Results 21 to 30 of about 1,392 (175)
Science Education, EarlyView.ABSTRACT To participate effectively in modern society, it is essential to have both knowledge of scientific concepts and an understanding of scientific practices. Children develop initial knowledge and skills to engage in scientific practices, such as identifying patterns, long before entering school.
Ada Cecil Haen +4 more
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Reduktive Alkylierungen von Acenaphthylen und Synthese von Acephenanthrylen
CHIMIA, 1985 The as yet unknown reductive alkylation of acenaphthylene with 1,n-dihalogenoalkanes is investigated. The techniques applied are the direct spectroscopic characterization of the ionic intermediates and the systematic variation of those reaction ...
Gerd Neumann, Klaus Müllen
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Journal of Research in Science Teaching, EarlyView.ABSTRACT Science teachers' ability to accurately judge students' knowledge and skills is essential for successful teaching and, thus, highly relevant to science teacher education. Findings from studies focusing on language and mathematics have shown that (pre‐service) teachers' judgment accuracy is not only subject‐specific but may also vary across ...
Johannes Poser +4 more
wiley +1 more source
Einfache Herstellung von 5-Trifluormethylthio-2′-desoxyuridin
CHIMIA, 1989 5-Trifluoromethylthio-2′-deoxy-uridine has been synthesized by silylation of the 5-trifluoromethylthio-uracil and reaction with a protected 2-deoxy-β-D-ribofuranosyl chloride.
Alois Haas, Max Lieb, Bernd Steffens
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The Not‐So‐Neue Frau: Weimar Berlin's Modern Women and Generational Identity After 1945
Gender &History, EarlyView.ABSTRACT This article studies the post‐1945 literary careers of Gabriele Tergit and Ilse Langner, two ageing German writers. Both had enjoyed promising careers as young women in Weimar Berlin, but Nazism and war disrupted their professional trajectories in varying ways. After 1945, they tried and failed to recapture their Weimar‐era success, eventually
Katharina Friege
wiley +1 more source
1,3,5,7-Tetrathia-s-indacene-2,6-dithione as Potential Building Block for « Polyfulvalenes»
CHIMIA, 1986 The synthesis of the hitherto unknown title compound [also called «1,2:4,5- benzobis(1,3-dithiole-2-thione)»] (3a) and its «3,6»-diiosopropyl derivative 3b is reported. The dithione 3a can be doubly protonated to yield a dication.
Peter Wolf +2 more
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Survey: Competition in Higher Education
Journal of Economic Surveys, EarlyView.ABSTRACT This paper provides a bibliometric mapping and economic interpretation of the literature on competition in higher education. Drawing on 1470 Scopus‐indexed articles (1961–2023), we combine descriptive bibliometrics, a keyword co‐occurrence network, and a multiple correspondence analysis (MCA) of harmonized author‐assigned keywords with a ...
Amjad Aun
wiley +1 more source
Stereoselektive Synthesewege zu (+)-Biotin aus L-Cystein
CHIMIA, 1987 A novel synthesis of (+)-biotin (vitamin H) via a pathway which avoids separation of enantiomers is described. Starting with L-cysteine, the key intermediate 7 is synthesized in four steps without racemization.
Eike Poetsch, Michael Casutt
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Insider/Outsider/Transsiders of Transnational Migration
Studies in Ethnicity and Nationalism, EarlyView.ABSTRACT Migration is individually and collectively a challenging but also a transformative praxis and process. In my proposal, I present these in the context of transnational migration of two multigenerational families whose pioneers originally migrated from Turkey to Germany.
Halil Can
wiley +1 more source
Bonn Stuttering Therapy - intensive inpatient interval therapy in Germany for adolescents and adults
Listy klinicke logopedie, 2021 Bonn Stuttering Therapy is stationary interval therapy for adolescents and adults. In addition to reducing the subsequent psychosocial problems by learning modification and fluency shaping techniques, this combination approach also includes comprehensive
Thilo Müller +2 more
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