32results about How to "Security security" patented technology

The invention discloses a firewall combined strategy and cloud service safety protection. The problem about the existing firewall coarseness safety protection is to be solved. The technical scheme keypoint comprises the following steps: taking a virtual cluster as a unit to provide a safety protection module for safety protection in a unified way, wherein the safety protection module comprises aunified safety gateway, a firewall combined strategy and the central management. The firewall combined strategy and cloud service safety protection disclosed by the invention has the advantage of providing safer protection.

The invention, which belongs to the information security field, discloses a fingerprint USB KEY and a fingerprint center server for identity authentication, and a system and method. The system comprises a fingerprint center server and a fingerprint USB KEY. A screen of the fingerprint USB KEY is pressed to carry out fingerprint collection; the collected fingerprints are transmitted to the fingerprint center server and are compared inside the fingerprint center server; when a comparison result of the fingerprint center server is correct, a digital certificate instruction for invoking the fingerprint USB KEY is sent to the fingerprint USB KEY. According to the invention, identity authentication is carried out by network fingerprint comparison and the network fingerprint authentication and the PKI system digital certificate authentication are independent of each other and are also associated with each other, so that the system security is substantially improved.

The farmland in the countryside will be concentrated on a certain scale in the form of collective shares or contractual contracts, The planting, breeding, production and processing, packaging and anti-counterfeit identification code printing of the whole farm are all carried out under monitoring, and broadcasted to the consumers through the network software platform, which can be sold on the software platform and delivered to the consumers by express delivery, and can also be purchased directly from the special off-line direct-sale store; each product purchased by the consumers, can let consumers to inquire about its production process and identify the true and false in its validity period through the anti-counterfeit identification number, so that consumers are more at ease. Depending onthe size of the farm environment, in addition to providing basic agricultural products, it can also be carried out: pastoral tourism, farmland life experience, farmland rental and customized farming and breeding services to better meet consumer needs.

The invention relates to an automobile remote-control method which comprises the following steps: an audio-visual apparatus which can view road conditions outside a remote-control automobile and hear sounds outside the remote-control automobile is arranged in the remote-control automobile, signals received by the audio-visual apparatus are transmitted to a concentrated point of a driving simulation chamber by radio waves, a driver at the concentrated point acts the same action as that in an automobile at other times in the driving simulation chamber according to image information transmitted from the remote-control automobile, and the operation signals are transmitted back to the remote-control automobile by the radio waves so as to remotely control various operations of the remote-control automobile. The automobile remote-control method is characterized in that a large area which is possible reached by the remote-control automobile is provided with a plurality of areas, control signals between adjacent areas are provided with an intersection area, when the remote-control automobile drives from the intersection area of a front area to the intersection area of a next area, a GPS server sends signals to transmit the control of the remote-control automobile from the driving simulation chamber of the front area to the driving simulation chamber of the next area, so the transmitting distances of the radio waves are very short, and images viewed by the drive in the driving simulation chamber is similar to real-time images, thus the invention enhances the safety of the remote-control automobile.

The invention relates to a quickly-built steel springboard and a method for preparing the quickly-built steel springboard. The quickly-built steel springboard comprises a bearing face plate and longitudinal beams, wherein the longitudinal beams are located on the two sides of the bearing face plate and fixedly connected with the bearing face plate. The longitudinal beams are approximately of a shape of a right square bracket. Each longitudinal beam is provided with two horizontal end faces and a vertical end face, the bearing face plate is composed of a plurality of strip metal blocks of a box-shaped structure, a plurality of hollow protruding holes are formed in the upper end face of the bearing face plate in a homodisperse mode, and the bearing face plate is fixed in concave parts of the longitudinal beams of the shape of the right square bracket.

An embodiment of the present invention discloses a network security management method and terminal, wherein the method comprises: sending a first acquisition request to a server from the terminal; receiving the first network accessing information and the second network accessing information returned by the server according to the first acquisition request wherein the first network accessing information is network accessing information stored in the server and generated by the network accessing operation of the server under the network to be tested according to a preset network address and the second network accessing information is network accessing information stored in the server and generated by the network accessing operation of the server in a preset security network according to a preset network address, the internet accessing information including accessing scripts and accessing links; and matching and analyzing the first network accessing information and the second network accessing information to determine the security of the network to be tested. According to the embodiment of the invention, a user can choose to be connected with a security network according to his or her requirement, therefore, ensuring the security of accessing a network.

