نتایج جستجو برای: permit to work system

تعداد نتایج: 11164505  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سمنان - دانشکده ادبیات و علوم انسانی 1393

from its emergence till present time marxist principles has undergone great changes since their promulgation by marx. many theorists and thinkers set at rectifying marxist tenets and introducing those of their own while others advocated its main concepts and attempted at improving them. among marxist philosophers who had an intensive study of marxs ideology, is louis althusser whose reflections...

Journal: :Journal of Environmental Economics and Management 2019

Habib Allah Rezapour , Iraj Mohammadfam, Mohammad Sadegh Sohrabi , Mohsen Hesami Arani , Samaneh Mohseni ,

Introduction: The effects of accidents vary from minor injuries to fatalities and from insignificant damage to severe damage to the environment and property. In order to prevent accidents in the work place, the root causes of and events should be identified using a systematic method and the results should be published. The current study aims to investigate the given causes of an accident in ord...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1392

just as motivation is important in sla research, demotivation constitutes an important factor, too. there are many studies done on demotivation and burnout of teachers. many of these studies have been conducted on one or two aspects of english instruction. consequently, there are few studies which have been done on more than two aspects of english teaching. the aim of this study is to find out ...

Journal: :مجله بهداشت محیط و توسعه پایدار 0
iraj mohammadfam professor. department of occupational health engineering, school of public health and research center for health sciences, hamadan university of medical sciences, hamadan, iran. samaneh mohseni msc. university of tehran, tehran, iran. mohammad sadegh sohrabi msc, department of industrial design, school of architecture and urban design, art university of isfahan, isfahan, iran. mohsen hesamiarani msc. environmental health engineering, kavir steel complex, aranbidgol, iran. habib allah rezapour msc. occupational health engineering, hamadan university of medical sciences, hamadan, iran.

introduction: the effects of accidents vary from minor injuries to fatalities and from insignificant damage to very severe damage to the environment and property. in order to prevent accidents in the work place, the root causes of and events should be identified using a systematic method and the results should be published. the current study aims to investigate the given causes of an accident i...

پایان نامه :0 1391

employees always concern about losing their job , or in other word , losing their income resources. for this purpose, every government requires strong system for covering these concerns. the unemployment insurance (ui) program’s can be used for achieving this goal. in this thesis, we price ui based on the insurance history of employee and the duration of being unemployed. we use the weibull dis...

Journal: :Behavior Research Methods & Instrumentation 1972

Journal: :Proceedings of the National Academy of Sciences 1993

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