293results about How to "Improve smoothness" patented technology

The invention belongs to the technical field of image processing, and particularly relates to a passive domain adaptive eye fundus image segmentation method based on adaptive mask and curvature regularization, which comprises the following steps: constructing a teacher-student self-training framework, and generating a pseudo tag by using a weak enhancement teacher model to guide student model training, an adaptive mask consistency strategy is introduced in the training process, adaptive mask processing is carried out on a target domain image, the mask proportion and size are adaptively adjusted according to the sample difficulty and the size of a pseudo-label area, a model is guided to keep prediction consistency under the shielding condition, and thus the pseudo-label reliability and the context modeling capability are improved; meanwhile, by introducing an average negative curvature regularization constraint, an irregular boundary in a prediction result is suppressed, the smoothness and structural continuity of a segmentation result are enhanced, and finally the precision and generalization ability of the model in a cross-device and cross-dataset fundus image segmentation task are improved.

The invention belongs to the technical field of path planning and robot motion planning, and particularly relates to a multi-strategy fusion improved RRT * sampling planning method and device and a storage medium, and the method comprises the steps: constructing a dual-search tree through a starting point and a target point in a three-dimensional working space, and selecting a to-be-expanded search tree through a random mode; halton-Bridge mixed sampling is adopted to generate sampling points, so that the global coverage uniformity is improved, and the narrow channel sampling capability is enhanced; calculating the dynamic step length of the exponential decay based on the local obstacle proportion; adopting a hierarchical guidance expansion strategy, preferentially expanding towards a target, introducing an improved artificial potential field to guide expansion when the expansion fails, and taking the bottom with random expansion; performing RRT * neighborhood father node reselection and reconnection optimization on the new node; greedy pruning, self-adaptive interpolation and cubic B-spline smoothing are carried out on a path after the double trees are connected, and an executable smoothing track is output; according to the scheme, planning efficiency, success rate and path quality are improved.

The invention discloses a sonar image geometric correction method based on image optimization, and relates to the technical field of underwater sonar imaging, and the method comprises the steps: collecting a multi-source underwater observation data packet including sonar image original data, platform motion state data and underwater environment data, and carrying out the preprocessing; extracting sonar image original data from the multi-source underwater observation data packet, performing geometric coarse correction to obtain a pre-corrected sonar image, and performing motion compensation on the obtained pre-corrected sonar image to generate a motion corrected sonar image; constructing a joint optimization objective function, carrying out geometric fine tuning on the motion correction sonar image by adopting a sliding time window strategy, and outputting a geometric fine correction sonar image; geometric distortion caused by non-uniform motion of a platform, attitude disturbance and acoustic propagation distortion is effectively eliminated, inter-frame consistency and submarine topography continuity of sonar images are remarkably improved, and the method is suitable for high-precision operation scenes such as underwater surveying and mapping, target recognition and three-dimensional reconstruction.

The application discloses a method, system, state machine and storage medium for adjusting time interval. The method comprises the following steps: receiving the speed of a preceding vehicle and the distance difference, distance change, relative speed and distance intrusion amount between the preceding vehicle and a current vehicle; outputting a preceding vehicle low-speed working condition start prohibition flag according to the distance difference and the speed of the preceding vehicle; determining the target speed of the current vehicle according to the preceding vehicle low-speed working condition start prohibition flag; outputting a longitudinal following state flag according to the speed of the preceding vehicle, the distance change, the relative speed and the distance intrusion amount; determining the speed difference according to the target speed and the current speed of the current vehicle; determining a target time interval gear position flag according to the speed difference and the longitudinal following state flag; and adjusting the time interval between the current vehicle and the preceding vehicle according to the target time interval gear position flag. The application can improve the timeliness and accuracy of time interval adjustment by outputting multiple flags and vehicle speed and distance information according to a state machine.

