Many factors affect JIT implementation directly or indirectly. Factors such as product quality and lead time directly affect the implementation of JIT. On the other hand, factors such as work environment, working conditions, motivation, flexibility whether manufacturing or organizational affect JIT implementation indirectly, although their impact is no less important than those affecting direct...

In manufacturing, great gains in performance have been realized by a new production philosophy, which leads to "lean production". This new production philosophy is a generalization of such partial approaches as JIT, TQM, time-based competition, and concurrent engineering. In construction, lean production is little known. The concepts, principles and methods of lean production are reviewed, and ...

terrorism is regarded as among the current issues discussed in the international community. it has particularly attracted the attention of people all over the world, both in the east and the west, after the events of september 11, 2001. however, there is no consensus in determining its semantic framework, with each definition admitting to this terms’ relativity. our religion, nevertheless, is a...

the word relation is a new concept that did not used in its today`s meaning one hundred and fifty years ago. in spite of this situation, its substitute concepts like friendliness is used in nahj ul-balāghah many times and each of them express varieties & places in general relation between human and god and other relations. on the whole, we face four relations: human relation with god, himself a...

This paper proposes the application of the Smart Security Concept in the East Mediterranean. Smart Security aims to secure critical infrastructure, such as hydrocarbon platforms, against asymmetrical threats. The concept is based on Anti Asymmetrical Area Denial (A3D) which necessitates limiting freedom of action of maritime terrorists and piracy by founding safe and secure maritime areas throu...

abstract efficiency concept has a long history in the sciences and its measurement and analysis is a vital importance for firms to achieve the best performance. hence, the aim of this paper is efficiency evaluation of mahan air compared to iata member airlines in middle east and africa. for this purpose, the indicators include available ton kilometer, revenue ton kilometer, revenue passenger ki...

The aim of the current study was to investigate the perceived psychic distance of potentialtourists in relation to Iran as a tourism destination. The concept of psychic distance refersto perceived similarities/ differences between specific destination and tourist's homecountry. The members of couch-surfing virtual community participated in this study. Thestatistical data were collected by conve...

Background: Reproduction is an important population concept throughout the world, and demographists consider it among four main life events. Given Iran's population growth policy, this study was conducted to assess the tendency to pregnancy in women in Zanjan. Method: From among health centers in five geographical districts in Zanjan (North, South, East, West, and Center), one was randomly sel...