404results about How to "Lower control costs" patented technology

The invention discloses a multi-parameter distortion compensation method for a fractured rock mass seepage similar model test, and relates to the technical field of rock mass engineering physical model tests. The method comprises the following steps of: firstly, determining two constraint conditions that the fluid property is invariable and the gravitational acceleration is invariable, correspondingly selecting a basic physical quantity and extracting a core criterion; then analyzing three types of distortion sources of geometric dimensions, dielectric materials and boundary conditions, and establishing a distortion function according to result parameters of seepage flow velocity, seepage flow and seepage pressure; secondly, parameters difficult to control are selected as distortion items, parameters easy to regulate and control are selected as compensation items, the distortion items are substituted into a distortion function to obtain a distortion ratio, the optimal distortion ratio of the compensation items is solved based on a compensation balance formula, and the parameters are adjusted; and finally verifying the interval range of the actually measured distortion ratio. According to the method, the multi-source distortion coupling influence is accurately quantified, the compensation pertinence and precision are improved, operation is easy and convenient, universality is high, and reliable support is provided for underground engineering seepage research.

The invention provides a game anti-addiction face age evaluation method and device, and relates to the technical field of artificial intelligence, and the method comprises the steps: in response to a verification request of a game application, collecting a face image of a user through an image collection device of terminal equipment; inputting the face image into a lightweight age evaluation model deployed in the terminal device for reasoning, executing living body detection and age evaluation, and determining a living body detection result and age evaluation data; wherein the lightweight age evaluation model is constructed based on a lightweight convolutional neural network, and an age sensitive feature attention module is configured in the model and is used for dynamically improving an endowed weight for an age-related feature region in the face image; the living body detection process and the age evaluation process are carried out cooperatively; and generating a control instruction for the game application according to the living body detection result and the age evaluation data in combination with a preset local anti-addiction rule base.

The invention discloses an alloy smelting batching scheme generation method and system, particularly relates to the technical field of metal material production and supply chain collaborative optimization, and is used for solving the problems of uncontrollable execution, cost waste and quality risk caused by disconnection of static parameters and a dynamic supply chain in an existing batching scheme. The method comprises the following steps: acquiring target alloy component demand parameters, raw material inventory allowance and purchase cycle parameters; identifying a dynamic constraint key material with a supply interruption risk; establishing a dynamic constraint model containing an inventory safety buffer threshold based on the historical consumption volatility; candidate batching schemes are generated through multi-level optimization; verifying inventory performability and compatibility of alternative material components; sorting and outputting the effective schemes according to the cost and inventory suitability; through supply chain risk quantification and dynamic constraint modeling, the feasibility of a batching scheme is remarkably improved, and production halt loss and potential quality hazards caused by supply interruption or blind substitution are reduced.

The invention relates to the field of solid-state batteries, in particular to a halide electrolyte, a preparation method and a solid-state battery. The halide electrolyte comprises a tin element, and the chemical formula of the halide electrolyte is Li2Zr < 1-x > Sn < x > Cl < 6-4x > O < 2x >, and x is less than or equal to 0.3. Through tin-oxygen co-doping, force is exerted at the same time from the two aspects of crystal structure (bulk phase) and interface chemistry, the key problems of ionic conductivity, electrochemical stability, interface compatibility and the like are cooperatively solved, the cost and the process are perfectly considered, and an all-solid-state battery electrolyte solution with a great commercialization prospect is provided.

The application discloses a preparation method of a novel composite SERS substrate based on MXene and trace detection application thereof, and particularly relates to the technical field of nanomaterials and spectral detection technology, wherein the substrate takes single-layer MXene nanosheets as a carrier; after synthesis, ZnO crystal seeds are subjected to mediated growth, and the Zeta potential difference between the MXene nanosheets and the ZnO crystal seeds is utilized to make the ZnO crystal seeds loaded on the surface of the MXene nanosheets through electrostatic adsorption to obtain a MXene / ZnO composite material; an Ag@Au core-shell structure is modified on the MXene / ZnO composite material, and finally, a MXene / ZnO@Ag@Au composite material, namely the composite SERS substrate, is obtained.