Provided is a laminated optical film in which at least a retardation film and an optical film other than a polyvinyl alcohol film are laminated via a molecular adhesive layer, the molecular adhesive layer being a cured product layer of a molecular adhesive having at least one reactive group selected from the group consisting of silanol groups and alkoxysilyl groups, and the molecular adhesive layer being a cured product layer of a molecular adhesive having at least one reactive group selected from the group consisting of silanol groups and alkoxysilyl groups. When the smoothness of a laminate of the entire laminated optical film is set as beta, beta < 0.45 arcmin is satisfied. The optical film is preferably a phase difference film. The thickness of the molecular adhesive layer is preferably 1 nm or more and 100 nm or less. The thickness of the retardation film is preferably 5 [mu] m or less.

The invention discloses a method for treating the inner surface of a stainless steel gas pipe assembly for a semiconductor. The method for treating the inner surface of the stainless steel gas pipe assembly for the semiconductor comprises the following steps that firstly, the inner surface of the stainless steel gas pipe assembly is subjected to basic pretreatment, so that the surface roughness of the stainless steel gas pipe assembly reaches the precision capable of being subjected to finish machining; secondly, multi-stage mechanical polishing is carried out through grinding materials with the granularity gradually reduced, so that the roughness of the inner surface of the stainless steel gas pipe assembly reaches the target precision; and thirdly, the inner surface of the stainless steel gas pipe assembly is treated through electrolytic polishing, and a high-precision passive film is generated on the inner surface of the stainless steel gas pipe assembly. In this way, the smoothness and corrosion resistance of the inner surface of the stainless steel gas pipe assembly can be effectively improved, the overall service life of the pipeline is prolonged, the influence of the pipeline on high-purity gas is remarkably reduced, and the strict requirement of the semiconductor tip technology manufacturing procedure for gas purity is met.

The utility model relates to an animal toy in the technical field of toys. The animal toy comprises a trunk part and a head part detachably connected to the upper end of the trunk part, the trunk part is of a cavity structure, the upper end of the trunk part is provided with an external thread opening and a sealing cover in threaded connection with the external thread opening, and the sealing cover is used for forming a closed cavity in the trunk part; the head is of a cavity structure, a lower port of the head is connected to the sealing cover in a sleeved mode, a nose area of the head is provided with a nose-shaped key, a control panel is installed at the position, close to the nose area, in a cavity of the head, after the nose-shaped key is pressed inwards, the end of the nose-shaped key located in the cavity of the head presses a touch switch of the control panel, and the control panel is electrically connected with an acousto-optic functional component arranged on the head. According to the animal toy, the head part and the trunk part are detachably connected through the sealing cover screwed to the upper end of the trunk part, so that the disassembly and assembly convenience of the head part and the trunk part is improved, meanwhile, the head part and the trunk part form an independent space, the animal toy has the storage function and the entertainment function at the same time, and the experience feeling of consumers is improved.

The utility model discloses a modular assembly type waterproof construction system, which relates to the technical field of waterproof construction and comprises a waterproof plate body, a reinforcing plate is mounted at the top of the waterproof plate body, a waterproof coating plate is mounted at the top of the reinforcing plate, and a second waterproof plate is mounted at the bottom of the waterproof plate body. A first connecting plate is installed on the left side of the waterproof plate body, and sliding plates are installed on the left side and the bottom of the first connecting plate; and a connecting assembly is mounted on the right side of the waterproof plate body. The first connecting plate and the connecting assembly are matched for use, so that the two waterproof plates are connected in a sliding mode through the mortise and tenon joint structure, the first sealant groove in the middle is filled with sealant, connection between the two waterproof plates is reinforced, meanwhile, the waterproof plates can be vertically spliced by 90 degrees, and the waterproof effect is improved. And the problems that the firmness of the joint is insufficient and the dosage of the sealant is inconvenient to control are solved.

