128results about How to "Increase exposure" patented technology

The invention discloses an anion exchange membrane electrode and a preparation method and application thereof, and belongs to the technical field of new energy material and catalytic electrode preparation, the method comprises the following steps: S1, preparing an anode catalyst slurry comprising a hydrophobic covalent organic framework material, an anode catalyst, an anion exchange ionomer and a solvent; s2, preparing a cathode catalyst slurry of which the components comprise a cathode catalyst, an anion exchange ionomer and a solvent; and S3, respectively spraying or coating the anode catalyst slurry and the cathode catalyst slurry on two side surfaces of an anion exchange membrane or a gas diffusion layer, and carrying out heat treatment to obtain the anion exchange membrane electrode. The method provided by the invention can solve the problems of large gas-liquid-ion three-phase mass transfer resistance, easy shielding of active catalytic sites by ionomers and unbalanced water management in the membrane electrode assembly in the existing AEMWE device.

The invention discloses an industrial part surface defect intelligent detection system and method, and relates to the technical field of defect detection. When a part is fixed on a rotating carrier for full-angle scanning, a surrounding type industrial camera and a light source array cooperate, a light field is dynamically evaluated by combining part curved surface reflection characteristics, and the light source intensity and direction and camera exposure and gain are adjusted; obtaining a uniform initial image; a global image of the part is reconstructed through brightness standardization, denoising interference suppression, multi-scale texture enhancement, distortion correction, normal expansion and cross-view alignment splicing; the method comprises the following steps: extracting cross-scale features by adopting a graph convolution attention model, constructing a fusion feature vector based on geometric morphology parameters and texture features by virtue of defect regions segmented by regional reconstruction aggregation curved surface reflection to finish classification and grading, generating a simulated graph through an adversarial generative network, comparing and verifying, and outputting a detection report. The defect detection precision and efficiency are effectively improved, and the industrial high-quality detection requirement is met.

The invention discloses a spice drying device which comprises a heating box, the heating box is provided with a first material bearing plate and a plurality of second material bearing plates, the second material bearing plates are arranged above the first material bearing plate, and a material guide cover is arranged below each second material bearing plate; the first driving mechanism is arranged on the heating box, the output end of the first driving mechanism is connected with a plurality of material pushing plates, the material pushing plates are located above the first material bearing plate or the second material bearing plate, and the first driving mechanism is used for driving the material pushing plates to move in the left-right direction; and the second driving mechanism is arranged on the heating box, the output end of the second driving mechanism is connected with a plurality of material overturning pieces, the material overturning pieces are located above the first material bearing plate or the second material bearing plate, and the second driving mechanism is used for driving the material overturning pieces to move in the front-back direction and conduct rotary material overturning. According to the spice drying device of the structure, layered flattening is achieved through the material pushing plate, material stacking is avoided through material overturning of the material overturning piece, and the spice drying effect is improved.

The invention provides a method and a device for realizing automatic exposure, a medium and a program product. The method comprises the following steps: determining and caching a brightness parameter of an image in a license plate area in a vehicle image; calculating a first average value of the cached brightness parameters; calculating the brightness deviation degree of the image in the license plate area based on the first average value and a first brightness threshold value for the license plate area, and calculating the local target brightness for the license plate area by multiplying the brightness deviation degree by the global target brightness; performing weighted summation on the local target brightness and the global target brightness to obtain the final target brightness of the vehicle image; and carrying out exposure adjustment on the vehicle image by comparing the image global average brightness of the vehicle image with the final target brightness. According to the technical scheme, the exposure effect of the license plate is optimized, and the scene adaptability and accuracy of license plate recognition are improved while the brightness change of the whole picture is considered.

