154results about How to "Affect uniformity" patented technology

A plasma source includes a chamber that contains a process gas. The chamber has a chamber top comprising a first section formed of a dielectric material that extends in a horizontal direction. A second section of the chamber top is formed of a dielectric material that extends a height from the first section in a vertical direction. A top section of the chamber top is formed of a conductive material that extends a length across the second section in the horizontal direction. A radio frequency antenna is positioned proximate to at least one of the first section and the second section. The radio frequency antenna induces radio frequency currents into the chamber that excite and ionize the process gas so as to generate a plasma in the chamber.

The invention provides automatic control multi-spray-head electrostatic spinning equipment, which comprises a high-voltage electrostatic generator, a receiving device and a lifting device and is characterized by also comprising an automatic control box, a dustproof transverse moving slide table, a multi-passage precise liquid supply pump and a self-cleaning type multi-spray-head device, wherein data interfaces of multi-passage precise liquid supply pump, the dustproof transverse moving slide table and the receiving device are respectively connected with the automatic control box, an injector is fixedly arranged at the multi-passage precise liquid supply pump, the self-cleaning type multi-spray-head device is connected with the front end of the injector, a bakelite plate covered with a conducting wire is fixedly arranged on a spinning head, a conducting clamp post is fixedly arranged on the bakelite plate covered with the conducting wire, and the high-voltage electrostatic generator is connected with the conducting clamp post. The automatic control multi-spray-head electrostatic spinning equipment has the advantages that the precision, integration and automation degree is high, the operation is simple, convenient, safe and fast, the production efficiency is high, and wide application prospects are realized in the industrial aspect of nanometer fibers.

An inspection method for inspecting beads provided on a tire building drum in process of production a pneumatic tire includes measuring a displacement amount in a radial direction on each of the beads lying axially on both sides of the drum with a distance sensor such as an eddy current sensor while rotating the drum, synthesizing displacement amounts so obtained on the beads on both the sides, calculating a harmonic of the displacement amounts in the radial direction of the beads by performing harmonic analysis on a resultant synthesized displacement amount, and determining whether the magnitude of the harmonic so calculated falls within a predetermined range.

The invention relates to a saline-alkali soil fruit tree planting method. The saline-alkali soil fruit tree planting method includes steps of taking common annual branchless fruit saplings for on-ridge root-limiting secondary culturing on land with soil property approximate to that of an orchard to be built or with the salt and alkali content lower by 0-30% than that of the common land, and applying nutrient soil to control salt by mixing in a sapling growing zone; preparing fulvic acid and naphthylacetic acid soluble powder into slurry which is used for wrapping the saplings before planting; increasing nutrient using microbial nutrition fertilizer in a sapling stage and improving resistance; performing measures like salt leaching, pressing and accumulating to improve sapling salt-alkali resistance at any time by controlling water, greatly improving salt and alkali resistance of saplings by a series of salt and alkali training, lifting the saplings and planting in the orchard to be built, dipping the saplings in the fulvic acid and naphthylacetic slurry again and broadcasting super-fine calcium carbonate in sapling holes. Various measure effects are outstanding, the survival rate of the saplings is remarkably increased in the salt and alkali area, the orchard is even, and the high yield can be realized in the second to third year and the quality is high.

The invention relates to a production process of an E-TPU (expanded thermoplastic polyurethane) shoe material. The production process of the E-TPU shoe material comprises the steps implemented in sequence as follows: a, material preparation: 75-92 parts of TPU foamed particles, 5.9-19 parts of glue A, 0.9-4.8 parts of glue B and 0.38-1.5 parts of an accelerator are prepared by weight; b, addition of the glue A: the TPU foamed particles and the glue A are stirred uniformly; c, addition of the glue B: the glue B is added after the materials in the step b are mixed uniformly, and the materials are stirred uniformly; d, addition of the accelerator: the accelerator is added after the materials in the step c are mixed uniformly, the materials are mixed uniformly, and the mixture is injected into a die cavity; e, foaming: the die cavity is moved into an oven, foaming molding is performed at 50-70 DEG C for 2-3 min, and the molded shoe material can be obtained. The TPU particles can account for 90%-92% by weight of the shoe material, the weight reduction limit of the current shoe material is reached, and the E-TPU shoe material has the characteristics of being ultralight, ultrahigh in elasticity, more environment-friendly, low in cost and capable of performing massaging.

