Results 81 to 90 of about 1,912,974 (317)

Pesquisas em história da educação matemática no Brasil em três dimensões [PDF]

open access: yes, 2012
Disponível em: http://www.historiacienciaytecnologia.com/historia-de-la-ciencia/historia-das-matematicas-e-historia-da-pesquisa-em-educacao-matematica-no-brasil/História das matemáticas e História da pesquisa em Educação Matemática no Brasil.
Mendes, Iran Abreu
core  

Engineering Ultrasound Contrast Agents for Targeted Therapeutics: A Theranostic Approach to Drug Delivery, Gene Therapy, and Immunomodulation

open access: yesAdvanced NanoBiomed Research, EarlyView.
Ultrasound contrast agents, including microbubbles and nanobubbles, transform imaging and targeted therapy through precise engineering of size, shell composition, and surface properties. This review explores how these innovations enable tissue‐specific delivery, enhance therapeutic efficacy, and extend applications from vascular imaging to tumor ...
Ashkan Seza   +2 more
wiley   +1 more source

Methane Generation Using an Anaerobic Biodigester From Waste Leachate Water

open access: yesAsia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT Leachate wastewater (LWW) is characterized by slow biodegradation and low biogas production due to resistant materials and limited biological activity. Therefore, applying pretreatments is essential to improving biodegradation potential, which consequently boosts energy recovery.
Khairi R. Kalash   +5 more
wiley   +1 more source

Cognição e criatividade na investigação em história da matemática: contribuições para a educação matemática [PDF]

open access: yes, 2013
Disponível em: https://periodicos.ufsc.br/index.php/alexandria/article/view/37942Neste artigo analiso como a investigação histórica das ideias matemáticas pode evidenciar a criatividade como um acionador do processo de cognição matemática e suas ...
Mendes, Iran Abreu
core   +2 more sources

Integrated Evaluation of Contaminant Profiles, Detection Techniques, and Management Strategies for Tannery Sludge

open access: yesAsia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT This review article critically examines the environmental and health hazards of tannery sludge (TS), a complex by‐product of the leather tanning industry. TS is characterized by a diverse array of contaminants, including heavy metals like chromium, organic pollutants such as polycyclic aromatic hydrocarbons (PAHs), volatile organic compounds ...
Yashar Aryanfar   +10 more
wiley   +1 more source

Ensino de conceitos geométricos, medidas e simetria: por uma educação (etno)matemática com arte [PDF]

open access: yes, 2008
Disponível em: http://paginas.uepa.br/seer/index.php/cocar/article/view/105A arte geométrica tem atraído o interesse de antropólogos, artistas plásticos, profi ssionais do universo da moda, estudiosos da etnomatemática, entre outros, pois em quase todo o
Mendes, Iran Abreu
core  

Electrospun Gelatin/OSA‐Starch Nanofibers for Encapsulation and Controlled Release of Sage Extract

open access: yesJournal of Applied Polymer Science, EarlyView.
Schematic representation of electrospun gelatin/OSA‐starch nanofibers encapsulating sage extract, illustrating fabrication, nanofiber formation, and sustained antioxidant release. ABSTRACT In recent years, increasing research efforts have focused on assessing the potential of polymeric nanofibers to improve the bioavailability and stability of active ...
Rozhin Mohagheghian   +4 more
wiley   +1 more source

A investigação histórica na formação de professores de matemática [PDF]

open access: yes, 2010
Disponível em: http://paginas.uepa.br/seer/index.php/cocar/article/view/37Neste artigo discuto a importância da investigação em história da Matemática na formação de professores de Matemática, a partir de ações didáticas realizadas na formação continuada
Mendes, Iran Abreu
core  

Rethinking brachycephaly: Anatomical implications and health considerations in lagomorphs

open access: yesThe Anatomical Record, EarlyView.
Abstract Brachycephaly in domestic rabbits is increasingly perceived by welfare organizations as associated with significant health complications, particularly oral pathologies. Despite this perception, comparative anatomical research into rabbit brachycephaly is limited compared to that of dogs and cats, compelling an in‐depth examination of its ...
Helaina Cressy   +3 more
wiley   +1 more source

Origens da máquina itabirana: de Lucrécio a Newton

open access: yesBoletim de Pesquisa NELIC, 2018
Se buscarmos pelas origens da máquina do mundo como ideia, veremos que elas remontam até o século I a.C., passando por diversos momentos da História universal: na Ciência, Ptolomeu, Copérnico, Descartes, Newton, entre outros; na Literatura, Lucrécio ...
Iran Silveira
doaj   +1 more source

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