this paper reports the results of an experimental study on non-native production of english vowels. two groups of persian efl learners varying in language proficiency were tested on their ability to produce the nine plain vowels of american english. vowel production accuracy was assessed by means of acoustic measurements. ladefoged and maddison’s (1996) f1 f2 measurements for american english v...

The volatile environment is nothing new, but in the last two years, when world had to cope with a pandemic, it was agile companies that were able survive or even make profit. More than ever, business done through projects and practices used difference between being fast follower. present work analyzes presence of context merger acquisition European Chinese company Europe. For assessment volatil...

Abstract Romyar Sharifi has constructed a map $\varpi _M$ from the first homology of modular curve $X_1(M)$ to K -group $K_2(\operatorname {\mathrm {\mathbf {Z}}}[\zeta _M+\zeta _M^{-1}, \frac {1}{M}]) \otimes \operatorname {Z}}}[1/2]$ , where $\zeta is primitive M th root unity. conjectured that annihilated by certain Eisenstein ideal. Fukaya and Kato proved this conjecture after tensoring wit...

The purpose of this research is to examine the relationship between information technology capability and organizational agility on banking sector, which needs adapt environmental changes in fastest way. descriptive method was adopted research. population all sector employees. A total 170 employees participated Within scope research, Organizational Agility Scale developed by Sharifi Zhang (1999...

the problem of finding the minimum cost multi-commodity flow in an undirected and completenetwork is studied when the link costs are piecewise linear and convex. the arc-path model and overflowmodel are presented to formulate the problem. the results suggest that the new overflow model outperformsthe classical arc-path model for this problem. the classical revised simplex, frank and wolf and a ...

A Comparison in Reading Ability and Achievement between Mono-Lingual and Bilingual Fifth Graders Y. Adib, Ph.D. Z. Sharifi N. Mahmoodi To  compare both the reading ability and academic achievement among Farsi speaking mono-lingual fifth graders and their bilingual Aazari and Kordi counterparts, three samples of 153, 132, and 145 (total 430) such students from three cities o...

nowadays, the concept of sustainable development has found a global application and attracted many parts andbasis of any community. among many factors affecting sustainable developments, educational system is remarkably effective in many ways. the effectiveness of the system is also a function of various factors and components. the managers and their management are one of the components playing...