27results about How to "High research value" patented technology

The invention relates to the technical field of medical data processing, in particular to a diabetes data sharing and analysis system based on a cloud platform, which comprises a diabetes data co-processing module, a patient feature hierarchical management module, a diabetes associated path analysis module and an intelligent semantic reasoning module. According to the invention, data of diabetic patients in medical institutions are collected through the cloud platform, data accuracy and effectiveness are improved, interference factors are eliminated, multi-source data are combined, redundancy and conflicts are reduced, cross-institution data integration capability is improved, patient features are processed in a layered manner through feature matching and priority ranking, a layered feature network structure is formed, and the accuracy and effectiveness of the data are improved. The node association strength and the path relation are analyzed, weak nodes are removed, interaction nodes are expanded, the path analysis depth and research value are improved, keywords and paths are matched based on semantic reasoning, high-frequency nodes and semantic paths are screened, the query accuracy and practicability are optimized, and the data analysis intelligent level and management efficiency are enhanced.

The invention relates to the field of ocean internal solitary wave automatic detection, and discloses an internal solitary wave detection method based on sentinel No.3 satellite altimeter data, which comprises the following steps: acquiring sentinel No.3 satellite altimeter data of a sea area to be detected, and preprocessing the data; sequentially extracting a posterior scattering coefficient of each coordinate point of the Ku wave band and the C wave band, and response characteristic parameters SSHA and SWH; sequentially calculating the difference mean square slopes of the posterior scattering coefficients of the Ku wave band and the C wave band; the response characteristic parameters are smoothed twice, and variables # imgabs0 # and # imgabs1 # are obtained; and respectively calculating a differential mean square slope and a local standard deviation of variables # imgabs2 # and # imgabs3 #, and extracting data fluctuation characteristics by setting a threshold value so as to realize internal solitary wave detection. The method disclosed by the invention has higher accuracy and lower false detection rate, and still has a good detection effect under the condition that the propagation direction of the inner solitary wave is greatly different from the running direction of the satellite.

The invention discloses a flow chemistry intelligent experiment platform which comprises a direct-current constant-voltage power supply, a PC, a main control board, an electric energy metering module, a temperature control module, an electromagnetic valve, a stepping motor, a flow chemistry unit and an image sensor. The PC is provided with a webpage operation end, a control instruction is transmitted to the main control board through the gigabit Ethernet, and the main control board adopts a hardware architecture of FPGA and ARM co-processing and can accurately control devices such as an electromagnetic valve and a stepping motor to carry out experiments according to set reaction conditions; and in the reaction process, images acquired by the sensor and experimental data such as temperature, pressure, pH and the like are synchronously transmitted to the PC through the main control board to be displayed, analyzed and stored. The device provides maximum flexibility for the flowing chemical reaction, realizes integrated control of various reaction conditions such as temperature, pressure, pH and flow velocity, has the advantages of reasonable structure, high degree of freedom, good interactive experience and the like, and is suitable for various scenes such as classroom experiment teaching, student exploration experiment, college laboratory scientific research and the like.

The present invention relates to the technical field of sleep diagnosis, and in particular to a sleep staging method based on deep learning, the method comprising: collecting a number of target physiological signals, preprocessing each target physiological signal to obtain a number of standard physiological signals; synchronously aligning and integrating each standard physiological signal in turn to obtain a standard sleep data set; determining the actual correlation between each physiological signal to be integrated in the standard sleep data set, and determining an actual signal combination strategy according to the actual correlation; generating an actual sleep data set according to the actual signal combination strategy, and extracting features from the actual sleep data set to generate actual feature parameters; inputting the actual feature parameters into a deep learning model to determine the actual sleep state; analyzing the actual sleep state, and performing corresponding sleep intervention according to the analysis results. The present invention realizes low-cost non-intrusive sleep monitoring, thereby improving people's physical health.

