610 results about "Thin layer" patented technology

The invention belongs to the field of medical instrument coloring agents, and provides a natural anthocyanin endoscope coloring agent. According to the invention, the innovative design of combining a ternary color-stabilizing compound formed by anthocyanin, a co-chromophore and hydroxypropyl beta cyclodextrin with a chitosan sodium alginate polysaccharide system and a composite buffer system is adopted, and the viscosity is controlled to be 200-320 millisecond, the particle size of spray droplets is 40-60 microns, and the thickness of a thin film is 10-30 microns through specific molar ratio compatibility and a genipin crosslinking technology. Through accurate regulation and control, the excellent performance that a double-network thin layer is formed under the calcium ion environment that the absorbance retention rate at 520 nanometers is not lower than 90% and the elution rate is not lower than 90% under the irradiation of hundred thousand lux white light is achieved, the technical problems that a traditional endoscope coloring agent is poor in safety, low in stability and insufficient in mucous membrane contrast ratio are solved, and the wide clinical application value is achieved.

The invention discloses a separated interface photo-thermal catalytic hydrogen production reactor which comprises a liquid storage container, a conveying conduit and a reactor. The liquid storage container is used for accommodating a reaction solution; one end of the conveying conduit is arranged below the liquid level of the reaction solution; the reactor comprises a shell and a porous material arranged in the shell, a thin-layer space is formed by the porous material and the inner wall of the shell, and the thin-layer space is filled with a reaction solution conveyed by the conveying guide pipe to form a thin liquid film; capillary force provided by the porous material is used for sucking the reaction solution in the thin-layer space to the surface of the porous material to carry out photo-thermal catalytic hydrogen production reaction, and the reaction solution in the liquid storage container is supplemented into the thin-layer space through the conveying guide pipe. The reactor separates and decouples a light source and a water source, and is better in space adaptability. The reaction solution is separated from the bulk phase solution, the reaction interface temperature is higher, and the controllability is better. And the photo-thermal catalytic reaction area is not limited by the free liquid surface area of the solution and can be freely expanded.

The invention discloses a simple test method for saturated light-emitting light density of low-basis-weight thermo-sensitive paper, and relates to the technical field of thermo-sensitive material detection.The simple test method comprises the steps that an undeveloped surface image of to-be-tested low-basis-weight thermo-sensitive paper is obtained, and the undeveloped surface image and initial heating parameters are input into a pre-trained generative adversarial network model; generating a predicted color developing light density distribution image corresponding to the saturated color developing state and associated initial heating parameters; and carrying out weighted normalization processing on the optical density distribution data based on thin-layer structure characteristics, and outputting a global saturated optical density value and a color rendering uniformity evaluation result. According to the method, the generative adversarial network and the multispectral imaging technology are combined, so that the optical density distribution in the saturated color development state is directly predicted from the undeveloped surface image, and the test efficiency and the measurement precision are remarkably improved.

The invention provides a heterocyclic compound and an organic electroluminescent device thereof, and belongs to the technical field of organic electroluminescence. The heterocyclic compound provided by the invention has relatively weak metal adsorption capacity, can effectively inhibit metal from being deposited on the surface of a thin layer when being used as a nucleation inhibition layer material to be applied to the organic electroluminescent device, and can effectively improve the light emitting effect of the organic electroluminescent device when being used as a covering layer material, so that the light emitting efficiency of the organic electroluminescent device is improved. And the service life of the device is further prolonged. The heterocyclic compound and the organic electroluminescent device thereof have good application effect and industrialization prospect.

The invention discloses high-strength stainless steel for a wheel hub cover and a machining process of the high-strength stainless steel, and relates to the technical field of stainless steel machining. The specific processing technology comprises the following steps: weighing a stainless steel raw material, smelting under nitrogen pressurization, carrying out protective pouring to obtain a cast ingot, carrying out hot forging and hot rolling to obtain a hot-rolled plate, carrying out solution treatment and water quenching, sequentially carrying out multi-pass cold rolling and single-pass liquid nitrogen heat preservation cold rolling, annealing and aging treatment to obtain a stainless steel base material, and sequentially carrying out grinding, polishing, oil removal and acid activation to obtain the stainless steel plate. And then placing in an electroplating solution for electro-deposition of an alloy plating layer, cleaning after electro-deposition is finished, then carrying out laser cladding, finally carrying out heat treatment, and cutting a thin layer to obtain the high-strength stainless steel. Wherein cladding powder adopted for laser cladding comprises cobalt powder, chromium powder, nickel powder, aluminum powder, molybdenum powder, titanium powder, zirconium powder, nano carbon-nitrogen metal and tungsten carbide.