The invention relates to the technical field of machining, and discloses a plate polishing paint spraying device for machining. The plate polishing paint spraying device comprises a first motor, a second motor, a third motor, a telescopic cylinder, a polishing machine, an air heater and a box body, wherein the output end of the second motor is fixedly connected with a third bevel gear, the third bevel gear is meshed with a fourth bevel gear, a plurality of rails are arranged on the lower side of the box body, a plate conveying mechanism is arranged on each rail, each plate conveying mechanismcomprises a supporting plate frame, a threaded shaft is rotatably connected with the upper side of each supporting plate frame, the threaded shafts are in threaded connection with a plurality of supporting frames, threads of the threaded shafts are symmetrically distributed about the center of the supporting frames, pressing bolts are arranged on the upper sides of the supporting frames, and a plurality of sliding rails are arranged on the upper side of the interior of the box body. The plate polishing paint spraying device is simple in structure, can realize polishing, paint spraying and paint drying processes of the plate, is high in automation degree, and high in grinding, paint spraying and paint drying efficiency, short in use time, capable of saving working time, and low in manufacturing cost, and has the usable value in the technical field of machining.

The invention discloses a cloth soaking, printing and dyeing device and a using method of the cloth soaking, printing and dyeing device, and belongs to the technical field of printing and dyeing. Thecloth soaking, printing and dyeing device comprises a dye box and a drying box, a through hole is connected between the dye box and the drying box, the dye box communicates with the drying box, a feeding hole is formed in the outer wall of the dye box, a discharge hole is formed in the outer wall of the drying box, the outer wall of the dye box is connected with a motor, the output end of the motor is connected with a first rotating shaft, the first rotating shaft is rotationally connected to the inner wall of the dye box, a second rotating shaft is rotationally connected to the inner wall ofthe dye box through a bearing, stirring blades are connected to the outer walls of the first rotating shaft and the second rotating shaft, cams are connected to the ends, away from the inner wall of the dye box, of the first rotating shaft and the second rotating shaft, and a connecting piece is fixedly connected between the two cams. With the technical scheme, the dye immersion into cloth can beaccelerated, so that the printing and dyeing efficiency is improved, meanwhile, the cloth can be rapidly dried, thus the situation that printing and dyeing are uneven after the cloth is rolled up is avoided, and the printing and dyeing effect of the cloth can be guaranteed.

A surface treatment process for aluminum alloy includes the steps of: providing an aluminum alloy substrate containing silicon element; evenly distributing the silicon element in the substrate by solution treating the substrate; removing the silicon element at/near the surface of the substrate by acid treating the substrate; forming a porous aluminum oxide film on the substrate by anodizing the substrate; and staining the aluminum oxide film. An aluminum alloy article treated by the process is also described.

The invention discloses a multifunctional graphene/PET composite film, and a preparation method thereof. The multifunctional graphene/PET composite film is prepared via melting film casting of a graphene/PET composite material; and the graphene/PET composite material is obtained via adding plicated ball shaped oxidized graphene and a catalyst into PET precursor and in-situ polycondensation. The preparation method is capable of avoiding stacking of oxidized graphane in esterification, reducing cost greatly, and increasing production efficiency. The obtained graphene is excellent in dispersibility in polymer matrix; adding of a small amount of graphene, the ultraviolet resistance, the static resistance, the oxygen isolation performance, and the steam isolation performance of the obtained multifunctional graphene/PET composite film are improved obviously. The preparation method is simple and effective; the obtained multifunctional graphene/PET composite film is excellent in performance, and can be used for preparing ultraviolet resistant film, food package, and protective coiled materials.

The invention belongs to the technical field of metallurgy, and provides a high-nitrogen composite alloy which is prepared from the following components in percentage by weight: 5 to 20 percent of nitrogen, 15 to 40 percent of titanium, 15 to 40 percent of niobium, 10 to 20 percent of chromium, 10 to 20 percent of silicon, 2 to 10 percent of manganese, 1 to 5 percent of rare earth lanthanum, lessthan or equal to 1.0 percent of carbon, less than or equal to 0.06 percent of sulfur, and less than or equal to 0.1 percent of phosphorus. A preparation method comprises the steps of premixing raw material, then mixing, rising temperature, pretreating, then rising temperature for three times under the vacuum condition, preserving heat, pressing and firing. According to the prepared high-nitrogen composite alloy, the nitrogen content is remarkably improved, and a reinforcing steel bar using the high-nitrogen composite alloy has high tensile strength and bending strength, good shock resistance,good toughness and excellent mechanical property. The high-nitrogen composite alloy provided by the invention solves the problems of instable quality and low nitrogen content of the high-nitrogen reinforcing steel bar in the prior art.

