17results about How to "Realize quality control" patented technology

The invention discloses a gas phase fingerprint spectrum of a transverse meridian mat. The gas phase fingerprint spectrum comprises a peak 1-5, and the retention time of the peak 1-5 is 16.89 + / -0.1 min, 17.36 + / -0.1 min, 17.89 + / -0.1 min, 19.37 + / -0.1 min and 19.6 + / -0.1 min in sequence; the construction method of the gas-phase fingerprint of the membranaceous beautyberry root comprises the following steps: crushing membranaceous beautyberry root to obtain membranaceous beautyberry root powder, adding water into the membranaceous beautyberry root powder, adding ethyl acetate, slightly boiling for 4 hours, naturally cooling to room temperature, standing for layering, and collecting an ethyl acetate layer as a test solution; carrying out liquid chromatography detection on the test solution; the method comprises the following steps: collecting 10 or more membranaceous beautyleaf root medicinal materials, carrying out detection operation according to the method, comparing obtained detection results, and selecting common characteristic peaks to obtain the gas-phase fingerprint spectrum of membranaceous beautyleaf root. The gas-phase fingerprint spectrum constructed by the method can be used for rapidly and accurately determining and identifying the membranaceous beautyberry root traditional Chinese medicinal material.

The invention discloses a rattan-plaited product quality control system, and the system comprises an input unit which collects the data information of the quality of a rattan-plaited product in the production process; the calculation unit obtains the data information collected by the input unit and calls an association formula to calculate and obtain quality evaluation data of the rattan plaited product; and the display processing unit is used for acquiring the quality evaluation data output by the calculation unit and carrying out corresponding display alarm according to the quality evaluation data. According to the rattan plaited product quality control system, information of the product is collected through the input unit arranged on each production process, quality detection is carried out on the product after the current process is completed, data are collected, and quality evaluation data are calculated according to an association formula to achieve quality monitoring of the whole link. And the problem of product scrapping or multi-channel repair caused by quality problems of quality detection after complete production of the product can be avoided.

The present invention relates to the field of drug analysis technology, and specifically to a Da Shanzhao Pill HPLC detection method, Da Shanzhao Pill fingerprint and application; the detection method includes Da Shanzhao Pill fingerprint and main index component quantitative method. A systematic investigation was conducted on different extraction methods, extraction time, extraction solvent, and extraction volume of samples to screen out the optimal extraction conditions; and the measurement data was systematically analyzed using chemometric tools. The results of the method are reliable and highly accurate, and can reflect the overall quality of commercially available Da Shanzhao Pills; the method can effectively monitor the quality status of Da Shanzhao Pills, and provide a scientific evaluation strategy for the control of the quality consistency and effectiveness of the preparation.

The patent relates to the technical field of tobacco, and particularly relates to a conveying system for a paper-process sheet drying oven and the paper-process sheet drying oven. The conveying system comprises a conveying device, a first deviation rectifying device and a second deviation rectifying device. The first deviation rectifying device and the second deviation rectifying device are both used to provide displacement in a deviation rectifying direction to the conveying belt, the deviation rectifying direction is perpendicular to the length direction of the conveying belt, the distance between the first deviation rectifying device and the end driving roller is not greater than 10%, 20% or 25% of the length direction size of the transmission assembly, and the second deviation rectifying device is arranged substantially symmetrically to the middle line of the transmission assembly in the length direction of the first deviation rectifying device. The patent can better solve the deviation problem of the conveying belt, save labor cost, improve production efficiency and reduce the labor intensity of the operator. The deviation rectifying frequency of the first deviation rectifying device and the second deviation rectifying device is lower during the working process, and the first deviation rectifying device and the second deviation rectifying device are more suitable for deviation rectifying of long-distance belt conveying systems and have a longer service life.

The invention discloses a fixed charge monitoring method and device and a process temperature regulation and control system, and belongs to the technical field of semiconductor process equipment. The monitoring method comprises the steps of determining a first C-V curve of a gate oxide layer, determining a second C-V curve of the gate oxide layer after heat treatment, then determining the charge quantity of fixed charges in the gate oxide layer according to the first C-V curve and the second C-V curve, and outputting a control signal under the condition that the charge quantity of the fixed charges is out of a threshold range. According to the technical scheme, real-time monitoring of the charge quantity of the fixed charges in the gate oxide layer is achieved, the whole wafer can be tested in the preparation process, detection does not need to be carried out after preparation is completed, the testing method is simple, and the testing efficiency is improved. Whether the process temperature of the gate oxide layer is abnormal or not can be found in time, and the stability of a production line and the reliability of a device are improved.