The invention belongs to the technical field of metal surface treatment, and discloses a high-uniformity metal surface silver plating process and a corrosion-resistant treatment method thereof.The high-uniformity metal surface silver plating process comprises the following steps that firstly, pretreatment is conducted; step 2, activating treatment; step 3, pre-plating a bottom layer; step 4, electrosilvering; step 5, post-processing; according to the method, pre-plating of the bottom layer and electroplating of silver are combined, a layer of thin nickel or copper is pre-plated firstly, and then electroplating of silver is performed, so that the binding force and uniformity of the silver plating layer are effectively improved, and in the electroplating process, the mode of stirring and circulating the electroplating liquid is adopted, so that silver ions in the electroplating liquid are uniformly distributed, and the uniformity of the plating layer is improved; and a thin aluminum oxide protective film is deposited on the surface of the silver plating layer by adopting a chemical vapor deposition technology, so that the corrosion resistance of the silver plating layer is further improved.

The invention discloses an electromagnetic signal superconducting observation system based on micro-shielding and thermal management and a design method, and the system comprises a high-temperature sensor unit which comprises a pressure-resistant constant-temperature container, a specially-made non-magnetic glass Dewar flask disposed in the pressure-resistant constant-temperature container, and a built-in three-axis high-temperature superconducting sensor. The pressure-resistant constant-temperature container comprises a base body made of carbon fiber reinforced plastics, and a low-frequency frequency-selecting shielding layer, an insulating thin layer, an absorbing layer and a high-frequency shielding layer are sequentially arranged outside the base body. According to the invention, the interference of high-frequency noise in a complex environment and the thermal noise of the three-axis high-temperature superconducting sensor can be significantly reduced. According to the system provided by the invention, the low-noise electromagnetic signal detection of the high-temperature superconducting sensor can be realized in a complex environment, the application range of electromagnetic method technology resource exploration can be widened, and the detection precision can be improved.

The invention provides a heterocyclic derivative and an organic electroluminescent device thereof, and belongs to the technical field of organic electroluminescence. The heterocyclic derivative provided by the invention has relatively weak metal adsorption capacity, when the heterocyclic derivative is used as a nucleation inhibition layer material to be applied to the organic electroluminescent device, deposition of metal on the surface of a thin layer can be effectively inhibited, and meanwhile, the heterocyclic derivative is used as a covering layer material to improve the optical coupling efficiency of the organic electroluminescent device, so that the organic electroluminescent device can be applied to the field of organic electroluminescent devices. And the luminous efficiency of the device is effectively improved. The heterocyclic derivative and the organic electroluminescent device thereof have good application effect and industrialization prospect.

Provided herein are methods of depositing molybdenum (Mo) films. The methods involve depositing a thin layer of a molybdenum (Mo)-containing film such a molybdenum oxide, a molybdenum nitride, or a molybdenum oxynitride. The Mo-containing film is then converted to an elemental Mo film. A bulk Mo film may then be deposited on the elemental Mo film. In some embodiments, the process is performed at relatively low temperatures.

The invention relates to the field of material processing, in particular to a continuous winding graphene metal composite wire roll-extrusion forming method and equipment, and the equipment comprises a base material conveying module, a base material pretreatment and winding integrated module, a covering material conveying and pretreatment integrated module, a heat treatment module, a roll-extrusion forming module and a material pulling module. The six modules are connected and combined together through the discharging ports and the feeding hopper, after metal wires are pretreated, the metal wires are extruded and rotated while being driven to advance, the metal wires are wound with the covering material, multi-dimensional and multi-size covering can be carried out on the metal wires, and the covering efficiency is improved. Pretreatment and roll extrusion forming of a base material and a covering material can be continuously carried out in one procedure, the consumption of graphene is reduced, the coated graphene is separated into a thin layer or even a single layer under the action of shear force in the rotary extrusion friction process, the conductivity and mechanical performance of the composite wire are greatly enhanced, and the service life of the composite wire is prolonged. And finally, the graphene metal composite wires and bars with excellent performance and uniform and fine crystal grains are prepared, the coating success rate is increased, meanwhile, the production efficiency is improved, and the method is high in flexibility and easy to repair and maintain.

