Results 81 to 90 of about 1,741,275 (298)

Bubbles and Knots in the Kinematical Structure of the Bipolar Planetary Nebula NGC 2818

open access: yes, 2012
High-resolution Hubble Space Telescope (HST) archive imaging and high-dispersion spectroscopy are used to study the complex morphological and kinematical structure of the planetary nebula, NGC 2818.
Vázquez, Roberto
core   +1 more source

Electrochemical Water Oxidation Mechanisms Involving Macrocyclic Copper(II) Complexes: Ligand Ring Size Effects on Catalytic Cycles

open access: yesChemPhysChem, EarlyView.
The ring size of the ligand strongly influences electronic properties, steric effects, and coordination modes of key intermediates. Both catalysts show similar energy barriers for OO bond formation, but [Cu(12‐TMC)]2+ exhibits more complex mechanisms due to ligand reorganization.
João Pedro C. S. Neves   +3 more
wiley   +1 more source

César Vallejo, Opera poetica completa. I: Gli araldi neri. Trilce. A cura di Roberto Paoli. Edizioni Accademia, Milano, 1973; 266 pp. / Lope de Vega, Liriche. Introduzione e traduzione di Roberto Paoli. Giulio Einaudi Editore, Torino, 1974; 162 pp.

open access: yesNueva Revista de Filología Hispánica, 1974
Se reseñaron: Opera poetica completa. I: Gli araldi neri. Trilce. A cura di Roberto Paoli y Liriche. Introduzione e traduzione di Roberto Paoli.
Margherita Morreale
doaj   +1 more source

Powerful yet challenging: mechanistic niche models for predicting invasive species potential distribution under climate change

open access: yesEcography, EarlyView.
Risk assessments of invasive species present one of the most challenging applications of species distribution models (SDMs) due to the fundamental issues of distributional disequilibrium, niche changes, and truncation. Invasive species often occupy only a fraction of their potential environmental and geographic ranges, as their spatiotemporal dynamics ...
Erola Fenollosa   +4 more
wiley   +1 more source

SECUELAS POST-INFECCION POR ADENOVIRUS EN NIÑOS: EVALUACION CON TOMOGRAFIA COMPUTADA

open access: yesRevista Chilena de Radiología
: Introducción. La infección pulmonar por adenovirus en el niño, puede presentar una amplia variedad de manifestaciones clínicas, y ser causa de hospitalizaciones prolongadas.
José D. Arce V   +4 more
doaj   +1 more source

O Estatuto da Terra no confronto do pensamento econômico: Roberto Campos versus Celso Furtado

open access: yesEconomia e Sociedade, 2014
Este artigo identifica as contribuições do pensamento econômico de Roberto Campos e Celso Furtado com respeito à questão agrária e as descreve com respeito às diretrizes do Estatuto da Terra brasileiro, uma importante lei e ...
Arno Paulo Schmitz   +1 more
doaj   +1 more source

ALEA III: Ongoing Panorama of Twentieth Century Music, March 23, 1989 [PDF]

open access: yes, 1989
This is the concert program of the ALEA III: Ongoing Panorama of Twentieth Century Music performance on Thursday, March 23, 1989 at 8:30 p.m., at the Concert Hall, 855 Commonwealth Avenue. The work performed at the prelude performance at 7:15pm was Orfeo
School of Music, Boston University
core  

Progression and prognostic significance of electrocardiographic findings in patients with cardiac amyloidosis

open access: yesESC Heart Failure, Volume 12, Issue 2, Page 809-818, April 2025.
Abstract Aims This study aimed to evaluate the change of the main electrocardiographic (ECG) characteristics and their prognostic role across the main subtypes of cardiac amyloidosis [light‐chain amyloidosis (AL) and hereditary (ATTRv) and wild‐type transthyretin amyloidosis (ATTRwt)].
Alessia Argirò   +20 more
wiley   +1 more source

The in‐hospital administration of sacubitril/valsartan in acute myocardial infarction: A meta‐analysis

open access: yesESC Heart Failure, Volume 12, Issue 2, Page 998-1012, April 2025.
In patients with Acute Myocardial Infarction related heart failure, the in‐hospital administration of ARNIs was associated with a reduced risk of MACEs and re‐hospitalizations for heart failure, as well as cardiac remodeling, compared to standard therapy.
Gianluca Di Pietro   +15 more
wiley   +1 more source

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