19results about How to "High market value" patented technology

The invention relates to the technical field of photovoltaic modules, and particularly discloses a tetraphenyl ethylene-benzotriazole derivative compound and application thereof in the photovoltaic field. The absorption spectrum of the tetraphenyl ethylene-benzotriazole derivative compound disclosed by the invention can be subjected to red shift to 420 nm, so that high-energy ultraviolet light can be completely absorbed; the maximum emission wavelength of a fluorescence emission spectrum is more than 440nm and even can reach 500nm, so that the light utilization level of the crystalline silicon solar cell is improved; the absolute light-emitting quantum efficiency is very high, and the converted wavelength can be better utilized by a photovoltaic device. The substituted tetraphenyl ethylene part contained in the derivative compound has AIE performance, and the fluorescence quenching effect of traditional small organic molecules in high concentration, solid state and aggregation state is avoided. The light conversion film can overcome the problem that the fluorescence quantum yield is remarkably reduced in the laminating process, the performance of the film is not affected when the phenomena of precipitation, agglomeration and the like of auxiliaries in the film occur, and the light conversion film is used for preparing a photovoltaic module.

The present application provides a kind of polypeptide, wherein the polypeptide has the amino acid sequence as shown in SEQ ID NO.1 or the amino acid sequence as shown in SEQ ID NO.2;The inventors of the present application prepare a kind of high activity peptide mixture by the process of pearl powder enzymolysis, ultrafiltration, freeze-drying etc., the high activity peptide mixture has the efficacy of whitening, anti-aging etc.On this basis, the present application obtains two polypeptides SEQ ID NO.1, SEQ ID NO.2, the amino acid sequence of the SEQ ID NO.1 is TKLDHAVT, the amino acid sequence of the SEQ ID NO.2 is VPGF;In another embodiment of the present application, the inventors of the present application obtain polypeptide SEQ ID NO.1, SEQ ID NO.2 by self-synthesis method.In some specific embodiments of the present application, the inventors of the present application find that the aforementioned two polypeptides SEQ ID NO.1, SEQ ID NO.2 have significant melanin inhibitory activity.

The utility model relates to fruit picking technical field, and disclose a kind of high fruit picker, including annular, the inside one side of annular is fixedly connected with mounting bracket, the one side of mounting bracket is equipped with threaded hole, the top of mounting bracket is threadedly connected with blade, the bottom of annular is fixedly connected with anti-falling net, the bottom of anti-falling net is fixedly connected with air bag, the one side of air bag is fixedly connected with inflation port, the one side of inflation port is fixedly connected with plug, one end of anti-falling net is fixedly connected with circular support, the bottom of circular support is fixedly connected with base, the bottom of base is fixedly connected with ground insertion.This high fruit picker is set by setting anti-falling net, air bag, plug, circular support and ground insertion, without picking one fruit each time to be picked down and placed fruit picker, avoid the time wasted by frequent lifting picker, greatly improve picking efficiency, more fruit picking work can be completed in shorter time, satisfy the demand of large-scale fruit picking of agriculture.

The application discloses a sweet potato soilless tuberization cultivation system and method. In view of the fact that existing sweet potato production cannot get rid of solid substrates such as soil, and is restricted by upgrading of cultivation technology and product value positioning, the sweet potato soilless tuberization cultivation technology of the application adjusts the number and single weight of tubers by controlling environmental air pressure conditions. The cultivation system comprises a culture box and a regulation system, the culture box is divided into a nutrient bin and a tuberization bin, the tuberization bin is provided with seedling holes and has an airtight structure, and the regulation system monitors and regulates the culture conditions in the culture box. The culture method is a stage regulation culture technology, and the continuous long-term tuberization production can be realized through the tuberization period regulation culture. The application solves the key technical problem that all existing soilless cultivation technologies of sweet potato need to use solid substrates to press vines to induce tuber enlargement to realize tuberization, is a completely soilless cultivation technology of sweet potato, introduces the sweet potato cultivation technology into a new stage, and provides a scientific basis and production control means for stable small-scale sweet potato production.

