the treatment of in completely formed pulpless teeth has presented considrable problems. these teeth have wide open apexes and the walls of the root canal diverge toward the apical tissues. mechanical preparation cannot be done in the normal manner beacause of the large initial size and the taper of apical part of the canal , a mechanical stop cannot be produced at the apex of the canal and , t...

This study sought to evaluate the effect of changes in the composition of interregional intermediate exports and total volume of intermediate exports on the sectoral output of Golestan province and other regions using two-regional input-output model. For this purpose, at first, two-regional input- output tables for each of these region (Golestan province and other regions of country) were prepa...

now-a-days graphic design plays a major role in influencing culture, society, business, and customers, in such a way that one could look upon every individual as a potential customer. graphic designers seek to identify customers needs and find an intelligent solution for them. correct identification and understanding of those needs is the first step towards achieving ones goals. marketing knowh...

Recently, virtual water trade has been introduced as a tool to solve the water scarcity of dry regions. The concept holds that water-rich countries and regions should produce and export water-intensive commodities to water-scarce countries and regions. In this study, the status of domestic and international virtual water trade was studied to assess water management in Iran in 2006 (which was co...

Export is one of the main variables of production and national income. Export performance is also one of the other main ways to generate revenue and to use investmentchr('39')s capacities. The aim of this study is to explain the role of entrepreneurial performance and export marketing capabilities on export performance with the moderating role of inefficient competition. This research is purpos...

Today, the speed of change in the areas of technology, software and hardware, market knowledge and even the political economy of countries on the one hand and as well as the initiative with the speed of action in business areas has made companies face the challenge, it has become the era of competition today, which contributes to the extent to which a company achieves its own goals based on exp...