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14results about How to "Improve method" patented technology

Manufacturing method of UNS N06690 alloy seamless heat exchange tube

ActiveCN119406965AGuaranteed surface qualityGuaranteed quality and accuracyAlloyChemical test
The invention discloses a manufacturing method of a UNS N06690 alloy seamless heat exchange tube, which belongs to the technical field of material processing, and comprises the following steps of: (1) performing peeling, PT inspection, shearing, centering, grinding, heating, perforating, water cooling and inspection on a round steel material; (2) carrying out acid pickling on the hot-punched blank, and then carrying out incoming material inspection and inner and outer surface grinding; (3) two-pass intermediate product cold rolling is carried out, and after cold rolling, intermediate product deoiling, intermediate product heat treatment, intermediate product straightening, intermediate product pipe cutting, acid pickling, intermediate product grinding and repairing and intermediate product inspection are carried out; (4) carrying out finished product cold rolling; (5) deoiling a finished product; (6) performing heat treatment on a finished product; (7) straightening a finished product; (8) carrying out finished product ultrasonic eddy current, water pressure and pipe cutting, sampling during pipe cutting, and carrying out physical and chemical tests; and (9) the obtained steel pipe is subjected to the procedures of finished product surface inspection, size inspection, cleaning, mark spraying and finishing and finally packaged and warehoused, and the product produced through the method is high in one-time inspection qualification rate and high in yield.
Owner:JIANGSU YINHUAN PRECISION STEEL TUBE CO LTD +1

Glaucoma distinguishing detection method and system based on multi-modal fusion

ActiveCN119313680Aimprove accuracyAddressing Accuracy InsufficienciesImage enhancementImage analysisData integrityOphthalmology
The invention discloses a glaucoma distinguishing detection method and system based on multi-modal fusion. The method relates to the technical field of glaucoma distinguishing detection, and comprises the following steps: collecting glaucoma distinguishing detection data; analyzing glaucoma distinguishing detection data; and comprehensively analyzing, optimizing and adjusting the glaucoma distinguishing detection data quality accuracy. The glaucoma distinguishing detection data is collected and processed, the glaucoma distinguishing detection data is analyzed, the glaucoma distinguishing detection data integrity evaluation index and the glaucoma distinguishing detection data image quality evaluation index are obtained, and the glaucoma distinguishing detection data quality accuracy method is comprehensively analyzed, optimized and adjusted. The accuracy of the glaucoma distinguishing and detecting method and system based on multi-modal fusion is improved, and the problem that the accuracy of the glaucoma distinguishing and detecting method and system based on multi-modal fusion is insufficient in the prior art is solved.
Owner:HUNAN UNIV

Square wave phase modulation and demodulation method and device for multi-wavelength interference displacement measurement

The invention discloses a square wave phase modulation and demodulation method and device for multi-wavelength interference displacement measurement, and the method comprises the steps: modulating the phase of a multi-wavelength optical fiber sensor through employing a square wave signal, and generating an interference signal; and then, filtering, normalizing and normalizing the collected light intensity signal and the square wave modulation signal, and optimizing the signal through the steps of convolution operation, zero value elimination, half-cycle compensation and the like. And performing ellipse fitting by using the optimized signal to obtain parameters, and further performing numerical value correction on the signal. And finally, interference phase information is obtained through arc tangent operation, and accurate measurement of the displacement of the measured object is realized in combination with multi-wavelength composite calculation. The invention aims to realize a brand-new scheme for carrying out phase modulation and demodulation on the multi-wavelength optical fiber interference displacement sensor by using a square wave signal, the method is simple and convenient to operate, and the application of multi-wavelength optical fiber displacement interference measurement by using a phase carrier technology in a phase modulation and demodulation method is widened.
Owner:NAT UNIV OF DEFENSE TECH

A carburizing treatment monitoring system

The present invention discloses a carburizing treatment monitoring system in the technical field of monitoring systems, which solves the problem of poor accuracy in regulating and monitoring carbon potential. The technical key points are: a carburizing treatment monitoring system, including a nitrogen tank, a zero point gas tank, a standard gas tank, an air pump and a gas analyzer. The carbon potential is adjusted by adjusting the CH4 gas concentration to meet the demand for carbon potential during the carburizing treatment process. A feasible method for regulating and monitoring carbon potential is added to the prior art, thereby enriching the method for regulating and monitoring carbon potential. A carburizing treatment monitoring method is also disclosed, including the following steps: zero point calibration; slope calibration; automatic nitrogen purge; early stage of strong carburizing stage; late stage of strong carburizing stage; diffusion stage. Through slope calibration and zero point calibration, and avoiding the influence of the gas in the carburizing furnace on the calibration of the gas analyzer, the advantage of improving the accuracy of regulating and monitoring carbon potential is achieved.
Owner:GUANGZHOU FENGDONG THERMAL REFINING CO LTD

Data transmission control method and apparatus, computer-readable storage medium, computer device, and computer program product

