Results 71 to 80 of about 1,199,789 (259)

Remote Sensing for Irrigation Water Management—The State of the Art and Prospects for Near‐Future Operations

open access: yesIrrigation and Drainage, EarlyView.
ABSTRACT A recent UN report describes many regions as facing ‘water bankruptcy,’ a condition in which available water resources can no longer meet existing demands. In practice, this means irrigation will likely bear the greatest burden of future water‐use reductions, a complicated and fraught decision to make given its critical role in food security ...
Wim G. M. Bastiaanssen   +30 more
wiley   +1 more source

Flora apícola e relações tróficas de abelhas (Hymenoptera: apoidea) em uma área de restinga (Praia de Intermares, Cabedelo - PB, Brasil)

open access: yesRevista Principia, 1999
A comunidade de abelhas de uma área de restinga, localizada na Praia de Intermares, munícipio de Cabedelo, Estado da Paraíba, Brasil, foi estudada com relação a utilização dos recursos florais.
Maria Cristina Madeira da Silva   +1 more
doaj   +1 more source

List of railroad enterprises in brazil on the 1st of December 1875 (Table No. 3)

open access: yes, 1876
Map showing provincial railroads in Brazil as of 1876, indicating (with red ink) those already built, in the process of being built, and projected to be built.
Imperial Instituto Artístico (Rio de Janeiro, Brazil)
core  

Oocephalus efigeniae, a New Species of Hyptidinae (Lamiaceae) from Northeastern Brazil.

open access: yes, 2020
A new species, , is described and illustrated. The new species occurs in campo rupestre vegetation in Bahia state, northeastern Brazil. is similar to two other species also from Bahia state, and .
Barêa Pastore, José Floriano   +3 more
core   +1 more source

Safety Assessment and Hypoglycemic Effect of Moringa oleifera Lam. Seed Lectin (WSMoL) in Alloxan‐Induced Diabetic Mice

open access: yesJournal of Applied Toxicology, EarlyView.
ABSTRACT Moringa oleifera Lam. seeds contain WSMoL, a lectin previously studied for toxicity and pharmacological effects. In this study, we investigated WSMoL (10, 25, or 50 mg/kg i.p.) for acute and 14‐day repeated‐dose toxicity, as well as genotoxicity, in Swiss mice.
Alícia Natalie Silva dos Santos   +10 more
wiley   +1 more source

FLORA DA PARAÍBA, BRASIL: TILLANDSIA L. (BROMELIACEAE)

open access: yesRodriguésia
RESUMO Este trabalho teve como objetivo elaborar o tratamento taxonômico das espécies do gênero Tillandsia L. ocorrentes no estado da Paraíba, como parte do projeto “Flora Paraibana”. Foram identificadas 12 espécies para o estado: T.
Ricardo Ambrósio Soares de Pontes   +1 more
doaj   +1 more source

Human Health Risk Assessment From Exposure to Toxic Metals in Soils and Leafy Vegetables in Smallholder Farms of Northeastern Brazil

open access: yesJournal of Applied Toxicology, EarlyView.
ABSTRACT This study assessed human health risks associated with exposure to potentially toxic metals (PTMs) in soils and leafy vegetables cultivated in smallholder agricultural systems in Northeastern Brazil. Soil and vegetable samples were collected from 18 agricultural areas and analyzed for cadmium (Cd), chromium (Cr), copper (Cu), iron (Fe), nickel
Fernando Ferreira da Cunha Filho   +5 more
wiley   +1 more source

Nasal Amyloidosis in a Horse

open access: yesBrazilian Journal of Veterinary Pathology, 2012
A 16-year-old Quarter Horse was admitted to the Veterinary Hospital after recurrent epistaxis episodes. Dyspnea and intolerance to exercise were noticed.
Roseane A. Portela   +5 more
doaj   +1 more source

The Crude Venom of the Whitetail Lancehead, Bothrops leucurus, and Two of Its Enzymatic Components Are Selectively Cytotoxic for Glioma Cells In Vitro

open access: yesJournal of Applied Toxicology, EarlyView.
ABSTRACT Malignant glioma is the most common primary brain tumor, and glioblastoma multiforme (GBM) remains its most aggressive and incurable form. Snake venoms contain bioactive compounds with promising antitumoral properties against several cancer types.
M. O. H. V. Rosário   +7 more
wiley   +1 more source

Flora do Ceará, Brasil: Cleomaceae

open access: yesRodriguésia
Resumo Apresentamos um levantamento florístico de Cleomaceae no estado do Ceará, como parte do projeto "Flora do Ceará". O estudo baseou-se na análise dos caracteres morfológicos de espécimes depositados nos herbários EAC, HCDAL, HST, HUEFS, JPB, MOSS, R
José Arthur Arcanjo Carneiro   +6 more
doaj   +1 more source

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