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Keyword: Electron Density
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6 Pages, 830 KB Download PDF

The First Study on Ionospheric Peak Variability over Equatorial Africa (COSMIC-2)

Advances in Science, Technology and Engineering Systems Journal, Volume 10, Issue 4, Page # 14–19, 2025; DOI: 10.25046/aj100402
Abstract:

In regions like the African equatorial region, where ground-based sensors like ionosondes and incoherent scatter radars are limited, satellite-based radio occultation (RO) observations offer a new alternative for ionospheric data collecting and optimization. Using RO measurements from the mostly newly launched COSMIC-2 (Constellation Observing System for Meteorology, Ionosphere, and Climate-2) mission, hence, the equatorial Africa,…

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(This article belongs to Section Meteorology & Atmospheric Sciences (MAS))
Open AccessArticle
7 Pages, 831 KB Download PDF

Theoretical study for Laser Lines in Carbon like Zn (XXV)

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 4, Page # 334–340, 2021; DOI: 10.25046/aj060437
Abstract:

The energy states, transitions chances, oscillator intensities, and collision intensities were computed with FAC (fully relativistic flexible atomic code) program. The calculated results were utilized for identification of the reduced population to sixty-nine thin structural states in C-like Zn (XXV) and indicates the gain coefficients with several electron densities (from 10+20 to 10+22 cm3) and…

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(This article belongs to Section Atomic, Molecular & Chemical Physics (PMC))

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