The invention provides metal lithium surface protection slurry and a preparation method and application thereof, and the surface protection slurry comprises the following components by weight: 5-20 parts of a metal organic framework material (MOFs); 70 to 85 parts of a solvent; 3-6 parts of a conductive agent; 3-6 parts of a thickening agent; the MOFs material comprises an MOFs material taking a zinc-based metal matrix, a cobalt-based metal matrix, a vanadium-based metal matrix, an iron-based metal matrix, an aluminum-based metal matrix, a chromium-based metal matrix, a zirconium-based metal matrix or a lanthanide-series metal matrix as metal ions or metal cluster nodes, and the conductive agent comprises an organic polymer solid electrolyte material or an organic-inorganic composite solid electrolyte material. The surface protection slurry provided by the invention can form a protection layer with excellent lithium affinity, dendritic crystal resistance and stability on the surface of metal lithium.

The utility model discloses a parallel correction device of an exposure machine. The parallel correction device comprises a mask assembly, a correction assembly arranged on the mask assembly and a moving assembly, the correction assembly comprises an air cylinder, a correction plate arranged on the air cylinder and a plurality of correction balls arranged on the correction plate; the air cylinder controls the correction plate to enter and exit between the moving assembly and the mask assembly, one end of the correction ball abuts against the side, close to the correction plate, of the mask assembly, and the moving assembly drives a film source to move in the direction close to the mask assembly through torsion control. Therefore, the film source abuts against the plurality of correction balls. According to the utility model, the moving assembly drives the film source to move towards the correction balls, and the torsion-controlled moving assembly ensures that the uniformly distributed correction balls respectively abut against the photomask and the film source, so that the photomask and the film source are arranged in parallel, the alignment time is shortened, the productivity is improved, the exposure effect of the film source is improved, and the rework rate of products is reduced.

The application discloses a kind of delta-MnO2-GO catalyst and its preparation method and application in room temperature formaldehyde degradation, it is related to inorganic catalyst technical field.The preparation method of delta-MnO2-GO catalyst of the application can significantly limit the growth of manganese dioxide nanosheet by doping with low amount of GO, to manufacture abundant mass transfer transmission channel, delta-MnO2-GO catalyst presents unique two-dimensional crown structure, two-dimensional coral-like hierarchical pore structure delta-MnO2 nanorod is uniformly dispersed on the GO of plane structure, greatly promote the exposure of catalytic site and the mass transfer of reactant, produce a large number of surface active oxygen ROS and hydroxyl radical-OH, greatly maintain the excellent catalytic activity and stability to HCHO degradation, stably realize nearly 100% HCHO elimination at room temperature.

This application relates to an image processing method, apparatus, and computer device. The method includes: performing face recognition on a target image to obtain a target face region; determining target pixel information for each target pixel in the target face region based on reference pixel information of each reference pixel in a reference face region of each frame of the original image; for each target pixel, converting the target pixel information into color coordinates, and determining the weight of the target pixel based on the hierarchical relationship between the color coordinates and the range of human face coordinates; for each frame of the original image, determining the reference brightness of each reference pixel in the reference face region of the original image based on the weight of each target pixel and the original brightness of each reference pixel in the reference face region of the original image; and determining the current brightness of the target face region based on the reference brightness of each reference pixel in the reference face region. This method can improve the accuracy of face region brightness.

The utility model discloses fruit juice concentration equipment. The fruit juice concentration equipment comprises a gas transmission mechanism, a reaction mechanism and a recovery mechanism, the gas transmission mechanism is used for transmitting gas from the reaction mechanism, and the recovery mechanism is used for extracting and recovering hydrates from the reaction mechanism; the gas transmission mechanism comprises a carbon dioxide gas cylinder and a nitrogen gas cylinder; the carbon dioxide gas cylinder and the nitrogen gas cylinder are connected to one end of a gas transmission pipe; the reaction mechanism comprises a reaction kettle and a stirrer arranged in the reaction kettle; the reaction kettle is provided with a gas inlet, and the other end of the gas delivery pipe is connected to the gas inlet; the recycling mechanism comprises a water suction pump, a gas-liquid separator and a recycling bin, one end of the water suction pump is connected with the reaction kettle through a pipeline, the other end of the water suction pump is connected with the gas-liquid separator, and the recycling bin is used for recycling substances separated by the gas-liquid separator. According to the technical scheme, the production efficiency of juice extraction is improved, and the production cost is reduced.

