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287results about How to "Short cycle" patented technology

Financial bill risk value calculation method and device, equipment and storage medium

The invention provides a financial bill risk value calculation method and device, equipment and a storage medium, relates to the technical field of financial bill risk assessment, and can comprehensively and deeply mine potential risks in financial bills by integrating various anomaly detection models and classification models. The anomaly detection model can accurately identify the anomaly in the data, and provides a high-quality risk data sample for the classification model, thereby ensuring the accuracy and reliability of risk probability calculation. The risk probability is predicted by using the pre-trained risk classification model, so that the calculation efficiency is greatly improved. Compared with a traditional risk assessment method, the method does not need to manually carry out tedious data analysis and judgment, and the risk identification period is remarkably shortened. And the risk probability is converted into the corresponding risk value, so that the risk assessment result is more visual and easy to understand. Risk management and decision making of related financial departments are facilitated, and comprehensive control of financial risk conditions of enterprises is facilitated.
Owner:太保科技有限公司

High-toughness corrosion-resistant aluminum alloy and preparation method thereof

The invention relates to a high-toughness corrosion-resistant aluminum alloy and a preparation method thereof. The high-toughness and corrosion-resistant aluminum alloy is prepared from the following components in percentage by mass: 3.5 to 4.6 weight percent of Mg, 1.3 to 1.5 weight percent of Zn, 0.1 to 0.4 weight percent of Sc, 0.4 to 0.5 weight percent of Zr, 0.4 to 0.5 weight percent of Cu and the balance of Al. The optimized preparation method comprises the steps that aluminum alloy mixed powder serves as a raw material, laser additive manufacturing is adopted, and a printed product is obtained through printing; during printing, the laser power is controlled to range from 250 W to 350 W, the laser scanning speed ranges from 800 mm / s to 1200 mm / s, the laser spot diameter ranges from 60 micrometers to 80 micrometers, the scanning interval ranges from 0.02 mm to 0.05 mm, and the powder laying thickness ranges from 0.03 mm to 0.05 mm. Based on a cross alloy design strategy, the in-situ alloying powder manufacturing technology and the laser powder bed melting technology are combined, collaborative optimization of the mechanical property and the corrosion resistance is achieved, meanwhile, the material development and preparation cost is effectively reduced, and the application requirements of multiple fields are met.
Owner:ZHONGBEI UNIV +1

Net cage state simulation method and system and mobile storage medium

The invention discloses a net cage state simulation method and system and a removable storage medium, and relates to the technical field of aquaculture, and the net cage state simulation method comprises the following steps: employing a two-dimensional plate unit to carry out simulation analysis on a thin-wall structure of a net cage body, and simulating the acting force of waves and ocean currents on the thin-wall structure; performing simulation analysis on the net rack structure and the netting structure of the net cage body by adopting a Morison model, and simulating the acting force of waves and ocean currents on the net rack structure and the netting structure; and utilizing a neural network model to evaluate local area deformation conditions and stress conditions of the net cage body under different sea conditions. According to the technical scheme, by combining different simulation methods and cooperating with the neural network model, the accuracy of net cage state simulation is improved, the performance of the net cage body under different marine environment conditions is evaluated, the method has the advantages of being short in period and low in cost, and the net cage body can be optimized and iterated in the design stage.
Owner:SOUTHERN MARINE SCIENCE & ENGINEERING GUANGDONG LABORATORY (ZHANJIANG)

Immersive three-dimensional modeling and straight-through 3D printing system and method based on XR

