Results 11 to 20 of about 77,409 (165)

OTIMIZAÇÃO DE PORTFÓLIOS: ANÁLISE DE EFICIÊNCIA [PDF]

RAE: Revista de Administração de Empresas, 2014
This article aims to analyze the behavior of a portfolio of assets selected by Data Envelopment Analysis (DEA), optimized by the Sharpe approach, and compare it to portfolios of assets obtained only by DEA or the Sharpe approach.
Paulo Rotela Junior, Edson de Oliveira Pamplona, Fernando Luiz Riêra Salomon   +2 more
doaj   +1 more source

Seleção de financiamento para aquisição de aeronaves: Uma aplicação do método de análise hierárquica (AHP)

Transportes, 1998
A escolha do financiamento para aquisição de aeronaves nas companhias aéreas brasileiras é um problema crucial e complexo. É crucial, pois exerce grande influência na estrutura de capitais da empresa. E é complexo por envolver a analise de uma ampla gama
Sergio Ronaldo Granemann, Ivan Ricardo Gartner   +1 more
doaj   +1 more source

Seven Years of Supply Chain 4.0 and Supply Chain 5.0: Mapping Themes and Knowledge Toward More Developed and Contemporary Supply Chains

Knowledge and Process Management, EarlyView.
ABSTRACT Technological advancements aligned with sustainability and resilience requirements, as well as, a greater focus on human‐centric perspectives, are creating significant transformations in supply chains in this decade, bringing them to a more developed stage.
Guilherme F. Frederico
wiley   +1 more source

Social, Technological, Economic, and Policy Factors in the Circular Economy Transition in Brazil

Sustainable Development, EarlyView.
ABSTRACT A well‐functioning circular economy (CE) integrates resilience across economic, environmental, and social dimensions. This study identifies key drivers and barriers to Brazil's CE transition through 20 semi‐structured interviews with stakeholders. Major sociocultural barriers include inadequate education and limited CE awareness, while growing
Alejandro Gallego‐Schmid, Ana Belén Guerrero, Ricardo Rebolledo‐Leiva, Alvaro Elorrieta‐Mendoza, Denisse Milagros Paredes Cotohuanca, Raphael Ricardo Zepon Tarpani, Rodrigo Salvador, Murillo Vetroni Barros, Claudia E. Henninger, Leonardo Vásquez‐Ibarra   +9 more
wiley   +1 more source

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

The Employment of Hydrogen Peroxide in Water Disinfection Poses a Threat to Aquatic Ecosystems Because of Its Toxicity to Nontarget Organisms

Environmental Toxicology, EarlyView.
ABSTRACT Hydrogen peroxide is widely used in water and wastewater treatment, particularly in advanced oxidation processes that aid in the degradation of compounds and microbial disinfection. Despite concerns about potential environmental contamination, its impact on freshwater ecosystems remains inadequately studied.
Letícia Queiroz Almeida, Thayrine Dias Carlos, Leydiane Barbosa Bezerra, Rone S. Barbosa, Nelson Luís Gonçalves Dias Souza, Douglas Henrique Pereira, Renato Almeida Sarmento, Grasiele Soares Cavallini   +7 more
wiley   +1 more source

Spectral response of guava leaves under infestation by Costalimaita ferruginea (coleoptera: Chrysomelidae)

Agricultural and Forest Entomology, EarlyView.
Coccinellidae (Coleoptera), Miridae (Hemiptera), Hemerobiidae (Neuroptera), Pentatomidae (Hemiptera), Anystidae (Acari), Erythraeidae (Acari) and spiders (Araneidae, Oxyopidae and Salticidae) fed on the invasive paropsine leaf beetles in Marlborough, New Zealand.
Souradji I. Bachirou, Pedro G. Peixoto, David L. Rosalen   +2 more
wiley   +1 more source

Morfofisiologia de plantas de couve manteiga sob concentrações de húmus líquido

Revista de Ciências Agroveterinárias, 2019
A couve manteiga (Brassica oleracea var. acephala L.) pertence à família Brassicaceae e vários estudos têm demonstrado as variações ocorridas nas trocas gasosas entre as plantas e a atmosfera, em virtude de práticas ou de tratamentos aplicados às ...
Maria Eunice Lima Rocha, Pablo Wenderson Ribeiro Coutinho, Mayra Taniely Ribeiro Abade, Adriano Mitio Inagaki, Danielle Acco Cadorin, Livia Maria Lemos Hoepers   +5 more
doaj   +1 more source

Nitrogênio na produção e diagnose foliar do capim-mombaça

Boletim de Indústria Animal, 2013
O nitrogênio é um nutriente de elevado impacto na produtividade das gramíneas forrageiras tropicais. Entretanto, há carência de informações quanto à diagnose foliar para nitrog ênio para uma série de capins. Avaliou-se o efeito do nitrogênio na produção de massa seca, na concentração desse nutriente no tecido vegetal, no valor SPAD nas ...
Cirlene Aparecida Manarim, Francisco Antonio Monteiro   +1 more
openaire   +4 more sources