640results about How to "Good security" patented technology

The invention relates to a method for setting up a short-range wireless data transmission connection between a first and a second device. The method comprises conducting a set up stage to transmit set up information from the first device to the second device, and using said set up information in the second device to set up the connection between the first device and the second device. The set up stage comprises forming an acoustical signal including said set up information and transmitting said acoustical signal from the first device to the second device. The invention also relates to a communication system, a device, a module and a computer program product in which the method will be applied.

The invention discloses a method for realizing the intelligent tour-inspection of a power tower based on a miniature multi-rotor unmanned helicopter, and belongs to the technical field of tour-inspection of transmission lines. The method comprises the following steps of: tower modeling, inspection viewpoint planning, autonomous navigation, data acquisition and failure analysis, wherein the tower modeling step comprises a data acquisition process, a tower positioning process, a security zone division process and a security zone evaluation process; the inspection viewpoint planning step refers to a process of solving an optimal observation viewpoint according to related constraint conditions; the autonomous navigation step comprises a basic navigation sub-step and an accurate navigation sub-step; the data acquisition step refers to a process of transmitting related data back to a ground station by using the miniature multi-rotor unmanned helicopter; and the failure analysis step refers to a process of performing analysis, judgment and diagnosis according to the data transmitted back to the ground station by tour-inspection and decision making personnel. The method has the advantages of high safety, detection accuracy, tour-inspection efficiency and flexibility, low cost and high operability.

An electrical connector for connecting a multi-contact medical electrode device with a plural-contact tail. Having a tail-receiving first elongate member with a tail-receiving void and a second elongate member. The second elongate member has a nesting surface and an array of electrical conductors which are spring-loaded pin plunger devices. The spring-loaded pin plunger devices having movable pins that project into the tail-receiving void. The second elongate member also having at least one canopy extending from the nesting surface and over a respective electrical conductor, the canopy being configured for snap-engagement with the notch whereby the canopy holds in place the respective linear-array plural-contact tail through locking frictional engagement.

The invention relates to a method of the computer information security, and comprises the following steps that: firstly, journal log is carried out to a system; secondly, whether a program behavior relates to a protected file is judged, if yes, the running is prohibited or limited according to protection rules, if no, whether a sensitive file which tries to modify the system security exists is judged; thirdly, if the sensitive file which tries to modify the system security does not exist, the step two is continuously run; fourthly, if the sensitive file which tries to modify the system security exists, an automatic backup of the original document is started, and the fifth step is carried out, if the sensitive file which tries to modify the system security does not exist, the step two is repeated; fifthly, the sensitive file of the system security is allowed to be modified; sixthly, a vicious procedure is analyzed and recognized through a running journal log created in the first step; seventhly, if the vicious procedure is an illegal program, the illegal program is deleted, and the eighth step is carried out, if the vicious procedure is not the illegal program, the step two is repeated; eighthly, a restoration is carried out through the running track of the illegal program.

The invention relates to a biodegradable medical human body cavity channel inner bracket and a preparation method thereof. The biodegradable medical human body cavity channel inner bracket is prepared by performing crosswise weaving and surface coating treatment on a single or a plurality of degradable magnesium alloy long wires, and very high flexibility, so that the stimulation and damages of the bracket on the inner walls of the blood vessels and esophagi are lowered to the maximum extent; the bracket can be degraded and absorbed by a human body after operation and healing, so that the problem of endotheliosis restenosis caused by long-time existing of a non-degradable bracket in vivo is solved; due to the adoption of a surface degradable ceramic coating and a high-polymer film dual-protection layer, the corrosion resistance of the magnesium alloy wires can be effectively improved, and the degrading speed of the magnesium alloy wires is controlled; carried medicaments have long-term treating effects through slow release; the problem of difficulty in X-ray development of a light metal magnesium alloy is well solved through a carried developing agent; and the biodegradable medical human body cavity channel inner bracket can be used for expanding and supporting human body inner tube cavity channels such as narrow blood vessels, esophagi, bile ducts, intestinal tracts or urethrae and the like, and belongs to the technical field of manufacturing of medical instruments.

