36results about How to "Overcome needs" patented technology

The invention belongs to the technical field of radio signal identification, in particular to a communication protocol signal identification method based on a depth residual network. The method comprises the following steps of: performing time-frequency analysis on a communication protocol signal in a sample library, and converting a time-frequency spectrum diagram of the signal into a gray-scaleimage; training The depth residual network model by gray-scale image. The trained depth residual network model is used to detect and identify the specific communication protocol signals trained in thetransmission process. As that depth residual network is applied to the field of communication signal identification, the invention overcomes the defect of high signal quality requirement and high prior information requirement of the traditional method, etc. At low SNR, multipath delay, When Doppler frequency offset and some features of signal are obscured by strong interference noise, Doppler frequency offset can still accurately identify the protocol type, and it does not depend on the prior information of received signal, so it can directly process the received IF signal, and has robust performance and high efficiency, which provides ideas for the subsequent research in this field, and has strong practical application value.

The invention discloses a personalized dual hiding method based on location-based service privacy protection. The personalized dual hiding method overcomes the defects that single-point leakage is caused by the adoption of a trusted third party in the prior art and location privacy or inquiry privacy is achieved singly. The personalized dual hiding method comprises the following steps of (1) obtaining background information, (2) selecting an alternative inquiry content set, (3) selecting an alternative inquiry region set, (4) generating a hiding space, (5) selecting a false inquiry location, (6) selecting false inquiry content, (7) constituting a request, and (8) sending the request. By the adoption of the k-anonymity technology, the 1-diversification technology and the space hiding technology, personalized dual privacy protection of location privacy and inquiry privacy of a mobile object is achieved.

The invention discloses a control method for an unmanned express robot taking and getting off an elevator, and a control system used for the method. A host computer set on the unmanned express robot and an elevator external device installed in the elevator are used to realize that, when the unmanned express robot reaches the elevator of a predetermined building, the host computer is used to issuean elevator taking instruction to the elevator external device of the building, the external device controls the elevator to run to the floor which the unmanned express robot reaches, the unmanned express robot enters the elevator when the elevator meets the condition that the unmanned express robot can enter the elevator, and express delivery task is completed when the elevator runs to the reached floor, which overcomes the problem of being unable to climb the stairs and take the elevator, and unable to meet the demand of a home delivery service in the prior art, and can achieve the coverageof delivery areas, realize express upstairs, and realize the communication between the elevator external device and the unmanned express robot without modifying the elevator internal procedure, thereby ensuring the absolute zero interference during the elevator operation and having good safety.

Being related to master/slave devices, the method includes steps: (1) master device sends clock signal, synch signal, and data to slave device; (2) when receiving data, the slave device transmits the synch signal received at same time to the master device; after receiving the transmitted synch signal from the slave device, the master device returns the synch signal back to the slave device; (3) using the received clock signal, the slave device counts value of transmission delay (VTD) between the received synch signal and the returned synch signal; (4) using the received synch signal as reference and based on VTD, the slave device adjusts preact of time for sending data to the master device; (5) based on clock signal and synch signal, the master device extracts the received data. The invention prevents signal error from transmission delay of synch signal caused by long transmission line as well as overcomes too high demand on hardware and processing capabilities.

The invention discloses a method for forecasting the working life of an integrated circuit based on an electronic speckle technique, and the method comprises the following steps: applying temperature stress to an integrated circuit test piece by establishing a measuring system based on the electronic speckle technique, measuring change rules of out-of-plane displacement of the integrated circuit test piece encapsulation along with temperature, finding a temperature point where a failure mechanism of the integrated circuit test piece changes, and then determining a temperature range consistent with the failure mechanism; then exacting failure activation energy according to the change rules of the out-of-plane displacement of the integrated circuit test piece in the temperature range consistent with the failure mechanism; and finally, establishing a life forecasting model in combination with an Arrhenius model and an accumulative failure model and obtaining the working life of the integrated circuit test piece in different temperature environments.

