منابع مشابه
Feasibility of cohort studies in Estonia.
OBJECTIVES To describe the methodology and feasibility of follow up for vital status in retrospective cohort studies in Estonia. METHODS A cohort of 7412 workers who had been employed at two factories in Tallinn between 1946 and 1988 was followed up for vital status from the date of first employment until death, emigration, or the end of the study, 31 December 1995, whichever occurred first. ...
متن کاملEpidemiological studies on animal and human trichinellosis in Estonia.
From 1992 to 1999, muscle samples from 814 sylvatic animals and 1,173 domestic and synanthropic animals were collected in 15 districts of Estonia; the prevalence of trichinellosis ranged from 1.0% to 79.4% for sylvatic animals and from 0.6% to 24.5% for domestic or synanthropic animals and for animals from fur-bearing farms. The most important reservoirs of Trichinella in nature were the raccoo...
متن کاملThe Feasibility and Applicability of Grounded Theory Methodology in Translation Studies: Developing Translator Competence
The development of sociological approach to the study of translation makes it possible for the researchers to adopt different methodology to develop new theoretical formulations and concepts. These formulations are arrived at through the interaction with those being studied through the interpretation of real social world and meanings of the participants involved in the translation/social event....
متن کاملpostnatal studies of bats (pipistrellus kuhlii and miniopterus schreibersii) & histomorphology and histochemistry studies of organs and diseases of (neurergus microspilotus and n. kaiseri)
1. to determine whether difference in birth body mass influenced growth performance in pipistrellus kuhlii we studied a total of 12 captive-born neonates. bats were assigned to two body mass groups: light birth body mass (lbw: 0.89 ± 0.05, n=8) and heavy birth body mass (hbw: 1.35 ± 0.08, n=4). heavier body mass at birth was associated with rapid postnatal growth (body mass and forearm length) ...
simulation and experimental studies for prediction mineral scale formation in oil field during mixing of injection and formation water
abstract: mineral scaling in oil and gas production equipment is one of the most important problem that occurs while water injection and it has been recognized to be a major operational problem. the incompatibility between injected and formation waters may result in inorganic scale precipitation in the equipment and reservoir and then reduction of oil production rate and water injection rate. ...
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ژورنال
عنوان ژورنال: Occupational and Environmental Medicine
سال: 1999
ISSN: 1351-0711
DOI: 10.1136/oem.56.7.499