2185results about How to "Safe" patented technology

The invention discloses high-entropy alloy with the dispersion nano-sized precipitate strengthening effect and a preparing method thereof. The method comprises the steps of removing oxidized skin of a metal material, and then conducting weighing and burdening accurately according to a ratio; conducing smelting in an electric-arc furnace in an argon shield atmosphere of titanium absorbed oxygen to obtain an initial high-entropy alloy ingot, and conducting cold rolling, wherein rolling reduction is 20-50%; placing the ingot in a heat treatment furnace with a temperature ranging from 900 DEG C to 1000 DEG C for heat preservation for 0.5-2 hours, and conducting quenching; placing the ingot in a heat treatment furnace with a temperature ranging from 700 DEG C to 800 DEG C for heat preservation for 2-18 hours, and conducting quenching. By means of precipitation strength, on the premise that high plasticity is kept, yield strength and tensile strength are improved greatly. The room-temperature tensile strength of (FeCoNiCr)94Ti2Al4 in the final state reaches 1094 MPa, plastic elongation is 35%, work hardening effect is remarkable, comprehensive room-temperature mechanical property is prominent, high-temperature tensile strength can reach 400 MPa at the temperature of 800 DEG C and strain rate of 10<-3>, steady creep rate is smaller than or equal to 10<-8> under the stress of 100 MPa and at the temperature of 750 DEG C, and high-temperature tensile strength and creep mechanical property are excellent.

The invention relates to a method for preparing a carbon material with high specific surface area by using a metallic organic framework material as a template. The method comprises the following steps of: 1, synthesizing the metallic organic framework material template; 2, pre-treating the metallic organic framework material template; 3, introducing a carbon source into the metallic organic framework material template; 4, carbonizing the carbon source at a high temperature; and 5, removing the template. The method for preparing the carbon material with high specific surface area prepares the carbon material by adopting the metallic organic framework material as the template; the prepared carbon material has regular pore structure, uniform aperture distribution and good application value on the aspects of gas adsorption storage, industrial waste separation and the like; and the method has simple and feasible preparation process and good safety.

The invention relates to a method and a system for realizing service application safety. The system comprises first equipment and second equipment which can communicate with each other, and a service safety platform. The method comprises the following processes of: key filling, namely generating a first key and a second key which are matched with each other, wherein the first key is preset in the first equipment or is transmitted to the first equipment by the service safety platform; and the second key is stored and transmitted to the second equipment by the service safety platform; and key using, namely encrypting and decrypting interactive data based on the first key and the second key when the first equipment communicates with the second equipment. The invention also relates to encrypted transmission between terminal equipment and a service application system. The method and the system of the invention can improve the safety of service data transmission.

The invention discloses a mobile phone user identification card based on mobile payment multichannel digital certificate. The mobile phone user identification card based on mobile payment multichannel digital certificate comprises a card body and a card internal circuit which is integrated in a size space of the card body. The card internal circuit comprises a micro control unit (MCU) security chip. One or a plurality of digital authentication certificates are stored in the MCU security chip, and a digital certificate authentication processing module which is used for treating authentication processes of the digital authentication certificates is arranged in the MCU security chip. The car internal circuit further comprises a data link which is used for transmitting data of the digital certification processes. The digital certificate authentication processing module of the MCU security chip is connected with a mobile phone terminal through the data link and is connected with a third part certification mechanism through network resources of the mobile phone terminal in an online mode to conduct authentication of the digital certificates. The mobile phone user identification cared utilizes mobile payment which is conducted through the mobile phone terminal, is not limited to telecom operators and finance banks, but is mastered by a user, and achieves a goal of safely, rapidly and conveniently achieving the mobile payment of various consumption.

The invention discloses a smart safeguard fence, comprising a left upright post, a right upright post and a net fence between the left and right upright posts, wherein a vibration optical cable is arranged in the fence, two ends of the vibration optical cable are respectively connected with a tension sensor and a high voltage pulse module which are arranged in the upright posts, a passive infrared module, a wireless communication module, a microcontroller, a power source module and a storage cell are mounted further in the upright posts, the power source module comprises an energy conversion module, a smart power supplying switching module and a voltage varying and stabilizing module, cloud deck cameras are mounted at the tops of the upright posts, solar generating assemblies are paved at the outer faces of the upper parts of the upright posts, and the microcontroller is communicated with a monitoring center by the wireless communication module. Couplers are respectively arranged at the two upright posts, and a whole safeguard fence system is formed by connecting and inserting the couplers among multiple safeguard fences. The smart safeguard fence has the advantages of high alarming accuracy rate, strong video monitoring pertinence, good safe performance, energy and power saving, and the like.