The invention relates to a live broadcast content recommendation method and device, electronic equipment and a storage medium. The method comprises the following steps: displaying a content recommendation card on a live broadcast guide page; the content recommendation card comprises a recommendation tag and at least one piece of recommendation content corresponding to the recommendation tag; and in response to a trigger operation on the content recommendation card, displaying a live broadcast room, and displaying a corresponding content page in the live broadcast room based on the number of the recommended contents. According to the method, the recommendation dimension can be expanded, display of multiple recommendation contents under different recommendation tags is realized, the content currently explained by the live broadcast room is not limited to be displayed, and the richness of content recommendation is improved.

This utility model discloses a surface degreasing device for gear production, relating to the technical field of gear production equipment. The utility model includes a cleaning tank, and further includes: an degreasing section disposed on the cleaning tank for holding the gears to be degreased; a rotating section disposed inside the cleaning tank for driving the degreasing section to rotate; and a stirring section located inside the cleaning tank for stirring the mixture of cleaning fluid and oil. After the cleaning fluid is poured into the cleaning tank, the gears to be degreased are poured into the degreasing section, and then the rotating section drives the degreasing section to rotate, ensuring uniform contact between the gears and the cleaning fluid. This utility model, by incorporating a rotating section, solves the problem in existing degreasing devices where it is inconvenient to rotate the gears in the cleaning fluid, resulting in uneven contact between the surface of each gear and the degreasing agent, thus affecting the overall cleanliness of the gears.

The utility model discloses a waste gas treatment device for a carbon emission reduction system of a thermal power plant, which relates to the technical field of energy-saving and environment-friendly equipment and comprises a gas inlet pipeline and a support frame, sealing covers are arranged at two ends of the gas inlet pipeline, a communicating pipe is arranged in the middle of the outer side of each sealing cover, and a centrifugal fan is arranged in the gas inlet pipeline. A guide plate is arranged on the inner wall, close to the lower portion of the centrifugal fan, of the air inlet pipeline, an opening is formed in the side wall of the lower portion of the air inlet pipeline, a sealing door is arranged at the opening and rotatably installed on the portion, on one side of the opening, of the air inlet pipeline, and a first filter plate is arranged on the inner wall of the sealing door; compared with the prior art, the waste gas impurity removal device has the advantages that the chance and probability that impurities are in contact with the first filter plate are greatly improved through the centrifugal fan, the guide plate and the first filter plate, the waste gas impurity removal effect is effectively improved, the sealing performance of the whole device is improved through the sealing door and the first filter plate, and the service life of the device is prolonged. And adverse effects of waste gas leakage on environment and equipment operation are avoided.

The invention provides a tea fermentation machine convenient for temperature control and a fermentation method thereof, and belongs to the technical field of tea fermentation. Comprising a fermentation cabinet and further comprises a dispersion mechanism, the dispersion mechanism comprises a plurality of flow guide covers fixed in the fermentation cabinet, cylinders are rotationally connected in the flow guide covers, air holes are formed in the cylinders, partition plates are fixed to the inner walls of the flow guide covers, a gear motor is fixed to the side face of the fermentation cabinet, and the output end of the gear motor is fixedly connected with the ends of the cylinders. By arranging the cylinder, the shifting plate and the dispersing assembly, tea leaves are put into the cylinder, water vapor and hot air enter the cylinder from the air holes after being guided by the guide cover, the gear motor drives the cylinder to rotate, the cylinder drives the shifting plate to shift the tea leaves and enables the tea leaves to fall down from a high position, and the dispersing assembly is used for dispersing the falling tea leaves. Tea leaves are in full contact with water vapor and are prevented from being accumulated, so that accurate and reliable temperature control on the tea leaves is realized, and the tea leaf fermentation quality is effectively improved.