The invention belongs to the technical field of communication network security, and discloses an Internet of Things perception data sharing transaction platform, a control method, equipment and a terminal, and the Internet of Things perception data sharing transaction platform comprises a perception convergence layer, a control transmission layer, a sharing transaction layer, an application interaction layer, a blockchain bottom layer platform, a blockchain network and a blockchain bottom layer architecture. According to the invention, based on a cloud-fog mixed structure data architecture, perception data in the same management domain is collected, encrypted and published by using edge fog nodes, and a cloud server is used as a transfer point to store transaction data, so a decentralized and extensible identity management, credible authentication and data transaction environment is realized; fog nodes and data consumers responsible for sensing equipment management join an alliance chain, a trusted center does not need to be selected to organize transactions, platform nodes do not need to carry out peer-to-peer free transaction negotiation, data security sharing is realized by utilizing flexible autonomy of an intelligent contract and real-time adjustment of cloud server data access authority, and the method has the advantage of transaction traceability.

The invention relates to a process method for obtaining acetylene gas from semi-coke via calcium carbide and further producing ethylene by hydrogenation. A process for producing methanol or dimethyl ether from coal-based or natural gas-based synthetic gas and further producing low-carbon olefins mainly comprising ethylene and propylene has the disadvantages of long process flow, complex process and large investment. The process method provided by the invention comprises the steps of drying and screening semi-coke, then mixing with lime powder, producing calcium carbide in a closed calcium carbide furnace and obtaining hydrogen from tail gas of the calcium carbide furnace through PSA; enabling obtained calcium carbide to react with water to produce acetylene gas; mixing acetylene gas with hydrogen according to a proportion, then compressing, entering an acetylene gas hydrogenation reactor, performing acetylene gas hydrogenation reaction under the action of a palladium-series silver-added additive catalyst, cooling the gas after reaction and then purifying through a rectification device to obtain ethylene gas. According to the ethylene production process provided by the invention, the supply-demand contradiction of semi-coke and calcium carbide can be relieved, the range of industrial applications of semi-coke and calcium carbide is expanded, the ethylene production method is enriched and the shortcomings of long process flow, high investment and large water demand of the existing ethylene production method are overcome.

The invention relates to a method for preparing a modified liquid metal soap thermal stabilizer through potassium ion characteristic doping, belonging to the technical fields of fine chemical engineering and high molecular material application. The invention researches and develops a potassium-ion-doped PVC (polyvinyl chloride) liquid metal soap thermal stabilizer. The synthesis method of the thermal stabilizer comprises the following steps: adding composite organic acid into a three-neck flask, stirring, and heating to 90-100 DEG C; adding solid potassium hydroxide in batches; after the reaction is complete, performing reduced-pressure distillation to dewater; cooling to 80 DEG C, then adding a liquid metal soap and a solvent, and continuously stirring to react; and finally, performing reduced-pressure filtration to obtain a yellowish transparent oily liquid. By utilizing the fact that metal potassium salt has fine long-term thermal stability, produces an obviously strong inhibition effect on zinc burning and has obvious cooperativity with other metal salt, the potassium-ion-doped PVC liquid metal soap thermal stabilizer is directly prepared through a solid-liquid one-step reaction method. The thermal stabilizer has the advantages of low cost, no toxicity, environment friendliness, simple process, fine performance, light appearance color and the like, and is easy to popularize and apply.

The invention discloses a device and a method for dynamic authorized electricity price metering and intelligent electricity utilization regulation and control of an internet of things. The method comprises the following steps of: dynamically determining dynamic authorized electricity prices according to power generation and power consumption at different time intervals, and then sending the dynamic authorized electricity prices to a user at a power utilization side through the ubiquitous power internet of things. The device and the method can perform dynamic authorized electricity price metering and charging, achieve the dispatching control of the load of the electricity utilization side, solve the problem of bidirectional interactive communication between the power grid and the user, andsimultaneously achieve the network safety isolation and avoid network attack.

