142results about How to "Meet uniformity requirements" patented technology

The invention provides a cobalt-chromium alloy artery stent with full-biodegradation medicine coating; the full-biodegradation coating of the stent has good stent flexibility, pathological change permeability and radial bearing force; the invention further provides a preparation method of the stent; multi-level coating applying technology, metallic support surface inert gas processing process and the like are adopted, the firmness of the stent surface coating, the toughness and tensile strength thereof are greatly improved, thereby being beneficial to keeping the integrity of the coating; in addition, the invention provides a cobalt-chromium alloy artery stent with full-biodegradation medicine coating, which is prepared by radial grading squeezing process, the damage of the coating can be avoided to the greatest extent, the retention force between the stent and a conveying system is greatly improved, the possibility that the stent is migrated in the conveying process is avoided, the clinical using risk is reduced, and the problems of coronary artery stenosis and restenosis are effectively solved.

The invention discloses a graded traditional Chinese medicine crushing device, which comprises a tower body. The inner chamber of the tower is provided with a partition crushing plate. The partition crushing plate divides the tower body cavity into a crushing chamber and a grinding chamber. The top of the rod passes through the tower body and is fixedly connected to the motor shaft of the crushing motor. The middle part of the crushing rod is uniformly equipped with a number of first crushing blades, and the bottom end of the crushing rod is uniformly equipped with a number of second crushing blades in the circumferential direction. The grinding chamber is provided with a grinding plate body, the bottom end of the grinding plate body is provided with a grinding chamber, the grinding chamber is provided with a grinding body, and the grinding body is fixed on the motor shaft of the grinding motor through a rotating shaft; The crushing device grinds and pulverizes the traditional Chinese medicine, and under the screening of the filter screen, it meets the uniformity requirements; the primary pulverized Chinese medicine particles are ground and pulverized under the joint action of the grinding chamber and the grinding body, so that the Chinese medicine particles are further finely crushed, Improve the crushing effect and ensure the crushing quality.

The invention discloses a device and method for detection efficiency calibration of a xenon sample HPGe. The device comprises a radioactive source, a plurality of polyethylene boxes and a detector, wherein the polyethylene boxes are different in height and contain air samples. The radioactive source comprises a 133Ba surface source and a 137Cs point source. A surface area aluminum substrate is used as an upper absorption layer. The 137Cs point source is located in the central position on the upper surface of the 133Ba surface source. The 133Ba surface source is located above the polyethylene boxes containing the air samples. The upper surface and the lower surface of each polyethylene box are used as lower absorption layers. The detector comprises a crystal, an aluminum outer shell and a carbon material window, wherein the aluminum outer shell is located outside the crystal, and the carbon material window is located on the aluminum outer shell and located above the crystal. The polyethylene boxes are placed above the window of the detector. According to the device and method for detection efficiency calibration of the xenon sample HPGe, the height of the adopted radioactive source is increased in an evenly-spaced mode, the 133Ba surface source is used for replacing a 133Xe sample to conduct efficiency calibration, the peak efficiency of the 137Cs point source is used for correcting correction factors conforming to the addition of the peak efficiency of the 133Ba surface source, and the technical problems that an existing detection efficiency calibration method is quite high in requirement for activity of the source, the self-absorption problem exists in rays, and larger uncertainty exists are solved.

This invention relates to rotary spray flow adjusting device, which comprises at least two round discs and several relative groove sets, wherein the said two round discs are overlapped together and the groove sets are separately formed on the round discs located on the spray head. The groove sets are connected to the exit mouth of the spray to control the groove connection area and to control flow volume through the spray.

The invention relates to organic electroluminescence technique filed, especially a encapsulation method of organic electroluminescence element and encapsulation equipment with the method. Back cover is superposed with base piece and then placed in a encapsulated cavity, thereinto surface of back cover which is smeared with gluewater faces the surface of base piece plating film; then, encapsulated cavity is vacuumized, and vacuum degree of encapsulated cavity is maintained within a fixed range, positioning framework of back cover or base piece is released, the two is joint under function of gravity; then, encapsulated cavity is charged, the back cover and base piece are pressed together under pressure, the gluewater is pressed evenly; at last, the gluewater is solidified, the encapsulated cavity is open, and element encapsulated is pick out. The invention can resolve problem that equality of width of glue line is poor, and affect of smoothness of clamp surface to encapsulation can be eliminated.

