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53results about How to "No additional burden" patented technology

Colloid electrolyte for lead-acid battery and preparation method thereof

InactiveCN102208690APlay a thickening roleAvoiding the Drawbacks of Hydration StratificationFinal product manufactureLead-acid accumulators constructionHYDROSOLOxygen
The invention belongs to the technical field of colloid lead-acid battery electrolytes and relates to a novel colloid electrolyte for a lead-acid battery and a preparation method thereof. In the colloid electrolyte, a silica sol is taken as a gel and contains 0.001%-0.009% of hydroxyethyl cellulose. The preparation method comprises the following steps: 1, preparing a hydroxyethyl cellulose water solution with the mass percent of 0.05%-0.5%; 2, preparing silicon dioxide into a silica sol and adding the silica sol to a sulfuric acid solution as well as stirring; and 3, adding the hydroxyethyl cellulose water solution in the step 1 to the solution obtained in the step 2, and dispersing. The hydroxyethyl cellulose is adopted to be an additive of the silica solution colloid electrolyte, thus playing a thickening role in a pure silica solution electrolyte, avoiding the defect of hydration layering of the pure silica solution colloid electrolyte, improving the stability of the pure silica solution colloid electrolyte, inhibiting the colloid electrolyte from hydrogen evolution and oxygen evolution to reduce self discharge, increasing the discharge capacity of a lead negative electrode, improving the charge acceptance of the lead negative electrode, restraining sulfation of the negative electrode and being beneficial to prolonging the service life of the battery.
Owner:SOUTH CHINA NORMAL UNIVERSITY

Method for realizing data interchange among stations in communication network

ActiveCN101631087AAdaptableStrong self-healing protectionData switching networksTraffic volumeTelecommunications
The invention discloses a method for realizing data interchange among stations in a communication network, which comprises the following steps: initiating a path inquiry request on a destination station to an attributive gateway station by using a source station; transmitting an assistant inquiry request to other network gateways by using the gateway station; inquiring the destination station for respective networks by using the other gateways and transmitting an answer to the source station through the gateway station attributive to the source station if the answer is received; establishing an indirect communication link table of the source station, the gateway station attributive to the source station, the gateway station attributive to the destination station and the destination station by using the source station and transmitting an indirect massage along an indirect communication chain; and recording and communicating with the source station by using the indirect communication chain and after the destination station receives the indirect message. Only a very short packet header is added for the data massage on an application layer and required to be resolved by the gateway station for transmission without adding network redundant traffic or adding the additional burden of the communication station.
Owner:FENGHUO COMM SCI & TECH CO LTD

Medical data integration system

The present invention discloses a medical data integration system, belonging to the field of information management. According to the technical scheme, an intranet workstation, a front server, an intranet center switch, a hospital information system, a data isolation device and a server set. The intranet workstation comprises an intranet workbench being in communication connection with the front server and an intranet workbench being in communication connection with the intranet center switch; the intranet center switch is in communication connection with the front server; the hospital information system is in communication connection with the front server and the intranet center switch; the front server performs synchronization of the data from the hospital information system in a non-intrusive data synchronization mode; the front server is in communication connection with the server set, and a data isolation area is arranged between the front server and the information interaction channel of the server set. The medical data integration system employs the non-intrusive data synchronization mode, and the integration system can be deployed at the tail end of the hospital network structure with no need for matching a data interface for completion of data collection.
Owner:北京医鸣技术有限公司

Mobile phone photographing behavior based event positioning method

The invention discloses a mobile phone photographing behavior based event positioning method. The method comprises the steps of: photographing a plurality of photos in different directions by utilizing mobile phone photographing software in the same place to form a photo group, and recording situational information during photographing, wherein the situational information comprises a photographing position and a camera alignment direction during mobile phone photographing; estimating an event occurrence region and dividing the event occurrence region into grids; based on the situational information of the photos, establishing a trapezoidal region and calculating positioning weights of the grids covered by the trapezoid; and calculating positioning weights of the grids covered by all the photos in the photo group to obtain an accumulated positioning weight of each grid, then determining an event positioning grid set according to a set threshold value, and determining geographical coordinates for event positioning. According to the method, a photographer is not required to additionally open an application program or execute a specific operation, so that the burden of a witness is not additionally increased; and the positioning of an event can improve the credibility of the photos and provide information for polices, medias and publics to look for the scene of the event at the same time.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Inward-wound seal packaging bag for ring-shaped cylindrical object and packaging method thereof

