Results 41 to 50 of about 3,074 (218)
Evaluation of lead levels in decorative and automobile paints marketed in South–West, Nigeria
Paints and coatings add aesthetics to our daily lives. Their demand has increased due to urbanization and has led to an increase in lead (Pb) in the ecosystem and its potential risks to health. Pb is toxic and has no safe levels for children.
Ajoke F. I. Akindele, Oladele Osibanjo
doaj +1 more source
Analysis of PM2.5 Morphology, Composition and Health Risk in a Multi‐Chair Dental Clinic
ABSTRACT Particulate matter with aerodynamic diameter ≤ 2.5 μm (PM2.5) at high concentrations in dental clinics poses significant health risks to healthcare professionals. However, the morphology and chemical composition of PM2.5 in specific environments are not yet fully elucidated.
Fengqin Tang+11 more
wiley +1 more source
Islamic art is considered as the most rich art in desining elements that depend on simplifying and facilitating. The muslim artist was significantly interested in the wall hangings; he depended on decorating his walls by writings and the intergraded and
Shimaa Salama, Amany Hamdy
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Gender, Feeling and the Making of Korean Christian Knowledge in Sengoku Japan*
This essay explores the production of Korean Christian knowledge in Sengoku Japan by analysing narratives about a vision said to have been experienced by an evangelised Korean woman, which circulated within Jesuit correspondence from Japan and in subsequent publications.
Susan Broomhall
wiley +1 more source
Exploring marking methods for the predatory hoverfly Sphaerophoria rueppellii (Diptera: Syrphidae)
As important pollinators and predators of aphids, hoverflies play an important role in ecosystems. This study focuses on identifying the best marking technique for the model species Sphaerophoria rueppellii that can be used to track hoverfly feeding and oviposition sites, evaluating three methods: rubidium (RbCl), fluorescein, and fluorescent dusts ...
Michele Violi+4 more
wiley +1 more source
Analysis, Technical Investigation and Conservation of a Painted Enamel Qajar Pendant [PDF]
This research aims atinvestigating the chemical composition and the technical features of a painted enamel Qajar pendant. This investigation was followed by cleaning and conservation of the pendant. Optical light microscope (OLM), scanning electron microscope (SEM) combined with energy dispersive X-ray spectroscopy (EDX), Fourier transform infrared ...
openaire +2 more sources
Abstract A wide production of ecclesiastical artefacts is traceable in Sicily between the 17th and 19th centuries, admirable in many diocesan museums. Nevertheless, these artefacts were never studied from an archaeometric point of view: Beyond their historical value, it is time to understand whether the information concerning the decorating gemstones ...
Maura Fugazzotto+4 more
wiley +1 more source
An enamel-painted glass bottle from a “Turkish pit” in Buda [PDF]
The fragments of a high quality, enamel painted, blue glass bottle with the date 1671 on its shoulder were found in the Castle District of Buda, in a huge pit dated to the period of the Ottoman occupation. The shape of the object shows eastern influences, while its decoration is clearly western. The origin of the bottle is probably Transylvanian, based
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Abstract This study aims to optimise the dyeing process of cotton fabrics using Mexican cochineal (Dactylopius coccus Costa). The objective is to obtain purple hues through the design of experiments and by using multivariate analysis. Plackett–Burman experimental designs and the response surface method were used to systematically optimise the dyeing ...
Ernesto Olvera‐Quintanar+3 more
wiley +1 more source
FRIDA: A Collaborative Robot Painter with a Differentiable, Real2Sim2Real Planning Environment [PDF]
Painting is an artistic process of rendering visual content that achieves the high-level communication goals of an artist that may change dynamically throughout the creative process. In this paper, we present a Framework and Robotics Initiative for Developing Arts (FRIDA) that enables humans to produce paintings on canvases by collaborating with a ...
arxiv