374results about How to "Size limit" patented technology

This invention relates to a method for preparing low-radiation heat-insulating transparent film for controlling sunlight. The film is composed of: organic polymer 70-99.9 wt. %, doping metal oxide nanoparticles 0.1-30 wt. % and adjuvant 0-29.9 wt. %. The method comprises: (1) uniformly dispersing the doping metal oxide nanoparticles into a dispersing medium, mixing with the organic polymer and the adjuvant, and drying to obtain master batches; (2) plasticizing, smelting or extruding and blowing, calendaring, stretching, extruding and casting to obtain the film. The film can be used as the coating film for architecture glass, automobile window and ship window, and has such advantages as high visible-light permeability, good sunlight obstructing effect, good anti-electrostatic effect, and good electromagnetic radiation resistance.

The invention discloses a semi-supervised multi-spectral remote sensing image segmentation method based on spectral clustering; the segmentation process includes that: (1) the characteristics inputted to the multi-spectral sensing image are extracted; (2) N points without labels and M points with labels are randomly and evenly sampled from a multi-spectral sensing image with S pixel points to form a set n which is the summation of N and M, wherein M points with labels are used for creating pairing limit information Must-link and Cannot-link sets; (3) the sampled point set is analyzed through semi-supervised spectral clustering to obtain the class labels of the n (n=N+M) points; (4) the sampled n (n=N+M) points are used as the training sample to classify the rest (S-N-M) points through nearest-neighbor rule, each pixel point is assigned with a class label according to the class of the pixel point and is used as the segmentation result of the inputted image. Compared with prior art, the invention has good image segmentation effect, strong operability, improves the classification accuracy, avoids searching the optimum parameters through repeated test, has small limit on image size and is better applicable to the segmentation of multi-class multi-spectral sensing images.

The invention discloses a method for measuring the deformation of a large-sized work-piece, which comprises the following steps of: firstly, placing a fixed point; secondly, sticking a deformation point; thirdly, sampling and shooting a picture; fourthly, rebuilding the information of the deformation point; fifthly, combining the coordinates; sixthly, resetting the ID of the deformation point; and seventhly, calculating the deformation quantity. By the operation steps, the invention can measure the direction and size of the three dimensional deformation of the large-size workpiece, which is caused by the applied force load, thermal load, etc. The method has the characteristics of easy operation, no restriction of the size of the workpiece, abundant measurement information, precise and reliable results, high efficiency and non-contact measurement.

The invention relates to equipment capable of industrially implementing the entire dismantlement of a waste and old circuit board component. The equipment is characterized in that a heating groove and a vibrating table are arranged in parallel at the left and the right, an overturning arm capable of rotating left and right is arranged above the heating groove and the vibrating table and a supporting frame is fixedly connected to the overturning arm in a cantilever mode; the vibrating table is supported on a vibrating frame by a rubber damper; a vibrating screen gaze is arranged below the vibrating table towards the discharge side; a soldering flux collector is arranged at the bottom of the vibrating frame, the dismantled component is held by the vibrating screen gaze and granular solder fluxes fall into the solder flux collector through the vibrating screen gaze; a blanking rack consists of a row of support rods, a circuit board can be supported on the blanking rack, and the dismantled component and solder flux can fall off through the blanking rack; and a cover plate is linked with the blanking rack and the blanking rack and the cover plate are overturned towards the blanking side by the rotation of a blanking rotating shaft. The equipment is simple and practical and can be industrially produced.

The present invention includes a gasifier for gasifying fuels having a container with a top, sidewalls and a bottom for facilitating the gasifying process. One or more open vertical shafts extend downward inside the container for allowing a downdraft or updraft of air and fuel for the gasifying process. A rotating bed is preferably included inside the container and below the one or more shafts for receiving the fuel. The bed rotates essentially perpendicular to the shaft to facilitate even heating and gasifying of the fuel.

The invention discloses a C3N4-carbon-coated lithium iron phosphate composite anode material. The C3N4-carbon-coated lithium iron phosphate composite anode material consists of a layered material C3N4 and carbon-coated lithium iron phosphate, wherein the weight percent of the C3N4 is 0.5 to 10 percent, the weight percent of non-C3N4 carbon is 0.2 to 10, and the weight percent of lithium iron phosphate is 80 to 99.3 percent. The preparation method comprises the following steps: preparing C3N4 in a sintering manner, ultrasonically stripping, and carrying out the nanocrystallization; adding an iron source and a phosphorus source into a C3N4 suspension solution, and filtering and washing a mixture precipitate; uniformly mixing a precipitate product with a lithium source and a carbon source, and calcining the mixture under the protection of inert gas at a high temperature to obtain the C3N4-carbon-coated lithium iron phosphate composite anode material. The anode material prepared in the method is small in primary particle size, high in ion electric conductivity and electron electric conductivity, high in discharge capacity and excellent in rate capability and cycling performance.

