32results about How to "Realize free regulation" patented technology

The invention proposes a preparation method of a monodisperse porous silica sphere material. The preparation method comprises the steps: (1) dissolving a surfactant and a catalyst in water, performingstirring at high speed until clearness of a solution, dissolving a silicon source in an organic solvent so as to obtain an organic solution, and adding the organic solution to the clear solution so as to form an oil-water mixed-phase system; (2) performing a reaction on the oil-water mixed-phase system at a temperature of 40-80 DEG C so as to obtain monodispersed nanospheres; and (3) removing thesurfactant in the monodispersed nanospheres so as to obtain the monodisperse porous silica sphere material. The oil-water two-phase miscible reaction system is adopted, the highest pore diameter of the obtained inorganic silica spheres can reach 70 nm due to the pore-expanding effect of an organic phase, and meanwhile, the pore diameter of the inorganic silica spheres can be regulated, so that the pore diameter of the inorganic silica spheres is regulated freely within a range of 15-70 nm.

The invention discloses a profile control agent and its synthesis method and application. The synthesis method of the profile control agent includes: (1) performing bulk polymerization after mixing the oil production sludge with the first water phase, granulating, drying, crushing and sieving the rubber block obtained by the bulk polymerization to obtain different granules (2) mixing the solid particles with the second water phase to obtain a granular solid whose particle diameter is greater than that of the solid particles; (3) mixing the granular solid After being mixed with the oil phase, the emulsion polymerization is carried out, and the emulsion polymerization product is separated to obtain the profile control agent; the oil production sludge is a product obtained by drying the sludge generated in the process of oil field water treatment after deoiling. The profile control agent synthesized by the method can obtain different particle sizes, and the obtained profile control agent has better strength and performance effects.

The invention provides a preparation method for a functional micro-spiral. The method comprises the following steps: (1) injecting internal-phase, intermediate-phase and stable-phase fluids into a microfluid device, forming a monodisperse oil-in-water or water-in-water emulsion in a transition tube, enabling the monodisperse oil-in-water or water-in-water emulsion to enter a conversion tube, changing the stable-phase fluid into external-phase fluid after flowing is stable, cross-linking sodium alginate in the emulsion and calcium chloride in the external-phase fluid to form calcium alginate fibers, subjecting the calcium alginate fibers to spontaneous spiralization in the conversion tube to form spiral fibers, and subjecting oil cores or water cores of the spiral fibers to stretching at aconical outlet of the conversion tube and spiralization due to restriction of calcium alginate shells of the spiral fibers, so as to form a liquid droplet micro-spiral template; and (2) initiating polymerization of macromolecular monomers in the liquid droplet micro-spiral template to form a calcium alginate shell encapsulated functional micro-spiral, carrying out dissolving to remove a calcium alginate shell, so as to release the functional micro-spiral. According to the method, the continuous controllable preparation of the functional micro-spiral is achieved, and micro-spirals with diversified functions can be prepared.

The invention discloses a continuous annealing device for thermochromic coating materials on sheet-like substrates, which includes a working platform, which is provided with a feeding area, a working area and a feeding area; and also includes a transmission mechanism, which passes through the The entire feeding area, working area and unloading area; in the working area, a heat treatment chamber and several vacuum chambers are arranged on the working platform; the heat treatment chamber is arranged between the vacuum chambers and separated from the vacuum chamber by a sealing device ; The heat treatment chamber includes a working cavity, the working cavity is a double-layer structure, including an inner cavity and an outer wall, a cooling interlayer for flowing coolant is provided between the inner cavity and the outer wall, and the inner surface of the inner cavity is coated with a heat-absorbing coating layer; the heat treatment chamber communicates with the vacuum pump group. The invention can process workpieces of different sizes at the same time, and the temperature in the device can be freely adjusted from room temperature to 700°C, greatly shortening the production time of annealing to meet the needs of mass production.

The invention discloses a preparation method for a mesoporous silica nano hemisphere material. The preparation method comprises the following steps: (1) dissolving a surfactant and a catalyst into water, stirring until a clear solution; adding graphene substrate into the clear solution to obtain a black solution; dissolving a silicon source into the organic solvent to obtain an organic solution; adding the organic solution into the black solution to obtain a two-phase layering system; (2) reacting the two-phase layering system at temperature being 40-80 DEG C to obtain a mesoporous hemispheregrown on the graphene substrate; and (3) under air atmosphere, removing the surfactant and the graphene substrate of the mesoporous hemisphere to obtain the mesoporous hemisphere nano material. The preparation method adopts an oil-water two-phase reaction system; as a result of the hole-expanding effect of the organic phase, the mesoporous hole diameter of the obtained hemisphere is increased much; and the hole diameter of the hemisphere is controlled by regulating parameters of the organic phase, so that free control on the hole diameter being 2.5-25 nm is realized.

