358results about How to "Good reproducibility" patented technology

The invention discloses a method for preparing a single-layer tungsten diselenide nanoband based on a space confinement strategy. By changing the flow and the growth time of hydrogen, effective control on the width and the thickness of a nanoband can be realized. The method comprises the following steps: uniformly spraying tungsten trioxide powder to one substrate, then covering the substrate by the other substrate, and forming micro reaction space which is of a 'sandwich'-like structure. Growth of a tungsten diselenide nanoband is carried out by utilizing a constant-pressure chemical vapor deposition method; physicochemical characteristics of a one-dimensional transition metal chalcogenide strongly depend on suspension key types on the edge of the one-dimensional transition metal chalcogenide, metallic properties are displayed by an ultranarrow band, and conversion from the metallic properties to semiconductor properties can be displayed from the edge to the center of a wider band; the tungsten diselenide nanoband is widely applied to micro-nano photoelectric devices due to the special property; industrial production of the tungsten diselenide nanoband can be realized through an experimental method of the invention.

The invention discloses an automatic extraction method for semiconductor device model parameters, and the method comprises the steps: obtaining a multi-target response through the key parameters of a semiconductor device model, and constructing and training an agent model to predict a target response mean value and uncertainty parameters; constructing a multi-objective optimization collaborative circulation framework assisted by an agent model; generating a candidate parameter population in key parameters according to a position updating mechanism of a multi-objective optimization algorithm, predicting candidate parameters by using a trained proxy model, selecting the candidate parameters according to a prediction result to carry out real simulation evaluation, adding an obtained real sample into a non-dominated file, and updating the file based on a non-dominated relationship. Adding a training set dynamic updating agent model into the real sample, generating a potential search trajectory, selecting a representative representative Pareto approximate solution from the potential search trajectory, and updating the position of the population and the direction of the next-generation search trajectory according to the representative solution selected from the file; and terminating the circulation, outputting the solution set in the file, and checking.

The invention belongs to the technical field of plant planting, and discloses a plant root zone water-retaining agent targeted application method and system based on an intelligent model, and the method comprises the steps: obtaining plant parameter data, planting pit structure data and soil texture data; determining a root zone radius and a root zone effective depth, calculating a root zone cross section area and a root zone volume, and obtaining the number of layers and the volume of each layer; obtaining a water supply event record and a water content time sequence, obtaining a root zone equivalent infiltration volume, and obtaining a root zone effective water retention volume; calculating the notch volume of the effective moisture supply of the root zone by combining the effective moisture retention volume of the root zone, and endowing the notch with a grade mark; pre-constructing a water-retaining agent application prediction model, and outputting a water-retaining agent target dosage and layered putting proportion set; correcting an output result of the water-retaining agent application prediction model; modeling analysis is carried out on the moisture retention and notch of the root zone through the model, the water-retaining agent dosage and the layering proportion are output, and the pertinence and stability of water-retaining agent application are improved.

The invention belongs to the crossing field of network space security, software engineering and artificial intelligence, and discloses a dynamic and static cooperative vulnerability full-link intelligent analysis and verification method based on a large language model and an MCP protocol, and the method comprises the steps: S1, task initialization and context construction; s2, target code deep analysis and static taint preanalysis are carried out; s3, carrying out Fuzzing Harness directional generation and iterative optimization on the basis of the stain paths; s4, performing dynamic and static collaborative sandbox execution and dynamic stain tracking; and S5, vulnerability accessibility judgment and report output of multi-source data fusion are carried out. According to the method, a dynamic and static combination mechanism is adopted, vulnerability analysis and verification can be automatically completed for software target codes, and accurate technical support is provided for vulnerability risk grading and repairing priority ranking.

The invention provides a digital quantum simulation method, which comprises the following steps of: performing symmetry analysis and subspace decomposition on a target Hamiltonian to obtain an effective Hamiltonian and a symmetry constraint condition; constructing a target unitary operator according to the effective Hamiltonian, and initializing a quantum circuit population of the target unitary operator; calculating entanglement characteristics of each quantum line in the quantum line population, performing structure variation on the quantum line population based on the entanglement characteristics, and performing line fragment crossing in combination with a symmetry constraint condition to obtain a candidate line set; performing line parameter optimization on the candidate line set based on the fidelity gradient to obtain an optimized line set, and extracting gate distribution structure features of the optimized line set; and non-uniform sampling is carried out on the optimized line set based on gate distribution structure characteristics to obtain a sampling line subset, an optimal quantum line is screened out from the sampling line subset based on the deviation between an experimental observation value and a theoretical expected value, and quantum simulation is carried out based on the optimal quantum line.

