shiftwork is now a major feature of working life across a broad range of industries and circadian rhythms play an important role in shiftwork tolerance. so, the aim of this study was examine the relationships between age, morning-type and rigidity sleeping habits with shiftwork tolerance among shiftworkers of karun oil and gas exploitation company. the sample consisted of 295 shiftworkers of ah...

background: there are only a very small number of reports which discuss subtype, sex distribution, clinical features and laboratory characteristics of autoimmune hepatitis in children. the aim of this study was both to define the clinical features, biochemical and histological findings and also to determine the age and sex related distribution of autoimmune hepatitis (aih). materials and method...

this study was an attempt to investigate the relationship between teachers' personality type (feeling vs. thinking) and speaking skill of pre- intermediate efl students in iranian context. twelve teachers and forty eight students from a local language institute participated in the study. the myers briggs type indicator (mbti), an instrument based on jung’s personality theory, was taken from tea...

this paper is a brief review of what has been carried out on the epidemiology of coetaneous leishmaniasis in mashad research station during the period 1964 through 1967. according to these studies; nine different foci of the disease exist in the province of khorassan. the disease is of urban type in the city of mashad and of rural type in sarakhs and lotfabad areas. the epidemiological type of ...

we derive whole series of new integral inequalities of the hardy-type, with non-conjugate exponents. first, we prove and discuss two equivalent general inequa-li-ties of such type, as well as their corresponding reverse inequalities. general results are then applied to special hardy-type kernel and power weights. also, some estimates of weight functions and constant factors are obtained. ...