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42results about How to "Decrease" patented technology

Radio frequency identification reader-writer

The invention discloses a radio frequency identification reader-writer, comprising a radio frequency transceiver front-end module, a digital signal processor, a receiver, a transmitter and a frequency synthesizer, wherein the radio frequency transceiver front-end module is used for receiving and transmitting a radio frequency signal, the digital signal processor is used for processing the digitalradio frequency signal received by the radio frequency transceiver front-end module and outputting the digital signal to be transmitted, the receiver is used for processing radio frequency signals ofeach frequency band, received by the radio frequency transceiver front-end module and outputting the processed signal to the digital signal processor, the transmitter is used for processing the digital signals corresponding to various frequencies outputted by the digital signal processor and outputting the processed signal to the radio frequency transceiver front-end module, and the frequency synthesizer is used for supplying a local oscillator frequency mixing signal to the receiver or the transmitter in at least one working frequency band. By application of the radio frequency identification reader-writer, the design can be simplified, the development time can be shortened, and the development and design cost can be saved.
Owner:FENGJIE DONGYANG BUILDING MATERIALS CO LTD

Reinforcement structure of single-cable-plane cable-stayed bridge

The invention relates to a reinforcement structure of a single-cable-plane cable-stayed bridge. The reinforcement structure is equipped with cantilever beams (7) which are symmetrically arranged on two sides of web plates of main beams (1) in front of and behind each bridge tower (3) and vertically extend outwards, wherein the distance between the cantilever beams (7) and a lateral vertical planepassing through the axial line of the bridge tower (3) is 1.1-1.2 times the width of the bridge floor; the distance between the extension ends of the cantilever beams (7) and the edge of the main beams (1) is 150-250 cm; shape memory alloy guy cables (5) are respectively anchored between the external end part of each cantilever beam (7) and the bridge tower (3) as well as a bridge pier (2); the distance between the anchoring point located between one shape memory alloy guy cable (5) and the bridge tower (3) and the upper surface of the main beam (1) is 1-3 times the width of the bridge floor;and the distance between the anchoring point located between the shape memory alloy guy cable (5) and the bridge pier (2) and the lower surface of the main beam (1) is 0.2-1 time the width of the bridge floor. The reinforcement structure provided by the invention can be used for effectively inhibit the torsional vibration of the main beams of the single-cable-plane cable-stayed bridge.
Owner:广东荣骏建设工程检测股份有限公司

Measurement and control system capable of isolating strong impulse interference

The invention discloses a measurement and control system capable of isolating strong impulse interference. The measurement and control system comprises a pressure transmitter, an isolating circuit and a collecting system. The pressure transmitter is connected with a discharging cavity, and is used for measuring the pressure of the gas inside the discharging cavity when a discharging circuit discharges for the gas inside the cavity. The isolating circuit is connected with the output end of the pressure transmitter, and is used for sampling output electrical signals to electrically isolate input signals from the output signals and to achieve linear conversion between the input signals and the output signals. The collecting system is connected with the output end of the isolating circuit, and is used for collecting clear signals output by the isolating circuit to a computer system, and the clear signals are displayed through measurement and control software. According to the measurement and control system, interference signals coupled to a testing signal transmission line are isolated in the period of discharging to high-power impulses, and therefore the amplitude of the interference of strong impulses is effectively reduced, the damage to a testing system from the strong impulse interference signals is prevented, and the signals cannot lose. The measurement and control system has the advantages of being compact and ingenious in structure, safe, reliable, convenient and fast to use and the like.
Owner:DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI

Method for controlling acquisition of alloy films on multi-arc ion plating machine and proportional regulator thereof

