62results about How to "Increase choice" patented technology

The invention discloses a coupling fused salt energy storage coal-fired power generation system and method based on an energy matching principle, and the method comprises the steps: in a heat storage stage of a coal-fired power generation unit, heating fused salt through latent heat of main steam and sensible heat of reheat steam, and storing heat; the fused salt is stored in a plurality of storage tanks and is divided into first-temperature fused salt, second-temperature fused salt and third-temperature fused salt according to the temperature from high to low; the third-temperature fused salt is pumped to a main steam condensation supercooling heat exchanger and is converted into second-temperature fused salt after absorbing main steam and releasing latent heat, one part of the third-temperature fused salt is stored in a storage tank corresponding to the second-temperature fused salt, and the other part of the third-temperature fused salt is further heated through a main steam sensible heat exchanger, a reheat steam heat exchanger and a fused salt electric heater; when the temperature reaches the upper limit of the fused salt utilization interval, converting into first-temperature fused salt; and in the heat release stage of the coal-fired power generation unit, steam is generated through the first-temperature fused salt to be externally supplied or merged into a steam turbine to do work for power generation, and water is heated through the second-temperature fused salt to release heat.

The invention relates to the technical field of electrolysis, in particular to trifluoromethyl sulfonamide electrolytic fluorination equipment which comprises a preparation box, and the inner wall of the preparation box is fixedly connected with an electrolytic bath; and the self-adaptive electrolysis adjusting mechanism comprises an anode and a cathode which are used for electrolytic treatment. The temperature of the surface of the electrode is monitored in real time through the infrared thermometer, then the concentration of trifluoromethyl sulfonamide is fed back, electrolysis conditions are automatically adjusted according to temperature changes, the electrolytic reaction is prevented from being too violent, side reactions are reduced, the infrared thermometer transmits monitored temperature data to the PLC, and the PLC controls the temperature of the electrode. The PLC automatically adjusts a second electric telescopic rod according to temperature feedback, so that the second telescopic rod pushes a conducting strip to slide on a resistance plate, current and voltage between electrodes are changed, then a first motor is controlled, a bidirectional screw is driven to rotate to be matched with a limiting rod, and the distance between the anode and the cathode is dynamically adjusted.

The invention discloses a payment method and device based on an NFC tag, a user terminal, a system and a medium, and belongs to the field of electronic payment. The method comprises the steps of transmitting application information of a payment application or control information of an intermediate control corresponding to near-field operation to a user terminal through an NFC technology in response to the near-field operation of the user terminal on an NFC tag, the user terminal calls a target payment application according to the obtained application information of the payment application or calls the target payment application through an intermediate control, and the target payment application is one of at least two payment applications supported by the acceptance equipment; and scanning the payment code displayed by the target payment application called by the user terminal, and performing payment based on the payment information in the payment code. According to the embodiment of the invention, the flexibility of NFC payment can be improved.

The invention discloses a high-entropy alloy fiber material of a core-shell structure and a preparation method and application thereof, and belongs to the technical field of alloy material preparation.The method comprises the steps that a buffering agent is dissolved in deionized water to obtain a solution A, the solution A is heated, a complexing agent, additional salt, a reducing agent and soluble metal salt are sequentially added, stirring and dissolving are conducted, and a solution B is obtained; adjusting the pH value of the solution B, and standing at room temperature to obtain an electrolyte; performing ultrasonic cleaning, flushing and drying on the conductive fibers with acetone, ethanol and deionized water respectively; a saturated calomel electrode is used as a reference electrode, a conductive fiber is used as a working electrode, a carbon electrode bar is used as a counter electrode, the three electrodes are immersed in an electrolyte, a constant-potential electro-deposition method is used, electro-deposition is carried out on the surface of the conductive fiber, and the high-entropy alloy fiber is obtained. Uniform electro-deposition of the high-entropy alloy on the surface of the fiber is achieved, and the high-entropy alloy fiber material with excellent conductivity is obtained.

