435 results about "Microwave irradiation" patented technology

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 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.

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 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.

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 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.

The invention relates to polylactic acid carbon dots as well as a PLA / PVA (polylactic acid / polyvinyl alcohol)-based full-biodegradable polyester composite material and a preservative film thereof. The polylactic acid carbon dots are prepared by a microwave irradiation method, and the full-biodegradable polyester composite material takes PLA as a main base material, PVA as auxiliary resin, food-grade talcum powder as a filler, the polylactic acid carbon dots as a compatilizer, glycerol and stearic acid as lubricants and B215 as an antioxidant. Performing high-speed mixing and stirring to obtain a modified mixture, extruding and pelletizing the modified mixture to obtain a full-biodegradable polyester composite material, and performing film blowing on the polyester composite material to obtain the full-biodegradable preservative film. The polyester composite material prepared by the invention can be biodegraded under a matured compost condition (the test period is 140 days), the biodegradation rate is 91.79%, the relative biodegradation rate is 97.15%, the products are carbon dioxide and water, and inspection items such as the total migration amount and heavy metals meet standard requirements.

The application relates to an ARMS-based satellite microwave humidity data all-weather assimilation method, which comprises the following steps: collecting YH4DVAR global background field data; calculating the effective particle radius of water condensate; establishing a symmetric error model for ARMS scattering characteristics according to the forecast deviation of cloud and precipitation intensity and spatial position, wherein the symmetric error model expands the observation error into a segmented function of cloud amount or precipitation amount in the mode and observation, and assigns an assimilation weight to the microwave observation data under all-weather conditions; and using the model to assimilate and forecast the all-weather satellite microwave humidity data. The application has good all-weather microwave radiation simulation capability, provides a new observation operator for YH4DVAR all-weather assimilation, and has a wide application prospect in the field of satellite microwave data assimilation.

The invention discloses a system for dynamically matching microwave radiation and catalytic reaction based on soil characteristics and a use method, and belongs to the technical field of soil remediation and improvement. The system integrates microwave radiation catalysis, intelligent sampling detection, artificial intelligence analysis and remote control technologies, and realizes full-process intelligent treatment of efficient decomposition of soil organic matters and soil hardening improvement. The system comprises an intelligent sampling module, an AI analysis and evaluation module, a feedback control module, a microwave radiation module and a catalytic reaction module, can realize large-area operation by carrying unmanned equipment, can also be manually operated to adapt to small-area scenes, has the characteristics of high efficiency, accuracy and universality, and is suitable for various soil improvement scenes such as farmlands, mining areas, urban green lands and the like.

The present invention relates to a method for measuring the observability of a cat qubit. The quantum system includes a command circuit and a nonlinear superconducting quantum circuit including a nonlinear element and a resonant portion. Each of the nonlinear superconducting quantum circuits has a resonant frequency f a and f b It has first and second modes. The method is a) by a command circuit, frequency f b The method includes (1) delivering microwave radiation to drive a second mode, thereby causing a nonlinear element to operate a jump operator [Equation 1] that stabilizes a two-dimensional manifold hosting a cat qubit (900), (2) mapping a measurement of the observable under measurement to a Pauli operator Z in a cat qubit manifold of a size value whose square coefficient is 2 or greater (910), and (3) measuring the value of the Pauli operator Z (920).

The technology disclosed relates to a pulsed power drilling system 100 for breaking a mineral substrate 400 and to a method for breaking a mineral substrate 400 by passing a pulsed electrical current through the mineral substrate 400. The disclosed pulsed power drilling system 100 and method 500 using microwave radiation for affecting the electric field and electric charge distribution inside ionizable inclusions in the mineral substrate 400 to create localized ionizations inside the mineral substrate 400. The disclosed pulsed power drilling system 100 and method 500 may for example be applied in rock drilling, concrete processing, mineral processing, and continuous mining. The present disclosure further relates to a drill rig 600 comprising a pulsed power drilling system 100, a computer program product comprising instructions, and the use of a pulsed power drilling system 100.

The application discloses a soil microwave uniform disinfection operation system and an operation method thereof, and belongs to the technical field of soil disinfection. The soil microwave uniform disinfection operation system comprises a power chassis, an on-board control box, a rolling microwave irradiation system, a conveying mechanism and a shovel mechanism. The shovel mechanism and the conveying mechanism are sequentially arranged at the front end of the power chassis, and the on-board control box and the rolling microwave irradiation system are arranged on the upper end of the power chassis. The rolling microwave irradiation system comprises a microwave resonance cavity arranged on the upper end of the power chassis, microwave generating units arranged on the two sides of the microwave resonance cavity and a roller mechanism arranged in the microwave resonance cavity. The rolling microwave irradiation system is adopted to perform efficient disinfection on field soil, effectively reduces the risk of local overheating caused by microwave irradiation, effectively improves the microwave irradiation efficiency and uniformity of soil, and realizes the microwave irradiation disinfection treatment operation on the field soil piece by piece.

