Results 31 to 40 of about 97,165 (165)

Densidade

open access: yes, 2013
Por que alguns objetos flutuam e outros afundam? Como funciona um submarino? Como Arquimedes decifrou o enigma do rei? Essas são algumas das perguntas que podem ser exploradas nesta coleção.
Maria Cristina Batoni Abdalla Ribeiro – Unesp - SP,
core   +1 more source

Diversification and coexistence amid widespread and persistent gene flow in Andean trees

open access: yesNew Phytologist, EarlyView.
Andean Prunus species diversify into and occupy distinct elevation zones, remaining morphologically distinct. Yet, ancient introgression and recent admixture cross both phylogenetic and ecological distances. This suggests these species function as a long‐lived syngameon rather than fully isolated lineages, which may help explain how tree diversity ...
Ellen J. Quinlan   +5 more
wiley   +1 more source

Densidade relativa de um líquido

open access: yes, 2016
Ensino Médio::QuímicaO experimento propõe a aplicação do método de determinação da densidade relativa de um líquido, para avaliação da sua ...
Centro Experimental de Ciências - Escola Superior de Biotecnologia da Universidade Católica Portuguesa
core   +2 more sources

Qualidade fermentativa e caracterização químico-bromatológica de silagens da parte áerea e raízes de mandioca (Manihot esculenta Crantz) = Fermentation quality and chemical and bromatological characteristics of foliage and roots of silage cassava (Manihot esculenta Crantz)

open access: yesActa Scientiarum: Animal Sciences, 2010
Foram avaliados os efeitos do emurchecimento e da inclusão de raízes (0, 15, 30 e 45% da matéria natural) sobre a composição químico-bromatológica e parâmetros fermentativos de silagens da parte aérea da mandioca.
Camilla Flávia Portela Gomes da Silva   +4 more
doaj  

Effect of spatial arrangement on the production components and yield of sunflower

open access: yesRevista Ceres, 2016
The sunflower plant is an oilseed crop that has aroused a great interest in the Brazilian and international scenery especillay because of the possibility of using its oil for biodiesel production.
Francisco Thiago Coelho Bezerra   +2 more
doaj   +1 more source

Composição química e digestibilidade 'in vitro' de silagens de milho com distintos teores de umidade e níveis de compactação [PDF]

open access: yesCiência Rural, 2005
Foi avaliada a composição química e a digestibilidade 'in vitro' de silagens de milho e respectivas forragens frescas, colhidas com três teores de MS (20, 26 e 28 %) e submetidas antes da ensilagem, a duas compactações (bem compactadas 'BC', ou mal ...
Clóvis Clenio Diesel Senger   +4 more
doaj   +1 more source

Temporal Dilution: Chemotherapy, Capitalism, and the Making of Cancer Time in Colombia

open access: yesThe Journal of Latin American and Caribbean Anthropology, Volume 31, Issue 4, December 2026.
ABSTRACT Through the ethnographic case of a man undergoing chemotherapy for prostate cancer at a hospital in Colombia, this article examines how chemotherapy schedules make toxicity clinically manageable while imposing rhythms that many patients cannot sustain. It develops an analytic framework centered on three interrelated temporal dynamics: temporal
Camilo Sanz
wiley   +1 more source

Riparian Amphibian and Reptile Assemblages in Streams Along a Forest Regeneration Gradient in the Ecuadorian Chocó

open access: yesBiotropica, Volume 58, Issue 6, November 2026.
ABSTRACT While primary forests are declining, regenerating habitats are becoming increasingly common. In fragmented environments, streams may function as corridors between forest remnants for riparian and aquatic species. However, the responses of stream‐associated species to forest regeneration remain understudied.
Moira L. M. Wiedebusch   +2 more
wiley   +1 more source

Densidade relativa de um sólido

open access: yes, 2011
O experimento propõe a aplicação do método de determinação da densidade relativa de um sólido, para avaliação do seu grau de purezaEnsino Médio ...
Centro Experimental de Ciência - Escola Superior de Biotecnologia da Universidade Católica Portuguesa
core   +2 more sources

Mosquito population dynamics are shaped by interactions among larval density, temperature, and relative humidity

open access: yesEcology, Volume 107, Issue 10, October 2026.
Abstract Understanding how variation in key abiotic and biotic factors interact at ecologically relevant spatial scales is crucial for predicting population dynamics, distributions, and abundances. This is especially true for vectors that transmit human pathogens.
Nicole Solano   +8 more
wiley   +1 more source

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