نتایج جستجو برای: 21 hours are more risky
تعداد نتایج: 6057563 فیلتر نتایج به سال:
OBJECTIVE To quantify the association between long working hours and alcohol use. DESIGN Systematic review and meta-analysis of published studies and unpublished individual participant data. DATA SOURCES A systematic search of PubMed and Embase databases in April 2014 for published studies, supplemented with manual searches. Unpublished individual participant data were obtained from 27 addi...
assigning premium to the insurance contract in iran mostly has based on some old rules have been authorized by government, in such a situation predicting premium by analyzing database and it’s characteristics will be definitely such a big mistake. therefore the most beneficial information one can gathered from these data is the amount of loss happens during one contract to predicting insurance ...
according to coates’s (2004, as cited in zhang, 2010) definition of "conversational dominance" (p.111), it refers to the phenomenon of a speaker dominating others in interaction. specifically, it means how a speaker makes use of certain strategies to get the floor and maintain the floor. thus, the amount of talk is the main measurement for the dominance of the conversation. whether a speaker do...
nothing affects learners more than assessment, so it is important to involve them in assessment process. involvment of learners in assessment helps them to become autonoumos learners. despite this importance iranian learners specialy javanroodian ones are not activily involved in the process. hence the aim of this thesis is to invesrtigate thier ability in th eassessment process
environmental impacts, pollutants, occupational stresses, population density, and health and safety problems are side effects of rapid urbanization. these problems threaten human being, especially children as the prominent vulnerable group in every human settlement. in this article playground as one of the main urban spaces has been emphasized. safety ignorance can affect on community in both o...
A cross-sectional study with children's and parents' self-completed questionnaires was carried out to evaluate parents' ideas on children's risk-takjng behaviours and children's risky activities after school hours by age (7 and 9 years) and sex. Nine elementary schools were randomly selected and 476 pupHs aged seven and nine years and 471 parents were studied. Most parents (90.1 %) believed tha...
abstract global financial crisis has created too many problems in relations among governments. among these problems, the issue of global monetary management, more than every time in the past four decades, has been moved in the center of international economic attentions. a problem which is specially known with the monetary hostility between united states and public republic of china. where ar...
abstract type-ii fuzzy logic has shown its superiority over traditional fuzzy logic when dealing with uncertainty. type-ii fuzzy logic controllers are however newer and more promising approaches that have been recently applied to various fields due to their significant contribution especially when the noise (as an important instance of uncertainty) emerges. during the design of type- i fuz...
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