调色板 发表于 2025-3-28 17:54:36
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http://reply.papertrans.cn/63/6289/628807/628807_45.pngmurmur 发表于 2025-3-29 12:28:16
Channel Transition Monitoring Based Spectrum Sensing in Mobile Cognitive Radio Networkssing mechanism, but also ensures reliability of the sensing and improves the spectrum efficiency. Our simulation results show that the proposed mechanism outperforms the traditional mechanism. Our method supplements the traditional sensing mechanism and enhances the efficiency of cognitive radio networks.腐蚀 发表于 2025-3-29 17:19:47
Annonaceous Acetogenins,l unit at C-2; the propanol is incorporated into a 2,4-disubstituted γ-lactone which can assume several different forms. Usually, one, two, or three tetrahydrofuran (Thf) rings exist in the middle of the long hydrocarbon chain, which often contains a number of oxygenated moieties (hydroxyls, acetoxyls, ketones, epoxides), and/or a double bond.殖民地 发表于 2025-3-29 23:41:30
https://doi.org/10.1007/978-3-031-48291-5ervices, but also to facilitate innovation and capacity building for development. The aim of this paper is to examine the role that digital technologies plays in economic diversification in GCC countries. Digital technologies encourage investment in manufacturing production and knowledge creation, w旁观者 发表于 2025-3-30 00:49:35
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Rohstoffe und Entwicklungsstrategien in Lateinamerikaa hingegen auf Erdölexporte mit partieller Sozialisierung der Erdölrente. Beide Staaten suchen nach politischen Lösungsansätzen jenseits des Neoliberalismus. (3) Chile wird dazu kontrastierend als stärker wirtschaftsliberal orientiertes Land mit traditionell dominantem Kupfersektor gewählt. Es wird