72results about How to "Simple preparation conditions" patented technology

The invention belongs to the field of photodynamic therapy, and particularly discloses a vitamin K eutectic material for photodynamic therapy and a preparation method of the vitamin K eutectic material. The vitamin K eutectic material takes vitamin K as an electron acceptor, two para-position carbonyl groups on a quinonoid six-membered ring of the vitamin K enable the vitamin K to show an electron-deficient property, and the vitamin K and the electron acceptor form an organic charge transfer compound and are self-assembled to form eutectic, so that the absorption spectrum of a system is widened, light with a wider wave band is more effectively utilized, and the utilization rate of the light is improved. The photodynamic therapy response wavelength of the vitamin K is adjusted from an ultraviolet region to a visible region and a near-infrared region, so that the problem of light damage caused by low penetration depth due to photodynamic therapy by using light in the ultraviolet region is avoided, and the vitamin K has excellent photodynamic performance and can be applied to the field of photodynamic therapy. The method has a good application prospect in surface sterilization and disinfection based on visible light or near-infrared light illumination, body surface infection treatment and directional cancer treatment.

The invention discloses a preparation method and application of a polyhexamethylene biguanide hydrochloride / magnolol co-assembled anti-ultraviolet nano preparation. The preparation method of the polyhexamethylene biguanide hydrochloride / magnolol co-assembled anti-ultraviolet nano pesticide preparation comprises the following steps: dissolving polyhexamethylene biguanide hydrochloride in deionized water to obtain a polyhexamethylene biguanide hydrochloride solution, dissolving magnolol in an alkaline aqueous solution to obtain a magnolol solution, and adding the magnolol solution into the polyhexamethylene biguanide hydrochloride solution to obtain the polyhexamethylene biguanide hydrochloride / magnolol co-assembled anti-ultraviolet nano pesticide preparation. The preparation method comprises the following steps: slowly dropwise adding a magnolol solution into a polyhexamethylene biguanide hydrochloride solution, stirring in a dark place at a certain temperature, centrifuging, discarding supernate, freeze-drying and precipitating to obtain powder, and dissolving the powder into deionized water to obtain the polyhexamethylene biguanide hydrochloride / magnolol co-assembled anti-ultraviolet nano pesticide preparation. The nano preparation is prepared by a co-assembly method in water, and has better ultraviolet resistance. Compared with an existing method, the preparation method is simple in condition, convenient to operate and low in cost.

The invention discloses a nickel-vanadium oxide catalyst, a preparation method thereof and a method for preparing propylene by catalyzing oxidative dehydrogenation of propane. The invention aims to provide the preparation method of the nickel-vanadium oxide catalyst, and the nickel-vanadium oxide catalyst has relatively high selectivity for catalyzing oxidative dehydrogenation of propane to prepare propylene under a low-temperature condition. The technical scheme is as follows: (1) preparing a vanadium trichloride aqueous solution; (2) adding nickel chloride hexahydrate and urea into the vanadium trichloride aqueous solution, and stirring for 1 hour at normal temperature; (3) putting the obtained solution into a reaction kettle for hydrothermal reaction; (4) centrifuging, washing with deionized water, and drying in vacuum to obtain a solid product; and (5) calcining the solid product at 600 DEG C for 4 hours to obtain a finished product. Belongs to the technical field of thermocatalytic materials and environmental protection.

The invention provides a supported metal atom catalyst as well as a preparation method and application thereof. The preparation method comprises the following steps: preparing nitrogen-doped nano-porous graphene; a first metal monatomic catalyst is prepared using underpotential deposition and galvanic replacement. Pyridine nitrogen defect sites on the surface of nitrogen-doped nano-porous graphene are used as sites for underpotential deposition of metal monatomic, and the metal monatomic catalyst is obtained through first-step underpotential deposition. Furthermore, a first metal and second metal double-atom catalyst can be prepared by adopting underpotential deposition and electric replacement, namely, the metal monatomic in the first step can be used as a site of underpotential deposition in the second step to further prepare the metal monatomic, and a metal double-atom structure is formed. The strong interaction between metal and a carrier and the difference of electronic structures between metal and metal are utilized to regulate and control the electronic structures of metal atoms with catalytic activity, so that the metal atoms show different catalytic activities in different electrolytes.