The invention provides a gesture recognition method and device and electronic equipment, and the method comprises the steps: enabling an MYO gesture control armlet to serve as electromyographic signalcollection equipment to obtain a to-be-recognized electromyographic signal, and enabling the to-be-recognized electromyographic signal to be a one-dimensional time sequence signal; preprocessing theto-be-identified electromyographic signal to generate to-be-input data used for identification operation; and inputting the to-be-input data into a preset gesture recognition model for recognition soas to obtain a gesture action label having a mapping relationship with the to-be-recognized electromyographic signal, with the gesture recognition model being constructed and generated by taking a long short-term memory network LSTM as a base learner. The gesture recognition model is constructed by taking a long short-term memory network LSTM as a base learner, so that the problems of insufficientexpression ability and large vocabulary quantity for gesture recognition of sequence characteristics and big data and difficulty in meeting recognition requirements are solved, and the accuracy of gesture recognition is improved.

The invention relates to the technical field of computer vision and image processing, in particular to a multi-ellipse detection and evaluation algorithm and device based on image gradient information, a terminal and a readable storage medium, and the method comprises the steps: S1, extracting feature points from a to-be-tested image through an edge detection algorithm; s2, randomly extracting three points from the feature point set, and substituting the three points into an ellipse evaluation algorithm to evaluate an algebraic coefficient of an ellipse; s3, judging whether the evaluated ellipse is valid or not according to the algebraic coefficient obtained by the evaluated ellipse; s4, searching all inner points in the feature point set; s5, substituting the interior points into an ellipse evaluation algorithm, re-evaluating the algebraic coefficient of the ellipse; S6, judging whether the evaluated ellipse is valid or not according to the evaluated algebraic coefficient of the ellipse and the interior point set; and S7, recording evaluation parameters, and removing interior points. According to the method and the device, the problems of high memory requirement, long calculationtime, inaccurate evaluation result and the like when the traditional Hough transform is used for detecting and evaluating complex geometrical elements are solved.

The invention discloses a planting method of high-benefit and pollution-free green tea trees. The planting method comprises steps as follows: (1) garden selection; (2) garden treatment; (3) planting of green tea tree seedlings; (4) interplanting of Chinese toon trees; (5) planting of vetiver grass; (6) fertilizer and water management; (7) pest control; (8) picking of finished products. According to the planting method of high-benefit and pollution-free green tea trees, through interplanting of the Chinese toon trees and planting of the vetiver grass in a garden, the quality of green tea is greatly improved, the yield of green tea is greatly increased, the problem that the yield and quality of green tea produced with existing green tea cultivation methods cannot meet the demands of consumers is solved, pollution-free management measures are taken in culture and growth processes, the quality of the green tea is further stabilized, finally, the comprehensive economic benefit per mu yield of green tea planting is increased by 50%-60%, the content of four heavy metals including copper, mercury, lead and arsenic in the green tea is measured to be 70% lower than or above that in existing green tea, and the quality of green tea is greatly improved.

The invention discloses an ignition coil testing system, comprising: a control unit, an environment simulation device, a signal generator, an oscilloscope, a temperature sensor, an air pressure sensor, a programmable DC power supply and an ignition coil; the temperature sensor and the air pressure sensor are arranged in the environment simulation device Inside; the ignition coil is installed in the environment simulation device, and the signal generator is respectively connected with the control unit and the excitation end of the ignition coil; the programmable DC power supply is respectively connected with the control unit and the primary coil of the ignition coil; the oscilloscope is respectively connected with the control unit and the ignition coil The ignition terminal connection. The present invention and its preferred solution can simulate the environmental conditions of actual working conditions, and the conditions for triggering ignition can be adjusted flexibly, providing a comprehensive and perfect test platform for the development of ignition coils, thus overcoming the lack of consistency in existing test methods , unstable results, and defects that cannot meet development needs.