The invention relates to the technical field of low-resistance conductive materials, and particularly discloses a base particle vortex mediated near-room-temperature ultralow-resistance material which comprises a main body material and a regulating medium, the main body material is a doped transition metal oxide or a carbon-based composite material; the regulation and control medium is a low-atomic-weight doping agent; the doped transition metal oxide is La-doped SrTiO3 or Nb-doped TiO. Compared with a traditional copper conductor, the material has the advantages that the resistance is obviously reduced, the energy loss in the electron transmission process can be greatly reduced, the energy efficiency of electronic equipment and new energy equipment can be obviously improved, the material can adapt to the environment temperature change of most indoor and outdoor engineering application scenes, and the application prospect is wide. The problem that part of low-resistance materials are poor in temperature stability is solved, the reliability of long-term operation of devices is guaranteed, conventional processes and equipment such as magnetron sputtering, spin coating and pyrolysis, tube furnace doping and mechanical bending are adopted in the whole process, the operation process is clear and easy to understand, and large-scale production can be achieved in common material laboratories or small and medium-sized production workshops.

The application provides a preparation method of a diphenylfluorene polyether. The method uses diphenylfluorene as a substrate, butylene oxide as an epoxide monomer, toluene as an organic solvent, and under the action of a composite catalyst, reacts at 110-200 DEG C for 2-6 hours to obtain the diphenylfluorene polyether. The composite catalyst is obtained by reacting a porous aromatic skeleton with a bromoalkyl quaternary ammonium salt to obtain a quaternary ammonium salt functionalized porous aromatic skeleton, and finally, a basic catalyst is limitedly encapsulated in the pore channel of the quaternary ammonium salt functionalized porous aromatic skeleton by electrostatic attraction. The catalyst of the method can be recycled and reused, and the yield retention rate is greater than or equal to 92% after the composite catalyst is used for 5 cycles, and the method is suitable for optical display, high-frequency circuit board, semiconductor packaging and other fields.

The invention discloses a piezoelectric MEMS loudspeaker based on a folding ring between movable and fixed parts and application thereof, and belongs to the technical field of loudspeakers, the piezoelectric MEMS loudspeaker comprises a piezoelectric actuating assembly, a fixed assembly and a folding ring; the piezoelectric actuating assembly comprises a piezoelectric actuating composite layer, the piezoelectric actuating composite layer at least comprises a piezoelectric material layer, and the piezoelectric actuating composite layer generates mechanical displacement by applying voltage to drive the piezoelectric actuating assembly to vibrate so as to generate sound pressure; the fixing component can be a single structural component or a component with a plurality of structural components; the fixing assembly can be used for fixedly supporting the fixed supporting part of the piezoelectric actuating assembly, so that the non-fixed supporting part of the piezoelectric actuating assembly can freely move or vibrate; according to the invention, through the innovative design based on the folding ring between the moving part and the fixed part, the low-frequency vibration displacement of the vibrating diaphragm is remarkably improved, the problem that the low-frequency sound pressure of a traditional piezoelectric MEMS loudspeaker is insufficient is effectively solved, and the vibrating diaphragm can push air with a larger volume in a low-frequency band, so that a fuller low-frequency sound effect is obtained.

This invention discloses a drying device for the end screen of a main transformer bushing, comprising: an injection component and a drying component; the drying component includes: a detachable movable buckle sleeved on the end screen of the main transformer bushing; a base connected to the movable buckle; and a detachable sealing sleeve connected to the base for providing a gas passage, the sealing sleeve having an interface connected to the gas passage; wherein: the sealing sleeve is fastened to the outer periphery of the end screen of the main transformer bushing by the base and the movable buckle, the injection component is inserted into the interface, and the drying component provides drying gas to the outer periphery of the end screen of the bushing exposed to air, thereby forming a gas isolation zone on the outer periphery of the end screen of the main transformer bushing. The drying device for the end screen of the main transformer bushing of this invention can provide a relatively dry and sealed testing environment for the end screen of the main transformer bushing, reducing the probability of the end screen becoming damp; the structure is reasonable and helps control costs.

