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108results about How to "High market value" patented technology

Negative pressure type fruit picking mechanical arm and control system thereof

The invention relates to the technical field of intelligent agriculture, and provides a negative pressure type fruit picking mechanical arm and a control system thereof.The negative pressure type fruit picking mechanical arm comprises a connecting chassis, a plurality of wheels are rotationally connected to the outer side wall of the connecting chassis, a storage groove is fixedly connected to the outer side wall of the top end of the connecting chassis, and a picking mechanism is arranged at the top end of the connecting chassis; the picking mechanism comprises a connecting frame which is mounted at the top end of the connecting chassis; by integrating an advanced mechanical arm and a visual recognition technology, the robot can accurately recognize and quickly pick crops, the picking efficiency is greatly improved, the robot is particularly suitable for large-scale agricultural production, the crop quality is improved, crop maturity judgment is conducted through deep learning models such as YOLOv5, immature crops are prevented from being picked by mistake, and the crop quality is improved. The quality of picked crops is guaranteed, the market value of agricultural products is improved, the labor cost is reduced, full-process automatic operation is achieved, the labor demand is reduced, the labor cost of agricultural production is reduced, and meanwhile the labor intensity of farmers is relieved.
Owner:JIANGNAN UNIV

Method for extracting ACE inhibitory peptide from tilapia skin

The invention particularly relates to a method for extracting ACE (Angiotensin Converting Enzyme) inhibitory peptide from tilapia skin. The tilapia skin is a by-product rich in collagen, and has important development significance as a screening raw material of the ACE inhibitor. The invention provides a method for extracting an ACE (Angiotensin Converting Enzyme) inhibitor by taking tilapia skin as a raw material, which comprises the following steps of: degreasing the tilapia skin, crushing, adding acid liquor, extracting to obtain fish skin collagen crude protein, adding enzyme into the fish skin collagen crude protein for enzymolysis, and reserving the part with the molecular weight of less than 3kDa in an enzymolysis product, namely the ACE inhibitory peptide. Particularly, the enzyme is a product of bacillus subtilis or bacillus coagulans under gelatin-induced fermentation.
Owner:SHANDONG INST FOR FOOD & DRUG CONTROL +1

Lactobacillus mucilaginosus and application thereof

The invention provides lactobacillus mucilaginosus and application thereof, and belongs to the technical field of microorganisms. According to the present invention, the Latin of the Lactobacillus mucus fermentation is Limosilactobacillusfermentum, the preservation name is Lactobacillus mucus fermentation MQ10, the preservation place is China Center for Type Culture Collection (CCTCC), the preservation date is July 22, 2024, and the preservation number is CCTCC NO: M 20241616. The strain has a broad-spectrum antibacterial effect and can inhibit growth and reproduction of various microorganisms. The biological fresh-keeping product prepared from the fresh-keeping agent can reduce the decay rate of food and the browning rate of fruit stems of fruits and vegetables, maintain the content and hardness of soluble solids, slow down the aging decay speed of the food in the storage period and prolong the storage period. Due to the characteristics, the lactobacillus mucilaginosus is expected to become a green and environment-friendly biological fresh-keeping agent, and the quality and the safety of foods are improved.
Owner:LANZHOU UNIV

Addition type liquid silicone rubber with high refractive index and low haze and preparation method thereof

The invention relates to the technical field of liquid silicone rubber, in particular to high-refractive-index low-haze addition type liquid silicone rubber and a preparation method thereof, and the high-refractive-index low-haze addition type liquid silicone rubber is prepared from vinyl silicone oil, a catalyst, an inhibitor, a cross-linking agent, hydrophobic white carbon black, a white carbon black surface treating agent and the like. According to the method, by regulating and controlling the surface state of the white carbon black and the refractive index of the silicone oil, the addition type liquid silicone rubber with high refractive index, high light transmittance and low haze at the same time is realized, and the addition type liquid silicone rubber is good in mechanical property and fluidity, can adapt to continuous extrusion production, and is suitable for large-scale production. After vulcanization, the Shore A hardness is 50-53, the light transmittance is 94% or above, the haze is lower than 3%, the refractive index reaches 1.54 or above, and the polyurethane resin can be applied to the fields of optical devices, LED packaging and the like.
Owner:HUBEI XINGRUI SILICON MATERIAL CO LTD

