69 results about "Body solution" patented technology

The invention provides a kind of fibre strengthening polyimide compound material of inorganic nano particle and its producing method. In the premonitory body solution, make aliphatic homopolymerized polyimide, aromatic homopolymerized polyimide, aliphatic copolymerized polyimide and aromatic copolymerized polyimide have in-situ polymerization, then compound with fibre layer in the form of polyamide acid solution, polyimide powder or polyimide beforehand molding membrane obtained by compounding, and adopt heat mould pressing method to produce polyimide compound material strengthened by seriate fibre. It has good apparent performance, toughness, interface intensity and thermal stability. The compounding of inorganic nanometer particles can improve the match ability between organic phase and inorganic phase, and endue polyimide with low heat expansibility, low water absorbability and high thermal conductivity.

The invention relates to the solid fuel battery technology area, specifically relates to a composit cathode of solid oxide compound fuel cell with high stable and its preparation method. The composit cathode includes the negative pole material thin film which is composed by nanometer level spheroidal particle whose diameter is the 50-100nm the and the electrolyte basis, electrolyte basis thickness is 0.7-1mm, the negative pole material thin film quality / ( the quality of negative pole material thin film + the quality of porous electrolyte skeleton) =50%-55%. The preparation method is that first prepares electrolyte powder body by the metal nitrate forerunner body, and forms the basis and the pulp, prints the pulp on the basis drtying, heating to obtain the porous three dimensional electrolyte skeleton, soaks the negative pole material forerunner body solution to the skeleton, puts heat treatment 2-3 hours under the 700-900deg.C , soaks the heat treatment cycle operation many times. The composit cathode has the very good electrochemistry performance.

The invention relates to a synthesis method for a low MFT moderate permeability polymethyl acrylamide ester for drug use and application thereof, which belongs to the technical field of sustained release coating material for drug use. The synthesis method comprises the following steps: adopting the body-solution polymerization, introducing a butyl acrylate monomer to obtain the low MFT polymethyl acrylamide ester, and carrying out coating and film forming without adding a plasticizer; regulating the proportion of methylacrylic acid chlorinated trimethylamine ethyl ester in the polymer monomer to obtain the polyacrylic acid resin with moderate permeability. The polymer is mainly applied to the water soluble drug sustained release coating, and can reach a satisfied sustained release effect by adding a few insoluble components or pore-forming agents.

The invention discloses a method for treating undegradable organic water using electrochemical turntable, wherein anodes and cathodes are uniformly and alternatively arranged on a electrochemical turntable, the anodes and cathodes are connected with wires, then they are connected with the two poles of the DC source through carbon brushes for electrolysis. The lower portion of the electrochemical turntable is immersed in the solution of the electrolyzation tank, the upper portion is exposed in the air, and a motor drives the turntable rotate so as to quicken the exchange between the electrode surface and main body solution substances.

The invention discloses a water heat preparing method of water-soluble CdTe quantum point in nanometer technical domain, which comprises the following steps: choosing cadmium chloride or cadmium oxide compound as cadmium source; choosing sodium hydride telluride formed by tellurium powder and sodium borohydride as tellurium source; choosing mercapto group amine compound as stabilizer; producing CdTe fore-body solution under the protection of nitrogen; reacting under water-heating environment; getting the product. This invention possesses warm reacting condition, convenience function, simple device, good dispersibility, even particle size and high fluorescence quantum efficiency, which can be fit for industrial production.

The invention discloses a nonmetal oxygen reduction catalyst and a preparation method thereof. The nonmetal oxygen reduction catalyst is of a three-dimensional grading porous structure. Main components of the nonmetal oxygen reduction catalyst are carbon, nitrogen and phosphorus. Nitrogen and phosphorus are dopped in carbon. The comparison content of nitrogen and phosphorus is 0-10 at%. The comparison content of phosphorus and carbon is 0-8 at%. The content of nitrogen and the content of phosphorus can not be zero at the same time. Solution of polystyrene microspheres and polyvinyl alcohol is frozen in low temperature, and then is unfrozen at room temperature, so that composite hydrogel of polyvinyl alcohol and polystyrene is prepared. The composite hydrogel is used as a template. Front drive body solution with mixed elements is filled into clearance of the hydrogel, and three-dimensional grading porous element-dopped carbon materials are manufactured through high-temperature calcining. According to the preparation method, raw materials are common and can be obtained easily, cost is low, and the preparation process is simple and safe. Obtained materials have good oxygen reduction catalytic activity in acid, neutralized and alkaline electrolyte and is approximate to the reaction process of four electrons.

