29results about How to "Good economic value" patented technology

The utility model is suitable for printed circuit production and processing field, provides a kind of buried inductance PCB's compression structure, including PCB body and be located on the blind slot of PCB body, the blind slot is used to accommodate inductive component device;The periphery of the blind slot is equipped with blind slot edge clamping point, and the blind slot edge clamping point is used to limit the inductive component device;The bottom of the blind slot is equipped with blind slot bottom protrusion in the middle, and the blind slot bottom protrusion is the structure of ladder, is used to support the inductive component device.The utility model improves the compression precision and reliability of buried inductance PCB by optimizing blind slot structure design, solves the problem of uneven glue filling and device deviation, has remarkable economic value and market prospect.

This invention discloses a method for determining the self-flowing cooling range of a centralized seawater heat exchanger and a corresponding vessel. It is applied to a system for determining the self-flowing cooling range of a centralized seawater heat exchanger. The system includes a controller, a power switch, a first temperature sensor, a second temperature sensor, and a seawater pump, a centralized seawater heat exchanger, and a freshwater circuit connected in sequence. The method includes: obtaining the freshwater outlet temperature limit of the centralized seawater heat exchanger; obtaining the initial value of the upper limit of the self-flowing cooling seawater temperature of the centralized seawater heat exchanger; obtaining the seawater temperature and the freshwater outlet temperature of the centralized seawater heat exchanger; and determining whether to start or stop the seawater pump. The technical solution of this invention, by measuring the seawater inlet temperature and the freshwater outlet temperature, can continuously correct the seawater temperature limit of the self-flowing cooling of the centralized seawater heat exchanger, thereby enabling timely switching between starting and stopping the seawater pump, ensuring the efficient operation of the seawater cooling system, and providing significant economic benefits to vessel operation.

This invention provides a composite biosynergist, its preparation method, and its application. The composite biosynergist is composed of polyglutamic acid, humic acid, fucoidan oligosaccharide, and plant polyphenols. The synergistic effect of the active substances polyglutamic acid γ-PGA, humic acid HA, fucoidan oligosaccharide AOS, and plant polyphenol PP in the composite biosynergist is essentially manifested in microscopic-scale functional complementarity and mechanism closed-loop. It achieves four functional pathways: blocking salt toxicity through chelate channels, ensuring nutrient supply through complexation channels, enhancing nutrient absorption through root-promoting channels, and resisting stress damage through stress-resistant channels. Ultimately, it achieves the macroscopic effect of "improved soil physicochemical properties—enhanced root function—increased crop stress resistance and yield." Its core advantage lies in overcoming the functional limitations of single components and solving the industry pain points of "difficult-to-eliminate salt damage, easy nutrient loss, and unstable improvement effect" in saline-alkali land improvement through molecular-level synergistic effects.

The invention discloses a traditional Chinese medicine composition for treating intestinal tract diseases, which is prepared from the following traditional Chinese medicines in parts by weight: 8-15 parts of selfheal, 20-40 parts of nacre mother of pearl, 5-10 parts of radix bupleuri, 3-8 parts of fried fructus aurantii, 3-8 parts of rhizoma cyperi, 6-12 parts of inula flower and 5-9 parts of pericarpium citri reticulatae. The traditional Chinese medicine composition can be used for pertinently treating liver and gall stagnated heat, stomach qi reversal type bile reflux gastritis or gastroesophageal reflux disease, has the specific treatment effects of relieving inflammation, inhibiting local tissue angiogenesis and preventing precancerous lesions and / or canceration, and has good clinical significance.