Single nucleotide polymorphism (SNP) site combination of beef cattle, screening method, gene chip and application of SNP site combination

The invention discloses a beef cattle SNP site combination, a screening method, a gene chip and application thereof. The SNP site combination comprises SNP sites corresponding to at least part of physical position information in a table 1. The locus combination sheet optimizes and integrates specific gene loci of beef cattle in Hubei and various foreign varieties of beef cattle, is associated with main economic traits of the beef cattle, reduces the number of SNPs unassociated with the traits, reduces the cost, and improves the economic benefits of the beef cattle. The method has high application value in beef cattle character identification, prediction and molecular breeding in a covered variety range.
Owner:WUHAN POLYTECHNIC UNIVERSITY +1

Assembled self-insulating recycled concrete block wall and construction method thereof

The invention discloses an assembled self-insulating recycled concrete block wall and a construction method thereof, wherein the wall comprises a beam-column system, a structural layer and a decorative layer; the decorative layer is fitted with one side of the structural layer; the beam-column system comprises an upper side beam, a lower side beam, a left column and a right column; the structural layer is a multi-layer masonry, and the multi-layer masonry comprises several layers of walls built by main blocks, a layer of walls built by secondary blocks, and end blocks; a left column and a right column are respectively arranged at both ends of the lower side beam; the structural layer is built on the lower side beam and is located between the left column and the right column; an upper side beam is arranged at the top of the structural layer; a first notch and a first convexity are respectively arranged on the outer sides of the left column and the right column; a second convexity is arranged at the top of the upper side beam, and a second notch is arranged at the bottom of the lower side beam. By arranging a special connector to connect the structural layer and the decorative layer, the assembly is convenient and the splicing efficiency can be greatly improved.
Owner:CHINA STATE CONSTRUCTION ENGINEERING CORPORATION +1

Specific DNA sequence for non-destructive identification of genetic sex of escargots in China and identification method

The invention discloses a specific DNA (deoxyribonucleic acid) sequence for non-destructive identification of genetic sex of escargots in China and an identification method, female and male individuals of escargots in China are sequenced, assembled and compared by adopting a PacBio platform CCS (Circle Consensus Sequencing) technology, male and female specific fragments are screened, a specific fragment SEQ ID NO: 1 is obtained according to the difference of the male and female specific fragments, and a primer is designed based on the specific fragment. The genome DNA of the field snail is extracted, the primer pair is used for amplifying in a field snail individual, and the amplification result is subjected to electrophoresis detection, so that the genetic sex can be identified. According to the invention, the problem of deficiency of the sex specific marker of the field snail is solved, and efficient and accurate non-destructive identification of the genetic sex is realized.
Owner:YANCHENG TEACHERS UNIV

Text sentiment analysis method and system of M-BiLSTM model

PendingCN119129576AAccurate Emotional TendencyComprehensive and accurate syntactic parsing resultsBiological modelsNatural language data processingGraphicsSyntactic ambiguity
The invention belongs to the technical field of natural language processing, and discloses a text sentiment analysis method and system of an M-BiLSTM model based on fusion of multiple syntactic parsers, and the method comprises the steps: carrying out the syntactic analysis of input data through a plurality of external syntactic parsers, and obtaining a plurality of syntactic analysis trees; executing a syntactic parse tree fusion algorithm on the parse tree to obtain a new syntactic parse tree, and constructing a corresponding graph structure to obtain a syntactic enhanced graph; the method comprises the following steps of: preprocessing a text, inputting the preprocessed text into a Bert layer module to obtain a dynamic word vector, capturing an important part of context information of the text through an LSTM (Long Short Term Memory) fused with a Mogrimer structure to obtain a hidden context representation of an input sentence, inputting the hidden context representation and a syntactic enhancement graph into a GCN (Graphics Context Network) to extract an important emotion dependency relationship about a specific aspect, and finally performing emotion classification. According to the method, the problem that a syntactic analysis result is inaccurate when a single syntactic analyzer analyzes a complex long sentence with syntactic ambiguity can be effectively solved, so that the sentiment classification accuracy is improved.
Owner:HUBEI UNIV

Meteorological large model-based set-variation hybrid assimilation system and method

