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30results about How to "Achieve practical purposes" patented technology

All solid-state medical double resonance intracavity sum frequency yellow light laser

The invention discloses an all solid-state medical double resonance intracavity sum frequency yellow light laser, comprising a first sub cavity, a second sub cavity and a public cavity shared by the first sub cavity and the second sub cavity; wherein the first sub cavity is used for generating light beam the wavelength of which is lambda1; the second sub cavity is used for generating light beam the wavelength of which is lambda2; and the public cavity is used for polymerizing the light beams the wavelengths of which are lambda1 and lambda2 respectively, then the polymerized light beam is transmitted into the sum frequency crystal of the public cavity, so as to generate light beam the wavelength of which is lambda3, and the light beam the wavelength of which is lambda3 is output from an outputting coupling mirror. The all solid-state yellow light laser of the invention is combined by a slice type structure capable of obtaining 578nm wavelength and intracavity sum frequency, can be used for substituting application of dye laser in the medical field, overcomes the defects of the prior art and achieves the aim of practicability.
Owner:SUZHOU INST OF BIOMEDICAL ENG & TECH

Solid section temperature change measurement system

The invention discloses a solid section temperature change measurement system. The solid section temperature change measurement system is characterized by comprising a module for intercepting solid surface temperature and time relations, a data fitting module, a fitting data differential module, a parameter input and calculation module and a CCT (continuous cooling transformation) and TTT (time temperature transformation) curve superposition module. Influences of internal heat sources, quality, physical properties and ingredients of solids on heat transfer are embodied on temperature time curves of the solid surfaces classified according to shape, and different temperature moments form a cooling curve from the measured section center parts of the solids to the random surface positions by measuring surface temperature time curves of to-be-measured objects, obtaining temperature change speeds of the object surfaces and calculating moments with the same temperature as the surfaces from the center parts of the measured solids to the random surface positions. The complex calculation process is simplified while calculation accuracy is not reduced, and the goal of practicality is achieved simultaneously.
Owner:SHANDONG JIANZHU UNIV

Method for preparing nano barium strontium titanate/magnesium oxide complex-phase powder in situ by coprecipitation

The invention relates to a method for preparing nano (1-x)Ba1-nSrnTiO3-xMgO complex-phase powder in situ by coprecipitation. A preparation flow comprises the following steps: weighing nitrates of barium, strontium and magnesium into water according to an accurate stoichiometric ratio to prepare a solution A; weighing butyl titanate according toan accurate stoichiometric ratio and dissolving into an ethanol-oxalic acid solution to prepare a solution B; slowly dropwise adding ammonia water into a mixed solution of the solution A and the solution B and carrying out a coprecipitation reaction; controlling the pH value of the reaction system to be 2-10; and carrying out filtering, washing, heat treatment and grinding on precipitate to obtain the nano (1-x)Ba1-nSrnTiO3-xMgO complex-phase powder. The preparation process is simple, short in period and low in cost; and the obtained nano complex-phase powder has good dispersity, uniform grain diameter and high degree of crystallization and can be put into practice.
Owner:CHINA JILIANG UNIV

Method for preparing indium niobium co-doped titanium dioxide powder through co-precipitation method

The invention relates to a method for preparing indium niobium co-doped titanium dioxide powder through a co-precipitation method. The method comprises the following steps: (1) preparing a solution, weighting InCl3.4H2O and NbCl and respectively dissolving in absolute ethyl alcohol, thereby obtaining an InCl3 solution and a NbCl5 solution; (2) weighting TiCl4 and dissolving in absolute ethyl alcohol, thereby obtaining a TiCl4 absolute ethyl alcohol solution; (3) dropwise adding the InCl3 solution into the NbCl5 solution, thereby obtaining a mixed solution A; (4) dropwise adding the TiCl4 absolute ethyl alcohol solution into the mixed solution A, thereby obtaining a mixed solution B; (5) using ammonium hydroxide for adjusting pH of the mixed solution B till pH is more than or equal to 11, thereby forming a suspension; (6) performing suction filtration on the suspension, drying the obtained precipitate, grinding and sieving, thereby obtaining precursor powder; (7) roasting the precursor powder prepared in the step (6) at 1100-1200 DEG C, thereby obtaining the indium niobium co-doped titanium dioxide powder.
Owner:SHAANXI UNIV OF SCI & TECH