The present invention provides a carbazole terpyridine ruthenium complex or its salt, or its solvate. The present invention also provides a method for synthesizing the carbazole terpyridine ruthenium complex. The present invention further provides a probe. The present invention further provides the use of the above-mentioned carbazole terpyridine ruthenium complex or its salt, or its solvate, and / or the above-mentioned probe in detecting oxygen. The present invention provides a carbazole terpyridine ruthenium complex oxygen detection probe and its preparation method and application, which uses carbazole terpyridine as an optical signal reporting group to prepare a molecular fluorescent probe that can be used to detect oxygen, and generates singlet oxygen by reacting with oxygen under light conditions and continuing to react with singlet oxygen to obtain an oxidation product with significantly enhanced fluorescence, thereby achieving highly selective, in-situ, and real-time response to oxygen.

The utility model relates to a three-way device for a discharge port of a bag type dust collector, and belongs to the technical field of dust removal treatment. Comprising an ash hopper, a valve body, a rotating body, a gate valve, a base plate and ash discharge ports, the rear side of the ash hopper is connected with the valve body, the rear side of the valve body is simultaneously connected with the rotating body and the two ash discharge ports, the gate valve and the base plate are arranged between the ash discharge ports and the valve body, and a valve plate arranged on the rotating body can control the ash discharge ports to discharge ash when the valve body rotates. And after the gate valve on each ash discharge port is inserted into the base plate, the ash discharge port can be closed. The utility model has the beneficial effects that the ash discharge amount can be effectively controlled, the waiting time for receiving ash is avoided, the choices of various ash discharge modes are increased, the production efficiency is improved, and the production cost is saved.

The invention discloses a production scheduling method and device and a computer readable storage medium, and the method comprises the steps: obtaining the production order data of a target product, and initializing a population based on the production order data; crossover and variation: calculating the fitness of each individual in the population according to the objective function and the constraint function, determining high-quality individuals and low-quality individuals according to the fitness, retaining the high-quality individuals, and randomly selecting a preset number of low-quality individuals for crossover and variation to obtain a next-generation population; iteratively executing crossover mutation operation on the next-generation population until an iteration stopping condition is met, and obtaining an optimal population; and determining the production scheduling scheme corresponding to the individual with the highest fitness in the optimal population as the optimal production scheduling scheme. According to the multi-objective function and the constraint condition corresponding to the multi-constraint function, the fitness of each individual in the population is calculated, the method can adapt to the complex and changeable production scheduling problem, and therefore the production scheduling efficiency of products can be effectively improved.

This invention relates to a tandem solar cell, its fabrication method, and its application. The tandem solar cell comprises a top layer of perovskite cells and a bottom layer of back contact cells stacked sequentially from top to bottom. The perovskite cells include a front glass layer, a first passivation layer, a perovskite composite layer, and a second passivation layer stacked sequentially from top to bottom. The perovskite composite layer includes at least two polar perovskite regions and perovskite electrodes disposed on both sides of each polar perovskite region in a first direction. The back contact cells include a back glass layer, a back electrode layer, and a crystalline silicon layer stacked sequentially from bottom to top. In the solar cell provided by this invention, the perovskite composite layer of the perovskite cell is designed with a specific structure using polar perovskite and perovskite electrodes to form a built-in electric field, driving the directional movement of electron-hole pairs to generate current. Combined with the introduction of the back contact cells, more solar radiation is received, thus improving the performance of the tandem solar cell.

This invention relates to the field of sensing materials technology, specifically disclosing a cellulose-based conductive hydrogel material for ascorbic acid detection, its preparation method, and its applications. This hydrogel uses TEMPO oxidized cellulose nanofibers (TOCNF) as a biocompatible matrix. By introducing Cu-BTC / CNT composite nanoparticles, a three-dimensional conductive network with both high electrochemical activity and structural stability is constructed. While retaining the biocompatibility and flexibility of cellulose, it exhibits particularly high sensitivity and selectivity in detecting small biomolecules such as ascorbic acid, with short response time and good stability. This method achieves synergistic optimization of the composite material's structural uniformity and functionality without relying on complex molding processes. Experimental results show that the conductive hydrogel prepared by this invention possesses good mechanical properties and biocompatibility, exhibiting high sensitivity and stability in biosensing fields such as ascorbic acid detection, providing a novel high-performance material basis for flexible biosensors.

