Results 41 to 50 of about 190,848 (271)
Alloy Solutions for Ammonia Cracking: A Review
Materials and Corrosion, EarlyView.This work provides a literature overview of the nitriding and degradation of structural materials under ammonia cracking conditions and explains the known mechanisms and the gaps, where research is required. ABSTRACT Hydrogen is a key factor in energy storage and transportation, which will inevitably lead to a substantial increase in demand.
Mathias Christian Galetz +3 more
wiley +1 more source
Beiträge zur Lehrerinnen- und Lehrerbildung, 1990 Manche Lehrer benutzen Computer im Unterricht, andere nicht. Gemeint ist hier in diesem Beitrag der Unterricht in allen Fächern mit Ausnahme des Faches Informatik.
Karl Frey +2 more
doaj +1 more source
A new species of Sarcophaga (Pandelleisca) (Diptera, Sarcophagidae) from Turkey [PDF]
ZooKeys, 2020 A new species, Sarcophaga (Pandelleisca) mersinensis sp. nov. is described from the Mediterranean region of Turkey. The male terminalia are documented with line drawings, photographs and scanning electron microscope images.
Gamze Pekbey
doaj +3 more sources
How digitisation of herbaria reveals the botanical legacy of the First World War
PLANTS, PEOPLE, PLANET, EarlyView.Digitisation of herbarium collections is bringing greater understanding to bear on the complexity of narratives relating to the First World War and its aftermath – scientific and societal. Plant collecting during the First World War was more widespread than previously understood, contributed to the psychological well‐being of those involved and ...
Christopher Kreuzer, James A. Wearn
wiley +1 more source
Science Education, EarlyView.ABSTRACT Students' diverse levels of knowledge and competence—shaped by individual interests and educational debts, including structural, systemic, and institutional barriers—create substantial cognitive heterogeneity in instructional settings. Adequately addressing this heterogeneity is challenging.
Paul P. Martin +4 more
wiley +1 more source
Forum: Qualitative Social Research, 2019 Wie wissenschaftliches Wissen und schulpraktisches Können mit Blick auf (späteres) professionelles Lehrer*innenhandeln besser miteinander verschränkt werden können, ist eine zentrale Frage der Lehrer*innenbildung, die im Zuge der Modularisierung der ...
Michaela Artmann
doaj +1 more source
Which Knowledge Do Pre‐Service Teachers Need to Meaningfully Engage in Modeling?
Journal of Research in Science Teaching, EarlyView.ABSTRACT Modeling involves a set of scientific practices that pre‐service science teachers struggle with. These practices involve constructing, predicting, testing, and revising models. Engaging meaningfully in modeling practices leads modelers to gain new insights about phenomena.
Paul Engelschalt +4 more
wiley +1 more source
SCENARIO: Journal for Performative Teaching, Learning, Research, 2011 Bühnenpräsenz, guter Stimmansatz und Begeisterung fürs Spielen: Können Lehrende diese Kompetenzen von Kabarettisten erlernen? Gerlinde Kempendorff-Hoene, selbst Lehrerin und Bühnenkünstlerin, sagt „Ja!“.
Günther, Christiane
doaj +1 more source
Piezoelectric linear actuator [PDF]
, 1969 Actuator exerts linear force that is controllable and reproducible to microinch tolerance. It is constructed for extremely accurate control of a valve but can also be used as a variable venturi meter, micropositioner, microthruster, and in fluidics and ...
Lehrer, S.
core +1 more source
Thunderbird International Business Review, EarlyView.ABSTRACT This study examines how Intermediate Units (IUs) in multinational corporations gain the attention of corporate headquarters and subsidiaries. Using the Attention‐Based View, we show that attention depends on how visible and useful the IU's knowledge appears to other internal actors.
Jose Pla‐Barber +2 more
wiley +1 more source