Photovoltaische Energieversorgungsanlagen. Phase 3. Schlussbericht. T. 1 Berichtszeitraum 01.01.1987 bis 31.12.1990

The development-project Photovoltaik Energy Supply Systems, is the third phase of a development of low-cost-solargenerators based on crystalline silicon-solar cells. Based on the results obtained from phase II the installation of an experimental production line was completed. The development keypoints had been the optimization of the production processes and the transfer of laboratory results to production scale with the general goal of cost reduction of solar cell generators. With new additional production processes and optimizations of established processes an average efficiency of 12,5% has been reached. (orig./BWI)Das Vorhaben Photovoltaische Energieversorgungsanlagen stellt die dritte Phase der Entwicklung von kostenguenstigen Solargeneratoren auf der Basis kristalliner Siliciumzellen dar. Aufbauend auf den in der Phase II erreichten Zielen wurde die Solarzellen- und Modulversuchsfertigung fertiggestellt. Wesentliche Entwicklungsschwerpunkte waren dabei die Optimierung der Fertigungsprozesse sowie die Ueberfuehrung von Laborergebnissen in den Fertigungsmassstab mit dem generellen Ziel der Kostenreduktion von terrestrischen Solargeneratoren. Mit neu eingefuehrten Fertigungsschritten und den Optimierungsarbeiten an bestehenden Prozessen wird ein mittlerer Wirkungsgrad von 12,5% erreicht. (orig./BWI)SIGLEAvailable from TIB Hannover: F94B0133+a / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekBundesministerium fuer Forschung und Technologie (BMFT), Bonn (Germany)DEGerman

An integrated encyclopedia of DNA elements in the human genome.

The human genome encodes the blueprint of life, but the function of the vast majority of its nearly three billion bases is unknown. The Encyclopedia of DNA Elements (ENCODE) project has systematically mapped regions of transcription, transcription factor association, chromatin structure and histone modification. These data enabled us to assign biochemical functions for 80% of the genome, in particular outside of the well-studied protein-coding regions. Many discovered candidate regulatory elements are physically associated with one another and with expressed genes, providing new insights into the mechanisms of gene regulation. The newly identified elements also show a statistical correspondence to sequence variants linked to human disease, and can thereby guide interpretation of this variation. Overall, the project provides new insights into the organization and regulation of our genes and genome, and is an expansive resource of functional annotations for biomedical research