This invention discloses a process for preparing phenolic products from 2,4-xylenol / 2,5-xylenol. A mixture of 2,4-xylenol / 2,5-xylenol is added to a reactor containing a silica-alumina-chromium oxide and an acidic catalyst. A dealkylation reaction is carried out at 280–400°C. During the reaction, o-isopropylphenol and 2-methyl-6-ethylphenol remove propylene and ethylene, yielding a mixture of phenols and olefins containing phenol, cresol, and 2,4-xylenol / 2,5-xylenol. The mixture is then rapidly cooled and liquefied, and discharged. Olefins are extracted and distilled to obtain high-purity 2,5-xylenol / 2,4-xylenol, free from o-isopropylphenol, 2-ethyl-6-cresol, etc.; propylene is reacted with m-cresol by controlling the reaction temperature to obtain thymol, 4-isopropyl-3-cresol, etc., and ethylene is reacted with phenol to obtain o-ethylphenol and p-ethylphenol; this invention removes the ethyl group from 2-ethyl-6-cresol and the isopropyl / propyl group from o-isopropylphenol in alkylphenols at high temperature to obtain purified 2,5 / 2,4-xylenol products, producing high-purity products.

This invention belongs to the field of food processing technology, specifically relating to a fermented frozen dough food composition and its application, as well as fermented frozen dough. This invention utilizes flour with a wet gluten content of 20-24 wt% and an extensibility of 140-160 mm at 45 minutes, while controlling the pre-proofing process to ensure the volume after proofing is 1.4-1.6 times the volume before proofing. This improves the quality of fermented frozen dough foods without the use of quality improvers, solving problems such as shrinkage, collapse, wrinkling, stickiness, and lack of softness in traditional Chinese fermented frozen dough foods that require thawing and proofing. The resulting frozen dough products can be directly heated without thawing and proofing, exhibiting no shrinkage or collapse after heating, a smooth surface, and high scores in appearance and taste. This technology, which eliminates the need for improvers, is safer and has higher market acceptance. It is suitable for producing frozen steamed buns, dumplings, twisted rolls, and leavened pancakes, among other traditional Chinese fermented dough foods, and has a wide range of applications and high market value.

The invention discloses a green ceramic chip, a ceramic substrate and a preparation method, and relates to the technical field of electronic ceramics. According to the invention, the raw ceramic chip with a specific ratio is designed, the ceramic substrate containing multiple layers of raw ceramic chips is designed on the basis of the raw ceramic chip, and the ratio of the raw ceramic chip of each layer is controlled to enable the thermal expansion coefficient of each layer to meet gradient change, so that the problem that CTE of heterogeneous materials in system-level packaging is not matched is effectively solved; in addition, the green ceramic chip is higher in mechanical strength and heat conductivity coefficient, and the prepared ceramic substrate has higher impact resistance and can adapt to more application scenes.

This invention discloses a negative carbon lightweight aggregate based on CO2 mineralization of coal-based solid waste and its preparation method, belonging to the technical field of solid waste resource utilization and low-carbon building materials. The method uses coal-based solid waste such as fly ash and coal slag as main raw materials, introducing uniform micropores through spray granulation with a trace amount of hydrogen peroxide solution. After pre-curing and drying, it is then mineralized and solidified using a low-concentration CO2 atmosphere. This method eliminates the need for cement or other cementing materials, resulting in low cost and no indirect carbon emissions. Furthermore, by synergistically controlling the hydrogen peroxide foaming and CO2 mineralization enhancement processes, the bulk density of the aggregate is significantly reduced; the resulting aggregate has a low bulk density (630~860 kg / m³). 3 With a compressive strength of 4.1~6.0MPa and a water absorption rate of 14~20%, it can meet the requirements of super high-rise buildings, large-span structures, prefabricated components, and the reinforcement and renovation of old buildings, significantly increasing the applicability and economy of coal-based solid waste lightweight building aggregate.

The application provides a two-dimensional semiconductor stacked device structure and a preparation method thereof, and realizes three-dimensional vertical stacking of a two-dimensional semiconductor device through a first interlayer dielectric layer and a second interlayer dielectric layer bonding process, effectively solves the problems of organic residue introduction, material folding and fracture and other problems commonly seen in the traditional two-dimensional semiconductor film transfer process, thereby significantly enhancing the integrity and long-term working stability of the stacked structure. At the same time, a high-efficiency interlayer isolation barrier is constructed by using the dielectric layer of the bonding interface, high-efficiency electrical isolation between the two two-dimensional semiconductor layers is realized, the threshold voltage crosstalk problem in the existing stacked structure is solved, independent and accurate adjustment of the threshold voltage of the upper and lower layer transistors is realized, and greater flexibility is provided for device performance optimization.

