823 results about "Microwave power" patented technology

In one embodiment, the present disclosure is directed to a system for controlling microwave power delivered to a distributed electrode to improve the uniformity of an electric field on the distributed electrode. The system includes an RF source circuit comprising at least one RF generator and multiple RF source circuit outputs, each RF source circuit output outputting an RF source signal having a frequency of at least 300 MHz. For each of the RF source circuit outputs, a solid-state impedance matching circuit is operably coupled to the RF source circuit output and configured to receive the RF source signal output by the RF source circuit output. For each of the matching circuits, a system output is operably coupled to the matching circuit and configured to output the RF source signal to a distributed electrode of the load.

The invention relates to the field of food processing, and discloses a pet food hot air drying processing technique which comprises the following steps: heating raw materials by using microwaves, and exciting and evaporating moisture in the raw materials by radiating the raw materials on a conveying belt through the microwaves; moisture on the surface of the food is removed through hot air drying; microwave heating and hot air drying processes are carried out synchronously, and processing data are regulated and controlled in real time through an intelligent control system. The microwave heating is realized through a frequency-adjustable microwave emitter, and the microwave frequency adjustment range of the frequency-adjustable microwave emitter is 2400 MHz to 2500 MHz. The scheme of combining microwave and hot air drying technologies is adopted, microwave is used for heating internal moisture, a hot air system is matched for removing surface moisture, microwave power and hot air temperature are adjusted in real time, the uniform drying effect is achieved, surface hardening is effectively avoided, it is ensured that moisture inside and outside food is uniformly released, and drying quality and efficiency are improved.

The invention discloses a composite coated graphite negative electrode material, a preparation method thereof and a lithium ion solid-state battery, and belongs to the technical field of lithium ion solid-state batteries, the composite coated graphite negative electrode material comprises a graphite matrix and a composite coating layer, and the composite coating layer comprises an inner layer amorphous lithium chloride and an outer layer nanocrystalline LiF / Li3N composite phase. Mixing graphite, lithium chloride containing crystal water and ammonium fluoride to obtain a mixed material; placing the mixed material in a microwave reaction cavity, heating the mixed material to 600-700 DEG C at the microwave power of 800-1200 W in an H2 / Ar mixed atmosphere, and keeping the temperature for 20-60 minutes; and cooling the sintered mixed material, grinding, and sieving with a 100-300 mesh sieve to obtain the composite coated graphite negative electrode material with a coating layer thickness of 10-50 nm. The invention provides an innovative amorphous LiCl / nanocrystalline LiF-Li3N gradient coating layer design, the performance of the lithium ion battery is remarkably improved by optimizing an ion migration path, enhancing the interface stability and reducing the process cost, and a new engineering way is provided for realizing high magnification and long cycle performance of the sulfide all-solid-state battery.

The invention provides a method for growing an oversized diamond polycrystalline film. The method comprises the following steps: S1, cleaning and drying a monocrystalline silicon wafer at room temperature; s2, carrying out pretreatment seed crystal on the monocrystalline silicon wafer, covering a diamond nanocrystalline layer on the silicon surface, and putting the monocrystalline silicon wafer into MPCVD (Microwave Plasma Chemical Vapor Deposition) equipment; s3, the cavity is vacuumized, then hydrogen is introduced for purging, and then vacuumizing is conducted again; then hydrogen is introduced, the air pressure is regulated and controlled to be 5-8 torr, and starting is started to ignite the plasma; s4, the microwave power is increased to 70 KW to 75 KW at the speed of 4.5 KW / min to 5.5 KW / min, the air pressure is increased to 165 torr to 180 torr at the speed of 10 torr / min to 30 torr / min, and the temperature is increased to 900 DEG C to 950 DEG C at the speed of 60 DEG C / min; s5, introducing growth gas, wherein the flow rate of hydrogen is 5000-6000 sccm, the flow rate of methane is 100-150 sccm, the flow rate of oxygen is 5-8 sccm, the flow rate of nitrogen is 1-2 sccm, and the flow rate of argon is 800-1000 sccm; and S6, after the growth is finished, cooling at a rate of 30 DEG C / min, and introducing nitrogen into the cavity for vacuum breaking until the temperature is reduced to room temperature, so as to obtain the oversized diamond polycrystalline film. The size of the oversized diamond polycrystalline film reaches 12 inches.