This invention discloses a weight management system, method, device, and storage medium for overweight and obese individuals based on standardized operating procedures, belonging to the field of health management technology. It includes an information collection and standardized input module; a health risk analysis and assessment module; a personalized intervention plan configuration module; a dynamic intervention execution and tracking management module; and an effect evaluation and optimization feedback module. The system of this invention achieves standardized collection of multi-dimensional basic data of users, health risk assessment and classification, standardized health risk assessment and classification, and effect evaluation and optimization feedback by constructing a collaborative operating system of the information collection and standardized input module, the health risk analysis and assessment module, the personalized intervention plan configuration module, the dynamic intervention execution and tracking management module, and the effect evaluation and optimization feedback module. Simultaneously, it identifies abnormal behaviors and generates early warning information through early warning rules, and uses the effect evaluation and optimization feedback module to comprehensively evaluate and dynamically optimize the intervention plan execution process.

This invention belongs to the technical field of lithium-ion battery cathode materials, specifically relating to a sulfonic acid-based organic polymer, a sulfonic acid-based organic polymer / carbon nanotube composite material, its preparation method, and its application. The sulfonic acid-based organic polymer is prepared by a dehydration condensation reaction of 2,5-diaminobenzenesulfonic acid and hexaazabenzophenanthrene hexacarboxylic acid trianal. When used as a lithium-ion battery cathode material, it exhibits high specific capacity and excellent cycle stability, overcoming the solubility problem of organic cathode materials in electrolytes. When the sulfonic acid-based organic polymer is combined with carbon nanotubes and applied to lithium-ion battery cathode materials, battery performance is significantly improved, and the capacity remains stable even after long-term cycling. The synthesis methods of the sulfonic acid-based organic polymer and the sulfonic acid-based organic polymer / carbon nanotube composite material of this invention are simple, have abundant raw material sources, and good reproducibility, making them suitable for industrial production and possessing broad application prospects in the field of lithium-ion batteries.

The application discloses an enzyme-electron medium micro-nano composite for biosensing and a preparation method and application thereof. A dehydrogenase for electrochemical detection and an electron medium are jointly loaded in a cavity of a carrier, the carrier is contracted through chemical or physical stimulation, and electron medium molecules in the cavity are forced to be distributed around active centers of the dehydrogenase, so that a contractible limited microsphere structure is obtained. The enzyme-electron medium micro-nano composite obtained by the application can significantly improve a response current generated by unit enzyme catalysis, enhance the stability of the enzyme, and effectively prolong the service life of a sensor.

This invention discloses a method and system for testing distribution network cabinets based on IEC104 network communication, comprising: establishing an IEC104 communication connection, acquiring parameter information, and creating control and feedback data structures; sending ASDU150 control messages, receiving ASDU153 and ASDU152, and writing them into two types of data structures; extracting feedback time series data, inputting it into an improved TadGAN model, and generating reconstructed sequences and errors; establishing a control feedback phase-locked window, extracting feedback messages within the window, and generating corresponding data sets; listening to feedback messages under zero control conditions, recording change information, and generating passive disturbance data sets; performing analysis and judgment based on multiple types of data, and outputting input / output acquisition link testing and diagnosis. This invention achieves automated testing and anomaly diagnosis of the input links, output links, and acquisition links of distribution network cabinets through time-series correlation analysis of IEC104 control messages and feedback messages and feedback time series reconstruction processing.