Disclosed in the embodiments of the present application are a data transmission control method and apparatus, a computer-readable storage medium, a computer device, and a computer program product. The method is executed by a computer device, the method comprising: acquiring historical network performance data of each data transmission object of a plurality of data transmission objects, and calculating group network performance data of each object group of a plurality of object groups; performing weighted calculation on the group network performance data of each object group, so as to obtain overall network performance data of the plurality of data transmission objects; inputting the overall network performance data and the respective group network performance data of each object group into a trained reinforcement learning model to obtain a data transmission quality index of each object group; according to the data transmission quality indexes and the respective group network performance data of each object group, determining data transmission parameters of the object groups; and when receiving a data transmission request sent by any target data transmission object of the plurality of data transmission objects, according to an object group to which the target data transmission object belongs, determining a target data transmission parameter, and on the basis of target data transmission parameter, controlling a data transmission process corresponding to the data transmission request.
Owner:TENCENT TECHNOLOGY (SHENZHEN) CO LTD

Preparation of sulfur-rich amino acid protein cmd-copper nanoclusters and method for detecting mercury ions by using the same

The present application mainly relates to a kind of preparation of sulfur-rich amino acid protein CMd-copper nanoclusters and its detection mercury ion method, comprising: a) by prokaryotic expression obtains CMd protein, and the protein concentration of 5 mg / mL-25 mg / mL CMd protein solution is obtained by purification.b) CMd is reacted with reducing agent TCEP after opening protein disulfide bond.c) the protein solution after reduction is reacted with anhydrous copper sulfate, and preparation high fluorescence CMd-copper nanocluster.d) CMd-copper nanocluster is applied to detect heavy metal mercury ion.The application method can be synthesized under mild aqueous conditions by "one-step method" structure controllable, stable CMd-copper nanocluster, widens the raw material of copper nanocluster synthesized with protein as template, avoids the use of organic solvent and strong reducing agent, and reduces the cost and environmental burden brought by noble metal raw material, and also has higher selectivity to mercury ion.
Owner:CHINA AGRI UNIV

Organic-inorganic hybrid antimony-based nonlinear optical crystal material as well as preparation method and application thereof

The invention discloses an organic-inorganic hybrid antimony-based nonlinear optical crystal material as well as a preparation method and application thereof, and belongs to the technical field of optical materials. DMSO has high polarity, high boiling point, good thermal stability and good solubility, the DMSO becomes an appropriate reaction solvent in a Sb < 3 + > system due to the characteristics, meanwhile, oxygen atoms or sulfur atoms on the DMSO have nucleophilicity, so that the DMSO has alkalinity and coordination and can form coordinate bonds with metal cations, and therefore, the DMSO can also be used as a reactant, and the Sb < 3 + > system can be used for preparing the Sb < 3 + > system. The triangular pyramid structure can enrich the structure of the Sb-based compound. According to the invention, dimethyl sulfoxide (DMSO) is taken as a solvent, and a solvent evaporation method is adopted to grow the crystal, so that the problem of hydrolysis of Sb < 3 + > is effectively avoided, the research thought and method of Sb < 3 + > are broadened, and structural distortion is increased due to introduction of DMSO, so that the optical performance of the compound is improved.
Owner:SICHUAN NORMAL UNIV

A four-dimensional detection system for staring confocal microscopy morphology and spectrum

The present invention discloses a staring type confocal microscopic morphology spectrum four-dimensional detection system, comprising an excitation unit, a front optical unit, a microscopic imaging unit, a middle scanning unit, and a rear receiving unit; the excitation light of the sample to be tested is introduced from the excitation unit and incident on the middle scanning unit; the galvanometer system of the middle scanning unit performs two-dimensional scanning, and the emitted excitation light is incident on the microscope objective lens after being reflected by a beam splitter, and focuses on the sample to be tested; the reflected light forms a conjugate microscopic image after imaging; after the signal fluorescence or reflected light returns, one path is finally emitted to an external photodetector, and the other path of signal fluorescence or reflected light is incident on a hyperspectral spectroscopic module to form a fluorescence spectrum or a reflection spectrum. The system fuses three-dimensional microscopic morphology and fluorescence or reflection spectrum data into four-dimensional spectral morphology microscopic data, has extremely high spectral resolution and depth resolution, and has great application value in measurement fields such as in-situ microbial detection and industrial sample microstructure detection.
Owner:ZHEJIANG UNIV

Method for extracting intra-pulse characteristics of composite modulation signal in real time based on FPGA (Field Programmable Gate Array)