The invention discloses an unmanned aerial vehicle multi-order distribution carbon emission reduction benefit prediction method and system, and relates to the technical field of carbon emission reduction benefit prediction, and the method comprises the steps: obtaining unmanned aerial vehicle distribution data, carrying out the processing of the unmanned aerial vehicle distribution data, separating an independent distribution order and an order-combined distribution order, and taking the separated distribution order and order-combined distribution order as order-combined distribution stroke data; variable features are constructed on the basis of the order-combining distribution travel data, feature variables of an unmanned aerial vehicle order-combining distribution travel emission reduction benefit prediction model are generated, and construction of the variable features comprises three levels of time, space and travel; the feature variables of the unmanned aerial vehicle order-combining distribution travel emission reduction benefit prediction model are input into a pre-established optimization prediction model, a carbon emission reduction benefit prediction result is obtained through output, and the pre-established optimization prediction model is obtained after key hyper-parameters are optimized through a Bayesian hyper-parameter optimization method by means of a gradient lifting model.

The application relates to a ferroelectric monolayer vanadium trichloride film and a preparation method thereof. The method comprises the following steps: evaporating and depositing VCl3 powder on the surface of a NbSe2 substrate under an ultrahigh vacuum atmosphere, and performing annealing treatment, so that the ferroelectric monolayer vanadium trichloride film is obtained. The sample preparation strategy of molecular beam epitaxy under an ultrahigh vacuum environment is used, high-purity VCl3 powder is evaporated and deposited on a NbSe2 substrate, an atomically flat monolayer VCl3 sample is obtained through annealing treatment, in-situ scanning tunneling microscope technology and scanning tunneling spectrum technology are combined, and it is determined that the monolayer VCl3 is a semiconductor material with ferroelectricity. The method provides a new method and idea for introducing ferroelectricity in the family of transition metal trichlorides, has high application potential and scientific research value, meanwhile, the successful introduction of ferroelectricity in the system also provides a new platform for carrying out multi-state regulation and research.

The invention relates to the technical field of test design, in particular to a key factor mining-based accommodating and arranging condition optimization method, medium and equipment, which are characterized in that accommodating and arranging conditions are generated by analyzing a target text, an initial simulation queue is constructed in combination with database retrieval, and baseline feature distribution is analyzed, so that representative research crowds can be obtained without real object recruitment; the test cost is reduced; a panoramic object feature matrix is constructed by integrating multi-dimensional data, the limitation of a single feature is broken through, and comprehensive data support is provided for key factor mining; the contribution degree of each characteristic variable to the preset key outcome is analyzed based on the matrix, and the key characteristic variables are positioned, so that the experience driving is changed into the data driving, and the scientificity and the pertinence of the accommodating and arranging condition design are improved; the accommodating and arranging conditions are dynamically adjusted through the closed-loop optimization process, it is ensured that the target accommodating and arranging condition set gives consideration to queue representativeness, feature pertinence and distribution rationality, and the design scientificity and success rate of clinical tests are improved.

The invention discloses a clinical tag labeling method, system and equipment based on a standardized time sequence and a medium, and relates to the technical field of clinical event fusion and dynamic tag generation, and the specific steps are as follows: obtaining clinical event data of a patient from different clinical business systems in real time, dividing cycle attribution for the clinical event data, and determining the clinical event data; and establishing a dynamic weight calculation model to allocate dynamic weight values, establishing a periodic clinical state inference model by adopting a convolutional neural network and training the periodic clinical state inference model, inputting weighted summary clinical feature vectors in a current patient period according to the trained periodic clinical state inference model, and outputting clinical tags corresponding to patients. According to the invention, clinical label labeling based on a standardized time sequence is realized, multi-source clinical event data from different clinical business systems can be collected in real time, event weights are reasonably distributed through a dynamic weight calculation model, a periodic clinical state is deduced by using a convolutional neural network, and clinical labels of patients are automatically generated.

The invention relates to an optical element testing system, in particular to an optical element performance testing system and method based on ultralow-temperature high-vacuum coupling, and aims to solve the problem that an existing testing system cannot test the performance of an optical element while simulating an ultralow-temperature and ultrahigh-vacuum sequential coupling environment. Precision testing equipment is protected, and all-parameter and multi-attitude stable and accurate testing of the optical element is achieved. The system comprises a testing container and a tested container which are communicated with each other, and a high-reflectivity one-way film evaporation container is arranged in the testing container and used for slowing down temperature and pressure sudden change during vacuumizing so as to protect internal testing equipment; a contact type optical element clamping cold box is arranged in the tested container, is connected with the optical element through a flexible cold chain, and is matched with a liquid nitrogen / gas nitrogen system to realize proportional temperature regulation. The device can safely and truly simulate the extreme environment of a spaceflight deep space, and achieves the stable and accurate testing of all parameters and multiple attitudes of the optical element.

