686 results about "Microwave irradiation" patented technology

The invention provides a method for recovering all elements of a waste lithium iron phosphate battery positive electrode material. The method comprises the following steps: crushing the waste lithium iron phosphate positive electrode material, and performing nitrogen airflow crushing; adding hydrogen peroxide into the crushed material, performing ultrasonic treatment for multiple times, and performing microwave radiation treatment while performing ultrasonic treatment to obtain a mixture; diluted hydrochloric acid is added into the mixture, ultrasonic treatment is carried out multiple times while stirring is carried out, microwave radiation treatment and filtering are carried out while ultrasonic treatment is carried out, the pH value is adjusted to 3.5-4, then stirring and standing are carried out, a leaching material is obtained, filtering is carried out, and leaching residues and a leaching solution are obtained; the leaching residues are dried and roasted, and iron phosphate is obtained; concentrating the leachate, adjusting the pH value to 9.5-10, standing, filtering, and dropwise adding a sodium carbonate aqueous solution for reaction; and filtering and drying to obtain lithium carbonate. According to the recycling method, resource recycling of all elements can be achieved, the overall recycling rate of iron and lithium is high, and the purity of obtained lithium carbonate and iron phosphate is high.

The present invention generally relates to a process for synthesizing a graphene oxide quantum dots-iron phthalocyanine (FePc-GOQDs) nanocomposite with enhanced electrochemical properties, particularly for oxygen reduction reactions (ORR). The process begins by dispersing 500 mg of graphene oxide (GO) in a hydrogen peroxide and deionized water solution in a 1:10 volume ratio, followed by hydrothermal treatment at 180° C. for 8 hours to produce GO quantum dots (GOQDs). The resulting material is freeze-dried to obtain GOQDs powder. Subsequently, 60 mg of GOQDs are combined with 10 mg of iron phthalocyanine (FePc) and 20 mL of dimethyl sulfoxide (DMSO), and the mixture is subjected to microwave irradiation at 500 W and 150° C. for 30 minutes. The resulting composite is rinsed repeatedly with deionized water and ethanol, then dried at 120° C. to yield the FePc-GOQDs nanocomposite. This composite demonstrates superior ORR performance due to strong Fe—O bonding and optimized electronic interactions.

The invention relates to a preparation method of a microwave-assisted synthesized near-infrared electrochemical luminescence gold nanocluster and application of the gold nanocluster in miRNA (micro Ribonucleic Acid) detection. The preparation method comprises the following steps: under a stirring condition, adding a gold source and alkali into a Met solution to obtain a mixed solution, carrying out microwave irradiation reaction, and carrying out solid-liquid separation to obtain a Met-Au NCs solution; the preparation method comprises the following steps: activating a Met-Au NCs solution by using EDC and NHS, adding a DNA solution, mixing, and dialyzing to obtain a Met-Au NCs-DNA compound, namely the near-infrared electrochemical luminescence gold nanocluster. Compared with Au NCs prepared by a common mild method, the Met-stable Au NCs prepared by a microwave-assisted method has the advantage that the fluorescence and electrochemical luminescence efficiency at 835 nm is improved. The invention also provides a'signal closing 'ECL (electron cyclotron ligand) biosensor for high-sensitivity detection of the miRNA-107 (MicroRNA-107), and a method for detecting the miRNA-107 (MicroRNA-107). The sensor is simple to operate and good in repeatability, and has important scientific significance and application value for clinical early diagnosis of cancers.

