Multi-axis shaking test system is an important apparatus which is widely used in many main industrial and engineering fields,such as aerospace, irrigation works,automobile,etc. Upon the background of National Defense 985 Project to develop equipment manufacturing technology in the extreme environments, which is developed by IEST。In order to realize control functions,the servo control strategy of the
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One of the important reasons for the water resources waste is caused by city groundwater pipeline leak, as freshwater resource exhausting, people are paying more and more attention to the pipe leakage detection.The voice signal to leak leakage detection collection and analysis is the most effective methods, many of the relevant units are in the
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With the rapid development of mobile phone (function), the phone dome function are updating also, so it bring high assembly requirement for the mobile phone dome.Current, most factories of our country are manual assembly process,and current labor situation is very lacking which limited enterprise development and caused dome assembly unstably.So, in dome assembly process, how
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CNC technology is the cornerstone of advanced manufacturing technology, anddomestic CNC machine tools still have many shortcomings, such as low productivity,low precision and so on. Compare with CNC machine tools from abroad, there is aconsiderable gap. This situation restricted the development of China’s numericalcontrol industry. While with the increase of computer’s processor speed, it makes
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Ultrashort laser is an advanced technology widely used, one of the ideal ultra-precision micro-machining means. Ultrashort laser is developing toward the directions of the shorter wavelength and the shorter pulse,157nm excimer laser and femtosecond laser are the most representative.157nm excimer laser owns advantages of high single-photon energy, minimal heat affected zone and high etching precision;
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Preparative Liquid Chronmatography is a new and efficient separation technique,thus,Chronmatography instruments has an important role in the complete purification and largerquantity separation of natural substances, widely using in many fields such aspharmaceuticals,fine chemistry and food engineering industriy.The development ofPreparative Liquid Chronmatographic instrument is a more complex system engineerinvolving in machnics, electronics,automation,computer,etc.Preparative Liquid Chronmatographic instrument is
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In recent years, power quality problems have caused gradually the power departmentand users’ concern and attention. On one hand, as a large number of the impact,asymmetric and nonlinear of the voltage have been put into operation of power grid, makethe power quality problems increasingly serious such as the harmonic, voltage fluctuationand three-phase voltage unbalance. On
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Along with aggravation increasingly of pollution from plastic wastes, it is difficult problem for each factory to look for urgently substitute which replace current performance of plastic bags and do not result in pollution from plastic wastes. Just about such background, people are just put forth effort in the development of green packing industry which
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The integrated zoom camera,which is integrated in lens,CCD chip,video processing circuits,control communication circuits,power,chassis,and so on as a whole.This type of cameras can focus,zoom, auto-focus, auto-zoom and auto-iris.Compared with traditional cameras,the integrated zoom cameras are a compact, the special design of appearance, the power, video, control signals are directly jack, also they have more simple connection
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The integrated zoom camera,which is integrated in lens,CCD chip,video processing circuits,control communication circuits,power,chassis,and so on as a whole.This type of cameras can focus,zoom, auto-focus, auto-zoom and auto-iris.Compared with traditional cameras,the integrated zoom cameras are a compact, the special design of appearance, the power, video, control signals are directly jack, also they have more simple connection
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