41results about How to "Regulation uniformity" patented technology

The invention provides corrosion-resistant multi-coating neodymium iron boron and a preparation process. The corrosion-resistant multi-coating neodymium iron boron is composed of a neodymium iron boron permanent magnet and multiple coatings arranged on the outer surface of the neodymium iron boron permanent magnet, the multiple coatings sequentially include a nickel-plated layer, a dysprosium-plated aluminum alloy thin film layer and a nickel-chromium composite coating, thickness of the nickel-plated layer is 10-15um, thickness of the dysprosium-plated aluminum alloy thin film layer is 10-20um, and thickness of the nickel-chromium composite coating is 6-10um; modification of the multiple coatings can be realized on the surface of the permanent magnet, binding strength between the coatings and a permanent magnet base is guaranteed, the defect that the coatings are thin and poor in corrosion resistance and wear resistance caused by single process is overcome, and the corrosion-resistant multi-coating neodymium iron boron prepared by the process has high corrosion resistance and wear resistance.

A non-woven, randomly oriented polyester fiber cushion is provided with conditioned air to regulate a temperature of the cushion assembly. The overlapping fibers form interstices through which the air is blown. The air flows through the fibers in a tortuous path.

The invention discloses a printed pixel bank structure and a preparation method thereof. The pixel bank structure comprises a substrate, a pixel electrode and a pixel bank, wherein the substrate, the pixel electrode and the pixel bank are successively arranged from bottom to top. The pixel bank is obtained through stacking at least three bank layers. The lyophobicity of at least three bank layers gradually increases from bottom to top, and lyophily gradually reduces from bottom to top. According to the printed pixel bank structure, the pixel bank is formed through stacking at least three bank layers with different lyophily and different lyophobicity. Through designing the multiple bank layers, a plurality of boundaries with different lyophily and different lyophobicity can be formed, thereby forming pinning points at different positions for different kinds of ink, and effectively controlling uniformity of different printing film layers.

The invention provides a method for preparing silicon dioxide coated noble metal nanocrystalline, and belongs to the technical field of a nanocrystalline preparation method of a core-shell structure. The method comprises the steps: mixing noble metal nanocrystalline aqueous solution modified by mercaptocarboxylic acid with alcoholic solution to obtain a mixed solution; adding ammonium hydroxide and n-ethyl acetate into the mixed solution, stirring to obtain a reaction mixture; centrifuging and dissolving the obtained reaction mixture to obtain the silicon dioxide coated noble metal nanocrystalline. According to the method, the silicon dioxide is coated at the surface of the noble metal nanocrystalline to form the core-shell structure; the mercaptocarboxylic acid is used as a bifunctional molecule and can modify the noble metal nanocrystalline with different phases or the surface of the noble metal nanocrystalline with different forms. The preparation method is simple, and the nanocrystalline of the composite core-shell structure is stable.

The invention relates to a strontium titanate-titanium dioxide composite nanotube array film and a preparation method and application thereof. The film is obtained through direct growth on a conductive glass substrate with a three-step hydrothermal method; hydrothermal synthesis of titanium dioxide nanorods is carried out in the first step, the titanium dioxide nanorods are etched to generate titanium dioxide nanotubes in the second step of hydrothermal treatment, strontium hydroxide serves as a strontium source in the third step of hydrothermal reaction, and finally the composite film with perovskite type strontium titanate nanoparticles uniformly distributed on the surface of the titanium dioxide nanotube array is obtained, wherein the titanium dioxide nanotubes are vertically arrayed on the conductive glass substrate. The composite film can serve as an anode material of solar cells or serve as a photocatalyst for degradation treatment of photolysis water or organic matter. The three-step hydrothermal method is adopted for in-situ synthesis, the preparation process and needed equipment are simple, the controllability is high, and production is safe, free of toxin and environmentally friendly; by assembling the film into solar cells, the sunlight capturing capability of photoanodes can be improved, and the photoelectric conversion efficiency can be improved.