This invention relates to the field of food preservation technology and discloses a liquid preservative for preserving fresh walnut kernels. The preservative comprises a natural preservative, a solubilizing and stabilizing agent, and a solvent. This liquid preservative uses natural phloretin as the preservative component, combined with Tween 80 as a solubilizing and stabilizing agent and ethanol as a solvent. This effectively solves the problems of poor water and oil solubility and inadequate stability of phloretin, allowing it to be stably dispersed in the preservative system and fully exert its antioxidant and antimicrobial effects. Furthermore, the preparation method is simple and easy to implement, and the production process is safe and controllable. It is convenient to use; the preservation of fresh walnut kernels can be achieved through dilution and soaking. The diluted solution can be reused, reducing usage costs. Simultaneously, it can inhibit bacterial growth during the storage of fresh walnut kernels, delay oxidative deterioration, maintain their good appearance and quality, extend shelf life, and meet the market demand for high-quality fresh walnut kernels.

The application discloses a kind of water gate intelligent ecological flow scheduling device, by layered gate body mechanism, flexible bionic fishway guide vane assembly, sluice bottom microtopography bionic lifting adjustment base, fish attracting module and controller constitute;Wherein, layered gate body mechanism is created by the difference of different fish migration water layer matching flow pattern with multiple vertically distributed gate plate.This application also discloses a kind of fish attracting method based on water gate intelligent ecological flow scheduling device, comprising: S1, fish species identification and strategy selection, S2, pre-induction aggregation, S3, smooth migration, S4, safe crossing.The application realizes the intelligent fish crossing strategy of first induction and then guidance, slow and fast complementation by controlling gate plate dynamic opening and closing and bionic base lifting in stages, effectively reduces the stress response of fish, and improves the success rate of target fish species crossing.

This invention proposes a graphene film-based photoconductive semiconductor switch and its application method. It includes a substrate, a graphene film layer, a semiconductor layer, a first electrode, a second electrode, and a light incident window. The substrate is an insulating, high-temperature resistant substrate with the semiconductor layer fixedly attached to its top surface. The graphene film layer covers the top surface of the semiconductor layer, forming an ohmic contact between the graphene film layer and the semiconductor layer. This invention utilizes the excellent conductivity of graphene to form an ohmic contact between the graphene film layer and the semiconductor layer, effectively reducing the switch's on-resistance and improving its conduction efficiency. Simultaneously, the ultra-thin structure of the graphene film layer enhances laser absorption efficiency, improves the switch's laser trigger sensitivity, and shortens the response time. The substrate is made of insulating, high-temperature resistant alumina ceramic material, which improves the switch's high-temperature stability and insulation performance, extending its service life. The overall structure is simple, cost-controllable, and highly practical, showing significant improvements in response speed, conduction performance, and stability.

This application provides a power supply system and grid-connected control method. The power supply system includes a power source, an inverter, a transformer, a power station acquisition module, and an inverter acquisition and control circuit. The power station acquisition module acquires the amplitude and frequency of the grid-connected voltage at the grid connection point and obtains a power station power adjustment signal based on the amplitude and frequency of the grid-connected voltage. The inverter acquisition and control circuit acquires the amplitude and frequency of the inverter's output voltage and obtains an inverter power adjustment signal based on the amplitude and frequency of the output voltage. Based on the power station power adjustment signal and the inverter power adjustment signal, the circuit controls the inverter to output a target output power. Using this application, the output power of the inverter can be adjusted through the power station acquisition module and the inverter acquisition and control circuit. The structure is simple, the control method is convenient, the control accuracy and regulation efficiency are improved, the control time is reduced, and the control cost is lowered.

A kind of GPON hardware system based on Zynq architecture, including Zynq framework SoC chip, optical line terminal optical module and optical network unit optical module, Zynq framework SoC chip includes processing system and programmable logic part, processing system and programmable logic part communicate by AXI-lite protocol.The GPON hardware system of flexible, scalable, easy maintenance network topology of P2P (point to point) or P2MP (point to multipoint) provided by the application is composed of Zynq architecture Soc chip and OLT (optical line terminal) optical module, ONU (optical network unit) optical module etc., the number of each node of system and topology can be flexibly set, and each node can be managed, configured and maintained remotely by SoC development platform based on Zynq architecture, and the hardware system built by it has the advantages of simple system, controllable cost, management configuration, simple upgrade and maintenance, high safety and reliability, no backdoor etc.

The invention relates to a mesenchymal stem cell serum-free culture medium with limited chemical components as well as application and a method thereof, the serum-free culture medium is completely serum-free and has definite components: all additives are known chemical substances and meet the production requirements of cGMP (Complementary Good Manufacturing Practice); telomere shortening can be obviously delayed; replicative senescence is slowed down by activating TERT expression; the multiplication capacity can also be enhanced; the P10 generation cells still have the active division capacity; multidirectional differentiation is supported; the osteogenic differentiation efficiency is superior to that of a traditional serum-containing system; and the method is suitable for industrial production and clinical transformation.