The utility model relates to a casting mould, more specifically to a lost foam sodium silicate sand modeling casting mould. The lost foam sodium silicate sand modeling casting mould, including box body, the middle part of box body is provided with the separating seam, and the separating seam divides the box body into two parts, and the plastic foam block is placed in the box body. The two sides of separating seam on box body all are provided with tab, and all are provided with round hole on each tab. The opposite two tabs are inserted with bolt, and the bolt is inserted on the round hole on tab, and the opposite two tabs are pressed together through the bolt. The inside upper part of box body is inserted with lifting frame. A plurality of grating rods are arranged on the lifting frame. Vertical bars are fixed to the left and right ends of the upper side of the lifting frame. The box body can be separated left and right, the sand can be directly exposed outside, and the parts in the sand are convenient to take out.

This application discloses a razor head assembly and a razor having the same. The razor head assembly includes a base, a razor head holder, and a floating mechanism. The base has an axis; the razor head holder is equipped with the razor assembly; the floating mechanism connects the base and the razor head holder, and allows the razor head holder to deflect relative to the axis under the action of an external force, and allows the razor head holder to return to its original position after the external force is removed. This application, through the floating mechanism, allows the razor head holder to deflect relative to the axis of the base during shaving, thereby maintaining a good fit between the razor assembly and the user's face; it also helps to tighten the facial skin, allowing the hair roots to be better exposed on the skin surface, improving shaving cleanliness, while also enhancing shaving comfort and experience, reducing pressure on the skin during shaving, and minimizing skin irritation; furthermore, the razor head holder can return to its initial position after the external force is removed for subsequent use.

This invention discloses a heterogeneous composite electrode material, which uses nickel foam as a carrier and forms a Ni3S2 / MnS heterogeneous composite material with a heterogeneous interface structure on the surface of the nickel foam. Fe is doped into both the Ni3S2 and MnS lattices of the Ni3S2 / MnS heterogeneous composite material. This heterogeneous composite material exhibits good catalytic performance and stability. This invention also provides a method for preparing the heterogeneous composite electrode material, which is simple, suitable for large-scale production, uses low-cost raw materials, and requires simple equipment, making it economical. Furthermore, this invention discloses an application of the above-mentioned heterogeneous composite electrode material in the field of alkaline water electrolysis.

This invention discloses Ni2Fe(SO4) 0.5 (OH)6(H2O) 3.85 This paper discusses / NF catalysts, their preparation methods, and applications, belonging to the field of catalyst synthesis technology. Using large-size nickel foam as a substrate, Ni₂Fe(SO₄) is directly prepared through one-step in-situ microwave-driven growth. 0.5 (OH)6(H2O) 3.85 The nanosheet array eliminates the need for subsequent loading or additional processing, simplifying the process and enhancing the bond between the catalyst and the substrate. This catalyst exhibits excellent performance in hydrogen production via water electrolysis, particularly in seawater electrolysis.

The invention provides a proton exchange membrane electrolysis water membrane electrode and a preparation method thereof. The proton exchange membrane electrolysis water membrane electrode comprises a proton exchange membrane, an anode catalyst layer and a cathode catalyst layer, the anode catalyst layer contains an anode catalyst and an ionomer sub-conductor; based on the area of the anode catalyst layer, the content of Ir is 0.02-2.0 mg / cm < 2 >; the mass ratio of the ionomer sub-conductor to the anode catalyst is (1: 2)-(1: 10); the anode catalyst is a ruthenium-iridium-terbium nano-catalyst, the molecular formula of the ruthenium-iridium-terbium nano-catalyst is Tb2RuxIr (2-x) O7, 0 lt; xlt; 2. According to the membrane electrode and the preparation method thereof provided by the invention, the catalyst layer in which noble metals are uniformly distributed can be obtained, and the membrane electrode catalyst layer is uniform and consistent in microstructure and good in continuity, so that the water electrolysis activity and stability of the membrane electrode catalyst layer are favorably improved.