The present invention discloses carbazole methyl phenyl ether derivatives, preparation methods and applications thereof. The structure of the carbazole methyl phenyl ether derivatives is shown in general formula I or II: Currently, most of the small molecule compounds targeting PD-L1 protein use a biphenyl structure as a parent nucleus. The carbazole methyl phenyl ether derivatives in the present invention patent have made a breakthrough in the structural skeleton of the compound, with a more novel structure and stronger innovation. Compounds Z8 and Z9 also show good biological activity. Therefore, this series of carbazole methyl phenyl ether derivatives have higher development potential and research value.

This invention discloses a magnetically integrated three-phase EMI filter, comprising a toroidal magnetic core and a Y-shaped magnetic arm. The Y-shaped magnetic arm is placed inside a window of the toroidal magnetic core, with an air gap between the tip of each magnetic arm and the toroidal magnetic core. Three-phase windings are symmetrically wound on the toroidal magnetic core and the Y-shaped magnetic arm: the three-phase windings on the toroidal magnetic core are wound in the same way as a three-phase common-mode choke, and the three-phase windings on the Y-shaped magnetic arm are wound in the same way as a conventional EE-type three-phase differential-mode inductor. The output terminals of the windings on the toroidal magnetic core are connected to the input terminals of the in-phase windings on the Y-shaped magnetic arm. This filter allows for independent adjustment of the differential-mode and common-mode inductors. Under the same interference suppression performance, the magnetically integrated filter of this invention significantly reduces size and weight compared to conventional three-phase EMI filters. This invention has high research and application value for high-performance, high-reliability permanent magnet synchronous motor drive systems.

The invention discloses a preparation method and oil production application of a gel adsorption material of sodium alginate-embedded PNAGA-bamboo charcoal-green algae active cells, wherein low-concentration liquid PNAGA is mixed with a certain concentration of green algae liquid and bamboo charcoal, NaHCO₃ and glacial acetic acid are added to form bubbles, and then a cross-linking agent CaCl₂ is added to form gel spheres. Then the material is left to stand for a period of time to age, and is taken out and repeatedly rinsed with deionized water for several times before reuse. The sodium alginate-embedded-bamboo charcoal-algae / PNAGA hydrogel composite material provided by the invention can be reused, raw materials can be recycled, and the structure is stable, the energy consumption is low, the treatment effect is good, and the application range is wide. The material can increase the performance of adsorbing sewage dyes in coordination with ultrasound, and can accumulate and produce lipids at the same time, and has high research value and application advantages.

This invention provides a carbon nanotube / polypyrrole / MoS 2 Composite electrode materials and their preparation methods, along with their application in CDI desalination, first employ in-situ polymerization to construct a 3D conductive interconnect structure from multi-walled carbon nanotubes and polypyrrole as a growth substrate, and then anchor MoS2 on its surface via a hydrothermal reaction. 2 Nanosheets to alleviate MoS2 2 Stacking of nanosheets. 3D conductive carbon nanotubes / polypyrrole improve the wettability of the composite material, provide a convenient movement path, accelerate charge transport rate, and promote ion diffusion. MoS 2 The enhanced dispersion and expanded layer space of the nanosheets provide ample intercalation sites for ion capture and rapid transfer. The tight chemical coupling of the Mo-N-C bonds ensures the structural stability of the composite electrode material. Therefore, the composite electrode material of this invention exhibits excellent adsorption capacity, ultrafast deionization rate, strong stability, and regenerability, making it a valuable reference and research material for the development of novel, high-efficiency desalination electrode materials.

