نتایج جستجو برای: informalsector workers
تعداد نتایج: 113665 فیلتر نتایج به سال:
background and objectives: a number of different subtypes of avian influenza (ai) viruses have emerged in humans includingh5n1, h7n2, h7n7 and h9n2. these influenza viruses are excreted in the infected birds and in their respiratory secretions.the aim of this study was to investigate seropositivity against h9n2 and h7n7 viruses among poultry and slaughterhouse workers with occupational risk of ...
چکیده ندارد.
exposure to blood borne pathogens is considered as a common occupational hazard among health care workers all around the world. the aim of the current study was to investigate the factors associated with needle stick and sharp injuries among health care workers of an academic hospital. the current cross-sectional study of health care workers a teaching hospital designed based on a census sampli...
there have been much speculation and debate concerning the effect of electromagnetic fields (emf) on body systems. various reports have implicated excessive exposure to emf to certain forms of leukemia. it has also been reported that emf may cause alteration in the levels of certain macro- and micro-nutrients such as copper, zinc, selenium, calcium and iron. we have undertaken this study to det...
background: foundry workers are occupationally exposed to hazardous substances such as silica dusts and toxic gases. the aim of this study was to examine the effects of simultaneous exposure to complex mixtures of silica dust, formaldehyde, and triethylamine on lung function parameters. study design: a cross-sectional study. methods: this study was conducted on 55 male workers of core making un...
Forty three patients (42%) used agricultural chemicals as a method of suicide over nine and a half years (from Oct. 1981 to March 1991), and most cases were reported in June (agricultural activity) and December (year's end). The highest prevalence was inpatients in their fifties (34.9%). 58.1% of these patients who committed suicide were farmers or had no fixed occupation. Main precipitating fa...
This paper presents field-based classifications performed using the multi-resolution images of SPOT4 XS, SPOT5 XS, IKONOS XS, QuickBird XS, and QuickBird Pansharpaned (PS) covering an agricultural area located in Karacabey, Turkey. The objective was to assess the classification accuracies of different spatial resolution images in an agricultural land using the field-based classification techniq...
OBJECTIVES High microbial exposures in farmers and agricultural workers are associated with less atopy. Although it has been speculated that healthy worker survival could be an explanation, this has not been studied so far. Therefore, we investigated the presence of healthy worker survival in a five-year follow-up study of an occupational cohort of Dutch farmers and agricultural industry (compa...
A study was conducted to determine if nitrate sources in ground water (fertilizer on crops, fertilizer on golf courses, irrigation spray from hog (Sus scrofa) wastes, and leachate from poultry litter and septic systems) could be classified with 80% or greater success. Two statistical classification-tree models were devised from 48 water samples containing nitrate from five source categories. Mo...
BACKGROUND Fruit and vegetables have health and nutritional value, but can also be a source of toxic contaminants such as pesticide residues. OBJECTIVE The aim of this study was to evaluate presence of pesticide residues in fruit and vegetable crops from the central and eastern region of Poland in order to check the compliance of these products with the maximum residue levels' (MRLs) requirem...
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