The invention provides a method for extracting intra-pulse characteristics of a composite modulation signal in real time based on an FPGA (Field Programmable Gate Array). The method comprises the following steps: firstly, extracting phase information of a signal, identifying phase encoding information of the signal, extracting a code element value and code element position information, then carrying out decorrelation processing on the code element information to obtain the phase information only with frequency modulation, then identifying the frequency encoding information, further extracting frequency modulation characteristics, and finally carrying out frequency modulation. And finally, comprehensively judging whether the signal is an FSK-PSK or FLM-PSK composite modulation signal or not through phase modulation and frequency modulation results. The method has the advantages of high anti-noise capability, high recognition rate and less resource consumption, so that the method can be effectively applied to actual equipment.
Owner:THE 724TH RESEARCH INSTITUTE OF CHINA STATE SHIPBUILDING CORP LTD

Synthesis method of tripolyethylene glycol-acetic acid

PendingCN119591489AImprove methodhigh yieldtert-Butyl acetatePolythylene glycol
The invention discloses a synthesis method of tripolyethylene glycol-acetic acid, which comprises the following steps: firstly converting a raw material 1-methyl-5-hydroxypyrazole into benzyl-PEG4-tert-butyl acetate, then converting into tert-butyl acetate-tripolyethylene glycol, reacting the tert-butyl acetate-tripolyethylene glycol under the action of cation exchange resin IR 120, and carrying out reduced pressure distillation to obtain the tripolyethylene glycol-acetic acid. The target compound tripolyethylene glycol-acetic acid is obtained. According to the synthesis route, an intermediate compound tert-butyl acetate-tripolyethylene glycol is converted into target tripolyethylene glycol-acetic acid by a simple method and ideal yield, and finally, the tripolyethylene glycol-acetic acid synthesis route which has the advantages of high yield, low cost, suitability for process amplification and the like is obtained.
Owner:KEMEC (SHANGHAI) PHARM TECH CO LTD

Method for preparing clean diesel oil by mixing and gasifying cellulosic biomass and pulverized coal

The invention provides a method for preparing clean diesel oil by mixing and gasifying cellulosic biomass and pulverized coal. The method comprises the following steps: carbonizing cellulose biomass to obtain biomass coal, mixing the biomass coal with pulverized coal, feeding the mixture into a gasification furnace, introducing water vapor and oxygen for gasification to obtain raw gas, and then sequentially carrying out conversion, purification, Fischer-Tropsch reaction, intermediate fractionation, hydrorefining, hydrocracking and product fractionation to obtain the clean diesel oil. By combining the characteristics that biomass pulverized coal is rich in hydrogen and less in carbon and the pulverized coal is rich in carbon and less in hydrogen, biomass and pulverized coal are mixed, and a clean diesel oil product with a relatively low condensation point is prepared through indirect coal liquefaction; the co-gasification of the cellulosic biomass and the pulverized coal overcomes the defects of independent gasification, complementary advantages can be realized after the cellulosic biomass and the pulverized coal are mixed, the energy consumption of pulverized coal gasification and shift reaction is reduced, the cost is saved, a clean diesel oil product with a lower condensation point can be prepared through the Fischer-Tropsch synthesis reaction, and the preparation ways and methods of the clean diesel oil are increased. And the dependence on fossil energy can be reduced.
Owner:CHINA ENERGY GRP NINGXIA COAL IND CO LTD +2

Municipal relocation project construction reporting method and device based on CIM technology

The invention discloses a municipal relocation project construction reporting method and device based on a CIM technology. The invention relates to the technical field of project construction data processing, and the method comprises the following steps: collecting urban underground pipe network reconstruction data of a municipal migration and reconstruction project, and carrying out the evaluation and analysis; performing comprehensive analysis to obtain an urban underground pipe network transformation reliability evaluation index; the urban underground pipe network transformation scheme is adjusted; constructing a CIM urban underground pipe network model; and generating an urban underground pipe network reconstruction project construction report. According to the method and the device, the urban underground pipe network reconstruction data of the municipal relocation and reconstruction project are collected, evaluated and analyzed, the urban underground pipe network reconstruction scheme is adjusted according to the evaluation and analysis result, the CIM urban underground pipe network model is constructed, and the construction of the urban underground pipe network reconstruction project is generated, so that the reliability of the municipal relocation and reconstruction project construction method and device based on the CIM technology is improved; the problem that in the prior art, a municipal relocation and relocation project construction method and device based on the CIM technology are insufficient in reliability is solved.
Owner:ZHONGRUI COMM PLANNING & DESIGN

Stator of electric motor and method for manufacturing stator of electric motor

The purpose of this invention is to suppress angular deviation at the shoulder of the segment coil and improve the insertion of the segment coil into the stator core. The stator of the electric motor of this invention comprises a stator core (12) having multiple armature slots (12a) and multiple segment coils (11) formed in a U-shape and inserted into the multiple armature slots (12a). Each segment coil (11) has a shoulder (11a) and a shoulder (11b) formed by bending to form a U-shape. When viewed from the front in the U-shape state, indentations (100a) are formed on the shoulder (11a) and shoulder (11b) in a front-rear direction, recessed from the surface of the shoulder (11a) and the surface of the shoulder (11b). Furthermore, indentations (100a) are also formed on the back of the shoulder (11a) and shoulder (11b).
Owner:ASTEMO LTD