Slide 1 1 Slide 2 A pure commercially available silicon containing impurity atoms with concentration of the less the 10 18 per m 3 and electrical resistance of 2500 ohms/meter…
SUSTAINABLE 5/23/2013 Reichstag building The Bundestag, Berlin, Germany The transformation of the Reichstag is rooted in four related issues: the Bundestag's significance…
OR NL/TM -5682 Survey of Technology for Storage of Thermal Energy in Heat Transfer Salt M. D. Silverman J . R. Engel . Printed in the United States of America. Available…
OR NL/TM -5682 Survey of Technology for Storage of Thermal Energy in Heat Transfer Salt M. D. Silverman J . R. Engel . Printed in the United States of America. Available…
SHALLOW GEOTHERMAL ENERGY Burkhard Sanner Justus-Liebig University, Giessen, Germany The underground in the first approx. 100 m is well suited for supply and storage of thermal…