The invention discloses self-activated red-light controllable fluorescent powder and a preparation method thereof, and relates to the technical field of luminescent material preparation, the self-activated red-light controllable fluorescent powder has a chemical formula of Zn2-xMgxT iO4, 0 < = x < = 2, the self-activated red-light controllable fluorescent powder has high physical and chemical stability, and can be used for preparing luminescent materials. Red light with different intensities can be emitted by adjusting the excitation wavelength, the intensity and wavelength of red light emission can be controlled by adjusting the component proportion (especially the content of magnesium), red light with different wavelengths can be output, and the luminescence characteristic of the fluorescent powder can also be changed by adjusting the calcination temperature in the preparation process. According to the self-activated red light controllable fluorescent powder prepared by the preparation method, the red light of the emission spectrum of the fluorescent powder can be regulated and controlled by regulating and controlling the molar ratio of zinc ions to magnesium ions and the temperature, and moreover, the raw materials adopted by the preparation method are low in price, simple in preparation condition and free of pollution.

The invention discloses a preparation method and application of a high-temperature-resistant and high-pressure-resistant water environment composite coating. According to the method, SiO2 serves as a pretreatment layer (providing binding force between a coating and a substrate), silicon resin serves as a main resin framework, a high-temperature-resistant organic resin material serves as nano particles (serving as a secondary resin framework after sintering), zirconium and cerium composite oxide nano particles serve as a high-temperature corrosion inhibitor, and the high-temperature corrosion inhibitor is prepared. And an isocyanate polymer is used as a cross-linking curing agent of the components to prepare the high-temperature-resistant and high-pressure-resistant water environment coating after high-temperature sintering. The coating disclosed by the invention can be coated on metal substrates such as low-carbon steel, stainless steel, aluminum alloy and copper alloy, so that the metal substrates can resist corrosion in a high-temperature and high-pressure water environment. And after the coating is cured and sintered, the surface is smooth and has certain hydrophobicity.

The invention discloses a palladium-supported catalyst for propane catalytic combustion and a preparation method and application thereof. According to the method, a coprecipitation method is utilized under stirring, polyvinylpyrrolidone is used as a guiding agent, cerium dioxide is used as a metal precursor, palladium nitrate is used as a doping agent, and sodium hydroxide and sodium carbonate are used as chemical environment regulating agents to prepare a metal-doped catalyst; the metal-doped catalyst is used in a propane catalytic combustion reaction, efficient degradation of propane is achieved, the catalytic conversion temperature of precious metal is remarkably reduced, and the metal-doped catalyst has the advantages that the one-way propane conversion rate is high, and the reaction is mild; relates to the field of petrochemical engineering.

The invention discloses a carbon-coated silicon-based composite material and a preparation method thereof.The preparation method comprises the steps that firstly, a silicon monoxide material and a lithium source liquid phase are mixed in the mode of solvent evaporation after liquid phase mixing, and a layer of lithium silicate precursor is evenly distributed on the surfaces of silicon monoxide particles through high-temperature sintering; and mixing the carbon-coated silicon-based composite material with an organic resin liquid phase, and carrying out high-temperature carbonization to obtain the carbon-coated silicon-based composite material. The invention also discloses an application of the carbon-coated silicon-based composite material as a lithium ion battery negative electrode material. The carbon-coated silicon-based composite material prepared by the method disclosed by the invention has relatively high first coulombic efficiency and excellent cycle performance and rate capability, and the method disclosed by the invention is simple in preparation process and further has the characteristic of industrialization.

The invention discloses a preparation method and application of a porous para-aramid nanofiber membrane. The preparation method of the para-aramid nanofiber membrane comprises the following steps: placing a substrate coated with an aramid nanofiber solution in an aprotic solvent to obtain an aramid nanofiber membrane containing the aprotic solvent; and immersing the aramid nanofiber membrane containing the aprotic solvent into a protic solvent, replacing the aprotic solvent in the nanofiber membrane with the protic solvent, and heating and drying to obtain the para-aramid nanofiber membrane. The para-aramid nanofiber membrane prepared by the preparation method of the para-aramid nanofiber membrane has highly adjustable porosity and pore structure, and has a huge application prospect in the fields of battery diaphragm and membrane separation and the like, and the preparation method is simple and suitable for large-scale industrial application.

