21results about How to "Effective quality control" patented technology

The invention relates to the technical field of steel pipe safety production, in particular to a seamless steel pipe production detection system and method based on a bent shell screw drill, and the system comprises a production process detection module, a steel pipe quality detection module and a quality detection platform, the production process detection module is used for processing to obtain a seamless steel tube production process abnormal evaluation value; the steel pipe quality detection module is used for processing to obtain a seamless steel pipe surface quality evaluation value and a seamless steel pipe internal quality evaluation value; according to the seamless steel pipe production detection system based on the bent shell screw drill and the production method, the abnormities in the production process of the seamless steel pipe, the number of early warning times and the surface quality and the internal quality of the seamless steel pipe are comprehensively analyzed; quality control can be carried out more effectively, production parameters are adjusted in time, defects are reduced, and therefore the product quality is improved.

The invention relates to the technical field of medical beauty product quality traceability, in particular to a medical beauty product quality traceability method and system based on the Internet of Things. The method comprises the following steps: tracing the whole process of the medical beauty products through the Internet of Things, and obtaining raw material sources and characteristic data of the medical beauty products; analyzing finished product stability of medical beauty products by combining raw material characteristic data, monitoring transportation and storage conditions, and detecting component failure; evaluating and detecting irritant growth by analyzing component failure data; the production storage abnormity is analyzed according to the irritant growth data, and effective management of the whole process of the medical beauty products is finally achieved; the medical beauty product quality is managed through the medical beauty product quality tracing method, so that the medical beauty product quality is safer and more stable.

The invention discloses a preparation method of high-purity mannitin-5-nicotinate, which comprises the following steps: mixing mannitin-6-nicotinate with a first solvent, heating and stirring until the mixture is fully dispersed, then adding organic alkali, and carrying out heat preservation reflux reaction at 40-45 DEG C for 3-4 hours to obtain a primary mixed solution; adding an acid into the primary mixed solution to adjust the pH value to 5-6, then stopping adding the acid, raising the temperature to 65-70 DEG C, carrying out atmospheric distillation treatment, and after full distillation, cooling and washing to obtain a mannityl pentanicotinate crude product; and mixing the mannityl pentanicotinate crude product with a second solvent, and sequentially carrying out pulping refining, cooling crystallization and solid-liquid separation to obtain the high-purity mannityl pentanicotinate. According to the method, mannitol hexanicotinate is used as a raw material, the mannitol hexanicotinate and the organic base are hydrolyzed in the mixed solvent of methyl alcohol and methyl chloride to obtain the mannitol pentanicotinate crude product, the reaction selectivity is high, few by-products are produced, the purity is high, the yield is high, the method can be effectively used for mannitol hexanicotinate quality control, and the accuracy of the detection method is improved.

The invention discloses a method for detecting nitrosamine impurities in a levosalbutamol hydrochloride aerosol inhalation solution, which comprises the following steps: diluting the levosalbutamol hydrochloride aerosol inhalation solution to obtain a test solution; detecting the test solution by adopting an ultra-high performance liquid chromatography-mass spectrometry method; chromatographic conditions are as follows: a filler of a chromatographic column is octadecylsilane chemically bonded silica; the mobile phase A is a formic acid aqueous solution, the concentration of formic acid is 0.09-0.11%, and% is volume percent; the mobile phase B is acetonitrile; the nitrosamine impurity is N-nitroso-salbutamol. The detection method is high in selectivity and good in specificity, the limit of quantitation is as low as 1.2% of the limit, the limit of detection is as low as 0.4% of the limit, detection can be completed only in 10 minutes, the method is high in sensitivity, the content of trace nitrosamine impurity N-nitroso-salbutamol in a sample can be rapidly and accurately detected, and the analysis cost is effectively reduced.

The present application provides a ginseng quality nondestructive evaluation method based on hyperspectral and X-ray technology, belongs to the field of spectral analysis technology, and comprises the following steps: collecting information of a complete ginseng sample by using hyperspectral and X-ray technology, and integrating complementary information from the two devices by a modeling method of ensemble learning. The present application provides a fast, nondestructive and accurate ginseng quality evaluation method, and solves the problems of low accuracy of experience identification analysis, complex and time-consuming pretreatment of wet chemical analysis method, and difficulty in adapting to batch rapid detection due to sample crushing treatment of near-infrared spectral analysis technology.

