82results about How to "Strong ability to form" patented technology

The present invention discloses one kind of quick flashing glass for application in high-energy physics, nuclear physics, nuclear medicine, geophysics, industrial detection and other fields and its preparation process. The flashing glass material has silicate glass, germanate glass other heavy metal oxide as main component, and introduced high-density ZnO as luminescent center. It is prepared through three steps of preparing glass material; smelting the material; and heat treatment. Test shows that the serial glass material has the features of simple smelting process, powerful glass forming capacity, easy density regulation and high luminescent ion density. Compared with available Ce3+-doping quick flashing glass, the present invention has the features of high UV transmissibility, fast attenuation and high fluorescent strength.

The invention discloses a Fe-based amorphous alloy magnetic material and a preparation method thereof. The alloy material has the following chemical formula: (Fe100-aCoa)x-Dyy-Bz-Siw, wherein, x, y, z and w are atomic percent, x is more than or equal to 60 and less than or equal to 75, y is more than or equal to 5 and less than or equal to 25, z is more than or equal to 20 and less than or equal to 25, w is more than or equal to 0 and less than or equal to 10, a is more than or equal to 0 and less than or equal to 10, and x plus y plus z plus w equals 100. The manufacturing of the alloy has the following steps: the pure raw metal and FeB are mixed by the alloy formula and smelted to master alloy by magnetic suspension induction; then amorphous thin strips are manufactured by the melt-spinning method. The alloy of the invention has relatively good glass forming capacity and fine soft magnetic performance; moreover, the needed raw materials are mostly technically pure, thus reducing cost; meanwhile, the manufacturing technique is simple and can be applied to structural materials, magnetic materials and the like.

The invention provides a photoresist composition and a preparation method thereof. The photoresist composition comprises the following components: alkali-soluble resin having polymerization activity and optical activity, a low polymer or monomer at least containing two unsaturated double bonds and having optical activity, photosensitizer, nonionic or cationic surfactant, thermal polymerization inhibitor, aids and solvent. The photoresist composition provided by the invention uses no toxic / harmful organic solvent, hardly results in organic solvent volatilization, belongs to a green environment-friendly product and can not bring about an environmental pollution problem. The photoresist composition can be uniformly deposited on the surface of a conductive base material through an electroplating deposition method; the film thickness of the photoresist is up to 10-100 micrometers, and the effective availability of the photoresist is up to 90% or above; and the photoresist composition overcomes the problems that the photoresist composition utilization ratio is low, materials are wasted seriously and volatilization of toxic / harmful organic solvent results in environmental pollution due to the use of a spin coating process in the prior art.

The invention discloses a titanium-based amorphous / pure titanium double-continuous phase composite material and a preparation method thereof, and belongs to the technical field of titanium-based amorphous composite materials. The titanium-based amorphous / pure titanium double-continuous phase composite material comprises a titanium-based amorphous alloy and a three-dimensional communicated porous titanium skeleton. The three-dimensional communicated porous titanium skeleton is filled with the titanium-based amorphous alloy so that a double-continuous phase structure is formed. The preparation method comprises the following steps of 1, heating to melt the selected titanium-based amorphous alloy, and 2, filling the three-dimensional communicated porous titanium skeleton with the liquid titanium-based amorphous alloy by a percolation method and carrying out water quenching, or 3, extruding the titanium-based amorphous alloy melt into a metal mold with a titanium skeleton by an extrusion casting method so that the titanium-based amorphous / pure titanium double-continuous phase composite material is obtained. The amorphous phase and the second phase (pure titanium phase) of the composite material have uniform and continuous distribution structures in the three-dimensional space, and through collaborative deformation, the two phases are mutually reinforced so that the problem of poor titanium-based amorphous phase plasticity is solved and control of composite material microstructure uniformity is realized. The titanium-based amorphous / pure titanium double-continuous phase composite material has the characteristics of excellent mechanical properties, high specific strength, uniform and controllable microstructure and no defects.

The invention discloses a ready-to-use puerarin ophthalmic gel preparation belonging to the field of traditional Chinese medicines. The active ingredient of the preparation is puerarin, and the gel base material of the preparation mainly comprises gellan gum accounting for 0.4-0.7 percent of the total weight. The technical scheme overcomes the deficiencies that the prior puerarin ophthalmic preparation has low bioavailability, inconvenient use, short retention time, and the like and has the effects of reducing dose, prolonging the retention time in eyes, having convenient use and accurate dose, and the like.

