11results about How to "Efficient detection means" patented technology

The invention relates to the field of belt detection, and discloses a belt and material deviation detection method and device and a storage medium, and the method comprises the steps: employing an industrial camera to obtain belt images of material transportation and belt images without material transportation in different time periods; labeling the acquired images by using a label, and dividing the images into two types of belts and materials to obtain a constructed data set; constructing a belt and material segmentation model, and training the belt and material segmentation model by using the constructed data set to obtain a trained model; and acquiring a real-time image by using an industrial camera, and inputting the real-time image into the trained model to obtain an offset judgment result. The method has the beneficial effects that compared with a traditional belt deviation and material deviation detection method, the detection accuracy is high, and the realizability is good.

The invention belongs to the technical field of biological detection, and particularly relates to an auxiliary device for bovine tuberculosis kit detection and a use method of the auxiliary device. The problems that existing bovine tuberculosis detection equipment is large in size, inconvenient to carry to the site, complex in operation, low in detection efficiency and high in detection cost are solved. According to the scheme, a plurality of vibration assemblies are arranged on a box body, the vibration assemblies are connected with a supporting assembly, the vibration assemblies are used for driving the supporting assembly to move up and down, a storage box is placed on the supporting assembly, a pore plate is arranged on the storage box, and a sample tube is placed on the pore plate; the auxiliary device for bovine tuberculosis kit detection has the advantages of being small in size, light in weight, easy and convenient to operate, convenient to carry, low in cost and the like so as to meet the requirement for on-site rapid detection, especially in areas with limited resources, the timeliness and accuracy of bovine tuberculosis diagnosis are improved, prevention and control measures can be taken in time, and the detection efficiency is improved. Disease transmission risks are reduced, and healthy development of animal husbandry is guaranteed.

The invention discloses a method for accurately measuring the content of soluble suspended matters in a sodium aluminate solution, which comprises the following steps: (1) taking two parts of sodium aluminate solution in an aluminum oxide production process as two parts of samples, and keeping the temperature, the two parts of sodium aluminate solution being equal in amount; (2) filtering one sample to obtain filtrate and suspended matters; (3) adding ultrapure water into the other part of the sample, diluting to obtain a diluent, heating the diluent to 60 DEG C, stirring while heating until the solution is clarified, and then filtering to obtain filtrate and solid residues; (4) further comprising the following steps: a, drying the suspended matters in the step (2), weighing to obtain the total amount of the suspended matters, drying the solid residues in the step (3), and weighing to obtain the mass of insoluble suspended matters; calculating the content of the soluble suspended matters by adopting the following formula: the mass of the soluble suspended matters = the total amount of the suspended matters-the mass of the insoluble suspended matters; according to the method, the content of the soluble suspended matters in the sodium aluminate solution is accurately measured.

The invention discloses a method for rapid broad-spectrum detection of salmonella, and relates to the technical field of bacterial detection. Comprising the following steps: (1) preparing a labeled SERS probe; (2) preparing a Fe3O4 (at) Au (at) Ag magnetic composite material; (3) combining Fe3O4 (at) Au (at) AgNPs with Ag (at) 4MBA (at) AuNPs to construct an aptamer sensor; and (4) carrying out SERS detection on the salmonella. According to the novel surface enhanced Raman scattering (SERS) aptamer sensor constructed on the basis of noble metal nanoparticles and a magnetic composite material, according to the inverse proportion relation that the higher the salmonella concentration is, the weaker the Raman signal is generated according to the principle of a competition law, the ultrasensitive rapid field detection is carried out on different salmonella.

The invention provides a method for detecting environmental pollutants by using a dispersive liquid-liquid microextraction technology. The method is particularly suitable for detecting endocrine disrupters in a urine sample. According to the method, a proper amount of a NaCl solution, a dispersing agent acetonitrile and an extracting agent trichloromethane are added into a urine sample, and target pollutants are rapidly extracted; and after centrifugation and nitrogen blowing drying, redissolving by using a methanol-water mixed solution in a ratio of 1: 1, and finally detecting and quantitatively analyzing through UHPLC (Ultra High Performance Liquid Chromatography). Compared with liquid-liquid extraction and solid-phase extraction, the method has the characteristics of simplicity and convenience in operation, high extraction efficiency and high detection sensitivity, is suitable for detecting bisphenol compounds in various matrixes, conforms to the green chemistry principle, and reduces the use amount of organic solvents. The method can be widely applied to detection and analysis of trace pollutants in environmental samples, and provides reliable technical support for environmental monitoring and pollutant risk assessment.