The invention discloses a key updating method for switching a base station eNB in a long term evolution (LTE) system. The method comprises the following steps of: after a target eNB receives a switching request message of a source eNB, transmitting an NCC (Network Control Center) carried by the switching request message to an MME (Mobility Management Entity); progressively increasing the received NCC by the MME for carrying out NH synchronization for the first time; progressively increasing the received NCC once again for carrying out NH synchronization for the second time; returning results of the twice NH synchronization and a corresponding NCC to the target eNB; calculating KeNB* by the target eNB according to the result of the NH synchronization for the first time; and updating the KeNB according to the KeNB* and deducing RRC (Radio Resource Control) and UP keys. The invention also discloses an eNB in the long term evolution (LTE) system, an MME and the long term evolution (LTE) system. The invention can have forward safety of one hop during updating keys, and in the view of a user, the invention provides better security guarantee on the basis of not reducing the operation efficiency.

The present invention discloses a power battery management system and method with control and protection functions. The present invention includes a multi-functional detection plate; a multi-parameter fuzzy-processing module for making fuzzy processing, membership grade calculation, fuzzy inference and subsumption and working out the fuzzy processing of the detection signals output by the multi-functional detection plate in turn as well as judging the present operational state of the vehicle system; a battery control management module for sending the detection signals from the multi-functional detection plate into the multi-parameter fuzzy-processing module and issuing a control order in accordance with the judged results of the multi-parameter fuzzy-processing module; a controller circuit for implementing the control order issued by the battery control management module. The system provided by the present invention not only aims at the serious and clear vehicle system faults by starting up an automatic system protection mode through a quick treatment module, but also makes fuzzy judgment and implements the corresponding control to critical situations of imminent failures, minor faults and other uncertain situations.

The invention provides a platform and method for e-government affair comprehensive application and relates to the field of encryption-related e-government affair platforms. The platform comprises an infrastructure layer used for utilizing a unified authentication and authorization center, an information resource layer used for managing various service databases and basic data, an office service layer used for protecting a network server, a data exchange layer used for being jointed between the information resource layer and the office service layer and conducting data exchange and a public service layer used for processing and releasing office information. A credible computer conducts authentication and authorization through an administrator and a terminal management client side, functions needing to be used in the credible computer are authorized by the administrator, limits of authority are distributed to subsystems where a user has access through an administration authority platform, the user has access to the authorized subsystems, and authentication of used application in the subsystems can be achieved through SSO, UUM and UPM. The platform and method for e-government affair comprehensive application have the advantages that multiple safety guarantee measures are achieved and the construction and operation efficiency of an e-government affair system is improved.

A nonaqueous electrolyte secondary battery including a positive electrode including a positive electrode current collector carrying a positive electrode material mixture layer thereon, a negative electrode including a negative electrode current collector carrying a negative electrode material mixture layer thereon, a separator provided between the positive electrode and the negative electrode and a nonaqueous electrolyte solution, wherein the positive electrode current collector is a conductive body containing aluminum and the positive electrode material mixture layer includes a first material mixture layer and a second material mixture layer formed on the first material mixture layer. The first material mixture layer is made of a first material mixture containing a first organic material which is soluble or dispersible in water and the second material mixture layer is made of a second material mixture containing a second organic material which is soluble or dispersible in an organic solvent.

Disclosed is a portable computer carrying and securement device, comprising an elastic covering adapted to surround the outer structure of a closed laptop computer or tablet, wherein the covering includes an internal cable attaching to a rotating spool for tightening the cable and covering around the laptop for security purposes. Attached to the upper portion of the covering is a ratcheting and carrying handle, which attaches to the spool for winding the cable therearound and for applying compression onto the outer portion of the computer to prevent tampering or unauthorized access. The handle is further capable of releasing the spool and thus the tension on the cable via a directed outward release motion. This motion is prevented by a locking mechanism and combination privy to only authorized users. The device further incorporates accessories that facilitate recharging of the laptop, locking the assembly to an external structure and an outward-facing display.