The invention belongs to the technical field of atmospheric science, and discloses a set-variational hybrid assimilation system and method based on a meteorological large model, which adopts a physical constraint mode (RANDOMMV) to perform random disturbance on an atmospheric initial field, quickly generates set members based on the strong deduction capability of the artificial intelligence meteorological large model, and improves the set-variational hybrid assimilation efficiency. The member diversity is ensured; and the sampling error is reduced. On the basis, a set-variation hybrid assimilation method is adopted, and a set-variation hybrid assimilation system is constructed by combining a dynamic set background error covariance and a static background error estimated through an NMC method, so that effective assimilation of the multi-source observation data is realized. According to the method, the physical consistency and stability of the AI ensemble forecast members can be ensured. Long-term average static error information derived from a difference field of historical forecast data and flow dependent background error information of ensemble forecast are combined; and dynamic and static combination enhances the robustness of the hybrid assimilation system.
Owner:NANJING UNIV

A method for recovering hydrofluoric acid by comprehensive utilization of fluorine-containing waste acid

The invention relates to the technical field of fluorine-containing waste acid treatment, and in particular to a method for comprehensively utilizing fluorine-containing waste acid to recover hydrofluoric acid, which is used to solve the problem that a large amount of fluorine resources are converted into sludge without economic utilization value in the existing fluorine-containing waste acid treatment method, which not only causes waste of fluorine resources, but also has the risk of secondary pollution. The method is to strip the fluorine-containing waste acid with ultrafine bubbles, and subject a part of the stripped gas to low-temperature water spray treatment to obtain aqueous hydrofluoric acid, and subject the other part of the stripped gas to temperature control to remove water vapor, and then subject it to chemical dehydration and condensation to obtain industrial anhydrous hydrogen fluoride, and subject residual liquid remaining after the ultrafine bubbles are stripped to reaction treatment, and acid solution and fluorosilicate are recovered. Through the reuse of the fluorine-containing waste acid, not only the resource utilization rate is improved, but also the impact on the environment is reduced. In addition, the process flow of the invention is simple and easy to implement, and is suitable for large-scale industrial production.
Owner:SHANGHAI YULU ENVIRONMENTAL PROTECTION TECH CO LTD +1

Maize germ meal slurry adding and drying system

The utility model discloses a corn germ meal slurry adding and drying system which is characterized in that germ meal in a leaching workshop enters a vibrating screen, an oversize outlet is connected with a lower end inlet of a first elevator, and an undersize outlet is connected with a germ meal packaging unit through a small particle discharging conveyor; an outlet in the tail end of the small particle discharging conveyor is also connected with an inlet in the lower end of the first elevator, the upper end of the first elevator is connected with an inlet of the surge bin, an outlet of the surge bin and the corn steep liquor pipe are both connected with the slurry adding mixer, and a discharging port of the slurry adding mixer is connected with the standing bed; a discharging port of the standing bed is connected with an inlet of the belt conveyor through the discharging machine, an outlet of the belt conveyor is connected with the roller dryer, an outlet of the roller dryer is connected with an inlet of the tube bundle dryer, an outlet of the tube bundle dryer is connected with the cooler through the second elevator, and a discharging port of the cooler is connected with an inlet of the smashing machine. And an outlet of the crusher is connected with the pulp adding and packaging unit. The system can improve the added value of products and increase the profit of enterprises.
Owner:MYANDE GRP CO LTD

Public opinion analysis method and system based on data acquisition

The invention particularly relates to a public opinion analysis method and system based on data acquisition. The public opinion analysis method based on data acquisition comprises the following steps: acquiring various public opinion information on the Internet in real time, preprocessing data, and converting the data into structured text data; carrying out word segmentation processing and part-of-speech tagging on the text, carrying out sentiment analysis by utilizing a natural language processing technology, and carrying out site and character feature extraction and classification on entities; similar event aggregation is carried out based on article classification and article content similarity, and the abstract extraction effect is improved by utilizing similarity and a graph center theory thought; and deeply analyzing the public opinion information subjected to sentiment analysis to form a public opinion analysis report. According to the public opinion analysis method and system based on data collection, intelligent analysis of mass public opinion data is achieved, the public opinion monitoring and early warning efficiency is improved, real-time public opinion information service can be provided for users, and high practicability and market value are achieved.
Owner:INSPUR SOFTWARE TECH CO LTD

Emergency diagnosis and treatment information page generation method, RPA process design method and medium

