35results about How to "Solve high" patented technology

The invention discloses an infrared and visible light image fusion method, electronic equipment and a storage medium, and belongs to the technical field of image processing. The method comprises the following steps: acquiring a weak visible light image and an infrared image corresponding to the weak visible light image; an image fusion network is constructed, the image fusion network is supervised by using a supervised label generated by a pre-trained brightness adjustment network, and the quality of a fused image is constrained by using a pre-trained cue word generation network; and inputting the weak visible light image and the infrared image corresponding to the weak visible light image into the image fusion network for fusion to obtain a fused image. According to the technical scheme, the problem of daytime overexposure existing in a traditional night image fusion algorithm is effectively restrained, and meanwhile the problem of night point light source overexposure is effectively restrained.

The invention belongs to the field of daily chemicals, and particularly relates to a selenium disulfide stable emulsification system.The preparation method of pre-dispersed selenium disulfide comprises the steps that selenium disulfide, glycerin and polysaccharide are mixed and homogenized, then zwitterionic surfactant is added, and the pre-dispersed selenium disulfide is prepared; the polysaccharide has a thickening function in water. According to the emulsifying system, glycerol and xanthan gum are adopted for pre-dispersing and wrapping selenium disulfide, so that selenium disulfide can be suspended by sorbitan triisostearate with three hydrophobic groups, after the formula is used, the selectivity of an emulsifying agent in the emulsion is wider, and meanwhile, the emulsifying effect is better. In a formula development process, sorbitan triisostearate is found to have very good moistening and moisturizing effects on scalp, and the problems of dandruff increase and head itching caused by using selenium disulfide shampoo by a dry scalp user can be solved by using sorbitan triisostearate. Meanwhile, the invention further provides application of the emulsification system and shampoo.

The invention provides an annular large hollow direct-drive motor, and relates to the technical field of direct-drive motors. An annular large hollow direct drive motor comprises a stator, a rotor, a base, a rotating shaft, a bearing and an encoder. The stator is fixedly arranged on the base, the rotor is located on the inner side of the stator, a certain gap is formed between the outer wall of the rotor and the inner wall of the stator, the bearing is arranged between the opposite sides of the rotating shaft and the rotor, and the rotating shaft and the rotor are both coaxially installed with the stator. The encoder is arranged on the base, the encoder and the bearing are arranged in the axial direction, the gland is installed on the base and attached to the side, close to the rotor, of the bearing, and the heat dissipation dustproof assembly comprises a heat dissipation fan arranged on the outer side of the rotating shaft. According to the invention, the structure of the motor is more compact, and the flat annular structure with low thickness and large hollow is realized.

The utility model provides a roof photovoltaic power generation device, which relates to the technical field of photovoltaic power generation and comprises a base, and two groups of mounting racks are symmetrically and fixedly connected to the outer surface of the base. When photovoltaic power generation cleaning is carried out on the fishery shed roof, a water inlet pipe is opened, water can enter a hollow shell from the water inlet pipe, a photovoltaic panel assembly is washed through a spray head, then through the action of a first motor, two threaded lead screws drive a limiting plate to move front and back under the action of a limiting groove, and multiple sets of brush heads are driven to move front and back; at the moment, the surface of the photovoltaic panel assembly is brushed while being brushed, so that dust adhering to the photovoltaic panel assembly can be effectively brushed away, the surface of the photovoltaic panel assembly is kept clean, the problem that cleaning is difficult due to the fact that the height of a shed roof is large is solved, sunlight can be more fully received, light energy loss is reduced, and the service life of the photovoltaic panel assembly is prolonged. Therefore, the generating efficiency of the photovoltaic panel assembly is improved and the generating capacity is increased.

