15results about How to "Achieve transformation" patented technology

The application provides a campus second-hand commodity transaction credible traceability evaluation method and system, relates to the electric digital data processing technical field, and fundamentally improves the accuracy and foresight of the credibility evaluation through the closed-loop linkage control system constructed from multi-dimensional feature deep quantification to individual-group correlation comparison, and then to adaptive strategy dynamic decision-making; The beneficial effects brought about include: 1) the initial trust evaluation ability of new users without historical data is enhanced; 2) the identification accuracy of hidden fraud behaviors with "mode anomaly" characteristics using high credit identity as a cover is improved; 3) the dynamic self-adaptation of risk intervention strategy is realized, which can intelligently adjust the control strength according to the overall risk situation of the platform, and achieves a better balance between ensuring platform safety and optimizing user experience.

This utility model discloses a heat exchanger for VOCs recovery and treatment, comprising two heat exchange tubes, each with an open end and sealed connection to a distribution pipe. The upper and lower parts of the distribution pipes are respectively connected to a refrigerant outlet pipe and a refrigerant inlet pipe. The upper and lower parts of the heat exchange tubes are also respectively connected to an exhaust gas inlet pipe and an exhaust gas outlet pipe, with the exhaust gas outlet pipe of the upper heat exchange tube connected to the exhaust gas inlet pipe of the lower heat exchange tube. A heat exchange component is located in the middle of each heat exchange tube, with its inner cavity connected to the distribution pipe. The outer surface of the heat exchange component is located within the inner cavity of the heat exchange tube, for heat exchange with the exhaust gas. A condensate outlet pipe is connected to the lower part of each heat exchange tube. The refrigerant can continuously flow in this system, entering the distribution pipe from the refrigerant inlet pipe, then entering the heat exchange component, and finally flowing out through the refrigerant outlet pipe. This circulation design allows the refrigerant to fully exchange heat with the exhaust gas, improving the refrigerant utilization rate.

The invention discloses a gastrointestinal symptom identification method and a sensing system, and relates to the technical field of health informatics and medical information processing, and the method comprises the steps: collecting excitation response and abdominal sound to calculate an acoustic transfer function, and employing a main formant frequency to invert a quality loading index representing a condensation water film effect; constructing an equalization gain based on the transfer function to carry out spectral shape correction on the abdominal sound time-frequency spectrum; constructing a symptom evidence vector and performing adaptive weighted scaling on the symptom evidence vector by using a quality loading index; and finally calculating the distance between the weighted vector and the symptom mode prototype library and mapping the distance into a prompt probability. According to the method, the problems of acoustic link drift and signal distortion caused by microenvironment humidity change in long-time monitoring are solved, and the accuracy and robustness of symptom identification are improved.

The application belongs to the technical field of high polymer materials, and provides a persistent slow-release aromatic master particle and a preparation method thereof. The application obtains essence powder by mixing and aging aromatic substances and a slow-release agent; the essence powder, dry carrier resin, dry dispersing agent, plasticizer and compounded antioxidant are mixed, and low-temperature extrusion, cooling and granulation are sequentially performed to obtain the persistent slow-release aromatic master particle. The method adopts the slow-release agent to physically adsorb and anchor the liquid aromatic substances, and forms stable essence powder; during melt blending, the essence powder is wrapped by the carrier resin and fixed in the polymer network, and the release of the essence is delayed through the physical barrier effect, and the fragrance retention time is significantly prolonged. Meanwhile, the method adopts the low-temperature extrusion process to greatly reduce the heat loss and metamorphic risk of the aromatic substances in the processing process, ensures the purity of the fragrance type and the high retention rate of the effective components, and the obtained aromatic master particle has good processing adaptability, long-acting slow-release performance and safety.

The invention discloses mussel-imitating bacteria responsive injectable hydrogel as well as a preparation method and application thereof, and belongs to the technical field of biological medicines. The hydrogel is formed by compounding a mussel-imitating viscous hydrogel bracket and a bacterial response agent, the viscous hydrogel scaffold is QCS-EC (Quaternized Chitosan) and is formed by non-covalent binding of QCS (Quaternized Chitosan) and EGCG (Epigallocatechin Gallate); the bacterial response agent is a supramolecular nano cross-linked compound TEBox-B12, and is formed by self-assembly of box-shaped quaternized pyridine heterocyclic organic salt molecules TEBox and salt containing suprachaotropic liquid anions B12H12-through hydrogen bonds and electrostatic interaction. The hydrogel disclosed by the invention has NIR-II photo-thermal and photodynamic antibacterial treatment functions, and can be used for efficiently killing bacteria in deep tissues; the hydrogel also has high adhesion, good biocompatibility and injectability, is strong in convenience and applicability, can provide a good healing environment for wounds, promotes fibroblast proliferation and migration, accelerates wound tissue regeneration and healing processes, and reduces scar formation.

