Results 41 to 50 of about 46,058 (228)

Kepler y el teorema fundamental de la óptica

open access: yesPrincipia: An International Journal of Epistemology, 2021
En el artículo se ofrece un análisis de los argumentos que condujeron a Kepler a la defensa y demostración del teorema fundamental de la óptica. Según este teorema, un haz homocéntrico de luz que se ve obligado a atravesar una esfera transparente ...
Carlos Alberto Cardona
doaj   +1 more source

Pharmacological pain relief and postpartum bleeding in women with moderate or severe anemia: A cohort analysis of the WOMAN‐2 trial

open access: yesInternational Journal of Gynecology &Obstetrics, EarlyView.
Abstract Objective Pain relief could minimize blood loss by limiting the adrenaline stress response to fear and trauma during birth. We examined the association between pharmacological pain relief and postpartum bleeding in a large cohort of women giving birth with anemia in sub‐Saharan Africa and South Asia.
Judith Lieber   +161 more
wiley   +1 more source

Bisphenol A and Its Analogs: Toxicity Analysis in Mouse and Rat Liver—A Review

open access: yesJournal of Applied Toxicology, EarlyView.
ABSTRACT Bisphenol A (BPA) and its analogs are widely recognized for their use in industry and plastic manufacturing. Consequently, humans and animals are continually exposed to various substances in their daily lives. This review evaluates the hepatic toxicity of BPA and its analogs in mice and rats, with particular emphasis on molecular mechanisms ...
Sevda Bagdatli   +5 more
wiley   +1 more source

Textualidad ocular, poética visual y sinestesia en Octavio Paz

open access: yesRevista de Lenguas Modernas, 2016
El presente ensayo analiza la importancia de los motivos del ojo y la mirada en la poesía de Octavio Paz a partir del uso de diversas metáforas y sinestesias que privilegian la idea del poema como un espacio en movimiento o palabras en rotación.
Norman Marín Calderón
doaj   +1 more source

Machine Learning‐Based Correction of Reanalysis Surface Radiation Fluxes Using Ground‐Measured Data in the Southern Brazilian Pampa Biome

open access: yesInternational Journal of Climatology, EarlyView.
This study demonstrates that ERA5 provides more accurate surface radiation flux estimates than MERRA2 across the Southern Brazilian Pampa. Machine learning models, particularly Random Forest, further improved the precision of reanalysis data for climate applications.
Olusola Samuel Ojo   +5 more
wiley   +1 more source

Molecular mechanisms linking food processing to the human gut microbiome and metabolic health: A critical review

open access: yesJSFA reports, EarlyView.
Abstract Food processing can improve safety, shelf life, digestibility and sensory quality, but it can also alter the food matrix, remove microbiota‐accessible substrates and introduce additives or heat‐derived compounds that modify host–microbe interactions.
Elijah Kolawole Oladipo   +10 more
wiley   +1 more source

Government Expenditure and Economic Growth: An Empirical Analysis of the Armey Curve in Nigeria

open access: yesRomanian Economic Journal, 2014
This paper discusses the theoretical and empirical basis for the existence of an optimal size of government as depicted by Armey Curve, which is an inverted U curve, where the size of government is on the horizontal axis and economic growth rate is on ...
Olaleye Samuel Olasode   +3 more
doaj  

Ojos azules... Ojos negros

open access: yes, 1920
Cuento sobre dos hermanas que tienen los ojos de diferente color.
openaire   +1 more source

Sex Differences in Fall Frequency, Risk Factors, and Outcomes in Parkinson's Disease: A Cross‐Sectional Analysis

open access: yesMovement Disorders Clinical Practice, EarlyView.
Abstract Background Female sex is an independent fall risk factor in Parkinson's disease (PD), yet sex‐specific fall patterns remain unclear. Objectives To compare sex‐specific fall risk and outcomes across PD, prodromal alpha‐synucleinopathy (PAS), and healthy controls (HC); estimate fall frequency across PD progression; and assess how sex modifies ...
Joaquin A. Vizcarra   +197 more
wiley   +1 more source

The role of community‐level institutions in smallholder land restoration

open access: yesPeople and Nature, EarlyView.
Abstract This review focuses on the role of community‐level institutions in the adoption of land restoration practices by smallholder farmers. Based on a systematic review of 72 peer‐reviewed articles from 33 low‐ and middle‐income countries, the review synthesizes recent empirical evidence on the various roles these institutions play in supporting ...
Daniel Wiegant, Soumya Balasubramanya
wiley   +1 more source

Home - About - Disclaimer - Privacy