The invention discloses a cloud phase fine identification and liquid water and ice water quantitative remote sensing device, which comprises a split-phase cloud water quantitative detection laser radar, a novel temperature and humidity remote sensing system and a millimeter wave cloud radar, and is composed of a laser emission module, a telescope receiving module, a microwave radiation module, three laser radar detection modules and a digital signal processing module. The system is composed of a central control processing module and a terminal server. The invention further discloses a remote sensing method of the quantitative remote sensing device. All-day detection and quantitative inversion of liquid water, ice water, water vapor, aerosol and cloud are achieved through the split-phase cloud water quantitative detection laser radar. A novel temperature and humidity remote sensing system is adopted to realize real-time fine detection of a temperature and humidity profile in the cloud. According to the cloud phase state fine identification and liquid water and ice water quantitative remote sensing device and method provided by the invention, the problems that the quantitative detection precision of the liquid water and ice water content in the cloud is insufficient and the mixed phase cloud identification is difficult in the prior art are solved.

The invention belongs to the technical field of road maintenance, and discloses a road concrete pavement layer self-adaptive crushing method based on microwave-assisted resonance, and the specific technical scheme is as follows: a microwave heating device is used for pretreating a cut and divided crushing area, and a concrete layer is weakened through a heating effect of microwave radiation to realize separation of a pavement layer; when it is judged that the temperature of the concrete in the heating area reaches the needed temperature through the thermal infrared imager, the inherent frequency of the concrete is calculated, a calculation result is fed back to the resonance crushing device, and the resonance crushing device enables the pavement layer to generate forced vibration to be crushed by generating excitation frequency; the novel method for crushing the concrete pavement layer based on microwave-resonance energy coupling has the characteristics of being accurate, controllable, efficient, applicable to multiple scenes and the like, and can be matched with an acoustic emission system to realize closed-loop control of concrete crushing, so that the working environment of the concrete pavement layer is greatly improved, and the service life of the concrete pavement layer is prolonged. And the maintenance frequency of the equipment is greatly reduced while the crushing efficiency is improved.

The invention discloses a biological tissue internal temperature microwave chromatography method and system, and belongs to the technical field of microwave measurement. The problem that the internal temperature of the biological tissue cannot be accurately obtained by adopting a microwave radiation temperature measurement technology nowadays is solved. The method comprises the following steps: acquiring environmental thermal radiation rates under different environmental conditions, and acquiring temperature distribution data of a human tissue profile to be subjected to temperature measurement along with depth change under different environmental conditions by utilizing a real three-dimensional anatomical model, a heat conduction equation and a thermal radiation equation of the human tissue to be subjected to temperature measurement; calculating dielectric constants of the human tissue to be subjected to temperature measurement under different frequencies, and obtaining radiation brightness temperature data of different frequencies under different environmental conditions by combining the temperature distribution data and a real three-dimensional anatomical model of the human tissue to be subjected to temperature measurement; constructing a brightness temperature-temperature conversion matrix by adopting a least square method; and acquiring brightness temperature data of different frequencies of human tissue to be subjected to temperature measurement, substituting the brightness temperature data into the brightness temperature-temperature conversion matrix, and performing inversion to obtain temperatures of different depths of the human tissue to be subjected to temperature measurement. The method is suitable for temperature measurement.

The invention relates to a method for preparing lithium sulfide at low temperature by microwave molten salt assisted carbon disulfide-lithium salt reaction, and belongs to the technical field of key materials of lithium-sulfur batteries and solid-state batteries. The technical problems of high energy consumption, difficulty in inhibiting by-products, insufficient purity and crystal phase stability, difficulty in continuous amplification and the like in the existing lithium sulfide preparation process are solved. Comprising the following steps: step 1, performing crushing, screening and grading treatment on lithium source powder; step 2, placing the treated lithium source powder and molten salt in a closed reactor, and introducing CS2 in a gas or liquid form; 3, applying microwave radiation, and reacting at a gas-solid-liquid multiphase interface to generate lithium sulfide; and 4, cooling the material after the reaction to room temperature, separating and recovering the fused salt to obtain the lithium sulfide powder. The method is low in reaction temperature, low in energy consumption, high in reaction rate, high in product purity and suitable for continuous and industrial production.