The application provides application of a nitrogen-doped carbon-based iron monatomic catalyst in degradation of ADC drugs in wastewater, and belongs to the technical field of advanced oxidation water treatment. The nitrogen-doped carbon-based iron monatomic catalyst with a two-dimensional wrinkled ultrathin morphology is prepared by a nano-magnesium oxide template assisted method. In application, the catalyst is dispersed in wastewater containing ADC drugs, stirred and adsorbed to adsorption equilibrium, then a proportion of persulfate is added, and reaction is carried out under the condition that pH is 3-9, so that efficient degradation of the ADC drugs is realized. The application has the advantages of high degradation efficiency, fast reaction speed, wide pH adaptation range, strong anion interference resistance, good broad-spectrum property, good catalyst stability and the like, and actual wastewater toxicity evaluation proves that the application has good detoxification capacity, and has wide application prospect in the field of treatment of refractory organic wastewater such as pharmaceutical wastewater and hospital wastewater.

The present application relates to the technical field of nanocomposite materials, and particularly relates to a preparation method of two-dimensional multi-stage pore MOF material with self-repairing capability and application thereof.The method of the present application is as follows: including the following steps, using an organic ligand, which can also be 2,6-diaminopyridine as a doping ligand to increase the amino functional groups on the MOF body, using an amphiphilic block copolymer as a template agent, using GO as a substrate to induce metal ions to form MOF material, washing off the template agent, and finally obtaining two-dimensional mesoporous MOF material.Grafting UPY-NCO molecules on the hydroxyl or amino end of the MOF material, and then forming dimers through four hydrogen bonds to obtain a crosslinked network.The preparation method of the present application is novel, the MOF material prepared by using the method has high cycle stability, and after high-strength use, the hydrogen bonds can be preferentially sacrificed, and the hydrogen bonds can repair themselves, which greatly improves the service life of the material and improves the electrochemical property.The material can be used as a supercapacitor energy storage electrode material.

The red rice magnetic separation device comprises a supporting frame, a feeding mechanism and a magnetic separation mechanism are arranged above the supporting frame, a magnetic separation bin is fixedly installed at the left end of the supporting frame, and the upper portion of the magnetic separation bin is communicated with a feeding bin; the feeding mechanism comprises a feeding limiting structure and a material dispersing structure, the magnetic separation mechanism comprises a permanent magnet roller, a driving motor and an adjustable scraper blade, a leakage net and a limiting baffle capable of being adjusted in a sliding mode are arranged in the feeding bin, and the material dispersing structure is matched with a spring body through a vibration motor to disperse red rice; the red rice magnetic separation device capable of repeatedly adjusting the precision is provided with the feeding mechanism and the magnetic separation mechanism, and the feeding mechanism remarkably improves the red rice separation uniformity through double optimization of flow adjustment and vibration dispersion; the magnetic separation mechanism achieves efficient impurity removal through dynamic adsorption of a permanent magnetic roller and convenient cleaning of a scraper, and the core problems that a traditional device is low in precision and many in impurity residues are solved through cooperation of the two.

A recommendation system and method based on an e-commerce coupon field knowledge graph, and relate to the technical fields of knowledge graphs and recommendations.The present application is to solve the problem that the existing business coupon recommendation method cannot recommend for new users, and has low reliability and accuracy.The present application comprises: constructing a knowledge graph corresponding to the current e-commerce platform user to obtain a knowledge graph library;obtaining current user information and determining whether the current user is a new user;obtaining the knowledge graph corresponding to the current user, using the knowledge graph corresponding to the current user to obtain a user-coupon list, and thus performing coupon recommendation information;obtaining the old user information input by the new user, and obtaining the knowledge graph corresponding to the old user in the knowledge graph library;using the knowledge graph corresponding to the old user and the scoring situation of the popular goods of the e-commerce platform for the new user to construct a new user knowledge graph, and then obtaining coupon recommendation information.The present application is used for recommending e-commerce coupons.

