10results about How to "Keep the color" patented technology

The invention relates to the field of tea beverages, in particular to a litsea coreana beverage and a preparation method thereof.The litsea coreana beverage is composed of litsea coreana soup, baking soda, vitamins and water, the sugar degree of the litsea coreana beverage is 0.04-0.17%, and the pH value of the litsea coreana beverage is 5.5-6.5. The problems that an existing hawk tea beverage lacks the characteristic flavor of hawk tea and contains many additives can be solved.

The application discloses a fabric yellowing reagent and a fabric yellowing method, and relates to the technical field of daily chemical products. 5 The fabric yellowing reagent comprises 1-3% of histidine solution and a bacterial suspension with a bacterial concentration of 1*10 5 CFU / mL-9*10 The bacteria are a mixture of one or more of Staphylococcus epidermidis and Micrococcus luteus; the solvent of the histidine solution is normal saline containing 0.15-1% of trypsin peptone; and the solvent of the bacterial suspension is normal saline containing 0.1-0.2% of trypsin soybean peptone liquid culture medium. The fabric yellowing reagent can be used for simulating fabric yellowing, and has good operability, reproducibility and data reliability.

This application relates to the field of laundry detergent processing technology, specifically disclosing a color-protecting and color-preserving compound additive, its preparation method, and its application. The color-protecting and color-preserving compound additive is mainly composed of the following raw materials in parts by weight: 10-20 parts polyvinylpyrrolidone, 15-25 parts modified starch, 3-5 parts dihydrazine adipic acid, 15-25 parts sodium carbonate, 6-10 parts sodium carboxymethyl cellulose, 8-12 parts zeolite 4A, 8-12 parts sodium sulfate, and 11-15 parts water. The modified starch is obtained by first grafting starch with 3-chloro-2-hydroxypropyltrimethylammonium chloride and 1-chlorohexane-5-en-2-ol, and then polymerizing it with diacetone acrylamide. This color-protecting and color-preserving compound additive, with the addition of polyvinylpyrrolidone to the raw materials, synergistic effects with the modified starch, and cross-linking with dihydrazine adipic acid, exhibits high color-protecting and color-preserving effects, maintaining the original color of clothing, extending the service life of clothing, and meeting market demand.

The utility model relates to a device for manufacturing and displaying a soil layer specimen. The device comprises a display box (1), a liquid injection assembly (2) for injecting a transparent adhesive fixing agent into the display box, and a gas extraction and injection assembly (3) for extracting or injecting gas into the display box (1), a display soil body (4) is arranged in the display box (1), the liquid injection assembly (2) comprises a grouting pipeline (21) communicated with the interior of the display box (1) and a micro grouting pipeline (22) arranged in the display soil body (4), and the gas extraction and injection assembly (3) comprises a gas pipeline (31) communicated with the interior of the display box (1). Compared with the prior art, the device has the advantages that a soil layer does not need to be remolded, and an original soil sample is directly used for manufacturing and displaying.

The application discloses a low-illumination image enhancement method based on an improved Retinex algorithm, and applies to the technical field of image enhancement, and comprises the following steps: performing discrete wavelet decomposition on a low-illumination image to obtain low-frequency and high-frequency components of the image; converting the low-frequency component into HSV, separately performing brightness correction on a V channel, then converting back to RGB, performing bilateral filtering, and then converting to HSV to extract the V channel; performing image enhancement on the low-frequency component by using an improved Retinex algorithm based on a joint weighting of a bilateral filter and a Gaussian filter as a new center-surround function, and performing median filtering processing, then converting to HSV to extract the V channel; weighting and fusing the two V channels, retaining the H and S channels after algorithm enhancement, then converting back to RGB, performing discrete wavelet fusion with the high-frequency component after denoising, and stretching and outputting the enhanced low-illumination image. The application can effectively guarantee the color, edge details and avoid local distortion of the image.

