75results about How to "Achieve contrast" patented technology

The invention discloses a fake identification system of bank bills based on spectral image analysis, which uses a device and adopts a method of multispectral analysis to excite the anti-fake characteristics on the standard samples of bank bills so that the anti-fake characteristics, such as paper characteristics of paper, fiber, watermark, printing ink, format, print, writing information and the like, are shown, and finally collects, inputs and establishes a standard image database. The database is edited by a computer language and then application software is generated so as to form the fake identification system of bank bills together with the device. A plurality of main anti-fake characteristics of the identified bank bills, such as the paper, the print, the printing ink, the writing information and the like, can be identified under all different light sources, such as illuminating light sources, main light sources, side light sources, backlight sources, long-wave ultraviolet rays, short-wave ultraviolet rays, anti-face laser, infrared light sources and the like. The system is applicable to the technical field such as the anti-fake identification of the bills circulating on the market and is capable of detecting all anti-fake characteristic points of the bills. Synchronously, a network supervision system is established.

The invention relates to a centralized operation and maintenance-based hardware resource analysis and assessment method. The method comprises the following steps of: 1) defining types of system hardware resource monitoring indexes; 2) periodically acquiring system hardware resource indexes; 3) establishing an analysis and assessment model for the system hardware resource monitoring indexes; and 4)analyzing and assessing system hardware resources. Aiming at automatic equipment resource data of multistage systems in a centralized operation and maintenance mode, multiple effective analysis and assessment methods are provided to predict system resource development trend, mine rules of system operation process and potential safety hazards, assist and schedule automatic operation and maintenance personnel to comprehensively grasp possible problems of the systems, enhance risk prevention levels of multistage intelligent power grid scheduling control systems, and satisfy requirements, for operation and maintenance work of scheduling control systems, of rapid development of power grids.

The invention discloses a method for analyzing pipeline depositing distribution. The method includes: S1, acquiring parameters of each drainage pipeline, grouping the pipelines, and mounting a liquidlevel meter at an inspection well upstream or downstream of each pipeline; S2, screening and processing water level data to acquire water level Hn of the inspection well; S3, performing following hydraulic calculation according to whether water flow state in each pipeline is a full-flow pipe or a non-full-flow pipe; S31, for the full-flow pipe, judging depositing condition according to relative difference between hn local and hn frictional, wherein water level difference delta H is mainly composed of local head loss h local and frictional head loss h frictional; S32, for the non-full-flow pipe, adopting Froude number Fr of water flow and water flow velocity v to judge depositing condition. The liquid level meter or a flow meter is mounted in the inspection well to screen, process and analytically calculate acquired water level or flow data, real-time tracking and monitoring of depositing distribution of the drainage pipelines are realized in a more economical and safer manner, and a related basis is provided for desilting period of the drainage pipelines.

The invention relates to the technical field of high-molecular polymer, and especially to a high-molecular polymer containing spiropyran group and a preparation method thereof and application thereof. The method uses spiropyran compound to perform modification processing for the polymer, makes the polymer graft a spiropyran group which is light/temperature-sensitive, and makes the prepared polymer become a material having light or temperature stimulate-response performance. The limited used polymer is degradable polymer with good biocompatibility, and can control the isomerization of the spiropyran group by using the light/temperature stimulation, and realize the graft modification function of the spiropyran group on the polymer. The prepared product can be objectives-oriented under the stimulation of external light or temperature, and be open to release or realize the function of the product quantificationally and regularly in fixed point.

The invention discloses a horizontal and uplift combined loading device and method for a pile foundation model test. The horizontal and uplift combined loading device comprises a model pile embedded in a soil in a model slot; a triangular supporting frame A is arranged on the side face of the model slot; a counter-force beam C is arranged above the model groove; a pile head connecting member B isarranged on the upper part of the model pile; and the pile head connecting member B winds across a horizontal loading fixed pulley of the triangular supporting frame A and an uplift combined pulley ofthe counter-force beam C through a steel wire rope and is connected to a loading component which is under the fixed pulley. The position of the horizontal loading fixed pulley and the uplift combinedpulley is adjusted, the weight is placed on the corresponding loading component according to the test requirement, and the loading test of the radial or axial direction or radial and axial combined directions of the model pile is achieved. The horizontal and uplift combined loading device and method for the pile foundation model test can independently apply the horizontal loading and the uplift loading to the model pile at the same time, and the change of the uplift and the horizontal loading can be negligible when the horizontal displacement and the vertical displacement occur on the top ofthe model pile so that the bearing behavior of the model pile under the combined loading of the uplift and horizontal directions can be better analyzed.

