206results about How to "Quality improvement" patented technology

An LED (Light Emitting Diode) controller comprises a first LED driver to generate a first PWM (Pulse Width Modulation) drive signal to turn on or turn off, respectively, a first current through a first LED string. Additionally, the LED controller comprises a compensation circuit to generate the first PWM drive signal responsive to a first duty set signals. The first duty set signal is indicative of a first duty cycle set for the first PWM drive signal. The compensation circuit receives a first feedback signal indicative of the first current, generates a first error signal indicative of a difference between a first predetermined target value and the first feedback signal, and generates the first PWM drive signal to have the first duty cycle corresponding to the first duty set signal and further adjusted by the first error signal.

The object of the present invention is carbon nanofibers mainly characterized by their high specific volume of mesopores, their high gas adsorption capacity and presenting a graphitic hollow structure. A second object of this invention is a procedure for obtaining such carbon nanofibers, which makes use of a metallic nickel catalyst and specific process furnace parameters that combined with the chemical composition of the furnace atmosphere and the fluidodynamic conditions of the gas stream inside the furnace, result in a faster growth of the carbon nanofibers and also in a higher quality of the carbon nanofibers obtained.

A pattern which does not appear at a flat portion in normal binarization processing is set as a code pattern, and a code formed from this pattern is attached. At this time, code attachment with little degradation in image quality is implemented by selecting an unnoticeable pattern.

The invention is applicable to the technical field of finance, and provides a method and a device for service development. The method and the device aim to solve the problem that financial service development and maintenance are high in cost, low in efficiency and low in reliability in the prior art. The method comprises the following steps: obtaining service components that a user chooses and set parameter information, and establishing service component living examples; associating with the service component living examples according to associated information of the service components that the user inputs, and forming a visual service flow chart; compiling the visual service flow chart, generating and issuing a corresponding service flow chart file. Through the technical scheme, financial service development can be simple like block stacking by using the service components, and complicated service becomes easily understood through a visual service flow chart customizing manner, so that the development difficulty can be reduced, the development efficiency is effectively improved, the software development and maintenance cost is greatly reduced, and the quality of software product is improved.

The invention discloses a method for extracting a plurality of chemicals from a coal tar, which comprises such procedures as heating the coal tar to 120-130 DEG C, dehydrating, fore running, separating, fine rectifying, and heavy-oil distilling, and getting 95 naphthalene, methyl naphthalene, anthracene oil, asphalt and heavy oil. The invention is of simple process, easy operation, rectifies coal tar several times; the extracted chemical products are of steady quality, the naphthalene is of high concentration, and the asphalt is of good quality. The invention is of low energy consumption, hence improves better the added value in processing coal tar in China.

A display panel, a manufacturing method of the display panel, and a display device including the display panel are provided. The display panel includes: a substrate; a display unit on the substrate and including a plurality of pixels for displaying an image according to a video signal; a power supply wire on the substrate, coupled to the plurality of pixels, and configured to transmit a driving voltage for driving the plurality of pixels; and a dummy wire on the substrate, separated from the display unit and the power supply wire, and coupled to a ground electrode or a power supply unit for supplying the driving voltage.

The invention discloses a method for casting rotary axis casts of aerogenerators, which comprises the steps of mould manufacture, the manufacture of sand moulds and moulding by casting. In the step b of the manufacture of sand moulds, a top sprue (1) is used as an inlet of iron liquor, and is alternately communicated with runners; a bottom runner is communicated with an ingate communicated with a cast mould cavity; the runners are designed into a first runner (3), a second runner (4) and a circular runner (5); the ingate is designed into a plurality of radial runners (6) for communicating the circular runner (5) and the cast mould cavity; filtering apparatuses are arranged on the first runner (3) and the second runner (4), and are also arranged between each radial runner (6) and the circular runner (5); and in the step c of moulding by casting, the casting temperature is controlled from 1310 DEG C to 1350DEG C; and finally, a cast (2) is obtained. The method for casting rotary axis cast of aerogenerator has the advantages of good residue blocking effect and low production cost.

