abstract sensitive and precise voltammetric methods for the determination of trace amounts of furaldehydes, mainly as furfural (f) and 5-hydroxymethyl-2-furaldehyde (hmf), in waste waters and other matrices is described. determination of total furaldehyde at < ?g g-1 levels in alkaline buffered aqueous media was individually investigated. by the use of ordinary swv and adsorptive square wave ...

Abstract Airlines brands are getting new identities in the electronic age. Because of growing new technologies like internet, there will be new strategic opportunities for airline companies to position their brand. On the other hand, Religious Tourism's Industry has a sustainable market in Iran, because of cultural issues. A lot of passengers prefer to do their religious travels with an airlin...

Introduction:Universities and educational institutes provide a great variety of e-learning programs to accommodate the increasing demands for higher education. However, some specialists believe that many of these courses fail to meet the required standards of e-learning, thus cannot achieve the goals of implemented programs. Therefore, regular quality assessment of e-learning programs should be...

Introduction: One of the most important and challenging areas under the influence of information technology is the field of health. This pervasive influence has led to the development of electronic health (e-health) networks with a variety of services of different qualities. The issue of security management, maintaining confidentiality and data integrity, and exchanging it in a secure environme...