The invention discloses a geological body three-dimensional form surface complexity quantitative analysis method, and relates to the technical field of mineral exploration. The method comprises the following steps: extracting three-dimensional data on the surface of a geologic body based on existing three-dimensional modeling software; by constructing a calculation process independent of existing three-dimensional modeling software, a three-dimensional geologic modeling technology, differential geometry and Euclidean distance can be effectively combined; the complexity of the surface of the three-dimensional geologic body is evaluated through a curvature concept in differential geometry; and importing the calculation result of the complexity into the three-dimensional modeling software again so as to realize three-dimensional display of the geologic body. According to the method, geological technicians can conveniently carry out further quantitative analysis on the surface morphology complexity of the three-dimensional model, three-dimensional prospecting information is effectively extracted, a deep prospecting target area is rapidly delineated, a deep prospecting breakthrough is obtained, and obvious economic benefits are obtained.

The invention belongs to the technical field of biological medicines, and particularly relates to application of an mTOR inhibitor to improvement of sleep disorders. Aiming at the defects of the existing hypnotics, the invention finds that the sleep disorder can be improved by using the Rapamycin through researching a new sleep pathway target. The Rapamycin disclosed by the invention is a non-addictive sleeping drug, and can induce natural sleep behaviors; compared with an existing clinical hypnotics which has the side effect of greatly increasing the death rate, the Rapamycin administration disclosed by the invention is beneficial to improving the sleep quality and prolonging the life of animals at the same time. The invention discloses a remarkable effect of Rapamycin in the aspect of improving the sleep disorder, and the discovery has important significance in improving the sleep quality of a patient and preventing the progress of diseases, so that the Rapamycin has a wide medical prospect and a remarkable economic value.

The utility model belongs to the technical field of machining, and particularly relates to a drill bit edge cleaning machine for a large handle and a small blade, the drill bit edge cleaning machine comprises a workbench and an edge cleaning device arranged above the workbench, the edge cleaning device comprises a pushing mechanism and a grinding mechanism, the pushing mechanism comprises a pushing table and a stepping frame arranged above the pushing table, and the grinding mechanism is arranged above the pushing table. A feeding groove is formed in the discharging end of the stepping frame, a material pushing assembly is arranged at one end of the feeding groove and comprises a push rod, the grinding mechanism comprises a positioning assembly and a grinding assembly, the positioning assembly comprises a positioning table, the grinding assembly comprises a grinding wheel, the grinding wheel is arranged right opposite to the positioning table, and the positioning table is arranged on the positioning table. One side of the positioning table is connected with the feeding groove, the other side of the positioning table is correspondingly provided with a material jacking assembly, the material jacking assembly comprises a jacking rod, one side of the positioning table is provided with a material collecting hopper corresponding to the lower portion of the feeding groove, the structure is simple, and stepping type stable conveying of drill bits and full automation of drill bit edge cleaning are achieved.

This utility model relates to the field of T-beam precast equipment technology, and in particular to a continuous end-mold removal device for a mobile hydraulic template. It includes a side-mold removal mechanism comprising a slide table, a servo hydraulic cylinder mounted on the slide table, and a sliding block mounted on the slide table and driven by the servo hydraulic cylinder; an adjustable support platform comprising a rigid support frame supporting the T-beam template, and multiple adjustment components arranged between the support frame and the sliding block for adjusting the tilt angle of the support frame platform; an end-mold removal mechanism comprising a demolding cylinder and an end mold mounted on the support frame, wherein the end mold includes a fixed end mold and a movable end mold that slides relative to the fixed end mold and perpendicular to the sliding block direction, driven by the demolding cylinder; and a control system, which is electrically connected to the servo hydraulic cylinder and the demolding cylinder. This utility model achieves automation of casting-adjustment-mold removal, greatly improving the production efficiency of the precast beam production line.

This invention discloses an object activity sensing system, method, device, and storage medium. The system includes: an ultrasonic transmitting module for continuously transmitting ultrasonic signals; an ultrasonic receiving module for continuously receiving and processing spatially propagating sound wave signals to obtain multi-channel ultrasonic signals; an ultrasonic preprocessing module; an ultrasonic positioning module for calculating the motion trajectory of a moving object; an ultrasonic activity detection module for detecting whether there is a moving object within a specific range; and a decision module for determining whether there is an object within a given distance D1 and whether there is a moving object within a given distance D2, where D2>D1. This invention can simultaneously detect the presence of stationary objects at close range and moving objects at a distant distance. It is fast and convenient to implement, can directly use the audio hardware built into electronic devices without increasing hardware costs, and is highly efficient. It has significant application value and enormous economic value in fields such as smart homes and consumer electronics.

