51results about How to "The method is simple and fast" patented technology

The invention belongs to the field of tobacco industry application, and particularly relates to an integrated response platform for cigarette essence blending and a cigarette essence blending method. According to the characteristics of different stages of perfume volatilization, three independent response medium layers are designed in a targeted manner, and according to different types of substances emitted by the perfume in each stage, the number of partitions of each response medium layer and the sensing material printed on the sensing interface base material of each area are designed in a targeted manner; the three independent response medium layers respond to three stages of perfume volatilization respectively, a multi-channel integrated response platform is constructed, perfume body composition is truly restored, manual work is simulated to complete staged perfume evaluation, and essence imitation is rapidly completed.

The invention relates to the technical field of heavy salt water treatment, and provides a short-process evaporation pond concentration reduction method and system.The method comprises the following steps that S1, waste water of an evaporation pond is subjected to primary treatment through a sand filtration system and a composite scale inhibitor; s2, concentrating the wastewater subjected to primary treatment by using a primary concentration system, and concentrating the wastewater in a secondary section concentration system; s3, after the wastewater is concentrated, water produced by the second-section concentration system returns to a water inlet of the first-stage concentration system, water produced by the first-stage concentration system enters a second-stage reverse osmosis filtration system, and water produced by the second-stage reverse osmosis filtration system reaches the standard and is discharged or recycled; wherein a membrane material in the primary concentration system is a modified polysulfone membrane. According to the method, short-process evaporation concentration reduction is achieved through the sand filtration system, the composite scale inhibitor and the multi-stage membrane filtration system, the method is simple and convenient, and low-pressure high-power concentration of the wastewater can be achieved.

The invention discloses a method and a system for determining the interference magnitude of a soluble spherical pig. The method comprises the following steps: acquiring the diameter abrasion of a contact surface per kilometer of the spherical pig, the surface area of the spherical pig, the area of the contact surface of the spherical pig and abrasion test equipment before an abrasion test, and the length and the inner diameter of a natural gas gathering and transportation pipeline to be cleaned; obtaining the ball diameter abrasion of the spherical pig per kilometer; further obtaining the theoretical diameter abrasion of the spherical pig after the pipeline is cleaned; and finally, the interference magnitude of the soluble spherical pig is determined according to the theoretical diameter abrasion of the spherical pig, the inner diameter of the natural gas gathering and transportation pipeline to be cleaned and the allowance of the interference magnitude. The method is simple, convenient, high in operability, high in reliability and practicability and capable of effectively obtaining the magnitude of interference of the spherical pig.

The invention discloses a method for rapidly evaluating the performance of an artificial graphite raw material, which is suitable for soft carbon raw materials such as common petroleum coke and needle coke, and comprises the following steps of: carrying out microstructure quantitative analysis on a crushed and heat-treated sample, and calculating comprehensive structure data by combining contribution factors of different microstructures; meanwhile, the soft carbon raw material is subjected to graphitization treatment to obtain graphite powder for battery assembly, the capacity of a finished battery is tested, finally, comprehensive structure data obtained through calculation is associated with the capacity of the finished battery, the capacity performance of a graphitized product corresponding to the soft carbon raw material is predicted, and the purpose of rapidly evaluating the artificial graphite raw material is achieved. The method is simple, fast, high in accuracy, time-saving, labor-saving and high in efficiency.

The invention discloses a method for detecting environmental DNA of sea squirts and a detection kit thereof, and belongs to the field of molecular biotechnology. The invention provides primers suitable for detecting environmental DNA of at least 10 sea squirts and a multi-sample mixed efficient detection design, including: 16S-F: TTACGACCTCGATGTCG; 16S-R: YYCGTYCTAAACCCARCTC; and / or, COX1-F: CDGAYATAGCTTTTCCTCG; COX1-R: AAATACTAGAVAYYCTAGC; and / or, CYTB-F: CGTDVTATWCATRCDAAYRGDGCTAG; CYTB-R: CAAAAACTTATYTGHCYTCAAGG, and a single-tube efficient and specific amplification system using three pairs of primers at the same time, and a multi-sample mixing and splitting technical method based on primer tag sequences. Using a detection kit, amplification is performed according to a mixed PCR system, and qualitative detection of multiple sea squirts in multiple seawater environmental DNA samples can be performed simultaneously, and the detection system has high sensitivity and high accuracy.

