72results about How to "Build security" patented technology

Disclosed herein is an apparatus for evaluating the safety of a building. The apparatus includes first and second measurement instruments which measure earthquake accelerations of the top and bottom stories, a fast Fourier transform unit which performs fast Fourier transform on the earthquake accelerations, an integration unit which double-integrates the measured earthquake accelerations and creates drift data of the top story and the bottom story, a maximum inter-story drift ratio calculation unit which calculates a maximum inter-story drift ratio, a natural frequency change rate calculation unit which determines a natural frequency of the building, and compares the natural frequency with an ambient natural frequency of the building so as to calculate a natural frequency change rate, and a building safety evaluation unit which compares the maximum inter-story drift ratio and the frequency change rate with preset evaluation criteria and outputs a result of evaluation in the safety of the building.

Platform for drilling after or production of hydrocarbons at sea, consisting of a semi-submersible platform body which supports drilling and/or production equipment on its upper surface. The platform body is designed as a vertical mainly flat bottomed cylinder which is provided with at least one peripheral circular cut-out in the lower section of the cylinder since the centre of buoyancy for the submerged section of the platform is positioned lower than the centre of gravity of the platform.

The invention discloses a stable knockout single plasmid vector with coordination of transposon and a CRISPR/Cas9 system and application of stable knockout single plasmid vector and belongs to the field of gene engineering. The single plasmid vector is a double-stranded circular plasmid containing an IRDR-L-IRDR-R box, and the IRDR-L-IRDR-R box comprises an IRDR-L sequence, a promoter, a gRNA scaffold sequence, a Cas9 protein sequence, a resistance screening gene sequence and an IRDR-R sequence. The single plasmid vector provided by the invention can realize expression of sgRNA and a Cas9 protein only needing once construction and once transfection. A method is simple in process, is efficient and rapid, greatly simplifies a plasmid construction flow, shortens an experiment period and improves the working efficiency. The vector provided by the invention carries a transposase recognition sequence, does not use a virus, can conveniently, rapidly and safely establish a gene knockout stablecell line and is beneficial to screening stable cell lines by comprising the puromycin screening resistance.

A building modular and panel system for construction using prefabricated modular panels. The system includes top and bottom plates connected to metal studs. A high rib metal lath with moisture barrier backing can be secured to and covers the metal studs. A light weight gas injected concrete/plaster seizer mix is sprayed over the metal lath to create the structural panel. The structured panel is preferably bolted to the slab. To provide further support, especially in a commercial setting, one or more lateral wall channel bracing can be attached to the metal studs.

The invention particularly provides an installing method of an imitative-ecological umbrella-shaped single-layer latticed shell steel structure. The installing method is characterized in that the umbrella-shaped single-layer latticed shell structure is divided into an umbrella-diameter steel truss part, a ring beam steel structure part and a vault steel truss part; site splicing is performed, hoisting units of the umbrella-diameter steel truss, the ring beam steel structure and the vault steel truss are respectively and sequentially spaced in place on the ground according to a splicing sequence; the umbrella-diameter steel truss is hoisted; latticed temporary supports at the lower portion of the vault steel truss are installed; the ring beam steel structure part is installed; the vault steel truss part is installed; empty space filling welding is performed; the temporary supports are dismounted. According to the installing method, installing construction of the umbrella-shaped single-layer latticed shell structure is performed by adopting the methods of two times of modular division, pre-assembly, respective housing and aerial whole splicing. The problems of large aerial bulk welding amount, poor operating accuracy and high safety risk of the umbrella-shaped single-layer latticed shell structure are solved. In addition, due to advanced clear labor division, the one-time hoisting operation difficulty is small, and the construction method further has the advantage of a short construction period.

The embodiment of the invention provides a wireless connection establishment method and a wireless connection establishment device. The method includes the following steps: generating connection identification information according to related information about wired connection between first equipment and second equipment; issuing a wireless connection establishment request in a manner that the second equipment can receive the request under the condition that the wired connection is disconnected, wherein the connection identification information is involved in the request. According to the method and the device, provided by the embodiment of the invention, related wired connection information serves as the identification information for wireless connection establishment, wireless connection can be quickly and safely established, and besides equipment consumption is taken into consideration.

The invention discloses a self-resetting energy dissipation system with a fabricated frame structure and a construction method of the self-resetting energy dissipation system. The self-resetting energy dissipation system includes a prefabricated column connected with a foundation, a prefabricated reinforced concrete cross beam, a prefabricated reinforced concrete beam column sub-structure and dryconnection, and further includes a self-resetting energy dissipation device arranged between interbedded prefabricated frames; and the dry connection includes friction-type high-strength bolt connection between columns and pin shaft connection between beam-beam artificial plastic hinge connecting nodes. The invention further discloses the construction method for the self-resetting energy dissipation system with the fabricated frame structure. According to the self-resetting energy dissipation system with the fabricated frame structure and the construction method of the self-resetting energy dissipation system, the shortcomings of current prefabricated structural systems are overcome, and an anti-seismic target of 'strong column and weak beam, strong node and weak component' is realized; through reasonable arrangement of the self-resetting energy dissipation device, the energy dissipation capacity of the structural system is enhanced, residual deformation of the structure is effectivelyreduced or avoided, and the allimportant social value and economic significance for effectively mitigating earthquake disasters in high-intensity areas are achieved; and meanwhile, the construction process is simplified, the construction quality is guaranteed, practicality is high, and use and promotion are convenient.