The invention discloses a sensor based on a micro-fluidic chip. The sensor based on the micro-fluidic chip comprises an upper chip and a lower chip, wherein the upper chip and the lower chip are laminated by a double-layer force adhesive film; a micro groove is formed in the upper chip and is used for placing a PVDF (Polyvinylidene Fluoride) isolating membrane; a micro channel is formed in the upper chip and is used for placing a counter electrode and a reference electrode; the lower chip is composed of holes and micro channels; and the holes comprise a sample reserve hole, a waste liquor hole, a cleaning fluid hole, a liquid outlet hole and the rest of open micro channels. The system can overcome the defects that the traditional electrochemical transducer is complicated in component, large in electrolyte demands, poor in repeatability, short in service life, narrow in application field and the like, is capable of qualitatively and quantitatively perform small-molecule electrochemicaldetection, and has wide application prospects. The sensor system based on the micro-fluidic chip has the characteristics of being simple in operation, wide in application range, high in accuracy, integrated in multifunctional units on the chip, portable in system, automatic in operation and the like.

The invention relates to a trawl line droop type oyster collector production device and a trawl line droop type oyster collector production method and belongs to the field of fishery machinery. The trawl line droop type oyster collector production device comprises a frame, a machining table is disposed on the upper portion of the frame, a tape conveyor, a punching mechanism, a top rope perforator and an anti-rust aluminum wire rotating and winding mechanism are disposed on the machining table sequentially along a plastic tape conveying direction, an anti-rust aluminum wire clipping device is positioned on the upper side of the top rope perforator and arranged beside the antirust aluminum wire rotating and winding mechanism, and a plastic tape clipping mechanism and a collector bunching collection mechanism are arranged at the output end of the machining table. The trawl line droop type oyster collector production device is compact in structure and used for producing trawl line droop type oyster collectors conveniently. The trawl line droop type oyster collector production method is simple and convenient.

The invention discloses a comprehensive weed control method for pollution-free tea, provides a whole set of comprehensive weed control method, which can comprehensively perform agrotechnical control, physical and mechanical control, chemical control and biological control and achieves the weed control rate of 95% or above on the premise of not influencing the pollution-free quality requirement of tea, for pollution-free tea, and solves the problem that the yield and the quality of the pollution-free tea in the prior art cannot meet the requirements of consumers. Starting from various aspects, the comprehensive weed control method prevents tea from pollution in all directions, further improves the sustainable development and the quality of the pollution-free tea and conforms to the trend that in the current social development, consumers require much on the quality of tea.

The embodiment of the invention provides a beryllium metal polluted soil repairing agent and a preparation method thereof and belongs to the technical field of soil repairing. The repairing agent comprises 80-120 parts of a mineral microcapsule material, 10-40 parts of sepiolite powder and 30-60 parts of hydroxide. The beryllium metal polluted soil repairing agent has the technical fields of efficient soil repairing and high economy.

The invention discloses a self-organizing network time-frequency resource scheduling method supporting resource fragment reduction, and mainly solves the problems of resource fragment generation, influence on full utilization of time-frequency resources and resource waste in self-organizing network resource distribution of a conventional USAP (Uniform Time Slot Allocation Protocol). According to the implementation scheme, the method comprises the steps of obtaining resource occupation information of nodes in two hops and resource demand information between the nodes by utilizing information interaction between the nodes; establishing a resource information table for each node in the ad hoc network by using the acquired resource occupation information and resource demand information; enabling the sending end to reserve a time slot and carry out detection; and enabling the receiving end to confirm the time slot and carry out detection. According to the method, the generation of resourcefragments is reduced, link resources can be fully utilized, the channel multiplexing rate is improved, and the method can be used for resource allocation of links between nodes in a multi-channel self-organizing network.