This invention discloses a tooling mold for manufacturing brake discs and a method for manufacturing brake discs. The tooling mold includes an insertion section whose shape matches the shape of the heat dissipation holes and achieves an interference fit after insertion. The end of the insertion section is fixedly connected to a sliding groove via a connecting rod. A sliding plate, which cooperates with the sliding groove, enables position adjustment of the insertion section. This invention offers flexible overall adjustment and can be used for combined adjustment of the spacing for brake discs of different sizes, facilitating operator operation. The method of manufacturing brake discs using this invention reduces the difficulty of drilling holes in carbon-carbon composite brake disc preforms, reducing processing volume; it reduces the time and material consumption required for brake disc vapor deposition; it improves the smoothness of the inner surface of the heat dissipation holes, reducing processing volume and avoiding dynamic imbalance and airflow velocity uniformity issues caused by rough holes; it promotes uniform product material, ensures uniform expansion coefficient, and reduces the probability of product cracking.

The present disclosure aims to provide a coating composition capable of forming a coating film excellent in adhesion to a polycarbonate resin substrate, mold releasability, and smoothness, and low in VOC content. A coating composition comprising (A) a hydroxyl group-containing compound, (B) a polyisocyanate compound, and (C) a curing catalyst, and having a solid content concentration of 90% by mass or more, the hydroxyl group-containing compound (A) comprising a hydroxyl group-containing compound (A1) having a urea ester ring structure. A coating composition in which the content of the hydroxyl group-containing compound (A1) having a urea ester ring structure is in the range of 5 to 50% by mass, based on the total solid content amount of the hydroxyl group-containing compound (A).

This invention discloses a black-based blue-spotted glaze with an earthworm-like pattern and its preparation method. The glaze consists of a body, a black base glaze, and a blue-spotted glaze from the inside out. The raw materials for the black base glaze are: feldspar, calcite, calcium borate, dolomite, talc, barium carbonate, quartz, bentonite, zirconium silicate, rutile, cobalt oxide, manganese oxide, and iron oxide. The raw materials for the blue-spotted glaze are: feldspar, limestone, alumina, talc, barium sulfate, Datong clay, zinc oxide, quartz, and titanium dioxide. The preparation method includes: 1. Wet ball milling the black base glaze raw materials to obtain a black base glaze slurry; 2. Wet ball milling the blue-spotted glaze raw materials to obtain a blue-spotted glaze slurry; 3. Bisque firing the body; 4. Applying the black base glaze slurry to the body and drying it; 5. Applying the blue-spotted glaze slurry to the body and drying it; 6. Oxidation firing and reduction firing of the body, followed by natural cooling to obtain the black-based blue-spotted glaze. The raw material formula of this invention is reasonable and environmentally friendly, which can improve the mechanical properties of the glaze; the preparation method is simple and the yield is high.

The utility model discloses a rotary induction magnet structure for a coded disc of a brake controller, which is connected to the coded disc of the brake controller and comprises a motor, and a main shaft of the motor is connected to the center of the coded disc of the brake controller through a bearing; a magnet is embedded and fixed at the end part of a spindle of the motor; an inductive probe is arranged in a shell of the motor; a signal wire connected with the inductive probe is arranged in a shell of the motor, and the end part of the signal wire is connected with a plugging terminal in a plugging manner; the motor rotates to drive the magnet to rotate, the induction probe inducts the number of rotation turns of the magnet and transmits induction signals to the motor control circuit board, and the motor control circuit board controls the motor to rotate reversely and reset. According to the utility model, the structure arrangement is reasonable, the magnet is embedded at the end part of the main shaft of the motor and is matched with the inductive probe in the shell of the motor to induce the number of rotation turns of the main shaft of the motor, and the motor is enabled to reversely rotate corresponding turns for resetting through the motor control circuit board, so that the effectiveness and stability of resetting are ensured, and the brake effectiveness and smoothness are improved.