The invention belongs to the technical field of medical treatment, and particularly relates to an intelligent shock wave response type nano-motor microneedle transdermal drug delivery system and a preparation method thereof. The microneedle transdermal drug delivery system adopts shock wave to induce response, the microneedle transdermal drug delivery system comprises a microneedle patch, the microneedle patch is provided with a microneedle, and the microneedle comprises a microneedle matrix, shock wave response type nano-particles and a nano-motor carrying drugs; according to the invention, hydroxyapatite is used as a skeleton, and a drug-loaded nano motor (ESW-NM) and a microneedle matrix are prepared and formed in a mold. Shock waves are utilized to increase penetration of the nano-motor into deep tissues, the transdermal delivery efficiency of drugs can be remarkably improved, micro-nano bubbles are generated on the surface of the nano-motor, energy generated after the bubbles are broken pushes the nano-motor to do forward directional movement, deep tissue penetration of the nano-motor (ESW-NM) is achieved, the nano-motor directly reaches a targeted part to release the drugs, and the transdermal delivery efficiency of the drugs is improved. The influence of digestion, absorption, transfer time and the like is avoided; a new thought is provided for transdermal delivery to deep tissues. The preparation is simple, and large-scale popularization can be realized.

The present invention discloses a portable hydrogen generating device based on water free radical cations, and the technical scheme thereof is as follows: comprising a housing, a power source, a reaction chamber with an air inlet and an air outlet, a benzene generator for generating a benzene gas flow, and a deionized water generator for generating a deionized water gas flow, wherein the benzene generator and the deionized water generator are both connected to the air inlet of the reaction chamber, an anode plate and a cathode plate are respectively provided on both sides of the reaction chamber, a plurality of corona needles arranged toward the cathode plate are provided on the anode plate, and the anode plate and the cathode plate are both connected to the power source. Compared with the prior art, the hydrogen generating device of the present invention is easy to use, the conditions required for the preparation of hydrogen are simple, the hydrogen production concentration is high, the energy consumption is low, dry burning does not occur, and the safety is good.

The invention belongs to the technical field of coagulants, and discloses a titanium gel coagulant, a composite titanium salt coagulant, a preparation method and application, the titanium gel coagulant is a TiCl4-ethanol-acetylacetone-water mixture, and the composite titanium salt coagulant is a composite preparation formed by compounding the titanium gel coagulant with a coagulant aid. The titanium gel coagulant and the composite titanium salt coagulant have the characteristics of low material price, simplicity in synthesis, good turbidity removal effect and the like, in addition, the titanium gel coagulant and the composite titanium salt coagulant not only enrich the research content of the coagulant, but also provide a new technical choice for the field of water treatment, and are stable in property and suitable for industrial production. The long-term storage and use can be realized.

The invention discloses an anthryl-derived triphenyl quaternary phosphonium salt compound and application thereof, and particularly relates to a compound shown as a formula I or pharmaceutically acceptable salt thereof, wherein variables of the compound are defined in the specification. The compound disclosed by the invention shows a good killing effect on various cancer cells. In addition, the compound provided by the invention has the advantages of cheap and easily available raw materials, remarkable anti-cancer effect and suitability for large-scale preparation. # imgabs0 #

The invention discloses a preparation method and application of a tannic acid-cobalt sulfide nano aggregate. The nano aggregate is synthesized from cobalt chloride, thioacetamide or sodium thiosulfate and tannic acid through a one-step method. The preparation method has the advantages of simple and convenient operation, safe and easily available raw materials and the like. The tannic acid-cobalt sulfide nano aggregate prepared by the preparation method disclosed by the invention has excellent biocompatibility and extremely low cytotoxicity; meanwhile, the material has a good absorption characteristic in a near-infrared second region, and shows an excellent photo-thermal conversion effect. Based on the characteristics, the tannic acid-cobalt sulfide nano aggregate prepared by the invention can be used for near-infrared two-region photothermal therapy, and has a wide application prospect in the field of cancer therapy.

The invention discloses a heat-resistant and salt-resistant nano-fracturing imbibition agent and a preparation method thereof, and belongs to the technical field of oil and gas exploitation. A heat-resistant and salt-resistant nano-fracturing imbibition agent is composed of the following components: starch, acrylic acid, ammonium persulfate, sodium bisulfite, quaternary ammonium salt, interfacial tension reducer, and deionized water. The heat-resistant and salt-resistant nano-fracturing imbibition agent provided by the invention has a hydrophobic associating polymer and an interfacial tension reducer as the main components, and has excellent heat resistance, salt resistance, and shear resistance; the formation adsorption loss is small, the oil-water interfacial tension is low, and it can penetrate into the deep part of the low-permeability reservoir, change the wettability of the rock, and through a certain period of well sealing after fracturing, the surfactant is absorbed into the pore throat of the ultra-low permeability reservoir, and more crude oil is absorbed and replaced, thereby improving the fracturing effect of the tight oil layer, delaying the production decline rate, and improving the single well production and recovery rate; the raw materials are widely available, the cost is low, the method is simple and easy to operate, and it is suitable for industrial production.

