Results 71 to 80 of about 20,257 (253)

The Earliest Feathers from the Lower Cretaceous Dabeigou Formation of North Hebei: Implications for the Early Evolution of the Jehol Biota

Integrative Zoology, EarlyView.
This study reports two isolated feather fossils from the Lower Cretaceous Dabeigou Formation in northeastern China. Morphological analyses identified them as the earliest known feathered theropods (potentially including avian) in the Jehol Biota. This finding reveals a complex ecosystem at the dawn of the Jehol Biota, bridging the temporal and faunal ...
Qian Wu, Qian‐Nan Zhang, Dang‐Peng Xi   +2 more
wiley   +1 more source

Vog: Using Volcanic Eruptions to Estimate the Health Costs of Particulates

The Economic Journal, EarlyView., 2018
The negative consequences of long‐term exposure to particulate pollution are well established but a number of studies find no effect of short‐term exposure on health outcomes. The high correlation of industrial pollutants complicates the estimation of the impact of individual pollutants on health.
Timothy J. Halliday, John Lynham, Áureo de Paula   +2 more
wiley   +1 more source

Uso de ossos bovinos calcinados como aditivo de sinterização na fabricação de porcelanas Bone ash as a sintering additive in the porcelain production

Cerâmica, 2009
Ossos bovinos calcinados (OBC) são geralmente utilizados para a fabricação de uma porcelana de alta qualidade conhecida como bone china. Nesses produtos a quantidade de OBC é cerca de 50% do produto.
D. Gouvêa, T. T. Kaneko, H. Kahn
doaj   +1 more source

Queen Anne's Wardrobe: Fashion, Sartorial Politics, and the Representational Strategies of the Last Stuart Queen

Journal for Eighteenth-Century Studies, EarlyView.
Abstract The final Stuart monarch, Queen Anne, has often been overlooked in studies of visual and material culture, particularly of fashion and dress. This article is the first to undertake a qualitative and quantitative analysis of the wardrobe accounts of Queen Anne, situating her consumption within the context of the eighteenth‐century fashion ...
Sarah A. Bendall
wiley   +1 more source

FROM WASTE TO RESOURCE: HYDROXYAPATITE-RICH BONE ASH DERIVED FROM CATTLE BONES FOR SUSTAINABLE CERAMICS

Journal of Sustainable Technologies and Materials
The increasing need for sustainable resource utilization has driven the exploration of waste-derived materials for industrial applications. This study investigates the valorization of cattle bone waste into high-purity hydroxyapatite-rich bone ash and ...
Temitope Ologunwa, Rasheed Kolade, Ayodeji Oke, Oluyemi Ologunwa   +3 more
doaj   +1 more source

Bridging the Late Antique Gap in Northwest Arabia: New Archaeological Evidence on the Occupation of Wādī al‐Qurā (al‐ʿUlā [AlUla], Saudi Arabia) Between the Third and Seventh Centuries CE

Arabian Archaeology and Epigraphy, EarlyView.
ABSTRACT In 2019, the Dadan Archaeological Project (CNRS/RCU/AFALULA) identified a Late Antique village 1 km south of ancient Dadan in the al‐ʿUlā valley (northwest Saudi Arabia). Three excavation seasons at this site (2021–2023) have uncovered a massive building constructed in the late third or early fourth cent.
Jérôme Rohmer, Abdulrahman Alsuhaibani, Charlène Bouchaud, Elora Chambraud, Vladimir Dabrowski, Hatem Djerbi, Fabien Lesguer, Hervé Monchot, Paul Picavet, Louise Purdue, Bertrand Riba, Shadi Shabo   +11 more
wiley   +1 more source

Producing Bone China with local and manufactured materials as substitutes for the traditional materials

الاكاديمي, 2017
This research studies the possibility of producing Bone China with available local and geological substitutes and other manufactured ones since it’s traditionally produced by Bone ash, Cornish stone, and China clay, while the substitutes are Kaolin ...
Ahmed Hashim Alhindawi
doaj   +1 more source

New Results From the Pre‐Pottery Neolithic Site of Al Uyaynah, Tabuk, in Northwestern Saudi Arabia

Arabian Archaeology and Epigraphy, EarlyView.
ABSTRACT Al Uyaynah is a low sandstone mound on an alluvial plain, long known for its extensive surface remains of stone‐built circular and rectangular structures. Following test excavations in 2012, more detailed excavation was undertaken in 2016 within one of the largest rectangular stone structures.
Khalid Alasmari, Stephanie F. Piper, Kirsten Grothe, W. Derek Hamilton, Delphine Joly, Penny Bickle, Geoff Bailey   +6 more
wiley   +1 more source

The Late Agricultural Development of Central Arabian Oases—Archaeobotanical and Archaeozoological Studies of the al‐Kharj Oasis

Arabian Archaeology and Epigraphy, EarlyView.
ABSTRACT While oasis settlements emerged during the Bronze Age in Eastern and Northern Arabia, the settlement process in Central Arabia was different. Excavations at al‐Yamāma—main ancient settlement of the al‐Kharj oasis (Riyadh Province, KSA)—suggest that the latter did not emerge before the second half of the first millennium BCE.
Elora Chambraud, Hervé Monchot, Vladimir Dabrowski, Charlène Bouchaud, Jérémie Schiettecatte   +4 more
wiley   +1 more source

Valorization of Milkfish (Chanos chanos) Bone By-Products into Bone Powder and Milkfish Bone Floss Based on Nutritional Characterization and Calcium Contribution

Berkala Sainstek
The utilization of fish processing by-products represents an important strategy to improve production efficiency and support zero-waste principles. Milkfish (Chanos chanos) bone by-products, generated from deboned milkfish processing, have significant ...
Desy Arisandi, Anies Chamidah, Mirza Gulam Ahmad, Putri Julia Mizulni, Devi Faustine Elvina Nuryadin   +4 more
doaj   +1 more source