Results 61 to 70 of about 131,559 (196)
Scientific ReportsChicory species, particularly Cichorium endive Supp. Pumillum, also, known as Egyptian chicory, are globally recognized for their rich content of bioactive secondary metabolites such as flavonoids and phenolics.
Sayeda Abdelrazek Abdelhamid +3 more
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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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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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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
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A Perspective: A Brief Consideration of Some Popular Blue Colorants
ColorantsThis Perspective sets out to raise awareness about the chemical and photophysical properties of an assortment of blue colorants; it is generally regarded that blue is the most popular color worldwide and is recognized for its serenity and calming effect.
Anthony Harriman
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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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Louvre Museum - Paintings [PDF]
, 2018 The Louvre Museum is the largest of the world's art museums by its exhibition surface. These represent the Western art of the Middle Ages in 1848, those of the ancient civilizations that preceded and influenced it (Oriental, Egyptian, Greek, Etruscan and
Sfetcu, Nicolae
core
Characterization of Egyptian Smectitic Clay Deposits by Methylene Blue Adsorption [PDF]
American Journal of Applied Sciences, 2011 بيان المشكلة: تم إجراء توصيف الطين السميكتي تقليديًا باستخدام طرق فيزيائية وكيميائية تستغرق وقتًا طويلاً وتتطلب معدات مكلفة. تم إدخال امتصاص أزرق الميثيلين بواسطة هذه الطين كطريقة سريعة ورخيصة لتقدير قدرة تبادل الكاتيون ومساحة السطح. لذلك، كان الهدف من هذه الدراسة هو اختبار قابلية تطبيق طريقة أزرق الميثيلين لتحديد قدرة تبادل الكاتيون ومساحة السطح ...
openaire +2 more sources
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
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Raman focal point on Roman Egyptian blue elucidates disordered cuprorivaite, green glass phase and trace compounds. [PDF]
Sci Rep, 2022 Dariz P, Schmid T.
europepmc +1 more source