The invention provides a three-guiding-rod synchronous variable pitch device and an assembling method thereof. The three-guiding-rod synchronous variable pitch device is characterized in that a bladerotary bearing is included; the outer circle of the blade rotary bearing is connected with a blade, and the inner circle of the blade rotary bearing is connected with a hub; the outer circle of the blade rotary bearing is connected with a synchronous disc through a connecting rod; and three guiding sleeves are arranged on the synchronous disc, three parallelly-arranged guiding rods are arranged inthe three guiding sleeves correspondingly, and the synchronous disc can move front and back along the guiding rods. By changing the mounting mode of the rotary bearing, a set of brand new transmission structure is designed, thus the size of the hub is decreased by 20%, the blade mounting precision is improved, and a blade transferring flange with the high manufacturing requirements and cost is omitted; and a front guiding rod mounting seat and a rear guiding rod mounting seat are separated from the hub, thus the front guiding rod seat and the rear guiding rod seat are machined together, and the accuracy of a guiding mechanism of the synchronous disc is guaranteed.

The invention discloses a heat treatment process of a 7A33 aluminum alloy sheet; tests research the influence of annealing, quenching and double aging process parameters on the mechanical performance and the structure of the 7A33 aluminum alloy sheet, measure the intergranular corrosion performance, the stress corrosion performance and the electrical conductivity of alloy samples, and determine an O-state annealing process system capable of enabling the alloy sheet to obtain better comprehensive performance to preserve the temperature of 390-410 DEG C for 2 h; a T62-state heat treatment process system is 460 DEG C of quenching temperature and water quenching; and the double aging system is 75 DEG C for 1 h and 150 DEG C for 20 h. The 7A33 aluminum alloy sheet accordant with the requirement is industrially produced.

The invention discloses an air-source air conditioning system provided with double heat storage devices. The air-source air conditioning system comprises a compressor, a four-way reversing valve, an indoor heat exchanger, an outdoor heat exchanger and a refrigerant replenishing machine; air compressed by the compressor is fed via a first interface of the four-way reversing valve, is discharged viaa third interface of the four-way reversing valve and is condensed in the outdoor heat exchanger; the condensed liquid flows to a drying filter sequentially via the refrigerant replenishing machine and a first one-way valve; the liquid is divided into two routes after flowing out of the drying filter, one route of the liquid flows through a seventh electromagnetic valve, a thermal expansion valve, a heat radiating and accumulating heat exchanger, an eighth electromagnetic valve and an injector and afterwards enters the four-way reversing valve together with the air discharged from the compressor; the other route of liquid flows into an air and liquid separator via a third electromagnetic valve, a third one-way valve, a second electromagnetic valve, a fifth electromagnetic valve, the indoor heat exchanger and the four-way reversing valve; and the separated air flows into the compressor to be compressed. The air-source air conditioning system disclosed by the invention adopts double heat-storage heat exchangers, realizes defrosting, provides a low-level heat source capable of continuously supplying heat, and is beneficial for miniaturization of the heat radiating and accumulating heat exchanger.

Disclosed are a cluster cooperative combination type unmanned boat system and a control method thereof. The unmanned boat system comprises a plurality of monohull ships, wherein one side faces of the monohull ships are provided with electromagnet suction devices, and the other side faces of the monohull ships are provided with hull sucking surfaces, and the plurality of monohull ships are sucked together by virtue of the electromagnet suction devices and the hull sucking surfaces to form a combination . Each monohull ship is provided with a GPS location device, marine obstacle avoidance radar, a communication antenna, a master controller and an underwater 360-degree whole cyclotron propeller. Each monohull ship is in the structure of prism or hexagon and the hull sucking surfaces of all the monohull ships are made of magnetic materials. According to the invention, stability is increased by using the mode of cluster cooperative combination, the needs of different tasks are satisfied, and the working efficiency is greatly improved. Moreover, the unmanned boat system has the advantages of simple and efficient structure and flexible operation.

