14 results about "Microwave response" patented technology

The invention provides a double-ring microwave sensor combination which is composed of two microwave annular sensors which are located on the upstream and the downstream of a measuring pipeline respectively and are the same in structure, each microwave annular sensor comprises a coaxial feeder terminal, an annular pole plate and a shielding layer, and the annular pole plate is tightly attached to the outer wall of the measuring pipeline. The coaxial feeder terminal is electrically connected with the annular polar plate; the shielding layer is longer than the annular polar plate and is grounded; the coaxial feeder terminals of the two microwave annular sensors are both used as the access ends of microwave excitation signals and the receiving ends of microwave response signals. The invention also provides a structure optimization method of the double-ring microwave sensor combination and a method for measuring the related flow velocity of the inclined oil-water two-phase flow by using the double-ring microwave sensor combination. According to the invention, related flow velocity measurement of inclined oil-water two-phase flow under a complex flow pattern can be realized.

The invention discloses a spraying UHPC material heated through microwaves, a preparation method and a spraying method, and relates to the technical field of spraying UHPC, and the preparation method of the spraying UHPC material comprises the steps that a microwave response rheological capsule is prepared from a wrapping material, a microwave response medium and a rheological material serving as a core material; the microwave response early strength capsule is prepared from a wrapping material, a microwave response medium and an early strength material serving as a core material. The spraying ultra-high performance concrete is obtained by mixing and stirring the following raw materials in parts by mass: cement, fly ash floating beads, silica fume, superfine limestone powder, quartz sand, microfilament steel fibers, mixing water, a water reducing agent, a microwave response rheological capsule and a microwave response early strength capsule. In the jetting process, after the rheological capsule is dissolved and released, the static yield stress of the jetted UHPC can be rapidly improved, and after the early strength capsule is dissolved and released, cement hydration can be rapidly promoted, and the early strength of the jetted UHPC is improved.

A method of operation of a measurement system includes: generating a microwave excitation towards a sample; scanning the sample along a path at a first vertical position relative to the sample; capturing a first microwave response along the path at the first vertical position based on the microwave excitation; generating a first channel voltage based on the first microwave response; scanning the sample along the path at a second vertical position relative to the sample; capturing a second microwave response along the path at the second vertical position based on the microwave excitation; generating a second channel voltage based on the second microwave response; and determining a voltage difference between the first channel voltage based on the first vertical position and the second channel voltage based on the second vertical position for characterizing the sample.

The utility model provides a microwave human body induction LED lamp. The microwave human body induction LED lamp comprises a supporting rod, the outer side of the top end of the supporting rod is rotationally connected with a rotating seat, a connecting frame is fixedly installed on one side of the rotating seat, a rotating frame is installed on the inner side of the connecting frame, a lamp panel is fixedly installed on the inner side of the rotating frame, and a plurality of sets of LED lamp beads are fixedly installed on the lamp panel. Connecting shafts are fixedly installed at the two ends of the rotating frame correspondingly, and the two sets of connecting shafts are rotationally connected with the two sides of the connecting frame correspondingly. A control panel is fixedly installed on the inner side of the rotating frame, and a microwave induction module is installed on the control panel. According to the utility model, through the cooperation of the connecting seat, the lock column and the lock hole, the position of the rotating frame can be stably fixed, so that the illumination angle of a product can be flexibly adjusted according to the requirement of a user in the same installation environment, and the applicability of the product is improved.

The application relates to the field of semiconductor technology and discloses a microwave reflection photoconductance measurement system for wafer film carrier lifetime, which comprises a reconfigurable differential metasurface probe, which interacts with a wafer film to be measured in a near-field coupling mode; an optical excitation module, which performs pulsed light irradiation on the wafer film below a measurement area to generate non-equilibrium carriers; a dual-channel microwave transceiving module, which feeds microwave signals to the measurement area and a reference area; a closed-loop feedback control module, which receives the differential signal as input before the optical excitation module works; and a data acquisition and processing module, which collects transient changes of the differential signal after the optical excitation module works. The closed-loop feedback control module actively adjusts the microwave response of the reconfigurable probe reference area, the differential signal baseline is locked to zero before measurement, common-mode noise is suppressed, and the signal-to-noise ratio of the transient decay curve and the measurement accuracy are improved.