This invention belongs to the field of intelligent detection technology for wind turbine blades, specifically relating to a feature detection method and system for multi-category surface damage on blades. The method includes: constructing a pyramid network structure EFPN to replace the baseline model's FPN+PAN neck network. The EFPN includes a pyramid feature enhancement (PFE) module, a multi-feature fusion (MFF) module, and a dynamic interpolation fusion (DIF) module, used to integrate multi-scale damage features and suppress background noise; designing a Focaler PIoU loss function, combined with a size-adaptive penalty factor and a dynamic sample weighting mechanism, to improve the model's ability to perceive difficult samples and the accuracy of bounding box regression; and using the DepGraph structured pruning method to compress the network, combined with an HDCFR hybrid knowledge distillation strategy, to reduce model complexity while maintaining detection accuracy. This invention achieves an mAP@0.5 of 84.5% on the WTBs GLE dataset, with reduced parameter and computational costs, combining high accuracy, lightweight design, and strong robustness, making it suitable for deployment on UAV edge devices.

The application provides an image recognition method and device, and relates to the technical field of image classification and recognition. In the disclosed scheme, the multi-stage feature decoupling and modal alignment are guided based on word vectors, effectively relieving the problems of visual feature entanglement and semantic combination ambiguity. Specifically, first, the visual feature decoupling in the image is realized through the channel attention and spatial attention mechanisms, and the attribute and object semantic information interaction enhancement in the image is realized through the bidirectional guiding mechanism. Further, the correlation between the multiple feature pairs is optimized by constructing the positive and negative sample pairs of multiple perspectives, and the effective alignment of the global visual feature and the semantic feature is realized. Furthermore, by balancing the object and attribute classification loss, the alignment loss and the combined classification loss, the collaborative optimization of the feature decoupling, the modal alignment and the combined prediction is realized, thereby improving the generalization ability of the image recognition prediction model to complex and various unknown combinations and improving the accuracy of the image recognition.

The utility model discloses a line supporting device for communication relocation, which relates to the technical field of communication line supporting and comprises a bottom plate, a fixing column is fixedly connected to the upper end of the bottom of the bottom plate, a rotating shaft is rotatably connected to the inside of the fixing column, and the lower end of the rotating shaft is connected to a motor on one side of the outside of the bottom plate through a gear. The upper end of the base is in threaded connection with a shell, the left end and the right end in the shell are fixedly connected with fixing shafts, the front end of the shell is fixedly connected with a spring guide piece, the fixing shafts are provided with line fixing devices, and the line fixing devices can adjust the position of a communication transfer line by adjusting the positions of the fixing devices. Meanwhile, a spring guide piece is arranged in front of the line fixing device of the communication relocation line to guide the direction of the line and buffer the line, and a motor switch can be controlled to control the rotation of a rotating shaft, so that the height of the line supporting device is adjusted, and damage to the line and possible accidents harming personnel during construction are avoided.

The invention discloses a system and a method for synthesizing a biodegradable plastic raw material through sludge resource utilization, and relates to the field of sludge resource utilization. The system comprises a sludge anaerobic acid production unit, a filtering unit, a feeding unit, a phosphorus recovery unit, a nutrient element supplementing unit, a strain domestication and propagation tank, a PHA accumulation synthesis tank, an aeration unit and an online monitoring and automatic control unit. The method comprises the following steps: adding residual sludge and digested sludge into a sludge anaerobic acidogenic unit, conveying discharged acidogenic sludge to a filtering unit, filtering to obtain acidogenic filtrate, and discharging the acidogenic filtrate into a feeding unit; adding the activated sludge into a strain domestication and propagation tank, and regulating and controlling the adding time and the adding amount of the acid-producing filtrate; after flora in the strain domestication and propagation tank is stable, sludge in the strain domestication and propagation tank is discharged into a PHA accumulation synthesis tank, and when the PHA synthesis rate reaches the highest, bacterial liquid is discharged, and a PHA crude product is collected. Therefore, the PHA synthesis rate and the PHA synthetic bacterium biomass can be improved at the same time, and the contradiction between PHA synthetic bacterium biomass amplification and synthesis rate improvement is solved.