The invention relates to the field of graphite film preparation, and in particular relates to a layer-number-controllable graphite film based on a nickel-copper composite substrate and a preparation method of the film. The preparation method comprises the following steps of: 1) preparing the nickel-copper composite substrate; 2) carburizing, namely heating the nickel-copper composite substrate to 200-300 DEG C, then introducing a carbon source gas and a carrier gas, and carrying out heat preservation for 30-240 minutes for carburization of a nickel layer; and 3) depositing carbon, namely cutting off the supply of the carbon source gas, raising the temperature of the nickel-copper composite substrate to 300-1000 DEG C, introducing the carrier gas, and carrying out heat preservation for 10-180 minutes so as to obtain the graphite film based on the nickel-copper composite substrate. The preparation method has the beneficial effects that a novel preparation process is provided, the layer number of graphite is controlled more easily, the problem that the existing composite substrate is high in preparation cost, and a graphite film material which is low in cost, simple in preparation method, easy to control, good in product quality and large in area is obtained.

The embodiment of the invention provides a mobile terminal, applied to the technical field of communication. The mobile terminal comprises a screen component, a vibrator and a middle frame, wherein the screen component comprises a display screen and a display screen cover plate laid on the front surface of the display screen; the vibrator is arranged on the back surface of the display screen; thedisplay screen in the screen component is connected with the middle frame; the middle frame is provided with a first opening, and the vibrator penetrates through the first opening and is connected with the back surface of the display screen; and the hole wall of the first opening is spaced apart from the vibrator. The embodiment of the invention aims to solve the problem that the structure of a sound generator affects the proportion of the display screen in the prior art, the vibrator is arranged below the display screen, thereby, compared with the prior art, the sound production function of the screen can be ensured, the phenomenon that the vibrator occupies the extension space of the display screen and limits the size of the display screen can also be avoided, and a display area of the display screen can be ensured.

The invention provides a liquid crystal display panel and its repairing method. The liquid crystal display panel comprises a plurality of parallel scanning lines, a plurality of data lines perpendicular to the scanning lines in an insulation way and a plurality of pixel areas circled by the scanning lines and the data lines; each pixel area comprises a pixel electrode, wherein, a long annular repair line is arranged between the adjacent pixel electrodes; the two ends of the long annular repair line respectively intersect with the data lines in an insulation way. The display quality of the liquid crystal display panel cannot be affected after repair and the repair of the panel is not limited by the size of the panel.

The invention relates to a plant protection UAV (unmanned aerial vehicle) cluster cooperative control method. Compared with the prior art, the method irons out a defect that a plant protection UAV cluster method cannot achieve the automatic cooperative control for the agricultural pest monitoring and pesticide application. The method comprises the following steps: initialization of the UAV cluster; task overall arrangement of individual UAVs; the space overall arrangement of the individual UAVs; the motion planning of a father UAV and a son UAV; the control motion of the search of the UAV cluster in a free motion space; the detection, recognition and pesticide application through the father UAV. The method achieves the cooperative control of the plant protection UAV cluster, enables the UAV cluster to perform the automatic pesticide application after the pest recognition through a conventional mature pest image recognition method.

The invention discloses a hot rolled bainitic steel rail and a production process. The hot rolled bainitic steel rail comprises the following chemical compositions in percentage by weight: 0.10 to 0.35 percent of C, 0.80 to 2.00 percent of Si, 0.80 to 3.30 percent of Mn, less than 2.00 percent of Cr, 0.0010 to 0.0100 percent of N, 0.01 to 0.10 percent of Nb, 0.02 to 0.2 percent of V, 0.005 to 0.06 percent of Ti, 0.10 to 0.40 percent of Mo, less than 0.00005 percent of H and the balance of Fe and inevitable impurities. The process is characterized in that: a hole pattern method is adopted for the rough rolling of the steel rail, a universal method is adopted for the precision rolling of the steel rail, the rolling interval of adjacent passes in the rough rolling is controlled to more than 5 seconds and not more than 35 seconds, and the steel rail after the rolling is naturally cooled in the air to room temperature. The production process limits the size of residual austnesite in M-A islands and between lath bainitic ferrite; the proportion of the lath bainitic ferrite is over 75 percent; comprehensive indexes of performance such as specific elongation and the like are improved; and the production process can be also applied to turnout bainitic steel rails and bainitic AT rails.