The present invention belongs to the technical field of semiconductor materials, and discloses a porous single-crystal zinc oxide semiconductor material with a self-supporting structure, a preparation method and an application thereof. A zinc-sulfur compound single-crystal substrate is used as a precursor mother crystal, and the single-crystal substrate undergoes a solid-solid phase transition from an external lattice to an internal lattice under medium-high temperature conditions, and non-zinc atoms escape; after the escape, the remaining zinc atoms and oxygen atoms undergo secondary crystallization to form a porous single-crystal zinc oxide material with a self-supporting structure. The porous single-crystal zinc oxide semiconductor material with a self-supporting structure prepared by the present invention has pores of 20 nm to 800 nm, and a pore structure is introduced inside the single-crystal structure, and the porosity and structural coherence are combined, thereby greatly improving the performance of the semiconductor material of the present invention as a zinc oxide device.

The invention relates to the technical field of water treatment, in particular to a preparation method and application of an adsorbent for water treatment. The preparation method of the adsorbent for water treatment comprises the following steps: a) carrying out ultrasonic treatment on artemia capsule shells cleaned by a mixed solution of water and ethanol, and drying to obtain a clean material; b) firing the obtained material at different pyrolysis temperatures to obtain artemia capsule shells with different pore sizes; and c) stirring the obtained artemia capsule shell and the prepared nano Fe3O4 particles, and firing at a high temperature to obtain artemia capsule shell iron oxide (LC-FeO) which is an adsorbent for water treatment. The prepared adsorbent for water treatment can effectively remove copper ions in water. According to the preparation method, the artemia capsule shell and the nano Fe3O4 are stirred and fired, LC-FeO is prepared under the normal-pressure mild condition, a large number of active sites are provided for adsorbing copper ions in water, the growth size of the nano Fe3O4 is regulated and controlled in a micro environment, the adsorption performance is greatly enhanced, and meanwhile the material is high in magnetism and quite convenient to recycle.

The invention discloses an N-heterocyclic dithiocarbamate Fe (III) compound as well as a preparation method and application thereof. The chemical formula of the target Fe (III) compound is [FeIII (L)]. ClO4.H2O, wherein HL is a (E)-methyl 2-(quinoline-8-methylene) hydrazino dithioformate Schiff base ligand. The Fe (III) compound is simple in preparation route, high in yield and easy to purify. The Fe (III) compound shows hemolytic activity equivalent to that of cis-platinum, and shows good biocompatibility. An MTT (Methyl Thiazolyl Tetrazolium) experiment shows that the Fe (III) compound has good anti-cancer activity, and the Fe (III) compound realizes relatively high photothermal conversion efficiency in an aqueous solution under illumination of near-infrared laser of 650 nm. Therefore, the Fe (III) compound not only can be used for chemotherapy of tumors, but also can be used for photothermal therapy.

The invention belongs to the technical field of alginate fiber functional composite materials, and particularly relates to thermochromic alginate fibers and a preparation method thereof.The preparation method comprises the steps that a sodium alginate aqueous solution and a thermochromic microcapsule aqueous solution are mixed and stirred to form a uniform solution, defoaming treatment is conducted, and a spinning solution is obtained; the spinning solution is sprayed out of trickles through spinning holes, the trickles are solidified into filaments through a coagulating bath and shaped through a stretching bath in sequence, obtained fibers are subjected to filament separation, washing and drying in ethyl alcohol, and the thermochromic alginate fibers are obtained. According to the preparation method disclosed by the invention, the alginate fiber is endowed with high-sensitivity discoloration performance, and the strength of the alginate fiber is also remarkably improved; the preparation method is convenient to operate, simple in preparation condition, low in production cost and easy for batch and large-scale production, and has a good industrial production basis; the thermochromic alginate fiber prepared by the method has a wide application prospect in the aspects of intelligent textiles, radiation refrigeration, wearable equipment and the like.