The invention relates to the technical field of oil recovery, and particularly relates to a quantitative assessment method for an ASP (alkaline/surfactant/polymer) flooding effect. Six parameters, namely a water production rate descend range, a chemical flooding continuous effect time, chemical flooding efficiency, an accumulated water-oil ratio, an accumulated oil production quantity and an actual production time proportion, reflecting an oil well production condition are selected; the weight value of each parameter is acquired by a principal component analysis method, and thus a quantitativeassessment computing formation for comprehensively assessing the oil well production condition is determined. Scores of the six single parameters of wells to be assessed are substituted into the computing formula, and then the comprehensive assessment value of each well is acquired. According to the method, quantitative comparison of the production conditions of the different oil wells can be achieved, and a basis is provided for subsequent analysis of production feature differences of the oil wells and proposing of a production measure adjustment scheme.

The invention discloses an abrasion test device for a cam-tappet friction pair. The abrasion test device comprises an engine base, a motor, a camshaft, a cam lower end rack, a supporting rod and a campush mechanism, wherein the cam lower end rack is fixed on the engine base through the supporting rod; the motor is connected with the camshaft; an air inlet cam and an air outlet cam are arranged onthe camshaft; the camshaft is mounted on the cam lower end rack; the cam push mechanism comprises an air inlet wheel push mechanism and an air outlet wheel push mechanism; each of the air inlet wheelpush mechanism and the air outlet wheel push mechanism comprises a tappet, a push rod, an upper spring seat, a loading spring, a lower spring seat and a loading force adjusting mechanism; and the tappet penetrates through the cam lower end rack in a sliding manner. According to the abrasion test device disclosed by the invention, the problem that the complete engine bench test and actual engine integrated survey are long in cycle and complicated can be solved, abrasion characteristic evaluation of the cam-tappet friction pair can be completed in a short test cycle, and a reliable basis is provided for actual production.

The invention discloses an information pushing method based on investment promotion workflow and reading preference. During an information pushing process, by adopting an intelligent factor extractionalgorithm and a text similarity algorithm, the text information such as enterprise portrait, carrier portrait and information to be pushed is quantitatively processed, and the similarity comparison are performed on the enterprise portrait information, carrier information and information to be pushed by adopting a Doc2Vec algorithm, so as to complete accurate pushing of information on investment invitation. Through the collection and calculation of reading preferences, the utilization of information can be improved. The invention is characterized in that the pushing process is closely combinedwith the investment promotion workflow, so that the pushing information meets the requirements of the investment promotion scene accurately.

The invention belongs to the field of oil and gas exploration and development, and mainly relates to a medium-deep natural gas reservoir filling path tracking method and equipment thereof. The invention mainly solves a problem that biomarker components above C8 cannot be acquired by conventional steel cylinder sampling at present. The method mainly comprises the steps of screening natural gas maturity tracing parameters suitable for high-maturity and over-maturity states; acquiring a biomarker of tri-methylnaphthalene (TMN) in the natural gas at the wellhead; and calculating parameter values, and tracing a natural gas reservoir filling path. The equipment comprise a pressure valve, a high pressure resistant stainless steel flexible hose, a connection stainless steel tube, a pressure stabilizing valve, a connection rubber tube, a four-way glass tube, a rubber flexible hose (8), a natural gas inlet, a high pressure resistant continuous U-shaped glass tube, a natural gas outlet, a rubber flexible hose (14), a stainless steel tube, a corrosion resistant plastic drum and an alkali solution. The method and the equipment provided by the invention can provide a basis for deep natural gas exploration.