The invention relates to a method for preparing Ag2MoO4-ZnMoO4-CuMoO4 by microwave heating. A test proves that the chemical reaction of the antimicrobial can be promoted to finish under microwave heating condition, thereby greatly shortening the preparation time of the antimicrobial. And when three components of coprecipitation molybdate antimicrobial powder body solution are prepared, a coprecipitation way is adopted, so that the grain diameter of the antimicrobial is evener, and the antimicrobial effect is improved. Through analyzing and comparing the XRD of a baking sample which is not baked at 1260 DEG C, the three components of molybdate antimicrobial has fine stability at high temperature. And the compound of parts of CuMoO4 and ZnMoO4 substitutes the compound of Ag2MoO4, so that the cost of the antimicrobial is lowered. The prepared Ag2MoO4-ZnMoO4-CuMoO4 antimicrobial is added into sanitary porcelain according to the proportion that the dosage of the antimicrobial is 1 to 2wt percent of the gross weight of dried glaze, and is baked at about 1260 DEG C to obtain an antimicrobial ceramic sample. Through an antimicrobial performance test, the bacteriostatic ratios of antimicrobial ceramic to colon bacillus and staphylococcus aureus are both at over 90 percent which accords with the standard of the antimicrobial ceramic in the building material industry.

The invention relates to a preparation method for a soluble microneedle for poorly water soluble drugs. The method comprises the steps that poorly water soluble drugs and polyvinylpyrrolidone are dissolved into an organic solvent, and a needle body solution is prepared; a vacuum method or positive gas pressure method is adopted for injecting a needle body solution into a microhole of a microneedle mold to obtain a needle body portion of the microneedle; a water-soluble polymer is taken to be dissolved into water, a direct appellation solution is prepared, the direct appellation solution is added into a microneedle mold containing the needle body, drying and demolding are performed, and the soluble microneedle for poorly water soluble drugs is obtained. According to the preparation method, preparation of the soluble microneedle for poorly water soluble drugs is achieved, medicine waste is avoided, and the medicine utilization rate is increased; consumption of an organic solvent is reduced, safety is improved, the method is environmentally friendly, and the water-soluble polymer for manufacturing the soluble microneedle can still be used for manufacturing a water-insoluble microneedle.

The invention discloses an application of copolymerization pillar [5] arene to hexadecylpyridinium chloride colorimetric detection in a CHCl3 system, and belongs to the technical field of compound detection. The application is specifically characterized in that the copolymerization pillar [5] arene is prepared into a main solution through CHCl3; a CHCl3 solution of the hexadecylpyridinium chloride serving as surfactants, a CHCl3 solution of hexadecylpyridinium bromide serving as surfactants, a CHCl3 solution of hexadecyl trimethyl ammonium bromide serving as surfactants, a CHCl3 solution of a trimethylamine ethanol solution serving as surfactants, a CHCl3 solution of triethanolamine serving as surfactants and a CHCl3 solution of sodium dodecyl benzene sulfonate are respectively prepared to serve as auxiliary solutions; the auxiliary solutions are added into the body solution, and if fluorescence of the body solution is quenched, it is indicated that the added auxiliary solution of the CHCl3 solution of the hexadecylpyridinium chloride; if the fluorescence of the body solution is not changed, it is indicated that the auxiliary solution is not the CHCl3 solution of the hexadecylpyridinium chloride. The method for monitoring the hexadecylpyridinium chloride has the advantages of being rapid, high in sensitivity and the like, and a new direction is developed for single selectivity detection of surfactants.

The invention relates to a method utilizing sodium alginate to compound nanogold in an environment-friendly mode. The method comprises the steps of preparing chloroauric acid solution and sodium alginate solution, wherein the chloroauric acid solution and the sodium alginate solution are different in concentration; mixing the chloroauric acid solution and the sodium alginate solution, and obtaining pre-reaction drive body solution through magnetic stirring and even mixing, wherein the concentration of the chloroauric acid solution in the mixed solution is 10-2-10-4mol / L, and the mass percent concentration of the sodium alginate solution in the mixed solution is 0.5%-5%; placing the pre-reaction drive body solution obtained in the last step in a constant-temperature water bath pot, wherein the temperature is controlled at 20 DEG C-80 DEG C, the reaction time is controlled in 5-10 minutes, and the grain size of the controllable nanogold is 5-100nm. The method conforms to the advocated green chemistry requirement, uses reproducible biomass resource sodium alginate as reducing agents and stabilizers, does not need introduction of other chemical reagents, and is simple in technology, convenient to operate, and low in energy consumption. Moreover, the obtained nanogold is controllable in shape and size, even in dispersion, free of agglomeration and high in productivity.

