IP to a target service Pod; and the target node service state transition module performs state recovery on the target service Pod by using the check point file, and the target node network state transition module modifies the network configuration of the target node.

The invention relates to the technical field of medical auxiliary equipment, in particular to an intelligent urinary stoma cleaning system which comprises a sensor module used for checking the stoma state of a user and the condition of peripheral skin and obtaining health index data of the user; the self-cleaning module is used for performing automatic cleaning operation on the stoma of the user; the nursing module is used for dynamically adjusting a cleaning mode and a maintenance plan; the control module is used for adjusting cleaning parameters, generating a cleaning report and sending out an alarm signal; and the visualization module is used for setting basic information of the user and visually displaying a cleaning report, a cleaning operation, a maintenance plan and an alarm signal at the same time. The cleaning mode and the maintenance plan are dynamically adjusted according to the historical reference data, the activity level and the stoma requirement of the user, so that nursing is more personalized and scientific, meanwhile, the cleaning time and frequency can be intelligently adjusted by analyzing the activity data and the behavior rule of the user, and therefore the nursing plan better conforms to the living habit of the user.

The invention discloses a big data screening method and system, and relates to the technical field of data processing, and the method comprises the following steps: S1, user demand analysis and confirmation: obtaining and analyzing user data demands, determining key features and conditions of data screening, formulating and confirming a screening standard, obtaining user feedback, and carrying out adjustment; s2, demand priority determination: carrying out comprehensive analysis by utilizing the optimal parameters, determining the relative importance of each parameter by applying an analytic hierarchy process, allocating weights, calculating weighted scores, and determining demand priorities according to score sorting; according to the method, the efficiency and accuracy of big data screening are remarkably improved by comprehensively analyzing the user requirements, formulating the screening standard and adopting measures such as algorithm optimization, feature engineering and parameter adjustment, the requirement priority is determined through the analytic hierarchy process, the screening strategy is dynamically adjusted, and it is ensured that the screening result is highly matched with the user requirements.

The invention relates to a hospital functional department performance assessment system and an implementation method, assessed functional department subjects including hospital leaders, functional departments at the same level and clinical departments are evaluated in multiple dimensions based on a 360-degree assessment method, the influence of factors in multiple aspects on assessment objects is comprehensively considered, the comprehensive quality of assessed objects is displayed in an omnibearing and three-dimensional mode, and the assessment efficiency is improved. According to the system, assessment blind spots are effectively avoided, assessment indexes are objective and customized continuously through quantized assessment indexes, the system can comprehensively and objectively evaluate the performance of functional departments, and the management efficiency and service quality of hospitals are improved.

The utility model discloses a tire with easy-to-determine starting time and a management system. An anti-transfer electronic tag is fixed in an easy-to-wear area of the tire. The management system comprises a tire of which the starting time is easy to determine, an electronic tag identification terminal provided with a program, and an internet server provided with a program, wherein the internet server and the electronic tag identification terminal are in data interconnection; and when the electronic tag identification terminal scans the anti-transfer electronic tag, the scanning time is recorded in a management system database of the Internet server and is used for calculating the tire use time. The time difference between the time when the tire has the quality problem or the time when the tire stops using and the tire starting time is determined as the actual using time of the tire. And charging according to the actual use time of the tire. The system reduces the indirect transaction cost, is very low in direct use cost, and is suitable for large-scale popularization. The method is applied to the tire industry with huge yield and is economical and practical.

The invention discloses a credit information service method based on the Internet, and the method comprises the following steps: 1, an enterprise carries out the construction of a credit information system through the entrustment of a third-party credit investigation mechanism, and carries out the full collection of the credit information data of related business departments through the authorization of the third-party credit investigation mechanism; 2, indexes are selected in combination with the characteristics of the enterprises and the departments of the enterprises, all the indexes are divided into qualitative indexes and quantitative indexes by adopting a qualitative and quantitative combined method, and a credit evaluation index system is constructed; 3, business credit information of all departments of the enterprise and information mastered by calling terminals and credit third-party mechanisms from other interfaces are shared and publicized; the credit information state of the enterprise is a dynamic process, real-time updating of departments and other terminal users generating the credit information in the enterprise can be guaranteed based on the dynamic process, and the method has the advantages of improving the transparency of the credit of the enterprise and improving the service management efficiency.