The invention belongs to the technical field of optical beam splitting elements, and particularly relates to a beam splitter prism depolarization film, a preparation method thereof, a beam splitter prism and a preparation method thereof. The beam splitter prism depolarization film provided by the invention comprises a first SiO2 film layer, a first Ta2O5 film layer, a first Al2O3 film layer, a metal silver layer, a second Al2O3 film layer, a second Ta2O5 film layer and a second SiO2 film layer which are sequentially laminated, wherein the first SiO2 film layer is in contact with the surface of a substrate. According to the beam splitter prism depolarization film provided by the invention, the number of film layers is obviously reduced, the total film thickness is obviously reduced, the film layer thickness is greatly optimized, the film material consumption cost and the equipment energy consumption are reduced, and the processing efficiency is greatly improved; meanwhile, the risks of film layer breakage and electroplated layer falling are reduced; the film layer contains less thin layers, the equipment monitoring is more accurate, the actual effect is closer to the design, the achievable specification is more strict, and the practical value is excellent.

A display apparatus includes: a substrate including a display area and a peripheral area around the display area, the substrate having a bent portion; a plurality of display elements in the display area; and a thin film encapsulation layer over the plurality of display elements and including a first encapsulation layer, a second encapsulation layer over the first encapsulation layer, and an organic encapsulation layer between the first encapsulation layer and the second encapsulation layer, wherein the second encapsulation layer includes a plurality of inorganic thin layers and a plurality of organic thin layers alternately arranged, and a thickness of the second encapsulation layer is equal to or less than a thickness of the first encapsulation layer.

The invention provides a method for preparing a beta-Ga2O3 heteroepitaxial thin film with high crystal quality on a sapphire substrate, which comprises the following steps of: selecting a sapphire single crystal wafer as a substrate, cleaning the sapphire single crystal wafer, and putting the cleaned sapphire single crystal wafer into metal organic chemical vapor deposition equipment; with trimethyl gallium or triethyl gallium as a gallium source and oxygen as an oxygen source, growing a beta-Ga2O3 thin layer with the thickness of less than 10 nm; hydrogen is introduced, and the defect bond of the beta-Ga2O3 thin film is etched; the temperature of the substrate is increased to 1000 DEG C or above, oxygen is introduced, annealing is carried out, the defects are further bridged, and oxygen vacancies are reduced; and reducing the temperature of the substrate to the growth temperature, repeating the steps 2-4, and gradually accumulating the thickness to reach an expected value. According to the method, layer-by-layer growth and in-situ defect repair are combined, and the ultra-wide forbidden band beta-Ga2O3 heteroepitaxial crystal film with extremely low defect density and ultra-high quality is successfully prepared.

Provided herein are methods of depositing molybdenum (Mo) films. The methods involve depositing a thin layer of a molybdenum (Mo)-containing film such a molybdenum oxide, a molybdenum nitride, or a molybdenum oxynitride. The Mo-containing film is then converted to an elemental Mo film. A bulk Mo film may then be deposited on the elemental Mo film. In some embodiments, the process is performed at relatively low temperatures.

The utility model belongs to the technical field of resistivity test, and discloses a resistivity test probe head. The resistivity test probe head comprises a probe assembly and four conductive probes, the probe assembly comprises a probe and an elastic assembly, the probe is provided with an accommodating cavity and four penetrating holes, and the penetrating holes are communicated with the accommodating cavity; the elastic assembly is arranged in the containing cavity, and one end of the elastic assembly is connected to the inner wall of the containing cavity. The four conductive probes correspondingly pass through the four through holes and are connected with the other end of the elastic assembly. The bottom end passing surface of the conductive probe is in contact with the outer surface of the thin layer to be tested, so that the contact area of the conductive probe and the thin layer to be tested is increased, the pressure intensity is reduced, and test data errors caused by the fact that the probe pierces into a bottom layer material are avoided. The elastic assembly can enable the bottom end of the conductive probe to abut against the interior of the surface layer of the thin layer to be tested, the bottom end of the conductive probe is a horizontal plane or a curved surface, the abutting area of the conductive probe and the thin layer to be tested can be increased, stable contact of testing is guaranteed, and repeatability of testing data becomes good.