The invention belongs to the technical field of quality detection of traditional Chinese medicinal materials, and particularly relates to a quantitative analysis method for effective components of common goldenrop medicinal materials. The method comprises the following steps: a, preparation of a reference substance solution: precisely weighing neochlorogenic acid, chlorogenic acid, cryptochlorogenic acid, rutin, 3, 5-O-dicaffeoylquinic acid, quercitrin and 4, 5-O-dicaffeoylquinic acid reference substances, and adding methanol to prepare a mixed reference substance solution; b, preparation of a test solution: crushing a common goldenrop herb, adding a methanol solution for extraction, and filtering to obtain the test solution; and c, determination: respectively and precisely sucking the reference substance solution and the test solution, injecting into an ultra-high performance liquid chromatograph, determining, and calculating the content by adopting an external standard method. The method can simultaneously detect and analyze the contents of seven chemical components in the common goldenrop herb, has good linearity, repeatability, stability and recovery rate, and can effectively control the quality of the common goldenrop herb.

The invention discloses a gas cabinet side plate modular assembly device and method, the gas cabinet side plate modular assembly device comprises four jig frame beams, the four jig frame beams are welded and fixed, and the bottoms of the jig frame beams located on the left side and the right side are fixedly connected with a plurality of jig frame columns distributed at equal intervals; the inner sides of the jig frame beams located on the left side and the right side are fixedly connected with a plurality of horizontal jig frame secondary beams distributed at equal intervals, the middle ends of the inner sides of the jig frame beams located on the front side and the rear side are fixedly connected with a vertical jig frame secondary beam, and the tops of the jig frame secondary beams are fixedly connected with module shaping plates. According to the modularized splicing device for the side plates of the gas holder, the side plates are constructed in a modularized mode through the splicing technology on the horizontal ground, and the chord height, the radius and other sizes of the arc-shaped structures of the side plates can be effectively controlled; welding shrinkage deformation control can be well done in advance, and effective quality control can be achieved for installation of the side plate of the gas holder.

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 utility model relates to the technical field of automobile motor testing, in particular to a new energy automobile motor test board. Comprising a base, a mounting plate and an auxiliary device, a testing machine is mounted on the surface of the upper end of the base, a motor body is mounted on the surface of the upper end of the mounting plate, the output end of the motor body is fixedly connected with the surface of one end of the testing machine, and an adjusting device is arranged at the position, corresponding to the motor body, of the surface of the base. The adjusting device comprises four supporting columns and a bearing plate, the bottom ends of the four supporting columns are fixedly connected with the surface of the base, the surface of the mounting plate is fixedly connected with the bearing plate through an auxiliary device, and connecting frames are fixedly connected to the positions, corresponding to the supporting columns, of the surface of the bottom end of the bearing plate; the inner wall of the connecting frame is in sliding connection with the surface of the supporting column. The new energy automobile motor testboard provided by the utility model has the advantage that the position of the motor can be conveniently lifted, adjusted and limited.

The invention belongs to the technical field of material nondestructive testing, and relates to an ultrasonic C scanning abnormal image classification method based on a neural network, which comprises the following steps of: 1, acquiring a defect-containing C scanning image of a target to be detected; step 2, carrying out digital preprocessing on the obtained C scanning image with the defect; step 3, constructing an ultrasonic C scanning abnormal image classification model based on the convolutional neural network model; 4, performing training optimization on the ultrasonic C scanning abnormal image classification model; and step 5, inputting the defect-containing C-scanning image into the trained and optimized ultrasonic C-scanning abnormal image classification model to obtain a classification result of the ultrasonic C-scanning abnormal image. According to the method, the problem of accurate qualification of abnormal image information in ultrasonic C scanning detection is solved, particularly, abnormal signal preliminary qualification can be rapidly carried out under the condition that Gr.5 materials are not damaged, and a rapid and reliable qualitative method is provided for the Gr.5 ultrasonic detection technology.

The invention discloses a method for detecting related substances in acalotrombopag maleate, which comprises the following steps: an octadecyl silane bonded silica gel chromatographic column, a mobile phase A and a mobile phase B are subjected to online mixed gradient elution, the mobile phase A is a water-acid-alcohol mixed solution, the acid is one or more of trifluoroacetic acid, formic acid, acetic acid and phosphoric acid, the mobile phase B is one or more of ethyl acetate, ethyl acetate and ethyl acetate, and the mobile phase C is one or more of ethyl acetate, ethyl acetate and ethyl acetate. The alcohol is methanol and / or ethanol; the mobile phase B is a solution of acid and an organic solvent, the acid is formic acid and / or trifluoroacetic acid, and the organic solvent is one or more of methanol, acetonitrile and tetrahydrofuran; the related substances are impurities A, B, C, D, E, F, G, H and I shown in the following formulas. The method provided by the invention can quickly and effectively separate the avantrombopag maleate raw material medicine from 9 impurities under the same chromatographic condition, the separation degree is greater than 1.2, the method has strong specificity, high sensitivity, good precision and high accuracy, the quality of the raw material medicine can be effectively controlled, and the effectiveness and safety of the medicine are finally ensured. # imgabs0 #