The present invention discloses a method for detecting pathogens by combining a SERS-based CRISPR / Cas system with a microfluidic paper analysis device and its application. The method only requires extracting the genome of the pathogen in a sample, and after RPA isothermal amplification, the CRISPR / Cas system can be used to react with a sandwich gold nanostar probe on a μPAD to achieve detection of the microbial pathogen Salmonella. The detection range is wide, the method is simple, fast and easy to operate.

The invention relates to a liquid chromatogram-tandem mass spectrum determination method for herbicide imazapyr and haloxyfop-R-methyl in aquatic products, through a simple sample pretreatment method and an instrument analysis method, the detection sample range is increased to various aquatic product matrixes such as fishes, shrimps, crabs and shellfishes, and the method is simple, convenient, rapid and high in sensitivity. The method has the advantages of low reagent dosage, high sensitivity, low cost, high accuracy and good stability. According to the method, a technical means is provided for evaluating the toxic effect of the Spartina alterniflora herbicide, i.e., the melatryn and the cyhalofop-ethyl on aquatic organisms and monitoring and evaluating the risk of the Spartina alterniflora.

The invention belongs to the technical field of power transmission and transformation equipment fault diagnosis, and relates to a method for diagnosing looseness of a base connecting bolt of a combined electric appliance. And whether the base connecting bolt is loosened or not is judged by comparing the change of the proportion of the characteristic frequency amplitude in the full frequency band under different working conditions. According to the invention, whether the connecting bolt between the combined electric appliance and the supporting base is loosened or not can be accurately judged. The method is simple, convenient and rapid, has high accuracy, has no electrical connection with the equipment, and has no influence on the running state of the equipment.

The invention relates to a metal oxide loaded monatomic Ru catalyst and a preparation method and application thereof, the preparation method comprises the following steps: mixing salt of metal M with a grinding aid, and then carrying out ball milling to obtain a metal oxide precursor; calcining the metal oxide precursor to obtain a metal oxide MOx; and dissolving the metal oxide MOx in deionized water, adding a ruthenium source and 6-aminocaproic acid under oil bath heating, mixing, adding sodium borohydride, continuously stirring until the reaction is completed, and then washing and drying to obtain the metal oxide loaded monatomic Ru catalyst Ru SAs / MOx. According to the method, the 6-aminocaproic acid is used for assisting the NaBH4 reduction method, monatomic-scale Ru is constructed on the surface of the metal oxide, high-temperature reducing gas calcination is not needed, the method is simple and rapid, the requirements for equipment and raw materials are low, the economic effect is high, Ru is evenly dispersed on the surface of the oxide carrier and does not form clusters, and a large amount of Ru monatomic loaded oxide carriers can be rapidly prepared.

The invention relates to a method for detecting the dissolution rate of a rimantadine hydrochloride preparation, which specifically comprises the following steps: the rimantadine hydrochloride preparation and a reference substance are respectively dissolved in a dissolution medium, and the dissolution medium is selected from any one of a hydrochloric acid solution, an acetate buffer solution and a phosphate buffer solution. A test sample and a reference substance solution are injected into a gas chromatograph, and the dissolution rate of the rimantadine hydrochloride preparation is obtained through an internal standard method and peak area calculation. According to the method, pretreatment only needs 30 min, rapid detection in the production process can be met, and the timeliness of detection data is ensured; meanwhile, the cost is low, interference of in-vivo physiological factors and influence of small temperature differences of instruments are avoided, and the characteristics of the preparation can be more sensitively reflected.

The application discloses a village feature recognition method and device based on multi-source data, and belongs to the technical field of image recognition and artificial intelligence. The method comprises the following steps: generating a first population outflow characteristic value of a target village based on population census data; generating a second population outflow characteristic value of the target village based on a night light remote sensing image of the target village; generating a third population outflow characteristic value of the target village based on electricity consumption data; calculating a population outflow comprehensive characteristic value by adopting a multi-target linear weighting function method based on the first population outflow characteristic value, the second population outflow characteristic value and the third population outflow characteristic value; and identifying the hollowing degree of the village based on the population outflow comprehensive characteristic value. The application improves the accuracy of the hollowing degree recognition of the village, and the method is simple and fast.