This invention relates to a commercially compatible and flexibly deployable OFDM backscatter communication method and system, belonging to the field of wireless communication. This invention enables nodes to perform backscatter communication without deploying synchronization modules, transmitting their own information to a commercial OFDM receiver with low power consumption, thus avoiding the limitation of node deployment range imposed by the sensitivity of synchronization modules. This invention uses a single-carrier signal from the environment as the excitation signal and transmits node information to the OFDM receiver through low-power cross-system conversion from single-carrier to multi-carrier. For the incident single-carrier excitation signal, the node performs low-power replication and shifting of the signal's spectrum during reflection, converting it into an OFDM reflected signal with multi-carrier characteristics. Since the node does not need to synchronize with the excitation signal before reflection, this invention significantly increases the effective operating radius of the backscattering node and enhances node deployment flexibility. Simultaneously, because the node achieves cross-system conversion from single-carrier to multi-carrier OFDM signals, it also possesses the advantage of commercial compatibility.

The application discloses a kind of mobile robot autonomous navigation and barrier avoidance system, belong to mobile robot control technical field.This system includes mobile robot body, perception module, controller module, actuator module and power module;Perception module uses laser radar, infrared thermal imaging sensor, visual identification sensor, ultrasonic sensor collaborative work, collects full scene environment data;Controller module integrates multifunctional unit, handles environment data by improved adaptive weight fusion algorithm, combines thinking chain reasoning analysis barrier movement intention, collates reinforcement learning prediction unit and predicts dynamic barrier trajectory, then plans optimal path by improved A* algorithm, realizes barrier avoidance control and closed-loop feedback correction.This system solves the defects such as low perception accuracy, barrier avoidance lag of prior art, can accurately perceive environment, active barrier avoidance, stable and reliable operation, adapts to a variety of complex scenes, and has strong practicality.

The invention relates to an oiling agent for chemical fiber spinning and a preparation method and application of the oiling agent. The oiling agent comprises novel oligomeric potassium alkyl sulfate, a nonionic surfactant, an emulsifier, solvent oil and water. The emulsion formed by dissolving the novel oligomeric alkyl sulfate potassium salt oil agent in water has excellent stability, and does not have obvious phase separation phenomena such as sinking and floating after standing at room temperature for 56h. When the oiling agent for chemical fiber spinning disclosed by the invention is applied to the field of chemical fiber production, chemical fibers can be endowed with excellent antistatic property and smoothness, so that the spinnability of the chemical fibers is better; and the oiling agent belongs to a green phosphorus-free formula, so that the spinnability index of chemical fibers is guaranteed, and the pollution of discharged water to the environment is reduced.

The invention belongs to the technical field of building materials, and particularly relates to impervious concrete and a preparation method thereof. The impervious concrete comprises a cementing material, aggregate, water and a self-repairing functional component, the self-repairing functional component comprises polyacrylic acid, polyaspartic acid, a calcium ion supplement and a reaction accelerator. According to the application, polyacrylic acid and polyaspartic acid are used as complexing carriers of calcium ions, when concrete micro-cracks appear, the calcium ions are driven by concentration gradient to directionally migrate to the deep positions of the cracks, substitution reaction is carried out on the calcium ions and silicate radicals and carbonate radicals in pore liquid, and hydrated calcium silicate and calcium carbonate precipitates are generated to fill the cracks; meanwhile, the polymer is released again to enter the next cycle, and multiple times of self-repairing are achieved. The prepared anti-seepage concrete is high in anti-seepage grade, large in repairing depth, capable of effectively self-repairing for multiple times, easy in raw material obtaining, simple and convenient in process, controllable in cost and suitable for important engineering structures with high anti-seepage requirements such as underground engineering, tunnels, water conservancy dams and ocean platforms.

