100results about How to "Easy for quality inspection" patented technology

The invention discloses a knowledge base-based three-dimensional X-ray computed tomography (CT) detection system. The system comprises a data acquisition module, a slice reconstruction module, an image segmentation module, an image registration module, a defect detection module and a knowledge base management module, wherein the data acquisition module is used for acquiring CT projection data; the slice reconstruction module is used for reconstructing a two-dimensional slice according to the acquired CT projection data and recovering a slice CT image; the image segmentation module is used for segmenting the CT image information of an important part of the chip for the slice CT image; the image registration module is used for performing registration on the CT image to be detected and the standard CT image and finding out the correspondence between the two to realize comparability of the corresponding parts; the defect detection module is used for extracting CT image characteristic of a chip to be detected, comparing with corresponding characteristic of the standard CT image of the chip in a knowledge base and judging whether the chip to be detected is defective and judging the type of the defect. The system and the method are accurate in defect positioning and high in quality detection accuracy.

An automatic detecting device with combined ultrasonic and vortex flow for the material of bar and tube is composed of conveying mechanism and devices of detecting, detecting display, recording and automatic control, among which the conveying mechanism consists of motor, conveying roller way and three-wheel driver foring vortex detection line and vortex passing detection line, and the two lines are connected by driving and driven cone gears and universal coupling the detecting devices is composed of probe set, probe frame and probe water box, while the probe frame including adjusting mechanism, guide screw and sliding rail mechanism to be placed in the probe water box, and the probe set to be set on the probe frame outside the probe water box. A group of probes for longitudinal fault detection equiped with two ultrasonic water-dipped point focusing probes B and C, and a group of probes for transverse fault detection equioped with two ultrasonic water-dipped

The invention belongs to the technical field of pipeline detection, and discloses a natural gas pipeline quality detection device. The natural gas pipeline quality detection device comprises an annular block, wherein an annular groove is formed in the front of the annular block, a rotating motor is fixedly mounted in the annular groove, and the rotating motor extends to the outer side of the annular groove. While in use, according to the inner diameter of a natural gas pipeline to be detected, the lengths of four second telescopic members are simultaneously adjusted through an adjusting assembly, so that four travelling wheels can be in contact with the inner wall of the natural gas pipeline, and the length of a first telescopic member is adjusted, so that a miniature high definition digital camera is close to the inner wall of the pipeline; and through cooperation of a driving motor, a walking shaft and the travelling wheels, the entire device is driven to move in the pipeline, and atthis time, the motor rotates to drive the rotating shaft, the first telescopic member and a mounting block to rotate so as to drive the miniature high definition digital camera to shoot the inner wall of the pipeline, and perform comprehensive detection on the quality of the inner wall of the pipeline. The natural gas pipeline quality detection device is simple to operate, and good in effects, and can be suitable for detection of the inner walls of pipelines of different sizes.

The invention relates to a method for building a fingerprint spectrum for a radix paeoniae alba pharmaceutic preparation. The method comprises the steps that radix paeoniae alba formula granules are adopted as a detection object, the fingerprint spectrum for the radix paeoniae alba pharmaceutic preparation is built, comprehensive spectrum information is obtained, first peak hydroxy-paeoniflorin, second peak albiflorin std and third peak paeoniflorin sharing the characteristic peaks are determined, the third peak paeoniflorin is selected as an internal reference peak in the fingerprint spectrum, and the relative retention time of the first, second, fourth and other shared characteristic peaks of the radix paeoniae alba formula granules is determined; on the basis of the information of the multiple chromatographic peaks in the fingerprint spectrum, the quality of the radix paeoniae alba formula granules can be comprehensively and rapidly detected, comprehensive quality detection and overall quality control are promoted, and therefore the medicine using safety and stability are improved. Meanwhile, the method for building the fingerprint spectrum for the radix paeoniae alba pharmaceutic preparation has the advantages of being high in stability and precision, good in repeatability and the like.

