'Direct travel' diaporamas de présentation

Before Travel: Know your Responsibility

274 views • 27 slides

Microphone suppression of air-blast noise on geophones

Microphone suppression of air-blast noise on geophones. Nathan Babcock and Robert R. Stewart Department of Earth and Atmospheric Sciences University of Houston. OUTLINE. What is air-noise? Near surface model Ground-to-air conversion How does air-noise affect a geophone?

197 views • 18 slides

Travelling to Destinations

Travelling to Destinations. Model -Advantages and Disadvantages of train travel. Direct travel to cities. Inflexibility. No driver error/tiredness. Change trains. Use buffet and toilet facilities. Peak tickets are expensive. No congestion at peak times. Low environmental impact.

229 views • 8 slides

121 views • 1 slides