The invention relates to an inward-wound seal packaging bag for ring-shaped cylindrical object and packaging method thereof, which comprises a flexible bag body corresponding to the inner surface and the outer surface of the ring-shaped cylindrical object, wherein two ends of the cylindrical bag body are open, and colloid is arranged at an opening on one side of the bag body; and the outer layer of the flexible bag body is made of plastic film and the inner layer of that is made of gas phase rustproof film coated on the inner wall of the outer layer. The sealing packaging is achieved by the following steps: the bag body is covered on the surface of a steel coil in a manner of aligning the edge of the ring-shaped cylindrical object like the steel coil; the rest of the bag body penetrate out from a ring-shaped hole of the steel coil; and the turned-over edge of the bag body is jointed with the bag opening previously covered on the other side of the steel coil surface via the colloid. In the invention, the VCI (Volatile Corrosion Inhibitor) gas phase rustproof film is used to seal the packaging, and the inner wall and the outer wall of the steel coil are fully coated, so that the sealing is good, the rustproof period is long, the ideal rustproof effect can be obtained, the substantive breakthrough in the rust prevention during the transportation to metal products is achieved, and the economic and social benefits are excellent.
Owner:UNICHEM APPLIED MATERIALS SHANGHAI

Satellite abnormal data identification method and device

The invention discloses a satellite abnormal data identification method and device. The method comprises the following steps of acquiring the speed and position calculated by an inertial navigation system, and acquiring the speed and position outputted by a satellite positioning system; obtaining the measurement variables according to the speed and position calculated by the inertial navigation system and the speed and position outputted by the satellite positioning system; predicting the information data according to the measurement variables, calculating a mean value and a standard deviationaccording to an information data flow, and then calculating the Grubbs test statistics; constraining the test statistics according to a set detection level; and if the detected test statistics afterlevel constraint is an abnormal value, rejecting the data of the satellite positioning system, otherwise, inputting the data of the satellite positioning system into a Kalman filter for filtering estimation. The method and the device can realize the real-time online detection, have the simple recursion relationship, are small in calculation amount, do not cause the additional burdens of the systems, have certain elasticity based on the historical statistical data, can overcome the the adverse effect of the abnormal data, enable a discrimination system to be quickly recovered under the influence of the abnormal data, avoid the deadlock, and improve the reliability of Kalman filtering estimation.
Owner:中科宇航(广州)装备工业有限公司

Vehicle-mounted wind power generation device

The invention relates to a wind power generation device for charging a vehicle storage battery and a power generation method. The wind power generation device is especially suitable for an electric vehicle, and is not limited to the electric vehicle. At present, due to the fact that the size of the wind power generation device is too large, the wind power generation device is difficult to be arranged on a vehicle. Through the arrangement of an air inlet in a horn shape and an air passage based on the venturi effect, the size and the weight of the wind power generation device can be effectivelyreduced, so that the wind power generation device can be mounted on an automobile, and power generation can be carried out in the advancing process of the automobile. The device comprises an air inlet (1), an air passage (2), a turbine wind power generator (3), an electric wire (4), an exhaust pipe (5), a frequency converter (6), a storage battery (7) and an air outlet (8). When the vehicle moves, wind energy is collected through the horn-shaped air inlet arranged on the vehicle head, when the wind energy enters the pipeline with the venturi effect, a high-speed flowing air flow is formed, the air flow blows blades in the turbine wind power generator to drive a rotating shaft to rotate at a high speed to generate electric energy, after the electric energy in the power generator passes through the frequency converter, the electric energy is transmitted to the input end of the storage battery, so that the storage battery can be continuously charged when the vehicle runs, and continuousenergy is obtained.
Owner:高睿 +1

Quantum random number generation device, method and equipment based on coherent optical receiver

The invention provides a quantum random number generation device, method and equipment based on a coherent light receiver. The quantum random number generation device comprises a local oscillator light source, the coherent light receiver and a data acquisition and processing module, wherein the local oscillator light source is connected to one input end of the coherent light receiver, and the other input end of the coherent light receiver has no light input and is used as a vacuum state input end; the coherent optical receiver is configured to perform beam splitting, polarization, interference and conversion on input light to obtain a voltage signal; the output end of the coherent optical receiver is connected with a data acquisition and processing module, and the data acquisition and processing module is configured to perform data acquisition on the voltage signal output by the coherent optical receiver and quantify the voltage signal to generate analysis data, and then process the analysis data through a random number post-processing method to generate a random number. The device, the method and the equipment have the advantages of high stability, miniaturization and low cost, and multi-channel random number generation can be realized.
Owner:山东国迅量子芯科技有限公司

Vertical prestressed steel bar detection module and detection method for bridge concrete construction

The invention relates to a vertical prestressed steel bar detection module and detection method for bridge concrete construction. The detection module comprises a base plate and strain pieces, the one or more strain pieces are attached to the base plate, the strain pieces and the base plate are installed in a relatively-fixed mode, and an opening penetrating through the base plate is formed in the base plate. According to the vertical prestressed steel bar detection method for bridge concrete construction, the vertical prestressed steel bar detection module for bridge concrete construction, a nut, a steel bar and a strain tester are included, the vertical prestressed steel bar detection module for bridge concrete construction comprises the base plate and the strain pieces, the one or more strain pieces are attached to the base plate, the strain pieces and the base plate are installed in a relatively-fixed mode, the opening penetrating through the base plate is formed in the base plate, one end of the steel bar penetrates through the opening and then is in threaded connection with the nut, the other end of the steel bar is relatively fixed, and the strain tester is connected with the strain pieces for collecting strain piece data and judges whether the pulling force of the stressed section of the steel bar meets the determined requirements or not according to the data collected from the strain pieces.
Owner:ZHEJIANG XINGTU BRIDGE SPECIAL EQUIP MFG