The invention relates to a full-automatic intelligent cleaning device of photovoltaic power station modules, in particular to a high-efficiency dust-cleaning device for various long or short square photovoltaic modules of a large-scale photovoltaic power station. The full-automatic intelligent cleaning device of the photovoltaic power station modules comprises a cleaning car, an electromechanical braking system and an intelligent control system. The electromechanical braking system comprises a power supply unit, a support arm unit and a cleaning unit. The electromechanical braking system has the functions of cleaning and dust-cleaning with a plurality of degrees of freedom according to the surfaces of the photovoltaic modules. The intelligent control system comprises a perception unit, a processing unit and a remote control unit and can achieve full-automatic, real-time and remote controlled high-accuracy control of the cleaning car and a cleaning mechanism. The full-automatic intelligent cleaning device of the photovoltaic power station modules enables the cleaning device to be intelligentized, can carry out one-time high-accuracy dust-cleaning to the various long or short square under different road conditions, is safe, stable, reliable and full-automatic, and effectively solves the technical problems that cleaning is excessively dependent on manpower to supervise and the cleaning efficiency of the large-scale photovoltaic power station is low in the prior art.

The invention discloses a PD-1 gene recombinant virus. The collection number of the recombinant virus Lenti-PD-1-Puro is CCTCC No:V201601. According to the PD-1 gene recombinant virus, PD-1gRNA sequences are cloned into a retrovirus plasmid Lenti-CRISPR / Cas9-Puro, and a PD-1 recombinant virus plasmid Lenti-CRISPR / Cas9-PD-1-Puro is obtained; then the PD-1 recombinant virus plasmid Lenti-CRISPR / Cas9-PD-1-Puro, a plasmid pSPAX and pMD2.G are jointly transfected by 293T cells, and packaging of the recombinant virus Lenti-PD-1-Puro is completed. After T cells of peripheral blood of tumor patients are infected by the PD-1 recombinant virus, PD-1 on the T cells is successfully knocked out, the inhibitory state of the T cells of the tumor patients is relieved, the capacity of attacking tumor cells of the T cells embellished by the PD-1 recombinant virus is recovered accordingly, and the effect of immune cell treating is achieved.

The invention discloses a corrugated double-inner-cavity gas-powered flexible micro finger, a control method and a grabbing system. The corrugated double-inner-cavity gas-powered flexible micro finger comprises a double-inner-cavity gas-powered flexible micro finger body composed of two independent pneumatic half-corrugated hollow rubber tube half-fingers I and II which are symmetrically arranged. A thin sheet type bending tilt angle sensor making contact with the two half-fingers is arranged between the two half-fingers. The two half-fingers are provided with a gas inlet and outlet I and a gas inlet and outlet II respectively. The outer side of the top face of each independent pneumatic half-corrugated hollow rubber tube half-finger is a corrugated surface, the bottom face of each independent pneumatic half-corrugated hollow rubber tube half-finger is a horizontal plane, and the top face and the bottom face of each independent pneumatic half-corrugated hollow rubber tube half-finger are connected into a whole to form a hollow sealing cavity. The bottom faces of the two independent pneumatic half-corrugated hollow rubber tube half-fingers I and II are aligned with each other and then are pasted on the thin sheet type bending tilt angle sensor. The corrugated double-inner-cavity gas-powered flexible micro finger has the advantages of being low in cost, safe in cleaning, easy and convenient to install, good in flexibility, smooth in motion, low in noise and free of pollution, having mechanical performance similar to that of biological muscles, and the like.

The invention discloses a physiological parameter management monitoring system and method based on the internet of things. The system comprises a user terminal device worn on a tested object, a data center and a server for achieving physiological parameter management monitoring. The user terminal device is connected with the data center through a bluetooth transmission module in a data communication mode, and the data center is connected with the server through a wireless network in a data communication mode. Physical conditions of the tested object are detected and managed in real time through the internet of things, a physiological parameter sensor collects physiological data periodically and transmits the physiological data to the data center through the bluetooth transmission module, and the data is processed, handled, stored and transmitted to a mobile communication network to be managed and monitored by the server. According to the system and method, the device worn on the tested object is simple and low in cost and power consumption, can monitor the physical conditions of the tested object in real time and is intelligent and good in practicality.

