Results 81 to 90 of about 131,783 (293)
Snapshots of chemical practices in Ancient Egypt
Substantia, 2018 This article gives a historical overview of a number of chemical practices carried out by the Ancient Egyptians and shows that beyond being purely empirical, in more than one instance their methods suggest an understanding of the rudiments of modern day ...
Jehane Ragai
doaj +1 more source
Collapse of an ecological network in Ancient Egypt [PDF]
, 2014 The dynamics of ecosystem collapse are fundamental to determining how and why biological communities change through time, as well as the potential effects of extinctions on ecosystems.
Dominy, Nathaniel J. +6 more
core +3 more sources
International Journal of Climatology, EarlyView.This study presents that the WRF model, coupled with bulk urban parameterization, effectively captures the summer urban heat island (UHI) patterns across the Eastern Mediterranean and Middle East, showing stronger night‐time surface UHIs (5°C–6°C) and daytime surface cool islands (up to 12.5°C).
Katiana Constantinidou +4 more
wiley +1 more source
Heritage Science, 2019 Man-made ancient Chinese barium copper silicate pigments: Chinese (Han) Purple, BaCuSi2O6; Chinese (Han) Blue, BaCuSi4O10; Chinese Dark Blue, BaCu2Si2O7 (in summary called Chinese blues), and platelet-like crystals of BaSnSi3O9 were detected on mural ...
Zhiguo Zhang, Qinglin Ma, Heinz Berke
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Journal of Periodontology, EarlyView.Abstract Background The biofilm‐inhibitory effects of electrolyzed saline (EOS) vary widely due to differences in formulations and treatment methods. This study analyzed the impact of EOS on key oral microbial species and used serial 3D‐intraoral scans to evaluate its effects on de novo biofilm formation.
Katja Povšič +6 more
wiley +1 more source
Optical Ammonia Sensor for Continuous Bioprocess Monitoring
Proceedings, 2018 We present an optical ammonia sensor suitable for bioprocess monitoring. A fluorescent dye is physically entrapped in a polyurethane hydrogel forming an emulsion system with vinylterminated polydimethylsiloxane (PDMS).
Maximilian Maierhofer +2 more
doaj +1 more source
Common Medieval Pigments [PDF]
, 2004 This paper discusses the pigments used in medieval manuscripts. Specific types of pigments that are examined are earths, minerals, manufactured, and organics.
Baker, A
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Desertification Risk: Bibliometric Analysis and Future Research Directions
Land Degradation &Development, EarlyView.ABSTRACT Desertification, driven by climatic and anthropogenic factors, is one of the most pressing global environmental challenges, causing significant economic, ecological, and social consequences. A bibliometric analysis was performed to identify research trends and gaps in the desertification risk topic.
Fatima‐Ezzahrae Imam +5 more
wiley +1 more source
Long-term and persistent vocal plasticity in adult bats. [PDF]
, 2019 Bats exhibit a diverse and complex vocabulary of social communication calls some of which are believed to be learned during development. This ability to produce learned, species-specific vocalizations - a rare trait in the animal kingdom - requires a ...
Desai, Janki +3 more
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Land Degradation &Development, EarlyView.ABSTRACT In recent years, biochar has been studied for its range of applications. Recognized by the IPCC as a key Carbon Dioxide Removal (CDR) strategy, it also stands out as an important tool for reclaiming degraded lands, including vast global areas affected by salinity, such as those in China, India, and Australia.
Juciane Vieira de Assis Freire +12 more
wiley +1 more source