This invention provides a method and system for planning the attitude of a ball-end milling cutter in a five-DOF hybrid robot, comprising: Step S1: acquiring tool information and surface information of the machining component on the ball-end milling cutter, and establishing a local coordinate system for each tool contact point; Step S2: establishing a global path smoothness performance index and an effective tool diameter performance index for the hybrid robot tool; Step S3: based on the tool information, establishing a constrained optimization model with the weighted sum of the global path smoothness performance index and the effective tool diameter performance index as the optimization objective; generating and simplifying the feasible region of the tool axis direction for each tool contact point according to the constraint conditions; Step S4: optimizing the tool axis direction path according to the constraint model and the feasible region of the tool axis direction for each tool contact point, and outputting the machining path of the five-DOF hybrid robot tool. The method and system provided by this invention can maintain a large effective tool diameter and make the effective tool diameter change smoothly, thereby improving machining efficiency.

The invention discloses an abnormal behavior identification method based on a visual large model and a cognitive Agent, and relates to the technical field of computer vision, and the method comprises the steps: collecting an RGB image and an infrared thermal imaging IR image in a monitoring scene, and extracting a human body key point sequence; performing time sequence difference processing on the key point sequence, and constructing a skeleton velocity vector containing a motion trend; inputting the skeleton velocity vector into a Mamba model, adjusting model parameters by using a selective state space mechanism, and carrying out long-time-sequence modeling on the action sequence; predicting the speed variation of the next frame by adopting a residual prediction architecture and reconstructing a human body posture; and calculating an abnormal score according to the prediction error, triggering a cognitive Agent when the score exceeds a preset threshold value, calling a visual large model (VLM) to perform semantic analysis on the current scene environment, and generating a natural language warning containing an abnormal type and an environmental cause. According to the method, the forgetting problem of a traditional model in a long sequence and the jitter problem of a prediction action are solved.

The invention discloses an automatic seasoning packaging machine and a packaging method, and relates to the technical field of packaging machines, and the packaging machine comprises a rack, a feeding barrel, a discharging pipe, a side edge heat sealing mechanism, an end heat sealing mechanism, a cleaning and powder removing mechanism and a knocking mechanism. According to the cleaning and powder removing mechanism, a second motor drives a piston to do reciprocating motion in a connecting cylinder, and airflow circulation is formed; when the piston moves upwards, dust-containing air is sucked in from the packaging bag through a communicating assembly; when the piston moves downwards, air is pressed into the filtering ring cavity to be filtered, and after static electricity is eliminated through the static electricity eliminator, the air can be sprayed out from the rotating cylinder which swings at multiple angles through guiding of the fixed cylinder and the folding pipe to purge the bag wall. The deflection assembly moves along with the piston to drive the folding pipe and the rotating cylinder to swing back and forth to slightly knock the bag wall. The knocking mechanism knocks the outer wall of the discharging pipe to shake off accumulated powder. After filling, the inner wall of a packaging bag and a discharging pipe are automatically and efficiently cleaned, the sealing performance of a seal is remarkably improved, material waste and pollution are reduced, and high-quality, automatic and continuous packaging of seasoning powder is achieved.

An AI-based iterative language expression training system and its usage method include the following steps: Constructing a language expression training task library, where each task unit contains first descriptive information (such as topic, keywords) and second descriptive information (such as standard examples, structural analysis); arranging the task units according to difficulty or logical order to form a training sequence; the user learns according to an iterative forward training method, starting from the first task unit and attempting to generate or express corresponding language content based on the first descriptive information; the system calls an AI language model (such as BERT, GPT) to evaluate the user-generated content in multiple dimensions (including logical coherence, semantic accuracy, and subjective emotional consistency); if the evaluation fails, the system pushes second descriptive information for the user to learn and reverts to the first task unit to start again; if the evaluation passes, the user proceeds to the next task unit until all forward training is completed; then, the training sequence is logically reversed, and iterative reverse training is performed, starting from the original last task unit, requiring the user to reverse-engineer or parse the first descriptive information based on the second descriptive information, also employing an iterative reinforcement mechanism of evaluation-learning-reverting. This invention significantly improves users' abilities and proficiency in language organization, logical expression, and creative writing through a closed loop of forward and reverse iterative training and AI intelligent evaluation.

