18results about How to "Achieve performance" patented technology

The utility model discloses a kind of high-flux automatic sample introduction plasma mass spectrometer, the device includes the precision ceramic substrate with V-shaped locating slot, corrosion-resistant slider with permanent magnet array and electromagnet being sealed inside, stator coil assembly fixed to the outside of substrate and controller, stator coil assembly non-contact drive slider high-speed movement, when slider reaches target position vicinity, controller disconnects drive current and connects electromagnet, make the locating pin of slider bottom and the V-shaped locating slot on substrate forced engagement locking.The utility model separates high-speed drive and mechanical locking completely, uses high-rigidity, corrosion-resistant mechanical structure as final precision anchor point, fundamentally solves the positioning overshoot and vibration problem under high speed, and has excellent chemical corrosion resistance, significantly improves the operation efficiency, positioning accuracy and long-term reliability of device.

The present application relates to the technical field of industrial vision detection, and discloses a green color printing surface defect detection method based on computer vision. The method comprises the following steps: collecting real-time image flow and performing multi-scale decomposition to generate a feature vector sequence; constructing a dynamic defect template set by using a generative adversarial network; encoding features by using a convolutional neural network, calculating a similarity matrix with the template set, and generating a defect matching index; adjusting the detection threshold value adaptively according to the defect matching index, and obtaining a defect probability distribution map through clustering analysis; identifying a defect aggregation area through space-time domain analysis, and starting a local re-inspection mechanism; updating a defect feature prototype library and optimizing network weights by using re-inspection data, and forming a self-learning closed loop; and finally performing full-process quality consistency inspection and outputting a report. The present application realizes dynamic adaptation and continuous optimization of the detection process.

This invention relates to the field of shape memory material preparation technology, specifically to a bio-based shape memory Eucommia ulmoides gum composite material and its preparation method. All components of the composite material are of entirely bio-based origin, using natural Eucommia ulmoides gum as the matrix. Nano-hybrid seed crystals composed of cellulose nanocrystals and carbon quantum dots are introduced. The cellulose nanocrystals act as nucleating agents, guiding and accelerating the cooling crystallization of the Eucommia ulmoides gum, while the carbon quantum dots form the shell, improving heat transfer efficiency. In the preparation process, this application uses triacylglycerol lipase as a biocatalyst, which can initiate an in-situ esterification reaction between the filler and the matrix at a low temperature of 65-75℃. This not only reduces energy consumption but also avoids the thermal degradation and damage to the Eucommia ulmoides gum macromolecular chains caused by high-temperature strong shear, achieving high performance and batch-to-batch stability of the material.

This invention relates to the field of photovoltaic power plant operation and maintenance, specifically to an intelligent operation and maintenance scheduling method and system for distributed photovoltaic power plants. An intelligent operation and maintenance scheduling system for distributed photovoltaic power plants includes: a task generation module, a task aggregation module, and a dynamic scheduling and execution module. This invention overcomes the technical challenges of inaccurate fault location and difficulty in monitoring latent degradation in distributed photovoltaic power plants by establishing a collaborative diagnostic mechanism that integrates string-level IV curve analysis and UAV image recognition. This method accurately correlates and cross-validates electrical characteristics and visual features in the spatiotemporal dimension, enabling precise identification of the smallest fault unit and clear distinction of fault types. Simultaneously, it effectively isolates environmental noise, achieving early warning of slow component performance degradation, thereby upgrading the operation and maintenance mode from overall extensive monitoring to component-level refined management.

