Results 71 to 80 of about 9,553 (254)
Active Latitude Oscillations Observed on the Sun
We investigate periodicities in mean heliographic latitudes of sunspot groups, called active latitudes, for the last six complete solar cycles (1945-2008). For this purpose, the Multi Taper Method and Morlet Wavelet analysis methods were used.
Clette, F. +4 more
core +3 more sources
Over the past 60 years, noticeable changes have been observed in the main hydroclimatological variables, driven by both natural and anthropogenic factors. In the context of climate change, such behaviour may adversely affect the state's economic activities, as well as increase the recurrence of extreme events in the region.
Ronaldo Guilherme Santos Lima +4 more
wiley +1 more source
Low-latitude Sunspot Group Tilt Angles in 15–24 Activity Cycles
An 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
Temporal and Periodic Variations of Sunspot Counts in Flaring and Non-flaring Active Regions
We analyzed temporal and periodic behavior of sunspot counts (SSCs) in flaring (C, M, or X class flares), and non-flaring active regions (ARs) for the almost two solar cycles (1996 through 2016).
Donmez, B. +5 more
core +3 more sources
Outcomes of Direct Vocal Fold Testosterone Injections in Hormone‐Naïve Adults: A Case Series
Abstract Two nonbinary testosterone‐naïve individuals were seen at the Northwestern Memorial Hospital Voice Clinic. The objective was to determine the effectiveness of direct testosterone injections to the vocal folds for voice masculinization in testosterone‐naïve individuals.
Mariah E. Morton‐Jones +5 more
wiley +1 more source
Abstract Longer‐term perspectives—equivalent to the lifespans of long‐lived trees—are required to fully inform perceptions of ‘naturalness’ used in woodland conservation and management. Stand‐scale dynamics of an old growth temperate woodland are reconstructed using palaeoecological data.
Annabel Everard +4 more
wiley +1 more source
Image patch analysis and clustering of sunspots: a dimensionality reduction approach
Sunspots, as seen in white light or continuum images, are associated with regions of high magnetic activity on the Sun, visible on magnetogram images. Their complexity is correlated with explosive solar activity and so classifying these active regions is
Delouille, Veronique +4 more
core +1 more source
ABSTRACT Background The tight junction protein CLDN6 has been identified as a cancer‐associated cell surface marker that is rarely expressed in healthy tissues. In testicular germ cell tumors (GCT), CLDN6 is particularly detectable in seminomas, embryonal carcinomas, and choriocarcinomas.
Jule Zwick +7 more
wiley +1 more source
Understanding Solar Activity after the Maunder Minimum: Sunspot Records by Rost and Alischer
The Maunder Minimum was a period with significantly reduced solar activity between 1645 and 1715, approximately. The transition between the low solar activity in the Maunder Minimum and the subsequent “normal” regime of solar activity was gradual ...
V. M. S. Carrasco +6 more
doaj +1 more source
Axial length, myopia progression, and myopic maculopathy in Stickler syndrome
Abstract Purpose We lack knowledge on the potentially progressive nature of and the prevalence of complications to myopia as a characteristic trait of Stickler syndrome. Methods This cross‐sectional study combines ophthalmic examination and medical record data on Danish patients with genetically confirmed Stickler syndrome type 1 (COL2A1) and type 2 ...
Kirstine B. Boysen +4 more
wiley +1 more source

