652results about How to "Good color" patented technology

The invention belongs to the field of building surveying and mapping, and particularly discloses a building three-dimensional defect detection method, device and equipment based on multi-sensor fusion, and the method comprises the steps: obtaining data detected by a laser radar, an IMU, a wheel speed meter and image capturing equipment; fusing the data observed by the laser radar, the IMU and the wheel speedometer based on the ESKF, and determining the speed and the pose of the vehicle-mounted acquisition equipment; obtaining a three-dimensional point cloud model under a world coordinate system by combining the speed, the pose and the point cloud data observed by the laser radar; generating a corresponding three-dimensional Gaussian function according to the three-dimensional point cloud model, projecting the three-dimensional Gaussian function in a world coordinate system to a coordinate system of an image capturing device in combination with a pose, and performing microrasterization to obtain a preliminarily rendered image; and constructing a loss function in combination with a visual image observed by an image capturing device, optimizing the three-dimensional Gaussian function, and iterating to obtain a rendered three-dimensional visual model. According to the invention, fusion positioning and high-precision mapping of the building are realized in combination with multiple sensors.

The invention provides an anti-hair loss composition containing cacumen biotae as well as a preparation method and application of the anti-hair loss composition, and belongs to the technical field of biological medicines. The anti-hair loss composition containing cacumen biotae comprises a cacumen biotae extract, a ginseng root extract, an eclipta prostrata extract, a polygonum multiflorum extract, a tea seed extract, a gleditsia sinensis extract, a mulberry bark extract, a cortex dictamni extract, a cnidium monnieri seed extract and a mint extract. All the components have a synergistic effect, and the shampoo has the effects of improving the greasy environment of scalp, preventing grease from blocking hair follicles, reducing the damage of inflammation to the hair follicles, inhibiting the activity of 5 alpha-reductase, improving the color and toughness of hair and the like, relieves alopecia seborrhoeica and achieves an anti-alopecia effect.

The invention belongs to the technical field of high polymer materials, and particularly relates to a preparation method of active end group polyarylether sulfone. The preparation method of the active end group polyarylether sulfone comprises the following steps: mixing a dihalogenated aromatic sulfone monomer, an alkaline reagent and an aprotic polar solvent, adding an aromatic dihydroxyl monomer in batches for polymerization reaction, and desalting to obtain a polyarylether sulfone system; the temperature of the polymerization reaction is 120 to 240 DEG C; the number of times of adding the aromatic dihydroxyl monomer to carry out the polymerization reaction is more than three; and mixing the polyarylether sulfone system with an end-capping reagent, and carrying out an end-capping reaction to obtain the polyarylether sulfone. According to the preparation method of the polyarylether sulfone provided by the invention, through fine synthesis of step-by-step polymerization, reaction temperature control, effective control of reaction rate and inhibition of hydrolysis rate of raw materials, the obtained polyarylether sulfone is high in purity, proper in active end group content and good in solution color and luster, and has a better toughening effect when being combined with epoxy resin.

The invention relates to photo-crosslinking chitosan immobilized tannase, a preparation method thereof and application of the photo-crosslinking chitosan immobilized tannase in treatment of a tea extract. According to the invention, methacrylic anhydride is successfully grafted to the surface of chitosan to prepare UV cross-linked CS-MA, and then tannase is anchored on the CS-MA hydrogel through NHS to successfully complete immobilization. The immobilized tannase degrades methyl gallate, and the activity, stability and reusability of the enzyme can be improved. The immobilized tannase is more ideal for improving the pH value, color and clarity of tea soup compared with free enzyme, and the improvement on the pH value is particularly remarkable.

The invention discloses a preparation method and application of composite nanoparticles with a gold-silver core-shell structure, and aims to solve the problems that silver halide precipitates are generated on the surface of a silver core and the silver core is etched in the prior art. The thiourea solution is used for replacing a halogen-containing reagent, uniform epitaxial growth of gold on the surface of the silver core is mildly achieved, the gold-shell silver-core nanoparticles which are evenly wrapped and stable in structure are prepared, and the gold-shell silver-core nanoparticles are suitable for the fields of immunodetection and the like and are good in color development effect and low in cost. The method comprises the steps of preparing a gold salt solution, preparing gold nano-seeds, preparing silver nano-cores and generating gold-shell silver-core nano-particles through a chemical reduction reaction, and the problem that a core-shell structure grows unevenly is solved. When the method is applied to immunodetection, the material cost can be remarkably reduced, and a better color development effect can be achieved.

