Results 41 to 50 of about 35,521 (174)

The coelurosaur theropods of the Romualdo formation, early Cretaceous (Aptian) of Brazil: Santanaraptor placidus meets Mirischia asymmetrica

The Anatomical Record, EarlyView.
Abstract The upper carbonate concretion levels of the Romualdo Formation (Aptian, Brazil) have yielded several theropod dinosaur remains, including spinosaurids and the coelurosaurs Santanaraptor placidus and Mirischia asymmetrica, the phylogenetic affinities of which are controversial.
Rafael Delcourt, Orlando Nelson Grillo, Christophe Hendrickx, Maximilian Kellermann, Max Cardoso Langer   +4 more
wiley   +1 more source

Corporate Social Responsibility (CSR) in Mining: An Integrated Institutional and Agency Theory Perspective

Corporate Social Responsibility and Environmental Management, EarlyView.
ABSTRACT Mining is one of the foundations of economic development but has historically been associated with severe socioenvironmental impacts, such as ecosystem degradation, displacement of traditional communities, and large‐scale disasters. In this context, corporate social responsibility (CSR) plays a central role as a mechanism for legitimizing ...
Felipe Moura Oliveira, Elaine Aparecida da Silva   +1 more
wiley   +1 more source

Biochar‐Induced Shifts in Fungal Community Structure and Their Association With Soil Physical Properties in Degraded Soil From the Brazilian Semiarid

Land Degradation &Development, EarlyView.
ABSTRACT Soil degradation compromises ecosystem functioning. Biochar, a carbon‐rich amendment, has gained attention as a promising strategy to enhance soil structure and restore microbial balance. This study investigated the effects of two biochars, cashew bagasse biochar (CBB) and a co‐pyrolyzed biochar produced from sewage sludge and cashew pruning ...
João Marcos Rodrigues dos Santos, Arthur Prudêncio de Araujo Pereira, Kaio Gráculo Vieira Garcia, Ícaro Vasconcelos do Nascimento, Francisco Luan Almeida Barbosa, Tiago da Costa Dantas Moniz, Gilvanete da Silva Henrique, Murilo de Sousa Almeida, Vania Maria Maciel Melo, Mirian Cristina Gomes Costa, Helon Hébano de Freitas Sousa, Adriana Guirado Artur, Christiana de Fátima Bruce da Silva, Odair Pastor Ferreira, Antônio Gomes de Souza Filho, Erika Valente de Medeiros, Ademir Sergio Ferreira Araujo, Rafael Santiago da Costa, Jaedson Cláudio Anunciato Mota   +18 more
wiley   +1 more source

GRAFISMOS DE CONTORNO ABERTO NO PARQUE NACIONAL SERRA DA CAPIVARA – P

Clio Arqueológica, 2012
As figuras de contorno aberto fazem parte de um conjunto de figuras particulares presentes em pequena proporção nos abrigos rochosos do Parque Nacional Serra da Capivara.
Daniela Cisneiros, Anne-Marie Pessis
doaj  

A new combination in Strophopappus (Asteraceae, Vernonieae, Lepidaploinae)

Nordic Journal of Botany, EarlyView.
Revisions of herbarium collections reveal a new combination in Strophopappus (Asteraceae, Vernonieae, Lepidaploinae). Strophopappus comprises nine species occurring in South America, eight of which are endemic to Brazil. Currently, Vernonia riedeliana is treated as a synonym of Strophopappus bicolor.
Danielle Remor, Carolina M. Siniscalchi, Benoît Loeuille   +2 more
wiley   +1 more source

Conteúdo microbiológico de méis de Apis mellifera (Hymenoptera: Apidae) dos Estados do Ceará e Piauí

Boletim de Indústria Animal, 2013
O mel tem propriedades especiais que inibem ou matam microrganismos, porém, alguns tipos de microorganismos podem persistir no mel. Esporos estão presentes em toda parte, eles podem, ser encontrados até mesmo em mel, na colméia podendo vir de fontes primárias como pólen, trato digestivo da abelha, ar e néctar, contaminação secundária e ...
Geni da Silva Sodré, Luís Carlos Marchini, Vanessa Pires da Rosa, Augusta Carolina de Camargo Carmello Moreti, Carlos Alfredo Lopes de Carvalho   +4 more
openaire   +4 more sources

Assessing the Effects of Biodiesel Production on Sustainability: A Bayesian Two‐Stage Data Envelopment Analysis Approach

Sustainable Development, EarlyView.
ABSTRACT Sustainable development transforms production systems, requiring integrated environmental, social, and economic strategies. Energy systems are key agro‐industrial supply chains in developing countries. Brazil's soybean supply chain impacts Gross Domestic Product, mainly through exports.
Aline Veronese da Silva, Camila Veneo Campos Fonseca, Pedro Gerber Machado, Marcelo Azevedo Costa   +3 more
wiley   +1 more source

Perfil das agroindústrias rurais nas microrregiões do Piauí. [PDF]

, 2023
– O objetivo desta pesquisa foi analisar o perfil das agroindústrias rurais nas microrregiões do Piauí. Para isso, utilizou-se a abordagem exploratória dos dados do Censo Agropecuário de 2017.
LIMA, E. de S., CRUZ, S. R. S.
core  

“Que eu saiba, água não faz monte”: perspectivas em conflito no processo de implementação da UHE Cachoeira no rio Parnaíba (PI/MA)

Revista IDEAS, 2013
O presente trabalho lança alguns apontamentos sobre as diferentes perspectivas de desenvolvimento, conservação e manejo ambientais e direitos territoriais identificados nos discursos dos atores envolvidos em um projeto de implementa- ção da Usina ...
Clarisse Cavalcante Kalume
doaj  

Influence of Surface Roughness and Temperature on Niobium Cathodic Cage Duplex Treatment Applied to VP20TS Steel

steel research international, EarlyView.
Niobium cathodic cage duplex treatment is applied to VP20TS steel to evaluate the influence of surface roughness and temperature on coating performance. Results show that higher temperatures promote thicker nitride layers and increased microhardness, while finer surface preparation enhances adhesion and wear resistance, revealing optimal conditions for
Alan Bruno Costa Cardoso, Ediones Maciel de Sousa, João Rodrigues de Barros Neto, Leandro Almeida Silva, Luciana Sgarbi Rossino, Rômulo Ribeiro Magalhães de Sousa, Marcos Guilherme Carvalho Braulio Barbosa   +6 more
wiley   +1 more source