Results 11 to 20 of about 189,918 (307)

A rota dos estudos sobre a cochonilha em Portugal e no Brasil no século XIX: caminhos desencontrados The route of the studies of cochineal in Portugal and Brazil in the nineteenth century: uncrossed paths

Química Nova, 2007
For imparting an intense and long-lasting red to fabrics, cochineal remained in high demand during the eighteenth and nineteenth centuries. This period witnessed, accordingly, several initiatives aimed at producing the precious dye: publication of ...
Márcia Helena Mendes Ferraz
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The Philosophy of Chemistry and its Evolution over Time [PDF]

Journal of Philosophical Investigations, 2022
By some standards, chemistry is one of the largest scientific fields in the world, a science that is concerned with the "direct influence of molecules on human life" and thus raises ethical, political, philosophical and epistemological questions. In this
Hamideh Haghighat
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O Instituto de Química da Universidade Federal do Rio de Janeiro, da pós-graduação à incorporação dos cursos de graduação: uma perspectiva histórica The Chemistry Institute of Federal University of Rio de Janeiro, from postgraduate to the incorporation of undergraduate courses: a historical perspective

Química Nova, 2009
This work intends to present the history of top-level Chemistry education in Rio de Janeiro. It's important to rescue the history of Chemistry Institute of Federal University of Rio de Janeiro since 1959.
Elisa Prestes Massena, Nadja Paraense dos Santos   +1 more
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As raízes da regulação alimentar em Portugal: leis e práticas baseadas em ciência, 1875-1905

Ler História, 2023
In the current debate on the origins of science-based legislation, it is important to clarify the historical perspective on the origins of Portuguese food regulation.
José Ferraz-Caetano
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As "Disquisitiones" do naturalista Arruda da Câmara (1752-1811) e as relações entre a Química e a Fisiologia no final do Século das Luzes The "Disquisitiones" of the naturalist Arruda da Câmara (1752-1811) and the relationship between Chemistry and Physiology by the end of the "Century of Lights"

Química Nova, 1997
This work is intended to rescue the field of validity of the "Disquisitiones" by the naturalist Arruda da Câmara placing them in the scientific and historical context of the end of the "Century of Light". Thus, a tentative is made here to reconstruct the
Argus Vasconcelos de Almeida, Francisco de Oliveira Magalhães   +1 more
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Wilhelm Michler, uma aventura científica nos trópicos Wilhelm Michler, a scientifical adventure in the tropics

Química Nova, 2000
Wilhelm Michler lived in Brazil for seven years from 1882 to 1889, when he died. Here, he published several articles on natural products, and became a professor of Industrial Chemistry at the Escola Politécnica, in Rio de Janeiro.
Nadja Paraense dos Santos, Angelo C. Pinto, Ricardo Bicca de Alencastro   +2 more
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Icilio Guareschi and his amazing “1897 reaction”

Beilstein Journal of Organic Chemistry, 2021
Organic chemistry honors Icilio Guareschi (1847–1918) with three eponymic reactions, the best known ones being the Guareschi synthesis of pyridones and the Guareschi–Lustgarten reaction. A third Guareschi reaction, the so-called “Guareschi 1897 reaction”,
Gian Cesare Tron, Alberto Minassi, Giovanni Sorba, Mara Fausone, Giovanni Appendino   +4 more
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History of Chemistry [PDF]

Nature, 1968
Chymia Annual Studies in the History of Chemistry, Vol. 12. Edited By Henry M. Leicester. Pp. 236. (University of Pennsylvania Press: Philadelphia; Oxford University Press: London, 1967.) 81s.
openaire   +1 more source

Vicente Seabra Telles e a criação da nomenclatura em português para a Química 'Nova' de Lavoisier

Química Nova, 2013
In 1787, Lavoisier and coworkers published a 314-page book entitled Méthode de nomenclature chimique in which a novel system for the naming of compounds and elements was presented.
Fernando J. Luna
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The Overview of Chemical Knowledge in Eighteenth Century Georgia According to the Chemistry Book by King Vakhtang VI

Orbital: The Electronic Journal of Chemistry, 2016
The article deals with political and educational-cultural situation in Georgia during the reign of King Vakhtang VI (XVIII century). It describes the book on chemistry compiled and published by Vakhtang VI.
Ketevan Kupatadze, David Malazonia, Michael Gverdtsiteli   +2 more
doaj   +3 more sources