Results 71 to 80 of about 5,758 (235)

Traveling Fronts for (q,r)$(q, r)$‐Relativistic Operators: Existence and Asymptotic Properties

open access: yesMathematische Nachrichten, EarlyView.
ABSTRACT A new reaction–diffusion model governed by a (q,r)$(q, r)$‐relativistic type diffusion, generalizing the p$p$‐relativistic one and encompassing singular and/or degenerate diffusivity, is introduced. In the monostable case, some existence results for (decreasing) fronts are then provided, exploiting the study of a suitable two‐point problem ...
Pavel Drábek   +2 more
wiley   +1 more source

Silvered and Gilded Imitations of "Double-Headed Bird" Type Jochid Coins from the Middle Volga Region and the Southern Cis-Urals

open access: yesАрхеология евразийских степей
The article deals with the imitations of copper Jochid coins of the XIV century that have signs of silvering and gilding, imitating coins of the state «New Sarai» type with the image of a «double-headed bird» («double-headed eagle»).
Igor E. Alekseev
doaj   +1 more source

Living on luck

open access: yes, 2011
Michael Gilding reviews Paul Cleary’s analysis of the Australian mining industry, 'Too much luck: the mining boom and Australia's future', published by Black Inc., Collingwood ...
Michael Gilding (18926413)
core   +1 more source

Are Age and Voided Volume Sufficient to Predict Detrusor Underactivity in Women? An External Validation Study

open access: yesNeurourology and Urodynamics, EarlyView.
ABSTRACT Purpose Detrusor underactivity (DU) is a significant cause of female lower urinary tract symptoms. We aimed to externally validate a non‐invasive prediction model using age and voided volume (VV) in a tertiary center cohort. Methods This retrospective study included 450 consecutive women who underwent uroflowmetry and subsequently multichannel
Netanel Levin   +7 more
wiley   +1 more source

Determining the Thickness of Gold Leaf in Post-Byzantine Religious Panel Paintings Using Imaging μ-XRF

open access: yesHeritage
Thin gold leaves were frequently used to embellish post-Byzantine religious panel paintings. Measuring their thickness using non-destructive methods is essential for understanding the technology behind their creation and developing effective preservation
Ioanna Vasiliki Patakiouta   +6 more
doaj   +1 more source

Aquatic Diversity and Fishing Practices at Tell Tayinat (Türkiye) in the Iron Age

open access: yesInternational Journal of Osteoarchaeology, EarlyView.
ABSTRACT While agrarian societies of the Iron Age Eastern Mediterranean relied predominantly on crops and herding of domestic stock for subsistence, local wild aquatic fauna offered a welcomed enrichment, and when opportunities occurred, it could have been a staple in the human diet.
Radovan Kabatiar
wiley   +1 more source

Effect of Propylparaben on In Vitro Maturation of Porcine Oocytes and Embryo Development

open access: yesEnvironmental Toxicology, EarlyView.
ABSTRACT Parabens are synthetic chemicals that, due to their antibacterial and fungicidal effects, are widely used as preservatives in food, cosmetics, and personal care products, such as shampoos, hair conditioners, body creams, soaps, deodorants, makeup, wet wipes, lotions, female hygiene products, and vaginal lubricants. Several years ago, they were
Elivier Núñez‐Macías   +10 more
wiley   +1 more source

A Multi‐Analytical Campaign on Reused Medieval Musical Parchment From the Archivio di Stato di Siena (Italy)

open access: yesX-Ray Spectrometry, EarlyView.
ABSTRACT In this study, a non‐invasive, multi‐analytical approach combining hypercolorimetric multispectral imaging (HMI), stereomicroscopy, X‐ray fluorescence (XRF) spectroscopy, principal component analysis (PCA) and X‐ray radiography (RX) is used to investigate three reused musical parchment fragments dating from the late 14th or early 15th century ...
Mario Gentile   +7 more
wiley   +1 more source

Декоративно-прикладное искусство империи Тан (на примере металлических предметов столовой посуды): техники изготовления, стиль, орнаментальная декорация

open access: yesИскусство Евразии
Статья посвящена комплексному исследованию декоративно-прикладного искусства империи Тан (618–907) на примере металлических предметов столовой посуды из золота и серебра.
Ли, Юсинь   +1 more
doaj   +1 more source

By the Hand of Angelos? Analytical Investigation of a Remarkable 15th Century Cretan Icon

open access: yesHeritage, 2020
A 15th century St Theodoros icon of outstanding quality is on display at the Zakynthos Ecclesiastical Art Museum. On the basis of certain stylistic characteristics, this icon has been attributed to the legendary Cretan painter Angelos Akotantos. In order
Georgios P. Mastrotheodoros   +3 more
doaj   +1 more source

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