20results about How to "The test results are consistent" patented technology

The invention relates to the technical field of heavy metal treatment. The invention provides a method for synergistically treating cadmium-polluted soil by using green manure and wollastonite. The method comprises the following steps: (1) interplanting green manure crops before harvesting rice; (2) after the rice is harvested, ditching in the field; (3) applying wollastonite before rice transplanting, and returning the wollastonite and green manure crops to the field; (4) irrigating the field for field retting; (5) applying a base fertilizer after field retting, and inserting seedlings; and (6) topdressing in the tillering stage of the rice. Green manure is returned to the field, so that the soil fertility is improved, and the rice growth is promoted. Wollastonite is used for providing a silicon fertilizer for growth and development of rice, and meanwhile, the bioavailability of soil cadmium is reduced. The green manure and the wollastonite cooperate with each other, so that the content of effective cadmium in the soil and the content of cadmium in the brown rice are efficiently reduced, and the green manure and the wollastonite are cooperatively applied to the rice field soil and can play a greater role in cadmium control.

The invention relates to the technical field of electrolyte battery performance monitoring, in particular to an ultra-high-temperature electrolyte battery performance monitoring system, which comprises a battery division module, a constant-temperature battery pack and a variable-temperature battery pack, the temperature division module is provided with a plurality of test temperature points; the constant-temperature test module performs constant-temperature charging and discharging test and records constant-temperature battery parameters; the constant-temperature analysis module is used for analyzing the plurality of constant-temperature battery parameters, determining the actual anomaly degree, and obtaining and adjusting the constant-temperature battery parameters and determining the constant-temperature performance based on a comparison result with a preset anomaly degree interval, or determining that the constant-temperature performance of the electrolyte battery is poor; a temperature change test module draws a temperature rise parameter change curve and a temperature drop parameter change curve; the temperature change analysis module determines the temperature rise stability and the temperature drop stability, adjusts a preset temperature interval when abnormity occurs, and determines the temperature change performance of the electrolyte battery; and the performance evaluation module determines the comprehensive performance of the electrolyte battery. According to the invention, the accuracy of the performance evaluation result of the electrolyte battery at high temperature is improved.

The invention discloses an intelligent detection system and method for coating color flaws and defects, and the method comprises the steps: selecting a standard sample, and creating a color code model based on a machine vision system; stacking and feeding, and conveying to a visual inspection station one by one; coating image information of all products in each tray is sequentially collected based on a machine vision detection system; feature parameters in the image information are extracted, and color flaws and defects of each to-be-detected product in each tray are compared and judged according to a color code model; marking unqualified products, and outputting a judgment result; and stacking and blanking. According to the invention, accurate quantification of coating colors of industrial products is realized, the defect of subjective judgment of human eyes is avoided, the detection efficiency and the defect identification precision are high, the manual dependence is reduced, the operation is convenient, mass production and full detection can be realized, and the pain point that manual detection and spectrograph detection cannot adapt to mass production is solved; and all microscope base product detection data in the corresponding charging tray can be called by identifying the identity information of the charging tray through the two-dimensional code, so that whole-course traceability is realized.

The utility model discloses a worm and gear structure type electric drawing instrument which comprises an operation box body, two sides of the operation box body are provided with adjusting support structures, and a drawing detection structure is arranged in the operation box body. The adjusting and supporting structure comprises two fixing plates, two limiting sleeves, two supporting frames, two driving box bodies and two meshing adjusting assemblies. The utility model relates to the technical field of drawing detection, and adopts the adjusting support structure and the drawing detection structure, the operation box body is supported in an adjustable support mode, the overall height of the operation box body can be adjusted in real time, the overall range of the drawing detection structure is increased, and the detection accuracy is improved. Kinetic energy transmission in the drawing process is carried out in a worm and gear structure mode, the reduction ratio of the worm and gear mode is large, the worm and gear mode has a self-locking function and can be better held, and therefore the detection process is more stable, detection results are more consistent, and data are more reliable and accurate.

The invention provides a PCB edge detection device and method, relates to the technical field of electronic manufacturing, and aims to solve the problems of low efficiency and insufficient accuracy of a traditional detection means. The device is mainly composed of a refrigerator, a light transmittance detection mechanism and a computer, and rapid, accurate and efficient detection of the edge of the PCB is achieved through a series of ingenious operation steps. Specifically, the method utilizes a temperature difference induced atomization and ice crystal formation mechanism to accurately capture tiny concave-convex parts at the edge of the PCB, and further ensures the accuracy of the detection result through the light transmittance map generation and image processing technology. Compared with a traditional method, the method has the advantages that the detection efficiency is remarkably improved, batch detection of the PCBs can be achieved, the detection cost is reduced, and meanwhile good adaptability and intelligent production potential are shown.