The utility model provides a kind of cooling device for xylene preparation, it is related to cooling device technical field, including cooling cylinder, inner cylinder and cooling pipeline, the inner cylinder is located in the cooling cylinder, and first accommodating cavity is formed between the outer wall of the inner cylinder and the inner wall of the cooling cylinder;The cooling pipeline is arranged in the first accommodating cavity, the cooling pipeline is spiral, and is around the outer wall of the inner cylinder, the spiral center line of the cooling pipeline is along the height direction of the inner cylinder, and in the height direction of the inner cylinder, the adjacent portion of the cooling pipeline is spaced apart and arranged.Between the outer wall of the inner cylinder and the cooling liquid, xylene gas can be heat exchanged by setting cooling cylinder, inner cylinder and cooling pipeline, meanwhile, xylene gas can also be heat exchanged between the outer wall of cooling pipeline and the cooling liquid, so as to increase the heat exchange area between xylene gas and the cooling liquid, so as to improve the heat exchange efficiency of xylene gas, improve the preparation efficiency of xylene.

The application provides a semiconductor test image denoising method and system based on Taylor expansion, and relates to the technical field of image processing.The method flow is as follows: an array test image of a semiconductor is acquired, and frequency domain analysis is performed on the array test image to obtain periodic characteristics and directionality characteristics of the array; a structure-aware Taylor expansion model is constructed based on the periodic characteristics and the directionality characteristics of the array; a structure-aligned sampling network is established based on the periodic characteristics and the directionality characteristics of the array, and pixel reconstruction is performed based on the structure-aware Taylor expansion model to obtain pixel reconstruction values; multi-scale image fusion is performed based on all the pixel reconstruction values to obtain a final denoised image.The application realizes effective suppression of complex noise while perfectly maintaining the periodicity and directionality structure characteristics of the semiconductor array through the structure-aware Taylor model and intelligent multi-scale fusion.

The application discloses a preparation method of high-entropy oxide with a heterojunction, and comprises the following steps: S1, weighing equal-molar metal elements of Fe2O3, Cr2O3, MnO2 and ZnO, and then weighing TiO2 and a volatile organic solvent and adding them into a ball mill jar; S2, drying the materials in an oven; and S3, calcining the materials in an oxygen-containing atmosphere, and obtaining high-entropy oxide after cooling to room temperature, wherein the heterostructure of the high-entropy oxide is composed of (FeZnCrMn)3O4 and TiO2. The lithium ion battery negative electrode (FeZnCrMn)3O4 / TiO2 obtained by the method has a unique and rich heterojunction interface of high-entropy oxide; the method is simple to operate, controllable, good in repeatability, wide in applicability and suitable for industrial production; and the battery assembled by the obtained high-entropy oxide negative electrode material (FeZnCrMn)3O4 / TiO2 with a heterojunction can maintain excellent cycle stability under an ultrahigh current density, and has remarkable economic value.

The invention discloses a dry separation system and method for ionic liquid in alkylation reaction effluent, and relates to the field of petrochemical engineering, the alkylation reaction effluent firstly passes through a solid remover to remove suspended matters and then enters a flash tank, the ionic liquid content in the reaction effluent is concentrated through low-pressure flash evaporation, and the temperature of the reaction effluent is reduced; the cooled reaction effluent enters a low-temperature fine coalescer through a delivery pump to carry out low-temperature fine coalescence separation on the ionic liquid; and introducing the separated reaction effluent into an adsorption tank for deep adsorption. After the alkylation effluent is treated by the method, the ionic liquid content can be lower than 10mg / L, the removal rate of suspended matters reaches 99%, the traditional alkali washing and water washing process can be replaced, the whole system is in dry operation, the energy consumption and the ionic liquid consumption can be greatly reduced, the equipment corrosion is avoided, and the clean production of the alkylated oil is realized.