The application discloses an electrochemical sensor and a preparation method and application thereof. The electrochemical sensor comprises a three-electrode system composed of a working electrode, a reference electrode and a counter electrode, wherein the working electrode is composed of a base electrode, a molybdenum disulfide nanoparticle modification layer and a polyethylene dioxythiophene layer; the molybdenum disulfide nanoparticles are loaded on the surface of the base electrode through a drop coating method, and the polyethylene dioxythiophene is in-situ loaded on the surface of the molybdenum disulfide nanoparticle modification layer through an electro-polymerization reaction. The electrochemical sensor can be used for detecting lead ions in water bodies, has the advantages of simple preparation, stable performance, suitability for an acidic medium and the like, and is suitable for practical application and popularization.

The invention discloses a method for identifying Xinhui pericarpium citri reticulatae and pericarpium citri reticulatae, which is characterized in that four active ingredients including hesperidin, nobiletin, tangeretin and 2-methylamino methyl benzoate are simultaneously detected through high performance liquid chromatography, and distinguishing is realized according to detection data. The method comprises the following specific steps: preparing a mixed reference solution and a test solution, extracting a test with methanol, performing ultrasonic treatment, and filtering, specific chromatographic conditions are adopted for detection, the detection wavelength of the hesperidin is 283nm, and the detection wavelengths of the other three components are 330nm. Test results show that the contents of the four active ingredients in the Xinhui pericarpium citri reticulatae are high, the content of methyl 2-methylaminobenzoate is not lower than 0.020%, the ratio of the total amount of nobiletin and tangeretin to hesperidin is not lower than 0.17, and related indexes of the pericarpium citri reticulatae are remarkably low. The method is efficient, accurate, stable and reliable, and provides technical support for standardizing market circulation, guaranteeing product quality and promoting standardized development of the Xinhui pericarpium citri reticulatae industry.

The invention relates to a high-entropy ceramic capacitor, a ceramic dielectric material for the high-entropy ceramic capacitor and a preparation method, the raw material composition of the ceramic dielectric material comprises NaNbO3, (Na0. 2Bi0. 2Ba0. 2Mg0. 2Zn0. 2) TiO3, H3BO3, CaZrO3 and the like, by controlling the raw material ratio and preparation process parameters of sodium niobate and adopting a multi-step grinding synthesis method, NaNbO3-based high-entropy ceramic is designed, so that the insulation resistance of the high-entropy ceramic capacitor is effectively improved; on the other hand, chemical modification treatment is carried out by introducing (Na0. 2Bi0. 2Ba0. 2Mg0. 2Zn0. 2) TiO3, H3BO3, CaZrO3 and the like, so that the structural stability of an antiferroelectric phase is enhanced, the compactness of the material is improved, and finally, the energy storage performance of the material is optimized and improved.

The invention relates to the technical field of adsorbent materials, and discloses a CoMn2O4 spinel adsorbent and a method for removing trivalent antimony in a water body by using the CoMn2O4 spinel adsorbent. The adsorbent is prepared by adopting a co-precipitation and low-temperature thermally induced crystallization synergetic green process: dissolving cobalt salt and manganese salt according to a stoichiometric ratio, dropwise adding a sodium hydroxide solution for co-precipitation, washing an obtained precursor, and drying at 80-120 DEG C under normal pressure for 12-48 hours to directly obtain the adsorbent. According to the method, the spinel material with low crystallinity, high specific surface area and rich surface hydroxyl is controllably synthesized by regulating and controlling the concentration of the precipitator and the drying condition, and the problems of active site loss and high energy consumption caused by traditional high-temperature calcination are avoided. When the composite material is used for treating wastewater containing trivalent antimony, antimony ions can be efficiently removed through the adsorption effect under the appropriate pH condition, excellent adsorption capacity is shown, the technology is simple, cost is low, safety is good, and an efficient and stable adsorption material and a feasible method are provided for water body antimony pollution treatment.

This application provides a resource planning method, apparatus, electronic device, medium, and program product, which can be applied to the fields of cloud computing technology and artificial intelligence technology. The method includes: acquiring resource observation information and knowledge representation information of a target sub-institution, wherein the knowledge representation information is information generated or provided by multiple teacher models constructed by multiple sub-institutions based on local resource usage history information, and the knowledge representation information includes model parameters and / or soft labels; determining teacher knowledge suitable for the target sub-institution based on the resource observation information and knowledge representation information; training or updating the student model of the target sub-institution based on the teacher knowledge to obtain a resource prediction model; obtaining resource usage prediction results based on the resource observation information and resource prediction model; and generating resource planning suggestions based on the resource usage prediction results.

