158results about How to "Reduce testing costs" patented technology

The present invention provides an intelligent toilet, which is equipped with a plurality of human body physiological parameter detection modules, such as electrocardiogram detection module, blood pressure detection module, heart rate detection module, urine sugar detection module and a type of sensors thereof, wherein the variable modules can be used through mutual combination, thereby being capable of comprehensively and accurately detecting the human body physiological parameters, and providing suggest for improving human body health state. Therefore, the intelligent toilet has the advantages of being convenient in use, low in detection cost and accurate in detection result.

The invention discloses a machine vision based real-time diagnosis method and system of vegetable leaf diseases. The system comprises a disease image acquiring hardware part and a real-time diagnosis software part, wherein the image acquiring hardware part consists of a lighting box, a light source bracket, a light source, a round hole at the top of a box body, a digital camera, a camera fixing rod, an optical lens, a polarizer, a box body side door, an objective table and a computer. The method comprises the following steps: acquiring the symptom image of the leaf disease of vegetable to be detected; carrying out image treatment and scab division by utilizing real-time diagnosis software; acquiring the characteristic indexes of scab, such as color, texture and shape; and carrying out real-time diagnosis on the vegetable leaf disease by utilizing a disease identification model. The real-time diagnosis method and system can be directly used for detecting diseases in filed, plastic houses or greenhouses so as to achieve the rapid, stable and real-time diagnosis of various vegetable leaf diseases; no chemical reagent is used, therefore detection cost is reduced and no environment pollution is caused. The real-time diagnosis method and system can be well applied to disease monitoring.

The invention discloses an array substrate, a signal line detection method, a display panel and a display device. The array substrate comprises a plurality of signal lines and a detection circuit, wherein the detection circuit includes a control circuit, a plurality of transistors, a plurality of test lines and a plurality of receiving lines; each test line is connected with one end of at least one signal line; and a first electrode of each transistor is connected with one end of one signal line, a grid electrode is connected with an output end of the control circuit, and a second electrode is connected with one receiving line corresponding to the signal line. Different test signals are applied to the signal line in the array substrate, and the corresponding relationship between the receiving signals and test signals is tested, so that the detection of a short circuit and an open circuit of the array substrate can be realized, the test cost is lowered, and the detection precision of the array substrate is improved.

The invention discloses a kit for detecting SNP (Single Nucleotide Polymorphism) sites related to Warfarin individualized application by combining multiplex PCR (Polymerase Chain Reaction) technology and SNP sensitive molecule switch technology and a detection method using the same. The kit types four SNP sites related to Warfarin application, including rs9934438 SNP site on VKORC1 gene, rs1799853 and rs1057910 SNP sites on CYP2C9 gene, and rs2108622 SNP site on CYP4F2 gene. The kit comprises a wild type 2*amplification buffer, a mutant type 2*amplification buffer, polymerase, a cell lysis solution and glycerol, wherein the two buffers respectively contain corresponding SNP wild type and mutant phenotype sequence specific primers and beta-actin primers; and the four SNP sites can be typed in the two multiplex PCR reactions, thereby providing molecular biology references for reasonable application of Warfarin.

The invention aims at an embedded printed-circuit board and provides a method for preparing gold-phase section samples. The method comprises the following steps of attaching the embedded printed-circuit board to be detected on the surface of a strengthening support board, and successively cutting samples, sealing glue and carrying out cast pouring, analyzing samples by a gold phase, grinding, polishing, and carrying out microetching and other processes to obtain the gold-phase section samples. The method provided by the invention has the advantages that the problems that the samples are directly cut to result in deformation of the section samples, bending of the section samples in the glue sealing and cast pouring process, and easily excessive grinding in the grinding process and other problems in a preparation process of the gold-phase section samples of the burying embedded printed-circuit board are solved, the stability and the consistency of the gold-phase section samples are guaranteed, the detection cost of the embedded printed-circuit board is effectively reduced, and the detection efficiency and the accuracy and the reliability of a detection result are improved.