This utility model discloses a testing fixture for waterproof plugs on wire harness connectors, including a base plate. Push-pull members and metal conductive plates are respectively connected to both ends of the base plate. A fixed seat and a slide are connected to the base plate between the push-pull members and the metal conductive plates. The slide is slidably fitted onto the base plate, and a base for accommodating connectors is connected to the slide. A retaining plate is connected above the base. Several sliding sleeves are connected to the fixed seat, and metal pins are slidably fitted onto the sliding sleeves. An elastic element is connected inside the sliding sleeve, and the elastic element pushes the metal pins to move away from the metal conductive plates. When the push-pull member pushes the slide to move closer to the metal conductive plates, the connector on the base pushes the metal pins to contact the metal conductive plates. This utility model replaces traditional visual inspection, providing a mistake-proof function, effectively controlling product quality, reducing employee fatigue, preventing defective products from leaving the product, and minimizing company losses.

This invention relates to an iron-based lithium lanthanum zirconate solid electrolyte, its preparation method, and a lithium battery. The iron-based lithium lanthanum zirconate solid electrolyte of this invention has a cubic lithium-rich garnet structure with space group , and its chemical formula is Li. 7‑3x La 3‑y Zr 2‑z Fe x O 12 (where 0)

The invention relates to the technical field of semiconductor device control, and particularly discloses a real-time control method of a semiconductor device, which comprises the following steps of: evaluating a scribing processing performance index, judging a scribing quality coincidence degree value, and controlling the quality of the semiconductor device. The scribing quality parameter preset set of the semiconductor chip is obtained through matching, standardized parameter setting is provided for scribing processing operation, quality monitoring is carried out on each semiconductor sub-chip, the scribing quality coincidence degree value of each semiconductor sub-chip is judged, and quality early warning prompt is carried out on each unqualified semiconductor sub-chip. Through early warning prompt, quality processing can be carried out on unqualified sub-chips as early as possible, the number of unqualified semiconductor chips is reduced, and effective quality control of the semiconductor device is finally realized.

The invention discloses a method for constructing a characteristic spectrum and a control spectrum of fructus broussonetiae and a method for distinguishing true and fake fructus broussonetiae. The method comprises the following steps: respectively injecting a fructus broussonetiae test solution and a reference substance solution into ultra-high performance liquid chromatography to obtain a characteristic chromatogram; and importing the characteristic chromatogram into a traditional Chinese medicine chromatographic fingerprint similarity evaluation system to establish a control chromatogram. And comparing the characteristic peak with the peak of the reference substance solution spectrum, and distinguishing the test sample as the fructus broussonetiae or the counterfeit product. The characteristic chromatogram is rich in chromatographic information, high in specificity, short in time, good in chromatographic peak separation degree and stable in base line, and the technology is good in reproducibility and high in stability; technical guarantee is provided for true and false identification of fructus broussonetiae raw materials and preparations; the method is simple, accurate, reliable and convenient to operate, and compared with a traditional biological identification method, the required sample amount is small, the detection time is saved, and the efficiency is high; and the solvent consumption is low, the toxicity of the used solvent is low, and the environmental pollution is small.

The present invention discloses a power electronic distribution network source-grid-load optimization operation control method and system. A power electronic distribution network source-grid-load optimization operation control method of the present invention comprises the following steps: first, a fully connected neural network model is constructed to predict the day-ahead output of the photovoltaic power generation system; second, the historical data of the distribution network is used as input to establish a power electronic distribution network coordination optimization model, and the particle swarm optimization algorithm is used to solve the optimal control strategy of the intelligent device as a training set; then, a fully connected neural network and a convolutional neural network are constructed to train the control strategies of the continuous and discrete devices in the training set; finally, the load demand daily ratio is used to calculate the load data required for the day-ahead scheduling, and the trained network is used to obtain the day-ahead time-division coordination optimization strategy of the distribution network; the above method can reduce network losses and avoid node voltage exceeding the limit, thereby ensuring the safe and stable operation of the network.