The present invention relates to flexible polyimide foam and a preparation method and applications thereof. The flexible polyimide foam is obtained by foaming a block/plate-shaped polyimide foam precursor containing slow-release components of a foaming agent; and the flexible polyimide foam has the average density of 14.7-47.7 kg/m<3> and the pore size of 130-530 micrometers. The flexible polyimide foam disclosed by the invention has the beneficial effects that by adopting a foaming form of a polyimide (PI) precursor block/plate, the problem of large density deviation in the thickness direction, of a polyimide precursor powder foaming method, can be effectively solved and the product yield of the foam made from the prepolymerized powder is improved; by adopting the PI precursor containingthe slow-release components and by regulating and controlling the type and the using amount of the slow-release components of the foaming agent, the density of the PI flexible foam can be adjusted andcontrolled, so that the foaming process window is wider and the pore size of the foam is more uniform; and meanwhile, by adopting the polyimide precursor plate, the water absorption rate can be effectively reduced and the storage time of the material is prolonged in the preservation process, so that the quality stability of the final foam product is improved.

Provided are a branching air supply device and a refrigerator with the branching air supply device. The branching air supply device comprises a housing, a plurality of airflow passages provided in parallel being defined in the housing; a plurality of baffle plates, each baffle plate being movably mounted to the housing and being configured to perform complete blocking, partial conducting or complete conducting of one airflow passage in different positions; and a linkage device movably mounted to the housing and configured to move each of the baffle plates intermittently when the linkage device moves. The branching air supply device and the refrigerator can perform uniform adjustment for cooling air, according to cold requirements for different storage compartments or cold requirements for different positions of one storage compartment.

The invention relates to a quantum dot colour film substrate and a display device. The quantum dot colour film substrate comprises a substrate and one or more quantum dot film layer units arranged onthe substrate, wherein each quantum dot film layer unit comprises a nanoporous framework and quantum dots arranged on the nanoporous framework. As the excited quantum dot film layer units can generatelight with different wavelengths to match the colours of different pixel units, the colour effect can be controlled, and meanwhile, the utilization rate of a light source is improved; meanwhile, thequantum dot film layer units comprise the nanoporous frameworks and the quantum dots arranged on the nanoporous framework, so that the nanoporous frameworks can be used for orderly adjusting and controlling the distribution conditions and the sizes of the quantum dots, thus making the quantum dots more uniform, stable and ordered; and therefore, a luminescent spectrum, as well as the distributionand uniformity of the colours are orderly adjusted and controlled; the colour gamut is widened; and the better colour displaying effect is realized.

The invention provides atomic layer deposition equipment and a process method. The atomic layer deposition equipment comprises a cavity, heating tables, carrying discs, a hollow assembly, a bottom extraction opening and a spray head assembly, wherein the carrying discs are located on the top surfaces of the heating tables and are used for bearing a base material, and the carrying discs and the hollow assembly can form an upper extraction path. According to the atomic layer deposition equipment and the process method, a process fluid (such as a precursor) is slowly extracted through the upper air extraction path, a flow field of the process fluid can be stably regulated and controlled, and then the base material in the atomic layer deposition process can be uniformly deposited by the precursor.

The invention relates to the technical field of metal surface passivating treatment, in particular to a zinc layer trivalent chromium iridescent passivation treating fluid used under normal temperature and a usage method thereof. Based on calculation per liter, the zinc layer trivalent chromium iridescent passivation treating fluid consists of 15-20g of chromium trichloride, 5-10g of sodium nitrate, 8-15g of propane diacid, 15-20g of citric acid, 5-10g of sodium dihydrogen phosphate, 8-15g of thiourea, 0.8-1.5g of ferrous sulfate, 0.6-1.0g of cerium sulfate and the balance of deionized water.Under a continuous stirring condition, the chromium trichloride is dissolved in a part of the deionized water, the sodium nitrate, the propane diacid, the citric acid, the sodium dihydrogen phosphateand the thiourea are sequentially added and fully dissolved, the cerium sulfate is added and stirred to completely dissolve, the ferrous sulfate and the remaining deionized water are added, and the zinc layer trivalent chromium iridescent passivation treating fluid is obtained after standing. The zinc layer trivalent chromium iridescent passivation treating fluid has the characteristics of being capable of performing normal temperature treatment, simple and convenient, easy to control, stable and the like, and a colored passive film bright, uniform and compact, and good in corrosion resistancecan be obtained by passivating an encapsulated galvanized sample under the condition that PH (potential of hydrogen) value is 2.2 in a laboratory.