The present invention relates to a structure for constructing a building including girders and beams which are horizontally and vertically coupled to one another about a column. The structure includes: a gusset plate welded to a side portion of a first girder in a direction crossing a length direction of the first girder for supporting at least one first angle connection for supporting a slab and adjusting a frame assembly position; and a first coupling member including a first bolt and a first nut for coupling the first angle connection to the gusset plate. The first nut is embedded in concrete constituting a core wall or a slab, such that the first angle connection is removable from the gusset plate after concrete is cured in a region corresponding to the first girder. Thus, structural stability in the preconstruction of a slab, efficiency in installing a frame to be subsequently constructed, and efficiency in installing an angle connection for supporting a slab and adjusting a frame assembly position can be ensured. Furthermore, since the angle connection can be easily removed after slab concrete and core concrete are cured, the angle connection can be recycled, thus improving the quality of the building, decreasing the time required for construction and reducing construction costs, and enabling the building to be built more safely.

The invention relates to a wireless charging system and a transmission link establishment method. The method comprises steps that 1, scanning, a charging sending end is found by a receiving end of thewireless charging system through scanning; 2, link authentication, a link authentication request is sent by the receiving end to a certain sending end, and link authentication can be carried out under secret key and no-secret key conditions; 3, association, an association request is sent by the receiving end to the sending end, the association request is responded by the sending end when chargingconditions are satisfied, and association is established; and 4, establishing an energy transmission link, resonance light charging is carried out through forming resonance of light in a resonance cavity between the sending end and the receiving end, and the harmonic light can automatically align at the receiving end along with movement of the receiving end. Compared with the prior art, information interaction between the sending end and the receiving end of the wireless charging system is completed in a wireless communication mode, the energy transmission link is further established, and mobile one-to-multiple real-time wireless charging is realized.

The invention relates to an amorphous hollow carbon nanotube and a preparation method thereof. The amorphous hollow carbon nanotube has an inner diameter of 50 to 100 nm, a thickness of 10 to 20 nm and a tube length of 1 to 5 [mu]m; the carbon wall of the amorphous hollow carbon nanotube is of a porous amorphous structure; and a plurality of nanoparticles are attached to the inner wall of the amorphous hollow carbon nanotube. The amorphous hollow carbon nanotube is obtained by using zinc oxide as a template and phenolic aldehyde amine resin as a carbon source through low-temperature heat treatment and hydrochloric acid etching. According to the invention, the lithium/sodium affinity of metal nanoparticles is utilized to guide lithium/sodium metals; the deposition and stripping processes ofthe lithium/sodium metals are limited in the cavity of a carbon tube; the effects of inhibiting dendritic crystal growth, limiting volume change generated in the deposition and stripping processes ofthe lithium/sodium metals and stabilizing negative electrode/electrolyte interfaces are achieved; and important application values are achieved for constructing stable and highly-efficient lithium/sodium metal batteries.

A method of establishing a home domain capable of reproducing multimedia content, and a smart card (500) therefor. The method includes creating (S4) a domain certificate (140) for a reproducing device (100) by inserting the smart card into the reproducing device, creating a session key by inserting the smart card into a home server (200), and verifying the domain certificate of the reproducing device and transmitting the created session key to the reproducing device if the device is a legitimate device. Alternatively, the method includes using an external certificate authority (300) to determine whether the reproducing device is a legitimate device. The smart card includes a certificate-creating module (570) for creating a domain certificate for a reproducing device when the smart card is inserted into the reproducing device, a session key-creating module (560) for creating a session key when the smart card is inserted into the home server, and a certificate-verifying module (580) for verifying the domain certificate of the reproducing device before transmission of the created session key to the reproducing device.

The invention discloses a preparation method of a mesoporous silica nanoparticle transdermal delivery eutectic system. The preparation method comprises the following steps: preparing mesoporous silica nanoparticles by a template method, then covalently grafting citric acid to mesoporous silica, and finally preparing a mesoporous silica-citric acid-amino acid eutectic system by heating and vacuum evaporation. According to the invention, the mesoporous silica nanoparticles are connected with citric acid-amino acid to form a eutectic system, so that the dispersibility of the mesoporous silica is improved, a new pharmaceutical strategy is provided for transdermal delivery of the nanoparticles into a whole body circulatory system, and potential application prospects are realized in the aspects of long-acting circulating nano-drug preparation and percutaneous immunotherapy.

