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More Electric Aircraft (MEA) is a promising aircraft, replacing air pressure system, hydraulic systems and mechanical systems by power system. Nevertheless, the increase of electrical equipment inevitably leads to more problems in aircraft safety problems, of which the arc fault has a great influence. This manuscript is aimed at series arc in because it's not easy to detect. To solve the problem of...
CaO-Al2O3-SiO2 porous glass-ceramic was synthesized with different Al2O3/SiO2 ratios. DTA, XRD, SEM, 3-point bending and acid resistance as well as alkali resistance were tested in the paper to focus the effect of Al2O3/SiO2 ratio on the properties of porous pegmatite glass-ceramics. The results show that parawollastonite as the main crystal phase is kept stable with the increasing of Al2O3/SiO2 ratio,...
Fouling in sewage heat exchanger mainly restrict large-scale application of sewage-source heat pump. This article introduces the influence of scaling on heat transfer and pressure drop. Based on the scale removal methods home and abroad, excogitates on-line cleaning method of biofouling in sewage-source heat pump, and briefly introduces the principle of on-line cleaning method.
FinFET is the most promising double-gate transistor architecture to extend scaling over planar device. We present a high-performance and low-power FinFET module at 25 nm gate length. When normalized to the actual fin perimeter, N-FinFET and P-FinFET have 1200 and 915 ??A/??m drive current respectively at 100 nA/??m leakage under 1V. To our knowledge this is the best FinFET drive current at such scaled...
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