Jacket type glass piston preparation process

InactiveCN1807296AStress reliefAvoid the pitfalls of contaminating the liquid to be testedGlass blowing apparatusGlass reforming apparatusGlass ballEngineering
The invention relates to a preparation technique for jacket-type glass piston. Wherein, using the blown piston-core shell as the jacket inner layer, fused sealing the broken small end with a glass tube; connecting a glass tube on the shell opening as a inner branch tube, blasting one end of glass tube and the large end into a glass ball; cutting part of the ball on blaze to cover a glass tube as the jacket outer layer; connecting and fused sealing two ends and the necked glass balls on ends of inner layer; connecting a out branch tube on outer glass tube; lengthening the inner branch tube; annealing and grinding the piston inner core and shell. This invention improves precision and reduces cost.
Owner:YANGZHOU UNIV

Solid state electrolyte and solid state battery

A solid state electrolyte having a garnet type crystal structure is provided. The chemical composition of the solid state electrolyte includes lithium, lanthanum, zirconium, oxygen, and sulfur. The content of sulfur in the solid state electrolyte is between 5 mol % and 35 mol % based on the content of oxygen in the solid state electrolyte. A solid state battery including a positive electrode layer, a negative electrode layer, and a solid state electrolyte layer is also provided. The solid state electrolyte layer is disposed between the positive electrode layer and the negative electrode layer.The solid state electrolyte layer includes the solid state electrolyte.
Owner:IND TECH RES INST

Solid section temperature variation determination method

The invention discloses a solid section temperature variation determination method, which is characterized by comprising the following steps: 1, measuring a change curve of surface temperatures of a solid along with time in a known environment by a determinator, and fitting the measuring curve to a continuous curve to avoid breakpoints during measuring; 2, carrying out differentiation on the fitted measuring curve to obtain a cooling velocity curve; 3, calculating a temperature-time curve of a random location of the measured section of the solid; 4, calculating the start point of a cooling curve of the random location on the measured section; 5, calculating all points at the temperature interval delta ti; 6, superposing overcooling austenite continuous isothermal cooling transition curves of steel and iron materials; and 7, calculating the depth of a through hardening layer. The solid section temperature variation determination method simplifies a complex calculation process without reducing the calculation accuracy, and achieves the purpose of practicability.
Owner:SHANDONG JIANZHU UNIV

Surfactant assisted in situ co-precipitation method for preparing core-shell structure nano powder

The invention discloses a surfactant assisted in situ co-precipitation method for preparing a core-shell structure nano powder. The preparation process is as follows: weighing nitrate of strontium, barium and magnesium according to the precise stoichiometric ratio, and dissolving the three in water to prepare a solution A; weighing butyl titanate according to precise stoichiometric ratio and dissolving the butyl titanate in an ethanol-oxalic acid solution to prepare a solution B; weighing a certain amount of a surfactant and dissolving the surfactant in hot water-alcohol to prepare a solution C; slowly dropwise adding ammonia into a mixed solution of A, B and C for a co-precipitation reaction; controlling the pH value of the reaction system at 2; and subjecting the precipitate to filtering, washing, heat treatment and grinding to obtain a Ba1-nSrnTiO3 @ MgO core-shell structure nano powder with high degree of crystallinity. The invention has the advantages of simple preparation process, short cycle and low cost, and the obtained nano composite powder has good dispersibility, uniform particle size, high degree of crystallinity and coating structure, so as to meet the purpose of practicality.
Owner:CHINA JILIANG UNIV

Method for characterizing amorphous-crystal transformation kinetic characteristics by using high-energy X-rays