The utility model relates to the technical field of combined machine tools, in particular to a two-way expanding tool bit of a combined machine tool. The body flange is a main body structure of the expanding tool bit; the movable gear shaft penetrates through the body flange and is meshed with the left side helical teeth and the right side helical teeth; the left moving block is fixedly connected with the left helical tooth, and the right moving block is fixedly connected with the right helical tooth; the middle pressing plate, the right pressing plate and the left pressing plate press the left moving block and the right moving block on the body flange through bolts; the left side helical teeth and the right side helical teeth are bidirectional asymmetric helical racks, the left moving block and the right moving block are driven to move independently in two directions through axial movement of the moving gear shaft, and multi-procedure machining is completed through one-time feeding. The utility model provides the combined machine tool expanding tool bit which is compact in structure, zero in transmission clearance and capable of supporting two-way synchronous or asynchronous machining, the problems of low efficiency, poor precision, insufficient reliability and the like of traditional equipment are fundamentally solved, and technical guarantee is provided for machining of high-precision complex parts.

The embodiment of the invention discloses a recycling method of lithium iron phosphate black powder, a lithium iron phosphate positive electrode material and application, the recycling method comprises the steps of acid mixing, sintering, acid leaching, solid-liquid separation and respective treatment, comprehensive recycling of three major valuable elements of lithium, iron and phosphorus in the lithium iron phosphate black powder is achieved, lithium chloride is obtained by treating a liquid phase, and the lithium iron phosphate positive electrode material is recycled. The recovery rate is high, and the iron phosphate with high additional value is obtained by treating a solid phase instead of waste residues. Moreover, according to the recycling method disclosed by the embodiment of the invention, acid mixing and sintering under a preset condition are adopted, so that the phase of the lithium iron phosphate is converted, the occurrence state and the leaching behavior of impurity elements are regulated and controlled, and after treatment in the step, impurities such as Al, Ni, Co and Mn are selectively and efficiently reserved in a liquid phase in subsequent acid leaching, so that the quality of the lithium iron phosphate is improved. Iron and phosphorus are mainly enriched in a solid phase, so that a foundation is laid for subsequent preparation of high-purity iron phosphate.

The application discloses an off-grid type reverse control integrated energy scheduling method based on cold storage thermal inertia, defines a thermal state of charge SOT through a first-order thermal resistance and thermal capacity model, and quantifies the cold storage thermal inertia as virtual energy storage; based on a SOT and SOC cooperative criterion, redundant power is over-cooled and absorbed as cold storage when photovoltaic power is abundant, and cold is released by using thermal inertia when photovoltaic power is insufficient; the second-order change rate of photovoltaic power is used to predict cloud shadow sudden drop and reduce load in advance; and residual error analysis is used to diagnose refrigeration energy efficiency abnormalities in real time. The application breaks through the limitation of electric-thermal scheduling separation, suppresses battery impact and avoids photovoltaic power abandonment through virtual energy storage scheduling by replacing electricity with heat, and improves the service life of the energy storage system and the comprehensive energy utilization rate.

The present application relates to the technical field of cross-border e-commerce risk monitoring, and discloses a cross-border e-commerce risk monitoring system and method based on data analysis. The method comprises cross-domain analysis and construction of an initial interaction chain on original trade records. Deviation of behavior from the compliance standard is identified through feature disturbance analysis, a disturbance signal is generated and injected into a deep audit process to guide event backtracking of a specific interaction chain segment, thereby locating the source operation event that causes the risk. Event attributes are extracted and mapped to a multi-dimensional risk assessment space for cluster analysis, and a risk evolution path is reconstructed. Key time sequence inflection points on the path are extracted and matched with a compliance time sequence grid for verification. If verification fails, a dynamic monitoring instruction is triggered and a customized monitoring parameter set is generated. Finally, all information is integrated to output a risk structure diagram. The method realizes accurate positioning of the risk source and time sequence monitoring of the evolution process.

The invention belongs to the technical field of emergency command and dispatch management evaluation, and particularly discloses and provides a multi-dimensional dynamic perception integrated cooperative command and dispatch system, which comprises a traffic weight updating module for updating the real-time traffic weight of each link of a whole road network according to the real-time vehicle traffic speed and the real-time ponding depth; the ponding trend prediction module determines a ponding prediction area based on the starting point and the ending point of the scheduling task, and predicts the ponding depth change of each link in the area in a future time period through hydrological deduction; the passing time window judgment module is used for judging a time window for keeping a passable state of each link in a future time period in combination with the accumulated water depth change; and the passing plan generation module is used for generating a scheduling path and a time plan by adopting a time-dependent shortest path search algorithm. According to the invention, the problems that the scheduling instruction is disjointed from the dynamic environment and the rescue deployment is in a passive response state are solved, and the accuracy and response efficiency of emergency command are improved.

