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Date: 17-1-2018
1597
Date: 1-1-2017
1524
Date: 5-3-2019
1572
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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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كل ما تود معرفته عن أهم فيتامين لسلامة الدماغ والأعصاب
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ماذا سيحصل للأرض إذا تغير شكل نواتها؟
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أنشطة قرآنية متواصلة يقيمها المجمع العلمي في محافظة النجف الأشرف
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