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The Evaluation of the Survival Rate and Motility of Freeze-Thawed Mouse Sperm -Frozen in and out of the Epididym. Saki GH, Hashemitabar M, Ghavvamizadeh B, Safikani Z, Bijannejad D, Sobhani A Corresponding Authoŕ s Address: Department of Anatomy, Tehran,University of Medical Science, Tehran, Iran. Email: [email protected] Background & objectives: Direct contact between a sperm cell and cryopr...

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investigation of the electronic properties of carbon and iii-v nanotubes

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1387

سام ازادی, rostam moradian,

boron nitride semiconducting zigzag swcnt, $b_{cb}$$n_{cn}$$c_{1-cb-cn}$, as a potential candidate for making nanoelectronic devices was examined. in contrast to the previous dft calculations, wherein just one boron and nitrogen doping configuration have been considered, here for the average over all possible configurations, density of states (dos) was calculated in terms of boron and nitrogen ...

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