The invention relates to the technical field of automobile sound, in particular to an automatic diagnosis method of an automobile sound loudspeaker and an antenna. The automatic diagnosis method is characterized in that an automobile sound circuit is respectively provided with a detection circuit for monitoring the loudspeaker or the connection state of two ends of the antenna; the detection circuit outputs a signal to a microprocessor MCU; the MCU controls a display screen to display the detected sate after judging data; the detection circuit comprises a power amplifier, a voltage acquisition unit and a voltage comparison unit, wherein the power amplifier is used for driving the loudspeaker or the antenna, the voltage acquisition unit and the voltage comparison unit are successively connected to the automobile sound loudspeaker or two ends of the antenna, the power amplifier is provided with a diagnosis pin which is connected with the MCU, and the output end of the voltage comparisonunit is connected with the MCU. The diagnosis method of the invention is simple and visual, does not need other diagnosis equipment and greatly improves detection efficiency while lowering detection cost.

The invention discloses a character defect detecting method of a tire mold. The method comprises the following steps of S1, scanning the tire mold of a tire to be detected, collecting and obtaining a group of images, and obtaining the circular-arc-shaped profile of the outer side of the tire; S2, fitting the circle center and the radius of the circular-arc-shaped profile of the outer side of the tire, and then, positioning an image region of the tire mold of the tire as an ROI (region of interest) image to be tested; S3, classifying the ROI image; S4, selecting different methods for processing according to the classification of the ROI image, and obtaining a CAD (computer aided design) image block matched with each ROI image; S5, performing character recognition, and further performing defect judgment according to the character recognition result; S6, responding to the condition of the character defect existence judging result; returning the operation to execute the fourth step and the fifth step so as to select the judgment result with few character defects as the final result after secondary defect judgment. The character defect detecting method has the advantages that the detection stability is high; the detection cost is low; the detection accuracy is high; the false alarm rate is low; the application range is wide; the character defect detecting method can be widely applied to the field of tire mold detection.

The invention provides a quick and cheap method of measuring the reticulocyte in a sample and a device capable of detecting the reticulocyte through the method. The method provided by the invention is capable of detecting the reticulocyte on a full automatic blood analyzer making use of the flowing type cell technology. The method adopts red fluorescent dye and takes red laser as an activation light source to complete the automatic detection of the reticulocyte within 60 seconds.

The invention discloses a method for correcting a blade modal testing result of a horizontal axis wind turbine. The method comprises the following steps of: testing a modal parameter of a static blade fixed on a test-bed; simulating a test environment, and performing blade modal assessment by using a value simulation method; comparing tests and computing to perfect a computed result; according to the influence of various loads on dynamic frequency under the actual operating condition of the blade, performing frequency computation correction to obtain a proportional relation of frequency values under static and operating conditions; and correcting the blade modal test result according to the proportional relation to obtain the natural frequency of the blade under the operating condition. By the method, an aim of obtaining a dynamic structure frequency parameter of the blade under the operating condition without direct modal measurement of the blade of an operating unit can be fulfilled, and an effective and economic dynamic performance evaluating method is provided for designing, researching and developing and detecting the blade.

The invention discloses a method for simultaneously detecting 26 organic acids and inorganic negative ions in juice and a juice manufacturing method. According to the method, a juice sample is preprocessed; multilevel-inhibition conductance ion chromatography is utilize to simultaneously detect 18 organic acids (quinic acid, lactic acid, propionic acid, formic acid, butyric acid, pyruvic acid, pentanoic acid, acetic acid, malonic acid, malic acid, citric acid, glutaric acid, maleic acid, fumaric acid, benzoic acid, cis-aconitic acid, trans-aconitic acid, and oxalic acid) and 8 inorganic negative ions (F<->, Cl<->, NO3<->, NO2<->, ClO2<->,BrO3<->, PO4<3->, and CrO4<2->) in a juice; the sample pretreatment is simple, rapid and accurate; the technical problem that multiple components in juice cannot be accurately analyzed is solved, organic acids and inorganic negative ions in juice can be accurately measured, a technical support is provided for judging nutritional value, freshness degree, and true/false of juice, and the components of juice can be detected by the method.

