alopecia areata is a dermatologic disorder which presents itself with sudden and patchy hair loss. the aim of this study is to assess the issues related to the similar condition in ancient manuscripts of traditional persian medicine. this is a descriptive review study in which a number of well-known traditional persian manuscripts such as; kamil al-sina’a al-tibbiyyaby al-majusi, ‘ali ibn al-’a...

This investigation reveals the capability of Agave lechuguilla for trivalent and hexavalent chromium removal from aqueous solutions. Experimentation included pH profile, time dependence, adsorption capacity (K(F) and Q(L)), adsorption intensity (n and R(L)) and saturation capacity (q(s)) studies. Batch experiments were conducted at 22( composite function)C to characterize and model the adsorpti...

arabic language spread in different parts ofpersiaafter arabic-islamic expansion in this territory. the iranians were interested in learning arabic, because it was the language of the qoran and islam and its injunctions which were based on monoism and unity of god; and equality and justice this is why one not find a book composed in scientific or historical or religious subjects or on etics dur...

in current century, success of organizations is dependent on the correct management of knowledge and also knowledge management (km) successful implementation relies on its critical success factors (csfs). identifying these critical factors can help businesses in planning and implementing knowledge management. hence, this study aims to propose a conceptual model with the csfs approach in order t...

although russian studies existed in world academies in preceding centuries in different styles, it was only in the second half of the 20th century that major academic centers in europe and the united states paid serious attention to understanding the soviet :union: and its current developments by attracting some emigrant soviet authors and scientists. for these academic centers, recognizing the...