The invention discloses a method for preparing a mercury-free catalyst for the synthesis of vinyl chloride by acetylene method. In the method, the active components of the catalyst are highly dispersed and bonded to the surface of the carrier by carrying out surface modification treatment on the catalyst carrier and applying ultrasonic loading technology. On the group, a firm load is formed in the internal pores of the carrier, so that while improving its catalytic performance and stability, it can greatly reduce the loading of the required active components and reduce the cost of the catalyst. The method is especially suitable for preparing supported noble metal catalysts. The supported noble metal catalysts prepared by the method of the present invention can reach and exceed the catalytic activity of the currently used mercuric chloride catalysts in the case of a very small amount of loading. And stability, has industrial application value, and is of great significance in environmental protection and promoting the sustainable development of my country's polyvinyl chloride industry.

The invention discloses a safe network intrusion detection system which is applicable to the virtual machine environment and includes a server inter-domain communication control module, an intrusion detection engine module, an intrusion response control module in the intrusion detection virtual machine, a client inter-domain communication control module, a domain spilt event detector module and a domain split response control module in the detected application virtual machines. According to the problem that the safety of the virtual machine system of the virtual machine needs to be improved; the current intrusion detection system cannot realize the purpose, the safe network intrusion detection system considers the layering structure of the virtual machine network sufficiently and realizes the intrusion detection protection of the virtual machine system in the internal network based on the virtual machine; the safety of the virtual machine applied in the production practice activities is improved; meanwhile, the separation of the intrusion detection system and the protected system is realized based on the separation safety property of the virtual machine; compared with the traditional network intrusion detection system, the safe network intrusion detection system has better safety and reliability.

The invention discloses a medical data platform based on the block chain technology. The medical data platform comprises a terminal, a server module, a data storage module and a block chain network. The terminal exchanges data with the data storage module and the block chain network through the server module. The server module comprises a communication server, an intermediate certificate server and a root certificate server and is used for processing data interaction between the modules and allocating certificates to the block chain network nodes. The data storage module comprises a medical information system and a distributed image database and is used for data storage. The block chain network comprises multiple institutional accounting nodes and multiple consensus nodes. The accounting nodes perform mutual data synchronization. The medical data platform based on the block chain technology has the advantages that the existing medical information is stored in the block chain shared account book so that all the medical institutions can share the medical information related to the patients, and the privacy protection function of the medical data can be realized by using the encryption algorithm and thus sharing of the medical data can be facilitated and the security of the sensitive information can also be protected.

The invention discloses permanent flame-retardant multifunctional fabric and a making method thereof and belongs to the technical field of protecting fabric and processing thereof. The permanent flame-retardant multifunctional fabric is formed by interweaving warp yarn and weft yarn. The permanent flame-retardant multifunctional fabric is characterized in that a raw material by which each of the warp yarn and the weft yarn is made is a mixture of high-temperature-resistant natural flame-retardant fibers and natural fibers or regenerated cellulose fibers, the high-temperature-resistant natural flame-retardant fibers account for 40-90% of the fabric, the natural fibers or the regenerated cellulose fibers account for 8-58% of the fabric, and antistatic filaments are woven in the warp yarn at intervals and account for 1-3% of the fabric. The permanent flame-retardant multifunctional fabric can permanently maintain ideal flame-retardant characteristics which do not decline with passage of time or increase of washing times, demonstrates high environment friendliness, breathability and wearing comfortability and has safety, and excellent antistatic performance can be guaranteed lastingly; processes are simplified, so that the above advantages of the fabric can be demonstrated comprehensively.