The biological micro-electrolysis reaction system comprises a biological micro-electrolysis reaction tank, an anode filler and a cathode filtering device, a water inlet pipe is arranged on one side, close to the bottom end, of the biological micro-electrolysis reaction tank, and a water outlet pipe is arranged on one side, away from the water inlet pipe, of the biological micro-electrolysis reaction tank, close to the top end. A sludge discharge system is arranged in the biological micro-electrolysis reaction tank; the cathode filtering device comprises a cuboid frame formed by plastic pipes and a screen filter cover, the screen filter cover is wrapped outside the cuboid frame, one of the six surfaces of the cuboid frame is not wrapped, and the water outlet pipe is communicated with the interior of the cuboid frame. The carbon fiber filler of the anode is beneficial to biofilm formation of microorganisms, a micro-current environment is formed, enrichment growth of conductive or electrophilic microorganisms is promoted, degradation-resistant organic matters in a water body are degraded through efficient direct electron transfer, the hydrolytic acidification effect is improved, and high-concentration degradation-resistant complex wastewater is effectively treated.

The utility model relates to the technical field of pressing equipment, in particular to a pressing device. The pressing device is used for pressing a first workpiece and a plurality of second workpieces, and comprises a positioning mechanism used for bearing and positioning the first workpiece; the press-fit mechanism comprises a driving assembly, an elastic press-fit assembly and a fixed press-fit assembly, the driving assembly comprises a press-fit driving piece and a connecting piece, the press-fit driving piece is connected to the positioning mechanism, the connecting piece is connected to the press-fit driving piece, the elastic press-fit assembly is elastically connected to the connecting piece, the fixed press-fit assembly is connected to the connecting piece, and the fixed press-fit assembly and the elastic press-fit assembly are arranged at intervals; the elastic press-fit assembly and the fixed press-fit assembly correspond to the multiple second workpieces correspondingly, the press-fit driving piece drives the connecting piece to move towards the second workpieces, so that the elastic press-fit assembly and the fixed press-fit assembly abut against the corresponding second workpieces, and then the first workpiece and the multiple second workpieces are pressed. The pressing device can be used for pressing different workpieces at the same time, and is low in production cost, high in operation efficiency and good in pressing effect.

The utility model relates to the technical field of building construction, in particular to a building construction wood chip plane which comprises a plane body, an operating rod is fixedly connected to the surface of the plane body, a mounting mechanism is arranged on the surface of the plane body and comprises a mounting hole, the mounting hole is formed in the surface of the plane body, and the operating rod is fixedly connected with the operating rod. A planer tool is slidably connected to the mounting hole, an extrusion groove is formed in the surface of the planer body, an extrusion block is slidably connected to the extrusion groove, and a mounting block is fixedly connected to the surface of the extrusion block. Pressure is applied to the mounting block through continuous rotation of the first bolt, and the mounting block transmits the pressure to the planer tool through the extrusion block, so that the planer tool is firmly extruded on the mounting hole through the extrusion block, the planing adjustment efficiency of the planer tool is greatly improved by changing the mounting mode of the planer tool, and the planing precision of the planer tool is improved. And therefore, the wood planing efficiency of the wood chip plane is improved.

The utility model relates to the technical field of sensor installation, and specifically relates to a force-electric coupling resonant tuning fork sensor installation structure. The device comprises an adjusting assembly, the adjusting assembly comprises a fixing plate, two arc-shaped fixing holes are formed in the top side of the fixing plate and are far away from each other, two connecting plates are fixedly connected to the positions, close to one side, of the top side of the fixing plate, and the two connecting plates are far away from each other; and the same sides of the two connecting plates are fixedly connected with limiting strips. According to the utility model, because the electrical coupling resonant tuning fork sensor is poor in height and angle adjustment, through the arrangement of the two connecting plates, the threaded rod vertically moves between the two connecting plates, the height adjustment can be carried out, and the angle adjustment can be carried out before the first extrusion part is rotated to extrude the two limiting strips. Therefore, the problems of height and angle can be solved, and the problem that the force-electric coupling resonant tuning fork sensor cannot be accurately installed at a corresponding position can be solved.

