Results 21 to 30 of about 693,348 (136)

Estudos anatômicos de folhas de plantas daninhas: I - Nicandra physaloides, Solanum viarum, Solanum americanum e Raphanus raphanistrum Anatomical studies of weed leaves: I - Nicandra physaloides, Solanum viarum, Solanum americanum and Raphanus raphanistrum

open access: yesPlanta Daninha, 2002
O objetivo deste trabalho foi estudar a anatomia das folhas das espécies de plantas daninhas Nicandra physaloides (joá-de-capote), Solanum viarum (joá-bravo), Solanum americanum (maria-pretinha) e Raphanus raphanistrum (nabiça), visando obter melhor ...
E.A. Ferreira   +4 more
doaj   +1 more source

Estudos anatômicos de folhas de espécies de plantas daninhas de grande ocorrência no Brasil: III - Galinsoga parviflora, Crotalaria incana, Conyza bonariensis e Ipomoea cairica Leaf anatomical studies in weed species widely common in Brazil: III - Galinsoga parviflora, Crotalaria incana, Conyza bonariensis and Ipomoea cairica

open access: yesPlanta Daninha, 2003
O objetivo deste trabalho foi estudar a anatomia das folhas das espécies de plantas daninhas de grande ocorrência no Brasil: Galinsoga parviflora, Crotalaria incana, Conyza bonariensis e Ipomoea cairica, visando melhor entendimento sobre as barreiras que
S.O. Procópio   +5 more
doaj   +1 more source

Estudos anatômicos de folhas de espécies de plantas daninhas de grande ocorrência no Brasil: IV - Amaranthus deflexus, Amaranthus spinosus, Alternanthera tenella e Euphorbia heterophylla Leaf anatomical studies in weed species widely common in Brazil: IV - Amaranthus deflexus, Amaranthus spinosus, Alternanthera tenella and Euphorbia heterophylla

open access: yesPlanta Daninha, 2003
Neste trabalho é apresentado um estudo da anatomia das folhas de espécies de plantas daninhas de grande ocorrência no Brasil: Amaranthus deflexus, Amaranthus spinosus, Alternanthera tenella e Euphorbia heterophylla, visando melhor compreensão das ...
E.A. Ferreira   +4 more
doaj   +1 more source

An ultrashort pulse ultra-violet radiation undulator source driven by a laser plasma wakefield accelerator [PDF]

open access: yes, 2014
Narrow band undulator radiation tuneable over the wavelength range of 150–260 nm has been produced by short electron bunches from a 2 mm long laser plasma wakefield accelerator based on a 20 TW femtosecond laser system.
Welsh, G. H.   +79 more
core   +1 more source

Mechanical behavior of 'Niagara Rosada' grape berry detachment Comportamento mecânico do destacamento de bagos de uva 'Niagara Rosada'

open access: yesEngenharia Agrícola, 2011
The 'Niagara Rosada' grape is the main Brazilian table grape belonging to the Labrusca family. It develops medium, cylindrical and compact bunches with berries presenting a pinkish skin and a foxy flavor that is valued in the Brazilian market.
Daniel Gomes, Antonio C. de O Ferraz
doaj   +1 more source

Global impact of the first coronavirus disease 2019 (COVID-19) pandemic wave on vascular services [PDF]

open access: yes, 2020
This online structured survey has demonstrated the global impact of the COVID-19 pandemic on vascular services. The majority of centres have documented marked reductions in operating and services provided to vascular patients.
Sapienza, P   +3 more
core   +1 more source

Role of nutritional indices in predicting outcomes of vascular surgery [PDF]

open access: yes, 2019
Background: Malnutrition is frequent among vascular surgery patients, given their age, chronic comorbidities, and poor functional status, and it is believed to increase their operative risk.
Rabeh, Wissam   +5 more
core   +1 more source

Embolia arterial periférica por projétil de arma de fogo em civis: diagnóstico confirmado pelo ultrassom vascular Peripheral arterial emboli due to bullet projectile: diagnosis confirmed by vascular ultrasound [PDF]

open access: yes, 2012
Descrevemos um caso de oclusão arterial aguda por projétil de arma de fogo. Devido à raridade do caso (23 relatos em 20 anos) e a importância do diagnóstico diferencial precoce, uma revisão bibliográfica foi realizada.
Silvestre, José Manuel Silva   +17 more
core   +1 more source

Intraluminal application of vascular endothelial growth factor enhances healing of microvascular anastomosis in a rat model [PDF]

open access: yes, 2005
Background: Early reconstitution after injury to the endothelium is an important feature for reducing a number of vessel wall pathologies. We investigated the effect of vascular endothelial growth factor ( VEGF) and its impact on the vascular remodeling ...
Hollenberg, S. M.   +8 more
core   +2 more sources

Cognitive profiles of vascular and neurodegenerative MCI [PDF]

open access: yes, 2008
The objective of the thesis was to investigate the cognitive profiles of different types of mild cognitive impairment (MCI) and follow their course over time.
Nordlund, Arto
core   +1 more source

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