The invention discloses a wafer precision grinding method based on laser subsurface modification softening, and belongs to the technical field of semiconductor manufacturing. The method is used for carrying out final damage layer removal and surface finish machining on the hard and brittle wafers (such as silicon carbide and diamond) subjected to preliminary mechanical polishing. The method comprises the following steps: (1) detecting the depth of a damaged layer on the subsurface of a wafer; (2) focusing ultrafast laser on the subsurface of the wafer, scanning to form a continuous and compact softened modified layer, controlling the modified layer to extend upwards in the vertical direction, so that the modified layer covers most of the volume of the material to be removed, and only retaining a micron or submicron original hard thin layer on the top layer of the wafer; (3) carrying out nondestructive testing on the modified layer; and (4) an ultra-precision grinding process (such as CMP or PAP) is adopted, the supporting weakening effect of the modified layer on the top hard thin layer and the characteristic that the modified layer is easy to remove are utilized, and all the to-be-machined allowances are rapidly removed at a time. According to the method, on the premise that the high-quality surface is not damaged, the finish machining efficiency of the superhard material is remarkably improved through the mechanism of internal softening and top layer collapse removal.

The invention provides a method for improving the strength and hydrogen brittleness resistance of an austenitic stainless steel material, which comprises the following steps: under the protection of argon, depositing thin austenitic stainless steel powder by using a powder spreading device to form an austenitic stainless steel powder thin layer, and simultaneously continuously applying ultrasonic waves to the austenitic stainless steel powder thin layer; a laser beam is incident in a scanning mode to melt the austenitic stainless steel powder thin layer, so that the melted austenitic stainless steel powder thin layer is bonded with the part in the solidified area; then, the thickness of one austenitic stainless steel powder thin layer is reduced for the part, and deposition and laser beam melting of the next austenitic stainless steel powder thin layer are carried out; and by repeating the steps, the sample is constructed layer by layer until the 3D printing sample with the preset shape is obtained. Additive manufacturing is carried out by adopting selective laser melting and applying ultrasonic waves at the same time, and the problem that under the hydrogen pre-charging condition, the higher the strength is, the poorer the hydrogen embrittlement resistance is existing in traditional machined structure state austenitic stainless steel is solved.

The application relates to the technical field of metal organic thin layer material preparation, in particular to a kilogram-level preparation method of metal organic thin layer material. The preparation method comprises the following steps: S1, adding zirconium tetrachloride and H2BPYDC into a polytetrafluoroethylene reaction kettle, dissolving the zirconium tetrachloride and the H2BPYDC, and then adding a composite; S2, sequentially adding a DMF solution of palladium fluoroacetate, a catalyst and concentrated hydrochloric acid into the reaction kettle; S3, transferring the reaction kettle into an oven, centrifuging to obtain a cyan suspension after 18-20 hours, dispersing the cyan suspension in a DMF solution in batches at 60 DEG C, placing for 5-6 hours, removing unreacted substrates, and obtaining a solid; S4, cleaning the solid obtained in S3 by using DMF and tetrahydrofuran respectively, and vacuum drying for 12 hours to obtain the metal organic thin layer material. The kilogram-level preparation method of metal organic thin layer material is provided, so as to solve the problems of low preparation yield, slow rate and difficulty in kilogram-level preparation of metal organic thin layer material in the related art.

The invention provides a method for enabling an optical fiber module interface radiator to be closely attached to an indium heat-conducting sheet. The method comprises the steps that the surface of a nickel-plated layer of the interface radiator is polished to form a rough surface; preliminarily forming an indium heat-conducting sheet on the rough surface; then the workpiece is placed on a jig platform, and a mirror surface roller is arranged on the jig platform; providing a PET (Polyethylene Terephthalate) sheet which is positioned between the surface of the indium heat-conducting sheet and the mirror roller; the method comprises the following steps: pressing an indium heat-conducting sheet into a roller under the roller pressure of 40-110kgf, riveting the bottom of the indium heat-conducting sheet into a rough surface which is tightly combined with the interface radiator, so that a gap and air do not exist on the combined surface, and the top surface of the indium heat-conducting sheet is a flat smooth surface, is attached to the surface of the interface radiator and is tightly combined and molded into an indium heat-conducting thin layer; the surface of the indium heat conduction thin layer is coated with an anti-oxidation coating with the thickness of 1-5 microns; therefore, the indium heat-conducting material can be tightly adhered to the surface of the interface radiator without an adhesive, the interface radiator has excellent drawing resistance and friction resistance, and the influence of thermal resistance caused by air and the adhesive is reduced.

