نتایج جستجو برای: peak frequency shift to lower frequencies2
تعداد نتایج: 10799248 فیلتر نتایج به سال:
Abstract Background: Many workers in different jobs work in shift schedules. Health care workers, especially nurses are a working group which according to the job nature always have shift work. Shift work causes different physical and mental diseases, including depression. Materials and Methods: In a cross-sectional study, 110 nurses working in SSU hospitals were surveyed in two groups: shif...
study of cohesive devices in the textbook of english for the students of apsychology by rastegarpour
this study investigates the cohesive devices used in the textbook of english for the students of psychology. the research questions and hypotheses in the present study are based on what frequency and distribution of grammatical and lexical cohesive devices are. then, to answer the questions all grammatical and lexical cohesive devices in reading comprehension passages from 6 units of 21units th...
it is definitely necessary to understand the concept and behavior of causation of life insurance policies and its determinants for insurance managers, regulators, and customers. for insurance managers, the profitability and liquidity of insurers can be increasingly influenced by the number of causation through costs, adverse selection, and cash surrender values. therefore, causation is a materi...
background :despite the presence of many textile and dyeing plants in iran, we couldn’t find similar studies in this country. forthermore, considering progress in the dyeing process and engineering controls, assessment of respiratory system is important for these workers. the present study was performed to evaluate the respiratory system in dyeing workers. methods : in a cross-sectional study...
the purpose of this two-phase, sequential mixed methods study was to find out whether there were any decencies between male and female ma students’ theses regarding the common features of academic writing such as syntactic complexity, means of integrating cited information, and organizing arguments. i chose 10 male written theses and 15 female written theses in tefl and linguistics. in the firs...
The structure of the inertial peak in deep ocean kinetic energy spectra is studied here. Records were obtained from Polymode arrays deployed in the Western North Atlantic Ocean (4 00W to 70 0 W, 15 0 N to 42oN). The results are interpreted both in terms of local sources and of turning point effects on internal waves generated at lower latitudes. In most of the data, there is a prominent inertia...
a bstract background: some health problems are more prevalent in shift workers than day workers. musculoskeletal disorders are considered as one of the most common health-related problems that can cause disability among health care workers. the aim of this study was to assess the associations between shift working and the prevalence of musculoskeletal symptoms (mss) among nursing personnel. mat...
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