The application discloses a kind of pin type coupler gap detection device and method under analog hitching state, its device includes: hitching hook head, hitching hook head side is equipped with with the hook tongue cavity of the pin type coupler to be detected and with the arc structure of hook tongue cavity adaptation hitching groove;Fixed support frame, with the car coupler body of the pin type coupler to be detected fixed connection and hitching hook head and fixed support frame between sliding connection;Displacement detection device and hitching force simulation device are respectively used to measure the relative displacement amount between two and simulate the interaction between two.The method can detect the gap of pin type coupler or provide guidance for the processing of the tongue of pin type coupler by the above equipment.Compared with prior art, the beneficial effects of the present application are: by being equipped with quantitative visual indication mechanism, can be used with single set of car coupler hook head, i.e.real-time measurement of car coupler hitching gap greatly improves the accuracy and convenience of measuring pin type coupler hitching gap.

The invention discloses a high-flux toxicity pre-evaluation substitution method based on an acetylcholin esterase target. By integrating an SH-SY5Y nerve cell endogenous AChE and recombinant exogenous AChE dual detection system and relying on an automatic screening system constructed by integrating core equipment such as an automatic pipetting workstation, a constant-temperature incubator and a multifunctional microplate reader, a high-flux toxicity pre-evaluation substitution method based on an AChE target is successfully established and is used for evaluating the neurotoxicity of a compound, and the method has the advantages of high sensitivity, high sensitivity, high sensitivity and the like. The method solves the limitation that a single screening method in the prior art cannot evaluate factors such as target inhibition, cell permeability and metabolic transformation at the same time, and the method is simple, convenient, rapid, high in accuracy and suitable for large-scale primary screening of the AChE inhibitor and early warning of neurotoxicity risks.

The invention belongs to the field of water pollutant analysis and detection, and relates to a qualitative and quantitative analysis method for metal cyanide in a water body. The method comprises the following steps: loading star-shaped gold nanoparticles on a silicon dioxide substrate to obtain a slide glass, reacting the slide glass with metal cyanide standard solutions with different types of gradient concentrations to obtain a spectrogram of the reacted slide glass under a specific wavelength, and drawing a standard curve according to the corresponding absorbance; reacting the slide with a to-be-detected water sample to obtain a spectrogram of the to-be-detected water sample and absorbance under a specific wavelength, determining the type of the metal cyanide in the to-be-detected water sample according to the fitting degree of the spectrogram, and substituting the absorbance under the specific wavelength into the standard curve to calculate the concentration of the metal cyanide in the to-be-detected water sample. Qualitative and quantitative analysis of the metal cyanide in the water body is completed. The method provided by the invention is simple, convenient and rapid, qualitative and quantitative analysis of the metal cyanide in the water body can be completed by using small spectrum equipment under the condition of only providing the slide glass, and on-site rapid detection is realized.

The present invention discloses a method for detecting the connectivity of ATE channels, comprising the following steps: S01: connecting channels in pairs to form a test pair, and setting a test resistor between the channels connected in pairs; S02: inputting a test current or a test voltage at one of the channel input ports of the test pair, and measuring the voltage value or the current value at the output port of the other channel; judging whether the two channels in the test pair are connected according to the corresponding relationship between the test current and the measured voltage value or the corresponding relationship between the test voltage and the measured current value. The method for detecting the connectivity of ATE channels provided by the present invention can reduce the dependence of channel detection in integrated circuit automatic test equipment on third-party equipment and personnel, and can shorten the test time and reduce the test cost.

The present invention provides a cilnidipine optical isomer impurity content detection method, which comprises: detecting cilnidipine optical isomer impurities by using a high performance liquid chromatography to obtain a liquid chromatogram, and calculating according to the liquid chromatogram to obtain the cilnidipine optical isomer impurity content, wherein a mobile phase used in the high performance liquid chromatography comprises methanol and water; a chromatographic column used in the high performance liquid chromatography is selected from Formes Speedcore PFP (Polyfluoropropylene). The method is high in detection efficiency and accuracy, good in impurity and principal component peak shape and capable of achieving baseline separation.

This invention belongs to the field of immobilized enzyme technology, specifically relating to a method for constructing and applying an immobilized enzyme system based on an artificial antibody-antigen. The method includes the following steps: (1) using Fe3O4 as a magnetic core and modifying it with tetraethyl orthosilicate; (2) grafting double bonds onto its surface using MPS; (3) constructing an artificial antibody material using catechol as a template molecule; (4) preparing a catechol-enzyme complex by reacting the enzyme molecule with catechol via a Schiff base reaction; and (5) adding the catechol-enzyme complex solution to the artificial antibody material to immobilize the enzyme. This invention provides a simple and convenient method that achieves specific and directional immobilization of the enzyme while reducing costs, improving enzyme stability, and exhibiting a high immobilization rate.