The invention discloses an XR-based immersive three-dimensional modeling and straight-through 3D printing system and method, and the method comprises the steps: S1, collecting user input, and converting the user input into an interaction instruction; s2, generating three-dimensional model data; s3, superposing the three-dimensional model into a real physical environment according to a proportion of 1: 1, and outputting a virtual-real fusion display result; s4, performing printability analysis on the model, marking a problem area, guiding a user to modify and providing an automatic repair suggestion; s5, generating a support structure, and providing visual preview and interactive editing; s6, slicing and path planning are executed, and a printing instruction file meeting the control requirement of the 3D printer is generated; s7, communication connection with the 3D printer is established, and printing state information is fed back; and S8, providing storage and calling support of the three-dimensional model file, parameter configuration and environment map data. According to the invention, seamless integration of immersive XR modeling, MR real-time verification and one-key direct-through 3D printing is realized.
Owner:TIANJIN UNIV OF TECH & EDUCATION (TEACHER DEV CENT OF CHINA VOCATIONAL TRAINING & GUIDANCE) +1

Intelligent processing method and system for new media data

The application relates to the field of information technology, in particular to an intelligent processing method and system for new media data. The method comprises the following steps: reading historical new media material data; analyzing the historical new media material data, calculating an availability estimation value of the historical new media material, and sorting and screening the historical new media resource according to the availability estimation value; storing the analyzed historical new media material data in a classified manner, and establishing a multidimensional index of the historical new media material data; receiving a new media content generation demand, converting the new media content generation demand into a new media material matching condition; screening and sorting new media materials based on the new media material matching condition, and selecting the first N new media material data as basic new media material data; and fusing a theme content based on the basic new media material, generating multi-form new media content, and realizing intelligent processing of high-efficiency, high-quality and self-optimizable new media content.
Owner:HANGZHOU XIAOLU CORGI NETWORK TECHNOLOGY CO LTD

Methods for constructing a biological model of tertiary lymphoid structure

This invention discloses a method for constructing a biological model of tertiary lymphoid structures, which can rapidly and efficiently induce the generation of in situ TLS, without relying on specific tissues or organs, and without the need for complex and expensive preparation processes such as cell editing and transgenic mice. It can generate stable, mature, and long-lasting TLS structures within 2 to 3 weeks, and has the characteristics of short cycle, low cost, simple operation, reproducibility, safety and effectiveness.
Owner:SUN YAT SEN MEMORIAL HOSPITAL SUN YAT SEN UNIV +1

Engineered extracellular vesicle, preparation method, application and drug for targeted repair of blood brain barrier

PendingCN119639681Areduce permeabilityachieve fixNervous disorderPeptide/protein ingredientsDiseaseReceptor
The invention belongs to the technical field of biological medicine, and provides an engineered extracellular vesicle, a preparation method, application and a drug for targeted repair of blood brain barrier in order to solve the technical problems that an existing repair tool takes effect slowly and is not enough in specificity, and the engineered extracellular vesicle is loaded with Wnt7a-K190A protein. After entering the brain, the engineered extracellular vesicle can be rapidly and specifically combined with a Gpr124 receptor to promote blood brain barrier repair, and in-vivo experiments verify that the engineered extracellular vesicle can promote blood brain repair, so that the engineered extracellular vesicle can be applied to preparation of targeted blood brain barrier repair drugs, becomes a supplement of existing tools, AAV, LNP and the like, and has a wide application prospect. Particularly, the high requirement on the treatment timeliness of central nervous system (injury irreversibility) diseases is met.
Owner:AFFILIATED HUSN HOSPITAL OF FUDAN UNIV

Preparation method and application of non-noble metal material loaded noble metal electrocatalyst

ActiveCN115692749BHigh mass specific activityImprove catalytic activity of oxygen reduction reactionCell electrodesFuel cellsPtru catalystNon noble metal
This invention discloses a method for preparing a noble metal electrocatalyst supported on a non-noble metal material and its application. The preparation method includes: Step 1, dissolving a non-noble metal precursor and a noble metal precursor in a mixed solvent; Step 2, adding a carbon support and ultrasonically dispersing until homogeneous; Step 3, rotary evaporation to obtain a solid phase; Step 4, treating the solid phase with NH3 gas and then with Ar gas; Step 5, ultrasonically dispersing the treated solid phase in a sulfuric acid aqueous solution and refluxing to obtain a refluxed solid phase; Step 6, washing the refluxed solid phase with water until the pH of the filtrate is neutral, and drying the washed solid phase to obtain the noble metal electrocatalyst supported on a non-noble metal material. In electrochemical tests conducted in an HClO4 aqueous solution, this noble metal electrocatalyst supported on a non-noble metal material exhibits a half-wave potential above 0.875 V vs. RHE and a specific activity above 310 mA / mg. Pt It exhibits significantly enhanced catalytic activity for oxygen reduction reactions.
Owner:XIAN CATALYST NEW MATERIALS CO LTD