The invention discloses a dual-mode detection kit for highly sensitive detection of ERalpha based on HRP-streptavidin. The dual-mode detection kit comprises the following raw materials: a glassy carbon electrode, 1-AP-CNHs, AuNPs, Sh-Apt, MCH, Bio-Ab, and HRP-streptavidin. The invention successfully constructs an electrochemical detection kit for detecting ERalpha with high sensitivity on the basis of the 1-AP-CNHs / AuNPs composite material. According to the invention, due to the redox activity of HRP-streptavidin, the HRP-streptavidin and H2O2 are subjected to redox reaction to generate a current signal; in addition, hydrogen peroxide can be catalyzed to generate. OH free radicals, and the free radicals can oxidize TMB to generate blue products, so that colorimetric reaction is initiated, and ERalpha can be detected more accurately. The electrochemical-colorimetric dual mode of the 3D 1-AP-CNHs / AuNPs composite material and the HRP-streptavidin for high-sensitivity detection of the ERalpha disclosed by the invention greatly improves the detection accuracy. The kit has the advantages of good selectivity, strong stability, high sensitivity, anti-interference performance, environmental protection and the like.

The present application relates to mosquito liquid technical field, disclose a kind of environmental protection type mosquito repellent electric mosquito coil liquid with bio-based solvent and its preparation method, the electric mosquito coil liquid by mass percentage, including the following components: bio-based solvent 80%~85%, active ingredient 0.8%~1.9%, antioxidant 0.05%~0.2%, stabilizer 0.1%~0.5%, the rest is C1-C3 alcohol;Its preparation method includes: active ingredient and part bio-based solvent are dissolved to obtain active pre-solution;Remaining bio-based solvent is mixed with antioxidant, stabilizer to obtain main mixed solution;Active pre-solution is added to main mixed solution and homogenization treatment is carried out;Then in turn degassing treatment, standing ripening, filtration, filling, sealing, finished product is obtained.The present application uses bio-based solvent to replace traditional petroleum-based solvent, renewable, low irritation, and volatile uniform and stable, suitable for infant and the environment of sensitive population such as old people, and environmental protection is good.

The utility model discloses a SF6 gas micro -water density monitoring devices contains micro -water detection module, inlet pipe, exhaust pipe, pump body, L type telescopic pipe and butt joint, drying cylinder, place cavity, step support surface, filter cartridge (infill drying agent), sliding sleeve, upper / lower limit convex ring, sliding groove and convex strip, boss, extruding block, fixed peg, spring, connecting rod, pressure gauge, wireless transmitting module, when working, the pump body draws gas and enters drying cylinder after micro -water detection, conical hole and extruding block - step support - sliding sleeve constitute forced flow structure, and make sample gas to pass through filter cartridge reflux equipment, and pressure gauge and wireless transmission realize pressure monitoring and data report, and the structure is convenient for installation maintenance, and inhibits bypass, and stable reflux moisture content, and improves detection result consistency.

The invention relates to a detection method of a medicine for dispelling wind and eliminating dampness. The detection method comprises the following steps: thin-layer identification of a notopterygium root medicinal material, thin-layer identification of a radix angelicae pubescentis medicinal material, thin-layer identification of a radix saposhnikoviae medicinal material, thin-layer identification of ligusticum and ligusticum wallichii medicinal materials, and thin-layer identification of a honey-fried licorice root medicinal material. Through methodological investigation, the detection method has the effects of strong specificity, good durability, clear spots after thin layer expansion, satisfactory separation degree and the like, can effectively control the product quality condition, improves the product quality detection standard, and ensures the product quality.

The present application belongs to the technical field of traditional Chinese medicine composition, and relates to a traditional Chinese medicine transdermal external preparation for treating vulvar hypopigmentation disease. The preparation is a paste prepared by mixing traditional Chinese medicine powder and horse oil. The traditional Chinese medicine powder is composed of the following raw materials by weight: Xuchangqing 10-12, Pugongying 10-15, Difusiduo 12-15, Tuzifuding 12-15, Baiji 10-15, Huzhang 9-12, Quansie 6-10, Diyu 10-12, Xuezhi 10-12, Danggui 6-10, Rushang 6-10, Miedu 6-10, Bingpian 1-3. The traditional Chinese medicine transdermal external preparation has definite and significant effects on vulvar hypopigmentation disease, especially in relieving intractable pruritus, promoting pigment recovery and improving skin sclerosis / atrophy. The traditional Chinese medicine transdermal external preparation has high safety, few adverse reactions and low recurrence rate.