The application discloses a method for determining degradation impurities and excipients in Pregabalin oral solution by HPLC, selects octadecylsilane bonded silica gel as a stationary phase, and uses a mixed solvent of an organic phase and a buffer as a mobile phase for gradient elution. The method can separate the degradation impurities and excipients in the Pregabalin oral solution under the same chromatographic condition, and the separation is fast and efficient, so that the detection result of the related substances of the product is exclusive and reliable, and the quality of the preparation can be effectively controlled. The detection method has strong specificity, high precision, good accuracy and convenient operation, and can effectively control the quality of the medicine.

The utility model provides a galvanized cooling device for hot-rolled ribbed steel bars. The galvanized cooling device comprises an air cooling mechanism and a water quenching mechanism which are sequentially arranged in the conveying direction of the hot-rolled ribbed steel bars, the air cooling mechanism comprises an air cooler and an air cooler, air inlets communicated with the outlet end of the air cooler are formed in the top and the bottom of the air cooler, and a transversely-through steel bar conveying channel is formed in the air cooler; the water quenching mechanism comprises a wear-resistant guide cylinder and a sealing cover arranged outside the wear-resistant guide cylinder, the two ends of the wear-resistant guide cylinder extend out of the sealing cover, a plurality of water holes are uniformly formed in a cylinder body, located in the sealing cover, of the wear-resistant guide cylinder, and a cold water inlet communicated with a cold water main pipe is formed in the top of the sealing cover. According to the utility model, the temperature is reduced to about 160 DEG C by adopting air cooling, and then is reduced to 40-50 DEG C by adopting large-flow cold water flushing, and the cooling speed of the zinc layer on the surface of the steel bar and the organization structure of the zinc layer are effectively controlled through secondary cooling.

The invention relates to the field of chemical analysis, in particular to a method for detecting resorcinol and related substances thereof, a test solution is detected by adopting a high performance liquid chromatography detection method, and octadecylsilane chemically bonded silica gel is used as a stationary phase; the method comprises the following steps: taking a mobile phase A and a mobile phase B, taking a 0.05-0.2% ammonia water solution, regulating the pH value of the ammonia water solution to 5.5-7.5 by using acid, taking methanol as the mobile phase B, and effectively separating and quantitatively determining possible impurities in a resorcinol raw material medicine or a preparation containing the resorcinol raw material medicine under a specific elution procedure by continuously optimizing a gradient elution procedure. Therefore, the quality of the resorcinol raw material medicine or a preparation product containing the resorcinol raw material medicine is effectively controlled.

The present invention relates to the technical field of appearance quality detection, and in particular to a method for detecting the appearance quality of a mobile power supply based on machine vision. The method comprises the following steps: using a high-resolution spectral camera to collect multi-angle spectral images of a mobile power supply, and performing texture structure reflection spectrum analysis to obtain a mobile power supply texture structure reflection spectrum; performing texture ductility analysis on the mobile power supply texture structure reflection spectrum, and performing geometric distortion analysis to obtain texture defect geometric distortion data; performing rough perception evaluation on the texture defect geometric distortion data to obtain texture defect rough perception data; performing defect severity level classification on the mobile power supply texture structure reflection spectrum to obtain a defect severity level classification report; performing automated quality monitoring firmware design based on the defect severity level classification report to obtain automated quality monitoring firmware. The present invention makes the appearance quality detection technology more perfect by optimizing the appearance quality detection technology.

The invention discloses a method for detecting degraded impurities in ezetimibe atorvastatin calcium tablets, and belongs to the technical field of pharmaceutical analysis. The detection method comprises the following steps: mixing an acetic acid-ammonium acetate buffer solution with the concentration of 3.0-5.0 g / L and the pH value of 5.4-6.0 with acetonitrile to obtain a diluent; preparing a test sample solution by utilizing the diluent, and then determining the test sample solution by adopting a high performance liquid chromatography; chromatographic parameters are as follows: the sample introduction temperature is 2-8 DEG C; a chromatographic column takes phenylsilane bonded silica gel as a filling agent; a mobile phase A is a mixed solution of an acetic acid-ammonium acetate buffer solution and tetrahydrofuran, and a mobile phase B is a mixed solution of acetonitrile and tetrahydrofuran. The detection method disclosed by the invention can effectively control the increase of impurities in the solution, is high in specificity, high in precision and good in accuracy, and can effectively control the medicine quality of the ezetimibe atorvastatin calcium tablets.