The invention relates to a method for preparing a cement admixture resistant to mine water erosion by microwave synergistic chemical modification of fly ash, and belongs to the technical field of industrial solid waste recycling and building materials.According to the method, fly ash particles are mechanically activated and crushed, and a composite modifier treatment and gradient microwave activation technology is combined, so that the cement admixture resistant to mine water erosion is prepared; the activity of the fly ash and the erosion resistance of the cement-based material are obviously improved. The preparation process comprises the following steps: carrying out multi-stage mechanical grinding on the fly ash to obtain ultrafine powder; adding a composite modifier containing a mineral active component, an organic-inorganic composite modifier and a nano functional material for chemical activation; microwave irradiation and nitrogen quenching are adopted to cooperatively process and reconstruct the microstructure of the material; and finally forming through a microwave-steam coupling curing process. The obtained cement admixture can effectively solidify corrosive ions in mine water, improve the durability of traditional cement in a complex ion environment, and realize bulk resource utilization of fly ash solid waste.

The present invention belongs to the technical field of fly ash resource recycling and utilization, and relates to a method for the synergistic extraction of aluminum, lithium, gallium, and scandium from fly ash. The method comprises the following steps: (S1) pretreatment: adding fly ash to an aqueous solution of an inorganic base, subjecting it to microwave irradiation, and then pressurizing and activating it to obtain a pretreated product; (S2) graded acid leaching: subjecting the pretreated product to primary acid leaching in hydrochloric acid to obtain leachate I and a Si-rich residue I; subjecting the Si-rich residue I to secondary acid leaching in a mixed solution of hydrochloric acid and choline chloride-urea to obtain leachate II and a Si-rich residue II; and (S3) separation and purification: comprising selective adsorption of Ga / Sc / Fe by ion exchange resin, Ca removal and Al / Li separation, step-by-step resin elution, Ga / Sc extraction and separation, Ga stripping, and electrolysis. The present invention achieves efficient synergistic extraction and full resource utilization of aluminum, lithium, gallium, and scandium from fly ash, and the entire process has low energy consumption.

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.

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.

The invention belongs to the field of material cracking, and particularly relates to a microwave bipolar heating-based in-situ graded cracking method for a carbon fiber composite material, which comprises the following steps of: initializing a feeding speed, and combining a preset three-dimensional model of a to-be-cracked material with a graded inversion function space; a multi-stage cracking control sequence containing parameters such as the feeding rate, the preheating temperature and the dual-frequency microwave radiation power is obtained through inversion, wherein a hierarchical inversion function space comprises a hierarchical hierarchical cracking feedback control node chain constructed through an associated fuzzy control algorithm. And generating a control instruction based on the control sequence and the hierarchical linkage control model, monitoring the splitting efficiency and the energy consumption conversion efficiency in real time, and feeding back to the node chain to adjust the control sequence. The node chain construction relates to flow splitting, parameter node set establishment, correlation analysis, feedback factor construction and the like, and finally, through simulation training optimization, splitting efficiency maximization and energy consumption and pollution minimization are realized.

The invention discloses a buton rock asphalt micro-powder composite waterproof material and a preparation method thereof, and belongs to the technical field of building waterproof materials. Wherein the waterproof roll coating material is prepared from the following raw materials: matrix asphalt, buton rock asphalt micro powder, an SBS modifier, naphthenic oil, polypropylene, talcum powder and nano titanium dioxide or boron nitride nanosheets; the waterproof coating is prepared from the following raw materials in parts by weight: matrix asphalt, buton rock asphalt micro powder, an SBS modifier, bentonite paste, fluorocarbon emulsion, water and nano titanium dioxide or boron nitride nanosheets, the preparation method comprises the following steps: crushing blocky buton rock asphalt into powder of which the particle size is less than or equal to 75 microns, performing microwave activation in a microwave radiation device, adding a silane coupling agent, mixing, and drying to obtain the buton rock asphalt micro powder. The Buton rock asphalt micro powder is added to improve the dispersity of the Buton rock asphalt in the asphalt, so that the Buton rock asphalt is suitable for preparing waterproof coiled materials and self-healing waterproof coatings with high weather resistance and puncture resistance.

