Yang added that there has been intense world-wide interest in so-called polymer solar cells.

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Sun Yang also added to China's growing gold tally with a win in the men's 1500-meter freestyle.

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His backcourt mate Peyton Siva, the yin to Smith's yang, added 16 points of his own and keyed the sequence that all but punched Louisville's ticket to its second straight national semifinal.

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"These valuable qualities will help build the foundation needed to make Hyundai and Kia leading global top automakers, " added Mr Yang.

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