The design of a stainless-steel cylindrical tool for manual grinding and polishing of cement-based thin sample (two cylinders one withing the other, connected by the movable threaded holder with a plate, that passes through the middle) enables very precise removal of sample layers to its thickness of 1-mm ( 1 / 32 inch) and less. The squared, young aged sample rests on the circular plate on a holder, that can be slowly and safely rotated during thin layer removal, to obtain a smooth and flat sample surface, which can produce sharp digital images in ESEM, necessary for detailed and accurate image analysis. The cylindrical tool can be reassembled. It is reusable, easy to maintain and clean. Its design is practical since inner cylinder can be replaced if damaged, with the identically designed inner cylinder or with differently designed inner cylinder adjusted to another sample size.

The invention discloses a method for simultaneous thin-layer identification of ginseng and glossy privet fruit in cordyceps sinensis capsules, and belongs to the field of health food quality control. Aiming at the defects of separate detection, tedious process and low efficiency in the prior art, the method comprises the following steps: preparing a test solution through water ultrasonic extraction, water saturated n-butyl alcohol extraction and washing with a 5-8% ammonia water solution, matching with a ginseng / glossy privet fruit reference medicinal material and a mixed reference solution, and adopting a trichloromethane-methanol-underwater layer solution as a developing solvent. Synchronous identification of two components is realized through double processes of iodine fumigation sunlight inspection and sulfuric acid ethanol spray ultraviolet 365nm inspection. The method is good in separation degree, clear in spots, excellent in specificity and durability, efficient in operation and low in reagent toxicity, the detection cost is greatly reduced, reliable support is provided for cordyceps sinensis capsule quality control, and a technical normal form is provided for synchronous thin-layer identification of multiple traditional Chinese medicinal materials.

The application discloses a kind of gardenia and its processed product identification method, comprising: step one, respectively take equal amount of gardenia sample powder, gardenia processed product sample powder;Step two, the above-mentioned powder is respectively soaked with ethanol solution, then ultrasonic extraction is carried out, filtration, filter liquor is evaporated to dryness, obtain gardenia sample crude extract, gardenia processed product sample crude extract;Step three, the above-mentioned crude extract is respectively dissolved with water, then sequentially extracted with petroleum ether, ethyl acetate twice, and the two extraction liquids are combined and evaporated to dryness, obtain extract, the extract is dissolved with methanol, obtain gardenia sample test solution, gardenia processed product sample test solution;Step four, the above-mentioned test solution is respectively spotted on the same silica gel thin layer plate, with developing agent development, dry, with color developing agent color development, and under ultraviolet lamp, view thin layer chromatogram, according to the number, position, color of fluorescence spot on thin layer chromatogram, identify sample variety.

An apparatus performs three-dimensional shaping by irradiating metal powder with laser to fuse the powder and solidifying the fused powder to form a thin layer, which are repeatedly perfumed, and stacking the formed thin layers. The apparatus cuts the formed thin layers every time a predetermined number of layers have been formed based on cutting data, thereby improving the shaping accuracy of a shaped object. The cutting data defines a shape to be cut, which may a shape S3 obtained by reflecting a displacement d1 between a target shape S1 and a shape S2 including a deformation predicted by a simulation, onto the target shape S1, or a shape S5 obtained by reflecting a displacement d2 between the target shape S1 and a shape including a further predicted deformation, onto the shape S3.

A paper cup having an aluminum lining layer, including a side part and a bottom part, wherein the side part includes an inner aluminum thin layer and a paper material layer and the bottom part includes an inner aluminum thin layer and a paper material layer. Adhesives are placed partially or in whole to joints between the side part and the bottom part including a first joint part between the inner aluminum thin layer of the side part and the inner aluminum thin layer of the bottom part, and a second joint part between the inner aluminum thin layer of the side part and an outer part of the bottom part, and a third joint part between the inner aluminum thin layer of the side part and the beneath part of the surrounding supporter of the bottom part, to join the side part and the bottom part.

The invention relates to the technical field of spraying control, in particular to a spraying control method and system for a radiation refrigeration coating based on feedback adjustment, balance of efficiency and precision is achieved through two times of spraying, the first time of spraying is thin, and paint is easier to level and not prone to sagging due to gravity. And the sagging risk is further reduced through thin layer supplementary coating for the second time. And the thin coating is more beneficial to solvent volatilization and bubble escape. The substrate formed after the first coating is cured is also beneficial to better adhesion and leveling of the second coating, and interface defects are reduced. After the first time of spraying, the surface features are scanned, the control parameters of the second time of spraying are formulated by utilizing the surface features, and the uneven position is repaired by controlling the speed and the pressure, so that the finally obtained paint surface has high planarity and uniformity while the thickness is ensured. For the rare earth radiation refrigeration coating, the spraying control method disclosed by the invention can exert the refrigeration effect of the rare earth radiation refrigeration coating to a greater extent.

