The invention discloses a 2D dynamic calibrating table, for calibrating a GPS system arranged on a construction, comprising: a bearing frame, a moving platform, a double-layer two-way movement mechanism arranged between the bearing frame and moving platform to drive the moving platform to make 2D mo.....
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The present invention relates to a pseudo-element detector, the use of digital video streaming Check and record the security document or article, comprising: an input unit, provides the user a selection screen; processing unit, the input unit according to a selection signal issued by the control lig.....
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The present invention relates to a pyridine carboxylic acid as a ligand for Oxo acid, acetic anhydride positive ions bimetallic catalysts. The catalyst is pyridine carboxylic acid ion activity center with Rh (I) the formation of chelate-type square planar cis-dicarbonyl ligand structure, pyridine ca.....
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The present invention provides a simple and effective compensation for voltage transients of the reference signal generator, which consists of the relay, and the Butterworth filter, linking together, the input signal passes through the reference signal generator to generate a total low harmonic dist.....
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The invention provides a voltage regulation circuit of illuminating lights, which is suitable for an illumination system which is serially composed of a main power source and an illumination load. The single-phase illumination system comprises the main power source which outputs sine alternating cur.....
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