445results about How to "Short time" patented technology

The invention discloses a method for preparing a C / C-SiC composite material through multi-stage recovery of carbon / carbon composite material processing waste, and belongs to the technical field of C / C composite material preparation. The method comprises the following steps: carrying out multi-stage screening treatment on the carbon / carbon composite material processing waste, and screening and separating short carbon fibers and pyrolytic carbon powder; mixing the screened short carbon fibers and pyrolytic carbon powder with phenolic resin, industrial silicon powder and SiC powder, and preparing a fiber reinforced resin block in a mold pressing manner; and carrying out one-step continuous carbonization and ceramic heat treatment on the fiber reinforced resin block to finally obtain the C / C-SiC composite material. According to the method, high-added-value recycling of the C / C processing waste is achieved, the process is simple, the cost is low, operation is convenient and fast, the problems of resource waste and environmental pollution caused by existing waste treatment are solved, and the prepared C / C-SiC composite material is excellent in performance and can be widely applied to the fields of aerospace, high-end manufacturing and the like.

The utility model provides a reversing conveying system which comprises a first mover module, a second mover module and a third mover module, the first mover module comprises a first mover body, a first permanent magnet array and a first sensing element, and the first permanent magnet array and the first sensing element are both arranged on the first mover body; the first connection module comprises a first driving part, a second driving part, a first connection stator and a second connection stator, the second driving part is fixedly connected with the driving end of the first driving part, the first connection stator is fixedly connected with the driving end of the first driving part, and the first driving part drives the first connection stator and the second driving part to move linearly; the second driving piece is connected with the second connection stator, and the second driving piece drives the second connection stator to rotate; the second connection stator comprises a second stator body, a second coil and a second detection element. According to the technical scheme, the problem that in the related technology, when workpieces are transferred between different conveying lines, the conveying efficiency is low is effectively solved.

The application discloses an electromagnetic multilayer fast multipole hierarchical GPU parallel acceleration implementation method, relates to the field of computational electromagnetics, and comprises the following steps: acquiring parameters of incident electromagnetic waves and a grid file of a target to be measured; adopting a multilayer fast multipole algorithm to construct an octree corresponding to the grid file and to construct a process tree; performing hierarchical division on the octree based on a ternary parallel strategy to obtain a plurality of parallel layers corresponding to the octree; adopting a mapping allocation method to allocate the operation load of each parallel layer to all operation processes of the process tree; according to the operation load corresponding to the operation process and the number of GPUs in the operation process, distributing the operation load corresponding to the operation process to each GPU in the operation process; and splicing the operation results of all GPUs and solving the radar scattering cross section of the target to be measured according to the splicing result. The application can effectively reduce the communication and synchronization overhead of the multilayer fast multipole algorithm, improve the multi-card load balancing and the overall computing efficiency.

The invention relates to the technical field of feed production, in particular to an intelligent quality detection machine for feed production, which comprises a mounting frame and a housing, a housing is fixedly connected to the mounting frame; a rectangular groove I is formed in the mounting frame; a second rectangular groove is formed in the housing, and the first rectangular groove coincides with the second rectangular groove. The device further comprises a power assembly, a U-shaped frame, a roller, a sealing plate and the like. A power assembly is connected in the housing; the power assembly is connected with a U-shaped frame; a roller is rotationally connected to the U-shaped frame; a sealing plate is rotationally connected to the roller through a rotating shaft. According to the intelligent quality detection machine for feed production obtained through the design, the feed rolls inside through rotation and swing of the roller, so that the hardness, brittleness and water content of the feed are detected, time consumption is low, efficiency is high, production line parameters are convenient to adjust in time, a large amount of unqualified feed is prevented from being produced on a production line, and resource waste is reduced.

The application relates to a processor, component, device and method for filter processing of an IIR filter. The processor comprises a first configuration register, a second configuration register, a general register and a matrix multiplication accumulation unit. The general register sequentially reads and stores each row of coefficients of a coefficient matrix of each order of the IIR filter. The matrix multiplication accumulation unit obtains the same input element corresponding to the stored current row of coefficients when the first configuration register is configured in a broadcast mode, copies the stored current row of coefficients when the first configuration register is configured in a copy mode, multiplies the current row of coefficients with the corresponding input element in parallel to obtain corresponding products, and sequentially accumulates the product results of each row of coefficients to obtain a final output value, so that at least four output variables of sequential sampling moments are obtained each time. In this way, the time consumption of IIR filter operation can be significantly shortened, and sufficient acceleration effect is provided.