The invention provides a method and system for generating a scheduling item operation order. The method includes the steps of reading EMS data, judging whether an equipment position state is consistent with an equipment real-time state, if yes, generating task selection according to the operation conducted by an order drafter on equipment to be operated, generating an operation item with the position state opposite to the position state of the equipment according to the operation conducted by the order drafter on equipment in a transformer substation, judging a power source point of a factory and a power source point of a station according to an active power grid power flow diagram, a positive power grid flow diagram and the equipment position state when the switching of the operation method of a power grid is related, and when the power source point of the factory and the power source point of the station are converted into new power source points after the judgment operation, generating a secondary operation item which needs to be changed, wherein the EMS data include the active power grid power flow diagram, the positive power grid power flow diagram and the equipment position state, and the secondary operation item includes a reclosing device and automatic bus transfer equipment. According to the method and system, the order drafting speed is improved, the operation risk of the power grid is lowered, and a large number of paper resources are saved.

The invention relates to a valine purification method, which comprises the following steps: A. adding flocculating agents into valine fermentation liquid for fast precipitating solid impurities, and obtaining primary filter liquid through filtering supernatant; B. adding activated carbon into the primary filter liquid obtained in the step A, wherein the added activated carbon accounts for 1+ / -0.5weight percent of the filter liquid, carrying out stirring and decoloration at 60 + / - 5 DEG C, and then, obtaining secondary filter liquid through filtration; C. using an industrial chromatographic column for separating inorganic salt and heteroacid, and then, using a sodium filter membrane for removing pigment and small molecular impurities to obtain a clear and colorless valine solution; D. concentrating the filter liquid for crystallization to obtain crude valine products; and E. shaking a transmission belt and raising the temperature to 220 + / - 10 DEG C, and carrying out sublimation to remove alanine and isoleucine to obtain pharmaceutical grade competitive valine products. The method has the characteristics of simple operation, good selectivity, cleanness and environment protection, so the yield and the quality of the valine are obviously improved.

An optical pick-up device comprising at least one micromirror array lens. The micromirror array lens enables focusing, tracking, and / or tilt compensation in the optical pick-up device without macroscopic motions. The micromirror array lens provides the device with a simple structure, which can reduce the size, weight, and cost of the recording / reproducing system. The device is also durable for vibration. Optical pick-up devices using an array of micromirror array lenses can increase the recording / reading speed without macroscopic motions. The recording / reading speed can be increased by adding more micromirror array lenses to the lens array. The present invention can also be used to record / read information on / from a multi-layered optical disc.

An image vibration-compensating apparatus and a method thereof are provided. The apparatus and the method are applied in an image-capturing apparatus, such as a digital still camera (DSC) or digital video recorder (DVR), for compensating image vibration when capturing an image. The image vibration-compensating apparatus comprises an adaptive edge extractor, a sub-region movement detector, a frame motion calculator, and a correcting vector generator. The image vibration-compensating apparatus analyses the difference between the current image and the previous image, and outputs the correcting motion vector to achieve the function of image vibration-compensation. In the image vibration-compensating method, an accumulate compensation mode is used to prevent fast motion of an image frame which will cause discomfort of the user's eyes when a relatively large image vibration occurs in a short period.

The invention relates to a preparation process for extracting crude sodium heparin from pig lungs, which comprises the following steps: mincing fresh pig lungs into slurry, carrying out heat insulation and enzymolysis to obtain an enzymolysis liquid, filtering the enzymolysis liquid to collect filtrate, carrying out ion exchange adsorption treatment on the filtrate, washing and eluting resin, precipitating sodium heparin, and drying to obtain crude sodium heparin. The enzymolysis method employed by the invention can thoroughly dissolve pig lung slurry and effectively improve and stabilize the quality of the product and the yield of sodium heparin; and simultaneously, the obtained crude sodium heparin has low impurity content and high titer.