The invention discloses a preparation method of a traditional Chinese medicine composition for treating skin tinea, allergic dermatitis and acne, and relates to the field of pharmaceutical preparations, the extraction rate of gallic acid and ethyl gallate contained in total tannin in fructus chebulae flesh, fructus terminaliae billericae flesh and fructus chebulae immaturus is improved through an enzymolysis method, and the transfer rate of effective components of quercetin is improved through a boiling granulation technology; therefore, the effect of treating psoriasis of the composition is improved. By adopting a boiling granulation technology, the technical problems of long preparation period and high cost in the prior art are solved. The release speed of aloe in intestinal tracts is controlled by adopting a slow release technology, and the upper and lower limit content range of barbaloin is controlled to reduce the occurrence rate of adverse reactions of the composition. Meanwhile, butyl hydroxy anisd (BHA), butylated hydroxytoluene (BHT) and a citric acid system are adopted, so that the problems of PEO skeleton degradation, out-of-control drug release behavior and insufficient main drug stability of the barbaloin-PEO sustained release preparation are solved.

The present application relates to a low-cost iron-nickel-based heat-resistant alloy and a high-speed rolling method thereof, and belongs to the technical field of special alloy manufacturing. The present application solves the technical problems of cracking, short tool life, high energy consumption and low efficiency in subsequent solid solution treatment caused by uneven material temperature rise and cooling during high-speed rolling of the existing heat-resistant alloy. In the method of the present application, the heated heat-resistant alloy rolling stock is sequentially passed through the rough rolling, intermediate rolling and finishing rolling units. At least two cooling devices are arranged at the key positions in the later stage of the finishing rolling unit. The polyacrylamide aqueous solution containing specific particle size and proportion of aluminum oxide powder is used for intermittent jet cooling of the wire. The finished wire is directly put into the solid solution furnace for online solid solution treatment and water cooling. The present application realizes the integrated production of heat-resistant alloy wire from rolling to heat treatment with high efficiency, high quality and low energy consumption. The prepared wire has uniform structure and excellent performance, and is especially suitable for manufacturing engine valves.

The invention provides a body-side all-in-one machine chip module design system based on multi-scale feature embedding fusion, which belongs to the technical field of chip design and comprises a chip data acquisition module for acquiring electronic component information of a chip and determining proper electronic components and circuit topological structures according to requirements so as to realize specific functions required by the chip; determining two or more indexes of the chip as optimization targets; creating and updating an optimal file; establishing an optimal individual file, and updating an optimal individual in the current file based on a multi-model random sorting and Pareto domination mode; in each ball game, a chip is configured to perform big data analysis, so that the sports game score processing efficiency and precision can be effectively improved, the problems of low efficiency and high cost of a multi-chip integrated layout design in the prior art can be improved, and the method has the advantages of scheme optimization reliability, efficiency and cost consideration.

This utility model relates to the field of self-unloading coal slag, and discloses a self-unloading coal slag box, including a frame, a hopper mounted on the frame, a discharge port at the bottom of the hopper, a discharge plate slidably mounted at the discharge port at the bottom of the hopper, a pneumatic device mounted on the frame at the discharge port, the pneumatic device being connected to the discharge plate and used to drive the discharge plate to open and close at the discharge port, and a dust removal device being mounted at the sliding connection between the discharge port and the discharge plate, the dust removal device being used to discharge the coal slag at the discharge port, and the discharge plate and the dust removal device being linked. The pneumatic device is connected to the discharge plate, and the discharge plate can be directly controlled by the pneumatic device, thereby controlling the opening and closing of the discharge port. When the coal slag box is unloading or after unloading and the device structure is restored, the coal slag embedded in the gaps or grooves is automatically removed, avoiding the jamming problem caused by the accumulation of coal slag. This design significantly improves equipment reliability, reduces the frequency of manual cleaning, avoids equipment failure, simplifies the operation process through the linkage design, and improves efficiency.

This invention belongs to the field of reversible proton ceramic battery technology, and relates to an oxygen electrode material for a three-phase heterointerface reversible proton ceramic battery. The three-phase heterointerface reversible proton ceramic battery oxygen electrode material is a three-phase composite containing A-site defects in double perovskite Pr. 1‑α BaCo2O 5+δ1 (PBC) phase, single perovskite BaPrO 3‑δ2 The invention comprises a (BPO) phase and in-situ desoluble praseodymium oxide nanoparticles; with the total mass percentage of PBC phase, BPO phase, and praseodymium oxide nanoparticles being 100%, the PBC phase accounts for 50-65 wt%, the BPO phase accounts for 33-45 wt%, and the praseodymium oxide nanoparticles account for 1-5 wt%. The three-phase heterogeneous interface oxygen electrode material constructed in situ in this invention exhibits tight coupling and synergistic effects among the three phases, resulting in both a low coefficient of thermal expansion and high catalytic activity. This oxygen electrode material demonstrates excellent electrochemical performance in reversible proton ceramic batteries, whether in fuel cell mode or electrolyzer mode.