This invention discloses an aluminum ash calcination denitrification whitening agent, its preparation method, and its application. By weight, the whitening agent comprises: 80-94 parts of grinding coating agent, 45-72 parts of hydrotalcite, 42-50 parts of perlite powder, 100-128 parts of diatomaceous earth, 58-65 parts of combustion aid, 75-90 parts of dispersant, 100-120 parts of adsorption and penetrating agent, 15-172 parts of dendritic mesoporous silica hollow spheres, 30-40 parts of aluminum wire, 280-300 parts of alumina, and 18-26 parts of silicate. At room temperature, the adsorbent and penetrant are mixed and stirred with the treated aluminum ash, and a dispersant is added and the mixture is stirred further. A grinding coating agent, hydrotalcite, perlite powder, diatomaceous earth, combustion improver, dendritic mesoporous hollow silica spheres, alumina, and silicates are added and thoroughly mixed to obtain a final mixture. The mixture is then sprayed into a burner in powder form and reacted with air. After stirring and calcination, aluminum wire is added and stirred and calcined again, followed by stirring and cooling to room temperature. This invention achieves the removal of toxic components from aluminum ash and the improvement of the whiteness of the calcined product.

The invention relates to the technical field of organic synthesis and discloses a Sr-composite molecular sieve catalyst as well as a preparation method and application thereof. The prepared ZSM-5 and SAPO-34 are subjected to composite modification, and the binder, the filler and the peptizing agent are introduced, so that the mechanical strength, the thermal stability and the forming performance of the catalyst are improved; by introducing the Sr metal salt, the too strong acidity of the molecular sieve can be reduced, side reactions caused by the too strong acidity are reduced, generation of carbon deposition can be inhibited, the catalyst can keep good stability in the long-term reaction process, and the service life of the catalyst is prolonged. The Sr-composite molecular sieve catalyst prepared by the method has the characteristics of excellent catalytic activity, high low-carbon olefin selectivity, strong stability and long service life, is highly in line with large-scale industrial production requirements, and shows remarkable economic value and wide industrial application prospects.

The invention relates to the technical field of aluminum oxide material preparation, in particular to a preparation method of aluminum oxide granulation powder, which comprises the following steps: step 1, raw material pretreatment: alpha-aluminum oxide micro powder with the purity of more than or equal to 99.9% is selected as a main material, and the average particle size of the alpha-aluminum oxide micro powder is 0.5-2 mu m; adding gamma-alumina micro-powder which accounts for 0.5-1.5% of the mass of the alpha-alumina micro-powder into the alpha-alumina micro-powder to serve as a sintering aid, wherein the average particle size of the gamma-alumina micro-powder is 50-100nm; according to the preparation method, alpha-aluminum oxide and nano gamma-aluminum oxide are reasonably proportioned, and efficient dispersion of the planetary ball mill is combined, so that the problem of agglomeration of the aluminum oxide micro powder is effectively solved; a polyvinyl alcohol and methyl cellulose compound bonding system is adopted, so that the strength and the flowability of the granulation powder are synergistically improved; after segmented roasting modification, the granulated powder is high in sphericity degree, uniform in particle size distribution, stable in apparent density and excellent in sintering activity, and can meet strict requirements in the fields of high-end electronic ceramics, precision grinding and the like.