The invention relates to the technical field of display devices, in particular to ink for an LED mask, a preparation method of the ink and a preparation method of the LED mask. The ink for the LED mask comprises the following components in percentage by mass: 35%-50% of matrix resin, 25%-40% of a diluent, 15%-25% of a coloring agent, 2%-4% of an accelerant, 2%-4% of an anti-settling agent, 0.1%-1.2% of a weather-proof agent, 0.5%-1% of a dispersing agent, 0.4%-0.6% of a defoaming agent and 0.4%-0.6% of a flatting agent, wherein the coloring agent comprises pigment carbon black of which the blackness is less than or equal to 20; the weather-resistant agent comprises an ultraviolet absorbent and a free radical trapping agent in a mass ratio of (1-3): (1-3). According to the ink for the LED mask, the contrast ratio of the LED mask is improved, meanwhile, the ink color consistency and weather resistance of the LED mask are effectively improved, and therefore the color developing effect of an LED display screen is optimized, and the service life of the LED display screen is prolonged.

The present invention provides an application of a type of inorganic material in the preparation of a color-changeable polymer material, and also provides a color-changeable polymer material prepared based on the type of inorganic material and a preparation method thereof, which belongs to the field of polymer laser processing technology. The inorganic material described in the present invention is an inorganic compound containing tungsten and / or molybdenum. The present invention prepares a color-changeable polymer material after adding a specific inorganic material as an additive to a polymer. Under the action of laser, the polymer material has an excellent color-change effect, and various color marks can be formed on the polymer material. The obtained color marks are clear and flat with high contrast. At the same time, the polymer material is light in color, and color marking can be achieved on a light-colored substrate, thereby expanding the scope of application. In addition, the preparation method of the color-changeable polymer material of the present invention is simple, easy to operate, safe, environmentally friendly, and very suitable for industrial applications.

The invention discloses an ammonia nitrogen detection system and an application method thereof, and ammonia nitrogen detection test paper, the ammonia nitrogen detection system is prepared by the following steps: step SA1) preparing a dipping mixed solution, the dipping mixed solution comprises: a potassium sodium tartrate solution with a concentration of 3-60 g / L; a sodium salicylate solution with a concentration of 20-320 g / L; the concentration of the sodium nitroprusside solution is 0.1 to 0.8 g / L; and deionized water. On the basis of the principle of salicylic acid-pypocholoride spectrophotometry, the impregnated test paper, the reagent tube and the standard colorimetric card are combined, and the rapid ammonia nitrogen detection system special for medium-concentration sewage detection is successfully developed. The toxicity problem of mercury iodide in a Nessler reagent method and the toxicity problem of phenol in a phenol-pypocholoride spectrophotometric method are avoided, main reagents are non-toxic and harmless to a human body, interference of metal ions in a water sample can be effectively eliminated by adopting sodium potassium tartrate tetrahydrate as a chelating agent, and the detection stability and accuracy are improved.

The invention relates to a skin-cleaning composition and application thereof in cleaning cream, and belongs to the technical field of daily chemicals, the skin-cleaning composition comprises the following raw materials: plant fermentation liquor, a chrysanthemum artemisia extract, silk amino acid, cetyl alcohol ethyl hexanoate, PEG-20 glyceryl triisostearate and soapberry seed oil; the preparation method of the plant fermentation liquid comprises the following steps: S1, pretreating part of the raw materials; s2, activating and culturing the strain; and S3, adjusting the pH value of the mixed solution A, performing temperature-controlled sterilization, cooling, adding mannase, performing temperature-controlled enzymolysis, performing enzyme deactivation after enzymolysis is completed, so as to obtain a mixed solution B, cooling, adding a lactobacillus acidophilus fermentation seed solution and a streptococcus thermophilus fermentation seed solution, performing temperature-controlled standing fermentation, performing temperature-controlled sterilization and speed-controlled centrifugation after fermentation is completed, taking supernate, and performing 0.22 mu m membrane microfiltration, so as to obtain the plant fermentation liquor. The raw materials of the skin-cleaning composition provided by the invention have a synergistic effect, so that the skin-cleaning composition has the effects of moisturizing and whitening while effectively cleaning the skin.

