نتایج جستجو برای: exposure assessment

تعداد نتایج: 847241  

Journal: :American journal of epidemiology 1996
L Fritschi J Siemiatycki L Richardson

While self-response to a checklist of substances may be a convenient and inexpensive method for obtaining information on occupational exposure, the validity of such information has not been evaluated. The objective of this report is to provide some evidence concerning validity of self-reported occupational exposures. In the context of a large case-control study, it was possible to compare self-...

Journal: :international journal of occupational and environment medicine 0
s siripanich college of public health science, chulalongkorn university, bangkok, thailand w siriwong college of public health science, chulalongkorn university, bangkok, thailand p keawrueang college of public health science, chulalongkorn university, bangkok, thailand m borjan school of environmental and biological sciences, rutgers university, new brunswick, nj, usa m robson umdnj school of public health, piscataway, nj, usa

background: incense and joss stick are generally used in the world. most products were made in small household factories. there are many environmental and occupational hazards in these factories. objective: to evaluate the workplace environmental and occupational hazards in small household incense and joss stick factories in roi-et, thailand. methods: nine small household factories in rural are...

Journal: :international journal of occupational and environment medicine 0
a behroozy department of occupational hygiene, school of paramedicine and public health, zanjan university of medical sciences, zanjan, iran

hazardous chemicals may enter the body by inhalation, ingestion, injection or dermal absorption. these exposure routes constitute the overall exposure burden on the body. most occupational exposure studies have focused on measurement of the concentration of air-borne contaminants and other possible routes of exposure are often overlooked. several studies have already highlighted the importance ...

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

learning-oriented assessment seeks to emphasise that a fundamental purpose of assessment should be to promote learning. it mirrors formative assessment and assessment for learning processes. it can be defined as actions undertaken by teachers and / or students, which provide feedback for the improvement of teaching and learning. it also contrasts with equally important measurement-focused appro...

Aghaei , M, Yunesian, M*,

Background & objectives: Because of human exposure to various environmental risk factors during the lifetime, the actual exposure estimation has been considered as one of the most important challenges for researchers and decision makers. Considering the contribution of environmental risk factors in the burden of diseases, this study aimed to provide new approaches in exposure assessment filed b...

ژورنال: طب کار 2019

Introduction: Occupational Dermal exposure to Antineoplastic Drugs is the one of the most important routes in Healthcare staffs. Several antineoplastic drugs have been classified as carcinogens by the International Agency for Research on Cancer (IARC). Regards to this issue investigation on Dermal exposure to Antineplastic Drugs in healthcare staffs is nessessary. Method: In this Descriptive a...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اصفهان - دانشکده زبانهای خارجی 1389

this study was conducted to investigate the impact of portfolio assessment as a process-oriented assessment mechanism on iranian efl students’ english writing and its subskills of focus, elaboration, organization, conventions, and vocabulary. out of ninety juniors majoring in english literature and translation at the university of isfahan, sixty one of them who were at the same level of writing...

پایان نامه :موسسه آموزش عالی غیر دولتی و غیرانتفاعی علامه محدث نوری (ره) - پژوهشکده اقتصاد 1393

dynamic assessment according to vygotskys sociocultural theory, states that instruction and assessment are interrelated. using static forms of assessment with second and foreign language students could do more harm than good. many teachers neglect to take account of the complexity involved in learning a second or foreign language and often wonder why learning of a language take so long. thi...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه کاشان - دانشکده ادبیات و زبانهای خارجی 1392

abstract this study aimed at investigating the possible relationship between self-assessment in writing and self-regulation of iranian efl learners. the main purpose of the study was not only to report and inform about this relationship, but also to investigate and find practical outcomes of the incorporation of self-assessment in writing, such as improving writing skill. the research was carr...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده ادبیات 1391

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

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