Results 31 to 40 of about 1,446,612 (159)

Ultrasound features in early pregnancy for predicting abnormal karyotype in first‐trimester miscarriage

open access: yesUltrasound in Obstetrics &Gynecology, Volume 67, Issue 3, Page 376-384, March 2026.
ABSTRACT Objective To investigate whether combining abnormal morphological features observed on ultrasound in live pregnancies that ended in a first‐trimester miscarriage can predict an abnormal karyotype. Methods This retrospective observational cohort study was conducted at the early‐pregnancy assessment unit at University College London Hospital ...
T. Setty   +5 more
wiley   +1 more source

Qualidade de mudas de quatro espécies florestais produzidas em diferentes tubetes [PDF]

open access: yesFloresta e Ambiente, 2023
Resumo Avaliou-se a qualidade de mudas de Anadenanthera macrocarpa Benth. Brenan, Schinus terebinthifolius Raddi, Cedrela fissilis Vell. e Chorisia speciosa St. Hill, produzidas em tubetes com volumes de 280, 180, 115 e 56 cm3.
Paulo Sérgio dos Santos Leles   +4 more
doaj  

Testing the size‐grain hypothesis in a generalist predator: The case of an ant species in the Brazilian savannah

open access: yesJournal of Zoology, Volume 328, Issue 3, Page 234-247, March 2026.
In our recent study, we examined whether ants in the Brazilian Cerrado follow the “grain‐size hypothesis,” which proposes that larger ants should have proportionally longer legs to move efficiently across different environments. We used Ectatomma permagnum, a common predatory ant in the Cerrado, measuring hundreds of individuals collected from various ...
A. Sandim, R. Aranda
wiley   +1 more source

Qualidade de mudas de pau-ferro produzidas em diferentes substratos e condições de luz

open access: yesPesquisa Florestal Brasileira, 2013
O objetivo deste estudo foi avaliar o efeito de diferentes substratos e luminosidade no crescimento inicial de mudas de Caesalpinia ferrea Mart. Ex Tul. (pau-ferro). O delineamento experimental utilizado foi inteiramente casualizado em esquema fatorial 5
Laércio Wanderley dos Santos   +2 more
doaj   +3 more sources

Cultivar de trigo BRS Gralha-Azul: características e desempenho agronômico. [PDF]

open access: yes, 2016
Desenvolvimento de cultivar. Características morfológicas.
BASSOI, M. C., FOLONI, J. S. S.
core   +1 more source

Características morfológicas da casca do ovo de avestruz

open access: yesPesquisa Veterinária Brasileira, 2012
A análise morfológica da casca do ovo da avestruz é importante, pois diversos fatores morfológicos podem estar relacionados com a eclodibilidade do ovo desta espécie no Brasil.
Juliana P. Gamba   +3 more
doaj   +1 more source

Movement Strategies of Neotropical Nectarivorous Birds: Insights From High‐Andean Hummingbirds and Flowerpiercers

open access: yesBiotropica, Volume 58, Issue 1, January 2026.
Nectar is a highly variable, mostly unpredictable resource in tropical mountains. How do nectarivorous birds such as this male Great Sapphirewing cope? Fine‐scaled tracking of hummingbirds and flowerpiercers shows flexibility in daily movement strategies in the high Andes, possibly in response to fluctuating local conditions such as weather and ...
Cristina Rueda‐Uribe   +9 more
wiley   +1 more source

Características morfológicas e produtivas de clones de batata doce. [PDF]

open access: yes, 2019
Este estudo teve como objetivo avaliar características morfológicas e produtivas de cultivares de batata doce cultiva-das em Jataí-GO. Foram avaliados 26 clones, empregando o delineamento em blocos casualizados com 3 repetições.
BEVILAQUA, L. K. S.   +3 more
core  

RESPONSE OF Senna macranthera SEEDLINGS GROWN IN RED YELLOW ARGISOL TO MACRONUTRIENTS

open access: yesCiência Florestal, 2011
Senna macranthera has great natural occurrence, with potential use in the recovery of degraded areas. However, there is need for information on the nutrition of native forest species.
Cezar Augusto Fonseca e Cruz   +3 more
doaj   +1 more source

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