The invention discloses a PostgreSQL block. The PostgreSQL block is the minimum unit allocated to a data table in a PostgreSQL database system, and the storage capacity of the PostgreSQL block is larger than 4 KB; the storage capacity of the PostgreSQL block is a positive integer multiple of 8 KB; the storage capacity of the PostgreSQL block is a product of 8KB and 2 to the Nth, wherein N is a natural number; the storage capacity of the PostgreSQL block is 1 MB, 2 MB, 4 MB, 8 MB, 16 MB, 32 MB, 64 MB, 128 MB, 256 MB, 512 MB or 1024 MB. The query speed and the read-write speed can be greatly increased and can be increased at the rate of 10%-20% under the same rear-end storage condition; data of the database can be safer: the data are stored in a block device according to established rules and are safer in terms of security; with the adoption of distributed storage, the data can be stored in a fragmentation manner and stored in multiple different data nodes and are a hundred times safer than data stored in a single magnetic disk in terms of security; database services and data separation are realized.

The invention provides an elastic-resistance mechanical braking device which comprises a casing, a ratchet gear, a ratchet ring, a planet transmission system and a controlling device. The planet transmission system is assembled in the casing, the ratchet gear is assembled on a planet inner gear ring of the planet transmission system, a ratchet combined ring is wrapped on a gear edge of the ratchet gear and connected with the controlling device, and lubricating oil is filled in a cavity of the casing. The elastic-resistance mechanical braking device has the advantage that the mechanical braking device can generate linear resistance to a running locomotive and can realize stepless speed adjusting, soft starting, soft parking, overload protecting and multipoint driving power balancing.

The invention relates to a metallized safety film made by laminating and winding double-sided metallized film, the metallized thin film layer comprises a base film and a fully metallized conductive layer arranged on the base film, One side of the base film is provided with a reserved edge region, and the side opposite to the reserved edge region, of the base film is provided with a thickened region. The thickened region and the all-metallized conductive layer are spaced apart by an isolation region, and a conductive grid region is arranged on the upper part of the all-metallized conductive layer near the thickened region. Compared with the existing double-layer safety film winding, the utility rate of the base film is improved by 2.5%, the safety performance is improved, the high square resistance all-metallized conductive layer improves the self-healing property, the voltage resistance is high, the ripple resistance is strong, and the service life is long under the condition of the same safety performance.

The invention provides a device for tightening fasteners. The device for tightening the fasteners comprises a tightening assembly and a sleeve. The tightening assembly comprises a tightening shaft and a fixing piece, a limiting piece which is matched with the fixing piece is arranged on the outer wall of the sleeve, and the sleeve can be detachably mounted on a tightening shaft through mutual matching of the fixing piece and the limiting piece. The screwing assembly comprises a sleeve connecting tool which is fixed on the tightening shaft, the sleeve connecting tool comprises a driving mechanism which comprises a driving output piece, and the driving output piece is provided with the fixing piece. Under driving of the driving mechanism, the driving output piece can drive the fixing piece to be in butt joint with the limiting piece and to be disengaged from the limiting piece. The invention further provides the tightening assembly and the sleeve connecting tool in the device for tightening the fasteners.

The invention discloses an automobile safety belt reminding device, which mainly comprises a contact switch and electric wires. The contact switch is fixedly arranged in a safety belt lock catch, and connected in series with a storage battery, a starter and an ignition switch through the electric wires. When a safety belt lock head is separated from the lock catch, the circuit is disconnected, and the starter cannot be started; and when the safety belt lock head is blocked into the lock catch, the contact switch is switched on so as to connect the circuit to start the starter; therefore, the device plays a good role of reminding.

The Chinese medicine for treating vascular dementia is prepared with 12 kinds of Chinese medicinal materials including gastrodia tuber, hooked uncaria, abalone shell, eucommia bark, parasitic loranthus, etc. and through extracting the effective components, and preparing the extractives into granule, capsule, tablet and other proper forms. The Chinese medicine for treating vascular dementia has the functions of calming the liver, suppressing the sthenic Yang, and invigorating liver and kidney and thus has excellent curative effect.

The invention discloses a sensitive data security protection method and system based on a shadow system. The sensitive data security protection method comprises the steps: transmitting a shadow systemuser read / write request o a real data access system; by the real data access system, identifting whether the request data is sensitive data or common data; for common data, directly returning a result; for the sensitive data, encrypting the sensitive data, and determining the permission of the user; if the sensitive data access permission does not exist, refusing the user to access the sensitivedata; if only the sensitive data reading permission exists, returning a shadow page address of the sensitive data to the shadow system; and if the sensitive data read-write permission exists, openinga trusted security area of the sensitive data, and responding to the shadow system. The invention further discloses a response system. According to the technical scheme, the security of the sensitivedata is improved based on the shadow system.