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

The utility model provides a kind of frame pressing device, comprising: support plate and the horizontal plate for supporting furniture frame, support plate is equipped with two, and horizontal plate fixed mounting is on the upper surface of two support plates, horizontal plate side fixed mounting has mounting plate, and the lower surface of mounting plate one end is equipped with electric push rod, and the center of horizontal plate lower surface is equipped with pressing assembly, and the side of horizontal plate is equipped with first motor. By the fixed rubber block of sticking solid plate clamped on the slider both sides furniture frame anti-slip and antisense, can ensure the stable fixation of different size frame, then by electric push rod piston rod drives lower pressing plate to drop, make the triangular array convex rubber ball of lower pressing plate lower surface setting press tightly frame upper surface, exert vertical pressure, then by pressing assembly jacking frame, with lower pressing plate forms up-down counter-pressure, to complete the pressing of furniture frame leg, ensure that furniture frame's splicing part stress uniform, tightly combined, significantly improve the overall firmness of frame.

The invention relates to the technical field of battery heat insulation films, in particular to a hot-pressing vulcanization and film covering all-in-one machine for battery heat insulation films, which comprises a base, a processing box is fixedly mounted on the base, a silica gel frame is placed in the processing box, conveying mechanisms are symmetrically arranged on the inner wall of the processing box, and a film covering mechanism is arranged in the processing box. A pre-pressing mechanism and a vulcanizing mechanism are arranged on the outer side of the processing box, and the upper end of the processing box communicates with a rectangular material pipe used for feeding aerogel pieces. The film laminating mechanism is arranged, a horizontal sliding rail and a driving lead screw are used for driving a sliding platform and a silica gel frame to move synchronously, a rectangular pressing head is driven by an electric telescopic rod to complete jacking, cutting and hot-pressing attaching, the silica gel frame does not need to be stopped in the whole process, it can be guaranteed that a film and a window are accurately aligned, and the efficiency bottleneck of a traditional attaching stopping technology is avoided; in addition, cutting and attaching are integrated, the equipment structure is effectively simplified, and the production continuity and the automation degree are improved.

The present application relates to the field of plywood production, and discloses a kind of bamboo single-layer two-piece intelligent weaving device and control system thereof, comprising: machine table, the machine table is provided with three groups, multiple machine tables are horizontally arrayed in working surface, the left side of the machine table is provided with V-shaped table, the upper surface of right side one group of the machine table is sequentially provided with polisher and slitting machine from left to right, the upper surface of left side one group of the machine table is sequentially provided with polisher and cross cutting machine from left to right, the upper surface of the V-shaped table is provided with two groups of cross cutting machines side by side in front and back, and the left surface of the machine table is provided with conveying frame;The slitting machine comprises a slitting table.In the present application, by setting the measuring assembly, when the bamboo piece enters the inside of slitting table, the bamboo piece will extrude the extrusion rod and force it to move upward, when the extrusion rod moves upward, the displacement sensor can measure the thickness of the bamboo piece by detecting the moving distance, and then it will send data to the slitting adjusting motor.

The utility model discloses a cleaning device integrated with a scraping strip. The cleaning device comprises a rolling brush assembly, an equipment main body, a sewage tank, a power supply assembly and a control system, the rolling brush assembly is installed on the equipment body and comprises a cleaning layer and a roller component, the roller component is configured to be capable of rotating under driving of the driving motor, and the cleaning layer is arranged on the roller component in a sleeving mode and can synchronously rotate along with the roller component; the equipment body is provided with an integrated scraping strip, scraping teeth are arranged on the scraping strip, the scraping teeth face the rolling brush assembly and make contact with a cleaning layer of the rolling brush assembly, and the scraping strip can scrape off sewage and dirt on the cleaning layer of the rolling brush assembly. The sewage tank can collect sewage dirt cleaned by the rolling brush assembly; the power supply assembly is configured to provide power for the cleaning device, and the control system can control operation of the cleaning device. Due to the arrangement of the integrated scraping strip, the integrated scraping strip can be firmly and conveniently installed on the cleaning device, sewage and dirt are scraped, and particularly the effect of scraping hair dirt on a rolling brush is better.