The invention discloses a microwave power detection system and a multipath microwave power detection consistency control method, and the method comprises the steps: carrying out the pi-attenuation test of a plurality of resistance value combinations through a pi-attenuation test circuit unit in the microwave power detection system, so as to determine the pi-attenuation initial values of a plurality of branch detection modules; the method comprises the following steps: acquiring a pi-decay initial value, performing multi-path microwave power detection according to the pi-decay initial value, selecting a branch detection module with microwave power test data closest to an average value of multi-path microwave power test data as a reference circuit, and adjusting other branch detection modules on the basis to complete consistency setting of multi-path microwave power detection. By adopting the multi-path microwave power detection method and device, the difference between the branches in the multi-path microwave power detection process can be effectively eliminated, the consistency of multi-path microwave power detection can be better controlled, and the precision and reliability of multi-path microwave power detection are improved.

The utility model discloses a polycrystalline reduction starting device and a microwave power supply heating system, and relates to the technical field of polycrystalline silicon, a polycrystalline reduction furnace comprises a reduction furnace base and a bell jar which are detachably connected, the polycrystalline reduction starting device is characterized in that the tail of a microwave energy feedback device is connected with a microwave transmission device, and the microwave transmission device is used for being connected with a microwave emission device; the microwave energy feedback device is installed on the surface of the bell jar and guides microwave energy into the polycrystalline reduction furnace to heat the silicon core. The microwave energy feedback device introduces microwave energy into the reduction furnace to heat the silicon core, so that the resistance value of the silicon core can be reduced, the silicon core can be subsequently subjected to breakdown start with lower voltage, microwave heating can be started at low voltage, the phenomenon of discharge sparking in the reduction furnace is avoided, an insulating part at the bottom of the reduction furnace is prevented from being damaged, and safe operation of equipment can be ensured; and other materials or impurities cannot enter the reduction furnace through microwave heating, so that the environment of the reduction furnace is prevented from being polluted, and the purity of generated polycrystalline silicon is prevented from being reduced.

The invention discloses a deep arsenic removal device for phosphoric acid and an arsenic removal process thereof, and relates to the technical field of efficient arsenic removal in phosphoric acid, the deep arsenic removal device comprises an automatic feeding continuous arsenic removal reactor, under the cooperation of a temperature control heating assembly, an arsenic biosensor, a material removal driving motor, a rotating rod, a drying rake blade and a heat conduction rod, the position of a microwave heating source is adjusted, and the arsenic removal efficiency is improved. The microwave heating is more accurate through the intelligent control of the microwave power, and the microwave heating is combined with the internal drying rake blade stirring system, so that the heating efficiency of the material is improved, the uniform mixing of the material is promoted, the temperature change of different areas in the automatic feeding continuous arsenic removal reactor can be adapted, and the continuous arsenic removal effect is improved. According to the technical scheme, the uniformity and controllability of reaction conditions are guaranteed, the heat conduction rods arranged in an array mode can quickly respond to temperature changes, uniform distribution of heat is achieved, local overheating is avoided, meanwhile, the heat conduction path can be flexibly adjusted according to requirements, and the temperature uniformity in the automatic feeding continuous arsenic removal reactor is guaranteed.

The invention relates to an integral microwave-assisted additive manufacturing device and method. The integral microwave-assisted additive manufacturing device comprises a microwave high-temperature cavity, a microwave leakage-proof outer cavity, a microwave element, a high-temperature thermocouple, a high-temperature supporting mechanism and a servo driving mechanism. The microwave auxiliary device is fixed to the supporting frame, and the servo driving mechanism drives the forming base plate to move synchronously through the high-temperature supporting mechanism. According to the device and the method, an additive manufacturing component can autonomously absorb microwaves in a forming high-temperature state, microwave energy is converted into heat energy, rapid temperature rising of the material is achieved, meanwhile, under the synergistic effect of microwave coupling external heat sources, synchronous preheating and slow cooling inside and outside the material are achieved, thermal stress in the forming process is reduced, and therefore material cracking is effectively restrained. The heating temperature and the heating rate are regulated and controlled by controlling the microwave power, so that on-demand preparation of the microstructure of the material is realized; the microwave plasma heat effect and the electric field enhancement effect in the microwave heating process can promote densification of a formed component, and the overall performance of the material is remarkably improved.

