two vessels from different sites of the iranian plateau, dating to the late 4th or early 3rd millennium bce are presented aspalaeotechnological case studies. in the fractures of the vessels’ walls, interfaces left by added clay parts (enhanced inthe two illustrations) are quite recognizable. it is proposed that in both cases potters, in order to construct the bases, usedto make bowls comparable...

managers in developed countries are increasingly interested in outsourcing as a potential source of competitiveness and value creation. one of the most useful outsourcing activities in service sector is information system/technology outsourcing. this paper is trying to determine the isp managers’ perceived risks and benefits of it/is outsourcing and also the rate of awareness about potential of...

in spite of the technologies developed during the last decade, the level of food loss is still high and is reported in many countries. according to the united nations, more than 30 per cent of the mortality rate world-wide is caused by alimentary diseases. the desire of most countries to make food safer for consumption requires better food preservation and production techniques. in this regard,...

abstract the main objective in this article is to study the issue of development and lasting competitiveness and to study its dimensions and also to acquainted with its related components and how to achieve it. in fact, to get acquainted with competitiveness is as a development that would prevent imposition of cultural, economical, and social and/or environment damages on future generations. in...

objective: helicobacter pylori is a spiral, microaerophilic gram negative bacterium, that multiplies and causes infection in human gastric mucosal layer. h.pylori infection, followed by destruction of gastric epithelial tissue, leads to gastric chronic inflammation, which can cause gastric and peptic ulcers. new approaches have focused on using specific treatments, such as immunotherapy, to era...

teams are defined as high performing task groups whose members are actively interdependent and share common performance objectives. this definition suggests that only those groups who perform at high levels due to their collective efforts must be considered as teams. in this paper, a model has been presented for de-termining the effects of information technology in the output of teamwork with y...