The invention provides a method for preparing low-melting-point alloy-coated ceramic-phase reinforced bodies / aluminum-matrix composite materials, which relates to a method for coating ceramic-phase reinforced bodies. The invention solves the problem that a sol-gel method is complex in the process of coating the surfaces of reinforced bodies with coatings. The method comprises the following steps: adding two or more than two of bismuth nitrate aqueous solution, lead nitrate aqueous solution, indium chloride aqueous solution and stannic chloride aqueous solution to dilute nitric acid solution and adding the obtained liquid mixture and ammonia solution dropwise to reinforced-body solution till the pH is between 6 and 14; preparing reinforced bodies into prefabticated pieces and preserving heat at a temperature between 350 and 1,100 DEG C; obtaining the ceramic-phase reinforced bodies coated with metal oxide; and preparing the composite materials by utilizing a squeeze casting method. The method is simple in process and shortens the production cycle of the composite materials. The damping value of the aluminum-matrix composite materials obtained by applying the method is 0.016 to 0.018 at 25 DEG C on a frequency of 70 Hz.

The invention provides a general method for measuring material surface property parameters. The method can measure the surface electric potential of different types of materials under different conditions accurately. The method comprises the following steps: performing saturation treatment on the material surface to be determined; mixing the saturated material which is subjected to the saturation treatment and is to be determined with an indicating electrolyte solution; measuring equilibrium concentration values of cations and hydrogen ions in indicating electrolyte of the body solution of the mixture; calculating the material surface electric potential according to the equilibrium concentration values of the cations in the indicating electrolyte; in a further technical proposal, calculating material specific surface area and surface charge density according to the material surface potential, calculating material surface electric field intensity according to the material surface charge density, and calculating total material surface charge amount according to the surface charge density and the specific surface area. The method is obtained in the relevant technology field for the first time, which can be applied widely for measuring the surface property parameters of materials with different charge types and under different conditions, and can realize combined measurement.

The invention discloses a method for preparing a copper-zinc-tin-sulfide solar cell absorbing layer with a homogeneous solution method and belongs to the field of functional materials. The method comprises the following steps that (a) a substrate is washed, (b) front-body solution is prepared, (c) a front-body thin film is prepared, and (d) annealing processing is carried out. According to the method for preparing the copper-zinc-tin-sulfide solar thin film, expensive raw materials and equipment are of no need, each technology step can be well controlled, toxic macromolecule solvent is of no need, a large amount of residual carbon in the copper-zinc-tin-sulfide solar thin film preparing process is avoided, large-grained and compact copper-zinc-tin-sulfide solar cell absorbing layer thin film preparing is facilitated, the technology is simple, cost is low, repeatability is high, a new idea is provided for environment-protection low-cost high-conversion-efficiency copper-zinc-tin-sulfide thin-film solar cell technology development, and the potential of large-scale industrial production is achieved.

The invention provides a photon resonance device, a photon resonance detection system and a detection method thereof. The photon resonance device comprises a substrate; and a wave guide layer formed on the substrate. The photon resonance device is characterized in that one or more channels are formed on the wave guide layer; and each channel has a plurality of units having adjacent resonance conditions. When the photon resonance device is irradiated in a resonance condition, light emitted in the photon resonance device is transmitted inside the wave guide layer and reacts with biomolecules or body solutions. The photon resonance device has each channel provided with a plurality of units with adjacent resonance conditions. Therefore, when biomolecule detection or body solution refractive index detection is performed on the photon resonance device, each channel will generate a distribution curve which can provide more reliable measurement results.

Provided is a method of preparing platinum nano particles by using cotton bollworm karyotype polyhedrin. Inherent structural features of the cotton bollworm karyotype polyhedrin are used, a PtC14 solution is added to a purified cotton bollworm karyotype polyhedral body solution, and the precious metal platinum nano particles which are even in distribution and consistent in diameter of the particles are obtained on the surface of the cotton bollworm karyotype polyhedrin through hatch, ultrasonic wave assistance reduction treatment. Due to the fact that a cotton bollworm karyotype polyhedron carrier has natural specific structures of functional group repetitive distribution, the complex preparation technology of a conventional carrier is avoided, and therefore production cost is reduced. The sizes and distribution of the precious metal platinum nano particles are effectively controlled through control of the alkaline hydrolysis degree of the cotton bollworm karyotype polyhedron, and the method of preparing the platinum nano particles by using the cotton bollworm karyotype polyhedrin can be significantly applied to catalytic fuel cells or biosensing or the like.

