Results 21 to 30 of about 131,559 (196)

The development of the skull of the Egyptian cobra Naja h. haje (Squamata: Serpentes: Elapidae) [PDF]

open access: yes, 2015
Background: The study of craniofacial development is important in understanding the ontogenetic processes behind morphological diversity. A complete morphological description of the embryonic skull development of the Egyptian cobra, Naja h.
Evans, SE, Khannoon, ER
core   +2 more sources

Visible induced luminescence reveals invisible rays shining from Christ in the early Christian wall painting of the Transfiguration in Shivta.

open access: yesPLoS ONE, 2017
The Transfiguration scene depicted in a Byzantine church at Shivta, Israel, is one of two figurative examples of the scene from the early Christian period.
Ravit Linn, Yotam Tepper, Guy Bar-Oz
doaj   +1 more source

Chemical Composition, Market Survey, and Safety Assessment of Blue Lotus (Nymphaea caerulea Savigny) Extracts

open access: yesMolecules, 2023
Blue lotus, also known as Nymphaea caerulea (Nymphaeaceae), is a water lily found globally in lakes and rivers. With its long history of use in Egyptian culture, blue lotus has been associated with spiritual rituals and health benefits.
Noura S. Dosoky   +6 more
doaj   +1 more source

Egyptian blue [PDF]

open access: yesProceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character, 1914
The artificial blue pigment used in Egypt from the IVth Dynasty and also used widely during the time of the Roman Empire has been investigated by many chemists, including Sir Humphry Davy, Vauquelin, H. de Fontenay, Darcet, F. Fouqué, and Dr. W. J. Russell, F. R.
openaire   +1 more source

Identification and mapping of ancient pigments in a Roman Egyptian funerary portrait by application of reflectance and luminescence imaging spectroscopy

open access: yesHeritage Science, 2022
Imaging spectroscopy (IS) is an important tool in the comprehensive technical analysis required of archaeological paintings. The complexity of pigment mixtures, diverse artistic practices and painting technologies, and the often-fragile and weathered ...
Roxanne Radpour   +3 more
doaj   +1 more source

Culture and e-commerce: An exploration of the perceptions and attitudes of Egyptian internet users [PDF]

open access: yes, 2005
This paper examines the perceptions and attitudes that Egyptian users hold towards electronic shopping sites. Internet sites are globally available, opening up huge potential markets for online retailers.
El Said, GR, Hone, KS
core   +2 more sources

Exfoliated near infrared fluorescent silicate nanosheets for (bio)photonics

open access: yesNature Communications, 2020
Near-infrared (NIR) fluorophores have attracted interest for bioimaging; yet availability, biocompatibility and application can be an issue. Here, the authors report on the development of Egyptian Blue nanosheets with high NIR fluorescence and ...
Gabriele Selvaggio   +17 more
doaj   +1 more source

O Egito em tempo de revolução. As lutas dos trabalhadores antes e depois das revoltas de 2011

open access: yesRevista Crítica de Ciências Sociais, 2014
Western commentators have referred to the Egyptian revolution as a Facebook­‑revolution, i.e. a social and political phenomenon mostly instigated (basically through social media) by middle-classes and highly­‑educated young people calling for Western ...
Iside Gjergji
doaj   +1 more source

Anatomical, scanning electron microscopy, histological and histochemical studies of the orbital glands of the Egyptian agama Trapelus mutabilis

open access: yesJournal of Basic and Applied Zoology, 2022
Background The orbital gland of the group agama (Agamidae) is not well-studied. Here is a first description of anatomical and histological studies on the orbital gland of the Egyptian agama Trapelus mutabilis.
Fatma Abdel-Regal Mahmoud   +3 more
doaj   +1 more source

Analysis of the pigments in two modern Egyptian papyri using XRF technique

open access: yesBrazilian Journal of Radiation Sciences, 2021
In this work, two modern Egyptian papyrus belonging to a private collection were analyzed using X-Ray Fluorescence technique (XRF). The papyri are genuine, made from the papyrus plant, and hand-painted. The papyri were bought in the city of Cairo, Egypt,
Raysa Costa Nardes
doaj   +1 more source

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