The invention relates to a method for simultaneously enriching and detecting phenolic, estrogenic and androgenic EDCs (Endocrine Disrupting Chemicals) in drinking water. The method comprises the following steps: firstly, concentrating and enriching a pretreated water sample by adopting an SPE (Solid Phase Extraction) method; secondly, analyzing and detecting by utilizing LC (Liquid Chromatography)-MS (Mass Spectrometry)/MS; finally, determining the concentration of three kinds of EDCs in a water sample according to an analysis chromatogram of the sample and a standard working curve of the three kinds of EDCs. Compared with the prior art, simultaneous enrichment and detection on trace (micro) typical phenolic, estrogenic and androgenic EDCs in the drinking water is realized, the complexity of independently analyzing and detecting different kinds of EDCs is avoided, the sample detecting time is greatly saved, and the detection cost is reduced; meanwhile, the accuracy of a detection result is reliable, the detection limit is low, the relative standard deviation is small, and the like.

The invention discloses a steering engine testing device for intelligent ships, which belongs to the technical field of detection on the complete-machine testing of hydraulic steering engines. The device comprises a rotary encoder, an oil pressure sensor, an oil temperature sensor, a pull pressure sensor, an ammeter, a voltmeter, a tachometer, a PLC (programmable logic controller) control center, a computing center, a display and a printer. According to the invention, through the application of the steering engine testing device for intelligent ships, the problem that the original steering engine testing device for ships carries out data acquisition through manually recording data is solved, an effect of completing the measurement of physical quantity jointly through an interface circuit sensor and a conventional instrument by using a computer terminal so as to realize real-time data acquisition is achieved, and the testing device has the advantages of rapidness, intuitiveness, simplicity and accuracy. The accuracy of measurement is improved, the testing cost of products is significantly reduced, and the efficiency is significantly higher, therefore, the device is more applicable to the mass production and inspection of hydraulic steering engines.

The invention discloses a method for establishing a neural network model for real-time detection of mask wearing and an implementation system. According to the system of the invention, the neural network model for real-time detection of mask wearing is built in the neural calculation rod; accelerated reasoning can be carried out through a nerve calculation rod; the real-time processing capabilityof the control panel is combined; therefore, the system can analyze and process whether a person in a shot detection area wears a mask or not in real time and carry out image recognition, and output aresult to the display; according to the invention, real-time mask detection can be realized, the calculated amount of image data processing is completely migrated to the edge of a network, no serveris used any more, the detection cost can be reduced, the identification precision is high, the labor force is reduced, and the invention has great practical value.

The invention discloses a hand-foot-and-mouth disease (HFMD) related virus parallel detection liquid-phase chip and a preparation method and an application thereof. The HFMD related virus parallel detection liquid-phase chip in the invention mainly comprises microballoons, specific probes, biotinylated universal primer and streptavidin-phycoerythrin, which is characterized in that microballoons in the chip are Number 26, Number 36 and Number 46 microballoons; the specific probes are aminated specific probes aiming at virus VP1 area of EV71, CoxA16 and Echo9; the universal primer is enterovirus universal primer marked by activated biotin. In the invention, different probes can combine with different target molecules, different detection reactions can be classified by using laser for detecting color numbers of sphere matrix after reaction, thus having the quantitative or qualitative characteristics and high throughput advantage, thereby saving time and power and detection cost greatly.

The invention relates to the technical field of automobile power batteries, and provides a connection failure detection method of a power battery pack and a battery management system. The problem thatjudgment and prevention cannot be carried out at the early stage of connection failure of a high-voltage bus in the power battery pack in the prior art is solved. The connection failure detection method of the power battery pack comprises the following steps that the total voltage of a battery cell in the power battery pack, the total voltage of the power battery pack, a working current and resistance parameters on the high-voltage bus of the power battery pack are acquired in real time; according to the total voltage of the battery core, the total voltage of the power battery pack, the workcurrent and the resistance parameters on the high-voltage bus of the power battery pack, the total contact resistance of a high-voltage bus connection point of the power battery pack is obtained; failure risk of high-voltage bus connection of the power battery pack is determined according to the total contact resistance and a preset threshold value. The connection failure detection method of the power battery pack and the battery management system are applicable to the judging process of high-voltage bus connection failure in the power battery pack.

