Search results for "paint"
showing 10 items of 605 documents
Efficacy of an insecticide paint against malaria vectors and nuisance in West Africa--part 2: field evaluation.
2010
Abstract Background Widespread resistance of the main malaria vector Anopheles gambiae to pyrethroids reported in many African countries and operational drawbacks to current IRS methods suggest the convenience of exploring new products and approaches for vector control. Insecticide paint Inesfly 5A IGR™, containing two organophosphates (OPs), chlorpyrifos and diazinon, and one insect growth regulator (IGR), pyriproxyfen, was tested in Benin, West Africa, for 12 months. Methods Field trials were conducted in six experimental huts that were randomly allocated to one or two layers of insecticide at 1 Kg/6 m2 or control. Evaluations included: (i) early mosquito collection, (ii) mosquito release…
Targeted application of an organophosphate-based paint applied on windows and doors against Anopheles coluzzii resistant to pyrethroids under real li…
2017
Abstract Background A novel strategy applying an organophosphate-based insecticide paint on doors and windows in combination with long-lasting insecticide-treated nets (LLINs) was tested for the control of pyrethroid-resistant malaria vectors in a village setting in Vallée du Kou, a rice-growing area west of Burkina Faso. Methods Insecticide Paint Inesfly 5A IGR™, comprised of two organophosphates and an insect growth regulator, was applied to doors and windows and tested in combination with pyrethroid-treated LLINs. The killing effect was monitored for 5 months by early morning collections of anophelines and other culicids. The residual efficacy was evaluated monthly by WHO bioassays using…
Lionello Perera: An Italian Banker and Patron in New York
2022
The book presents the long-lost biography of Lionello Perera, principal banker, patron, and philanthropist of the Italian American community in New York at the inception of the twentieth century. Born and raised in Venice, Lionello Perera took over his uncle’s financial activity in Wall Street and developed the family business into a stronghold of the Italian American community. His remarkable career led him to become the Vice President of Bank of America in 1928 as an associate of California born Amadeo P. Giannini, while he also was instrumental to the political success of New York mayor Fiorello La Guardia. Recognised as a true founding father of the Italian American community of the Eas…
Más que flores. Novedades sobre la trayectoria y producción artística del pintor José Romá (Valencia, 1784-1852)
2018
El objetivo del presente artículo es contribuir al conocimiento de la trayectoria académica y de la producción artística de José Romá. Se trata de un importante artista de la primera mitad del siglo XIX, poco conocida en la actualidad, principalmente por sus lienzos de flores. Este estudio da a conocer nuevas pruebas documentales que demuestran sus aspiraciones a convertirse en “pintor de Historia”; aporta información sobre su formación y su variada actividad pictórica e incluye un análisis de una composición de flores hasta ahora desconocida.
Costuming in Seán Keating’s self-portraits: theatrical guise or political disguise?
2018
L’œuvre du peintre irlandais Seán Keating (1889–1977) a accompagné l’affirmation d’une irlandité mêlant tradition et modernité. Dans cette perspective, les nombreux autoportraits de l’artiste peuvent être considérés comme un moyen d’incarner un idéal politique. Le recours au costume dans ses autoportraits mérite attention. En effet, Keating reprend une tradition picturale bien établie en se représentant de manière ludique en costume mais utilise le dispositif de manière plus politique. En revêtant le costume traditionnel des habitants des îles d’Aran ou bien en se portraiturant en habit traditionnel dans des compositions aux accents nationalistes, Keating incarne des idées politiques et aff…
High-resolution records of past and modern Pb exposure: Laser-ablation ICPMS profiles from tooth enamel
2006
We present compositional and isotopic profiles of past and modern tooth enamel aimed at reconstructing in-vivo Pb exposure at high spatial and time resolution. Focus is on dental enamel because of its sequential mineralization preserving time-series information, and due to its resistance to post-mortem diagenetic alteration. Examples include medieval Pb–Ag miners from SW Germany (Black Forest), the port of ancient Rome (Isola Sacra) for an assessment of the ‘Pb poisoning hypothesis’, and a modern Pb–Zn smelter village in NE NSW. (Sub-)ppb levels of U, LREEs, Y in soil-buried enamel resembling modern enamel are utilized as indicators for the preservation of pristine in-vivo concentrations. T…
Laser induced decohesion of coatings: probing by laser ultrasonics.
2002
The aim of the present study is to investigate a conventional laser-ultrasonics technique for the determination of intrinsic properties of oxide coatings and their adhesion strength on a metallic substrate. The good agreement between experiments and computations in an epicenter configuration allows determining the longitudinal wave velocity as well as the Young's modulus of the oxide coatings versus the porosity. For a critical value of the laser energy, a breakdown at the coating-substrate interface is generated by the laser irradiation. The critical tensile stress field developed at the coating/substrate interface, which leads to the interfacial fracture, can be easily calculated. The val…
Hugo Kārļa Grotusa glezna “Viktorijas ūdensroze”
2020
LU Muzeja Botānikas un mikoloģijas kolekcijās glabājas latviešu botāniķim profesoram Paulam Galeniekam (1891 - 1962) piederējusī latviešu mākslinieka Hugo Grotusa glezna (1884 - 1951) ar attēlotu viktorijas ūdensrozi. Raksts veltīts šim artefaktam.
Layout algorithms of graph-like diagrams for GRADE windows graphic editors
1996
We propose a set of layout operations ensuring flexible and convenient interactive editing of communication diagrams and nested entity-relationship models having textual labels on connections. The set includes several procedures for incremental diagram layout. Tools for fully automatic layout and for direct manual painting of graphic primitives are also integrated in a single system. In this way we have filled to some extent the gap between both extremal levels of editing.
Electrochemical identification of painters/workshops: The case of Valencian Renaissance-Baroque painters (ca. 1550- ca. 1670)
2019
[EN] The voltammetry of immobilized particles (VIMP) methodology was applied to discriminate the oil painting production of a series of seven painters/workshops that worked in Valencia (Spain) between ca. 1530 and ca. 1650. When submicrosamples used for cross-section FESEM/EDX analysis were attached to graphite electrodes in contact with aqueous acetate buffer, well-defined responses were obtained. The reductive processes of lead pigments (lead white and lead-tin yellow) overlapped those associated to the lead soaps and other species resulting from the pigment-oil binder interaction in the sample. Such responses, which are theoretically modeled, were sensitive to changes in paint type and d…