The present invention provides a semiconductor packaging structure with linear metal welding wires and a preparation method thereof, wherein the semiconductor packaging structure comprises a chip, a linear metal welding wire and a packaging layer. The chip surface comprises a welding pad; the linear metal welding wire contacts the welding pad to form a welding point, and the linear metal welding wire comprises one or a combination of a vertical linear metal welding wire and an inclined linear metal welding wire; the packaging layer covers the chip surface and the linear metal welding wire, and the packaging layer exposes the linear metal welding wire. The present invention forms the linear metal welding wire in the first packaging area of ​​the packaging layer, and the curved metal welding wire in the second packaging area of ​​the packaging layer, and forms a semiconductor packaging structure with linear metal welding wires by thinning the packaging layer and wafer cutting without adding process steps. There is no special restriction on the welding wire model, which can expand the selection of welding wire models, reduce the difficulty of process control, reduce manufacturing costs, reduce damage to chips, and improve product quality.

A film for laminating a metal plate, the film comprising a polyester resin layer (A), wherein the polyester resin layer (A) contains a pigment, wherein the pigment includes at least one of an inorganic pigment or an organic pigment, and a pearl pigment; and the film for laminating a metal plate has an a* value of -5 to 20 and a b* value of 0 to 50.

The utility model relates to a massage machine core, including motor and gearbox, the motor is driven with first massage component and second massage component respectively after vertical output shaft of gear chain change speed in gearbox, wherein: second massage component is driven reciprocating motion by the biasing shaft section linkage of output shaft, and it includes transmission ring nest and the hinged traction arm of it, is provided with finger pressure head at the distal end of traction arm, transmission ring nest is movably sleeved on the biasing shaft section, and the reciprocal swing of the constraint of a pin shaft that traction arm is set on gearbox makes the reciprocal swing, and the bottom surface of traction arm and pin shaft or gearbox, still be provided with the mutual cooperation of the abutment inclined plane, and the superimposed undulating action of far and near movement of traction arm is made with the help of abutment inclined plane. The utility model has the characteristics of unique conception, clever structure, reciprocating motion superimposed undulating, the movement plane of traction arm is changed through abutment inclined plane, and the undulating of finger pressure head produces, simulates the change of finger pressure light and heavy.

A method for generating control command data for controlling a CNC-lathe to perform a turning operation by means of a turning tool (7), the method comprises the steps of: generating control command data for: commanding the turning tool (7) to perform a first turning pass (52, 55) and a second turning pass (50), wherein a maximum cutting depth of a second turning pass (50) is greater than a maximum cutting depth (64) for the first turning pass (52, 55).

The invention relates to a preparation method of benzoxazine tackifying resin, which comprises the following steps: mixing benzenediol with aniline and paraformaldehyde at 85-95 DEG C to react for 4-7 hours, thereby obtaining the benzoxazine tackifying resin, the benzenediol comprises one or more of resorcinol, catechol and hydroquinone. The benzoxazine tackifying resin can be used for tackifying a rubber composition and has good performance.

The invention relates to the field of preparation of natural products, and particularly provides self-assembled granules for improving the auxiliary gastric mucosa protection effect of piperine and a preparation method of the self-assembled granules. The method comprises the following steps: dissolving piperine and mallotus oblongifolius polyphenol, mixing, adjusting the pH value, heating, concentrating, purifying and drying. According to the piperine self-assembly nano-particles and the preparation method thereof, the problems that in the self-assembly process of natural products, the structure is complex, and subtle equilibrium relation exists among compounds are solved, the piperine self-assembly nano-particles are successfully prepared, and the piperine auxiliary gastric mucosa protection capacity can be remarkably improved only by 20 mg / kg and b.w. In addition, the piperine and the mallotus oblongifolius polyphenol are separated and recovered based on the natural eutectic solvent aqueous two-phase system, the method has the advantages of being large in extraction amount, easy to operate, mild in preparation condition, high in selectivity, environmentally friendly and efficient, and the problems that a traditional extraction separation method is difficult in purified product recovery, low in selectivity, low in efficiency and the like are solved.

