Författare: Frederick L. Hope

Polyurethanes are commonly prepared from polyols, diisocyanates and chain extenders. The polyols are polyesters, polyethers or polycarbonates, while the chain extenders are low molecular weight diols …

This book presents and discusses current data on the topics of overweightness and walking. Angular momentum as a metric of human walking is discussed as well as the influence of visual, somatosensory …