The Eiffel Tower (/ËaÉªfÉl ËtaÊÉr/ EYE-fÉl TOWR; French: Tour Eiffel, pronounced: [tuÊâ¿ÉfÉl] listen) is a wrought iron lattice tower on the Champ de Mars in Paris, France. It is named after the engineer Gustave Eiffel, whose company designed and built the tower.
A remote sensing technique that monitors the electrical resistance of soils in a restricted volume near the surface of an archaeological site; buried walls or features can be detected by changes in the amount of resistance registered by the resistivity meter.
Enzyme activity measurements can thus be an. indirect assessment of the activity of a specific. group of microorganisms in the soil (Hofrichter. 2002, Baldrian 2008a). Due to the effects of external disturbance on. their activity, enzymes can serve as sensitive indi-. cators of soil quality (Dick 1994, Dick et al.