Results 11 to 20 of about 1,026 (115)

Mechanistic Insight into H₂S-Induced Fluorescence Quenching in a Robust Metal-Organic Framework. [PDF]

Small
An ultramicroporous Zn‐based metal‐organic framework, MFM‐520, enables reversible hydrogen sulfide adsorption and selective fluorescence sensing. Confinement of H2S within the pores perturbs ligand‐centered excited states through weak host‐guest interactions, enhancing non‐radiative decay pathways.
López-Cervantes VB, Obeso JL, Flores JG, Peralta RA, Antonio de Los Reyes J, Li J, Yang S, Strupiechonski E, Bugallo AL, Gutiérrez-Alejandre A, Amador-Sánchez YA, Solis-Ibarra D, Ibarra IA.   +12 more
europepmc   +2 more sources

What is good drinking water? 41 Years of risk perception on water quality in the vicinity of the Nuclear Research Centre Karlsruhe, 1956–1997

Risk, Hazards &Crisis in Public Policy, Volume 14, Issue 4, Page 343-365, December 2023., 2023
Abstract This article traces the historical evolution of risk perception around the Nuclear Research Centre Karlsruhe, Germany, from 1956 to 1997. It does so by targeting the evolution of water‐related risks. Federal hopes in the postwar era that the Nuclear Research Centre would bring progress and prosperity clashed with local values and local ...
Alicia Gutting
wiley   +1 more source

Lewis Acid‐Catalyzed Ring‐Opening Alcoholysis of Cyclohexene Oxide: The Role of Open Metal Sites in the Bi(III)‐based Metal‐Organic Framework SU‐101

ChemCatChem, Volume 15, Issue 13, July 7, 2023., 2023
Cyclohexene oxide alcoholysis: SU‐101 was applied for the Lewis acid‐catalyzed ring‐opening alcoholysis of cyclohexene oxide. Abstract SU‐101 was screened for the acid‐catalyzed ring‐opening alcoholysis of cyclohexene oxide. Results indicated access to open metal sites within SU‐101, a fundamental requirement (Lewis acid Bi+3 sites) for this reaction ...
Juan L. Obeso, J. Gabriel Flores, Catalina V. Flores, Reyna Rios‐Escobedo, Julia Aguilar‐Pliego, A. Ken Inge, José Antonio de los Reyes, Ricardo A. Peralta, Ilich A. Ibarra, Carolina Leyva   +9 more
wiley   +1 more source

Green Synthesis by Microwave Irradiation of TiO2 Using Cinnamomum verum and the Application in Photocatalysis

Journal of Chemistry, Volume 2023, Issue 1, 2023., 2023
The extraction process of bioactives from the aqueous extract of cinnamon (Cinnamomum verum) was optimized using the Design Expert 11 program and analysis of variance (ANOVA) by considering the following parameters: cinnamon weight (g), power (W), and time (s) of microwave irradiation.
Dante E. González-Anota, Silvia P. Paredes-Carrera, Rosa M. Pérez-Gutierrez, Brandon Arciniega-Caballero, Raul Borja-Urby, Jesús C. Sánchez-Ochoa, Elizabeth Rojas-García, B. R. Ramesh Bapu   +7 more
wiley   +1 more source

A regional view of the linkages between hydro‐climatic changes and deforestation in the Southern Amazon

International Journal of Climatology, Volume 42, Issue 7, Page 3757-3775, 15 June 2022., 2022
Schematic distribution of increased (large icon with “+”), decreased (small icon with “‐”) and non‐trend (medium icon with “0”) for precipitation (cloud), potential evapotranspiration (red arrow), actual evapotranspiration (purple arrow) and dryness index (gold arrow), for areas displaying the most significant variations, over 1981‐2018. The percentage
Sly Wongchuig, Jhan Carlo Espinoza, Thomas Condom, Hans Segura, Josyane Ronchail, Paola A. Arias, Clementine Junquas, Antoine Rabatel, Thierry Lebel   +8 more
wiley   +1 more source

Ambient Noise H/V Spectral Ratio in Site Effect Estimation in La Mesa de Macaracas, Panama

International Journal of Geophysics, Volume 2022, Issue 1, 2022., 2022
In the last 10 years, the community of La Mesa de Macaracas (central Panama) has experienced considerable aftershocks due to earthquakes of magnitudes up to 5.7 Mw. Although most of the community consists of single‐storey houses, the agricultural development in the region has led to multistorey building projects.
José Ladrón De Guevara, Alexis Mojica, Alberto Ruíz, Carlos A. Ho, Kenia Rodríguez, Jaime Toral, José Fábrega, Veronica Pazzi   +7 more
wiley   +1 more source

Propuesta de metodología para la gestión eficiente del agua en zonas regables de Cuba

Ingeniería Hidráulica y Ambiental, 2022
La eficiencia de los sistemas de riego constituye un tema prioritario para la mayoría de los países del mundo y Cuba no está exenta de esta problemática.
Rafael Miguel Pacheco Moya, Pavel Vargas Rodríguez   +1 more
doaj  

An integrated analysis of the March 2015 Atacama floods

Geophysical Research Letters, 2016
In March 2015 unusual ocean and atmospheric conditions produced many years' worth of rainfall in a ~48 h period over northern Chile's Atacama Desert, one of Earth's driest regions, resulting in catastrophic flooding.
Andrew C. Wilcox, Cristian Escauriaza, Roberto Agredano, Emmanuel Mignot, Vicente Zuazo, Sebastián Otárola, Lina Castro, Jorge Gironás, Rodrigo Cienfuegos, Luca Mao   +9 more
doaj   +1 more source

Potencial hidroeléctrico en cuencas hidrográficas de montaña sujetas a regulaciones ambientales cubanas: apuntes para su aprovechamiento

Boletín de Ciencias de la Tierra, 2023
Beneficiar y mejorar el servicio eléctrico a los moradores en zonas intrincadas y montañosas expuestas a regulaciones ambientales es una tarea compleja debido al cuidado necesario que se debe tener en la reducción al mínimo posible de los impactos ...
Liber Galbán Rodriguez, Paula Sánchez López, Ángel Luis Brito Souvanell, Ariadna Herrera Hernández   +3 more
doaj   +1 more source

Estudio experimetal del efecto hidrológico de cubiertas verdes para su utilización en el área metropolitana del Gran Resistencia

Cuadernos del CURIHAM, 2019
Se presentan los resultados preliminares de un estudio sobre modelo físico, referidos a la eficacia y eficiencia hidrológicas de cubiertas verdes para su utilización en el Área Metropolitana del Gran Resistencia (AMGR), Chaco.
Néstor Holsbach, Jorge Pilar, Claudia Pilar   +2 more
doaj   +1 more source