The present application provides a sintering machine trolley, comprising a trolley body, end bars mounted on the trolley body and rollers, the end bars are detachably connected with the trolley body through spring pin mechanisms, and the rollers are bearing embedded rollers in a modular assembly form. The present application improves the fixing and mounting mode of the end bars and the structure form and mounting mode of the rollers, overcomes the defects of the complex mounting structure of the end bars and the rollers in the traditional trolley, and the difficulty in mounting and detaching, makes the mounting and detaching of the end bars and the rollers more convenient and fast, and the structure is compact and reasonable, and easy to maintain.

The application provides an instance constraint change detection method and device for broken image patches of remote sensing images, and relates to the technical field of intelligent remote sensing image processing. The method comprises the following steps: performing image slicing on the obtained front and rear time-phase images and inputting the images into a pre-trained instance constraint change detection network (including a backbone network, a feature fusion module, an instance constraint decoding module and an instance constraint loss, the instance constraint loss is used to calculate the loss of each change patch in the image during model training, and the loss of all change patches is accumulated for gradient update), to obtain a predicted change map containing the patches; then, small patch filtering, hole filling and contour simplification are performed to obtain a patch optimization result; finally, raster filling and vector conversion operations are performed to generate a target change vector result. The application can accurately detect the change area, ensure the accuracy and recall rate, and take into account the integrity and smoothness of the change patch, thereby significantly improving the precision of change detection.

The present application belongs to the technical field of Internet of Vehicles and communication security, and discloses a federated learning training method based on vehicle state perception and applicable to dynamic Internet of Vehicles. The method collects vehicle running state information of vehicle clients, preliminarily screens candidate vehicle clients, calculates comprehensive scores of the screened vehicle clients, adopts a client selection strategy combining selection of the top-ranked clients with random supplementation to determine a set of vehicle clients participating in the current round of federated learning, configures local training parameters for the selected vehicle clients according to vehicle speed and computing capacity, performs local training on local data sets to obtain model updates, performs weighted aggregation on the model updates of the effective participating vehicle clients at the server end, introduces a momentum mechanism to smooth the model update process, and obtains new global model parameters. This method effectively improves the stability, robustness and training efficiency of federated learning in a high-dynamic Internet of Vehicles environment.

The morphological constraint-based three-dimensional reconstruction method for cell nuclei comprises the following steps: S1, acquiring a confocal slice sequence and corresponding metadata of a cell nucleus to be reconstructed; S2, performing dynamic level-based image enhancement processing on the confocal slice sequence to form an enhanced slice sequence; S3, performing structure constraint-based marker watershed segmentation on the enhanced slice sequence, obtaining an initial segmentation result layer by layer, introducing an interlayer structure consistency constraint mechanism to correct the segmentation result, and obtaining a cell nucleus mask sequence with continuous structure; and S4, stacking the cell nucleus mask sequence according to layer sequence to construct three-dimensional binary voxel data, complementing the interlayer structure based on a shape interpolation method, and generating a three-dimensional grid model of the cell nucleus through isosurface extraction. The method solves the problems of insufficient stability of the segmentation result and discontinuity of the interlayer structure in the prior art for three-dimensional reconstruction of cell nuclei.