The invention discloses an alternating current and direct current hybrid micro-grid optimization scheduling method, and relates to the field of micro-grids. The method comprises the following steps: constructing a mathematical model of an AC / DC hybrid micro-grid system; according to the mathematical model, establishing an operation cost model of the AC / DC hybrid microgrid system; the operation cost model comprises operation cost and environment processing cost; the operation cost comprises the operation and maintenance cost of a controllable distributed power supply, the operation and maintenance cost of an uncontrollable distributed power supply, the cost of an energy storage unit, the cost of interaction with a large power grid and the cost of electric energy interaction of an electric vehicle; acquiring historical operation data of the AC / DC hybrid micro-grid system at each moment in a preset time period; according to historical operation data, an improved dung beetle optimization algorithm is adopted to solve the operation cost model, and an optimal scheduling result is obtained. According to the invention, comprehensive optimization of multiple dimensions of power generation, power storage and interaction of the AC / DC micro-grid system can be realized.

The invention discloses an instant defect positioning method based on code change representation and query return. The method comprises the following steps: firstly, aligning given code changes to obtain change information; and then extracting sequence features before and after the change to generate a feature representation of code change, combining the feature representation with the code feature sequence before the change, and inputting the feature representation into a positioning model for training. Code change representation learning and task-specific components such as a classifier on a target task are subjected to joint training, and dependence on label supervision is avoided. And a query return mechanism is designed to highlight the changed code, so that the changed code snippets interact with the whole code change, important information is adaptively selected from the code change, and the accuracy and reliability of defect positioning are improved.

Methods and apparatus are described that support efficient handover of data paths corresponding to communication sessions between different non-3GPP access networks, such as networks including WiFi access points, using network core functions. The present invention describes a novel enrollment process that exchanges UE and AMF capability information at an early stage in the enrollment process. An initial registration request message from a UE over a 3GPP or N3GPP access network may, but does not need to indicate whether the UE supports path switching for MA PDU sessions between N3GPP access paths. A registration accept message sent to the UE identifies an access and mobility management function (AMF) selected to support a first UE communication session, and includes AMF path switch capability information indicative of a path switch support capability of the identified AMF, such that the UE is aware of path switches supported by the AMF.

The present invention provides a method for synthesizing D-psicose by converting a biomass hydrolysate using whole cells, using a wet cell obtained from a culture solution after induction culture of a recombinant Escherichia coli as a biocatalyst, directly using the biomass hydrolysate as a substrate in the presence of metal ions, and directly performing a catalytic reaction without treatment to obtain D-psicose; the recombinant Escherichia coli is a recombinant Escherichia coli that simultaneously expresses glucose isomerase and D-psicose-3 epimerase. The method of the present invention can realize the one-step conversion of a biomass hydrolysate into a high-concentration D-psicose solution, using whole cells as a catalyst, without the need to purify the enzyme, reducing the process steps, reducing the inhibitory effect of impurities in the hydrolysate on the enzyme, so that the production cost can be significantly reduced, which is conducive to industrial production, and the conversion rate of D-psicose can reach more than 15%.

The invention relates to a motor control method, in particular to a permanent magnet motor driving system switching point selection model prediction control method, a permanent magnet motor is a synchronous motor, and a driving circuit of the permanent magnet motor comprises two level converters. Comprising the following steps of establishing a permanent magnet synchronous motor mathematical model under a dq-axis rotating coordinate system, performing forward Euler discretization on differential terms of the permanent magnet synchronous motor mathematical model, quantifying the differential terms of the permanent magnet synchronous motor, performing cost function error term disassembly and the like. According to the model predictive control method adopted by the invention, current predictive substitution is carried out by combining a current differential term with a switching point balance equation, the influence of external disturbance and load change is not easily caused, the control precision is relatively high, the response speed is relatively high, a target function can be quickly pre-selected, an error term can be decomposed, the algorithm complexity is reduced, and the efficiency is improved. And meanwhile, the differential terms of the permanent magnet synchronous motor are quantized, so that the number of current iterations is reduced, and the steady-state performance of the system is improved.