The invention relates to a method for establishing radix-scrophulariae pharmaceutical-preparation fingerprint chromatography. According to the method, radix-scrophulariae formula granules serve as detection objects, the method for the pharmaceutical-preparation fingerprint chromatography is established, full chromatography information is obtained, common characteristic peaks S peaks harpagoside, first peaks harpagoside, second peaks cinnamic acid and third peaks cinnamic acid are determined, the S peaks harpagoside are selected, and the relative retention time of the common characteristic peaks of the radix-scrophulariae formula granules is determined; according to information of the multiple chromatographic peaks in the fingerprint chromatography, the quality of the radix-scrophulariae formula granules can be fully and rapidly detected, full quality detection and total quality control over the radix-scrophulariae formula granules can be achieved, and therefore the safety and the stability of pharmaceutical using can be improved. Meanwhile, the method has the advantages of being high in stability and accuracy, good in repeatability and the like.

The invention provides imaging equipment for a laser printed product quality detection system and the corresponding detection system. The imaging equipment comprises a diffused illumination light source and an image acquisition device, wherein the diffused illumination light source is used for providing diffused light to a detected product; the image acquisition device is used for performing image acquisition on the detected product or a mirror image of the detected product at a predetermined tilt angle. The imaging equipment can be used for better imaging a printed pattern obtained by performing processes of gold blocking, belling and the like on a laser product, so that the corresponding detection system can be used for conveniently detecting the production quality problems of the processes based on an obtained image; the imaging equipment is especially suitable for performing imaging analysis on concave-convex information of the printed product.

The invention relates to a multifunctional wireless data transmission seismic wave exploration instrument, including: a control master station which includes a microcomputer and a first wireless communication module connected with the microcomputer; a plurality of detection substations each of which includes a data acquisition module and a second wireless communication module connected with the data acquisition module, the second wireless communication module of each detection substation being connected with the first wireless communication module through a wireless channel; and a seismic source triggering substation connected with the control master station. The control master station, the plurality of detection substations and the seismic source triggering substation used by the multifunctional wireless data transmission seismic wave exploration instrument are simple in structure and convenient to operate, electronic components that are used have small power and is low in power consumption, and thus no extra storage batteries are needed. The whole seismograph is light in weight and is convenient to carry.

The invention relates to a detection method for a fingerprint spectrum of a medicinal preparation treating hepatitis. In the detection method, through optimization selection of a No.11 peak of baicalin as an internal reference peak of a fingerprint spectrum, retention time of characteristic common peaks: a No.3 peak of chlorogenic acid, a No.4 peak of gentiopicroside, a No.5 peak of paeoniflorin, a No.6 peak of liquiritin, a No.8 peak of ferulic acid and the like of a yindan pinggan capsule is determined, the yindan pinggan capsule can be detected comprehensively and rapidly, which facilitates comprehensive quality detection and whole quality control, and therefore safety and stability of medicine usage is raised.

The invention discloses a cast-in-place concrete hollow five-star shaped pile with large diameter and a construction method and a special device thereof. The side surface of the pile consists of an angular plane of the pile which is formed in intersection and arc-shaped curved surface depressed into the pile and connected with the plane smoothly. The cross section of the pile is hollow five-star shaped. A five-star shaped hollow steel sleeve is infiltrated to the foundation to designed depth by vibrating an immersed tube and then concrete is casted in a cavity of the inner and outer steel sleeves and the tube is drawn by vibration to form the cast-in-place concrete hollow five-star shaped pile with large diameter. The invention further relates to the special device of the construction method of the concrete pile. The cast-in-place concrete hollow five-star shaped pile with large diameter is a thin-wall abnormal pile which is rigid, has high strength, large processing depth, simple process, and strong maneuverability and is convenient to control the quality, monitor, and has high bearing capacity and low cost. The special device has a simple structure and is convenient and flexible to operate.