The present invention relates to a double-ring probe and a preparation method and application thereof, wherein the double-ring probe comprises a recognition module, a signal module and a template chain recognition module; the signal module is complementary connected to the template chain recognition module, and the template chain recognition module is complementary connected to the recognition module. The double-ring probe is applied to a biomarker detection platform, which is a universal platform, and can be switched to different biomarker detections by simply changing the recognition module and the corresponding signal module; the technology of simultaneously detecting proteins and nucleic acids with low-cost and uncomplicated instruments is realized.

The invention discloses an AIDS (Acquired Immune Deficiency Syndrome) antibody detection kit, which belongs to the technical field of medical detection and comprises a gold-labeled pad and an NC (nitrocellulose) membrane, the gold label pad is a glass cellulose membrane soaked with a mixture of an AIDS (Acquired Immune Deficiency Syndrome) 1 + 2 type gold label labeling antigen-colloidal gold compound and a chicken IgY (Immunoglobulin Y) colloidal gold compound; the AIDS (Acquired Immune Deficiency Syndrome) 1 + 2 type gold-labeled labeled antigen-colloidal gold compound is a compound of an AIDS 1 + 2 type gold-labeled labeled antigen and colloidal gold; the AIDS 1 + 2 type gold-labeled labeled antigen is one of HIVIgp41 + 120 and HIVIIgp36, and the AIDS 1 + 2 type gold-labeled labeled antigen is one of HIVIgp41 + 120 and The chicken IgY colloidal gold compound is a compound of a chicken IgY antibody and colloidal gold; a detection line and a control line are arranged on the NC membrane. The AIDS antibody detection kit prepared by the invention has the advantages of rapid result obtaining, high accuracy, comprehensive sample coverage and the like.

The present invention relates to the field of disease diagnosis, and specifically to the use of Rv1860 protein, RV3881c protein, Rv2031c protein and Rv3803c protein in the preparation of diagnostics for active pulmonary tuberculosis infection. The present invention provides a product for detecting the levels of anti-Rv1860 antibodies, anti-RV3881c antibodies, anti-Rv2031c antibodies and anti-Rv3803c antibodies in serum for use in the preparation of products for identification, diagnosis, auxiliary diagnosis, screening and / or auxiliary screening of patients with active pulmonary tuberculosis infection. Experiments have shown that a biomarker combination containing four antigens can effectively screen patients with active pulmonary tuberculosis infection.

This application discloses a parameter acquisition method for an oscillation waveform detection system, relating to the field of power system control technology. By accurately acquiring parameters such as the equivalent inductance, capacitance, resistance, and minimum test voltage of the transformer winding under test, as well as the maximum and minimum oscillation frequencies of the oscillation waveform detection system, the lower limit of the input impedance of the waveform acquisition module, the upper limit of the range, the upper limit of the output voltage amplitude of the DC power supply, and the maximum allowable output current, the method obtains the equivalent total capacitance of the oscillation waveform detection system, the series capacitance of the upper and lower arms of the voltage divider, the first capacitance of the waveform adjustment capacitor, the second and third capacitances of the upper and lower arms of the voltage divider, and the resistance of the current-limiting resistor. This avoids uncertainties arising from empirical design, ensures the stable and controllable quality of the generated oscillation waveform, and guarantees consistent and reliable detection results on transformers of different capacities and voltage levels.

The level of alkaline phosphatase (ALP) in a whole blood sample is monitored by using cobalt-doped carbon dot (Co-CDs) nano-enzyme with excellent oxidase simulation catalytic activity and red fluorescence emission and combining with A-3D [mu] PADs; co-CDs catalyzes the oxidation of non-fluorescent OPD into oxOPD with yellow fluorescence emission, and a large amount of O2 <.-> substances are generated; after ALP is added, AAP is hydrolyzed into AA by ALP, the AA is oxidized by Co-CDs and then reacts with OPD to generate DFQ emitting blue fluorescence; both the DFQ and the oxOPD can quench the fluorescence intensity of the Co-CDs through an inner filtering effect; a portable micro device and a smart phone are integrated, and the ALP detection device is used for detecting ALP simply, conveniently and visually. The detection result of the method on a clinical sample is consistent with the detection value of a biochemical analyzer. The A-3D [mu] PAD can be used for measuring various biomarkers due to high efficiency, disposable use, practicability and low cost, and a technical support is provided for the application of the nano-enzyme in a POCT (Point of Care Testing) environment.