Embodiments of the present application relate to the technical field of human-computer interaction, and disclose a method and device for determining an interactive gesture and an electronic device. The method comprises the following steps: first, target component detection is performed; then, gesture detection and recognition are performed in a local area (around a boundary box) near the target component. In addition, for N gesture detection boxes (multiple users) in a current video frame, M target gesture detection boxes are selected therefrom to perform hand component positioning and gesture recognition processing, which can reduce detection time consumption and improve real-time performance. On this basis, the interactive gesture is determined according to the gesture detection result of the current video frame and the gesture detection results of a plurality of historical video frames, that is, gesture recognition is selectively performed on the user in each frame in a plurality of continuous video frames to determine the interactive gesture, which can reduce the computing power, reduce the time consumption, improve the real-time performance, and improve the accuracy and stability of the interactive gesture. That is, in the multi-user human-computer interaction scene, the interactive gesture can be accurately and timely determined.

This invention discloses a method for multi-source data fusion and power prediction of wind turbine units, belonging to the field of power prediction technology. It addresses the technical problems of poor multi-source data fusion and power prediction analysis in existing solutions. By filtering and retaining key features through mutual information, redundant information can be effectively reduced. Dynamic weighting via an attention mechanism makes the fused features more adaptable to real-time operating conditions. Differential weight adjustments for wind speed, terrain, and equipment status ensure high relevance of the fused features even in complex scenarios. Spatial feature extraction captures local spatial correlations, temporal features capture temporal dependencies, and random forests handle nonlinear mappings, solving the problem of insufficient generalization ability of single models. The attention mechanism automatically assigns weights to different time steps and features, avoiding complex mathematical processes such as matrix operations and noise covariance estimation.

The invention discloses an automatic regulation and control side coaming device of a multi-point mold, and relates to the technical field of molds, the automatic regulation and control side coaming device of the multi-point mold comprises a lower mold bottom plate used for bearing a multi-point mold body, the upper end of the lower mold bottom plate is fixedly connected with two fixed outer coamings which are oppositely arranged, and two fixed inner coamings are fixedly arranged between the two fixed outer coamings; the upper end of the lower die bottom plate is further connected with four movable surrounding plate assemblies, and each movable surrounding plate assembly comprises a movable surrounding plate, a base and an electric cylinder push rod. The fixed outer coaming, the fixed inner coaming and the movable coaming assembly abut against the outer side of the multi-point mold body, so that the bending resistance of the multi-point mold body can be enhanced, the usable range of the mold is widened, the forming precision of the mold is improved, and the service life of the mold is prolonged.

The present application belongs to the field of advanced coating and preparation, and particularly relates to a high-transparent and scratch-resistant multifunctional antistatic coating and a preparation method thereof. The present application provides a high-transparent and scratch-resistant antistatic coating, raw materials of the antistatic coating comprising fluorion-containing silsesquioxane monomer, functional monomer and catalyst; wherein the functional monomer is a crosslinking agent or an anti-crystallization agent. The coating obtained by the present application has a light transmittance of >98% (550 nm); a surface pencil hardness of greater than 9H, no scratches after more than 1000 times of steel wool rubbing; a surface resistivity of about 10 8 ~10 9 Ω / sq, and a fast electrostatic discharge rate.

This invention relates to a constrained automated optimization method for semiconductor measurement, comprising: step 3) optimizing auxiliary parameters using a training set; step 4) selecting one or more second candidate parameter combinations to form a candidate parameter combination pool, and saving the regression coefficient set corresponding to each second candidate parameter combination; step 5) using the auxiliary parameters in the optimal second candidate parameter combination as independent variables, using the corresponding regression coefficient set as the initial coefficients of the equation, and the key parameters as dependent variables to establish a second multiple linear regression equation; performing the first-stage optimization and the second-stage optimization to select the optimal predicted values ​​and optimal regression coefficients of the key parameters; and step 6) using a test set to perform the first-stage optimization and the second-stage optimization to verify the optimal candidate parameter combination and its corresponding optimal regression coefficients. The two-stage optimization strategy fundamentally solves industry pain points such as difficulty in convergence, difficulty in reproducibility, strong subjectivity, and long processing time.