The invention provides planting equipment with multicolor supplementing lamps, and belongs to the field of planting equipment. The planting equipment with the multicolor supplementing lamp comprises a support and a controller arranged on the outer side wall of the support, large driven sprockets are arranged at the upper end of the support, large driving sprockets are arranged at the lower end of the support, the corresponding large driven sprocket and large driving sprocket on each side are connected through a transmission chain, multiple suspending rods are horizontally arranged in the support, wherein the two ends of each suspending rod are suspended to the two transmission chains, and multiple cultivation containers are arranged on the suspending rods through suspending ropes in a suspended mode; the equipment is further provided with the long-strip four-color supplementing lamps, and the colors are red, yellow, blue and white respectively; the equipment is further provided with a water supplementing system which can supplement water for cultivated plants; by means of the water supplementing system, the evenness and the stability of plant water supplementing can be achieved, so that not only are water resources saved, but water can be precisely supplemented; the supplementing lamps are capable of evenly supplementing required light for the plants, so that synthesis of chlorophyll and biological enzyme of the plants is accelerated, differentiation of plant cells is promoted, plant growth is accelerated, and the requirements of nighttime even illumination of the plants can be met.

A method for manufacturing grid lines with high uniformity through double exposure comprises the following steps: depositing a polycrystalline silicon film, an amorphous carbon film and a carbonaceous silicon oxide film and coating a first photoresist; carrying out exposure and development to form a first grid line structure in the films of the first photoresist; coating alkyl-amino solidification materials to solidify the first grid line structure in the first photoresist, heating to enable solidification materials and the surface of the first photoresist to react, so as to form isolation films undissolved in a second photoresist, and removing residual solidification materials; coating the second photoresist; forming a first line end cutting pattern in second photoresist films; etching the isolation films and first grid lines to form a second line end cutting pattern, and then removing the second photoresist; etching the carbonaceous silicon oxide film, the amorphous carbon film and the polycrystalline silicon film in sequence by taking the residual isolation films and the first grid lines as masks, and removing the residual carbonaceous silicon oxide film and the amorphous carbon film, so as to form a second grid line structure on a polycrystalline silicon film layer.

The invention discloses a medical accelerator beam automatic centring control system. The centring of the medical accelerator beam can be rapidly and effectively realized, the uniformity of treatment filed dosage can be improved, and the reliability is good. An ionization chamber is divided into a main ionization chamber and symmetrical branch ionization chambers, the deviation beam signal in the X or Y direction of the medical accelerator ray beam is detected by the branch ionization chambers, the deviation beam signal is amplified and rectified, and then the error value of the dosage rate symmetry between the two symmetrical branch ionization chambers is calculated, By changing the medical accelerator output-oriented power supply, the dosage rate symmetry error is corrected, so that the medical accelerator beam can meet the uniformity requirement in the treatment filed.

The invention discloses a piece of combined insulator hardware and a production method thereof. A standard joint of the combined insulator hardware and a connection bar adopt a split type structure and are fixed together by friction welding. The connection bar and a seal-adhesive seat of the insulator adopt an integrated structure or a split type structure; the connection bar and the seal-adhesive seat are fixed together by friction welding if the connection bar and the seal-adhesive seat adopt a split type structure. The standard joint is a Y-shaped double-ear or a ball head or a ball socket or a U-shaped double-ear or a straight line shaped single ear or a hanging ring-shaped single ear. The production method is that: according to the application characteristics of the specific parts of the hardware, a piece of hardware is divided into two or three parts and respectively produced to satisfy different strength and hardness requirements; then all the parts are fixedly welded together by friction welding technique. By adopting the invention, industrialization of the production of the insulator hardware can be easily realized, product quality and qualified rate in production are enhanced, the working efficiency is improved, the management difficulty in production is reduced and good social and economical benefits can be achieved.

The invention relates to a light distribution method for a power type LED integrated module. A region segmentation method is adopted for achieving the purpose of even illumination of a target face, an illumination region projected to the road surface is lengthened, energy, projected to two regions, of emitted light is in asymmetrical distribution, in other words, the light projected to the sidewalk region is weak, and the light projected to the motor vehicle region is high. The light distribution method includes the steps that firstly, the emitted light of a light source is partitioned into a certain number of partition regions according to the angle, and a target face is correspondingly divided into multiple regions; secondly, the relation between the projection luminous flux in the adjacent angle ranges and the received light of the target illumination region is established; and thirdly, relative distribution of a light distribution curve at all angles is calculated according to the corresponding relation and the projection angle of the LED light source, finally, an integrated module lens curved surface is constructed according to the curve rate of the light distribution curve, and the space coordinate position of the optical curved surface of the lens module is solved. According to the light distribution method, uniformity of secondary light distribution of the LED integrated module is achieved, and therefore illumination and brightness distribution of the illumination region is uniform.

