abstract reduced inequality in utilization of community resources and facilities is one of the essential standards of sustainable development. in this regard, regional and local inequalities are of special importance. this paper emphasizes district differences in meybod city level in addition to specifying the position of meybod city among our country. it was done using a descriptive-analytic m...

Within the realm of medicinal chemistry, synthesis plays a pivotal role in any drug research and development endeavor. The ability to design elegant and economical synthetic routes is often a major factor for making a drug a commercial winner. Retrosynthetic analysis/ Synthon disconnection approach, introduced and advanced by Prof. E. J. Corey of Harvard University has served as a powerful driv...

This article is devoted to economical aspects of Human Computation (HC) and to perspectives of HC in economics. As of economical aspects of HC, it is first observed that much of what makes HC systems effective is economical in nature suggesting that complexity being reconsidered as a “HC complexity” and the conception of efficient HC systems as a “HC economics”. This article also points to the ...

Sustainable production as a global word, content important elements on all the fields as well as machining processes. Machining can be performed either on conventional or nowadays modern CNC way. Novel machining processes are based on CNC programmable technologies containing elements as CAD, CAM, etc. To define sustainable production as the creation of goods, using processes and systems, we hav...

generally, studied villages as regard to the socioeconomic structure have not considerable development in comparison with their around structure due to functional area.  nowadays, regarding rural development, proceeding with economical analysis of geographical areas has a great position. considering the applied investigations, upon increasing the knowledge and literacy and scientific and practi...

Growth and development are the permanent goals of various societies. But, there is a question: How can we access to development? After World War II, the improvements of social and economic situation were followed as a major goal. Therefore, the developed countries find the way of development and innovation in economical development, equality and social justice. According to this viewpoint, deve...

Purpose – To overview and discuss the technical, economical, legal, and social reasons why public key infrastructures (PKIs) have failed so far, summarizing the lessons learned, and giving expectations about the future development of the field. Design/methodology/approach – A detailed analysis of the developments in the PKI field, pointing out the achievements so far and the issues that still r...