The invention discloses a preparation method for a sensing type warp knitting dacron geogrid coated with a conductive phase material. The preparation method comprises the following steps: 1) selecting a conductive phase solvent, an additive and the conductive phase material according to a construction condition and market cost and selecting relative obvious proportions in a percolation area as raw materials for preparing the warp knitting dacron geogrid; 2) preparing a conductive fiber coating solution; 3) soaking the warp knitting dacron geogrid into the conductive fiber coating solution, taking out after fully wetting, air-drying and solidifying at normal temperature, and forming a conductive phase coating solution layer, thereby realizing the preparation for the sensing type warp knitting dacron geogrid; 4) calibrating the relation between the geogrid deformation and the resistance change. According to the invention, a conductive coating material formed through fusing carbon black by taking PVC (polyvinyl chloride) as a substrate coats the formed dacron geogrid, the pulling sensitiveness of a conductive layer coats the flat surface of an end product is utilized to reflect the required information, such as deformation, and the phenomena of reduction of rib strength and performance caused by the implanting of an external sensor are avoided.

The invention relates to the field of micro-motor production. A micro-motor production apparatus includes a frame, a casing feeding device, a heating device, an amplitude measuring device, a press-indevice and a detecting device; the casing feeding device is disposed on the frame, and the casing feeding device is used for feeding of the casing; the heating device is connected with the casing feeding device and is used for conveying the casing into the heating device for heating to dry glue; the amplitude measuring device is connected with the heating device and is used for measuring the axialamplitude of rotation of the motor in the casing and conveying the casing to the press-in device, and the press-in device is connected with the amplitude measuring device and is used for pressing anend cover into the casing; and the detecting device is connected with the press-in device and is used for excessive glue detection of the assembled micro motor. The micro-motor production apparatus ishigh in production efficiency and assembling precision of the micro motor.

The invention discloses a quantitative-type grouting device of a sleeve of a PC component and with reinforcement positioning and sealing functions, relates to the technical field of sleeve grouting, and solves the problem of difficult control of grouting amount in the grouting process of an existing sleeve and poor positioning and sealing effects of the sleeve for a reinforcement. The quantitative-type grouting device of the sleeve of the PC component and with reinforcement positioning and sealing functions comprises a sleeve main body, a grouting port is formed in the outer side of the sleevemain body, a slurry outlet is formed above the grouting port, and a grouting pipe mechanism is mounted on the outer side of one end of the slurry outlet and comprises a slurry inlet pipe, a connecting circulating pipe, a blocking rod, a connecting protective sleeve, a connecting pipe, a fixed blocking seat, a regulating plate, a rotary handle and a slurry outlet pipe. According to the quantitative-type grouting device, centering and positioning can be conducted on a connecting reinforcement in the sleeve, quantitative-type grouting operation and slurry sealing can be conducted on the sleeve,the control of grouting amount and accurate positioning of the reinforcement can be achieved, and the connection quality of the sleeve is effectively guaranteed.

The invention relates to a Chinese medicinal composition for treating gastritis, gastric ulcer and duodenal ulcer. The composition comprises the following Chinese medicinal raw materials in part by weight: 110 to 130 parts of cuttlebone, 100 to 120 parts of alum, 50 to 60 parts of rhizoma corydalis, 40 to 50 parts of common bletilla pseudobulb, 10 to 15 parts of liquoric root and starch, talcpowder and magnesium stearate serving as auxiliary materials. The invention also discloses a method for detecting the Chinese medicinal composition, which comprises an identification method and a method for testing the content of an active ingredient. The types of the auxiliary materials are determined, so that the components of the Chinese medicinal composition are determined and identification and content detection are performed conveniently. The identification method of the invention has small disturbance and good separation effects on a test sample, negative control and a reference substance; and the content test method can accurately judge the quantities of active ingredients in the Chinese medicinal composition and control the quantities of the active ingredients by controlling the weights of raw material medicaments, so that quality control level is enhanced.