The present application relates to solid waste resource utilization and functional building material technical field, specifically relates to a microwave response type phosphoric acid geopolymer modified recycled aggregate, its preparation method and application, the method comprises the following steps: mixing phosphoric acid, phosphate and water to prepare an activator; then dry mixing silicon-aluminum raw materials and composite wave absorber (graphite powder and core-shell structure Fe3O4@C) and adding the activator to prepare geopolymer slurry; the recycled aggregate is soaked in the slurry to form a coating layer, and is cured after curing.The present application strengthens the recycled aggregate through the chemical bonding and physical filling of phosphoric acid geopolymer, and simultaneously utilizes the magnetic-electric synergistic effect of the composite wave absorber to give it high-efficiency microwave response capability.The modified aggregate is used for asphalt mixture, can rapidly produce heat at the aggregate-asphalt interface under microwave irradiation, and realizes efficient self-healing of microcracks.

The present application relates to a kind of microwave response antibacterial promotes the repair of bismuth telluride-based thermoelectric material and preparation and application, belong to biological medicine technical field.The microwave response antibacterial promotes the repair of bismuth telluride-based thermoelectric material includes zinc oxide-bismuth telluride.The preparation method of the microwave response antibacterial promotes the repair of bismuth telluride-based thermoelectric material, including the following steps: bismuth nitrate pentahydrate and polyvinylpyrrolidone are dissolved in ethylene glycol to obtain solution A;Sodium hydroxide and sodium tellurite are dissolved in ethylene glycol to obtain solution B;Zinc oxide is dissolved in ethylene glycol to obtain solution C;Solution A, solution B and solution C are mixed, and the mixed solution is heated, and reaction product is prepared by reaction;The reaction product is treated, and zinc oxide-bismuth telluride is prepared.The microwave response antibacterial promotes the repair of bismuth telluride-based thermoelectric material provided by the present application can not only avoid the related risk of antibiotic treatment when being used for wound infection treatment, but also effectively remove bacterial film and continuously promote wound repair.

The invention discloses a microwave biosensing real-time monitoring platform suitable for low-medium-concentration CEA in serum, and relates to the technical field of microwave biosensing. Quantitative analysis is carried out on serum protein characteristic parameters through the interference evaluation unit, four interference coefficients are obtained, interference state values are calculated in a normalized mode, then interference grading judgment is carried out according to the interference state values to obtain interferent information, grading separation shielding is carried out through the interference separation unit, and the interference quality is improved. The problem that low-concentration CEA microwave response signals are covered due to the fact that serum matrix interference cannot be accurately recognized and eliminated is solved. A sample parameter acquisition module, a serum interference separation module, a microwave monitoring module and a microwave evaluation real-time output module are used for completing microwave sensing monitoring and real-time evaluation output on a serum sample subjected to interference optimization, so that the problems that the sensitivity and specificity of serum low-concentration CEA detection are insufficient and real-time monitoring cannot be realized in the prior art are solved; and real-time microwave biosensing detection is realized.

The application discloses a kind of unmanned aerial vehicle airborne laser microwave mixed response device, belong to spaceflight measurement control and communication field.The device is composed of power supply unit, laser response unit, microwave response unit;Among them, laser response unit includes laser signal processing terminal, laser, transmitting light amplifier, laser transmitting light path and antenna, laser receiving light path and antenna, receiving light amplifier, photoelectric detector;Microwave response unit includes microwave signal processing terminal, Ka upconverter, power amplifier, transceiving distribution network and Ka antenna, low noise amplifier, Ka downconverter.Laser response unit and microwave response unit are interconnected by asynchronous serial port and LVDS synchronous serial port, and the response of laser microwave mixed measurement control communication can be completed.The device can be used for laser measurement control communication response or microwave measurement control communication response in time-sharing mode, and can also be used for laser microwave mixed measurement control communication response, with flexible and simple structure, easy to realize and popularize.