The invention discloses hydraulic system transmission element performance quality control equipment, and belongs to the technical field of valve body detection, the hydraulic system transmission element performance quality control equipment comprises a quality control management table and a detection inner seat body provided with an eddy current flaw detection device, the detection inner seat body is sleeved with a fatigue detection sleeve seat, and the outer side wall of the fatigue detection sleeve seat is sleeved with a magnetic control sleeve ring body; supporting end plates are arranged at the two ends of the quality control management table, and a master control device for controlling the detection inner seat body, the fatigue detection sleeve seat and the magnetic control sleeve ring body to rotate is arranged on the supporting end plates. The cartridge valve elements enter the detection port one by one through the fatigue test port formed in the magnetic control lantern ring body, and crack detection is conducted on the cartridge valve elements subjected to speed reduction through the retarding damping piece through the detection end of the eddy current flaw detection device which is arranged in the detection port and driven by the detection rotating ring to rotate. And the assembly standard of the rubber ring of the cartridge valve core is detected through the fan-shaped detection panel while the detection is carried out, so that the quality of the cartridge valve core is effectively mastered.

The invention belongs to the technical field of preservation, and relates to a taro storage and fresh-keeping method using a tea oil residue bacteriostatic extract, the tea oil residue is extracted with 30-70% ethanol according to a material-liquid ratio of 3: 1 or 5: 1, a bacteriostatic active crude extract is obtained, after taro is collected, the taro is firstly subjected to finishing pretreatment, and then the taro is subjected to drying treatment; camellia oil residues are rich in VE, polyphenol, camellia saponin, phytosterol, flavone and other active ingredients and have an antibacterial effect, ethanol is adopted for extraction to obtain a tea oil residue antibacterial active crude extract, the extracted tea oil residue active crude extract is used for soaking and treating a taro raw material, so that surface microorganisms are inactivated, the treated taro is dried, and the dried taro powder is obtained. The treated taros are placed in a refrigeration house to be preserved, the quality control and mildew and rot microorganism prevention and control effects of the picked taros are achieved, the quality of the taros is greatly improved, and the preservation period of the taros is greatly prolonged.

The utility model relates to the technical field of battery cell production, and discloses a cleaning device integrating detecting, positioning and cleaning functions, which comprises a turntable mechanism, a feeding mechanism, a cleaning mechanism and a first discharging mechanism are sequentially arranged on the periphery of the turntable mechanism, and a detecting and positioning mechanism is arranged on a feeding path of the feeding mechanism; the detection positioning mechanism comprises a visual detection unit; and the visual detection unit is used for carrying out appearance detection and position calculation on the battery cell. The utility model has the following technical effects: by arranging the visual inspection unit, the appearance of the battery cell can be inspected before the battery cell is cleaned, so that the quality control of the battery cell production link is realized, and the production quality of the battery cell is improved; and the visual detection unit can realize detection and positioning functions at the same time, so that the feeding mechanism accurately places the battery cells on the turntable mechanism, accurate alignment and cleaning are realized, the positioning accuracy is high, and the operation quality and efficiency are high.

The invention discloses wafer integrated processing equipment and an integrated processing method. The integrated processing equipment of the wafer comprises a pretreatment cavity used for carrying out plasma pretreatment on a substrate; the cobalt deposition cavity is used for performing cobalt deposition treatment on the substrate; the aluminum nitride cavity is used for carrying out aluminum nitride deposition treatment on the wafer; the oxygen-doped silicon carbide cavity is used for performing oxygen-doped silicon carbide deposition treatment on the wafer; and the transmission device is connected with the pretreatment cavity, the cobalt deposition cavity, the aluminum nitride cavity and the oxygen-doped silicon carbide cavity, and is used for driving the wafer to flow among the pretreatment cavity, the cobalt deposition cavity, the aluminum nitride cavity and the oxygen-doped silicon carbide cavity in a vacuum environment. According to the invention, the wafer processing process is integrated in the same platform equipment, the wafer can continue to enter the aluminum nitride cavity for deposition in a vacuum state after cobalt deposition treatment, and then enters the oxygen-doped silicon carbide cavity for deposition, so that cobalt can be prevented from being exposed in an air environment, and the risks of surface oxidation and particle pollution are reduced.

The invention discloses a boundary beam type frame detection device, which comprises a detection platform at the bottom, an angle detection ruler, a thickness detection part at the upper part of the detection platform and a flatness detection assembly, the vehicle longitudinal beam groove angle is detected through the angle detection ruler; a vehicle frame assembly is placed on the detection platform, the vertical installation condition of the vehicle frame assembly is detected through the detection platform, and the thickness and flatness of a vehicle boundary beam are detected through the thickness detection component and the flatness detection component respectively. The invention further discloses a corresponding detection method. The overall stability and reliability of the frame assembly are improved, the service life of tires is prolonged, the maintenance cost of a vehicle is reduced, and operation is easy.

The present invention provides a smart furniture quality management method based on MEMS sensors, which belongs to the technical field of quality control, and specifically comprises: installing MEMS sensors at connection lock positions and support frames of assembled furniture, and determining connection pressures of different connection lock positions and support pressures at support frames based on the MEMS sensors, performing furniture problem assessment amounts of different assembled furniture and determining problematic assembled furniture according to the number of problematic connection lock positions of different assembled furniture and the problem assessment amounts of the connection lock positions, determining a comprehensive quality assessment value of the assembled furniture in combination with the comprehensive problem assessment amounts of the problematic connection lock positions, and outputting quality control measures for the assembled furniture according to the comprehensive quality assessment values, thereby further improving the accuracy and pertinence of quality control.

