13results about How to "Change color quickly" patented technology

The invention provides an application of a PavERF110 gene in regulating and controlling the ripening direction of sweet cherry fruits, and belongs to the technical field of molecular breeding. The nucleotide sequence of the PavERF110 gene is as shown in SEQ ID NO.1, and the amino acid sequence of the encoded protein of the PavERF110 gene is as shown in SEQ ID NO.2. The invention also provides an overexpression vector and a VIGS gene silencing vector constructed by the gene, a construction method of the overexpression vector and the VIGS gene silencing vector, and a recombinant microorganism containing the vectors. Engineering bacteria containing related carriers are injected and infected at the equator of the fruits 25 days after the sweet cherries blossom, and it is found that overexpression of the PavERF110 gene can accelerate fruit coloring and increase the expression level of the mature related genes. New technical support and theoretical basis are provided for sweet cherry fruit quality improvement and ripening regulation, market requirements can be met, and meanwhile understanding of a fruit ripening transcription regulation mechanism is deepened.

According to the rapid testing method for the discoloration of the copper ion wall coating, the defects that in an existing discoloration test, the discoloration test period of the copper ion wall coating is long, and the discoloration is slow can be overcome, the discoloration of copper ions can be more obvious by arranging different test matrix partitions on a gypsum board and combining new special test putty, and the discoloration of the copper ions can be more uniform. Meanwhile, the oven heating drying is added, the reaction speed can be increased, and the test period is shortened. In addition, the equal transverse division parts are added in the optimization scheme, so that the color change condition of the copper ion wall coating on different base materials can be tested synchronously.

A viologen coordination compound crystal and a preparation method thereof, wherein the structural formula of the crystal is shown in formula (I): wherein BTC is pyromellitic acid. The present invention uses viologen molecules (Bcnbpy·2Cl) as a guest and the oxygen atom of the carboxyl group of pyromellitic acid as an electron donor to provide a multifunctional color-changing material that can respond to ultraviolet light and blue light and also has an organic amine-induced color-changing function. The preparation method of the present invention has non-toxic raw materials, a simple method, no pollutant emissions, and is suitable for large-scale production.

This invention discloses a method for window-type fruiting of shiitake mushrooms, including steps such as mixing substrate, bagging, sterilization, inoculation, mycelium cultivation, color change, window opening, bud induction and fruiting, and water replenishment. This invention, through semi-removal bag fruiting, achieves some advantages of both bag-free and bag-free fruiting modes. By retaining the non-window portion, the water retention capacity of the substrate is enhanced; by opening the fruiting window, the time-consuming and labor-intensive process of cutting individual mushroom buds is avoided, and the cleanliness of the mushrooms is ensured. Compared with traditional fruiting techniques, this invention has significant advantages in substrate water retention, mushroom uniformity, and the rate of high-quality mushrooms, making it suitable for shiitake mushroom cultivation in both northern and southern regions.

The utility model relates to the technical field of hot runner injection molds, in particular to a color changing structure, a hot runner nozzle and a hot runner system.The color changing structure is characterized in that an annular end cover annularly sleeves the periphery of a valve needle and is located in a gap between the outer end face of a flow guide shuttle and the inner wall of a mold open frame cavity; the sleeve part and the annular end cover are integrally formed, and the sleeve part is arranged on the periphery of the flow guide shuttle extending part in a sleeving mode. The annular end cover and the sleeve part are formed by solidifying molten plastic; according to the color changing structure formed by solidifying the molten plastic, an existing color changing cap is removed, the problems that the color changing cap is prone to damage and needs to be replaced frequently are solved, the product quality is greatly improved, and the production cost is reduced.

The invention belongs to the technical field of garden plant maintenance, and discloses a color-leafed plant color freshener and a preparation method and application thereof.The color-leafed plant color freshener is prepared from, by weight, 0.05-0.35 part of ethephon, 4-10 parts of microelements, 8-15 parts of amino acid, 10-40 parts of perilla seed oil, 0.1-0.5 part of surfactant, 10-20 parts of glucose, 0.02-0.05 part of preservative, 1-3 parts of penetrant and 500-1000 parts of solvent. The use method of the color freshener for the color-leafed plant is simple, and the technical effects of regulating and shaping the leaf color and prolonging the leaf falling time can be achieved only by simply spraying the outer part of the plant without additionally supplementing fertilizer.

The invention discloses a leak detection device and a leak detection method for manufacturing PRO gas cylinders, comprising a detection box, both sides of the interior of the detection box are movably connected with fixed frames, the bottom ends of the two fixed frames are fixedly connected with an operation box, the operation box comprises a bag net, a movable groove and a dust collecting box, the bag net is located at the top of the movable groove, the dust collecting box is located at the bottom of the movable groove, the inner wall of the movable groove is movably connected with a draw box, the top of the draw box is provided with a water storage tank, the adjacent sides of the two fixed frames are movably connected with a rotating shaft, the adjacent ends of the two rotating shafts are fixedly connected with a storage barrel, and the outer wall of the storage barrel is provided with a plurality of discharge ports. The invention discloses a leak detection device and a leak detection method for manufacturing PRO gas cylinders, when the storage barrel is pushed to move, the movable wheel contacts the airbag, and the pinballs placed in the airbag are of different sizes and heights, thereby driving the storage barrel to bump while moving, and evenly sprinkling the dust of the internal device onto the bag net to achieve the effect of uniform discharge.