The invention discloses a nitrate-free smoked ginseng sausage and a preparation method thereof, and belongs to the technical field of meat product processing. The method comprises the following steps: adding different addition amounts of ginseng powder into a nitrate-free smoked sausage to prepare the nitrate-free smoked ginseng sausage, mincing pork serving as a main raw material, adding water, plasma activated water, beet root powder, celery powder, ginseng powder and nisin, and uniformly stirring to prepare the nitrate-free smoked ginseng sausage. The preparation method comprises the following steps: uniformly stirring other ingredients including table salt, white granulated sugar, monosodium glutamate, potato starch, soybean protein isolate, pepper powder and ginger powder, pickling, filling, cooking, drying to be mature, cooling, and packaging in vacuum to obtain the nitrate-free ginseng smoked sausage. According to the method, the flavor quality and functional characteristics of the nitrate-free smoked sausage are optimized, the defects of a single nitrate-free smoked process in flavor level and nutritional added value are overcome, and the flavor and texture of the sausage are remarkably improved.

The invention provides a traditional Chinese medicine additive for improving the survival rate of piglets and a preparation method and application thereof, and belongs to the technical field of feed additives. The traditional Chinese medicine additive provided by the invention is Qibai tonifying powder and comprises the following raw materials in parts by weight: 20-30 parts of radix astragali, 15-25 parts of rhizoma atractylodis macrocephalae, 10-20 parts of pericarpium citri reticulatae, 10-15 parts of radix saposhnikoviae, 15-25 parts of folium cortex eucommiae, 10-15 parts of malt, 10-15 parts of cortex magnoliae officinalis, 5-10 parts of poria cocos, 5-10 parts of rhizoma dioscoreae and 5-10 parts of folium perillae. The Qibai tonifying powder provided by the invention improves the immunity of piglet organisms, promotes digestion and absorption, enhances the anti-stress ability of piglets and reduces piglet diarrhea through the synergistic effect of invigorating spleen and tonifying qi, strengthening superficies and resisting evil and strengthening tendons and bones, thereby achieving the purpose of increasing the survival rate of piglets.

The invention discloses a composite fireproof heat insulation pad for a battery pack and a preparation method thereof, and belongs to the technical field of battery safety. The heat insulation pad is of a double-layer composite structure, the inner layer is a high-silicon-dioxide glass fiber needled felt heat insulation core layer, and the outer layer is a ceramic silica gel glass fiber cloth fireproof coating layer. The two layers are sewn into a whole through high-temperature-resistant sewing threads, and a back adhesive layer is arranged on one side of the two layers. The product provided by the invention has excellent fire resistance (can tolerate flame at 1000 DEG C for 30 minutes), excellent heat insulation, excellent flexibility and thermal shock resistance, and is convenient to install. The preparation process is simple, can be completed through cutting, wrapping and sewing and gum application, and is suitable for large-scale production. The product can effectively delay or prevent heat spreading in the battery pack, and the battery safety level of the new energy automobile is remarkably improved.

This application discloses a piston-type multi-way valve and a water softener, comprising: a housing having a cavity, a first guide hole, and a second guide hole, the first guide hole communicating with the cavity; a sealing piston movably disposed within the cavity; a drive mechanism disposed on the housing; and a movable component having a first connecting portion and a second connecting portion, the first connecting portion slidably passing through the first guide hole and connected to the sealing piston, the second connecting portion being connected to the output end of the drive mechanism and slidably inserted into the second guide hole. By providing the first and second guide holes on the housing, the first connecting portion of the movable component slides within the first guide hole, and the second connecting portion of the movable component slides within the second guide hole, forming a dual-point cooperative guiding structure. This effectively limits the radial sway of the movable component during long-distance reciprocating motion, ensuring the straightness and stability of its motion trajectory, and improving the motion stability of the movable component.

The invention discloses a method for obtaining the thickness and refractive index of a film, a test system, a storage medium and application. The method for obtaining the thickness and the refractive index of the thin film comprises the following steps: obtaining an intermediate frequency signal carrying transmission phase information by using two groups of nonlinear transmission line terahertz frequency comb generators and a broadband mixer, and obtaining an actually measured phase curve based on the intermediate frequency signal; constructing an equivalent multi-optical-path interference model of the thin film, performing coherent superposition on multiple reflection components of a measured wave signal in the thin film in a complex field to obtain a complex phase of a total transmission field, and obtaining a phase-frequency change spectrum based on the complex phase as a model phase curve; and an error function of the model phase curve and the actually measured phase curve is constructed, and a parameter combination enabling the error function to take the minimum value is solved by scanning the parameter combination of the refractive index n and the thickness d of the thin film. According to the method, thermal drift or time drift of the phase is avoided, and then calculation errors caused by phase jump are avoided.