This invention relates to the field of building materials technology, and particularly to a method for determining and evaluating the performance of ethylene-vinyl acetate redispersible latex powder in reconstitution into an emulsion. The method includes the following steps: dissolving ethylene-vinyl acetate redispersible latex powder in water to prepare a latex powder solution of a certain concentration; allowing the latex powder solution to stand for a period of time, then placing it in an ultraviolet spectrophotometer to measure the transmittance, plotting transmittance curves after different standing times, and obtaining the transmittance value of the ethylene-vinyl acetate redispersible latex powder; combining the transmittance curve trend and transmittance value, evaluating the performance of the ethylene-vinyl acetate redispersible latex powder in reconstitution into an emulsion, and providing corresponding application suggestions. The method of this invention is convenient to operate, highly practical, produces stable test results, and has good reproducibility, serving as a reference for the quality evaluation of redispersible latex powder in mortar applications.

This invention discloses a fully passive jammer and a fully passive jamming method for channel knowledge map scenarios. The jammer includes: a data acquisition module for generating a multi-state channel dataset by traversing and controlling the configuration of a reconfigurable smart metasurface and performing channel simulation; a map construction module for constructing a channel path map based on channel state information; a beamforming parameter determination module for determining fixed hybrid precoding parameters based on the channel path map in an interference-free reference scenario; and a performance evaluation module for reusing the fixed precoding parameters and calculating the communication rate based on the real channel state in a dynamic scenario with disco-type reconfigurable smart metasurface interference, thereby quantifying performance loss. This invention transforms dynamic interference into an analyzable channel sequence through multiple simulation sampling, separates beam selection from rate evaluation, objectively quantifies mismatch penalties, and provides a standardized evaluation platform for countermeasure research on disco-type reconfigurable smart metasurfaces.

The utility model provides a spherical tablet, and belongs to the field of pharmaceutical preparations. The spherical tablet comprises an upper hemisphere, a lower hemisphere and a middle belt, and the middle belt is located in the middle of the spherical tablet and is in a belt shape with the same thickness. The upper hemisphere and the lower hemisphere are located on the two end faces of the middle belt, and the two hemispheres are the same in size and shape. The diameter of the middle zone is larger than the diameter of the hemisphere, the diameter of the hemisphere of an upper stamping die and the diameter of the hemisphere of a lower stamping die of a tablet pressing die adopted when the spherical tablet is pressed ranges from 6.5 mm to 10 mm, and the ratio of the arc depth to the diameter of the hemisphere is (0.2-0.4): 1. The spherical tablet is small in size, easy to swallow, high in drug loading capacity and less in taking quantity; and the tablet has the advantages of good compressibility, good hardness, strong shock resistance and wear resistance, small tablet weight difference, facilitation of later coating and other operations, and good uniformity and reproducibility.

This application discloses a compatibilizer for polystyrene / polyolefin blends and its preparation method, belonging to the field of block copolymers. A block copolymer is disclosed, comprising polystyrene blocks and polyethylene blocks; the block copolymer is crystalline; the aggregated structure of the block copolymer consists of a polystyrene microphase region, a polyethylene crystalline region, and a branched amorphous region—three phases coexisting. This block copolymer exhibits extremely high compatibility with both polystyrene and polyolefin materials, effectively reducing interfacial tension between different materials, significantly improving the impact resistance, mechanical properties, and rheological behavior of polystyrene / polyolefin blends, without damaging other properties of the materials, and without side reactions such as crosslinking or degradation; this block copolymer exhibits plastic processing properties at high temperatures and elastomer properties at room temperature, classifying it as a thermoplastic elastomer; this block copolymer is also more flexible and has better transparency.

