15results about How to "Important application value" patented technology

The invention relates to the technical field of engineering structure vibration reduction, in particular to a pressure-resistant and low-frequency vibration reduction light sandwich cylindrical shell structure which is obtained by a unit cell circumferential array and a linear array. Each unit cell comprises an inner panel, an outer panel and a grid interlayer, and the inner panel, the outer panel and the grid interlayer are made of the same material. The Archimedes spiral resonance groove is accurately engraved in the inner panel, so that the local resonance effect is excited, and effective vibration attenuation is achieved. The structure has the characteristics of integration of light weight, vibration reduction and noise reduction functions, wide vibration reduction frequency range, good hydrostatic pressure resistance, easiness in manufacturing and the like. And meanwhile, certain sound absorption performance can be realized without changing external geometric characteristics of the structure and adding extra materials.

The invention relates to a video frame prediction method and device, computer equipment, a readable storage medium and a program product. The method comprises the following steps: carrying out image feature extraction on existing video frames in a video frame sequence to obtain an image feature combination sequence; the image feature combination in the image feature combination sequence is the combination of the image features of the corresponding existing video frame under a plurality of different scales; for each group of image feature combinations in the image feature combination sequence, obtaining prompt word semantic features of prompt words associated with the image feature combinations, and fusing the prompt word semantic features and the image feature combinations to obtain multi-modal fusion features corresponding to the image feature combinations; the prompt word is used for describing video content of the video frame sequence; and predicting the next video frame of the existing video frame according to each group of multi-modal fusion features. By adopting the method, the prediction effect of the video frame can be improved.

The invention provides an aging biomarker detection system and application thereof, and belongs to the technical field of biomedicine. The senescence biomarker detection system comprises senescence biomarker detection and senescence evaluation model establishment, has the characteristics of comprehensiveness, accuracy and high efficiency, and can provide powerful support for senescence research and anti-senescence intervention. The construction method of the senescence biomarker detection system is scientific and reasonable, the screened 12 senescence biomarkers have high specificity and sensitivity, the senescence degree is comprehensively evaluated through the integral senescence evaluation model, and the senescence biomarker detection system is comprehensive, accurate and efficient. The senescence biomarker detection system is wide in application, can be applied to multiple fields of senescence degree evaluation, disease risk prediction, anti-senescence intervention effect evaluation, drug research, development and screening and the like, provides a new tool and method for anti-senescence research and clinical practice, and has important application value and wide market prospects.

The present application relates to the field of plant tissue culture, and discloses a high-efficiency accumulation of paeoniflorin in vitro culture method of Paeonia plant. Through in-vitro domestication, bud induction, absorption surface construction, adventitious bud induction, content and biomass double-increase culture, a high-efficiency in-vitro regeneration system of Paeonia plant is established, and on this basis, high-efficiency accumulation of paeoniflorin is realized, so that the yield of paeoniflorin is significantly improved, a new technical approach for large-scale and standardized production of paeoniflorin is provided, and the present application has important application value and industrialization prospect.

The invention discloses a road traffic potential safety hazard troubleshooting method based on a railway crossing scene. The method comprises the following steps: S1, constructing a railway crossing road traffic potential safety hazard troubleshooting knowledge system; s2, establishing a standardized data acquisition process; s3, the cleaning process is completed based on the checked road sections; s4, completing a stake number calibration process and completing a troubleshooting road section calibration process; s5, establishing an intelligent railway crossing image recognition method; s6, establishing a railway crossing road traffic potential safety hazard standardized troubleshooting method and summarization; by constructing the intelligent railway crossing hidden danger checking system, multi-angle data acquisition and processing are realized. The system integrates equipment such as a vehicle-mounted high-definition camera, a GPS (Global Positioning System) and a gyroscope, ensures synchronization and accuracy of acquired data, and accurately positions the geographic position of each image in combination with a stake mark calibration technology. The hidden danger types of traffic signs, marking lines and facilities are systematically analyzed for railway crossings with different guard modes.

