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In the 21st century, electricity supply will face more and more challenges, trends of lowcarboneconomy and energy conservation work requirements for safe and reliable operationof power systems and green economic development put forward new and higherrequirements. With the increasing complexity of the power system and power systemoperating environment continues to advance, the traditional power network...
Machining distortion of monolithic component is one of the most striking problems that aircraft manufacturing has to face up to. A physics-based material removing process simulation in computer is approached to analyze and control machining distortion. The actual material removing process is simplified and modeled with equivalent chip of uniform thickness. With a single tool-tooth milling process...
Spatially Offset Raman Spectroscopy (SORS) and Transmission Raman Spectroscopy (TRS) are methods for analysing bulk turbidly scattering materials such as powders, tablets, suspensions and other chemical mixtures, and provides non-invasive measurements with high selectivity and sensitivity. They can be effectively used for non-invasive probing of the content of pharmaceutical capsules and tablet and...
The manufacturing quality of an aircraft structure greatly relies on the experienced technician with consistent riveting process. Generally, the cost for training an experienced technician is very high. However, manufacturing defects are still unavoidable due to the human errors. In this paper, a quality inspection system for riveting process by using neural network (NN) was developed. This inspection...
Sulfur dioxide is an air pollutant and an acid rain precursor. Coal-fired power generating plants are major sources of sulfur dioxide, so the limestone-gypsum wet flues gas desulphurization (WFGD) technology has been widely used in thermal power plant in China nowadays to reduce the emission of sulfur dioxide and protect the environment. The absorber slurry pH value control is very important for limestone-gypsum...
BaTiO3 based ceramics were applied widely to make electronics units. But conventional processing of BaTiO3 ceramic particles relies on the solid-state reactions, by which the coarse, impure, inhomogeneous and multiphase powders were produced. In this paper, new method was used to synthesize BaTiO3 based ceramic nanopowder with the particle size 20- 90 nm by use of Ba(NO3)2 - Ti(OC4H9)4-ammonia-citric...
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