A method for synthesizing a large single-crystal sodium-ion battery layered-oxide cathode material

The application discloses a synthesis method of a large single-crystal sodium-ion battery layered oxide positive electrode material, and comprises the following steps: (1) weighing metal oxides containing transition metal elements, transferring to a device with mixing functions, uniformly mixing, and obtaining a metal oxide mixture; (2) adding acid to the metal oxide mixture, fully mixing, and completing an acid treatment process; (3) adding alkali to the mixture after acid treatment, fully mixing; (4) transferring the mixture obtained in the step (3) to a calcining furnace, high-temperature calcining, and obtaining a layered oxide. The acid treatment process is introduced, the surface of the metal oxide forms a defect structure under the action of the acid, and the defect structure is more beneficial to the formation of strong interaction between each component of the metal oxide and between the metal oxide and sodium-containing alkali, so that a larger single-crystal layered oxide structure is finally formed, and the specific capacity, rate performance and cycle performance are excellent.
Owner:JIANGSU ZHENGXUQI NEW MATERIALS CO LTD

Alpinia oxyphylla culture medium and application thereof

The invention discloses a fructus alpiniae oxyphyllae culture medium and application thereof. Belongs to the technical field of tissue culture. The culture medium comprises a callus induction and proliferation culture medium, a cluster bud differentiation and proliferation culture medium and a rooting culture medium. Each culture medium is based on the cheap and easily available MS or 1 / 2 MS culture medium, appropriate exogenous hormones or raw materials are added, each culture medium is scientific and reasonable in formula and can be respectively used for each stage of tissue culture of the alpinia oxyphylla, and the whole culture process is high in propagation speed, short in period and high in survival rate; the excellent hereditary character of the alpinia oxyphylla variety can be well maintained. The culture medium is simple in formula and low in cost, and has good popularization and application prospects.
Owner:TROPICAL CORP STRAIN RESOURCE INST CHINESE ACAD OF TROPICAL AGRI SCI

Data transmission quality optimization method and system for intelligent electric meter

The invention relates to the field of data processing, in particular to a data transmission quality optimization method and system for an intelligent ammeter, and the method comprises the steps: obtaining a historical sensitivity sequence and a secret key updating record of each ammeter, and constructing a transmission sensitive vector; clustering the electricity meter groups and endowing sensitive grades to the electricity meter groups; dividing a transmission period into a plurality of time slots, establishing corresponding transmission scheduling groups, and distributing the ammeters to the groups according to the sensitivity levels to form an initial scheduling scheme; collecting network and computing resource states and computing resource pressure at the beginning of the current transmission period; and comparing the resource pressure with double thresholds, taking the sum of the transmission sensitivities of the electric meters in the group as a load according to a comparison result, dynamically adjusting the corresponding sequence of each transmission scheduling group and the transmission time slot according to the load, and issuing a transmission instruction. According to the invention, through a double-layer scheduling mechanism combining historical behavior grading and real-time resource perception, peak shifting transmission of the electricity meter group is realized, and the processing efficiency of the concentrator is remarkably improved.
Owner:HANGZHOU HUALONG ELECTRONIC TECH CO LTD