The utility model discloses a mould for a flow guide plate in a water tank of a breathing machine, which comprises an upper mould base and a lower mould base, a cavity is arranged between the upper mould base and the lower mould base, and the cavity is used for forming the flow guide plate in the water tank of the breathing machine. The upper mold cooling water channel and the lower mold cooling water channel are spirally distributed and correspond to each other; and the upper mold cooling water channel and the lower mold cooling water channel are respectively connected with an independent cooling liquid circulating system. The upper mold cooling water channel and the lower mold cooling water channel adopt the design of multilayer spiral distribution and independent circulation, and are matched with the spoiler and the novel cooling medium channel, so that compared with a traditional cooling water channel, the mold can be cooled more uniformly and more quickly, the cooling efficiency is greatly improved, the production period is shortened, and the production cost is reduced.

A magnetic random access memory and a method for forming the same, the magnetic random access memory comprising: a substrate; a first dielectric layer located on the substrate, the first dielectric layer having a first opening; a plurality of composite layers located in the first opening, the plurality of composite layers overlapping in a direction perpendicular to the sidewall surface and the bottom surface of the first opening, and the composite layers comprising a first electrode layer and a second electrode layer located on the surface of the first electrode layer, the first electrode layer and the second electrode layer being made of different materials; a magnetic tunnel structure located on the plurality of composite layers; and a top electrode located on the magnetic tunnel structure. The performance of the magnetic random access memory is improved.

The invention discloses a rapid and high-sensitivity mycobacterium tuberculosis drug-resistant strain identification and Raman quantitative analysis method, which comprises the following steps of: firstly, constructing a semiconductor surface enhanced Raman substrate with high stability and high enhancement factors by adopting a self-assembly method to amplify a Raman signal of a signal molecule to be detected, and providing high sensitivity for analysis and detection; secondly, designing and synthesizing a plurality of mycobacterium tuberculosis nucleic acid recognition units with single base recognition capability according to mutation sites of key drug-resistant genes of the binding bacilli; appropriate Raman signal molecules and internal reference analysis are selected, a high-selectivity and high-sensitivity enzyme-free nucleic acid amplification process-free rapid mycobacterium tuberculosis drug-resistant gene Raman analysis probe is constructed, and a brand new mycobacterium tuberculosis drug-resistant strain identification and Raman quantitative analysis chip and method are constructed through spatial arrangement design. And finally, normal-temperature long-term preservation of the analysis reagent, low-cost rapid typing of common binding bacterium drug-resistant strains, and high-sensitivity and high-selectivity quantitative analysis detection are realized.

This invention discloses a fuel cell cycle system and its control method based on high-frequency pulsed coordinated ejection. The system includes a hydrogen inlet pipeline, an ejector, a fuel cell stack, a vapor-liquid separator, and a tailpipe valve. The hydrogen inlet pipeline includes a hydrogen inlet solenoid valve, a proportional valve, and a pulse solenoid valve. These valves are sequentially connected to the hydrogen inlet of the ejector. The hydrogen outlet of the ejector is connected to the hydrogen inlet of the fuel cell stack, and the stack's outlet is connected to the liquid-vapor mixture inlet of the vapor-liquid separator. The hydrogen return port of the ejector is connected to the separation outlet of the vapor-liquid separator. The liquid outlet of the vapor-liquid separator is connected to the tailpipe valve. The hydrogen inlet pipeline is connected to a hydrogen source. This invention improves battery performance consistency, suppresses performance degradation, and enhances system reliability and stability by creating a sufficient pressure differential to drive hydrogen circulation.