This invention provides a chitosan-based edible film with a nano-network structure, its preparation method, and its application. The preparation method includes the following steps: 1) Adding zein to water, adjusting the pH, and then adding a phosphorylation reagent to obtain a mixed solution. After dialysis, centrifugation is performed, and the supernatant is freeze-dried to obtain phosphorylated zein nanoparticles; 2) Adding microcrystalline cellulose to FeCl3·6H2O solution, heating in a water bath, vacuum filtering, washing the precipitate until white, and freeze-drying the obtained precipitate to obtain cellulose nanocrystals; 3) Preparing a coating solution: Adding the phosphorylated zein nanoparticles and cellulose nanocrystals to a chitosan hydrochloride solution to obtain a coating solution; 4) Adding a plasticizer to the coating solution, ultrasonically degassing, and then pouring the mixture onto an acrylic plate to naturally form a film, thus obtaining an edible film. The chitosan-based edible film prepared by this invention can be used to reduce cherry cracking when exposed to rain. It is safe and non-toxic and has high market value.

The invention discloses an accurate matching method for radial clearance of a double-half-inner-ring angular contact ball bearing, and relates to the technical field of bearing manufacturing. In order to solve the problems that an existing method has very strict requirements on the consistency of the eccentricity and the groove curvature radius of a bearing inner ring, fluctuation exceeding 0.005 mm cannot exist, otherwise, a great difference exists between a theoretical matching radial clearance and an actual matching radial clearance, so that the actual matching radial clearance value is out of tolerance, unqualified products are generated, and the production efficiency is low. After two indexes di and L which cannot be accurately detected in an original formula are eliminated, an optimized formula Gr = De-D is calculated through the radial matching clearance, the diameter size of an outer compound circle is obtained only by measuring D after the D passes through a bearing inner ring and a steel ball assembly, and accurate control over the matching radial clearance of the double-half-inner-ring angular contact ball bearing is achieved, so that the accuracy of the matching radial clearance of the double-half-inner-ring angular contact ball bearing is improved, and the accuracy of the matching radial clearance of the double-half-inner-ring angular contact ball bearing is improved. After the matching radial clearance value is detected by a special instrument, the coincidence rate of the matching radial clearance value and the matching radial clearance value can be controlled within 0.001 mm, so that the matching rate of the bearing is greatly improved, and the production efficiency is improved. The method is suitable for bearing manufacturing.

This utility model belongs to the technical field of lighting decoration components, and discloses a PCB light painting based on an intelligent dimming chip and capable of multiple mode switching. It includes a housing, with a display area and a button area on the front and a power socket on the side. A PCB base plate is installed inside the housing, with connectors installed at the four corners of the PCB base plate. One side of the PCB base plate is mounted to the back of the housing via the connectors, and the other side of the PCB base plate is connected to a PCB top plate via the connectors. The PCB base plate includes a first substrate, a first top layer solder mask, a first top layer silkscreen layer, components, a first bottom layer solder mask, and a first bottom layer silkscreen layer. The components include a power supply interface circuit, an SGL8022W touch dimming chip circuit, an LED ceramic filament circuit, and a mechanical connection circuit.

The application discloses an activated ethanol dehydrogenase bird's nest peptide and application thereof, and belongs to the technical field of functional polypeptides. The amino acid sequence of the activated ethanol dehydrogenase bird's nest peptide provided by the application is PLLW, can chelate an active center of ethanol dehydrogenase (ADH), helps to prevent oxidation of ADH and further maintain normal protein molecular structure of ADH during alcohol metabolism; the application further provides a bird's nest peptide powder containing the activated ethanol dehydrogenase bird's nest peptide, the bird's nest peptide powder can effectively improve an alcohol catalytic conversion rate of ADH, has a good effect of promoting alcohol metabolism, can be applied to development of various alcoholism-relieving products, and has high market value.

The application discloses a system and method for adaptive division of quantization intervals integrated in an image sensor, which comprises the following steps: firstly, a single-slope analog-to-digital converter with a fixed slope k1 is used to collect a cell image to obtain a quantization result before a normal cell image is collected; then, a first-order edge detection of the image is realized through an Up-down counter; the edge detection result is fed back to a column-shared configurable slope generator to output two different slopes k2 and k3; finally, the image sensor system normally collects the cell image, the column-shared configurable slope generator outputs the slope k2 for quantization in a background or an unattended gray interval, and the column-shared configurable slope generator outputs the slope k3 for quantization in a cell or an attended gray interval; the application effectively solves the problems of complex system operation and high professional operation requirement caused by the fact that the existing multi-slope analog-to-digital converter cannot adaptively divide quantization intervals according to different cell types.