The invention relates to the field of webpage processing technology and discloses a webpage quick loading architecture. The architecture comprises an automatic front-end resource management module, awebpage code fragmentation module, a server monitor, a code generation module, a component management module and a Shiro permission engine, wherein a file code block performs fragmentation on loaded page resources. According to the architecture, client resources are managed, and the problems that in increasingly rich webpages, the more content appears, the more plug-in resources are cited, the webpages are in crash, a memory is consumed continuously, consequently, resource management is difficult, and resources are cited disorderly are solved; and webpage performance is enhanced, and more high-load webpage functions are achieved; page loading speed is increased, the browser loading mode is changed, repeated citation of unnecessary script resources, style resources, etc. is reduced, therefore, webpage resource display speed is increased, and server performance is improved.

The invention relates to an observation window device arranged on a tunnel boring machine (TBM). The outline of the observation window is a disc; the observation window successively comprises a glass cover, lenses, a blank cap and a safety plug from front to back, and the periphery thereof comprises a base board flange, a positioning flange, a supported flange, a sheath and a strengthening ring. The base board flange is a hollow flange ring and is in combined welding with a cabin door by using the cabin door as a base; the glass cover, lenses, the blank cap, the safety plug, the positioning flange and the supported flange are coaxially installed and fixed by screws; and all joints are sealed by rubber gaskets and the like. The device applied on a shield machine is special equipment established for observing the state of the structure of the soil body in a soil chamber before builders need to enter the soil chamber to manually remove barriers and replace tools, and judges whether opening the door and entering the chamber is safe or not according to the observed soil body in the soil chamber so as to prevent disasters for the operating personnel entering the chamber and the whole construction site caused by collapse, onrush water, onrush sand and the like of an excavation face. The device has simple structure and easy use.

The invention discloses a system, a method and a device for near-end maintenance authentication in the Internet of Things. The system for establishing near-end maintenance authentication in the Internet of Things comprises a remote security center, a near-end maintenance terminal and maintained equipment, when the maintained equipment is online, the maintained equipment interacts with the remote security center, and the remote security center manages near-end authentication information of the maintained equipment; and when the maintained equipment is not online, the near-end maintenance terminal performs bidirectional authentication with the maintained equipment based on the near-end authentication information. Thus, the maintained equipment is timely synchronized with the remote security center when being online, the remote security center sets and manages the near-end authentication information, and authentication between the near-end maintenance terminal and the maintained equipment is realized based on the near-end authentication information before near-end maintenance is required, so that when the maintained equipment is maintained at the near end, safe and reliable security authentication is carried out.

The invention discloses a chip piezoresistor and a manufacturing method thereof. The chip piezoresistor comprises a piezoresistor chip, a lower electrode, an upper electrode and a potting body. The piezoresistor chip, the lower electrode and the upper electrode are encapsulated through epoxy resin through the potting body to form an integrated structure. The upper and lower surfaces of the piezoresistor chip are respectively provided with an upper sliver film and a lower sliver film. The lower electrode comprises a lower connecting surface, a lower inclined surface and a lower welding surface.The upper electrode includes an upper connecting surface, an upper inclined surface and an upper welding surface. The upper silver film and the upper connecting surface are fixedly connected. The lower silver film and the lower connecting surface are fixedly connected. The manufacturing method comprises preparing a Z-shaped upper electrode and a lower electrode from tinned metal sheets through amechanical mold, connecting the piezoresistor chip to the upper electrode and the lower electrode through soldering and carrying out sealing through encapsulation. The manufacturing method can producethe chip piezoresistor, solve the laminating defects of the piezoresistor, improve the production efficiency and reduce a cost.

The invention discloses a lightweight attachment joint convenient to assemble and lift, and belongs to the technical field of hoisting machinery. The attachment joint is a cuboid frame composed of four identical vertical chord members, an upper layer of transverse web member set, a middle layer of transverse web member set, a lower layer of transverse web member set and vertical web member sets, wherein the upper layer of transverse web member set, the middle layer of transverse web member set and the lower layer of transverse web member set are hinged to the vertical chord members, and the vertical web member sets are arranged between every two adjacent vertical chord members and between every two adjacent layers of transverse web member sets. A plurality of layers of horizontal reinforcing web member sets are arranged in an inner cavity of the upper half section or the lower half section of the cuboid frame in a hinged mode, and vertical reinforcing rib plates are arranged on the inner side faces of the upper half sections or the lower half sections of the four vertical chord members. Each horizontal reinforcing web member set is a cross-shaped horizontal supporting frame formed in the mode that the near ends of four horizontal inclined supporting rods are hinged together through near-end connecting plates and hinged bolts, and the far ends of the horizontal inclined supporting rods are hinged to the upper half sections or the lower half sections of the corresponding vertical chord members through far-end connecting plates and hinged bolts. The lightweight attachment joint is low in weight, low in material consumption, low in cost, large in attachment point rigidity, capable of effectively reducing welding and convenient to assemble rapidly and lift safely.