The invention discloses a preparation method of a polyvinyl alcohol-polyethylene glycol hydrogel film with low equilibrium swelling degree and high toughness. The preparation method comprises the following steps: adding PEG (Polyethylene Glycol) into a PVA (Polyvinyl Alcohol) aqueous solution, uniformly mixing at a high temperature under stirring, and carrying out ultrasonic defoaming, tape casting, drying and swelling treatment in the aqueous solution to prepare a finished product in one step. The prepared hydrogel film shows excellent performance combination, including thickness adjustability, low swelling property, high toughness and uniformity under swelling balance, and excellent acid and alkali resistance stability and biological safety. The method has the advantages of simple and fast preparation process, short time consumption (24 hours), no toxic reagent, no need of cross-linking agent, only use of three substances, harmlessness to human body, greenness, safety, low cost of raw materials, equipment and storage, easy regulation of the film thickness (0.2-0.7 mm), uniformity and flatness, and realization of large-scale and large-size production.

The invention belongs to the technical field of oil-gas field development, and relates to a CO2 slow response type gel for an ultra-high-temperature oil reservoir and a preparation method of the CO2 slow response type gel. The invention relates to a CO2 slow response type gel for an ultra-high temperature oil reservoir. The CO2 slow response type gel comprises an anionic surfactant, a cross-linking agent, a thiourea auxiliary agent and water. The CO2 slow response type gel for the ultra-high-temperature oil reservoir is relatively low in viscosity before being in contact with CO2, and can be well injected into a deep stratum, so that the swept area is enlarged; and after CO2 is introduced, at the temperature of 140 DEG C or above, after 5 hours, cross-linking is performed to form a three-dimensional network structure, the volume expansion viscosity is increased, and good viscoelasticity is achieved, so that the stratum is better blocked.

The present application relates to a kind of preparation methods of perovskite film, comprising the following steps: mixing imidazolium ionic liquid and lead halide in container according to the proportion of 1:1, adding DMF or DMSO solvent, heating and stirring, then adding first solvent and precipitating white precipitate, drying white precipitate to obtain white powder. White powder is mixed with at least one of MAI, FAI, CsI cation salt and second solvent, to configure perovskite precursor solution, after heating and stirring, filtering, placing filtrate in oven, to obtain perovskite crystal material. Perovskite crystal material is placed in tank, then methanamine vapor is introduced, to obtain perovskite intermediate, then the perovskite intermediate is dissolved in acetonitrile, to obtain acetonitrile mixed solution. Acetonitrile mixed solution is spin-coated or blade-coated on substrate, to obtain perovskite film layer. The present application also discloses perovskite assembly prepared by the method. The present application can prepare perovskite film in air environment without annealing treatment.

The invention discloses a molybdenum-doped nano-zinc oxide loaded ordered mesoporous carbon adsorbent as well as a preparation method and flue gas desulfurization application thereof, and belongs to the technical field of preparation of ordered mesoporous carbon composite materials. The ordered micro-mesoporous carbon nanospheres with high specific surface area are selected as carriers, molybdenum-doped nano-zinc oxide is selected as an active component, hydrogen sulfide gas remaining in pores can be efficiently removed, the preparation conditions of the method are simple and controllable, and the prepared molybdenum-doped nano-zinc oxide loaded ordered mesoporous carbon adsorbent has a good application prospect. The defects of small sulfur capacity, non-ideal desulfurization precision, short service life and the like of the traditional zinc oxide desulfurizer are broken through, and the zinc oxide desulfurizer has high efficiency, economical efficiency and stability, so that the zinc oxide desulfurizer can be widely applied to the field of flue gas desulfurization.

The application belongs to the field of organic synthesis and particularly relates to a synthesis method of substituted silabicyclo[4.1.0]heptan-2-one derivatives. The method comprises the following steps: pyridine N-oxide mediates intramolecular radical tandem cyclization reaction of 1,6-silabenzyne compounds to obtain silabicyclo[4.1.0]heptan-2-one derivatives. The reaction condition of the application is mild and simple, only needs to add a catalytic amount of non-metal photocatalyst, does not need to add other metal catalysts and ligands; and the reaction does not need strict anhydrous and anaerobic conditions, is easy to operate, has a relatively short reaction time, the product is easy to separate and purify, and has a relatively high yield.