The invention discloses a monkey pox antigen detection kit, and belongs to the technical field of virus detection.The monkey pox antigen detection kit comprises a PVC base plate, a sample pad, a colloidal gold pad, a nitrocellulose membrane and a water absorption pad, the sample pad, the colloidal gold pad, the nitrocellulose membrane and the water absorption pad are sequentially arranged on the PVC base plate, and the colloidal gold pad is coated with a monkey pox labeled antibody-colloidal gold compound and a chicken IgY colloidal gold compound; the nitrocellulose membrane comprises a test line and a control line which are arranged in parallel and spaced from each other, the test line is coated with a monkey pox coating antibody, and the control line is coated with a goat anti-chicken IgY monoclonal antibody. The monkey pox antigen in the human throat swab and the skin exudate is detected by a double-antigen sandwich method, and the method has the characteristics of simplicity and convenience in operation, rapidness in result obtaining, high accuracy, comprehensive sample coverage and the like.

The invention provides a novel combined marker for multi-target esophageal cancer detection and application thereof. A series of novel methylation sites capable of efficiently distinguishing esophageal cancer and esophagitis patients are found from high-depth whole genome methylation (WGBS) sequencing of cfDNA samples of esophageal cancer tissues, para-carcinoma tissues and normal people and targeted methylation sequencing data of cfDNA samples of esophageal cancer patients, normal people and benign disease patients; the kit can be used for efficient detection of esophageal cancer; the novel gene methylation site is combined with other esophageal cancer protein detection markers (such as CA199, CEA and SCCA), the AUC value can be further increased, and the sensitivity and specificity of esophageal cancer screening are improved.

The application discloses a kind of self-adapting pulse eddy current corrosion defect detection method and detection device, belong to electromagnetic nondestructive testing technical field.The method includes: respectively collecting air domain and the pulse eddy current signal of measured piece, and difference signal is constructed after filtering and logarithmic transformation;Based on the peak time of the difference signal, the slope ratio of rising and falling section and the initial change time difference, the best fitting interval of late slope is adaptively determined;Linear fitting is carried out to the measured piece signal in the interval, and the late slope characteristic value is extracted;Using the known thickness of calibration position and corresponding slope, the residual wall thickness of measured position is calculated by formula, and the quantitative evaluation of corrosion defect is realized.The application overcomes the problem that fitting interval depends on fixed threshold in prior art, and the adaptability is poor, can automatically adapt to different detection conditions, significantly improves the stability of feature extraction and the reliability of detection result, especially suitable for online corrosion detection of ferromagnetic component with cladding layer.

The utility model discloses a gear transmission type electric drawing instrument which comprises an operation box body, a screw rod is movably embedded in the center position of the operation box body, a detector connecting structure is arranged at the bottom end of the screw rod, installation supporting structures are arranged on the two sides of the operation box body, and a gear driving structure is arranged in the operation box body. According to the technical field of drawing detection, a mounting supporting structure capable of being rapidly disassembled and assembled and a detector connecting structure are adopted, during transportation and storage, a supporting plate and a detector can be rapidly disassembled, the overall occupied space of equipment is reduced, kinetic energy transmission in the drawing process is carried out by adopting a gear transmission mode structure, and the production efficiency is improved. The problems that when a rocker of a traditional manual drawing instrument is drawn, kinetic energy transmission is not stable in the drawing process, and holding in the drawing process is not good are solved, and therefore the detection process is more stable, detection results are more consistent, and data are more reliable and accurate.

The invention provides a novel marker combination and a kit for multi-target gastric cancer detection. A series of novel methylation sites capable of efficiently distinguishing gastric cancer and gastritis patients are found from high-depth whole genome methylation (WGBS) sequencing of cfDNA samples of gastric cancer tissues, para-carcinoma tissues and normal people and targeted methylation sequencing data of cfDNA samples of gastric cancer patients, normal people and benign disease patients, and the methylation sites can be used for efficiently detecting gastric cancer; the novel gene methylation site is combined with other gastric cancer detection markers (such as PGI, PGII, G17 and CEA), the AUC value can be further increased, and the sensitivity and specificity of gastric cancer screening are improved.

