نتایج جستجو برای: borotropic shift

تعداد نتایج: 136756  

1995
Andrew Klapper Mark Goresky

Recently, a new class of feedback shift registers (FCSRs) was introduced, based on algebra over the 2-adic numbers. The sequences generated by these registers have many algebraic properties similar to those generated by linear feedback shift registers. However, it appears to be significantly more difficult to find maximal period FCSR sequences. In this paper we exhibit a technique for easily fi...

ژورنال: سلامت کار ایران 2013
رحیمی پردنجانی, طیبه, محمدزاده ابراهیمی, علی ,

  Background and Aim : The aim of the present study was to examine the personality variables of morning-type, rigidity, neuroticism , extroversion, openness, agreeableness and conscientiousness as predictors of shift work tolerance in an industrial company in Ahvaz.   Methods: The sample consisted of 245 shift workers which were selected by the use of stratified random sampling. At first the pa...

امینی, مائده, حسن زاده, هرمز, زایری, فرید,

Background and Objectives: Shift work as a pervasive phenomenon in various industrial sectors is one of the most stressful factors in the workplace. Considering the contradictory reports on the relationship of shift work and hypertension, the main objective of the present study was to investigate the relationship between these two variables among petrochemical industry staff of Mahshahr, Iran. ...

ژورنال: طب کار 2022

Introduction: Shift work is one of the social phenomena that has its roots in the history of human origin and still exists today for economic and technological reasons. Due to the complications of shift work, the present study was conducted to investigate job fatigue, quality of life, and sleep of shift staff working in Ilam Electric Distribution Company. Materials and Methods: In this descrip...

Journal: :international journal of occupational hygiene 0
masoud shafiee motlagh department of occupational hygiene, school of public health and student research center, hamadan university of medical sciences, hamadan, iran majid motamedzade department of ergonomics, school of public health and research center for health sciences, hamadan university of medical sciences, hamadan, iran neda mahdavi department of ergonomics, school of public health and research center for health sciences, hamadan university of medical sciences, hamadan, iran abdolmajid garkaz department of occupational hygiene, school of public health and student research center, hamadan university of medical sciences, hamadan, iran ali reza soltanian modeling of no communicable diseases research center, department of biostatistics and epidemiology, school of public health, hamadan university of medical sciences, hamadan, iran

original article   shift work is a common work schedule that has several inappropriate consequences, the most important of which is fatigue. the aim of this study was to invest gate the impact of the shift length on the occupatio al fatigue of operators in filling stations. this cross-sectional study was carried out on operators of the filling station in national iranian oil products distributi...

ژورنال: ارگونومی 2014
ارقامی, شیرازه, ظهیریان, قاسم, قنبری راد, حمید,

Background & Objectives: Shiftwork is a social phenomenon that can have adverse effects on human life. Given the importance of the shiftwork system and caused by the related health problems, the present study was conducted to determine the health status of and shift workers in a hospital. Methods: This cross-sectional study was conducted in one of the hospitals in Razan (Iran). The sample siz...

ژورنال: Journal of Research and Health 2014

The purpose of this study was to investigate job stress, stressful life events and coping styles among shift and non-shift workers. The present study was a comparative study. The Statistical population consisted of all workers in an industrial company in Isfahan. A sample 90 workers (45 shift workers and 45 non-shift workers) were selected via simple random sampling. Data was collected through ...

ژورنال: سلامت کار ایران 2011
جهانگیری, مهدی, خواجی, سلیمان, سلطان زاده, احمد, طباطبایی, سید حمیدرضا, چوبینه, علیرضا,

  Background and aims Shiftwork that affects diverse aspects of human life is arranged in various schedules, each has its own advantages and disadvantages. This study was carried out with the objectives of determination of common 12-hour shift schedules in petrochemical plants, comparison of shift work health-related problems among employees working in different shift schedules and recommendati...

ژورنال: پرستاری کودکان 2021

Introduction: considering the difference of researches’ results of negative effects of shift work scheduels of nurses on their family members, especially the kids, the purpose of this study is to compare behavioral problems of nurseschr('39') kids working in Ayat Allah Kashani Educational Treatment Center in Isfahan based on shift work in 2018. Method: this study is a comparative descriptive re...

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