62results about How to "The results are highly reliable" patented technology

The invention discloses a method and a system of a target immediate location and map establishing. The method comprises the following steps of (1) carrying out immediate location on a moving target in a moving range; (2) immediately updating a geomagnetic field map of the movable range of the target according to the location of the moving target; (3) locating the next movable position of the target according to the updated geomagnetic field map; and repeatedly executing the step (2) and (3) to until the target stops to move. The method provided by the invention can achieve the purpose of immediate target location and accurate geomagnetic field map establishing of the indoor target under the condition that a magnetic field map cannot be detected indoors.

The invention discloses an urban rail transit multi-interlaced-line transportation organization optimization method based on ticket service information. The urban rail transit multi-interlaced-line transportation organization optimization method comprises the following steps: carrying out the extraction of basic data and the processing of passenger travel time records based on the ticket service information in a workday peak period; generating an effective path set between a starting point station and a terminal point station of passenger travel, and estimating path travel time; establishing aGaussian mixture model for describing multi-interlaced-line travel time distribution and designing a solving algorithm, and solving model parameters; solving section passenger flow volume, and generating a travel passenger flow statistical table; judging whether the passenger flow condition of the line is suitable for a multi-interlaced-line train running scheme or not; establishing a multi-interlaced-line train operation optimization model on a line suitable for the multi-interlaced-line train operation scheme; and solving the multi-interlaced-line train operation optimization model to obtain a multi-interlaced-line train operation optimization scheme. The urban rail transit multi-interlaced-line transportation organization optimization method is high in applicability and easy to implement, improves the operation efficiency, and saves the operation cost.

The invention discloses a method for detecting tetracycline residues in milk and drinking water and belongs to the technical field of food safety. The method comprises the following steps of: constructing a detection system with known tetracycline concentration to obtain a light absorption difference standard curve, fitting the curve to obtain a regression equation, mixing milk or drinking water to be detected with an acetic acid solution to obtain a mixed solution, centrifuging and layering the mixed solution to obtain a supernatant liquid, adding a tetracycline aptamer solution, adding a nanogold solution after incubation, finally adding positive ion electrolyte, determining the difference of the light adsorption rates at the 650nm part and the 520nm part of an electrolyte standard solution and a blank control solution by a microplate reader, and calculating the content of the tetracycline in milk and drinking water to be detected under the control of the equation obtained by fitting the standard curve. The method is high in speed, low in cost, high in sensitivity, good in selectivity, and convenient to operate without depending on large-sized instruments or equipment, the lowest detection limit is 45.8nM, the defects that the existing aptamer is time-wasting due to marking and high in cost are overcome and the method has the advantages of high speed, sensitivity and low cost.

A quick ferrographic analysis method based on digital video includes the following steps: adopting a designed flow-controllable micro-channel device and a ferrographic microscope to be integrated into a whole; enabling a diluted oil sample to pass through a micro-channel directly; acquiring a clear abrasive particle image by regulating the focal length of the ferrographic microscope; sending the moving video of abrasive particles in the micro-channel to a computer through a digital camera; directly analyzing image frames through computer software to realize accurate positioning and characteristic identification of a plurality of characteristic abrasive particles to form a characteristic library. As abrasive particles tumble in the fluid, spatial characteristics of the abrasive particles from different perspectives can be acquired through characteristic identification of different frame images; through digital video image acquisition and fast computer automatic analysis, the advantages of an off-line analysis technology and an on-line analysis technology are combined, a novel method of acquiring abrasive particle characteristics on the basis of dynamic video is proposed, and real-time, continuous, high-accuracy and efficient on-line monitoring for the abrasion condition of the equipment is realized.

The invention relates to the technical field of glass production, and discloses a method for determining the shrinkage rate of glass. The method comprises the following steps: 1, preparing glass fibers to be determined, and determining the length L1 of heat treated glass fibers in the glass fibers to be determined; 2, carrying out heat treatment on the glass fibers to be determined, and determining the length change deltaL of the glass fibers before and after the heat treatment; and 3, determining the shrinkage rate C of the glass fibers to be determined, wherein C = deltaL/L1. The method has the advantages of accurate determination result, high reappearance, high precision, high result credibility, and provision of a shrinkage determination reference standard for the research and development process of plate glass.