The invention discloses a high dynamic range image tone mapping method and device, a medium and a program product, and relates to the field of image processing. The method comprises the following steps: calculating a brightness logarithm and a large-scale texture layer logarithm of a high dynamic range image to enhance image details and generate a global detail enhanced image; the brightness distribution is optimized by counting the brightness histogram, cutting the abnormal brightness value and compensating the abnormal brightness value; determining the average brightness and the standard deviation of the low dynamic range image based on the optimized histogram, obtaining a normalized brightness grey-scale map, and performing local detail enhancement; and restoring the brightness of the enhanced image to an original HDR range, mapping a color channel, and merging color spaces to obtain a final LDR image. According to the method, the dynamic range of the high-dynamic-range image can be compressed, and meanwhile, the detail features and brightness distribution reasonability of the image are effectively kept, so that the subjective visual quality and user experience of the low-dynamic-range image are remarkably improved.

The invention provides bacillus amyloliquefaciens capable of improving color and luster of soy sauce, inhibiting bacteria and enhancing aroma and application of the bacillus amyloliquefaciens, and belongs to the field of microorganisms, the bacillus amyloliquefaciens Z-WQ20 is preserved in China General Microbiological Culture Collection Center on June 18, 2024, the preservation number is CGMCC NO.30996, and the preservation number is CGMCC NO.30996. The bacillus amyloliquefaciens Z-WQ20 is preserved in the China General Microbiological Culture Collection Center on June 18, 2024. The preservation address is Institute of Microbiology, Chinese Academy of Sciences, No.3, Yard 1, Beichen West Road, Chaoyang District, Beijing; the strain disclosed by the invention can inhibit bacteria, remove black, improve color and luster and increase ester in the soy sauce fermentation production process, has the efficacy of enhancing aroma, and has a good application prospect.

The invention relates to the field of powder coatings, and particularly discloses a slow-release coated heat-curable powder coating catalyst composition, a powder coating and a preparation method of the powder coating. The slow-release coated heat-curable powder coating catalyst composition comprises: i) a component A, which is an inner core coated object and comprises at least one basic catalyst capable of promoting the ring-opening reaction of epoxy resin, and i) a component B, which is an outer core coated object and comprises at least one basic catalyst capable of promoting the ring-opening reaction of epoxy resin; ii) a component B, which is a coated shell comprising at least one crystalline solid unsaturated polyester resin or a semi-crystalline solid unsaturated polyester resin; the component C is a coating medium and comprises at least one alkane wax.The low-temperature powder coating can be cured at the ultralow temperature, the curing temperature is as low as 90-120 DEG C, the storage time of the low-temperature powder coating is effectively prolonged, and the requirement of a normal powder coating process is met.

The invention belongs to the technical field of biological medicine, and particularly relates to sterile cefepime hydrochloride and a direct preparation method thereof. The method comprises the following steps: firstly, carrying out condensation reaction on a 7-MPCA solution and an AE active ester solution through a solid base catalyst column at the same time; then, carrying out extraction phase separation, two times of pH regulation crystallization, activated carbon decoloration and sodium sulfite reduction on the condensation liquid to obtain a cefepime hydrochloride liquid to be crystallized; and then taking a part of the cefepime hydrochloride to-be-crystallized liquid to prepare a seed crystal mixed liquid, and adding the rest of the cefepime hydrochloride to-be-crystallized liquid and the crystallization solvent into the seed crystal mixed liquid at a specific speed to obtain the sterile cefepime hydrochloride. According to the method disclosed by the invention, the continuous production of the sterile cefepime hydrochloride is realized, the preparation period of the sterile cefepime hydrochloride is greatly shortened, side reactions and product degradation are reduced, the quality and yield of the obtained cefepime hydrochloride product are relatively high and stable, and industrial production is facilitated.