The invention relates to the technical field of memory control, and discloses a dynamic reading method of a storage device and the storage device.The method comprises the steps that a reading instruction from a host system is received; obtaining an access address continuous value of the reading instruction; judging whether an access scene of the reading instruction is a continuous reading scene or a random reading scene according to the access address continuous value; when the access scene is a continuous reading scene, preliminarily setting a page reading access mode for access; counting a hit statistical value of the page reading access mode in an access process; and when the hit statistical value reaches a first preset statistical value, switching the page reading access mode into a cache reading access mode for access. Unnecessary cache occupation and rear-end flash memory access pressure are reduced, and balanced optimization of performance and efficiency is realized.

The application relates to the field of anti-abrasion materials, in particular to nylon powder for anti-abrasion of a transmission shaft and a preparation method thereof. The nylon powder for anti-abrasion of the transmission shaft comprises, in mass parts, at least the following raw materials: nylon base material 85-95 parts, composite functional agent 5-12 parts, wear-resistant reinforcing agent 1-3 parts, antioxidant 0.3-1.0 parts, coupling agent 0.3-1.0 parts and nucleating agent 0.3-0.5 parts. The finally prepared nylon powder product can simultaneously maintain good comprehensive performances such as wear resistance, mechanics, temperature resistance, size stability, water resistance and corrosion resistance, can meet the anti-abrasion performance requirements of the existing transmission shaft, can greatly improve the reliability of the transmission shaft and prolong the use quality and service life, and provides a new solution for solving the problems.

This invention discloses a piezoelectric MEMS device, its fabrication method, and its applications, belonging to the field of microelectromechanical systems (MEMS) technology. The fabrication method includes: preparing an SOI wafer; performing PSG spin-coating annealing and / or metallization modification on the device layer surface to form a conductive seed layer; depositing a piezoelectric layer; simultaneously etching the insulating layer, modified device layer, and piezoelectric layer using a specific mixed gas or pulse modulation process; forming a metal electrode layer and a bonding metal layer; and bonding and integrating with a TSV structure. This invention replaces traditional metal electrodes with metallization modification, avoiding electrode fatigue and aging, and improving device reliability; the use of single-mask synchronous etching and vapor phase release technology eliminates overlay and bonding errors, reducing process complexity and cost, making it suitable for high-performance sensors, ultrasonic detection, audio, and smart hardware.

The present invention provides a BHET purification method, which comprises: mixing a BHET-containing mixture with a solvent to obtain a BHET solution to be purified, and carrying out filtration treatment to obtain a filtrate; the filtrate passes through a resin bed layer at the flow speed of 2-10 BV / h for purification treatment, and BHET purified liquid is obtained; the resin bed layer comprises H-type gel cation exchange resin, OH-type gel anion exchange resin and a solvent, at least part of the surface of the H-type gel cation exchange resin contains sulfonic acid groups and H < + >, and at least part of the surface of the OH-type gel anion exchange resin contains quaternary ammonium groups and OH <->; the volume ratio of the H-type gel cation exchange resin to the OH-type gel anion exchange resin is 1: (1-5). The method can be used for removing metal ion impurities and inorganic impurities.

