Results 61 to 70 of about 441,336 (261)

Evaluating Aromaticity in Ag<sub>6</sub>Ru and Ag<sub>10</sub>Ru as Electron-Precise Superatom Clusters. [PDF]

open access: yesChemphyschem
An exhaustive study of Ag6Ru and Ag10Ru clusters reveals their stability and aromaticity. The analysis shows these species possess precise electron shell structures, classifying them as planar and spherical superatoms. Ag6Ru exhibits a ten‐electron shell, while Ag10Ru shows 18 electrons.
Orozco-Ic M   +2 more
europepmc   +2 more sources

Synthesis, Spectroscopic Characterization, Structural Studies, and In Vitro Antitumor Activities of Pyridine‐3‐carbaldehyde Thiosemicarbazone Derivatives

open access: yesJournal of Chemistry, Volume 2020, Issue 1, 2020., 2020
Eight new thiosemicarbazone derivatives, 6‐(1‐trifluoroethoxy)pyridine‐3‐carbaldehyde thiosemicarbazone (1), 6‐(4′‐fluorophenyl)pyridine‐3‐carbaldehyde thiosemicarbazone (2), 5‐chloro‐pyridine‐3‐carbaldehyde thiosemicarbazone (3), 2‐chloro‐5‐bromo‐pyridine‐3‐carbaldehyde thiosemicarbazone (4), 6‐(3′,4′‐dimethoxyphenyl)pyridine‐3‐carbaldehyde ...
Wilfredo Hernández   +8 more
wiley   +1 more source

Rethinking Ephemeral Architecture. Advanced Geometry for Citizen-Managed Spaces [PDF]

open access: yes, 2017
In recent years there have been a high amount of citizen initiatives that address the complex problems of the contemporary city. There are empty or disused spaces that have been reused for urban gardens, for social use, to encourage integration and ...
López Martínez, Alicia   +3 more
core   +1 more source

Arquitectura en adobe y quincha: construcción de una identidad en torno a los recursos naturales de la ribera del Lago General Carrera en la región de Aysén, Chile

open access: yes, 2020
The results from the study on ten adobe and quincha buildings located in the areas of Fachinal, Aviles River and Mallín Grande (south-west bank of Lake General Carrera) from the Aysén Region, Chile, are displayed in this document.
Carlos Castillo Levicoy, C. Lira
semanticscholar   +1 more source

Bordos and Boundaries: Sustainable Agriculture in the High Altitude Deserts of Northwest Argentina, AD 850-1532 [PDF]

open access: yes, 2014
Bordos were essential for the long-term sustainability of agriculture in the high altitude desert of Antofagasta de la Sierra in Northwest Argentina during the Late (AD 850 – 1480) and Inca Period (AD 1480 – 1532).
Lane, Kevin John   +2 more
core   +1 more source

Enseñanza de la arquitectura en Chile: acciones pedagógicas con potencial innovador [PDF]

open access: yesVIII Jornadas sobre Innovación Docente en Arquitectura (JIDA'20), Escuela Técnica Superior de Arquitectura de Málaga, 12 y 13 de Noviembre de 2020: libro de actas, 2020
Desde el año 2000, las estructuras y dinámicas universitarias han tendido a homologar los procesos internos de las escuelas de arquitectura chilenas. No obstante, el perfil de un estudiante más informado y exigente ha desafiado, tanto la política pública como la pedagogía disciplinar.
Lagos Vergara, Rodrigo   +1 more
openaire   +2 more sources

Planar Tetracoordinate Oxygen Atoms

open access: yesAngewandte Chemie, Volume 137, Issue 20, May 12, 2025.
This study investigates 515 candidate structures featuring a planar tetracoordinate oxygen (ptO) atom, adhering to the 18 valence electron rule and formulated as OXnYmq. Among these, 35 global minima were identified, primarily stabilized by Group 13 elements with charge states spanning −1 to +1.
Gabriela Castillo‐Toraya   +5 more
wiley   +2 more sources

Revistas de Arquitectura, el nuevo escenario del siglo XXI [PDF]

open access: yes, 2011
El inventario de las revistas de Arquitectura realizadas en América Latina en el siglo XX que editáramos en Puerto Rico en el año 2000 sirve para analizar con ese universo de casi 500 revistas las características que marcan los centros de interés de los ...
Gutierrez, Ramón
core   +2 more sources

Mujeres de la arquitectura moderna en Chile; (Re)Significando una contribución omitida en el relato historiográfico de la profesión

open access: yesCuadernos del Centro de Estudios de Diseño y Comunicación
La participación de las mujeres en el desarrollo de la arquitectura en Chile ha sido tradicionalmente omitida por una historiografía bastante hegemónica durante las últimas décadas.
Sergio Salazar Álvarez
semanticscholar   +1 more source

Ancient Cartographies as a Basis for Geolocation Models in Public Space: The Case of Giambattista Nolli and its Heritage Application [PDF]

open access: yes, 2019
In 1748, the architect and surveyor Giambattista Nolli mapped an abstract reality of the city of Rome. As a challenge to the inherited projections, it represented the city mixing streets, halls, corridors, churches, baths and markets as part of a unique ...
Cubero Hernández, Antonio   +2 more
core   +1 more source

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