The invention relates to a safety helmet detection method and system under a low-light condition. The method comprises the following steps: acquiring an optical enhanced image corresponding to an optical image based on an image enhancement framework combining deformable convolution, MSR and MSRCR; and carrying out feature fusion on the optical enhancement image and the infrared image to obtain a fusion feature map, and carrying out target detection based on the fusion feature map to obtain a detection result of the safety helmet. The infrared image and the optical image are fused, so that the defect of the optical image in a low-light environment can be overcome, and the accuracy and robustness of safety helmet detection are improved; meanwhile, an image enhancement frame combining deformable convolution, MSR and MSRCR is adopted to carry out image enhancement on the illumination image, local details and contrast can be highlighted while the overall brightness and color of the image are kept, which is very important for distinguishing safety helmets of different colors and keeping visual reality in a complex background. And it is ensured that the detection system has higher adaptability to a color-sensitive environment.

The invention relates to the technical field of tobacco baking, and provides a baking process based on the quality of fresh tobacco leaves of Xiangyan No.7. The baking process comprises the following steps: S1, carrying out near infrared spectrum scanning on harvested fresh tobacco leaves to obtain near infrared spectrum data of each tobacco leaf; s2, dividing the near infrared spectrum data into a training set and a test set; s3, taking the near infrared spectrum data of each tobacco leaf in the training set as an input vector, inputting the input vector into a self-organizing neural network model for clustering, and dividing the tobacco leaves into three subsets; s4, aiming at the three divided subsets, baking process parameters are optimized according to a three-section baking process, and the three-section baking process comprises a yellowing period, a color fixing period and a stem drying period; and S5, performing near infrared spectrum scanning on newly harvested tobacco leaves, classifying the newly harvested tobacco leaves through the self-organizing neural network model, determining subsets to which the newly harvested tobacco leaves belong, and according to the baking process curves corresponding to the subsets, sequentially executing the baking processes of a yellowing period, a color fixing period and a stem drying period.

The invention discloses a fresh-keeping method for reducing high-temperature damage of litchi peels. The method comprises the following steps: soaking litchis in a propylene glycol solution, taking out the litchis, airing, soaking the litchis in a glutathione solution, and carrying out quarantine high-temperature treatment. The moisturizing and antioxidant treatment method can effectively prolong the shelf life of the litchis and reduce the problem of quality degradation after high-temperature treatment, so that the litchis keep good commodity value in the export process.

The present disclosure relates to a mobile terminal and a control method thereof. The mobile terminal includes: an electrochromic module, a detection module, a charging circuit and a control unit, wherein the electrochromic module includes a first electrode and a second electrode; the detection module is used to detect the voltage difference between the first electrode and the second electrode, and is connected to the first electrode, the second electrode and the control unit; the charging circuit is used to connect a power supply, and is connected to the first electrode, the second electrode and the control unit; the control unit determines whether the voltage difference reaches a set threshold value, and when the voltage difference reaches the set threshold value, the control unit controls the charging circuit to charge the electrochromic module. It is possible to promptly detect the situation where the display color effect of the electrochromic module becomes lighter, and the electrochromic module can be charged in time to maintain the color effect. Thereby, the color displayed by the electrochromic module remains stable.

The utility model relates to the technical field of traditional Chinese medicine decoction piece storage, and discloses a traditional Chinese medicine low-temperature moisture-proof storage device which comprises a device shell, a sliding rod is fixedly connected to the right end of the inner wall of the device shell, a refrigeration box is fixedly connected to the left end of the device shell, and a water inlet is fixedly connected to the left side of the front end of the refrigeration box and penetrates through the refrigeration box. The right side of the front end of the refrigeration box is fixedly connected with a water outlet and penetrates through the water outlet, a suction fan is installed in the middle of the front end of the refrigeration box, the outer wall of a sliding rod is connected with a plurality of containing plates through a storage assembly, the inner wall of the refrigeration box is fixedly connected with a fixing plate, and the top end of the fixing plate is connected with a semiconductor refrigerator through a low-temperature assembly. According to the device, when the device is used for storing medicinal materials, the storage space in the device can be adjusted, so that when the device is used for storing the traditional Chinese medicines, the traditional Chinese medicines are stored in a low-temperature and dry environment under the action of air circulation at a low temperature under the action of cold air.