This utility model discloses an acetylene carbon black drying device with dust removal function, including a drying shell, a feeder at one end of the drying shell, a frame for support at the bottom of the drying shell, a tubular shell structure, a drying auger inside the drying shell, and a power component connected to the drying auger on one side of the drying shell. This utility model relates to the technical field of carbon black processing equipment. This acetylene carbon black drying device with dust removal function integrates a labyrinth-style interlaced layered cotton felt filter mesh at the drying exhaust outlet. The labyrinth-style interlaced layered structure greatly increases the contact opportunity and residence time between dust and the filter medium, significantly improving dust removal efficiency and effectively preventing powder from escaping into the external environment. It efficiently intercepts acetylene carbon black powder escaping during the drying process, solving the problems of powder scattering and polluting the environment and harming health caused by traditional hot air drying. At the same time, it has a compact structure and is easy to maintain.

This utility model relates to an exposure device for circuit boards in the field of circuit board processing technology. The upper end of the exposure machine is equipped with a clamping structure for limiting the circuit board. The clamping structure includes two clamping components for clamping the circuit board, and the two clamping components are arranged symmetrically from left to right. Each clamping component includes ball bearings for moving the circuit board in cooperation with the clamping components. The clamping structure also includes two moving blocks for controlling the left and right movement of the clamping components. This utility model, through the two symmetrically arranged clamping components, facilitates the clamping of circuit boards of different sizes. After clamping the circuit board, the multiple ball bearings allow the clamping components to move back and forth, reducing damage to the circuit board. After the limiting stage moves the circuit board into the exposure machine, it is conveniently positioned below the exposure lamp for exposure.

This utility model relates to the field of outdoor display technology and discloses an automatic outdoor advertising delivery machine, including a walking bracket, an outer frame, and a cabinet. The outer frame is mounted on the walking bracket, and has an opening on its front side to allow the cabinet to be placed inside the outer frame through the opening. The two opposite sides of the outer frame are display sides. A mounting cover is provided on the top of the display sides, and a projector is provided on the lower side of the mounting cover. The projector includes a mounting base, an adjustment base, and a projection component. An adjustment screw is provided at the lower part of the mounting base, and an arc-shaped adjustment hole is provided at the upper part of the adjustment base. The adjustment screw passes through the arc-shaped adjustment hole to rotatably connect the mounting base and the adjustment base. An adjustment nut is screwed to the end of the adjustment screw. The projection component is located at the lower part of the adjustment base. This solution has a simple structure, is suitable for automatic outdoor advertising delivery, and improves advertising exposure.

The utility model discloses a microorganism dissolved oxygen synergistic stirring device with high stirring efficiency, which belongs to the technical field of stirring devices and comprises a fermentation tank, a stirring motor is bolted to the top of the fermentation tank, a stirring shaft is fixedly connected to the output end of the stirring motor, two stirring impellers are bolted to the stirring shaft, and the stirring impeller is fixedly connected to the output end of the stirring motor. The stirring motor, the stirring shaft and the stirring impeller are arranged, microorganisms in the fermentation tank can be stirred, oxygen can be conveyed to the bottom of the fermentation tank through cooperation of the oxygen supply pump, the connecting pipe, the rotating sleeve, the aeration pipe and the aeration holes, and the microorganisms in the fermentation tank can be stirred. The microorganisms are in full contact with oxygen in the stirring process, so that the contact amount of the oxygen and the microorganisms is increased, the oxygen is quickly dissolved in the microorganisms, and the content of dissolved oxygen in the microorganisms is increased.

