https://ac.els-cdn.com/S1877042810011274/1-s2.0-S1877042810011274-main.pdf?_tid=7a4de3a2-df58-4059-97dd-eb3318f92300&acdnat=1540339408_3908b0fef7b66c487d5675d584704658

h ‌‌‌‌‍‌‍‌‍‌‌‌‍‌‍‌‍‍‌ ttps://ac.els-cdn.com/S1877042810011274/1-s2.0-S1877042810011274-main.pdf?_tid=7a4de3a2-df58-4059-97dd-eb3318f92300&acd ‌‌‌‌‍‌‍‌‍‌‌‌‍‌‍‌‍‍‌ nat=1540339408_3908b0fef7b66c487d5675d584704658 please summarize the article in the above website and do not use reference.                                                                  

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