The utility model discloses a high -order curtain wall discoloration glass intelligence optical performance detection device, include: bottom plate, the top fixed connection of bottom plate has the limit slot piece, the top fixed connection of limit slot piece has the detection body through bolt, wheel replacement subassembly, the bottom rotation connection of wheel replacement subassembly with the top of bottom plate, wheel replacement subassembly is used for the user in the device is carried out rotation replacement, loading debugging component, the surface fixed connection of loading debugging component one side with wheel replacement subassembly, the utility model relates to glass detection technical field. This high -order curtain wall discoloration glass intelligence optical performance detection device, utilize the setting of loading debugging component, and the staff can be in the detection process, in the outside, the large high -order curtain wall discoloration glass is inserted into the plug -in block in swing frame, avoids the installation of glass in the detection equipment and spends a lot of time, before detection, only need to insert the plug -in block of external frame bottom into the installation slot piece.

The application provides a Gaussian ball clustering method for three-dimensional reconstruction of a highway traffic accident site, comprising the following steps: S1, collecting multi-view images of the accident site, solving camera parameters and initializing a three-dimensional Gaussian ball scene; S2, constructing a rendering training loop based on the initialized three-dimensional Gaussian ball scene, and adaptively adjusting the Gaussian ball density through cloning or splitting operations; S3, extracting the spatial and color features of the three-dimensional Gaussian ball, and constructing a multi-modal physical feature set; S4, calculating an adaptive discrete step length based on the multi-modal physical feature set, and mapping the continuous features into discrete coordinates; S5, generating a multi-modal hash index based on the discrete coordinates, and realizing continuous rearrangement of the same type of Gaussian ball in the display memory through GPU parallel sorting; S6, performing physical conservation formula parameter aggregation on the same type of Gaussian ball continuously stored in the display memory, releasing redundant display memory and simplifying the three-dimensional Gaussian ball set; and S7, completing all training iterations, and exporting the final simplified three-dimensional Gaussian ball set into a general PLY format file.

The application belongs to the technical field of comprehensive utilization of waste lithium-ion power battery, and discloses a deep eutectic lithium supplement and a method for repairing and regenerating positive electrode material of waste lithium-ion battery, wherein the deep eutectic lithium supplement is prepared by taking a solid-state reducing organic acid as a hydrogen bond donor and a solid-state lithium source as a hydrogen bond acceptor, mixing the hydrogen bond donor and the hydrogen bond acceptor, and reacting to obtain a deep eutectic melting state system; and the deep eutectic lithium supplement can be used for repairing and regenerating the positive electrode material of the waste lithium-ion battery. The application can prepare a liquid-state deep eutectic lithium supplement by using a solid-state reducing acid and a solid-state lithium source, is green and friendly, can realize self-limiting lithium supplement without strict control of the lithium supplement amount, has low energy consumption in the lithium supplement process, can greatly reduce the cost, and can be used for repairing and regenerating the positive electrode material of the waste lithium-ion battery.

The invention relates to a code scanning method and device, electronic equipment, a storage medium and a computer program product. The code scanning method comprises the following steps: in response to starting of a code scanning function of the electronic equipment, acquiring an acquired image based on an image acquisition module of the electronic equipment; entering an application page of a target application corresponding to bar code information under the condition that the bar code information is recognized based on the acquired image; and displaying an identification result of the bar code information on an application page of the target application. According to the embodiment of the invention, the identification result can be displayed by directly entering the application interface of the target application under the condition that the bar code information of the collected image is identified, so that the step of active code scanning is omitted, and the code scanning experience of a user is improved.

This invention relates to a method for characterizing the distribution of primordial water in rocks and its application. The method includes: preparing particles from fresh rock cores as fresh samples and particles from dried rock cores as dried samples; calculating the scattering length density of the rock to be tested based on the dried sample, and preparing a deuterated toluene contrast-matching fluid with the same scattering length density as the rock to be tested; immersing the fresh sample and the dried sample in the deuterated toluene contrast-matching fluid respectively to obtain immersion samples; performing small-angle neutron scattering (SANS) experiments on the dried sample and the immersion samples respectively; obtaining pore structure information before and after immersion based on the experimental results; and determining the distribution of primordial water in the rock to be tested based on the pore structure information. This invention, based on SANS experiments, provides a novel experimental technique for characterizing the distribution and water saturation of primordial water in sedimentary rocks, with advantages such as being non-destructive, efficient, time-saving, and highly accurate.