The invention discloses an extraction method of konjac glucomannan, which comprises the following steps: cutting konjac into blocks, and soaking the blocks in an activated carbon solution for decoloration and deodorization treatment; soaking the blocky konjak in water at 45-55 DEG C; crushing the soaked blocky konjak, and soaking the crushed blocky konjak in an ethanol solution containing nano silicon oxide; performing ultrasonic stirring for 20 to 30 minutes; adding an alcohol solvent, carrying out alcohol precipitation under the assistance of ultrasonic waves, and carrying out centrifugal separation to obtain a precipitate; washing the precipitate with a 80% ethanol solution, and adding an ester modifier; and drying and grinding to obtain the konjac glucomannan. According to the method, diced konjak is subjected to decoloration and deodorization treatment through an activated carbon solution, crushed konjak is subjected to ultrasonic stirring in an ethanol solution containing nano silicon oxide, surface polishing of the crushed konjak powder can be achieved through nano silicon oxide particles, konjak blocks are subjected to hot water soaking treatment, and then the konjak blocks are subjected to ultrasonic stirring; meanwhile, subsequent ester modification is matched; finally, the konjac glucomannan with high transparency and low viscosity is obtained.

The invention provides an intelligent bid evaluation management system based on a block chain, and belongs to the technical field of block chain technologies, the system comprises a selection module, a bid evaluation module, an optimization module and a deployment module, and the intelligent bid evaluation management system is configured by disassembling a user demand, matching a corresponding block chain platform and bid evaluation logic, constructing an intelligent bid evaluation contract and model, and optimizing a bid evaluation process. And the intelligent contract is deployed on the block chain, so that the bid evaluation efficiency is improved, the security and transparency of the data are ensured, and the influence of human factors on the bid evaluation result is reduced, thereby improving the overall reliability and fairness of the bid evaluation process.

According to the automobile glass capable of preserving heat and preventing mist on the inner side of the automobile glass, a pipeline seat is arranged in the middle of the inner side of a hollow glass edging, a temperature control pipeline is arranged around the inner side of the pipeline seat, and a fan is arranged below the hollow glass edging; a temperature control airflow inlet and a temperature control airflow outlet are formed in one side of the hollow glass edge strip, the two ends of the temperature control pipeline are in butt joint with the temperature control airflow inlet and the temperature control airflow outlet respectively, an air inlet pipeline is arranged at the end of the temperature control airflow inlet, and the temperature control airflow outlet is arranged to be an outer exhaust outlet. An air inlet end on the other side of the fan is provided with a vehicle air conditioner air inlet; the temperature control pipeline controls and adjusts the temperature of the hollow cavity through airflow circulation of an air conditioner, the temperature outside an automobile is effectively isolated, the temperature control pipeline adjusts the temperature of the hollow glass to be consistent with the temperature inside the automobile, condensed fog cannot be generated on the inner side of the hollow glass, and it is guaranteed that a front windshield is transparent, and the sight of a driver is clear; safety accidents can be avoided, energy is saved, and consumption is reduced.

The utility model discloses a noise reduction type low-temperature water chiller, relates to low-temperature water chiller technical field, including low-temperature water chiller host and noise reduction box group, low-temperature water chiller host outside is provided with movable frame group, and the bottom of movable frame group is equipped with base subassembly, noise reduction box group connects and installs on the edge of base subassembly, and the noise reduction box group is equipped with the base subassembly. A top plate assembly is installed on the top of the noise reduction box set, and an auxiliary door set is installed on the vertical face of the front side of the noise reduction box set. According to the noise reduction type low-temperature cooling-water machine, the noise reduction box set is used, the noise reduction effect can be provided for operation of the low-temperature cooling-water main machine to the maximum extent, meanwhile, the base assembly and the top plate assembly are used in cooperation, the noise reduction box set can be assisted to conduct sound insulation and noise reduction on the low-temperature cooling-water main machine, and effective structural protection can be provided; and in addition, under the operation of the first silent fan and the second silent fan, heat generated by the low-temperature water cooling main machine during operation can be dissipated as much as possible, so that normal operation of the device is guaranteed.

