Background & Aims: Odontogenic cysts are derived from odontogenic epithelium and lined by odontogenic epithelium .All three odontogenic cysts (Dentigerous cyst,Odontogenic keratocyst cyst and Radicular cyst)can develop tumoral transformation .The least tumoral transformation rate is related to OKC.Epithelial cell proliferation rate is important in the prognosis .The best marker is HER2/neu. Mat...

employees always concern about losing their job , or in other word , losing their income resources. for this purpose, every government requires strong system for covering these concerns. the unemployment insurance (ui) program’s can be used for achieving this goal. in this thesis, we price ui based on the insurance history of employee and the duration of being unemployed. we use the weibull dis...

the study of air infiltration into the buildings is important from several perspectives that may be noted to energy and design of hvac systems, indoor air quality and thermal comfort and design of smoke control systems. given the importance of this issue, an experimental and numerical study of air infiltration through conventional doors and windows has been explored in iran. to this end, at fir...

Nowadays, genetic engineering methods are able to reduce the time of breeding programs for improvement of fruit trees, as well as offering a focused breeding system. The purpose of the present investigation was to study the factors that affect Agrobacterium tumefacience mediated transformation of two pear cultivars: Bartlett and Harrow Delight. Two explants (leaves and axillary shoot meristems)...