The invention discloses an efficient washing and caring composition capable of being rapidly biodegraded and application of the efficient washing and caring composition. The washing and caring composition is mainly prepared from the following raw materials: lauroyl alanine, a soapberry peel extract and a camellia seed extract. The mode of combined fermentation of the lactobacillus and the saccharomycetes is adopted, crude fat, starch, crude protein and tea seed polysaccharide contained in the camellia seeds in the raw materials are ingeniously utilized, and nutritional conditions are provided for growth of the lactobacillus and the saccharomycetes. The color, the quality and the purity of active matters contained in the prepared washing and caring composition are better than those of the traditional extraction method. Tests prove that the cleaning composition is excellent in cleaning performance, biodegradable and beneficial to environmental protection.

The invention relates to the technical field of grape planting, in particular to a grape nutrition regulation-based early-maturing high-quality light and simplified production method, which comprises the following steps of: regulating nutrition distribution in a germination period, and taking moisture-preserving and rain-sheltering measures on the ground and branches; regulating and controlling nutrient distribution in the flowering period to control branch growth, and ensuring the fruit setting rate based on pinching measures; management is conducted in the fruit expanding period, on the basis of vigorous growth control combined with high photosynthetic management, the photosynthetic efficiency of leaves is ensured, soil and leaf fertilization are adjusted, and it is ensured that nutrient supply meets the fruit expanding requirement; nutrition in the color changing period is regulated and controlled, fruit color changing is promoted based on trunk girdling, specific fertilizer is sprayed to leaf surfaces, and it is ensured that the fruit ripening and color changing process is accelerated; management is conducted in the acid-removing and sugar-increasing period, and the fruit acidity is gradually reduced based on regulation and control of nutrient distribution and fertilization measures. According to the method, the efficiency of early-maturing, high-quality and light-weight production of grapes is improved.

The invention belongs to the technical field of polarization image processing, and particularly relates to a color polarization image demosaicing image fusion method based on deep learning, which comprises the following steps: S1, constructing a color polarization image demosaicing convolutional neural network model, and carrying out demosaicing processing on color polarization image data with missing pixel values to obtain a color polarization image demosaicing convolutional neural network model; and generating four panchromatic polarization images with different polarization angles, wherein the convolutional neural network model is composed of two sub-networks, namely a color demosaicing network and a polarization demosaicing network. The method can effectively solve the pixel interpolation problem of CPFA data of an existing color polarization image, improves the definition of the color polarization image, makes up for the technical defects of polarization imaging in a dynamic environment, provides the color polarization image based on the attention mechanism, analyzes the difference of imaging target information expressed by a color intensity image and a color polarization degree image, and improves the image quality. And an attention mechanism module is introduced in a targeted manner, so that the obtained fused image has better quality compared with a traditional fused image.

The invention discloses a color developing composition as well as a use method and application thereof. The color developing composition comprises the following components: a) polyglycerol fatty acid ester; b) at least one of polyol fatty acid ester and alkyl glyceryl ether; and c) at least one of an anionic surfactant and a cationic surfactant. According to the invention, through compounding of specific types of surfactants, the obtained color developing composition can present a color developing appearance after being diluted with water, has good color developing stability, and also has a polarization phenomenon and an excellent moisturizing effect; as a novel developing additive, the developing composition can be widely applied to products such as cosmetics, mouthwash, food and beverages, so that the products are colorful, and the safety is high.

The invention belongs to the technical field of assistants for silicone rubber, and particularly relates to an antibacterial mildew-proof coloring agent for a silicone adhesive and a preparation method of the antibacterial mildew-proof coloring agent. The preparation method comprises the following steps: (1) adding inorganic toner, silicate ester and dimethyl octadecyl [3-(trimethoxysilyl) propyl] ammonium chloride into a solvent, uniformly stirring and mixing, heating to 40-80 DEG C, then dropwise adding ammonia water, stirring for reaction, and performing vacuum drying after the reaction is completed to obtain quaternary ammonium salt modified TQ silicon resin coated inorganic toner; and (2) uniformly mixing and dispersing the obtained quaternary ammonium salt modified TQ silicon resin coated inorganic toner and hydroxyl silicone oil to obtain the antibacterial mildew-proof coloring agent for the silicone adhesive. According to the invention, quaternary ammonium salt modified TQ silicon resin is used for coating and modifying the inorganic toner, so that the coloring effect can be obviously improved, and the silicone adhesive is endowed with obvious antibacterial and mildew-proof characteristics.

