this study compared the types of requesting strategies (rss) employed by thirty three persian native speakers (pnss) students at payame-noor university (pnu) in tehran, thirty seven persian lower-intermediate learners (plls) and thirty seven persian upper-intermediate learners (puls) students at persian center of imam khomeini international university (ikiu) in qazvin in order to study to what ...

for a nite group g the commutativity degree denote by d(g) and de nd: d(g) = jf(x; y)jx; y 2 g; xy = yxgj jgj2 : in [2] authors found commutativity degree for some groups,in this paper we nd commuta- tivity degree for a class of groups that have high nilpontencies.

Wilson's impossibility theorem (Wilson(1972)) about Arrovian social welfare functions (Arrow(1963)) states that there exists a dictator or an inverse−dictator for any non−null social welfare function which satisfies the conditions of unrestricted domain, non−imposition and independence of irrelevant alternatives (IIA). Among these conditions IIA is very strong and controversial. We will show th...

1. Bilateral compression of adrenal glands combined with unilateral nephrectomy and followed by imposition of a high sodium chloride intake caused severe hypertension in all rats, accompanied by enlargement of the heart, kidneys and adrenal glands, atrophy of the thymus and severe nephrosclerosis. 2. Digitoxin treatment delayed the onset, reduced the incidence and ameliorated the magnitude of t...

While many research studies have described Cantonese-Mandarin contact and the languages’ mutual influence in Guangdong Province, few of them delve into the linguistic mechanism that triggers Cantonese’s material (e.g. words, pronunciations, and/or grammar) transfer to Mandarin. This paper will work to explain this mechanism in Van Coetsem’s (1988) framework of “Borrowing and Imposition”. The Ca...

Existing evidence seems to indicate that Muslims in Scotland have constructed hyphenated or hybrid identities that draw on religion, ethnicity and nationality. However, minor attention has been given to the differences in importance, meanings, and strengths of these identities, or the significance of their identity markers. Ethnic minority people can be identified with both their ethnic groups ...