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Dive into the research topics where Arash Darafsheh is active.

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Featured researches published by Arash Darafsheh.


ieee nuclear science symposium | 2007

Monte Carlo modeling of a triple photon energy absorptiometry technique

Arash Darafsheh; Alireza Kamali-Asl; Seyed Mahmoud Reza Aghamiri

Monte Carlo simulation has been conducted to explore the possibilities of triple photon energy absorptiometry (TPA) in the measurement of bone mineral content. The purpose of this technique is to correct the measured bone mineral density for fat and soft tissues. The same simulations have been done for a dual photon energy absorptiometry (DPA) system and an extended DPA system. The simulation results showed that the TPA system has not enough accuracy to be considered as an adequate method for measurement of bone mineral density.


Acta Chimica Slovenica | 2005

Group Theory for Tetramethylethylene, II

Mohammad Reza Darafsheh; Ali Reza Ashrafi; Arash Darafsheh


Journal of Environmental Radioactivity | 2006

226Ra concentration in the teeth of habitants of areas with high level of natural radioactivity in Ramsar

S. Mahmoud Reza Aghamiri; Zahra Ghorbani; Arash Darafsheh; Hasan Torabzadeh; Ali Asghar Fathivand; Abdulhamid Minuchehr; Alireza Jalinoos


Chemical Physics Letters | 2006

The full non-rigid group of hexamethylbenzene using wreath product

Mohammad Reza Darafsheh; Ali Reza Ashrafi; Arash Darafsheh


International Journal of Quantum Chemistry | 2007

Nonrigid group theory for 1,3,5-trimethylbenzene

Mohammad Reza Darafsheh; Arash Darafsheh; Ali Reza Ashrafi


International Journal of Quantum Chemistry | 2005

Computing the full nonrigid group of tetra-tert-butyltetrahedrane using wreath product

Mohammad Reza Darafsheh; Ali Reza Ashrafi; Arash Darafsheh


International Journal of Quantum Chemistry | 2008

The symmetry group of nonrigid tetramethylsilane

Mohammad Reza Darafsheh; Ali Reza Ashrafi; Arash Darafsheh


Archive | 2006

Computation of the character table for pXylene

Mohammad Reza Darafsheh; Arash Darafsheh


publisher | None

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author


International Journal of Quantum Chemistry | 2008

Erratum: The symmetry group of nonrigid tetramethylsilane

Mohammad Reza Darafsheh; Ali Reza Ashrafi; Arash Darafsheh

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K. Balasubramanian

California State University

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