The invention discloses a method for detecting monochloroacetic acid, dichloroacetic acid, trichloroacetic acid and sulfate radical in chloroacetic acid by ion chromatography, which comprises the following steps: preparing a mixed standard solution of four anions including monochloroacetic acid, dichloroacetic acid, trichloroacetic acid and sulfate radical, feeding the mixed standard solution intoan ion chromatography detection system to perform gradient leaching by using an AS19-HC analytical column and KOH leacheate, thus obtaining a linear equation of concentration and peak area, and calculating the contents of all components in chloroacetic acid through the linear equation. The invention has the advantages that the whole analysis process is simple and convenient, the pollution and loss is smaller, the blank and marked sample recovery rate is 96 to 99.75 percent and the method is suitable for content detection of monochloroacetic acid, dichloroacetic acid, trichloroacetic acid andsulfate radical in chloroacetic acid.

The invention discloses a method and a device for detecting an overspeed and nonmanipulated reversal protection function of an automatic stair/way. The method is used for accurately controlling the operation speed and the operation direction of the automatic stair/way by adopting a frequency conversion technology to simulate the dangerous working conditions of the automatic stair/way and detect whether the overspeed and nonmanipulated reversal protection function of the automatic stair/way meets related standards under the simulated dangerous working conditions, is free from the limitation of an overspeed or nonmanipulated reversal protection function realization mode of the automatic stair/way with regard to implementation and is suitable for detection of overspeed and nonmanipulated reversal protection devices of various automatic stairs/ways. The device comprises a shell, wherein a control chip and a frequency converter are arranged in the shell, and two aviation connectors are arranged on an external panel of the shell; and the device is connected with a control cabinet of the automatic stair/way to be detected through the two aviation connectors. The method can be used to realize the detection of the overspeed and nonmanipulated reversal protection function of the automatic stair/way to be detected.

The invention discloses a determination method of trace arsenic in a high-copper-content sample with an atomic fluorescence spectrometry and belongs to the field of analysis detection. The determination method is characterized by comprising the following steps: reducing copper in a digested sample solution into cuprous iodide by potassium iodide and precipitating copper in a form of cuprous iodide; adding thiocyanate and precipitating free cuprous ions in the solution in a form of cuprous thiocyanate with relatively high stability and relatively low solubility; after filtering and making the volume constant, determining the arsenic content in the sample solution; and calculating the content of the arsenic in the sample. With the adoption of the method, copper in the sample solution and thiourea and potassium borohydride, which are needed by an experiment, are effectively prevented from reacting to generate sediment. The method is simple and reliable and has high accuracy and good repeatability.

The invention discloses a spontaneous-combustion active ferrous sulfide gaseous phase passivation device and method. The device comprises a passivation tower, a vacuum pump, a nitrogen storage tank and an oxygen storage tank; the passivation tower is a container structure body, a feeding opening communicated with the interior of the passivation tower, an emptying valve, a nitrogen connector and a gas measurement connector are arranged in the top end of the passivation tower, and an exhaust opening and a mixed gas connector are formed in the middle; the vacuum pump is connected with the exhaust opening in the middle of the passivation tower through a pipeline with an electric control valve; the nitrogen storage tank is connected with the nitrogen connector of the passivation tower through a pipeline with an electric control valve and a nitrogen gas flowmeter and communicated with a buffer tank through a branch pipeline with an electric control valve; the oxygen storage tank is communicated with the buffer tank through a pipeline with an oxygen gas flowmeter; and the gas measurement connector of the passivation tower is connected to the buffer tank through a pipeline with a gas concentration analyzer in a looping manner; and the mixed gas connector of the passivation tower is communicated with the buffer tank through a pipeline with a mixed gas flowmeter. According to the device, effective gaseous phase passivation can be carried out on spontaneous-combustion active ferrous sulfide with low cost.