The application relates to the field of high-voltage battery control, in particular to a high-voltage control box, a high-voltage control system, an energy storage system and the high-voltage control box comprises a control box, a control loop and a battery management system, the control box is provided with a partition plate for supporting the battery management system, the partition plate is used for layering the battery management system and the control loop, the control box is provided with an air-cooled heat dissipation module, the control box and the battery are separately arranged, and the air-cooled heat dissipation module is arranged, so that the battery management system is prevented from accumulating heat, and the safe operation of the battery management system is ensured; the high-voltage control system is connected with cluster-level batteries, so that the cluster-level batteries are modularized with the high-voltage control box, the battery / high-voltage control box is easy to replace, and maintenance is easy; and the energy storage system is externally provided with a terminal resistance module of CAN communication, so that the universality of the high-voltage control system and the energy storage system is improved.

The invention discloses a bagasse enzymatic hydrolysate detoxification process and application thereof in xanthan gum production, and relates to the technical field of bagasse enzymatic hydrolysate treatment and xanthan gum production. According to the bagasse enzymatic hydrolysate detoxification process, a quick lime detoxification method or a calcium phosphate detoxification method is adopted to treat bagasse enzymatic hydrolysate, and weak acid components, phenolic substances and furfural substances in the bagasse enzymatic hydrolysate are removed. The quick lime detoxification method comprises the following steps: adding quantitative calcium oxide solid into the bagasse enzymatic hydrolysate, continuously stirring, standing, primarily filtering to remove the solid, introducing carbon dioxide gas until the pH value of filtrate is less than or equal to 8, filtering again to remove the solid, and sterilizing the filtrate at high temperature. The detoxification process can efficiently remove inhibitors such as organic acids and / or inorganic acids, phenolic substances and furfural substances in the bagasse enzymatic hydrolysate, reduce inhibition on fermentation growth of xanthomonas campestris, significantly improve the yield of xanthan gum, provide a new application direction for the bagasse enzymatic hydrolysate, provide a new fermentation raw material for xanthan gum, and reduce the production cost. And the production cost is reduced.

This invention discloses the application of a novel *Strombus haematomarginatus* miRNA in regulating salt stress tolerance in plants. The mature sequence of the *Strombus haematomarginatus* miRNA is shown in SEQ ID NO.1, and its precursor sequence is shown in SEQ ID NO.2. This invention is the first to discover *Strombus haematomarginatus* miR240. Overexpression of the miR240 precursor sequence in plants and subsequent salt stress treatment experiments showed that the transgenic seedlings exhibited significantly improved salt stress tolerance. This research demonstrates that miR240 is a positive regulator of salt tolerance, providing a new gene resource for improving plant stress resistance through molecular means. It also provides a key gene for improving abiotic stress in plants and offers strong technical support for new *Strombus haematomarginatus* varieties or other new plant materials, possessing significant theoretical and applied value for achieving high-quality and high-yield breeding in agricultural production.

The present application relates to a kind of process technology and device for simultaneously recovering hydrogen and methane gas and other multiple gases from petrochemical emission tail gas.The volume percentage of hydrogen in the tail gas is 28-55%, the volume percentage of hydrocarbon in the tail gas is 30%-56%, the process technology uses vacuum pressure swing adsorption-pressure swing adsorption composite integrated device, comprising: (a) hydrocarbon gas-vacuum pressure swing adsorption stage: using vacuum pressure swing adsorption device, separating hydrocarbon gas product gas from the tail gas and producing intermediate gas;(b) hydrogen-pressure swing adsorption stage: using pressure swing adsorption device, separating hydrogen product gas from the intermediate gas produced in step (a).The process technology can simultaneously produce high-purity hydrogen, hydrocarbon gas and higher heat value carbon-rich fuel gas.

