They have a primary and a secondary containment structure, both made from thick reinforced concrete, to protect against the releaseof radioactive materials.
The human and economic damage from the earthquake and tsunami are terrible, and the apparent releaseof some radioactive materials into the atmosphere compounds the significant sense of unease in global markets.
When a current is applied across the sandwich, the electrons and holes team up at the junction of the two materials and release energy in the form of light.
Conducting polymers are known as intelligent materials with the unique behaviour of trapping an ion into their structure and release the ion by an electric potential.
The process involves pumping water containing small percentages of other materials into the porous shale under pressure to hydraulically fracture it and release the trapped oil and gas.
" SAP (nyse: SAP - news - people ) acknowledged that some inappropriate downloads of fixes and support documents occurred at TomorrowNow, " SAP said in a press releaseof its Texas-based unit, which focuses on customer support and is authorized to download certain materials from Oracle's (nasdaq: ORCL - news - people ) Web site.