The invention discloses an identification method and a special primer for trogoderma glabrum and trogoderma variabile. A primer pair provided by the identification method consists of a primer 1 and a primer 2. In the primer pair, nucleotide sequences of the primer 1 and the primer 2 are respectively a sequence 1 and a sequence 2 in a sequence table. Experiments prove that species specificity variation sites of different species of trogoderma are found according to mitochondrion gene sequence differences between the species of the trogoderma, a molecular identification system of the trogodermaspecies is built, and finally, the fast, accurate and efficient identification of the quarantine type trogoderma is realized.

The invention discloses an angle measurement device used for a distribution chute of a blast furnace. The blast furnace is provided with a manhole. The angle measurement device comprises a base, a vertical support column, a rotary adjustor, a laser range finder and an angle ruler, wherein the rotary adjustor sleeves a proper position on the outer surface of the vertical support column, and is usedfor rotating the vertical support column to adjust the position of the vertical support column; the laser range finder is hinged to the top of the vertical support column, and used for enabling at least two beams of laser to penetrate through the manhole and to be emitted onto the outer surface of the distribution chute to accurately measure and adjust a distance between the laser range finder and the distribution chute, so that the laser range finder is parallel to a vertical plane which penetrates through the central line of the distribution chute; and the angle ruler is used for measuringan angle between the laser range finder and the vertical support column to obtain the degree of an included angle between the central line of the distribution chute and the vertical direction. The invention further provides an angle measurement method used for a distribution chute of a blast furnace. The angle measurement device and the angle measurement method used for the distribution chute of the blast furnace are capable of increasing the measurement accuracy for the equal angle of angle alpha of the distribution chute, and further capable of improving the working safety.

The invention discloses an optical definition testing method and a device, and relates to the technical field of optics, and the method comprises the steps: obtaining an original image and a corresponding reference image; obtaining a comparison image of the original image and the reference image according to the difference between the original image and the reference image; obtaining the image information entropy of the normalized comparison image according to the comparison image; according to the comparison image, obtaining a sharpness pre-evaluation result after sharpness evaluation function operation; and when the difference between the definition pre-evaluation result and the image information entropy is smaller than a preset threshold, determining the definition pre-evaluation resultas the optical definition. The optical definition testing method disclosed by the invention is wide in applicability and high in result credibility.

The invention discloses an LTL (leukocyte telomere length) detecting method based on a qPCR (quantitative polymerase chain reaction) method. The method comprises steps as follows: 1) extracting genomic DNA of different tissue, diluting DNA samples to 5 ng/ul, taking 5 ul of each tissue sample, and mixing the tissue samples to prepare a whole genomic DNA template; 2) performing primary real-time qPCR detection and detecting a telomere primer of a telomere repetitive sequence; 3) performing secondary real-time qPCR detection and transcribing a single-copy reference RNase P gene of RNase P enzyme; 4) calculating the relative telomere length T/S. The LTL detecting method based on the qPCR method has the benefits as follows: the requirement for the samples and genomic DNA concentration is not high, the experiment operation process is simple and feasible, the result credibility is high, and the method is adaptable to scientific research and clinical popularization and application and plays an important role in preventing aging, cancer and diseases.

The invention discloses a speech audiometry device, and the speech audiometry device includes a host computer, an audiometer and an audiometric earphone. An answering device includes a single-chip microcomputer, a verification-storage module, a recognition-conversion module and an operation screen. The single-chip microcomputer is connected with the host computer, the audiometric earphone is connected with the audiometer, the single-chip microcomputer of the answering device is connected with the audiometer, and the verification-storage module, the recognition-conversion module and the operation screen are all connected with the single-chip microcomputer. The invention also provides an audiometry method, and the audiometry method includes the following steps: setting parameters, making preparation, carrying out audiometry, answering, repeating, etc. The answering device of the invention can be used together with the conventional audiometer in a matching way in the actual use process, and is operated by a subject independently, with strong subjectivity, small cooperation error, more accurate audiometry results and high reliability. The operation screen of the invention is in a distributed type structure and various in forms, capable of meeting various use requirements and users, convenient to use and operate and easy to realize an highly-efficient audiometry system.

