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The benefits of my invention are prevention or alleviation of pain in all areas the vest treats. The vest will cover areas from the back, side areas, shoulder region, chest area, and lower neck. THE VEST DOES NOT COVER THE ABDOMINAL AREA SO THERE IS NO DISCOMFORT WHILE SITTING OR USING A COMPUTER. ..... [更多]
simple software product [更多]
A semiconductor optical amplifier for amplifying an optical signal. The amplifier comprises an input for receiving the optical signal and an output for outputting an amplified version of the optical signal. A semiconductor active medium is provided for defining an amplification path extending betwee..... [更多]
The invention relates to a method for indexing and retrieving multimedia data. In particular the invention provides a method of comparing at least two sets of multimedia data using shape information in order to provides a dissimilarity measure between the sets. The invention finds use in retrieving ..... [更多]
The invention provides a ferrite catalyst for synthesis of styrene, comprising potassium ferrite at the level of 80-99.97% and additives selected from the group comprising MgO, Al2O3, TiO2, Cr2O3, MnO2, CuO, ZrO2, CeO2, individually or as a mixture, at the level of 0,03-20% by weight. The catalyst c..... [更多]
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