The invention relates to a double-coil structure for nuclear magnetic resonance gyroscope high-precision magnetic field control. According to the structure, a framework is used for fixing a close-wound solenoid coil and a Helmholtz coil. The static magnetic field is generated by the close-wound solenoid coil and Helmholtz coil together. The complete structure is arranged in a multilayer magnetic shielding cylinder, and the multilayer magnetic shielding cylinder can shield part of the magnetic field. The close-wound solenoid coil is used for generating a stable intense magnetic field, which has higher magnetic field uniformity and is suitable for roughly regulating the static magnetic field. The Helmholtz coil is used for compensating the remanent field in the magnetic shielding cylinder, and the generated magnetic field has lower intensity, poor uniformity and higher regulation precision. The two coils are matched, thereby reducing the device volume, and solving the problem of insufficient control precision in the numerical control electronic system. By adopting the double-coil structure, the control precision can be enhanced by 75 times.

The invention provides a glue spreading device for an adhesive tape, and a using method thereof, and belongs to the technical field of adhesive tape production. According to the glue spreading device,the problems that, in the adhesive tape production process, the surface of a film to be glued is not treated, and consequently dust falls on the surface of the film; the glue spreading effect of thefilm is affected, and glue on the surface of a roller dipped with the glue is uneven; consequently, the glue on the film is unevenly spread, and the quality of the adhesive tape is reduced are solved.According to the glue spreading device for the adhesive tape, and the using method thereof, a shell, a storage mechanism, a glue spreading mechanism, a dust removal mechanism and a transmission mechanism are coordinated to complete corresponding treatment operation, and a working space is defined in the shell; four conveying wheels for conveying an adhesive tape film are rotationally connected between the inner walls of the front side and the rear side of the shell; and a glue injection port is formed in the left end wall of the shell. According to the glue spreading device for the adhesive tape, and the using method thereof, the glue spreading effect is better, and the product quality is higher.

The invention discloses a preparation method for an Al-Cu-Li series aluminum-lithium alloy plate. The preparation method comprises the steps that an aluminum-lithium alloy ingot is firstly subjected to heat preservation at 95 DEG C-121 DEG C for 6 h-24 h, is heated to 320 DEG C-400 DEG C for heat preservation for 3 h-16 h, then is heated to 420 DEG C-450 DEG C for heat preservation for 4 h-12 h and is finally heated to 480 DEG C-510 DEG C for heat preservation for 8 h-24 h so that homogenization treatment can be carried out; then the head and the tail are sawed, face milling is carried out, ahot rolled billet is machined, preheating is carried out to 480 DEG C-520 DEG C, rolling is carried out to form the plate with the thickness being 0.8 mm-25 mm, the surface temperature of the plate inthe rolling process is not lower than 330 DEG C, and the gate pressing rate in the rolling process is 10%-30%; and the rolled plate is subjected to heat preservation at 505 DEG C-525 DEG C for 2 h-6h for solid solution and quenching treatment, pre-stretching deformation with the deformation amount being 1%-5% is carried out, and finally artificial aging treatment is carried out to the T8 state.The preparation method can effectively eliminate a coarse-grain layer on the surface layer of the aluminum-lithium alloy plate, the performance loss in the preparation process of the plate is controlled, and the uniformity of the performance of the plate is improved.

The invention discloses a method for calibrating the sensitivity of multiple sensors. The method comprises the following steps that a plurality of acceleration sensors to be calibrated and a plurality of standard acceleration sensors are fixed above the work surface of a vibrating table and below the work surface of the vibrating table respectively in a back-to-back mode, and the multiple sets of acceleration sensors to be calibrated and the standard acceleration sensors are electrically connected with detection equipment. According to the calibrating method, the acceleration sensors to be calibrated and the standard acceleration sensors are fixed above the work surface and below the work surface respectively in back-to-back and one-to-one correspondence modes, so that when the acceleration sensors to be calibrated are calibrated, the influence of the flatness and the evenness of the work surface is avoided, and the errors of the calibration results of all the acceleration sensors to be calibrated can not happen in the batch calibration process. Accordingly, the calibrating method saves time and labor, and improves working efficiency.