The invention discloses a method for detecting quality of flanges. The method comprises manual initial detection and picture comparison detection, wherein the manual initial detection is mainly used for detecting substandard products easy to recognize; according to picture comparison detection, taken pictures of the rest flanges are in comparison with the standard picture saved in a system in advance to detect whether the contact ratio of the taken pictures and the standard picture is lower than 95% or not, if the contact ratio of the taken pictures and the standard picture is lower than 95%, the flanges are defective, are inferior-quality products, and need to be processed again, and if the contact ratio of the taken pictures and the standard picture is higher than or equal to 95%, the flanges are qualified products, and can enter the follow-up marketing step. According to the method for detecting quality of the flanges, a manner of combining the manual initial detection and picture taking comparison precise quality detection is adopted to remove the unqualified flanges, so that the outgoing quality of the flanges are ensured, the reputation and economic benefits of a manufacturer are maintained, good application prospects are achieved, and the method is worthy of popularization.

The invention discloses a macrostructure acid etching method and a full-automatic macrostructure acid etching system. The macrostructure acid etching method comprises the following steps: cutting a sample by using a flame cutting machine; conveying the cut sample to an automatic test platform by a forklift for carrying out cooling; hoisting the sample to a milling and grinding machine by an automatic crane for being machined; conveying the machined sample to a full-automatic electrolytic etching machine for being corroded and cleaned; and conveying the sample to a photograph point by a conveyor belt for being automatically photographed, and returning the sample to a shelf. The full-automatic macrostructure acid etching system comprises the flame cutting machine, the forklift, the crane, a pickling machine for carrying out acid-etching, cleaning and drying on a steel sample and a camera device for photographing the steel sample. Through improving the structure, only a milled and ground vertical face is immersed in the pickling machine, the consumption of hydrochloric acid is reduced, the condition that the hydrochloric acid splashes when the whole steel sample is immersed is avoided, and therefore, the full-automatic macrostructure acid etching system is capable of simply, conveniently and safely carrying out quality detection on the steel sample.

The invention discloses a novel high pressure-resistant maintenance-free rotary compensator, which belongs to the technical field of thermodynamic piping compensators. The rotary compensator comprises an inner rotatable pipe (1), an outer sealing sleeve (2), a structural pipe flange (7), a structural pipe (9), flexible graphite packing (10), a U-shaped seal ring (11), an inner rotatable pipe boss (12), a graphite seal ring (14), an outer sealing sleeve base (15) and the like. The outer sealing sleeve (2) is sleeved on the outer circular surface of the inner rotatable pipe (1), and the inner rotatable pipe boss (12) is arranged on the inner rotatable pipe (1); the graphite seal ring (14) is arranged between the inner end surface of the outer sealing sleeve base (15) and the inner rotatable pipe boss (12); the U-shaped opening of the U-shaped seal ring (11) faces the port of the joint between the inner rotatable pipe (1) and the structural pipe (9), and the U-shaped seal ring (11) is embedded into the flexible graphite packing (10); and the structural pipe flange (7) is integrated with the structural pipe (9), which is an integrated straight pipe section. Since the structure is adopted, the quality of the connecting welds of a piping can be conveniently detected, and the rotary compensator is characterized by high precision, low friction coefficient, low torque, high bending resistance, high pressure-bearing capability, reliable sealing, little pressure loss, unlimited medium flow direction, excellent performance, safe and reliable piping operation and sealing material replaceability.

A yarn storage device (1) for a yarn-processing machine including yarn storage spaces (2) and at least one yarn loader (3) which can be moved to a selected yarn storage space (2) in order to connect an end part of the yarn supply (14) to an end part of an external yarn supply, and to add an amount of yarn to said yarn storage space (2) by winding the yarn (100) onto a winding-up body (6) and then removing it from the winding-up body (6) in the wound-up state and to add it to the storage space (2). The present invention also relates to a corresponding method and a yarn-processing machine fitted with such a yarn storage device.

