Results 91 to 100 of about 204,815 (267)

Mechanical characterization and influence of the high temperature shrinkage of ß-PVDF films on its electromechanical properties [PDF]

open access: yes, 2003
Tensile dynamic mechanical analysis at 1 Hz was used to characterize the solid rheological properties of ß-PVDF films. Both the elastic and loss moduli and the specific damping capacity were monitored against temperature, allowing the study of the effect
Barbosa, R.   +3 more
core   +1 more source

MicroCT reinvestigation of the only articulated fossil anostomid fish reveals synonymy of Arhinolemur Ameghino, 1898 and Megaleporinus Ramirez et al., 2017

open access: yesThe Anatomical Record, EarlyView.
Abstract Arhinolemur scalabrinii† Ameghino, 1898 was originally described as a strepsirrhine primate (Mammalia) but has been recognized as an anostomid fish since 2012. It remains the only extinct anostomid species known from complete cranial material.
Karen M. Panzeri   +8 more
wiley   +1 more source

Aplicação do diagnóstico curto em uma confecção da cidade de Manaus

open access: yesRevista Gestão & Saúde, 2015
Este trabalho tem o objetivo de explicitar a aplicação do diagnóstico curto em umapequena confecção da cidade de Manaus.  Com relação à abordagem a pesquisacaracteriza-se como qualitativa-exploratória e em termos metodológicos estapesquisa pode ser ...
Moisés Israel Belchior de Andrade Coelho   +2 more
doaj  

Climatic changes: what if the global increase of CO2 emissions cannot be kept under control?

open access: yesBrazilian Journal of Medical and Biological Research
Climatic changes threaten the planet. Most articles related to the subject present estimates of the disasters expected to occur, but few have proposed ways to deal with the impending menaces. One such threat is the global warming caused by the continuous
L.A. Barreto de Castro
doaj   +1 more source

Estimation of biomass concentration and multiple specific growth rates of fed-batch fermentation of recombinant E. coli [PDF]

open access: yes, 2003
In this paper, a two step estimation approach is proposed for estimation of multiple (specific) growth rates and biomass concentration of fed-batch fermentation of recombinant E. coli.
Ferreira, E. C., Lubenova, V., Rocha, I.
core   +1 more source

Paleopathology of a putative colossosaurian caudal vertebra (Neosauropoda: Titanosauria) from the Presidente Prudente Formation, Brazil

open access: yesThe Anatomical Record, EarlyView.
Abstract Studies investigating paleopathologies in sauropods remain scarce despite their relative abundance in the fossil record. In this study we report new occurrence of paleopathological features, corresponding to a neoplasm found in a middle caudal vertebra (MCT.R.2120) of an advanced titanosaur from the Presidente Prudente Formation (Bauru Basin ...
Maria Luiza Peres Bertolossi   +5 more
wiley   +1 more source

Ciência e natureza nas expedições astronômicas para o Brasil (1850-1920)

open access: yesBoletim do Museu Paraense Emílio Goeldi. Ciências Humanas
É fato conhecido que, ao longo de todo o século XIX, o território brasileiro foi palco de frequentes expedições científicas realizadas por naturalistas interessados em conhecer, estudar e, eventualmente, explorar os recursos naturais ali contidos.
Christina Helena da Motta Barboza
doaj   +1 more source

Ciência, tecnologia e inovação como deveres públicos relativos ao estado e à sociedade civil no Brasil

open access: yesRevista do Direito, 2017
O trabalho analisa o tema da ciência, tecnologia e inovação como deveres tanto da esfera pública (Estado), quanto da esfera privada (sociedade civil).
Emerson Gabardo, Luciano Elias Reis
doaj   +1 more source

Dynamic mechanical analysis and creep behaviour of ß-PVDF films [PDF]

open access: yes, 2004
In this work, tensile dynamic mechanical analysis (DMA) was used to characterise the solid-state rheological properties of a commercial ß-polyvinylidene fluoride (PVDF) film in the two main directions (longitudinal and transversal to the stretch ...
Costa, A. Mello   +3 more
core   +1 more source

Widespread distribution of large silesaurids evidenced by a new record from the Middle Triassic of southwest Gondwana

open access: yesThe Anatomical Record, EarlyView.
The largest silesaurid known from South America is described here, demonstrating that silesaurids reached large body sizes in southwestern Gondwana. This discovery further underscores the widespread geographic distribution and temporal persistence of large silesaurids across Pangea, despite faunal turnovers and environmental events such as the Carnian ...
Rodrigo Temp Müller
wiley   +1 more source

Home - About - Disclaimer - Privacy