The application provides a host shock absorption mounting structure and a compressor assembly. The host shock absorption mounting structure comprises a support plate, an adjusting plate and a shock pad assembly. The support plate is arranged above the adjusting plate, and the support plate comprises a host mounting hole and a shock pad mounting hole. The adjusting plate is provided with a base mounting hole, and the host mounting hole, the shock pad mounting hole and the base mounting hole are arranged staggeredly. The shock pad assembly is fixed on the shock pad mounting hole, and the shock pad assembly has a main shock absorption section between the support plate and the adjusting plate. The application shifts the mounting position of the shock pad assembly, thereby significantly reducing the overall installation height of the compressor. While meeting the installation requirements of the compressor, the space utilization of the compressor assembly is improved, and the height problem and the on-site maintenance problem are solved.

The application provides a micro-powder filling and micro-crystal fitting composite production line, which comprises a plurality of mechanical arms and wafer fitting equipment, a primary vibration powder supply device and a primary pressing device, and a powder secondary vibration powder supply pressing device; the mechanical arms are arranged between the primary vibration powder supply device and the primary pressing device, between the primary pressing device and the wafer fitting equipment, between the wafer fitting equipment and the secondary vibration powder supply device, and between the secondary vibration powder supply device and the secondary pressing device to link the feeding and discharging; the primary vibration powder supply device is provided with a first dust removal device, the primary pressing device is also provided with a first pressing dust removal mechanism, the powder secondary adding device is provided with a secondary dust removal mechanism, and the powder secondary pressing device is provided with a second pressing dust removal mechanism, so that surface dust removal can be performed in time after the powder is added and after the powder is pressed, and the overflowed powder can be avoided from being brought into the next station; and the relay operation of the plurality of mechanical arms replaces the traditional flow channel transmission.

The invention discloses a device and a method for removing an internal cavity of a semiconductor chip plastic package body. The removing device comprises a storage mechanism, a temperature awakening mechanism and an injection molding mechanism. The removing device adopts the storage frame to eliminate the problem that the plastic package material is affected with damp due to the fact that the plastic package material is easily affected by the external environment for a long time in the transportation and storage process. And in the material waking process, the plastic package material is accelerated to be waked, so that the plastic package material is prevented from being damped again within a relatively long material waking time (the self-waking time of the plastic package material at present is about 24 hours) on the basis of shortening the material waking time. And in the final injection molding process, the injection pressure of the injection head on the molding compound is adjusted, so that the problem that internal cavities are generated and increased due to the fact that the molding compound is easy to form a layered structure in the step-by-step injection molding process is solved, the problem of cavities in a semiconductor chip plastic package body is solved on the whole, and the plastic package quality is improved.

The invention relates to the technical field of paint spraying devices, in particular to a pressure container surface anti-corrosion paint spraying treatment device which comprises a paint spraying barrel body, a mounting structure, an electric stirrer, a clamping structure, a butt joint structure, a limiting structure, a fixing structure, a driving structure, a paint spraying gun, a pressure regulating valve, a safety valve, a feeding opening, an air escape valve, a discharging opening and a material suction pipe. The barrel cover can be conveniently and rapidly fixed through the installation structure, operation is easy and convenient, firmness is high, the spraying pipe can be conveniently stored through the clamping structure, the problem that the spraying pipe is wound or damaged due to the fact that the spraying pipe falls on the ground when equipment is moved is solved, the paint spraying gun can be conveniently installed on the equipment through the butt joint structure, stability is high, and practicability is high. The operation distance of the paint spraying gun is conveniently prolonged through the arrangement of the driving result, and the problem that uniform paint spraying is difficult due to the large height of the pressure container is solved.