This invention discloses a reconfigurable anti-counterfeiting hologram based on femtosecond laser two-photon polymerization, belonging to the field of laser application technology. This anti-counterfeiting computer hologram utilizes femtosecond laser two-photon polymerization technology. Through laser direct writing, micropillar structures, the smallest units constituting the reconfigurable hologram, can be fabricated. As a micro / nano structure, the micropillars can effectively modulate the incident laser in an upright state, and their height can be flexibly adjusted. As deformation units, the micropillars recover and deform by adding and evaporating alcohol, switching between upright and tilted states. Under laser irradiation, the pattern is decrypted and encrypted. Therefore, the prepared holographic pattern only appears when both laser irradiation and alcohol immersion are simultaneously met, achieving variable holographic anti-counterfeiting functionality and significantly increasing the difficulty of counterfeiting. The imaging transformation principle of this invention is simple and does not rely on a complex imaging system to achieve holographic imaging transformation.

The application relates to the technical field of ecological environment intelligent management and control, and discloses an ecological environment facility adaptive intelligent operation and maintenance method and system based on edge computing, which comprises the following steps: constructing an edge intelligent node and ecological chain conduction path mapping relationship, and configuring time-space differentiation ecological management and control rules; each node collects multi-source data and performs time-space alignment and coupling association to construct a current-level ecological chain coupling data set; inference analysis is performed through a double-branch incremental adaptive inference model, and facility health degree evaluation results and environmental influence transmission coefficients are output; based on the evaluation results and the transmission coefficients, a dynamic multi-objective game optimization function is constructed by taking management and control benchmark constraints as an optimization target in combination with the management and control rules, target operation and maintenance execution strategies are generated, the node executes the strategies and generates closed-loop feedback data and incremental gradient parameters; the cloud platform performs incremental iterative optimization based on the feedback data and the gradient parameters and issues a model incremental package, and multi-level partition collaborative perception, dynamic adaptive optimization and closed-loop feedback correction are achieved.

The invention discloses a 500kV GIS room equipment-grounding grid full-link intelligent monitoring system and method, and belongs to the technical field of power system grounding state monitoring. According to the system, a link impedance reconstruction algorithm is executed through an edge computing node, total impedance is decomposed into equipment end contact impedance, link body impedance and bus end contact impedance, wavelet transform positioning based on traveling waves is started when any impedance exceeds the limit, and sub-meter accurate positioning of a fault point is achieved; monitoring data are uploaded to a cloud decision platform in real time, a grounding link digital twin model is constructed, and a comprehensive report including health degree scores, fault types, positioning coordinates and maintenance suggestions is dynamically generated in combination with industrial standards and a historical fault library. According to the invention, multi-dimensional parameters such as contact resistance, corrosion, strain, transient current, potential and the like are cooperatively acquired through the equipment end, the link body and the bus end, and the health state of the 500kV GIS grounding system is comprehensively reflected.

The invention relates to the technical field of advertisement scheduling, in particular to an intelligent advertisement player content scheduling system based on a cloud platform, and the system comprises a feature vector mapping module which is used for constructing an advertisement content feature vector; the global perception acquisition module is used for outputting audience characteristics and equipment operation environment data; the multi-factor weight calculation module is used for executing weighting operation by using the frequency attenuation factor and the environment adaptability correction coefficient to generate a real-time scheduling priority index; and the dynamic queue rearrangement module is used for executing to-be-played content queue sorting. In the invention, the task urgency item weight is corrected by using the environment illumination intensity data to eliminate the strong light interference, the frequency attenuation factor is introduced to carry out fatigue compensation on the audience feature matching degree, and the queue sorting logic is adjusted in combination with the network link quality factor, so that the transformation of the putting strategy from static carousel to environment adaptive dynamic scheduling is realized; the problems of playing lagging and audience sight escape in complex illumination and network fluctuation scenes are solved.

The application discloses a kind of civil aviation control system sub-security state hawk-dove game regulation methods, step 1) collection air traffic control system operating data;Step 2) according to the information obtained in step 1) establishes hawk-dove game model;Step 3) according to system operating data, the key variable in the above model is valued;Step 4) calculate risk disturbance and fitness take hawk strategy Nash equilibrium probability;Step 5) calculate the probability that the control system changes to different states, and provide corresponding regulation method.The civil aviation control system sub-security state regulation method provided by the application is an objective evaluation method in the field of air traffic control safety, which can quantitatively analyze the operation trend of the control system in the sub-security state, move the risk control threshold forward, avoid the occurrence of unsafe events, and realize the transformation of the control system from the sub-security state to the security state.