The utility model discloses a separating material control mechanism for a disordered material arranging and packaging machine, which belongs to the technical field of material arranging and separating and comprises a base, four supporting rods are fixedly mounted at the top of the base, and three vibration material arranging mechanisms are sequentially mounted at the tops of the four supporting rods from bottom to top. A storage box is installed on the vibration material arranging mechanism located at the top, a material guiding pipe is installed at the bottom of the storage box, a fan-shaped notch is formed in the top of the base, a fan-shaped collecting box is arranged in the fan-shaped notch, three supporting rods are arranged on the side of the base, and material guiding grooves are formed in the tops of the three supporting rods. The three material guide grooves are matched with the three vibration material arranging mechanisms. Through multi-stage spiral vibration and self-recovery coupling, combination of high-precision continuous screening, magnetic suction sealing and intelligent monitoring is achieved, the bottleneck of a rapid maintenance technology is broken through, a vibration transmission path is optimized, balance of high efficiency and long service life is achieved, and modular extensible design is achieved.

This disclosure provides a filtered air outlet device and an air handling unit. Multiple temperature sensors are distributed on the filter of the filtered air outlet device, enabling real-time capture of the outlet air temperature in different areas, forming multi-point temperature monitoring. The air guide assembly is divided into multiple sub-air guide zones, each equipped with an independent air guide vane group and a corresponding temperature sensor. The control device can adjust the air guide direction of the corresponding air guide vane group based on the real-time temperature differences in each sub-air guide zone. Through dynamic regulation of local airflow, the outlet air temperature in different areas is balanced, effectively eliminating local temperature differences and improving overall airflow uniformity. Uniform outlet air temperature avoids local overheating or undercooling, improving the user comfort of the air handling unit equipped with this filtered air outlet device. This disclosure fundamentally solves the problem of uneven outlet air temperature in traditional units, providing a reliable guarantee for the efficient and stable operation of air handling units.

The invention provides an incremental training method and system based on a pre-training large model, and relates to the technical field of artificial intelligence, and the method comprises the steps: analyzing an association relationship between newly-added business data and historical business data, and converting the newly-added business data and the historical business data into a data feature set; constructing an initial structure based on the data feature set, and determining a reference feature space in the initial structure; dividing the reference feature space according to the data distribution feature and the correlation degree of each data feature to obtain a plurality of feature clusters based on a neighbor relationship; mapping each data feature to a corresponding feature cluster, and calculating an adjustment coefficient according to density estimation and feature association strength of each feature cluster; and identifying association nodes and difference nodes in the association relationship in combination with the adjustment coefficient to obtain a topological network of the knowledge conflict relationship. According to the invention, robust iteration and performance balance of a large model in a dynamic service scene are realized.

The utility model provides a wind power blade web plate which comprises a web plate body formed by at least two prefabricated pultrusion glass fiber plates spliced in the length direction of the web plate body. The composite splicing part is arranged between two adjacent pultruded glass fiber boards so as to connect the two adjacent pultruded glass fiber boards, and the splicing part comprises a plurality of pins which are perpendicular to the board surfaces of the pultruded glass fiber boards and penetrate through the two adjacent pultruded glass fiber boards at the same time; and the fiber fabric wrapping layer covers the outer surface of the splicing part and is in bridge connection with the two adjacent pultruded glass fiber plates. By designing a composite splicing part comprising a pin and an external fiber wrapping layer, webs formed by prefabricated plates of different specifications are connected in a high-strength manner.

The application discloses a broadband dual-arm spiral circularly polarized antenna integrated with photovoltaic cell pieces, which comprises a working frequency band of 3.57-8.92 GHz, a dielectric plate, a radiation main body arranged on the dielectric plate and a feed line; the radiation main body is composed of two strings of photovoltaic cell strings; the feed line feeds the radiation main body in a port excitation mode; the two strings of photovoltaic cell strings are arranged in a dual-arm spiral shape, and a feed point of the feed line is located at a center position of the radiation main body. The broadband dual-arm spiral circularly polarized antenna integrated with photovoltaic cell pieces can cover the frequency band of 3.57-8.92 GHz through the introduction of a parallel double-line feed structure, so that the performance of a wideband antenna is realized; and the 3dB axial ratio bandwidth of the antenna can cover 4.22-8.98 GHz through the adjustment of the radiation main body.