The invention provides a login method, a login system and a cloud server. The login method comprises the following steps that the cloud server receives a session request which is transmitted by a first terminal aiming at a preset address; the cloud server obtains first login session information between the cloud server and the first terminal; the cloud server generates a login two-dimensional code according to the first login session information and transmits the login two-dimensional code to the first terminal to display the two-dimensional code through the first terminal; the cloud server receives a login request which is transmitted by a second terminal after the second terminal resolves the login two-dimensional code, wherein the login request contains the first login session information; and the cloud server generates second login session information between the cloud server and the second terminal according to the first login session information, and transmits the second login session information to the second terminal. According to the method provided by the embodiment of the invention, the input cost in the user login process is reduced or even fully eliminated, the user experience is improved, and the rapidness, the security and the applicability are good.

The invention relates to a vehicle frame with full load, wherein the whole vehicle, via front surround skeleton, back surround skeleton, left surround skeleton, right surround skeleton, top cover skeleton and bottom support, forms one integrated frame, to improve the fastness of frame. Via each node, upright post, longitudinal beam, incline support, horizontal bema, bended beam, or plates, the front and back of frame are through, the upper and lower are through, and the left and right are connected to form a closed force loop; therefore, the force can be distributed to everywhere of frame, to be functioned uniformly and avoid supporting on one point; and the structure is formed by rectangle steel tubes whose strength is 3-6 times of common vehicle with reduced weight. With said invention, the deformation of impacted vehicle is minimum to protect passengers.

The invention discloses an unmanned aerial vehicle pseudo path planning method based on deep reinforcement learning, which comprises the steps of: dividing boundary coordinates of a no-fly area on a flight map and marking a start coordinate position and an end coordinate position of a flight task of an unmanned aerial vehicle; sensing the current environment state of the unmanned aerial vehicle before executing the flight task, and selecting a deflection angle and a flight action in the current environment according to an obtained Q function value by using a deep reinforcement learning algorithm; updating a Q function by the unmanned aerial vehicle according to reward return obtained by interaction between flight position data and the environment, wherein the flight position data is continuously received by the unmanned aerial vehicle in the flight process and is provided by ground base station transmitting equipment; judging whether the unmanned aerial vehicle flies according to a preset air route by using the no-fly area as a virtual barrier in the flight process; and if the unmanned aerial vehicle approaches the edge of the no-fly area, guiding the unmanned aerial vehicle to plan a pseudo navigation path through a reward function so as to avoid the no-fly area. The unmanned aerial vehicle pseudo path planning method of the invention realizes the pseudo path planning of the unmanned aerial vehicle in an unknown environment, and improves the intelligence and the safety of the flight of the unmanned aerial vehicle.

The invention provides a wireless video monitoring system, which comprises a video monitor, an authentication server and a monitoring terminal, wherein the video monitor is connected with an alarm sensor; the alarm sensor is used for detecting a monitored location under the starting state, and an alarm signal is generated if abnormal information is detected; the video monitor comprises an acquisition module, an association module, an announcement module, a memory card video recording module and a response module; the authentication server comprises a registration module and an authentication module; and the monitoring terminal comprises an alarm configuration module, a starting module, a link module, a wireless communication module and an operation module. The invention can enhance the safety of data, lower the requirements on the server, reduce the load of the server, and effectively improve the safety of system and communication.

The invention discloses an antimicrobial polycarbonate plastic and a preparation method thereof. The antimicrobial polycarbonate plastic comprises the following components in parts by weight: 100 parts of polycarbonate, 0.3-0.5 part of antimicrobial agent and 0.2-0.4 part of dispersant. The antimicrobial agent is one or mixture of nano titanium dioxide, nano silver oxide, polyhexamethyleneguanidine phosphate and N-(trichloromethylthio)phthalimide. The antimicrobial polycarbonate plastic disclosed by the invention can be easily processed into various shapes of interior ornaments of automobiles by an injection molding technique. The antimicrobial polycarbonate plastic disclosed by the invention has strong effects of bacterium control and killing and mold resistance.

The invention provides a method and a system for logging in through a mobile terminal, and a cloud server. The method comprises the following steps that the cloud server receives a mobile number and an identification code transmitted by the mobile terminal according to the login command of a user; the cloud server judges whether corresponding account information exists according to the mobile number and the identification code; if the corresponding account information does not exist, the cloud server verifies the mobile terminal and generates account information according to the mobile number and the identification code after pass of verification; and the cloud server generates login session information for the user according to the account information and transmits the session information to the mobile terminal. According to the method in the embodiment of the invention, the input cost in a user login process is reduced and even eliminated, and the user experience is improved; and the method has the advantages of rapidness, safety and applicability.