The application discloses a kind of copper sulfate electroplating solution preparation device and method for chip packaging, it is related to chip packaging technical field, and its technical solution points are as follows: including copper sulfate pentahydrate storage tank, negative pressure feeder, feed volume bin, electronic scale, copper sulfate solution preparation tank, preparation pump one, micropore filter one, resin barrel, electroplating solution preparation tank, spiral spray head, preparation pump two, heat exchanger, micropore filter two;Copper sulfate pentahydrate storage tank is connected by negative pressure feeder, feed volume bin, electronic scale and copper sulfate solution preparation tank;Copper sulfate solution preparation tank is communicated with electroplating solution preparation tank by micropore filter one and resin barrel, and copper sulfate solution is added into electroplating solution preparation tank by preparation pump one after preparation in copper sulfate solution preparation tank;Electroplating solution preparation tank and preparation pump two, heat exchanger form circulating system, and micropore filter two is used to fill electroplating solution.The whole preparation device of the application adopts automatic instrument and logic control, and full-process can realize automatic and intelligent operation.

This invention discloses a food-grade alkali-free modified starch adhesive for corrugated paper lamination and its preparation method, belonging to the field of adhesive technology. The modified starch adhesive comprises, by weight, 150-250 parts starch, 250-350 parts water, 4-10 parts hydrogen peroxide, 1-5 parts defoamer, 5-10 parts preservative, and 150-200 parts modified ethylene-vinyl acetate copolymer emulsion; wherein the modified ethylene-vinyl acetate copolymer emulsion is prepared by blending cellulose aqueous solution, PVA, filler, and ethylene-vinyl acetate emulsion in a specific ratio. This invention does not use caustic soda or borax throughout the process; all raw materials are food-grade, and the finished product is weakly alkaline, meeting the requirements of GB4806.15-2024. Through synergistic oxidation modification and emulsion compounding, it significantly improves initial tack, bonding strength, and drying speed, resulting in a low scrap rate, good resistance to damp heat and freeze-thaw cycles, and is suitable for high-speed, room-temperature lamination production of food-grade and ordinary corrugated paper.

The present invention relates to an aluminum alloy disc blank for a magnetic disc, characterized by being formed of an aluminum alloy containing Mg: 3.40 to 3.90 mass%, the balance consisting of Al and unavoidable impurities, the aluminum alloy disc blank for a magnetic disc having an electrical conductivity of 36.0% IACS or more.

The application provides a two-stage MPC control method and system for power smoothing output, and relates to the field of new energy control. A discrete state space prediction model is constructed; all state variables are obtained in the current sampling period and used as the input of the first-stage MPC control; the mechanical and electrical state prediction sequence and the optimal control input are obtained by combining the constraint condition and the dynamic optimization objective function of the second-stage MPC control feedback in the last sampling period; in the second-stage MPC control, the optimal power trajectory meeting the smoothing requirement is obtained by combining the smoothing optimization objective function, and is mapped to the control constraint interval of the next sampling period and fed back to the first-stage MPC control; the optimal control input is applied to the execution equipment, and after the constraint condition is fed back to the first-stage MPC control, the next sampling period is entered. The application can inhibit the rapid fluctuation of the generated power without energy storage devices, improve the grid connection quality, and enable the renewable energy power generation system to still stably output under the severe changes of the external environment.

The invention provides a detection device for carbon dioxide leakage, and belongs to the technical field of carbon dioxide detection, the detection device comprises a main channel, a detector main body and a connection unit, the main channel is communicated with a gas inlet channel, the upper end of the gas inlet channel is fixedly connected with an assembly disc I, and the detector main body is provided with an assembly disc II connected with the assembly disc I; the connecting unit comprises a transverse opening reserved in the first assembly disc in a mirroring mode, a first spiral beryllium copper wire is arranged between a transverse strip and the transverse opening, a vertical opening communicated with the transverse opening is reserved in the first assembly disc, a vertical strip movably connected with the vertical opening is fixedly connected to the second assembly disc, a wedge-shaped table is arranged in a movable opening, and the upper wall face of the wedge-shaped table is an inclined wall. A stop opening cooperating with the wedge-shaped table is reserved in the vertical strip, and a closing unit is arranged in the air inlet channel. The problems that an existing detection device for carbon dioxide leakage is not convenient to maintain, the detection device which cannot work is not convenient to replace, and the use convenience is low are solved.