A radio frequency microwave power level control device with temperature compensation comprises a sampler, a power level preset circuit, a digital processing circuit and a power level control circuit. The sampler comprises a power measurement thermistor, a temperature compensation thermistor, a heating resistor and a temperature acquisition resistor which are independently connected in parallel; the power measurement thermistor, the temperature compensation thermistor, the heating resistor and the temperature acquisition resistor are respectively connected with the digital processing circuit; the other end of the digital processing circuit is connected with the power level control circuit; three standard resistors of the power level preset circuit and the power measurement thermistor form a Wheatstone bridge, and then the Wheatstone bridge is connected with the digital processing circuit. The other end is connected with the power level control circuit; the whole device is electrically connected to form a complete closed loop. According to the utility model, by adding a temperature compensation function, errors caused by temperature drift of the sampler are reduced, and the precision of radio frequency microwave power level control is improved.

The invention relates to the technical field of industrial control, and discloses a real-time dynamic tuning system for a microwave drying process, which is characterized in that temperature distribution, microwave power intensity, humidity gradient and material deformation parameters in a drying cavity are acquired in real time, and time-space alignment and noise suppression are carried out on data of a multi-source sensor based on a Kalman filtering algorithm; generating a drying state matrix, generating a three-dimensional regulation and control instruction containing microwave emission frequency, power partition and drying time according to the drying state matrix by adopting a mixed algorithm of model predictive control and fuzzy logic, and taking the deviation between a final moisture content detection value of the material and a model predictive value as a loss function through an online error back propagation model. The weight coefficient of the microwave-thermal-mass transfer coupling model is dynamically corrected, the microwave energy ratio is optimized based on the improved particle swarm optimization, and the three-dimensional gradient field intensity distribution matched with the material morphology is generated according to the three-dimensional regulation and control instruction, so that the efficiency of the microwave drying process during real-time dynamic regulation and optimization is improved.

The invention discloses an electron linear accelerator for radiotherapy equipment in an X-ray operation. The microwave power source sequentially passes through the circulator and the power divider and then is connected with the first coupler and the second coupler, the first coupler is connected with the first acceleration cavity to provide an independent microwave magnetic field, and the second coupler is connected with the second acceleration cavity to provide an independent microwave magnetic field. An electron gun of the electron linear accelerator is sequentially connected with the first acceleration cavity and the second acceleration cavity and then outputs electron beams; the first coupler inputs the microwave power to the first acceleration cavity, so that the first acceleration cavity optimizes the electron beam energy spectrum monochromaticity; and the second coupler inputs the microwave power into the second acceleration cavity, so that the second acceleration cavity accelerates the electron beam to required energy. According to the electron linear accelerator, the needed electron beam energy can be achieved only through the two cavities, a large amount of energy of the finally obtained electron beam is concentrated on the needed energy through the acceleration mode, and in other words, the energy spectrum monochromaticity is better.

A ray generating device and a control method thereof are provided. The ray generating device includes: an electronic beam generating device; a microwave generating device; a microwave circulator, having a power input port and at least two power output ports, the power input port being connected to the microwave generating device; a plurality of accelerating tubes respectively connected to at least two power output ports, configured to respectively receive a plurality of electronic beams, and accelerate electronic beams respectively through microwaves received from the at least two power output ports, and to respectively generate a plurality of rays having at least two different energies; and a controller, configured to perform chronological control on microwave power of the microwave generating device, and chronological control on beam loadings of the electronic beams generated by the electronic beam generating device and respectively corresponding to accelerating tubes.

The invention discloses a microwave vacuum low-temperature liquid continuous belt dryer which comprises a concentration device, a main machine device, a material distributing device, a material collecting device, a packaging device, a vacuum device and a cold water device. Wherein the liquid product is primarily evaporated through the concentration device; the host device comprises a cavity and a plurality of belt conveying modules; a plurality of groups of first microwave generators are arranged on the cavity; the distributing device is connected with the concentrating device and the plurality of belt conveying modules respectively; the material collecting device is connected with the plurality of belt conveying modules; the packaging device is connected with the material collecting device; a vacuum port of the vacuum device is respectively communicated with the top and two sides of the cavity through a plurality of groups of vacuum pipes; a cooling water pipe of the cold water device is communicated with the first microwave generator; and the cold water device is used for cooling the first microwave generator and the microwave power supply. The invention further discloses a liquid product drying process. The device is high in automation degree, high in efficiency and capable of continuously running for a long time.