The invention provides a material surface high-precision directional irradiation grafting method based on synchrotron radiation, and the method comprises the steps: S1, constructing a high-precision directional irradiation grafting system which comprises a KB mirror, a four-knife slit assembly, an attenuation assembly and a sample control assembly which are connected through a vacuum pipeline and are sequentially arranged along an axis; s2, the high-precision directional irradiation grafting system is used in cooperation with a synchrotron radiation scattered ray station system, photon beams are restrained to be within a very small space range, and then precise micron-order directional irradiation based on synchrotron radiation is achieved on the surface of the material. On the basis of the existing equipment of the synchrotron radiation scattered ray station, the high-precision directional irradiation grafting system is constructed through the KB mirror, the four-knife slit assembly, the attenuation assembly and the sample control assembly, and is matched with a synchrotron radiation scattered ray station system for use, so that the irradiation grafting requirements of local customization such as crosslinking area, crosslinking dosage rate and crosslinking type are met, and the irradiation grafting efficiency is improved. Therefore, the method has a good application prospect.

The invention belongs to the technical field of synthesis of pharmaceutical and chemical intermediates, and particularly discloses a method for synthesizing quinazolinone and derivatives thereof by photocatalytic three-component cascade reaction, which specifically comprises the following steps: dissolving isatoic anhydride, aldehyde compounds and ammonium formate or primary amine in an organic solvent, and reacting under the combined action of a photocatalyst, illumination, the solvent and an additive to obtain the quinazolinone and derivatives thereof. The quinazolinone derivative is synthesized through a one-pot method multi-component cascade reaction. According to the invention, cheap and easily available isatoic anhydride, aldehyde, ammonium acetate or amine are used as raw materials, the reaction condition is mild, the operation is simple, the selectivity and yield of the product are relatively high, no metal catalytic reaction exists, the use of noble metals and toxic reagents is avoided, and the industrial application prospect is wide. The method provides a cheap and green way for the preparation of the quinazolinone compound, and accords with the green chemistry development concept.

The invention discloses Thailand hansenula polymorpha QJJY15 and application thereof, and belongs to the technical field of microorganisms. The hansenula polymorpha QJJY15 is preserved in the Guangdong Microbial Culture Collection Center on August 14, 2024, and the preservation number of the hansenula polymorpha QJJY15 is GDMCC (China General Microbiological Culture Collection Center) No: 65007. The hansenula polymorpha QJJY15 provided by the invention is used for fermenting green kumquat fruit pulp to prepare green kumquat fermented freeze-dried powder, so that the inhibition effect on the activity of alpha-glucosidase and the oxidation resistance can be remarkably improved, the release of phenolic compounds is promoted, the content of polyphenol and limonin substances is remarkably increased, and the green kumquat fermented freeze-dried powder can be used for preparing the green kumquat fermented freeze-dried powder. Meanwhile, the composition of polyphenol types is improved, the deep processing product forms of the green kumquats are enriched, the high-value application way of the green kumquats is widened, and the method has a good application prospect.

The invention discloses an intelligent plankton collection net system which comprises a control unit, and the control unit is connected with an execution module used for collecting plankton; the parameter setting module is used for setting and changing the sampling depth, the sampling time, the sampling frequency and the sampling amount in the previous and later periods; the real-time environment detection module is used for monitoring water area environment parameters in real time after the system is started and transmitting data to the control unit; the optimization module is integrated in the control unit, processes and analyzes the real-time environment data through a self algorithm, and optimizes an acquisition strategy according to a preset condition or the real-time data; compared with the prior art, the system has remarkable advantages in automation, intelligence and sampling efficiency, can automatically monitor the environment and automatically collect and store plankton samples, realizes the integration of real-time monitoring of environmental parameters, intelligent optimization of a sampling strategy and automatic and accurate sampling, and remarkably improves the efficiency, accuracy and scientific research value of plankton sample collection.

The invention discloses a patterned two-dimensional electron gas topology pitch line semimetal and a design method thereof, and the design method comprises the steps: carrying out the symmetry analysis of 17 types of two-dimensional wallpaper groups, and dividing the 17 types of wallpaper groups into two-dimensional dot type / non-dot type groups according to the symmetry analysis result, namely whether non-dot type operation exists or not; lattice structure design is carried out on the non-point group, the position of each lattice point is determined, and an external periodic adsorption layer structure is obtained; filling the patterned two-dimensional electron gas model according to the designed adsorption layer structure to obtain a patterned two-dimensional electron gas superlattice structure; the patterning two-dimensional electron gas superlattice topology nodal line semimetal energy band structure is researched by adopting multiple methods, and the method comprises three research methods of symmetry analysis, numerical calculation and analytical processing. According to the invention, a new possibility is provided for the design of the topological quantum device based on the topological Dirac nodal line semimetal, and the method has extremely high scientific research value and application potential.

