User profiles for Maria A. Ramon

Maria Angeles Ramón-Jerónimo

Profesor de Marketing
Verified email at upo.es
Cited by 1159

On the characterization of acidic and basic surface sites on carbons by various techniques

MV Lopez-Ramon, F Stoeckli, C Moreno-Castilla… - Carbon, 1999 - Elsevier
Active carbons of different origins have been oxidized with H 2 O 2 and (NH 4 ) 2 S 2 O 8
and their oxygen surface complexes have been characterized by TPD, classical titration …

Long-term clinical effectiveness of continuous positive airway pressure therapy versus non-invasive ventilation therapy in patients with obesity hypoventilation …

…, B Gallego, M Pallero, O Romero, MA Ramón… - The Lancet, 2019 - thelancet.com
Background Obesity hypoventilation syndrome is commonly treated with continuous positive
airway pressure or non-invasive ventilation during sleep. Non-invasive ventilation is more …

Population density in Podarcis lilfordi (Squamata, Lacertidae), a lizard species endemic to small islets in the Balearic Islands (Spain)

…, T García-Díez, B Terrassa, MM Ramón… - Amphibia-Reptilia, 2008 - brill.com
The Balearic lizard, Podarcis lilfordi, is present in 43 insular populations in the Cabrera
archipelago and around the coasts of Mallorca and Menorca islands (Spain). We studied lizard …

The dyspnoea–inactivity vicious circle in COPD: development and external validation of a conceptual model

MA Ramon, G Ter Riet, AE Carsin… - European …, 2018 - Eur Respiratory Soc
The vicious circle of dyspnoea–inactivity has been proposed, but never validated empirically,
to explain the clinical course of chronic obstructive pulmonary disease (COPD). We aimed …

Long‐term outcomes in chronic hypersensitivity pneumonitis

I Ojanguren, F Morell, MA Ramón, A Villar, C Romero… - Allergy, 2019 - Wiley Online Library
Introduction The objective of this study was to analyze mortality, possible predictors of long‐term
survival, and health‐related quality of life of a large chronic hypersensitivity pneumonitis …

Thermoelectric Performance of Surface-Engineered Cu1.5–xTe–Cu2Se Nanocomposites

…, Y Zhang, K Xiao, X Han, Y Liu, B Nan, MG Ramon… - ACS …, 2023 - ACS Publications
Cu 2–x S and Cu 2–x Se have recently been reported as promising thermoelectric (TE)
materials for medium-temperature applications. In contrast, Cu 2–x Te, another member of the …

Benefits of physical activity on COPD hospitalisation depend on intensity

…, E Balcells, J De Batlle, MA Ramon… - European …, 2015 - Eur Respiratory Soc
The present study aims to disentangle the independent effects of the quantity and the
intensity of physical activity on the risk reduction of chronic obstructive pulmonary disease (COPD) …

Correlation of visual performance with quality of life and intraocular aberrometric profile in patients implanted with rotationally asymmetric multifocal IOLs

ML Ramón, DP Piñero… - Journal of Refractive …, 2012 - journals.healio.com
PURPOSE: To examine the visual performance of a rotationally asymmetric multifocal intraocular
lens (IOL) by correlating the defocus curve of the IOL-implanted eye with the intraocular …

Factors determining firms' perceived performance of mobile commerce

…, B López‐Catalán, MA Ramón‐Jerónimo - … Management & Data …, 2012 - emerald.com
Purpose – The purpose of this paper is to analyse which factors impact firms' perceived
performance in mobile commerce (m‐commerce). Introducing the perspective of firms, the paper …

A dynamic perspective to the internationalization of small-medium enterprises

WA Kamakura, MA Ramón-Jerónimo… - Journal of the Academy …, 2012 - Springer
Despite the fact that the dominant theories of the internationalization of small-medium
enterprises (SMEs) prescribe a dynamic and evolutionary process for the firm, most of the …