The invention relates to the technical field of milk sterilization systems, in particular to an intelligent microwave-heat exchange composite milk sterilization system and a method thereof.The system comprises a mixing module used for adjusting the flow speed and temperature of fresh milk; the microwave sterilization module is used for heating milk by using a multi-frequency magnetic field; the temperature control module comprises a microwave power regulator and a heat exchanger and is used for regulating the microwave heating time and the heat exchange rate so as to control the milk temperature; and the digital twin module optimizes the sterilization process by using deep reinforcement learning and simulates the system performance in a virtual environment, and a faster and more uniform heating process is realized through the synergistic effect of microwaves and heat exchange. The application of the multi-frequency magnetic field technology further improves the uniformity of microwave heating, and effectively solves the problems of hot spots and cold spots in traditional heat exchange sterilization. Experimental results show that compared with a traditional method, the sterilization effect is improved by about 11.5%, which means higher food safety.

The invention relates to a power supply assembly (1) having: a) a plurality of microwave power supplies (2a, 2b, 2c, 2d, 2n), each of which is designed to generate a microwave power signal with an output of ≥ 100 W and a frequency of ≥ 300 MHz in order to generate a plasma (7) in a plasma process chamber (6), and b) a base (3) with an upper face (3a) and a lower face (3b), wherein c) the microwave power supplies can be arranged on the upper face (3a) of the base (3) as an assembly (2), d) the upper face (3a) of the base (3) has plug contacts (4), e) the microwave power supplies have mating plug elements (5) which match the plug contacts (4), f) the mating plug elements of the microwave power supplies are plugged onto the plug contacts of the base and can be mechanically secured, g) one, in particular a plurality, of the microwave power supplies can be separated from the base individually, in particular while said microwave power supply / supplies and / or one or a plurality of other microwave power supplies are being operated, and h) the base is designed such that the base is connected to the plasma process chamber and can be separated therefrom without having to separate the assembly (2) of microwave power supplies from the base.

The invention discloses a low-temperature vacuum microwave freeze-dried sinomenine hydrochloride preparation and a preparation method thereof in the technical field of pharmaceutical preparations, and solves the problems of long drying time, high energy consumption and poor product stability in the traditional freeze-drying technology. A vacuum microwave collaborative freeze-drying technology is adopted, microwave internal heating is achieved through a 2.45 GHz magnetron microwave generator and a rectangular waveguide tube under the conditions that the vacuum degree is 20-30 Pa and the plate layer temperature ranges from-40 DEG C to-35 DEG C, the microwave power density in the primary drying stage ranges from 0.3 W / g to 0.5 W / g, the microwave power density in the secondary drying stage ranges from 0.1 W / g to 0.3 W / g, and collaborative control over the microwave power, the vacuum degree, the temperature and the time is achieved in cooperation with a quaternary coupling precise control system. The preparation contains 50 mg of sinomenine hydrochloride, 100 mg of mannitol and 10 mg of sodium carboxymethyl cellulose grafted modified polyvinylpyrrolidone, the residual moisture is controlled to be 0.4-0.6%, the activity retention rate is 94-96%, and the drying time is shortened to 12-16 hours.

The invention relates to a carbon carrier material for microwave-assisted phosphoric acid treatment and oxygen reduction, a catalyst, a preparation method and application thereof, and the scheme is innovated by the following steps: dipping conductive carbon black (such as ketjen black ECP600JD) and 60-70wt% phosphoric acid solution according to a solid-to-liquid ratio of 1g / (15-18) mL, preheating at 100-250 DEG C in an argon atmosphere, then carrying out a reaction for 10-100 seconds under the assistance of a microwave power of 100-600 W, and carrying out vacuum drying to obtain the carbon carrier material for microwave-assisted phosphoric acid treatment and oxygen reduction. The phosphorus content of the prepared carbon carrier material is 4-6wt%, and the graphitization degree of the carbon carrier material is improved (ID / IG value is 1.15-1.20). And after the platinum-cobalt alloy is further loaded, the particle size of the nanoparticles is uniform, the potential loss is only 3 mV after 5000 accelerated attenuation tests in the proton exchange membrane fuel cell, and the power density attenuation is reduced by 58%. The method has the advantages of quick reaction, low energy consumption, high corrosion resistance and the like, and the stability of the catalyst is remarkably improved.