The invention discloses a method for controlling acquisition of alloy films on a multi-arc ion plating machine and a proportional regulator thereof. The proportional regulator for regulating screening cathode plasma flux is arranged in front of one of vacuum cathode target boots; the proportional regulator is a double-layer circular baffle plate with annular holes, the annular holes of the two baffle plates are the same and account for a certain proportion of the whole circular baffle plate, and the centers of the two baffle plates are provided with a guide pillar and a guide bush for rotating the baffle plates mutually; and the rotating angle of the double-layer circular baffle plate of the proportional regulator can be regulated. The flux of cathode plasma is regulated by regulating the rotating angles of the two plates of the proportional regulator so as to control the proportion of components in the plasma atmosphere; and multi-element multilayer composite films are prepared by controlling the working state of a target. The method can effectively control the proportion of the components in the plasma atmosphere, and can prepare the multi-element multilayer composite films; and high-hardness ceramic multi-element films or multi-element multilayer films can be prepared by introducing N2 and CH4 during deposition.
Owner:GUANGDONG UNIV OF TECH

Anti-roll and anti-drag serial hydrofoils and ship equipped with anti-roll and anti-drag serial hydrofoils

The invention discloses anti-roll and anti-drag serial hydrofoils and a ship equipped with the anti-roll and anti-drag serial hydrofoils, and belongs to the technical field of ships. Serial hydrofoils3 are arranged on the bilge portions on the two sides of a ship body 1, a hydrofoil shaft 5 which can rotate around the axis thereof is fixed to each mounting plate 2, the hydrofoils 3 are mounted atthe tail ends of the hydrofoil shafts 5 and are positioned through positioning pins 6. A pair of streamline baffle limit devices 4 are mounted at the two sides of the central line of the other end ofa mounting hole in each hydrofoil shaft on the corresponding mounting plate. The rectangular short hydrofoils are mounted on the left and right bilge portions. The hydrofoils move along with the ship, and each hydrofoil can further rotate around the axis thereof. Under the effect of front incoming flow, push force and lift force are generated, the lift force improves damping of transverse rollingof the ship, and the push force reduces the resistance of the ship, and energy consumption is reduced. By the adoption of the anti-roll and anti-drag serial hydrofoils and the ship equipped with theanti-roll and anti-drag serial hydrofoils, the resistance of the ship is reduced, the energy consumption is reduced, and at same time, the original comfort degree of the ship is ensured.
Owner:HARBIN ENG UNIV

Nickel-based alloy with high grain-boundary strength and preparation method thereof

The invention relates to a nickel-based alloy with high grain-boundary strength and a preparation method thereof. The nickel-based alloy consists of the chemical components in percentage by weight; 20-25 percent of chromium, 0.2-0.7 percent of copper, 0.01-0.2 percent of carbon, 8.0-10.0 percent of molybdenum, 10-15 percent of cobalt, 0.5-1.5 percent of aluminum, 0.2-0.6 percent of titanium, 0.01-0.02 percent of boron, 0.01-0.03 percent of tungsten, 0.01-0.3 percent of tantalum, 0.02-0.06 percent of rare earth and the balance of nickel and other unavoidable trace impurity elements. The preparation method for the nickel-based alloy with high grain-boundary strength comprises the following steps of (1) preparing raw materials: preparing a proper amount of Incone1617 main material and a small amount of Re, B, Ta and W for component adjustment; and (2) feeding the materials for smelting: putting the materials Cr, Mo, Ta and W which have high smelting points to the bottom of a crucible, then adding the Incone1617 furnace material, sequentially adding the rest of the raw materials, covering the materials with a slag removal agent, and smelting the materials in a vacuum smelting furnace. By the adding of B, Ta and the rare earth elements, the nickel-based alloy is low in environment sensitivity and can achieve effects of purifying the grain boundary and effectively improving the grain-boundary bonding strength.
Owner:CHANGZHOU UNIV