Positioning tool for welding landscape bridge and welding method thereof

ActiveCN121670258Bavoid random movementShorten the period of on-site constructionSlide plateIndustrial engineering
This invention discloses a positioning fixture and welding method for welding landscape bridges, mainly relating to the technical field of welding devices. It includes a first base plate and a second base plate, each with several L-shaped blocks. A first sliding rod is slidably connected to each L-shaped block, and several arc-shaped plates are provided at the ends of the first sliding rods. A first spring is provided between the arc-shaped plates and the L-shaped blocks. It also includes fixing plates symmetrically arranged at both ends of the first base plate and used in conjunction with the second base plate. A first sliding plate and a second sliding plate are slidably connected to the first and second base plates, respectively. The first and second sliding plates are slidably connected, and a first welding torch is mounted on the first sliding plate. Furthermore, it includes a third sliding plate detachably connected to the first sliding plate, and a second welding torch is mounted on the third sliding plate. The beneficial effects of this invention are: solving the problem of low on-site construction efficiency in existing landscape bridge welding, improving the efficiency and quality of landscape bridge welding, and reducing the labor intensity of workers.
Owner:CCCC LANDSCAPE SHANDONG CO

A residential package delivery device suitable for drone logistics

PendingCN122501663AImplement automatic notification functionTimely reminder to collect
This application relates to a residential parcel transportation device applicable to drone logistics. This application falls within the field of low-altitude economic technology. The technical solution adopted in this application includes: a rooftop transfer system, installed on the rooftop of a residential building, for receiving parcels dropped by drones and completing parcel alignment, horizontal transfer, and temporary storage scheduling; an exterior vertical transportation system, fixedly installed on the building's exterior facade and located directly below the rooftop transfer system, for vertically transferring parcels output from the rooftop transfer system to the corresponding floors; and a user-end receiving system, installed near the windows of users on each floor of the residence, for receiving vertically transferred parcels and real-time monitoring of the support occupancy status; the horizontal transfer end of the rooftop transfer system and the initial bearing position of the exterior vertical transportation system are at the same horizontal height and on the same straight line perpendicular to the building's exterior wall, achieving seamless connection between horizontal and vertical transfer.
Owner:POWERCHINA HUADONG ENG CORP LTD

Steel structure fixing structure on concrete waterproof roll

The utility model relates to a steel structure fixing structure on a concrete waterproof coiled material, which is characterized in that a steel plate is arranged above a waterproof coiled material layer, an anchor bolt penetrates through a vertical first anchoring hole corresponding to the waterproof coiled material layer and a concrete structural plate, and a waterproof coating layer is arranged between the anchor bolt and the first anchoring hole of the waterproof coiled material layer; the anchor bolt, the waterproof roll layer and the waterproof coating layer jointly form a waterproof closed loop layer, so that water leakage is basically avoided; the bottom face of the steel stand column is welded to the upper portion of the steel plate, the steel plate is fixed to the concrete structural plate of the top plate through the anchor bolts and the nuts, then the basement top plate can be used for supporting the stand column, the stress area is large, and the stress effect is better; the protective layer is arranged to cover the waterproof roll layer, the steel plate, the upper ends of the anchor bolts and the nuts, so that the ground is not interfered; due to the fact that the steel plate anchor bolts and the nuts are constructed along with the basement top plate, independent foundations do not need to be additionally arranged, construction procedures are fewer, and the period is shorter.
Owner:GUANGXI ROAD & BRIDGE GRP CONSTR ENG CO LTD

An inspection apparatus housing made with an extrusion device

ActiveCN224616802UShort cycleMeet basic material needs
This utility model relates to the field of material forming and processing technology, and discloses an extrusion device for manufacturing the shell of inspection equipment. It includes a base plate, a mold first fixedly connected to the top right side of the base plate, support plates first fixedly connected to both the front and rear ends of the top right side of the base plate, a support plate second fixedly connected to the top right side of the base plate near the edge, a motor second fixedly connected to the top of the support plate second, a pinion gear fixedly connected to the top output end of the motor second, a toothed strip meshing with the outer wall of the pinion gear, and a U-shaped frame fixedly connected to the left side of the toothed strip. In this utility model, the rotation of the pinion gear driven by the motor second, and the movement of the U-shaped frame driving the movement of the mold second, enable rapid descent for compression molding, shortening the compression molding cycle. Furthermore, by using different molding dies, various profiles can be produced to meet the basic material requirements of different inspection equipment shells.
Owner:东莞市蒂优塑胶科技有限公司

