Results 21 to 30 of about 225,868 (251)
Pigments, dyes, and black enamel—the colorants of reverse paintings on glass [PDF]
Archaeological and Anthropological Sciences, 2009 Nondestructive analyses of medieval reverse paintings on glass revealed the same dyes and pigments customarily used in panel paintings. However, there is one exception: the black colorant is not a carbon-based pigment, but black enamel. In this respect, the stylistic as well as the technical influence of stained glass artwork can clearly be seen on ...
Carola Hagnau +4 more
core +3 more sources
Química Nova, 2022 Chlorophyll is the most abundant green pigment on the planet, it is unstable and decomposes naturally. Mate-herb is a traditional native plant in the southern region of South America, and its tea is part of the local culture and extractive agriculture ...
André R. Petterson +2 more
doaj +1 more source
Adhesion and whitening effects of P11-4 self-assembling peptide and HAP suspension on bovine enamel
Clinical Oral Investigations, 2020 Objectives This study evaluated the adhesion and whitening effects of a combination of P11-4 self-assembling peptide and hydroxyapatite (peptide-HAP) on bovine enamel.
Niloofar Hojabri +2 more
semanticscholar +2 more sources
Applied Sciences, 2023 The distinctive and visually striking wooden masks associated with the Bwa culture in Burkina Faso, West Africa, are carved from a soft wood into different shapes and display various geometrical patterns and symbols according to their purpose.
Clara Granzotto, Ken Sutherland
doaj +1 more source
Non-Invasive Raman and XRF Study of Mīnā’ī Decoration, the First Sophisticated Painted Enamels
MaterialsMīnā’ī wares, crafted during the 12th–13th centuries, represent some of the earliest examples of sophisticated painted enamel decoration by potters. Due to the thinness of these enamel layers, their detailed characterization remains challenging, even with the use of advanced techniques, such as Proton-Induced X-ray Emission (PIXE) analysis and ...
Philippe Colomban +3 more
openalex +4 more sources
Effectiveness and Adverse Effects of Over-the-Counter Whitening Products on Dental Tissues
Frontiers in Dental Medicine, 2021 The role of bleaching agents (e.g., hydrogen peroxide) in tooth bleaching is quite well-described in a few literature studies and considered as the option choice for those desiring brighter teeth, but alternative methods have emerged to fulfill the ...
Maiara Rodrigues de Freitas +5 more
doaj +1 more source
Marking Adult Colorado Potato Beetles, \u3ci\u3eLeptinotarsa Decemlineata\u3c/i\u3e (Coleoptera: Chrysomelidae) Using Paper Labels [PDF]
, 2017 The smooth elytra of adult Colorado potato beetle, Leptinotarsa decemlineata, make this insect difficult to make efficiently for long-term field studies.
Caprio, Michael A +2 more
core +2 more sources
Memorias do Instituto Oswaldo Cruz, 1983 Idealizou-se uma técnica de marcação de insetos adultos, visando principalmente à identificação individual de triatomineos, que consiste na elaboração de códigos correspondentes a números, através de cinco cores basicas (vermelho, branco, azul, verde e ...
José Roberto Mac Cord +2 more
doaj +1 more source
Gallia, 2021 The oppidum of Châteaumeillant (Cher) belongs to the civitas of the Bituriges, whose boundaries correspond approximately to those of the current departments of Cher, Indre, and to which portions of Allier and Loir-et-Cher must be added.
Sophie Krausz +3 more
doaj +1 more source
The development and characteristics of a hand-held high power diode laser-based industrial tile grout removal and single-stage sealing system [PDF]
, 2002 As the field of laser materials processing becomes ever more diverse, the high power diode laser (HPDL) is now being regarded by many as the most applicable tool.
A. W. Gale +25 more
core +1 more source