Journal of Research in Medical Sciences | May 2014 | 385 Observation of constant increase of self-citation rate by Iranian scholars in all fi elds shows that self-citation plays an important role in scientifi c communication even in the fi eld of medicine. Base on Ghane’s study[8] the rate of journal self-citation among Iranian medical journals is about 61.5% and with reared to the Iranian auth...

In this paper first of all we introduce Property $U$-($G$-$PWP$) of acts, which is an extension of Condition $(G$-$PWP)$ and give some general properties. Then we give a characterization of monoids when this property of acts implies some others. Also we show that the strong (faithfulness, $P$-cyclicity) and ($P$-)regularity of acts imply the property $U$-($G$-$PWP$). Finally, we give a necessar...

The study investigates the materials of Russian ambassade S. Islen’ev and M. Griazev to court Qizilbash shah Safī, stored in funds State Archive Ancient Acts. archival file is a set documents reflecting process exchange embassies between Tsardom Safavid Empire 1635–1637. aim embassy I. K. was discuss some topical issues bilateral relations such as duties, restitution cases, purchase Iranian nit...

Social workers are considered a professional group at high risk of burnout. Noticing the insufficient human resource management and understaffed social work centers, Iranian social workers are faced with a considerable level of physical and mental stress, which can lead to burnout. A national study on 390 social workers was conducted. Among social workers, 10.9% had experienced burnout and 17.4...

The purpose of this study was to compare apology strategies used by Iranian EFL learner students and native English speaking students (NSS) in formal and informal situations. The aim was further to investigate gender differentiation among participants. For this purpose, data were elicited from 40 Iranian (16 males and 24 females) and 40 native English speaking students (20 males and 20 females)...

In this work, the volatile profiles of smoked and non-smoked Iranian rice were identified, and their relative abundance was calculated and compared. Headspace solid-phase microextraction together with gas chromatography-mass spectrometry (SPME-GC-MS) were used to extract and identify the volatile compounds. The main groups of volatiles in Iranian rice were aldehydes, ketones, phenol derivatives...

valdis laan in [5] introduced an extension of strong flatness which is called weak pullback flatness. in this paper we introduce a new property of acts over monoids, called u-wpf which is an extension of weak pullback flatness and give a classification of monoids by this property of their acts and also a classification of monoids when this property of acts implies others. we also show that regu...