The application discloses a manufacturing method of a spiral baffle plate, which adopts a casting process to integrally form a spiral baffle plate unit, and then splices the integrally formed spiral baffle plate unit to form a large-diameter thin-wall spiral baffle plate which is radially continuous; and heat exchange pipe holes on a plate body of the spiral baffle plate unit are integrally formed in the casting process, and the plate body of the spiral baffle plate does not need to be further opened to form the heat exchange pipe holes. Compared with the production and processing method of the existing spiral baffle plate, the method simplifies the process steps, greatly improves the production efficiency of the spiral baffle plate, and is particularly suitable for manufacturing a spiral heat exchange plate with a small central hole or even without a central hole, and has small operation difficulty, short time consumption and high qualified rate.

The application provides a construction system and device of a non-human animal model of tension pneumothorax, and the system comprises: a fixing unit for fixing the non-human animal; a first processing unit for puncturing a puncture needle to the parietal pleura, making a guide wire pass through the needle cavity of the puncture needle to enter the pleural cavity, and withdrawing the puncture needle; a second processing unit for inserting a catheter along the guide wire to make the catheter enter the pleural cavity, pulling out the guide wire, and fixing the catheter; a third processing unit for unidirectional air injection into the pleural cavity through the catheter; and a fourth processing unit for monitoring the range of pneumothorax, determining that the non-human animal model of tension pneumothorax is obtained when the lung sliding of the injection side chest is greater than or equal to 4 / 6 area and lung points are observed, stopping air injection, and obtaining the non-human animal model of tension pneumothorax. The construction success rate of the application is 100%, the construction process is rapid, repeatable and objective in determination, and the application can provide a rapid and repeatable platform for diagnostic research, decompression technology evaluation and training.

This utility model relates to the technical field of biscuit processing equipment, specifically a hard-limit positioning pin mechanism. It includes a frame, a drive shaft located at the center of the top surface of the frame, a turntable mounted on the top of the drive shaft, and positioning components mounted on the outer circumference of the drive shaft. Multiple positioning seats are mounted on the top surface of the frame, circumferentially along the drive shaft. Rotation of the drive shaft causes the positioning components to engage with positioning seats at different positions. In this hard-limit positioning pin mechanism, the engagement of the positioning components and positioning seats forms a hard-limit structure. The arc-shaped design of the positioning head and positioning groove, combined with the preload of a spring, allows for precise engagement when the drive shaft drives the turntable to a preset position. This mechanism directly constrains the positional deviation of the turntable through mechanical hard limiting, effectively solving the problem of cumulative errors caused by speed fluctuations and component wear. It avoids misalignment between the forming cavity and the processing components, fundamentally eliminating uneven distribution of compressed biscuit raw materials and deformation of the shape.

The present application relates to the technical field of steel plastic composite pipe processing, more particularly to an auxiliary device for connecting steel plastic composite pipes, comprising a base, a plurality of groups of pipe pushing assemblies, fixed length assemblies, cutting assemblies, chamfering assemblies and connecting and fixing assemblies arranged in sequence on the base; the cutting, deburring and assembly with connecting heads of the pipe are all automatically completed by the device, the operation continuity is high, the process control and stability are high, the efficiency and quality of pipe connection are improved, the time consumption of the connection process is reduced, the efficiency during batch processing is improved, the pipe with different diameters and wall thicknesses can be automatically chamfered, and the technical problems of low operation continuity and efficiency and poor stability of manual operation for pipes with different diameters in the prior art are effectively solved.

