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134 results about "Standard element" patented technology

The standard state of a chemical substance is its phase (solid, liquid, gas) at 25.0 °C and one atmosphere pressure. This temperature/pressure combo is often called "room conditions.". Two elements are liquid in their standard state: mercury and bromine. Eleven elements are gas in their standard state.

Slope water-soil loss experiment device and method under combined extreme meteorological conditions

The invention relates to a slope water-soil loss experiment device and method under combined extreme meteorological conditions. The experiment device comprises an experiment table, a combined extreme environment simulation unit and a control system unit, wherein the experiment table comprises a bottom base, a slope base plate, a downstream baffle plate, soil block standard elements and an experiment table regulating device; the combined extreme environment simulation unit comprises a rainfall simulation device, an air field simulation device, a freezing rain simulation device, a snowfall simulation device, a sunlight simulation device, an air temperature simulation device and an overland flow simulation device; the control system unit comprises a power supply system, a water supply system and a signal acquisition and processing system. According to the invention, the slope water-soil loss experiment device and method under combined extreme meteorological conditions perform indoor simulation and measurement of a slope water body loss situation under a single or combined extreme meteorological conditions of rain storm, rain and snow, freezing rain, flood, drought, high temperature and the like, can achieve accurate and reliable results, and can be widely applied to water-soil loss monitoring, principle analysis and governance under complex variable meteorological conditions.
Owner:CHINA THREE GORGES CORPORATION

Electric energy meter sample appearance and PCB element detection method

The invention discloses an electric energy meter sample appearance and PCB element detection method, and belongs to the technical field of electric energy meter image management and application. The method comprises the following steps: S1, establishing a standard element characteristic database, and obtaining front-surface, side-surface and reverse-surface to-be-detected images of a PCB; S2, performing detection preprocessing, establishing a background difference, and carrying out such processing as correcting, splicing and segmenting on detected images; S3, carrying out detection area analyzing on the processed images, and determining an element area or a solder point and circuit area, or a character and other area exists on the PCB; S4, carrying out image characteristic matching, in case of image matching success, performing element identification processing, in case of characteristic matching failure, determining whether image detection goes beyond a boundary, if not, performing local area search on patterns, and returning and continuously executing the element area detection step; and S5, generating a detection form. The electric energy meter detection method provided by the invention is novel in design, quite low in cost, high in accuracy, high in detection efficiency and good in detection effect, thereby facilitating popularization and application.
Owner:广东电网有限责任公司汕尾供电局

Classification compiling method supporting several persons to online compile XBRL

The invention discloses a classification compiling method supporting several persons to online compile XBRL. The classification compiling method comprises the specific achieving processes that an enterprise classification standard mode file is established; an enterprise classification standard element library is established; an enterprise classification standard expansion chained character library is defined; a definition chained library, a report chained library and a calculation chained library are compiled according to report compiling rule requirement; a compiled enterprise classification standard is checked, and the positions where the enterprise classification standard is not standard are corrected; the enterprise classification standard which is checked to be correct is exported, and the enterprise expansion classification standard is formed. Compared with the prior art, the classification compiling method supporting the several persons to online compile the XBRL has the advantages that original multi-person XBRL single machine tool work division operation merging is changed into multi-person simultaneous online operation, the repeated adding work amount of the element chained library, the character chained library and the expansion chained library is reduced, the accuracy of compiling the classification standard is improved, practicability is high, and popularization is easy.
Owner:INSPUR GROUP CO LTD

Vacuum air-tight sealed SMD-UV-LED (surface mounted ultraviolet light-emitting diode)

InactiveCN108598246ARealize mass productionSolve the problem of rapid degradation of light output performanceSemiconductor devicesMetal frameworkSurface mounting
The invention discloses a vacuum air-tight sealed SMD-UV-LED (surface mounted ultraviolet light-emitting diode). The vacuum air-tight sealed SMD-UV-LED comprises a substrate, four metal frameworks symmetrically with each other are mounted on the periphery of a top edge of the substrate, first sealed layers are arranged between bottom portions of the metal frameworks and top portions of edges of the substrate, top ends of the metal frameworks are connected with peripheric bottom edges of optical glass window, second sealed layers are arranged between top portions of the metal frameworks and bottom portions of peripheric edges of the optical glass window, the first sealed layer and the second sealed layer are in sealed packages, a relatively sealed cavity is formed among the substrate, the metal frameworks and the optical glass window, and massive production can be realized by the aid of the production design. The vacuum air-tight sealed SMD-UV-LED being a standard element which is low in cost, miniaturized and surface-mounted solves the problem that a non-air-tight sealed ultraviolet LED deteriorates quickly in light output performance after working hundreds of hours due to the facta sealing level cannot meet the requirement, is capable of meeting an extremely high requirement on radiation of a high-power chip by the aid of a semiconductor cooling structure comprising a thermoelectric cooler TEC, and is suitable for popularization.
Owner:GUANGDONG GASTIGHT HERMETICAL COMPONENT