Data processing method based on big data Internet

The invention discloses a data processing method based on a big data internet, and relates to the technical field of big data processing. According to the method, in a data processing evaluation stage, a chemical product evaluation index, a chemical interaction evaluation index and a chemical fruit evaluation index are calculated respectively; learning duration and login times are extracted from learning records and combined with a weight coefficient to obtain a learning product evaluation index, the learning investment condition of students is clearly displayed, and the learning product evaluation index considers the interaction activeness, participation continuity and problem solving ability of the students through quantitative evaluation of each index of interaction data; the learning result evaluation index comprehensively considers the difference between the scores of the students in different types of courses and the average score, marks the course types, gives scores, converts into an assessment and evaluation ratio, comprehensively and objectively evaluates the learning results, also can reflect the difference between the course difficulty and the overall student level, and solves the problems that the data of the students is not fully utilized and the learning efficiency is high in the prior art. An effective data processing and analysis method is lacked, and the learning condition of the student cannot be accurately known.
Owner:合肥理微大数据有限公司

A method and system for automatically calculating and analyzing wind pipe support load of a nuclear power plant

The present application belongs to the technical field of nuclear power engineering design, and provides a nuclear power plant wind pipe support load automatic calculation and analysis method and system, comprising: obtaining data information of a nuclear power plant wind pipe; calling a corresponding three-dimensional support model in a preset wind pipe information library according to the data information of the nuclear power plant wind pipe; automatically calculating the wind pipe support load according to the three-dimensional support model; and automatically completing the mechanical analysis of the wind pipe support load according to the calculated wind pipe support load; the present application can realize the data information of the wind pipe support, automatically call the support model in the wind pipe information library to complete three-dimensional support modeling; according to the three-dimensional support model, the automatic calculation and automatic analysis of the wind pipe support load can be realized, the complex process of drawing, mapping, data extraction and coupling iterative calculation of the designer is cancelled, the cycle of mechanical calculation and analysis of the wind pipe support is shortened, and the accuracy of the calculation result is greatly improved.
Owner:SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE CO LTD

Deep feature and automatic machine learning-based sgRNA activity prediction method and device

PendingCN121768486AExperimental verification proves that the method is effectiveImprove cutting efficiencyBiostatisticsBiological modelsAlgorithmSequence model
The invention relates to the technical field of gene editing, and discloses an sgRNA activity prediction method and device based on deep features and automatic machine learning. The method comprises the following steps: acquiring sgRNA training data with editing efficiency labels and discretizing the sgRNA training data into classification labels; after the sgRNA and the PAM sequence are spliced, inputting the spliced sgRNA and PAM sequence into a pre-training depth sequence model to extract high-dimensional features; obtaining a low-dimensional feature vector through nonlinear dimensionality reduction; an automatic machine learning framework is combined with cross validation, and a prediction model is automatically trained and optimized based on low-dimensional features; and finally, carrying out activity prediction and sorting screening on candidate sgRNA by utilizing the model. According to the method, through fusion of deep semantic extraction, nonlinear structure maintenance and a full-automatic modeling process, the accuracy, robustness and development efficiency of sgRNA activity prediction are effectively improved, and an efficient pilot screening tool is provided for a gene editing experiment.
Owner:XIANGHU LABORATORY

Seed breeding method for water horns

The invention relates to the technical field of agricultural cultivation, in particular to a breeding method of water horn seeds. The method comprises the following steps: storing dried water chestnut seeds at 8-16 DEG C for 8-24 days, and soaking the water chestnut seeds in a potassium permanganate aqueous solution for 15-25 minutes; and sowing the soaked water horns seeds in a matrix, and culturing for 18-22 days to obtain seed seedlings. According to the method provided by the invention, the germination rate of the water pod seeds is extremely high and reaches 99%; and the method is short in operation period and simple in operation steps, does not need any plant hormones and chemical substances, effectively solves the breeding problem of the water hormones, and has important significance for reducing the endangered degree of the water hormones.
Owner:INST OF TROPICAL BIOSCI & BIOTECH CHINESE ACADEMY OF TROPICAL AGRI SCI