This invention relates to the field of circuit board manufacturing technology, specifically to a production capacity improvement device for liquid crystal display circuit boards, comprising a disc placement unit, a clamping mechanism, and a drilling mechanism. In this invention, the clamping bars and the mating top plate cooperate with each other. After the circuit board is lowered, the four corresponding clamping mechanisms work together to quickly clamp the circuit board, ensuring stability during processing while minimizing the time spent clamping the circuit board. Simultaneously, the release mechanism allows the drilled circuit board to move quickly upwards for easy removal, further reducing the time spent clamping the circuit board and thus improving the production capacity. The adjustment mechanism moves the lower left corner of the circuit board to a designated position, facilitating subsequent drilling operations based on this position, thereby reducing the time spent adjusting the circuit board's position and further improving production capacity. It can also accommodate circuit boards of different sizes.

This invention discloses a refrigerator and its control method and refrigeration system. The refrigerator includes at least a low-oxygen preservation system and a sterilization system. The control method includes: when the refrigerator door is closed, detecting whether the refrigerator has activated an oxygen reduction mode; if so, activating the sterilization mode for a first preset time when the time interval since the last activation of the sterilization mode reaches a first threshold time; if not, activating the sterilization system for a second preset time when the time interval since the last activation of the sterilization mode reaches a second threshold time. Compared with the prior art, this invention can achieve rapid ozone accumulation in a short time through oxygen-enriched gas, reducing the operating time of the ion generator, and after the sterilization mode ends, accelerating ozone decomposition through oxygen-enriched gas to reduce the ozone presence time, thus realizing closed-loop control of oxygen-enriched gas reuse, instantaneous high-concentration ozone sterilization, and rapid ozone decomposition.

The invention relates to the technical field of thermal insulation fabric processing, and provides a thermal insulation fabric heat treatment processing device and a use method thereof.The thermal insulation fabric heat treatment processing device is used for a thermal insulation fabric with the two side faces of base cloth coated with thermal insulation coatings and comprises a treatment box, and the thermal treatment processing device further comprises two installation pieces arranged on the side of a thermal insulation fabric conveying path, needle-shaped pipes parallel to the heat insulation fabric conveying path are arranged on the installation part, and exhaust grooves are formed in the pipe walls of the needle-shaped pipes. The air heater is used for conveying hot air flow into the needle-shaped pipe; the distance adjusting assembly is used for adjusting the distance between the two mounting pieces; the driving assembly is used for driving the mounting piece to move close to / far away from the heat insulation fabric, so that the needle-shaped pipe penetrates into the base cloth and is reset; heat is applied to the coating-base cloth bonding interface inside the base cloth, the time consumption is short, meanwhile, the heat intensity is fully guaranteed, and then the heat treatment efficiency and effect of the heat insulation fabric are improved.

This application discloses a tool setting method and tool setting fixture for a vertical slotting machine, belonging to the technical field of tool setting devices. To address the problems of low tool setting efficiency and poor accuracy in existing vertical slotting machines, the tool setting fixture includes a central support plate. A triangular jaw is installed at the bottom of the central support plate. The tool setting fixture is installed at the inner hole of the workpiece to be processed via the triangular jaw. A support base for fixing a measuring device is installed on the front side of the central support plate. A tool setting sample block is detachably connected to the support base. The operator determines the tool setting position by cooperating with the measuring device and the tool setting sample block. This application is mainly used as a tool setting device for CNC vertical slotting machines.

This invention provides a film stretching device, comprising: a base adapted to be fixedly connected to the equipment containing the film; and a clamping device disposed opposite to both sides of the film and fixedly connected to the base. The clamping device includes: a fixed base fixedly connected to the base; a first roller shaft connected to the fixed base; a first clamping roller rotatably connected to the first roller shaft; a second roller shaft oscillatingly connected to the fixed base; a second clamping roller rotatably connected to the second roller shaft; and a driving device for clamping the first and second clamping rollers. When the first and second clamping rollers are clamped, the rotation axes of the second and first clamping rollers are parallel, and the film passes between the second and first clamping rollers. This device overcomes the problem in the prior art where the film is not easily flattened, causing production quality defects. This invention also provides a winding device with this film stretching device.

The utility model relates to motor test frock technical field, concretely is a kind of warm air motor whole machine test clamping frock, two clamping assemblies are symmetrically arranged in the both sides of clamping table, the clamping assembly includes empty slot, locating seat and advancing assembly, the advancing assembly is fixed in the both sides of clamping table, the locating seat is located in the inside empty slot and is slidably connected with empty slot, the upper end of locating seat is equipped with guide rail, compared with the frequent replacement of traditional frock clamp or manual adjustment clamping position, this clamping frock can realize the automation operation of height adjustment, preliminary clamping and self-adapting clamping by operating controller. From placing motor to complete clamping, the whole process time consumption is greatly shortened, it is convenient to operate, and it is shorter in time.