Method and apparatus for detecting miniature bearing ferrule 45 degrees inner chamfer angle rapidly and accurately

InactiveCN101413777ASolving Accurate Detection ProblemsImprove chamfer detection efficiencyAngles/taper measurementsWork in processEngineering
The invention relates to a method for fast and accurately measuring a 45-degree inner bevel of a miniature bearing ring. According to the principle that the two right-angle sides of a 45-degree chamfer angle are of the same length, a method of comparing with a standard element, the inner bevel of which is C1*45 degrees, is adopted, and the actual chamfer angle of the inner ring to be measured is measured fast and accurately by moving a 90-degree gauge head up and down. A measuring device consists of a base 1, a bracket 2, a dial test indicator 3, the 90-degree gauge head 4 and a standard element or an inner ring to be measured 5; the base is fixed with a pole bracket; the bracket is provided with the dial test indicator, measuring range of which is 0-5mm; the checked 90-degree gauge head is arranged on the dial test indicator; and the base below the 90-degree gauge head is used for placing the standard element or the inner ring to be measured. The dial test indicator is adjusted to zero position, if the size of a semi-finished inner ring chamfer angle is 0.2mm with the tolerance of 0 to +0.05mm, the inner bevel of the finished inner ring to be measured is 0.1mm which is within the tolerance of -0.02 to +0.03mm.
Owner:LUOYANG BEARING SCI & TECH CO LTD

Bidirectional synchronous symmetrical displacement slide table

The invention discloses a bidirectional synchronous symmetrical displacement slide table, which comprises a slide table base, a driving mechanism and a linear moving slide table device, wherein the driving mechanism is arranged on the slide table base, and comprises a motor, a gear transmission mechanism and two ball screw pairs; the gear transmission mechanism is connected with the motor; the two ball screw pairs are connected with the gear transmission mechanism; the linear moving slide table device comprises two rolling linear guide rail pairs arranged on the slide table base; two sides of two moving slide table plates are fixedly connected onto a guide rail sub slide block; the middles of the moving slide table plates are fixedly connected with a lead screw pair screw nut of the driving mechanism. The device has the advantages that the two ball screw pairs and the two rolling guide rail pairs are used; the reliability is high; the service life is long; the symmetrical synchronous same-speed and precise moving of two slide tables on one base can be realized. Meanwhile, the customized processing is not needed; all components can use standard elements; the manufacturing cost is low; the design dimension structure can be changed according to the design principle for adapting to different use conditions. The installation and the regulation are convenient and fast; the dismounting and the removing are convenient.
Owner:NANJING UNIV OF SCI & TECH +1

Device and method for calibrating high-precision temperature sensor

The invention provides a device and method for calibrating a high-precision temperature sensor to solve the problems of relatively high cost and slow calibration speed for temperature calibration after assembly into finished products in the prior art. The device includes: a test board, and a high-precision temperature sensor to be calibrated, a high-precision temperature reference element and a high-precision analog-to-digital converter placed on the test board, and also includes: a reading unit; a high-precision temperature reference element, a high-precision analog-to-digital converter The converter is connected to the reading unit in sequence, and the high-precision temperature sensor to be calibrated is connected to the reading unit. The method includes: heating the high-precision temperature sensor to be calibrated and the high-precision temperature reference element to the target temperature; respectively reading the high-precision temperature sensor to be calibrated and the high-precision temperature reference element; and obtaining calibration data according to the read values. The invention completes the temperature test and calibration of the high-precision temperature sensor at the chip stage, effectively reduces the cost, and has high calibration speed.
Owner:BEIJING ZHILIANAN TECH

Method for realizing business process integration of XBRL application platform

The invention relates to an online display platform of an extensible business reporting language XBRL and discloses a method for realizing business process integration of the XBRL application platform to solve the problem in traditional technologies that business staffs of the XBRL platform are required to have a high capability. The method comprises that enterprise basic information is established; enterprise classification standard elements are set; attributes are set for the enterprise classification standard elements; extension of five linkage libraries is carried out to the enterprise classification standard elements; an XBRL classification standard document is formed; the XBRL classification standard document is displayed visually; a business statement is led in; relevance relation configuration is carried out based on the led-in business statement and the XBRL classification standard document; an instance document is displayed visually; XBRL configuration is carried out to the instance document; and inspection and rule examination are carried out to the instance document, and a whole XBRL financial report document is completed finally. The method for realizing the business process integration of the XBRL application platform provided by the invention is applicable to rapidly reporting a financial report on an XBRL intelligent reporting platform.
Owner:SICHUAN CHANGHONG ELECTRIC CO LTD
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