5results about How to "Improve quality control standards" patented technology

The invention belongs to but is not limited to the technical field of PCBA defect detection, and discloses a PCBA AI defect detection item demand response method and system, which adopts multi-scale long-range fusion, context information, super-resolution and block detection to improve a target detection algorithm, and performs detection and identification of a tiny target. Identifying the fine granularity of the target by adopting a contextual information and depth feature matching method; 3D point cloud and X-ray perspective are adopted, a multi-sensor fusion detection frame is used, and invisible defect detection is carried out. According to the method, AI technologies such as deep learning are utilized, the detection precision of small defects on the PCBA board is effectively improved, and missing detection and false detection are reduced. The AI technology can automatically identify and learn defect features, and efficiency and accuracy are significantly improved. The AI model can optimize the self algorithm through continuous learning, so that the detection system can adapt to different PCBA boards and production environments, and the universality and flexibility of the detection system are enhanced.

The application discloses a detection method of Baizhu San standard decoction fingerprint combined with liquid chromatography-mass spectrometry, the fingerprint and application thereof, and belongs to the field of traditional Chinese medicine quality standard research and application. Test sample solution and single control sample solution are injected into a high performance liquid chromatograph to obtain respective chromatograms; mass spectrometry analysis is conducted on the test sample solution to obtain mass spectrometry results; common peaks existing in the chromatogram of the test sample solution are taken as common peaks, chemical components in the Baizhu San standard decoction are identified in combination with the chromatogram of the single control sample solution and the mass spectrometry results of the test sample solution, and the Baizhu San standard decoction fingerprint is obtained. The fingerprint is constructed through liquid chromatography-mass spectrometry, 10 intersecting components are identified in combination with the mass spectrometry information of the control sample, so that the quality control of the Baizhu San standard decoction is realized, the method is simple, easy to operate, high in precision, good in stability and reproducibility, and can effectively solve the technical problem that the quality of the Baizhu San cannot be effectively evaluated.

The invention relates to a method for detecting gluconic acid related substances in a compound calcium gluconate oral solution, which belongs to the field of detection, and adopts correction factor determination to realize accurate quantification of D-glucose-gamma-lactone and D-glucose-delta-lactone. Through the determination of the correction factor, a reference substance solution is not needed in the subsequent detection process, so that the problem that the detection accuracy is still difficult to meet when the reference substance solution is prepared at present is solved, and the detection efficiency of a large number of samples in actual production is remarkably improved. The method can be used as a method for detecting D-glucose-gamma-lactone and D-glucose-delta-lactone in gluconic acid-containing samples such as a compound calcium gluconate oral solution, has the characteristics of high specificity, high sensitivity, high accuracy, good durability and the like, has the advantages of universality, practicability and the like, and is simpler, more convenient and more efficient to operate.

The present invention provides a detection method of a single-flavor capsule, a method for constructing a single-flavor capsule control fingerprint spectrum, a single-flavor capsule quality control method, and a method for detecting characteristic components in a single-flavor sample, and belongs to the technical field of drug detection. The chromatographic conditions of the method of the present invention are as follows: a chromatographic column: octadecylsilane bonded silica gel is used as a filler; a mobile phase: composed of phase A and phase B, wherein phase A is acetonitrile and phase B is 0.05%-0.2% phosphoric acid aqueous solution. The method of the present invention is simple and stable, has high precision, good repeatability and durability, can perform multi-component indications on single-flavor capsules and perform similarity evaluation, and can more fully and comprehensively reflect the component information in single-flavor capsules than the prior art, and increases the means for monitoring the quality control of single-flavor capsule intermediates and finished products, which is conducive to improving the control level of the overall quality of single-flavor capsules, ensuring the stability and uniformity of drug quality, and ensuring efficacy and drug safety.

The present invention discloses a colloidal gold test strip for detecting porcine reproductive and respiratory syndrome antibodies and a preparation method thereof, and belongs to the field of veterinary biotechnology. The present invention successfully achieves efficient expression and purification of the target protein P1NP2 by optimizing the immune peptide sequence and constructing a recombinant antigen protein expression vector. The specific binding of the recombinant antigen protein with the PRRSV antibody was verified by Western blot technology, proving its reliability and accuracy in antibody detection. By utilizing the principle of antigen detection colloidal gold test strips, a simple, rapid and efficient PRRSV antibody detection colloidal gold test strip detection method was established, and its performance was fully evaluated and verified. The present invention successfully developed a colloidal gold test strip for detecting porcine reproductive and respiratory syndrome antibodies and successfully prepared a commercial colloidal gold test strip box, which is of great significance to the diagnosis and prevention and control of PRRSV.