The invention discloses a rotation type self-adaption magnetorheological fluid damper. The rotation type self-adaption magnetorheological fluid damper comprises a cylinder and is characterized in thatthe cylinder is divided into vibration excitation layers and magnetorheological damping layers, an elongated fixed shaft is arranged inside the cylinder, and a rotary shaft is arranged outside the fixed shaft and can freely rotate around the fixed shaft; each vibration excitation layer is provided with two mass blocks which can move in one direction; one end of each mass block is connected with the inner wall of the cylinder through a spring, and the other end of each mass block is connected with a limit bearing inside a rotary disc through a connecting rod; each magnetorheological damping layer is provided with a built-in magnetorheological fluid storage cavity, and two excitation coils are arranged on each of the upper surface and the lower surface of the magnetorheological fluid storage cavity; the excitation coils are connected into a circuit control chamber on the periphery of the corresponding magnetorheological fluid storage cavity; blades are arranged inside the magnetorheological fluid storage cavities and connected with the rotary shaft.

The invention discloses a drying method for preparing reddish brown pawpaw and belongs to the technical field of processing of dry fruit and vegetable products. The method comprises the following steps: cleaning immature green pawpaw serving as a raw material, cutting into two halves, placing into an airtight container, heating and steaming by using steam produced by a 100 DEG C water bath till the surface of pawpaw turns yellow completely; irradiating the steamed yellow pawpaw blocks under a simulation sunlight lamp till pawpaw blocks become light brown, and drying in the air to obtain reddish brown pawpaw. By adopting the method, the requirements on place and sunlight in natural drying are avoided, the drying time is shortened, the reddish brown color which is the same as the color produced in a natural sunburn mode can be produced without adding any reagent, the original flavor and mouthfeel of pawpaw are kept, and the shelf life of a product is prolonged. The reddish brown pawpaw caters to the color favors of most people and has a wide business outlook.

The invention discloses a multi-sliding-block variable-tonnage continuous forging and pressing machine tool. The continuous forging and pressing machine tool comprises a machine frame, wherein a forging and pressing mechanism and a forging and pressing platform are arranged on the machine frame; the forging and pressing mechanism comprises a driving mechanism, a connecting rod transmission mechanism, crank connecting rod mechanisms and sliding blocks; the driving mechanism is provided with a driving gear, and an eccentric shaft is arranged on the driving gear; the connecting rod transmission mechanism is composed of a transmission connecting rod and at least two transmission wheels, at least two mounting holes are formed in the transmission connecting rod side by side, an eccentric hole is formed in each transmission wheel, the mounting holes and the eccentric holes are correspondingly connected through pin shafts, and one of the mounting holes and the eccentric holes are arranged on the eccentric shaft in a sleeving manner; each crank connecting rod mechanism is composed of a crankshaft and a crank, the crankshafts are connected with the transmission wheels, the swing ends of the cranks are connected with the sliding blocks; and the sliding blocks are arranged in sliding grooves. According to the continuous forging and pressing machine tool, the occupied area is small, the equipment investment cost is low, the effective forging and pressing area is large, the random adjustment on the forging and pressing tonnage is realized, and the requirement for continuous forging and pressing of each working procedure of the product is met.

The invention discloses chitosan anti-bacterial anti-mite functional fabric used for a starred hotel and a production method thereof. Warp yarn of the fabric is pure-cotton yarn of J12.5tex, weft yarnis blended yarn in which the content of J12.5tex cotton is 90%, and the content of chitosan is 10%, warp-wise density is 787.5 pieces/10 cm, and weft-wise density is 433 pieces/10 cm. Biological element chitosan fibers and cotton fibers are subjected to mixed knitting to prepare the fabric, and the fabric is full in style, smooth in touch, soft, comfortable and quite suitable for close fitting; the natural fibers are adopted as product raw materials and completely meet the demand for environmental protection of people, no harmful substance is included, and with the fibers containing the chitosan, the fabric has the beneficial functions of natural mite resistance and dispelling, peculiar smell elimination, formaldehyde and metal ions adsorption, and others.