The invention belongs to a rapid drawing method, and particularly relates to a rapid drawing method for two extrapolation points, perpendicular to a straight line, of a sandstone type uranium mine plane graph. The method comprises the following steps: S1, setting a ten-digit code of a working area; s2, determining an arbitrary engineering point and an arbitrary engineering straight line in the working area plan; S3, determining an extrapolation distance mode in which the arbitrary engineering point is vertical to the arbitrary engineering straight line in the working area plan; s4, calculating; s5, solving an azimuth angle; and S6, solving an extrapolation point. The method has the advantages that the method is suitable for rapidly drawing the two extrapolation points, perpendicular to the straight line, of all kinds of sandstone type uranium mine plane graphs, and is particularly suitable for compiling, storing and managing electronic and digital ore body horizontal projection graphs, the collected data is reliable in precision, labor intensity is relieved, and the method is simple, rapid, economical and feasible.

The invention discloses a method for determining the oil pipe lowering time of a shale gas well. The method comprises the steps that firstly, shaft pressure drops generated when a shale gas updip well and a shale gas downdip well are produced through a sleeve and an oil pipe are calculated respectively; 2, drawing an updip well three-dimensional curved surface drawing and a downdip well three-dimensional curved surface drawing which have the same coordinate system; thirdly, preliminary reference charts of the oil pipe lowering time of the updip well and the downdip well under any wellhead pressure are determined respectively; 4, determining a preliminary reference chart of the oil pipe descending time of the updip well and the downdip well under different wellhead pressures; fifthly, final reference charts of the oil pipe descending time of the updip well and the downdip well are obtained through combination; and 6, determining the oil pipe descending time according to the final reference chart of the oil pipe descending time. According to the method, the oil pipe descending time of any shale gas well can be determined, the technical problems that the oil pipe intervention time of the shale gas well is difficult to determine and a clear guidance method is lacked at present are solved, and important technical support can be provided for developers to accurately judge the oil pipe descending time of the gas well.

The invention discloses a low-resistance hydrocarbon reservoir conductivity evaluation method based on an XRF element logging technology. The method comprises the following steps: determining a main internal cause causing low resistivity; determining main minerals influencing the low resistivity of the sedimentary rock; setting an element conductivity index; dividing the element into a low-conductivity region, a middle-conductivity region and a high-conductivity region according to the interval size of the element conductivity index, and determining the type of the reservoir according to the three regions. According to the method, on the basis of element analysis of rock mineral components of a regional target low-resistance hydrocarbon reservoir, the correlation between the mineral components and rock conductivity is obtained through inversion, optimal mineral evaluation parameters are selected, element conductivity indexes are established, and the reservoir type is determined according to the element conductivity indexes. The method is simple and convenient, has the characteristics of real-time evaluation, high accuracy and the like, and provides favorable data and technical support for exploration and development of a construction party and improvement of the productivity construction effect of a target area.

The application discloses a chicken TRAF7 gene promoter region SNP marker and application thereof in chicken breeding and belongs to the technical field of molecular genetics. The application finds that a SNP marker exists in the chicken TRAF7 gene promoter region through screening of SNPs between breeds, the nucleotide sequence of the SNP marker is shown as SEQ ID No. 1, and the 122th base from the 5' end of the sequence shown as SEQ ID No. 1 is a SNP site, the base of which is A or T. The SNPs genotype of Jining hundred-day chicken population is firstly correlated with the egg laying trait, and it is found that the individual with the TT ‑896 genotype corresponds to an earlier age of first egg laying; the individual with the TT ‑896 genotype corresponds to a higher maximum number of continuous egg laying, therefore, the molecular marker associated with the SNP site and the egg laying trait is detected, which is not only simple, fast and convenient, but also helps to breed a high-egg-yielding chicken breed and provides favorable help for breeding work.

The application belongs to the technical field of soybean molecular genetics and breeding, and discloses a KASP marker for detecting a SNP site related to a soybean petiole angle and application thereof. The SNP site is located at position 4589285 on chromosome 10 of a soybean reference genome Glycine max Wm82.a4.v1, and a C / T base substitution occurs at the site. Three KASP primers are developed according to the SNP site, and the primers are shown as SEQ ID NO. 2-4, respectively. The primers are used for PCR amplification and genotyping of a soybean to be tested, and if the detection result shows that the genotyping of the marker position is 1 / 1, it is determined that the petiole angle of the soybean variety is large; if the detection result is 0 / 0, it is determined that the petiole angle is small. The SNP molecular marker can be used for molecular marker assisted selection of the petiole angle trait of soybean, and has important theoretical and practical guiding significance for accelerating genetic improvement of compact plant type of soybean and improving breeding selection efficiency. The marker can quickly identify the petiole angle of soybean, the method is simple and fast, the identification result is accurate, and the marker has a good application prospect.

