Results 111 to 120 of about 496,417 (192)

O Marco Legal das startups e o incentivo ao desenvolvimento socioeconômico brasileiro

open access: yesPrisma Jurídico
O artigo busca estudar o Marco Legal das Startups levando em consideração a comparação de seu projeto de lei original (PL 146/2019) e a versão sancionada, Lei Complementar 182/2021.
Yduan de Oliveira May   +1 more
doaj   +1 more source

BRS 1055: híbrido simples de milho. [PDF]

open access: yes, 2011
O híbrido simples de milho BRS 1055 foi desenvolvido para lavouras de alto/médio investimento e históricos de alta/média produtividade.bitstream/CNPAF-2010/29881/1/Com-176 ...
BASTOS, E. A.   +22 more
core   +8 more sources

In Situ, Real‐Time Imaging of pH Gradients and Solution Flows through Silica Garden Membranes during Tube Growth

open access: yesSmall, Volume 22, Issue 9, 12 February 2026.
A fluorescent pH probe, added to a saturated metal ion solution, allows for mapping pH during the growth of a silica garden. The probe shows a very intense blue fluorescence at pH around 4 and an intense green fluorescence at pH above 6. The red component of the image allows detection of the formation of particles and tracking solution flows in the ...
Arianna Menichetti   +5 more
wiley   +1 more source

Por uma sociologia das criptomoedas

open access: yesConversas & Controvérsias
A partir de um estudo empírico da relação de jovens universitários com o mercado de criptomoedas, este artigo busca contribuir para a investigação deste novo tema de pesquisa da Sociologia Econômica.
Davi Ribeiro de Camargo   +6 more
doaj   +1 more source

Análise de Viabilidade Técnica e Econômica de um Projeto de Sistema Fotovoltaico para uma Unidade de Agricultura Familiar em Foz do Iguaçu/PR [PDF]

open access: yes, 2019
O incentivo à agricultura familiar e a inovação de programas e tecnologias que permitam a extensão dessas práticas, são alguns dos objetivos do desenvolvimento sustentável.
Céspedes Villalba, Fernando David
core  

Impacts of Climate Change and Human Activities on Global Mountain Grasslands: Insights Into the Last Two Decades and Future Climate Scenarios

open access: yesEarth's Future, Volume 14, Issue 2, February 2026.
Abstract Mountain grasslands are vital ecosystems providing critical services such as carbon sequestration, water regulation, and biodiversity conservation. However, these ecosystems are increasingly threatened by climate change and human activities. This study evaluates vegetation dynamics in global mountain grasslands (2000–2021) using remote sensing
Mulun Na, Giulia Zuecco, Paolo Tarolli
wiley   +1 more source

Angola: economia e empreendedorismo dos migrantes

open access: yesREMHU: Revista Interdisciplinar da Mobilidade Humana
Resumo Este artigo pretende analisar as iniciativas de empreendedorismo dos migrantes em Angola, destacando sua contribuição tanto para a economia angolana quanto para a dos países de origem.
Avelino Chico
doaj   +1 more source

The effects of sovereign credit rating downgrades on investment-to-price sensitivity [PDF]

open access: yes, 2015
Dissertação de mestrado in FinanceThis work examines how changes in the information environment affect real investment decisions. The information contained in stock prices, accordingly to the managerial learning hypothesis, can guide managers ...
Sampaio, Rui Miguel Ribeiro
core  

The Response of the Physical and Biogeochemical Marine Environment to the Passage of Mediterranean Cyclones in the Presence of Eddies, Gyres, and Marine Heat Wave

open access: yesJournal of Geophysical Research: Oceans, Volume 131, Issue 2, February 2026.
Abstract Medicanes, a class of the most intense Mediterranean cyclones, are known to have a substantial influence on the physical and biogeochemical properties of the marine environment. Yet, our understanding of how this response under various precyclone sea conditions is still lacking.
Babita Jangir   +8 more
wiley   +1 more source

The Role of Soil Microorganisms in Microplastic Biodegradation: Mechanisms, Carbon Preferences, and Ecological Impacts

open access: yesEnvironmental Microbiology Reports, Volume 18, Issue 1, February 2026.
This work explores the complex relationship between soil carbon availability and microplastic biodegradation, highlighting competition and symbiosis among microorganisms, the repurposing of microplastic‐derived polymers, and the impact of soil organic carbon on microbial substrate preferences and carbon use efficiency variability.
Mohammad Yaghoubi Khanghahi   +3 more
wiley   +1 more source

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