A method for manufacturing high-evenness grid electrode lines comprises the steps that polycrystalline silicon films are directly deposited on a substrate silicon slice in sequence, then a spin coating carbon film and first photoresist are directly arranged in a coating mode in sequence; exposure and development are carried out, so that the structure of a first grid electrode line is formed in a first photoresist film; the first photoresist is coated with solidification materials with thiocyanic acid salt compounds, cross-linking and solidifying are carried out on the structure of the first grid electrode line in the first photoresist, heating is carried out, so that the solidification materials and the surface of the first photoresist react to form a partitioning film which cannot be dissolved in second photoresist; the first photoresist after solidification is coated with the second photoresist; a first line end cutting pattern is formed in a second photoresist film; the second photoresist film is used as a mask film, the partitioning film and the first grid electrode line are etched, a second line end cutting pattern is formed; the surplus partitioning film and the first grid electrode line are used as a mask film, the spin coating carbon film and the polycrystalline silicon films are etched in sequence continuously, and the structure of a second grid electrode line is formed.

The invention provides a method for manufacturing a grid line with high uniformity through double exposure. The method comprises the following steps: sequentially depositing a polycrystalline silicon thin film, an amorphous carbon thin film and a silicon oxide thin film containing carbon, and then coating, so as to form a first photoresist for a hard film; performing exposure and development to form a first grid line structure in a first photoresist film; curing the first grid line structure, and heating, so as to enable a silanization material to react with the surface of the first photoresist to form an isolating film which is insoluble in a second photoresist; coating the second photoresist on the cured first photoresist; performing exposure and development to form a first line end cutting figure in a second photoresist film; etching the isolating film and a first line by using the second photoresist film as a mask, so as to form a second line end cutting figure; sequentially etching all films by using the rest isolating film and the first grid line as the mask, and finally forming a second grid line structure in the polycrystalline silicon thin film.

A method for manufacturing high-evenness grid electrode lines comprises the steps that polycrystalline silicon films are directly deposited on a substrate silicon slice in sequence, then a spin coating carbon film and first photoresist are directly arranged in a coating mode in sequence; exposure and development are carried out, so that the structure of a first grid electrode line is formed in a first photoresist film; the first photoresist is coated with amine compounds and/or polyamine compounds, cross-linking and solidifying are carried out on the structure of the first grid electrode line in the first photoresist, heating is carried out, so that the solidification materials and the surface of the first photoresist react to form a partitioning film which cannot be dissolved in second photoresist; the first photoresist after solidification is coated with the second photoresist; exposure and development are completed, a first line end cutting pattern is formed in a second photoresist film; the second photoresist film is used as a mask film, the partitioning film and the first grid electrode line are etched, a second line end cutting pattern is formed; the surplus partitioning film and the first grid electrode line are used as a mask film, the spin coating carbon film and the polycrystalline silicon films are etched in sequence continuously, and the structure of a second grid electrode line is formed.

The invention discloses a long-distance coal injection system which comprises an air supply device (2) connected with an injection tank (1), and has the key points that a buffer tank (4) provided with a pressure control valve (5) is also connected behind the air supply device (2); the buffer tank (4) is connected with a vertical raising pipe (8) by an inclined descent pipe (6); and an outlet of the vertical raising pipe (8) is connected with a blast-furnace tuyere (11) by a coal injection branch pipe (10). The vertical raising pipe (8) is provided with a gas nozzle (7), and compressed air or compressed inert gas is adopted for injection. As the buffer tank is arranged, the fluctuation of pulverized coal flow can be eliminated by the buffer tank after pulverized coal is conveyed into the buffer tank through the injection tank from a long distance, the requirement of a blast furnace for the uniformity of coal injection can be met, and the long-distance even injection of the blast furnace coal injection can be realized.

The invention relates to a production method of a mixed type feed additive, and particularly discloses a production method of a water-soluble iodine/selenium/cobalt premix agent. The production methodcomprises the following steps of A, preparing an iodine/selenium/cobalt saturated solution; B, measuring carrier powder, wherein the carrier powder has water solubility and water absorption properties; and C, in the mixing process, uniformly spraying the iodine/selenium/cobalt clarified solution fog to sealed mixing equipment, enabling the fog to be adsorbed by carriers, and performing uniform mixing so as to obtain the water-soluble iodine/selenium/cobalt premix agent. The production method disclosed by the invention has the advantages that the production method of iodine/selenium/cobalt premix agent suitable for being added to a liquid feed is provided; a manner of preparing a saturated solution and enabling the saturated solution to be adsorbed on the carriers in a sealed material mixer is adopted, so that the mixing uniformity is increased; and fully water-soluble carriers are selected for adsorbing the saturated solution, so that the mixing uniformity is high, and the water-soluble iodine/selenium/cobalt premix agent wholly dissolves in water and is particularly suitable for producing the liquid feed.