The purpose of the present disclosure is to provide a device in which a microwave-blocking container is provided inside a vacuum container, and which makes it possible to more easily and more definitively block microwaves. A device according to the present disclosure is equipped with a housing, a vacuum container provided inside the housing, and a microwave-blocking container which accommodates an object to be treated and is provided inside the vacuum container, and is characterized in that the microwave-blocking container has a microwave radiation part and an opening which blocks microwaves and allows a gas inside the microwave-blocking container to flow into the vacuum container.

This invention discloses a method and system for drying and curing non-metallic materials based on frequency-conversion microwaves. The method includes: placing the non-metallic material to be treated in a microwave resonant cavity, with a microwave-sensitive agent coated on the surface of the non-metallic material; setting the microwave frequency modulation range, power gradient, and processing time according to the type, thickness, and target drying / curing degree of the non-metallic material; starting a microwave generator and using frequency-conversion microwaves to dry and cure the non-metallic material through a stepped heating strategy and intermittent microwave radiation mode; and turning off the microwave generator and using natural cooling or forced air cooling to lower the temperature of the non-metallic material to room temperature. Using this invention, heating efficiency can be improved, and the uniformity and stability of the material drying and curing process can be ensured.

A super-wet surface is a polypropylene surface, on which a hydrophilic side group is grafted, having a micro-nano structure. The super-wet surface is at least super-hydrophilic and does not contain an initiator residue. The super-wet surface is prepared by grafting, in the absence of an initiator, by means of microwave irradiation, a monomer for forming a side group, on the polypropylene surface, as a grafting base, having a micro-nano structure. In the preparation of the super-wet surface, the molecular weight of polypropylene does not decrease after grafting, there is no residual monomer or initiator residue, and the super-wetting effect of the obtained surface is lasting and stable. The super-wet surface can be used in bonding, spraying, oil-water separation, water treatment, biology, medicine and energy fields.

The invention discloses a soil microwave uniform disinfection operation system and an operation method thereof, and belongs to the technical field of soil disinfection, the soil microwave uniform disinfection operation system comprises a power chassis, a machine-mounted control box, a rolling type microwave irradiation system, a conveying mechanism and a soil shoveling mechanism, the soil shoveling mechanism and the conveying mechanism are sequentially installed at the front end of the power chassis, the airborne control box and the rolling type microwave irradiation system are mounted at the upper end of the power chassis; the rolling type microwave irradiation system comprises a microwave resonant cavity arranged at the upper end of the power chassis, microwave generating units arranged on the two sides of the microwave resonant cavity and a roller mechanism arranged in the microwave resonant cavity. The rolling type microwave irradiation system is adopted to efficiently disinfect field soil, the local overheating risk of microwave irradiation is effectively reduced, the microwave irradiation efficiency and uniformity of the soil are effectively improved, and microwave irradiation disinfection operation is carried out on the field soil block by block.

This invention relates to a microwave radiation method for preparing room-temperature phosphorescent polymer films based on polyacrylamide, belonging to the field of organic light-emitting materials. The method involves dissolving acrylamide monomer, ammonium persulfate initiator, and β-diketone ligand in a mixed solvent of water and acetonitrile, placing the solution in a microwave reactor, and polymerizing it under microwave radiation to obtain the polymer. The resulting colloidal solution, dissolved in deionized water, is uniformly coated onto a polytetrafluoroethylene (PTFE) or silicone plate, and dried to obtain the room-temperature phosphorescent polymer film based on polyacrylamide. The prepared polymer film exhibits blue or blue-green fluorescence and a green afterglow. The polymer film containing 4,4,4-trifluoro-1-(2-naphthyl)-1,3-butanedione has an afterglow time of up to 7.5 seconds. The raw materials of this invention are readily available, the preparation method is simple, convenient, and rapid, requiring no inert gas protection, the solvent does not require treatment, polymerization can be completed in minutes, and the obtained material is non-toxic, non-polluting, free of heavy metals and halogens, has good water solubility, and has broad application prospects.

The invention belongs to the technical field of asphalt materials, and discloses an activated rubber powder modified cold-mix asphalt mixture and a preparation method thereof.The activated rubber powder modified cold-mix asphalt mixture comprises emulsified asphalt, activated rubber powder, aggregate and filler, and the mass ratio of the activated rubber powder to asphalt components in the emulsified asphalt is (0.10-0.20): 1; wherein the activated rubber powder comprises rubber powder and epoxidized C5 petroleum resin, and the rubber powder and the epoxidized C5 petroleum resin are mixed and activated through microwave irradiation to prepare the activated rubber powder. According to the invention, the problem of insufficient compatibility of rubber powder and asphalt in the cold-mixed mixture is improved, and the obtained mixture has good strength and stability.

An apparatus for and a method of microwave heating of rotatable articles includes at least one microwave radiation source, at least one wave guide and a heating chamber for receiving a rotatable article which includes a material absorbing microwave radiation. Each microwave radiation source is connected to the heating chamber via at least one wave guide having at least one inlet in a lateral wall of the heating chamber. The heating chamber includes at least two covers in the form of an area defined by an inner and outer circumference. At least one cover is vertically slidable relative to the lateral wall of the heating chamber in combination with a stationary ring on the outer circumference of said area and at least one extendable portion on the inner circumference of said area. The method allows for direct and selective heating of the heated portion of the rotatable article.