The invention provides a primer group, a kit and a detection method for detecting five intestinal pathogens, and relates to the technical field of biotechnology, the primer group for detecting the five intestinal pathogens is characterized in that primers are respectively designed aiming at adenovirus 40, adenovirus 41, rotaid A group, norotype I and norotype I. The primer group further comprises an internal standard primer group aiming at an endogenous human housekeeping gene RnaseP, the five intestinal pathogens including adenovirus 40, adenovirus 41, rotaid A group, norotype I and norotype I can be detected at the same time, the limitation that a traditional detection method can only perform single detection is solved, the detection efficiency is improved, the detection time and cost are saved, the infection condition of a patient can be known more comprehensively, and the detection efficiency is improved through the elaborately designed and screened primer group. The high specificity and sensitivity to target pathogens are ensured, low-concentration pathogens can be accurately recognized and detected, the possibility of missed diagnosis and misdiagnosis is reduced, and powerful support is provided for early diagnosis and precise treatment of diseases.

The invention belongs to the field of fluorescent dyes and surface chemical modification, and particularly relates to a selective mercury ion detection material. The selective mercury ion detection material has a structure as shown in a formula I, wherein R1, R2, R3, R4, R5, R6, R7 and R8 are defined in the specification. The invention designs and develops a mercury ion detection adsorption material based on a high-performance Hg < 2 + > fluorescent probe Hg410, through high-selectivity and high-sensitivity detection of Hg < 2 + > by the Hg410, the Hg410 is modified and introduced into the surface of a mesoporous material to obtain a selective mercury ion detection material SiO2-Hg410, and detection of mercury ions in the environment is realized. # imgabs0 #

The application belongs to the technical field of gene detection, and particularly relates to specific primers, a Taqman probe and application of a bacillus velezensis HMB26553 strain. The specific primers and the probe sequence of the bacillus velezensis HMB26553 strain are respectively SEQ ID NO. 1, SEQ ID NO. 2 and SEQ ID NO. 3. The primers can amplify a single unique target fragment from the bacillus velezensis HMB26553 strain, and realize specific detection of the bacillus velezensis HMB26553 strain. The primers have the characteristics of high specificity, high detection efficiency, low false positive rate, long preservation time and the like. By using the primers and through real-time quantitative PCR technology, the population quantity of the bacillus velezensis HMB26553 strain in the rhizosphere of cotton can be quickly quantified, and the primers have the advantages of high throughput, rapidness and accuracy.

The utility model relates to connector detection technical field discloses a kind of connector detection system, by being respectively arranged first detection foot and second detection foot on male seat and female seat, and using the detection port of mainboard to carry out whether consistency monitoring to the level state of these two detection feet, whether the connection state of connector can be judged quickly, accurately. This detection mode overcomes the subjectivity and inefficiency problem of traditional manual visual inspection, also avoids the limitation of infrared detection equipment on identification accuracy, can automatically, objectively complete detection task, effectively improves the accuracy and stability of detection result, reduces the electronic equipment failure caused by connector connection bad, so as to significantly improve the overall performance and service life of electronic equipment, provides a kind of efficient, reliable detection means for the production, assembly and quality control of electronic equipment.

The invention provides a precise grading method and system based on video data. The method comprises the following steps: S1, acquiring abnormal posture video data of normal postures and different nervous system severity levels; s2, decomposing the acquired video data into frames, and enhancing each frame of image; s3, gait key point detection is carried out on each frame of image after preprocessing, and key point positions are extracted; s4, main features of the gait key points are extracted; s5, extracting gesture features; and S6, training a deep neural network model for nervous system grading according to the gesture feature vector and the gait feature vector. According to the invention, the accuracy and reliability of disease detection are obviously improved.

The invention discloses a water-induced vibration measuring device for drill hole fractures and a using method of the water-induced vibration measuring device, and belongs to the field of underground engineering of roadways, subways and tunnels. The device comprises a center rod body, a water-induced vibration measuring system and a tray fixing device, after the rod body fully injects water into the surface of the whole anchor hole through a high-pressure air pump, the water-induced vibration measuring device starts to operate, and the water in the anchor hole is stimulated to vibrate through vibration of a vibration rod on the surface of the rod body; the water-induced vibration measuring instrument can sense the vibration energy change in the anchor hole crack and convert the vibration energy change into an electric signal, the electric signal is transmitted into an external data processor through a data line, and the electric signal is converted into a vibration energy diagram through the processor, so that the distribution condition of water in the anchor hole crack is determined, and the detection function of the anchor hole crack is realized. The structure can detect the accurate position of the crack in the anchor hole, and has the advantages of accurate detection, reasonable structure, stable function, economy, applicability and the like.