The embodiment of the invention discloses a data comparison method, a device, a computer device and a storage medium. The method comprises the following steps: invoking a data interface to save the test data of the current batch execution of the tested object; according to the preset rules, pulling the contrast data needed to be compared from the preset database; carrying out batch comparison between the test data and the comparison data; and if the test data differs from the comparison data, importing the test data that differs from the comparison data into a database. By implementing the method of the embodiment of the invention, the batch data comparison can be realized, the coverage rate in the test process can be improved, and the possibility that problems are omitted to the production due to the reason of the data can be reduced.

The technical problem to be solved by the present invention is to provide a high-power reflective daytime running light, which includes a car light bottom shell, a lampshade, a circuit board equipped with LED lamp beads, an electrical connection circuit, and a reflective bowl. At least 5 pieces of 1W LED lamp beads are used in the daytime lamp. The above-mentioned at least 5 reflective bowls are integrated. The side of the reflective bowl is regarded as a parallel semi-paraboloid, and the bottom has an opening through the LED lamp beads. The front view is at least 5 parallel rectangle. The inner reflective surface of the reflective bowl is frosted. The reflective bowl adopts multiple reflectors for light distribution. The lamp beads are at the bottom of the reflective bowl, and the focal length is 5.0 cm. The frosted surface, non-directional diffuse reflection, makes the reflected light softer and avoids strong light stimulation to passers-by and driving.

The invention discloses electronic equipment and a liquid crystal display. In the technical scheme, a backlight module of the liquid crystal display comprises a plurality of backlight regions, the plurality of backlight regions can used for independently controlling backlight brightness, so that local dimming is achieved by the backlight module, and a local region can be instantaneously highlighted. Switching between a bright state and a dark state is controlled by a switch panel and a liquid crystal display panel, the dark state can be lower, the bright states of different regions are high, high contrast is achieved, and HDR standard can be achieved by the liquid crystal display.

The invention discloses an automatic alarm device of load for a CNC motion shaft and a method thereof, and relates to an alarm device and a method. The device comprises a collector, a computer, an alarm and the like; the input end of the collector is connected to each motion shaft of a CNC machining center, and the output end of the collector is connected to the computer through a PLC programmablecontroller; and the computer is connected to the alarm and the CNC machining center respectively. The method comprises the steps of: collecting the load data of each motion shaft of the CNC machiningcenter, and transmitting the data to the computer after calculated; the computer comparing the load data with a set load, if overloaded, stopping the machining equipment of the CNC machining center in time, meanwhile outputting an alarm signal to an alarm corresponding to the motion shaft, and performing storage and output on overloading data information; and the alarm giving out a sound-light alarm. According to the automatic alarm device of load for the CNC motion shaft and the method thereof, automatic alarm of the load of the CNC motion shaft can be realized, the damage probability of thedevice is reduced to the lowest, the good running is realized, and running life of the device is maximized.

The invention provides an apparatus and method for testing the wear resistant performance of a material. The apparatus comprises a cover plate, a test piece vertical support, a test piece horizontal support, a water tank, a nozzle, a pressure meter, a flow meter circulation pump, and a pipeline. A test piece is installed in the water tank through the test piece vertical support and the test piecehorizontal support and is arranged on the ejection position of the nozzle. After the test piece is ejected for a period, the post treatment of the test piece to be measured is carried out by using a thermostat, an electronic scale, a high speed camera, and Origin software; and the apparatus can test and compare the wear resistant performances of one or more materials. The distance and angle between a test piece and a nozzle can be adjusted to simulate more working conditions, and the test result becomes more precise.

The invention discloses a brain wave recognition method based on a quantum neural network algorithm. The method comprises the following steps that step 1, a brain wave multichannel collection module collects brain wave signals; step 2, a brain wave multichannel signal amplification module amplifies the brain wave signals; step 3, a brain wave multichannel filtering module calls a quantum state multichannel preprocessing module and a quantum neural network module to filter the brain wave signals; step 4, a brain wave multichannel recognition module calls the quantum state multichannel preprocessing module and the quantum neural network module to carry out mode recognition and feature extraction on the brain wave signals; and step 5, the brain wave multichannel recognition module outputs a brain wave feature recognition result. According to the method, brain waves can be described by using a quantum state wave function, characteristics of coherence, superposition, wave particle bijection and the like among different brain wave signals can be described, and self-learning and training are further completed according to different scenes, so that the recognition effect is improved.