The present invention discloses fish-derived umami peptides suitable for improving the quality and flavor of pre-prepared soups and their applications, and belongs to the field of food biotechnology. The amino acid sequence of the fish-derived umami peptides suitable for improving the quality and flavor of pre-prepared soups is shown in SEQ ID NO.1 or SEQ ID NO.3. The present invention screened out two umami peptides (EDEI and ELPDGQ) that have the effect of improving the quality and flavor of simulated chicken soup from fermented marine fish water extracts, analyzed their interactions and surface forces with T1R3 subunits, and found that both of the two umami peptides can bind to the T1R3 subunit, and the composite conformation is stable. In addition, it was verified by sensory evaluation and electronic tongue analysis that both of the two umami peptides have umami taste, and the umami threshold is 0.0625-0.09375 mg / mL, which provides a new umami peptide raw material for the development of condiments for improving the quality and flavor of pre-prepared soups, and has important application value.

The application discloses a kind of based on two-dimensional weighted back projection and linear base function interpolation trunk three-dimensional imaging method, comprising: selecting several different measurement heights of to-be-imaged trees, using stress wave measuring equipment respectively at different heights to carry out stress wave data acquisition;Using two-dimensional weighted back projection algorithm reconstructs the stress wave velocity field of each layer, obtains the control point set needed for linear base function interpolation;All known control point set is mapped to three-dimensional coordinate system, and with the wave speed v corresponding to each point constitutes three-dimensional feature point cloud;Linear base function interpolation of using linear kernel is used to carry out interpolation reconstruction, and function F ( x , y , z ) are fitted;According to fitting function F ( x , y , z ) all point sets located in three-dimensional fault imaging region are calculated;Using the display method of point cloud, the points inside imaging region are visualized and displayed.The application significantly improves three-dimensional imaging speed and defect recognition accuracy in actual scene, and is suitable for nondestructive testing and evaluation of three-dimensional defects inside trunk.

This invention discloses an amidase gene for degrading amide alcohol antibiotics and amide herbicides. right here The amidase gene, along with its encoded protein and applications, has the nucleotide sequence SEQ ID NO.1, a full length of 912 bp, encoding 303 amino acids, and its amino acid sequence is SEQ ID NO.2. This invention relates to the gene... right here This is the first publicly disclosed amidase gene for amide alcohol antibiotics cloned from the genome of a single isolated strain. The amidase encoded by this gene can not only hydrolyze the amide bonds of amide alcohol antibiotics, but also degrade various amide chemical herbicides such as propargite, bromoxynil, chlorpyrifos, and chlorobromopropylate. The amidase encoded by this gene, as well as genetically engineered bacteria containing the amidase gene, have very important theoretical and applied value in the degradation of amide alcohol antibiotic pollutants in aquatic environments such as sewage treatment plants and livestock and poultry breeding wastewater, and in the remediation of herbicide-contaminated soil.

The invention provides an artemisia annua U6 promoter and application, and relates to the technical field of gene engineering. Eight endogenous U6 promoters are screened and cloned from an artemisia annua genome, and sequence contrastive analysis finds that each of the eight promoters contains two conservative cis-acting elements USE and TATA-box which influence the transcriptional activity of the promoters. A fusion expression vector expressed by a firefly luciferase gene (LUC) driven by an Artemisia annua U6 promoter is constructed through experiments, Bensi tobacco leaves are transiently transformed, and the transcriptional activity of each promoter is detected and compared through in-vivo imaging and a dual-luciferase report system. Results show that the transcriptional activities of the promoters AaU6-3, AaU6-1 and AaU6-5 are all obviously higher than those of the promoters AtU6-26 of arabidopsis thaliana, and the AaU6-3 has the highest activity. In conclusion, three artemisia annua endogenous U6 promoters with high transcriptional activity are screened and identified in the research, efficient promoter elements are provided for artemisia annua gene editing, and the method has important significance on molecular breeding of artemisia annua and efficient raw material production of artemisinin.

The invention discloses a transformer direct-current magnetic bias test method and system based on electromagnetic feedback, and aims to identify direct-current magnetic bias phenomena of a transformer under different direct-current current intensities and evaluate the working efficiency of the transformer. The method comprises the following steps: firstly, applying a direct-current bias magnetic source, testing a transformer, acquiring electromagnetic feedback signal data, and performing interference analysis; thirdly, identifying direct current magnetic bias characteristics and working characteristics, and constructing a corresponding simulation model; the direct current intensity data of the transformer is obtained in real time and imported into the simulation model for direct current magnetic bias simulation, so that the real-time working efficiency is evaluated. And finally, on the basis of the real-time efficiency, direct-current magnetic bias early warning operation is implemented. The invention provides an effective real-time monitoring and early warning mechanism, and has important practical application value.