The invention discloses a method for detecting the loss degree of a polyA sequence of a plasmid template and application of the method in quality control of an mRNA (messenger Ribonucleic Acid) product prepared by in-vitro transcription, and the method comprises the following steps: inserting a restriction enzyme cutting site E1 into a spacer sequence contained in the polyA sequence, enzyme digestion is carried out on E1 and another enzyme digestion site E which is different from the E1 and is contained in the plasmid template, and the integrity of the E1 is detected on the basis of electrophoresis of an enzyme digestion product or an HPLC (High Performance Liquid Chromatography) result, so that the integrity of the polyA sequence is detected. Compared with traditional sanger sequencing for detecting the integrity of the polyA, the method does not depend on special sequencing equipment, the result can be obtained within 1-2 hours, and quantitative or semi-quantitative analysis can be carried out on the integrity of the polyA. The method has important practical value for ensuring good quality of a DNA plasmid template and complete biological functions of mRNA obtained by in-vitro transcription.

The application discloses a plastic spraying link quality detection feedback method and system, and relates to the field of plastic spraying quality control systems.The scheme points comprise a nozzle management module, the nozzle management module allocates a unique electronic code to each nozzle, monitors the parameters of each nozzle in real time, and calibrates the position of the nozzle regularly; a scheme library module, the scheme library module stores a plurality of plastic spraying master schemes, each master scheme corresponds to a specific type of product, the master scheme contains a plurality of sub-schemes of the product under different working conditions, and the scheme library module establishes an association rule between the master scheme and the sub-scheme; the application fuses the working environment changes through a multi-source sensor, and combines a machine learning model to predict the best process parameter combination; the electronic code is used to realize independent control of a single nozzle, and a position calibration algorithm is used to ensure uniform coverage of complex curved surface workpieces; a three-dimensional evaluation network covering the overall appearance, local microstructure and performance indicators is used to realize quality control from the macroscopic to the microscopic.

The present invention discloses a device for testing the hardness of injection molded parts, comprising a fixed base, a detachable lower pressure head, a pressure head locking block, a locking screw, and a pressure head fixing plate; one end of the pressure head fixing plate is fixedly connected to a press machine, and the pressure head fixing plate is connected and fixed to the pressure head locking block by a locking screw; a verticality adjustment structure is provided between the pressure head locking block and the pressure head fixing plate; the detachable lower pressure head is connected and fixed to the pressure head locking block, and the injection molded part to be tested is placed on the fixed base and corresponds to the detachable lower pressure head. With the support of a certain downward pressure, an indentation is left on the surface of the injection molded part to be tested on the fixed base, and the overall hardness of the injection molded part to be tested is reflected by testing the diameter of the indentation left on the surface of the injection molded part. The present invention can realize the testing and control of the hardness of the injection molded part through a simple action principle, and can control the strength of the injection molded part at the feeding end, thereby avoiding large-scale defects in the finished product stage and causing waste.

The invention discloses a lithium battery defect signal extraction method based on improved WOA-VMD, and belongs to the technical field of lithium battery nondestructive testing and signal processing. According to the method, aiming at the problems of low signal-to-noise ratio after ultrasonic signal penetration and difficulty in defect feature extraction caused by an internal multi-layer structure during air coupling ultrasonic detection of a lithium battery, a cosine convergence factor and a nonlinear inertia weight strategy are introduced to improve a traditional whale optimization algorithm; key parameters of variational mode decomposition are optimized in a self-adaptive mode; variational mode decomposition is carried out on the noisy ultrasonic signal by using the optimized parameters, and dominant intrinsic mode function components are screened out according to a correlation coefficient threshold value; and carrying out wavelet threshold denoising on the screened components, and finally reconstructing to obtain a defect characteristic signal with a high signal-to-noise ratio. The method has high adaptability and robustness, is suitable for defect detection of lithium batteries of different specifications, and provides an effective technical means for safety and reliability evaluation of the lithium batteries.

The present invention discloses a quality supervision method and system for cast-in-place pile concealed engineering. The present invention registers cast-in-place pile steel cage design data, registers and manages the receipt and inspection of steel bar raw materials, and associates the corresponding material receipt records to realize the quality traceability management of steel bar receipt and inspection. By registering the construction data during the construction process of the cast-in-place pile steel cage, the construction data and design data can be compared to identify abnormal steel bar usage; by summarizing and counting the steel bar usage of each cast-in-place pile main bar, spiral stirrup and stiffening stirrup corresponding to the steel bar model and specification, and comparing it with the number of detection representatives of the associated steel bar raw material inspection report, abnormal steel bar usage can be identified. On the one hand, the quality of steel bar raw materials in the construction process of cast-in-place pile concealed engineering can be ensured, and on the other hand, abnormal situations that may exist in cutting corners can be discovered in time through steel bar calculation, ensuring the construction quality of cast-in-place pile concealed engineering.

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.