Results 211 to 220 of about 989,586 (284)

Technical lignin‐derived liquid polyols for flexible polyurethane foam in automotive seating

open access: yesBiofuels, Bioproducts and Biorefining, EarlyView.
Abstract In this study, three different technical lignins from different biomass sources (softwood, hardwood, and wheat straw) and isolation processes (kraft, hydrolysis, and organosolv) were used to synthesize liquid lignin polyols by oxyalkylating lignin with propylene carbonate, a safe and environmentally friendly solvent.
Kevin Dunne   +4 more
wiley   +1 more source

Unveiling the importance of nonshortest paths in quantum networks. [PDF]

open access: yesSci Adv
Hu X   +9 more
europepmc   +1 more source

String Figuring young children's perspectives of quality in English early childhood education and care

open access: yesBritish Educational Research Journal, EarlyView.
Abstract Quality in early childhood education and care (ECEC) is a contested concept and has generally been conceptualised by inter‐related indicators such as staff qualifications, educational environment, policy or child‐to‐staff ratios. There has been a more limited emphasis on how young children might perceive and experience quality.
Nikki Fairchild, Éva Mikuska
wiley   +1 more source

Physical Forces in Regeneration of Cells and Tissues. [PDF]

open access: yesCold Spring Harb Perspect Biol
Tang SKY, Marshall WF.
europepmc   +1 more source

‘Where are the adults?’: Troubling child‐activism and children's political participation

open access: yesBritish Educational Research Journal, EarlyView.
Abstract Children's political participation is a well‐established theme in childhood studies. In this article we offer an original account of child activism that takes into account the entangled and emergent aspect of children as activists. We begin with a historical and a conceptual review, noting the importance of mid‐20th century developments such ...
Sharon Hunter, Claire Cassidy
wiley   +1 more source

Vacuum energy in non-supersymmetric quasi-realistic heterotic-string vacua with fixed moduli. [PDF]

open access: yesEur Phys J C Part Fields
Basaad E   +4 more
europepmc   +1 more source

Engineering habits of mind in preschool children at Scottish forest nurseries and Australian bush kinders

open access: yesBritish Educational Research Journal, EarlyView.
Abstract Nature‐based learning environments for early childhood are expanding, as is research into their affordances and pedagogies. Engineering in these environments is not well studied. Previous work considered engineering experiences through the lens of ‘designerly play’, finding that natural materials, the space for larger creations and ...
Rebecca Donnelly   +2 more
wiley   +1 more source

Leveraging Resource Management and Duality Theories to Strengthen Circular Economy Practices in the Waste‐to‐Energy Industry

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT With the immediate actions required to address environmental issues posed by waste generation and the growing interest in the circular economy, anaerobic digestion (AD) offers a promising solution. As a major component of waste‐to‐energy, AD plays a dual role by processing waste and generating renewable energy at the same time, thus ...
Adhya Rare Tiara   +4 more
wiley   +1 more source

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