Results 21 to 30 of about 6,336 (257)

Com es conceptualitza l'energia en les unitats didàctiques de biologia?

open access: yesEnseñanza de las Ciencias, 2016
El present treball reflexiona sobre la visió biològica del concepte energia que s'aplica actualment a les aules a partir de l'anàlisi de diversos llibres de text, en paper i digitals.
Marta Pérez Murugó   +2 more
doaj   +1 more source

Admixture Has Shaped Romani Genetic Diversity in Clinically Relevant Variants

open access: yesFrontiers in Genetics, 2021
Genetic patterns of inter-population variation are a result of different demographic and adaptive histories, which gradually shape the frequency distribution of the variants. However, the study of clinically relevant mutations has a Eurocentric bias. The
Neus Font-Porterias   +4 more
doaj   +1 more source

Com ensenyar i aprendre ciència mitjançant el treball pràctic [PDF]

open access: yes, 2007
El treball experimental és un aspecte essencial i inevitable del ensenyament de les ciènci-es. L'objectiu de la ciència és augmentar el coneixement del món material i ser capaç d'explicar fenòmens i ser capaç de controlar-los del alguna manera.
Plarromaní Català, Anna
core   +2 more sources

La Base de Orientación en la Resolución de Problemas: “cuando me Bloqueo o me Equivoco”

open access: yesREDIMAT, 2017
Ante los indicios de que el uso de una adecuada base orientación contribuye en la adquisición de la competencia de resolución de problemas, con el presente artículo se pretende examinar parte de aquellos indicios que contribuyen a dicha afirmación al ...
Joana Villalonga Pons   +1 more
doaj   +1 more source

STEMtools: una proposta per a planificar el desplegament STEM a l’escola

open access: yesCiències, 2022
El desplegament de STEM als centres educatius s’orienta a l’assoliment d’uns objectius STEM (vocacions, inclusió i gènere, ciutadania) que han de ser formulats en clau educativa.
Anna Albalat   +3 more
doaj   +1 more source

A light‐triggered Time‐Resolved X‐ray Solution Scattering (TR‐XSS) workflow with application to protein conformational dynamics

open access: yesFEBS Open Bio, EarlyView.
Time‐resolved X‐ray solution scattering captures how proteins change shape in real time under near‐native conditions. This article presents a practical workflow for light‐triggered TR‐XSS experiments, from data collection to structural refinement. Using a calcium‐transporting membrane protein as an example, the approach can be broadly applied to study ...
Fatemeh Sabzian‐Molaei   +3 more
wiley   +1 more source

Mathematical Modeling Projects Oriented towards Social Impact as Generators of Learning Opportunities: A Case Study

open access: yesMathematics, 2020
This paper presents a case study carried out at an elementary school that led to a characterization of mathematical modeling projects aimed at generating social impact. It shows their potential as generators of mathematical learning opportunities. In the
Lluís Albarracín, Núria Gorgorió
doaj   +1 more source

Àrea de Ciències Experimentals i Matemàtiques. Biblioteca. Memòria 2001 [PDF]

open access: yes, 2001
Memòria que recull les activitats realitzades a la Biblioteca de la Universitat de Barcelona.
Universitat de Barcelona. Biblioteca
core  

Multimodal Data‐Driven Microstructure Characterization

open access: yesAdvanced Engineering Materials, EarlyView.
A self‐consistent autonomous workflow for EBSP‐based microstructure segmentation by integrating PCA, GMM clustering, and cNMF with information‐theoretic parameter selection, requiring no user input. An optimal ROI size related to characteristic grain size is identified.
Qi Zhang   +4 more
wiley   +1 more source

Dual‐Mode Film Based on Highly Scattering Nanofibers and Upcycled Chips‐Bags for Year‐Round Thermal Management

open access: yesAdvanced Functional Materials, EarlyView.
Intelligent radiative cooling devices, adaptable to various weather conditions, have the potential for year‐round energy savings. This study introduces a sustainable dual‐mode film made from polycaprolactone nanofibers and upcycled chip bags for effective thermal management.
Qimeng Song   +4 more
wiley   +1 more source

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