Zobrazeno 1 - 10
of 813
pro vyhledávání: '"collision rate"'
Autor:
Shihab Jimaa, Arafat Al-Dweik, Mohammed Alenezi, Kok Keong Chai, Herminio Vendiola, Waleed Hathal
Publikováno v:
IEEE Access, Vol 12, Pp 45495-45506 (2024)
The rapid growth of the Internet-of-things (IoT) in recent years has led to the development of new access technologies targeting low-power wide area networks (LPWANs). LPWAN is a promising solution for long-range and low-power IoT and machine-to-mach
Externí odkaz:
https://doaj.org/article/98ad07fec01d47d19941ba0f643d1db8
Autor:
Shikha Rathi, Lalita Sharma
Publikováno v:
Atoms, Vol 12, Iss 8, p 39 (2024)
A collisional radiative model for Kr III in the ultraviolet regime is developed. For this purpose, atomic parameters for 4s24p4, 4s4p5, 4s24p3nl, and 4s24p35d configurations with n ranging from 5 to 7 and l=s,p, using the multiconfiguration Dirac–H
Externí odkaz:
https://doaj.org/article/44dbf294b8804f2c9b2d5661280cc638
Publikováno v:
Earth, Planets and Space, Vol 75, Iss 1, Pp 1-11 (2023)
Abstract We study the effect of the mirror force on the collision rate due to the energetic electron precipitation into the ionosphere. We solve the motion of individual precipitating electrons with the mirror force, where collisions with neutral gas
Externí odkaz:
https://doaj.org/article/3b5fade8fac742ad81b6cc56e099b24a
Publikováno v:
Frontiers in Earth Science, Vol 10 (2023)
Based on 30 complete wire icing processes lasted longer than 24 h observed from the Enshi, Jinsha, Dacaoping and Shennongding of Shennongjia in mountainous areas of Hubei province during the winter of 2008–2016, the macroscopic effects of rain–fo
Externí odkaz:
https://doaj.org/article/3b13df84df2d45109b99b6afee67a1ad
Autor:
Moritz Mercker, Klaus Jödicke
Publikováno v:
Ecology and Evolution, Vol 11, Iss 23, Pp 16716-16726 (2021)
Abstract The continuing global expansion of electricity networks increases the risk of bird collisions with power lines. Several field studies have demonstrated that this risk can be reduced by marking lines with flight diverters. A before‐after co
Externí odkaz:
https://doaj.org/article/d19f8cf67762427a923770917eab1532
Akademický článek
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Publikováno v:
Wahana Fisika: Jurnal Penelitian Fisika dan Terapannya, Vol 5, Iss 1, Pp 19-27 (2020)
Asteroid dekat-Bumi diketahui memiliki orbit yang kaotik akibat seringnya terjadi papasan dekat dengan planet-planet terestrial. Orbit yang kaotik dapat membuat populasi objek ini berakhir sebagai penumbuk matahari maupun planet-planet. Dalam penelit
Externí odkaz:
https://doaj.org/article/d24a2d8d34e4415bb3d5b384eb8a7e6b
Publikováno v:
IEEE Access, Vol 8, Pp 191495-191509 (2020)
Long-Range (LoRa) communication technology is considered as a promising connectivity solutions for Internet of Things (IoT) dense applications. In particular, LoRa has drawn the interest due to its low power consumption and wide area coverage. Despit
Externí odkaz:
https://doaj.org/article/f83f8693d2924501b83805ef4ec8f3ab
Akademický článek
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Publikováno v:
IEEE Access, Vol 7, Pp 56974-56985 (2019)
Accumulation of pollution particles on outdoor insulators is the premise of pollution flashover accidents in power systems. In this paper, according to the actual operating polymer insulators, the wind velocity, the concentration of pollution particl
Externí odkaz:
https://doaj.org/article/ad28aa35d39347bba6e01f49f4d18b13