This invention discloses a UV-curable raw lacquer hybrid prepolymer coating and its preparation method, comprising: rosin acid, hydroxyethyl acrylate, p-toluenesulfonic acid, polymerization inhibitor, 4-acryloyloxybenzophenone, polyethylene glycol methyl ether acrylate, azobisisobutyronitrile, refined raw lacquer, trimethylolpropane triacrylate, leveling agent, and defoamer. The coating uses rosin acid as a rigid framework, forming a macromolecular photoinitiator by side-linking benzophenone photoinitiator groups and flexible polyether segments. Then, through a controllable UV pre-irradiation process, it undergoes free radical grafting with lacquer urushiol to construct a "rigid-tough tunable" hybrid network. This invention solves the problems of slow curing of raw lacquer, easy migration of small-molecule photoinitiators, and high coating brittleness in existing technologies. The coating uses a macromolecular photoinitiator design, with the initiating groups fixed to the rosin framework through chemical bonds, fundamentally solving the migration problem. Furthermore, the "pre-grafting" process improves compatibility, endowing the coating with excellent comprehensive properties.

The invention belongs to the technical field of iron and steel smelting in the metallurgical industry, and discloses a method for smelting H13 die steel by using all return scraps. The method comprises the following steps: (1) loading the H13 die steel return scrap into an electric arc furnace, and carrying out electric smelting to obtain mother liquor; (2) carrying out AOD (argon oxygen decarburization) refining on the mother liquor, carrying out decarburization by argon-oxygen mixed blowing in the refining process to produce molten steel with qualified components, and tapping the molten steel into a steel ladle; and (3) carrying out LF refining and VD vacuum treatment on the molten steel in the steel ladle, and pouring to obtain a steel ingot. The H13 die steel is smelted through the all-return scraps, and the furnace burden cost is reduced by 10% or above compared with a traditional smelting process; the molten steel is subjected to decarburization and chromium protection in the AOD, so that the problem of high carbon content of the return scrap is solved, and meanwhile, the problems of burning loss of alloy elements and low yield are solved. The full-return scrap H13 die steel smelting process provided by the invention is relatively low in process difficulty, high in alloy yield, stable in product quality, suitable for industrial large-scale production and relatively high in economic value.

The invention relates to an endoscope low-light image real-time enhancement and noise reduction method based on an FPGA, and the method comprises the following steps: carrying out the parallel calculation of image brightness, noise and detail features on the FPGA, and carrying out the adaptive division of a brightness region according to the image brightness, noise and detail features; dynamically generating a pair of negative correlation enhancement and noise reduction weight coefficients for each pixel based on the region, noise and detail features; and synchronously executing processing on the pixel data according to the weight coefficient through enhancement and noise reduction processing units arranged on the FPGA in parallel. The method can further comprise the steps of iterative optimization based on quality feedback, scene-adaptive parameter adjustment and optimization and dynamic adjustment of processing precision according to content complexity. According to the method, low-delay and high-frame-rate real-time processing is realized, focus details are effectively protected while the overall visual effect of the image is remarkably improved, and the method has high energy efficiency and strong environmental adaptability.

The invention discloses a low-illumination image enhancement method based on gradient perception and intermediate frequency guidance, which mainly constructs a double-branch encoder-decoder network model in an HVI color space so as to effectively recover image texture details, suppress noise and improve color fidelity under a low-illumination condition. Firstly, an RGB image is converted into an HVI color space, and two branches of HV and I are separated; secondly, in the encoding process of an encoding layer, a gradient guide channel attention module is adopted to enhance detail perception, and meanwhile, deformable cross-branch fusion attention is adopted between middle-layer features and in a decoding layer to achieve cross-branch dynamic information interaction; in a bottleneck layer, an intermediate frequency guided multi-scale frequency domain enhancement module is adopted to perform intermediate frequency guided amplitude feature enhancement and phase maintenance in a frequency domain; and finally, reconstructing the enhanced HVI image through a symmetric decoder, carrying out residual connection on the HVI image and the initial HVI image, and inversely transforming the HVI image back to the RGB space to obtain a recovered image. Compared with the prior art, the method has better image visual quality.