The invention discloses a slurry uniform filling system and a slurry uniform filling method for testing flow sedimentation law of filling slurry. The system comprises a test trough body, a control computer, a flow slurry funnel and a flurry uniform filling control system; the test trough body is provided with a first longitudinal rack and a second longitudinal rack, and a movable track beam is arranged along the length direction of the test trough body; the lower part of a lower filling pipe of the flow slurry funnel is provided with a wireless flow rate collector, and the wireless flow rate collector comprises a microprocessor module, a first wireless communication module, a signal conditioning circuit module and a flow rate sensor; the slurry uniform filling control system comprises a microcontroller module, a USB (universal serial bus) communication circuit module, a second wireless communication module, a liquid crystal display circuit module, a longitudinal motor drive device and a transverse motor drive device. The slurry uniform filling method comprises the following steps of I. formulating a blanking track of the flow slurry funnel; II. setting and transmitting blanking parameters; and III. Uniformly carrying out blanking on each blanking point through the flow slurry funnel. By adopting the slurry uniform filling system and the slurry uniform filling method, the test efficiency can be improved, and the filling uniformity of the slurry can be guaranteed.

The invention provides a cutting ring specimen maker and a use method thereof. The cutting ring specimen maker comprises a cutting ring, a cutting ring clamp groove, a base and a plurality of detachable casings, the cutting ring clamp groove is vertically and detachably connected with the casings through connectors, and the cutting ring is detachably arranged in the cutting ring clamp groove. The inner diameter of the cutting ring is as same as that of each casing, the height of the cutting ring is as same as that of the cutting ring clamp groove, the base comprises a liftable cylinder and a sleeve, the diameter of the liftable cylinder is as same as the inner diameter of each casing, and the liftable cylinder can lift up and down in the sleeve. Specimens made by the cutting ring specimen maker are more uniform. According to the use method of the cutting ring specimen maker, soil samples meeting requirements can be simply and accurately prepared.

The invention discloses a superconducting coil and a manufacturing method thereof. The method comprises the steps of integrally performing resin immersion on the superconducting coil, wherein certain gaps are arranged between each circle and layer of wound superconducting wires; and heating and solidifying resin to fix positions of the superconducting wires. According to the method, the resin immersion is performed on the superconducting coil in a vacuum environment, so that the resin can be distributed uniformly, and a resin immersion success rate can be raised. Distances between each circle of superconducting wires and between each layer of superconducting wires are preset distances during winding of the superconducting wires, so that the distances are controlled, and a requirement of magnetic resonance imaging for the uniformity of a basic magnetic field of the superconducting coil can be met.

The invention relates to a knob switch for a vehicle, include a housing and a knob, A PCB with a light emitter and a knob light transmission device are arranged in the housing, A light guide structureis arrange in that housing corresponding to the position of the light emit body, the light guide structure comprises a first light guide ring and a second light guide ring positioned below the firstlight guide ring, the bottom of the second diaphragm is provided with a plurality of diffusion portions along the circumferential direction of the bottom of the second diaphragm so as to diffuse the light emitted by the light emitter onto the second diaphragm, The upper surface of the second diaphragm is also provided with a saw tooth capable of uniformly scattering light to the lower bottom surface of the first diaphragm, and the first diaphragm is provided with a refractive part capable of refracting the upward transmitted light to the outer peripheral surface of a knob mounted on the firstdiaphragm. By adopting the technical proposal, the invention provides a vehicle knob switch which not only meets the requirement of uniformity, but also has high light source utilization ratio.

The invention relates to a combination method for an aviation heater, which is characterized in that a plurality of heating unit areas (3) are arranged on refractory supporting bricks in a hearth of a furnace, a spatial area (5) capable of holding heating element units (4) is arranged in each heating unit area (3) and divided into spatial positions capable of holding more than three heating element units (4), the heater can be formed by combining a plurality of heating unit areas (3) of the same structure or of different structures, and the heating element units (4) placed in the same heating unit area (3) are connected to a power supply after series connection. According to different spatial environments, different hearth sizes and different requirements on heat, combination forms can meet different requirements. As each spatial area (5) is divided into the spatial positions capable of holding six heating element units in various distribution modes, the combination method is even in heating and precise in temperature control.

The invention provides a nonlinear correction system used for a box-type heating furnace temperature field thermocouple. The heating furnace is divided into a plurality of temperature zones, wherein one circulating fan corresponds to one temperature zone, and multiple thermocouples are arranged in the effective distribution range of each temperature zone. By carrying out nonlinear correction on the thermocouples for temperature controlling, the requirement of temperature field uniformity for products in a production technology can be satisfied. The uniformity of the furnace temperature zones can be greatly improved after correction, which can meet the requirements of multiple alloy products to the temperature zones. As for the furnace with the plurality of temperature zones, the uniformity between the temperature zones can be ensured.