The invention relates to the technical field of medical apparatus and instruments, which discloses a sustained release type antibacterial medical catheter and a preparation method thereof. A silver inorganic antimicrobial is characterized by high content of silver, safety and the like, and the silver inorganic antimicrobial which adopts zirconium phosphate as a carrier is selected and mixed into catheter material to prepare the sustained release type antibacterial medical catheter that is most widely applied to clinic, such as an antibacterial catheter, an antibacterial central venous catheter, an antibacterial trachea cannula and the like. The catheter has high use safety, wide antibacterial spectrum, good antibacterial effects, antimicrobial constituent sustained release and long duration of antibacterial effects, and can reduce the frequency of replacing medical catheters so as to have safe and convenient clinical use, effectively reduce nosocomial infections related to catheters due to the use of the medical catheters, greatly reduce medical expenses related to anti-infection, and the like, and save medical resources.

The invention discloses a preparation method of organic acid salt catalytic polyarylene sulfide. The preparation method is characterized by comprising the following steps of: adding 1-50 parts of catalyst, 0.1-20 parts of alkali or strong alkali and weak acid salt, 100-500 parts of organic solvent and 130-140 parts of Na2S.xH2O into a reaction kettle, carrying out dehydration reaction for 0.5-2h at 150-200 DEG C under the protection of nitrogen to obtain a dehydrated Na2S solution, when the temperature of the Na2S solution is reduced to 150-190 DEG C, adding 114-287 parts of dihalogenated aromatic compound, reacting for 0.5-6h at 160-240 DEG C, maintaining the temperature for 0.5-6h at 190 DEG C to 280 DEG C, reducing temperature to 80-140 DEG C, filtering reaction liquid, pouring a filtered reaction product into water, separating a polymer crude product, washing the crude product, purifying by using deionized water and acetone after drying, and drying for 1-10h at 100-120 DEG C under vacuum of 0.08-0.095Mpa, thus obtaining the polyarylene sulfide resin.

The invention relates to a building decoration equipment capable of automatically grinding and painting arc-shaped walls. The lower end is installed with a brushing device and a grinding device in sequence from front to back. A receiving trough is installed at the lower end of the grinding device. The side wall of the receiving trough is an arc structure. Cylinders, steering motors, steering plates, push cylinders, adjustment hydraulic cylinders, brush holders, rotating motors and brushes. The invention can solve the problems of high risk, poor cleanliness, low work efficiency, high labor intensity and incomplete grinding in the process of painting the outer wall of the curved wall, and can realize automatic grinding of the curved wall, The function of painting has the advantages of good safety, high cleanliness, high work efficiency, better grinding effect and low labor intensity.

The invention relates to tunnel mining and conveying machinery, in particular to a scraper type cantilever conveyer which solves the problems of low material conveying efficiency and the like of the cantilever belt conveyer in the material conveying process in the prior art. A front chute of the scraper type cantilever conveyer is articulated with a rotary table of a second conveyer; one end of a lifting oil cylinder is articulated with the rotary table of the second conveyer of a tunneling machine, and the other end of the lifting oil cylinder is articulated with the front chute; the purpose of adjusting the height of the tail of the scraper conveyer can be realized by controlling the stroke of the lifting oil cylinder; one end of a rotary oil cylinder is articulated with a connecting frame, the other end of the rotary oil cylinder is articulated with the rotary table, and the elasticity of the oil cylinder can enable the rotary table to drive the conveyer to swing left and right for a certain angle; the front end of the front chute is connected with a driven device; a back chute is connected with a driving device; and scraper chain components are surrounded between the driven device and the driving device. The conveyer of the invention adopts full hydraulic drive, has the characteristics of good economical efficiency, high conveying efficiency, flexible transport modes, wide application range and the like, is suitable for coal rock tunnels or semi-coal rock tunnels, and can be also used for similar engineering tunnels.

This invention discloses a broadband network safety cut-over method including: DHCP relay server transfers a received DHCP request message sent by an end user about applying for access to the networkto DHCP server which allocates IP address for the said end user and puts down the allocated user IP address and its own IP address the network initialized information in a DHCP response message to besent to DHCP relay server which shields the IP address of DHCP server in the respose message, then to be transferred to the user who gets the IP address allocated to him and cuts over into the network to prevent users from knowing the true DHCP server IP address to realize isolated protection to DHCP server.