The invention discloses a flip chip unpackaged light source lens. The lens comprises a lens body, wherein the bottom projection is circular; a light entrance hole is formed in the center of the bottom; the bottom surface of the lens body is symmetrically provided with a plurality of downwardly protruding mounting columns; the part at the periphery of an opening of the light entrance hole sinks to form an inverted frustum-shaped sunken part; the sinking height of the sunken part does not exceed the length of the mounting columns; the surface of the sunken part and the bottom surface of the lens body are both provided with non-planar microscopic structures for light diffuse reflection; the mounting columns are fixedly glued on a base band, an LED (Light Emitting Diode) light source is accommodated in the light entrance hole, and the sunken part is covered at the periphery of the LED light source, so the lens can completely act on light emitted by the LED light source to improve the utilization rate of the light source; glue is prevented from introducing into the bottom surface of the lens body so as not to corrode the non-planar microscopic structure because of a gap existing between the mounting columns and the sunken part; the assembly reliability is high and the structure is concise.

The invention discloses a paint spraying device for the inner wall of a ventilating duct. The device comprises a workbench and the ventilating duct, the upper end of the workbench is fixedly connected with a vertical rod, the side wall of the vertical rod is rotatably connected with a rotating rod, the side wall of the rotating rod is fixedly connected with a nozzle, and the rotating rod is provided with a cleaning mechanism. The cleaning mechanism comprises two hollow rods symmetrically and fixedly connected to the side wall of the rotating rod, the inner walls of the hollow rods are slidably connected with sliding rods, the upper ends of the sliding rods are fixedly connected with arc-shaped scraping plates, dust suction grooves are formed in the arc-shaped scraping plates, dust suction holes are formed in the side walls of the dust suction grooves, and impurity discharging pipes are fixedly connected to the side walls of the arc-shaped scraping plates. Dust and rust on the inner wall of the ventilating duct are scraped away through the arc-shaped scraping plates, cold air generated by a vortex tube can rapidly flow in the dust suction grooves, negative pressure can be generated in the dust suction grooves, then the dust and rust scraped away by the arc-shaped scraping plates are sucked into the dust suction grooves to be discharged, the scraped dust and rust are prevented from falling on the inner wall of the ventilating duct, and the adhesion of the paint is prevented from being affected.

The invention provides a forming machine for a vacuum insulated panel. The forming machine for the vacuum insulated panel comprises a machine frame, a lower supporting device is arranged on the machine frame in an erecting mode, a lower die base is arranged on the lower supporting device in a lifting and erecting mode, and a lower die core is installed on the lower die base. An upper die core, a middle die frame, the lower die core and the lower die base are hollow. A bottom plate of the upper die core, an inner side plate of the middle die frame and a top plate of the lower die core are respectively provided with a communicated first exhaust passage, and a venting plug is inserted into the first exhaust passage close to the outer side and is fully provided with second exhaust passages. The lower die base is communicated with the lower die core. The outer side wall of the upper die core, the outer side wall of the middle die frame and the outer side wall of the lower die base are provided with third exhaust passages communicated with the outside. The forming machine is good in supporting stability, high in exhaust efficiency, capable of bearing large pressing force, suitable for pressing the vacuum insulated panel and high in safety coefficient, and the venting plug is convenient to dismount and replace.

The invention provides a portable rice castration device. The portable rice castration device comprises a bottom frame with four universal wheels arranged at the bottom end, wherein a supporting rod is sleeved with a sleeve rod on the bottom frame, an adjusting motor is fixed to the position, close to the top end, of the supporting rod, a castration cylinder is fixed to the bottom end of a rotating shaft of the adjusting motor and is particularly a rectangular cylinder, the bottom end of the castration cylinder is through, an opening is formed in the side face of the castration cylinder, observation windows are formed in the remaining three vertical sides of the rectangular cylinder, electric heating plates are fixed to the four folded corners in the rectangular cylinder respectively, and a castration limiting cylinder is arranged in the middle of the rectangular cylinder. According to the portable rice castration device, the castration cylinder is connected to the bottom frame through the supporting rod, the castration limiting cylinder is further arranged in the castration cylinder, during using, when a to-be-castrated part of rice is clamped in the castration limiting cylinder, the electric heating plates are started, so that the temperature value in the castration limiting cylinder reaches the castration temperature, after castration is finished, the bottom and the side face of the rectangular cylinder are sequentially opened, then the castration limiting cylinder is opened, and the bottom frame is pushed to retreat, so that the portable rice castration device is convenient and practical.