The invention relates to an automatic control method of warehouse sampling, which comprises the following steps: extracting sampling lists for a warehouse, detecting whether has warehouse-out record or not, if the detection result is positive, then, detecting whether sampling volume is bigger than storage rate or not, and if the detection result is negative, then, successfully making a sampling list and automatically submitting a warehouse-out list, getting out of a warehouse, and entering a quality inspection system. Compared with the prior art, the automatic control method of warehouse sampling is reasonable and has high efficiency, which can execute automatic control and information management to the sampling process of a warehouse, reduces the influence of human factors, avoids human errors, confirms the correctness and success of sampling, thereby confirming the quality inspection to smoothly go on.

The invention provides a workpiece detection device, and relates to the technical field of workpiece detection, the workpiece detection device comprises a body, a support plate is installed in the body, a control panel is installed on the outer wall of the body, an open groove is formed in the support plate, and a clamping mechanism is installed on the inner side of the open groove. The workpiecedetection device has the beneficial effects that under the action of the clamping mechanism, an external power supply of the electric push rod is started for pushing, the sliding plate slides on the sliding rod; therefore, the arc-shaped clamping plate connected with the connecting plate connected to the sliding plate clamps the bottom end of the screw rod placed on the supporting plate and the arc-shaped clamping plate connected with the other connecting plate fixedly connected to the support plate. After clamping, the diameter of the screw rod is read through the reading rod corresponding tothe scale marks on the support frame, so that the diameter of the screw rod can be quickly detected and data can be read after the screw rod is produced, and the quality inspection work of the screwrod in the production process is facilitated.

The invention discloses application of a prestressed concrete pipe pile planting technology in a complex foundation. The application comprises the following steps that S1, sweeping is carried out, specifically, the interior of a pile driving area is leveled through a leveling machine, then the leveled land is swept through a sweeping machine, obstacles on the ground and underground are cleared away, and smooth drainage is guaranteed. The application can be applied to soil layers except for karst geological sections. The invention discloses application of the prestressed concrete pipe pile planting technology in the complex foundation, aiming at the characteristic that a prestressed concrete pipe pile is not suitable for hard areas but suitable for soft areas, the construction technology of the prestressed concrete pipe pile which must adopt a pile foundation type in design can be improved by trying to adopt the pile planting method technology, the construction period can be greatly shortened, project investment is saved, pile foundation quality detection is convenient, the civilized construction degree is high, the application is greatly different from a traditional small hole guiding technology, the success rate is high, and the application is worthy of application and popularization.

The invention discloses a construction quality control device for a solidified soil pile and a construction method thereof. Under the control of a frequency conversion control device, a drill pipe anda protective cylinder of a mixing pile machine or a jet-grouting pile machine can adjust lifting speed, mixing or jet-grouting speed and spraying amount of the drill pipe automatically in real time according to different soil layer information, a temperature of the solidified soil and pressure on an inner wall of the protective cylinder; in-situ soil in the protective cylinder is uniformly and completely mixed with a curing agent; and the solidified soil pile is formed in a foundation. Construction parameters are automatically optimized through the frequency conversion control device to ensure the pile forming quality of the solidified soil pile. The mixing uniformity of solidified soil at the upper and lower parts of a pile body can be effectively ensured in a complex formation, the strength and quality of the pile body of the solidified soil pile can be controlled effectively, and the quality inspection is convenient. Resources are used locally and environment-friendly without muck;the construction parameters are monitored throughout a whole process and automatically optimized by frequency conversion; and with strong human-computer interaction, convenience is greatly improved when a construction quality is ensured.

