نتایج جستجو برای: shift also

تعداد نتایج: 2493777  

ژورنال: دانشور پزشکی 2008
اسعدی, سیده‌نگار , امینیان, امید , شریفیان, سید اکبر ,

  Aim: The aim of this research was comparison of IHD’S risk factors between shift workers in automobile industries in Iran.   Materials & Methods : Knowledge of IHD risk factors and demographic data have gathered by using hygienistic files of workers, data had been analyzed with SPSS 11.5 and significance’s level (p value) was less than 0.05.   Results: The mean of HDL cholesterol in one-shift...

Background: Nowadays, shift work is a common work schedule. Shift work has been hypothesized as a risk factor for obesity. So, identifying the effective factors on obesity is of great importance. In the present research, we are going to study the effects of shift work on obesity among military personnel in 2016. Materials and Methods: This descriptive study was carried out on 80 man military a...

Journal: :تحقیقات نظام سلامت 0
فرحناز خواجه نصیری دانشجوی دکتری تخصصی، گروه بهداشت حرفه ای و محیط، دانشکده پزشکی، دانشگاه تربیت مدرس، تهران، ایران سید باقر مرتضوی دانشیار، گروه بهداشت حرفه ای و محیط، دانشکده پزشکی، دانشگاه تربیت مدرس، تهران، ایران عبدل امیر علامه استاد، گروه بیوشیمی، دانشکده پزشکی، دانشگاه تربیت مدرس، تهران، ایران شاهین آخوندزاده استاد، مرکز تحقیقات روان پزشکی بیمارستان روزبه، دانشکده پزشکی، دانشگاه علوم پزشکی تهران، تهران، ایران

background: in oil refinery plants, shift working is inevitable . shift work is associated with depression; therefore this prospective study was carried out in tehran shahid tondguyan oil refinery in order to determine the prevalence of depression in shift workers and to assess the effects of associated factors with depression among shift workers. in the present study, the shifting work system ...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 1988
reza islampour ali maghari

the electronic absorption spectral line shape of a diatomic molecule with harmonic potential curves is calculated using the time correlation function formalism. both the equilibrium shift and the frequency shift of the two linking electronic states ate taken into account. the spectrum is also calculated using the cumulated expansion which is related to the correlation function of the time-depen...

A Esmaeili , GH Hassanshahi , L Razi , R Vazirinejad ,

 Introduction: Controversies exist in publications about the association between shift work and hypertension. This study aimed to explore the relationship between shift work and the level of systolic and diastolic blood pressure as well as serum cholesterol among nurses in Kerman province, Southeast, Iran.   Materials and Methods : In this historical cohort study 100 hospital nurse...

ژورنال: سلامت کار ایران 2010
جهانگیری , مهدی, خواجی, سلیمان, سلطان زاده, احمد, طباطبایی, سید حمیدرضا, چوبینه , علیرضا,

Background and aimsShift work is a major feature of working life that affects diverse aspects of human life. The main purposes of this study were to investigate shift work-related health problems and their risk factors among workers of "12-hour shift" schedule.MethodsThis cross-sectional study was carried out at 8 petrochemical industries in Asalooyeh area. Study population consisted of 1203 wo...

Influence of Aluminum, Gallium, Indium- Doping on the Boron-Nitride Nanotubes (BNNTs) investigated with density functional theory (DFT) and Hartreefock (HF) methods. For this purpose, the chemical shift of difference atomic nucleus was studied using the gauge included atomic orbital (GIAO) approch. In the following, structural parameter values, electrostatic potential, thermodynamic parameters,...

Journal: :journal of physical & theoretical chemistry 2011
m. monajjemi m. sheikhi

in this research, the magnetite nanoparticles (fe304) were prepared by coprecipitation of fe- andginger is a well known spice and flavoring agent which has also been used in traditional medicine inmany countries. ginger contains essential oils including gingerol and zingiberene. it also containspungent principles such as zingerone, and shogaol. in the paper six theoretical methods were used toc...

Journal: :journal of advances in computer research 2010
a. darvishi

in many signal processing applications, an appropriate measure to comparetwo signals plays a fundamental role in both implementing the algorithm andevaluating its performance. several techniques have been introduced in literature assimilarity measures. however, the existing measures are often either impractical forsome applications or they have unsatisfactory results in some other applications....

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