The invention discloses a power environment monitoring system, mainly applied to the mobile communication field. The power environment monitoring system comprises a central machine room SDH device, aplurality of monitoring point SDH devices, front-end processors connected in parallel with the central machine room SDH device, and monitoring units connected in parallel with the monitoring point SDHdevices, wherein the central machine room SDH device and the monitoring point SDH devises devices are connected to form an SDH access in a ring shape or link shape, the SDH circuit is provided with aspecial link for transmitting monitoring data, and each monitoring unit copies the self-obtained monitoring data to a specified time slot of the specific link and then transmits the data to the front-end processors. The power environment monitoring system is designed to save the resource of transmission circuits of the power environment monitoring system in maximum and fully utilizes the characteristic that the monitoring unit extracts the time slot to build safe, reliable and highly efficient network structure of the power environment monitoring system.

The present invention is a power source machinery. The power source machinery has following functions. Firstly, a slow cyclic flow is generated in a first period, and a quick and slow cyclic flow is generated in a second period. Secondly, a first huge generator drives a cylinder to rotate slowly from beginning to end, and outputs a lot of electric energy. Thirdly, supply of rotary power to a second generator and a third generator is stopped, and the rotary power is transferred to a gas pump and a water pump, which are rotating to finish the quick cyclic flow. In every period, the quick flow raise liquid in a single water-caltrop-shaped element in a lower portion to a single water-caltrop-shaped element in a higher portion, which has a function of lever, in such a manner that the power source machinery rotates continuously for a long period.

A control system that uses an algorithm to control the fan speed in a cooling system for an engine is disclosed. The algorithm is adapted to maintain a cooling medium at a set temperature instead of an operating temperature range of the cooling medium. The algorithm is also adapted to maintain a cooling medium at a set temperature and to build a cooling safety margin in response to an engine output torque percentage that is below an output torque percentage setpoint.

The present invention is directed to a Pre-cast Decorative Retaining Wall consisting of concrete walls constructed on a horizontal surface normally at a manufacturing facility, on rolling platforms, or preferably built on the construction site where after curing to 3000 psi the pre-fabricated walls can be shipped to and installed at a building site. In the flat state the panels can have a wide variety of decorative elements readily applied to both the upper and lower downside reflection surface. A unique feature is the buttress system that is added to the back of the wall system when elevated retention is required. By pouring the buttress portion on top of the footing pier or caisson, and tying into the pre-decorated wall with reinforcement, an eco-friendly, design optional retaining wall system is accomplished which can be rapidly and safely installed.

An integrated lighting control and threat detection system is provided. Once one of the threat detectors determines that a hazardous condition exists, it transmits a threat message to the lighting control system. The lighting control system then operates to turn on illumination within the dwelling to aid in an occupant's safe exiting from the dwelling. The lighting control system operates to illuminate all lights within a dwelling upon detection of a hazardous condition. Alternatively, the lighting control system operates to illuminate preselected paths of lighting as programmed by a user. Still further, coordinated illuminated control may be provided based upon the location of the detected hazardous condition and the fixed and portable lights within a dwelling. Both fixed and adaptive illumination control are provided as is a fail safe illumination of all lights within a dwelling should each of the pre-selected exit paths contain a hazardous condition.

A chloride ion fluorescence detection method and device, and a use thereof. The chloride ion fluorescence detection method utilizes chloride ions to influence luminescence characteristics of some photoluminescent substances to change the emission spectrum of the photoluminescent substances. The concentration of the chloride ions is detected through two processes comprising the fiber surface film forming and test liquid preparation of a fluorescent reagent sensitive to the chloride ions and measurement of information of fluorescence peak wavelengths or intensities. The method can be applied to the online assessment of the corrosion environment of steel bar concrete or the measurement of chloride ions in a laboratory.

According to a method and a system for establishing wireless communication connection provided by the invention, a communication interface of a wireless adapter is connected with the communication interface of a first device, and the wired data connection between the wireless adapter and the first device is established. The first device can obtain the device identifier of the wireless adapter andverify the device identifier of the wireless adapter, and when the device identifier of the wireless adapter is matched with at least one of preset device identifiers, the first device establishes a wireless communication connection with the wireless adapter based on a handshake protocol and a secure pairing mechanism. According to the method and the system, the wireless adapter is in pluggable connection with the communication interface of the first device. The safety connection between the wireless adapter and the first device is automatically established, the whole tedious process that a user participates in the connection between the wireless adapter and the first device is avoided, the user can complete the wireless connection between the first device and the wireless adapter only through simple plugging and unplugging, and the operation is quicker and more convenient.

The Intelligent Door Opening system consists of several devices that work together to identify approaching individuals, verify that they should be allowed access, which can be conducted by several different means. Once they have been approved the system will then grant them access by opening the door and then closing said door when the individual has entered the building. The Intelligent Door Opening system will also comprise several devices to add additional security to the primaries home, examples being a deadbolt that stops hackers from being able to control the other devices, a camera, and a secure locking system. The intelligent Door Opening system will add all the convenience of an automatic door as seen at a mall, but with the security to ensure that only people that are allowed access will be allowed to enter.