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	Gauss-Bonnet Theory and Applications in Cosmology 期刊论文 ASTRONOMISCHE NACHRICHTEN, 2025, 页码: 11 Authors:  Hu, Zirui;  Gao, Zhifu;  Chen, Cixing;  de Andrade, Luiz Carlos Garcia;  Vasconcellos, Cesar Augusto Zen Adobe PDF(288Kb)  |  Favorite  |  View/Download：8/1  |  Submit date：2025/05/21 cosmology  dark energy  Gauss-Bonnet gravity  modified gravity  singularities  torsion
	Wideband Conical-Beam Circularly Polarized Microstrip Antenna for Large Ground Plane 期刊论文 Ieee Transactions on Antennas and Propagation, 2015, 卷号: 63, 期号: 10, 页码: 4614-4619 Authors:  Yu, Dan;  Gong, Shu-Xi;  Wan, Yang-Tao;  Jiang, Wen Adobe PDF(931Kb)  |  Favorite  |  View/Download：148/0  |  Submit date：2017/07/03 Circular-polarization  Conical-beam  Large Ground Plane  Modified  Elliptical-ring Slots  Shorting Vias  Wideband