The invention discloses a building waste green recycling system, and relates to the technical field of building waste crushing and recycling, the building waste green recycling system comprises a support, the upper end face of the support is obliquely fixed with a feed inlet; the conveying assembly is mounted in the feeding hole; the crushing bin is fixed to the upper end face of the support and communicates with the feeding port. The separating assembly is mounted in the crushing bin; the aggregate bin and the steel bar bin are both fixed in the support and located below the crushing bin; wherein the separation assembly comprises a rubbing assembly and a crushing assembly, one end of the rubbing assembly is hinged to the interior of the crushing bin, the other end of the rubbing assembly is hinged to the output end of a cylinder body, the cylinder body is hinged to the outer wall of the crushing bin, and the crushing assembly is installed in the crushing bin and located above the rubbing assembly.

The invention belongs to the technical field of animal breeding, and particularly relates to application of a heptadecanoic acid compound to improvement of animal growth performance. Research finds that the heptadecanoic acid compound can significantly improve the growth performance of animals, specifically, the feed intake and daily gain of the animals are significantly improved, and the feed-to-weight ratio is reduced, so that the slaughtering speed of the animals is accelerated, and higher market value is generated. The invention effectively improves the growth performance of animals, and has important significance and application value in the animal breeding industry.

This invention discloses a clear, stable, and low-irritant plant-based compound beverage, its preparation method, and its application. The beverage is formed by the in-situ self-assembly of polyphenol-containing plant extracts and small-molecule food-derived oligopeptides in an aqueous solution, creating nano-complex particles with an average particle size of 80–200 nm, a Zeta potential of -25 to -40 mV, and a PDI ≤ 0.3. It contains no added exogenous stabilizers, thickeners, flavoring agents, fragrances, or colorings. After 30 days of accelerated clarification at 37°C, no precipitation occurs, with a turbidity ≤ 5 NTU and a light transmittance ≥ 90%, effectively masking bitter and spicy irritations. The plant extracts are a compound of kudzu root, Japanese raisin tree fruit, chrysanthemum, poria cocos, monk fruit, ginger, and yam, with a polyphenol to oligopeptide mass ratio of 3:4. The product can relieve dry mouth and throat discomfort caused by alcohol consumption, staying up late, and smoking. The process is simple and suitable for industrial production.

The application discloses a balanced quick-response self-locking valve and a working method, and solves the problems of slow opening response speed and low reliability of a self-locking valve in the prior art. The application comprises a valve body and a pilot valve. The valve body is a three-way valve body, and a balanced movement rod is arranged in the valve body. The pilot valve is connected to the valve body through an adapter disc. A piston cavity is formed between the pilot valve, the adapter disc and an outlet channel B of the valve body. A piston is arranged in the piston cavity in a floating manner. The piston is fixed to the top of the balanced movement rod. The balanced movement rod passes through the outlet channel B and an inlet channel of the valve body and corresponds to an outlet channel A of the valve body. A double-valve core assembly is arranged at the bottom of the balanced movement rod. The application introduces medium into the piston cavity through two balanced cavities. Because the upper and lower action areas of the piston are different, the medium forces are different, a pressure difference is generated, the piston is driven to move through the pressure difference, and then the double-valve core assembly is enabled to quickly open and close the outlet, quick response is realized, the reliability of the self-locking valve is improved, and the effective operation of the whole system is ensured.

This invention discloses a highly accurate Chinese spelling checking method, system, and medium. The method includes the following steps: acquiring a corpus to be used, configuring a replacement table to be used, and generating near-phonetic error samples and near-shape error samples to be used based on the corpus; training a decision model to be used based on the corpus, and training a checking model to be used based on the near-phonetic and near-shape error samples; and performing text checking and error correction operations on the acquired text to be checked based on the replacement table, the trained decision model, and the checking model. This invention can efficiently generate high-quality and highly realistic training samples, and can detect errors in Chinese text by independently setting the trained error detection model and post-processing decision model, and perform high-quality error correction judgment after error detection, further reducing the model's error correction rate and improving the correction quality, thus opening up a new method for Chinese spelling error detection.