Currently, much attention has been paid to smart grid from the whole world and it is the core of modernization of power grid in China. As the link of power generation and users, source of operation data in power grid and the execution unit, substation plays a great role in the safe operation and reliability
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The increasingly development of technological drives the development of aerospace technology, shipbuilding industry, automobile industry and highly sophisticated device. All these are taking higher manufacturing requirements to the machine tools. With great carrying performance, low frictional resistance, long service life, high aseismic behavior, high precision and well stability, hydrostatic support system has became the core
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CNC high speed machining technology is the second revolution in manufacturing technology to make the leap to a high-tech. It not only has a very high production efficiency, but also can significantly improve the machining accuracy and surface quality. Since the eighties of last century this rapid rise in industrial countries, has now entered a
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As the key equipment in modern manufacturing, high precision and speed of CNC machine tools have become more and more important to the advanced manufacturing. The performance of a machine tool depends on its static and dynamic characteristics. It is of great significance to study the reliable method for the analysis of the static and
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The precise frequency control for the dust removal blower of steelmaking blast furnace is an effective means of achieving energy-saving, which is a popular technology adopted by most modern iron and steel enterprises. Under the background of the transformation of steelmaking blast furnace system of Shougang Group Changzhi Steel Mill, the paper studies on the
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GaN materials is the new semiconductor materials in development of microelectronic devices, optoelectronic devices. Research and Application of GaN materials is currently the world’s semiconductor research frontier and hot. As we all know, the elementary excitations are the important theoretical basis to reveal the nature of electron-electron interaction. Therefore, the research on the properties of
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The number of dam in China is largest of the world, most of which are earth-rock dams. Dam damage in the earth***** will seriously threaten people’s lives and property safety, is one of the serious earth***** disasters. Therefore, the study on the rule of the dam damage in the earth***** has an important practical significance.This
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With the continuous growth of population, the rapid development of economy and the strengthening of urbanization, the water pollution problem of our country is getting seriously. Liao River is one of the seven biggest rivers. It is the main potable water source region and the water storage the pollutants from the coastal area. The river
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Home-based Community health care system proposed in this subject is designed for old people who spend most of their time at home. By designing Home medical information terminal which is placed in the user’s home and Service program for Community Hospital, the system can achieve the purpose that doctors, nurses of Community Hospital provide medical
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In this thesis, an optimization medical data transmission structure which composed of medical data acquisition devices, the gateway equipment, network, health care center is proposed in consider of the defect of the domestic home personal health information data acquisition system which use personal terminal as the Ethernet interface in medical data transmission, and a low
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