The invention discloses cold bonding ceramsite and a preparation method and application thereof in pervious concrete.The cold bonding ceramsite is prepared from, by mass, 70-120 parts of solid waste base material, 5-8 parts of activating agent and 5-10 parts of binder, and the solid waste base material is prepared from dredged sludge, fly ash and waste concrete powder. The cold-bonded ceramsite is prepared from the solid waste base material under the conditions of microwave radiation, multi-element activation, granulation and staged maintenance, a high-temperature calcination process is not involved, the solid waste base material is fully utilized, the energy consumption of ceramsite preparation is reduced, solid waste resourceful treatment is realized, the land pressure of landfill is relieved, and the consumption of non-renewable resources is reduced. The prepared cold-bonded ceramsite is applied to the preparation process of the pervious concrete, the obtained pervious concrete has high strength, freeze-thaw resistance and salt corrosion resistance, and the comprehensive performance is remarkably improved.

The invention provides an in-situ modification method for a binder of a lithium battery recycled negative electrode material and a graphite negative electrode material prepared by the same, and relates to the technical field of lithium battery negative electrode material recycling. The modification method comprises the following steps: mixing recovered binder-containing negative electrode material powder with an acid solution, and stirring to obtain a mixed solution; oxidizing the mixed solution by adopting a composite oxidant of persulfate and ozone to degrade the binder to obtain an oxidized solution I; carrying out microwave irradiation treatment on the oxidation liquid to obtain oxidation liquid II; and filtering, washing, drying and carbonizing the oxidation liquid II to obtain the regenerated graphite material. The invention provides an efficient and environment-friendly graphite negative electrode regeneration and upgrading integrated scheme, and high-valued recovery and performance improvement of the waste graphite negative electrode are realized by innovatively combining a multi-stage process of acid dissolution, catalytic oxidation, microwave enhancement and carbonization modification.

A sensor chip structure (600) design based on a solid-state quantum spin sensing system, a manufacturing method, and a supporting related device. The sensor chip structure (600) is a diamond-based magnetic field and temperature sensing chip manufactured on the basis of a micro-nano processing technique, and comprises: a microwave radiation structure, a diamond NV center material, a laser diode, a heat dissipation structure, an optical filter (7), and a photodetector (6) which are manufactured on an insulating substrate.

The invention discloses a preparation method of a bottom mud derived photocatalytic coating ecological bank protection building block in the field of ecological bank protection materials, which comprises the following steps: dry-mixing and wet-mixing cement, clay, pretreated bottom mud and microspheres, pouring into a customized steel mould in which silica optical fibers are embedded, compacting, moisturizing and curing, and then carrying out standard curing; secondly, the pretreated bottom mud reacts with acid to generate a metal oxide precursor, the metal oxide precursor is compounded with nitrogen-doped carbide, microspheres are added to prepare a composite catalyst, and the composite catalyst is sprayed on the surface of a base body in a layered mode after ultrasonic dispersion to form a photocatalytic coating; performing plasma treatment on the quartz optical fibers, performing latticed arrangement, dispersing the tail ends in a fan shape, and coating fluorescent powder and curing resin to form a light guide conversion layer; and finally, performing microwave irradiation on the cured building block to strengthen interface bonding and catalytic activity. According to the method, the problem that the coating falls off is solved through high-valued utilization of the bottom mud, efficient degradation of pollutants by the photocatalytic coating, optical fiber light guide enhanced light utilization and microsphere materials, and the resource utilization efficiency and environmental benefits are remarkably improved.