The invention relates to an outpatient and emergency diagnosis and treatment information page generation method, an RPA process design method and a medium, and relates to the technical field of medical information extraction. In the scheme, based on a first RPA process and a third RPA process, structural data in an HIS system and an electronic medical record system are extracted and stored in an information page database; extracting unstructured data in the HIS system and the electronic medical record system based on the second RPA process and the fourth RPA process, extracting a first entity object and a second entity object based on the first entity object neural network identification model and the second entity object neural network identification model, and storing the first entity object and the second entity object in an information page database; and performing correspondence, matching and editing on the data in the information page database and the data items in the structured information page to obtain the information page corresponding to the patient. Compared with the prior art, the method can be suitable for various versions of systems, is better in compatibility, is low in development cost, and is higher in market value and economic value.
Owner:四川互慧软件有限公司

Semiconductor equipment modification method, device and equipment based on real-time filtering

This invention discloses a method, apparatus, and device for retrofitting semiconductor equipment based on real-time filtering. The method includes adjusting the brightness of a light source to obtain a first sampling signal output from a first channel and a second sampling signal output from a second channel; obtaining a first numerical waveform corresponding to the first sampling signal and a second numerical waveform corresponding to the second sampling signal based on threshold adjustment; synchronously acquiring the first rising edge of the first numerical waveform and the second rising edge of the second numerical waveform within the same frame period; and performing real-time filtering on the first and second numerical waveforms based on the earlier rising edge of the first and second rising edges. This invention, through light source adjustment, threshold adjustment, and real-time filtering, filters the positioning sampling signal of a transparent wafer into waveform characteristics corresponding to those of a conventional wafer, enabling the equipment to be compatible with transparent wafer usage scenarios. The retrofitting scheme is simple, low-cost, and improves the equipment's usability and market value.
Owner:无锡卓海科技股份有限公司

Tetraphenyl ethylene-benzotriazole derivative compound and application thereof in photovoltaic field

PendingCN121949226AStrong UV absorption abilitypromote absorptionOrganic chemistryQuantum yieldHigh concentration
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.
Owner:MAISON CHEM

Polypeptide with whitening effect, and preparation method and application thereof

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.
Owner:OSMUN BIOLOGICAL CO LTD

Renewable VOCs adsorbent based on shale gas drilling oil base rock debris deoiling residues and preparation and regeneration method thereof

The invention relates to the field of solid waste resource utilization, in particular to a renewable VOCs adsorbent based on shale gas drilling oil base rock debris deoiling residues and a preparation and regeneration method thereof.The preparation method comprises the steps that the deoiling residues are subjected to first grinding and sieving, sieved powder is collected, and deoiling residue powder is obtained; carrying out acid pickling on the deoiled residue powder by using an acid solution, and centrifugally collecting an acidic precipitate; washing the acidic precipitate with an alkali solution to be neutral, and drying to obtain impurity-removed powder; mixing the impurity-removed powder with sodium hydroxide, adding aluminum hydroxide, and grinding to obtain an alkali fusion reaction system; roasting and cooling the alkali melting reaction system to obtain an alkali melting product; adding deionized water into the alkali melting product, stirring and standing, and collecting a precipitate; and crystallizing the precipitate in a reaction kettle, washing, carrying out suction filtration, and drying to obtain the renewable VOCs adsorbent. According to the method disclosed by the invention, the resource utilization of the deoiling residues is realized, and the recycling of the VOCs adsorbent can be completed through short-time heat treatment in a common environment.
Owner:PUYANG TIANDIREN ENVIRONMENTAL PROTECTION TECH CO LTD

Recycling method of metal vanadium turning waste

The invention provides a recycling method of metal vanadium turning waste, and relates to the technical field of metallurgy, and the recycling method of the metal vanadium turning waste comprises the following steps: S1, treating wire-coil-shaped turning waste, S2, vacuumizing and preheating the treated turning waste, S3, heating and degassing, S4, adding elemental iodine to start iodination, and S5, generating volatile vanadium iodide. And S6, the metal vanadium with the purity being 99.95% or above is obtained, the metal vanadium turning waste can be effectively recycled and reused through the iodination purification technology, due to the wire-coil-shaped structure and gaps of the waste, the iodination reaction is smoothly conducted, and the product quality is improved. The efficient utilization of the waste is promoted, the iodination method utilizes the selective effect of iodine to transfer the metal vanadium from a low-temperature area to a high-temperature area for deposition, so that separation and purification are realized, and the high-value recovery of the metal vanadium turning waste is successfully realized.
Owner:CNMC NINGXIA ORIENT GRP