The invention discloses a fast scintillation glass and a preparation method thereof which can be applied in the fields of high energy physics, nuclear physics, nuclear medicine, geophysics, industrial detection and the like. The invention is a kind of scintillation glass material with silicate glass or germanate glass and other heavy metal oxides as the main components, introducing high-concentration zinc oxide (ZnO) as the luminescence center, and its preparation method includes (a) glass batch material Preparation, (b) melting of batch materials, (c) heat treatment and other three steps. The obtained glass is subjected to surface grinding and polishing treatment for fluorescence performance test. The results show that this series of glasses has the characteristics of simple melting process, strong glass forming ability, easy density adjustment, and high concentration of luminescent center ions, which is different from the existing cerium (Ce 3+ ) compared with fast scintillation glass, it has the characteristics of good ultraviolet transmission performance, fast attenuation, and high fluorescence intensity.

A method for using iron-based amorphous alloy to activate persulfate to degrade pigment wastewater, relates to a method for treating wastewater, the method first prepares Fe78Si9B13 amorphous alloy powder dispersion liquid, and selects iron-based amorphous alloy as Fe78Si9B13 amorphous Alloy powder, its composition and atomic percentage are: 78%Fe, 9%Si, 13%B; then Fe78Si9B13 amorphous alloy powder dispersion and sodium persulfate solution are mixed to form a mixed solution, and finally the above-mentioned The mixed solution utilizes sulfate radical free radicals produced by activation in the mixed solution to oxidize and degrade the dye wastewater; the invention has simple process and convenient operation, and the catalyst iron-based amorphous alloy is relatively simple to prepare and easy to recycle and reuse.

The invention discloses transparent Sr3Al2O6-SrAl2O4 glass ceramic and a preparation method thereof. The glass ceramic comprises Sr3Al2O6 and SrAl2O4. The method comprises the following steps: takingSrCO3-Al2O3 as a reaction system, obtaining a material component with high glass formation ability via exploration, and obtaining a glass precursor which is spherical transparent glass of an SrO-Al2O3system via laser heating and aerodynamic levitation; obtaining the transparent Sr3Al2O6-SrAl2O4 glass ceramic via pressure sintering and controlled crystallization, which adopts transparent glass ceramic comprising Sr3Al2O6 and SrAl2O4. The method breaks through the limitation of the traditional technology, ensures that bulk transparent glass ceramic is rapidly and effectively obtained, and provides advantageous selection for the subsequent glass crystallization or other applications.

The invention relates to a cobalt-based bulk amorphous alloy and a preparation method thereof. The alloy comprises the following components by atomic percentage: 33 to 55 percent of Co, 13 to 34 percent of Fe, 18 to 26 percent of B, 2 to 7 percent of Si, and 3 to 8 percent of Nb. Cobalt-based bulk metallic glass is proportioned according to the atomic mol ratio as required by the components, thenthe glass is forged for a plurality of times in a vacuum arc furnace, and the bulk amorphous alloy is prepared by casting in a vacuum copper mold. The bulk amorphous alloy has strong amorphous forming ability and excellent soft magnetic property, the size of the prepared amorphous material is not less than 3 millimeters at each dimensionality, the maximum size can reach 5 millimeters, the coercive force is between 1.17 and 2.35 A / m, and the maximum effective magnetic conductivity can reach 36,000 (1KHz 1A / m). The cobalt-based bulk amorphous alloy can be applied to magnetic devices in the fields of information, communication and the like.

The invention relates to roxatidine acetate pharmaceutical drug-loading salt sustained-release pellets. A coating liquid of a sustained-release layer comprises a sustained-release material, a pore-forming agent, a plasticizer and a coating solvent, wherein the coating solvent is a 70-100% ethanol aqueous solution by mass, and the sustained-release pellets have good dissolution characteristics andquality stability.

The invention relates to micronized roxatidine acetate pharmaceutical salt pellets. The pellets comprise a blank pellet core and a drug-loading layer, wherein the drug-loading layer contains micronized rosatidine acetate pharmaceutical salt, the rosatidine acetate pharmaceutical salt can improve the actual content of active ingredients in the drug-loading pellets after micronization treatment, thetechnical problem that the actual drug-loading amount of the drug-loading coating is relatively low, and the content stability of a final product is improved.

The invention belongs to the technical field of amorphous alloys, and provides a manganese-based amorphous alloy and a preparation method and application thereof. The chemical general formula of the manganese-based amorphous alloy is MnxSiyBz, wherein 65<=x<=84, 6<=y<=25, 5<=z<=12, and x+y+z=100. The Mn-Si-B ternary system manganese-based amorphous alloy has excellent amorphous forming ability and thermal stability, and meanwhile keeps the maximum manganese content, the characteristic contribution of the manganese element to the manganese-based amorphous alloy can be fully exerted, and a material basis is provided for further research on the microcosmic nanostructure and potential abundant characteristics of the manganese-based amorphous alloy. In addition, the manganese-based amorphous alloy further has good flowability and oxidation resistance, preparation can be achieved through a rapid quenching melt-spinning method, the production efficiency of the manganese-based amorphous alloy is greatly improved, and then large-scale application of the manganese-based amorphous alloy is promoted. The manganese-based amorphous alloy is expected to be applied into catalytic materials or magnetic materials.