Highway bridge facilitating water drainage

ActiveCN224620419UDrainage Structure ImprovementEffective drainage structure
This utility model discloses a highway bridge with convenient drainage, comprising a beam body and concrete and asphalt layers arranged sequentially from bottom to top on the beam body. Drainage ditches are provided on both sides of the beam body, with a filter layer at the top of the drainage ditches. A water collection trough of a certain height is reserved above the filter layer. Multiple drainage holes are spaced along the length of the bridge on the filter layer, with filter plugs inside the drainage holes. A drain pipe is provided at the bottom of the drainage holes, with the outlet of the drain pipe extending to the pier foot and connecting to a collection pool. This utility model has a simple structure, high ease of construction, short construction period, and low construction cost. It ensures good drainage effect and is very easy to clean, greatly reducing cleaning costs. The addition of a rainwater collection pool at the pier foot of the highway bridge enables rainwater recycling, which is environmentally friendly and prevents foundation corrosion at the pier foot, thus improving the service life of the bridge.
Owner:GUIZHOU TONGYUAN HIGHWAY SURVEY & DESIGN CONSULTING CO LTD

A method for detecting active components of milk aroma based on enzymatic hydrolysis and olfactory discrimination

The present application relates to the technical field of food detection, and more particularly to a milk aroma active ingredient detection method based on enzymatic hydrolysis-smell identification combination, which provides a milk aroma active ingredient detection method, comprising: extracting and enriching volatile components in milk, and detecting aroma active ingredients therein by using gas chromatography-smell-mass spectrometry combination technology; wherein the extraction and enrichment method comprises: first, using streptomyces protease to perform enzymatic hydrolysis treatment on the milk, and then using sequential stirring rod adsorption extraction technology to extract and enrich the volatile components. The method provided by the present application can significantly reduce the detection limit of milk aroma active ingredients, improve the detection sensitivity, and broaden the detection range of aroma active ingredients, and is significantly superior to the prior art in terms of the number and structure type of detected components, and has the advantages of high detection efficiency, short cycle, convenient operation and the like, and has good application prospect.
Owner:INNER MONGOLIA MENGNIU DAIRY IND (GROUP) CO LTD

SNP (Single Nucleotide Polymorphism) molecular marker related to soybean mosaic virus resistance, amplification primer and application of SNP molecular marker in soybean breeding

PendingCN121951102ALarge detection throughput potentialHigh polymorphismMicrobiological testing/measurementDNA/RNA fragmentationSoybean mosaic virusGenetics
The invention relates to the technical field of biology, in particular to an SNP (Single Nucleotide Polymorphism) molecular marker related to soybean mosaic virus resistance, an amplification primer and application of the SNP molecular marker in soybean breeding. The SNP molecular marker is located at the 910489bp site of a No.7 chromosome of a soybean genome, and the polymorphism of the SNP molecular marker is C / A. The invention provides application of the SNP molecular marker related to the soybean mosaic virus resistance in identification or auxiliary identification of the soybean mosaic virus resistance. By providing the accurate, simple, convenient and low-cost SNP molecular marker and the detection method thereof, early-stage, rapid and efficient molecular-assisted selection of soybean mosaic virus resistance characters is realized, so that the breeding process of a new variety of disease-resistant soybeans can be remarkably accelerated, and the SNP molecular marker has important breeding application value.
Owner:NORTHEAST NORMAL UNIVERSITY

Panax ramosa rare saponin composition, preparation method and application thereof

