Results 41 to 50 of about 60,537 (263)

Contribución a la flora de San Luis

open access: yesLilloa, 1944
En este trabajo el autor aborda la corriente floral en el interior de Argentina, tomando como ejemplo Caesalpinia melanocarpa, tema ya tratado por él mismo en 1926 al tratar el área geográfica de Trithrinax campestris en la provincia de San Luis ...
A. Castellanos
doaj  

Characterization of Tropical Rural Homegardens and Their Households in a Premontane Forest of Costa Rica

open access: yesPoblación y Salud en Mesoamérica
Introduction: Homegardens are mixed cropping systems near homes that contribute Food and Nutritional Security (FNS), agrobiodiversity conservation, and household resilience. Yet, scientific studies in Central America, and particularly in Costa Rica, are
Jessica Arias Ramírez   +1 more
doaj   +1 more source

Benzylic Oxidation of Pillar[5]Arene: From Homo‐ to Cross‐Conjugated Macrocyclic Systems

open access: yesChemistry – A European Journal, EarlyView.
Selective benzylic oxidations of pillar[5]arene have been carried out to generate all the possible oxidized derivatives containing from one up to five carbonyl subunits. Effects resulting from the homo‐ and the cross‐conjugation within this series of compounds have been investigated in details and analyzed with the help of DFT calculations.
Jorge Juan Marco‐Guimbao   +8 more
wiley   +1 more source

Descripción litofacial e interpretación genética de los metaconglomerados de la Formación San Luis (Proterozoico Superior - Cámbrico), Sierra de San Luis, Argentina

open access: yesLatin American Journal of Sedimentology and Basin Analysis, 2021
La Sierra de San Luis forma parte de la región austral de las Sierras Pampeanas y está conformada por un basamento ígneo–metamórfico originado durante las orogenias Pampeana y Famatiniana.
Juan Matías Perón Orrillo   +1 more
doaj   +2 more sources

One century of teaching, research, and innovation in chemical engineering in Mexico: The role of chemical engineering in the background and future of polymer science and industrial production in Mexico

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
Timeline of key academic milestones and individuals that shaped chemical engineering at FQ‐UNAM and in Mexico. Abstract One hundred years after the beginning of the teaching of Chemical Engineering in Mexico, which started in 1925 in the former National School of Chemical Sciences, currently Faculty of Chemistry (FQ) at National Autonomous University ...
Patricia Pérez‐Salinas   +2 more
wiley   +1 more source

Digital Transformation of Medicines Regulation in Africa—Perspectives from a Stakeholder Convening

open access: yesClinical Pharmacology &Therapeutics, EarlyView.
Regulatory authorities worldwide are developing strategies to integrate artificial intelligence (AI) into the lifecycle of health products, technologies, and medicines. While regulators share goals of improving efficiency, strengthening decision‐making, and protecting public health, their approaches differ according to institutional structures ...
Christelna Reyneke   +12 more
wiley   +1 more source

Economic Profitability of ESG Investments in the Wine Sector: A Bibliometric Systematic Literature Review

open access: yesCorporate Social Responsibility and Environmental Management, EarlyView.
ABSTRACT This study examines whether and under which conditions ESG investments are associated with profitability in the wine sector. A PRISMA‐guided bibliometric–systematic review of 83 peer‐reviewed articles from Scopus and Web of Science combines bibliometric mapping, qualitative synthesis, and MMAT‐based quality appraisal.
Niccolò Lombardi
wiley   +1 more source

Diagrama de sombrilla para el análisis de factores protectores y de riesgo en salud pública

open access: yesInterdisciplinary Journal of Epidemiology and Public Health
El diagrama de “sombrilla” está enfocado en el análisis de los factores protectores y de riesgo, nace del programa de Salud Pública “Cuidarse está Cool”.
Francisca Angélica Hernández Torres   +6 more
doaj   +1 more source

Limited sex‐specific structural alterations across common epilepsies: A worldwide ENIGMA study

open access: yesEpilepsia, EarlyView.
Abstract Objective Epilepsy is characterized by widespread cortical and subcortical structural alterations beyond the epileptic zone. Importantly, the clinical manifestation of epilepsy, including seizure types, psychiatric comorbidities, and treatment responses, has been shown to differ between sexes. However, sex differences in structural alterations
Huantao Wen   +68 more
wiley   +1 more source

Sinopsis de las Pteridotifas de la Provincia de San Luis (Argentina) Pteridophytic Flora of San Luis Province (Argentina)

open access: yesBoletín de la Sociedad Argentina de Botánica, 2009
El objetivo de este estudio es dar conocer los helechos y grupos emparentados que habitan en la Provincia de San Luis (Argentina). Para ello se consultaron distintos herbarios y se realizó un viaje de campana.
Elias Ramon De La Sota   +3 more
doaj  

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