The application relates to the technical field of cell culture, and discloses a tracheal fibroblast cell and application thereof, the cell being a guinea pig tracheal fibroblast immortal cell, and the preservation number being CGMCC No. 46764. In the application, the cell has good susceptibility to respiratory tract pathogens and excellent transfection efficiency. The cell can be used for isolating or culturing respiratory tract pathogens, preparing respiratory tract pathogen vaccines, screening and / or preparing medicines for preventing and / or treating diseases caused by respiratory tract pathogens, serving as a host cell for researching respiratory tract pathogens, detecting respiratory tract pathogens for non-diagnostic purposes, and constructing an in-vitro model of respiratory tract pathogen infection, and has high scientific research value and practical application potential.

The utility model discloses a kind of abandoned mud vacuum-shaft-electroosmosis combined dewatering test devices, belong to geotechnical test technical field.The device is composed of modularized model cylinder, direct-current power supply system, measurement system, vacuum pump and vertical vacuum drainage body.Model cylinder is formed by bolt connection and encryption sealing ring stacking by top cylinder, middle cylinder and bottom cylinder, height can be flexibly adjusted and good airtightness is maintained;Standard quick connector is equipped on cylinder side, vacuum gauge and pore pressure sensor are conveniently connected.Direct-current power supply connected anode and cathode electrode piece are respectively placed on mud top surface and bottom surface, vertical vacuum drainage body is through to bottom horizontal drainage layer and is fixed in positioning frame, and constitute vacuum-shaft combined drainage channel.The device is coupled by vacuum, shaft and electroosmosis, effectively overcome vacuum pressure transmission attenuation, drainage path too long and electroosmosis dewatering unevenness etc., can realize the accurate research of mud different depth dewatering mechanism, with the advantages of fast dewatering, simple operation and environmental protection high efficiency.

A split type detachable anti-sand wind speed profile collector comprises a cylindrical sleeve, a measuring probe, a probe plug-in, a connector and a packaging part, wherein the probe plug-in is connected to the cylindrical sleeve by a fixing screw; the measuring probe is connected to the probe plug-in; 8-10 probe jacks are arranged on the probe plug-in, and the interval between the probe jacks is 2mm~10mm; the measuring probe is composed of a total pressure pipe and a static pressure pipe, one end of the total pressure pipe is provided with a total pressure air inlet and a total pressure air outlet; one end of the static pressure pipe is provided with a static pressure air inlet and a static pressure air outlet; the static pressure air inlet is connected with the static pressure air outlet; and a baffle and a fixing screw are arranged at the tail end of the measuring probe. The present invention is assembled according to the shape characteristics of the experimental detection model, and can determine the suitable height and the height of the measuring probe, which greatly reduces the influence on the airflow flow field test on the model surface, greatly improves the accuracy of the measurement data, and avoids the data deviation caused by human factors caused by multiple measurements through multiple movements in the previous flow field test, so as to achieve the synchronization and consistency of the flow field measurement in the wind tunnel.

This invention belongs to the fields of molecular biology and molecular marker technology, specifically relating to a SNP molecular marker located on chromosome 5 that is associated with abnormal serum lipase levels in pigs and its application. The SNP site of the described molecular marker corresponds to the T / A mutation at position 94933629 bp on chromosome 5 of the International Pig Reference Genome 11.1. Polymorphism at this site affects the incidence of abnormal serum lipase levels in Wuzhishan pigs. By optimizing the dominant allele at the aforementioned variant site, the frequency of the dominant allele can be increased generation by generation, reducing the incidence of abnormal serum lipase levels in Wuzhishan pigs. This invention utilizes molecular breeding methods to solve the genetic improvement problem of abnormal serum lipase levels in Wuzhishan pigs, improving the commercial and scientific research value of Wuzhishan pigs, accelerating the progress of genetic improvement in Wuzhishan pigs, and thus effectively improving the economic benefits of breeding pigs.