The invention discloses a graded regulation and control electrolyte for improving the low-temperature performance of a lithium iron phosphate-based lithium ion battery and a preparation method of the graded regulation and control electrolyte, and belongs to the technical field of lithium ion batteries. The electrolyte is prepared from the following components in percentage by mass: 70 to 90 percent of solvent system, 10 to 25 percent of lithium salt and 0.5 to 2 percent of functional additive, a solvent system comprises fluoroethylene carbonate as an inner shell layer, low-melting-point carboxylic ester as a middle layer and a mixture of two chain carbonates as a base layer. According to the electrolyte, the capacity retention ratio of the LFP battery at-30 DEG C is remarkably improved, the polarization voltage is reduced, the cycling stability is improved through graded regulation and control of a solvation structure, and the electrolyte is simple in preparation process and suitable for large-scale production.

The application discloses a kind of resource recycling methods for preparing tea pigment by tea dregs, and relates to the technical field of waste resource utilization;The method uses tea dregs after extracting tea pigment as raw material, obtains pure tea dregs after pretreatment, and then separates cellulose components and lignin-hemicellulose mixed components by alkali leaching-screening combined method, and then uses the two components as raw material respectively, shares core drying process, and synchronously prepares tea dregs dietary fiber and biomass briquetting fuel.The present application realizes the precise high-value utilization of different components of tea dregs, cellulose is used to produce high-purity dietary fiber, lignin-hemicellulose is used to produce high-performance briquetting fuel, and there is no component waste;Process procedure sharing, smooth connection.

The invention relates to a high-strength antibacterial spandex fabric and a preparation method thereof, and belongs to the technical field of functional textile materials. The spandex fiber comprises a spandex fiber matrix and a functional polymer layer grafted on the surface of the matrix through a covalent bond, and the functional polymer layer is a polymer of an unsaturated derivative of natural phenolic acid and is prepared by introducing carbon-carbon unsaturated bond groups such as acryloyloxy and the like into the natural phenolic acid through esterification or etherification. During preparation, the spandex fiber is subjected to plasma pretreatment, and then the spandex fiber and the natural phenolic acid-containing unsaturated derivative monomer are subjected to thermal initiation or photo-initiation graft polymerization to form the functional layer. The lasting and stable antibacterial function is achieved through covalent bond grafting, the natural phenolic acid derivative endows the fiber with the environment-friendly and non-dissolution type antibacterial property, the functional layer can improve the modulus and breaking strength of the fiber, the intrinsic elasticity of spandex is considered, the comfortable fitting characteristic of the composite fabric is reserved, and the composite fabric is endowed with the high strength and the antibacterial function.

The application discloses a control method and device of an inverter circuit and an inverter system, and belongs to the inverter field. The control method of the inverter circuit comprises the following steps: in the case that a grid performs a grid-connection and off-grid action, the minimum common-mode voltage between the neutral line and the protection ground line on the output side of the inverter is acquired; based on the number of point positions corresponding to the minimum common-mode voltage in the same power frequency cycle and the system delay time length, the target delay time length is determined; the system delay time length is determined based on at least one of the communication delay time length and the mechanical delay time length; after the target delay time length, the relay attraction instruction is issued; the relay attraction instruction is used for instructing the closing of the switching element. The control method of the inverter circuit can reduce the impact current generated in the moment of the closing of the contact, slow down the arc erosion of the relay, and prolong the service life of the relay.

This application discloses a heating control system for a rice cooker, belonging to the field of household appliance technology. It overcomes the shortcomings of existing three-dimensional heating rice cookers, which suffer from high costs while maintaining cooking performance. The technical solution to this problem is a rice cooker comprising a pot body, a lid, and a heating device. The lid fits onto the pot body to form a cooking cavity. The pot body includes an outer pot with a receiving cavity and an inner pot located within the receiving cavity. A first IH electromagnetic heating component is located at the bottom of the receiving cavity, and a second IH electromagnetic heating component is located on the side of the receiving cavity. The lid has an electric heating wire assembly located at the top of the cooking cavity. This application primarily aims to achieve both good cooking and heat preservation performance while optimizing costs.