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June 2nd, 2007 - ARTIST: RICHARD LAZZARA — LiveJournal
ART GALLERY BOULDER COLORADO USA

shankargallery
Date: 2007-06-02 07:59
Subject: Mitsubishi Electric Achieves World's Highest 18% Conversion Efficiency in Practical Size Polycrystal
Security: Public

Mitsubishi Electric Achieves World's Highest 18% Conversion Efficiency in Practical Size Polycrystalline Silicon Solar Cell

Jun 01, 2007 18:54
Hiroshi Idegawa, Nikkei Monozukuri


Mitsubishi Electric Corp. has announced its achievement of a photoelectric conversion efficiency rate of 18.0% in a 150 mm square practical use polycrystalline silicon solar cell. Assessment was conducted by a public verification agency the National Institute of Advanced Industrial Science and Technology (AIST). This achievement allows 7% more power generation per area, and therefore enables limited installation spaces such as a small roof to secure a sufficient amount of power generation.

Mitsubishi also plans to present this achievement at the "17th International Photovoltaic Science and Engineering Conference" to be held in Fukuoka in December 2007.
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This solar cell has incorporated three proprietary technologies in an effort to increase efficiency. Firstly, reflectivity from the acceptance surface has been reduced through RIE (reactive ion etching) microfabrication using a nano-sized mask material. This resulted in the increased amount of absorbed light. Secondly, the lowering of electrical performance in crystalline has been suppressed through a new electrode material. Thirdly, effective electrical output surface area has been expanded by thinning grid collector electrodes. Through these technologies, Mitsubishi achieved the world's highest conversion efficiency of 18%.
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shankargallery
Date: 2007-06-02 08:13
Subject: Tethyan Himalaya : Eduardo Garzanti
Security: Public

Tethyan Himalaya


Sedimentary evolution and drowning of a passive margin shelf (Giumal Group; Zanskar Tethys Himalaya, India): palaeoenvironmental changes during final break-up of Gondwanaland

Eduardo Garzanti
A complex interplay of tectonic, eustatic and oceanographic processes concurred in the development of â˜drowning unconformitiesâ™ at the top of the Giumal clastic shelf. Rapid deepening and waning of both volcanic and quartzo-feldspathic terrigenous detritus are mainly ascribed to the global mid-Cretaceous sea-level rise and to rapid thermo-tectonic subsidence at the end of the short-lived Albian magmatic event, possibly related to a mantle plume rising beneath northern India. Intensification of the east-bound oceanic current off the north margin of India after the final break-up of Gondwanaland was responsible for continuous resuspension and minimal accumulation rates around the shelf-break.
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A complex interplay of tectonic, eustatic and oceanographic processes concurred in the development of â˜drowning unconformitiesâ™ at the top of the Giumal clastic shelf. Rapid deepening and waning of both volcanic and quartzo-feldspathic terrigenous detritus are mainly ascribed to the global mid-Cretaceous sea-level rise and to rapid thermo-tectonic subsidence at the end of the short-lived Albian magmatic event, possibly related to a mantle plume rising beneath northern India. Intensification of the east-bound oceanic current off the north margin of India after the final break-up of Gondwanaland was responsible for continuous resuspension and minimal accumulation rates around the shelf-break. The associated coastal upwelling favoured impingement of the oxygen-minimum zone on the outer shelf, with glauco-phosphorite deposition coinciding in time with peak global transgressions and â˜anoxic eventsâ™ in the world oceans.
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shankargallery
Date: 2007-06-02 08:36
Subject: NEWSgrist : Joy Garnett
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Dubrovnik
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This is a Flickr badge showing photos in a set called iCommons Summit Dubrovnik 2007: Artists in Residence. Make your own badge here.


Themarket_husman
clipped from icommons.org
The thinker, by notanyron, CC BY-NC-SA 2.0
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