Results 111 to 120 of about 366,320 (298)

A Buck boost-Buck PFC rectifier as an LED driver [PDF]

open access: yes, 2015
The objective of this thesis is to design a buck boost-buck power factor corrector (PFC) to drive a string of High Brightness Light Emitting Diodes (HB-LEDs).
Pattanaik, Biswajit
core  

Environmental impact of antidepressants: Is a new prescription framework possible?

open access: yesBritish Journal of Clinical Pharmacology, EarlyView.
Aims Antidepressants such as venlafaxine and sertraline pose high risks to water ecosystems. As depressive disorders and other mental health conditions become increasingly prevalent worldwide, prescription and environmental presence of these pharmaceuticals continue to rise. This study explores the practical viability of a new framework for prescribing
Matilde Bianconi   +5 more
wiley   +1 more source

Biographies, ontological security and the socio‐spatial politics shaping teachers' mobility in remote Australia

open access: yesBritish Educational Research Journal, EarlyView.
Abstract The global teacher shortage continues to intensify, with disparate impacts across geographic and socio‐economic communities. In Queensland, Australia, where this study originates, post‐COVID teacher shortages have intensified workforce pressures, leaving several regional, rural and remote schools as some of the ‘hardest‐to‐staff’ in the ...
Matthew Readette   +5 more
wiley   +1 more source

Socioeconomic status, parenting factors and academic achievement among Chinese adolescents aged 12–13: How do they relate?

open access: yesBritish Educational Research Journal, EarlyView.
Abstract Extensive research has shown that students from higher socioeconomic status (SES) backgrounds generally outperform their lower SES peers. Nevertheless, some low SES students succeed, albeit it ‘against the odds.’ Coleman's (1988) theory of social capital in the family suggests that financial capital, human capital and social capital all affect
Fang Xu, Steve Strand
wiley   +1 more source

A Bidirectional Versatile Buck-Boost Converter Driver for Electric Vehicle Applications. [PDF]

open access: yesSensors (Basel), 2021
González-Castaño C   +4 more
europepmc   +1 more source

Conversores utilizando células de comutação de quatro estados [PDF]

open access: yes, 2008
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia Elétrica.O presente trabalho versa sobre conversores estáticos baseados em uma célula de comutação de quatro estados.
Peraça, Mauro Tavares
core  

A Systemic Model for Understanding Business Interactions With Biodiversity and Ecosystems

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT Biodiversity loss and ecosystem degradation represent critical threats to human well‐being and economic resilience, challenging businesses to understand and manage their interdependence with natural systems. This study develops a systemic framework—the BioModel—that elucidates the reciprocal relationship between businesses, biodiversity, and ...
Lino Cinquini   +2 more
wiley   +1 more source

Fractional-Order Approximation of PID Controller for Buck-Boost Converters. [PDF]

open access: yesMicromachines (Basel), 2021
S Sánchez AG   +3 more
europepmc   +1 more source

Consumers' Intention to Use Circular Business Models: A Configurational Analysis

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT Circular business models (CBMs) integrate ecological sustainability and resource efficiency into core business strategies, but their success depends on consumers' intention to use. Grounded in expectancy–value theory, this study investigates how product‐related factors (perceived usefulness, convenience, value for money, and performance risk ...
Christof Falkenberg   +4 more
wiley   +1 more source

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