Glass thin slice with the multiple reaction ponds is set up on the outer casing of the compound chip for detecting oneself immunity antibody of diabetes. the detecting micro array is built in each pond. Four different kinds of protein solid phase detecting pieces in mini type with sample specification size constitute each detecting micro array. These detecting pieces are the piece of the islet cells, the piece of GAD protein, the PTP protein and the Insulin protein. First, these detecting pieces are prepared, then these pieces are assembled. The detecting method includes two steps: first, the indirect fluorescence method is used; then, the biochip laser co-focusing scanner determines the result. Comparing with the prior art the invention possesses the advantages of the accurate clinical analysis and the low cost.

The present invention provides a portable visualized nucleic acid detection method and a sealed portable nucleic acid detection apparatus. The nucleic acid detection apparatus comprises a visualized mixing container, wherein the visualized mixing container is provided with a plurality of connection ports, such that the visualized mixing container can be used as the total sealing body for connecting the nucleic acid amplification reaction tube on the visualized mixing container and the detection reaction liquid storage container on the visualized mixing container, or can be adopted as the total sealing body for connecting the nucleic acid amplification reaction tube on the visualized mixing container and the dilution storage container on the visualized mixing container. According to the present invention, the nucleic acid isothermal amplification reaction can be performed without interference in the case of achievement of no reaction tube opening, the subsequent detection can be normally performed according to the sequence, and the apparatus and the method can be suitable for chromogenic assay and test paper strip assay.

The invention discloses the technical field of fat-soluble vitamin detection and particularly relates to a method for simultaneously detecting multiple fat-soluble vitamins. The detection method comprises the following steps: step 1, fully and uniformly mixing 10-200 microlitres of sample plasma with a protein precipitation solution and a vitamin deuterated internal standard substance at 100-3000rpm for 1-5 min to obtain a solution A, and centrifuging the solution A at 0-8 DEG C at 200-12000 rpm to obtain a supernatant; and step 2, analyzing the fat-soluble vitamin of the supernatant by usinga liquid chromatograph-mass spectrometer, and calculating the content of the fat-soluble vitamin in the sample plasma by using an internal standard method. Compared with the prior art, the method hasthe advantages that more types of vitamins are detected, the sample can be enriched without the assistance of SLE, SPE and other materials, the detection cost is effectively reduced, the required blood volume is less than that of the existing method, the compliance of patients, especially infants, is better due to the reduction of the blood volume of the sample, and the method has a wide application prospect.

The invention discloses a method for detecting cobalt removal depth of a polycrystalline diamond compact. The method comprises the following steps: pretreatment is carried out for the polycrystalline diamond compact with cobalt removed; the polycrystalline diamond compact is cut at a diameter direction along a cross section; further processing is carried out for a section of the polycrystalline diamond compact; scanning and screenshot are carried out for the section, and the cobalt removal depth is marked. The method for detecting cobalt removal depth of the polycrystalline diamond compact has a simplified flow for preparing a sample, so that detection cost is substantially reduced.

The invention provides a method and equipment for detecting equivalent loads of wind turbine generators. The method comprises the steps that in each detection period, environmental data of each wind turbine generator in a wind power plant are detected; in each detection period, the loads of one or more wind turbine generators for correction in the multiple wind turbine generators are detected, thedetected loads are used for calculating the equivalent loads of the wind turbine generators for correction, a load estimation model is used based on the detected environmental data of each wind turbine generator to determine the equivalent load of each wind turbine generator, wherein the load estimation model represents the relation between the environmental data of the wind turbine generators and the equivalent loads, before the load estimation models are used in each detection period, the equivalent loads calculated in the current detecting period and the equivalent loads of the wind turbine generators used for correction and determined through the load estimation model in a prior detecting period are used for correcting parameters of the load estimation models. By means of the method and equipment, accurate detection of the equivalent loads is achieved with the relatively low cost.

