نتایج جستجو برای: acid factory workers
تعداد نتایج: 868690 فیلتر نتایج به سال:
Background and purpose: Proactive indicators for occupational health and safety (OHS) can provide necessary information about the potential causes of accidents and the effectiveness of occupational safety and health management systems based on simultaneous examining of work environment, working conditions, and workers' behavior. The present study aimed at assessing safety status in a pottery fa...
All the 303 full time day workers in a carpet weaving factory were submitted to a physical examination, chest radiography, and vitalograph test, and answered a respiratory questionnaire. Fifty four healthy non-exposed subjects served as controls. Dust concentrations and concentrations of bacterial endotoxin were measured. Of the 303 workers, 259 (85.5%) had airway symptoms and 62 (20.5%) had ma...
The Front Cover illustrates a green factory where furfuryl alcohol is happily converted to high valued angelica lactones and levulinic acid as it passes through the NbOPO4 “catalyst gate” while sadly unspoiled on Nb2O5 in rainy wet day. In their Research Article, M. A. Fraga co-workers show that hydrolysis occurs Brønsted sites strength critical process. Mixtures of organic solvent water hinder...
Introduction: With regard to high prevalence of musculoskeletal disorders in the construction industry workers, the aim of this study was to investigate the prevalence of musculoskeletal disorders and their relevant risk factors in workers of a construction factory. Methods: This descriptive-analytical cross-sectional study was conducted in 2019. In this regard, 150 workers were selected from ...
We reported recently that 1-bromopropane (1-BP; n-propylbromide, CAS Registry no. 106-94-5), an alternative to ozone-depleting solvents, is neurotoxic and exhibits reproductive toxicity in rats. The four most recent case reports suggested possible neurotoxicity of 1-BP in workers. The aim of the present study was to establish the neurologic effects of 1-BP in workers and examine the relationshi...
Two groups of men of different age ranges and with the same period of lead exposure were selected for study in a recently opened car-battery factory. Two other groups of age-matched men, not exposed to heavy metals in their work, were used as controls. Morning urines were collected from control and exposed groups for determination of urinary kallikrein activity, urinary delta-amino-levulinic ac...
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