The invention provides a novel lifting skylight system structure and a vehicle, a skylight glass assembly is arranged on a roof through a frame assembly, the skylight glass assembly is connected with the frame assembly through a hinge assembly, a folding tent is arranged between the skylight glass assembly and the frame assembly, and the tent is of a folding closed-loop structure. Two ends of the connecting rod are respectively clamped with the frame assembly and the skylight glass assembly. Under the control of the control module, the skylight glass rotates and ascends and descends around the hinge assembly relative to the roof under the action of the lifting mechanism, when the skylight glass is opened, the folding tent is unfolded to expand the space in the vehicle, meanwhile, the effects of keeping out wind and rain and preventing sand dust and mosquitoes from entering the vehicle are achieved, and when the skylight glass is closed, the folding tent is unfolded to expand the space in the vehicle. Due to the pleated design of the tent, the tent can be stored in the frame assembly more easily. A locking mechanism is further arranged in the frame assembly and used for achieving locking and unlocking when the skylight is in the closed state.

The utility model relates to a converter slag stopping cone input adjusting device, and belongs to the technical field of steelmaking production in the metallurgical industry. According to the technical scheme, the device comprises a bottom plate (1), wheels (2), a first sleeve shell (5), a second sleeve shell (6), an inserting plate (8), a fixing bolt (9), a movable plate (11) and a connecting shaft (12), the wheels (2) are arranged below the bottom plate (1), the first sleeve shell (5) is fixed to the bottom plate (1) through a fixing mechanism (22), the second sleeve shell (6) is inserted and fixed to the first sleeve shell (5) through the inserting plate (8) and the fixing bolt (9), one end of the movable plate (11) is slidably connected to the second sleeve shell (6), and the other end of the movable plate (11) is slidably connected to the connecting shaft (12). And the other end of the movable plate (11) is connected with the slag stopping cone main body (14) through a connecting shaft (12). The utility model has the beneficial effects that the height and the angle of the device can be effectively adjusted, and the stability is better.

The utility model discloses an adjustable hydraulic clamp fixing frame for a petroleum drilling machine, and relates to the technical field of petroleum drilling equipment, the adjustable hydraulic clamp fixing frame for the petroleum drilling machine comprises three placing circular plates, the three placing circular plates are fixedly connected through two connecting cross rib plates, a group of placing holes are formed in each placing circular plate, a fixing circular plate is arranged below the placing circular plates, and the fixing circular plate is connected with the connecting cross rib plates. A fixing hole is formed in the fixing circular plate, and a rotating mechanism and a lifting mechanism are arranged between the placing circular plate and the fixing circular plate. By arranging the rotating mechanism and the lifting mechanism, angle adjustment and height adjustment of the placing circular plate are achieved, the placing position of the hydraulic clamp can be flexibly adjusted according to the height of a worker and the requirements of actual working scenes through the design, operation inconvenience and potential safety hazards caused by fixed height and angle of a traditional goods shelf are avoided, and the working efficiency is improved. And the operation convenience and the working efficiency are obviously improved.

The invention discloses high-performance polypropylene and a preparation method thereof, and relates to the technical field of high polymer material modification. The preparation method comprises the following steps: etching glass beads, modifying with silane, and reacting with vinyl silicone oil emulsion to prepare reactive core-shell reinforced phase particles; then mixing homo-polypropylene, block co-polypropylene, the reactive core-shell reinforced phase particles and other auxiliaries to prepare a premix, adding a cross-linking agent and an initiator, and performing extrusion through a twin-screw extruder to prepare primary master batches; and finally, carrying out multi-stage dynamic cross-linking reaction, supercritical carbon dioxide treatment, beta-crystal nucleating agent addition and annealing to obtain a finished product. The problems that traditional modified polypropylene is unbalanced in rigidity and toughness, poor in interface compatibility and unstable in performance are solved, the finished product has excellent tensile property, impact toughness and heat resistance, the process is stable, the product is matched with existing equipment, and the product can be widely applied to the fields of automobiles, electronics, buildings and the like and has good popularization value.

