Results 11 to 20 of about 29,830 (118)

The Use of Medicinal Plants in the Riverside Community of the Mazagão River in the Brazilian Amazon, Amapá, Brazil: Ethnobotanical and Ethnopharmacological Studies. [PDF]

open access: yesEvid Based Complement Alternat Med, 2019
The inhabitants of the floodplain of the Mazagão River in the State of Amapá in the Brazilian Amazon have inherited from indigenous African and Cabocla cultures indications for the use and forms of preparation of medicinal plants to cure diseases of the body and spirit. This study aimed to perform an ethnopharmacological survey of medicinal plants used
Ferreira Rodrigues Sarquis RDS   +8 more
europepmc   +2 more sources

Assessing the Impact of Vegan Toothpastes on Enamel Color Change and Surface Properties. [PDF]

open access: yesJ Esthet Restor Dent
ABSTRACT Objective To evaluate color (ΔE00) and whiteness index (ΔWID) changes, surface hardness loss (SHL), roughness (Ra), mineral content, and morphology of enamel brushed with vegan toothpastes. Methods Enamel blocks (n = 10/group) were stained with black tea (T0) underwent 15.000 (T1) and 30.000 (T2) toothbrushing cycles with: (n = 10): (AS ...
da Trindade Souza de Melo Carneiro RV   +3 more
europepmc   +2 more sources

Taxonomic Novelties in Senna ser. Bacillares (Leguminosae, Cassieae)

open access: yesNordic Journal of Botany, Volume 2023, Issue 9, September 2023., 2023
Senna ser. Bacillares (Leguminosae, Cassieae) is the largest of the American Senna series, with approximately 50 species. Several taxa are still poorly known or with problematic delimitation. Based on extensive fieldwork and collection‐based research for our ongoing taxonomic studies on Senna ser. Bacillares, we identified two new species which we here
Alexandre Gibau de Lima   +5 more
wiley   +1 more source

A structural equation model of land capability and related drivers: Implications for land degradation forecasting in a tropical river basin

open access: yesLand Degradation &Development, Volume 34, Issue 6, Page 1778-1794, 15 April 2023., 2023
Abstract Land degradation is a worldwide problem with natural and anthropogenic causes. An important anthropogenic cause of land degradation is land uses that deviate from land capability, which is the “natural” use. Despite the conscience of scientists about this issue, studies are lacking that set up a quantitative nexus between land capability and ...
Gabriel Henrique de Morais Fernandes   +9 more
wiley   +1 more source

Activating dark earths: somatosoils and the carbonic loops of Amazonian ecologies

open access: yesJournal of the Royal Anthropological Institute, Volume 28, Issue 3, Page 854-874, September 2022., 2022
Abstract Inspired by the fertility and climate change‐mitigation properties of the so‐called Amazonian Dark Earths (ADEs), soil science has devised a technoscientific replica, a soil amendment known as biochar, intended to improve agricultural sustainability and carbon storage in the biosphere. Drawing on fieldwork with Afroindigenous horticulturalists,
Aníbal G. Arregui
wiley   +1 more source

Revisiting a place‐based policy: Transformations in Northeast Brazil

open access: yesGrowth and Change, Volume 52, Issue 4, Page 2412-2436, December 2021., 2021
Abstract Despite being the second most populated region in Brazil, the Northeast has persistently accounted for a small share of national income. A well‐known attempt to develop the region was made in 1959 with the creation of SUDENE, a big push type of place‐based policy resulting in an intensification of industrial investments.
Solmaria Halleck Vega
wiley   +1 more source

Conversão química de madeiras da amazônia - Carvão e briquetes de carvão vegetal [PDF]

open access: yesActa Amazonica, 1988
Nesta pesquisa é relatada a qualidade do carvão fabricado com madeiras do Distrito Agropecuário da Suframa, e do briquete manufaturado tendo como adesivo a tapioca.
Antônio de Azevedo Corrêa
doaj   +1 more source

Mercado de Produtos Florestais no Estado do Rio de Janeiro

open access: yesFloresta e Ambiente, 2023
RESUMO Desde a época do pau-brasil, as florestas fluminenses têm fornecido produtos para o desenvolvimento estadual, como toras, lenha e carvão. Para avaliar a oferta e a demanda destes produtos, foram analisados dados do IBGE gerados a partir do ...
Wilson Ferreira de Mendonça Filho
doaj   +1 more source

Instrumentação térmica aplicada ao processo de produção de carvão vegetal em fornos de alvenaria

open access: yesRevista Árvore, 2012
Neste estudo, propôs-se avaliar a instrumentação térmica de fornos retangulares destinados à produção de carvão vegetal, denominados RAC220, com capacidade individual para produzir 30 toneladas de carvão por ciclo de carbonização.
Solidônio Rodrigues de Carvalho   +5 more
doaj   +1 more source

Integração espacial no mercado mineiro de carvão vegetal Spatial price integration the market of wood charcoal in Minas Gerais, Brasil

open access: yesRevista Árvore, 2005
Este estudo examinou a integração espacial via preços entre quatro mercados regionais de carvão vegetal em Minas Gerais. Após a realização do Teste de Raiz Unitária e do Teste de Causalidade de Granger e estimação de um modelo VAR, concluiu-se que os ...
Alessandro Albino Fontes   +2 more
doaj   +1 more source

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