The invention uses forerunner body solution of cation mixed in different ratio to manufacture solar power photo-electricity films, which are CulnS2, CulnSe2, Cu(In, Ga)Se2. The content and ratio of cation forerunner body solution is CuCl2:GaCl3:InCl3= 0.5:0:1-2:1:1. Ph value: 1-3. Sulphion source can use Na2S aqueous solution (ph value is 10-13, concentration is 0.1-1 mole / liter), Na2SeSO2, aqueous solution or thiourea solution. In the above cation forerunner body solution, anion forerunner solution, coating is made through continuing adsorption reaction, and the photo electrode film is obtained after 400-500deg.C heat treatment under argon atmosphere.

The invention provides an aluminum melt purifying, degassing and refining system which comprises a case body, a compressed air source, a motor, a rotor, a flowing channel, an inert gas source and a control system, wherein the case body is used for storing molten aluminum, the compressed air source is connected with the case body, the motor is arranged at the bottom of the case body, the rotor and the flowing channel are arranged in a lower layer of the case body, the inert gas source is connected with the rotor, the motor is connected with the rotor, the control system comprises a main control unit, a preheating control unit, a gas detection unit, a flowing channel liquid level detection unit, a case body solution detection unit and a vacuum negative-pressure control unit, and the motor, the preheating control unit, the gas detection unit, the flowing channel liquid level detection unit, the case body solution detection unit and the vacuum negative-pressure control unit are connected with the main control unit. According to the aluminum melt purifying, degassing and refining system, the full automatic control on on-line degassing during aluminum melting is realized, the dehydrogenation efficiency is effectively improved, the impurity removing effect is good, the molten aluminum can be refined and purified in a complete vacuum state, the dehydrogenation requirements of various alloys can be freely changed, and the metal loss is greatly reduced.

The present invention provides a preparing method of PZT thin films. Firstly, used first body solution is prepared, lead acetate, butyl titanate and zirconyl heptylate are dissolved into glycol ether, and the hydrolytic speed of colloidal sol is controlled by ice acetic acid to obtain PZT colloidal sol; then, the PZT colloidal sol is spincoated on silicon chips by a gel machine, a halogen lamp is used for irradiating when the PZT colloidal sol is spincoated every time, and the PZT thin films of which the surfaces are flat and smooth and the thickness is even are obtained after spincoating in many times.

The invention discloses a reduction system for vat dye or sulfur dyestuff dyeing and a reduction method. The reduction system is aqueous solution of thiourea dioxide and weak base, that is, the thiourea dioxide and weak base serve as solute, water serves as solvent, and the weak base is at least one selected from sodium carbonate, trisodium phosphate or sodium silicate; the concentration of the thiourea dioxide is 0.05 mol / L-0.2 mol / L, and the concentration of the weak base is 0.01 mol / L-0.10 mol / L. The reduction method comprises the following steps: adding the dye in the reduction system to prepare dye leuco body solution, heating, dip dyeing textile, and performing after treatment. According to the invention, a selected weak base system is adopted to replace strong base, so that the stability of a reduction leuco body is improved, the dyeing effect is enhanced, the dye-uptake is higher than that of the traditional sodium hydrosulfite-caustic soda method, the color fastness and the color uniformity are better, and the use is safe.

The invention discloses a coal slime argillization inhibition method based on adjustment and control of solution chemical properties. Inorganic salt is utilized to change the chemical properties of water body solution during the coal washing process so as to inhibit clay argillization and coal slime argillization in coal. The coal slime argillization inhibition method comprises the following step: adding an argillization inhibitor, along with supplementary water, in a coal washing system, wherein the adding site of the argillization inhibitor is a water tank of supplementary water of a coal preparation plant; the argillization inhibitor is one selected from natural gypsum, halogen piece or halogen powder of magnesium salt, or industrial high-salt waste water; the adding amount of the argillization inhibitor ensures that the conductivity of coal slime water is greater than or equal to 1.5*10<3> [mu]s / cm during the entire cyclic process. The argillization inhibitor added during the coal washing process can effectively prevent clay particles in coal from hydration swelling and dispersion and has the effects that the argillization process of coal slime is blocked, and the settling property of coal slime water and the dehydration property of coal slime are improved. The coal slime argillization inhibition method has the following advantages: clay and coal slime in coal are prevented from argillization from source; the method is simple and practicable, remarkable in effect, and suitable for washing of coal containing expansive clay.