The invention relates to the technical field of image enhancement, and provides a food impurity detection method based on a spectrum technology, which comprises the following steps: acquiring spectrum image data and built-in reference plate data on line, and normalizing original data through real-time self-calibration to form standard spectrum characterization; performing motion and illumination disturbance compensation on the standard spectrum characterization, and establishing a material spectrum fingerprint database containing material category and source information based on the collected standard spectrums of the impurity material and the contact part material; performing rapid screening and connected domain extraction on the compensated spectral representation to obtain a candidate region, calculating the similarity and the novelty of the candidate region and the fingerprint database, and triggering local reinspection when the similarity falls into an uncertain interval or the novelty exceeds a preset threshold value to determine the category and the position of an impurity; and outputting a multi-dimensional detection result, and performing controlled updating and version management on the fingerprint database and the candidate screening threshold value based on a confirmation sample.

This invention belongs to the field of food safety testing technology. It discloses a high-standard testing method and apparatus for water quality grading in food processing. The method involves acquiring macro images of water samples using an industrial camera and a ring-shaped shadowless light source. Multi-scale Retinex enhancement processing is employed to eliminate the influence of uneven lighting. A lightweight MobileSAM network is used to accurately segment four types of abnormal regions: turbidity, suspended solids, abnormal color, and biofilm. Subsequently, features are extracted along three parallel channels: color, texture, and frequency domain. After standardization and decorrelation processing, an 18-dimensional abnormal feature vector is constructed. Based on the Fisher discriminant criterion, the optimal projection direction and dynamic grading threshold are determined. Finally, the water quality anomaly level is output through area-weighted comprehensive evaluation. This invention achieves objectivity and standardization of the testing process, possesses accurate identification capabilities for various water quality anomalies, and features an adaptive grading mechanism and intelligent comprehensive evaluation function, effectively identifying potential risks and providing early warnings.

The invention discloses a mobile terminal compatibility test method, a mobile terminal compatibility test panel and a mobile terminal compatibility test device. According to the method, compatibility testing of the mobile terminal is achieved by designing a testing panel, firstly, main control operation of a main control mobile terminal in a main control end is responded, a main control signal instruction is generated through the main control end, then the main control signal instruction is transmitted to a plurality of branch control ends through port data lines, and compatibility testing of the mobile terminal is achieved. And finally, indicating the sub-control mobile terminals in the plurality of sub-control terminals to simultaneously simulate the main control operation through the plurality of sub-control terminals according to the main control signal instruction so as to realize compatibility testing. In the process, the embodiment of the invention adopts a data line transmission form, and does not depend on network connection, so that the test process is more stable. The method is not influenced by network fluctuation, a tester can obtain a reliable test result, the possibility of test interruption is reduced, and the stability and credibility of the test are improved.

The present invention discloses a LAMP detection primer for apple ring rot pathogen and its application. A primer composition for detecting apple ring rot pathogen based on LAMP technology is composed of 6 specific primers F3, B3, FIP, BIP, LF and LB. The present invention also provides a LAMP detection method for apple ring rot pathogen, comprising the following steps: 1) extracting DNA of a sample to be tested; 2) using the primer composition provided by the present invention to perform loop-mediated isothermal amplification on the DNA of the sample to be tested; 3) detecting the result, judging that the color development result shows green fluorescence or the appearance of ladder bands in electrophoresis is positive, and judging that the color development result shows orange or orange-yellow or the appearance of ladder bands is negative. The present invention provides a new molecular detection method and primer composition for apple ring rot pathogen, which can detect apple ring rot pathogen quickly, conveniently, efficiently, highly specifically and sensitively, and provides a reliable technical and theoretical basis for early diagnosis, detection and rapid import and export detection of apple ring rot pathogen.

The invention relates to the technical field of leak detector detection limit calibration, in particular to a sulfur hexafluoride leak detector detection limit calibration device and method. The system comprises a gas distribution unit used for providing high-purity sulfur hexafluoride gas and working condition gas; the pressure container is provided with a gas inlet, a gas outlet and a standard leak hole, and the standard leak hole is used for generating sulfur hexafluoride gas with a known leak rate under a set pressure; and the gas distribution unit is connected with the gas inlet of the pressure container. The gas distribution unit is characterized in that a first switch valve is arranged on a high-purity sulfur hexafluoride gas bottle; a second switch valve is arranged on the working condition gas bottle, and the high-purity sulfur hexafluoride gas and the working condition gas are converged into the gas inlet through the first switch valve and the second switch valve respectively. According to the invention, accurate calibration of the detection limit of the sulfur hexafluoride leak detector can be realized in application scenarios under working conditions of different pressures and different sulfur hexafluoride concentrations, and it is ensured that the test result of the leak detector is consistent with the leakage condition under the actual working condition.