The invention discloses a method for treating sewage generated by a cage rough washing process, and belongs to the technical field of industrial sewage treatment. Sewage generated in a cage rough washing process is subjected to first-time filter pressing after being treated by polyacrylamide and polyaluminum chloride, then a flocculating agent and water are mixed and put into a liquid medicine cylinder, the agent and the sewage in the liquid medicine cylinder are synchronously conveyed into a stirring cylinder for first-time stirring, then an oil removing agent is added, and second-time stirring is continued; and carrying out secondary filter pressing on the treated water, feeding the water into a precipitation cylinder, finally adding an oxidizing agent, and standing to obtain the treated water. According to the method, by adding polyacrylamide, polyaluminum chloride, a flocculating agent and a deoiling agent, metal ions, oily components and other impurities in sewage generated in the rough washing process are rapidly removed, the impurity content and the COD value in the sewage are reduced, the treated water can be applied to the rough washing process again, and the utilization rate of water resources is increased.

The application discloses a kind of quick evaluation methods of artificial graphite raw material performance, it is applicable to ordinary petroleum coke and needle coke and other soft carbon raw materials, by quantitative analysis to microstructure of sample after crushing, heat treatment, and comprehensive structure data are calculated by combining contribution factor of different microstructure;At the same time, the soft carbon raw material is graphitized to obtain graphite powder and is assembled into battery, and the capacity of finished battery is tested, finally, the comprehensive structure data calculated is associated with the capacity of finished battery, the capacity performance of the corresponding graphitized product of soft carbon raw material is predicted, the purpose of quickly evaluating artificial graphite raw material is achieved, the method is simple and fast, the accuracy is high, time and labor are saved, and the efficiency is high.

The present invention relates to the field of electric power devices, and discloses a method, device and computer storage medium for performance appraisal of a power supply enterprise. The present invention determines the identification of at least one corresponding appraisal item according to the identification of the received appraisal subject, obtains the corresponding appraisal rule and the data identification of the required appraisal data according to the identification of the appraisal item, and obtains the corresponding power grid data from the power grid database according to the data identification; and, analyzes the corresponding power grid data according to the obtained appraisal rule to obtain the appraisal value of the corresponding appraisal item, and then obtains the appraisal result corresponding to the identification of the appraisal subject according to the appraisal value of each appraisal item; the present invention can automatically determine the appraisal item and the appraisal rule according to the received performance appraisal instruction, and retrieve the corresponding power grid data from the power grid database, analyze the retrieved power grid data according to the determined appraisal rule, realize the performance appraisal of the power supply enterprise with high efficiency, and can ensure the accuracy of the performance appraisal of the power supply enterprise.

The invention relates to the field of large-scale generators, and discloses a method for reducing residual magnetism of a large-scale generator iron core, which comprises the following steps of: selecting equipment such as a direct-current electric welding machine, an air switch and a voltage and current instrument, applying direct current in a reverse direction to a rotor exciting winding, and reducing the direct current in a stepped manner to reduce the residual magnetism of the iron core in a three-minute power-on and one-minute power-off manner; by reducing the residual magnetism of the iron core, the voltage of the residual magnetism is below 30V, so that equipment maintenance and routine inspection of a large generator are facilitated.

The invention discloses a shale gas yield decline rule analysis method and system based on a rational function, and belongs to the technical field of shale gas prediction.The method comprises the steps that shale gas production historical data of a single well or multiple wells are obtained; abnormal data points are filtered; aligning the obtained data with the production time, and respectively solving average, monthly average and annual average single well daily gas production decline curves; fitting an average single-well daily gas production decline curve, a monthly average single-well daily gas production decline curve and an annual average single-well daily gas production decline curve respectively by adopting a rational function; and analyzing a shale gas daily production, monthly production and annual gas production decline rule based on a fitting result. According to the method, high-precision fitting of shale gas yield decline is achieved in the form of the rational function, the fitting precision can be improved, and the yield change dynamic state of the shale gas well / platform / block in the whole life cycle is truly reflected.