The invention relates to a display panel and a display device. The display panel comprises a control backboard, a light-emitting unit, a packaging layer and a light sensor array, wherein the light-emitting unit comprises a quantum dot film layer. Because the quantum dot film layer can be excited to generate light with different wavelengths to control the color effect, the utilization rate of a light source is improved. The quantum dot film layer comprises a nano-porous frame and quantum dots arranged on the nano-porous frame, so the arrangement condition of the quantum dots and the size of thequantum dots can be adjusted and controlled in order through the nano-porous frame, and the quantum dots are more uniform, stable and ordered, so as to adjust and control the light-emitting spectrum,color arrangement and color uniformity, widening the color gamut, and achieving a better color display effect. Therefore, the light sensor array is combined with the quantum dot film layer, and a sensing image with higher quality and richer colors can be obtained.

An automatic feeding dispenser (100) for poultry breeding is described, comprising in general a cylindrical feed supply conduit (10), an accumulation tray (20) to supply the feed to poultry and a shutter (30) having at least one cylindrical portion (35), outer sliding and rotatable with respect to the supply conduit (10). The cylindrical portion (35) of the shutter (30) and the cylindrical supply conduit (10) are coupled and free to slide between one another by means of a protuberance (231, 31) engaged in a groove (11, 211). The groove (11, 211) is shaped to provide two bearing seats at different heights, respectively an upper height and a lower height. The upper bearing seat of the two bearing seats is defined by a bump (215) that can be surmounted by the protuberance (231, 31) by elastic deformation of part of the cylindrical supply conduit (10) and/or part of the cylindrical portion (35) of the shutter (30) following an upward or downward thrust exerted on the shutter (30) with force sufficient to exceed the elastic reaction of part of the cylindrical supply conduit (10) and/or part of the cylindrical portion (35) of the shutter (30).

The invention discloses a non-contact magnetic measuring element, which relates to a detection control system. The technical scheme of the non-contact magnetic measuring element is as follows: the non-contact magnetic measuring element measures electrical pulse signals formed by the running of a fan blade; then the electrical pulse signals are subject to filtering isolation and pass through a trigger and a catcher; and finally, the processed electrical pulse signals are output to an MPU (micro processing unit) system to count, thereby obtaining the revolving speed value of the fan blade. The non-contact magnetic measuring element provided by the invention has the beneficial effects that because of adopting the technical scheme, the measuring element can measure the revolving speed value of the fan blade, and control the uniformity of a temperature field, thereby guaranteeing the consistency of temperatures of hatching eggs and the birth rate of the hatching eggs.

The invention provides a roll-type strip filamentation system. The roll-type strip filamentation system is characterized by comprising a feeding trolley for transferring strip rolls; the unwinding machine is connected with the feeding trolley in a matched mode and controls the strip coil to unwind the strip; the threading mechanism is connected with the unreeling machine in a matched mode and controls threading of the strip; the traction mechanism is connected with the threading mechanism in a matched mode and controls the strip to move; the moisture regaining and/or feeding mechanism is used for regaining moisture and feeding the front and back surfaces of the strip during traction; the fixed-width slitting mechanism is connected with the traction mechanism in a matched mode and controls the strips to be slit into tows in a fixed-width mode; the tow gathering mechanism is connected with the fixed-width slitting mechanism in a matched mode and controls gathering of the fixed-width slitting tows; the fixed-length slitting mechanism is connected with the tow gathering mechanism in a matched mode and controls the tows to be slit into tow sections in a fixed-length mode. Double-sided moisture regaining and/or feeding, fixed-width slitting, tow gathering and fixed-length slitting into tow sections with the width of 0.5 mm are completed, and the filling rate and sensory quality of cigarettes are improved.