The invention discloses a psychrophilic salt activated beta-N-acetylglucosaminidase mutant D180S and application thereof, and relates to the technical field of gene engineering. The amino acid sequence of the mutant D180S is shown as SEQ ID NO.1, the optimum pH value of the mutant D180S is 6.0, the optimum temperature of the mutant D180S is 5 DEG C, and compared with recombinant wild beta-N-acetylglucosaminidase with the amino acid sequence shown as SEQ ID NO.5, the optimum temperature of the mutant D180S is reduced by 40 DEG C. The enzyme activity of the recombinant wild beta-N-acetylglucosaminidase opt-HJ5NagNC is reduced along with the increase of the salt concentration in a reaction system, while NaCl, NaBr, NaI, NaF and NaNO3 can activate the activity of D180S to different extents, and the mutant can be applied to the field of biotechnology under the low-temperature salt-containing environment requirement, and especially can be applied to the industries of food, brewing, washing, papermaking, sewage treatment and the like.

The invention relates to Kazakstan yeast JM1503 and application of the Kazakstan yeast JM1503 in a composite leavening agent. The Kazakstein yeast JM1503 is preserved in the China General Microbiological Culture Collection Center (CGMCC), the preservation number is CGMCC No.32117, and the preservation date is September 29, 2024. The Kazakstan yeast JM1503 provided by the invention is a new strain separated from a leavening dough sample, and has the advantages of good safety and strong fermentation capability of the strain. Meanwhile, the composite leavening agent containing the strain can replace a leavening agent of the sour dough through mutual cooperation of various strains, so that the steamed buns prepared by adopting the composite leavening agent not only have the fermentation flavor of the sour dough, but also improve the taste, luster and color of the steamed buns, and more importantly, the preparation time of the steamed buns is saved, and the production cost is reduced. And 8-10 hours of fermentation of the leavening dough in the previous day is not needed, so that the production efficiency is greatly improved. Meanwhile, the compound leavening agent is adopted, so that steamed buns can be produced in a batch copying manner, industrial popularization and production are facilitated, and the application prospect is good.

The invention relates to a medicinal and edible plant composition and application thereof. The medicinal and edible plant composition is an aqueous extract of the following preparation raw materials: kudzuvine root, hovenia dulcis thunb, chrysanthemum bud, poria cocos and liquorice. According to the invention, five specific medicinal and edible raw materials are reasonably combined to prepare a water extraction product, the product has an excellent anti-oxidation effect, has an activation effect on ethanol dehydrogenase and acetaldehyde dehydrogenase, and has very good potential of dispelling the effects of alcohol and protecting the liver, and all the components are mutually matched and have a synergistic effect on the effects.

The invention relates to the technical field of bio-based polyester synthesis, in particular to a preparation method of poly (ethylene 2, 5-furandicarboxylate). Comprising the following steps: purification of 2, 5-furandicarboxylic acid: purifying the 2, 5-furandicarboxylic acid by sequentially adopting activated carbon, dealdehyding resin and a modified adsorbent, so that the content of acyl furoic acid, furoic acid and aldehyde impurities can be effectively reduced, side reactions are reduced, and the chroma of a finished product is reduced. Adding the purified 2, 5-furandicarboxylic acid, ethylene glycol, a composite catalyst and a composite stabilizer into a reaction container, and carrying out esterification reaction and polycondensation reaction to obtain 2, 5-furandicarboxylic acid glycol ester; a mixture of aluminum acetylacetonate, antimony triphenyl diacetate and zinc acetate is used as a catalyst of poly (ethylene 2, 5-furandicarboxylate), so that the color of PEF can be effectively improved.