Sweet potato soilless tuber production system and method

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.
Owner:CHONGQING NORMAL UNIVERSITY +3

Aluminized fastness matt film and preparation method thereof

The invention discloses an aluminized fastness matt film and a preparation method thereof, and belongs to the technical field of functional films. The aluminum-plated firm matt film sequentially comprises an aluminum-plated layer, a core layer and a matt layer from top to bottom, the matting layer comprises a matting master batch, and the matting master batch comprises the following raw materials in percentage by mass: 20-30% of a matting agent, 2-4% of a compatibilizer, 0.05-0.1% of an antioxidant and 65.9-77.05% of polypropylene; the aluminum-plated layer comprises the following raw materials in percentage by mass: 96-99% of heat-sealing master batch and 1-4% of anti-adhesion master batch; the heat-sealing master batch comprises the following raw materials in percentage by mass: 97-99% of polypropylene and 1-3% of polyethylene; the anti-blocking master batch comprises the following raw materials in percentage by mass: 96-99% of polypropylene and 1-4% of synthetic silicon dioxide; the matt film prepared by the invention is a high-fastness aluminum laminated film with large thickness, high aluminum plating fastness, few dark spots on the surface of the aluminum laminated film and stable size, is widely applied to the market, and can be used for labeling and plastic molding in a high-end film.
Owner:ANHUI GUOFENG PLASTIC

A water-emulsifiable paste for controlling resistant grass weeds in rice fields and a preparation method thereof

The embodiment of the present invention discloses a water-emulsifiable paste for preventing and controlling resistant grass weeds in rice fields and a preparation method thereof. The paste comprises, by weight percentage: 1-4% Tolpyralate, 12.5-50% Diquat, 3-5% Cloquintocet-mexyl, 10-30% emulsifier, 5-10% dispersant, 0.1-0.5% defoamer, and the remainder is a carrier; wherein the mass ratio of Tolpyralate, Diquat and Cloquintocet-mexyl is 1.8-2.1:24-26:3-5. The paste provided by the present invention can effectively prevent and control resistant grass weeds in rice fields, is safe for rice, and has a very high market value, so as to solve the problems of poor safety, waste of resources, harm to the environment, and incomplete weed killing encountered by existing agents in the process of preventing and controlling resistant grass weeds in rice fields.
Owner:ZHEJIANG TIANFENG BIOLOGICAL SCI

Dry-type bushing capacitor core multi-defect isomorphic sample preparation and test platform

The invention belongs to the technical field of electrical equipment manufacturing, and discloses a dry-type bushing capacitor core multi-defect isomorphic sample preparation and test platform which comprises a sample preparation system and a test system. The sample wafer preparation system is used for preparing epoxy impregnated paper isomorphic sample wafers containing microcracks, bubbles, point discharge and different damp degrees by accurately controlling the raw material ratio, the pouring process and the curing conditions, so that various defects in an actual dry type sleeve are really simulated. An epoxy resin sample wafer and an epoxy impregnated paper sample wafer which are attached to a dry type core material and structure are designed, preparation raw materials, molecular formulas, characteristics and parameters of the epoxy resin sample and the epoxy impregnated paper sample are provided, and detailed technologies are carried out on the preparation process and equipment used in the preparation process. The insulation sample with the size required by the experiment is obtained; and the preparation process of the subsequent test sample is determined. And secondly, a capacitor core material performance test system is formed, and the accuracy and comprehensiveness of material performance evaluation are improved.
Owner:GUANGZHOU POWER SUPPLY BUREAU GUANGDONG POWER GRID CO LTD

A process for the preparation of a phenolic product from 2,4-dimethylphenol / 2,5-dimethylphenol

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.
Owner:SHAANXI BASTEN TECH CO LTD

Optimized preparation method of methionine based on direct sulfuric acid acidification method and sodium sulfate washing equipment