The invention relates to the technical field of functional mica filler, in particular to functional mica filler-based crack self-healing asphalt concrete and a preparation method thereof, the functional mica filler-based crack self-healing asphalt concrete comprises the following components: 10-16mm coarse graded steel slag, 5-10mm medium graded steel slag, 0.075-5mm fine graded steel slag filler, matrix asphalt, gradient modified mica functional filler and carbon nanotubes; through scientific proportioning of the components and optimization of a preparation process, multiple synergistic effects are realized: three-stage synergistic modification of the gradient modified mica functional filler and grading optimization of the steel slag aggregate are combined, so that the problems of insufficient compactness and limited mechanical strength of traditional asphalt concrete are solved, and the comprehensive performance of the asphalt concrete is improved. The self-healing efficiency and durability of the crack are improved through the sheet structure and interface modification of the mica; the microwave response characteristic of the carbon nanotubes is matched with a gradient feeding process, so that the problems of non-uniform energy transfer and poor component dispersion in the self-healing process are solved.

A method of operation of a measurement system includes: generating a microwave excitation to a sample; capturing a microwave response from the sample based on the microwave excitation; generating a baseband voltage based on the microwave response; determining a sense voltage based on the baseband voltage; generating an amplifier output voltage based on the sense voltage; and generating a channel output voltage based on the amplifier output voltage in a frequency range from a direct-current (DC) value to a predefined frequency value for characterizing the sample.

The utility model discloses an edge grinding device, including corner frame and four frame bodies, the inside of corner frame is placed with the swivel seat, the inner wall rotation of swivel seat is connected with two transmission rolls, and the outer wall of two transmission rolls is equipped with two transmission belts, the outer wall fixed connection of swivel seat has electric motor, and the one end of electric motor output shaft is fixedly connected with the outer wall of one transmission roll, the inside fixed connection of swivel seat has microwave response sensor, the inside fixed connection of corner frame has two supports, and the top fixed connection of two supports has same support ring.

The invention provides a magnetic microwave response material, a preparation method thereof and application of the magnetic microwave response material in treatment of emulsified oil wastewater, sodium montmorillonite is dispersed in deionized water to form a suspension, and a cationic surfactant and a nonionic surfactant are jointly dissolved in ethanol to obtain a mixed solution; adding the mixed solution into the suspension for reaction, and after the reaction is completed, centrifuging, washing and drying to obtain organic modified montmorillonite; ferroferric oxide nanoparticles are loaded on the organic modified montmorillonite by adopting a coprecipitation method. The magnetic microwave response material provided by the invention has excellent emulsified oil adsorption performance and microwave absorption capability, realizes efficient synergistic adsorption and degradation of emulsified oil under microwave irradiation, and is especially suitable for deep purification of low-concentration oily wastewater (especially spilled oil source water), so that the oil content of effluent reaches below the national drinking water standard (1t;

The application provides a microwave response type molecular rotor mixture for emulsified asphalt cold regeneration and a construction method thereof, wherein raw materials of the microwave response type molecular rotor mixture comprise an A component and a B component, the A component comprises waste asphalt pavement material RAP, carbon black and molecular rotor powder, and the B component comprises emulsified asphalt; after the raw materials are mixed, microwave irradiation treatment is performed; wherein the molecular rotor powder is obtained by covalently connecting 4-(triphenylmethylamino)-4-oxobutyric acid to an aminated silicon dioxide carrier. The application realizes rapid and uniform heating inside the mixture, thereby greatly shortening maintenance time required for opening traffic intensity of the emulsified asphalt cold regeneration layer from traditional 3-7 days to within 24 hours, greatly improving construction efficiency, and improving long-term durability, fatigue resistance and other road performances of the regenerated material.