The invention provides a magnetic confinement microwave plasma preparation method and system for coal-based graphene quantum dots, and relates to the technical field of graphene quantum dot preparation, and the method comprises the following steps: pretreating a coal raw material, removing impurities, and crushing the coal raw material to a preset particle size; detecting the coal quality parameters of the pretreated coal raw material, wherein the coal quality parameters at least comprise the contents of C, H and O elements; the coal quality parameters are input into a QYOA algorithm to be analyzed, and adjustment parameters of microwave power and reaction gas are obtained; feeding the pretreated coal raw material into a reaction cavity, and forming a three-dimensional confinement field in the reaction cavity through a magnetic confinement device; according to the method, magnetic confinement, microwave plasma, a QYOA algorithm and ultrasonic aftertreatment are organically combined to form a synergistic effect, dissociation of carbon clusters is promoted through the synergistic effect of the magnetic confinement and the microwave plasma, the yield of the coal-based graphene quantum dots is increased to 30% or above from less than 10% of a traditional method, the production efficiency is improved, and large-scale production is facilitated.

The invention discloses a high-effect sludge deep dehydration coupling resource utilization system and method, and relates to the technical field of sewage treatment.The method comprises the steps that special stirring equipment is adopted for stirring sludge, the stirred sludge is pretreated through ultrasonic waves and an advanced oxidation technology, and pretreated sludge is obtained; discharging free water and interstitial water from the pretreated sludge through an intelligent pressure maintaining and pressure relief regulation mechanism, then carrying out microwave-assisted heating by using a continuous low-temperature sludge drying machine, and adjusting microwave power and heating time to deeply remove bound water and interstitial water; carrying out pyrolysis carbonization on the sludge subjected to microwave-assisted heating through an indirect heating reaction furnace, and converting organic matters in the sludge into pyrolysis products; the sludge treatment efficiency and quality are remarkably improved through a series of innovative technologies, the special stirring equipment is combined with ultrasonic waves and the advanced oxidation technology, the physical and chemical properties of the sludge are optimized, and the energy consumption of the subsequent process is reduced.

The invention belongs to the cross technical field of artificial intelligence and environmental protection engineering, particularly relates to a denitration catalyst microwave regeneration optimization method based on machine learning, and aims to solve the problems of inaccurate energy matching, large structural damage and low efficiency of a traditional regeneration method. The method comprises the following steps: constructing a catalyst multi-dimensional feature database, establishing a microwave regeneration multi-physics field coupling simulation model, and training an integrated learning prediction model to associate input features with a regeneration effect; in the regeneration process, infrared thermal imaging, microwave reflection and gas sensing equipment are integrated, temperature field, energy absorption and tail gas data are collected in real time, and microwave power, frequency and atmosphere parameters are dynamically regulated and controlled. Accurate energy release and closed-loop intelligent regulation and control are achieved, the activity recovery rate after regeneration exceeds 92%, the specific surface area retention rate exceeds 85%, the regeneration period is shortened to one third of that of a traditional method, energy consumption is reduced by 40%, full-life-cycle intelligent management of the catalyst is supported, and economical efficiency and sustainability of environmental protection equipment are remarkably improved.

The invention discloses an automobile structure assembly gluing heat treatment method and system based on frequency conversion microwaves. The method comprises the steps that the surface of an automobile structure assembly is subjected to activating treatment through a plasma spraying technology; the method comprises the following steps: coating a to-be-glued automobile structure component with an adhesive, carrying out heat treatment on the coated automobile structure component by adopting a variable-frequency microwave generator, dynamically adjusting the microwave frequency to realize uniform heating of the interior of an adhesive layer, monitoring the temperature field distribution of the adhesive layer in real time, and dynamically adjusting the microwave power output; in the microwave heat treatment process, pressure is applied synchronously to promote discharge of bubbles in the adhesive layer and improve the compactness and mechanical property of the adhesive layer; and a gradient cooling mode is adopted for cooling the automobile structure assembly subjected to heat treatment. According to the embodiment of the invention, the bonding quality and durability of the automobile structural component can be remarkably improved through frequency adjustment, temperature monitoring, bubble removal and pressure application in the microwave heating process.