The present invention relates to the field of methionine production, and in particular to an optimized preparation method of methionine based on a direct sulfuric acid acidification method and a sodium sulfate washing device. Compared with the prior art, the optimized preparation method of methionine based on a direct sulfuric acid acidification method and the sodium sulfate washing device of the present invention are directed to sodium hydroxide hydrolyzate of hydantoin, and ammonia is discharged by adjusting the pH of a sodium sulfate solution to be alkaline, and a methionine concentrate is adjusted to be alkaline to decompose a methionine derivative precursor, and impurities are extracted into beneficial substances by extraction and gas stripping, thereby respectively treating methionine, sodium sulfate, methionine derivatives, formic acid and oil phase impurities generated in methionine production, forming beneficial resources, being environmentally friendly, economical, safe, and having a wide range of market value.
Owner:NINGXIA UNISPLENDOUR TIANHUA METHIONINE CO LTD

A voltage doubler rectifier module and a voltage doubler rectifier circuit using the module

The invention relates to a voltage doubling rectifier module, which belongs to the field of semiconductor electronic devices and is characterized in that it comprises a plurality of pads and at least two chipsets connected in series, wherein each chipset is formed by connecting a first chip and a second chip in series, wherein the first chip adopts a P-type substrate diode chip, and the second chip adopts an N-type substrate diode chip; the chipset is integrated in a package having a plurality of pins, wherein the first chip and the second chip are connected to the relevant pins of the package through relevant pads, and the chipsets connected in series are named the Nth chipset and the N+1th chipset in sequence along the current direction, wherein the second chip in the Nth chipset and the first chip in the N+1th chipset adopt the same pad; the invention integrates N-type substrate and P-type substrate chips into one, thereby realizing rectification from 3 times the voltage to N times the voltage, and further realizing flat packaging of the module and miniaturization of the product.
Owner:SHANDONG JINGDAO MICROELECTRONICS

Beef cattle feed and preparation method thereof

The invention discloses beef cattle feed and a preparation method thereof, and belongs to the technical field of feed and preparation thereof. Comprising the following raw materials in parts by weight: 600-800 parts of vegetable feed, 0.75-5 parts of fermentation liquor and 6-10 parts of an additive, the vegetable feed can be used for preparing silage and is prepared by mixing 20-50% by mass of a rubbing material and 50-80% by mass of a chopping material, the rubbing material is prepared by rubbing the chopping material, the width of the rubbing material is not more than 5mm, and the length of the chopping material is 1-5cm; the fermentation liquor comprises at least one of saccharomycetes, lactic acid bacteria and bacillus subtilis; the additive comprises trace elements and brown sugar; the silage which is sour and fragrant in smell, soft and juicy, good in palatability and rich in nutrition can be prepared, the silage is an excellent feed source for beef cattle, the growth nutrition of the beef cattle is more balanced, the appetite of the beef cattle is promoted, and the aims of promoting food intake of the beef cattle and improving the meat quality of the beef cattle are achieved, so that the benefits of beef cattle breeding are greatly improved.
Owner:YUNNAN YANGRUI TECH GRP +1

A fermented frozen pasta food composition, use thereof and fermented frozen pasta food

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.
Owner:WILMAR SHANGHAI BIOTECH RES & DEV CENT

Green ceramic chip, ceramic substrate and preparation method

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.
Owner:GUANGDONG HUANBO NEW MATERIAL CO LTD +1

Natural meat-flavored soy sauce derived from soybeans and wheat and preparation method thereof

ActiveCN112772896BFill the gap in the marketMeet the health requirements of the timesFood science
The invention discloses a natural meat-flavored soy sauce derived from soybean and wheat and a preparation method thereof, and belongs to the field of food seasonings. A natural meat-flavored soy sauce derived from soybean and wheat is prepared by saccharifying wheat as a raw material to obtain wheat syrup; preparing salt-free soy sauce crude oil with soybean as a raw material; mixing wheat syrup and salt-free soy sauce crude oil, adding Bacillus to ferment to obtain D-ribose solution; mixing the salt-free soy sauce crude oil with the D-ribose solution after electrodialysis to carry out Maillard reaction to obtain a meat-flavored reactant; compounding the meat-flavored reactant obtained by the Maillard reaction with the salt-free soy sauce crude oil. The present invention creatively develops soy sauce with natural meat flavor, filling the market gap, the substrates of the Maillard reaction are all derived from the raw materials wheat and soybeans specified in the national standard of soy sauce, no other food additives are added in the production process, suitable for vegetarians, and meets the health requirements of the era of simple labels.
Owner:GUANGDONG HAITIAN INNOVATION TECH CO LTD