Dujiangyan Irrigation System — For the adjacent city, see Dujiangyan City. Mount Qingcheng and the Dujiangyan Irrigation System * UNESCO World Heritage Site … Wikipedia
Debris flow — Scars formed by debris flow in great Los Angeles during the winter of 1968 1969. The photograph was taken within several months of the debris flows occurring. A debris flow is a fast moving, liquefied landslide of unconsolidated, saturated debris … Wikipedia
steel — steellike, adj. /steel/, n. 1. any of various modified forms of iron, artificially produced, having a carbon content less than that of pig iron and more than that of wrought iron, and having qualities of hardness, elasticity, and strength varying … Universalium
Areva EPR — Fotomontage des im Bau befindlichen EPR (links im Bild) im Kernkraftwerk Olkiluoto Der EPR ist der größte Kernkraftwerkstyp des französischen Nuklearkonzerns Areva. Früher als European Pressurized Water Reactor vermarktet, ist die Abkürzung EPR… … Deutsch Wikipedia
Shaped charge — Sectioned high explosive anti tank round with the inner shaped charge visible … Wikipedia
Trace heating — Electric Trace Heating, also known as Electric Heat Tracing and Electric Surface Heating, is a system used to maintain or raise the temperature of pipes and vessels. Trace heating takes the form of a electrical like heating element run in… … Wikipedia
Desoldering — Solders can be removed using a vacuum plunger (on the right) and a soldering iron. In electronics, desoldering is the removal of solder and components from a circuit for troubleshooting, for repair purposes, component replacement, and to salvage… … Wikipedia
Glaciogenic Reservoir Analogue Studies Project — The Glaciogenic Reservoir Analogue Studies Project (GRASP} is a research group studying the subglacial to proglacial record of Pleistocene glacial events. It is based in the Delft University of Technology.Introduction to glaciogenic… … Wikipedia
Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… … Universalium
hydrologic sciences — Introduction the fields of study concerned with the waters of the Earth. Included are the sciences of hydrology, oceanography, limnology, and glaciology. In its widest sense hydrology encompasses the study of the occurrence, the… … Universalium
Antarctica — /ant ahrk ti keuh, ahr ti /, n. the continent surrounding the South Pole: almost entirely covered by an ice sheet. ab. 5,000,000 sq. mi. (12,950,000 sq. km). Also called Antarctic Continent. * * * Antarctica Introduction Antarctica Background:… … Universalium