نتایج جستجو برای: protective structures

تعداد نتایج: 567344  

Journal: :Revista de salud publica 2015
Ana I Molineri Marcelo L Signorini-Porchietto Héctor D Tarabla

OBJECTIVES a) To identify possible risk factors associated with rural accidents in women, b) to describe women's knowledge about zoonosis, c) to describe women's risk perception about farming, d) to describe mothers' risk perception about children's activities in rural settings, e) to estimate the initial age of exposure to the rural setting and its dangers, and f) to identify possible risk fac...

Journal: :Occupational medicine 2008
Fabrizio Giannandrea Laura Settimi Irene Figà Talamanca

AIM To determine the use of personal protective equipment (PPE) among pregnant greenhouse workers in Italy and to identify risk factors related to the non-use of appropriate preventive measures. METHODS A structured questionnaire was administered by trained interviewers, to Italian female greenhouse workers regarding their use of PPE and the occurrence of adverse pregnancy outcomes in their f...

Journal: :avicenna journal of phytomedicine 0
reza heidari department of biology, faculty of science, urmia university, urmia, i. r. iran vahid nejati department of biology, faculty of science, urmia university, urmia, i. r. iran minoo ilkhanipoor department of biology, faculty of science, urmia university, urmia, i. r. iran

objective: barberry root extract contains various alkaloids that are considered as antioxidants. beneficial effect of aqueous extract of berberis integerrima root (aebir) was evaluated for renal function in diabetic rats induced by stz. material and methods: diabetes was induced by i.p. injection of streptozotocin (65 mg/kg bw) to rats, after 15 h of fasting. diabetic rats were randomly grouped...

Journal: :iranian journal of immunology 0
fatemeh vahedi immunology research center, mashhad university of medical sciences, mashhad, iran naser taiebi meibody department of pathology, imam reza hospital, mashhad university of medical sciences, mashhad, iran mahdi kianizadeh razi vaccine and serum research institute, mashhad, iran mahmoud mahmoudi immunology research center, mashhad university of medical sciences, mashhad, iran

background: dna immunization with plasmid dna encoding bacterial, viral, parasitic and tumor antigens has been reported to trigger protective immunity. objective: to evaluate the use of a dna immunization strategy for protection against anthrax, a plasmid was constructed. methods: the partialsequence of protective antigen of bacillus anthracis, amino acids 175-764, as a potent immunogenic targe...

Journal: :health scope 0
ebrahim taban department of occupational health engineering, faculty of medical sciences, tarbiat modares university, tehran, ir iran mohsen yazdani aval department of occupational health engineering, faculty of medical sciences, tarbiat modares university, tehran, ir iran omran ahmadi department of occupational health engineering, faculty of medical sciences, tarbiat modares university, tehran, ir iran mohammad miri department of environmental health engineering, school of public health, sabzevar university of medical sciences, sabzevar, iran mohammad fereidan department of occupational health engineering, school of health, lorestan university of medical sciences, khorramabad, ir iran maryam rostami aghdam shendi department of occupational health engineering, faculty of medical sciences, tehran university, tehran, ir iran; department of occupational health engineering, faculty of medical sciences, tehran university, tehran, ir iran. tel: +98-9365494864

results the mean age and work experience of workers were 31.39 ± 5.6 and 4.35 ± 2.5 years, respectively. among the exposed-to-noise personnel, 7.35% used hpds constantly; 75% used hpds for only short periods of time (less than four hours) and 17.65% did not make use of them at all. regarding the sound intensity and the level of noise reduction of hpds, among the 112 workers who used such device...

Journal: :Geosciences 2022

Gravitational mass movements such as rockfalls, landslides, rock avalanches, or debris flows are increasingly endangering settlement areas and infrastructure facilities in the Alpine region a result of climate change. An essential component counteracting dangers events is construction suitable protective structures. However, dimensioning these structures requires in-depth knowledge impact proce...

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