The invention discloses a road traffic network emergency evacuation route generation method based on the Internet of vehicles. The method involves a vehicle-mounted device, a roadside device, a network background server device and a vehicle emergency evacuation route decision making model. A wireless data communication module of the vehicle-mounted device broadcasts vehicle information to the roadside device through a wireless network, the roadside device performs statistics on the vehicle information of the road section and the local road network region, and the vehicle information is transmitted to the network background server in a wired data communication mode; a multi-target vehicle emergency evacuation route optimal decision making model is established and resolved by a vehicle emergency evacuation route planning module of the network background server with the minimum evacuation total travel distance, the minimum evacuation travel time and the minimum road section congestion probability as the targets, and an optimal route is obtained to guide vehicles in a dangerous region to be evacuated to a safe region. The road traffic network emergency evacuation route generation method based on the Internet of vehicles has the advantage that a real-time, safe, reliable and efficient emergency evacuation route can be provided for vehicles in the road traffic network.

The invention discloses a method and a system for protecting a condition privacy of an internet of vehicles based on certificateless batch verification. The method comprises the following steps: a key generation center KGA and a track authentication center TRA jointly generate a master key and a system parameter of the internet of vehicles; according to the system parameter and vehicle user real identity information, the TRA generates a pseudonym identity of a vehicle user; the KGC generates a partial private key of the vehicle user; the vehicle user generates an own key; the vehicle user signs a message; an RSU carries out verification on a signature; and the RSU carries out the batch verification on the signature. According to the method and the system disclosed by the invention, by adopting a certificateless cryptography system, the unsolvable inherent certificate management problem and the certificate maintenance problem in the traditional public key cryptography system are effectively solved; and meanwhile, the key escrow problem caused by an identity-based cryptography system is also avoided; by adopting a batch verification technology, the signature verification efficiency in the internet of vehicles is improved; and in the internet of vehicles, the key generation center KGA and the track authentication center TRA are adopted to realize the condition privacy protection on the internet of vehicles.

The present invention discloses a system and a method for logistics financing management based on a block chain technology, and relates to the technical field of logistics financing management. The system comprises a block chain ground floor platform which is in information interaction with a credit reference system, a supervision system, a service platform and an Oracle prediction machine througha data transmission and storage module; the credit reference system is connected with a bank credit reference system, an ant credit reference system and an individual credit reporting system; and theservice platform performs data transmission with the terminal device through the data transmission module. The system and the method for logistics financing management based on the block chain technology utilize the effects of the block chain ground layer platform, the credit reference system, the supervision system and the service platform to solve the problems that current loan principal and interest recovery risk are high, the information of a loan market is not opaque, the information of the lower-cost and safer fund is difficult to obtain and a supervision means is lack to go against local economic development.

The invention relates to an inherent safety tube-pool type nuclear reactor for research. The cooling-water main pump and the after-heat deriving pump of the reactor are set at back of the main heat-exchanger and connected in parallel in the main circuit room. The after-heat heat-exchanger is fitted in the water pool of the reactor. The main circuit room is provided at upper part of the water pool and at the bottom of the main circuit room there is a pipeline communicated to the under-water part of the water pool. At the inlet and the outlet of the reactor core is respectively provided with a hydraulic control open-close valve communicated with the water pool of the reactor. When the main pipeline occurs water-loss fault, water in the main circuit room can return to the water pool. At same time, as the pressure in the reactor container is low, the hydraulic control open-close valves at inlet and outlet of the reactor core automatically opens. When the after-heat deriving pump occurs fault, the inlet-outlet hydraulic control open-close valve is opened by a signal of high reactor-core temperature to make the reactor core and the water pool form a natural circulation to derive the after heat of reactor core into the water pool of the reactor.