The invention discloses a method for removing ammonia nitrogen through three-dimensional pulse electrolysis. The method is characterized by comprising multiple groups of processing systems, wherein single processing system comprises a power supply, cathode-anode plates, particle electrodes, an electrolytic cell, a constant-current circulating pump and a circulating water container; each electrolytic cell, the corresponding constant-current circulating pump and the corresponding circulating water container are connected through a related pipe to form a closed loop; multiple groups of cathode-anode plates are arranged in each electrolytic cell; anode plates of the cathode-anode plates are mesh titanium-plated ruthenium-iridium and cathode plates are mesh stainless steel; two ends of each cathode-anode plate are connected with a cathode and an anode of the corresponding power supply separately; each power supply is a numerically controlled dual-pulse electroplating power supply; and two sides of each cathode-anode plate are filled with corresponding particle electrodes. Electric energy is provided by each dual-pulse electroplating power supply, so that, compared with a traditional DC power supply, concentration polarization caused by electrode potential deviating from balance potential due to the fact that the ion concentration of an electrode interface layer solution is different from the concentration of a body solution can be reduced, and meanwhile, the unit energy consumption is reduced by 30-60%.

The invention provides a preparation method of a solid flake polycarboxylate slump retention agent for bulk polymerization. The method comprises the following steps: adding a certain amount of liquidpolyether macromonomer into a reaction kettle, stirring and heating; controlling the temperature to be 100-105 DEG C, and starting to add a certain amount of a solubilizer, a chain transfer agent, anorganic peroxy-initiator, an initial initiator and a penetrant; after 5 minutes, starting to dropwise add a small monomer solution, wherein the dropwise adding time of the small monomer solution is 0.5-2h, and the small monomer solution is prepared from a fluoro-functional monomer, alkyl acrylate and acrylic acid according to a certain proportion; after the body solution is added dropwise for 10min, firstly adding a certain amount of the organic peroxy-initiator into the kettle, then adding at a time every 10min, and adding for the last time until the time before the completion of the dropwiseaddition of the small monomer solution; after the dropwise addition is finished, heating up to 110-115 DEG C, maintaining the temperature to be constant, curing for 1-3h, then cooling, slicing and packaging to obtain the finished product. The final solid flake polycarboxylic acid slump retention agent prepared by the method is convenient to store, so that the transportation cost is greatly lowered.

The invention relates to a preparation method of a sensor capable of identifying tri-(2,3-dibromopropyl) isocyanurate. Tri-(2,3-dibromopropyl) isocyanurate is quickly determined by using the sensor. The preparation method comprises the following steps: firstly, polishing, cleaning and electrochemically activating a working electrode to obtain a pre-treated working electrode; adding a functional body solution and an imprinted molecule tri-(2, 3-dibromopropyl) isocyanurate solution into an electrolytic tank for electrochemical polymerization, and eluting to obtain an imprinted sensor with a functional body polymer membrane on the surface; and by taking the imprinted sensor as the working electrode and potassium ferricyanide as a testing base solution, adding the tri-(2, 3-dibromopropyl) isocyanurate solution, recording the peak current change condition of potassium ferricyanide to quickly test the content of tri-(2,3-dibromopropyl) isocyanurate. The imprinted sensor prepared by the invention is simple in method, and indirectly and quickly tests TBC by taking potassium ferricyanide (K2[Fe(CN)6]) as a probe molecule.

The invention provides a preparation method of tortoise-shell glue. The preparation method comprises the following steps: (1) thoroughly cleaning a tortoise-shell and crushing the tortoise-shell for later use; (2) putting the crushed tortoise-shell in a container to be dry-steamed; (3) adding water into the dry-steamed container in the step (2) to be cooked, drained and cleaned; (4) adding water into the steamed tortoise-shell and pressurizing the tortoise-shell to be fully cooked to prepare a mixed sample of a tortoise-shell body solution; (5) filtering and separating the mixed sample to obtain a glue solution; and (6) concentrating the glue solution to obtain a tortoise-shell glue product. In a preparation process, the content of volatile basic nitrogen is effectively controlled, so that the tortoise-shell glue is high in safety, effectively treats various diseases and is relatively wide in application prospect.