This invention discloses an active polysaccharide from a Ganoderma lucidum mutant strain, its preparation method, and its application, relating to the field of biomedical technology. The preparation method includes extracting the mycelium of the mutant Ganoderma lucidum strain JLAU 210928 using a water extraction and alcohol precipitation method to prepare the active polysaccharide. The mutant Ganoderma lucidum strain JLAU 210928 was deposited on September 30, 2021, at the China General Microbiological Culture Collection Center (CGMCC), located at No. 3, Courtyard 1, Beichen West Road, Chaoyang District, Beijing, with accession number CGMCC No. 23283. The active polysaccharide from the mutant Ganoderma lucidum strain provided by this invention exhibits significantly superior efficacy compared to ordinary strains in alleviating drug-induced liver injury, more effectively reducing drug-induced liver damage, enhancing the liver's self-repair ability, and providing stronger protection for liver health.

The application discloses an aluminum wheel die-casting mold temperature closed-loop regulation and control system and method, belongs to the field of aluminum alloy die-casting forming and intelligent control technology, and comprises a data acquisition module, specifically temperature sensors, flow sensors and pressure sensors arranged at key positions of a mold, a prediction module in communication connection with the data acquisition module, a CNN-LSTM composite neural network model adopted by the prediction module, an optimization decision module in communication connection with the prediction module and providing a prediction value, an integrated tree structure Pareto estimator TPE adopted by the optimization decision module, an execution control module provided with optimal decisions by the optimization decision module, the execution control module being a PLC controller, and a feedback learning module arranged for online updating of the prediction model and the optimization strategy according to control effect data. The application can effectively reduce energy consumption and manual intervention cost, and has remarkable practical value and economic value.

The invention discloses a method for reducing the precipitation temperature of a nano copper-rich phase and application of the method, and relates to the technical field of metal material precipitation strengthening. Rare earth metal elements are added into the copper-containing steel, and the precipitation temperature of a nano copper-rich phase is reduced to be not higher than 480 DEG C by regulating and controlling the copper precipitation behavior through the rare earth metal elements. According to the method, based on a 9R-Cu phase low-temperature precipitation mechanism of rare earth element micro regulation and control, the effective precipitation temperature of the 9R-Cu phase is reduced to 480 DEG C or below through the heterogeneous nucleation promotion effect of Ce atoms in the Cu precipitation process, so that it is guaranteed that a base material obtains the excellent strengthening effect, meanwhile, formation of a brittle phase on the interface of the composite material is avoided, and the service life of the composite material is prolonged. And coordination and unification of base material strengthening and interface stability are realized.

The invention discloses a protection tool applied to welding of battery module aluminum palladium and battery cell pole columns, the protection tool comprises at least one group of welding tools, each group of welding tools comprises a first welding tool and a second welding tool, the first welding tool comprises a first protection main body and a first side part fixing lug, and the first side part fixing lug is provided with a first positioning circular hole; the first side operation array comprises a first operation hole, and the first operation hole is provided with a first aluminum row placing groove; the second side operation array comprises a second operation hole, and the second operation hole is provided with a second aluminum row placing groove; the second welding tool comprises a second protection body and a second side fixing lug, and the second side fixing lug is provided with a second positioning round hole. The third side operation array comprises a third operation hole, and the third operation hole is provided with a third aluminum row placing groove. When the tool is used for welding, the welding precision is remarkably improved, the position deviation of the aluminum bar is avoided, the defect rate of insufficient welding and the like is reduced, meanwhile, the manual detection and repair cost is reduced, and the tool has remarkable economic value.

The invention relates to the technical field of digital twinning, and discloses a digital twinning modeling method for the operation state of industrial equipment, and the method comprises the following steps: S1, carrying out the collection and systematic preprocessing of multi-source heterogeneous data; s2, constructing a multi-dimensional progressive virtual twinborn body, sequentially constructing a geometric model, a physical model, a behavior model and a data driving model on the basis of a mixed modeling pattern, and forming a four-layer collaborative virtual twinborn body; s3, dynamically calibrating the model and updating the whole life cycle, adopting a filtering algorithm to calibrate the virtual twin parameters in real time, and establishing a dynamic updating system of a multi-trigger mechanism; and S4, virtual-real closed-loop interaction and multi-level verification are carried out, a bidirectional data interaction channel of physical equipment and a virtual twinborn body is constructed, the effectiveness of the model is verified through a static, dynamic, fault injection and on-site actual measurement four-level verification system, real-time mapping and autonomous decision control of the operation state are realized, and the effectiveness, reliability and extreme working condition adaptability of the model are improved.