The present invention belongs to the technical field of data processing of anti-cancer candidate drug molecular descriptors, and provides a quantitative optimization method and system for anti-cancer candidate drug compound molecules. The method includes obtaining candidate drug molecular descriptors and target biological activity data; screening out several key molecular descriptors according to the correlation between the candidate drug molecular descriptors and the target biological activity data; encoding each key molecular descriptor and converting it into a corresponding vector representation; based on the vector representation of each key molecular descriptor, minimizing the cancer target biological activity value as the objective function, under the conditions of the value constraints of each key molecular descriptor and the ADMET property constraints of the compound, screening out the molecular descriptor category and content value range of the anti-cancer candidate drug.

The utility model discloses a 577nm trapped wave negative optical filter, which comprises a transparent substrate and a filter film, the filter film is plated on the upper surface of the transparent substrate, the filter film comprises a plurality of high refractive index film layers with different thicknesses and a plurality of low refractive index film layers with different thicknesses, and the total number of the layers is 242. The average transmittance of the 577 nm notch negative optical filter to light with the wavelength ranging from 400 nm to 900 nm is 95%, the half width of a cut-off band is 23 nm, and the cut-off depth of the 577 nm notch negative optical filter to light with the wavelength of 577 nm is 4.739. And after light enters the 577nm notch negative optical filter from air, only the light with the wavelength range of 400-900nm is emitted, and the light with the wavelength of 577nm is filtered out.

The present invention belongs to the field of new smoking device heating elements, and in particular, relates to an isolated heating element and its use. The heating element comprises a heating cup (1) and a heating element (2); the heating cup (1) is a hollow cylindrical structure having a hollow cavity; the heating element (2) is arranged below the bottom of the heating cup (1), and is isolated from the hollow cavity by the heating cup (1). The present invention also discloses the use of the above heating element. The heating cup of the present invention is a cup-shaped container with a sealed bottom, and the bottom separates the heating element and the smoking product. Therefore, the generated smoke will not have a peculiar smell, and the taste is purer, which can maintain the original taste of the smoking product.

The present invention discloses a multi-split air conditioner, comprising an outdoor unit, a plurality of indoor units, a plurality of air pipes, a plurality of liquid pipes, a plurality of first temperature sensors, a plurality of second temperature sensors, and a control unit; the outdoor unit comprises an outdoor heat exchanger; the indoor unit comprises an indoor heat exchanger; each first temperature sensor is respectively arranged on each air pipe for detecting the air pipe temperature; each second temperature sensor is respectively arranged on each liquid pipe for detecting the liquid pipe temperature; the control unit is provided with an air pipe temperature limit, a liquid pipe temperature limit, and a first time limit, and is respectively connected with each first temperature sensor and each second temperature sensor to receive each air pipe temperature and each liquid pipe temperature; and is configured to judge whether the air pipe temperature and the liquid pipe temperature of the indoor unit that is not in operation are respectively within the air pipe temperature limit and the liquid pipe temperature limit and the duration reaches the first time limit; if yes, it is judged that the high temperature sterilization is completed; if no, it is judged that the high temperature sterilization is not completed. The present invention improves the sterilization efficiency and saves energy.

The utility model discloses a portable drawing ruler for art design in the technical field of drawing rulers, which comprises a ruler body, the ruler body is provided with scale marks which are transversely arranged, and the ruler body is provided with a circle drawing component and a parallel line component; the circle drawing assembly comprises a circular ring, the circular ring is arranged on the ruler body, the side edge, close to the circular ring, of the ruler body is attached to the side edge of the circular ring and is an arc-shaped edge, annular scale marks are annularly arranged on the circular ring, a transverse rod is fixedly connected into the circular ring and is parallel to the ruler body, and a rotating shaft is fixedly connected to the end, away from the circular ring, of the transverse rod. The marking rod is in clearance fit with the rotating shaft; the top of the identification rod at the rotating shaft is fixedly connected with a rotating rod. The scheme is simple and easy to operate, and through the design of the circle drawing assembly, convenient positioning and circle drawing operation of the position of the ruler body can be achieved.