The utility model discloses an adjustable unmanned aerial vehicle bottom supporting frame, and relates to the technical field of unmanned aerial vehicle related equipment, the adjustable unmanned aerial vehicle bottom supporting frame comprises a vehicle body, the bottom surface of the vehicle body is fixedly provided with a clamping plate, and the outer surface of the clamping plate is slidably connected with a supporting plate. According to the utility model, the design structure is reasonable, the rotating rod can be rotated to drive the threaded rod to rotate through the cooperation among the rotating rod, the threaded plates, the first screw rod and the contact plates, and the threaded rod drives the two threaded plates to get close to each other or get away from each other, so that the distance between the two contact plates can be adjusted; the problems that according to an existing supporting frame, the height and distance of supporting legs cannot be adjusted basically, the distances of the supporting legs suitable for unmanned aerial vehicles of different sizes are different, and if a vehicle body is long and the distance between two pairs of supporting legs is short, the center of the unmanned aerial vehicle is unstable when the unmanned aerial vehicle touches the ground, and a chassis is damaged are solved.

The invention discloses an intelligent control method for controlling the consistency of the tricyclic sugar degree of a filter tank, and relates to the technical field of beer brewage, the intelligent control method for controlling the consistency of the tricyclic sugar degree of the filter tank comprises the following steps: step 1, firstly, in a filtering process, controlling the total filtering flow to be unchanged; 2, calculating the flow sugar degree proportional relation of an inner ring, a middle ring and an outer ring in real time; and 3, dynamically distributing the flow of the inner ring, the middle ring and the outer ring according to the real-time proportional relation. Flow distribution is carried out in real time according to the sugar degrees of three rings, the ratio of the sugar degrees, the total flow and the ratio of the sugar degrees, meanwhile, it is guaranteed that the total flow is not changed, and flow distribution is carried out according to the inverted sugar degree ratio, the rings with the low sugar degrees, the ratio of the rings with the high sugar degrees and the ratio of the rings with the low flow rates. Dynamic setting is carried out according to the on-site flow velocity and sugar degree, the tricyclic sugar degree consistency is guaranteed, the model is intelligently controlled, the problem of high residual sugar in the inner ring is solved, and the grain washing quality is improved.

The utility model discloses a device for measuring the pile top height of a cast-in-situ bored pile. The device comprises a check valve and more than one section of measuring device which is hermetically connected end to end, the measuring device is of a tubular structure, a check valve is fixed to the end of the first section of the measuring device, and a valve clack of the check valve is obliquely arranged relative to the center axis of the measuring device. The side wall of the measuring device comprises a transparent part arranged in the axial direction. The measuring device has the advantages that the measuring device is used for extracting the bored pile top concrete, and the color and appearance of the concrete in the measuring device are observed through the transparent parts on the two sides to judge whether quality defects exist or not, so that whether continuous pouring is needed or not is determined, the pile top quality is guaranteed, namely, the bored pile top concrete height and concrete quality are guaranteed; the cost of later maintenance due to the quality of the pile foundation is greatly reduced, the waste of cast-in-place pile concrete is also reduced, and the cost is saved.

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

This invention discloses a TOPCon battery and its fabrication method, belonging to the field of TOPCon battery technology. It includes a monocrystalline silicon wafer with a tunneling layer, a doped polycrystalline silicon layer, a back anti-reflection layer, and a back metal electrode sequentially disposed on its back side from the inside out. The doped polycrystalline silicon layer includes a first doped polycrystalline silicon region and a second doped polycrystalline silicon region. The first doped polycrystalline silicon region is in contact with the back metal electrode and is disposed on the surface of a groove. The tunneling oxide layer is relatively thin, and the inward junction depth is greater than that of the second doped polycrystalline silicon region. This effectively prevents electrode metal from penetrating into the junction region, reduces metal recombination current, and improves the battery's open-circuit voltage. Furthermore, the first doped polycrystalline silicon region has a larger contact area with the printing paste, reducing the battery's contact resistance. Simultaneously, the groove prevents the printing paste from widening outward, ensuring a high grid line aspect ratio, reducing grid line resistance, and thus improving the battery's fill factor.