The invention provides a preparation method and application of a citric acid modified Cd-MOF material, and belongs to the technical field of metal organic framework materials. The citric acid modified beta-cyclodextrin metal organic framework (CA-beta-CD-MOF) is synthesized by adopting a chemical grafting and steam diffusion method, and the adsorption performance and the reusability of the citric acid modified beta-cyclodextrin metal organic framework (CA-beta-CD-MOF) are systematically researched. Parameters such as concentration, dosage, pH and the like of citric acid are associated, the adsorption effect of the citric acid on heavy elements in a portable solution is investigated, and the adsorption capacities of the citric acid on anionic dye Congo red (CR) and heavy metal ions (Cu < 2 + >) are as high as 900.9 and 287.4 mg.g <-1 > respectively. The citric acid modified beta-cyclodextrin metal organic framework (CA-beta-CD-MOF) obtained by the invention has the characteristics of being simple, green, environment-friendly and reusable, has excellent adsorption performance, and can be used for simultaneously removing organic dye and heavy metal ion pollution in water.

The invention relates to high-purity cordierite ceramic powder and a preparation method thereof. The preparation method of the high-purity cordierite ceramic powder comprises the following steps: (1) preparing high-purity and high-reactivity MgO powder, Al2O3 powder and SiO2 powder according to chemical components of cordierite, mixing, drying and screening to obtain mixed raw material powder; (2) carrying out primary high-temperature reaction on the mixed raw material powder at 1200-1400 DEG C to reduce the sintering activity of the powder, cooling, and carrying out dry pressing to obtain a biscuit block; (3) carrying out secondary high-temperature reaction on the biscuit block at 1450-1460 DEG C so as to enable the interior of the biscuit to be partially molten and generate a liquid phase, and cooling to obtain a loose and breakable high-purity cordierite block; and (4) crushing the high-purity cordierite block to a target particle size to obtain the high-purity cordierite ceramic powder.

The invention belongs to the field of electrochemistry, and relates to a micro-arc oxidation method for a tantalum metal surface in a sodium chloride electrolyte. According to the micro-arc oxidation method for the tantalum metal surface, tantalum metal serves as an anode, micro-arc oxidation treatment is carried out, and a Ta2O5 coating is obtained on the surface; electrolyte used for micro-arc oxidation treatment is sodium chloride. According to the method, the Ta2O5 oxidation film with excellent corrosion resistance is obtained through micro-arc oxidation, the method is simple in preparation condition, the electrolyte is completely green and environmentally friendly, the film forming speed is high, the prepared Ta2O5 passivation film with the porous film layer is obtained, Ta2O5 in the film layer has high corrosion resistance, the porous coating can promote proliferation and adhesion of osteoblasts, and the service life of the film layer is prolonged. The porous Ta2O5 oxide film prepared by the preparation method disclosed by the invention is controllable in structure and morphology, and can be flexibly regulated and controlled according to requirements.

This application provides a method for preparing decellularized pericardium, employing a combination of specific pretreatment, sterilization, defatting, decellularization, and freeze-drying processes. This method effectively removes antigenic substances from animal tissues while maximally preserving the integrity of bioactive components and structures in the material. Simultaneously, the preparation process effectively incorporates inorganic metal ions, polysaccharides, and drugs to prevent adhesions. The resulting decellularized pericardium possesses both natural rough and smooth surfaces. The smooth surface has a dense fibrous structure, effectively blocking the invasion of adhesion tissues without affecting tendon function. The rough surface allows tissue ingrowth, facilitating rapid vascularization and tendon repair. Furthermore, the decellularized pericardium is loaded with functional components, further promoting tendon healing and preventing adhesions.

The invention provides a characteristic chromatogram construction method and application of a traditional Chinese medicine composition, and the characteristic chromatogram construction method of the traditional Chinese medicine composition comprises the following steps: obtaining a characteristic chromatogram of a test sample by adopting a high performance liquid chromatography; chromatographic conditions of the high performance liquid chromatography are as follows: a chromatographic column is a TC-C18 chromatographic column; the detection wavelength is 190 to 240 nm; acetonitrile is used as a mobile phase A, a phosphoric acid solution is used as a mobile phase B, and a specific gradient elution procedure is adopted for elution; the traditional Chinese medicine composition is a traditional Chinese medicine compound composition comprising semen cuscutae, herba taxilli and radix dipsaci. According to the method disclosed by the invention, effective separation of various chemical components is realized, relatively more chromatographic peak information is obtained, and comprehensive evaluation and comprehensive control of overall quality of internal characteristic components of the traditional Chinese medicine compound composition including semen cuscutae, herba taxilli and radix dipsaci such as the longevity pill are realized.