Results 61 to 70 of about 106,341 (173)

Geophysical investigation of the Santa Marta impact structure—Piauí State, Brazil

open access: yesMeteoritics &Planetary Science, EarlyView.
Abstract The Santa Marta impact structure in northeastern Brazil, recognized as a partially preserved complex crater, was investigated through an integrated geophysical study employing magnetotelluric (MT) and gravity methods. Our research provides constraints on the crater's subsurface architecture.
Elienara Vasconcelos   +5 more
wiley   +1 more source

Universidades são o retrato educacional das nações, bibliotecas são o retrato das universidades

open access: yesRDBCI: Revista Digital de Biblioteconomia e Ciência da Informação, 2020
O relato de experiência consiste em texto que descreve as ações pioneiras do sistema de bibliotecas universitárias do Estado do Piauí (PI), a partir da instalação da primeira universidade pública federal, Universidade Federal do Piauí (UFPI), instituída ...
Maria das Graças Targino
doaj   +1 more source

A Computer Vision‐Based Methodology to Estimate Fruit Colour Diversity in Ornamental Pepper (Capsicum spp.)

open access: yesPlant Breeding, EarlyView.
ABSTRACT Fruit colour diversity within different ripening stages confers ornamental value for pepper plants. Using images can be helpful in analysing the fruit colour‐related genetic diversity and enable selecting accessions for ornamental purposes by avoiding subjectiveness.
Marcos Bruno da Costa Santos   +7 more
wiley   +1 more source

Analysis of land cover and land use in relief units in the municipalities of Castelo do Piauí and Juazeiro do Piauí, Northeastern, Brazil

open access: yesGeografares, 2016
It is essential the use of GIS for mapping of geo-environmental unitsand remote sensing to analyze of coverage of land, mainly in areas susceptible Desertication (ASD), such as the municipalities of Castelo do Piauí and Juazeiro do Piauí.
Francílio de Amorim dos Santos   +1 more
doaj   +1 more source

Spatiotemporal Patterns and Socioeconomic Determinants of Pulmonary Tuberculosis in Piauí, Northeast Brazil, 2001–2024

open access: yesTropical Medicine &International Health, EarlyView.
ABSTRACT Background Pulmonary tuberculosis (PTB) remains a major public health problem, strongly associated with social and territorial inequalities. This study aimed to analyse temporal trends, spatiotemporal transmission patterns and socioeconomic determinants of PTB in the state of Piauí, Northeast Brazil, from 2001 to 2024.
José Mário Nunes da Silva   +2 more
wiley   +1 more source

Leibniz e as duas faces do labirinto do contínuo: uma introdução

open access: yesArgumentos, 2010
É fato bastante conhecido que os conceitos de tempo, espaço e matéria desempenham papel central na filosofia de Leibniz; a forte oposição que ela fez aos mesmos conceitos utilizados na filosofia newtoniana e cartesiana é prova disso.
William de Siqueira Piauí
doaj   +2 more sources

Boécio e o problema dos futuros contingentes [PDF]

open access: yesPrincípios, 2008
This article represents our belief of what it is possible to introduce the Boethius thought from one of the most recurrent problems of the philosophy, the problem of the contingent futures, explaining, from that problematic, of course, which are the most
William de Siqueira Piauí
doaj  

Levantamento florístico de Bryopsida de cerrado e mata ripícola do Parque Nacional de Sete Cidades, Piauí, Brasil Bryopsida from the cerrado and gallery forest of the Sete Cidades National Park, in the State of Piauí, Brazil

open access: yesActa Botânica Brasílica, 2002
Foi realizado o levantamento florístico das Bryopsida dos ecossistemas de cerrado e de mata ripícola do Parque Nacional de Sete Cidades localizado nos municípios de Piracuruca e Brasileira (04º0515'S e 41º3045'W), Piauí, Brasil.
Nívea Maria Carneiro Farias Castro   +3 more
doaj   +1 more source

Capacitive Coupling of Two Transmission Line Resonators Mediated by the Phonon Number of a Nanoelectromechanical Oscillator

open access: yes, 2014
Detection of quantum features in mechanical systems at the nanoscale constitutes a challenging task, given the weak interaction with other elements and the available technics.
de Oliveira, M. C.   +3 more
core   +1 more source

Composição bromatológica do capim-Marandu sob efeito de irrigação e adubação nitrogenada. [PDF]

open access: yes, 2015
Foram avaliados os efeitos de diferentes lâminas de irrigação e doses de nitrogênio sobre a composição química da Brachiaria brizantha cv. Marandu.
ANDRADE, A. C.   +8 more
core   +3 more sources

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