The utility model discloses a production device for syrup, and belongs to the technical field of syrup production equipment. Which comprises a bottom conveying belt and is characterized in that auxiliary conveying structures are arranged on the left side and the right side of the bottom conveying belt correspondingly, each auxiliary conveying structure comprises a mounting plate, first feeding rollers are arranged on the two sides of the top of each mounting plate correspondingly, and a conveying belt is connected between the two first feeding rollers in a sleeved mode; the through groove is formed between the two adjacent conveying belts, the label paper ring is arranged in the through groove, and due to the fact that the thickness of the conveying belts is small, when one side of the conveying belts is stained with liquid, the label paper ring can be wetted inwards through the through groove, the color of the label paper ring can be rapidly changed, and RGB digital optical fiber sensors arranged at the two ends of the inner ring are matched. Different colors can be quickly sensed, so that judgment is made, whether front-end filling leaks liquid or not is detected, and personnel can be quickly provided for overhauling.

The application discloses an intelligent color-changing light source system, and relates to the technical field of LED intelligent lighting; a power management module receives a mode switching instruction issued by a micro control module, and switches the operation condition according to the load demand corresponding to color output; a driving module receives a PWM pulse signal issued by the micro control module, and adjusts the driving current of an RGBW four-channel LED array module; a color perception module is used for collecting ambient light intensity, color temperature and color distribution data in real time, and transmitting the data to the micro control module for color adaptation and calibration; a closed-loop feedback adjustment module obtains color deviation through difference calculation based on the data collected by the color perception module, in combination with preset color parameters, and transmits the color deviation to the micro control module; the micro control module generates a calibration signal and sends the calibration signal to the driving module, so as to correct the driving current of each channel of the RGBW four-channel LED array module. The application can meet the requirements of low power consumption, fast response and high color precision.

The application discloses a kind of high transparent photochromic polyester film and preparation method thereof, the film is composed of photochromic polyester layer, the photochromic polyester layer contains in-situ polymerized, surface-modified inorganic photochromic nanoparticles, the haze of the film is ≤3%, color change occurs within 5 seconds under sunlight irradiation.The high transparent photochromic polyester film provided by the application has high transparency, fast color change, excellent stability and green environmental protection, etc., can meet the stringent requirements of intelligent window film, high-end anti-counterfeiting, optical devices and other fields, and has extremely high application value and market prospect.

The invention discloses a grape protection bag for coloring grape varieties difficult to color in a hot area and a use method thereof, and relates to the technical field of grape planting. The grape protection bag comprises a reflective upper bag body and a reflective cup body, an opening is formed in the lower end of the reflective upper bag body and connected with a cup opening of the reflective cup body, and a closed reflective containing cavity is defined by the inner wall of the reflective upper bag body and the inner wall of the reflective cup body; a plurality of light-transmitting holes are formed in the top of the reflective upper bag body, and waterproof films for transmitting light and ventilating are arranged at the light-transmitting holes; the reflection cup body sequentially comprises a protection layer, an aluminum plating layer and a cup body base layer from inside to outside. And the reflective upper bag body sequentially comprises a protective layer, an aluminized layer and an upper bag body base layer from inside to outside.

The invention discloses a preparation method of phenolphthalein functionalized polyacrylonitrile fiber, which belongs to the technical field of functional materials, and is prepared by the following preparation method: pretreatment of polyacrylonitrile fiber: putting polyacrylonitrile fiber into distilled water, refluxing under magnetic stirring, filtering, washing with distilled water, and drying the washed fiber for later use; amination reaction: carrying out addition reaction on the pretreated polyacrylonitrile fibers and triethylene tetramine, and grafting amido onto polypropylene fibers to prepare aminated polyacrylonitrile fibers; and preparation of the phenolphthalein functionalized polyacrylonitrile fiber: adding the aminated polyacrylonitrile fiber and phenolphthalein into a formaldehyde aqueous solution and ethanol, and carrying out a reflux reaction to obtain the phenolphthalein functionalized polyacrylonitrile fiber. The pH value range of color change of the phenolphthalein functional polyacrylonitrile fiber is 10-13, the phenolphthalein functional polyacrylonitrile fiber can rapidly change color when responding to organic alkali, and the phenolphthalein functional polyacrylonitrile fiber does not change color after being soaked in the organic alkali for 12 hours and is good in stability; the color-changing response time is short, and the color is changed within 1s.

The utility model discloses a quick color changing welding type splitter plate, which relates to the technical field of hot runners, comprises a splitter plate body, and is characterized in that the splitter plate body comprises a body unit I, a runner groove, a lead-out port, a corner, a body unit II and a lead-in port. According to the welding type splitter plate capable of achieving rapid color changing, the runner groove opposite to the first body unit is formed in the lower plane of the second body unit, the runner groove and the first body unit are combined to form a complete resin runner, the second body unit and the second body unit are seamlessly fixed through vacuum diffusion welding, the plane smoothness is guaranteed through large water grinding, and cleaning and rapid color changing are facilitated; molten resin is introduced into a leading-in opening in the middle of the upper plane of the second body unit through the sprue body from an injection molding machine nozzle and flows to leading-out openings in the tail ends of the branch runners through the main runner, when color changing is needed, the resin runner is cleaned through a pouring nozzle material until the resin runner is clean, the temperature of the hot runner is adjusted to the normal forming temperature after cleaning, and color changing is completed. Color changing verification can be started, and a color changing result is confirmed.