Results 41 to 50 of about 2,353,820 (279)

Aportaciones al conocimiento florístico de la Sierra de Aracena (Huelva, España) [PDF]

open access: yes, 1985
A check list of the Sierra de Aracena (Huelva, Spain) is presented. A total of 900 vascular plants have been identificated.Se ha realizado un catálogo floristico de la Sierra de Aracena (Huelva, España), en el que se citan 900 táxones de plantas ...
Cabezudo, Baltasar, Rivera, J.
core   +4 more sources

Assessing the Impact of Promotions on Consumer Purchasing Behavior During Crises

open access: yesAgribusiness, EarlyView.
ABSTRACT Understanding how households modify their food expenditure decisions during times of crisis is essential because consumer purchasing behavior frequently changes during these times. This study looks at these behavioral shifts during the COVID‐19 pandemic, concentrating on how price sensitivity and response to sales promotions changed over the ...
Wafa Mehaba, José María Gil
wiley   +1 more source

Sedimentología y paleontología del yacimiento Finimioceno de La Portera (Valencia)

open access: yesEstudios Geologicos, 1986
En el presente trabajo se estudian las características sedimentológicas y paleontológicas del yacimiento de La Portera (Cuenca del Cabriel. Valencia).
J. I. Lacomba   +4 more
doaj   +1 more source

Early stages of LDL oxidation: apolipoprotein B structural changes monitored by infrared spectroscopy. [PDF]

open access: yes, 2001
Changes in the conformation of apoliprotein B-100 in the early stages of copper-mediated low density lipoprotein oxidation have been monitored by infrared spectroscopy.
Arrondo JL   +5 more
core  

Synthetic Electrocardiogram Spectrogram Generation Using Generative Adversarial Network‐Based Models: A Comparative Study

open access: yesAdvanced Intelligent Systems, EarlyView.
Cardiovascular diseases are leading death causes; electrocardiogram (ECG) analysis is slow, motivating machine learning and deep learning. This study compares deep convolutional generative adversarial network, conditional GAN, and Wasserstein GAN with gradient penalty (WGAN‐GP) for synthetic ECG spectrograms; Fréchet Inception Distance (FID) and ...
Giovanny Barbosa‐Casanova   +3 more
wiley   +1 more source

Estudio palinológico del Plioceno de San Onofre (Tarragona)

open access: yesEstudios Geologicos, 1986
Se realiza el estudio palinológico de 29 muestras de edad pliocénica procedentes de San Onofre (Tortosa, Tarragona), identificándose 88 formas.
N. Solé de Porta, M. F. Valle
doaj   +1 more source

Challenges for the protection of unaccompanied foreign minors in the streets of Ceuta [PDF]

open access: yes, 2019
Ceuta, as a Spanish enclave in Africa face specific challenges in terms of immigration. Due the proximity of Ceuta and Morocco, the residents of Moroccan provinces adjoining are exempted from visa requirements and can be authorized to enter and exit the
Carvalho da Silva, Jacqueline   +1 more
core  

Patterns of spinal motion, kinematic spaces and the land‐to‐sea transition in carnivorans

open access: yesThe Anatomical Record, EarlyView.
Using 3D reconstructions, we quantify intervertebral joint mobility to investigate how cervical, thoracic, and lumbar vertebral regions evolved distinct kinematic roles in pinnipeds. The findings reveal lineage‐specific adaptations for swimming and highlight the functional significance of vertebral joint flexibility in ecological transitions.
Juan Miguel Esteban   +3 more
wiley   +1 more source

Los historiadores españoles y la reflexión historiográfica, 1880-1980

open access: yesHispania, 1998
En este artículo examinamos las vicisitudes de la reflexión sobre la disciplina histórica llevada a cabo por los historiadores españoles en los últimos cien años.
Gonzalo Pasamar Alzuria
doaj   +1 more source

A measurement of crime control-based social exclusion [PDF]

open access: yes, 2016
Comparative criminal justice policy has a strong inclination to confront national crime control systems in accordance to corresponding levels of punitiveness.
García-España, Elisa
core  

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