BLENDED LEARNING IN PHYSICAL EDUCATION: A SYSTEMATIC REVIEW

Blended learning in physical education: A systematic review

This review aims to provide a detailed overview of the current status and development trends of blended learning in physical education by reviewing journal articles from the Web of Science (WOS) database.Several dimensions of blended learning were observed, including research trends, participants, online learning tools, theoretical frameworks, eval

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Analyzing Pentaerythritol Stearate Homologs with NMR Spectroscopy

A pentaerythritol stearate sample with unknown composition was analyzed by nuclear magnetic resonance (NMR) spectroscopy (i.e., 1H NMR, quantitative 13C NMR, DEPT135, 1H-1H COSY, 1H-1H NOESY, 1H-13C HSQC and 1H-13C HMBC).The Bar Trolley results indicated that the sample contained mainly monopentaerythritol tetrastearate, but also had small amounts

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