2013
DOI: 10.1515/atd-2015-0027
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Analysis Evaluating the Results from the Research of Textbooks’ Didactic Efficiency in Technical Education

Abstract: Racemform von V aus; Einengen der Mutterlauge ließ noch weiteres inaktives V ausfallen; aus der Mutterlauge fiel nach starkem Einengen und auf Zugabe von Petroläther stark aktiviertes Material aus. Von ca. 50proz. Aktivierung an lieferte erneutes Umkristallisieren aus Benzol audi ein optisch aktives Erstkristallisat: es wurde in weitere Fraktionierungen eingesetzt. Das in Benzol sehr viel besser lösliche Mutterlaugen-Kristallisat wurde nunmehr aus Petroläther (Siedebereich 60 bis 70°) analog konsequent weiter … Show more

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(2 citation statements)
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“…For the qualitative data, based on a descriptive research design, textbook analyses (Bajtoš & Kmecová, 2013), as documentary analysis, were conducted. As for the inductive content analysis, both globally and locally EFL textbooks were examined.…”
Section: Methodsmentioning
confidence: 99%
“…For the qualitative data, based on a descriptive research design, textbook analyses (Bajtoš & Kmecová, 2013), as documentary analysis, were conducted. As for the inductive content analysis, both globally and locally EFL textbooks were examined.…”
Section: Methodsmentioning
confidence: 99%
“…A teacher, as an important factor in the educational process, may significantly contribute to the quality of education and its efficiency improvement by introducing new teaching aids, teaching methods, modern technologies etc. into the teaching process (Bajtoš & Kmecová, 2013, Dobrovská & Andres, 2016. Khairutdinova, Selivanova and Abildina (2016) performed a research using an educational experiment.…”
Section: Introductionmentioning
confidence: 99%