The present invention relates to an isolated novel virus causing Severe Acute Respiratory Syndrome (SARS) in humans ("hSARS virus"). The hSARS virus is identified to be morphologically and phylogenetically similar to known member of Coronaviridae. The present invention provides the complet.....
[Detail]
Aldehydes were obtained in excellent yields from ruthenium-porphyrin-catalyzed oxidation of various terminal alkenes with 2,6-dichloropyridine N-oxide under mild conditions. The aldehydes generated from these ruthenium-catalyzed alkene oxidation reactions can be used in-situ for olefination reaction.....
[Detail]
A Handy Information Display System Is Disclosed. The System Has Three Main Components: A Light Emitting Diodes (Led) Array Display Board, An Information Server And A Portable Unit. The Led Array Display Board Includes A Plurality Of Light Emitting Diodes And Photodetectors. It Can Be Used To Display.....
[Detail]
A family of power converters has input ac voltage regulation instead of output dc voltage regulation. The bi-directional converters control power flows and maintain the input ac voltage at or close to a certain reference value. These bi-directional power converters handle both active and reactive po.....
[Detail]
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