An international research team led by the Helmholtz-Zentrum Hereon has, for the first time, succeeded in visualizing and ...

Objective Electronic nicotine delivery systems (ENDS; including e-cigarettes) are rapidly evolving in the US marketplace. This study reports cross-sectional prevalence and longitudinal pathways of ...

This book is an expanded version of The Applied Dynamics of Ocean Surface Waves. It presents theoretical topics on ocean wave dynamics, including basic principles and applications in coastal and ...

A novel slow wave structure (SWS), called the chevron-shapeddouble-staggeredgrating waveguide structure, is proposed for traveling wave tube (TWT) amplifier for the terahertz (THz) region. The ...

Objective Social isolation is a risk factor for depression in older age. However, little is known regarding whether its impact varies depending on country-specific cultural contexts regarding social ...

This paper reports a scanning electron microscopy investigation of surface acoustic wave propagation in the LiNbO/sub 3/ crystals with regular domain structures. The regular domain structures in the ...