Results 111 to 120 of about 771,251 (387)

On Avatar: digital commerce as activist pedagogy? [PDF]

open access: yes, 2013
Contemporary media allow digital environments to function as transnational classrooms, a multidimensional public sphere accessible to people with Internet connection.
Tzanelli, R
core   +1 more source

Storm intensity and old-growth forest disturbances in the Amazon region [PDF]

open access: yes, 2010
We analyzed the pattern of large forest disturbances or blow-downs apparently caused by severe storms in a mostly unmanaged portion of the Brazilian Amazon using 27 Landsat images and daily precipitation estimates from NOAA satellite data.
Braswell, Rob   +5 more
core   +2 more sources

Blended and digital approaches in histology and pathology teaching: A scoping review

open access: yesAnatomical Sciences Education, EarlyView.
Abstract Histology and pathology education is evolving, driven by the integration of digital microscopy with other technological advances. Gaining insight into the impact of this transition, while understanding the perspectives of both students and educators, is important for improving teaching practices. This includes mapping teaching methods, digital
Eleonora Nava   +3 more
wiley   +1 more source

Artisanal mining of monazite and cassiterite in the Amazon: Potential risks of rare earth elements for the environment and human health [PDF]

open access: green, 2023
Pedro Paulo da Costa Alves Filho   +8 more
openalex   +1 more source

Insights from meta‐analysis for efficient docosahexaenoic acid production in thraustochytrids through advanced cultivation and fermentation strategies

open access: yesBiofuels, Bioproducts and Biorefining, EarlyView.
Abstract This systematic review examines strategies for docosahexaenoic acid (DHA) production by thraustochytrids, focusing on cultivation techniques, fermentation technologies, and carbon/nitrogen optimization to increase productivity. Among 169 eligible articles, the 100 most productive studies (0.7–10.3 g DHA L−1 per day) were analyzed. Quantitative
Jhiovana Cristielly Carrera Silva da Costa   +6 more
wiley   +1 more source

Fire risk and smallholders in the Brazilian Amazon: why have institutional arrangements failed so far? [PDF]

open access: yes, 2013
In the Brazilian Amazon, uncontrolled fire is one of the main drivers of forest degradation leading to important loss of biodiversity and ecosystem services (ES). Smallholders are often considered as the main actors responsible for these damages, as they
Bommel, Pierre   +5 more
core  

Valorization of the peel and husk of guaraná (Paullinia cupana): oil extraction, chemical composition, cytotoxicity, and antitumor potential

open access: yesBiofuels, Bioproducts and Biorefining, EarlyView.
Abstract Guaraná (Paullinia cupana) is a fruit native to the Amazon region. Due to its widespread use, primarily in beverages, its production has grown over the years. The seed is the only commercially valuable part of the fruit so the guaraná production chain generates byproducts, including peel, husk, and spent seed.
Leiliane do Socorro Sodré de Souza   +9 more
wiley   +1 more source

Quadratic unconstrained binary optimization and constraint programming approaches for lattice-based cyclic peptide docking

open access: yesScientific Reports
The peptide-protein docking problem is an important problem in structural biology that facilitates rational and efficient drug design. In this work, we explore modeling and solving this problem with the quantum-amenable quadratic unconstrained binary ...
J. Kyle Brubaker   +6 more
doaj   +1 more source

‘The best year’/‘I struggled with everything’: Widening participation experiences of pandemic online learning

open access: yesBritish Educational Research Journal, EarlyView.
Abstract Improving retention and graduate outcomes for students from a widening participation (WP) background is key to achieving more equitable outcomes. However, evidence suggests WP students experienced different challenges than their peers during the COVID‐19 pandemic.
Wilhelmiina Toivo   +4 more
wiley   +1 more source

Supervised Transfer Learning for Product Information Question Answering

open access: yes, 2019
Popular e-commerce websites such as Amazon offer community question answering systems for users to pose product related questions and experienced customers may provide answers voluntarily.
Bui, Trung   +3 more
core   +1 more source

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