Results 21 to 30 of about 161,329 (165)

Food Habits of Wild Silky Anteaters ( Cyclopes didactylus ) of São Luis do Maranhão, Brazil [PDF]

open access: yes, 2009
None of the four extant anteater species is currently considered to be threatened with extinction (IUCN, 2007; Aguiar and Fonseca, 2008). However, the destruction and fragmentation of their habitat is advancing swiftly throughout their common ...
Miranda, Flávia   +3 more
core   +1 more source

The Conquest and Colonisation of Maranhão-Grão Pará: the Hispanic Monarchy’s Large Project for the Brazilian Amazon Region (1580-1640)

open access: yesRevista de Estudios Brasileños, 2019
The region known as Maranhão at the beginning of the 17th century encompassed the whole Amazon domain. Famous in Renaissance Europe due to the numerous myths and legends that emerged there, it started to be attractive for different societies in Europe ...
José Manuel SANTOS PÉREZ
doaj   +1 more source

Criação e implementação do Colégio Universitário da Fundação Universidade do Maranhão (1968-1980)

open access: yesCadernos de História da Educação, 2023
Neste trabalho estuda-se o processo de criação e implementação do Colégio Universitário da Fundação Universidade do Maranhão (1968-1980), sua trajetória e os movimentos que o conformaram enquanto Colégio de Aplicação.
Samuel Luis Velázquez Castellanos   +2 more
doaj   +1 more source

PERCEPÇÃO DOS IMPACTOS DE PARQUES EÓLICOS SOBRE O ECOTURISMO DE OBSERVAÇÃO DOS GUARÁS, EUDOCIMUS RUBER (LINNAEUS, 1758) NOS PEQUENOS LENÇÓIS MARANHENSES, NE, BRASIL

open access: yesBoletim Goiano de Geografia, 2022
Objetivou-se registrar, por meio de percepções dos condutores locais de turismo, impactos de parques eólicos sobre as populações de E. ruber e a importância da espécie para o ecoturismo na região dos PLM.
Francisco das chagas vieira santos   +2 more
doaj   +1 more source

Experimental methods in chemical engineering: Atomic absorption spectrometry—AAS

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
Abstract Elements absorb electromagnetic radiation (light) of a specific wavelength in proportion to the number of atoms in its path. As the atoms absorb this light energy, electrons rise from the ground state to an excited state. In atomic absorption spectrometry (AAS), high temperatures produce clouds of atoms from the sample (atomization) and ...
Emily Cintia Tossi de A. Costa   +4 more
wiley   +1 more source

Portaria de Credenciamento ENFAM n. 119 de 2 de junho de 2015 [PDF]

open access: yes, 2015
Credencia o curso "Método APAC para Magistrado do Maranhão" promovido pela Escola Superior da Magistratura do Estado do ...
Escola Nacional de Formação e Aperfeiçoamento de Magistrados (Brasil) (ENFAM)
core  

3D‐Printed Geopolymer as a Basic Heterogeneous Catalyst for the Synthesis of α‐Cyanoacrylates Through the Knoevenagel Condensation

open access: yesEuropean Journal of Organic Chemistry, EarlyView.
3D‐printed geopolymers are presented as efficient and reusable heterogeneous catalysts for the Knoevenagel condensation. Under mild and green conditions, they promote the high‐yield synthesis of diverse α‐cyanoacrylates with remarkable stability and scalability.
Francesca T. Albino   +5 more
wiley   +1 more source

Convênio de cooperação técnica para pesquisa, desenvolvimento e transferência de tecnologia agropecuária para o Estado do Maranhão: relatório de atividades. [PDF]

open access: yes, 2013
Ações de Pesquisa para o Desenvolvimento Sustentado da Maizicultura no Estado do Maranhão para as Safras 2006/2007, 2007/2008 e 2008/2009; Avaliação de Genótipos de Mamona Consorciados com Feijão-Caupi em Baixa Altitude no Estado do Maranhão; Avaliação e
EMBRAPA MEIO-NORTE.
core  

Assessment of the wintering area of Red Knots in Maranhão, northern Brazil, in February 2005 [PDF]

open access: yes, 2005
To assess population size and the conservation status of the Red Knot Calidris canutus rufa population in Maranhão, N Brazil, an aerial census and field studies were conducted in February 2005.
Baker,Allan J.   +8 more
core  

Heat and Cold Waves in Brazil: An ERA5‐Based Analysis of Trends and Seasonality (1980–2024)

open access: yesInternational Journal of Climatology, EarlyView.
This study uses ERA5 reanalysis data to assess changes in extreme heat and cold events across Brazil from 1980 to 2024. Results reveal a sharp increase in heatwave frequency and a general decline in coldwave occurrences, though regional variations are substantial.
Alindomar Lacerda Silva, Scott Sheridan
wiley   +1 more source

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