The present invention discloses a 3D printing precision monitoring device based on laser detection. The device comprises a prototyping room and a laser interference monitoring device. A prototyping cylinder and a powder cylinder are respectively fixedly installed at two ends of the bottom portion of the prototyping room; the laser interference monitoring device is arranged above the prototyping cylinder; and the laser interference monitoring device is fixedly installed at the top portion of the prototyping cylinder. The laser interference monitoring device is arranged and interference fringesare additionally arranged at the outer side of a fixed pedestal of a test piece and are distributed in strict accordance with a laser interference law, a coherent light source is formed after a generated laser beam is processed and is irradiated onto the test piece; and moreover, in a printing process, a workpiece is always located under the irradiation of the interference laser, any deviation error can be amplified by an interference phenomenon and then is displayed on the interference fringes, a tiny change is amplified by changing of the interference fringes, and therefore, nano-scale monitoring can be achieved, and the laser monitoring precision in the 3D printing process can be greatly improved.

The invention relates to a method for establishing a fingerprint spectrum of a medicinal preparation of decumbent bugle herb. According to the method, decumbent bugle herb formula granules are taken as a detection object, a fingerprint spectrum aiming at the medicinal preparation is established, a traditional Chinese medicine chromatographic fingerprint spectrum similarity evaluation system is adopted to establish a control fingerprint spectrum, eight common characteristic peaks are calibrated, and harpagide at the first peak and acetyl harpagide at the third peak of the common characteristic peaks are confirmed; acetylharpagide at the third peak is selected as an internal reference peak, and the relative retention time of common characteristic peaks of the ajuga ciliata formula granules is determined; and the similarity between fingerprint of the sample to be detected and the contrast fingerprint is evaluated. According to the method disclosed by the invention, the quality of the medicine can be comprehensively and quickly detected, and comprehensive quality detection and overall quality control of the medicine are facilitated, so that the use safety and stability of the medicine are favorably improved. Meanwhile, the method has the advantages of high stability, high precision, high repeatability and the like.

The invention, which belongs to the technical field of testing equipment, in particular relates to an ultrasonic detecting device and detecting method for an automobile resin tailgate. The detecting device comprises an electric cabinet and a detecting box disposed above the electric cabinet. The detecting box includes a lower box body and an upper cover plate. An ultrasonic detecting unit includesan ultrasonic transmitter and an ultrasonic connecting device. An automobile resin tailgate profiling bracket for supporting and carrying an automobile resin tailgate is arranged in the lower box body; a plurality of profiling support blocks for assisted supporting of the automobile resin tailgate are arranged in the lower box body. Besides, a positioning mechanism for positioning of the automobile resin tailgate is also arranged in the detecting box. According to the invention, on the basis of the ultrasonic detection principle, quality detection of the connection on the automobile resin tailgate and part connection sealing of the automobile resin tailgate is realized; problems of time and effort wasting for post-stage cleaning caused by water detection and low visibility of air pressuredetection are solved; the quality detection of the automobile resin tailgate becomes convenient; and the detection efficiency and accuracy are improved.

The invention discloses a production method of an antenna assembly and an antenna assembly. The production method is characterized in that a plurality of grooves are disposed in a surface of a base material, and the surface of the base material is provided with a metal antenna coating, which is used to cover the grooves to form a plurality of tin accommodation grooves; the tin pastes can be disposed in the tin accommodation grooves in a filled manner; a metal elastic sheet is disposed on the metal antenna coating in an adhesive manner by a conductive double-sided adhesive tape; the conductive double-sided adhesive tape is provided with a plurality of first through holes corresponding to the tin accommodation grooves, and the metal elastic sheet is provided with a plurality of second through holes corresponding to the first through holes; the first through holes and the second through holes are aligned with each other in a penetrating manner, and are aligned with the tin accommodation grooves; the single-point heating of the tin pastes in the tin accommodation grooves can be carried out to melt the tin pastes, and then the metal elastic sheet can be conducted with the metal antenna coating to complete the production. The production method is advantageous in that the antenna assembly can be produced in a way of combining the adhesive connection using the conductive double-sided adhesive tape with the single-point welding, and therefore the overflowing of the soldering paste and the flux can be prevented, the consistency of the elastic sheet assembly height can be improved, the good conduction between the antenna coating and the elastic sheet can be realized, and the quality of the tin pastes can be observed directly.

