Results 51 to 60 of about 233,123 (219)

Variability of venous hemodynamics detected by air plethysmography in CEAP clinical classes [PDF]

open access: yes, 2007
BACKGROUND: The hemodynamic variability of air plethysmography is known in the literature, but the clinical significance of this event has not been investigated yet, and there may be some unexplored clinical meaning.
Barros Junior, Newton de   +2 more
core   +3 more sources

Muestras, variabilidad y error [PDF]

open access: yesRevista Chilena de Anestesia, 2014
1 Profesor Titular, Division de Anestesiologia, Pontificia Universidad Catolica de Chile. La mayor parte de la investigacion medica clinica esta dirigida a observar diferencias entre grupos de personas con el objeto de identificar factores de riesgo o de pronostico o, mas frecuentemente, para averiguar si una determinada intervencion produce mejores ...
openaire   +1 more source

Community‐driven variations in snow algae color modulate snow albedo reduction

open access: yesNew Phytologist, Volume 249, Issue 4, Page 1739-1752, February 2026.
Summary Snow algae blooms visibly alter snow color and surface energy balance, yet the biological basis of this variability remains unclear. We investigated how pigment composition and community structure shape the optical properties of snow algae blooms of distinct colors – red, orange, and green – co‐occurring within the same snowfield in Glacier ...
Pablo Almela   +4 more
wiley   +1 more source

A diversidade de variedades locais de milho em Anchieta, Santa Catarina

open access: yesAgropecuária Catarinense, 2020
O presente trabalho teve como objetivo diagnosticar a diversidade fenotípica aparente de variedades locais de milho no município de Anchieta, SC. Para a análise da diversidade foram utilizadas práticas como a aplicação de questionários semiestruturados ...
Gilcimar Adriano Vogt
doaj  

Recursos genéticos de maracujazeiro: produtividade e qualidade de frutos. [PDF]

open access: yes, 2011
Os recursos genéticos são a base da variabilidade natural de qualquer espécie, constituindo-se em fontes de genes para o desenvolvimento de novas variedades.
CAVALCANTE, T. Q.   +7 more
core  

CMiNet: An R package and user‐friendly Shiny App for constructing consensus microbiome networks

open access: yesMethods in Ecology and Evolution, Volume 17, Issue 1, Page 52-66, January 2026.
Abstract Microbial networks offer critical insights into community structure, ecological interactions and host–microbe dynamics. However, constructing reliable microbiome networks remains challenging due to variability among existing inference methods, limited overlap between inferred networks and the absence of a gold standard (a universally accepted ...
Rosa Aghdam, Claudia Solís‐Lemus
wiley   +1 more source

Cronologia e variabilidade

open access: yesRevista de Arqueologia, 2017
O objetivo do presente trabalho foi o de promover a comparação de dois contextos arqueológicos no tocante à ocupação por ceramistas Tupiguarani. Trata-se da Zona da Mata mineira, particularmente os sítios pesquisados pela equipe do MAEA-UFJF e o Complexo Lagunar de Araruama, no litoral do Rio de Janeiro, estudado por pesquisadores do Museu Nacional ...
Leandro Elias Canaan Mageste   +1 more
openaire   +1 more source

Strong Variation in Land‐Use Change Impacts on Tropical Avian Phylogenetic Diversity Between Ecoregions Highlights the Need to Sample Large Spatial Scales

open access: yesGlobal Change Biology, Volume 32, Issue 1, January 2026.
Forest conversion for agriculture is a major cause of biodiversity loss in the tropics, but its impacts depend on how broadly they are measured. Using data from across Colombia, one of the most biodiverse countries in the world, we examined how deforestation for cattle farming affects the evolutionary history of bird species.
Giovanny Pérez   +7 more
wiley   +1 more source

Classification of the coefficient of variation to variables in beef cattle experiments

open access: yesCiência Rural, 2017
: This research was conducted to propose a classification of the coefficient of variation (CV%) in many categories of variables of production and carcass of beef cattle experiments. The data was collected from theses and dissertations.
Marcos André Braz Vaz   +3 more
doaj   +1 more source

Análise da diversidade genética em Stylosanthes guianensis utilizando marcadores RAPD. [PDF]

open access: yes, 2011
O conhecimento da variabilidade genética e da relação entre diferentes acessos de Stylosanthes guianensis é importante para maximizar o uso dos recursos genéticos disponíveis.
CANÇADO, L. J.   +5 more
core   +1 more source

Home - About - Disclaimer - Privacy