The invention discloses a combined portable PM2.5 sampling analysis device. The combined portable PM2.5 sampling analysis device comprises a host, a PM2.5 sampling head, a temperature and humidity sensor and a modular filter membrane assembly, wherein the PM2.5 sampling head, the temperature and humidity sensor and the modular filter membrane assembly are mounted on the host; the host comprises a sampling head fixing seat, a heating module, a filter paper compressing mechanism, a gas inlet pipe, a gas inlet connecting assembly, a filter paper supporting platform, a receiver seat, a ray source receiver and paper feeding assemblies; the sampling head fixing seat, the heating module, the filter paper compressing mechanism, the gas inlet pipe and the gas inlet connecting assembly are sequentially connected; the filter paper supporting platform, the receiver seat and the ray source receiver are positioned below the gas inlet connecting assembly and are sequentially connected; the paper feeding assemblies are positioned at two sides of the filter paper supporting platform; the modular filter membrane assembly is mounted in the filter paper supporting platform. By virtue of the matching of the modular filter membrane assembly and the host, the combined portable PM2.5 sampling analysis device can be used for directly reading PM2.5 on line, and can also be used for weighing PM2.5 concentration by using a weighing method; meanwhile, a sample can be taken back to a laboratory for further component analysis; an overall instrument is convenient to carry, low in detection cost, easy to operate, small in labor workload, high in real-time monitoring efficiency and capable of analyzing and comparing data diversity.

The invention discloses a rail wagon floor damage fault detection method, and belongs to the technical field of rail wagon floor damage fault detection. According to the invention, the problems of high detection cost of the traditional fault automatic detection method based on deep learning and low detection accuracy of the traditional fault automatic detection method based on feature extraction are solved. The invention provides a contrast energy feature extraction algorithm, which is used for extracting contrast energy features of an image, extracting color energy features in the image according to the characteristic that floor color blackening occurs in the image due to a floor damage fault, and combining the color energy features with the contrast energy features and SHIFT features toperform fault detection. When the detection cost is reduced, the fault detection accuracy is improved. The method can be applied to rail wagon floor damage fault detection.

The invention discloses a method for detecting pseudomonas fluorescens and a kit and primers thereof. The method includes the following steps of extracting genomic DNA of a to-be-detected sample, conducting a dual PCR reaction through the primers with the nucleotide sequences shown in SEQ ID NO.1, SEQ ID NO.2, SEQ ID NO.3 and SEQ ID NO.4 respectively with the genomic DNA as the template, and detecting existence of single amplification products, at the position 384bp and the position 194bp, in products of the dual PCR reaction products. The nucleotide sequences of the primers are shown. The kit comprises the primers. The method is low in detection time consumption, low in cost and reliable in detection result, and result judgment is easy, the simple, rapid and sensitive method for detecting pseudomonas fluorescens is provided for the field of microbiological detection, and particularly the detection method which is more rapid and more convenient is provided for the field of food safety detection.

The invention discloses a safety detection method of an intelligent terminal. The safety detection method is applied to safety detection equipment, the method comprises the following steps that when establishing communication connection with an intelligent terminal to be detected by safety detection equipment through a universal connection device, the safety detection equipment can obtain data information in the to-be-detected intelligent terminal, a preset vulnerability rule base is used for detecting the data information, if a response message of the data information is received or a sensitive keyword is detected, it is indicated that the to-be-detected intelligent terminal has an information security risk, and a corresponding detection result is generated. The universal connecting device is provided with various types of data interfaces which can be connected with different types of intelligent terminals, so that one safety detection device can be used for carrying out safety detection on various intelligent terminals, the detection period is shortened, the detection cost is reduced, and the safety detection efficiency of the intelligent terminals is improved. Correspondingly, the safety detection equipment of the intelligent terminal disclosed by the invention also has the above technical effects.

The invention discloses a detection method for an aluminum-plastic film for a lithium ion battery. Step 1: injecting a dilute sulfuric acid solution into the aluminum-plastic film, pumping and sealing the aluminum-plastic film injected with the dilute sulfuric acid solution; step 2: adding the step 1. The sealed aluminum-plastic film is put into an oven for heating, and after the heating is completed, the aluminum-plastic film is disassembled for identification; the beneficial effects of the present invention are: by injecting the aluminum-plastic film into the sulfuric acid solution for encapsulation and heating, the detection method is simple, the detection cost is low, and the method Flexible, if the detection rate needs to be increased, the concentration of the injected sulfuric acid solution can be increased, and the damaged position of the aluminum-plastic film can be found quickly and accurately.