The invention discloses a food baking processing program control system and method, and relates to the technical field of food processing intelligent control, and the method comprises the steps: collecting the dielectric characteristics of a material, capturing the change dynamic state of a dielectric loss angle tangent value, and recognizing the phase change stage of the material in real time through a time domain dielectric spectrum analysis method; constructing a dual-channel heat conduction model, and dynamically identifying the regional temperature gradient of the baking equipment according to the phase change stage of the material; and based on the regional temperature gradient of the baking equipment, through a multi-parameter coupling control algorithm, calculating the microwave power adjusting quantity and the wind speed ratio adjusting quantity of the baking equipment, and generating a composite control instruction set. According to the method, the phase change stage of the material is recognized in real time through a time domain dielectric spectrum analysis method, the relevance between relaxation time distribution and a phase change characteristic spectrum is accurately analyzed through inverse Laplace transformation and a dynamic time warping algorithm, and dynamic capture of key phase change nodes such as glass transition and starch gelatinization is achieved.

The invention discloses a microwave catalysis and plasma combined waste gas treatment system and method. The system is formed by connecting a pretreatment module, a pretreatment cavity module, a main catalysis cavity module, a tail end purification module and an intelligent control module in series. The pretreatment module adopts two-stage condensation and multi-stage dust removal and is provided with a humidity particle return valve; the pretreatment cavity completes low-temperature oxidation under the cooperation of multi-frequency microwaves and a catalyst; the main catalytic cavity integrates a pulse corona-enhanced plasma discharge structure and a 2.45 / 5.80 GHz double-frequency microwave source, and cooperates with a catalyst to deeply crack VOCs. The tail end module achieves waste heat recovery and fine purification through double heat exchangers and double activated carbon adsorption, and a terminal monitors emission online through Fourier infrared. And the intelligent control module predicts and adjusts the microwave power, the discharge frequency and the valve position in real time based on a long short-term memory (LSTM) network algorithm, namely LSTM, so that the system keeps high-efficiency, low-energy-consumption and stable operation under the conditions of high humidity and multi-component VOCs (Volatile Organic Compounds).

The utility model discloses a miniaturized beam unit module, and belongs to the technical field of electron linear accelerators. A miniaturized beam unit module comprises a magnetron assembly, a microwave system, a circulator assembly, an accelerating tube assembly, a primary collimating cone assembly and a fixed bottom plate. The magnetron assembly, the microwave system, the circulator assembly, the accelerating tube assembly and the primary collimating cone assembly are fixedly mounted on the fixed bottom plate; the magnetron assembly comprises a magnetron, and the magnetron is used for generating microwaves; the accelerating tube assembly comprises an accelerating tube; the microwave system is used for connecting the magnetron and the accelerating tube and feeding microwaves generated by the magnetron into the accelerating tube; the circulator assembly comprises a circulator, a waveguide port of the circulator is higher than a waveguide port of the magnetron, the circulator is arranged in the microwave system, and the circulator is used for isolating microwave power fed back to the magnetron; the position of the magnetron is moved downwards, so that the height of the waveguide port of the magnetron is lower than that of the waveguide port of the four-end circulator, and the purpose of miniaturization of the beam unit module is achieved.

The invention discloses a preparation method of an interlayer spacing adjustable MXene material through microwave-assisted chemical etching, and belongs to the technical field of two-dimensional nano material preparation. Key parameters such as etching agent solution concentration, villiaumite ratio and microwave power are adjusted and controlled through a synergistic effect mechanism of a microwave field and chemical etching; the preparation method realizes accurate and controllable interlayer spacing preparation of the MXene material, has the advantages of high reaction speed, high etching efficiency, accurate and adjustable interlayer spacing, wide range and the like, and provides an efficient and reliable preparation method for performance optimization of the MXene material in the fields of energy storage, catalysis, separation membranes, gas sensitivity and the like.