The invention belongs to the technical field of battery materials, and mainly relates to a method for preparing porous carbon microspheres through microwave induction of high-entropy alloy-petroleum coke and application. The method comprises the following steps: performing low-temperature plasma activation treatment on crushed and sieved petroleum coke powder to obtain activated petroleum coke powder; mixing and reacting the activated petroleum coke powder with a salt solution containing at least five transition metals, and performing freeze drying to obtain a high-entropy alloy-petroleum coke composite material precursor; the high-entropy alloy-petroleum coke composite material precursor is subjected to microwave radiation treatment in an inert atmosphere, and a carbonized precursor of a spherical structure is obtained; and performing high-temperature activation treatment on the carbonized precursor with the spherical structure in an activation atmosphere, and performing acid pickling and drying to obtain the porous carbon microsphere material. According to the method, the porous carbon microsphere material with high specific surface area, high microporosity and excellent conductivity is prepared through plasma activation, multi-metal complexation, microwave radiation and high-temperature activation treatment, and can be applied to a negative electrode material of a lithium ion battery.

Partially oxidized carbonaceous materials characterized by substantially homogenous, partially oxygenated surfaces thereof are enabled via microwave-assisted methods that are simple and fast. The exemplary methods include combining carbonaceous material(s), at least one mild oxidizer, at least one nucleophile, and an aqueous solvent system to obtain a mixture; and exposing the mixture to microwave radiation for a predetermined time to produce partially oxidized carbonaceous materials. The predetermined time may be in a range from about 5 seconds to about 2 hours, and the power of the microwave energy may be in a range from about 100 w to about 1700 W. The partially oxidized carbonaceous materials are characterized by a homogeneous distribution of oxygen content in surfaces thereof, in nonzero amounts up to about 10 at %, and a standard deviation of surface oxygen content in a range from about 0.1 at % to about 1.0 at %.

The invention provides a method for preparing a poly-aluminum and functional silicon material by activating coal gasification slag and waste hydrochloric acid through microwave synergistic mechanical force, and belongs to the technical field of industrial solid waste recycling. The method comprises the following steps that the coal gasification slag is sequentially subjected to microwave radiation treatment and ball milling, activated slag and waste hydrochloric acid are subjected to an acid leaching reaction, and aluminum-iron-containing leachate and silicon-rich slag are obtained; extracting the aluminum-iron-containing leaching solution to obtain an iron-rich organic phase and a purified aluminum chloride solution; performing thermal polymerization reaction on the purified aluminum chloride solution to obtain polyaluminum chloride; the method comprises the following steps: carrying out alkaline leaching reaction on silicon-rich slag and waste alkali liquor, adding a structure-directing agent into a sodium silicate solution, and sequentially carrying out aging, solution pH value adjustment and crystallization precipitation to obtain mesoporous silica. According to the method, the aluminum-silicon leaching rate is remarkably increased through microwave-mechanical force synergistic activation, synergistic and efficient treatment of the three kinds of waste including the coal gasification slag, the waste hydrochloric acid and the waste alkali liquid is achieved, the technological process is closed, the product additional value is high, and the environmental and economic benefits are remarkable.

The invention belongs to the field of coal and oil and gas resource development, and particularly discloses an in-situ mining simulation experiment method and device for microwave fragmentation and pyrolysis of oil-rich coal, and the method comprises the following steps: S1) processing and manufacturing an oil-rich coal sample or a coal rock combination; s2) putting the sample into a sealed wave-transparent reaction chamber of a microwave irradiation cabin, and simulating the stress state of the coal seam through a microwave wave-transparent pressure head by utilizing a servo control device; s3) simulating a coal bed gas environment through gas injection of an atmosphere device; s4) carrying out microwave irradiation and collecting a pyrolysis gas-liquid product, and meanwhile, obtaining experimental data in the irradiation process; and S5) cleaning and dissolving the pyrolysis liquid product to obtain the tar quality and analyze the components of the tar, screening the sample to obtain a grain composition curve, comparing the calorific values of the coal sample before and after the experiment, and evaluating the effects of microwave fragmentation pyrolysis of the coal sample and oil gas extraction by combining experimental data. Quantitative reference and basis can be provided for selection of microwave conditions in microwave-assisted in-situ mining.

