Results 11 to 20 of about 29,912 (138)
Assessing the Impact of Vegan Toothpastes on Enamel Color Change and Surface Properties. [PDF]
J Esthet Restor DentABSTRACT 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
The Use of Medicinal Plants in the Riverside Community of the Mazagão River in the Brazilian Amazon, Amapá, Brazil: Ethnobotanical and Ethnopharmacological Studies. [PDF]
Evid 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
Taxonomic Novelties in Senna ser. Bacillares (Leguminosae, Cassieae)
Nordic 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
Land 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
Journal 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
Growth 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
Relações entre propriedades químicas, físicas e energéticas da madeira de cinco espécies de cerrado.
Ciência Florestal, 2010 Os objetivos da pesquisa foram caracterizar e avaliar a influência das propriedades químicas (teores de lignina, holocelulose e extrativos) da madeira de cinco espécies lenhosas de Cerrado (Pterodon pubescens, Dalbergia miscolobium, Sclerolobium ...
Ailton Teixeira do Vale +2 more
doaj +1 more source
Ciência Florestal, 2011 Este estudo teve como objetivo verificar a eficiência de carvão vegetal pirogênico como condicionante de substrato para o desenvolvimento de mudas florestais de alto vigor, testando-se o carvoeiro (Tachigali vulgaris) como espécie representativa do Bioma
Fabiane Furlaneto Souchie +5 more
doaj +1 more source
Revista Árvore, 2015 Este trabalho teve como objetivo averiguar a qualidade do carvão vegetal para consumo doméstico, comercializado na região Serrana Sul de Santa Catarina. Foram coletadas 12 marcas de carvão na região da Associação dos Municípios da Região Serrana (AMURES)
Martha Andreia Brand +4 more
doaj +1 more source
Quality of Wood and Charcoal from Eucalyptus Clones for Ironmaster Use
International Journal of Forestry Research, Volume 2012, Issue 1, 2012., 2012 Considering the wide variety of species and clones of Eucalyptus cultivated in Brazil, it is necessary to search for new information on wood properties, so that the selection of genetically superior material may be successful. The present study aimed to determine the properties of wood and charcoal from different clones of Eucalyptus spp. Six clones at
Bárbara Luísa Corradi Pereira +6 more
wiley +1 more source