Hermann Roloff 
Maschinen elemente [PDF ebook] 
Normung Berechnung Gestaltung

In recent times, polymer nanocomposites have attracted a great deal of scientific interest due to their unique advantages over conventional plastic materials, such as superior strength, modulus, ther …

»Essential reading.» Bernice Lee, Chatham House »Lays out the energy security landscape with a commendable clarity that I have not seen elsewhere. It could help save the world.» Science, People & …

First published in 1990. CRC Press is an imprint of Taylor & Francis. …

Nucleic acids have structurally evolved over billions of years to effectively store and transfer genetic information. In the 1980s, Nadrian Seeman’s idea of constructing a 3D lattice from DNA led to …

When darkness falls, storms rage, fog settles, or lights fail, pilots are forced to make ‘instrument landings, ‘ relying on technology and training to guide them through typically the most dangerous …

This updated edition includes fatigue and sleep definitions as well as strategies for the measurement and assessment of fatigue. The aviation performance, mood, and safety problems associated with sl …

FROM THE PREFACE In the years since the first edition, I have continued to consider ways in which the texts could be improved. In this regard, I researched several topics including how people learn ( …

Designed to give non-engineers an understanding of systems engineering, Systems Engineering Simplified presents a gentle introduction to the subject and its importance in any profession. The book sho …

New features in Auto CAD 2002 are covered in this book, making it a useful refresher course for anyone using Auto CAD at this level, and upgrading to the new software release. The material in the boo …