Results 41 to 50 of about 2,521,686 (170)

Avaliação das exposições dos envolvidos em procedimentos Intervencionistas usando método Monte Carlo

Brazilian Journal of Radiation Sciences, 2017
This study presents a computational model of exposure of a patient, cardiologist and a nurse in a typical scenario of cardiac interventional procedures. In this case, a set of conversion coefficients (CC) for effective dose (E) in terms of the kerma-area
William Souza Santos
doaj   +1 more source

Reconstructing historical catch trends of threatened sharks and rays based on fisher ecological knowledge

Conservation Biology, Volume 39, Issue 5, October 2025.
Abstract Small‐scale fisheries often lack historical shark and ray catch information, hampering their management. We reconstructed historical catch trends and current fishing pressure by combining local ecological knowledge, satellite‐based vessel counts, and a short‐term landing‐site survey.
Guido Leurs, Rima W. Jabado, Assana Camará, Lilísio Dos Santos, Diosnes Manuel Nonque, Thije J. Zuidewind, Iça Barry, Pierre Campredon, Benja Blaschke, Karin de Boer, Nadia Hijner, Han Olff, Samuel Ledo Pontes, Aissa Regalla, Matthew Bjerregaard Walsh, Laura L. Govers   +15 more
wiley   +1 more source

Foliar spectral signatures reveal adaptive divergence in live oaks (Quercus section Virentes) across species and environmental niches

New Phytologist, Volume 248, Issue 1, Page 370-388, October 2025.
Summary Genomic tools have advanced our understanding of species and population structure, but distinguishing neutral from adaptive evolution remains challenging due to limited methods for measuring a broad spectrum of phenotypic traits. We used spectroscopic data from preserved leaves to test for adaptive divergence among populations of live oaks ...
Mariana S. Hernández‐Leal, J. Antonio Guzmán Q., Antonio González‐Rodríguez, Jeannine Cavender‐Bares   +3 more
wiley   +1 more source

Gill evolution in Neotropical electric fishes: Comparative phylogenetic evidence for hypoxia‐driven adaptation

Functional Ecology, Volume 39, Issue 8, Page 1940-1956, August 2025.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Tropical freshwater fishes are often exposed to hypoxia, which limits aerobic metabolism and drives the evolution of diverse physiological, behavioural and morphological adaptations.
William G. R. Crampton, Leilani B. Pathak, Francesco H. Janzen, Joseph C. Waddell, Nathan R. Lovejoy   +4 more
wiley   +1 more source

Aspirin delays preterm birth in pregnancies at high risk for preterm pre‐eclampsia: evidence from randomized clinical trial in Asia

Ultrasound in Obstetrics &Gynecology, Volume 66, Issue 1, Page 24-32, July 2025.
ABSTRACT Objectives To investigate the impact of aspirin administration on the incidence of preterm birth, according to the type of delivery and gestational age at preterm birth, and to examine the hypothesis that aspirin delays preterm delivery. Methods This was a secondary analysis of a multicenter stepped‐wedge cluster randomized trial of a first ...
H. H. Y. Leung, I. Papastefanou, Y. Chen, L. Nguyen‐Hoang, D.‐A. Nguyen, L. T. Dinh, R. K. Pooh, A. Shiozaki, M. Zheng, Y. Hu, Y. Wu, A. Kusuma, P. Yapan, A. Gosavi, A. Sekizawa, S. Luewan, T.‐Y. Chang, N. Chaiyasit, T. Nanthakomon, H. Liu, S. W. Shaw, W. C. Leung, A. S. Mohamad, A. Aguilar, S. L. Lau, N. M. W. Lee, J. Lin, D. S. Sahota, M. K. C. Chong, L. C. Poon   +29 more
wiley   +1 more source

Monte Carlo filtering of piecewise deterministic processes [PDF]

, 2011
We present efficient Monte Carlo algorithms for performing Bayesian inference in a broad class of models: those in which the distributions of interest may be represented by time marginals of continuous-time jump processes conditional on a realisation of
Godsill, S, Whiteley, NP, Johansen, Adam M., Whiteley, Nick, Godsill, Simon J., Johansen, AM   +5 more
core   +1 more source

CRECIMIENTO DE GRANO TRIDIMENSIONAL USANDO MÉTODO DE MONTE CARLO.

Anales (Asociación Física Argentina), 2009
En este trabajo se estudió el crecimiento de grano en 3 dimensiones (3D) mediante el método de Monte Carlo (MC). Las simulaciones fueron hechas sobre una muestra de 100x100x100 sitios y se registraron los tamaños de grano medio y su función distribución ...
C. L. Di Prinzio, E. Bonzi, E. Druetta, O. B. Nasello   +3 more
doaj  

PhyBaSE: A Bayesian structural equation model approach to causal inference in phylogenetic comparative analyses

Methods in Ecology and Evolution, Volume 16, Issue 6, Page 1136-1148, June 2025.
Abstract One of the main limitations of phylogenetic comparative analyses is that associations between traits can only be interpreted as correlations. Here, we present a novel Bayesian structural equation model (PhyBaSE) which allows us to disentangle direct from indirect relationships among variables to propose potential causal hypotheses while ...
Achaz von Hardenberg, Alejandro Gonzalez‐Voyer   +1 more
wiley   +1 more source

Efficient Monte Carlo filtering for discretely observed jumping processes [PDF]

, 2007
This paper addresses a tracking problem in which the unobserved process is characterised by a collection of random jump times and associated random parameters.
Simon Godsill, Nick Whiteley, Johansen, Adam M., Adam M. Johansen, Whiteley, Nick, Godsill, Simon J.   +5 more
core   +1 more source

Restricted Dispersal in the Late Successional Forest Tree Species Nothofagus Pumilio: Consequences Under Global Change

Ecology and Evolution, Volume 15, Issue 5, May 2025.
We aim to uncover the current and historic effective dispersal distances and characterize fine‐scale genetic structure in the forest tree species Nothofagus pumilio. Short seed dispersal distances mean N. pumilio distribution expansion capacity may be limited, especially in the context of global change.
C. Soliani, J. Sekely, C. Zamora‐Ballesteros, K. Heer, O. Lepais, V. Mondino, L. Opgenoorth, M. Pastorino, P. Marchelli   +8 more
wiley   +1 more source