The utility model discloses a novel observation window for monitoring an optical coating machine, and relates to the technical field of optical coating machines. The film plating machine comprises a film plating machine body, an observation window body is arranged on the side face of the film plating machine body, the observation window body is provided with a frame body, two base plates are arranged in the frame body, tempered glass is arranged on the opposite sides of the two base plates, and silicon dioxide layers are coated between the tempered glass and the base plates. The base plate, the silicon dioxide layer, the tempered glass, the material containing groove, the ventilation piece and the like are arranged and used in cooperation, the closed cavity is formed between the two pieces of tempered glass and the base plate through the silicon dioxide layer, the cavity is filled with nitrogen, the silica gel particles are placed in the material containing groove, the silica gel particles adsorb moisture through the ventilation piece, and therefore the moisture absorption effect is achieved. And when the temperature in the coating machine body fluctuates, the phenomena of fogging and mould breeding cannot occur in the glass window, so that the transparency of the observation window body is ensured.

The invention discloses a high-aluminum transparent glass glaze, a method for preparing a glazed tile from the high-aluminum transparent glass glaze and the glazed tile, and relates to the field of new glass materials. The high-aluminum transparent glass glaze comprises a low-melting-point glaze and high-aluminum glass powder, wherein the mass ratio of the high-aluminum glass powder to the low-melting-point glaze is (33-42): (58-67); the low-melting-point glaze is prepared from quartz, sodium fluosilicate, kaolin, albite, potassium feldspar, wollastonite, talc, dolomite, calcite, barium carbonate and zinc oxide; the high-aluminum glass powder is prepared from silicon dioxide, aluminum oxide, magnesium oxide, calcium carbonate and tin dioxide. According to the glazed tile with the high-aluminum transparent glass glaze layer on the surface, the microscopic Vickers hardness of the glaze layer can reach 6.72 GPa to the maximum, the fracture toughness can reach 1.05 MPa.m < 1 / 2 > to the maximum, and the visible light transmittance can reach 92% to the maximum.

The invention relates to a common polystyrene transparent compatible toughening agent and a preparation method thereof, and the common polystyrene transparent compatible toughening agent comprises the following components by mass: 20-80 parts of common polystyrene; 10-50 parts of an acrylic elastomer; 1-5 parts of a functional group reactant; 0.01 to 1 part of a catalyst; 1-5 parts of a silane coupling agent; 0.5 to 5 parts of a lubricant; 1-30 parts of a plasticizer; and 0.1-1 part of an antioxidant. The modified polystyrene has the beneficial effects that after the modified polystyrene is directly added into common polystyrene (GPPS) for production and processing, the transparency and impact resistance of the common polystyrene (GPPS) can be considered, and the obtained modified polystyrene has certain guarantee on transparency and toughness.

The utility model discloses an industrial security inspection device, and belongs to the technical field of inspection. Comprising an inspection driving vehicle; the supporting rod is fixedly connected to one side of the inspection driving vehicle; the reciprocating screw rod is rotationally connected to one side of the inspection driving vehicle; the supporting rod piece is in transmission connection with the exterior of the reciprocating lead screw; the purification box is hinged to one side of the inspection driving vehicle; the scraping assembly is fixedly mounted outside the purification box; the extrusion rod is fixedly mounted at one end of the scraping assembly; and the extrusion cylinder is slidably connected to one side of the purification box. When the inspection driving vehicle is used for driving, the reciprocating screw rod is driven to rotate synchronously, so that the rotating reciprocating screw rod pulls the hinged purification box to swing back and forth along with the driving of the inspection driving vehicle under the action of the supporting rod piece; and in the reciprocating swing process of the purification box, an elastic limiting extrusion barrel on one side is driven to be in sliding extrusion fit with an extrusion rod, so that the extrusion rod drives a scraping assembly to circularly act, and a filter plate mounted on the surface of the purification box is automatically cleaned.