The invention relates to a high-mica granite machine-made sandstone concrete quality control system. The high-mica granite machine-made sandstone concrete quality control system comprises the following steps that S1, pretreated granite aggregate is conveyed into double-cavity type microwave irradiation equipment; s2, the dielectric constant of the granite aggregate is detected through double-cavity microwave irradiation equipment, high-frequency treatment is conducted on the granite aggregate with the dielectric loss factor larger than 0.05, and low-frequency treatment is conducted on the granite aggregate with the dielectric loss factor smaller than or equal to 0.05; s3, the granite aggregate subjected to microwave treatment is conveyed into liquid nitrogen spraying equipment, microcracks are generated between mica layers through thermal shock stress, and mica interlayer stripping is triggered; and S4, the granite aggregate is recovered to the room temperature through temperature recovery equipment, and the granite aggregate is separated from mica on the granite aggregate through winnowing impurity removal equipment. The microwave-liquid nitrogen synergistic stripping technology is adopted, the content of mica in the high-mica granite is reduced, and control over the quality of the granite machine-made gravel concrete is achieved.

The invention provides a refining method, a metallurgical device and a refining system for platinum group metal lean ore, and relates to the technical field of microwave metallurgy. The refining method comprises the following steps: heating and homogenizing platinum group metal mineral powder through microwave radiation to obtain microwave homogenized mineral powder; carrying out microwave smelting on the microwave homogenized mineral powder to obtain a smelting product; and the smelting product is sequentially subjected to a first-stage separation and enrichment process, blowing treatment and a second-stage separation and enrichment process, and the high-nickel matte is obtained. According to the refining method for the lean ore of the platinum group metal, the ore reaction activity and the energy utilization rate are remarkably improved, the energy consumption is reduced, the refining time is shortened, the platinum group metal recovery rate is increased, meanwhile, SO2 emission is reduced, the production cost is reduced, and the advantages of being efficient, energy-saving and environmentally friendly are achieved.

The invention discloses a carbon fiber composite material recovery device and a control method thereof. The carbon fiber composite material recovery device comprises a reaction container, a microwave radiation assembly, a monitoring assembly, a shell and a control system, the reaction container is used for containing a carbon fiber composite material and a treating fluid, and the microwave radiation assembly is used for providing microwave radiation energy for the carbon fiber composite material in the reaction container; the monitoring assembly is used for monitoring reaction parameters in the reaction container in real time, a shielding layer is arranged on the inner wall of the shell and used for shielding microwave radiation generated by the microwave radiation assembly, and the control system is used for adjusting the output power of the microwave radiation assembly according to the monitored reaction parameters. According to the invention, the microwave absorption capability of carbon fibers in the carbon fiber composite material is utilized, degradation reaction energy is directly provided for the carbon fiber composite material in a targeted manner in a microwave radiation manner, the degradation liquid in the whole reaction container does not need to be heated, the energy consumption cost is low, and the reaction time is high.

The invention discloses a method for degrading short-chain chlorinated paraffin in soil based on microwave irradiation, and belongs to the technical field of soil pollution remediation. The invention aims to solve the problems of high energy consumption, long reaction time, low efficiency and low degradation rate of the existing method for degrading the short-chain chlorinated paraffin in the soil. The method comprises the following steps: 1, soil pretreatment; 2, extracting by using normal hexane; 3, carrying out microwave degradation treatment; and 4, after the reaction is finished, naturally cooling to room temperature to obtain the soil without the short-chain chlorinated paraffin. The short-chain chlorinated paraffin (SCCPs) in the soil is degraded by a microwave method, and gt can be degraded within 10-15 minutes through the synergistic effect of a microwave heat effect and a non-heat effect; the efficient degradation rate is 90%. The invention provides an efficient, economic and ecologically sustainable solution for the SCCPs polluted soil.