The present invention discloses a mobile communication terminal dual polarization sub-6GHz antenna system. The system comprises a PCB mainboard covering four corner angles of a mobile communication terminal, and a first antenna unit and a second antenna unit which are orthogonally arranged on the PCB mainboard in a corner area range, the PCB mainboard comprises an outer-layer surface, a metal floor layer, a bottom-layer surface, and a dielectric layer configured to separate the outer-layer surface, the metal floor layer and the bottom-layer surface from one other, the first antenna unit is arranged on the outer-layer surface, the second antenna unit is arranged on the bottom-layer surface, the first antenna unit and the second antenna unit are both monopole antennas, one end of the first antenna unit is provided with a first feeding point, and one end of the second antenna unit is provided with a second feeding point. The resonant frequency of the mobile communication terminal dual polarization sub-6GHz antenna system is 3.4-3.6GHz, can combine an MIMO array according to actual demands and can be used individually; and moreover, the mobile communication terminal dual polarization sub-6GHz antenna system employs a dual-polarization antenna implementation mode to ensure achieving of good radiation without mutual interference in a condition that the antenna is located in a small space distance.

The invention relates to a preparation method of a piezoelectric enhanced nano array micro-fluidic photoelectrochemical sensor for procalcitonin (PCT) detection. According to the invention, a nano array ZnO/WO3 is used as a substrate material, and a piezoelectric built-in electric field assisted self-enhanced photocurrent is obtained under the pressure generated by fluid collision and the irradiation of visible light. The micro-fluidic biosensor consists of three parts, namely micro-fluidic bottom plate ITO (Indium Tin Oxide) conductive glass, a micro-fluidic chip and a silk-screen printing microelectrode, and the micro-fluidic chip comprises an electrode groove for placing a counter electrode, a reference electrode, a working electrode, a sample inlet, a micro-channel, a sample outlet anda micro-channel; iTO conductive glass is etched, Ag/AgCI slurry silk-screen printing and ZnO/WO3 nano material modification are sequentially carried out, and a bottom plate of a micro reference electrode and a bottom plate of a micro working electrode are obtained; photoelectrochemical three electrodes are integrated on the micro-fluidic biosensor, automatic detection can be realized by utilizingcontrol of a pump, and an accurate detection result can be quickly obtained without human interference. The piezoelectric enhanced micro-fluidic photoelectrochemical sensor can realize rapid, efficient, sensitive and automatic detection of a septicemia marker procalcitonin.

The invention discloses a wireless data transmission method of a partial discharge wireless monitoring system. The method is a Zigbee protocol-based wireless communication technology with the advantages of low power consumption, near distance, simplicity and easy realization, and can be well applied to data transmission in a power distributing station.

Telomerase can maintain the length of telomere by triggering amplification reaction, thereby causing cell immortalization and carcinogenesis. Research shows that telomerase is overexpressed in almost all cancer cells, so that telomerase becomes one of important biomarkers. Therefore, the development of a technology for sensitively detecting telomerase is of great significance for early diagnosis and treatment of tumors. The invention designs and develops a fluorescent probe for detecting the activity of telomerase based on blocking materials S1 and S2. A telomerase primer S1 capable of triggering repeated amplification reaction of telomerase and S2 capable of undergoing multiple hybridization reaction with an amplification product are adopted as the blocking materials of a porous nano-carrier to simulate and construct an intelligent lock, so that high-specificity and ultra-sensitive detection of the activity of telomerase in cancer cells is realized, the defects of low detection sensitivity, large sample demand, tedious steps, high cost and the like of a traditional method are overcome, and a new strategy and method are provided for living body and cell detection and in-situ imaging.