The invention discloses a design movable display stand and belongs to the field of commodity display equipment. The design movable display stand comprises arched bases, wherein two groups of arched bases are set; each group comprises two symmetrical arched bases; upper and lower end faces of each arched base are parallel; when four arched bases are folded, the top end faces thereof are exactly spliced into a complete round surface; a universal wheel is mounted at the bottom end of each arched base; inclined notches are set on inner side faces of the two groups of arched bases; drive motors arefixed in the notches on a group of arched bases; a threaded rod is fixed on the top end of each drive motor; an inclination angle of each threaded rod is equal to that of the notch at the corresponding side; and bases are in threaded sleeving on the two threaded rods. According to the design movable display stand, through work of the drive motors, the bases in threaded matching with the threadedrods are driven to lift up and down, and the four arched bases are stretched through up and down lifting of the bases, so the display stand is used flexibly.

The invention discloses a preparation method and application of an anti-blue-ray film. The method comprises the following steps: 1) preparing a composite microsphere having a core-shell structure; and2) carrying out mirror rolling or one-way hot-pressing on the prepared composite microsphere to obtain a function film having an anti-blue-ray effect. The composite microsphere having the core-shellstructure is formed by a core, a transition layer and a shell from the inside out in sequence. The core is made of a spherical material, which is uniform in size, and deviation of which is less than 10%. The size of the spherical material is in a submicron range, and specifically refers to microspheres in 150-200 nm, which has higher reflection for blue rays in 380-420 nm. The beneficial effects are that the method adopts a pure chemical process to endow the film with the characteristics of multiple functions, and especially in the optical property of the thin film, free regulation of the solar spectrum is realized, such as control of visible light and high barrier of near infrared; and the anti-blue-ray film can be widely applied to fields of buildings, cars, ships and electronics and thelike.

The invention relates to the method for adopting metastructure surface to realize intermediate infrared invisibility. The method comprises steps of adopting a metastructure flat material surface, performing regulation and control on the amplitude and the phase on the incident light in order to control the information carried by the outgoing information so as to realize the invisibility of a two-dimension transparent object in a specific position, utilizing an existing optical simulation program to calculate the light field amplitude distribution of the position where the flat material is positioned according to the given two-dimension transparent object transmittance rate function and device positions, linearity information of a nanometer antenna and parameter information of an optical system which is practically constructed, and performing arrangement on the antenna array on the surface of the material according to the obtained complex amplitude distribution information in order to achieve the visibility effect. Compared with the traditional optical invisibility method, the invention is simple and fast and is low in complexity of manufacturing the device.

The invention discloses a holmium ferrite-based terahertz supermaterial, a preparation method thereof and an optical device. The preparation method of the holmium ferrite-based terahertz supermaterial comprises the following steps: (1) weighing iron oxide and Holmium oxide is mixed to form a raw material mixture, and then sintered for the first time to form a holmium ferrite-based material; (2) shaping the holmium ferrite-based material. The present invention uses iron oxide and holmium oxide as raw materials to prepare an all-dielectric-based metamaterial with an adjustable ratio of Ho atoms to Fe atoms, which can more flexibly regulate the amplitude and frequency of the terahertz metamaterial, and also avoids the existing use of The problem of high absorption loss of electromagnetic waves caused by noble metal metamaterials.

The invention discloses a metasurface polarization regulator. The metasurface polarization regulator is composed of five structural layers. The top layer and the bottom layer are period metal micro-structure layers, the middle layer is a metal film layer, and the top layer, the bottom layer and the middle metal layer are separated by the insulating medium layers. The regulator works in a near infrared band, and the whole thickness of a system is far smaller than the working wavelength; the transmission rate of normal incidence electromagnetic waves is higher than 80%; as geometric parameters of the structure and the physical performances of relative materials are adjusted, the whole phase interval of 0-360 degrees can be covered with the phase difference between transmitted waves of an x component and transmitted waves of a y component, and therefore free adjustment of the polarization state of the electromagnetic waves can be achieved; for example, the transmission polarization state of electromagnetic waves transmitted through linear polarization can be transformed into the circular polarization state, the elliptical polarization state or the linear polarization state or even the complete polarization inversion state.

The invention provides a TaN-based Josephson junction and a preparation method thereof. The preparation method includes: providing a substrate, forming an NbN bottom layer film, a metal TaN barrier layer, and an NbN top layer film, etching to define a bottom electrode and a junction region, and forming an isolation layers and wiring layers. The invention forms a metal TaN barrier layer through an ion nitriding process to obtain a Josephson junction of SNS structure, which can improve the stability of the resistivity of the barrier layer without parallel resistors, and solves the problems of SIS Josephson junction magnetic flux noise and integration , improve the repeatability and stability of the process, the resistivity and thickness of the barrier layer material can be freely adjusted by parameters such as ion nitriding time and power, effectively avoiding the formation of an insulating layer at the S / N interface, and the surface smoothness is high And the nitriding uniformity is good, which improves the characteristic voltage I of the SNS junction c R n Small defects that limit the high-frequency application of devices are conducive to the development of high-quality NbN SNS Josephson junctions.

Light guide plate and backlight module. The present invention provides a light guide plate, including a light guide substrate, characterized in that a fixed layer is provided under the light guide substrate, and dots are distributed on the lower side of the light guide plate, and each dot includes a reflective magnet, a carrying plate and an electromagnet group, the carrying plate is arranged in the light guide substrate, the reflective magnet is movably arranged in the carrying plate, the electromagnet group is arranged in the fixed layer, the The electromagnet group is used to drive the reflective magnet to move in the carrying plate to change the size of each dot.