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Xiangdong Sun, Lijun Lu, Li Qi, Yingjie Mei, Xiaoyun Liu and Wufan Chen
Electrical properties provide essential information for cancer detection and specific absorption rate (SAR) estimation. Magnetic resonance electrical properties tomography (MREPT) is an approach to retrieve the distribution of electrical properties. The ...
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Vladimir Burlaka,Elena Lavrova
Pág. 38 - 43
This paper proposes a circuit solution and a control algorithm for a welding power source for TIG-AC welding with improved energy characteristics. The source is made using a welding transformer and a low-voltage series active power filter on power field ...
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Oleksandr Plakhtii,Volodymyr Nerubatskyi,Nadiia Karpenko,Denys Hordiienko,Olha Butova,Hryhorii Khoruzhevskyi
Pág. 36 - 44
The traction electric drives for electric rolling stock of alternating current employ the diode and thyristor rectifiers that predetermine a series of shortcomings. These include the significant emission of reactive power and higher harmonics of currents...
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Yonghua Wu, Jiali Yang, Shuanglong Wang, Zhitian Ling, Hao Zhang and Bin Wei
White organic light-emitting diodes (WOLEDs) with higher performance, which have enjoyed application in high-quality lighting sources, are here demonstrated with improved optical and electrical properties. The integration of a novel transparent distribut...
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Amit Geva, Haim Abramovich and Rimon Arieli
The presented aircraft is capable of alternating between two singular working points by folding the exterior surfaces of the wing underneath the interior surfaces. This allows for a significant change in wingspan, lift surfaces, aspect ratio and airfoil ...
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