The invention discloses an industrial pipe ring cutting device. The right side of the upper end of a device body is provided with a driving motor, and the left side of the driving motor is rotationally connected with a driving shaft; the left end of the driving shaft is in sleeving connection with the upper end of a swing arm, and the lower end of the swing arm is fixedly connected with a U-shapedframe; the middle of the lower end of the U-shaped frame is rotationally connected with a rotary shaft, and the rotary shaft is fixedly connected with a cutter; the middle of the swing arm is rotationally connected with the lower end of a piston rod through a bearing; and the upper portion of the piston is slidably connected to the lower portion of a hydraulic cylinder in a sealing mode. According to the industrial pipe ring cutting device, a transmission belt is driven to roll, accordingly, the cutter is driven to rotationally cut, a sleeve and the driving shaft are reverse in rotation direction through transmission of a first bevel gear and a second bevel gear while cutting is conducted, the sleeve drives a conical roller and a pipe to synchronously and reversely rotate, that is, the pipe is reversely rotated to be cut while the cutter conducts rotary cutting, meanwhile, height adjusting of the cutter is achieved under action of the hydraulic cylinder and the piston rod, and pipes different in pipe diameter and wall thickness can be cut; and by adopting the ring cutting mode, limitation to the size of a traditional cutter is overcome.

The embodiment of the invention discloses a distributed task processing method and device. The distributed task processing method comprises the steps that calculating nodes monitor at least one health index value of the calculating node through a daemon process; the calculating nodes judge whether the calculating node has the permission of taking subtasks from a task pool prestored with a plurality of subtasks or not according to the health index values and preset threshold values corresponding to the health index values; if yes, the calculating nodes take at least one subtasks from the task pool prestored with a plurality of subtasks; the calculating nodes generate task threads corresponding to the taken subtasks and utilize the task threads to execute the subtasks. By utilizing the embodiment, the problem that in an existing distributed task processing technology, the scale of calculating node groups is limited due to the fact that the subtasks are dispatched to a plurality of calculating nodes through connection between control nodes and a plurality of calculating nodes and through the control nodes can be solved.

The invention discloses a high-speed cyclic gas-liquid mixed micro-nano foam generating device, which consists of two hemispherical containers and a cylindrical container which is connected with a water inlet pipe, hollow C-shaped pipes (3) and (3') are arranged on the cylindrical inner surface, and a circular hole (4) for spraying liquid to achieve the effects of micro-nano foam and an air conduit is formed at each of two hemispherical ends. Due to the hollow C-shaped pipes, the rotating speed of liquid is improved (so that super-micro thinning of foam is promoted), and the superfine foam generating rate is improved by 25 percent compared with the conventional superfine foam generating rate.

The invention discloses a file transmission method, mobile equipment, a server and a file transmission system. The method comprises the steps of creating a unique identifier for each file needing to be transmitted in first mobile equipment; enabling the first mobile equipment to transmit the files needing to be transmitted and the identifiers thereof to the server through a network; after the first mobile equipment transmits the files needing to be transmitted and the identifiers thereof to the server, enabling the first mobile equipment to transmit the identifiers to second mobile equipment; enabling the second mobile equipment to receive the identifiers and to transmit the identifiers to the server; and enabling the server to conduct searching and matching according to the identifiers, position the files to be transmitted corresponding to the identifiers and transmit the files needing to be transmitted to the second mobile equipment. By adopting the method, the operation of file transmission can be completed efficiently, reliably and conveniently.

The invention provides a lens actuating device, a periscopic lens module comprising the lens actuating device and shooting equipment comprising the periscopic lens module. The light enters a lens group after being reflected, so the optical axis direction of the lens group is different from the thickness direction of the shooting equipment, the limitation of the optical axis direction length of thelens group on the thickness of the shooting equipment is eliminated, and thinning of the shooting equipment is realized. By arranging a translation type motor and a tilt-shift type motor on a supportof the lens actuating device, focusing and shake prevention of the periscopic lens module comprising an optical component and the lens actuating device are achieved. The translation type motor and the shaft-moving type motor are independent individuals, so the translation type motor and the shaft-moving type motor can work at the same time, control efficiency is higher, moreover, rotation of thesupport is realized through matching of shaft moving type motors and elastic pieces, and the motors which are symmetrical pairwise do not need to be arranged around the support, so the number of the motors arranged around the support can be reduced.

An efficient ultrasonic polishing apparatus for the axle-type parts is composed of a HF (200000-300000 H2) ultrasonic generator and a grinding head, and is installed to the cutting-tool carrier. Its polishing method features that the part to be polished is fixed to a lathe.

The invention discloses a spherical lanthanum oxide. The average particle size of spherical lanthanum oxide is 150 nm-1.2 mum, the specific surface area after roasting at 1000 DEG C is 1-7 m<2>/g, and the specific surface area after roasting at 500 DEG C is 120-144 m<2>/g. The invention also discloses a preparation method of the spherical lanthanum oxide, and the method includes the following steps: (1) mixing lanthanum salt, hydrous ethylene glycol, polyvinylpyrrolidone, and short-chain organic acid, stirring the mixture, dissolving the mixture, and performing a hydrothermal reaction; and (2) subjecting the mixture to the reaction for 1-8 hours at 160-240 DEG C, cooling the mixture to obtain the precipitate, and drying the precipitate to obtain the spherical lanthanum oxide. The lanthanum oxide prepared by the invention is spherical, has uniform morphology, good degree of crystallization, good dispersibility, high heat stability, and big specific surface area, and is suitable for the application on the motor vehicle exhaust.