The invention provides a ferromanganese phosphate precursor and a preparation method and application thereof, and belongs to the technical field of lithium ion batteries, the preparation method of the ferromanganese phosphate precursor comprises the following steps: S1, uniformly mixing a manganese source, an iron source, a phosphorus source, a complexing agent, an oxidizing agent and water, and regulating the pH value to 2-3 to obtain an electrolyte solution; s2, the electrolyte solution is placed in a microwave transmission type reaction tank, pulse potential and microwave radiation are applied, and an electro-deposition reaction is carried out; a working electrode, a platinum counter electrode and a saturated calomel reference electrode are arranged in the permeation type reaction tank; the working electrode comprises a titanium-based current collector and a conductive MOF film coated on the titanium-based current collector; and S3, after deposition is completed, the working electrode is taken out and washed, roasting treatment is conducted in the nitrogen atmosphere, and the ferromanganese phosphate precursor is obtained through air jet pulverization. According to the method, uniform codeposition of the ferromanganese phosphate is realized, and the prepared ferromanganese phosphate precursor is uniform in element distribution, high in tap density and low in impurity content.

To provide a microwave cooker and a cooking method capable of shortening a cooking time with a simple structure.SOLUTION: The microwave cooking apparatus 1 heats and cooks an object to be cooked in liquid by irradiating the object with microwaves. The microwave cooking device 1 includes an oil tank 20 that stores oil, a heating member 40 that is provided in the oil tank 20 and heats the oil stored in the oil tank 20, and an irradiation member 50 that is disposed inside the oil tank 20 and heats food F in the oil by irradiating the food F with microwaves. The irradiation member 50 includes a microwave irradiation port 52 disposed inside the oil tank 20.SELECTED DRAWING: Figure 2

The invention relates to a mould-proof and mothproof polyurethane foaming adhesive manufacturing process which comprises the steps of prepolymer preparation, prepolymer mixture preparation, foaming agent mixture preparation, foaming forming, curing and finishing. According to the mould-proof and mothproof polyurethane foaming adhesive manufacturing process, a mould-proof agent is packaged in a silicon dioxide nanocapsule, so that the dispersity and the slow-release effect are improved; the pressure of the mixing head of the high-pressure foaming machine is increased to 20 MPa, the micron-sized dispersion effect is ensured, microwave radiation is adopted to replace a conventional curing mode, the working efficiency is improved, and the scientificity and practical value of the whole process are improved.

The application relates to the technical field of graphene, in particular to platinum-loaded nitrogen-doped graphene as well as a preparation method and application thereof. The preparation method of the platinum-loaded nitrogen-doped graphene comprises the following steps: mixing graphene oxide, a platinum salt and a solvent to form a mixed solution, and then performing a hydrothermal reaction to prepare graphene oxide-platinum salt composite powder; mixing the graphene oxide-platinum salt composite powder with an amino compound, and performing ball milling to prepare amino-modified graphene oxide-platinum salt composite powder; and performing microwave irradiation on the amino-modified graphene oxide-platinum salt composite powder to prepare platinum-loaded nitrogen-doped graphene. The preparation process is simple, and the prepared platinum-loaded nitrogen-doped graphene has good oxygen reduction catalytic activity.

The invention provides a wide-field imaging system and method based on a solid-state spin color center and a microwave characterization method.The wide-field imaging system comprises a probe, an optical detection unit, a microwave unit and a data processing unit, multiple times of microwave radiation opening and closing combined operation are carried out at the same frequency, fluorescence imaging is carried out respectively, and the detection result is obtained. And accumulating the fluorescence detection signals when the microwave radiation is started and accumulating the fluorescence detection signals when the microwave radiation is closed, and calculating the ratio of the two fluorescence detection signals. On one hand, the collection amount of fluorescence is increased through a method of accumulating exposure time, and the problem that camera exposure is easy to saturate is avoided; on the other hand, noise caused by factors such as light noise and vibration to detection can be effectively reduced through ratio processing, and the detection accuracy is improved; and the method can be well applied to characterization of a microwave field.