The invention provides a claim settlement scheme determination method and device, electronic equipment and a storage medium, and relates to the technical field of insurance information. According to the specific implementation scheme, basic information and compensation payment rule information of an insured object of a current claim settlement scheme are acquired; determining a corresponding claim settlement case from historical data according to the basic information; according to the claim settlement case and the claim payment rule information, calculating to obtain the current claim payment data; and taking the current claim settlement scheme as a target claim settlement scheme under the condition that the current claim payment data accords with an expected value. By adopting the scheme, the claim settlement case with a relatively high reference value can be screened from the historical data, calculation is performed in combination with the current claim payment rule, the most accurate claim payment data is obtained, the reasonable target claim settlement scheme is determined according to the claim payment data, the scheme does not depend on manpower, the determination process is rapid and efficient, and the result credibility is high.

The invention belongs to the technical field of material surface design, and discloses a molecular dynamics based patterned surface construction method with anti-icing performance. A molecular dynamics theory and simulation calculation software are adopted to design a non-uniform nucleation model of the patterned surface with different gap configurations in contact with liquid water, simulation calculation is performed on the icing temperature, the icing time and the ice type structure state of water on the surface, a water molecule potential energy model with higher calculation efficiency is selected, the non-uniform nucleation icing inhibition performance of patterned surface configuration on water is evaluated based on a calculation result, then a micro mechanism of heterogeneous surface icing nucleation is explained from a molecular scale, the resource consumption and the trial and error cost of an actual test are reduced, and a theoretical basis is provided for experimental exploration, product design and process optimization of a novel patterned anti-icing surface design.

The invention provides an interpretation information acquisition method and device, a server and a storage medium, and belongs to the technical field of machine learning. The interpretation information acquisition method comprises the steps of determining target feature information and an adjustment amount in first input data to adjust the first input data; comparing the second output data corresponding to the adjusted second input data with the first output data; and determining an influence degree of target feature information on the first output data, and determining interpretation information of the first output data obtained by the first input data through the first machine learning model according to the influence degree through the first input data, the first output data, the secondinput data and the second output data. By determining the influence of the feature information of the first input data on the output data, the first machine learning model is automatically interpreted and attributed, so that the credibility of the result generated by the first machine learning model is higher, and the application range of the machine learning model is widened.

The invention discloses a trachea cannula with a function of monitoring the cuff pressure in real time. The trachea cannula comprises a pressure monitoring display device, an inflation pipe, an elastic film, a cuff and a pipe body, wherein one end of the pipe body is a machine connecting end, the other end of the pipe body is a patient connecting end, and the cuff is arranged on the pipe body close to the patient connecting end in a sleeving manner; one end of the inflation pipe is communicated with the cuff, and the other end of the inflation pipe is communicated with the pressure monitoringdisplay device; the elastic film is arranged on the pressure monitoring display device; the pressure monitoring display device comprises a pressure sensor, a circuit, a digital screen and a power module; the pressure sensor and the digital screen are connected with the circuit; the pressure sensor is used for collecting the pressure of the cuff; and a power supply is used for supplying electricityto the pressure monitoring display device. The whole trachea cannula has an integrated structure, the inflating opening and the pressure monitoring display device are integrated together, judgment can be performed by combining an experience-based judgment method and a pressure real-time monitor display method, and the result has high reliability.

The invention discloses an asphalt and asphalt modified additive detection method. The method includes the following steps of: scanning step; model library establishing step; recommendation thresholdvalue generating step: a first-order interactive verification method is adopted to calculate a recommendation threshold value in each sample model library; to-be-detected sample scanning step: infrared spectrum scanning is performed on a to-be-detected asphalt sample and/or asphalt modified additive sample; comparison step: a sample model library is selected, a spatial included angle formed between the infrared spectrum of the to-be-detected sample and the selected sample model library is calculated and is compared with the recommendation threshold value in the selected sample model library; and judgment step: the to-be-detected asphalt sample and/or asphalt modified additive sample is qualified is confirmed as a qualified product if the spatial included angle is smaller than the recommendation threshold value. The detection method of the invention has the advantages of high detection speed, high result reliability, simplicity in operation and the like.