The invention discloses a production line product quality detection and sorting system. According to the system, an intermittent driving mechanism is arranged on one side of a conveying mechanism of afirst conveying belt, the intermittent driving mechanism drives the conveying mechanism to move intermittently, so that the first conveying belt moves intermittently, and the products on the first conveying belt are intermittently conveyed to a third supporting table in a detection chamber, so that quality detection on the input product through the detection chamber is facilitated; and a conveying frame is arranged, a first movable plate and a second movable plate are arranged on the conveying frame, the first movable plate and the second movable plate move to the output end of the detectionchamber, so that the product detected in the detection chamber is pushed to the first movable plate or the second movable plate, and then the first movable plate and the second movable plate drive theproduct to move to the input ends of a second conveyor belt and a third conveyor belt, so that qualified and unqualified products can be separated.

The invention relates to the field of agricultural machinery, in particular to an agricultural product material transmission mechanism. The material transmission mechanism comprises a plurality of material treatment units which are arranged in sequence on a transfer chain, wherein the material treatment units comprise a supporting clamp seat, a rotating wheel frame, a rotating wheel, a supporting component, a first supporting guide rail, a second supporting guide rail and a weighing guide rail assembly; the lower portion of the rotating wheel frame is hinged to the supporting clamp seat in a floating manner; a rolling shaft of the rotating wheel is inserted into long slotted holes in the two side walls of the rotating wheel frame; the lower side of the rotating wheel is lifted by the second supporting guide rail; the rotating wheel is used for lifting agricultural product materials during lifting; a flange on the side edge of the rotating wheel frame is supported by the weighing guide rail assembly, and can be used for weighing transmitted materials; at a blanking position, the rotating wheel frame is jacked through an overturning driving assembly in order to overturn the rotating wheel frame. By adopting the agricultural product material transmission mechanism, integration of material transmission, overturning, rapid weighing and blanking is realized, and mechanical and collision damages to fruits are prevented.

The invention belongs to the field of medicine analysis, and particularly provides a paeonia lactiflora and liquorice decoction fingerprint spectrum and a construction method thereof and a quality detection method of paeonia lactiflora and liquorice decoction. In the construction method of the paeonia lactiflora and liquorice decoction fingerprint spectrum, acetonitrile is used as a mobile phase A, 0.05%-0.3% of phosphoric acid solution is used as a mobile phase B, and under the elution condition, the elution time is 30-60 min; the method has the advantages that the defect that the quality of relevant dosage forms of the Chinese herbaceous peony and liquorice decoction cannot be comprehensively and clearly detected due to interference caused by complex chemical components is overcome, 15 common characteristic peaks are obtained, effective separation of the 15 common characteristic peaks is realized, the peak shape is good and interference is avoided, so that relatively comprehensive and clear spectrum information is realized, and the detection accuracy is improved. Effective quality detection is carried out on the paeonia lactiflora and liquorice decoction, control over the quality of the paeonia lactiflora and liquorice decoction is further achieved, and the quality detection method has the advantages of being high in stability, high in precision, good in repeatability and the like.

The invention provides a production method of an organic liquid fertilizer. The production method comprises the following steps: uniformly stirring 100-150 parts of excrement, 50-80 parts of straw, 30-50 parts of aquatic plants, 100-200 parts of biogas slurry and 0.5-2 parts of a microbial agent, performing composting fermentation for 20-30 days at room temperature so as to obtain a fermentation material, performing stirring extraction by using a sodium carbonate aqueous solution at 80-90 DEG C, performing filtering, performing evaporation concentration on the obtained filtrate till the density is 1.1-1.3 so as to obtain an extract, adding 0.1-0.2 part of a trace element, 5-10 parts of natural active organic matter, 1-5 parts of a natural surfactant and 0.5-2 parts of a soil improver, anduniformly mixing the components at the temperature of 45-60 DEG C, so as to obtain the organic liquid fertilizer. The fertilizer prepared by using the method has a good use effect and is an efficientenvironment-friendly organic liquid fertilizer.