The invention discloses a green mud crab antibacterial peptide Sphistin and application thereof, relates to the technical field of genetic engineering of crustaceans, and provides the green mud crab antibacterial peptide Sphistin and the application thereof. A molecular formula of the green mud crab antibacterial peptide Sphistin is C170H293N61O46S1 and molecular weight of the green mud crab antibacterial peptide Sphistin is 3,959.61 Dalton. The antibacterial peptide Sphistin consists of 38 amino acids, is derived from a part of sequences at end N of green mud crab histone 2A protein and is apolypeptide with an antibacterial function. By adopting the conventional solid-phase chemical synthesis method, the green mud crab antibacterial peptide Sphistin with purity of over 95 percent can beobtained. The green mud crab antibacterial peptide Sphistin has an obvious antibacterial effect on various gram negative bacteria and gram positive bacteria, has a broad antibacterial spectrum and high sterilization rate, shows extremely high medical value and is excellently applied to preparing antibacterial agents.

The invention provides a multi-functional seat belonging to the field of daily living goods, which solves the problem that the existing seat is difficult to be fit for different fat and thin users because the lateral wings on the backrest of the existing seat are fixed with the backrest to cause the space between two lateral wings to be relatively fixed. The multi-functional seat comprises a base, a seat board and the backrest, wherein the seat board can lift up and down; the backrest can rotate forwards or backwards and comprises a backrest framework and a back pad; two sides of the backrest are respectively provided with one lateral wing; each side wing comprises a strutting piece connecting with the backrest framework and a soft interlayer coated outside the strutting piece; the two strutting pieces are both vertically hinged on the backrest, the hinged part of the two strutting pieces is provided with an adjusting device capable of enabling the two strutting pieces to rotate simultaneously around respective hinged part along opposite directions and positioning the two strutting pieces. In the invention, the two lateral wings can rotate right and left simultaneously at opposite directions, so that the space at the opening of the two lateral wings can be enlarged or decreased, and the seat can be suitable for different fat and thin users to take, thus achieving the purpose of safe taking and having comfortable sensation.

The invention relates to fully-nutrient meal replacement maltose capable of invigorating the stomach and a preparation method of the fully-nutrient meal replacement maltose, and belongs to the technical field of a functional food. The fully-nutrient meal replacement maltose comprises the following raw material components in percentage by weight of 10-45% of brown rice, 0-40% of millet, 0-40% of black rice, 3-16% of corn, 3-10% of sorghum, 3-10% of oat, 3-15% of tartary buckwheat, 3-20% of red beans, 0-15% of black beans, 0-15% of mung beans, 3-15% of lotus seeds, 0-10% of poria cocos, 3-15% ofChinese yams, 10-45% of inulin, 0-1% of complex vitamins, 0-5% of composite mineral substances, 0-15% of hericium erinaceus, 0-5 % of cordyceps militaris, 0-10% of pea protein, 0-10% of oat fibers and 0-5% of konjac powder. The meal replacement maltose is rich in various grain coarse cereals, superior dietary fibers, vegetable protein, vitamins, minerals, hericium erinaceus and the like are added, so that the fully-nutrient meal replacement maltose is pleasant in mouth feel, rich in nutrition and convenient to carry and eat.

The invention relates to self-forming glaze white jade porcelain pug and a manufacturing method of a porcelain pug product. The self-forming glaze white jade porcelain pug comprises the followings in percentage by weight: 13 to 21 percent of kaoline, 14 to 20 percent of feldspar, 2 to 7 percent of bentonite, 38 to 47 percent of quartz, 11 to 16 percent of wollostonite and 7 to 11 percent of calcite power. The manufacturing method provided by the invention comprises the steps of sparring, slurrying and the like. The method has the benefits as follows: traditional two-step firing is changed to be one-step firing, energy consumption is lowered, carbon discharge capacity is reduced, processes of glaze making and glazing are removed, the discharge capacity of three wastes is reduced, human resources are saved, the dissolving-out amount of heavy metals such as lead and cadmium and the like carried into glaze is reduced, the porcelain pug is glittering and translucent, like jade, and the section of the porcelain pug has no arrises and is shell-shaped. The porcelain pug product prepared by the invention is green, environmental-friendly and safe, can be used as dishware porcelain, daily porcelain, art porcelain, decorative porcelain, porcelain for lighting tools and the like in the ceramic industry.

The invention provides a wireless video monitoring system, which comprises a video monitor, an authentication server and a monitoring terminal, wherein the video monitor comprises an acquisition module, an association module and a video processing module; the authentication server comprises a registration module and an authentication module; and the monitoring terminal comprises a starting module, a logging module, a link module and a communication module. The invention can lower the requirements on the server, reduce the load of the server, and effectively improve the safety of system and communication.