The application provides a method for preparing a low-cost positive electrode material of a potassium ion battery by using iron elements, and belongs to the field of new energy materials.The specific implementation steps of the method are as follows: (1) performing solvent thermal treatment on raw material powder; (2) performing pre-calcination on the powder obtained in step 1; (3) performing tabletting treatment on the product obtained in step (2); and (4) performing high-temperature calcination on the product obtained in step (3).The positive electrode material prepared by the method has a non-layered structure, and has the advantages of simple process, low cost and suitability for large-scale production, and the electrochemical performance of the positive electrode material applied to the potassium ion battery has great research value.

This invention belongs to the field of animal molecular genetics and breeding technology, specifically relating to a SNP molecular marker located on chromosome 3 that is associated with abnormal serum alkaline phosphatase levels in pigs and its application. The SNP site of the aforementioned molecular marker corresponds to the T / C mutation at position 53681151 bp on chromosome 3 of the International Pig Reference Genome 11.1. Polymorphism at this site affects the incidence of abnormal serum alkaline phosphatase levels in Wuzhishan pigs. By optimizing the dominant alleles at the aforementioned variant site, the frequency of dominant alleles can be increased generation by generation, reducing the incidence of abnormal serum alkaline phosphatase levels in Wuzhishan pigs. This invention utilizes molecular breeding methods to solve the genetic improvement problem of abnormal serum alkaline phosphatase levels in Wuzhishan pigs, improving the commercial and scientific research value of Wuzhishan pigs, accelerating the progress of genetic improvement in Wuzhishan pigs, and thus effectively improving the economic benefits of breeding pigs.

The invention relates to the technical field of cell culture, and discloses a tracheal epithelial cell and application thereof, the cell is a guinea pig tracheal epithelial immortalized cell, and the preservation number is CGMCC No. 46763. In the invention, the cell has good susceptibility to respiratory pathogens, and has excellent transfection efficiency. The cells can be used for separating or culturing respiratory pathogens, preparing respiratory pathogen vaccines, screening and / or preparing medicines for preventing and / or treating diseases caused by the respiratory pathogens, serving as host cells for researching the respiratory pathogens, detecting the respiratory pathogens for a non-diagnostic purpose and constructing organoids. The method has high scientific research value and practical application potential.

The present invention provides an electric furnace device with an integrated multiple power supply structure, including a furnace body device, a furnace cover device, an electrode lifting system, a power supply system and a short-circuit device. The furnace body device is composed of a furnace body, a furnace tilting motor, a furnace body support base and a furnace bottom electrode. The furnace cover device is composed of a furnace cover and a furnace cover track. The electrode lifting system adopts a trolley-type cross arm column lifting structure, driven by a motor reducer, driven by a transmission assembly, manually clamped electrodes, and copper bars are conductive. The three-phase controllable polarity power supply system includes a transformer device, a power supply cabinet and a reactor. The short-circuit device refers to a conductive line from the secondary outlet end of the transformer to the tail end of the electrode cross arm, which is a comprehensive name for conductive copper pipes, conductive copper bars, soft connection compensators, water-cooled cables, and conductive soft wires. The present invention can realize three power supply structures on an electric furnace, namely, three-phase AC power supply, unipolar DC power supply, and three-phase controllable polarity power supply, so as to realize multiple uses of one furnace.

The application discloses a modulation method for suppressing common-mode voltage high-frequency harmonics. The method re-synthesizes a virtual voltage vector, adopts a virtual voltage vector to synthesize a reference vector, and adopts effective vectors with opposite phases to synthesize a zero vector, so that common-mode voltage waveforms between carrier periods are completely identical and positive and negative polarity acting time is equally divided. According to the characteristics of the common-mode voltage waveform, the modulation strategy can completely eliminate harmonics at even multiple carrier frequencies and sideband harmonics near each carrier frequency while reducing the common-mode voltage amplitude, and effectively reduces the adverse effects caused by the common-mode voltage amplitude and high-frequency harmonics. The modulation method greatly reduces the content of common-mode voltage high-frequency harmonics, reduces harmonic loss and the adverse effects of the common-mode voltage on a motor system, and has high research value and application value.