The invention discloses a steam jacketed kettle which comprises a kettle body structure, a heating structure and a heat insulation structure, wherein a left kettle shaft is arranged on one side of the kettle body structure, the left kettle shaft is hollow and communicated with the kettle body structure, the heating structure comprises a steam pipe, a stop valve, a safety valve, a compression nut and a rotary joint, the stop valve and the safety valve are arranged on the steam pipe, a steam inlet is formed in one end of the steam pipe, and the other end of the steam pipe is connected with the rotary joint; the rotary joint is plugged into the left kettle shaft, the rotary joint is sleeved with the compression nut, and the compression nut is in threaded connection with the left kettle shaft; the heat insulation structure comprises a heat insulation shell and heat insulation cotton, the heat insulation shell covers the kettle body structure, and the heat insulation cotton is arranged on the side face, facing the kettle body structure, of the heat insulation shell. The steam jacketed kettle is high in heating efficiency, high in heat insulation capacity and safe and reliable to use.

The present invention relates to a method and device of inserting a coated electric heating wire (6) into a hot water tube (2) and to an apparatus for a sealing plug mounted at an end (1a) of said hot water tube (2). An end of a hot water tube (2), normally laid out in a zig-zag form under the floor of a room to be heated, is pipe-fitted to an outlet tube (3a) of a pump (3c) through a guide tube (2A). Said coated electric heating wire (6) is inserted through a guide hole (2h) with a 20˜30 degree slant to the guide tube (2A) and is connected to a ball-type guide member (5). The ball-type guide member is inserted into said hot water tube (2) in such a way as to achieve effective sealing of the interior sectional area of said hot water tube, and then a 10˜20 kg / cm2 water pressure generated by the pump (3C) is applied in the direction of shaft center of the hot water tube to push forward the ball-type guide member (5) all the way up to the other end of the tube line, carrying with it the electric heating wire (6) through the inside of the long hot water tube (2). Using a sealing apparatus mounted at the end (1a) of the hot water tube (2) in which a power line (e1, e1′) and an electric heating wire (6, 6a) are coupled inside the wire channel (1h′), a sealing plug (1) in which a coated power line is placed is inserted into a plug (2) connecting the hot water tube. Then a crown nut (4) and a cap (5d) are connected and a temperature sensor (2S) is attached to a side of the hot water tube, the end (1a) of which is sealed with the sealing plug (1) so that electric power can be supplied to the electric heating wire (6, 6a) through the power line (e1, e1′).

The invention discloses a steam jacketed kettle which comprises a kettle body structure, a heating structure and a heat insulation structure, wherein a left kettle shaft is arranged on one side of the kettle body structure, the left kettle shaft is hollow and communicated with the kettle body structure, the heating structure comprises a steam pipe, a stop valve, a safety valve, a compression nut and a rotary joint, the stop valve and the safety valve are arranged on the steam pipe, a steam inlet is formed in one end of the steam pipe, and the other end of the steam pipe is connected with the rotary joint; the rotary joint is plugged into the left kettle shaft, the rotary joint is sleeved with the compression nut, and the compression nut is in threaded connection with the left kettle shaft; the heat insulation structure comprises a heat insulation shell and heat insulation cotton, the heat insulation shell covers the kettle body structure, and the heat insulation cotton is arranged on the side face, facing the kettle body structure, of the heat insulation shell. The steam jacketed kettle is high in heating efficiency, high in heat insulation capacity and safe and reliable to use.

The present invention provides a preparation method of a rhinal ion sensitive in situ gel. The ion sensitive in situ gel prepared by the method is high in content of effective components, and less in use of gel material, can smoothly reach the rhinal olfactory area, is not easy to be clear by nasal cilium, extends the retaining time of drugs in the nasal mucosa, significantly improves trans olfactory mucosa transport of gardenia iridoid extract, increases the bioavailability of the drugs, can effectively protect the ischemic brain tissue, can improves learning and memory capability, and is free of obvious toxic and side effects on nasal mucosa and safe to use.

The invention relates to a quick-fit steel springboard and a preparation method thereof, comprising a load-bearing panel and longitudinal beams fixedly connected to the load-bearing panel on both sides of the load-bearing panel, the longitudinal beam is roughly formed in a "]" shape, and has two a horizontal end surface and a vertical end surface; the bearing panel is composed of several pieces of strip metal formed into a box-shaped structure, and several hollow convex holes are uniformly dispersed on the upper end surface; the bearing panel is fixed on the In the recessed part in the stringer of "]" shape.

The invention discloses a hemostatic agent, composed of the following raw materials by weight parts: rhizome of Chinese paridis 35-45 weight parts, Carbonized Human Hair 20-30 weight parts, radix sanguisorbae 30-40 weight parts. The hemostatic agent has features of special good hemostasia effect, strong anti-inflammation efficiency, low cost, good safety, sterility, no-pyrogen, no cytotoxicity, no allergic reaction and no skin irritation.