The present application relates to a rare ginsenoside composition and a method and application thereof, wherein the ginsenoside composition comprises 0.02-0.1 mg / mL of S-Rg3, 0.009-0.029 mg / mL of R-Rg3, 0.087-0.245 mg / mL of Rg5 and 0.013-0.044 mg / mL of CK. The rare ginsenoside is prepared by fermentation, which comprises the following steps: step-by-step fermentation with yeast and lactic acid bacteria. Through the step-by-step fermentation method, the inherent ginsenoside is converted into rare ginsenoside, and 17 kinds of rare ginsenosides, including S-Rg2, R-Rg2, F1, F4, Rk3, F2, Rh4, S-Rg3, R-Rg3, PPT, Rg5, CK, S-Rh2, R-Rh2, Rk2, Rh3 and PPD, are obtained. The bioactivity of the fermented ginseng is higher, and the fermented ginseng can be applied to the food, medicine, health food and skin care product industries.
Owner:ANGEL NUTRITECH CO LTD

Capacity expansion method and device for application service

The embodiment of the invention provides an application service capacity expansion method and device, and belongs to the technical field of computers. The method comprises the following steps: monitoring a service load of an application service, and determining a service load specification to which the service load belongs; and under the condition that the business load of the application service is improved from a first specification to a second specification, executing a service-uninterrupted capacity expansion operation on each application service module corresponding to the application service based on corresponding module configuration information so as to obtain a capacity-expanded application service matched with the second specification, and the application service is decomposed into a plurality of application service modules which can be independently expanded according to the functional composition.
Owner:CHINA TELECOM CLOUD TECH CO LTD

Application of Chinese rose SVP transcription factor in regulation and control of flowering phase and petal size

ActiveCN122081390Areduce areaImproved morphological consistencyPlant peptidesFermentationBiotechnologyAnthesis
The invention belongs to the technical field of plant genetic engineering, and particularly relates to application of a Chinese rose SVP transcription factor in regulation and control of flowering phase and petal size. The invention aims to provide a new choice for regulating Chinese rose organs by researching MADS-box transcription factor family member SVP in Chinese rose. The technical scheme of the invention is the application of the Chinese rose SVP transcription factor in regulating and controlling the flowering phase and / or the petal size of a plant. The amino acid sequence of the SVP transcription factor is shown as SEQ ID NO.2. By adopting the method disclosed by the invention, accurate intervention on the petal size and the flowering phase of the Chinese rose can be realized through RhSVP silencing.
Owner:CHINA AGRI UNIV SANYA RES INST

Creep life prediction method for nickel-based single crystal alloys considering primary orientation angle

PendingCN122511453AEasy CalibrationSimplify mathematical expressionsElement modelSingle crystal
The application discloses a creep life prediction method for a nickel-based single crystal alloy considering a primary orientation deviation angle, and comprises the following steps: S1, acquiring a primary orientation deviation angle of a sample; S2, performing a creep test on the sample to obtain creep test data; S3, establishing a creep constitutive damage equation, constructing a correlation formula of a primary orientation deviation angle influence factor and the primary orientation deviation angle, and introducing the primary orientation deviation angle influence factor into a material degradation term in the creep constitutive damage equation for correction; S4, calibrating undetermined parameters in the corrected creep constitutive damage equation by using the creep test data; and S5, establishing a finite element model of a nickel-based single crystal high-temperature alloy sample based on the calibrated creep constitutive damage equation, and calculating the creep life of the sample by using the finite element method. The application changes the influence of the primary orientation deviation on the creep life from "systematic theory coupling" to "engineering precise quantification", and is more suitable for actual engineering application requirements.
Owner:AECC HUNAN AVIATION POWERPLANT RES INST

