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Date: 3-1-2017
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Date: 4-7-2017
1718
Date: 9-7-2020
1070
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Carbon nanotubes
Carbon nanotubes were discovered in 1991 and consist of elongated cages, best thought of as rolled graphite-like sheets, i.e. in contrast to the fullerenes, nanotubes consist of networks of fused 6-membered rings. Nanotubes are very flexible and have great potential in materials science. As a result, research in this area is a ‘hot topic’ but is beyond the scope of this book; the end-of-chapter reading list provides an entry into the area.
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دراسة تحدد أفضل 4 وجبات صحية.. وأخطرها
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العتبة العباسية تستعدّ لتكريم عددٍ من الطالبات المرتديات للعباءة الزينبية في جامعات كركوك
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