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Gabriel M. Carral, Jesús Liñares, Eduardo F. Mateo and Xesús Prieto-Blanco
We analyze autocompensation possibilities in entanglement-based QKD protocols. In particular, we study the seminal BBM92 protocol and find that an autocompensating technique is possible, although with severe limitations. This prompts the introduction of ...
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Tianhao Cai, Feng Lyu, Tianzhi Wang and Fushi Huang
Conventional cabled seafloor observatories (CSOs) power in-situ instruments via wet-mated or dry-mated direct electrical contact (DEC) connectors to achieve long-term and real-time observation. However, the DEC connectors have high risks of water leakage...
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Daniel Alcala-Gonzalez, Eva Maria García del Toro, María Isabel Más-López and Santiago Pindado
The increase in the installation of renewable energy sources in electrical systems has changed the power distribution networks, and a new scenario regarding protection devices has arisen. Distributed generation (DG) might produce artificial delays regard...
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Zhongsheng Chen, Yeping Xiong and Yongxiang Wei
Piezoelectric metamaterial plate (PMP) is being investigated for structural vibration energy harvesting (SVEH), in which an interface circuit is often used. Thus, it is a challenge to perform bandgap optimization of such an elastic?electro?mechanical cou...
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Fengling Zhang, Lin Li, Yu Fan and Jiuzhou Liu
The proposed method can be applied to bladed disks of the compressors of aero-engines, as a light-weight and adaptive damping solution. Some practical issues should be addressed before industrial implementation, such as distribution of piezoelectric mate...
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Tetyana Kovtun
Pág. 113 - 120
The subject of the research in the article is the reverse flows of material resources within the circular processes of closed supply chains of the logistics system with feedback. The aim of this article is to develop a model of the formation of reverse m...
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Yunchuan Deng, Ke Huang, Dongdong Su and Zhigang Liu
Complete and accurate spatial magnetic field description is the premise of effectively assessing the power supply capability of a high-speed railway (HSR). Its evaluation indicators are the current distributions and the integrated impedance of traction n...
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Pisitpol Chirapongsananurak and Surya Santoso
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Ignacio Pérez Abril,Reinier Herrera Casanova,Omar Alvarez Fleites
Pág. 188 - 197
Los sistemas de distribución primaria contienen asimetrías en los circuitos ramales y en las cargas que son la fuente del desequilibrio de las corrientes de fase. Este trabajo define el problema de balanceo de fases como la minimización de tres objetivos...
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Ignacio Pérez Abril
Pág. 84 - 93
El desequilibrio de las corrientes de fase en los circuitos de distribución primaria provoca dos problemas fundamentales: las pérdidas de energía en los alimentadores se incrementan y la presencia de una alta corriente de neutro en operación normal hace ...
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