Grinding rotor and vertical nanosand mill having the same

The present application relates to a kind of grinding rotor, including top wall, and with top wall connection side wall, grinding rotor inside is opened with grinding inner cavity, the outer periphery of side wall is provided with multiple grinding bars, the cross-sectional area of grinding bar is along the decreasing trend of grinding rotor radial direction from inside to outside, at least part grinding bar is provided with first inclined plane in the face side along the direction of rotation of grinding rotor, first inclined plane is arranged with horizontal plane angle;Side wall is provided with several heterodirectional variable-diameter channels, each heterodirectional variable-diameter channel is gradually tapered from inside to outside, each heterodirectional variable-diameter channel includes top surface, first side, bottom surface and second side connected in sequence, top surface and bottom surface are arranged with angle between them. Through the design of grinding bar and heterodirectional variable-diameter channel and cooperate with separating wheel assembly, avoid forming grinding dead zone in grinding cavity, and effectively improve the grinding efficiency and grinding uniformity.The present application also relates to vertical nanometer sand mill with the grinding rotor.
Owner:DONGGUAN LONGLY MACHINERY +1

A method for determining the swallowing capacity of an aeroengine

This application provides a method for determining the bird-swallowing capability of an aero-engine, belonging to the field of aero-engine testing. The method includes: evaluating the bird strike resistance of blades using strength simulation, correcting it with component test results to obtain the blade's bird strike resistance characteristics; evaluating the aerodynamic impact of damaged blades through aerodynamic modeling, correcting it with blade-mounted testing to obtain the aerodynamic impact characteristics of damaged blades on the engine; determining the quantitative relationship between bird-swallowing parameters and blade damage based on test and simulation results; determining the strength and aerodynamic boundaries of the aero-engine's bird-swallowing capability; determining the engine's bird-swallowing capability based on the engine's bird-swallowing strength and aerodynamic boundaries, combined with bird-swallowing standards; and improving the bird-swallowing capability of an engine with determined bird-swallowing capability through targeted design improvements.
Owner:AECC SHENYANG ENGINE RES INST

A method for preparing pseudo-grassland bioplasts and its application

This invention discloses a stable and efficient method for preparing protoplasts from *Pseudolarix amabilis*. The method directly uses etiolated *Pseudolarix amabilis* seedlings as material to prepare protoplasts, requiring no other aseptic procedures, and the entire process is simple and convenient. Furthermore, by setting different buffer component ratios and a specific mannitol concentration, this invention achieves stable maintenance of the osmotic pressure of *Pseudolarix amabilis* seedling cells during the separation process. Experimental verification shows that the protoplast yield using this method is 1.32 × 10⁻⁶. 5 The protoplasts were prepared at a density of 1 protoplast per ml, with 95% of them intact and undamaged, resulting in significantly improved quality and activity. Furthermore, the enzymatic hydrolysate described in this invention overcomes the difficulty of enzymatic hydrolysis caused by the high degree of leatheriness in *Pseudolarix amabilis* leaf tissue. This method is suitable for widespread application in the field of herbaceous plant biotechnology.
Owner:SICHUAN AGRI UNIV

Rear side wall inner plate, door ring structure and vehicle

The utility model relates to the technical field of vehicle parts, and particularly discloses a rear side wall inner plate, a door ring structure and a vehicle, the rear side wall inner plate comprises a C column part, a D column part, a first connecting part, a second connecting part and a third connecting part which are integrally formed, the C column part and the D column part are arranged at an interval, and the first connecting part and the second connecting part are arranged at an interval; the two ends of the first connecting part are connected with one end of the C-column part and one end of the D-column part correspondingly, the two ends of the second connecting part are connected with the other end of the C-column part and the other end of the D-column part correspondingly, and the C-column part, the D-column part, the first connecting part and the second connecting part define a mounting space for mounting the quarter window. The third connecting part is arranged at the position, away from the installation space, of the connecting area of the first connecting part and the D column part, and the third connecting part extends towards the inner sides of the first connecting part and the D column part. According to the rear side wall inner plate, the C column part, the D column part, the first connecting part, the second connecting part and the third connecting part are integrally formed, so that the design and production efficiency of a vehicle is improved, and the cost is reduced.
Owner:ZHEJIANG ZEEKR INTELLIGENT TECH CO LTD +1