The invention relates to a special nutrition strengthening solution for livestock and poultry and a preparation method thereof, belonging to the technical field of functional nutritional products. The special nutrition strengthening solution for the livestock and the poultry, provided by the invention, comprises the following components: 3%-12% of vitamins, 1%-5% of amino acids, 5%-30% of emulsifier, 2%-5% of co-emulsifier, 0.1%-0.5% of antimicrobial preservative and the balance of purified water. The specific preparation method comprises the following steps: firstly adding the emulsifier, the co-emulsifier and the purified water, stirring, then adding the vitamins, the amino acids and the antimicrobial preservative, dissolving and stirring for 10-30 minutes to get the special nutrition strengthening solution for the livestock and the poultry. The special nutrition strengthening solution for the livestock and the poultry, prepared by the preparation method provided by the invention, can improve water solubility, dispersion and absorptivity of the vitamins, thoroughly solve the problem of bioavailability of the fat-soluble vitamins and provide the nutrition strengthening solution which can be highly absorbed and utilized for the livestock and the poultry with liver and gallbladder diseases.

The invention discloses a feedback type laser energy wireless transmission device. The feedback type laser energy wireless transmission device comprises a transmitting component which is positioned at a transmitting end and a receiving component which is positioned at a receiving end, wherein the transmitting component comprises a semiconductor laser and a beam expander; the receiving component comprises a photocell array; the transmitting component also comprises a tracking and alignment system which is used for tracking and alignment of the receiving end; and the receiving component also comprises a corner reflector array which is arranged in front of the photocell array and used for reflecting back a part of laser beam from the transmitting component, providing positive feedback for the semiconductor laser and transmitting the other part of laser beam to the photocell array. The feedback type laser energy wireless transmission device has the advantages that the corner reflector array is arranged at the receiving end, laser intensity which is transmitted by the transmitting end can be automatically adjusted by using an optical feedback effect according to the alignment of the transmitting end and the receiving end, the energy change of the receiving end is not required to be monitored in real time, and a laser energy transmission mechanism is high in safety and high in efficiency.

The invention discloses a construction method of a pore-forming pouring pile in the dry work of a super-large-diameter full-steel pipe casing. The method comprises the steps of a, measuring a pile position; b, embedding an orifice steel pipe casing; c, excavating a second pile hole section; d, hoisting an inner steel pipe casting in the second pile hole section, and filling clay in a clearance between the second pile hole section and the inner steel pipe casing, wherein the outside diameter of the inner steel pipe casing is less than the inside diameter of the second pile hole section; the lower end surface of the inner steel pipe casing is supported on a supporting layer of bed rock; d, downwards excavating below the second pile hole and expanding the hole until reaching the preset depth, and then pouring concrete. According to the method, the mode of sequentially excavating two pile hole sections and forming holes through a rotary drilling rig is carried out and has the beneficial effects of being high in safety, high in construction efficiency and low in labor intensity by being compared with the mode of manually excavating hole for constructing the pile.

The invention discloses a novel tellurium-based electrode and an application thereof in a sodium-tellurium battery and a sodium-ion battery. The electrode material is selected from elemental tellurium and a tellurium-bearing composite material; the sodium-ion battery comprises a cathode, an anode and an electrolyte; and an anode active material is selected from a tellurium-based material. The sodium-ion battery disclosed by the invention has the characteristics of good safety, high specific capacity and cycling stability.

The invention is a remote service system and a remote service implementing method, relating to a remote interactive service system. The remote service system comprises a host computer and also comprises: client end unit, for the client side to input or output data; entity interactive unit, for entity exchange between client side and service provider side, where the data is inputted by the client end unit and identification verification and control is made by the host computer; communication unit, for transmitting communication data between the client side and service provide side; teller unit, for the service provider-side teller to input or output data. It can handle all existing counter services on the condition of unmanned field watching; it can realize field communication between center teller and client by remote audio-video talkback to handle partial services that needs artificial interference, having good safety.