The invention relates to a solid state image pickup device, a method of manufacturing the same, an image pickup device, and an electronic device. The solid state image pickup device includes a pixel section defined by unit pixels arrayed in line and row directions of a semiconductor substrate. Each of the unit pixels includes a photoelectric transducer that is formed on the semiconductor substrate and converts incident light into a signal charge, a waveguide that is formed above the photoelectric transducer and guides the incident light to the photoelectric transducer, and a microlens that is formed above the waveguide and guides the incident light to an end of light incident side of the waveguide. The waveguide has a columnar body with a constant cross section from the end of light incident side to an end of light exit side, and is arranged such that a center of rays of the incident light incident from the microlens on the end of light incident side of the waveguide is aligned with a central axis of the waveguide.

Interactive electronic representations of advertising images published in visual media sources enable data about interest in an object or objects appearing in the advertising images to be collected. From comparing against aggregated data from interactions with interactive electronic representations, the effectiveness of displaying an object, such as representing a product or service, in a particular advertising image can be relatively measured.

The invention discloses online chip cleaning and drying equipment which comprises an automatic feeding mechanism, a spray type cleaning device, vacuum drying equipment and a positioning table. The vacuum drying equipment comprises a frame; a pair of drying conveying belts which are connected with a cleaning machine, support the two sides of a chip and horizontally move are arranged in the middle of the frame; a push plate which controls and supports the chip to move up and down through mechanical power is arranged on the frame below the part between the drying conveying belts; a first vacuum chamber provided with a vacuum sucker and an infrared heating tube is arranged right over the push plate; a second vacuum chamber which is movably connected with the first vacuum chamber through a connecting rod mechanism and provided with a sealing structure matched with the lower end of the first vacuum chamber is arranged on one side of the first vacuum chamber; and a vacuum adsorption hole corresponding to the chip is formed on one side of the second vacuum chamber corresponding to the first vacuum chamber and provided with the sealing structure. The equipment is simple in structure and skillful in design, automatically picks up chips, performs spray type cleaning and vacuum drying on the chip, dries the chip through thermal power in the vacuum environment, and prevents the chips from being damaged.

The invention discloses a device for performing surface treatment on a pole piece of a lithium battery. In one piece-brushing process, the front side and the reverse side of the pole piece can be treated simultaneously, so that the treatment efficiency can be improved and the treatment quality can be guaranteed. The device comprises a machine frame, a workbench, an upper sponge, a lower sponge, a negative pressure device and an upper sponge driving cylinder; the lower sponge is fixed on the workbench; the upper sponge driving cylinder is arranged on the machine frame; a piston rod of the upper sponge driving cylinder faces downward; the bottom of the piston rod is fixedly connected with the upper sponge; the upper sponge is positioned above the lower sponge; the negative pressure device comprises an air compressor and a suction pipe; the suction pipe is inserted upward from the bottom of the workbench; and the pipe orifice of the suction pipe is positioned in the lower sponge. The process for brushing the piece is improved, a technology for automatically brushing the two sides of the piece simultaneously is adopted, two sponge plates which are correspondingly arranged up and down are used and when dust adsorbed to the sponge plates is more, the sponge plates can be replaced at any time. The device is high in quality for cleaning the pole piece, and high in yield, and can timely remove the dust and debris and obviously improve the quality of the pole piece, and the battery manufactured by the pole piece is low in short circuit rate.

