Results 21 to 30 of about 66,644 (262)
Background Occult macular dystrophy (OMD) is a rare hereditary macular dystrophy characterized by severe bilateral progressive loss of central vision with normal fundus appearance and normal fundus fluorescein angiography.
Marwa Abdelshafy, Ahmed Abdelshafy
doaj +1 more source
Vitreae gemmae, volgi anuli. Bagues et intailles méditerranéennes en Bohême à l’époque de La Tène [PDF]
The paper presents a series of finger rings with/or gems of Mediterranean origin unearthed in Bohemia in Late Iron Age contexts. The rings and gems are studied from formal and stylistic point of view; results of technological analyses are also taken ...
Jan Kysela
doaj
Saddle-shaped finger-rings are among the most widespread types of Late Iron Age jewellery. Such ornaments are encountered throughout the entire period in question, from south-western Germany, western Switzerland and northern Italy to Transylvania and ...
Aurel Rustoiu
doaj +1 more source
Age of Gossip in Ring Networks in the Presence of Jamming Attacks
We consider a system with a source which maintains the most current version of a file, and a ring network of $n$ user nodes that wish to acquire the latest version of the file. The source gets updated with newer file versions as a point process, and forwards them to the user nodes, which further forward them to their neighbors using a memoryless gossip
Priyanka Kaswan, Sennur Ulukus
openaire +2 more sources
The age of living massive olive trees is often assumed to be between hundreds and even thousands of years. These estimations are usually based on the girth of the trunk and an extrapolation based on a theoretical annual growth rate.
Yael Ehrlich +3 more
doaj +1 more source
Congenital deficiency of tracheal rings is a rare tracheal malformation that can cause central airway obstruction. Herein we reported the clinical data of six patients with symptomatic congenital deficient tracheal rings.
Jing Ma +7 more
doaj +1 more source
Inscribed finger rings from late antique and Byzantine Asia Minor
In this short paper we present thirteen metal rings from the museums of Izmir (nos. 3-4 and 9-10), Afyonkarahisar (no. 5), Bergama (nos. 6 and 8), Ödemiş (no. 7), Trabzon (no. 11), and Balıkesir (no.
Lafli, Ergün, Buora, Maurizio
doaj +1 more source
This study aimed to describe and validate the formation of the rings in the spine of the pectoral fin and to determine the coherence of the OTC mark with the rings of three species of Caspian Sea sturgeon, the Persian sturgeon (Acipenser persicus), the ...
S. Bakhshalizadeh +3 more
doaj +1 more source
Saturn’s rings age, I: Reconsideration of the exposure age
At the end of the Cassini mission, Saturn's rings have been claimed to be spectacularly young compared to the age of the Solar System: their unusual ice-rich composition corresponds to initially pure ice rings polluted by interplanetary dust particles for 100 to 400 Myr.
Gregorio Ricerchi, Aurélien Crida
openaire +2 more sources
Wood density within Norway spruce stems
We studied the variation in average wood density of annual rings, earlywood density, and latewood density in addition to ring width and latewood percentage within Norway spruce (Picea abies (L.) Karst.) stems from the pith to the bark, and from the ...
Jyske, Tuula +2 more
doaj +1 more source