Tire capable of reducing automobile deflection during tire burst

The invention discloses a tire capable of reducing automobile deflection during tire burst. The tire comprises a hub, a rubber tire cover and a round supporting plate, wherein the rubber tire cover is mounted on the external circumference of the hub, the round supporting plate is mounted on the side face of the hub, the hub, the rubber tire cover and the round supporting plate are of different concentric circle structures different in radius, and the diameter of the round supporting plate is smaller than that of the rubber tire cover and larger than that of the hub. The tire capable of reducing the automobile deflection during tire burst has the advantages that the round supporting plate is fixed on the side face of the hub through own first screw holes of the hub and second screw holes processed in a rim by means of cooperation between studs and limiting nuts; the tire is quite high in structural stability, and when the tire bursts, the round supporting plate substitutes for the rubber tire cover to rotate and is less prone to deformation, so that automobile deflection amplitude can be decreased effectively, a driver is helped with direction correction under the action of power-assisted steering, lateral slipping, U-turn drifting or rollover of an automobile is prevented, and driving safety is improved.
Owner:肖振环

Radio frequency identification reader-writer

The invention discloses a radio frequency identification reader-writer, comprising a radio frequency transceiver front-end module, a digital signal processor, a receiver, a transmitter and a frequency synthesizer, wherein the radio frequency transceiver front-end module is used for receiving and transmitting a radio frequency signal, the digital signal processor is used for processing the digitalradio frequency signal received by the radio frequency transceiver front-end module and outputting the digital signal to be transmitted, the receiver is used for processing radio frequency signals ofeach frequency band, received by the radio frequency transceiver front-end module and outputting the processed signal to the digital signal processor, the transmitter is used for processing the digital signals corresponding to various frequencies outputted by the digital signal processor and outputting the processed signal to the radio frequency transceiver front-end module, and the frequency synthesizer is used for supplying a local oscillator frequency mixing signal to the receiver or the transmitter in at least one working frequency band. By application of the radio frequency identification reader-writer, the design can be simplified, the development time can be shortened, and the development and design cost can be saved.
Owner:FENGJIE DONGYANG BUILDING MATERIALS CO LTD

Step-by-step feeding mechanism applied to continuous ejection clip applier

ActiveCN113796918ADecreasePrevent misclampingWound clampsMedical staffEngineering
The invention belongs to the technical field of medical instruments, and particularly relates to a step-by-step feeding mechanism applied to a continuous ejection clip applier. The invention provides the step-by-step feeding mechanism applied to the continuous ejection clip applier, and aims to solve the problem that in the prior art, when a tissue clip is ejected out of a clip applier, a large-amplitude automatic bounce-off action occurs, and the inconvenience is brought to medical staffs in the surgical operation process. The step-by-step feeding mechanism comprises a clamp head and a clamp head push rod with one end connected to the clamp head; the end, away from the clamp head, of the clamp head push rod is connected with a propelling structure; a first feeding mechanism and a second feeding mechanism are further arranged between a driving handle and the propelling structure; the driving handle pushes the propelling structure into a first feeding space through the first feeding mechanism; and the driving handle pushes the propelling structure into a second feeding space through the second feeding mechanism. According to the invention, the amplitude of the automatic bounce-off action of the tissue clip can be reduced, and then the tissue clip is slowly clamped to be completely closed by using the second feeding mechanism, so that the step-by-step feeding mechanism is more suitable for the tissue clip which can be automatically bounced off during ejection.
Owner:HANGZHOU KANGJI MEDICAL INSTR

Semiconductor structures and methods of forming them

A semiconductor structure and its forming method, the forming method comprising: providing a substrate, including a cell memory area and a content addressable memory area; forming a gate structure on the substrate, including a tunnel oxide layer and a floating gate structure located on the tunnel oxide layer A gate layer; a first source-drain doped region is formed in the substrate on both sides of the gate structure of the unit memory region; a second source-drain doped region is formed in the substrate on both sides of the gate structure of the content addressable memory region, and the second The doping concentration of the second source-drain doping region is lower than that of the first source-drain doping region. By reducing the doping concentration of the second source-drain doped region, the initial threshold voltage of the content-addressable memory is increased, and the electrons in the floating gate layer in the intrinsic state are correspondingly increased, so trap-assisted tunneling can be improved. effect, thereby improving the data storage capacity of the content addressable memory; in addition, the doping concentration of the first source-drain doping region is not affected, so that the performance of the unit memory region is not affected.
Owner:SEMICON MFG INT (SHANGHAI) CORP +1
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