The invention relates to a positioner device or large-bearing moving device provided with a vertical shaft needing to move vertically and applied to a robot welding system or manual welding, in particular to a small-resistance anti-stall lifting device with the vertical shaft needing to move vertically. The small-resistance anti-stall lifting device comprises a vertical column assembly, a ball screw transmission system, a balance system, an emergency brake system and the like, wherein the vertical column assembly comprises a base, a vertical column, a support, a moving frame and a cantilever beam. A servo motor transmits power through a coupler which is connected with a ball screw, and therefore, the moving frame drives the cantilever beam to move vertically. The moving frame is connected with the cantilever beam, balancing is achieved through chain transmission and counter weight, and resistance is negligible when the vertical shaft moves vertically. A gear rack is arranged at rear of the small-resistance anti-stall lifting device and matched with a laser sensor to measure the speed, when the speed exceeds a set value of a brake, the judgement that the small-resistance anti-stall lifting device stalls can be performed, an outage signal is transmitted to the brake arranged at the bottom end of the screw and matched with the screw through a gear, the brake performs braking hold, emergency brake is achieved, and safety accidents caused by stall due to damage to the ball screw transmission system are avoided.

The invention discloses an avian infectious bronchitis cold adaptation attenuated vaccine strain and application thereof. In the invention, an avian infectious bronchitis virus wild strong strain is subject to continuous low-temperature cold adaption passage attenuated culture so as to obtain a cold adaption weak virus vaccine strain with good immune protective efficiency, and the microbial preservation number is CGMCC No.4711. Immune efficiency evaluation experiments show that the cold adaptation attenuated vaccine strain disclosed by the invention has good immune protectiveness, the active immune protection rate is over 80%, the passive immune can get over 90% protection within 9 days, and the cold adaptation attenuated vaccine strain has good protective efficiency to avian infectious bronchitis, and can effectively protect chicken against the attack of the virulence of avian infectious bronchitis viruses. Safety experiments show that the cold adaption weak virus live vaccine disclosed by the invention is safe for chickens and layer chickens, has no side effects and has good safety. The cold adaption attenuated vaccine strain can be applied in the preparation of single vaccine or combined vaccine and the like for preventing the avian infectious bronchitis viruses.

The invention discloses a concatenation-type fiber bragg grating self-demodulation current sensor, comprising a broadband light source, an optoisolator, a 2*2 fiber optic coupler, a fiber bragg grating stuck on a cantilever beam, index matching fluid, a photoelectric detector, a signal processing unit, a computer control system, an electromagnetic driving unit and a magnet coil, wherein all components are connected by an optical fibre link; the signal processing unit is connected with the photoelectric detector, the computer control system is connected with the data processing unit, the electromagnetic driving unit and the magnet coil are connected with the computer control system, and a permanent magnet is fixed on the free end of the cantilever beam. The invention has the technical characteristics of adopting the cantilever beam type gravity pendulum structure and the 'concatenation-type' fiber bragg grating sensing self-demodulation technology. The invention only utilizes two fiber bragg gratings to realize both sensing and demodulation, thus greatly lowering the cost and the complexity of the demodulation system of a fiber bragg grating sensor. The concatenation-type fiber bragg grating self-demodulation current sensor can be applied to the fields, such as current and electromagnetic field measurement and the like.

The invention discloses an environment-friendly electrostatic spraying antirust oil which is prepared from the following raw materials in percentage by mass: 70.0-90.0% of base oil, 5.0-25.0% of rust inhibitor, 1.0-5.0% of surfactant and 0.5-5.0% of antioxidant. The preparation method of the environment-friendly electrostatic spraying antirust oil comprises the following steps: mixing the measured base oil, rust inhibitor, surfactant and antioxidant, heating, and stirring uniformly to obtain the environment-friendly electrostatic spraying antirust oil. The antirust oil has the advantages of higher breakdown voltage, high safety, high atomization tendency of the oil product and low viscosity, and is convenient for cleaning; and the antirust oil can satisfy the requirement for antirust properties and conform to the requirement for environmental protection.

