Graphene-based Nanogenerator: Experiments, Theories and Applications
- PDF / 610,079 Bytes
- 7 Pages / 432 x 648 pts Page_size
- 28 Downloads / 202 Views
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
15
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h ȝP VL]H JUDSKHQH ILOP ZKLFK HTXDWHV WR D SRZHU SHU XQLW DUHD RI :P 0ROHFXODUG\QDPLFVVLPXODWLRQVLQGLFDWHWKDWWKHSRZHUJHQHUDWLRQLVSULPDULO\FDXVHGE\DQHW GULIWYHORFLW\RIDGVRUEHG&OLRQVRQWKHFRQWLQXRXVJUDSKHQHILOPVXUIDFH
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
Data Loading...