Results 91 to 100 of about 2,501,315 (276)

A quantitative analysis of grid-related systematic errors in oxidising capacity and ozone production rates in chemistry transport models [PDF]

, 2004
J. G. Esler, G. J. Roelofs, Marcus O. Köhler, Fiona M. O’Connor   +3 more
openalex   +2 more sources

Gamifying Teacher Education with FantasyClass: Effects on Attitudes towards Physics and Chemistry among Preservice Primary Teachers

Education Sciences
This study investigates the impact of structural gamification, using the digital platform FantasyClass, on the attitudes and motivation of preservice primary education teachers towards physics and chemistry.
Gregorio Jiménez-Valverde, Carlos Heras-Paniagua, Noëlle Fabre-Mitjans, Genina Calafell-Subirà   +3 more
doaj   +1 more source

From Gatekeeping to Engagement: A Multicontextual, Mixed Method Study of Student Academic Engagement in Introductory STEM Courses. [PDF]

, 2012
The lack of academic engagement in introductory science courses is considered by some to be a primary reason why students switch out of science majors. This study employed a sequential, explanatory mixed methods approach to provide a richer understanding
Chang, Mitchell J, Eagan, M Kevin, Garcia, Gina A, Gasiewski, Josephine A, Hurtado, Sylvia   +4 more
core   +1 more source

Comparação entre métodos de quantificação em cromatografia gasosa: um experimento para cursos de química Comparison of quantification methods in gas chromatography: an experiment for chemistry courses

Química Nova, 2009
This article describes an experiment designed to teach quantitative determination in gas chromatography (GC) in Organic and Analytical Chemistry practical classes. The experiment consisted of extracting and analyzing eugenol from clove seeds to perform a
Carolina Bastos Pereira Ligiero, Lindomar Augusto dos Reis, Gabrieli Lessa Parrilha, Milton Baptista Filho, Maria Cristina Canela   +4 more
doaj   +1 more source

Old School Catalog 1924-25, The School of Pharmacy [PDF]

, 1924
https://scholar.valpo.edu/oldschoolcatalogs/1001/thumbnail ...
Valparaiso University
core   +1 more source

Influence of the sebaceous gland density on the stratum corneum lipidome [PDF]

, 2018
The skin surface lipids (SSL) result from the blending of sebaceous and epidermal lipids, which derive from the sebaceous gland (SG) secretion and the permeability barrier of the stratum corneum (SC), respectively.
Camera, Emanuela, Kozul, Nina, Ludovici, Matteo, Materazzi, Stefano, Picardo, Mauro, Risoluti, Roberta   +5 more
core   +1 more source

Assessing chemistry teachers’ entrepreneurial competencies for developing small chemical-based businesses in Rwanda

Discover Education
Unemployment among science graduates in Rwanda remains a pressing challenge due to limited industrial opportunities and insufficient market demand for scientific skills.
Aloys Iyamuremye, Jeannette Musengimana, Ezechiel Nsabayezu, Benoit Rugabirwa, Veneranda Kayirangwa, Francois Niyongabo Niyonzima   +5 more
doaj   +1 more source

Non-formal chemistry learning: a scoping review

Chemistry Teacher International
Non-Formal learning environments are crucial in science education, yet chemistry remains an underrepresented discipline. This scoping review examines non-formal chemistry learning literature from the past decade.
D’Alton Megan J., Thomson Patrick I. T., Scott Fraser J.   +2 more
doaj   +1 more source

The EcoScale as a framework for undergraduate green chemistry teaching and assessment

Green Chemistry Letters and Reviews, 2018
An upper-year undergraduate practical examination is presented that utilizes the EcoScale (a semi-quantitative tool) and several established mass metrics to assess student understanding of green chemistry principles.
Andrew P. Dicks, Andrei Hent, Katherine J. Koroluk   +2 more
doaj   +1 more source

Photoinduced Coupling of Acetylenes and Quinone in the Solid State as Preorganized Donor−Acceptor Pairs [PDF]

, 1998
Crystalline electron donor−acceptor (EDA) complexes of various diarylacetylenes (DA) and dichlorobenzoquinone (DB) are isolated and structurally characterized by X-ray crystallography.
Bosch, E., Hubig, S. M., Kochi, Jay K., Lindeman, Sergey V.   +3 more
core   +1 more source