The invention relates to the technical field of mechanochromic materials, and discloses a blue-phase liquid crystal polymer fiber capable of changing color through mechanical response and a preparation method and application of the blue-phase liquid crystal polymer fiber. The blue-phase liquid crystal polymer fiber with the mechanical response color changing function is of a skin-core structure, a skin layer is a blue-phase liquid crystal layer, and a core layer is a polymer fiber monofilament; and the blue-phase liquid crystal polymer fiber can generate color change response under stress change. When an external force is applied to the blue-phase liquid crystal polymer fiber, the lattice constant of the blue-phase liquid crystal is changed, so that the reflection wavelength is changed and the color is changed, and the blue-phase liquid crystal polymer fiber has a reversible color change behavior due to a stable polymer network structure; the preparation method disclosed by the invention is simple in process, and a blue phase structure with a good lattice structure and a large plate can be obtained through rapid cooling; the prepared blue-phase liquid crystal polymer fiber is good in processability and high in performance, and has very good application potential in the fields of sensors, display, stealth and anti-counterfeiting.

The invention provides a synthesis method for preparing high-yield tetraacetylethylenediamine at one time, which comprises the following steps: S1) taking ethylenediamine and toluene as a base, dropwise adding acetic acid, heating and refluxing at the same time, and dehydrating in a water segregator until no water is generated; s2) adding acetic anhydride and methylbenzene, carrying out low-temperature azeotropy to take out acetic acid, extracting and separating acetic acid from azeotropic liquid through ice water, drying a raffinate phase, then recycling the raffinate phase, carrying out high-temperature reflux reaction for 1 hour, and repeating low-temperature acid extraction and high-temperature reaction for three times respectively; the method has the advantages that the heat supply process and the methylbenzene low-temperature acid extraction process are repeatedly and sectionally implemented, so that the production efficiency is improved, the single yield is improved, the color of the product is better, and the method is suitable for large-scale industrial production.

The invention discloses a high-color-fastness structural color film and a preparation method thereof, and belongs to the technical field of structural color films, and the preparation method comprises the following steps: S1, adding modified nano colloidal microspheres and carbon black into absolute ethyl alcohol, and carrying out ultrasonic dispersion for 40 min to obtain a microsphere dispersion liquid; s2, uniformly spreading the microsphere dispersion liquid on a smooth and flat polyfluortetraethylene plate, and drying at 40-45 DEG C to obtain a modified microglobulin photonic crystal template; and S3, injecting the modified polyurethane precursor solution into the modified microglobulin stone photonic crystal template, vacuumizing, defoaming, and curing at 80 DEG C to obtain the high-color-fastness structural membrane. According to the invention, the modified nano colloidal microspheres and the carbon black are taken as assembly elements of the photonic crystal, so that the stability of the structural color film is improved, and meanwhile, under the synergistic effect of the modified polyurethane precursor solution, cracks can be effectively prevented, and the photonic crystal structure is prevented from being damaged, so that the color fastness and durability of the structural color film are improved.

The invention relates to the technical field of cable processing, in particular to a cable surface color strip coating device which comprises a rack, a guide assembly, a first coating mechanism and a second coating mechanism. And after the cable sequentially passes through the guide assembly, the first coating mechanism and the second coating mechanism, the advancing path of the cable is changed by the reversing wheel. When the cable passes through the guide assembly, the guide assembly not only can limit the advancing direction of the cable, adjust the tension degree of the cable and stably convey the cable to the first coating mechanism, but also can increase the roughness of the outer surface of a coating layer of the cable. By increasing the roughness of the outer surface of the coating layer, coloring of the outer surface of the coating layer is facilitated. When the cable passes through the first coating mechanism, the first coating mechanism can pre-coat the outer surface of the coating layer. And when the cable passes through the second coating mechanism, the second coating mechanism can re-coat the outer surface of the coating layer. Through primary coating and secondary coating, the coating effect of the color bar can be effectively improved.