The application discloses a polygon decomposition method, an electronic device and a computer readable storage medium. The polygon decomposition method comprises the following steps: obtaining a to-be-decomposed polygon of an integrated circuit layout; obtaining a plurality of candidate polygon templates from a template library; performing shape matching processing and polygon update iteration processing on the to-be-decomposed polygon and the candidate polygon templates to obtain a shape matching result; and performing polygon decomposition processing on the to-be-decomposed polygon according to the shape matching result to obtain a trapezoidal set for manufacturing a mask after decomposition. According to the scheme of the embodiment of the application, the polygon in the integrated circuit layout can be efficiently decomposed, thereby reducing the decomposition time consumption and improving the universal applicability.

To provide a method of cleaning and sterilizing a drink filling apparatus that can improve the operability of the drink filling apparatus and can allow efficient manufacture of a product. A method of cleaning and sterilizing a drink filling apparatus that includes drink supply piping that feeds a drink sterilized in a heating sterilization part into a filling machine includes performing a cleaning in place (CIP), in which a cleaner is circulated in the drink supply piping to remove a drink residue or the like on an interior of the drink supply piping, raising a temperature of the cleaner to a temperature required for a sterilizing in place (SIP), which is performed in succession to the CIP to sterilize the interior of the drink supply piping, from an early stage or middle stage of the CIP, then performing the SIP for the interior of the drink supply piping, and washing the cleaner away with aseptic water heated and sterilized in the heating sterilization part.

The invention relates to the technical field of resource recovery of waste mercury catalysts, and particularly discloses a method and a device for recovering mercury from a waste mercuric chloride catalyst based on ultrasonic-assisted acidic thiourea leaching. The method comprises the following steps: crushing the waste catalyst, mixing the crushed waste catalyst with an acidic thiourea leaching agent with a specific concentration in proportion, and leaching under a specific ultrasonic condition to enable mercury to form a soluble complex to enter a solution; separating the leachate through a microporous membrane, and reducing the filtrate through zinc powder to obtain mercury precipitate; and finally, centrifuging, washing and drying to obtain high-purity metal mercury. The device system integrates equipment such as a catalyst crusher, an ultrasonic leacher, a microporous membrane separator, a reaction kettle and a centrifugal machine. According to the method, efficient recovery of mercury is achieved through a mild wet process, the leaching rate reaches 90% or above, the purity of the reduced mercury product is larger than or equal to 99.5%, and the method has the advantages of being low in energy consumption, small in pollution and stable and reliable in process.

The carbon dioxide responsive liquid crystal film containing amidine compound is formed by a cholesteric liquid crystal polymer capable of reflecting visible light and an amidine compound, and the film is prepared from the amidine compound, cholesteric liquid crystal monomer, crosslinking agent, chiral dopant, photoinitiator and porogen, and the amidine group in the amidine compound reacts with carbon dioxide to increase the hydrophilicity of the polymer network, and when water penetrates into the film, the light reflected by the film is red-shifted and the color is changed accordingly. The carbon dioxide responsive liquid crystal film prepared by the application has stable color change effect, obvious response effect, is easier to distinguish, is still reversible after multiple cycles, and the performance of the film is maintained well after multiple cycles.

Embodiments of the present application provide a kind of based on graph's alarm event determination method, device, electronic equipment and storage medium, method includes: the security log is converted into the target graph information corresponding to the security log;Based on the target graph information and the graph rule configuration information obtained in advance, generate first graph query statement;The graph rule configuration information at least includes: the rule for generating the first graph query statement;The graph information matching operation is carried out between the first graph query statement and the graph information in graph database;The graph database is used to store at least one kind of graph information;According to the graph information matched to the first graph query statement, generate alarm event.The embodiments of the present application realize the association of security log before and after and the association between multi-source security log by graph database, can effectively reduce false alarm rate;In addition, based on the high efficient query ability of the association relationship of graph database itself, the low time and low resource consumption of the association analysis of multiple security logs can be realized.