The invention relates to the technical field of rapid road repairing methods, in particular to a rapid base layer repairing method for road collapse risk, which comprises the following steps: firstly, constructing a gravel skeleton; secondly, preparing a cement-based grouting material; then, the cement-based grouting material is injected into the gravel framework; then, the grouted structure is maintained; and finally, surface treatment is conducted, and perfect balance between the repairing quality and the construction efficiency is achieved. The whole repairing process can be completed in an extremely short time through rapid construction of the gravel framework and rapid curing of the high-performance grouting material, and the influence on traffic is greatly reduced. And meanwhile, the high-strength characteristic of the composite structure ensures that the repairing quality is not influenced by rapid construction.

The invention belongs to the technical field of ocean engineering equipment, discloses a modular movable variable-structure floating type wave-resistant wharf and an operation method thereof, and aims to solve the problem that a traditional offshore installation platform lacks flexibility and wave-resistant capacity. The floating body units are connected through spherical hinge connectors, and the head module and the tail module are provided with mechanical arms and connecting piles correspondingly. In the towing process, the floating body units are arranged in a chain type connection mode, the head wave area and towing resistance are reduced, and the towing efficiency is improved; after reaching an operation sea area, the floating body units can be quickly changed into a U shape through flexible matching of the mechanical arms and the connecting piles and the rotating function of the spherical hinge connectors, a breakwater is formed, and a stable operation platform is provided for installation of offshore equipment. The device has high flexibility, variable structure and efficient operability, is suitable for installation operation of various facilities such as offshore wind turbines, floating platforms and ocean monitoring equipment, has good economical efficiency and adaptability, and can effectively improve operation efficiency and safety under complex sea conditions.

The invention relates to the technical field of big data analysis, and particularly provides a figure social relationship judgment method and device, and the method comprises the following steps: S1, collecting the existing social data of a clear social relationship; s2, preprocessing and labeling the collected social data; s3, selecting a multi-modal fusion framework, and adding two additional linear transformation layers in front of a full connection layer; s4, training the model, and dividing the model into a training set and a verification set; s5, pilot production is carried out, and the model is called to carry out social relation judgment on the input social data; and S6, in the formal use process, manually correcting and recording the result which does not meet the requirement. Compared with the prior art, the social relation can be accurately judged.

The invention discloses PEDOT: PSS-based conductive ink for heat transfer printing and a preparation method and application thereof, and belongs to the technical field of conductive materials and printing, the PEDOT: PSS-based conductive ink is prepared from the following raw materials in parts by mass: 100 parts of PEDOT: PSS, 1-10 parts of sorbitol, 0-1 part of a pH regulator, 0.2-10 parts of thermoplastic resin, 0.5-10 parts of GOPS, 0-1 part of a surfactant and 0-1 part of a thickener; wherein the weight ratio of the solid content of the PEDOT: PSS to the solid content of the thermoplastic resin is (2-8): (8-2). The PEDOT: PSS-based conductive ink disclosed by the invention can be transferred to various fabrics to form a fabric electrode with certain conductivity, excellent washing resistance and high peel strength.

A polypeptide targeting integrin α6 and the use thereof. The polypeptide has a sequence motif of RWYD, and is stronger in affinity, wherein the equilibrium dissociation constant KD reaches the level of nM, and the affinity is greatly improved. The polypeptide has a strong affinity to integrin α6, a strong specificity and no biological toxicity, is relatively stable in vivo and reasonable in distribution, and can be used as a targeting carrier. In addition, the polypeptide targeting integrin α6 can be used as a molecular probe in the molecular imaging of various tumors with highly-expressed integrin α6. Further provided is a dimer of the polypeptide, which has a more significant targeting effect and no biological toxicity. The polypeptide targeting integrin α6 can be used in the molecular imaging of various tumors with highly-expressed integrin α6, and has an important application value in the molecular imaging of tumors.