The invention discloses a radiation structure, a quantum sensing system, a radiation assembly and a quantum sensing measurement method, and the radiation structure comprises a feed part which is suitable for sleeving the outer side of an objective lens and is covered with a microstrip line, and the microstrip line can generate a magnetic field; the coupling piece is suitable for being arranged at the top of the objective lens in the thickness direction of the radiation structure, the coupling piece comprises a first coupling piece body and a second coupling piece body, the first coupling piece body and the second coupling piece body jointly define a plurality of arc-shaped gaps arranged at intervals in the circumferential direction and jointly define a light hole, and the light hole is suitable for being arranged corresponding to the NV color center; and microwaves radiated by the coupling piece are used for exciting NV color center electron spin transition. Therefore, by arranging the feed piece on the outer side of the objective lens in a sleeving mode, the thickness of the radiation structure located between the objective lens and the bearing piece can be small (equal to or even smaller than 0.1 mm), the requirement for the freedom degree of distance adjustment between the objective lens and the bearing piece can be met, and a clear view can be found conveniently; a plurality of arc-shaped gaps which are distributed at intervals in the circumferential direction are defined by the coupling piece, and the coupling piece can form a strong alternating magnetic field under the influence of a magnetic field so as to provide microwave power meeting requirements.

According to the microwave reactor and method for recycling the three-way catalytic precious metal, through the synergistic effect of microwave radiation and the telescopic glass stirring rod, the problem that the mass transfer efficiency is low due to high viscosity of a traditional ionic liquid leaching system is solved, the precious metal leaching time is shortened, and the efficiency is improved. Meanwhile, a diamond ATR crystal infrared probe is adopted to monitor components of a reaction solution in real time, multi-parameter linkage control of microwave power, temperature and stirring rate is combined, reaction conditions are dynamically optimized, and the recovery rate of platinum, palladium and rhodium is increased. The method systematically solves the technical bottlenecks of high energy consumption, heavy pollution and low ionic liquid leaching efficiency of the traditional pyrogenic process / wet process, and provides an innovative scheme with high efficiency, low environmental load and industrial feasibility for precious metal recovery.

A method of manufacturing a current collector of an energy storage device includes the following. A substrate is provided. A modified layer is formed on the substrate using a microwave plasma chemical vapor deposition process. The modified layer includes nanographene and has a thickness of 1 nm to 500 nm. In the microwave plasma chemical vapor deposition process, a microwave frequency is 300 MHz to 300 GHz, a microwave power is 500 W to 75000 W, a temperature is 25° C. to 600° C., and a deposition time is less than 30 minutes. The microwave plasma chemical vapor deposition process includes the following. Inert gas or stable gas is passed in. Hydrocarbon gas and hydrogen are passed in. Microwaves are applied to generate plasma. The hydrocarbon gas and the hydrogen are ionized. Nanographene is formed on the substrate.

The invention provides an electric tungsten fire needle tumor ablation system, and the system comprises an image navigation module which is used for integrating CT / MRI / ultrasonic images, constructing a three-dimensional tumor model in real time, tracking a target region through electromagnetic positioning, and dynamically calibrating a needle insertion path; the insulating tungsten fire needle execution module is used for adopting a high-density tungsten alloy needle body and a multi-axis mechanical arm to control multi-angle puncture; the energy output module is used for intelligently adjusting radio frequency / microwave power and releasing energy in a pulse mode; and the temperature control feedback module is used for monitoring the temperature in real time and automatically terminating overheating energy. According to the technical scheme, accurate, safe and effective ablation of tumors is achieved.

The invention provides a superconducting diode based on superconducting quantum interference, a preparation method thereof and a quantum device. The superconducting diode provided by the invention can realize a one-way conduction function at an extremely low temperature, and has extremely low power consumption, so that basic parts of a low-temperature quantum circuit are greatly expanded. And the required external magnetic field is very small and can be provided by an external magnet and a current circuit prepared on the same chip as the device, so that the application is convenient. In addition, under low-temperature microwave irradiation, the device shows the capacity of small change along with microwave power, and it is indicated that the device also has the stable working capacity in the high-power microwave environment.