The present invention discloses a photolithography apparatus and method for forming a three-dimensional structure inside a photosensitive material configured to activate photochemical reactions according to a predetermined pattern in a layer inside the photosensitive material. A stage holds the volume of photosensitive material. A light source system produces an excitation beam of a first wavelength and a depletion beam of a second wavelength. A light modulation system forms one or more modulated images using the excitation beam and the depletion beam. An optical system focuses the one or more modulated images in a focal plane positioned inside the three-dimensional volume of photosensitive material. The focused one or more modulated images generate the predetermined pattern comprising one or more excitation regions and one or more depletion regions in the focal plane, selectively activating a photochemical reaction localized to a thin layer of the photosensitive material in the vicinity the focal plane.

The invention relates to the technical field of an electrode composed of an active material or comprising the active material, in particular to a preparation method and application of an MXene / Sn composite material. The invention provides a preparation method of an MXene / Sn composite material, which comprises the following steps of: S101, preparing porous tin: in an inert gas or vacuum environment, atomizing molten tin alloy gas to obtain solid powder particles, and etching by using acid or alkali to obtain the porous tin; s102, porous tin surface treatment: carrying out surface oxidation treatment on the porous tin obtained in the step S101 to form tin dioxide sites or thin layers on the surface of the porous tin; s201, MXene is prepared and obtained; s202, surface modification of MXene: MXene obtained in S201 is treated with hydrogen peroxide, and then carboxyl or amino is introduced; and S3, porous tin and MXene are compounded, the dispersion liquid of the porous tin obtained through treatment in the step 102 is mixed with the dispersion liquid of the MXene subjected to surface modification in the step 202, and compounding is completed through electrostatic attraction. The self-agglomeration phenomenon in the charging and discharging process can be inhibited, and the high energy density is achieved.

The invention relates to a method for manufacturing a donor wafer comprising the following steps: a) supplying a donor substrate made of a single-crystal material, said donor substrate having been recycled at least once, after a transfer of a thin layer of said donor substrate onto a receiving substrate so as to form a composite structure, said composite structure comprising a surface layer formed in whole or in part by the thin layer and disposed on the receiving substrate, b) checking the quality of the composite structure by inspecting a free surface of the surface layer to detect defects present on and / or in the surface layer, said defects then being classified into a first category, considered non-critical, or into a second category, considered critical.c) the selection of the donor substrate if the density of defects classified in the second category during step b) is less than a predetermined density, d) the assembly of the donor substrate selected in step c) onto a support substrate, by bonding, to form the donor wafer. The invention also relates to a donor wafer comprising a single-crystal silicon carbide donor substrate, having a thickness between 100 μm and 300 μm, disposed on a support substrate, and characterized in that a free face of the donor substrate has fewer than 0.5 micro-hole or inclusion defects / cm². Figure to be published with the abstract: No figure.

The present invention discloses a thin layer chromatography identification method for simultaneously identifying multiple components in a refined flat peach pill preparation and its application, which belongs to the technical field of quality control of traditional Chinese medicine. The thin layer chromatography identification method of the present invention is divided into two parts. The first part adopts methanol ultrasonic extraction and is developed by toluene-ethyl acetate-formic acid-methanol system, which can simultaneously identify the alpinia oxyphylla, wolfberry and fenxinmu in the refined flat peach pill; the second part is based on the methanol ultrasonic extraction, and hydrochloric acid is added to heat and reflux extraction, shaken and evaporated, and then ethanol is redissolved and developed by petroleum ether-ethyl acetate system, which can identify the ophiopogon in the refined flat peach pill. That is, only two sample preparation methods are required, and one thin layer plate can simply, quickly and effectively identify the four medicinal materials in the refined flat peach pill, and the color spots are clear, without tailing, without cross-linking and good specificity.

The present application provides a kind of Echinops formula granule quality detection method, including the thin layer identification of Echinops formula granule, characteristic map construction and β-ecdysterone content determination, the content standard of formula granule is limited to every 1g contains β-ecdysterone 3.5~14.4mg, thin layer identification is identified using thin layer chromatography, characteristic map construction and β-ecdysterone content determination are all using liquid chromatography method.The quality detection method of Echinops formula granule of the present application, by the detection of thin layer identification, characteristic map construction and β-ecdysterone content determination to assess the quality of Echinops formula granule, can comprehensively reflect the inherent quality of formula granule and better control the quality of Echinops formula granule.