The invention, which belongs to the technical field of nanocrystalline alloy preparation, relates to a method for characterizing amorphous-crystal transformation kinetic characteristics by using high-energy X-rays. Fourier transform and structural function derivation are carried out on diffraction data to obtain distribution data of atoms in a matrix under different time conditions; segmented fitting is carried out by using a specific JMA equation to obtain an Avrami index; and then amorphous-crystal transformation kinetic analysis is carried out according to the Avrami index. Therefore, the analysis method is simpler, more convenient and more accurate.
Owner:SHANDONG JIANZHU UNIV

An In Situ Synchrotron Radiation Characterization Method for Crystallization Kinetics of Amorphous Alloys

ActiveCN110749573BAccurate analysisAccurate dynamic characteristicsScattering properties measurementsCrystallographyAmorphism
An in-situ synchrotron radiation characterization method for the crystallization kinetics of amorphous alloys belongs to the technical field of nanocrystalline material preparation. Starting from the most fundamental atomic structure, the nanocrystalline formation process is combined with macroscopic production and preparation conditions, so that The analysis is more accurate and reliable.
Owner:SHANDONG JIANZHU UNIV

Method for in-situ determination of kinetic curve of metallic glass ordering process by synchrotron radiation

The invention, which belongs to the technical field of nanocrystalline preparation, relates to a method for in-situ determination of a kinetic curve of a metallic glass ordering process by synchrotronradiation, thereby solving a problem of kinetic characteristics of the metallic glass ordering process. The method comprises the following steps: carrying out in-situ synchrotron radiation determination of metallic glass ordering; calculating atomic structure distribution; carrying out kinetic fitting of data; and performing ordered kinetic characteristic analysis. With the provided method, the kinetic characteristics of the ordering process can be measured and analyzed accurately and reliably to guide the production and preparation process of the nanocrystalline material, so that the purposeof practical industrialization is achieved.
Owner:SHANDONG JIANZHU UNIV

In-situ synchrotron radiation characterization method for crystallization kinetic characteristics of amorphous alloy

The invention relats to an in-situ synchrotron radiation characterization method for crystalline kinetic characteristics of an amorphous alloy, belonging to the technical field of nanocrystalline material preparation. Starting from the most fundamental atomic structure, a nanocrystalline formation process is combined with macroscopic production and preparation conditions, so that the analysis is more accurate and reliable.
Owner:SHANDONG JIANZHU UNIV

Complex phase powder and preparation method thereof

The invention relates to complex phase powder and a preparation method thereof. The preparation method comprises steps as follows: S1, providing ceramic precursor resin and oxide ceramic powder; S2, dissolving the ceramic precursor resin in an organic solvent to obtain a ceramic precursor resin solution, adding the oxide ceramic powder to the ceramic precursor resin solution, and performing stirring at the room temperature to obtain a mixed liquid; S3, grinding the mixed liquid with a grinding process to obtain mixed ceramic slurry, drying the mixed ceramic slurry, and performing powder spraying to obtain the precursor powder; S4, calcining the precursor powder to obtain the complex phase powder. The preparation method adopts a simple process, is low in energy consumption, low in cost andfree from environmental pollution and can be adapted to production and industrial application of large-scale spherical complex phase sub-micron powder. The prepared complex phase powder has good dispersity, uniform particle size, high purity and crystallinity, contains uniform ingredients, has a spherical cladding structure and can achieve the practical purpose.
Owner:SUZHOU TUNABLE MATERIALS TECH CO LTD

Neutron diffraction characterization method for crystallization kinetic characteristics of bulk amorphous alloy

The invention relates to a neutron diffraction characterization method for the crystallization kinetic characteristics of bulk amorphous alloy. Fourier transform and structural function derivation arecarried out on diffraction data to obtain distribution data of atoms in nanocrystals under different time conditions; and segmented fitting is carried out by using a specific JMA equation and crystallization kinetic analysis is carried out based on the segmented fitting. According to the invention, the dynamic characteristics of nanocrystalline formation can be measured and analyzed accurately and reliably by starting with the most fundamental atomic structure, so that high practicability is realized.
Owner:SHANDONG JIANZHU UNIV
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