The utility model discloses a kind of treatment systems of dust-containing acid flue gas, enamel horizontal spray tower is multiple tower series connection, flue gas inlet and flue gas outlet are provided on the upper end of first and last enamel horizontal spray tower, enamel horizontal spray tower lower end is provided with liquid discharge port, the flue gas inlet of enamel horizontal spray tower is connected with pre-spray pipeline, liquid discharge port is connected to plate-and-frame filter press, alkali absorption tower and acid absorption tower lower end are each provided with flue gas inlet, top end is provided with flue gas outlet, the flue gas outlet of enamel horizontal spray tower is connected with alkali absorption tower inlet, alkali absorption tower flue gas outlet is connected with acid absorption tower inlet, the utility model is combined with on-line in situ adsorption and regeneration collaborative mechanism, through resin adsorption, the removal efficiency of acidic component is strengthened, the problem of high ammonia escape in traditional ammonia absorption technology is solved, with high denitration desulfurization efficiency (>95%), low operating cost, strong sulfur resistance, can long-period operation advantage.

The invention relates to a vortex ring pollination device for blueberries. A pollen supply system; the cylindrical pollination cavity is arranged on the lower side of the pollen supply system and is communicated with the pollen supply system; the pollination cavity is sleeved with the outer-layer cavity, the top of the outer-layer cavity is connected with the pollination cavity in a sealed mode, and the bottom of the outer-layer cavity is located on the lower side of the pollination cavity and provided with a flexible sealed opening; the vortex ring generation system is mounted on the outer-layer cavity and is communicated with the inner cavity of the pollination cavity; the pollination shell is arranged outside the pollen supply system, the pollination cavity, the outer layer cavity and the vortex ring generation system in a crossing and sleeving manner, an opening is formed in the bottom of the pollination shell and is used for mounting the flexible sealing opening, and a side wall opening for the vortex ring generation system to work is formed in the side edge of the pollination shell. By means of the airflow-driven fan-screw rod linkage design, integration of three functions of pollen blockage prevention, pneumatic stirring and mixing and downward pushing is creatively achieved, the structure is compact, additional motor driving is not needed, and reliability is high.

This invention relates to the field of intestinal health regulation technology, and discloses a method for preparing and applying a composition containing *Anoectochilus roxburghii* (a type of orchid) to improve intestinal health. The composition, by weight, includes the following components: 8-25 parts of *Anoectochilus roxburghii* complex extract, 5-20 parts of fermented *Anoectochilus roxburghii* prebiotics, 20-60 parts of complex prebiotics, and 1-10 parts of pre-adapted probiotic powder. The *Anoectochilus roxburghii* complex extract is composed of *Anoectochilus roxburghii* polysaccharide fraction and *Anoectochilus roxburghii* alcohol extract composite fraction. The alcohol extract composite fraction is a complex formed by the alcohol extract of *Anoectochilus roxburghii* and phospholipids. The mass ratio of the alcohol extract composite fraction to the polysaccharide fraction is 1:(1-4). This invention overcomes the technical problems of low utilization rate of *Anoectochilus roxburghii* active ingredients, poor probiotic environmental tolerance, and limited dispersibility of active substances in existing intestinal health improvement products. This invention constructs a composite system that combines improved utilization of active ingredients, enhanced stability of live bacteria, and improved overall intestinal health improvement capabilities.

This invention relates to the field of dotting technology, specifically to a dotting device for marking motor rotors. It includes a base, a placement area on the base, and a clamping member on the placement area for holding the motor rotor. An inclined mounting plate is mounted on one side of the placement area via a support frame. A placement plate is slidably mounted on the mounting plate, and a linear drive member mounted on the mounting plate for controlling its movement is connected to the placement plate. A placement slot for holding a dotting pen is provided on the placement plate, and an elastic sleeve for securing the tail of the dotting pen is connected to the other end of the placement slot via a traction spring. A winding member is provided on the side of the placement plate away from the base, winding up a traction line connected to the elastic sleeve. A pen sleeve is provided on the other side of the placement plate for covering the pen tip. This invention facilitates the protection of the pen tip, improves subsequent dotting and marking efficiency, and enhances dotting and marking efficiency.