The utility model discloses a lanyard with a braided fixing structure, which comprises a main rope body and a braided rope, a preset position of the main rope body is bent to form two mutually attached rope strands, the braided rope is arranged between the two rope strands and sequentially penetrates through the adjacent rope strands to form a node, and the braided rope is fixed on the main rope body. The braided rope comprises a needle starting point, a first braided body, a main braided body, a second braided body and a needle stopping point, and the needle starting point, the first braided body, the main braided body, the second braided body and the needle stopping point are sequentially arranged in the penetrating direction. In actual processing, the penetrating direction is the needle starting point and the first knitting body, so that the first knitting body reversely extends out of the main knitting body in the direction away from the needle starting point, finally, the second knitting body extends towards the needle starting point from the direction of the main knitting body, and finally, the needle stopping point is led out. The first woven body and the main woven body are stacked, and the second woven body and the main woven body are stacked, so that through the structure, stable combination between the rope strands is achieved, and meanwhile the soft hand feeling is achieved.

The preparation method comprises the following steps: S1, uniformly blending carrier PA6 slices, a coloring agent and a dispersing agent, uniformly blending the carrier PA6 slices, a cool-feeling antibacterial composite material and the dispersing agent, melting and plasticizing by a double-screw extruder, and carrying out water-cooling pelletizing, so as to obtain color master batches for PA6 fibers and cool-feeling antibacterial master batches for the PA6 fibers; carrying out melt spinning on the prepared color master batch for the PA6 fiber and PA6 slices to obtain colored PA6 FDY (Fully Drawn Yarn); carrying out melt spinning on the cool-feeling antibacterial master batch for PA6 fibers and PA6 slices to obtain cool-feeling antibacterial PA6 FDY (Fully Drawn Yarn); colored PA6 FDY is used as core yarn, cool-feeling antibacterial PA6 FDY is used as skin yarn, and the double-color cool-feeling antibacterial cotton-like PA6 filament with a filament loop or filament arc structure is formed. According to the PA6 filament provided by the invention, the colored PA6 fiber with high color fastness and uniform color can be directly obtained without post-dyeing, and the colored PA6 fiber and the cool-feeling antibacterial functional PA6 fiber can better present a double-color effect if the colored PA6 fiber is present if the colored PA6 fiber is present if the colored PA6 fiber is not present after the colored PA6 fiber and the cool-feeling antibacterial functional PA6 fiber are deformed and stranded at a nozzle.

The present invention relates to the field of automatic identification technology, specifically to a method and system for automatic identification of concrete component defects, comprising the following steps: based on an initialization detection model, the color, illumination and resolution of an input image are standardized, and preliminary crack width and crack length detection is performed by adjusting brightness and contrast parameters. The present invention improves the recognition capability of tiny cracks and defects in concrete components through an attention mechanism and refined image processing, optimizes the color and illumination adjustment of the image, ensures that the best visual data can be obtained under various environmental conditions, and thus makes defect detection more accurate. Through conditional random field technology, the recognition accuracy of crack edges is further enhanced, allowing accurate segmentation of real defect areas in complex backgrounds. Combined with cosine annealing strategy and transfer learning, the model can adapt to different types of concrete components, and improves the application capability and accuracy of the model in new scenarios.

The invention relates to the field of marine food manufacturing, in particular to high-protein-content soy sauce and a preparation method thereof, and the high-protein-content soy sauce comprises the following raw materials: laminarin, modified anthocyanin, compound protein, docosahexaenoic acid, astaxanthin, taurine, carrageenan, beta-amylase, soybeans, salt and purified water. The laminarin, the modified anthocyanin and the compound protein play a role through a synergistic effect, the compound protein in the soy sauce is wrapped by the modified anthocyanin to form a compound, a laminarin film is tightly attached to the outer layer of the compound formed by the modified anthocyanin, and the wrapping capacity and the structural stability of the compound are further enhanced; meanwhile, the oxidation process of fat and protein in the soy sauce is slowed down, the modified anthocyanin and a laminarin film interact to maintain the protein content in the soy sauce, laminarin, the modified anthocyanin and compound protein form a dynamic balance system, the nutritional value and quality of the soy sauce are improved, and the soy sauce with high protein content is provided.