The invention discloses a key element extraction method oriented to automatic generation of a cognitive electronic warfare test scheme. The key element extraction method comprises the following steps: acquiring a cognitive electronic warfare demand document data set; obtaining a candidate element set based on the demand document data set in combination with task perception template matching and position constraint priority rules; performing semantic sorting and screening on the candidate element set according to hierarchical semantic representation to obtain screened candidate elements; processing the screened candidate elements according to a domain term knowledge base to obtain normalized elements; and obtaining structured key element information based on the normalized elements. According to the method, the unstructured demand text can be converted into the structured quintuple capable of being used for automatic generation of the test scheme in a high-quality mode, coverage, semantic accuracy and term normalization are considered, and engineering deployment and manual review are facilitated.

The scheme discloses a method for quickly and accurately characterizing the chemical reaction activity of milk of lime, and steps are as follows: A: pouring appropriate amount of water into a detection cup and a sample cup, opening a stop valve to make the liquid on both sides communicate, and making the liquid surface reach the upper edge of a communicating pipe and be flush with both sides; B: closing the stop valve and recording the initial conductivity value of the detection cup; C: using a sampling dropper to suck a little milk of lime to be measured and quickly dropping the milk of lime into the sample cup; meanwhile, opening the stop valve and a timer; D: recording the instantaneous conductivity of the liquid phase in the detection cup every other timing unit; E: continuously recording until the conductivity value tends to be stable, and the conductivity meter reading recording is ended after no obvious increase and decrease occurs; F: inputting data into a table to generate a diffusion conductivity-time curve, and characterizing and evaluating the activity of the milk of lime sample through the curve coverage area.

The application relates to a surface enhanced Raman scattering (SERS) substrate, a preparation method and application thereof, and belongs to the technical field of Raman spectrum detection. The substrate comprises, from bottom to top, a substrate layer, a distributed Bragg reflector, a chalcogen phase change material functional layer and a nanoscale metal structure layer. The distributed Bragg reflector is composed of a periodic structure stack of medium materials with different refractive indexes. The distributed Bragg reflector is coupled with the nanoscale metal structure layer to excite a Tamm state. The chalcogen phase change material functional layer can realize reversible regulation of amorphous state and crystalline state under external light excitation, changes the Tamm state resonance wavelength to regulate the SERS enhancement effect. The application realizes high-sensitivity detection through double enhancement of the Tamm state and localized surface plasmon resonance, has the characteristics of non-volatility, reconfigurability, high reproducibility and design flexibility, is convenient to operate, stable in performance, and is suitable for fields of chemical biological sensing, laboratory chip systems and optical encryption.

A eutectic comprising a compound of formula 1 and oxalic acid,

The present application relates to a kind of metal single atom and nanoparticle composite catalyst and its preparation method.By the reasonable proportioning of metal salt, dicyanediamine and urea dosage, high loading single atom and nanoparticle composite catalyst is prepared by simple two-step pyrolysis method, the preparation method is simple, metal loading can be controlled, with good reproducibility and applicable to a variety of metal salt (such as Co, Cu, Ni, Fe, Mn, etc.).Single atom and nanoparticle composite catalyst obtained by the present application can construct a large number of active sites, significantly improve the catalytic activity and stability of catalyst, for degrading sulfonamide organic pollutants, quinolone organic pollutants and tetracycline organic pollutants, or for depolymerization lignin, all of which show excellent catalytic activity, and the degradation or depolymerization effect is higher than that of currently reported catalyst.

The present application relates to the technical field of gene mutation detection, and particularly relates to a system, method and application for detecting exon skipping mutation.The present application constructs a self-catalytic system based on specific double recognition induction of CRISPR-Cas12a, which is used for sensitive and reliable detection of MET 14 exon skipping mutation of lung cancer patients.The system can effectively release the fluorescence signal through the Cas12a auxiliary cutting, and further realize signal amplification through the self-catalytic mechanism.The present application can solve the technical problems of the existing exon skipping mutation detection system, such as complex detection process, long time consumption, and unsatisfactory detection accuracy.The detection system of the present application has high sensitivity, stability and good reproducibility, and the method has low cost, simple operation, short detection period, good specificity, and low false positive rate and false negative rate.The present application is suitable for clinical sample determination and has an ideal application prospect.