The invention relates to a cyprinid herpesvirus II type sandwich ELISA detection kit. The kit mainly comprises a cyprinid herpesvirus II type ORF90 purified monoclonal antibody solution, an enzyme-labeled ORF90 polyclonal body solution, a diluent, a TMB substrate solution, a stop solution, cyprinid herpesvirus II type positive control, negative control, coating liquid and a 96-pore enzyme-labeled plate. The invention also relates to a detection method. The kit and the method, provided by the invention, can be applied to detection of latent infected fish virus without clinical symptom and can further be applied to research on the change rule of the cyprinid herpesvirus II type in the fish body, so that basis is provided for prevention and control of the virus. The method provided by the invention does not have specific reaction with other common viruses of crucian and goldfish, and can be applied to diagnosis of epidemic disease in domestic farms as well as exit and entry fish quarantine.

The invention relates to the solid fuel battery technology area, specifically relates to a composit cathode of solid oxide compound fuel cell with high stable and its preparation method. The composit cathode includes the negative pole material thin film which is composed by nanometer level spheroidal particle whose diameter is the 50-100nm the and the electrolyte basis, electrolyte basis thickness is 0.7-1mm, the negative pole material thin film quality / ( the quality of negative pole material thin film + the quality of porous electrolyte skeleton) =50%-55%. The preparation method is that first prepares electrolyte powder body by the metal nitrate forerunner body, and forms the basis and the pulp, prints the pulp on the basis drtying, heating to obtain the porous three dimensional electrolyte skeleton, soaks the negative pole material forerunner body solution to the skeleton, puts heat treatment 2-3 hours under the 700-900deg.C , soaks the heat treatment cycle operation many times. The composit cathode has the very good electrochemistry performance.

The invention discloses a preparation method of an active sulfur black dye. The preparation method comprises the steps of (1) adding sulfur black and sodium sulfide to water, and reacting to obtain a sulfur black leuco body solution; (2) adding ice cakes to caustic soda, then adding chloroacetic acid for reaction to obtain a sodium chloroacetate solution; (3) adding the sodium chloroacetate solution to the sulfur black leuco body solution to obtain a sulfur black carboxylation liquid; and (4) adding 20%-30% of sodium pyrosulfite solution to the sulfur black carboxylation liquid, and drying and crushing to obtain the active sulfur black dye after reaction is ended. Hydrophilic groups such as carboxylic acid groups or sulfonic acid groups are introduced to the active sulfur black dye prepared by the method to serve as modified groups so that the degree of dyeing and the dyeing property are increased. The active sulfur black dye can be applied to all cellulosic fibers and blending products of the cellulosic fibers, paper and leather, and particularly can show excellent application performance in the leather dyeing. The invention also discloses the active sulfur black dye prepared by the method.

The present invention relates to a quartz fibre surface modification method. Said method includes the following steps: soaking quartz fibre in graft body solution, the described graft body is ethyl alcohol solution of phenol formaldehyde resin; irradiating both them by using gamma ray, its irradiation dose is 170-300KGy, taking out quartz fibre so as to obtain the invented modified quartz fibre.

The invention relates to a vanadium doped titania nanometer dilute magnetic semiconductor and a preparation method thereof, wherein, the reparation method includes the steps that: A, the predecessor body solution of vanadium ion and the predecessor body solution of titanium ion are prepared; B, the two solutions are mixed to form sol; C, the sol is aged under room temperature to form wet gel, and the wet gel is dried in an oven until dry gel is formed; D, the dry gel is skived to obtain dry gel powder, and the dry gel powder removes organic matter through heat treatment in atmosphere; the dry gel powder annealings in inert atmosphere to be made into the nanometer powder of the vanadium doped titania dilute magnetic semiconductor. The vanadium doped titania nanometer dilute magnetic semiconductor made by the method of the invention forms a power shape, and can show the room temperature ferromagnetism.

A plurality of kinds of liquids, which are of at least three kinds, containing (a) a test body solution containing at least one kind of an analyte, and (b) at least two kinds of liquids selected from the group consisting of a reagent solution, an amplifying solution, and a detecting solution, are fed to a detection site containing a specific binding substance with respect to the analyte. A qualitative analysis or a quantitative analysis of the analyte contained in the test body solution is thereby performed. Directions of liquid feeding of all of the plurality of the kinds of the liquids vary from one another, and the plurality of the kinds of the liquids are caused to intersect with one another at the detection site.