The invention belongs to the technical field of concrete durability monitoring, and relates to an ERT/ECT bimodal composite three-dimensional sensor, which is characterized in that a shielding box sleeves the outer part of a cover box, a plurality of small round holes are formed in the top surface and the side surface of the cover box, ERT electrodes are arranged in the small round holes, ECT electrodes are arranged on the outer sides of the ERT electrodes, the ERT electrodes are connected with an ERT data acquisition box through electrode leads, and the ERT data acquisition box is connected with the ERT data acquisition box. A conventional sensor is improved through discipline crossing and is applied to the field of concrete structure durability monitoring, a conventional cylinder design scheme is abandoned, an integrated cuboid design more conforming to a concrete structure is adopted, and the durability of the concrete structure is monitored. Meanwhile, the sizes, combination modes, placement modes and positions, supporting structures, shielding devices, electrode leads and leading-out modes of the electrode leads of the two sets of electrode arrays are comprehensively optimized and designed, three-dimensional visual nondestructive monitoring of the intrusion process of the water in the concrete structure is achieved, and a scientific means is provided for durability research of the concrete structure.

The invention provides a house resource searching system. The house resource searching system comprises a server and a plurality of clients connected with the server. An electronic map can be displayed in the client, and a graphic information acquisition module and a commuting information input module are arranged in the client; the server is provided with an API connected to an electronic map provider to obtain electronic map data, and is provided with a storage module, a graphic house resource matching module and a commuting house resource information matching module. The house resource searching system is a multi-dimensional house-finding tool with high expansibility.

The invention provides a game interface display method and device, equipment and a storage medium, and relates to the field of games. The method comprises the following steps: in response to a selection operation for first virtual equipment in a game interface, displaying a first information page corresponding to the first virtual equipment in a first area of the game interface; determining second virtual equipment to be compared with the first virtual equipment; and displaying a second information page corresponding to the second virtual equipment in a second area of the game interface, wherein the first information page and the second information page respectively contain the same attribute entry, and the position of the same attribute entry in the first information page is the same as the position of the same attribute entry in the second information page. Compared with the prior art, the invention avoids the problem that the comparison effect is not visual when the attribute information of the virtual equipment is compared.

The embodiment of the invention provides a Chinese and foreign language information comparison method and device. The method comprises the steps that Chinese keyword information and foreign language keyword information corresponding to a source file and a target file respectively are extracted, wherein the source file is a Chinese file, the target file is a foreign language file, and the source file and the target file have the same file type; and obtaining Chinese translation information corresponding to the foreign language keyword information, and comparing the Chinese translation information with the Chinese keyword information. The device executes the method. The embodiment of the invention provides a Chinese and foreign language information comparison method and device. The Chinese keyword information and the foreign language keyword information are extracted, the Chinese translation information corresponding to the foreign language keyword information is compared with the Chinese keyword information, the comparison object is the keyword information, and the difference of the source target file can be quickly searched, so that Chinese and foreign language information comparison can be efficiently realized.

The invention discloses a real-time monitoring system, device and method for tool breakage in the machining process of a numerical control machine tool. The method comprises the following steps: carrying out differential processing on an accumulated pulse number collected by a collection grating ruler to obtain time domain data, carrying out Fourier transform on the time domain data, converting the time domain data into frequency domain data, extracting the amplitude of a feature frequency from the frequency domain data, comparing the amplitude with the reference threshold value to judge whether the cutter is short or not in order to monitor the cutter breaking condition of the cutter in real time with high sensitivity in the machining process. The current health state of the cutter can bemonitored in real time, the machining process does not need to be interrupted, and the production efficiency is not reduced. The judgment method is simple, reliable and high in judgment accuracy; andno additional sensor is needed, hardware cost is reduced, and integration with a machine tool is facilitated.