The present application relates to waste catalyst treatment field, disclose a kind of production method and nano molecular sieve using waste zeolite molecular sieve catalyst as raw material to prepare nano zeolite molecular sieve, the method comprises: (1) the waste zeolite molecular sieve catalyst of micron grade crystal grain size is calcined and impurity is removed;(2) subsequently it is placed into high-energy nanoscale ball mill and is ball milled, and the nanoscale amorphous fragment powder with crystal structure unit is obtained;(3) after the powder is mixed with water, alkali, structure directing agent, surfactant, and then hydrothermal crystallization is carried out by microwave irradiation;The frequency of microwave irradiation is above 433.92MHz, and the mass ratio of ball milling medium to raw material is above 3.The method of the present application can be used to synthesize nano molecular sieve using micron-sized raw materials.

The invention discloses an anti-microwave-radiation and anti-blue-light spectacle lens and a preparation method thereof, and belongs to the technical field of optical lenses, the anti-microwave-radiation and anti-blue-light spectacle lens is structurally divided into three layers, namely an anti-blue-light layer, a water-resistant antifouling layer and an anti-microwave-radiation layer from bottom to top in sequence, through a special synergistic relationship among the three layers, the interface bonding is good, and the anti-microwave-radiation and anti-blue-light spectacle lens is not easy to peel off; in addition, good microwave radiation prevention and blue light prevention effects are achieved, oil contamination can be prevented, adhesion of rainwater can be avoided when the waterproof and anti-glare film is used in rainy days, and the sight is prevented from being influenced; the prepared antifouling layer contains pyridine groups, the pyridine groups and cobalt metal ions of the ZIF-8 / ferric oxide composite fibers in the microwave radiation prevention layer can easily form coordinate bonds, pyridine group doping is formed, the dielectric loss angle tangent of ZIF-8 is low, and the consumption efficiency of microwave electric field energy is limited. The doping coordination of pyridine groups can promote the formation of active sites, enhance dipole polarization and interface polarization, and improve the microwave radiation resistance of the microwave radiation resistance layer.

1. The name of the design product: agile waveform pulse generator. 2. The use of the design product: for verifying the function of the electronic sensitive device equipment when the agile waveform pulse signal is radiated and coupled to the electronic sensitive device equipment under high power microwave radiation, verifying whether the function of the electronic sensitive device equipment is disturbed or the system functional failure error occurs, thereby destroying the electronic devices in the system. 3. The design points of the design product: in the shape of the product. 4. The picture or photo that best indicates the design points: perspective view.

The embodiments of the present disclosure relate to a method and compounds for generating plasma. The method comprises exposing a carbon nanomaterial to a field of microwave radiation. Where the carbon nanomaterial is produced by molten carbonate electrolytic splitting of carbon dioxide.

The application relates to the field of building materials, and particularly discloses a preparation method of a negative-carbon cement-based non-burning brick material based on a slag interface strengthening effect, which comprises the following steps: (1) uniformly mixing slag powder, silica ash, a strengthening agent powder, wollastonite powder, carbide slag powder, multi-walled carbon nanotubes, sodium silicate powder and water, and then curing; after the completion, crushing and grinding a hardened body to obtain modified slag powder; (2) uniformly mixing the modified slag powder and water to form wet materials, and then performing carbonization treatment in a carbon dioxide atmosphere; after the completion, drying, performing microwave irradiation treatment on the obtained powder, and finally performing grinding to obtain interface-strengthened slag powder; and (3) taking the interface-strengthened slag powder, Portland cement, fly ash, fine aggregate and a water reducing agent as raw materials, uniformly mixing the raw materials with mixing water to obtain the non-burning brick material. The application not only improves the strength of the non-burning brick, but also can solidify carbon dioxide, further reduces carbon emission in the preparation of the non-burning brick, and promotes the green and low-carbon application of the slag.

The invention relates to the technical field of coal gangue treatment, in particular to a method for preparing 45 mullite by using solid waste coal gangue, which comprises the following steps: crushing and screening the solid waste coal gangue, then carrying out microwave irradiation, after irradiation, feeding into a planetary ball mill for grinding and drying, adding a composite alkali solution, stirring and activating to obtain 45 mullite; the composite alkali solution is an aqueous solution formed by mixing NaOH and Na2CO3; adding an interface modifier and composite nanoparticles into the activated coal gangue powder to obtain modified powder; adding water, mixing, pugging, aging, carrying out static pressure molding, and maintaining the pressure to obtain a green body; and uniformly spraying an aqueous solution prepared from a mineralizing agent on the surface of the green body, pre-drying after spraying, carrying out segmented calcination, and cooling to room temperature to obtain the 45 mullicarb. The coal gangue is cooperatively treated through microwave irradiation, compound alkali activation, interface modification and a compound mineralizer, so that the problems of inertia of silicon-aluminum components and poor interface compatibility of the coal gangue are solved, and solid waste resource utilization is realized.