The utility model discloses a water pipe type vacuum hot water unit which comprises a combustion chamber, a combustor is arranged on the left side of the combustion chamber, an air blower is arranged on the left side of the combustor, a vacuum chamber is arranged above the combustion chamber, a heat exchanger is arranged on the right side in the vacuum chamber, and the heat exchanger extends upwards to be connected with the vacuum chamber. A vacuum pump is arranged on the left side of the top of the vacuum chamber, a convection bank is installed in the vacuum chamber, the right end of the convection bank is connected with a water inlet distribution table and a water outlet distribution table, the right side of the water inlet distribution table is connected with a first water outlet pipe, and the first water outlet pipe is connected with a first conveying pump. The lower portion of the left side of the vacuum chamber is connected with a second water outlet pipe, the left side of the second water outlet pipe is connected with a second conveying pump, and the left side of the second conveying pump is connected with a heating medium water pool. The structure of an existing hot water unit is simplified, operation is convenient, market popularization and application are facilitated, and good economic value can be created.

The utility model provides a kind of ion exchange resin automation elution equipment, it is characterized in that, the utility model relates to a kind of ion exchange resin automation elution equipment, including control module and elution execution module.The control module is constituted by PLC controller and the on-line automatic monitoring instrument connected with its signal;The elution execution module includes eluent barrel, automatic dosing device, agitator, eluent transfer pump and elution process running pump.The utility model is through the closed-loop linkage control of on-line monitoring instrument and automatic dosing system, realizes the real-time feedback regulation of eluent key performance parameter, to build the dynamic balance system of eluent consumption and target ion enrichment efficiency.

This invention discloses a bearing fault diagnosis method, a hybrid machine, and a monitoring method. The bearing fault diagnosis method includes the following steps: constructing a signal generator based on a rolling bearing fault dynamics model to generate synthetic vibration signals labeled with fault type and severity; constructing a bearing fault diagnosis model with label preservation constraints, adapting the statistical characteristics of the synthetic vibration signals to the target field domain, while ensuring that the fault semantic labels of the synthetic vibration signals are fully preserved during the conversion process, achieving style transfer of unpaired synthetic vibration signals; mixing the style-transferred high-fidelity synthetic data with the field-labeled data to train the bearing fault diagnosis model, and employing a hierarchical progressive fine-tuning strategy to achieve domain adaptation, obtaining a well-trained bearing fault diagnosis model, and finally realizing bearing fault diagnosis. This invention has been successfully applied in industrial fields, yielding significant economic benefits and providing a complete solution for the intelligent operation and maintenance of large and complex rotating machinery.

The invention belongs to the technical field of safety management and state estimation of lithium ion batteries, and discloses a method for predicting thermal runaway risk based on side reaction current of a lithium battery. The method comprises the following steps: collecting the charging capacity, the discharging capacity, the charging duration and the discharging duration of the battery in the nth charging and discharging cycle process, and calculating irreversible oxidation reaction current and irreversible reduction reaction current; the change trend of the irreversible oxidation reaction current and the irreversible reduction reaction current in continuous multiple cycles is analyzed, if the irreversible oxidation reaction current and the irreversible reduction reaction current in continuous 5-6 cycles both present a continuous rising trend, it is judged that the battery presents a thermal runaway risk feature, and a thermal runaway early warning mechanism is triggered. According to the method, an extra complex sensing device is not needed, the data is extracted from the conventional operation data of the battery for calculation, the cost of a battery safety system can be greatly reduced, and the method has important practical value for popularization and application of the lithium ion battery in the fields of energy storage, new energy electric vehicles and the like.