The invention belongs to the field of concentration detection of solution ingredients, and particularly relates to a detergent concentration detection device for a washing machine and a detection method thereof. The detection device fully utilizes resources of the washing machine, takes a micro controller of the washing machines as a core, and then is configured with a sine wave alternating-current excitation source, a conductive cell, a signal processing circuit and a temperature compensation circuit; alternating-current voltage generated by the sine wave alternating-current excitation source is added to an electrode of the conductive cell; alternating-current signal current is generated in the conductive cell, is in direct proportion to conductivity of a detected solution, and is converted to be a direct-current voltage by current-voltage conversion as well as amplification and wave detection of the signal processing circuit; the temperature compensation circuit performs temperature compensation; finally, the concentration of a detergent is obtained by processing and conversion in the micro controller of the washing machine. According to the invention, the concentration of the detergent is obtained indirectly by measuring the conductivity of the solution, and the concentrations of detergents of different brands are in a favorable linear relationship with the conductivity especially within the concentration range of 0-0.15%.

The invention relates to a PCR detection kit based on riemerella anatipestifer Imp gene and a method thereof. The kit contains primer pairs shown as SEQ ID NO.2 and SEQ ID NO.3, wherein the nucleotidesequence of the riemerella anatipestifer Imp gene is shown as SEQ ID NO.1. The detection kit and method provided by the invention adopt Imp gene as the target gene to detect riemerella anatipestifer,have significant specificity and high sensitivity, and are of important significance for early detection of riemerella anatipestifer.

The invention discloses a method for simultaneously detecting trifloxystrobin and metabolite trifloxystrobin acid residual in rice by LC-MS/MS (Liquid Chromatography-Tandem Mass Spectrometry). The method comprises the following steps: extracting a to-be-detected rice sample; salting out a sample extracting solution; adding sodium chloride in the sample extracting solution for salting out, oscillating and centrifuging; purifying the sample subjected to salting out and diluting with acetonitrile; simultaneously detecting the trifloxystrobin and the metabolite o trifloxystrobin acid in the sample analysis solution by using a UPLC-MS/MS (Ultra High Performance LC-MS/MS) method. According to the method disclosed by the invention, a rice test sample is extracted with water and an acetonitrile mixed solution containing formic acid, then is purified by a matrix solid-phase extraction technology, and is subsequently and simultaneously detected under a multi-reaction monitoring (MRM) mode by using the UPLC-MS/MS, so that the simultaneous detection efficiency is improved, and the simultaneous detection cost is reduced; the method has the advantages of low detection limit, high sensitivity, good repeatability and high addition standard recovery rate.

The invention belongs to the technical field of electronic packaging lead bonding processes, and discloses a machine learning-based lead bonding quality prediction control method, which comprises the following steps of: selecting a plurality of key process parameters of lead bonding as key influence factors of lead bonding, and constructing a quality prediction neural network model based on the key influence factors; collecting real-time process parameters corresponding to the key influence factors when the lead bonding machine works; according to the real-time process parameters, the quality prediction neural network model is used for conducting lead bonding quality prediction, and a quality prediction result is obtained; and according to the quality prediction result, carrying out real-time adjustment on the process parameters of the lead bonding machine so as to ensure the expected bonding quality. According to the method, the product yield can be effectively increased, the influence of different machining working conditions on the product quality is effectively overcome, and the refined requirement for the product quality is met.

The invention is suitable for the technical field of motor detection, and provides a motor current detection method and system, a stirrer and a storage medium, and the method comprises the steps thata main MCU carries out the zero point detection of a to-be-detected motor in real time so as to calculate the delay time, controls a silicon controlled rectifier to be in a cut-off state in the delaytime, and starts timing; when the main MCU judges that the timing time is equal to the delay time, an excitation signal and an interrupt detection signal are correspondingly sent to the silicon controlled rectifier and the slave MCU; the silicon controlled rectifier performs rotating speed excitation on the to-be-detected motor, the MCU generates event interruption to perform current sampling on the to-be-detected motor, and when the MCU judges that the change slope ratio of the sampling signal is smaller than the preset slope ratio, current sampling is stopped; the slave MCU sends the maximumcurrent estimation value to the main MCU; when the main MCU receives the maximum sampling current estimation value, serial port interruption is generated to obtain current estimation data; and the main MCU filters the current estimation data to obtain an average value. The problem that the detection process is too high due to the fact that a current loop is adopted for current detection is solved.