Permanent magnet hall thruster ignition device

PendingCN109779865AEasy arc startConvenience to lead the beamMachines/enginesUsing plasmaControl cellEngineering
The invention discloses a permanent magnet hall thruster ignition device comprises an outer ceramic ring, an inner ceramic ring, an anode assembly, magnetic steel, a magnetic conductive base, a magnetic steel sleeve, excitation coils and a magnetic conductive ferrule; the magnetic conductive ferrule is installed on the outer wall of the magnetic steel in a sleeved manner; the magnetic conductive ferrule and the magnetic steel are installed in an annular positioning ring on the magnetic conductive base; and the excitation coils are installed between the inner wall of a magnetic steel sleeve andthe outer wall of the magnetic conductive ferrule through positioning of the annular positioning ring. In the ignition process, the excitation coils, a power supply of which is supplied by a cathodeheating power supply, generate a magnetic field with a direction opposite to a direction of an inherent magnetic field of the magnetic steel, and the intensity of the magnetic field at an outlet of adischarge channel is weakened, so that primary electrons emitted by a cathode can successfully enter the discharge channel, and arcing ignition of the thruster is facilitated; and after ignition of the thruster is finished, power supply of the excitation coils is cut off. By adopting the permanent magnet hall thruster ignition device, the ignition difficulty of a permanent magnet hall thruster canbe remarkably lowered, and extra burden caused to components such as a power supply processing unit, a propellant storage unit and a control unit cannot be generated at the same time.
Owner:NANHUA UNIV

Physical layer secure transmission method capable of resisting any number of eavesdropping antennas

The invention provides a physical layer secure transmission method capable of resisting any number of eavesdropping antennas. According to the invention, precoding processing is carried out to resisteavesdroppers with any number of antennas or eavesdroppers with any number of cooperative nodes; legal receivers and transmitters do not need to share any key information. No matter how many antennasare used by an eavesdropper for eavesdropping, the bit error rate of the received confidential information can be ensured to be 0.5, high-strength physical layer secure transmission is achieved, the advantages of low power consumption, low complexity and low interference are achieved, physical layer secure communication of eavesdroppers of any multi-antenna can be achieved without any additional artificial noise or cooperative interference, and extra burden of a network or redundant interference to other users cannot be increased. In the communication process of the method, Alice and Bob of two legal communication parties need a protection area with the radius of R to surround themselves respectively, so that an eavesdropper Eve cannot enter the protection area to eavesdrop, and it is guaranteed that channels of the Eve are independent of the Alice and the Bob.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Vertical prestressed steel bar detection module and detection method for bridge concrete construction

The invention relates to a vertical prestressed steel bar detection module and detection method for bridge concrete construction. The detection module comprises a base plate and strain pieces, the one or more strain pieces are attached to the base plate, the strain pieces and the base plate are installed in a relatively-fixed mode, and an opening penetrating through the base plate is formed in the base plate. According to the vertical prestressed steel bar detection method for bridge concrete construction, the vertical prestressed steel bar detection module for bridge concrete construction, a nut, a steel bar and a strain tester are included, the vertical prestressed steel bar detection module for bridge concrete construction comprises the base plate and the strain pieces, the one or more strain pieces are attached to the base plate, the strain pieces and the base plate are installed in a relatively-fixed mode, the opening penetrating through the base plate is formed in the base plate, one end of the steel bar penetrates through the opening and then is in threaded connection with the nut, the other end of the steel bar is relatively fixed, and the strain tester is connected with the strain pieces for collecting strain piece data and judges whether the pulling force of the stressed section of the steel bar meets the determined requirements or not according to the data collected from the strain pieces.
Owner:ZHEJIANG XINGTU BRIDGE SPECIAL EQUIP MFG

Isolation bearing with high carrying capacity and convenient replacement

The invention relates to an isolation bearing with high carrying capacity and convenient replacement and used for a large space structure isolation layer. The isolation bearing comprises an upper pre-buried plate, a lower pre-buried plate, an upper connecting plate connected with the upper pre-buried plate, a lower connecting plate connected with the lower pre-buried plate, a rubber bearing main body, and a ball bearing arranged between the upper connecting plate and the lower connecting plate; the rubber bearing main body comprises a first connecting plate, a rubber bearing and a second connecting plate, and the second connecting plate is detachably connected with the lower connecting plate; and the first connecting plate is detachably connected with the upper connecting plate through a connecting piece. Whether the horizontal displacement of the isolation bearing is zero, or under the condition of large horizontal deformation, the isolation bearing has higher vertical carrying capacity, so that the safety of the upper structure is protected; the horizontal friction force of the ball bearing is very small, so that the resilience load of the rubber bearing main body is not increased additionally; and through detachable connection between the rubber bearing main body and the upper connecting plate, and between the rubber bearing main body and the lower connecting plate, the rubber bearing main body is easy to replace.
Owner:GUANGZHOU UNIVERSITY
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