Results 71 to 80 of about 5,646,026 (251)
Comparison of the Variations of Sunspot Number, Number of Sunspot Groups, and Sunspot Area, 1875 -2013 [PDF]
, 2014 Examined are the yearly variations and ratios of sunspot number, the number of sunspot groups, and the total corrected sunspot area for the interval 1875-2013.
Wilson, Robert M.
core
Temporal Distribution of Solar Cycle 24 Sunspot Groups: Comparison to Cycles 12-23 [PDF]
, 2021 We analyze the temporal distribution of sunspot groups for even and odd cycles in the range SC12- SC24. It seems that cycle 24 is a characteristic even cycle, although with low amplitude.
Takalo, Jouni J.
core +1 more source
VIEW, EarlyView.Rare‐earth ions act as multifunctional modifiers in perovskite solar cells by improving charge transport, suppressing oxygen vacancies, passivating defects, promoting grain growth, and enabling redox‐mediated stabilization. In addition, RE‐doped layers can expand spectral utilization through upconversion and downconversion, thereby enhancing light ...
Jiaqi Meng +9 more
wiley +1 more source
On the magnetic configuration of sunspot groups which produce solar proton flares [PDF]
, 1969 H alpha brightening over sunspot groups in magnetic field ...
Sakurai, K.
core
VIEW, EarlyView.In a cross‐sectional cohort of 104 participants, 7 T susceptibility separation MRI and diffusion imaging were combined with retinal imaging and visual evoked potentials to characterize visual pathway involvement in adrenomyeloneuropathy (AMN). Absolute diamagnetic susceptibility, a myelin‐associated measure, and fractional anisotropy (FA) showed ...
Ronghao Li +17 more
wiley +1 more source
Low-latitude Sunspot Group Tilt Angles in 15–24 Activity Cycles
The Astrophysical JournalAn analysis of the tilt angles of the active regions in 15–24 activity cycles was performed. We used data from measurements of magnetic fields in the sunspot umbra in the period 1918–2019 at the Mount Wilson Observatory, as well as the tilt angles of ...
Andrey G. Tlatov
doaj +1 more source
VIEW, EarlyView.Abstract Age‐related macular degeneration (AMD) is a degenerative retinal disorder and a leading cause of global visual impairment, yet effective treatments remain limited. While gastritis is a prevalent clinical condition among older populations and has been associated with adverse effects on the central nervous system, its potential association with ...
Jingxin Zhou +5 more
wiley +1 more source
Increasing lifetime of recurrent sunspot groups within the Greenwich photoheliographic results
, 2009 Long-lived (> 20 days) sunspot groups extracted from the Greenwich Photoheliographic Results (GPR) are examined for evidence of decadal change. The problem of identifying sunspot groups that are observed on consecutive solar rotations (recurrent sunspot ...
Willis, David M. +5 more
core +1 more source
Unveiling Otolith Mystery: Contemporary Testing Approaches and Their Clinical Significance
World Journal of Otorhinolaryngology - Head and Neck Surgery, EarlyView.ABSTRACT Objective Otolith is a critical component of the peripheral vestibular system responsible for detecting linear acceleration. Dysfunction of the otolith organs can lead to vertigo, balance disturbances, and gaze instability. By elucidating the physiological foundations and evaluating both current and emerging methods for assessing otolith ...
Shun Zhou +16 more
wiley +1 more source
Long-term variation in distribution of sunspot groups
, 2004 We studied the relation between the distribution of sunspot groups and the Gleissberg cycle. As the magnetic field is related to the area of the sunspot groups, we used area-weighted sunspot group data.
E. Forgács-Dajka +2 more
core +1 more source