The invention discloses a propping agent for a resin coating film and a preparation method thereof. The propping agent comprises an aggregate, a resin, a curing agent and a dispersing agent, wherein the dosage of the resin is 1%-10% of the weight of the aggregate; the dosage of the curing agent is 0.5%-5% of the weight of the aggregate; and the dosage of the dispersing agent is 0.2%-2% of the weight of the aggregate. The propping agent for the resin coating film provided by the invention has the functions of allowing oil gas to smoothly penetrate and preventing water from penetrating through the propping agent, so that the separating effect of oil gas and water is enhanced by the functions and the oil extraction cost is lowered; due to the excellent hydrophobic property of the resin film, the propping agent has excellent water resistance, the anti-breaking capability of the propping agent is increased and the long-term flow-guiding effect is good; a triple film coating technology is adopted by the invention and the calcium stearate is taken as a dispersing agent, so that the quality is greatly increased, the yield is increased to above 80%, the cost is greatly lowered and the production efficiency is increased; and the preparation method provided by the invention is simple, the product yield is high and the breakage rate of the product is obviously reduced.

The invention discloses a drinking water bucket cover and a drinking water bucket provided with the drinking water bucket cover. The drinking water bucket cover comprises a cover body and an automatic sealing component, wherein one end of the cover body is used for closing the drinking water bucket, and the other end of the cover body is provided with an opening which is communicated with the interior of the drinking water bucket; the automatic sealing component comprises a first valve and a second valve; the first valve is provided with a blind hole and is provided with a first magnet; the second valve is provided with a through hole and is provided with a second magnet with magnetism opposite to first magnetism; the second valve is arranged at the opening and the through hole is communicated with the opening; the first valve is closely attached to the second valve to further seal the through hole through attraction of the two magnets. When the drinking water bucket is arranged on a drinking fountain in an inverted manner, a smart column on the drinking fountain is accommodated in the blind hole through the opening and the through hole, and the first valve is pushed away from the second valve, so that water in the drinking water bucket can flow through the smart column to enter the drinking fountain; the automatic sealing component realizes automatic sealing of the opening. The invention also discloses the drinking water bucket provided with the drinking water bucket cover.

The invention relates to a frequency synthesis system for enhancing spectrum purity of a direct digital frequency synthesizer, which comprises a crystal oscillator, a phase-locked loop module (PLL), a direct digital frequency synthesis module (DDS), a filter module and a central processing unit, wherein the system uses the phase-locked loop module (PLL) to provide a variable clock for the direct digital frequency synthesis module (DDS), and the clock frequency of the variable clock provided by the phase-locked loop module (PLL) is an integral multiple of the frequency of the output signal. By changing the clock frequency of the direct digital frequency synthesizer, the noise generated in the quantization process is minimized, thereby improving the stray indexes of the output signal and enhancing the spectrum purity of the output signal.

The present invention relates to bamboo manufacturing field, in particular, to a process for making a bamboo filament slab floor by opposite directional hot pressing. Aiming to overcome the defects that, while compressing, the existing bamboo filament slab floor at normal temperature under cold pressing is easy to rebound and expand, has low strength and weak resistance to abrasion and is easy to mildew while using for a long time, the present invention adopts shredding bamboo sheet, sizing treatment, moulding bamboo filament and etc. procedures, characterized in that, a secondary drying procedure should be inserted between said sizing treatment and bamboo filament moulding procedure; said sizing treatment should be implemented by soak sizing bamboo filament; said compressing includes opposite directional hot pressing of positive pressing and side pressing. The present invention adopts specific manufacturing technology, thus the floor can avoid the occurrence of holes and gaps inside bamboo filament slab floor and discharge formaldehyde and has stable quality, and will be not prone to mildew and deform while using for a long time. It can be widely used and suitable for indoor and outdoor flooring and various boards used in decoration and furniture.

The invention discloses a water conservancy and hydropower engineering multi-source data fusion method based on BIM+GIS. The method comprises the steps of S1, exporting a fused model in a native BIM platform for lightweight processing; S2, fusing two types of multi-source model data; and S3, acquiring, processing and fusing oblique photography data in GIS software. The invention provides a technical scheme for processing, importing and keeping the model light weight, high quality and high system availability based on the native BIM platform model, and solves the problems that the BIM visualization platform model is large in volume and slow in platform loading; and the technical scheme of data acquisition, fusion and application of oblique photography data from field surveying and mapping, data processing and data fusion is verified.