The invention discloses a polyacrylic ester coating adhesive emulsion, which is prepared from the following raw materials by weight percent: 20-50% of soft monomer, 5-20% of hard monomer, 0.5-2.0% of monomer containing carboxyl group, 1-5% of crosslinking monomer, 1-5% of emulsifier, 0.2-0.7% of initiator and the balance of deionized water, wherein the soft monomer is crylic acid alkyl ester; the hard monomer is one or two of methylpropenoic acid alkyl ester and styrene; the monomer containing carboxyl group is one or more of methacrylic acid, itaconic acid and maleic acid; and the corsslinking monomer is one or two of non-formaldehyde crosslinking monomer and inner crosslinking monomer containing two or more double bonds. The emulsion has good safety, no toxicity, low cost, high hydraulic pressure resistance, wide application range and the content of the formaldehyde of the coating accords with the European Union exit criteria. The invention also discloses a preparation method of the polyacrylic ester coating adhesive emulsion, which is simple to operate and is suitable for industrialized production.

The invention discloses a bdellovibrio bacteriovorus bacterial strain eliminating aquatic product Gram-positive pathogenic bacterium and an application thereof. The invention separates to obtain bdellovibrio bacteriovorus BDS02 the length of flagellum of which is at least 1.8mu m. The bdellovibrio bacteriovorus with flagellum on the end is cambered single cell the size of which is 0.65*0.2 mu m when observed by an electron microscope. The two layer plating method is used for cultivating the bdellovibrio bacteriovorus bacterial strain at the temperature of 28 DEG C for four days to form transparent round negativecolony the diameter of which is 1-2mm. Before the microorganism preparation prepared by the bdellovibrio bacteriovorus BDS02 is eaten by aquatic products, common Gram-positive pathogenic bacteria comprising Mycobacterium tuberculosis, star-shaped nocardia asteroids, rhodococcus erythropolis, streptococcus faecalis, staphylococcus epidermidis, clostridium perfringens and corynebacterium glutamicum in the transportation process and cultivation process can be eliminated, which improves the safe factor of raw aquatic products for consumers, protects the health of the consumers and provides guarantee for greenly processing and producing the aquatic products.

The present invention relates to a mixture of medicinal powder and activated carbon and the preparation method thereof, which pertains to the traditional Chinese medicine products; the formula of the mixture is composed of 80 traditional Chinese medicine ingredients of abrus herb, shinyleaf pricklyash root, Chinese arborvitae twig, winged euonymus twig, ovientvine, buerger pipewort flower, radix ranunculi ternati etc. and maifanite, germanite and crystal minerals, and the mixture is prepared by smashing, mixing, water soaking, boiling, filtering, drying, carbonization, activation, rubber refining, redrying and smashing processes; the mixture has good effects of health care for the human body, treatment and prevention of the diseases, furthermore, the functions are extensive, the cost of the product is low, the usage is convenient, the application scope is wide, the preparation method is simple and the operations are easy to control.

The invention discloses an intrinsically safe type sample gas processing system. The sample gas processing system comprises a sample gas acquiring device and a sample gas processing device, wherein the sample gas acquiring device comprises a detachable sampling probe and a pneumatic sampling pump; the sample gas processing device comprises a water cooling dewatering device, a self-cleaning type sample gas filter and an infiltrated sample gas drier; and the detachable sampling probe, the water cooling dewatering device, the self-cleaning type sample gas filter, the infiltrated sample gas drier and the pneumatic sampling pump are connected in sequence. The sample gas processing system has the advantages of easy maintenance, simple structure, low cost, reasonable configuration, and good safety.

The invention discloses an application of giant salamander mucus in preparation of adhesive. The characteristic of strong adhesion property of the giant salamander mucus after being prepared into freeze-dried powder is fully used, and the adhesive is prepared from the giant salamander mucus which is a degradable natural ingredient with high safety and has better biocompatibility, so that the adhesive can be used as a tissue adhesive, and a new material is provided for medical wound surface adhesion, tissue adhesion, organ adhesion, and so on.